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Cellular and Molecular Biology

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https://www.readbyqxmd.com/read/28980936/null-genotype-of-gstt1-may-be-associated-with-esophageal-cancer-risk-a-meta-analysis-in-chinese-individuals
#1
Y-P Liu, L Li
Many studies have analyzed the association between between GSTT1 polymorphism and esophageal cancer, however, the results remained inconclusive. We therefore performed an updated meta-analysis based on Chinese individuals. PubMed, Springer Link, Ovid, Chinese Wanfang Data Knowledge Service Platform, Chinese National Knowledge Infrastructure and Chinese Biology Medicine were searched up to December 2016. An OR with the corresponding 95% CI was used to assess the strength of the association. This meta-analysis included 12 studieswith 1246 cases and 1863 controls...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980935/lactobacillus-acidophilus-versus-placebo-in-the-symptomatic-treatment-of-irritable-bowel-syndrome-the-lapibss-randomized-trial
#2
S Sadrin, S R Sennoune, B Gout, S Marque, J Moreau, J Grillasca, O Pons, J M Maixent
Irritable bowel syndrome is a chronic functional gastrointestinal disorder characterized by abdominal pain/discomfort and altered bowel habits. The use of Lactobacilli as probiotics during irritable bowel syndrome is based on their interesting mechanisms of action and their excellent safety profile but little is known about their clinical efficacy due to the lack of adequately designed clinical trials. The current clinical trial protocol aims to determine the effects of a mixture of Lactobacillus acidophilus NCFM and LAFTI L10 as probiotics to improve irritable bowel syndrome symptoms (LAPIBSS)...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980934/regulation-of-signaling-pathways-by-tanshinones-in-different-cancers
#3
X Lin, M Z Qureshi, M A Romero, S Khalid, A Aras, U Ozbey, A A Farooqi
Past several years have witnessed dramatic leaps in our understanding of rewiring of gene expression at the translation level during cancer developmentthat provides linchpin support to the transformed phenotype. Most recent and ground-breaking developments in the field of molecular oncology aredriven by an explosion in technological advancements and have started to reveal previously unimagined regulatory mechanisms and how they intricately co-ordinate to modulate cancer progression, loss of apoptosis and development of resistance against different therapeutics...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980933/predictive-role-of-cytokines-il-10-il-12-and-tnf-%C3%AE-gene-polymorphisms-for-the-development-of-osteonecrosis-of-the-femoral-head-in-the-chinese-han-population
#4
L Yuan, W Li, Z B Tian, Y Li, S Sun
The progressive neurodegenerative process in osteonecrosis of the femoral head (ONFH) is accompanied by chronic inflammation, including activation of microglia and astrocytes that express pro-inflammatory cytokines. Up to now, numerous studies of genetic epidemiology have assessed the association of anti- and pro-inflammation cytokines gene polymorphisms and risk of ONFH in different populations, but contradictory results were obtained due to the genetic heterogeneity of in different populations. In the study, 250 ONFH patients and 228 matched healthy controls from Shandong Province were recruited to evaluate the influence of interleukin-10 (IL-10) rs1800872, IL-12 rs3212227 and tumor necrosis factor-(TNF-α) rs1800629 polymorphism in ONFH...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980932/estimating-the-modulatory-effect-of-cadmium-chloride-on-the-genotoxicity-and-mutagenicity-of-silver-nanoparticles-in-mice
#5
H R H Mohamed
Silver (Ag) nanoparticles (nano-Ag) are widely used because of their distinctive antimicrobial properties, but this widespread use increases Ag release into the environment along with many other pollutants such as heavy metals. Therefore, this study was undertaken to study the modulatory effect of cadmium chloride (CdCl2) on the genotoxicity and mutagenicity of nano-Ag in mice liver, kidney and brain tissues. Co-injections of CdCl2 (1.5 mg/kg) with nano-Ag (20, 41, or 82 mg/kg) resulted in significant elevations in both single and double DNA strand breaks that triggered higher apoptotic DNA damage, as revealed by the more fragmented appearance of genomic DNA and the significant increase in apoptotic fractions...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980931/bacterial-etiology-and-antibiotic-resistance-pattern-of-septicemia-in-hiv-and-non-hiv-patients-admitted-to-tertiary-care-hospitals-shiraz-south-of-iran
#6
F Ghassabi, T Hashempour, M Moghadami, M A Davarpanah, M Kalani, N Chatrabnous, M Halaji, H R Shahraki, N Hadi
The present study aimed to determine the bacteriological etiology and antibiotic susceptibility pattern of sepsis in HIV infected and HIV uninfected patients, and related risk factors to introduce an appropriate therapy. This cross-sectional study was conducted from January 2014 to January of 2015 enrolling patients with sepsis associated with or without HIV infection admitted to Shiraz teaching hospitals, South of Iran. Blood and urine cultures were performed and standard microbiological methods were followed for isolation and identification of the bacteria...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980930/study-of-anticancer-and-antibacterial-activities-of-foeniculum-vulgare-justicia-adhatoda-and-urtica-dioica-as-natural-curatives
#7
R Batool, H Salahuddin, T Mahmood, M Ismail
High-throughput technologies, such as synthetic biology and genomics have paved new paths for discovery and utility of medicinally beneficial plants. Bioactive molecules isolated from different plants have significantly higher biological activities. The present study was done to analyze antibacterial potential of some medicinal plants against multi drug resistant (MDR) pathogens and anticancer effect against MCF-7 cell line. Methanolic and ethanolic extracts were tested for their antibacterial activity by disc diffusion method against six MDR bacterial strains and for cytotoxicity evaluation by MTT assay...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980929/cloning-and-expression-of-rice-glutamate-decarboxylase-gad-in-escherichia-coli
#8
A Kariminik, M Saeidi, P Parsia
Glutamate decarboxylase (GAD) converts L-glutamate to g-aminobutyric acid (GABA), which is a non-protein amino acid present in all organisms with some activities including improvement of neurve and cytoskeltal functions. Therefore, GAD is considered as a key molecule to use in molecular therapy of genetical human diseases. Accordingly, cloning of GADs from various plants is an important aim of researchers. The aim of this study was to clone rice (Oryza sativa L.) GADs in Escherichia coli (E.coli) MC 1061 bacterium...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980928/optimizing-expression-of-antiviral-cyanovirin-n-homology-gene-using-response-surface-methodology-and-protein-structure-prediction
#9
H Lotfi, M A Hejazi, M K Heshmati, S A Mohammadi, N Zarghami
Cyanovirin-N (CVN) is well known as an anti-HIV protein. The efficient production of low cost microbicides for preventing the HIV-infection  has lately become a requirement worldwide. The aim of the present study was to optimize the expression of antiviral Cyanovirin-N homology gene found in the indigenous strain of Nostoc ellipsospourum LZN using Response Surface Methodology (RSM) and Protein Structure Analysis. Optimization of three induction factors (IPTG concentration (0.1, 0.55 and 1mM), temperature for bacterial growth (20, 28...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980927/antioxidant-activities-anticancer-activity-and-polyphenolics-profile-of-leaf-fruit-and-stem-extracts-of-pistacia-lentiscus-from-tunisia
#10
M Yemmen, A Landolsi, J Ben Hamida, F Mégraud, M Trabelsi Ayadi
Plant derived compounds have played an important role in the development of several clinically useful anticancer drugs. The aim of the present study was 1) to evaluate for the first time the anti-proliferative activity of a polyphenol enriched extract obtained from leaf, fruit and stem of Tunisian variety of Pistacia lentiscus against two cultured cancer cells, and 2) to carry out a phytochemical analysis of vegetable extracts particularly by determining the chemical composition of phenolics (total polyphenols, flavonoids and condensed tannins content in solvents with varying polarities), 3) to  evaluate the antioxidant activity and identify the major compounds by RP-HPLC...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980926/insufficient-decontamination-in-sewage-treatment-plants-induce-the-risk-of-artificial-selection-of-extended-spectrum-%C3%AE-lactamase-producing-escherichia-coli
#11
A Gundogdu, H Kilic, C Kurekci, E Alp
Quantitative data about extended-spectrum beta-lactamase producing E. coli (ESBLEC) in the wastewaters are scarce, especially in developing countries. These data could be useful to raise awareness about the potential risk of spreading ESBLEC strains in the community. Water samples were collected weekly over a 10-week period, from one urban sewage treatment plant (STP), one rural STP and one hospital complex's wastewater (HWW) in Turkey. Mean E. coli and ESBLEC loads were determined for each sampling point. For the 580 ESBLEC isolated, antimicrobial resistance profiles, phylogenetic grouping, presence of common beta-lactamese-typesand integrons were studied using PCR...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980925/mir-214-modulates-cisplatin-sensitivity-of-osteosarcoma-cells-through-regulation-of-anaerobic-glycolysis
#12
Y-D Song, D-D Li, Y Guan, Y-L Wang, J Zheng
Osteosarcoma is the most frequent primary bone tumor originating from adolescents and young adults. Despite improvements in the chemo- or radio- therapy of osteosarcoma patients, survival rate has not increased and drug resistance becomes a major factor that limits the effectiveness. Therefore, investigation of new treatment modalities is urgently required to optimize therapeutic options. Our previous study described an oncogenic role of miR-214 through promotion of osteosarcoma cells proliferation. In this study, we report miR-214 contributes to cisplatin resistance in osteosarcoma cells...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980924/stat3-regulates-cytokine-expression-in-peripheral-blood-mononuclear-cells-from-asthma-patients
#13
Q Yang, W Xu, Y Long, J Kuang, J Li
Asthma is a common long term inflammatory disease of the airways. This disease affected millions of people worldwide. Recently, it is demonstrated that signal transducer and activator of transcription 3 (STAT3) plays critical role in asthma occurrence. In the current study, we isolated peripheral blood mononuclear cells (PBMCs) from patients with mild and moderate asthma, and then determined the correlation between STAT3 and cytokine expression. We found that the concentration and mRNA level of cytokines was increased in PBMCs from asthma patients...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980923/morphological-genetic-and-pigment-diversity-of-nerium-indicum-mill-in-iran
#14
F Mohammadi, G Sharifi-Sirchi, D Samsampour
The Nerium indicum Mill organs and parts of the 40 genotypes were sampled from 5 habitats of southand south east of Iran. In total, 15 morphological and pigmentvariables were measured. Analysis of variance was carried out based on completely randomized design and revealed significance differencesat p ≤ 0.05, 0.01 and 0.001 for the most variablesindicating a large-scale diversity among the genotypes. Cluster analysis divided the genotypes into 3 main groups. The first and second principal components had 34...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980922/rs3918242-variant-genotype-frequency-and-increased-timp-2-and-mmp-9-expression-are-positively-correlated-with-cancer-invasion-in-urinary-bladder-cancer
#15
S Pençe, E Özbek, N Ozan Tiryakioğlu, N Ersoy Tunali, H H Pençe, H Tunali
To study the role of MMP9 and TIMP2 genotypes and expression in predisposition to bladder cancer and relation with metastasis. 100 urinary bladder cancer patients and 100 healthy controls were included in the study. rs3918242 and rs8179090 genotypes were determined with PCR-RFLP. Quantitative real-time polymerase chain reaction was employed to assess the MMP-9 and TIMP-2 expression in tumors and adjacent healthy tissues. Variant genotype (TT) for rs3918242 polymorphism and rs8179090 variant genotype are not associated with bladder cancer risk...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980921/protease-sensitivity-and-redistribution-of-cd71-and-glycophorin-a-on-k562-cells
#16
C-H Yu, H Wang, Y Wang, N-X Cui, X Zhao, L Rong, Z-C Yi
Transmembrane proteins are delivered to plasma membrane from the endoplasmic reticulum and Golgi complex by vesicular transport along with the cytoskeletal network. Disruption of this process likely affects transmembrane protein expression. K562 cells were digested with Streptomyces griseus protease for different periods of time, and then re-cultured with different cytoskeletal and glycosylation inhibitors. Cell viability and surface expression of transferrin receptor (CD71) and glycophorin A (GPA) were analyzed before and after re-culture by flow cytometry...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980920/transcriptomic-analysis-of-human-non-small-lung-cancer-cells-a549-treated-by-one-synthetic-curcumin-derivative-mhmd
#17
G Zhou, G Sun, Y Zhou, Q Wang
In our previous studies, we have identified one curcumin analog MHMD could induce apoptosis of lung cancer cells A549 via extrinsic and intrinsic pathways in our previous studies. But the specific regulatory genes and molecular mechanisms remain poorly understood. Here, the transcriptomic profile of A549 cells was detected with RNA-seq technique after MHMD treatment at 48 h. A total of 16584651 clean data from 21831774 sequence reads were obtained and 80.75% of them could be mapped on the human test genome...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980919/risk-assessment-of-a-formamidine-pesticide-amitraz-focusing-on-thyroid-hormone-receptors-trs-in-rainbow-trout-oncorhynchus-mykiss
#18
I Meriç Turgut, E Keskin
Amitraz, a formamidine pesticide, and their metabolites have the potential to disrupt endocrine homeostasis in a variety of organisms, nevertheless there is a lack of information concerning such effects and underlying mechanisms in any fish species.To evaluate the potential impacts of Trasil (EC; active constituent 200 g amitraz/L), a commercial product of amitraz, on thyroid hormone (TH) homeostasis of rainbow trout (Oncorhynchus mykiss); mRNA levels of thyroid hormone receptors (TRs), TRα and TRβ, were determined by RT-PCR soon after sub-lethal administration in a static bio-assay system...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980918/some-heavy-metals-in-luciobarbus-esocinus-for-public-consumption-and-consumer-protection
#19
M Düşükcan, Ö Canpolat, M Eroğlu
In this study, the concentrations of some heavy metals were determined in the muscle of Luciobarbus esocinus Heckel, 1843 and in water where they live. The results were evaluated in term of potential human risk of consumption of this fish and the relationship between the heavy metal load of fish and some of their biological aspects (weight, length and sex). In addition, the accumulation factor of heavy metals in the muscle of L. esocinus were also determined. The Cr, Pb and Ni were not found in detectable levels according to results obtained by ICP...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28980917/fam196b-acts-as-oncogene-and-promotes-proliferation-of-gastric-cancer-cells-through-akt-signaling-pathway
#20
J Zhang, D D Tong, M Xue, Q Y Jiang, X F Wang, P B Yang, L Ni, L Y Zhao, C Huang
Gastric cancer (GC) is the second leading cause of cancer-related deaths worldwide, but the mechanisms remain unknown. Here we report that family with sequence similarity 196 member B (FAM196B) is highly expressed in primary GC tissues and the expression level is correlated with the clinicopathologic characteristics of GC. In this experiment, knockdown of FAM196B suppressed GC cell proliferation and induced G1/G0 to S phase cell cycle arrest by regulating Cyclin D1, Cyclin A and CDK2 expressions. Furthermore, we investigated the molecular mechanism of FAM196B action in GC...
September 30, 2017: Cellular and Molecular Biology
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