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https://www.readbyqxmd.com/read/29430112/role-of-myocardial-perfusion-study-in-differentiating-ischemic-versus-nonischemic-cardiomyopathy-using-quantitative-parameters
#1
Preeti Singh, Bhairavi Bhatt, Shwetal U Pawar, Ashish Kamra, Suruchi Shetye, Mangala Ghorpade
Purpose: Ischemic cardiomyopathy (ICM) and non-ICM (NICM) causes of dilated cardiomyopathy with similar clinical presentation have different management and prognosis. This study employed myocardial perfusion imaging (MPI) to differentiate between the two using quantitative parameters in Indian population. Methods and Materials: Fifty patients prospectively underwent MPI and 18F-fluorodeoxyglucose metabolism studies. P values (0.05 as significant) were calculated for the left ventricular ejection fraction (EF), end diastolic volume (EDV) at rest and stress, end systolic volume (ESV) at rest and stress, summed rest score (SRS), summed difference score (SDS), and eccentricity...
January 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29428326/a-modified-definition-for-obstructive-sleep-apnea-in-home-sleep-apnea-testing-after-stroke-or-transient-ischemic-attack
#2
Namita Patel, Afsaneh Raissi, Sara Elias, Maneesha Kamra, Tetyana Kendzerska, Brian J Murray, Mark I Boulos
BACKGROUND: Home sleep apnea testing (HSAT) underestimates obstructive sleep apnea (OSA) severity. Overnight oxygen desaturation has been shown to be a strong predictor of incident stroke, and may be helpful in determining which patients with lower apnea-hypopnea indices (AHIs) should be offered treatment. OBJECTIVES: To examine whether a modified definition for OSA that uses oxygen desaturation (i.e., AHI 5-14.9 per hour and lowest O2 desaturation ≤88%), as compared to an AHI ≥ 15 per hour, would impact: (1) changes in Epworth Sleepiness Scale scores post-continuous positive airway pressure (CPAP) initiation; (2) CPAP compliance rates; and (3) the accuracy of automated versus manual scoring of HSAT...
February 7, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29427591/steroid-regulation-an-overlooked-aspect-of-tolerance-and-chronic-rejection-in-kidney-transplantation
#3
Sofia Christakoudi, Manohursingh Runglall, Paula Mobillo, Irene Rebollo-Mesa, Tjir-Li Tsui, Estefania Nova-Lamperti, Sonia Norris, Yogesh Kamra, Rachel Hilton
Steroid conversion (HSD11B1, HSD11B2, H6PD) and receptor genes (NR3C1, NR3C2) were examined in kidney-transplant recipients with "operational tolerance" and chronic rejection (CR), independently and within the context of 88 tolerance-associated genes. Associations with cellular types were explored. Peripheral whole-blood gene-expression levels (RT-qPCR-based) and cell counts were adjusted for immunosuppressant drug intake. Tolerant (n = 17), stable (n = 190) and CR patients (n = 37) were compared...
February 7, 2018: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/29229198/combined-raloxifene-and-letrozole-for-breast-cancer-patients
#4
Divya Vohora, Abul Kalam, Ankita Leekha, Sushama Talegaonkar, Anita Kamra Verma
Raloxifene, an anti-osteoporotic drug, is recently approved for prevention of breast cancer in postmenopausal women and thus the drug may be employed to combat the bony adverse effects of letrozole, another anticancer drug. However, the cytotoxic effect of their combination on human breast cancer (MCF-7) and human embryonic kidney (HEK) cell lines is not known. MCF-7 and HEK cell lines were treated with different graded doses of letrozole, raloxifene and their combination, then incubated for 24-48 h. MTT assay was performed to check the cytotoxicity of the drugs...
December 8, 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/29219498/spin-pumping-and-shot-noise-in-ferrimagnets-bridging-ferro-and-antiferromagnets
#5
Akashdeep Kamra, Wolfgang Belzig
A combination of novel technological and fundamental physics prospects has sparked a huge interest in pure spin transport in magnets, starting with ferromagnets and spreading to antiferro- and ferrimagnets. We present a theoretical study of spin transport across a ferrimagnet-nonmagnetic conductor interface, when a magnetic eigenmode is driven into a coherent state. The obtained spin current expression includes intra- as well as cross-sublattice terms, both of which are essential for a quantitative understanding of spin pumping...
November 10, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29176645/t-cell-receptor-%C3%AE-chains-display-abnormal-shortening-and-repertoire-sharing-in-type-1-diabetes
#6
Iria Gomez-Tourino, Yogesh Kamra, Roman Baptista, Anna Lorenc, Mark Peakman
Defects in T cell receptor (TCR) repertoire are proposed to predispose to autoimmunity. Here we show, by analyzing >2 × 108 TCRB sequences of circulating naive, central memory, regulatory and stem cell-like memory CD4+ T cell subsets from patients with type 1 diabetes and healthy donors, that patients have shorter TCRB complementarity-determining region 3s (CDR3), in all cell subsets, introduced by increased deletions/reduced insertions during VDJ rearrangement. High frequency of short CDR3s is also observed in unproductive TCRB sequences, which are not subjected to thymic culling, suggesting that the shorter CDR3s arise independently of positive/negative selection...
November 27, 2017: Nature Communications
https://www.readbyqxmd.com/read/28944206/comparison-of-fda-safety-and-efficacy-data-for-kamra-and-raindrop-corneal-inlays
#7
Majid Moshirfar, Jordan D Desautels, Ryan T Wallace, Nicholas Koen, Phillip C Hoopes
AIM: To provide a side-by-side analysis of the summary of safety and effectiveness data (SSED) submitted to the FDA for the KAMRA and Raindrop corneal inlays for the correction of presbyopia. METHODS: SSED reports submitted to the FDA for KAMRA and Raindrop were compared with respect to loss of corrected distance visual acuity (CDVA), adverse event rates, induction of astigmatism, retention of contrast sensitivity, stability of manifest refractive spherical equivalent (MRSE), and achieved monocular uncorrected near visual acuity (UNVA) at 24mo...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28927941/gaming-the-system-creation-of-a-random-case-generating-game-for-use-in-morning-report
#8
Pallavi Kamra, Emily C Borman-Shoap, Lei Zhang, Michael B Pitt
No abstract text is available yet for this article.
September 18, 2017: Academic Pediatrics
https://www.readbyqxmd.com/read/28902773/reduced-tcr-signalling-contributes-to-impaired-th17-responses-in-tolerant-kidney-transplant-recipients
#9
Estefania Nova-Lamperti, Marco Romano, Sofia Christakoudi, Manohursingh Runglall, Reuben McGregor, Paula Mobillo, Yogesh Kamra, Tjir-Li Tsui, Sonia Norris, Susan John, Dominic A Boardman, Robert I Lechler, Giovanna Lombardi, Maria P Hernandez-Fuentes
BACKGROUND: The development of spontaneous kidney transplant tolerance has been associated with numerous B cell-related immune alterations. We have previously shown that tolerant recipients exhibit reduced B cell receptor (BCR) signalling and higher IL-10 production than healthy volunteers. However, it is unclear whether CD4T cells from tolerant recipients also display an antiinflammatory profile that could contribute to graft maintenance. METHODS: CD4T cells were isolated from kidney transplant recipients who were identified as being tolerant recipients, patients with chronic-rejection or healthy volunteers...
September 12, 2017: Transplantation
https://www.readbyqxmd.com/read/28810197/photochemical-formation-of-chitosan-stabilized-near-infrared-absorbing-silver-nanoworms-a-green-synthetic-strategy-and-activity-on-gram-negative-pathogenic-bacteria
#10
Sreekar Marpu, Samar S Kolailat, Daniel Korir, Brian L Kamras, Ratnesh Chaturvedi, Abel Joseph, Christopher M Smith, Misael C Palma, Jyoti Shah, Mohammad A Omary
A facile, single-step, non-seeded photochemical protocol for producing a new type of anisotropic silver nanostructure, "nanoworms", with curved longer dimensions and smooth, rounded edges. The nanoworms exhibit surface plasmon resonance (SPR) absorption in the near-infrared window (NIRW) region and are stabilized using biocompatible polymer chitosan, rendering biocompatibility and amplified safety for biological utility of the composition. Both NIRW-absorbing nanoworms and visible-absorbing nanospheres herein are attained exclusively by employing green chemistry principles...
August 4, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28798737/complete-genome-analysis-of-thermus-parvatiensis-and-comparative-genomics-of-thermus-spp-provide-insights-into-genetic-variability-and-evolution-of-natural-competence-as-strategic-survival-attributes
#11
Charu Tripathi, Harshita Mishra, Himani Khurana, Vatsala Dwivedi, Komal Kamra, Ram K Negi, Rup Lal
Thermophilic environments represent an interesting niche. Among thermophiles, the genus Thermus is among the most studied genera. In this study, we have sequenced the genome of Thermus parvatiensis strain RL, a thermophile isolated from Himalayan hot water springs (temperature >96°C) using PacBio RSII SMRT technique. The small genome (2.01 Mbp) comprises a chromosome (1.87 Mbp) and a plasmid (143 Kbp), designated in this study as pTP143. Annotation revealed a high number of repair genes, a squeezed genome but containing highly plastic plasmid with transposases, integrases, mobile elements and hypothetical proteins (44%)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28708710/bone-accrual-in-children-and-adolescent-nonelite-swimmers-a-2-year-longitudinal-study
#12
Andy C Collins, Kenneth D Ward, Barbara S McClanahan, Deborah L Slawson, Christopher Vukadinovich, Kamra E Mays, Nancy Wilson, George Relyea
OBJECTIVE: To examine differences in bone mass between children and adolescents swimming competitively at nonelite levels (locally and regionally) and nonathletes and to assess changes in bone mass in these 2 groups over 24 months after taking into consideration several known confounders of bone mass. DESIGN: Observational prospective study. PARTICIPANTS: White nonelite swimmers (n = 128) and nonathletes (n = 106) 8 to 18 years of age from Memphis, Tennessee, USA...
July 11, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28680206/avascular-necrosis-of-talus-diagnosed-on-tc-99m-mdp-bone-scan
#13
Ashish R Kamra, Shwetal U Pawar, Suruchi Shetye, Preeti R Singh
Avascular necrosis (AVN) of bone is defined as the cellular death of bone components due to the interruption of the blood supply; the bone structures then collapse, resulting in pain and loss of joint function. Magnetic resonance imaging (MRI) is the gold standard to diagnose AVN. We present an unusual case of AVN of talus in a patient of thalassemia major that was diagnosed on the Tc-99m MDP bone scan with equivocal findings on MRI. Key Message: The diagnosis of AVN is primarily done using radiological investigations...
July 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28638096/identification-of-a-flavonoid-isolated-from-plum-prunus-domestica-as-a-potent-inhibitor-of-hepatitis-c-virus-entry
#14
Mihika Bose, Mohini Kamra, Ranajoy Mullick, Santanu Bhattacharya, Saumitra Das, Anjali A Karande
Hepatitis C virus (HCV) infection is a major cause of chronic liver diseases that often requires liver transplantation. The standard therapies are limited by severe side effects, resistance development, high expense and in a substantial proportion of cases, fail to clear the infection which bespeak the need for development of well-tolerated antivirals. Since most of the drug development strategies target the replication stage of viral lifecycle, the identification of entry inhibitors might be crucial especially in case of liver-transplant recipients...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28624500/phoenixin-14-concentrations-are-increased-in-association-with-luteinizing-hormone-and-nesfatin-1-concentrations-in-women-with-polycystic-ovary-syndrome
#15
Kamran Ullah, Tanzil Ur Rahman, Dan-Dan Wu, Xian-Hua Lin, Ye Liu, Xiao-Yan Guo, Peter C K Leung, Run-Ju Zhang, He-Feng Huang, Jian-Zhong Sheng
BACKGROUND: Polycystic ovary syndrome (PCOS) is commonly characterized by obesity, insulin resistance (IR), hyperandrogenemia and hirsutism. Following the reported relationship between phoenixin-14 and gonadotropin production in rat hypothalamic-pituitary-gonadal axis, the present study was designed to investigate the circulating concentrations of phoenixin-14 and their associations with the concentrations of sex hormones including luteinizing hormone (LH), follicular stimulating hormone (FSH), estradiol (E2), progesterone (P4) and total testosterone (TT) in PCOS patients...
August 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28611492/genome-mining-and-predictive-functional-profiling-of-acidophilic-rhizobacterium-pseudomonas-fluorescens-pt14
#16
Pooja Rani, Nitish Kumar Mahato, Anukriti Sharma, Desiraju Lakshmi Narsimha Rao, Komal Kamra, Rup Lal
Pseudomonas fluorescens Pt14 is a non-pathogenic and acidophilic bacterium isolated from acidic soil (pH 4.65). Genome sequencing of strain Pt14 was performed using Single Molecule Real Time (SMRT) sequencing to get insights into unique existence of this strain in acidic environment. Complete genome sequence of this strain revealed a chromosome of 5,841,722 bp having 5354 CDSs and 88 RNAs. Phylogenomic reconstruction based on 16S rRNA gene, Average Nucleotide Identity (ANI) values and marker proteins revealed that strain Pt14 shared a common clade with P...
June 2017: Indian Journal of Microbiology
https://www.readbyqxmd.com/read/28607884/rigid-bronchoscopic-placement-of-fogarty-catheter-as-a-bronchial-blocker-for-one-lung-isolation-and-ventilation-in-infants-and-children-undergoing-thoracic-surgery-a-single-institution-experience-of-27-cases
#17
Sunil Kant Kamra, Ashwin Ashok Jaiswal, Amrish Kumar Garg, Manoj Kumar Mohanty
One-lung ventilation (OLV) is a challenging task in infants and children as few techniques are possible because of narrow anatomy. The aim of this study is to evaluate and experience lung isolation with Fogarty catheters as a bronchial blocker placed by rigid bronchoscope for OLV in infants and children with lung pathologies requiring surgical management in an industrial hospital. This study is a prospective study carried out in J.L.N. Hospital and Research Centre, Bhilai (CG), from January 2011 to December 2014...
June 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28602335/neodymium-yag-laser-posterior-capsulotomy-in-eye-with-an-intrastromal-inlay
#18
Phillip C Hoopes, Jordan D Desautels, Majid Moshirfar, Steven H Linn, Nick Mamalis
We report intraoperative issues, patient outcomes, and lessons learned from inadvertently contacting a Kamra corneal inlay with a neodymium:YAG (Nd:YAG) laser during a routine capsulotomy procedure for posterior capsule opacification. We also present scanning electron microscopic and histopathologic images from a series of 4 inlays implanted in postmortem porcine eyes that were purposely contacted with an Nd:YAG laser. Our capsulotomy patient developed a clinically insignificant and transient corneal opacity accompanied by mild blanching on the inlay...
May 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28532945/sequential-pars-plana-vitrectomy-and-cataract-extraction-with-intraocular-lens-implantation-in-patient-with-corneal-inlay-who%C3%A2-developed-retinal-detachment-followed%C3%A2-by%C3%A2-cataract
#19
Nada S Jabbur, Shady T Awwad, Ziad F Bashshur
Twenty-one months after successful small-aperture corneal inlay (Kamra) implantation simultaneous with myopic laser in situ keratomileusis, a patient presented with a superior rhegmatogenous macula-involving retinal detachment. Successful pars plana vitrectomy, transscleral cryotherapy, and gas tamponade were performed with the inlay in situ. Three months later, uneventful phacoemulsification and posterior chamber intraocular lens implantation were performed, also with the inlay in situ, for a visually significant cataract...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28511384/community-acquired-burkholderia-cepacia-bacteraemia-presenting-as-mods-in-an-immunocompetent-individual-an-unusual-case
#20
Ritesh Ranjan, Priti Chowdhary, Aman Kamra
Burkholderia cepacia has been recognized as a group of highly virulent organisms known as Burkholderia cepacia complex (Bcc). Bcc are ubiquitous in nature and most commonly found in moist environment, on plant roots and soil. Because of its high intrinsic antibiotic resistance, Bcc is a major cause of morbidity and mortality in hospitalized patients. It is reported most commonly in immunocompromised patients especially in patients with cystic fibrosis. Here, we report a rare case report of bacteraemia by Burkholderia cepacia in an immunocompetent male, who presented with fever and Multiple Organ Dysfunction Syndrome (MODS)...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
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