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https://www.readbyqxmd.com/read/29125580/structural-diversity-biological-properties-and-applications-of-natural-products-from-cyanobacteria-a-review
#1
REVIEW
Sayed Asmat Ali Shah, Najeeb Akhter, Bibi Nazia Auckloo, Ishrat Khan, Yanbin Lu, Kuiwu Wang, Bin Wu, Yue-Wei Guo
Nowadays, various drugs on the market are becoming more and more resistant to numerous diseases, thus declining their efficacy for treatment purposes in human beings. Antibiotic resistance is one among the top listed threat around the world which eventually urged the discovery of new potent drugs followed by an increase in the number of deaths caused by cancer due to chemotherapy resistance as well. Accordingly, marine cyanobacteria, being the oldest prokaryotic microorganisms belonging to a monophyletic group, have proven themselves as being able to generate pharmaceutically important natural products...
November 10, 2017: Marine Drugs
https://www.readbyqxmd.com/read/29120842/do-cognitive-deficits-predict-negative-emotionality-and-aggression-in-schizophrenia
#2
Anthony O Ahmed, Jenae Richardson, Alex Buckner, Sabrina Romanoff, Michelle Feder, Njideka Oragunye, Andriana Ilnicki, Ishrat Bhat, Matthew J Hoptman, Jean-Pierre Lindenmayer
Schizophrenia is associated with an elevated risk of aggression. Cognitive deficits have been associated with inpatient aggression and future violence. The relationship between cognitive deficits and violent behavior has however been inconsistent across studies. In addition, studies have failed to inform how cognitive deficits may contribute to aggression in schizophrenia. The current study examined the association of cognitive deficits with schizophrenia-related aggression and violent offending. It also explored the putative mediating role of negative emotionality on the impact of cognitive deficits on aggression...
November 7, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29095661/evaluating-the-evidence-on-genotoxicity-and-reproductive-toxicity-of-carbon-black-a-critical-review
#3
Ishrat Chaudhuri, Claudia Fruijtier-Pölloth, Yufanyi Ngiewih, Len Levy
Carbon black is produced industrially by the partial combustion or thermal decomposition of gaseous or liquid hydrocarbons under controlled conditions. It is considered a poorly soluble, low toxicity (PSLT) particle. Recently, results from a number of published studies have suggested that carbon black may be directly genotoxic, and that it may also cause reproductive toxicity. Here, we review the evidence from these studies to determine whether carbon black is likely to act as a primary genotoxicant or reproductive toxicant in humans...
November 2, 2017: Critical Reviews in Toxicology
https://www.readbyqxmd.com/read/29038438/haplotype-analysis-of-xrcc2-gene-polymorphisms-and-association-with-increased-risk-of-head-and-neck-cancer
#4
Soma Saeed, Ishrat Mahjabeen, Romana Sarwar, Kashif Bashir, Mahmood Akhtar Kayani
We aimed to investigate the effect of hotspot variations of XRCC2 gene on the risk of head and neck cancer (HNC) in 400 patients and 400 controls. Five polymorphisms of XRCC2 gene G4234C (rs3218384), G4088T (rs3218373), G3063A (rs2040639), R188H (rs3218536) and rs7802034 were analyzed using Allele- specific polymerase chain reaction (ARMS-PCR) followed by sequence analysis. For rs3218373, the GG genotype indicated a statistically significant 3-fold increased risk of HNC (P < 0.001) after multivariate adjustment...
October 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29024951/bans-of-who-class-i-pesticides-in-bangladesh-suicide-prevention-without-hampering-agricultural-output
#5
Fazle Rabbi Chowdhury, Gourab Dewan, Vasundhara R Verma, Duleeka W Knipe, Ishrat Tahsin Isha, M Abul Faiz, David J Gunnell, Michael Eddleston
Background: Pesticide self-poisoning is a major problem in Bangladesh. Over the past 20-years, the Bangladesh government has introduced pesticide legislation and banned highly hazardous pesticides (HHPs) from agricultural use. We aimed to assess the impacts of pesticide bans on suicide and on agricultural production. Methods: We obtained data on unnatural deaths from the Statistics Division of Bangladesh Police, and used negative binomial regression to quantify changes in pesticide suicides and unnatural deaths following removal of WHO Class I toxicity HHPs from agriculture in 2000...
August 18, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/28945188/characterization-of-vaginal-lactobacilli-from-hiv-negative-and-hiv-positive-indian-women-and-their-association-with-genital-hiv-1-shedding
#6
Arati Mane, Mansa Angadi, Pallavi Vidhate, Shilpa Bembalkar, Ishrat Khan, Shubhangi Bichare, Manisha Ghate, Madhuri Thakar
One of the crucial determinants for successful administration of lactobacilli to the vaginal niche is the use of appropriate Lactobacillus species. In this cross-sectional study 54 human immunodeficiency virus (HIV)-negative and 76 HIV-positive antiretroviral treatment-naïve women were evaluated for culturable vaginal lactobacilli and their association with genital HIV-1 shedding. Lactobacillus species were identified by 16S rDNA sequencing while cervical and plasma HIV-1 viral load was determined by Abbott real-time PCR...
October 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28935234/fractal-rules-in-brain-networks-signatures-of-self-organization
#7
Soibam Shyamchand Singh, Dineshchandra Haobijam, Md Zubbair Malik, Romana Ishrat, R K Brojen Singh
We study brain network data of three species, namely, C. elegans, cat and macaque monkey within the framework of network theory and Potts Hamiltonian model, and explore rich fractal nature in it, which could be an important signature of self-organization, and a simple rule to be obeyed in complex patterns of brain networks. Further, this fractal behaviors in topological parameters of brain networks at various network levels could be an indicator of systems level organization in complicated brain functionality...
September 18, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28804675/transition-in-dental-treatment-utilization-in-jammu-and-kashmir-india-a-10-year-retrospective-study
#8
Aasim Farooq Shah, Manu Batra, A Ishrat
BACKGROUND: Utilization of health services is the actual attendance by the members of the public at health care facilities to receive care. Utilization, serves as an important tool for oral health policy decision-making. The aim of the present study was to retrospectively gauge and assess the utilization pattern of the dental treatments which was given in hospital for last 10 years. MATERIALS AND METHODS: This retrospective infirmary based study was carried out at Sheri Kashmir Institute of Medical Sciences (SKIMS), Srinagar, Jammu and Kashmir, India...
December 2016: Nepal journal of epidemiology
https://www.readbyqxmd.com/read/28793909/-6-gingerol-from-zingiber-officinale-potentiates-glp-1-mediated-glucose-stimulated-insulin-secretion-pathway-in-pancreatic-%C3%AE-cells-and-increases-rab8-rab10-regulated-membrane-presentation-of-glut4-transporters-in-skeletal-muscle-to-improve-hyperglycemia-in
#9
Mehdi Bin Samad, Md Nurul Absar Bin Mohsin, Bodiul Alam Razu, Mohammad Tashnim Hossain, Sinayat Mahzabeen, Naziat Unnoor, Ishrat Aklima Muna, Farjana Akhter, Ashraf Ul Kabir, J M A Hannan
BACKGROUND: [6]-Gingerol, a major component of Zingiber officinale, was previously reported to ameliorate hyperglycemia in type 2 diabetic mice. Endocrine signaling is involved in insulin secretion and is perturbed in db/db Type-2 diabetic mice. [6]-Gingerol was reported to restore the disrupted endocrine signaling in rodents. In this current study on Lepr(db/db) diabetic mice, we investigated the involvement of endocrine pathway in the insulin secretagogue activity of [6]-Gingerol and the mechanism(s) through which [6]-Gingerol ameliorates hyperglycemia...
August 9, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28765427/poor-knowledge-of-safety-aspects-of-long-term-steroid-use-among-patients-and-healthcare-professionals
#10
Kate Grounds, Ishrat Khan, Mohammed Adlan, Lakdasa Premawardhana
No abstract text is available yet for this article.
July 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/28702175/costs-of-hospitalization-with-respiratory-syncytial-virus-illness-among-children-aged-5-years-and-the-financial-impact-on-households-in-bangladesh-2010
#11
Mejbah Uddin Bhuiyan, Stephen P Luby, Nadia Ishrat Alamgir, Nusrat Homaira, Katharine Sturm-Ramirez, Emily S Gurley, Jaynal Abedin, Rashid Uz Zaman, Asm Alamgir, Mahmudur Rahman, Ismael R Ortega-Sanchez, Eduardo Azziz-Baumgartner
BACKGROUND: Respiratory syncytial virus (RSV) is the leading cause of acute respiratory illness in young children and results in significant economic burden. There is no vaccine to prevent RSV illness but a number of vaccines are in development. We conducted this study to estimate the costs of severe RSV illness requiring hospitalization among children <5 years and associated financial impact on households in Bangladesh. Data of this study could be useful for RSV vaccine development and also the value of various preventive strategies, including use of an RSV vaccine in children if one becomes available...
June 2017: Journal of Global Health
https://www.readbyqxmd.com/read/28669343/pharmacoinformatic-approaches-to-design-novel-inhibitors-of-protein-kinase-b-pathways-in-cancer
#12
Noreen Akhtar, Ishrat Jabeen
BACKGROUND: Protein kinase B (PKB/Akt) belongs to the AGC superfamily of related serine/threonine kinases with three structurally homologous mammalian isoforms, Akt1 (PKBα), Akt2 (PKBβ), and Akt3 (PKBγ). Various immunohistochemical studies have reported that the constitutive hyperactivation of Akt signaling is responsible for several types of human cancers. Thus, inhibition of Akt activation represents a promising concept to induce cell apoptosis in various cancers. However, till date none of them could reach the market for routine clinical usage to circumvent cell proliferation in cancer due to lack of isoform selectivity and off-target toxicity...
June 23, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28660505/de-novo-formation-of-dioxins-from-milled-model-fly-ash
#13
Ishrat Mubeen, Alfons Buekens, Zhiliang Chen, Shengyong Lu, Jianhua Yan
Municipal solid waste incineration (MSWI) fly ash has been classified as hazardous waste and needs treatment in an environmentally safe manner. Mechanochemical (MC) treatment is such a detoxification method, since it destroys dioxins and solidifies heavy metals. Milling, however, also introduces supplemental metals (Fe, Ni, Cr, Mn…), following wear of both steel balls and housing. Milling moreover reduces the particle size of fly ash and disperses catalytic metal, potentially rising the reactivity of fly ash to form and destroy 'dioxins', i...
June 28, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28645628/the-association-between-socioeconomic-status-and-subclinical-atherosclerosis-in-a-rural-bangladesh-population
#14
Michael Garshick, Fen Wu, Ryan Demmer, Faruque Parvez, Alauddin Ahmed, Mahbub Eunus, Rabiul Hasan, Jabun Nahar, Ishrat Shaheen, Golam Sarwar, Moise Desvarieux, Habibul Ahsan, Yu Chen
BACKGROUND: In Bangladesh, CVD accounts for the majority of non-communicable mortality. The purpose of this study was to determine the role of socioeconomic status (SES) on subclinical atherosclerosis measured as carotid intima-media thickness (IMT) in a rural Bangladesh population. METHODS: Carotid IMT was measured between 2010 and 2011 in 1022 participants (average age 46, 40% male) randomly selected from the Health Effects of Arsenic Longitudinal Study (HEALS), a population-based prospective cohort study based in rural Bangladesh...
September 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28640888/mechanisms-of-acute-neurovascular-protection-with-at1-blockade-after-stroke-effect-of-prestroke-hypertension
#15
Ahmed Alhusban, Anna Kozak, Bindu Pillai, Heba Ahmed, Mohammed A Sayed, Maribeth H Johnson, Tauheed Ishrat, Adviye Ergul, Susan C Fagan
Stroke is a leading cause of adult disability worldwide. Improving stroke outcome requires an orchestrated interplay that involves up regulation of pro-survival pathways and a concomitant suppression of pro-apoptotic mediators. In this investigation, we assessed the involvement of eNOS in the AT1 blocker-mediated protective and pro-recovery effects in animals with hypertension. We also evaluated the effect of acute eNOS inhibition in hypertensive animals. To achieve these goals, spontaneously hypertensive rats (SHR) were implanted with blood pressure transmitters, and randomized to receive either an eNOS inhibitor (L-NIO) or saline one hour before cerebral ischemia induction...
2017: PloS One
https://www.readbyqxmd.com/read/28582760/current-status-and-future-therapeutic-perspectives-of-glioblastoma-multiforme-gbm-therapy-a-review
#16
REVIEW
Komal Anjum, Bibi Ibtesam Shagufta, Syed Qamar Abbas, Seema Patel, Ishrat Khan, Sayed Asmat Ali Shah, Najeeb Akhter, Syed Shams Ul Hassan
Glioblastoma multiforme (GBM) is the deadliest form of heterogeneous brain cancer. It affects an enormous number of patients every year and the survival is approximately 8 to 15 months. GBM has driven by complex signaling pathways and considered as a most challenging to treat. Standard treatment of GBM includes surgery, radiation therapy, chemotherapy and also the combined treatment. This review article described inter and intra- tumor heterogeneity of GMB. In addition, recent chemotherapeutic agents, with their mechanism of action have been defined...
August 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28531943/recent-trends-in-zikv-research-a-step-away-from-cure
#17
REVIEW
Aftab Alam, Nikhat Imam, Anam Farooqui, Shahnawaz Ali, Md Zubbair Malik, Romana Ishrat
Zika virus (ZikV) is a member of the Flaviviridae virus family, genus Flavivirus has emerged as a potential threat to human health worldwide. Consequences of vertical infections includes microcephaly with brain and eye anomalies, and adult infections includes Guillain-Barrésyndrome (GBS), brain ischemia, myelitis and meningoencephalitis. To develop a better treatment, many efforts are being made, like drug-repurposing concept for FDA-approved drugs for antiviral activity are screened against ZikV infection and emerging as a promising alternative to expedite drug development and various vaccines like DNA, ZPIV, LAIV, mRNA and AGS-v vaccines have been designed and in under clinical trial phases...
July 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28490032/haplotype-based-analysis-of-xrcc3-gene-polymorphisms-in-thyroid-cancer
#18
Romana Sarwar, Ishrat Mahjabeen, Kashif Bashir, Soma Saeed, Mahmood Akhtar Kayani
BACKGROUND/AIMS: In mammalian cells, XRCC3 plays an important role in the DNA double-strand breaks (DSBs) repair by homologous recombination. Genetic polymorphisms in XRCC3 gene may potentially affect the repair of DSBs and thus confer susceptibility to thyroid cancer. In this study, we used a haplotype-based approach to investigate whether 5 selected SNPs i.e. rs1799796, rs1799794, rs861539, rs709399 and rs861530 of XRCC3 gene are associated with thyroid cancer risk in 456 cancer patients and 400 cancer-free controls...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28480425/behavioral-evidence-of-antidepressant-like-activity-of-raphanus-sativus-l-var-caudatus-in-mice
#19
Ishrat Younus, And Afshan Siddiq
BACKGROUND: Currently-available antidepressant agents produce various adverse effects, and are expensive. At present, various plants are being evaluated for their possible role against numerous diseases, and no doubt, the role of traditional and complementary medicines in the development of effective therapy is incredible. The present study was designed to evaluate antidepressant-like activity of Raphanus sativus L. Var. caudatus at different doses in mice. MATERIALS AND METHODS: Antidepressant potential of ethanolic extract of Raphanus caudatus L...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28466054/potential-entry-inhibitors-of-the-envelope-protein-e2-of-chikungunya-virus-in-silico-structural-modeling-docking-and-molecular-dynamic-studies
#20
Farah Deeba, Md Zubbair Malik, Irshad Husain Naqvi, Md Shakir Hussain Haider, Zoya Shafat, Priyanka Sinha, Romana Ishrat, Anwar Ahmed, Shama Parveen
Chikungunya fever is an arboviral infection caused by the Chikungunya virus (CHIKV) and is transmitted by Aedes mosquito. The envelope protein (E2) of Chikungunya virus is involved in attachment of virion with the host cell. The present study was conceptualized to determine the structure of E2 protein of CHIKV and to identify the potential viral entry inhibitors. The secondary and tertiary structure of E2 protein was determined using bioinformatics tools. The mutational analysis of the E2 protein suggested that mutations may stabilize or de-stabilize the structure which may affect the structure-function relationship...
March 2017: Virusdisease
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