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https://www.readbyqxmd.com/read/28417083/effects-of-turmeric-curcuminoids-and-metformin-against-central-sensitivity-to-pain-in-mice
#1
Suruchi Verma, Deepak Mundkinajeddu, Amit Agarwal, Shyam Sunder Chatterjee, Vikas Kumar
The reported experimental study was conducted to compare the effects of repeated daily oral doses of curcuminoids (CLE) with metformin as potential antidepressants and analgesics. Effects of a single and ten daily oral doses of CLE (5, 20, 80 mg/kg/day) and of 50 mg/kg/day metformin (MET) were compared in mice hot plate test (HPT) for analgesics. On the 11th treatment day, all animals were subjected to foot shock stress triggered hyperthermia test, and on the 12th treatment day to tail suspension test (TST) for antidepressants...
April 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28405618/efficacy-of-alk5-inhibition-in-myelofibrosis
#2
Lanzhu Yue, Matthias Bartenstein, Wanke Zhao, Wanting Tina Ho, Ying Han, Cem Murdun, Adam W Mailloux, Ling Zhang, Xuefeng Wang, Anjali Budhathoki, Kith Pradhan, Franck Rapaport, Huaquan Wang, Zonghong Shao, Xiubao Ren, Ulrich Steidl, Ross L Levine, Zhizhuang Joe Zhao, Amit Verma, Pearlie K Epling-Burnette
Myelofibrosis (MF) is a bone marrow disorder characterized by clonal myeloproliferation, aberrant cytokine production, extramedullary hematopoiesis, and bone marrow fibrosis. Although somatic mutations in JAK2, MPL, and CALR have been identified in the pathogenesis of these diseases, inhibitors of the Jak2 pathway have not demonstrated efficacy in ameliorating MF in patients. TGF-β family members are profibrotic cytokines and we observed significant TGF-β1 isoform overexpression in a large cohort of primary MF patient samples...
April 6, 2017: JCI Insight
https://www.readbyqxmd.com/read/28351381/the-role-of-stromal-cancer-associated-fibroblasts-in-pancreatic-cancer
#3
REVIEW
Dagny von Ahrens, Tushar D Bhagat, Deepak Nagrath, Anirban Maitra, Amit Verma
Pancreatic ductal adenocarcinoma (PDAC) is a lethal cancer generally refractory to conventional treatments. Cancer-associated fibroblasts (CAFs) are cellular components of the desmoplastic stroma characteristic to the tumor that contributes to this treatment resistance. Various markers for CAFs have been explored including palladin and CD146 that have prognostic and functional roles in the pathobiology of PDAC. Mechanisms of CAF-tumor cell interaction have been described including exosomal transfer and paracrine signaling mediated by cytokines such as GM-CSF and IL-6...
March 28, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28320576/platelet-count-and-total-and-cause-specific-mortality-in-the-women-s-health-initiative
#4
Geoffrey C Kabat, Mimi Y Kim, Amit K Verma, JoAnn E Manson, Juan Lin, Lawrence Lessin, Sylvia Wassertheil-Smoller, Thomas E Rohan
PURPOSE: We used data from the Women's Health Initiative to examine the association of platelet count with total mortality, coronary heart disease (CHD) mortality, cancer mortality, and non-CHD/noncancer mortality. METHODS: Platelet count was measured at baseline in 159,746 postmenopausal women and again in year 3 in 75,339 participants. Participants were followed for a median of 15.9 years. Cox proportional hazards models were used to estimate the relative mortality hazards associated with deciles of baseline platelet count and of the mean of baseline + year 3 platelet count...
February 21, 2017: Annals of Epidemiology
https://www.readbyqxmd.com/read/28287963/a-dataset-and-a-technique-for-generalized-nuclear-segmentation-for-computational-pathology
#5
Neeraj Kumar, Ruchika Verma, Sanuj Sharma, Surabhi Bhargava, Abhishek Vahadane, Amit Sethi
Nuclear segmentation in digital microscopic tissue images can enable extraction of high-quality features for nuclear morphometrics and other analysis in computational pathology. Conventional image processing techniques such as Otsu thresholding and watershed segmentation do not work effectively on challenging cases, such as chromatin-sparse and crowded nuclei. In contrast, machine learning-based segmentation can generalize across various nuclear appearances. However, training machine learning algorithms require datasets of images in which a vast number of nuclei have been annotated...
March 6, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28261750/partial-dispensability-of-djp1-s-j-domain-in-peroxisomal-protein-import-in-saccharomyces-cerevisiae-results-from-genetic-redundancy-with-another-class-ii-j-protein-caj1
#6
Neha Dobriyal, Prerna Tripathi, Susrita Sarkar, Yogesh Tak, Amit K Verma, Chandan Sahi
J proteins are obligate co-chaperones of Hsp70s. Via their signature J domain, all J proteins interact with their partner Hsp70s and stimulate their weak ATPase activity, which is vital for Hsp70 functions. The dependency of J proteins on their J domain is such that mutations in critical amino acids in the J domain often results into a null phenotype for a particular J protein. Here, we show that the J domain of Djp1, a cytosolic J protein important for peroxisomal protein import in Saccharomyces cerevisiae, is partially dispensable...
March 6, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28183199/recombinant-human-keratinocyte-growth-factor-attenuates-apoptosis-in-elastase-induced-emphysematous-mice-lungs
#7
Sudhir Kotnala, Sumit Baghel, Deepali Verma, Amit Tyagi, Jai Prakash Muyal
Alveolar cell apoptosis is one of the potential factors involved in the pathogenesis of emphysema. Recently, exogenous recombinant human keratinocyte growth factor (rHuKGF) has been reported to induce the regeneration of gas exchange structures. Therefore, the rationale of the present study was to investigate the potential effect of rHuKGF in ameliorating tissue destruction in the emphysematous mice lungs. Four experimental groups (i.e. control-, emphysema-, therapy- and therapy control-group) were prepared...
January 2017: Inhalation Toxicology
https://www.readbyqxmd.com/read/28159737/stem-and-progenitor-cell-alterations-in-myelodysplastic-syndromes
#8
REVIEW
Aditi Shastri, Britta Will, Ulrich Steidl, Amit Verma
Recent studies have demonstrated that myelodysplastic syndromes (MDSs) arise from a small population of disease-initiating hematopoietic stem cells (HSCs) that persist and expand through conventional therapies and are major contributors to disease progression and relapse. MDS stem and progenitor cells are characterized by key founder and driver mutations and are enriched for cytogenetic alterations. Quantitative alterations in hematopoietic stem and progenitor cell (HSPC) numbers are also seen in a stage-specific manner in human MDS samples as well as in murine models of the disease...
March 23, 2017: Blood
https://www.readbyqxmd.com/read/28094224/synthesis-of-pharmacologically-important-naphthoquinones-and-anticancer-activity-of-2-benzyllawsone-through-dna-topoisomerase-ii-inhibition
#9
Balagani Sathish Kumar, Kusumoori Ravi, Amit Kumar Verma, Kaneez Fatima, Mohammad Hasanain, Arjun Singh, Jayanta Sarkar, Suaib Luqman, Debabrata Chanda, Arvind S Negi
Naphthoquinones are naturally occurring biologically active entities. Practical de novo syntheses of three naphthoquinones i.e. lawsone (1), lapachol (2), and β-lapachone (3b) have been achieved from commercially available starting materials. The conversion of lapachol (2) to β-lapachone (3b) was achieved through p-TSA/Iodine/BF3-etherate mediated regioselective cyclisation. Further, 2-alkyl and 2-benzyllawsone derivatives have been prepared as possible anticancer agents. Four derivatives exhibited significant anticancer activity and the best analogue i...
December 28, 2016: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28087116/application-of-whole-exome-sequencing-in-elucidating-the-phenotype-and-genotype-spectrum-of-junctional-epidermolysis-bullosa-a-preliminary-experience-of-a-tertiary-care-centre-in-india
#10
Vamsi K Yenamandra, Shamsudheen K Vellarikkal, Manoj Kumar, Madhumita R Chowdhury, Rijith Jayarajan, Ankit Verma, Vinod Scaria, Sridhar Sivasubbu, Subrata B Ray, Amit K Dinda, Madhulika Kabra, Punit Kaur, Vinod K Sharma, Gomathy Sethuraman
BACKGROUND: Junctional epidermolysis bullosa (JEB) is a diverse group of genodermatoses associated with extreme skin fragility. Despite several well-characterized genetic studies, molecular diagnosis of this heterogeneous group is still challenging. Recent advances in the field of genomics have seen the successful implementation of whole exome sequencing (WES) as a fast and efficient diagnostic strategy in several genodermatoses. OBJECTIVE: In view of the scarcity and need of molecular studies for JEB in India, we sought to explore the potential of WES in understanding the mutational spectrum of this rare, in certain subtypes lethal, sub-group of EB...
April 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28079009/emerging-roles-of-calreticulin-in-cancer-implications-for-therapy
#11
Kavya Venkateswaran, Amit Verma, Anant Narayan Bhatt, Anju Shrivastava, Kailash Manda, Hanumantharao G Raj, Ashok Prasad, Christophe Len, Virinder S Parmar, Bilikere Dwarakanath
Calreticulin (CRT), initially identified as a ubiquitous calcium-binding protein in the endoplasmic reticulum, has emerged as a multifunctional protein with roles in calcium homeostasis, molecular chaperoning and cell adhesion. Emerging evidence suggests its involvement in tumorigenesis facilitating proliferation, migration, and adhesion. CRT translocated to the cell surface (ecto-CRT) serves as a phagocytic signal for immunogenic cell death (ICD) mediated through dendritic cells (DCs) and cytotoxic T-cell activation thereby making tumors susceptible to immunotherapy-based anti-cancer strategies...
January 11, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/28031539/recurrent-genetic-defects-on-chromosome-5q-in-myeloid-neoplasms
#12
Naoko Hosono, Hideki Makishima, Reda Mahfouz, Bartlomiej Przychodzen, Kenichi Yoshida, Andres Jerez, Thomas LaFramboise, Chantana Polprasert, Michael J Clemente, Yuichi Shiraishi, Kenichi Chiba, Hiroko Tanaka, Satoru Miyano, Masashi Sanada, Edward Cui, Amit K Verma, Michael A McDevitt, Alan F List, Yogen Saunthararajah, Mikkael A Sekeres, Jacqueline Boultwood, Seishi Ogawa, Jaroslaw P Maciejewski
BACKGROUND: Deletion of chromosome 5q (del(5q)) is the most common karyotypic abnormality in myeloid neoplasms. MATERIALS AND METHODS: To define the pathogenic molecular features associated with del(5q), next-generation sequencing was applied to 133 patients with myeloid neoplasms (MDS; N = 69, MDS/MPN; N = 5, sAML; N = 29, pAML; N = 30) with del(5q) as a sole abnormally or a part of complex karyotype and results were compared to molecular features of patients diploid for chr5...
January 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28018084/recurrent-anterior-instability-of-the-shoulder-associated-with-coracoid-fracture-an-unusual-presentation
#13
Nikhil Verma, Deepak Chahar, Ankit Chawla, Ravi Sreenivasan, Amite Pankaj
Recurrent anterior shoulder instability following shoulder dislocation has an incidence as high as 68% among the younger population, however its association with coracoid fracture is extremely rare. Majority of coracoid fractures reported earlier have been shown to be associated with seizure disorder. We report a case of displaced coracoid fracture associated with recurrent anterior instability in a patient with no history of seizure disorder and its implications in causation as well as management are discussed...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28018068/customized-iliac-prosthesis-for-reconstruction-in-giant-cell-tumour-a-unique-treatment-approach
#14
Tarun Verma, Ankur Sharma, Amit Sharma, Lalit Maini
Giant cell tumour (GCT) of flat bones of pelvis is extremely rare. GCT of the ilium and ischium represent less than 0.05% of all GCT. Iliac bone GCT has been treated traditionally by intra-lesion curettage with bone grafting, wide resection with or without reconstruction and hemi-pelvectomy in very aggressive tumours. None of the above treatments were without morbidities. Reconstruction using bone grafts and bone cement has also been inadequate. In GCT, where life expectancy is not decreased significantly, surgical treatment should be aimed at giving optimum functional outcome...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28018062/non-union-fracture-neck-femur-in-a-toddler-reconstructed-by-valgus-osteotomy-a-minimally-invasive-approach
#15
Amit Sharma, Anurag Tiwari, Tarun Verma, Lalit Maini
BACKGROUND: Non-union is one of the devastating complications of fracture neck of femur. Though a very rarely encountered entity in a toddler (1-3 years paediatric age group), non-united femoral neck fractures are reported in developing countries because of mismanagement by quacks and delay in referrals. For operative treatment, many different procedures have been described, including close/open reduction and internal fixation using K-wires, cannulated screws, fibula or nails. There is no evidence in the literature that one or other implant influences the rate of postoperative complications, such as avascular femoral head necrosis or coxa vara...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/27977152/life-cycle-analysis-of-bitumen-transportation-to-refineries-by-rail-and-pipeline
#16
Balwinder Nimana, Aman Verma, Giovanni Di Lullo, Md Mustafizur Rahman, Christina E Canter, Babatunde Olateju, Hao Zhang, Amit Kumar
Crude oil is currently transported primarily by pipelines and rail from extraction sites to refineries around the world. This research evaluates energy use and greenhouse gas (GHG) emissions for three scenarios (synthetic crude oil and dilbit with and without diluent return) in which 750 000 bpd of Alberta's bitumen is transported 3000 km to determine which method has a lower environmental impact. Each scenario has a pipeline and rail pathway, and the dilbit without diluent return scenario has an additional heated bitumen pathway, which does not require diluent...
January 3, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/27909050/notch-pathway-is-activated-via-genetic-and-epigenetic-alterations-and-is-a-therapeutic-target-in-clear-cell-renal-cancer
#17
Tushar D Bhagat, Yiyu Zou, Shizheng Huang, Jihwan Park, Matthew B Palmer, Caroline Hu, Weijuan Li, Niraj Shenoy, Orsolya Giricz, Gaurav Choudhary, Yiting Yu, Yi-An Ko, María C Izquierdo, Ae Seo Deok Park, Nishanth Vallumsetla, Remi Laurence, Robert Lopez, Masako Suzuki, James Pullman, Justin Kaner, Benjamin Gartrell, A Ari Hakimi, John M Greally, Bharvin Patel, Karim Benhadji, Kith Pradhan, Amit Verma, Katalin Susztak
Clear cell renal cell carcinoma (CCRCC) is an incurable malignancy in advanced stages and needs newer therapeutic targets. Transcriptomic analysis of CCRCCs and matched microdissected renal tubular controls revealed overexpression of NOTCH ligands and receptors in tumor tissues. Examination of the TCGA RNA-seq data set also revealed widespread activation of NOTCH pathway in a large cohort of CCRCC samples. Samples with NOTCH pathway activation were also clinically distinct and were associated with better overall survival...
January 20, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27867885/trimester-specific-reference-interval-for-thyroid-hormones-during-pregnancy-at-a-tertiary-care-hospital-in-haryana-india
#18
Rajesh Rajput, Bhagat Singh, Vasudha Goel, Amit Verma, Shashi Seth, Smiti Nanda
BACKGROUND: Reference intervals for thyroid hormone during pregnancy need to be gestational age, method, and population specific and there is need to establish trimester-specific thyroid levels for the different population across the world. The aim of this study was to establish trimester-specific reference range for thyroid hormone during pregnancy in a tertiary care center in Haryana. MATERIALS AND METHODS: A total of 1430 pregnant women were recruited for the study...
November 2016: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27847209/in-vivo-study-for-anti-hyperglycemic-potential-of-aqueous-extract-of-basil-seeds-ocimum-basilicum-linn-and-its-influence-on-biochemical-parameters-serum-electrolytes-and-haematological-indices
#19
Sachin Chaudhary, Amit Semwal, Hitesh Kumar, Harish Chandra Verma, Amit Kumar
The study introduced anti-hyperglycemic influence of aqueous extract of Ocimum basilicum seeds (AEOBS) in Streptozotocin (STZ) induced diabetic rats and estimating its potential to ameliorate altered level of biochemical parameters, serum electrolytes level and haematological indices along with its effect on body weight of treated rats. The albino rats were selected to observe oral glucose tolerance test by oral intake of aq. glucose solution (4g/kg, body weight) in normal rats and estimation of blood glucose level after administration of AEOBS at 250mg/kg, 500mg/kg and standard drug glibenclamide at 0...
December 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27833663/genome-sequencing-assembly-annotation-and-analysis-of%C3%A2-staphylococcus-xylosus%C3%A2-strain-dmb3-bh1-reveals-genes-responsible-for-pathogenicity
#20
Gurwinder Kaur, Amit Arora, Sathyaseelan Sathyabama, Nida Mubin, Sheenam Verma, Shanmugam Mayilraj, Javed N Agrewala
BACKGROUND: Staphylococcus xylosus is coagulase-negative staphylococci (CNS), found occasionally on the skin of humans but recurrently on other mammals. Recent reports suggest that this commensal bacterium may cause diseases in humans and other animals. In this study, we present the first report of whole genome sequencing of S. xylosus strain DMB3-Bh1, which was isolated from the stool of a mouse. RESULTS: The draft genome of S. xylosus strain DMB3-Bh1 consisted of 2,81,0255 bp with G+C content of 32...
2016: Gut Pathogens
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