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Satish Rao

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https://www.readbyqxmd.com/read/28422390/naringin-abates-adverse-effects-of-cadmium-mediated-hepatotoxicity-an-experimental-study-using-hepg2-cells
#1
Visesh Kumar Rathi, Shubhankar Das, Archana Parampalli Raghavendra, Bola Sadashiva Satish Rao
This study investigated the protective potential of Naringin (NIN) against cadmium chloride (CdCl2 ) mediated hepatotoxicity using human hepatocellular carcinoma (HepG2) cells. An optimal concentration of NIN (5 μM) was potent enough to confer cytoprotection against CdCl2 (50 μM) as was observed by MTT assay. Preconditioning with NIN maintained redox homeostasis, mitochondrial membrane potential, and reduced apoptosis as marked by decrease in the percentage sub-G0 /G1 and Annexin V-FITC/propidium iodide positive cells (apoptotic)...
April 19, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28367561/cancerous-perturbations-within-the-erk-pi3k-akt-and-wnt-%C3%AE-catenin-signaling-network-constitutively-activate-inter-pathway-positive-feedback-loops
#2
Rahul Rao Padala, Rishabh Karnawat, Satish Bharathwaj Viswanathan, Abhishek Vijay Thakkar, Asim Bikas Das
Perturbations in molecular signaling pathways are a result of genetic or epigenetic alterations, which may lead to malignant transformation of cells. Despite cellular robustness, specific genetic or epigenetic changes of any gene can trigger a cascade of failures, which result in the malfunctioning of cell signaling pathways and lead to cancer phenotypes. The extent of cellular robustness has a link with the architecture of the network such as feedback and feedforward loops. Perturbation in components within feedback loops causes a transition from a regulated to a persistently activated state and results in uncontrolled cell growth...
April 3, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28323273/hydrogen-and-methane-based-breath-testing-in-gastrointestinal-disorders-the-north-american-consensus
#3
Ali Rezaie, Michelle Buresi, Anthony Lembo, Henry Lin, Richard McCallum, Satish Rao, Max Schmulson, Miguel Valdovinos, Salam Zakko, Mark Pimentel
OBJECTIVES: Breath tests (BTs) are important for the diagnosis of carbohydrate maldigestion syndromes and small intestinal bacterial overgrowth (SIBO). However, standardization is lacking regarding indications for testing, test methodology and interpretation of results. A consensus meeting of experts was convened to develop guidelines for clinicians and research. METHODS: Pre-meeting survey questions encompassing five domains; indications, preparation, performance, interpretation of results, and knowledge gaps, were sent to 17 clinician-scientists, and 10 attended a live meeting...
March 21, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28245269/chemogenomics-driven-discovery-of-endogenous-polyketide-anti-infective-compounds-from-endosymbiotic-emericella-variecolor-clb38-and-their-rna-secondary-structure-analysis
#4
H C Yashavantha Rao, Devaraju Rakshith, Ballagere Puttaraju Harini, Doddahosuru Mahadevappa Gurudatt, Sreedharamurthy Satish
In the postgenomic era, a new strategy for chemical dereplication of polyketide anti-infective drugs requires novel genomics and chromatographic strategies. An endosymbiotic fungal strain CLB38 was isolated from the root tissue of Combretum latifolium Blume (Combretaceae) which was collected from the Western Ghats of India. The isolate CLB38 was then identified as Emericella variecolor by its characteristic stellate ascospores culture morphology and molecular analysis of ITS nuclear rDNA and intervening 5.8S rRNA gene sequence...
2017: PloS One
https://www.readbyqxmd.com/read/28235427/efficient-t3p-%C3%A2-mediated-synthesis-differential-cytotoxicity-and-apoptosis-induction-by-indolo-triazolo-thiadiazoles-in-human-breast-adenocarcinoma-cells
#5
Pooja R Kamath, Dhanya Sunil, Shubhankar Das, Abdul Ajees Abdul Salam, B S Satish Rao
The limited efficacy of marketed anticancer agents demands the design of novel target-specific hybrid molecules incorporating multiple bioactive pharmacores to combat cancer. In the present study, a one-pot simple and efficient T3P(®) mediated procedure for the preparation of twelve new 3-(substituted- [1,2,4]triazolo[3,4-b] [1,3,4]thiadiazolo)-1H-indoles with short reaction times, easy workup procedure, good yields, and purity of products is described. Cytotoxicity assay (MTT), flow-cytometric univariate cell cycle analysis, Annexin V-FITC staining and DNA fragmentation for cell death mechanism suggested that compound 3d with chloro-substituted phenyl ring induced enhanced cytotoxicity by an apoptotic pathway with high differential toxicity to breast adenocarcinoma cells (MCF-7) when compared with normal human dermal fibroblast cells...
April 25, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28213093/enhanced-effect-of-geldanamycin-nanocomposite-against-breast-cancer-cells-growing-in-vitro-and-as-xenograft-with-vanquished-normal-cell-toxicity
#6
Suma Prabhu, Preeta Ananthanarayanan, Sajida Kannangar Aziz, Sharada Rai, Srinivas Mutalik, Satish Rao Bola Sadashiva
Despite enormous advances in remedies developed for breast cancer, an effective therapeutic strategy by targeting malignant cells with the least normal tissue toxicity is yet to be developed. Hsp90 is considered to be an important therapeutic target to inhibit cell proliferation. Geldanamycin (GDM), a potent inhibitor of Hsp90 was withdrawn from clinical trials due to its undesirable hepatotoxicity. We report a superparamagnetic iron oxide (SPION) based polymeric nanocomposite of GDM augmenting anticancer competence with decreased hepatic toxicity...
February 16, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28197029/stepwise-case-selection-using-guy-s-stone-score-reduces-complications-during-percutaneous-nephrolithotomy-training
#7
Jiten Jaipuria, Manav Suryavanshi, Amitsinh P Desai, Sanjay Goyal, Kaushal Patel, Sandip S Parhad, Santosh K Subudhi, Chandrashekar V Rao, Satish P Kumar, Tridib K Sen
INTRODUCTION: Traditional percutaneous nephrolithotomy (PCNL) training involved subjective award of cases to the trainee. We restructured this according to the Guy's stone score (GSS) such that each trainee stepwise completed 25 cases of each grade before progressing. This study compares the outcomes of training with traditional versus stepwise approach. METHODS: Four hundred consecutive cases equally distributed for two trainees in each group were compared in terms of complications (Clavien-Dindo), stone free rate (SFR), operative and fluoroscopy time...
January 2017: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/28185025/constipation-pathophysiology-and-current-therapeutic-approaches
#8
Amol Sharma, Satish Rao
Chronic constipation is a common, persistent condition affecting many patients worldwide, presenting significant economic burden and resulting in substantial healthcare utilization. In addition to infrequent bowel movements, the definition of constipation includes excessive straining, a sense of incomplete evacuation, failed or lengthy attempts to defecate, use of digital manoeuvres for evacuation of stool, abdominal bloating, and hard consistency of stools. After excluding secondary causes of constipation, chronic idiopathic or primary constipation can be classified as functional defecation disorder, slow-transit constipation (STC), and constipation-predominant irritable bowel syndrome (IBS-C)...
2017: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/28176538/intimate-partner-violence-depression-and-quality-of-life-among-women-living-with-hiv-aids-in-a-coastal-city-of-south-india
#9
Basavaprabhu Achchappa, Mahak Bhandary, Bhaskaran Unnikrishnan, John T Ramapuram, Vaman Kulkarni, Satish Rao, Deepak Maadi, Anish Bhat, Shivani Priyadarshni
BACKGROUND: Intimate partner violence (IPV) is a severe form of abuse prevalent in urban and rural areas of India with its effects on mental and physical health of the person receiving it, leading to a poorer quality of life. METHODS: A cross-sectional study was conducted among 99 women living with HIV, and information was collected using abuse assessment scale. The data were entered and analyzed using SPSS version 17.0. RESULTS: The IPV was reported by 19...
January 1, 2017: Journal of the International Association of Providers of AIDS Care
https://www.readbyqxmd.com/read/28159236/immunomodulatory-effects-of-bifidobacterium-bifidum-231-on-trinitrobenzenesulfonic-acid-induced-ulcerative-colitis-in-rats
#10
C S V Satish Kumar, K Kondal Reddy, G Boobalan, A Gopala Reddy, C H Sudha Rani Chowdhary, A Vinoth, K Jayakanth, G Srinivasa Rao
AIM: Ulcerative colitis and Crohn's disease are two important chronic Inflammatory bowel diseases (IBD) characterized by prominent intestinal inflammation. Probiotics are the bacteria that promote the host health by its immunomodulatory activity. The present study investigated the correlation between in vitro adhesion and immunomodulatory properties, and to assess the therapeutic potential of Bifidobacterium bifidum 231 (BIF 231), a new strain of probiotic in ulcerative colitis in rats...
February 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28071871/harmonization-of-mangiferin-on-methylmercury-engendered-mitochondrial-dysfunction
#11
Shubhankar Das, Ajanta Paul, Kamalesh D Mumbrekar, Satish B S Rao
Mangiferin (MGN), a C-glucosylxanthone abundantly found in mango plants, was studied for its potential to ameliorate methylmercury (MeHg) induced mitochondrial damage in HepG2 (human hepatocarcinoma) cell line. Cell viability experiments performed using 3-[4,5-dimethylthiazol-2-yl]-2,5- diphenyltetrazolium bromide (MTT) showed protective property of MGN in annulling MeHg-induced cytotoxicity. Conditioning the cells with optimal dose of MGN (50 µM) lowered MeHg-induced oxidative stress, calcium influx/efflux, depletion of mitochondrial trans-membrane potential and prevented mitochondrial fission as observed by decrease in Mitotracker red fluorescence, expression of pDRP1 (serine 616), and DRP1 levels...
February 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28034647/synthesis-and-biological-evaluation-of-cis-restricted-triazole-tetrazole-mimics-of-combretastatin-benzothiazole-hybrids-as-tubulin-polymerization-inhibitors-and-apoptosis-inducers
#12
A V Subba Rao, Konderu Swapna, Siddiq Pasha Shaik, V Lakshma Nayak, T Srinivasa Reddy, Satish Sunkari, Thokhir Basha Shaik, Chandrakant Bagul, Ahmed Kamal
A series of colchicine site binding tubulin inhibitors were synthesized by the modification of the combretastatin pharmacophore. The ring B was replaced by the pharmacologically relevant benzothiazole scaffolds, and the cis configuration of the olefinic bond was restricted by the incorporation of a triazole and tetrazole rings which is envisaged by the structural resemblance to a tubulin inhibitor like combretastatin (CA-4). These compounds were evaluated for their antiproliferative activity on selected cancer cell lines and an insight in the structure activity relationship was developed...
December 9, 2016: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/27890954/prevalence-of-vitamin-b12-and-folic-acid-deficiency-in-hiv-positive-patients-and-its-association-with-neuropsychiatric-symptoms-and-immunological-response
#13
Prabha M R Adhikari, Mukta N Chowta, John T Ramapuram, Satish Rao, Karthik Udupa, Sahana Devdas Acharya
BACKGROUND: Deficiency of micronutrients is prevalent even before the development of symptoms of HIV disease and is associated with accelerated HIV disease progression. AIMS: This study evaluates the prevalence of folate and Vitamin B12 deficiency in HIV-positive patients with or without tuberculosis (TB) and its association with neuropsychiatric symptoms and immunological response. SETTINGS AND DESIGN: Cross-sectional, observational study in an outpatient setting...
July 2016: Indian Journal of Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/27875744/identification-of-protein-secondary-structures-by-laser-induced-autofluorescence-a-study-of-urea-and-gnhcl-induced-protein-denaturation
#14
Manjunath Siddaramaiah, Kapaettu Satyamoorthy, Bola Sadashiva Satish Rao, Suparna Roy, Subhash Chandra, Krishna Kishore Mahato
In the present study an attempt has been made to interrogate the bulk secondary structures of some selected proteins (BSA, HSA, lysozyme, trypsin and ribonuclease A) under urea and GnHCl denaturation using laser induced autofluorescence. The proteins were treated with different concentrations of urea (3M, 6M, 9M) and GnHCl (2M, 4M, 6M) and the corresponding steady state autofluorescence spectra were recorded at 281nm pulsed laser excitations. The recorded fluorescence spectra of proteins were then interpreted based on the existing PDB structures of the proteins and the Trp solvent accessibility (calculated using "Scratch protein predictor" at 30% threshold)...
March 5, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/27816361/genetic-variants-in-cd44-and-mat1a-confer-susceptibility-to-acute-skin-reaction-in-breast-cancer-patients-undergoing-radiation-therapy
#15
Kamalesh Dattaram Mumbrekar, Satish Rao Bola Sadashiva, Shama Prasada Kabekkodu, Donald Jerard Fernandes, Bejadi Manjunath Vadhiraja, Tomo Suga, Yoshimi Shoji, Fumiaki Nakayama, Takashi Imai, Kapaettu Satyamoorthy
PURPOSE: Heterogeneity in radiation therapy (RT)-induced normal tissue toxicity is observed in 10% of cancer patients, limiting the therapeutic outcomes. In addition to treatment-related factors, normal tissue adverse reactions also manifest from genetic alterations in distinct pathways majorly involving DNA damage-repair genes, inflammatory cytokine genes, cell cycle regulation, and antioxidant response. Therefore, the common sequence variants in these radioresponsive genes might modify the severity of normal tissue toxicity, and the identification of the same could have clinical relevance as a predictive biomarker...
January 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/27793084/bigmac-breaking-inaccurate-genomes-and-merging-assembled-contigs-for-long-read-metagenomic-assembly
#16
Ka-Kit Lam, Richard Hall, Alicia Clum, Satish Rao
BACKGROUND: The problem of de-novo assembly for metagenomes using only long reads is gaining attention. We study whether post-processing metagenomic assemblies with the original input long reads can result in quality improvement. Previous approaches have focused on pre-processing reads and optimizing assemblers. BIGMAC takes an alternative perspective to focus on the post-processing step. RESULTS: Using both the assembled contigs and original long reads as input, BIGMAC first breaks the contigs at potentially mis-assembled locations and subsequently scaffolds contigs...
October 28, 2016: BMC Bioinformatics
https://www.readbyqxmd.com/read/27579587/ethambutol-induces-testicular-damage-and-decreases-the-sperm-functional-competence-in-swiss-albino-mice
#17
Arpitha Rao, Guruprasad Nayak, Sandhya Kumari, Amratha D Prabhu, Nalini Khandige, Sneha Guruprasad Kalthur, Srinivas Mutalik, Guruprasad Kalthur, Satish Kumar Adiga
The present study reports the effect of ethambutol (EMB) on testicular function. Prepubertal and adult male Swiss albino mice were treated with 40, 80, 160mg/kg body weight of EMB, intraperitoneally, every alternate day for 4 weeks. After 2 weeks gap, mice were sacrificed to collect caudal spermatozoa. EMB treatment resulted in a dose-dependent decrease in the testicular weight, sperm count and motility while the percentage of sperm with head abnormalities, immature chromatin (P<0.001) and DNA damage increased (P<0...
October 2016: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/27528177/repeat-treatment-with-rifaximin-is-safe-and-effective-in-patients-with-diarrhea-predominant-irritable-bowel-syndrome
#18
Anthony Lembo, Mark Pimentel, Satish S Rao, Philip Schoenfeld, Brooks Cash, Leonard B Weinstock, Craig Paterson, Enoch Bortey, William P Forbes
BACKGROUND & AIMS: Few treatments have demonstrated efficacy and safety for diarrhea-predominant irritable bowel syndrome (IBS-D). A phase 3, randomized, double-blind, placebo-controlled trial was performed to evaluate the safety and efficacy of repeat treatment with the nonsystemic antibiotic rifaximin. METHODS: The trial included adults with IBS-D, mean abdominal pain and bloating scores of 3 or more, and loose stool, located at 270 centers in the United States and Europe from February 2012 through June 2014...
December 2016: Gastroenterology
https://www.readbyqxmd.com/read/27495130/photo-biomodulatory-response-of-low-power-laser-irradiation-on-burn-tissue-repair-in-mice
#19
Bharath Rathnakar, Bola Sadashiva Satish Rao, Vijendra Prabhu, Subhash Chandra, Sharada Rai, Anuradha Calicut Kini Rao, Mrinalini Sharma, Pradeep Kumar Gupta, Krishna Kishore Mahato
The present work reports the photo-biomodulatory effect of red (632.8 nm) and near infrared (785 and 830 nm) lasers on burn injury in Swiss albino mice. Animals were induced with a 15-mm full thickness burn injury and irradiated with various fluences (1, 2, 3, 4, and 6 J/cm(2)) of each laser wavelength under study having a constant fluence rate (8.49 mW/cm(2)). The size of the injury following treatment was monitored by capturing the wound images at regular time intervals until complete healing. Morphometric assessment indicated that the group treated with 3-J/cm(2) fluence of 830 nm had a profound effect on healing as compared to untreated controls and various fluences of other wavelengths under study...
December 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/27487312/safety-of-completion-thyroidectomy-for-initially-misdiagnosed-thyroid-carcinoma
#20
Gangiti Kranthikumar, Nusrath Syed, Hemantkumar Nemade, Satish Pawar, L M Chandra Sekhara Rao, T Subramanyeshwar Rao
INTRODUCTION: Completion thyroidectomy is defined as the surgical removal of the remnant thyroid tissue following procedures of less than total or near-total thyroidectomy. Whether thyroid reoperations are associated with an increased complication risk is controversial. OBJECTIVE: A retrospective analysis was done of patients undergoing completion thyroidectomy for cancer of the thyroid who had undergone surgery elsewhere for solitary thyroid nodule. The incidence of surgical complications in these patients after reoperation was investigated in this study...
2016: Rambam Maimonides Medical Journal
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