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Artykuły w czasopismach na temat „CygX-2”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Jusman, Sri W. A., Febriana C. Iswanti, Franciscus D. Suyatna, Frans Ferdinal, Septelia I. Wanandi та Mohamad Sadikin. "Cytoglobin expression in oxidative stressed liver during systemic chronic normobaric hypoxia and relation with HIF-1α". Medical Journal of Indonesia 23, № 3 (2014): 133–8. http://dx.doi.org/10.13181/mji.v23i3.1025.

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Background: Liver is sensitive against hypoxia and hypoxia will stabilize HIF-1α. At the same time, hypoxia will produce reactive oxygen species (ROS) which can be scavenged by Cygb. The purpose of our study is to know, if normobaric hypoxia can induce Cygb expression and its association with HIF-1α stabilization.Methods: This is an experimental study using 28 male Sprague-Dawley rats, 150-200 g weight. Rats are divided into 7 groups: control group and treatment groups that are kept in hypoxic chamber (10% O2: 90% N2) for 6 hours, 1, 2, 3, 7 and 14 days. All rats are euthanized after treatment

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2

Mimura, Imari, Masaomi Nangaku, Hiroshi Nishi, Reiko Inagi, Tetsuhiro Tanaka, and Toshiro Fujita. "Cytoglobin, a novel globin, plays an antifibrotic role in the kidney." American Journal of Physiology-Renal Physiology 299, no. 5 (2010): F1120—F1133. http://dx.doi.org/10.1152/ajprenal.00145.2010.

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Cytoglobin (Cygb), a novel member of the globin superfamily, is expressed by fibroblasts in various organs. However, its function remains unknown. Because of its localization, we speculated that a biological role of Cygb may be related to fibrogenesis. To clarify the role of Cygb in kidney fibrosis, we employed the remnant kidney model in rats. Immunohistochemical analysis showed an increase in Cygb expression in parallel with disease progression. To investigate the functional consequence of Cygb upregulation, we established transgenic rats overexpressing rat Cygb. Overexpression of Cygb impro

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3

Kiss, L. L., N. Gőgh, J. Vinkó, et al. "Nova Cygni 2001/2 = V2275 Cyg." Astronomy & Astrophysics 384, no. 3 (2002): 982–86. http://dx.doi.org/10.1051/0004-6361:20020064.

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Yang, Chloe, Mina Dehghani, Wilma Hopman, and Sita D. Bhella. "Are We Choosing Mobilization Regimens for Autologous Stem Cell Transplantation in Multiple Myeloma Wisely?: A Single Centre Comparison of GCSF+/-Plerixafor Vs Cyclophosphamide/GCSF+/- Plerixafor." Blood 134, Supplement_1 (2019): 2136. http://dx.doi.org/10.1182/blood-2019-128819.

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Background: Autologous stem cell transplantation (ASCT) as consolidation post induction is standard of care for eligible multiple myeloma patients. Multiple strategies are employed for mobilization of stem cells in ASCT. Cyclophosphamide/GCSF is an effective standard regimen. However there are reported toxicities associated with cyclophosphamide including risk of febrile neutropenia. Since plerixafor was introduced in Canada, this mobilization agent has been increasingly used as needed with GCSF at Kingston Health Science Centre (KHSC), with elimination of cyclophosphamide. There is however hi

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5

Done, C., P. T. Z˙ycki, and D. A. Smith. "The X-ray spectrum of Cyg X-2." Monthly Notices of the Royal Astronomical Society 331, no. 2 (2002): 453–62. http://dx.doi.org/10.1046/j.1365-8711.2002.05195.x.

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Kuulkers, E., and M. van Der Klis. "Cyg X-2: Its Recurrent X-Ray Behaviour." International Astronomical Union Colloquium 158 (1996): 363–64. http://dx.doi.org/10.1017/s0252921100039130.

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7

Chiappetti, L., A. L. Ciapi, L. Maraschi, L. Stella, E. G. Tanzi, and A. Treves. "Exosat medium energy observations of Cyg X-2." Astrophysics and Space Science 131, no. 1-2 (1987): 691–95. http://dx.doi.org/10.1007/bf00668160.

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8

Hasinger, G., A. Langmeier, W. Pietsch, and M. Sztajno. "EXOSAT medium energy observations of Cyg X-2." Space Science Reviews 40, no. 1-2 (1985): 233–38. http://dx.doi.org/10.1007/bf00212891.

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9

Sazonov, A. N. "WBVR observations of the X-ray star V1341 Cyg = Cyg X-2 in 1986–1992." Astronomy Reports 55, no. 2 (2011): 142–58. http://dx.doi.org/10.1134/s1063772910121017.

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Farrukh, L., M. Felix, A. Ibrahim, R. Peredo-Wende, D. Jourd’heuil, and F. Jourd’heuil. "AB0755 INVESTIGATING CYTOGLOBIN IN GIANT CELL ARTERITIS: ITS ROLE IN THE PATHOGENESIS AND POTENTIAL AS A BIOMARKER." Annals of the Rheumatic Diseases 82, Suppl 1 (2023): 1584.2–1584. http://dx.doi.org/10.1136/annrheumdis-2023-eular.358.

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BackgroundCytoglobin (CYBG) is a non-erythroid globin that is found in medial smooth muscle cells (SMCs) of human vessels. Recent studies have postulated that CYGB act as a pro-survival factor during conditions associated with increased oxidative stress, by upregulating anti-apoptotic factors and antioxidant pathways. In this study, we hypothesized that CYGB regulates the inflammatory and antioxidant response associated with GCA pathogenesis.ObjectivesThe purpose of this study is to evaluate giant cell arteritis (GCA) vascular lesions for the expression of CYGB and its association with specifi

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11

Page, K. L., J. P. Osborne, P. A. Evans, et al. "Swiftobservations of the X-ray and UV evolution of V2491 Cyg (Nova Cyg 2008 No. 2)." Monthly Notices of the Royal Astronomical Society 401, no. 1 (2010): 121–30. http://dx.doi.org/10.1111/j.1365-2966.2009.15681.x.

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12

Ding, Guoqiang, Chunping Huang, and Yanan Wang. "Determining the neutron star surface magnetic field strength of two Z sources." Proceedings of the International Astronomical Union 8, S290 (2012): 203–4. http://dx.doi.org/10.1017/s174392131201962x.

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AbstractFrom the extreme position of disk motion, we infer the neutron star (NS) surface magnetic field strength (B0) of Z-source GX 17+2 and Cyg X-2. The inferred B0 of GX 17+2 and Cyg X-2 are ~(1–5)×108 G and ~(1–3)×108 G, respectively, which are not inferior to that of millisecond X-ray pulsars or atoll sources. It is likely that the NS magnetic axis of Z sources is parallel to the axis of rotation, which could result in the lack of pulsations in these sources.

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13

Hasinger, Günther. "Observations of Quasi-Periodic Oscillations in Cyg X-2." Symposium - International Astronomical Union 125 (1987): 333–45. http://dx.doi.org/10.1017/s0074180900160930.

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EXOSAT observations of Cyg X-2 reveal two types of QPO's (quasi-periodic oscillations) which are associated with different spectral behaviour. QPO's in the range 18–55 Hz with a hard spectrum are found in all observations where the source is on the ‘horizontal branch’ in an hardness-versus-intensity diagram. On the ‘vertical branch’, however, QPO's with a soft spectrum are found at a stable frequency of 5.6 Hz. A multitude of QPO frequency-intensity relations, found in different ‘horizontal branch’ observations, coalesce to an almost unique relation when the QPO frequency is correlated with sp

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14

Unno, Wasaburo, Tadaoki Yoneyama, Kenji Urata, Isao Masaki, Masa-aki Kondo, and Hajime Inoue. "Is Cygus X-1 a Chaotic Dynamical System?" Publications of the Astronomical Society of Japan 42, no. 2 (1990): 269–78. https://doi.org/10.1093/pasj/42.2.269.

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Abstract X-ray data of Cyg X-1 observed by the Tenma satellite were analyzed to determine whether Cyg X-1 is a chaotic dynamical system of low dimension. Since Poisson noise disturbs the determination of the attractor dimension of the system, comparative studies were carried out for the Cyg X-1 data relative to artificial data of purely stochastic Poisson noise and to a Lorenz attractor plus noise. The attractor dimension was searched using trajectories of time series data in phase space, the dimension of which was varied up to 21. The relation between the attractor dimension and the phase-spa

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15

Koubský, P., P. Harmanec, A. M. Huber, et al. "Spectral and Light Variability of Be Star 60 Cygni." International Astronomical Union Colloquium 175 (2000): 280–83. http://dx.doi.org/10.1017/s0252921100056013.

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AbstractThe analysis of high S/N spectra and photometric data of 60 Cyg shows that: (1) Pronounced long-term variations in spectra are accompanied with light variations. (2) The medium-term variations of RV could indicate that 60 Cyg is a spectroscopic binary. (3) Two independent structures dominate the rapid variability of both spectrum and light of the star.

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16

Neshpor, Yu I., A. V. Zhovtan, N. A. Zhogolev та ін. "Results of observations of very high energy Cyg X-3 and Cyg γ-2 sources in Crimea". Bulletin of the Russian Academy of Sciences: Physics 73, № 5 (2009): 655–56. http://dx.doi.org/10.3103/s1062873809050372.

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17

Ružić, Ž., V. Vujnović, K. Pavlovski, et al. "Activity of the Be star 28 Cygni: 1985–1991." Symposium - International Astronomical Union 162 (1994): 102–3. http://dx.doi.org/10.1017/s0074180900214629.

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28 Cyg (V1624 Cyg, HD 191610, HR 7708; B2e, v sin i = 310 km s-1) has been the target of several observational projects, and in 1988 of a large international campaign. This attention was inspired by several photometric studies and especially by the 1985 nearly simultaneous optical and UV spectroscopic monitoring by Peters & Penrod (1988). They found that the line-profile variations were controlled by two frequencies, 1.45 c/d, and 7.43 c/d, which they identified with sectorial pulsations of modes l = 2, m = +2 and l = 10, m = +10. Rapid changes (0.5 to 1 hr) of the CIV wind profile were fo

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18

Lavagetto, G., T. Di Salvo, M. Falanga, et al. "The broad-band spectrum of Cyg X-2 with INTEGRAL." Astronomy & Astrophysics 445, no. 3 (2006): 1089–92. http://dx.doi.org/10.1051/0004-6361:20053189.

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Premachandra, Sammanani S., Duncan K. Galloway, Jorge Casares, Danny T. Steeghs, and Thomas R. Marsh. "PRECISION EPHEMERIDES FOR GRAVITATIONAL WAVE SEARCHES. II. CYG X-2." Astrophysical Journal 823, no. 2 (2016): 106. http://dx.doi.org/10.3847/0004-637x/823/2/106.

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Shaposhnikov, Nikolai, Lev Titarchuk та Philippe Laurent. "DISCOVERY OF RED-SKEWEDKαIRON LINE IN Cyg X-2 WITHSUZAKU". Astrophysical Journal 699, № 2 (2009): 1223–28. http://dx.doi.org/10.1088/0004-637x/699/2/1223.

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Babkovskaia, Natalia, Juri Poutanen, Anita M. S. Richards, and Ryszard Szczerba. "A warped m= 2 water maser disc in V778 Cyg?" Monthly Notices of the Royal Astronomical Society 370, no. 4 (2006): 1921–27. http://dx.doi.org/10.1111/j.1365-2966.2006.10626.x.

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Shaw, Gargi, and Sudip Bhattacharyya. "Spectroscopic modelling of two high-mass X-ray binaries, Cyg X–3 and 4U 1538–522." Monthly Notices of the Royal Astronomical Society 507, no. 1 (2021): 1441–49. http://dx.doi.org/10.1093/mnras/stab2231.

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ABSTRACT We report a detailed modelling of soft X-ray emission lines from two stellar wind-fed Galactic high-mass X-ray binary (HMXB) systems, Cyg X-3 and 4U 1538-522, and estimate physical parameters, e.g. hydrogen density, radiation field, chemical abundances, wind velocity, etc. The spectral synthesis code cloudy is utilized for this modelling. We model highly ionized X-ray spectral lines, such as Fe XXV (6.700 keV) and Fe XXVI (6.966 keV), and reproduce the observed line flux values. We find that for Cyg X–3 and 4U 1538-522, the inner radius of the ionized gas is at a distance of 1012.25 c

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23

Yoldaş, E., and H. A. Dal. "THE CHALLENGES OF MODELLING THE ACTIVITIES OCCURRING ON ECLIPSING BINARIES V1130 CYG AND V461 LYR." Revista Mexicana de Astronomía y Astrofísica 57, no. 2 (2021): 335–49. http://dx.doi.org/10.22201/ia.01851101p.2021.57.02.07.

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We present the findings for the magnetic activities seen on V1130 Cyg and V461 Lyr. In the case of V1130 Cyg, the secondary component's temperature was found to be 3891±50 K, while the mass ratio was computed as 0.689±0.001, and the orbital inclination as 90°.00±0°.01. The temperature of V461 Lyr's secondary component was found to be 4206±50 K, and the mass ratio was calculated as 0.999±0.001 with 89°.58±0°.01 of orbital inclination. The analyses exhibit the effects of the stellar spots on the light curves. The models indicate that there are two types of flares in the case of V1130 Cyg, and th

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24

Xie, Shi-Chen, Yang Zou, Zhao Li, Jian-Fa Yang, Xing-Quan Zhu, and Feng-Cai Zou. "Molecular Detection and Genotyping of Enterocytozoon bieneusi in Black Goats (Capra hircus) in Yunnan Province, Southwestern China." Animals 11, no. 12 (2021): 3387. http://dx.doi.org/10.3390/ani11123387.

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Enterocytozoon bieneusi is a fungus-like protist that can parasitize in the intestines of humans and various animals causing a threat to public health. However, there has been no data for E. bieneusi prevalence and genotypes in black goats in Yunnan Province, Southwestern China. In this study, 907 fecal samples were collected from black goats in 5 counties from Yunnan Province. The prevalence and genotypes of E. bieneusi were examined by nested PCR amplification targeting the nuclear internal transcribed spacer (ITS). Multi-locus sequence typing (MLST) was used to further examine the potential

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25

Lu, Siliang, Juncheng Tan, Zhen Li, Peixiong Zhang, and Zhenqiang Chen. "Optimal Doping Concentrations of Nd3+ Ions in CYGA Laser Crystals." Crystals 14, no. 2 (2024): 168. http://dx.doi.org/10.3390/cryst14020168.

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The kinetic process of the excited state population of Nd3+ ion in Nd: CaY0.9Gd0.1AlO4 (Nd: CYGA) crystal were studied in detail to estimate the optimal doping concentration, which maximize ~1 μm fluorescence emission from the 4F3/2 state to the 4I9/2 state of Nd3+. The analysis was accomplished by revealing the dependence of the excited state population on the doping concentration in a relatively convenient way in theory. After comparing the theoretical prediction results with the experimental findings and approximating the results obtained using the aforementioned method, the optimal relativ

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Little-Marenin, I. R., P. J. Benson, and D. Goodwin. "The Variability of Water Maser Emission Associated with Long Period Variable Stars." International Astronomical Union Colloquium 106 (1989): 404. http://dx.doi.org/10.1017/s0252921100063442.

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Since March 1988 we have monitored the 22.2 GHz H20 maser line of 12 long period variable stars (LPV) with the 37 m telescope at the Haystack Observatory. We include the two Carbon stars V778 Cyg and EU And. The maser flux from V778 Cyg has varied by at least a factor of 5 from its detection level of 1.9 Jy on 1987 March with a possible period of a year. Figure 1 plots the 22GHz flux as a function of Julian date. We do not yet know whether the period will repeat. V778 Cyg also has shown variations in the intensity (by a factor of - 2) on a time scale as short as 15 hours. The water maser flux

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Munari, U., A. Siviero, S. Dallaporta, G. Cherini, P. Valisa, and L. Tomasella. "An extensive optical study of V2491 Cyg (Nova Cyg 2008 N.2), from maximum brightness to return to quiescence." New Astronomy 16, no. 3 (2011): 209–19. http://dx.doi.org/10.1016/j.newast.2010.08.010.

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Zhang, Xian, Jiajia Ge, Xuejuan Zhu, et al. "Effects and Mechanism of Oxymatrine Combined with Compound Yinchen Granules on the Apoptosis of Hepatocytes through the Akt/FoxO3a/Bim Pathway." BioMed Research International 2022 (January 6, 2022): 1–11. http://dx.doi.org/10.1155/2022/8644356.

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The aim of the present study was to investigate the effects and mechanism of oxymatrine (OMT) combined with compound yinchen granules (CYG) on the apoptosis of hepatocytes through the Akt/FoxO3a/Bim pathway in rats with acute liver failure. The rat model of acute liver failure was established using lipopolysaccharide/D-galactosamine (LPS/D-GalN). The expression of proteins in rat liver tissues was detected by western blot analysis. The mRNA expression of FoxO3a, Bim, Bax, Bcl-2, and caspase-3 in rat liver tissues was detected by RT-qPCR. The apoptosis rate of rat hepatocytes was determined by

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Hubrig, Swetlana, Alexander F. Kholtygin, Lara Sidoli, Markus Schöller, and Silva P. Järvinen. "Studying the presence of magnetic fields in a sample of high-mass X-ray binaries." Proceedings of the International Astronomical Union 14, S346 (2018): 40–44. http://dx.doi.org/10.1017/s1743921318007585.

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AbstractPrevious circular polarization observations obtained with the ESO FOcal Reducer low dispersion spectrograpgh at the VLT in 2007–2008 revealed the presence of a weak longitudinal magnetic field on the surface of the optical component of the X-ray binary Cyg X-1, which contains a black hole and an O9.7Iab supergiant on a 5.6 d orbit. In this contribution we report on recently acquired FORS 2 spectropolarimetric observations of Cyg X-1 along with measurements of a few additional high-mass X-ray binaries.

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Seward, F. D., and R. K. Smith. "AZIMUTHAL STRUCTURE OF THE Cyg X-2 X-RAY DUST HALO." Astrophysical Journal 769, no. 1 (2013): 17. http://dx.doi.org/10.1088/0004-637x/769/1/17.

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Casares, J., J. I. González Hernández, G. Israelian, and R. Rebolo. "On the mass of the neutron star in Cyg X-2." Monthly Notices of the Royal Astronomical Society 401, no. 4 (2010): 2517–20. http://dx.doi.org/10.1111/j.1365-2966.2009.15828.x.

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Gredel, R., J. H. Black, and M. Yan. "Interstellar C$_\mathsf{2}$ and CN toward the Cyg OB2 association." Astronomy & Astrophysics 375, no. 2 (2001): 553–65. http://dx.doi.org/10.1051/0004-6361:20010769.

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Chiappetti, L., A. L. Ciapi, L. Maraschi, L. Stella, E. G. Tanzi, and A. Treves. "EXOSAT Medium Energy Observations of CYG X-2 Spectra and QPOs." International Astronomical Union Colloquium 93 (1987): 691–95. http://dx.doi.org/10.1017/s025292110010555x.

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AbstractHe report on a series of observations of Cyg X-2 obtained with EXOSAT in September 1983 at five phases in a single orbital cycle (P = 9.8 days, see Cowley et al. 1979). Here we present spectral data obtained with the Argon counters of the Medium. Energy experiment (HE) (see Turner et al. 1981), together with the search of Quasi Periodic Oscillations (QPOs) in high tine resolution data.

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Li, Z. B., L. M. Song, J. L. Qu, Y. J. Lei, J. Y. Nie, and C. M. Zhang. "The rms–flux relations in different branches in Cyg X-2." Astrophysics and Space Science 341, no. 2 (2012): 383–93. http://dx.doi.org/10.1007/s10509-012-1086-6.

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Balman, Ş., A. Yılmaz, A. Retter, T. Saygaç, and H. Esenoglu. "Discovery of irradiation-induced variations in the light curve of the classical nova V2275 Cyg (N Cyg 2001 No. 2)." Monthly Notices of the Royal Astronomical Society 356, no. 2 (2005): 773–77. http://dx.doi.org/10.1111/j.1365-2966.2004.08509.x.

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Schulz, A., J. K. Black, and C. J. Lada. "V645 Cyg - On the structure of a YSO." Symposium - International Astronomical Union 122 (1987): 85–86. http://dx.doi.org/10.1017/s0074180900156025.

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Parikh AP, S. K., S. N. Shukla, P. M. Shah, et al. "Imatinib mesylate in the treatment of paediatric chronic myeloid leukaemia (CML): A study of 30 cases from a regional cancer centre in western India." Journal of Clinical Oncology 25, no. 18_suppl (2007): 20021. http://dx.doi.org/10.1200/jco.2007.25.18_suppl.20021.

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20021 Background: CML is a very rare disease in childhood. There are scant data available concerning the use of Imatinib in the paediatric patients. Methods: Thirty cases of paediatric CML (25 males, 5 females; median age-11, range: 4–14 years, 23 Interferon naive, 1 interferon resistant) during the period of September 2003 to October 2006 were analyzed. Results: There were 28 patients in chronic phase (CP), 1 accelerated phase (AP) and 1 with blast crisis (BC). All patients were Philadelphia positive (Ph+) (20 by G-banding, 10 by fluorescence in situ hybridization [FISH]) and treated with ima

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Hasinger, G., A. Langmeier, M. Sztajno, J. Trümper, W. H. G. Lewin, and N. E. White. "Quasi-periodic oscillations in the X-ray flux of Cyg X-2." Nature 319, no. 6053 (1986): 469–71. http://dx.doi.org/10.1038/319469a0.

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Devasia, Jincy, Gayathri Raman, and Biswajit Paul. "Thermonuclear X-ray bursts detected in Cyg X-2 using AstroSat/LAXPC." New Astronomy 83 (February 2021): 101479. http://dx.doi.org/10.1016/j.newast.2020.101479.

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Dubus, G., B. Kern, A. A. Esin, R. E. Rutledge, and C. Martin. "Simultaneous optical and X-ray high-speed photometry of Cyg X-2." Monthly Notices of the Royal Astronomical Society 347, no. 4 (2004): 1217–23. http://dx.doi.org/10.1111/j.1365-2966.2004.07297.x.

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Li, ZhiBing, YaJuan Lei, JinLu Qu, Shu Zhang, and LiMing Song. "The rms-flux relation of Cyg X-2 in the horizontal branch." Science China Physics, Mechanics and Astronomy 53, S1 (2010): 86–90. http://dx.doi.org/10.1007/s11433-010-0007-3.

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Cho, Se-Hyung. "Observations of SiO J=2–1 and J=3–2 masers towards evolved stars with the TRAO 14 m telescope." Proceedings of the International Astronomical Union 3, S242 (2007): 314–15. http://dx.doi.org/10.1017/s1743921307013191.

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AbstractWe present the results of survey and time-monitoring observations of SiO J=2–1 and J=3–2 masers towards evolved stars with the 14 m radio telescope at Taeduk Radio Astronomy Observatory (TRAO) from 1995 February to 2001 February. The first detection of SiO v=3, J=2–1 maser emission toward S-type Mira variable χ Cyg is also presented.

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Mikailov, Kh M., A. B. Rustamova, I. A. Alekberov, and B. N. Rustamov. "ACTIVE STAGE OF THE SYMBIOTIC STAR CH CYG IN 2015." Odessa Astronomical Publications 37 (November 27, 2024): 42–46. https://doi.org/10.18524/1810-4215.2024.37.313720.

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Symbiotic star CH Cyg is very different from other members of this group by the behavior of its photometric and spectral parameters. CH Cyg also belongs to a small subgroup of symbiotic stars in spectra where the high velocity absorption components have been observed – so called “Jet Absorption Structures” in the Hydrogen lines from the Balmer series. In this paper, the behavior of these jet absorption structures in Hα and Hβ lines in the spectrum of the symbiotic star CH Cyg during 18 nights from July to September of the year 2015 is described. Spectra has been obtained at the Cassegrain focu

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Wardaya, Wardaya, Dewi Sukmawati, Nurhadi Ibrahim та ін. "Intermittent Exposure to Hypobaric Hypoxia Increases VEGF, HIF-1α, and Nrf-2 Expressions in Brain Tissue". Indonesian Biomedical Journal 17, № 2 (2025): 197–206. https://doi.org/10.18585/inabj.v17i2.3519.

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BACKGROUND: Hypoxia inducible factor-1α (HIF-1α), nuclear factor erythroid 2-related factor 2 (Nrf-2), and vascular endothelial growth factor (VEGF), play a crucial role as neuroprotective factors. Currently, there is a lack of studies examining the biomolecular responses of the brain to intermittent hypoxia resulting from various pressures. This study was conducted to investigate the physiological responses, histopathological features, and cellular adaptive responses in the brains of rats that were intermittently exposed to hypobaric hypoxic conditions.METHODS: Thirty male Sprague Dawley rats

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Sun, Bangzheng, Marina Orio, Andrej Dobrotka, Gerardo Juan Manuel Luna, Sergey Shugarov, and Polina Zemko. "X-ray spectra and light curves of cooling novae and a nova like." Monthly Notices of the Royal Astronomical Society 499, no. 2 (2020): 3006–18. http://dx.doi.org/10.1093/mnras/staa3012.

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ABSTRACT We present X-ray observations of novae V2491 Cyg and KT Eri about 9 yr post-outburst of the dwarf nova and post-nova candidate EY Cyg, and of a VY Scl variable. The first three objects were observed with XMM–Newton, KT Eri also with the Chandra ACIS-S camera, V794 Aql with the Chandra ACIS-S camera and High Energy Transmission Gratings. The two recent novae, similar in outburst amplitude and light curve, appear very different at quiescence. Assuming half of the gravitational energy is irradiated in X-rays, V2491 Cyg is accreting at $\dot{m}=1.4\times 10^{-9}{\!-\!}10^{-8}\,{\rm M}_\od

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Iyudin, A. F. "Comptel Observations of X-Ray Binaries." International Astronomical Union Colloquium 158 (1996): 277–78. http://dx.doi.org/10.1017/s0252921100038859.

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The COMPTEL experiment on the Compton Gamma-Ray Observatory measures γ–radiation in the energy range from 0.75 to 30 MeV [10]. X-ray binaries form one category of potential γ-ray sources. Up to now only two X-ray binaries, Cyg X-l and Nova Per, have been seen by COMPTEL.Cyg X-l. Preliminary results were reported by [6] and indicate that (i) there was no evidence for any hardening of the spectrum near lMeV, (ii) the plasma temperature suggested by a Wien spectral model was much higher than that implied by hard X-ray observations. This latter conclusion seems to require a revision in the standar

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Atri, P., S. E. Motta, J. van den Eijnden, et al. "Quantifying jet–interstellar medium interactions in Cyg X-1: Insights from dual-frequency bow shock detection with MeerKAT." Astronomy & Astrophysics 696 (April 2025): A223. https://doi.org/10.1051/0004-6361/202452837.

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Context. Accretion and outflows are astrophysical phenomena observed across a wide range of objects, from white dwarfs to supermassive black holes. Developing a complete picture of these processes requires complementary studies across this full spectrum of jet-launching sources. Jet–interstellar medium (ISM) interaction sites near black hole X-ray binaries provide unique laboratories that provide insights into the energetics of the jets launched from stellar-mass black holes. Aims. This work aims to detect and characterise the bow shock near one black hole X-ray binary, Cyg X-1, and then use t

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Sarsanti, Pungguri Ayu Nega, Mohamad Sadikin, and Sri Widia Azraki Jusman. "Efforts to overcome hypoxia condition in Balb/c mouse macrophages after intraperitoneal SRBC immunization." Medical Journal of Indonesia 28, no. 1 (2019): 14–20. http://dx.doi.org/10.13181/mji.v28i1.1961.

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BACKGROUND Activated macrophages require increased oxygen to destroy foreign bodies, leading to an increase in the levels of reactive oxygen species (ROS). Therefore, macrophages would experience hypoxic and oxidative stress conditions at the same time. Thus, this study was aimed to evaluate the mechanism of the activated macrophages to overcoming this dual condition.METHODS The activated macrophages were harvested from the intraperitoneal cavities of 18 BALB/c mice immunized with 2% sheep red blood cells (SRBCs). The macrophage suspension was divided into four groups: control, 24, 48, and 72

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Zwaan, Christian M., M. L. den Boer, H. B. Beverloo, et al. "Dasatinib (SPRYCEL®) in Children and Adolescents with Relapsed or Refractory Leukemia: Preliminary Results of the CA180018 Phase I/II Study from the ITCC Consortium." Blood 110, no. 11 (2007): 1049. http://dx.doi.org/10.1182/blood.v110.11.1049.1049.

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Abstract Outcome for children with relapsed/refractory leukemia is unsatisfactory. Dasatinib is a novel oral kinase inhibitor of BCR-ABL, KIT, and SRC family kinases. Recently, approval was granted for adult CML and Ph+ ALL with resistance to prior therapy. CA180018, the 1st trial evaluating dasatinib in children (age 1–20 yrs) and conducted in 12 centres from the ITCC Consortium, is a phase I/II dose-finding study in patients (pts) with either imatinib resistant/intolerant CML, relapsed/refractory Ph+ or Ph− ALL, or AML in 2nd or greater relapse. The starting dose was 60 mg/m2 QD; intra-pt do

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Steiner, James F., Edward Nathan, Kun Hu, et al. "An IXPE-led X-Ray Spectropolarimetric Campaign on the Soft State of Cygnus X-1: X-Ray Polarimetric Evidence for Strong Gravitational Lensing." Astrophysical Journal Letters 969, no. 2 (2024): L30. http://dx.doi.org/10.3847/2041-8213/ad58e4.

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Abstract We present the first X-ray spectropolarimetric results for Cygnus X-1 in its soft state from a campaign of five IXPE observations conducted during 2023 May–June. Companion multiwavelength data during the campaign are likewise shown. The 2–8 keV X-rays exhibit a net polarization degree PD = 1.99% ± 0.13% (68% confidence). The polarization signal is found to increase with energy across the Imaging X-ray Polarimetry Explorer’s (IXPE) 2–8 keV bandpass. The polarized X-rays exhibit an energy-independent polarization angle of PA = −25.°7 ± 1.°8 east of north (68% confidence). This is consis

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