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Cellular and Molecular Biology

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https://www.readbyqxmd.com/read/27894415/intercellular-adhesion-molecule-1-polymorphisms-k469e-and-g261r-and-susceptibility-to-vasculitis-and-rheumatoid-arthritis-a-meta-analysis
#1
Y H Lee, S-C Bae
The aim of this study was to determine whether intercellular adhesion molecule-1 (ICAM-1) polymorphisms are associated with susceptibility to vasculitis or rheumatoid arthritis (RA). Meta-analyses were performed to assess the associations between K469E and G241R polymorphisms of ICAM-1 and vasculitis or RA. A total of 12 studies on 1,368 patients and 1,922 controls, which comprised 8 vasculitis studies and 4 RA studies, were included in the meta-analysis. We found no significant association between vasculitis and K469E E allele among the various subjects (OR = 1...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894414/anril-rs2383207-polymorphism-and-coronary-artery-disease-cad-risk-a-meta-analysis-with-observational-studies
#2
P Wang, P Dong, X Yang
Some studies investigated the association of antisense non-coding RNA in the INK4 locus (ANRIL) rs2383207 polymorphism with coronary artery disease (CAD) risk. However, the result was still inconsistent. The aim of this study was to investigate whether there is an association between the ANRIL rs2383207 polymorphism and CAD risk. We carried out a PubMed (Medline), EMBASE database search covering all published articles. The strength of association between ANRIL rs2383207 polymorphism and CAD risk was assessed by calculating OR with 95% CI...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894413/targeting-of-bcr-abl-lessons-learned-from-bcr-abl-inhibition
#3
X Lin, M Z Qureshi, R Attar, S Khalid, F Tahir, A Yaqub, A Aslam, I Yaylim, L K De Carlos Back, A A Farooqi, M Ismail
In 1960 researchers reported that balanced translocation between chromosomes 22 and 9 resulted in the generation of Philadelphia chromosome. This breakthrough revolutionized our knowledge related to leukemia biology and contemporary studies revealed that chromosomal translocation resulted in the fusion between the 5' segment of BCR gene and 3' segment of the ABL gene to form BCR/ABL fusion gene. Research over the years has progressively and systematically improved our understanding of the genetic and proteomic basis of Leukemia...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894412/the-most-common-genes-involved-in-epigenetics-modifications-among-iranian-patients-with-breast-cancer-a-systematic-review
#4
N Iranshahi, P Zafari, K H Yari, E Alizadeh
Breast cancer, with a lifelong risk of one in nine, is the most common cancer among women. In Iran, breast cancer is one of the growing and important women's health problems. Several environmental, genetic and epigenetics factors have been suggested to have a role in breast cancer development. Epigenetics alterations are heritable changes in gene expression that occur without causing any change in DNA sequence. DNA methylation as a main epigenetics modification in human cancer is found as a promising biomarker in early detection of breast cancer...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894411/allele-specific-pcr-and-melting-curve-analysis-showed-relatively-high-frequency-of-%C3%AE-casein-gene-a1-allele-in-iranian-holstein-simmental-and-native-cows
#5
M Gholami, S H Hafezian, G Rahimi, A Farhadi, Z Rahimi, D Kahrizi, S Kiani, H Karim, S Vaziri, S Muhammadi, F Veisi, K Ghadiri, H Shetabi, J Zargooshi
There are two allelic forms of A1 and A2 of β-casein gene in dairy cattle. Proteolytic digestion of bovine β-casein A1 type produces bioactive peptide of β-casomorphin-7 known as milk devil. β-casomorphin-7 causes many diseases, including type 1 diabetes, cardiovascular disease syndrome, sudden death and madness. The aim of the present study was to determine the different allelic forms of β-casein gene in Iranian Holstein, Simmental and native cattle in order to identify A1 and A2 variants. The blood samples were collected randomly and DNA was extracted using modified salting out method...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894410/association-of-hfe-gene-mutations-with-nonalcoholic-fatty-liver-disease-in-the-iranian-population
#6
L Saremi, S Lotfipanah, M Mohammadi, H Hosseinzadeh, A Sayad, Z Saltanatpour
To determine whether the HFE gene variants H63D and C282Y are associated with NAFLD in persons with type 2 diabetes, we conducted a case-control study including 145 case of NAFLD patients with a history of type 2 diabetes and 145 matching control. The genomic DNA was extracted from the peripheral venous blood and the genotyping of HFE gene mutations was analyzed using the PCR-RFLP technique. Statistical analysis was performed using SPSS 12.0 software by χ2 test, t test and ANOVA (P<0.05). Data showed no increased frequency of HFE mutations in persons with type 2 diabetes and no association between H63D mutation and NAFLD in the study population...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894409/the-effects-of-mitochondrial-dna-deletion-and-copy-number-variations-on-different-exercise-intensities-in-highly-trained-swimmers
#7
O Baykara, S K Sahin, F Akbas, M Guven, I Onaran
It has been suggested that heavy exercise might increase oxidative stress, causing mitochondrial DNA (mtDNA) mutations as well as DNA mutations and changes in the mtDNA copy number in cells. mtDNA4977 deletion is one of the most common deletions seen on mitochondria. We hypothesize association between exercise induced oxidative stress and mtDNA damage in peripheral blood lymphocytes (PBLs) of highly trained swimmers. Therefore we studied the mtDNA4977 deletion level, mtDNA copy number and their relationship with cellular ATP and oxidative stress status in PBLs of swimmers...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894407/mirna-378-controls-cell-proliferation-in-rabbit-umbilical-cord-mesenymal-stem-cells
#8
H Wang, Z Zhao, J Du, T Wang, L Yang, H Yu
Mesenchymal stem cells (MSC) are known to have the ability to differentiate into various lineages of mesenchymal tissue. They are widely distributed in a variety of tissues in the body and are also present in the foetal environment. MicroRNAs (miRNAs) are a fundamental class of biological molecules that play a crucial role in development. In this study, microRNA-378 and its predicted target (Sufu, suppressor of fused homolog) were used to study proliferation of rabbit umbilical cord mesenymal stem cells, luciferase reporter assay was used to assess and confirm the binding sequence of 3'untranslated region between microRNA-378 and Sufu...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894406/vincristine-promotes-migration-and-invasion-of-colorectal-cancer-hct116-cells-through-rhoa-rock-myosin-light-chain-pathway
#9
X Jin, K Liu, B Jiao, X Wang, S Huang, W Ren, K Zhao
Vincristine is an antitumor vinca alkaloid isolated from vinca rosea, and is a medication used to treat a number of types of cancer. In this study, we investigated the impact of vincristine on oncogenic phenotypes of human colorectal cancer HCT116 cells. MTT assay demonstrated that vincristine showed a obviously inhibitory effect on cell growth compared to non-treated cells. However, Transwell assay showed that vincristine promoted migration and invasion of HCT116 cells in vitro in a concentration-dependent manner between 0...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894405/inhibition-of-matrix-metalloproteins-9-attenuated-candida-albicans-induced-inflammation-in-mouse-cornea
#10
C Dong, M G Yang
Since the severe corneal ulceration of mouse cornea is known to occur with inflammation. As one of imperative matrix metalloproteinase, the potential roles of matrix metalloproteins 9 (MMP9) in corneal ulceration and keratitis are still unveiled caused by fungal invasion. In this study, Candida albicans (CA) inoculated wild-type KM mice cornea was used as a model pathogen in corneal inflammation.  CA invasion significantly stimulated the expression of collagen IV and MMP9 detected by RT-PCR, Real-time PCR and Immunofluorescent staining in mouse cornea as soon as 6 hours post infection, and relatively decreased at 1 day post infection...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894404/streptozotocin-induces-neurite-outgrowth-via-pi3k-akt-and-glycogen-synthase-kinase-3%C3%AE-in-neuro2a-cells
#11
T Nishimoto, R Kimura, A Matsumoto, H Sugimoto
Streptozotocin (STZ), a naturally occurring chemical, is toxic to the various kinds of cells such as insulin-producing beta cells. However, the beneficial effect of STZ on neuronal cells such as neurite outgrowth-inducing activity has been unknown. In this study, we examined the effect of STZ on neurite outgrowth in mouse neuronal Neuro2a cells. STZ (0.01 mM~5 mM) exerted remarkable neurite outgrowth-inducing activity in Neuro2a cells in a concentration dependent manner. STZ also had the same neurite outgrowth-inducing activity as that of retinoic acid (RA), which is well known neurite outgrowth inducer...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894403/conditioned-medium-from-neural-stem-cells-inhibits-glioma-cell-growth
#12
Z Li, Q Zhong, H Liu, P Liu, J Wu, D Ma, X Chen, X Yang
Malignant glioma is one of the most common brain tumors in the central nervous system. Although the significant progress has been made in recent years, the mortality is still high and 5-year survival rate is still very low. One of the leading causes to the high mortality for glioma patients is metastasis and invasion. An efficient method to control the tumor metastasis is a promising way to treat the glioma. Previous reports indicated that neural stem cells (NSCs) were served as a delivery vector to the anti-glioma therapy...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894402/hsp90-inhibitor-enhances-anti-proliferative-and-apoptotic-effects-of-celecoxib-on-ht-29-colorectal-cancer-cells-via-increasing-bax-bcl-2-ratio
#13
A Mohammadi, M M Yaghoobi, A GholamhoseynianNajar, B Kalantari-Khandani, H Sharifi, M Saravani
Due to the high prevalence and mortality rate of colorectal cancer (CRC), new treatment approaches like combination therapy seem to be necessary. The relationship between chronic inflammation and colorectal cancer development and progression has been shown to be important. Celecoxib, a selective COX-2 inhibitor, is the only non-steroidal anti-inflammatory drug (NSAID) that has been approved for cancer therapy and prevention. Because of cardiovascular side effects of COX-2 inhibitors, combination therapy may improve the therapeutic profile...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894401/association-between-the-cytotoxic-t-lymphocyte-antigen-4-mutations-and-the-susceptibility-to-systemic-lupus-erythematosus-contribution-markers-of-inflammation-and-oxidative-stress
#14
M Tanhapour, A Vaisi-Raygani, F Bahrehmand, M Khazaei, A Kiani, Z Rahimi, H Nomani, H Tavilani, T Pourmotabbed
: The cytotoxic T lymphocyte antigen-4 (CTLA-4) also known as CD152 (cluster of differentiation 152) is a crucial negative regulator of the immune system. This protein receptor provides negative signals in order to suppress T-cell activation and immune attack against self-antigens, although its role is unclear.  The ability of CTLA-4 to limit T cell-mediated immune response has made it a major target in treatment of tumors and autoimmune diseases such as systemic lupus erythematosus (SLE)...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894400/genetic-diversity-of-the-dwarf-honeybee-apis-florea-fabricius-1787-populations-based-on-microsatellite-markers
#15
N Asadi, A Rahimi, M Ghaheri, D Kahrizi, M Bagheri Dehbaghi, S Khederzadeh, M H Banabazi, S Esmaeilkhanian, B Veisi, M Geravandi, H Karim, S Vaziri, F Daneshgar, J Zargooshi
Apis florea is one of two species of small, wild honeybee. The present study was conducted to evaluate the genetic diversity of Apis florea honeybee from 48 nests (colonies) using microsatellite markers in the South of Iran. All honeybee samples were analyzed for six microsatellite loci (A88, A107, A7, B124, A113 and A35). The six loci had different numbers of alleles in the sampled colonies ranging from 7 (loci A107) to 3 (loci A7, A35). Gene diversity in Apis florea ranged from 0.491 to 0.595. This range probably reflects the spreading of nests in a large region with a varied climate...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894399/effect-of-iguratimod-and-methotrexate-on-rankl-and-opg-expression-in-serum-and-il-1%C3%AE-induced-fibroblast-like-synoviocytes-from-patients-with-rheumatoid-arthritis
#16
X T Wang, P Li, T S Xu, R Ding, X Zhang, L Q Bi
The receptor activator of nuclear factor κB ligand (RANKL)/receptor activator of nuclear factor κB (RANK)/osteoprotegerin (OPG) system plays a key role in rheumatoid arthritis (RA)-associated bone erosion. The upregulation of the RANKL/OPG ratio promotes bone erosion. The objective of this study is to explore the effects of iguratimod, a small-molecule disease-modifying antirheumatic drug (DMARD), alone or in combination with methotrexate (MTX), on RANKL and OPG expression in RA. We performed an enzyme-linked immunosorbent assay (ELISA) to investigate the modulatory effects of iguratimod, MTX, or their combination on serum RANKL and OPG levels of patients with RA before and after treatment for 12 and 24 weeks...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894398/mir-488-determines-coat-pigmentation-by-down-regulating-the-pigment-producing-gene-pro-opiomelanocortin
#17
H Wang, S Ma, L Xue, Y Li, J Wang, X He, Z Zhu, C Dong
Coat color is a key economic trait in wool- and fur-producing animals. Coat color is controlled by complex mechanisms. Pro-opiomelanocortin (POMC) is a gene involved in pigment formation. Previous studies suggested that miR-488 might target the POMC mRNA. This study aimed to determine whether miR-488 could affect coat color by regulating POMC and to explore the regulatory roles of miR-488 on coat color in mammals. A dual fluorescence report vector containing the 3'-UTR of POMC was built to determine whether miR-488 could post-transcriptionally regulate POMC expression...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894397/isolation-and-identification-of-culturable-halophilic-bacteria-with-producing-hydrolytic-enzyme-from-incheh-broun-hypersaline-wetland-in-iran
#18
P Zarparvar, M A Amoozegar, H Babavalian, M Reza Fallahian, H Tebyanian, F Shakeri
Incheh Broun hypersaline wetland is located near the border of Turkmenistan in thenorth of Iran. This wetland is notable because of salinity (280g/l) and alteration in pH range (2.8 to 6.8). Eastern part of wetland is affected by wastewater of iodine extraction factory.  Samples were taken from soil, water and salt. Totally, 400 bacterial strains were isolated of which 194 strains were Gram-positive bacilli, 184 strains were Gram-negative rod and 22 strains were Gram-positive cocci. According to phylogenetic analysis of 16S rRNA, selected strains were placed in three taxonomic phyla including Firmicutes, Actinobacteria and Gammaproteobacteria...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894396/ellagic-acid-ameliorates-cuprizone-induced-acute-cns-inflammation-via-restriction-of-microgliosis-and-down-regulation-of-ccl2-and-ccl3-pro-inflammatory-chemokines
#19
N Sanadgol, F Golab, A Mostafaie, M Mehdizadeh, M Abdollahi, M Sharifzadeh, H Ravan
Ellagic acid (EA) is a natural phenol antioxidant with various therapeutic activities. However, the efficacy of EA has not been examined in neuro-inflammatory conditions. Microglia making the innate immune system of the central nervous system (CNS) and are imperative cellular mediators of neuro-inflammatory processes. In this study, neuro-protective effects of EA on cuprizone (Cup)-induced acute CNS inflammation evaluated. C57BL/6J mice were fed with chow containing 0.2 % Cup for 3 weeks to induce acute neuro-inflammation predominantly in the corpus callosum (CC)...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894395/relationship-between-hepatitis-b-virus-reverse-transcriptase-181-mutation-and-s-gene-mutation-in-hepatitis-b-virus-chronically-infected-patients
#20
L-P Wang, F-Z Han, X-B Yan, Y-C Fan, K Wang
This study aims to explore clinical significance of HBV rt181 mutation. Serum samples were collected from 226 CHB patients with no anti-viral treatment, and 72 patients with adefovir dipivoxil treatment over 1 year. HBV genes of reverse transcriptase regions were amplified by nested PCR. HBV DNA in pre-S/S regions sequences were determined by sequencing. Mutations in HBV were characterized by mutational analysis. Results indicated that resistant mutation was found in 16 samples (7.08%) with no anti-viral treatment...
October 31, 2016: Cellular and Molecular Biology
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