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Chirag J Patel

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https://www.readbyqxmd.com/read/28710141/perspective-improving-nutritional-guidelines-for-sustainable-health-policies-current-status-and-perspectives
#1
Paolo Magni, Dennis M Bier, Sergio Pecorelli, Carlo Agostoni, Arne Astrup, Furio Brighenti, Robert Cook, Emanuela Folco, Luigi Fontana, Robert A Gibson, Ranieri Guerra, Gordon H Guyatt, John Pa Ioannidis, Ann S Jackson, David M Klurfeld, Maria Makrides, Basil Mathioudakis, Alessandro Monaco, Chirag J Patel, Giorgio Racagni, Holger J Sch√ľnemann, Raanan Shamir, Niv Zmora, Andrea Peracino
A large body of evidence supports the notion that incorrect or insufficient nutrition contributes to disease development. A pivotal goal is thus to understand what exactly is appropriate and what is inappropriate in food ingestion and the consequent nutritional status and health. The effective application of these concepts requires the translation of scientific information into practical approaches that have a tangible and measurable impact at both individual and population levels. The agenda for the future is expected to support available methodology in nutrition research to personalize guideline recommendations, properly grading the quality of the available evidence, promoting adherence to the well-established evidence hierarchy in nutrition, and enhancing strategies for appropriate vetting and transparent reporting that will solidify the recommendations for health promotion...
July 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28710076/opportunities-and-challenges-for-environmental-exposure-assessment-in-population-based-studies
#2
Chirag J Patel, Jacqueline Kerr, Duncan C Thomas, Bhramar Mukherjee, Beate Ritz, Nilanjan Chatterjee, Marta M Jankowska, Juliette Madan, Margaret R Karagas, Kimberly A McAllister, Leah E Mechanic, M Daniele Fallin, Christine Ladd-Acosta, Ian A Blair, Susan L Teiltelbaum, Christopher I Amos
BACKGROUND: A growing number and increasing diversity of factors are available for epidemiological studies. These measures provide new avenues for discovery and prevention yet they also raise many challenges for adoption in epidemiological investigations. METHODS: We evaluate 1) designs to investigate diseases that consider heterogeneous and multi-dimensional indicators of exposure and behavior, 2) the implementation of numerous methods to capture indicators of exposure, and 3) the analytical methods required for discovery and validation...
July 14, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28648637/xyloglucan-a-functional-biomacromolecule-for-drug-delivery-applications
#3
REVIEW
Abhijeet D Kulkarni, Aditya A Joshi, Chirag L Patil, Prasad D Amale, Harun M Patel, Sanjay J Surana, Veena S Belgamwar, Kapil S Chaudhari, Chandrakantsing V Pardeshi
The near future of drug delivery system would lie in the search of a versatile and innocuous material, based mostly on the natural resources. The tamarind seed xyloglucan (XG) is a natural neutral hemicellulose and a hydrophilic polysaccharide consisting of a main chain of glucan backbone with xylose and galactose side chains. XG is endowed with idiosyncratic mucoadhesive and in situ gelling properties which rated XG as an attractive, functional polymer for numerous drug delivery applications. In milieu of this, the present review is designed to underline the plausible potential of XG or XG-based systems in drug delivery...
June 23, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28600083/evaluation-of-clinical-target-volume-expansion-required-for-involved-site-neck-radiotherapy-for-lymphoma-to-account-for-the-absence-of-a-pre-chemotherapy-pet-ct-in-the-radiotherapy-treatment-position
#4
David Bird, Chirag Patel, Andrew F Scarsbrook, Viv Cosgrove, Emma Thomas, Di Gilson, Robin J D Prestwich
BACKGROUND AND PURPOSE: Involved site radiotherapy clinical target volume (CTV) for lymphoma requires an expansion to account for the absence of radiotherapy treatment-position pre-chemotherapy imaging, which is not widely implemented. This prospective imaging study aims to quantify CTV expansion required for neck radiotherapy. MATERIALS AND METHODS: 10 patients from a prospective single centre imaging study underwent a pre-chemotherapy FDG-PET-CT in both the diagnostic and radiotherapy treatment position, and subsequently received neck radiotherapy post-chemotherapy...
June 6, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28536869/the-technique-and-benefits-of-angiographic-embolization-of-inferior-epigastric-arteries-prior-to-pedicled-tram-flap-breast-reconstruction-results-from-a-single-center
#5
Alysse J Sever, Chirag Patel, Yahya Albeer, Vigen B Darian
PURPOSE: To report a single center's experience with selective arterial embolization of the deep inferior epigastric arteries (DIEA) prior to pedicled TRAM flap breast reconstruction including techniques and outcomes. MATERIALS AND METHODS: Retrospective chart review was performed for 15 patients who underwent pedicled TRAM flap breast reconstruction after selective embolization of bilateral DIEA. Data were analyzed to display the spectrum of postoperative outcomes following the TRAM flap procedure status post-selective angiographic embolization of the bilateral DIEA to improve vascularity of the TRAM flaps by rendering the tissue partially ischemic to undergo neovascularization...
May 23, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28291243/a-standard-database-for-drug-repositioning
#6
Adam S Brown, Chirag J Patel
Drug repositioning, the process of discovering, validating, and marketing previously approved drugs for new indications, is of growing interest to academia and industry due to reduced time and costs associated with repositioned drugs. Computational methods for repositioning are appealing because they putatively nominate the most promising candidate drugs for a given indication. Comparing the wide array of computational repositioning methods, however, is a challenge due to inconsistencies in method validation in the field...
March 14, 2017: Scientific Data
https://www.readbyqxmd.com/read/28251040/analytic-complexity-and-challenges-in-identifying-mixtures-of-exposures-associated-with-phenotypes-in-the-exposome-era
#7
REVIEW
Chirag J Patel
PURPOSE OF REVIEW: Mixtures, or combinations and interactions between multiple environmental exposures, are hypothesized to be causally linked with disease and health-related phenotypes. Established and emerging molecular measurement technologies to assay the exposome, the comprehensive battery of exposures encountered from birth to death, promise a new way of identifying mixtures in disease in the epidemiological setting. In this opinion, we describe the analytic complexity and challenges in identifying mixtures associated with phenotype and disease...
2017: Current Epidemiology Reports
https://www.readbyqxmd.com/read/28194614/the-exposome-research-paradigm-an-opportunity-to-understand-the-environmental-basis-for-human-health-and-disease
#8
REVIEW
Germaine M Buck Louis, Melissa M Smarr, Chirag J Patel
PURPOSE OF REVIEW: This paper presents an overview of the exposome research paradigm with particular application to understanding human reproduction and development and its implications for health across a lifespan. RECENT FINDINGS: The exposome research paradigm has generated considerable discussion about its feasibility and utility for delineating the impact of environmental exposures on human health. Early initiatives are underway, including smaller proof-of-principle studies and larger concerted efforts...
March 2017: Current Environmental Health Reports
https://www.readbyqxmd.com/read/28176476/recurrent-atypical-haemolytic-uraemic-syndrome-post-kidney-transplant-due-to-a-cd46-mutation-in-the-setting-of-smarcal1-mediated-inherited-kidney-disease
#9
REVIEW
Samuel Chan, Andrew J Mallett, Chirag Patel, Ross S Francis, David W Johnson, David W Mudge, Nicole M Isbel
Disorders in the regulation of the alternate complement pathway often result in complement-mediated damage to the microvascular endothelium and can be associated with both glomerulonephritis and atypical haemolytic uraemic syndrome. Inherited defects in complement regulatory genes or autoantibodies against complement regulatory proteins are predictive of the severity of the disease and the risk of recurrence post kidney transplantation. Heterozygous mutations in CD46, which codes for a transmembrane cofactor glycoprotein membrane cofactor protein, usually have a lower incidence of end-stage kidney disease and decreased risk of recurrent disease post transplant, as wild-type membrane cofactor protein is present in the transplanted kidney...
February 2017: Nephrology
https://www.readbyqxmd.com/read/28068484/informatics-and-data-analytics-to-support-exposome-based-discovery-for-public-health
#10
Arjun K Manrai, Yuxia Cui, Pierre R Bushel, Molly Hall, Spyros Karakitsios, Carolyn J Mattingly, Marylyn Ritchie, Charles Schmitt, Denis A Sarigiannis, Duncan C Thomas, David Wishart, David M Balshaw, Chirag J Patel
The complexity of the human exposome-the totality of environmental exposures encountered from birth to death-motivates systematic, high-throughput approaches to discover new environmental determinants of disease. In this review, we describe the state of science in analyzing the human exposome and provide recommendations for the public health community to consider in dealing with analytic challenges of exposome-based biomedical research. We describe extant and novel analytic methods needed to associate the exposome with critical health outcomes and contextualize the data-centered challenges by drawing parallels to other research endeavors such as human genomics research...
March 20, 2017: Annual Review of Public Health
https://www.readbyqxmd.com/read/28004011/methods-to-enhance-the-reproducibility-of-precision-medicine
#11
Arjun K Manrai, Chirag J Patel, Nils Gehlenborg, Nicholas P Tatonetti, John P A Ioannidis, Isaac S Kohane
No abstract text is available yet for this article.
2016: Pacific Symposium on Biocomputing
https://www.readbyqxmd.com/read/27896967/methods-to-ensure-the-reproducibility-of-biomedical-research
#12
Konrad J Karczewski, Nicholas P Tatonetti, Arjun K Manrai, Chirag J Patel, C Titus Brown, John P A Ioannidis
Science is not done in a vacuum - across fields of biomedicine, scientists have built on previous research and used data published in previous papers. A mainstay of scientific inquiry is the publication of one's research and recognition for this work is given in the form of citations and notoriety - ideally given in proportion to the quality of the work. Academic incentives, however, may encourage individual researchers to prioritize career ambitions over scientific truth. Recently, the New England Journal of Medicine published a commentary calling scientists who repurpose data "research parasites" who misuse data generated by others to demonstrate alternative hypotheses...
2016: Pacific Symposium on Biocomputing
https://www.readbyqxmd.com/read/27881429/a-review-of-validation-strategies-for-computational-drug-repositioning
#13
Adam S Brown, Chirag J Patel
Repositioning of previously approved drugs is a promising methodology because it reduces the cost and duration of the drug development pipeline and reduces the likelihood of unforeseen adverse events. Computational repositioning is especially appealing because of the ability to rapidly screen candidates in silico and to reduce the number of possible repositioning candidates. What is unclear, however, is how useful such methods are in producing clinically efficacious repositioning hypotheses. Furthermore, there is no agreement in the field over the proper way to perform validation of in silico predictions, and in fact no systematic review of repositioning validation methodologies...
November 22, 2016: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/27867238/comment-addressing-the-need-for-portability-in-big-data-model-building-and-calibration
#14
Chirag J Patel, Francesca Dominici
No abstract text is available yet for this article.
2016: Journal of the American Statistical Association
https://www.readbyqxmd.com/read/27842954/a-three-dimensional-approach-for-quantifying-resultant-loading-at-the-knee
#15
Ryan T Lewinson, Chad P Maag, Victor M Y Lun, J Preston Wiley, Chirag Patel, Darren J Stefanyshyn
BACKGROUND: Clinical effectiveness of lateral wedges for knee osteoarthritis is inconsistent across studies. One explanation is that knee loading is not fully described by the peak frontal-plane knee moment. The purpose of this study was to propose a 3D resultant approach to describing moments at the knee and evaluate how this moment changes in response to lateral wedges. METHODS: Walking gait analysis was performed on 20 individuals with knee osteoarthritis, in their own shoes, with and without a six millimeter lateral wedge insole...
November 11, 2016: Knee
https://www.readbyqxmd.com/read/27837427/microwave-assisted-zrsio2-catalysed-synthesis-characterization-and-computational-study-of-novel-spiro-indole-thiazolidines-derivatives-as-anti-tubercular-agents
#16
Mayuri A Borad, Manoj N Bhoi, Sanjay K Rathwa, Mahesh S Vasava, Hitesh D Patel, Chirag N Patel, Himanshu A Pandya, Edwin A Pithawala, John J Georrge
In the current investigation, we prepared a series of novel spiro[indole-thiazolidines] derivatives (5a-5h) from 5-substituted isatin derivatives and thioglycolic acid (TGA) with ZrSiO2 as an efficient catalyst under microwave irradiation. The significant merits of this protocol have some significant merits such as simplicity in operation, simple, efficient workup, good practical yields of product and the employment of recyclable catalyst. All the new synthesized scaffold has been well characterized by various spectroscopic methods and elemental analysis...
November 11, 2016: Interdisciplinary Sciences, Computational Life Sciences
https://www.readbyqxmd.com/read/27779619/a-database-of-human-exposomes-and-phenomes-from-the-us-national-health-and-nutrition-examination-survey
#17
Chirag J Patel, Nam Pho, Michael McDuffie, Jeremy Easton-Marks, Cartik Kothari, Isaac S Kohane, Paul Avillach
The National Health and Nutrition Examination Survey (NHANES) is a population survey implemented by the Centers for Disease Control and Prevention (CDC) to monitor the health of the United States whose data is publicly available in hundreds of files. This Data Descriptor describes a single unified and universally accessible data file, merging across 255 separate files and stitching data across 4 surveys, encompassing 41,474 individuals and 1,191 variables. The variables consist of phenotype and environmental exposure information on each individual, specifically (1) demographic information, physical exam results (e...
October 25, 2016: Scientific Data
https://www.readbyqxmd.com/read/27678460/meshdd-literature-based-drug-drug-similarity-for-drug-repositioning
#18
Adam S Brown, Chirag J Patel
Objective: Drug repositioning is a promising methodology for reducing the cost and duration of the drug discovery pipeline. We sought to develop a computational repositioning method leveraging annotations in the literature, such as Medical Subject Heading (MeSH) terms. Methods: We developed software to determine significantly co-occurring drug-MeSH term pairs and a method to estimate pair-wise literature-derived distances between drugs. Results: We found that literature-based drug-drug similarities predicted the number of shared indications across drug-drug pairs...
May 1, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/27580080/reduced-knee-adduction-moments-for-management-of-knee-osteoarthritis-a-three-month-phase-i-ii-randomized-controlled-trial
#19
Ryan T Lewinson, Isabelle A Vallerand, Kelsey H Collins, J Preston Wiley, Victor M Y Lun, Chirag Patel, Linda J Woodhouse, Raylene A Reimer, Jay T Worobets, Walter Herzog, Darren J Stefanyshyn
Wedged insoles are believed to be of clinical benefit to individuals with knee osteoarthritis by reducing the knee adduction moment (KAM) during gait. However, previous clinical trials have not specifically controlled for KAM reduction at baseline, thus it is unknown if reduced KAMs actually confer a clinical benefit. Forty-eight participants with medial knee osteoarthritis were randomly assigned to either a control group where no footwear intervention was given, or a wedged insole group where KAM reduction was confirmed at baseline...
October 2016: Gait & Posture
https://www.readbyqxmd.com/read/27572827/influence-of-same-day-admission-on-outcomes-following-transcatheter-aortic-valve-replacement
#20
MULTICENTER STUDY
Samir V Patel, Sunny Jhamnani, Palak Patel, Rajesh Sonani, Chirag Savani, Nilay Patel, Nileshkumar J Patel, Sidakpal S Panaich, Mihir Patel, Schreiber Theodore, Cindy Grines, Apurva O Badheka
BACKGROUND: Since elective transcatheter aortic valve replacements (TAVRs) can be performed on the day of admission, i.e., Day 0, or on the next day of admission, i.e., Day 1, we sought to investigate if there is an advantage to either approach. METHODS: We performed a retrospective cohort study, using the Healthcare Cost and Utilization Project's Nationwide Inpatient Sample database of 2012 and identified subjects undergoing endovascular (Transfemoral/Transaortic) TAVRs using the ICD-9-CM procedure code of 35...
October 2016: Journal of Cardiac Surgery
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