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Journal articles on the topic 'Lacrimal pump'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 February 2022

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1

Ali, Mohammad Javed, Maximilian Zetzsche, Michael Scholz, Dieter Hahn, Simone Gaffling, Jens Heichel, Christian Manfred Hammer, Lars Bräuer, and Friedrich Paulsen. "New insights into the lacrimal pump." Ocular Surface 18, no. 4 (October 2020): 689–98. http://dx.doi.org/10.1016/j.jtos.2020.07.013.

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2

Bâră, Raluca Iustina, Liliana Mary Voinea, Alexandra Diana Vrapciu, and Mugurel Constantin Rusu. "Adding myofibroblasts to the lacrimal pump." Acta Histochemica 122, no. 4 (May 2020): 151536. http://dx.doi.org/10.1016/j.acthis.2020.151536.

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3

Madge, Simon N., Raman Malhotra, JeanLouis DeSousa, Alan McNab, Brett O'Donnell, Peter Dolman, and Dinesh Selva. "The Lacrimal Bypass Tube for Lacrimal Pump Failure Attributable to Facial Palsy." American Journal of Ophthalmology 149, no. 1 (January 2010): 155–59. http://dx.doi.org/10.1016/j.ajo.2009.08.012.

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4

Becker, Bruce B. "Tricompartment Model of the Lacrimal Pump Mechanism." Ophthalmology 99, no. 7 (July 1992): 1139–45. http://dx.doi.org/10.1016/s0161-6420(92)31839-1.

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5

Shams, Pari N., Randall E. Verdick, and Richard C. Allen. "In Vivo Demonstration of the Lacrimal Pump." Ophthalmic Plastic and Reconstructive Surgery 32, no. 1 (2016): e25. http://dx.doi.org/10.1097/iop.0000000000000497.

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6

Reifler, David M. "Early descriptions of Horner's muscle and the lacrimal pump." Survey of Ophthalmology 41, no. 2 (September 1996): 127–34. http://dx.doi.org/10.1016/s0039-6257(96)80002-6.

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7

Brewis, C., M. Yung, C. Merkonidis, and S. Hardman-Lea. "Endoscopic dacryocystorhinostomy in functional lacrimal obstruction." Journal of Laryngology & Otology 122, no. 9 (November 27, 2007): 921–23. http://dx.doi.org/10.1017/s0022215107001107.

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AbstractIntroduction:We performed endoscopic dacryocystorhinostomy in cases diagnosed with both anatomical and functional lacrimal obstruction, and here report results for the latter cases.Methods:Sixty-eight endoscopic dacryocystorhinostomies were performed for functional obstruction on 44 patients. The indication for surgery was epiphora in 66 patients and recurrent dacryocystitis in two. The minimum follow up was six months.Results:There was complete cure in 44 (65 per cent) patients, partial cure in nine (13 per cent) and no improvement in 15 (22 per cent). Revision surgery was performed in five of the 15 cases with no improvement, after which there was an overall complete cure in 47 patients (69 per cent), partial cure in 10 (15 per cent) and no improvement in 11 (16 per cent).Discussion:Endoscopic dacryocystorhinostomy is indicated in cases of epiphora with a diagnosis of functional lacrimal obstruction. Currently available investigations cannot reliably distinguish partial anatomical obstruction from pump failure.

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8

Pavlidis, Mitrofanis, Tobias Stupp, Ulrike Grenzebach, Holger Busse, and Solon Thanos. "Ultrasonic visualization of the effect of blinking on the lacrimal pump mechanism." Graefe's Archive for Clinical and Experimental Ophthalmology 243, no. 3 (September 29, 2004): 228–34. http://dx.doi.org/10.1007/s00417-004-1033-5.

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9

Dipolo, R., and A. Marty. "Measurement of Na-K pump current in acinar cells of rat lacrimal glands." Biophysical Journal 55, no. 3 (March 1989): 571–74. http://dx.doi.org/10.1016/s0006-3495(89)82850-4.

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10

Chak, Melanie, and Fiona Irvine. "Rectangular 3-snip Punctoplasty Outcomes: Preservation of the Lacrimal Pump in Punctoplasty Surgery." Ophthalmic Plastic & Reconstructive Surgery 25, no. 2 (March 2009): 134–35. http://dx.doi.org/10.1097/iop.0b013e3181994062.

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11

Bahmani Kashkouli, Mohsen, and Farzad Pakdel. "Re: “Rectangular 3-snip Punctoplasty Outcomes: Preservation of the Lacrimal Pump in Punctoplasty Surgery”." Ophthalmic Plastic & Reconstructive Surgery 26, no. 3 (May 2010): 221–22. http://dx.doi.org/10.1097/iop.0b013e3181be32c3.

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12

Chak, Melanie. "Reply re: “Rectangular 3 Snip Punctoplasty: Preservation of the Lacrimal Pump in Punctoplasty Surgery”." Ophthalmic Plastic & Reconstructive Surgery 26, no. 3 (May 2010): 222. http://dx.doi.org/10.1097/iop.0b013e3181be32db.

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13

Dietrich, Christoph, Torsten Mewes, Matthias Kühnemund, Basir Hashemi, Wolf J. Mann, and Ronald G. Amedee. "Long-Term Follow-Up of Patients with Microscopic Endonasal Dacryocystorhinostomy." American Journal of Rhinology 17, no. 1 (January 2003): 57–61. http://dx.doi.org/10.1177/194589240301700110.

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Background Stenosis of the nasolacrimal drainage system is a relatively frequent complication of acute or chronic inflammation, trauma, tumor, or congenital malformation. Symptoms include epiphora, intermittent purulent secretion, and swelling of the nasolacrimal sac. The principle of dacryocystorhinostomy (DCR) is to create an artificial opening of the lacrimal sac into the nasal cavity. This can be done via an external as well as an endonasal route. Methods In this retrospective study, we examined 74 microscopic endonasal DCRs, which were performed on 70 patients between 1990 and 2000. All of the 74 DCR operations had no major complications intraoperatively. Results Sixty DCR procedures (81.1%) were successful after a mean follow-up time of 3.18 years. This success rate is lower than those rates reported in the literature for the external approach, which range between 85 and 99%, although follow-up times were shorter in most of these studies. Conclusions Advantages of the endonasal approach such as saving the medial palpebral ligament, the lacrimal pump mechanism, and the horizontal apparatus are obvious. If necessary, additional management of sinus, septal, and conchal disease can be performed simultaneously. Our results reveal that the microscopic endonasal approach is a safe and reliable procedure in the management of postsaccular or saccular nasolacrimal duct obstruction and is an alternative to the traditional external route.

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14

Kwan, C. Y., H. Takemura, J. F. Obie, O. Thastrup, and J. W. Putney. "Effects of MeCh, thapsigargin, and La3+ on plasmalemmal and intracellular Ca2+ transport in lacrimal acinar cells." American Journal of Physiology-Cell Physiology 258, no. 6 (June 1, 1990): C1006—C1015. http://dx.doi.org/10.1152/ajpcell.1990.258.6.c1006.

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The Ca2(+)-mobilizing actions of the muscarinic receptor agonist, methacholine (MeCh), and the microsomal Ca2+ pump inhibitor, thapsigargin, were investigated in lacrimal acinar cells. As previously shown for parotid cells (J. Biol. Chem. 264: 12266-12271, 1989), thapsigargin activates both internal Ca2+ release and Ca2+ entry from the extracellular space without increasing cellular inositol phosphates. The inorganic Ca2+ antagonist La3+ inhibited MeCh- or thapsigargin-activated Ca2+ entry. However, when added before MeCh or thapsigargin, La3+ inhibited the extrusion of Ca2+ at the plasma membrane. This phenomenon was exploited in protocols designed to investigate the pathways for filling agonist-sensitive Ca2+ stores in lacrimal cells. The results show that, in contrast to previous suggestions that external Ca2+ is required to replenish agonist-regulated Ca2+ stores, the inhibition of Ca2+ extrusion permits recycling of Ca2+ released by MeCh back into an MeCh- and thapsigargin-sensitive pool. Thus, although extracellular Ca2+ is the major source for refilling the intracellular Ca2+ stores under physiological conditions, the pathway by which this Ca2+ enters the pool need not be a direct one. These results are consistent with the recently revised capacitative model for the refilling of intracellular Ca2+ stores through Ca2+ influx subsequent to Ca2+ depletion, according to which refilling of intracellular Ca2+ stores occurs via a cytoplasmic route rather than a direct channel between intracellular Ca2+ stores and the extracellular space.

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15

Kashyap, Aditya, Satisg Negi, Prem L. Chauhan, and Kuldeep Thakur. "Anatomical and Functional Evaluation of Conventional vs Inferior Endoscopic Dacryocystorhinostomy in Study Cases of Idiopathic Chronic Dacryocystitis." An International Journal Clinical Rhinology 10, no. 2 (June 24, 2017): 86–90. http://dx.doi.org/10.5005/jp-journals-10013-1314.

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ABSTRACT Objective To compare the results of conventional nasal endoscopic dacryocystorhinostomy (DCR) and inferior nasal endoscopic DCR in Study cases of idiopathic chronic dacryocystitis. Materials and methods Forty patients diagnosed with idiopathic chronic dacryocystitis were divided into two groups alternately. After relevant investigations, they were subjected for endoscopic DCR by two techniques. Twenty patients underwent conventional endoscopic DCR and 20 underwent inferior endoscopic DCR under transoral pterygopalatine block and topical lignocaine (4%) with adrenaline 1:2,000. After 3 months of follow-up in the outpatient department, nasal endoscopy along with fluorescein dye disappearance test (FDDT) at 10 minutes was done. Results Ninety-five percent (19/20) of patients undergoing conventional endoscopic DCR and 90% (18/20) of patients undergoing inferior endoscopic DCR were found to have patent anatomical fistula. On FDDT, nasal endoscopy after 10 minutes revealed 84% (16/19) in group I and 94.4% (17/18) in group II with fluorescein in nasal cavity. Conclusion Present study concludes the importance of bony, tendinous, and muscular support of lacrimal sac in physiological lacrimal pump functioning and advantage of relatively new technique of inferior endoscopic DCR. Inferior endoscopic DCR is associated with less operative time as well as less local complications. How to cite this article Thakur K, Kashyap A, Negi S, Chauhan PL. Anatomical and Functional Evaluation of Conventional vs Inferior Endoscopic Dacryocystorhinostomy in Study Cases of Idiopathic Chronic Dacryocystitis. Clin Rhinol An Int J 2017;10(2):86-90.

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16

Guercio, Brian, Kayvan Keyhani, and David A. Weinberg. "Snip Punctoplasty Offers Little Additive Benefit to Lower Eyelid Tightening in the Treatment of Pure Lacrimal Pump Failure." Orbit 26, no. 1 (January 2007): 15–18. http://dx.doi.org/10.1080/01676830600975164.

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17

Feijó, Eduardo Damous, Roberto Murillo Limongi, and Suzana Matayoshi. "Fluorescein transit test time as a tool to assess lacrimal pump function after diode laser transcanalicular dacryocystorhinostomy and external dacryocysto-rhinostomy." Rhinology journal 56, no. 3 (September 1, 2018): 274–78. http://dx.doi.org/10.4193/rhin17.254.

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18

Kotliarova, A. B., and V. V. Manko. "Cа2+ transporting systems in secretory cells of the rat exorbital lacrimal gland. І. Ca2+ pumps of plasma membrane and endoplasmic reticulum." Studia Biologica 6, no. 2 (2012): 99–114. http://dx.doi.org/10.30970/sbi.0602.232.

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19

Almássy, János, Gyula Diszházi, Marianna Skaliczki, Ildikó Márton, Zsuzsanna Édua Magyar, Péter P. Nánási, and David I. Yule. "Expression of BK channels and Na+-K+ pumps in the apical membrane of lacrimal acinar cells suggests a new molecular mechanism for primary tear-secretion." Ocular Surface 17, no. 2 (April 2019): 272–77. http://dx.doi.org/10.1016/j.jtos.2019.01.007.

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20

"Endoscopic Management of Pediatric Nasolacrimal Anomalies." An International Journal Clinical Rhinology 7, no. 1 (2014): 16–19. http://dx.doi.org/10.5005/jp-journals-10013-1183.

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ABSTRACT The nasolacrimal drainage system begins development in the third fetal months from a cord of epithelium found between the maxillary and frontal nasal recesses. Canalization of this cord along its entire length leads to its communication with the inferior nasal meatus by the sixth fetal month. Failure of canalization is the most common cause of nasolacrimal drainage obstruction use of endoscopes in children is evolving, may it be endoscopic DCR or other congenital problems. In spite of the smaller anatomic dimensions posing a technical challenge, the endonasal endoscopic approach to nasolacrimal obstruction in children not only avoids a scar, it preserves the function of the lacrimal pump also. How to cite this article Bansal S, Gupta AK. Endoscopic Management of Pediatric Nasolacrimal Anomalies. Clin Rhinol An Int J 2014;7(1):16-19.

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21

Cavaliere, Rosa Maria, Lucia Silvotti, Riccardo Percudani, and Roberto Tirindelli. "Female mouse tears contain an anti-aggression pheromone." Scientific Reports 10, no. 1 (February 13, 2020). http://dx.doi.org/10.1038/s41598-020-59293-9.

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Abstract Tears contain pheromones that trigger specific behavioral responses. In the mouse, male tear fluid is involved in long and short-term effects such as the receptive behavior and pregnancy block in females and the aggression in males. In contrast, pup tears exert an inhibitory effect on male mating behavior, also promoting sexual rejection in females. In the rat, a male lacrimal protein acts as an intraspecific and heterospecific signal enhancing sexual behavior in females and evoking avoidance behavior in mouse. However, behavioral effects of female tears on male behavior have yet to be described. Here, we report that female lacrimal fluid of different mouse strains contains a relatively small and involatile factor that abolishes inter-male aggression switching it into a copulatory behavior. The production of this molecule by the lacrimal glands is not affected by the estrous cycle but it is sensitive to ovariectomy, thus suggesting a control mediated by hormones. Moreover, this lacrimal anti-aggression pheromone modulates the activity of the lateral habenula, a brain area responsible for the valence of the aggressive interactions.

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22

Matsumura-Kawashima, Mayu, Kenichi Ogata, Masafumi Moriyama, Yuka Murakami, Tatsuya Kawado, and Seiji Nakamura. "Secreted factors from dental pulp stem cells improve Sjögren’s syndrome via regulatory T cell-mediated immunosuppression." Stem Cell Research & Therapy 12, no. 1 (March 16, 2021). http://dx.doi.org/10.1186/s13287-021-02236-6.

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Abstract Background Sjögren’s syndrome (SS) is a chronic autoimmune disease primarily characterized by inflammation in the salivary and lacrimal glands. Activated T cells contribute to disease pathogenesis by producing proinflammatory cytokines, which leads to a positive feedback loop establishment. The study aimed to evaluate the effects of secreted factors derived from dental pulp stem cells (DPSCs) or bone marrow mesenchymal stem cells (BMMSCs) on hyposalivation in SS and to investigate the mechanism involved. Methods Eighty percent confluent stem cells were replenished with serum-free Dulbecco’s modified Eagle’s medium and incubated for 48 h; following which, conditioned media from DPSCs (DPSC-CM) and BMMSCs (BMMSC-CM) were collected. Cytokine array analysis was performed to assess the types of cytokines present in the media. Flow cytometric analysis was performed to evaluate the number of activated T cells cultured in DPSC-CM or BMMSC-CM. Subsequently, DPSC-CM or BMMSC-CM was administered to an SS mouse model. The mice were categorized into the following groups (n = 6 each): non-treatment, Dulbecco’s modified Eagle’s medium (−), BMMSC-CM, and DPSC-CM. Histological analysis of the salivary glands was performed. The gene and protein expression levels of cytokines associated with T helper subsets in the submandibular glands (SMGs) were evaluated. Results DPSC-CM contained more secreted factors with tissue-regenerating mechanisms, such as cell proliferation, anti-inflammatory effects, and immunomodulatory effects. DPSC-CM was more effective in suppressing the activated T cells than other groups in the flow cytometric analysis. The stimulated salivary flow rate increased in SS mice with DPSC-CM compared with that in the other groups. In addition, the number of inflammation sites in SMGs of the mice administered with DPSC-CM was lower than that in the other groups. The expression levels of interleukin (Il)-10 and transforming growth factor-β1 were upregulated in the DPSC-CM group, whereas those of Il-4 and Il-17a were downregulated. The DPSC-CM-administered group presented with a significantly increased percentage of regulatory T (Treg) cells and a significantly decreased percentage of type 17 Th (Th17) cells compared with the other groups. Conclusions These results indicated that DPSC-CM ameliorated SS by promoting Treg cell differentiation and inhibiting Th17 cell differentiation in the mouse spleen.

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