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https://www.readbyqxmd.com/read/28109916/polyphenolic-enriched-extract-of-cassia-glauca-lamk-improves-streptozotocin-induced-type-1-diabetes-linked-with-partial-insulin-resistance-in-rats
#1
V P Veerapur, V Pratap, B S Thippeswamy, P Marietta, P Bansal, P V Kulkarni, V H Kulkarni
ETHNOPHARMACOLOGICAL RELEVANCE: Traditionally Cassia glauca (CG) has been used to treat diabetes. AIM OF THE STUDY: The study was undertaken to evaluate anti-diabetic and antioxidant activity of poly phenolic enriched extract of CG in standardized streptozotocin (STZ)-induced diabetic rats. MATERIALS AND METHODS: The effect of ethanol (CGE) and water (CGW) extracts of CG (200 and 400mg/kg) treatment were evaluated in STZ (50mg/kg, iv) induced diabetic rats...
January 18, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28107464/seed-detection-and-discrimination-by-ground-beetles-coleoptera-carabidae-are-associated-with-olfactory-cues
#2
Sharavari S Kulkarni, Lloyd M Dosdall, John R Spence, Christian J Willenborg
Olfactory ability is an element of fitness in many animals, guiding choices among alternatives such as mating partners or food. Ground beetles (Coleoptera; Carabidae), exhibit preferences for prey, and some species are well-known weed seed predators. We used olfactometer-based bioassays to determine if olfactory stimuli are associated with detection of Brassica napus L., Sinapis arvensis L., and Thlaspi arvense L. seeds by ground beetles characteristic of agroecosystems, and whether behavioural responses to seed odors depended on seed physiological state (imbibed or unimbibed)...
2017: PloS One
https://www.readbyqxmd.com/read/28104252/novel-zebrafish-eae-model-a-quick-in-vivo-screen-for-multiple-sclerosis
#3
Pushkar Kulkarni, Swapna Yellanki, Raghavender Medishetti, Dharmarajan Sriram, Uday Saxena, Perumal Yogeeswari
INTRODUCTION: Pre-clinical drug discovery for multiple sclerosis (MS) is a labor intensive activity to perform in rodent models. This is owing to the long duration of disease induction and observation of treatment effects in an experimental autoimmune encephalomyelitis (EAE) model. We propose a novel adult zebrafish based model which offers a quick and simple protocol that can used to screen candidates as a step between in vitro experiments and rodent studies. The experiments conducted for this manuscript were to standardize a suitable model of EAE in adult zebrafish and validate it using known modulators...
January 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28103441/enantio-specific-allosteric-modulation-of-cannabinoid-1-receptor
#4
Robert B Laprairie, Pushkar M Kulkarni, Jeffrey R Deschamps, Melanie E M Kelly, David R Janero, Maria G Cascio, Lesley A Stevenson, Roger G Pertwee, Terry Kenakin, Eileen M Denovan-Wright, Ganesh A Thakur
The cannabinoid 1 receptor (CB1R) is one of the most widely expressed metabotropic G protein-coupled receptors in brain, and its participation in various (patho)physiological processes has made CB1R activation a viable therapeutic modality. Adverse psychotropic effects limit the clinical utility of CB1R orthosteric agonists and have promoted the search for CB1R positive allosteric modulators (PAMs) with the promise of improved drug-like pharmacology and enhanced safety over typical CB1R agonists. In this study, we describe the synthesis and in vitro and ex vivo pharmacology of the novel allosteric CB1R modulator GAT211 (racemic) and its resolved enantiomers, GAT228 (R) and GAT229 (S)...
January 19, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28103012/a-bi-modal-cationic-and-water-soluble-calix-4-arene-conjugate-design-synthesis-characterization-and-transfection-of-rfp-encoded-plasmid-in-cancer-cells
#5
Kushal Samanta, Dnyanesh S Ranade, Aekta Upadhyay, Prasad Padmakar Kulkarni, Chebrolu Pulla Rao
A new bimodal fluorescent cationic calix[4]arene (L1) conjugate has been synthesized in multiple steps and well characterized by NMR and ESI-MS techniques. L1 has been investigated for its DNA binding ability by various spectroscopy techniques like, absorption, fluorescence and circular dichroism (CD). The formation of L1-DNA complex has been confirmed by the gel electrophoresis in presence of incremental concentration of L1. To visualize the packing of the plasmid (pBR322), detailed tapping mode AFM study has been performed, which revealed blob like structure of plasmid upon addition of the incremental amount of L1...
January 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28102051/t-cell-immunoglobulin-mucin-3-blockade-drives-an-antitumor-immune-response-in-head-and-neck-cancer
#6
Jian-Feng Liu, Si-Rui Ma, Liang Mao, Lin-Lin Bu, Guang-Tao Yu, Yi-Cun Li, Cong-Fa Huang, Wei-Wei Deng, Ashok B Kulkarni, Wen-Feng Zhang, Zhi-Jun Sun
T-cell immunoglobulin mucin 3 (TIM3) contributes to immune suppression during progression of many cancers, but the precise role of TIM3 in head and neck squamous cell carcinoma (HNSCC) is not clearly understood. In this study, we report that TIM3 expression was significantly up-regulated in patients with HNSCC and associated with lymph node metastasis. Additionally, TIM3 expression was increased in patients with recurrent HNSCC and patients with preradiotherapy or prechemotherapy. We also characterized CD8(+) T cells and CD11b(+) CD33(+) myeloid-derived suppressor cells (MDSCs) in human HNSCC, and found that their expression was positively correlated with TIM3 expression...
December 15, 2016: Molecular Oncology
https://www.readbyqxmd.com/read/28098092/haemoglobin-h-disease-all-in-the-family
#7
Jayashree D Kulkarni
No abstract text is available yet for this article.
September 2016: National Medical Journal of India
https://www.readbyqxmd.com/read/28096918/perioperative-outcomes-following-radical-prostatectomy-for-patients-with-disseminated-cancer-an-analysis-of-the-national-surgical-quality-improvement-program-database
#8
Raj Satkunasivam, Christopher J D Wallis, James Byrne, Azik Hoffman, Douglas C Cheung, Girish S Kulkarni, Avery B Nathens, Robert K Nam
INTRODUCTION: We sought to determine whether patients undergoing radical prostatectomy (RP) in the context of disseminated cancer have higher 30-day complications. METHODS: We conducted a retrospective cohort study of the National Surgical Quality Improvement Program (NSQIP) database. Men undergoing RP (from January 1, 2005 to December 31, 2014) for prostate cancer were identified and stratified by presence (n=97) or absence (n=27 868) of disseminated cancer. The primary outcome was major complications (death, re-operation, cardiac or neurologic events) within 30 days of surgery...
November 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28094782/cocaine-enhances-dc-to-t-cell-hiv-1-transmission-by-activating-dc-sign-larg-lsp1-complex-and-facilitating-infectious-synapse-formation
#9
Anil Prasad, Rutuja Kulkarni, Shuxian Jiang, Jerome E Groopman
DC-SIGN is a dendritic cell surface structure which participates in binding and transmission of HIV-1. Here, for the first time we demonstrate that cocaine induces over expression of DC-SIGN and significantly enhances virus transfer from DCs to T-cells by increasing the binding and internalization of HIV-1 in DCs. We found that cocaine activates a DC-SIGN mediated 'signalosome' complex by enhancing its association with LARG and LSP1. Further, LARG was observed to participate in DC-SIGN mediated internalization of HIV-1 in DCs...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28094377/mechanistic-insights-into-heterogeneous-methane-activation
#10
Allegra A Latimer, Hassan Aljama, Arvin Kakekhani, Jong Suk Yoo, Ambarish Kulkarni, Charlie Tsai, Max Garcia-Melchor, Frank Abild-Pedersen, Jens K Nørskov
While natural gas is an abundant chemical fuel, its low volumetric energy density has prompted a search for catalysts able to transform methane into more useful chemicals. This search has often been aided through the use of transition state (TS) scaling relationships, which estimate methane activation TS energies as a linear function of a more easily calculated descriptor, such as final state energy, thus avoiding tedious TS energy calculations. It has been shown that methane can be activated via a radical or surface-stabilized pathway, both of which possess a unique TS scaling relationship...
January 17, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28094219/3-4-dihydropyrimidinone-coumarin-analogues-as-a-new-class-of-selective-agent-against-s-aureus-synthesis-biological-evaluation-and-molecular-modelling-study
#11
Nirmala S Naik, Lokesh A Shastri, Shrinivas D Joshi, Sheshagiri R Dixit, Bahubali M Chougala, S Samundeeswari, Megharaj Holiyachi, Farzanabi Shaikh, Jyoti Madar, Rashmi Kulkarni, Vinay Sunagar
Bacterial infections are increasingly difficult to combat as bacteria evolve resistance to antibiotic drugs and have severely compromised the arsenal of antibiotic drugs. On the other hand matrix metalloproteinases (MMPs) play a fundamental role in inflammation and extracellular matrix degradation in physiological and pathological conditions. In search of potent antibiotic, taking coumarin and dihydropyrimidinone as lead compound, a green, eco-friendly and efficient protocol has been developed and synthesized the dihydropyrimidin-2(1H)-one/thione derivatives of coumarin 3/4 from substituted 4-formylcoumarins 2 and ethylacetoacetate using urea/thiourea in the presence of catalytic amount of ceric ammonium nitrate is reported...
January 5, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28093926/oestradiol-treatment-for-mood-stabilisation-in-borderline-personality-disorder
#12
Jasmin Grigg, Caroline Thew, Jayashri Kulkarni
No abstract text is available yet for this article.
January 1, 2017: Australian and New Zealand Journal of Psychiatry
https://www.readbyqxmd.com/read/28091566/efficient-generation-of-hpsc-derived-midbrain-dopaminergic-neurons-in-a-fully-defined-scalable-3d-biomaterial-platform
#13
Maroof M Adil, Gonçalo M C Rodrigues, Rishikesh U Kulkarni, Antara T Rao, Nicole E Chernavsky, Evan W Miller, David V Schaffer
Pluripotent stem cells (PSCs) have major potential as an unlimited source of functional cells for many biomedical applications; however, the development of cell manufacturing systems to enable this promise faces many challenges. For example, there have been major recent advances in the generation of midbrain dopaminergic (mDA) neurons from stem cells for Parkinson's Disease (PD) therapy; however, production of these cells typically involves undefined components and difficult to scale 2D culture formats. Here, we used a fully defined, 3D, thermoresponsive biomaterial platform to rapidly generate large numbers of action-potential firing mDA neurons after 25 days of differentiation (~40% tyrosine hydroxylase (TH) positive, maturing into 25% cells exhibiting mDA neuron-like spiking behavior)...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28091393/viral-blips-were-infrequent-in-treatment-naive-adults-treated-with-rilpivirine-emtricitabine-tenofovir-df-or-efavirenz-emtricitabine-tenofovir-df-through-96-weeks
#14
Danielle P Porter, Rima Kulkarni, Will Garner, Michael D Miller, Kirsten L White
BACKGROUND: The clinical impact of transient episodes of HIV viremia (viral blips) on virologic failure and resistance development is not fully understood. Here we investigated the blip frequency and virologic outcomes of HIV-1-infected subjects experiencing viral blips among treatment-naïve subjects initiating therapy on rilpivirine (RPV)/emtricitabine (FTC)/tenofovir disoproxil fumarate (TDF) or efavirenz (EFV)/FTC/TDF through 96 weeks of treatment. METHODS: Subjects treated with at least one dose of study drug and with at least one post-baseline HIV-1 RNA value were included in this analysis...
January 16, 2017: Antiviral Therapy
https://www.readbyqxmd.com/read/28088555/injury-in-pelvic-fracture-urethral-injury-is-membrano-bulbar-fact-or-myth
#15
Pankaj M Joshi, Devang J Desai, Darshan Shah, Devashree Joshi, Sanjay B Kulkarni
Pelvic fracture urethral injuries (PFUI) commonly result from motor vehicle collisions. The mechanism of injury conventionally thought was a shearing injury at the membranous urethra, which would destroy the striated sphincter. Continence would therefore depend on the bladder neck. Striated sphincter and site of injury has not been shown clearly on preoperative imaging. We demonstrate a our protocol of performing MRI whereby the membranous sphincter is seen intact and the injury is shown to be at the membrano-bulbar junction contrary to conventional belief...
January 11, 2017: Urology
https://www.readbyqxmd.com/read/28087730/a-novel-role-of-chromodomain-protein-cbx8-in-dna-damage-response
#16
Jay Oza, Bratati Ganguly, Atul Kulkarni, Vasudeva Ginjala, Ming Yao, Shridar Ganesan
No abstract text is available yet for this article.
January 13, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28079205/reversible-control-of-solubility-using-functionalized-nanoparticles
#17
Samir A Kulkarni, Allan S Myerson
The paper provides a novel method for the reversible control of solubility by use of functionalized nanoparticles. The nanoparticles are functionalized with functional groups that can act as a co-solvent or anti-solvent and thus can induce either dissolution or crystallization. The process is reversible, as the solution will go back to its original state when the nanoparticles are removed. The use of magnetic nanoparticles facilitates this reversibility. Reductions in solubility (and thus crystallization) were demonstrated for d-mannitol-water, sodium chloride-water and fenofibrate-ethyl acetate systems...
January 12, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28078816/smoking-and-orthopaedic-surgery-does-the-evidence-support-rationing-of-care
#18
Kunal Kulkarni, St John Karssiens, Holly Massie, Hemant Pandit
No abstract text is available yet for this article.
January 12, 2017: Musculoskeletal Care
https://www.readbyqxmd.com/read/28076709/phase-3-trial-of-177-lu-dotatate-for-midgut-neuroendocrine-tumors
#19
RANDOMIZED CONTROLLED TRIAL
Jonathan Strosberg, Ghassan El-Haddad, Edward Wolin, Andrew Hendifar, James Yao, Beth Chasen, Erik Mittra, Pamela L Kunz, Matthew H Kulke, Heather Jacene, David Bushnell, Thomas M O'Dorisio, Richard P Baum, Harshad R Kulkarni, Martyn Caplin, Rachida Lebtahi, Timothy Hobday, Ebrahim Delpassand, Eric Van Cutsem, Al Benson, Rajaventhan Srirajaskanthan, Marianne Pavel, Jaime Mora, Jordan Berlin, Enrique Grande, Nicholas Reed, Ettore Seregni, Kjell Öberg, Maribel Lopera Sierra, Paola Santoro, Thomas Thevenet, Jack L Erion, Philippe Ruszniewski, Dik Kwekkeboom, Eric Krenning
Background Patients with advanced midgut neuroendocrine tumors who have had disease progression during first-line somatostatin analogue therapy have limited therapeutic options. This randomized, controlled trial evaluated the efficacy and safety of lutetium-177 ((177)Lu)-Dotatate in patients with advanced, progressive, somatostatin-receptor-positive midgut neuroendocrine tumors. Methods We randomly assigned 229 patients who had well-differentiated, metastatic midgut neuroendocrine tumors to receive either (177)Lu-Dotatate (116 patients) at a dose of 7...
12, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28066794/altered-monocyte-and-endothelial-cell-adhesion-molecule-expression-is-linked-to-vascular-inflammation-in-human-immunodeficiency-virus-infection
#20
Manjusha Kulkarni, Emily Bowman, Janelle Gabriel, Taylor Amburgy, Elizabeth Mayne, David A Zidar, Courtney Maierhofer, Abigail Norris Turner, Jose A Bazan, Susan L Koletar, Michael M Lederman, Scott F Sieg, Nicholas T Funderburg
BACKGROUND: Human immunodeficiency virus (HIV)-infected individuals have increased risk for vascular thrombosis, potentially driven by interactions between activated leukocytes and the endothelium. METHODS: Monocyte subsets (CD14(+)CD16(-), CD14(+)CD16(+), CD14(Dim)CD16(+)) from HIV negative (HIV(-)) and antiretroviral therapy-treated HIV positive (HIV(+)) participants (N = 19 and 49) were analyzed by flow cytometry for adhesion molecule expression (lymphocyte function-associated antigen 1 [LFA-1], macrophage-1 antigen [Mac-1], CD11c/CD18, very late antigen [VLA]-4) and the fractalkine receptor (CX3CR1); these receptors recognize ligands (intercellular adhesion molecules [ICAMs], vascular cell adhesion molecule [VCAM]-1, fractalkine) on activated endothelial cells (ECs) and promote vascular migration...
October 2016: Open Forum Infectious Diseases
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