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Small L, Ma C, Shah M, Ramanathan S, Rasool N. Bilateral vision loss as the initial presentation for central nervous system involvement of mantle cell lymphoma: A case series. Am J Ophthalmol Case Rep 2021; 23:101131. [PMID: 34151045 PMCID: PMC8192816 DOI: 10.1016/j.ajoc.2021.101131] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 05/31/2021] [Indexed: 11/29/2022] Open
Abstract
Purpose Mantle cell lymphoma is a rare aggressive subtype of non-Hodgkins B cell lymphoma. It typically presents with asymptomatic monoclonal lymphocytosis, lymphadenopathy or bulky extranodal disease. Mantle cell lymphoma rarely affects the central nervous system. We present two cases in which vision loss was the initial symptom of central nervous system involvement by the malignancy. Observations Both patients initially received high dose intravenous steroids with notable improvement in their vision. Conclusions and importance Early detection and management of optic nerve infiltration by mantle cell lymphoma is essential as it improves visual outcomes and enables prompt management of the patient's systemic disease.
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Affiliation(s)
- L Small
- Department of Ophthalmology, University of California San Francisco, San Francisco, CA, USA
| | - C Ma
- Department of Ophthalmology, University of California San Francisco, San Francisco, CA, USA
| | - M Shah
- Department of Neurology, University of California San Francisco, San Francisco, CA, USA
| | - S Ramanathan
- Department of Ophthalmology, University of California San Francisco, San Francisco, CA, USA
| | - N Rasool
- Department of Ophthalmology, University of California San Francisco, San Francisco, CA, USA.,Department of Neurology, University of California San Francisco, San Francisco, CA, USA
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Sapienza L, Ning M, Georgeon L, McNew L, Jhingran A, De La Pena R, Rasool N, Gomes M, Baiocchi G, Abu-Isa E. Outcomes and Toxicity following Salvage Radiotherapy for Vaginal Relapse of Endometrial Cancer. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Rattan R, Dar S, Rasool N, Ali-Fehmi R, Giri S, Munkarah A. Depletion of immunosuppressive myeloid-derived suppressor cells impedes ovarian cancer growth. Gynecol Oncol 2017. [DOI: 10.1016/j.ygyno.2017.03.491] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Al Feghali K, Rasool N, Burmeister C, Elshaikh M. Predictive capacity of 3 comorbidity indices in estimating survival endpoints in women with early-stage endometrial carcinoma. Gynecol Oncol 2016. [DOI: 10.1016/j.ygyno.2016.04.205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Jaber S, Hensley Alford S, Munkarah A, Rasool N. Ovarian cancer in elderly women ≥ 70 years of age: Our clinical experience. Gynecol Oncol 2016. [DOI: 10.1016/j.ygyno.2016.04.178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Vance S, Burmeister C, Rasool N, Buekers T, Elshaikh M. Salvage Versus Adjuvant Radiation Treatment for Women With Early-Stage Endometrial Carcinoma: A Matched Analysis. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Rasool N, Buekers T, Hanna R, Munkarah A, Hensley Alford S. Factors affecting ovarian cancer treatment in the octogenarian patient population. Gynecol Oncol 2015. [DOI: 10.1016/j.ygyno.2015.01.469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Rattan R, Chhina J, Dar S, Hensley Alford S, Deshpande M, Rasool N, Giri S, Munkarah A. Heterogeneity of energy dynamics in ovarian cancer cell lines. Gynecol Oncol 2015. [DOI: 10.1016/j.ygyno.2015.01.286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Vance S, Rasool N, Mahan M, Elshaikh M. Failure Patterns of Type II Endometrial Cancer With and Without Adjuvant RT. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.1527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Rasool N, Talukdar S, Wang Y, Hanna R, Buekers T, Munkarah A, Alford S. Nanoparticle albumin-bound (nab) paclitaxel therapy in patients with primary and recurrent ovarian, fallopian tube, and primary peritoneal carcinoma. Gynecol Oncol 2014. [DOI: 10.1016/j.ygyno.2014.03.192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Yechieli R, Rasool N, Cogan C, Elshaikh M. Adjuvant Radiation Therapy for Patients With Type 2 Endometrial Carcinoma: Impact on Tumor Recurrence and Survival. Int J Radiat Oncol Biol Phys 2012. [DOI: 10.1016/j.ijrobp.2012.07.1203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Rasool N, Yechieli R, Robbins J, Cogan C, Elshaikh M. The impact of adjuvant therapy on tumor recurrence and survival of surgically staged patients with type II endometrial carcinoma: A single institution experience. Gynecol Oncol 2012. [DOI: 10.1016/j.ygyno.2011.12.363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Laser B, Robbins J, Yechieli R, Fatteh S, Rasool N, Mahan M, Munkarah A, Elshaikh M. Time to Recurrence After Primary Treatment Predicts Survival of Patients with Stage I-II Endometrial Cancer. Int J Radiat Oncol Biol Phys 2011. [DOI: 10.1016/j.ijrobp.2011.06.1013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Nickles Fader A, Vaziri SA, Rasool N, Elson P, Faber PW, Biscotti C, Rojas-Espaillat L, Rose PG, Belinson J, Ganapathi R. CCL2 expression in ovarian carcinoma is associated with chemotherapy response and survival but not with the -2518 A/A polymorphism. J Clin Oncol 2008. [DOI: 10.1200/jco.2008.26.15_suppl.16509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Simpkins FA, Devoogdt NM, Rasool N, Tchabo NE, Alejandro EU, Kamrava MM, Kohn EC. The alarm anti-protease, secretory leukocyte protease inhibitor, is a proliferation and survival factor for ovarian cancer cells. Carcinogenesis 2007; 29:466-72. [DOI: 10.1093/carcin/bgm212] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Abstract
The phytochemical investigation of the n-butanol soluble fraction of the bark of stem of Symplocos racemosa Roxb. yielded two new phenolic glycosides of salirepin series, symplocuronic acid (1) and sympocemoside (2), while salirepin (3) was isolated for the first time from this plant. The structures of the new compounds were identified by 1D and 2D NMR techniques along with other spectral evidences and by comparison with the published data of closely related compounds.
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Affiliation(s)
- V U Ahmad
- H.E.J. Research Institute of Chemistry, International Centre for Chemical Sciences, University of Karachi, Karachi 75270, Pakistan.
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Abstract
Conflicting results have been reported regarding the role of carbohydrate on human immunodeficiency virus (HIV) envelope glycoprotein gp120 in CD4 receptor binding. Glycosylated, deglycosylated, and nonglycosylated forms of HIV type 1 (HIV-1) and HIV-2 gp120s were used to examine CD4 receptor-binding activity. Nonglycosylated forms of gp120 generated either by deletion of the signal sequence of HIV-1 gp120 or by synthesis in the presence of tunicamycin failed to bind to CD4. In contrast, highly mannosylated gp120 bound to soluble CD4 molecules well. Enzymatic removal of carbohydrate chains from glycosylated gp120 by endoglycosidase H or an endoglycosidase F/N glycanase mixture had no effect on the ability of gp120 to bind CD4. An experiment which measured the ability of gp120 to bind to CD4 as an assay of the proper conformation of gp120 showed that carbohydrate chains on gp120 are not required for the interaction between gp120 and CD4 but that N-linked glycosylation is essential for generation of the proper conformation of gp120 to provide a CD4-binding site.
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Affiliation(s)
- Y Li
- Department of Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ontario, Canada
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Abstract
The use of high-dose lidocaine for cerebral protection during ischemia has produced varied results. Our study uses a new, single carotid artery preparation in the rabbit to produce incomplete global ischemia by graded carotid occlusion; specific electroencephalographic changes are used as the end point for the extent of blood flow reduction sustained during 20 minutes. We monitored arterial pressure, intracranial pressure, and internal carotid blood flow that were recorded with an electromagnetic flowmeter after surgical ligation of the opposite internal and the two vertebral arteries, and we studied the electroencephalogram and somatosensory-evoked potentials elicited by stimulation of the sciatic nerve. Low-dose lidocaine (0.2 mg/kg/min) infused throughout the experiment significantly accelerated the time course of the return of electroencephalographic and evoked-potential amplitudes toward control. Deep halothane anesthesia alone elicited the slowest recovery, suggesting that the action of lidocaine was independent of its general anesthetic effect. There were very small differences among the groups in the measured arterial pressure, intracranial pressure, and cerebral blood flow, suggesting that lidocaine changed recovery rate without markedly modifying any characteristic of the postischemic cerebral perfusion. The protective effect of lidocaine may be the result of a specific blockade of Na+ channels or a decrease in excitatory neurotransmitter release, either of which would cause a delay in the onset of the events that lead to neuronal damage during ischemia.
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Affiliation(s)
- N Rasool
- Department of Anesthesiology and Physiology, University of California, Los Angeles 90024
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Abstract
An analysis of rotavirus electropherotypes circulating in Kuala Lumpur, Malaysia, over 7 years showed that all except 1 of the 360 electropherotypes encountered were characteristic of group A rotaviruses. The long electropherotype predominated annually, and there was a rarity of short electropherotypes. Extensive genome variability and cocirculation of different electropherotypes were observed annually. A sequential appearance of the predominant electropherotype was observed in all years of the study, except for 1985 and 1988, when one electropherotype predominated throughout the study periods. There was no shift in the predominant electropherotype over a 6-year period.
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Affiliation(s)
- N Rasool
- Department of Genetics and Cellular Biology, University of Malaya, Kuala Lumpur
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Rasool N, Pringle CR. Effect of melittin on transcription by vesiculovirus mutant and wild-type viruses. Intervirology 1987; 27:166-71. [PMID: 2822606 DOI: 10.1159/000149736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
The bee venom peptide melittin activated the virion transcriptase activity of three vesiculoviruses with preservation of virion structure. The kinetics of RNA synthesis were similar to those observed with purified transcribing nucleoprotein (TNP) preparations. Six temperature-sensitive host range (tdCE) mutants of Chandipura virus displayed 1.7- to 5.5-fold greater efficiencies of transcription at 39 degrees with melittin-permeabilized virions in comparison with TNP preparations. Comparative study of other host range mutants (tdCE3) and tsB1) of vesicular stomatitis virus (VSV) New Jersey and a thermosensitive polymerase mutant (tsG114) of VSV Indiana suggested that the enhanced transcription at 39 degrees associated with melittin-activated tdCE mutants was due to the retention of host factors in the virions.
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Affiliation(s)
- N Rasool
- MRC Virology Unit, Institute of Virology, Glasgow, UK
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Abstract
Ten of 12 Chandipura virus tdCE mutants, which exhibit temperature-dependent restriction of growth in chick embryo (CE) cells but not in BS-C-1 cells, showed deficient transcriptase activity in vitro at 39 degrees C relative to wild-type virus. A gradation in transcriptional activity at 39 degrees C in vitro was observed. Reversion of the tdCE phenotype to unrestricted growth in CE cells at 39 degrees C was accompanied by partial restoration of normal transcriptase activity at 39 degrees C, suggesting that reversion was mediated by either extragenic or intragenic suppression. Viral protein synthesis was reduced or absent in CE cells at 39 degrees C indicating that transcription was also defective in vivo under these conditions. Induction of heat-shock proteins in CE cells at 39 degrees C occurred normally in tdCE mutant-infected cells and RNA methylation in vitro was unaffected.
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