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Chirag Patel

Caroline Bachmeier, Chirag Patel, Peter Kanowski, Kunwarjit Sangla
Primary hyperparathyroidism (PH) is a common endocrine abnormality and may occur as part of a genetic syndrome. Inactivating mutations of the tumour suppressor gene CDC73 have been identified as accounting for a large percentage of hyperparathyroidism-jaw tumour syndrome (HPT-JT) cases and to a lesser degree account for familial isolated hyperparathyroidism (FIHP) cases. Reports of CDC73 whole gene deletions are exceedingly rare. We report the case of a 39 year-old woman with PH secondary to a parathyroid adenoma associated with a large chromosomal deletion (2...
2018: Endocrinology, Diabetes & Metabolism Case Reports
Mohammad A Hossain, Amy Quinlan, Jennifer Heck-Kanellidis, Dawn Calderon, Tejas Patel, Bhavika Gandhi, Shrinil Patel, Mahida Hetavi, Eric J Costanzo, James Cosentino, Chirag Patel, Asa Dewan, Yen-Hong Kuo, Loay Salman, Tushar J Vachharajani
BACKGROUND: While transradial approach to conduct percutaneous coronary interventions offers multiple advantages, the procedure can cause radial artery damage and occlusion. Because radial artery is the preferred site for the creation of an arteriovenous fistula to provide dialysis, patients with chronic kidney disease are particularly dependent on radial artery for their long-term survival. METHODS: In this retrospective study, we investigated the prevalence of chronic kidney disease in patients undergoing coronary interventions via radial artery...
March 1, 2018: Journal of Vascular Access
Avishek Banik, Pooja Pandya, Bhoomi Patel, Chirag Rathod, Maya Dangar
The use of plant associated, indigenous beneficial microbes for sustainable agriculture is getting worldwide acceptance as they successfully colonize at different plant niche under stress conditions to enhance the crop productivity. They also generate several plant growth regulators and protect plants from adversity like presence of salts and metals. In the present study, indigenous, halotolerant, plant growth promoting (PGP) bacterial isolates were isolated from the saline rhizospheric soil of groundnut plants aiming to investigate its in-vitro metal remediation capabilities under saline stress condition...
February 23, 2018: Science of the Total Environment
Kathleen N Moore, Todd M Bauer, Gerald S Falchook, Swapan Chowdhury, Chirag Patel, Rachel Neuwirth, Aaron Enke, Fabian Zohren, Manish R Patel
Background: Sapanisertib (TAK-228) is an investigational, orally available, potent and highly selective mTORC1/2 inhibitor demonstrating promise in numerous malignancies. This phase I study (NCT02412722) evaluated the safety, tolerability, pharmacokinetics and antitumour activity of single-agent TAK-228 (milled capsules), administered daily (QD) or weekly (QW) and in combination with paclitaxel in patients with advanced solid tumours. Pharmacokinetic comparisons of milled versus unmilled TAK-228 and the impact of food were also investigated...
2018: ESMO Open
Ngoc Minh Phuong Nguyen, Yassemine Khawajkie, Nawel Mechtouf, Maryam Rezaei, Magali Breguet, Elvira Kurvinen, Sujatha Jagadeesh, Asli Ece Solmaz, Monica Aguinaga, Reda Hemida, Mehmet Ibrahim Harma, Cécile Rittore, Kurosh Rahimi, Jocelyne Arseneau, Karine Hovanes, Ronald Clisham, Tiffanee Lenzi, Bonnie Scurry, Marie-Claude Addor, Rashmi Bagga, Genevieve Girardet Nendaz, Vildana Finci, Gemma Poke, Leslie Grimes, Nerine Gregersen, Kayla York, Pierre-Adrien Bolze, Chirag Patel, Hossein Mozdarani, Jacques Puechberty, Jessica Scotchie, Majid Fardaei, Muge Harma, R J McKinlay Gardner, Trilochan Sahoo, Tracy Dudding-Byth, Radhika Srinivasan, Philippe Sauthier, Rima Slim
Hydatidiform mole is an aberrant human pregnancy characterized by early embryonic arrest and excessive trophoblastic proliferation. Recurrent hydatidiform moles are defined by the occurrence of at least two hydatidiform moles in the same patient. Fifty to eighty percent of patients with recurrent hydatidiform moles have biallelic pathogenic variants in NLRP7 or KHDC3L. However, in the remaining patients, the genotypic types of the moles are unknown. We characterized 80 new hydatidiform mole tissues, 57 of which were from patients with no mutations in the known genes, and we reviewed the genotypes of a total of 123 molar tissues...
February 20, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
Mohammad A Hossain, Eric Costanzo, James Cosentino, Chirag Patel, Huzaif Qaisar, Vikas Singh, Taimoor Khan, Jennifer S Cheng, Arif Asif, Tushar J Vachharajani
Contrast-induced acute kidney injury is a common iatrogenic complication associated with increased health resource utilization and adverse outcomes, including short- and long-term mortality and accelerated progression of preexisting renal insufficiency. The incidence of contrast-induced nephropathy (CIN) has been reported to range from 0% to 24%. This wide range reported by the studies is due to differences in definition, background risk factors, type and dose of contrast medium used, and the frequency of other coexisting potential causes of acute renal failure...
January 2018: Saudi Journal of Kidney Diseases and Transplantation
Stephen J Johans, Kevin N Swong, Daniel J Burkett, Michael P Wemhoff, Sean M Lew, Chirag R Patel, Anand V Germanwala
Superficial siderosis (SS) of the CNS is a rare and often unrecognized condition. Caused by hemosiderin deposition from chronic, repetitive hemorrhage in the subarachnoid space, it results in parenchymal damage in the subpial layers of the brain and spinal cord. T2-weighted MRI shows the characteristic hypointensity of hemosiderin deposition, classically occurring around the cerebellum, brainstem, and spinal cord. Patients present with progressive gait ataxia and sensorineural hearing impairment. Although there have been several studies, case reports, and review articles over the years, the clear pathophysiology of subarachnoid space hemorrhage remains to be elucidated...
February 16, 2018: Journal of Neurosurgery. Pediatrics
Neeraj Gupta, Michael J Hanley, Paul M Diderichsen, Huyuan Yang, Alice Ke, Zhaoyang Teng, Richard Labotka, Deborah Berg, Chirag Patel, Guohui Liu, Helgi van de Velde, Karthik Venkatakrishnan
No abstract text is available yet for this article.
February 15, 2018: Clinical Pharmacology and Therapeutics
Chirag J Patel, Jay Bhattacharya, John P A Ioannidis, Eran Bendavid
OBJECTIVE: Better identification of at-risk groups could benefit HIV-1 care programmes. We systematically identified HIV-1 risk factors in two nationally representative cohorts of women in the Demographic and Health Surveys. METHODS: We identified and replicated the association of 1415 social, economic, environmental, and behavioral factors with HIV-1 status. We used the 2007 and 2013-2014 surveys conducted among 5715 and 15 433 Zambian women, respectively (688 shared factors)...
February 8, 2018: AIDS
Alexey Glazyrin, Chirag Patel, Lara Kujtan, Sheshadri Madhusudhana
Low-grade follicular lymphomas are genetically characterized by the translocation t(14; 18)(q32;q21) with BCL2 gene rearrangements. Marginal zone lymphomas are often associated with translocations or transcriptional deregulations of the MALT gene. We report 2 cases of lymphomas which harbor both the t(14;18)(q32;q21) translocation and MALT gene upregulation. Patients presented with numerous circulating atypical lymphocytes. Lymph node biopsy in both cases on HE staining demonstrated vague nodularity readily highlighted by CD10, CD23, or BCL6...
February 6, 2018: Acta Haematologica
Kushani Jayasinghe, Cathy Quinlan, Zornitza Stark, Chirag Patel, Matthew G Sampson, Moin Saleem, Andrew J Mallett
The 2017 KidGen Renal Genetics Symposium was held at the Royal Children's Hospital and Murdoch Children's Research Institute, Melbourne, from 6 to 8 December 2017. This meeting addressed clinical, diagnostic, and research aspects of inherited kidney disease. More than 100 clinicians, researchers, and patient representatives attended the conference. The overall goal was to improve the understanding and direction of genomics in renal medicine in Australia and discuss barriers to the use of genomic testing within this area...
January 30, 2018: Human Genomics
Janine Doughty, Nahush Shah, Andrea Johnson, Anna Tatari, Chirag Kothari, Rima Patel, Adam Newman, Amrita Rai, Rahail Kumar
No abstract text is available yet for this article.
January 26, 2018: British Dental Journal
Andrew E Fry, Katherine A Fawcett, Nathanel Zelnik, Hongjie Yuan, Belinda A N Thompson, Lilach Shemer-Meiri, Thomas D Cushion, Hood Mugalaasi, David Sims, Neil Stoodley, Seo-Kyung Chung, Mark I Rees, Chirag V Patel, Louise A Brueton, Valérie Layet, Fabienne Giuliano, Michael P Kerr, Ehud Banne, Vardiella Meiner, Tally Lerman-Sagie, Katherine L Helbig, Laura H Kofman, Kristin M Knight, Wenjuan Chen, Varun Kannan, Chun Hu, Hirofumi Kusumoto, Jin Zhang, Sharon A Swanger, Gil H Shaulsky, Ghayda M Mirzaa, Alison M Muir, Heather C Mefford, William B Dobyns, Amanda B Mackenzie, Jonathan G L Mullins, Johannes R Lemke, Nadia Bahi-Buisson, Stephen F Traynelis, Heledd F Iago, Daniela T Pilz
Polymicrogyria is a malformation of cortical development. The aetiology of polymicrogyria remains poorly understood. Using whole-exome sequencing we found de novo heterozygous missense GRIN1 mutations in 2 of 57 parent-offspring trios with polymicrogyria. We found nine further de novo missense GRIN1 mutations in additional cortical malformation patients. Shared features in the patients were extensive bilateral polymicrogyria associated with severe developmental delay, postnatal microcephaly, cortical visual impairment and intractable epilepsy...
January 22, 2018: Brain: a Journal of Neurology
Chirag B Patel
No abstract text is available yet for this article.
January 16, 2018: Academic Medicine: Journal of the Association of American Medical Colleges
Arutselvan Natarajan, Chirag B Patel, Frezghi Habte, Sanjiv S Gambhir
The immune checkpoint programmed death 1 receptor (PD-1) expressed on some tumor-infiltrating lymphocytes, and its ligand (PD-L1) expressed on tumor cells, enable cancers to evade the immune system. Blocking PD-1 with the monoclonal antibody pembrolizumab is a promising immunotherapy strategy. Thus, noninvasively quantifying the presence of PD-1 expression in the tumor microenvironment prior to initiation of immune checkpoint blockade may identify the patients likely to respond to therapy. We have developed a 64Cu-pembrolizumab radiotracer and evaluated human dosimetry...
January 12, 2018: Scientific Reports
Mohamad Shebley, Punam Sandhu, Arian Emami Riedmaier, Masoud Jamei, Rangaraj Narayanan, Aarti Patel, Sheila Annie Peters, Venkatesh Pilla Reddy, Ming Zheng, Loeckie de Zwart, Maud Beneton, Francois Bouzom, Jun Chen, Yuan Chen, Yumi Cleary, Christiane Collins, Gemma L Dickinson, Nassim Djebli, Heidi J Einolf, Iain Gardner, Felix Huth, Faraz Kazmi, Feras Khalil, Jing Lin, Aleksandrs Odinecs, Chirag Patel, Haojing Rong, Edgar Schuck, Pradeep Sharma, Shu-Pei Wu, Yang Xu, Shinji Yamazaki, Kenta Yoshida, Malcolm Rowland
This work provides a perspective on the qualification and verification of physiologically based pharmacokinetic (PBPK) platforms/models intended for regulatory submission based on the collective experience of the Simcyp Consortium members. Examples of regulatory submission of PBPK analyses across various intended applications are presented and discussed. European Medicines Agency (EMA) and US Food and Drug Administration (FDA) recent draft guidelines regarding PBPK analyses and reporting are encouraging, and to advance the use and acceptability of PBPK analyses, more clarity and flexibility are warranted...
January 9, 2018: Clinical Pharmacology and Therapeutics
Sivateja Tangirala, Chirag J Patel
While both genes and environment contribute to phenotype, deciphering environmental contributions to phenotype is a challenge. Furthermore, elucidating how different phenotypes may share similar environmental etiologies also is challenging. One way to identify environmental influences is through a discordant monozygotic (MZ) twin study design. Here, we assessed differential gene expression in MZ discordant twin pairs (affected vs. non-affected) for seven phenotypes, including chronic fatigue syndrome, obesity, ulcerative colitis, major depressive disorder, intermittent allergic rhinitis, physical activity, and intelligence quotient, comparing the spectrum of genes differentially expressed across seven phenotypes individually...
January 8, 2018: Scientific Reports
Supreet Singh, Chirag V Patel, Kamal Kishore
We present a case of acute endophthalmitis caused by Leuconostoc spp. following intravitreal bevacizumab injection. An 86-year-old immunocompetent female developed acute endophthalmitis after intravitreal injection of bevacizumab for neovascular age-related macular degeneration. The patient presented with pain, visual acuity of hand motions, hypopyon, and dense vitritis 96 h after treatment. She was treated with vitreous and anterior chamber tap followed by intravitreal injections of 1 mg vancomycin, 2.25 mg ceftazidime, and 400 μg dexamethasone...
September 2017: Case Reports in Ophthalmology
Chirag N Patel, John J Georrge, Krunal M Modi, Moksha B Narechania, Daxesh P Patel, Frank J Gonzalez, Himanshu A Pandya
Alzheimer's disease (AD) is one of the most significant neurodegenerative disorders and its symptoms mostly appear in aged people. Catechol-o-methyltransferase (COMT) is one of the known target enzymes responsible for AD. With the use of 23 known inhibitors of COMT, a query has been generated and validated by screening against the database of 1500 decoys to obtain the GH score and enrichment value. The crucial features of the known inhibitors were evaluated by the online ZINC Pharmer to identify new leads from a ZINC database...
December 27, 2017: Journal of Biomolecular Structure & Dynamics
Jacob M Luber, Braden T Tierney, Evan M Cofer, Chirag J Patel, Aleksandar D Kostic
Motivation: Across biology we are seeing rapid developments in scale of data production without a corresponding increase in data analysis capabilities. Results: Here, we present Aether (, an intuitive, easy-to-use, cost-effective, and scalable framework that uses linear programming (LP) to optimally bid on and deploy combinations of underutilized cloud computing resources. Our approach simultaneously minimizes the cost of data analysis and provides an easy transition from users' existing HPC pipelines...
December 8, 2017: Bioinformatics
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