Journal articles on the topic 'Fang she yi xue'

Abstract Though docetaxel plus cisplatin and 5-fluorouracil (TPF) induction chemotherapy becomes the standard care for locoregionally advanced nasopharyngeal carcinoma (NPC), some patients could not benefit from this therapy. The underlying mechanisms remain unclear. We found that DCAF7 was highly expressed in TPF resistant NPC patients, and promoted the cisplatin resistance and metastasis of NPC cells. Mechanistically, DCAF7 facilitates the interaction between USP10 and G3BP1, resulting in the removal of K48-linked ubiquitylation of G3BP1 at Lys76 mediated by USP10, thus preventing the degradation of G3BP1 through ubiquitin-proteasome pathway, and facilitates the stress granule (SG)-like structures formation. Moreover, knockdown of G3BP1 successfully reversed the SG-like structures formation and oncogenic effects exerted by DCAF7. Importantly, NPC patients with elevated DCAF7 expression exhibited high risks of metastasis, and is associated with a poor prognosis. This study identifies DCAF7 as a pivotal cisplatin resistance gene, and sheds light on the underlying mechanism of TPF resistance in NPC patients. The DCAF7-USP10-G3BP1 axis provides potential therapeutic targets and biomarker for NPC treatment. Citation Format: Qing-Jie Li, Xue-Liang Fang, Ying-Qin Li, Jia-Yi Lin, Cheng-Long Huang, Shi-Wei He, Sheng-Yan Huang, Jun-Yan Li, Sha Gong, Kai-Lin Chen, Na Liu, Jun Ma, Yin Zhao, Ling-Long Tang. DCAF7 acts as a scaffold to recruit USP10 for G3BP1 deubiquitylation and facilitates chemoresistance and metastasis in nasopharyngeal carcinoma [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2024; Part 1 (Regular Abstracts); 2024 Apr 5-10; San Diego, CA. Philadelphia (PA): AACR; Cancer Res 2024;84(6_Suppl):Abstract nr 1999.

Abstract Radiotherapy is the main and preferred treatment for nasopharyngeal carcinoma (NPC), owing to its high sensitivity to radiation. However, there are ~20% patients suffering from tumor recurrence. Accumulating evidences show that protein ubiquitination plays a vital role in radiation caused DNA damage response. Here, we identified that the deubiquitinase USP18 is highly expressed in NPC tissues, and inversely associated with radiosensitivity of NPC cells. USP18 interacts with TRIM29 and promotes its K27-linked ubiquitination independent of its deubiquitinase activity. Further investigation reveals that USP18 acts as a scaffold to recruit the E3 ubiquitin ligase TRIM21 to directly ubiquitinate TRIM29 at Lys307, thus promoting its oligomerization and nuclear translocation, and thereby facilitates the DNA damage repair of NPC cells after irradiation. Clinically, higher expression of USP18 indicates poor response to radiotherapy and worse prognosis in NPC patients. Our findings reveal the critical role of USP18 in regulating radiosensitivity, and targeting USP18-TRIM21-TRIM29 axis maybe a novel strategy to synergize with radiotherapy for NPC patients. Citation Format: Jia-Yi Lin, Wei-Wei Zhang, Qing-Jie Li, Xue-Liang Fang, Jun-Yan Li, Shi-Wei He, Ying-Qin Li, Jun Ma, Na Liu, Yin Zhao, Rui Guo. USP18 impairs the sensitivity of radiotherapy for nasopharyngeal carcinoma by promoting the ubiquitination and nuclear translocation of TRIM29 [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2024; Part 1 (Regular Abstracts); 2024 Apr 5-10; San Diego, CA. Philadelphia (PA): AACR; Cancer Res 2024;84(6_Suppl):Abstract nr 1113.

Introdução: Lesões endoperiodontais são lesões originadas de produtos inflamatórios encontrados tanto em periodonto quanto em polpa. Tais lesões podem se originar devido a uma infecção pulpar ou periodontal. Visando o prognóstico favorável, é imprescindível o conhecimento da etiologia, realização do correto diagnóstico e elaboração do plano de tratamento que envolve o tratamento endodôntico precedido do tratamento periodontal. Objetivo: O propósito do presente trabalho foi de relatar um caso clínico de lesão endoperiodontal e o tratamento realizado. Relato de caso clínico: Paciente gênero feminino, 51 anos, compareceu à clínica com uma fístula na região do dente 46, procedeu-se com exame radiográfico, rastreamento de fístula, testes endodônticos e avaliação periodontal. Foi diagnosticada lesão endoperiodontal. Executou-se, então, o tratamento endodôntico em sessões múltiplas, utilizando hidróxido de cálcio como medicação intracanal e o tratamento periodontal concomitante; finalizou-se endodontia obturando-se os canais radiculares. Conclusão: Observou-se, no controle, que a associação de tratamentos foi eficaz e houve melhora significativa do quadro, constatando-se silêncio clínico e sucesso do tratamento. Realizar o tratamento conservador a despeito da exodontia foi a melhor escolha para a paciente. Descritores: Endodontia; Periodontia; Polpa Dentária; Periodonto. Referências Sunitha VR, Emmadi P, Namasivayam A, Thyegarajan R, Rajaraman V. The periodontal - endodontic continuum A review. J Conserv Dent. 2008;11(2):54-62. Betancourt P, Elgueta R, Fuentes R. Treatment of endo-periodontal lesion using leukocyte-platelet-rich fibrin - a case report. Colomb Med. 2017;48(4):204-7. Lopes HP, Siqueira JF. Endodontia: Biologia e Técnica. Rio de Janeiro: Medsi-Guanabara Koogan; 2015. Lindhe J, Karring T, Lang NP. Tratado de periodontia clínica e implantologia oral. Rio de Janeiro: Guanabara Koogan; 2010. Anand V, Govila V, Gulati M. Endo-perio lesion part II (the treatment) - a review. 2012;3(1):10-6. Rotstein I, Simon JH. Diagnosis, prognosis and decision-making in the treatment of combined periodontal-endodontic lesions. J Periodontol. 2004;34:165-203. Parolia A, Gait TC, Porto ICCM, Mala K. Endo-perio lesion: a dilemma from 19th until 21st century. J Interdisp Dent. 2013;3(1):2-11. Kim E, Song JS, Jung IY, Lee SJ, Kim S. Prospective clinical study evaluating endodontic microsurgery outcomes for cases with lesions of endodontic origin compared with cases with lesions of combined periodontal-endodontic origin. J Endod. 2008;34(5):546-51. Heasman PA. An endodontic conundrum: the association between pulpal infection and periodontal disease. Br Dent J. 2014;216(6):275-9. Schmidt JC, Walter C, Amato M, Weiger R. Treatment of periodontal-endodontic lesions--a systematic review. J Clin Periodontol. 2014; 41(8):779-90. Jivoinovici R, Suciu I, Dimitriu B, Perlea P, Bartok R, Malita M, Ionescu C. Endo-periodontal lesion--endodontic approach. J Med Life. 2014;7(4):542-44. Estrela C. Endodontia laboratorial e clínica, Série Abeno: Odontologia Essencial - Parte Clínica. São Paulo: Artes Médicas; 2013. Vera J, Siqueira JF Jr, Ricucci D, Loghin S, Fernández N, Flores B et al. One-versus two-visit endodontic treatment of teeth with apical periodontitis: a histobacteriologic study. J Endod. 2012;38(8):1040-52. Mohammadi Z, Dummer PMH. Properties and applications of calcium hydroxide in endodontics and dental traumatology. Inter Endod J. 2011;44(8):697-730. Batista VES, Olian DA, Mori GG. Diffusion of hydroxyl ions from calcium hydroxide and aloe vera pastes. Braz Dent J. 2014;25(3):212-16. Pereira TC, da Silva Munhoz Vasconcelos LR, Graeff MSZ, Ribeiro MCM, Duarte MAH, de Andrade FB. Intratubular decontamination ability and physicochemical properties of calcium hydroxidepastes. Clin Oral Investig. 2019;23(3):1253-62. Andolfatto C, da Silva GF, Cornélio AL, Guerreiro-Tanomaru JM, Tanomaru-Filho M, Faria G, Bonetti-Filho I, Cerri PS. Biocompatibility of intracanal medications based on calcium hydroxide. ISRN Dent. 2012;2012:904963. Duque TM, Prado M, Herrera DR, Gomes BPFA. Periodontal and endodontic infectious/inflammatory profile in primary periodontal lesions with secondary endodontic involvement after a calcium hydroxide-based intracanal medication. Clin Oral Investig. 2019;23(1):53-63. Kim D, Kim E. Antimicrobial effect of calcium hydroxide as an intracanal medicament in root canal treatment: a literature review - Part I. In vitro studies. Restor Dent Endod. 2014; 39(4):241-52. Adl A, Motamedifar M, Shams MS, Mirzaie A. Clinical investigation of the effect of calcium hydroxide intracanal dressing on bacterial lipopolysaccharide reduction from infected root canals. Aust Endod J. 2015;41(1):12-6. Hilton TJ, Ferracane JL, Mancl L; Northwest Practice-based Research Collaborative in Evidence-based Dentistry (NWP). Comparison of CaOH with MTA for direct pulp capping: a PBRN randomized clinical trial. J Dent Res. 2013;92(7 Suppl):16S-22S. Labban N, Yassen GH, Windsor LJ, Platt JA. The direct cytotoxic effects of medicaments used in endodontic regeneration on human dental pulp cells. Dent Traumatol. 2014;30(6):429-34. McIntyre PW, Wu JL, Kolte R, Zhang R, Gregory RL, Bruzzaniti A, Yassen GH. The antimicrobial properties, cytotoxicity, and differentiation potential of double antibiotic intracanal medicaments loaded into hydrogel system. Clin Oral Investig. 2019;23(3):1051-59. Bergenholtz, G., Hasselgren, G. Endodontics and periodontics. In: Lindhe, K., Karring, T., Lang, N. Clinical periodontology and implant dentistry. Copenhagen:Munksgaard; 2015. Harrington GW, Steiner DR, Ammons WF. The periodontal-endodontic controversy. Periodontol 2000. 2002;30:123-30. Fernandes LA, Martins TM, Almeida JM, Nagata MJ, Theodoro LH, Garcia VG, Bosco AF. Experimental periodontal disease treatment by subgingival irrigation with tetracycline hydrochloride in rats. J Appl Oral Sci. 2010;18(6):635-40. Storrer CM, Bordin GM, Pereira TT. How to diagnose and treat periodontal endodontic lesions? 2012;9(4):427-33. Verma PK, Srivastava R, Gupta KK, Srivastava A. Combined endodontic periodontal lesions: A clinical dilema. J Interdiscip Dent. 2011;1(2):119-24. Oh SL, Fouad AF, Park SH. Treatment strategy for guided tissue regeneration in combined endodontic-periodontal lesions: case report and review. J Endod. 2009;35(10):1331-36. Malli R, Lele P, Vishakha. Guided tissue regeneration in communicating periodontal and endodontic lesions - a hope for the hopeless. J Indian Soc Periodontol. 2011;15(4):410-13. Ghezzi C, Virzì M, Schupbach P, Broccaioli A, Simion M. Treatment of combined endodontic-periodontic lesions using guided tissue regeneration: clinical case and histology. Int J Periodontics Restorative Dent. 2012;32(4):433-9. Sun J, Liu Q. [Bio-Oss collagen bone grafting in the treatment of endodontic-periodontic lesion]. Nan Fang Yi Ke Da Xue Xue Bao. 2009;29(9):1905-6. Sharma R, Hegde V, Siddharth M, Hegde R, Manchanda G, Agarwal P. Endodontic-periodontal microsurgery for combined endodontic-periodontal lesions: An overview. J Conserv Dent. 2014;17(6):510-16. Li Y, Wang X, Xu J, Zhou X, Xie K. [The clinical study on the use of diode laser irradiation in the treatment of periodontal-endodontic combined lesions]. Hua Xi Kou Qiang Yi Xue Za Zhi. 2012;30(2):161-64, 168. Narang S, Narang A, Gupta R. A sequential approach in treatment of perio-endo lesion. J Indian Soc Periodontol. 2011;15(2):177-80. Pereira AL, Orzechowski PR, Filho SB, Cortelli JR. Subepithelial connective tissue graft: an alternative application for treating endoperiodontal lesions. Gen Dent. 2013;61(2):50-3. Yoneda M, Motooka N, Naito T, Maeda K, Hirofuji T. Resolution of furcation bone loss after non-surgical root canal treatment: application of a peptidase-detection kit for treatment of type I endoperiodontal lesion. J Oral Sci. 2005; 47(3):143-47. Shenoy N, Shenoy A. Endo-perio lesions: diagnosis and clinical considerations. Indian J Dent Res. 2010;21(4):579-85. Gerritsen AE, Allen PF, Witter DJ, Bronkhorst EM, Creugers NH. Tooth loss and oral health-related quality of life: a systematic review and meta-analysis. Health Qual Life Outcomes. 2010;8:126.

The need for clean and sustainable energy sources has witnessed a sudden upsurge in recent years owing to rising environmental degradation and climate disruption brought on by an overdependence on fossil fuels [1-3]. Electrochemical energy conversion technology is a crucial complement to the storage and on-demand utilization of renewable energy resources [4-6]. Rechargeable aqueous zinc ion batteries (AZIBs) have gained a significant research upsurge in recent times owing to their attractive potential for large-scale energy storage applications. In addition to low cost and naturally abundant raw materials, AZIBs technology offers competitive electrochemical performance and compatibility with water-based electrolyte systems, thereby eliminating the safety concerns associated with prevalent lithium-based battery technology. Moreover, multivalent AZIBs offer the opportunity to attain high energy and power density by permitting multiple electron transfers during reversible electrochemical operations [7]. In the context of AZIBs, significant research efforts are being actively pursued to develop high energy density cathode materials and to address the issue of Zn dendrite formation [8]. However, the selection of stable and low-cost current collectors is equally important as it serves as a bridge between the battery components and the external circuit, thereby influencing the battery capacity and its rate capability [9-10]. In this work, we have analyzed the electrochemical behavior of potential current collectors that are used globally in battery applications, namely Ni, Al, carbon paper, Cu mesh, graphite, and stainless steel in near-neutral aqueous ZnSO4 electrolyte (pH value = 5-6). The electrochemical stability of different current collectors has been investigated using linear sweep voltammetry and chronoamperometry techniques for their application as anode and cathode collectors. Scanning electron microscopy analysis has also been performed to understand the sign of corrosion post-electrochemical study. With stability up to 2.3 V w.r.t. Zn/Zn2+, Ni has proved to be the most corrosion-resistant current collector among the tested collectors on the cathode side. Although Zn itself is sufficiently stable at the anode side than any other current collector under the ZnSO4 electrolyte environment, Ni has shown considerable stability. Nonetheless, understanding the electrochemical stability of current collectors for AZIBs is a vital step in their design and future practical applications. References [1] Anand, Abhas, and Amitabh Shankar. "Study of Coal Cake Bulk Density and Its Shear Strength for Stamp Charging Coke Making Technique at Tata Steel." Coke and Chemistry 64, no. 7 (2021): 311-321. [2] Mukherjee, Subhrajit, Soumendu Boral, Hammad Siddiqi, Asmita Mishra, and Bhim Charan Meikap. "Present cum future of SARS-CoV-2 virus and its associated control of virus-laden air pollutants leading to potential environmental threat–A global review." Journal of Environmental Chemical Engineering 9, no. 2 (2021): 104973. [3] Singh, Manish Kr, Jayashree Pati, Deepak Seth, Jagdees Prasad, Manish Agarwal, M. Ali Haider, Jeng-Kuei Chang, and Rajendra S. Dhaka. "Diffusion mechanism and electrochemical investigation of 1T phase Al-MoS2@ rGO nano-composite as a high-performance anode for sodium-ion batteries." Chemical Engineering Journal (2022): 140140. [4] Dixit, Ram Ji, Kaustava Bhattacharyya, Vijay K. Ramani, and Suddhasatwa Basu. "Electrocatalytic hydrogenation of furfural using non-noble-metal electrocatalysts in alkaline medium." Green Chemistry 23, no. 11 (2021): 4201-4212. [5] Dixit, Ram Ji, and C. B. Majumder. "CO2 capture and electro-conversion into valuable organic products: A batch and continuous study." Journal of CO2 Utilization 26 (2018): 80-92. [6] Tiwari, Pankaj Kr, and Suddhasatwa Basu. "Testing of 5x5 cm2 Solid Oxide Fuel Cell in Direct Methane." ECS Transactions 91, no. 1 (2019): 349. [7] Li, Tian Chen, Daliang Fang, Jintao Zhang, Mei Er Pam, Zhi Yi Leong, Juezhi Yu, Xue Liang Li, Dong Yan, and Hui Ying Yang. "Recent progress in aqueous zinc-ion batteries: a deep insight into zinc metal anodes." Journal of Materials Chemistry A 9, no. 10 (2021): 6013-6028. [8] Guo, Na, Wenjie Huo, Xiaoyu Dong, Zhefei Sun, Yutao Lu, Xianwen Wu, Lei Dai et al. "A review on 3D zinc anodes for zinc ion batteries." Small Methods 6, no. 9 (2022): 2200597. [9] Kühnel, Ruben-Simon, and Andrea Balducci. "Comparison of the anodic behavior of aluminum current collectors in imide-based ionic liquids and consequences on the stability of high voltage supercapacitors." Journal of Power Sources 249 (2014): 163-171. [10] Chakrabarty, Sankalpita, J. Alberto Blázquez, Tali Sharabani, Ananya Maddegalla, Olatz Leonet, Idoia Urdampilleta, Daniel Sharon, Malachi Noked, and Ayan Mukherjee. "Stability of Current Collectors Against Corrosion in APC Electrolyte for Rechargeable Mg Battery." Journal of The Electrochemical Society 168, no. 8 (2021): 080526. Figure 1

Objetivo: Esse estudo objetivou investigar percepções de estudantes de Odontologia quanto ao medo e à ansiedade em relação ao manejo de pacientes e ao risco de infecção por COVID-19. Materiais e métodos: Esse estudo transversal envolveu todos os alunos regularmente matriculados em Odontologia, no primeiro semestre de 2020, da Universidade Federal de Pelotas. Um questionário foi aplicado, coletando dados demográficos, nível de formação e perguntas relacionadas ao medo e ansiedade frente à pandemia de COVID-19. Quatro comparações de acordo com a fase da graduação (fase pré-clínica ou clínica), nível de graduação e pós-graduação e de acordo com os sexos foram feitas. Análises independentes para as comparações entre os sexos foram realizadas para os alunos de graduação e de pós-graduação (α<5%). Resultados: Foram incluídos 408 estudantes. Na graduação, mulheres relataram sentirem-se mais ansiosas ao realizar tratamento em pacientes com suspeita de COVID-19 (54%) e sentem mais medo ao ouvir que a infecção tem causado mortes (92,4%), na pós-graduação, responderam ser mais nervosas para conversar com pacientes em ambientes fechados em comparações com homens (P<0,05). Alunos em fase pré-clínica possuem significativamente menor receio (65,5%), ansiedade (32,3%) e nervosismo (28,3%) do contágio do COVID-19 quando comparados com aqueles na fase clínica. Conclusões: Mulheres e alunos na fase clínica apresentam maior ansiedade e nervosismo. Descritores: Ansiedade; Estudantes de Odontologia; Medo; Infecções por Coronavírus. Referências Chang J, Yuan Y, Wang D. [Mental health status and its influencing factors among college students during the epidemic of COVID-19]. Nan Fang Yi Ke Da Xue Xue Bao. 2020;40(2):171-176. World Health Organization. WHO Director-General’s opening remarks at the media briefing on COVID-19- 11 March 2020. 2020. Disponível em: https://www.who.int/dg/speeches/detail/who-director-general-s-opening-remarks-at-the-media-briefing-on-covid-19---11-march-2020. Acesso em: 8 de novembro de 2020. Pascarella G, Strumia A, Piliego C, Bruno F, Del Buono R, Costa F, Scarlata S, Agrò FE. COVID-19 diagnosis and management: a comprehensive review. J Intern Med. 2020;288(2):192-206. Chen E, Lerman K, Ferrara E. Tracking Social Media Discourse About the COVID-19 Pandemic: Development of a Public Coronavirus Twitter Data Set. JMIR Public Health Surveill. 2020;6(2):e19273. Iyer P, Aziz K, Ojcius DM. Impact of COVID-19 on dental education in the United States. J Dent Educ. 2020;84(6):718-722. Meng L, Hua F, Bian Z. Coronavirus Disease 2019 (COVID-19): Emerging and Future Challenges for Dental and Oral Medicine. J Dent Res. 2020;99(5):481-487. Peng X, Xu X, Li Y, Cheng L, Zhou X, Ren B. Transmission routes of 2019-nCoV and controls in dental practice. Int J Oral Sci. 2020;12(1):9. Machado RA, Bonan PRF, Perez DEDC, Martelli Júnior H. COVID-19 pandemic and the impact on dental education: discussing current and future perspectives. Braz Oral Res. 2020;34:e083. Ataş O, Talo Yildirim T. Evaluation of knowledge, attitudes, and clinical education of dental students about COVID-19 pandemic. PeerJ. 2020;8:e9575. Deery C. The COVID-19 pandemic: implications for dental education. Evid Based Dent. 2020;21(2):46-47. Basudan S, Binanzan N, Alhassan A. Depression, anxiety and stress in dental students. Int J Med Educ. 2017;8:179-186. Elani HW, Allison PJ, Kumar RA, Mancini L, Lambrou A, Bedos C. A systematic review of stress in dental students. J Dent Educ. 2014; 78(2):226-42. Sahu P. Closure of Universities Due to Coronavirus Disease 2019 (COVID-19): Impact on Education and Mental Health of Students and Academic Staff. Cureus. 2020;12(4):e7541. Ahmed MA, Jouhar R, Ahmed N, Adnan S, Aftab M, Zafar MS, Khurshid Z. Fear and Practice Modifications among Dentists to Combat Novel Coronavirus Disease (COVID-19) Outbreak. Int J Environ Res Public Health. 2020;17(8):2821. Talevi D, Socci V, Carai M, Carnaghi G, Faleri S, Trebbi E, di Bernardo A, Capelli F, Pacitti F. Mental health outcomes of the CoViD-19 pandemic. Riv Psichiatr. 2020;55(3):137-44. Mijiritsky E, Hamama-Raz Y, Liu F, Datarkar AN, Mangani L, Caplan J, Shacham A, Kolerman R, Mijiritsky O, Ben-Ezra M, Shacham M. Subjective Overload and Psychological Distress among Dentists during COVID-19. Int J Environ Res Public Health. 2020;17:5074. Rymarowicz J, Stefura T, Major P, Szeliga J, Wallner G, Nowakowski M, Pędziwiatr M. General surgeons' attitudes towards COVID-19: A national survey during the SARS-CoV-2 virus outbreak. Eur Surg. 2020;1-6. Adams JG, Walls RM. Supporting the Health Care Workforce During the COVID-19 Global Epidemic. JAMA. 2020;323(15):1439-40. Naz N, Iqbal S, Mahmood A. Stress, anxiety and depression among the dental students of university college of medicine and dentistry Lahore; Pakistan. Pak J Med Health Sci. 2017;11(4):1277-81. Waqas A, Iftikhar A, Malik Z, Aedma KK, Meraj H, Naveed S. Association of severity of depressive symptoms with sleep quality, social support and stress among Pakistani medical and dental students: A cross-sectional study. Global Psychiatry. 2019;2(2):211-20. Wang Y, Di Y, Ye J, Wei W. Study on the public psychological states and its related factors during the outbreak of coronavirus disease 2019 (COVID-19) in some regions of China. Psychol Health Med. 2020;1-10. Xiong J, Lipsitz O, Nasri F, Lui LMW, Gill H, Phan L, Chen-Li D, Iacobucci M, Ho R, Majeed A, McIntyre RS. Impact of COVID-19 pandemic on mental health in the general population: A systematic review. J Affect Disord. 2020;277:55-64. Liu N, Zhang F, Wei C, Jia Y, Shang Z, Sun L, Wu L, Sun Z, Zhou Y, Wang Y, Liu W. Prevalence and predictors of PTSS during COVID-19 outbreak in China hardest-hit areas: Gender differences matter. Psychiatry Res. 2020;287;112921. Terán E, Mayta-Tovalino F. Risk Factors, Self-perceived Stress, and Clinical Training among Dentistry Students in Peru: A Cross-sectional Study. J Contemp Dent Pract. 2019;20(5):561-5. Uraz A, Tocak YS, Yozgatligil C, Cetiner S, Bal B. Psychological well-being, health, and stress sources in Turkish dental students. J Dent Educ. 2013:77(10):1345-55. Agius AM, Gatt G, Vento Zahra E, Busuttil A, Gainza-Cirauqui ML, Cortes ARG et al. Self-reported dental student stressors and experiences during the COVID-19 pandemic. J Dent Educ. 2020. doi: 10.1002/jdd.12409. Hu J, Zou H, Dai Y, Feng Z. How to keep students engaged in oral health education during the COVID-19 pandemic. J Dent Educ. 2020. doi: 10.1002/jdd.12420. Liu S, Yang L, Zhang C, Xiang YT, Liu Z, Hu S, Zhang B. Online mental health services in China during the COVID-19 outbreak. Lancet Psychiatry. 2020;7(4):e17-8. Maia BR, Dias PC. Anxiety, depression and stress in university students: the impact of COVID-19. Estudos de Psicologia (Campinas). 2020;37:e200067.

Introdução: O câncer é definido como uma proliferação descontrolada de células malignas em um hospedeiro e considerado uma das principais causas de morte em todo o mundo. No Brasil, o câncer colorretal é a segunda causa de morte mais comum entre mulheres e a terceira mais prevalente em homens. Muitas estratégias têm sido estudadas para auxiliar o tratamento antineoplásico. Dentro desse contexto, a ingestão de probióticos, representa uma nova opção terapêutica relevante no âmbito da nutrição. Objetivo: Realizar uma revisão sobre o uso dos probióticos no tratamento de pacientes com câncer colorretal. Material e Método: Trata-se de uma revisão realizada em 2018, utilizando-se 10 artigos, pesquisados nas bases indexadas BVS e PubMed e na ferramenta de pesquisa Google acadêmico. A pesquisa incluiu artigos em português e inglês publicados no período de 2010 a 2017. Resultados: O uso de probióticos demonstrou trazer efeitos positivos ao tratamento de pacientes com câncer colorretal, trazendo benefícios como: a diminuição de enterobactérias e enterococos, melhora na modulação da imunidade local, melhora dos sintomas intestinais, recuperação da função intestinal, entre outros. Conclusão: Conclui-se que apesar dos resultados positivos observados, há a necessidade de futuros estudos de longa duração para elucidar melhor essa relação.Descritores: Neoplasias Colorretais; Nutrientes; Probióticos.ReferênciasKahouli I, Malhotra M, Westfall S, Alaoui-Jamali MA, Prakash S. Design and validation of an orally administrated active L. fermentum-L. acidophilus probiotic formulation using colorectal cancer Apc Min/+ mouse model. Appl Microbiol Biotechnol. 2017;101(5):1999-2019.Oliveira RC, Rêgo MAV. Mortality risck of colorectal câncer in Brazil from 1980 to 2013. Arq Gastroenterol 2016;53(2)76-83.Instituto Nacional de Câncer (INCA). Tipos de câncer: colorretal. Rio de Janeiro: INCA; 2018.Instituto Nacional de Câncer (INCA). Estimativa 2016: incidência de Câncer no Brasil. Rio de Janeiro: INCA; 2016.Brasil. Ministério da Saúde. Departamento de Informática do SUS (DATASUS). Painel de Monitoramento da Mortalidade CID-10. Brasília; 2017.Corrêa RS, Pinto JRFE, Santos LV, Góis MC, Silva RP, Silva HM. Rectal cancer survival in a Brazilian Cancer Reference Unit. J Coloproctol. 2016;36:203-7.Oliveira AL, Aarestrupo FM. Avaliação nutricional e atividade inflamatória sistêmica de pacientes submetidos à suplementação com simbióticos. ABCD arq bras cir dig. 2012;25(3):147-53.Jacoby JT, Guzzon S, Rosech LFW, Mendes RH. Uso de pré, pró e simbióticos como coadjuvantes no tratamento do câncer colorretal. Clin Biomed Res. 2017;37(3):232-46.Gao Z, Guo B, Gao R, Zhu Q, Wu W, Qin H. Probiotics modify human intestinal mucosa-associated microbiota in patients with colorectal cancer. Mol Med Rep. 2015;12(4):6119-27.Chaves PL, Gorini MI. Qualidade de vida do paciente com câncer colorretal em quimioterapia ambulatorial. Rev Gaucha Enferm. 2011;32(4):767-73.Barbosa, LRLS. Perfil nutricional de pacientes em pré-operatório eletivo para câncer colorretal [dissertação]. Belo Horizonte: Universidade Federal de Minas Gerais; 2011.Denipote FG, Trindade EBSM, Burini RC. Probióticos e Prebióticos na atenção primária ao câncer de cólon. Arq Gastroenterol. 2010;47(1):93-8.Machado FF, Lazzaretti RK, Poziomyck AK. Uso de prebióticos, probióticos e simbióticos nos pré e pós- operatórios do câncer colorretal: uma revisão. Rev bras cancerol. 2014;60(4):363-70.Correia MITD, Liboredo JC, Consoli MLD. The role of probiotics in gastrointestinal surgery. Nutrition. 2012;28(3):230-34.Zhang JW, Du P, Gao J, Yang BR, Fang WJ, Ying CM. Preoperative probiotics decrease postoperative infectious complications of colorectal cancer. Am J Med Sci. 2012;343(3):199-205.Liu Z, Qin H, Yang Z, Xia Y, Liu W, Yang J et al. Randomised clinical trial: the effects of perioperative probiotic treatment on barrier function and postoperative infectious complications in colorectal câncer surgery – a double-blind study. Aliment Pharmacol Ther. 2011;33(1):50-63.Yang Y, Xia Y, Chen H, Hong L, Feng J, Yang J et al. The effect of perioperative probiotics treatment for colorectal cancer: short-term outcomes of a randomized controlled trial. Oncotarget. 7(7);8432-40.Kotzampassi K, Stavrou G, Damoraki G, Georgitsi M, Basdanis G, Tsaousi G et al. A four-Probiotics regimen reduces postoperative complications after colorectal surgery: a randomized, double-blind, placebo-controlled study. World J Surg. 2015;39(11):2776-83.Lee JY, Chu SH, Jeon JY, Lee MK, Park JH, Lee DC et al. Effects of 12 weeks of probiotic supplementation on quality of life in colorectal cancer survivors: a double-blind, randomized, placebo-controlled trial. 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ObjectiveWe aimed to assess the effect of the amended Public Health act of 2013 on facility-based HIV testing in Princess Marina Hospital.IntroductionHIV testing remains the mainstay of optimal HIV care and is pivotal to control and prevention of the disease, however efforts to attain optimal testing levels have been undermined by low HIV testing especially in developing countries. Botswana in response, amended its Public Health Act in September 2013 but the effect of this action on facility based HIV testing rates has not been evaluated.MethodsWe carried out an effect assessment using interrupted time-series analysis method, where we accessed electronic medical records of patients seen in Princess Marina Hospital from June 2011 to May 2015. Rates were developed from the proportion of patients that tested each month out of the number that registered, and that figure used that as our data point in the series. September 2013 served as our intervention period in the series. We ran the (i) crude and (ii) sex-stratified model regression models in stata® yielding Newey-West coefficients with their 95% confidence intervals. Graphical display of the models were also produced to visual appreciation and inspection.ResultsTwo hundred and twenty-nine thousand six hundred and ninety two patients were registered between June 2011 and May 2015. Of those tested the significant majority being females (65%). From the Newey-regression output there was no significant change in the level of HIV testing immediately after the intervention however there was a change in trend(p=0.002) post the intervention. Stratification by gender, revealed no statistically significant difference between males and females, either in the levels nor the trend post intervention compared to pre-intervention.ConclusionsThe amendment of the Public Health act of 2013, has brought about trend change in HIV testing however there has not been any apparent difference in the levels nor trends on HIV testing between males and females. Nationwide health facility-based studies could assist assess the overall effect of the amended act on HIV testing rates.References1. Provider Initiated HIV Testing and Counseling: One Day Training Programme, Field Test Version. WHO Guidelines Approved by the Guidelines Review Committee. Geneva2011.2. Donnell D, Baeten JM, Kiarie J, Thomas KK, Stevens W, Cohen CR, et al. Heterosexual HIV-1 transmission after initiation of antiretroviral therapy: a prospective cohort analysis. The Lancet. 2010;375(9731):2092-8.3. Lawn SD, Harries AD, Anglaret X, Myer L, Wood R. Early mortality among adults accessing antiretroviral treatment programmes in sub-Saharan Africa. Aids. 2008;22(15):1897-908.4. McMahon JM, Pouget ER, Tortu S, Volpe EM, Torres L, Rodriguez W. Couple-based HIV counseling and testing: a risk reduction intervention for US drug-involved women and their primary male partners. Prevention science : the official journal of the Society for Prevention Research. 2015;16(2):341-51.5. Shan D, Duan S, Gao J, Yang Y, Ye R, Hu Y, et al. [Analysis of early detection of HIV infections by provider initiated HIV testing and counselling in regions with high HIV/AIDS epidemic in China]. Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]. 2015;49(11):962-6.6. Hensen B, Baggaley R, Wong VJ, Grabbe KL, Shaffer N, Lo YRJ, et al. Universal voluntary HIV testing in antenatal care settings: a review of the contribution of provider initiated testing & counselling. Tropical Medicine & International Health. 2012;17(1):59-70.7. Ijadunola K, Abiona T, Balogun J, Aderounmu A. Provider-initiated (Opt-out) HIV testing and counselling in a group of university students in Ile-Ife, Nigeria. The European journal of contraception & reproductive health care : the official journal of the European Society of Contraception. 2011;16(5):387-96.8. Baisley K, Doyle AM, Changalucha J, Maganja K, Watson-Jones D, Hayes R, et al. Uptake of voluntary counselling and testing among young people participating in an HIV prevention trial: comparison of opt-out and opt-in strategies. PloS one. 2012;7(7):e42108.9. Topp SM, Chipukuma JM, Chiko MM, Wamulume CS, Bolton-Moore C, Reid SE. Opt-out provider-initiated HIV testing and counselling in primary care outpatient clinics in Zambia. Bulletin of the World Health Organization. 2011;89(5):328-35A.10. Tlhakanelo JT, Mulumba-Tshikuka JG, Molefi M, Magafu MG, Matchaba-Hove RB, Masupe T. The burden of opportunistic-infections and associated exposure factors among HIV-patients admitted at a Botswana hospital. 2015.11. Bernard EJ. BOTSWANA’S DRACONIAN PUBLIC HEALTH BILL APPROVED BY PARLIAMENT, BONELA WILL CHALLENGE IT AS UNCONSTITUTIONAL ONCE PRESIDENT SIGNS INTO LAW (UPDATE 3). HIV justice Network. 2013.12. Biglan A, Ary D, Wagenaar AC. The value of interrupted time-series experiments for community intervention research. Prevention science : the official journal of the Society for Prevention Research. 2000;1(1):31-49.

Introdução: A transmissão SARS-CoV-2 de humano para humano pode ocorrer e o risco de propagação no ar durante os procedimentos odontológicos geradores de aerossóis permanece uma preocupação. Acredita-se que um enxaguatório bucal antimicrobiano pré-operacional reduza o número de micróbios orais. No entanto, a eficácia do enxaguatório bucal pré-procedimento na redução do número de microrganismos disseminados por meio do aerossol gerado por procedimentos odontológicos ainda não está clara. Objetivo: avaliar através de uma revisão de literatura o uso de enxaguantes bucais na redução da carga viral do SARS-CoV-2. Materiais e Método: O levantamento literário para esta pesquisa foi realizado no período de dezembro de 2019 a 10 de agosto de 2020 nas bases de dados Scielo e Medline/PubMed. Na estratégia de busca, foram utilizadas as palavras “SARS-CoV-2”, “2019-nCoV”, “COVID-19”, “Dentistry”, “Odontologia”, “Odontología”, “Mouthwashes”, “Antissépticos Bucais” e “Antisépticos Bucales”. Resultados: Uma busca sistematizada foi realizada, foram encontrados 661 artigos, após a realização da leitura criteriosa dos artigos completos foram selecionados 42 artigos. 88% dos estudos indicavam o uso de Peróxido de hidrogênio a 1%, 76% indicavam Povidine 0,2% e apenas 19% o uso da Clorexidina a 0,12%. Conclusão: Os estudos presentes na literatura apresentam divergências nas indicações e porcentagens dos enxaguantes indicados. Os protocolos clínicos devem ser avaliados para reduzir o risco de transmissão e proteger pacientes e profissionais.Descritores: Infecções por Coronavírus; Betacoronavirus; Odontologia; Antissépticos Bucais.ReferênciasGe ZY, Yang LM, Xia JJ, Fu XH, Zhang YZ. Possible aerosol transmission of COVID-19 and special precautions in dentistry. J Zhejiang Univ Sci B. 2020;21(5):361-68. Peng X, Xu X, Li Y, Cheng L, Zhou X, Ren B. Transmission routes of 2019-nCoV and controls in dental practice. 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The curtain rose. The howling of desert wind filled the performance hall in the Shanghai Grand Theatre. Into the center stage, where a scenic construction of a mountain cliff and a desert landscape was dimly lit, entered the character of the Daoist priest Wang Yuanlu (1849–1931), performed by Chen Yizong. Dressed in a worn and dusty outfit of dark blue cotton, characteristic of Daoist priests, Wang began to sweep the floor. After a few moments, he discovered a hidden chambre sealed inside one of the rock sanctuaries carved into the cliff.Signaled by the quick, crystalline, stirring wave of sound from the chimes, a melodious Chinese ocarina solo joined in slowly from the background. Astonished by thousands of Buddhist sūtra scrolls, wall paintings, and sculptures he had just accidentally discovered in the caves, Priest Wang set his broom aside and began to examine these treasures. Dawn had not yet arrived, and the desert sky was pitch-black. Priest Wang held his oil lamp high, strode rhythmically in excitement, sat crossed-legged in a meditative pose, and unfolded a scroll. The sound of the ocarina became fuller and richer and the texture of the music more complex, as several other instruments joined in.Below is the opening scene of the award-winning, theatrical dance-drama Dunhuang, My Dreamland, created by China’s state-sponsored Lanzhou Song and Dance Theatre in 2000. Figure 1a: Poster Side A of Dunhuang, My Dreamland Figure 1b: Poster Side B of Dunhuang, My DreamlandThe scene locates the dance-drama in the rock sanctuaries that today are known as the Dunhuang Mogao Caves, housing Buddhist art accumulated over a period of a thousand years, one of the best well-known UNESCO heritages on the Silk Road. Historically a frontier metropolis, Dunhuang was a strategic site along the Silk Road in northwestern China, a crossroads of trade, and a locus for religious, cultural, and intellectual influences since the Han dynasty (206 B.C.E.–220 C.E.). Travellers, especially Buddhist monks from India and central Asia, passing through Dunhuang on their way to Chang’an (present day Xi’an), China’s ancient capital, would stop to meditate in the Mogao Caves and consult manuscripts in the monastery's library. At the same time, Chinese pilgrims would travel by foot from China through central Asia to Pakistan, India, Nepal, Bangladesh, and Sri Lanka, playing a key role in the exchanges between ancient China and the outside world. Travellers from China would stop to acquire provisions at Dunhuang before crossing the Gobi Desert to continue on their long journey abroad. Figure 2: Dunhuang Mogao CavesThis article approaches the idea of “abroad” by examining the present-day imagination of journeys along the Silk Road—specifically, staged performances of the various Silk Road journey-themed dance-dramas sponsored by the Chinese state for enhancing its cultural and foreign policies since the 1970s (Kuang).As ethnomusicologists have demonstrated, musicians, choreographers, and playwrights often utilise historical materials in their performances to construct connections between the past and the present (Bohlman; Herzfeld; Lam; Rees; Shelemay; Tuohy; Wade; Yung: Rawski; Watson). The ancient Silk Road, which linked the Mediterranean coast with central China and beyond, via oasis towns such as Samarkand, has long been associated with the concept of “journeying abroad.” Journeys to distant, foreign lands and encounters of unknown, mysterious cultures along the Silk Road have been documented in historical records, such as A Record of Buddhist Kingdoms (Faxian) and The Great Tang Records on the Western Regions (Xuanzang), and illustrated in classical literature, such as The Travels of Marco Polo (Polo) and the 16th century Chinese novel Journey to the West (Wu). These journeys—coming and going from multiple directions and to different destinations—have inspired contemporary staged performance for audiences around the globe.Home and Abroad: Dunhuang and the Silk RoadDunhuang, My Dreamland (2000), the contemporary dance-drama, staged the journey of a young pilgrim painter travelling from Chang’an to a land of the unfamiliar and beyond borders, in search for the arts that have inspired him. Figure 3: A scene from Dunhuang, My Dreamland showing the young pilgrim painter in the Gobi Desert on the ancient Silk RoadFar from his home, he ended his journey in Dunhuang, historically considered the northwestern periphery of China, well beyond Yangguan and Yumenguan, the bordering passes that separate China and foreign lands. Later scenes in Dunhuang, My Dreamland, portrayed through multiethnic music and dances, the dynamic interactions among merchants, cultural and religious envoys, warriors, and politicians that were making their own journey from abroad to China. The theatrical dance-drama presents a historically inspired, re-imagined vision of both “home” and “abroad” to its audiences as they watch the young painter travel along the Silk Road, across the Gobi Desert, arriving at his own ideal, artistic “homeland”, the Dunhuang Mogao Caves. Since his journey is ultimately a spiritual one, the conceptualisation of travelling “abroad” could also be perceived as “a journey home.”Staged more than four hundred times since it premiered in Beijing in April 2000, Dunhuang, My Dreamland is one of the top ten titles in China’s National Stage Project and one of the most successful theatrical dance-dramas ever produced in China. With revenue of more than thirty million renminbi (RMB), it ranks as the most profitable theatrical dance-drama ever produced in China, with a preproduction cost of six million RMB. The production team receives financial support from China’s Ministry of Culture for its “distinctive ethnic features,” and its “aim to promote traditional Chinese culture,” according to Xu Rong, an official in the Cultural Industry Department of the Ministry. Labeled an outstanding dance-drama of the Chinese nation, it aims to present domestic and international audiences with a vision of China as a historically multifaceted and cosmopolitan nation that has been in close contact with the outside world through the ancient Silk Road. Its production company has been on tour in selected cities throughout China and in countries abroad, including Austria, Spain, and France, literarily making the young pilgrim painter’s “journey along the Silk Road” a new journey abroad, off stage and in reality.Dunhuang, My Dreamland was not the first, nor is it the last, staged performances that portrays the Chinese re-imagination of “journeying abroad” along the ancient Silk Road. It was created as one of many versions of Dunhuang bihua yuewu, a genre of music, dance, and dramatic performances created in the early twentieth century and based primarily on artifacts excavated from the Mogao Caves (Kuang). “The Mogao Caves are the greatest repository of early Chinese art,” states Mimi Gates, who works to increase public awareness of the UNESCO site and raise funds toward its conservation. “Located on the Chinese end of the Silk Road, it also is the place where many cultures of the world intersected with one another, so you have Greek and Roman, Persian and Middle Eastern, Indian and Chinese cultures, all interacting. Given the nature of our world today, it is all very relevant” (Pollack). As an expressive art form, this genre has been thriving since the late 1970s contributing to the global imagination of China’s “Silk Road journeys abroad” long before Dunhuang, My Dreamland achieved its domestic and international fame. For instance, in 2004, The Thousand-Handed and Thousand-Eyed Avalokiteśvara—one of the most representative (and well-known) Dunhuang bihua yuewu programs—was staged as a part of the cultural program during the Paralympic Games in Athens, Greece. This performance, as well as other Dunhuang bihua yuewu dance programs was the perfect embodiment of a foreign religion that arrived in China from abroad and became Sinicized (Kuang). Figure 4: Mural from Dunhuang Mogao Cave No. 45A Brief History of Staging the Silk Road JourneysThe staging of the Silk Road journeys abroad began in the late 1970s. Historically, the Silk Road signifies a multiethnic, cosmopolitan frontier, which underwent incessant conflicts between Chinese sovereigns and nomadic peoples (as well as between other groups), but was strongly imbued with the customs and institutions of central China (Duan, Mair, Shi, Sima). In the twentieth century, when China was no longer an empire, but had become what the early 20th-century reformer Liang Qichao (1873–1929) called “a nation among nations,” the long history of the Silk Road and the colourful, legendary journeys abroad became instrumental in the formation of a modern Chinese nation of unified diversity rooted in an ancient cosmopolitan past. The staged Silk Road theme dance-dramas thus participate in this formation of the Chinese imagination of “nation” and “abroad,” as they aestheticise Chinese history and geography. History and geography—aspects commonly considered constituents of a nation as well as our conceptualisations of “abroad”—are “invariably aestheticized to a certain degree” (Bakhtin 208). Diverse historical and cultural elements from along the Silk Road come together in this performance genre, which can be considered the most representative of various possible stagings of the history and culture of the Silk Road journeys.In 1979, the Chinese state officials in Gansu Province commissioned the benchmark dance-drama Rain of Flowers along the Silk Road, a spectacular theatrical dance-drama praising the pure and noble friendship which existed between the peoples of China and other countries in the Tang dynasty (618-907 C.E.). While its plot also revolves around the Dunhuang Caves and the life of a painter, staged at one of the most critical turning points in modern Chinese history, the work as a whole aims to present the state’s intention of re-establishing diplomatic ties with the outside world after the Cultural Revolution. Unlike Dunhuang, My Dreamland, it presents a nation’s journey abroad and home. To accomplish this goal, Rain of Flowers along the Silk Road introduces the fictional character Yunus, a wealthy Persian merchant who provides the audiences a vision of the historical figure of Peroz III, the last Sassanian prince, who after the Arab conquest of Iran in 651 C.E., found refuge in China. By incorporating scenes of ethnic and folk dances, the drama then stages the journey of painter Zhang’s daughter Yingniang to Persia (present-day Iran) and later, Yunus’s journey abroad to the Tang dynasty imperial court as the Persian Empire’s envoy.Rain of Flowers along the Silk Road, since its debut at Beijing’s Great Hall of the People on the first of October 1979 and shortly after at the Theatre La Scala in Milan, has been staged in more than twenty countries and districts, including France, Italy, Japan, Thailand, Russia, Latvia, Hong Kong, Macao, Taiwan, and recently, in 2013, at the Lincoln Center for the Performing Arts in New York.“The Road”: Staging the Journey TodayWithin the contemporary context of global interdependencies, performing arts have been used as strategic devices for social mobilisation and as a means to represent and perform modern national histories and foreign policies (Davis, Rees, Tian, Tuohy, Wong, David Y. H. Wu). The Silk Road has been chosen as the basis for these state-sponsored, extravagantly produced, and internationally staged contemporary dance programs. In 2008, the welcoming ceremony and artistic presentation at the Olympic Games in Beijing featured twenty apsara dancers and a Dunhuang bihua yuewu dancer with long ribbons, whose body was suspended in mid-air on a rectangular LED extension held by hundreds of performers; on the giant LED screen was a depiction of the ancient Silk Road.In March 2013, Chinese president Xi Jinping introduced the initiatives “Silk Road Economic Belt” and “21st Century Maritime Silk Road” during his journeys abroad in Kazakhstan and Indonesia. These initiatives are now referred to as “One Belt, One Road.” The State Council lists in details the policies and implementation plans for this initiative on its official web page, www.gov.cn. In April 2013, the China Institute in New York launched a yearlong celebration, starting with "Dunhuang: Buddhist Art and the Gateway of the Silk Road" with a re-creation of one of the caves and a selection of artifacts from the site. In March 2015, the National Development and Reform Commission (NDRC), China’s top economic planning agency, released a new action plan outlining key details of the “One Belt, One Road” initiative. Xi Jinping has made the program a centrepiece of both his foreign and domestic economic policies. One of the central economic strategies is to promote cultural industry that could enhance trades along the Silk Road.Encouraged by the “One Belt, One Road” policies, in March 2016, The Silk Princess premiered in Xi’an and was staged at the National Centre for the Performing Arts in Beijing the following July. While Dunhuang, My Dreamland and Rain of Flowers along the Silk Road were inspired by the Buddhist art found in Dunhuang, The Silk Princess, based on a story about a princess bringing silk and silkworm-breeding skills to the western regions of China in the Tang Dynasty (618-907) has a different historical origin. The princess's story was portrayed in a woodblock from the Tang Dynasty discovered by Sir Marc Aurel Stein, a British archaeologist during his expedition to Xinjiang (now Xinjiang Uygur autonomous region) in the early 19th century, and in a temple mural discovered during a 2002 Chinese-Japanese expedition in the Dandanwulike region. Figure 5: Poster of The Silk PrincessIn January 2016, the Shannxi Provincial Song and Dance Troupe staged The Silk Road, a new theatrical dance-drama. Unlike Dunhuang, My Dreamland, the newly staged dance-drama “centers around the ‘road’ and the deepening relationship merchants and travellers developed with it as they traveled along its course,” said Director Yang Wei during an interview with the author. According to her, the show uses seven archetypes—a traveler, a guard, a messenger, and so on—to present the stories that took place along this historic route. Unbounded by specific space or time, each of these archetypes embodies the foreign-travel experience of a different group of individuals, in a manner that may well be related to the social actors of globalised culture and of transnationalism today. Figure 6: Poster of The Silk RoadConclusionAs seen in Rain of Flowers along the Silk Road and Dunhuang, My Dreamland, staging the processes of Silk Road journeys has become a way of connecting the Chinese imagination of “home” with the Chinese imagination of “abroad.” Staging a nation’s heritage abroad on contemporary stages invites a new imagination of homeland, borders, and transnationalism. Once aestheticised through staged performances, such as that of the Dunhuang bihua yuewu, the historical and topological landscape of Dunhuang becomes a performed narrative, embodying the national heritage.The staging of Silk Road journeys continues, and is being developed into various forms, from theatrical dance-drama to digital exhibitions such as the Smithsonian’s Pure Land: Inside the Mogao Grottes at Dunhuang (Stromberg) and the Getty’s Cave Temples of Dunhuang: Buddhist Art on China's Silk Road (Sivak and Hood). 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Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), a novel coronavirus , is causing a serious worldwide COVID-19 pandemic. The emergence of strains with rapid spread and unpredictable changes is the cause of the increase in morbidity and mortality rates. A number of drugs as well as vaccines are currently being used to relieve symptoms, prevent and treat the disease caused by this virus. However, the number of approved drugs is still very limited due to their effectiveness and side effects. In such a situation, medicinal plants and bioactive compounds are considered a highly valuable source in the development of new antiviral drugs against SARS-CoV-2. This review summarizes medicinal plants and bioactive compounds that have been shown to act on molecular targets involved in the infection and replication of SARS-CoV-2. Keywords: Medicinal plants, bioactive compounds, antivirus, SARS-CoV-2, COVID-19 References [1] R. Lu, X. Zhao, J. Li, P. Niu, B. Yang, H. 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