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https://www.readbyqxmd.com/read/28928662/toxicity-of-nanoparticles-on-the-reproductive-system-in-animal-models-a-review
#1
REVIEW
Rahim Dad Brohi, Li Wang, Hira Sajjad Talpur, Di Wu, Farhan Anwar Khan, Dinesh Bhattarai, Zia-Ur Rehman, F Farmanullah, Li-Jun Huo
In the last two decades, nanotechnologies demonstrated various applications in different fields, including detection, sensing, catalysis, electronics, and biomedical sciences. However, public concerns regarding the well-being of human may hinder the wide utilization of this promising innovation. Although, humans are exposed to airborne nanosized particles from an early age, exposure to such particles has risen dramatically within the last century due to anthropogenic sources of nanoparticles. The wide application of nanomaterials in industry, consumer products, and medicine has raised concerns regarding the potential toxicity of nanoparticles in humans...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28918405/renal-cell-carcinoma-with-isolated-metastasis-to-sigmoid-mesentery-a-rare-resectable-combination
#2
Hira Lal, Priyank Yadav, Shashidhar Achar, Uday Pratap Singh
Renal cell carcinoma accounts for 2%-3% of all malignancies in adults. It spreads via direct extension, lymphatic route as well as haematogenous route. Lymph nodes, lungs, bone, liver and brain are the usual sites for its metastatic spread. In the presence of limited metastatic disease with potentially resectable metastases, surgery offers the best chances of cure. In the present case, we describe a case of renal cell carcinoma with a solitary metastasis to the sigmoid mesentery in a patient with Von Hippel-Lindau syndrome...
September 15, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28917110/prevalence-and-predictors-of-potentially-inappropriate-prescribing-of-central-nervous-system-and-psychotropic-drugs-among-elderly-patients-a-national-population-study-in-korea
#3
Hyeonseok Cho, Junjeong Choi, Young-Sang Kim, Sang Joon Son, Kang Soo Lee, Hee-Jin Hwang, Hye-Young Kang
OBJECTIVES: To investigate the prevalence of potentially inappropriate prescribing (PIP) of central nervous system and psychotropic (CNS-PS) drugs to the Korean elderly population, and to identify PIP-associated factors. METHODS: Ambulatory care visits were identified from the 2013 National Aged Patient Sample (HIRA-APS-2013) data, composed of 20% random samples of all enrollees in the universal health security program aged ≥65 years. The CNS-PS section of Screening Tool of Older Person's potentially inappropriate Prescriptions (STOPP) criteria version 2 was used to identify PIP at these visits...
September 6, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28914553/nanomaterials-as-nanocarriers-a-critical-assessment-why-these-are-multi-chore-vanquisher-in-breast-cancer-treatment
#4
Sania Naz, Hira Shahzad, Attarad Ali, Muhammad Zia
Breast cancer is a group of diseases with various subtypes and leads to high mortality throughout the globe. Various conventional techniques are in practice to cure breast cancer but these techniques are linked with various shortcomings. Mostly these treatments are not site directed and cause toxicity towards normal cells. In order to overcome these issues, we need smart system that can deliver anticancer drugs to specific sites. Targeted drug delivery can be achieved via passive or active drug delivery using nanocarriers...
September 15, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28892959/prevalence-of-conventional-risk-factors-and-evaluation-of-baseline-indices-among-young-and-elderly-patients-with-coronary-artery-disease
#5
Arsalan Majeed Adam, Aiman Rehan, Nageen Waseem, Unzela Iqbal, Hira Saleem, Muhammad Armughan Ali, Ali Tariq Shaikh, Ansab Godil
INTRODUCTION: Coronary Artery Disease (CAD) is a leading cause of morbidity and mortality worldwide, manifesting in a variety of clinical spectrums such as an asymptomatic disease or acute coronary syndrome. It has become highly prevalent in Southeast Asia, including Pakistan. There has been little work done on the prevalence of traditional risk factors in different age groups and genders and there is a dire need to gauge the importance of baseline indices in CAD patients. AIM: To determine the prevalence of conventional risk factors and evaluate the variations in lipid profiles, electrolyte levels and haematological indices among patients with CAD in different age groups and gender...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28888881/prevalence-and-genetic-profiling-of-tetracycline-resistance-tet-r-genes-and-transposable-element-tn916-in-environmental-enterococcus-species
#6
Sindhu Zahid, Hassan Bin-Asif, Khwaja Ali Hasan, Marium Rehman, Syed Abid Ali
Resistance against antimicrobial agents in enterococci is a global concern that not only challenges infection therapy but also make them reservoir of antibiotic resistance in human and animal alike. This study was conducted to establish tetracycline resistance profiles, prevalence of tet genes and transposable element (Tn916) in enterococcal soil and clinical isolates. Enterococci (n = 1210) from different environmental niche were collected and subjected to molecular identification. In total, 361 isolates showed tetracycline resistance at the breakpoint of 32 μg ml(-1)...
September 6, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28886851/meta-analysis-of-comparison-of-5-year-outcomes-of-percutaneous-coronary-intervention-versus-coronary-artery-bypass-grafting-in-patients-with-unprotected-left-main-coronary-artery-in-the-era-of-drug-eluting-stents
#7
Mahin R Khan, Waleed T Kayani, Waqas Ahmad, Ravi S Hira, Salim S Virani, Ihab Hamzeh, Hani Jneid, Nasser Lakkis, Mahboob Alam
Patients with unprotected left main coronary artery (ULMCA) disease are increasingly being treated with percutaneous coronary intervention (PCI) using drug-eluting stents (DES), but long-term outcomes comparing PCI with coronary artery bypass grafting (CABG) remain limited. We performed aggregate data meta-analyses of clinical outcomes (all-cause death, nonfatal myocardial infarction, stroke, repeat revascularization, cardiac death, and major adverse cardiac and cerebrovascular events) in studies comparing 5-year outcomes of PCI with DES versus CABG in patients with ULMCA disease...
August 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28882967/influenza-among-breast-cancer-survivors-in-south-korea-a-nationwide-population-based-study
#8
Jaesung Heo, Mison Chun, Young-Taek Oh, O Kyu Noh, Logyoung Kim
BACKGROUND/AIM: In this study, we analyzed the prevalence of influenza disease in breast cancer survivors using claims data from the Health Insurance Review and Assessment Service (HIRA) in South Korea. PATIENTS AND METHODS: We defined influenza among a nationwide cohort of 87,843 patients who were diagnosed with breast cancer and underwent surgery from January 1, 2010 to December 31, 2014, based on HIRA claim data. Descriptive statistics were calculated to estimate the frequency of influenza disease using diagnostic code and utilization pattern at medical institutions...
September 2017: In Vivo
https://www.readbyqxmd.com/read/28867708/substrate-specific-silver-i-catalyzed-cycloisomerization-of-diene-involving-alkyl-rearrangements-syntheses-of-1-2-5-6-tetrahydrocuminic-acid-p-menth-3-en-7-ol-and-p-menth-3-en-7-al
#9
Fuyuhiko Inagaki, Mizuki Matsumoto, Shisen Hira, Chisato Mukai
The novel cationic Ag(I)-catalyzed cycloisomerization, which is associated with alkyl rearrangements, from dimethyl 2-allyl-2-prenylmalonate (1) to dimethyl 4-isopropylcyclohex-3-ene-1,1-dicarboxylate (2) has been developed. Derivatization from the diester 2 into the diol 3 and its X-ray crystallographic analysis determined the structure. The mechanisms of the novel reaction were investigated by isotopic experiments, which supported the unusual alkyl shifts. In addition, the product 2 was used for the total syntheses of three natural products, 1,2,5,6-tetrahydrocuminic acid (12), p-menth-3-en-7-ol (13), and p-menth-3-en-7-al (14) in short steps...
2017: Chemical & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28851672/role-and-mechanism-of-amh-in-the-regulation-of-sertoli-cells-in-mice
#10
Zia Ur Rehman, Tesfaye Worku, John S Davis, Hira Sajjad Talpur, Dinesh Bhattarai, Ishwari Kadariya, HuaGua Hua, Jing Cao, Rahim Dad, Farmanullah, Tarique Hussain, Liguo Yang
Sertoli cells produce anti-Müllerian hormone (AMH), a glycoprotein belonging to the transforming growth factor-beta family. AMH mediates the regression of Müllerian ducts in the developing male fetus. However, the role of AMH in the regulation of primary Sertoli cells remains unclear. The present study was designed to investigate the effect of AMH on the viability and proliferation of Sertoli cells, with an additional focus on stem cell factor (SCF). Treatment of Sertoli cells with increasing concentrations of rh-AMH (0, 10, 50, 100, and 800ng/ml) for two days revealed that AMH, at high concentrations, increased apoptosis...
August 26, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28851368/perception-and-attitude-of-korean-physicians-towards-generic-drugs
#11
Mikyung Ryu, Juyoung Kim
BACKGROUND: In 2012, a new pharmaceutical policy was introduced in Korea. According to the new policy, off-patent brand-name drugs (original drugs) and generic drugs must be priced the same. METHODS: This study aims to investigate the perception and attitude of Korean physicians towards generic drugs before and after the policy reform. Surveys were conducted with registered doctors at the Health Insurance Review Agency (HIRA) twice, in 2011 and 2013, by means of email and HIRA online survey systems...
August 29, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28845982/gordonic-acid-a-polyketide-glycoside-derived-from-bacterial-coculture-of-streptomyces-and-gordonia-species
#12
Hyun Bong Park, Jin-Soo Park, Seung Il Lee, Bora Shin, Dong-Chan Oh, Hak Cheol Kwon
Despite numerous efforts to discover novel bioactive products from microorganisms, previously reported compounds are repetitively reisolated. A new polyketide glycoside, gordonic acid (1), isolated from the mixed culture of two Gram-positive bacteria, Gordonia sp. KMC005 and Streptomyces tendae KMC006, is reported. The structure of 1 was characterized as an acyclic polyene polyketide substituted with a β-d-digitoxopyranose through NMR, HR-ESI-QTOF-MS, IR, and UV spectral data. The stereochemistry for 1 was determined by Mosher's method followed by 2D NOESY analysis and by NMR chemical shift calculations supported by DP4 analysis...
August 28, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28835141/transplantation-of-stromal-derived-factor-1%C3%AE-and-basic-fibroblast-growth-factor-primed-insulin-producing-cells-reverses-hyperglycaemia-in-diabetic-rats
#13
Muhammad Sohail Anjum, Azra Mehmood, Muhammad Ali, Hira Butt, Shaheen N Khan, Sheikh Riazuddin
The defective insulin production is associated with severely reduced islet cell mass leading to diabetes. Growth factors preconditioned stem cells have arisen as an effective therapy to treat many diseases including diabetes. The current study was designed to assess the effect of pretreatment of ASCs derived IPCs with combination of stromal cell derived factor 1 alpha (SDF1α) and basic fibroblast growth factor (bFGF) in improving glucose tolerance in streptozotocin induced diabetic rats. The results showed maximally significant reduction in hyperglycaemia and fibrosis, while up-regulation of survival and pancreas-specific genes, insulin levels and homing of transplanted cells in SDF-1α + bFGF IPCs transplanted rats as compared with other groups...
August 24, 2017: Growth Factors
https://www.readbyqxmd.com/read/28833105/bactericidal-efficacy-of-hydrogen-peroxide-based-disinfectants-against-gram-positive-and-gram-negative-bacteria-on-stainless-steel-surfaces
#14
Abel G Ríos-Castillo, Fabián González-Rivas, José J Rodríguez-Jerez
In order to develop disinfectant formulations that leverage the effectiveness of hydrogen peroxide (H2 O2 ), this study evaluated the bactericidal efficacy of hydrogen peroxide-based disinfectants against Gram-positive and Gram-negative bacteria on stainless steel surfaces. Low concentration of hydrogen peroxide as 0.5% with a cationic polymer, ethoxylated fatty alcohol, and ethyl alcohol had bactericidal efficacy (reductions ≥ 4 log10 CFU/mL) against Escherichia coli, Staphylococcus aureus, Enterococcus hirae, and Pseudomonas aeruginosa...
August 23, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28831610/microbial-taxonomy-in-the-era-of-omics-application-of-dna-sequences-computational-tools-and-techniques
#15
Nitish Kumar Mahato, Vipin Gupta, Priya Singh, Rashmi Kumari, Helianthous Verma, Charu Tripathi, Pooja Rani, Anukriti Sharma, Nirjara Singhvi, Utkarsh Sood, Princy Hira, Puneet Kohli, Namita Nayyar, Akshita Puri, Abhay Bajaj, Roshan Kumar, Vivek Negi, Chandni Talwar, Himani Khurana, Shekhar Nagar, Monika Sharma, Harshita Mishra, Amit Kumar Singh, Gauri Dhingra, Ram Krishan Negi, Mallikarjun Shakarad, Yogendra Singh, Rup Lal
The current prokaryotic taxonomy classifies phenotypically and genotypically diverse microorganisms using a polyphasic approach. With advances in the next-generation sequencing technologies and computational tools for analysis of genomes, the traditional polyphasic method is complemented with genomic data to delineate and classify bacterial genera and species as an alternative to cumbersome and error-prone laboratory tests. This review discusses the applications of sequence-based tools and techniques for bacterial classification and provides a scheme for more robust and reproducible bacterial classification based on genomic data...
August 22, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/28830891/autoimmune-hit-due-to-apheresis-catheter-heparin-flushes-for-stem-cell-harvesting-before-autotransplantation-for-myeloma
#16
Hira Mian, Theodore E Warkentin, Jo-Ann I Sheppard, Anna MacDonald, Lori-Ann Linkins, Ann Benger, Ronan Foley
No abstract text is available yet for this article.
August 22, 2017: Blood
https://www.readbyqxmd.com/read/28822247/mobile-phones-an-asset-or-a-liability-a-study-based-on-characterization-and-assessment-of-metals-in-waste-mobile-phone-components-using-leaching-tests
#17
Meenakshi Hira, Sudesh Yadav, P Morthekai, Anurag Linda, Sushil Kumar, Anupam Sharma
The prolonged use of old fashioned gadgets, especially mobile phones, is declining readily with the advancement in technology which ultimately lead to generation of e-waste. The present study investigates the concentrations of nine metals (Ba, Cd, Cr, Cu, Fe, Ni, Pb, Sn, and Zn) in various components of the mobile phones using Toxicity Characteristic Leaching Procedure (TCLP), Waste Extraction Test (WET) and Synthetic Precipitation Leaching Procedure (SPLP). The results were compared with the threshold limits for hazardous waste defined by the California Department of Toxic Substances Control (CDTSC) and United States Environmental Protection Agency (USEPA)...
August 5, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28818160/determination-of-mean-glycated-haemoglobin-in-healthy-adults-of-a-local-population
#18
Sumbal Nida, Dilshad Ahmed Khan, Aamir Ijaz, Muhammad Qaiser Alam Khan, Hira Aleef, Maria Abbasi
OBJECTIVE: To determine the mean hemoglobin HbA1C levels of disease-free adults in a local population and its optimum cutoff for the diagnosis of diabetes. STUDY DESIGN: Cross-sectional study. PLACE AND DURATION OF STUDY: Department of Chemical Pathology and Endocrinology, Armed Forces Institute of Pathology, Rawalpindi, from January to September 2015. METHODOLOGY: Healthy subjects aged 18 years and above of either gender were recruited from local population...
July 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28817405/cutaneous-eruptions-in-patients-receiving-immune-checkpoint-blockade-clinicopathologic-analysis-of-the-nonlichenoid-histologic-pattern
#19
Genevieve J Kaunitz, Manisha Loss, Hira Rizvi, Sowmya Ravi, Jonathan D Cuda, Karen B Bleich, Jessica Esandrio, Inbal Sander, Dung T Le, Luis A Diaz, Julie R Brahmer, Charles G Drake, Travis J Hollmann, Mario E Lacouture, Matthew D Hellmann, Evan J Lipson, Janis M Taube
Cutaneous eruptions are among the most common immune-related adverse events (irAEs) associated with anti-programmed cell death protein 1/programmed cell death ligand 1 therapy, and are often clinically and histologically characterized as lichenoid. Nonlichenoid patterns may also occur and are likely to be encountered by surgical pathologists, given the increasing clinical use of these agents. The purpose of this study is to describe the histopathologic features of nonlichenoid cutaneous irAEs from patients receiving anti-programmed cell death protein 1/programmed cell death ligand 1 therapies for a variety of underlying advanced malignancies...
October 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28803984/canagliflozin-potentiates-glp-1-secretion-and-lowers-the-peak-of-gip-secretion-in-rats-fed-a-high-fat-high-sucrose-diet
#20
Tohru Hira, Toshiki Koga, Kazuyo Sasaki, Hiroshi Hara
The glucose-induced secretion of incretins, including glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP), is dependent on luminal glucose levels and transport of glucose via the sodium-glucose transporter 1 (SGLT1) in the small intestine. Because GLP-1 and GIP function in decreasing and increasing the body weight, respectively, we aimed to analyze the effect of transient inhibition of SGLT1 by canagliflozin on incretin secretion in an obese rat model. Male Sprague-Dawley rats were maintained on a high-fat high-sucrose diet for 6-7 weeks, and plasma GLP-1 and GIP levels were measured during an oral glucose tolerance test (OGTT)...
October 14, 2017: Biochemical and Biophysical Research Communications
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