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Amit K. Verma

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https://www.readbyqxmd.com/read/28714383/novel-mannich-bases-as-potential-anticonvulsants-syntheses-characterization-and-biological-evaluation
#1
Amit Kumar Keshari, Aseem Tewari, Shweta Singh Verma, Shailendra K Saraf
BACKGROUND: Mannich bases are known to be an important pharmacophore or bioactive leads in the synthesis of various potential agents that have a variety of therapeutic activities like anticancer, antipsychotic, anticonvulsant, antimalarial, anti-inflammatory, antibacterial and so forth. Thus, in the present research, conjugation of moieties like 1,5-benzoxazepines and 1,5-benzothiazepines with secondary amines like piperazine, methyl piperazine and morpholine was carried out in a Mannich base with an anticipation of good anticonvulsant activity...
July 17, 2017: Central Nervous System Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28708503/effect-of-dietary-supplementation-of-omega-3-polyunsaturated-fatty-acid-pufa-rich-fish-oil-on-reproductive-performance-of-the-goat-capra-hircus
#2
Ajit Singh Mahla, Ravjibhai K Chaudhari, Atul Kumar Verma, Amit Kumar Singh, Sanjay Kumar Singh, Gyanendra Singh, Mihir Sarkar, Narayan Dutta, Harendra Kumar, Narayanan Krishnaswamy
Dietary supplementation of n-3 PUFA decreases the luteolytic PGF2α and improves the pregnancy rate in the dairy cow. However, its effect in the goat is not known. Accordingly, we studied the effect of supplementation of n-3 PUFA rich Fish oil (FO) on different reproductive events in the goat. Cycling goats (n = 30) were divided into two equal groups and fed an isocaloric and isonitrogenous diet supplemented with either FO (TRT; n = 15) or palm oil (PO) (CON; n = 15) @ 0.6 mL/kg body weight for 72 days during the breeding season...
May 26, 2017: Theriogenology
https://www.readbyqxmd.com/read/28684379/pharmacokinetics-directed-intravenous-busulfan-combined-with-high-dose-melphalan-and-bortezomib-as-a-conditioning-regimen-for-patients-with-multiple-myeloma
#3
Stefan K Barta, Rishi Jain, Amithaba Mazumder, Jason Carter, Lawrence Almanzar, Roy Browne, Samira Shahnaz, Richard Elkind, David Kaminetzky, Ramakrishna Battini, Olga Derman, Noah Kornblum, Amit Verma, Ira Braunschweig
BACKGROUND: High-dose chemotherapy followed by autologous stem cell transplantation (ASCT) has a well-established role in the treatment of patients with multiple myeloma. Melphalan 200 mg/m(2) (Mel200) is the most commonly used preparative regimen. Several studies have provided evidence for potential synergism and safety when combining bortezomib (Btz) or busulfan (Bu) with melphalan (Mel). PATIENTS AND METHODS: We conducted a prospective phase II study to investigate the safety and efficacy of conditioning with pharmacokinetics (PK)-directed intravenous (IV) Bu with Btz and Mel...
June 17, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28675459/stimulation-of-adrenergic-activity-by-desipramine-enhances-hematopoietic-stem-and-progenitor-cell-mobilization-along-with-g-csf-in-multiple-myeloma-a-pilot-study
#4
Aditi Shastri, Anjali Budhathoki, Stefan K Barta, Noah Kornblum, Olga Derman, Ramakrishna Battini, Radha Ragupathy, Amit Verma, Paul S Frenette, Ira Braunschweig, Murali Janakiram
Hematopoietic stem cell (HSC) release is positively regulated by the sympathetic nervous system through the β3 adrenergic receptor. Preclinical studies have demonstrated that the combination of desipramine and G-CSF resulted in improved HSC mobilization. Here we present the results of an open-label single-arm pilot study in patients with multiple myeloma undergoing autologous stem cell transplantation (ASCT) to assess the safety and efficacy of desipramine combined with G-SCF to induce HSC mobilization. The primary endpoint was safety of the combination including engraftment kinetics...
July 4, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28636756/chemical-composition-and-allelopathic-antibacterial-antifungal-and-antiacetylcholinesterase-activity-of-fish-mint-houttuynia-cordata-thunb-from-india
#5
Ram S Verma, Neeta Joshi, Rajendra C Padalia, Ved R Singh, Prakash Goswami, Ajay Kumar, Hina Iqbal, Rajesh K Verma, Debabrata Chanda, Amit Chauhan, Dharmendra Saikia
Fish-mint (Houttuynia cordata Thunb.), belongs to family Saururaceae has long been used as food and traditional herbal medicine. The present study was framed to assess the changes occurring in the essential-oil composition of Houttuynia cordata during annual growth and to evaluate allelopathic, antibacterial, antifungal and antiacetylcholinesterase activities. The essential-oil content ranged from 0.06-0.14% and 0.08-0.16% in aerial-parts and underground-stem, respectively. The essential oils were analysed by GC-FID, GC-MS and NMR ((1) H & (13) C)...
June 21, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28585369/chemical-composition-and-antibacterial-antifungal-allelopathic-and-acetylcholinesterase-inhibitory-activities-of-cassumunar-ginger
#6
Ram S Verma, Neeta Joshi, Rajendra C Padalia, Ved R Singh, Prakash Goswami, Sajendra K Verma, Hina Iqbal, Debabrata Chanda, Rajesh K Verma, Mahendra P Darokar, Amit Chauhan, Manish K Kandwal
BACKGROUND: Zingiber montanum (J.Koenig) Link ex A.Dietr. (Zingiberaceae), commonly known as cassumunar-ginger, is a folk remedy for the treatments of inflammations, sprains, rheumatism and asthma. The aim of this study was to assess the chemical composition, and antibacterial, antifungal, allelopathic and acetylcholinesterase inhibitory activities of the essential oil of Z. montanum originated from India. RESULTS: The hydrodistilled essential oil of Z. montanum rhizome was analyzed using GC-FID and GC-MS...
June 6, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28503683/cellular-evaluation-of-diselenonicotinamide-dsna-as-a-radioprotector-against-cell-death-and-dna-damage
#7
M Raghuraman, Prachi Verma, Amit Kunwar, Prasad P Phadnis, V K Jain, K Indira Priyadarsini
Diselenonicotinamide (DSNA), a synthetic organoselenium compound, was evaluated for its radioprotective effect in cellular models. A clonogenic assay in Chinese Hamster Ovary (CHO) cells and an apoptosis assay in murine splenic lymphocytes indicated that pre-treatment with DSNA at a concentration of 25 μM significantly protected them from radiation-induced cell death. Upon irradiation (1-12 Gy), dose-response studies were carried out under similar treatment conditions, and its dose modification factor (DMF) was estimated to be 1...
June 1, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/28486913/pharmacophore-3d-qsar-models-and-dynamic-simulation-of-1-4-benzothiazines-for-colorectal-cancer-treatment
#8
Amit Rai, Vinit Raj, Mohamed Hodhod Aboumanei, Ashok K Singh, Amit K Keshari, Suraj P Verma, Sudipta Saha
Interleukin-6 has become an attractive protein target. This is found in the progression of colon cancer. It performs various functions in the colon cancer cells such as inflammation, activates various cell types signaling and also promotes proliferation in colon cancer cells. It is a valid target to develop of anticolon cancer drug. The purpose of our study is to develop the Three-dimensional Quantitative Structure-Activity Relationship (3D-QSAR) models, pharmacophore modeling and docking study as well as MD simulation to find out the novel potent inhibitors that bind with Interleukin-6 in colon cancer treatment...
May 9, 2017: Combinatorial Chemistry & High Throughput Screening
https://www.readbyqxmd.com/read/28450372/evolutionary-conservation-and-emerging-functional-diversity-of-the-cytosolic-hsp70-j-protein-chaperone-network-of-arabidopsis-thaliana
#9
Amit K Verma, Danish Diwan, Sandeep Raut, Neha Dobriyal, Rebecca E Brown, Vinita Gowda, Justin K Hines, Chandan Sahi
Heat shock proteins of 70 kDa (Hsp70s) partner with structurally diverse Hsp40s (J proteins), generating distinct chaperone networks in various cellular compartments that perform myriad housekeeping and stress-associated functions in all organisms. Plants, being sessile, need to constantly maintain their cellular proteostasis in response to external environmental cues. In these situations, the Hsp70:J protein machines may play an important role in fine-tuning cellular protein quality control. Although ubiquitous, the functional specificity and complexity of the plant Hsp70:J protein network has not been studied...
June 7, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28405618/efficacy-of-alk5-inhibition-in-myelofibrosis
#10
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/28320576/platelet-count-and-total-and-cause-specific-mortality-in-the-women-s-health-initiative
#11
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/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
#12
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...
May 2017: Cell Stress & Chaperones
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
#13
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/28031539/recurrent-genetic-defects-on-chromosome-5q-in-myeloid-neoplasms
#14
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/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/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
#16
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/27753658/immunohistochemical-expression-of-antitissue-transglutaminase-2-in-tissue-injuries-an-interpretation-beyond-celiac-disease
#17
Prasenjit Das, Ramakant Rawat, Anil K Verma, Geetika Singh, Archana G Vallonthaiel, Rajni Yadav, Gaurav P S Gahlot, Amit K Dinda, Vineet Ahuja, Siddhartha Datta Gupta, Sanjay K Agarwal, Govind K Makharia
Tissue transglutaminase 2 enzyme plays a diverse role in intracellular and extracellular functioning. Aberrant expression of anti-TG2 antibody has recently been proposed for extraintestinal identification of celiac disease (CeD), but its utility is questionable. To examine whether anti-TG2 immunohistochemical (IHC) staining can be of diagnostic value in identifying extraintestinal involvement in CeD, tissue blocks of patients with IgA nephropathies (IgAN), minimal change disease, membranous glomerulonephritis, membrano-proliferative glomerulonephritis, normal kidney, intestinal biopsies from CeD, tropical sprue, nonspecific duodenitis, and inflammatory bowel disease; liver biopsies from patients with chronic hepatitis B and C, acute liver failure (ALF), and CeD-associated liver diseases were retrieved and subjected to IHC staining for anti-tissue transglutaminase 2 enzyme...
October 7, 2016: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/27651574/a-retrospective-case-control-study-evaluating-the-role-of-mifepristone-for-induction-of-labor-in-women-with-previous-cesarean-section
#18
Chanderdeep Sharma, Anjali Soni, Pawan K Soni, Suresh Verma, Ashok Verma, Amit Gupta
OBJECTIVE: To investigate the role of "mifepristone" for induction of labor (IOL) in pregnant women with prior cesarean section (CS). METHODS: In this retrospective study, all pregnant women with prior CS who received oral mifepristone (400 mg) for IOL (as per clear obstetric indications) [group 1] were compared with pregnant women with prior CS who had spontaneous onset of labor (SOL) [group 2], with respect to incidence of vaginal delivery, CS, duration of labor, and various maternal and fetal outcomes...
October 2016: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/27542713/dihydroxyselenolane-dhs-supplementation-improves-survival-following-whole-body-irradiation-wbi-by-suppressing-tissue-specific-inflammatory-responses
#19
Amit Kunwar, Prachi Verma, H N Bhilwade, Michio Iwaoka, K Indira Priyadarsini
Dihydroxyselenolane (DHS), a simple water-soluble organoselenium compound, was evaluated for radioprotection in BALB/c mice after whole-body irradiation (WBI) (8Gy (60)Co, 1Gy/min), by monitoring 30-d post-irradiation survival and biochemical/histological changes in radiosensitive organs. Intraperitoneal administration of DHS at 2mg/kg for five consecutive days before irradiation and three times per week during the post-irradiation period showed maximum benefit (40% improvement in 30 d post-irradiation survival)...
September 1, 2016: Mutation Research. Genetic Toxicology and Environmental Mutagenesis
https://www.readbyqxmd.com/read/27530498/prospective-evaluation-of-intra-operative-quick-parathyroid-hormone-assay-as-an-early-predictor-of-post-thyroidectomy-hypocalcaemia
#20
Ashwini C Reddy, Gyan Chand, M Sabaretnam, Anjali Mishra, Gaurav Agarwal, Amit Agarwal, A K Verma, S K Mishra
BACKGROUND: Hypocalcaemia following total thyroidectomy is a major contributing factor in delayed hospital discharge and dissuading surgeons from day care thyroidectomy. We prospectively evaluated the utility of Intra-operative serum quick parathyroid hormone level measurement twenty minutes after total thyroidectomy in predicting post-operative hypocalcemia. MATERIAL AND METHODS: Prospective longitudinal study which included patients undergoing total thyroidectomy for benign or malignant thyroid disorders at SGPGIMS, Lucknow, India from November 2013 to February 2015...
October 2016: International Journal of Surgery
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