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Chirag Patel

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https://www.readbyqxmd.com/read/29756500/sirna-an-alternative-treatment-for-diabetes-and-associated-conditions
#1
Pravin Shende, Chirag Patel
Diabetes is a condition that is not completely treatable but life of a diabetic patient can be smoothed by preventing or delaying the associate conditions like diabetic retinopathy, nephropathy, impaired wound healing process etc. Apart from conventional methods to regulate diabetic condition, new techniques using siRNA have been emerged to prevent the associated conditions. This paper focuses on how siRNA used as a tool to silence the expression of genes which plays critical role in pathogenesis of these conditions...
May 14, 2018: Journal of Drug Targeting
https://www.readbyqxmd.com/read/29751733/intestinal-absorption-of-fructose
#2
Ronaldo P Ferraris, Jun-Yong Choe, Chirag R Patel
Increased understanding of fructose metabolism, which begins with uptake via the intestine, is important because fructose now constitutes a physiologically significant portion of human diets and is associated with increased incidence of certain cancers and metabolic diseases. New insights in our knowledge of intestinal fructose absorption mediated by the facilitative glucose transporter GLUT5 in the apical membrane and by GLUT2 in the basolateral membrane are reviewed. We begin with studies related to structure as well as ligand binding, then revisit the controversial proposition that apical GLUT2 is the main mediator of intestinal fructose absorption...
May 11, 2018: Annual Review of Nutrition
https://www.readbyqxmd.com/read/29736561/the-utility-of-18-f-dasa-23-for-molecular-imaging-of-prostate-cancer-with-positron-emission-tomography
#3
Corinne Beinat, Tom Haywood, Yun-Sheng Chen, Chirag B Patel, Israt S Alam, Surya Murty, Sanjiv Sam Gambhir
PURPOSE: There is a strong, unmet need for superior positron emission tomography (PET) imaging agents that are able to measure biochemical processes specific to prostate cancer. Pyruvate kinase M2 (PKM2) catalyzes the concluding step in glycolysis and is a key regulator of tumor growth and metabolism. Elevation of PKM2 expression was detected in Gleason 8-10 tumors compared to Gleason 6-7 carcinomas, indicating that PKM2 may potentially be a marker of aggressive prostate cancer. We have recently reported the development of a PKM2-specific radiopharmaceutical [18 F]DASA-23 and herein describe its evaluation in cell culture and preclinical models of prostate cancer...
May 7, 2018: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/29710130/in-the-era-of-precision-medicine-and-big-data-who-is-normal
#4
Arjun K Manrai, Chirag J Patel, John P A Ioannidis
No abstract text is available yet for this article.
April 23, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29706353/patient-ipsc-derived-kidney-organoids-show-functional-validation-of-a-ciliopathic-renal-phenotype-and-reveal-underlying-pathogenetic-mechanisms
#5
Thomas A Forbes, Sara E Howden, Kynan Lawlor, Belinda Phipson, Jovana Maksimovic, Lorna Hale, Sean Wilson, Catherine Quinlan, Gladys Ho, Katherine Holman, Bruce Bennetts, Joanna Crawford, Peter Trnka, Alicia Oshlack, Chirag Patel, Andrew Mallett, Cas Simons, Melissa H Little
Despite the increasing diagnostic rate of genomic sequencing, the genetic basis of more than 50% of heritable kidney disease remains unresolved. Kidney organoids differentiated from induced pluripotent stem cells (iPSCs) of individuals affected by inherited renal disease represent a potential, but unvalidated, platform for the functional validation of novel gene variants and investigation of underlying pathogenetic mechanisms. In this study, trio whole-exome sequencing of a prospectively identified nephronophthisis (NPHP) proband and her parents identified compound-heterozygous variants in IFT140, a gene previously associated with NPHP-related ciliopathies...
April 21, 2018: American Journal of Human Genetics
https://www.readbyqxmd.com/read/29679199/-18-f-fdopa-pet-and-mri-characteristics-correlate-with-degree-of-malignancy-and-predict-survival-in-treatment-na%C3%A3-ve-gliomas-a-cross-sectional-study
#6
Chirag B Patel, Elisa Fazzari, Ararat Chakhoyan, Jingwen Yao, Catalina Raymond, Huytram Nguyen, Jasmine Manoukian, Nhung Nguyen, Whitney Pope, Timothy F Cloughesy, Phioanh L Nghiemphu, Johannes Czernin, Albert Lai, Benjamin M Ellingson
INTRODUCTION: To report the potential value of pre-operative 18 F-FDOPA PET and anatomic MRI in diagnosis and prognosis of glioma patients. METHODS: Forty-five patients with a pathological diagnosis of glioma with pre-operative 18 F-FDOPA PET and anatomic MRI were retrospectively examined. The volume of contrast enhancement and T2 hyperintensity on MRI images along with the ratio of maximum 18 F-FDOPA SUV in tumor to normal tissue (T/N SUVmax ) were measured and used to predict tumor grade, molecular status, and overall survival (OS)...
April 20, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29673934/foot-structure-and-knee-joint-kinetics-during-walking-with-and-without-wedged-footwear-insoles
#7
Ryan T Lewinson, Ryan Madden, Anthony Killick, John W Wannop, J Preston Wiley, Victor M Y Lun, Chirag Patel, Jeremy M LaMothe, Darren J Stefanyshyn
The relationship between static foot structure characteristics and knee joint biomechanics during walking, or the biomechanical response to wedged insoles are currently unknown. In this study, 3D foot scanning, dual X-ray absorptiometry and gait analysis methods were used to determine structural parameters of the foot and assess their relation to knee joint loading and biomechanical response to wedged insoles in 30 patients with knee osteoarthritis. In multiple linear regression models, foot fat content, height of the medial longitudinal arch and static hind foot angle were not associated with the magnitude of the knee adduction moment (R2  = 0...
April 12, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29673338/the-prognostic-importance-of-duration-of-aki-a-systematic-review-and-meta-analysis
#8
Swati Mehta, Kinsuk Chauhan, Achint Patel, Shanti Patel, Rachel Pinotti, Girish N Nadkarni, Chirag R Parikh, Steven G Coca
BACKGROUND: Acute kidney injury (AKI), as defined by peak increase in serum creatinine, is independently associated with increased risk of mortality and length of stay. Studies have suggested that the duration of AKI may be an important additional or independent prognostic marker of increased mortality in patients with AKI across clinical settings. We performed a systematic review and meta-analysis of published studies to assess the impact of duration of AKI on outcomes. METHODS: Various bibliographic databases (MEDLINE, Embase, Cochrane Library, CINAHL and Web of Science) were searched through database inception to December 2015...
April 19, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29664767/the-proportion-of-young-women-tested-for-chlamydia-who-had-urogenital-symptoms-in-physician-offices
#9
Chirag G Patel, Shivika Trivedi, Guoyu Tao
Using National Ambulatory Medical Care Survey (NAMCS) data during 2006-2015, we estimated the proportions of young women tested for chlamydia who were symptomatic (urogenital symptoms) or asymptomatic in physician offices. Among women tested for chlamydia, the proportions of women with and without urogenital symptoms were 31.6% and 59.2%, respectively.
April 17, 2018: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/29664307/a-strategy-to-aminate-pyridines-diazines-and-pharmaceuticals-via-heterocyclic-phosphonium-salts
#10
Chirag Patel, Margaret Mohnike, Michael C Hilton, Andrew McNally
A straightforward process to aminate pyridines and diazines is presented by reacting phosphonium salt derivatives with sodium azide. The iminophosphorane products are versatile precursors to several nitrogen-containing functional groups, and the process can be applied to building block heterocycles, to drug-like fragments, and for late-stage functionalization of complex pharmaceuticals. Appealing features of this strategy include using C-H bonds as precursors, precise regioselectivity, and a distinct scope from other amination methods, particularly those relying on halogenated azaarenes...
April 17, 2018: Organic Letters
https://www.readbyqxmd.com/read/29622315/anesthetic-pump-techniques-versus-the-intermittent-bolus-what-the-oral-surgeon-needs-to-know
#11
REVIEW
Richard C Robert, Chirag M Patel
The most popular agents in use for office-based anesthesia are propofol, ketamine, and remifentanil, which have the desirable properties of rapid onset and short duration of action. A useful parameter in assessing these agents is the context-sensitive half-time. These anesthetic agents demonstrate relatively low, flat plots compared with older agents. For delivery of intravenous anesthetics, oral and maxillofacial surgeons have relied small incremental boluses with great success. However, relatively simple syringe infusion pumps can provide an even "smoother" anesthetic...
May 2018: Oral and Maxillofacial Surgery Clinics of North America
https://www.readbyqxmd.com/read/29622312/oral-surgery-patient-safety-concepts-in-anesthesia
#12
REVIEW
Richard C Robert, Chirag M Patel
An effective office emergency preparedness plan for the oral and maxillofacial surgery office can be developed through the use of well-designed checklists, cognitive aids, and regularly scheduled in situ simulations with debriefings. In order to achieve this goal, the hierarchal culture of medicine and dentistry must be overcome, and an inclusive team concept embraced by all members of the staff. Technologic advancements in office automation now make it possible to create interactive cognitive aids. These enhance office emergency training and provide a means for more rapid retrieval of essential information and guidance during both simulations and a real crisis...
May 2018: Oral and Maxillofacial Surgery Clinics of North America
https://www.readbyqxmd.com/read/29615643/computational-repositioning-and-preclinical-validation-of-mifepristone-for-human-vestibular-schwannoma
#13
Jessica E Sagers, Adam S Brown, Sasa Vasilijic, Rebecca M Lewis, Mehmet I Sahin, Lukas D Landegger, Roy H Perlis, Isaac S Kohane, D Bradley Welling, Chirag J Patel, Konstantina M Stankovic
The computational repositioning of existing drugs represents an appealing avenue for identifying effective compounds to treat diseases with no FDA-approved pharmacotherapies. Here we present the largest meta-analysis to date of differential gene expression in human vestibular schwannoma (VS), a debilitating intracranial tumor, and use these data to inform the first application of algorithm-based drug repositioning for this tumor class. We apply an open-source computational drug repositioning platform to gene expression data from 80 patient tumors and identify eight promising FDA-approved drugs with potential for repurposing in VS...
April 3, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29584923/rescue-therapy-for-procedural-complications-associated-with-deployment-of-flow-diverting-devices-in-cerebral-aneurysms
#14
Fawaz Al-Mufti, Krishna Amuluru, Eric R Cohen, Vikas Patel, Mohammad El-Ghanem, Ethan Wajswol, Vincent Dodson, Sarmad Al-Marsoummi, Neil Majmundar, Neha S Dangayach, Rolla Nuoman, Chirag D Gandhi
Flow diverting devices (FDDs) have revolutionized the treatment of morphologically complex intracranial aneurysms such as wide-necked, giant, or fusiform aneurysms. Although FDDs are extremely effective, they carry a small yet significant risk of intraprocedural complications. As the implementation of these devices increases, the ability to predict and rapidly treat complications, especially those that are iatrogenic or intraprocedural in nature, is becoming increasingly more necessary.Our objective in this paper is to provide a descriptive summary of the various types of intraprocedural complications that may occur during FDDs deployment and how they may best be treated...
March 22, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29569228/model-averaged-confounder-adjustment-for-estimating-multivariate-exposure-effects-with-linear-regression
#15
Ander Wilson, Corwin M Zigler, Chirag J Patel, Francesca Dominici
In environmental and nutritional epidemiology and in many other fields, there is increasing interest in estimating the effect of simultaneous exposure to several agents (e.g., multiple nutrients, pesticides, or air pollutants) on a health outcome. We consider estimating the effect of a multivariate exposure that includes several continuous agents and their interactions-on an outcome, when the true confounding variables are an unknown subset of a potentially large (relative to sample size) set of measured covariates...
March 22, 2018: Biometrics
https://www.readbyqxmd.com/read/29565948/a-randomized-double-blind-study-of-the-effects-of-a-sustained-release-formulation-of-sodium-nitrite-sr-nitrite-on-patients-with-diabetic-neuropathy
#16
Amol Soin, Glen Bock, Anthony Giordano, Chirag Patel, David Drachman
BACKGROUND: Sodium nitrite has been reported to be effective in reducing chronic peripheral pain. OBJECTIVES: To evaluate the safety and efficacy of 40 and 80 mg, BID, of an oral sustained release formulation of sodium nitrite (SR-nitrite) in patients suffering from diabetic neuropathy, and to determine whether SR-nitrite would reduce the frequency of headaches reported previously by subjects receiving the same doses of an immediate release formulation. STUDY DESIGN: Phase II, single-center, randomized, double-blind, placebo controlled clinical trial...
March 2018: Pain Physician
https://www.readbyqxmd.com/read/29535865/should-all-patients-with-hyperparathyroidism-be-screened-for-a-cdc73-mutation
#17
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
https://www.readbyqxmd.com/read/29529964/prevalence-of-chronic-kidney-disease-among-patients-undergoing-transradial-percutaneous-coronary-interventions
#18
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
https://www.readbyqxmd.com/read/29482138/characterization-of-halotolerant-pigmented-plant-growth-promoting-bacteria-of-groundnut-rhizosphere-and-its-in-vitro-evaluation-of-plant-microbe-protocooperation-to-withstand-salinity-and-metal-stress
#19
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...
July 15, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29464110/phase-i-study-of-the-investigational-oral-mtorc1-2-inhibitor-sapanisertib-tak-228-tolerability-and-food-effects-of-a-milled-formulation-in-patients-with-advanced-solid-tumours
#20
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
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