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https://www.readbyqxmd.com/read/27904696/a-study-on-the-correlation-between-mthfr-promoter-methylation-and-diabetic-nephropathy
#1
Xiao-Hui Yang, Ren-Fang Cao, Yang Yu, Miao Sui, Tao Zhang, Jing-Yi Xu, Xiao-Mei Wang
OBJECTIVE: In order to observe the relationship between MTHFR promoter and DN, the determinations on MTHFR promoter methylation level and expression of HCY from DN patients have been carried out. METHODS: According to the Diabetes diagnosis and classification standard from WHO in 1999, 85 patients with DM diagnosed by Endocrinology and 30 healthy participants from our medical examination center were chosen as control specimen to study in this paper. All this specimen were divided into A, B, C and D four groups , which are corresponding simple diabetes mellitus group (SDM), early diabetic nephropathy group (EDN), clinical diabetic nephropathy group (CDN) and normal control group...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27900031/chromosome-16q-genes-cdh1-cdh13-and-adamts18-are-correlated-and-frequently-methylated-in-human-lymphoma
#2
Lobna Alkebsi, Hiroshi Handa, Akihiko Yokohama, Takayuki Saitoh, Norifumi Tsukamoto, Hirokazu Murakami
The products of the E-cadherin (CDH1), H-cadherin (CDH13) and a disintegrin and metalloproteinase with thrombospondin motif 18 (ADAMTS18) genes are proteins displaying structural features and functions on the cell surface membrane, and have been reported to be involved in cancer progression. Using reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and methylation-specific PCR (MSP) analysis, the promoter methylation status and messenger RNA (mRNA) expression levels of CDH1, CDH13 and ADAMTS18, which are putative tumor-suppressor genes located on chromosome 16q, were evaluated...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27895279/evaluation-of-immunoglobulin-g-responses-to-plasmodium-falciparum-and-plasmodium-vivax-in-malian-school-children-using-multiplex-bead-assay
#3
Eric Rogier, Delynn M Moss, Anna N Chard, Victoria Trinies, Seydou Doumbia, Matthew C Freeman, Patrick J Lammie
Malaria serology through assaying for IgG against Plasmodium spp. antigens provides evidence into the infection history for an individual. The multiplex bead assay (MBA) allows for detection of IgG against multiple Plasmodium spp., and can be especially useful in many regions where Plasmodium falciparum is of primary clinical focus, but other species are co-endemic. Dried blood spots were collected from 805 Malian children attending 42 elementary schools in the regions of Mopti, Sikasso, Koulikoro, and Bamako capital district, and IgG assayed by MBA...
November 28, 2016: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27891827/gpx3-methylation-in-bone-marrow-predicts-adverse-prognosis-and-leukemia-transformation-in-myelodysplastic-syndrome
#4
Jing-Dong Zhou, Jiang Lin, Ting-Juan Zhang, Ji-Chun Ma, Lei Yang, Xiang-Mei Wen, Hong Guo, Jing Yang, Zhao-Qun Deng, Jun Qian
Epigenetic inactivation of GPX3 has been identified in various cancers including leukemia. Moreover, aberrant DNA methylation was also found as a dominant mechanism of disease progression in myelodysplastic syndrome (MDS). This study intended to explore GPX3 promoter methylation and its clinical relevance in 110 patients with MDS. GPX3 methylation was examined by real-time quantitative methylation-specific PCR (RQ-MSP) and bisulfite sequencing PCR (BSP). GPX3 methylation was identified in 15% (17/110) MDS patients, and significantly higher than controls, and lower than acute myeloid leukemia (AML) patients (P = 0...
November 28, 2016: Cancer Medicine
https://www.readbyqxmd.com/read/27884059/dna-methylation-analysis-in-rat-kidney-epithelial-cells-exposed-to-3-mcpd-and-glycidol
#5
Mine Senyildiz, Buket Alpertunga, Sibel Ozden
3-Monochloropropane-1,2-diol (3-MCPD) is a well-known food processing contaminant that has been regarded as a rat carcinogen, which is known to induce Leydig-cell and mammary gland tumors in males, as well as kidney tumors in both genders. 3-MCPD is highly suspected to be a non-genotoxic carcinogen. 2,3-Epoxy-1-propanol (glycidol) can be formed via dehalogenation from 3-MCPD. We aimed to investigate the cytotoxic effects of 3-MCPD and glycidol, then to demonstrate the possible epigenetic mechanisms with global and gene-specific DNA methylation in rat kidney epithelial cells (NRK-52E)...
November 24, 2016: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/27852258/allele-specific-antibodies-to-plasmodium-vivax-merozoite-surface-protein-1-prevalence-and-inverse-relationship-to-haemoglobin-levels-during-infection
#6
Nuno Sepúlveda, Cristiane Guimarães Morais, Luiza Carvalho Mourão, Matheus França Freire, Cor Jesus F Fontes, Marcus Vinícius G Lacerda, Chris J Drakeley, Érika Martins Braga
BACKGROUND: Antigenic polymorphisms are considered as one of the main strategies employed by malaria parasites to escape from the host immune responses after infections. Merozoite surface protein-1 (MSP-1) of Plasmodium vivax, a promising vaccine candidate, is a highly polymorphic protein whose immune recognition is not well understood. METHODS AND RESULTS: The IgG responses to conserved (MSP-119) and polymorphic (block 2 and block 10) epitopes of PvMSP-1 were evaluated in 141 P...
November 16, 2016: Malaria Journal
https://www.readbyqxmd.com/read/27846879/plasmodium-malariae-and-plasmodium-ovale-infections-in-the-china-myanmar-border-area
#7
Peipei Li, Zhenjun Zhao, Hua Xing, Wenli Li, Xiaotong Zhu, Yaming Cao, Zhaoqing Yang, Jetsumon Sattabongkot, Guiyun Yan, Qi Fan, Liwang Cui
BACKGROUND: The Greater Mekong Subregion is aiming to achieve regional malaria elimination by 2030. Though a shift in malaria parasite species predominance by Plasmodium vivax has been recently documented, the transmission of the two minor Plasmodium species, Plasmodium malariae and Plasmodium ovale spp., is poorly characterized in the region. This study aims to determine the prevalence of these minor species in the China-Myanmar border area and their genetic diversity. METHODS: Epidemiology study was conducted during passive case detection in hospitals and clinics in Myanmar and four counties in China along the China-Myanmar border...
November 15, 2016: Malaria Journal
https://www.readbyqxmd.com/read/27835915/unveiling-changes-in-the-landscape-of-patient-populations-in-cancer-early-drug-development
#8
REVIEW
Cinta Hierro, Analía Azaro, Guillem Argilés, Elena Elez, Patricia Gómez, Joan Carles, Jordi Rodon
The introduction of new Molecularly Targeted Agents (MTA) has changed the landscape in Early Drug Development (EDD) over the last two decades, leading to an improvement in clinical trial design. Previous Phase 1 (Ph1) studies with cytotoxics focused on safety objectives, only recruiting heavily pre-treated cancer patients, have been left behind. In this review, we will illustrate the slow although unstoppable change that has increasingly been observed in those populations candidate to participate in EDD trials with the advent of MTA...
November 9, 2016: Oncotarget
https://www.readbyqxmd.com/read/27830151/the-effect-of-energy-densities-on-the-shear-bond-strength-of-self-adhering-flowable-composite-to-er-yag-pretreated-dentin
#9
Paul Nahas, Toni Zeinoun, Zeina Majzoub, Karim Corbani, Samir Nammour
Objective. To investigate the shear bond strength of self-adhering flowable resin composite, to dentin, after exposing it to Er:YAG laser radiation, at different energy densities. Materials and Methods. Sixty freshly extracted human third molars were randomly divided into five groups (n = 12). In the control group, dentin was left unirradiated, whereas, in the other four groups, dentin was irradiated with Er:YAG laser in noncontact mode (MSP mode = 100 µs; 10 Hz; beam diameter: 1.3 mm; speed of 1 mm/second; air 6 mL/min; and water 4 mL/min), and respectively, with the following level of energy (50 mJ, 60 mJ, 80 mJ, and 100 mJ)...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27818231/epigenetic-reactivation-of-rassf1a-by-phenethyl-isothiocyanate-peitc-and-promotion-of-apoptosis-in-lncap-cells
#10
Sarandeep S S Boyanapalli, Wenji Li, Francisco Fuentes, Yue Guo, Christina N Ramirez, Ximena-Parades Gonzalez, Douglas Pung, Ah-Ng Tony Kong
Epigenetic silencing of tumor suppressor genes is a phenomenon frequently observed in multiple cancers. Ras-association domain family 1 isoform A (RASSF1A) is a well-characterized tumor suppressor that belongs to the Ras-association domain family. Several studies have demonstrated that hypermethylation of the RASSF1A promoter is frequently observed in lung, prostate, and breast cancers. Phenethyl isothiocyanate (PEITC), a phytochemical abundant in cruciferous vegetables, possesses chemopreventive activities; however, its potential involvement in epigenetic mechanisms remains elusive...
November 3, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/27815429/developmental-pathways-of-multisite-musculoskeletal-pain-what-is-the-influence-of-physical-and-psychosocial-working-conditions
#11
Subas Neupane, Päivi Leino-Arjas, Clas-Håkan Nygård, Jodi Oakman, Pekka Virtanen
OBJECTIVE: To investigate the developmental pathways of multisite musculoskeletal pain (MSP) and the effect of physical and psychosocial working conditions on the development of MSP trajectories. METHODS: The study was conducted among food industry workers (N=868) using a longitudinal design. Surveys were conducted every 2 years from 2003 to 2009. The questionnaire covered MSP, physical and psychosocial working conditions (physical strain, environmental factors, repetitive movements, awkward postures; mental strain, team support, leadership, possibility to influence) and work ability...
November 4, 2016: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/27805929/genetic-variant-rs3750625-in-the-3-utr-of-adra2a-affects-stress-dependent-acute-pain-severity-after-trauma-and-alters-a-microrna-34a-regulatory-site
#12
Sarah D Linnstaedt, Margaret G Walker, Kyle D Riker, Jennifer E Nyland, JunMei Hu, Catherine Rossi, Robert A Swor, Jeffrey S Jones, Luda Diatchenko, Andrey V Bortsov, David A Peak, Samuel A McLean
α2A adrenergic receptor (α2A-AR) activation has been shown in animal models to play an important role in regulating the balance of acute pain inhibition vs. facilitation after both physical and psychological stress. To our knowledge the influence of genetic variants in the gene encoding α2A-AR, ADRA2A, on acute pain outcomes in humans experiencing traumatic stress has not been assessed. In this study, we tested whether a genetic variant in the 3'UTR of ADRA2A, rs3750625, is associated with acute musculoskeletal pain (MSP) severity following motor vehicle collision (MVC, n = 948) and sexual assault (n = 84), and whether this influence was affected by stress severity...
October 25, 2016: Pain
https://www.readbyqxmd.com/read/27798691/antigenicity-of-a-bacterially-expressed-triple-chimeric-antigen-of-plasmodium-falciparum-aarp-msp-311-and-msp-119-pfamsp-fu35
#13
Aakanksha Kalra, Jyotheeswara Reddy Edula, Puneet Kumar Gupta, Alok Kumar Pandey, Virander S Chauhan
Development of fusion chimeras as potential vaccine candidates is considered as an attractive strategy to generate effective immune responses to more than one antigen using a single construct. Here, we described the design, production, purification and antigenicity of a fusion chimera (PfAMSP-Fu35), comprised of immunologically relevant regions of three vaccine target malaria antigens, PfAARP, PfMSP-3 and PfMSP-1. The recombinant PfAMSP-Fu35 is expressed as a soluble protein and purified to homogeneity with ease at a yield of ~ 7 mg L-1...
2016: PloS One
https://www.readbyqxmd.com/read/27789946/real-time-colorimetric-detection-of-dna-methylation-of-the-pax1-gene-in-cervical-scrapings-for-cervical-cancer-screening-with-thiol-labeled-pcr-primers-and-gold-nanoparticles
#14
Jin Huang, Yu-Ligh Liou, Ya-Nan Kang, Zhi-Rong Tan, Ming-Jing Peng, Hong-Hao Zhou
BACKGROUND: DNA methylation can induce carcinogenesis by silencing key tumor suppressor genes. Analysis of aberrant methylation of tumor suppressor genes can be used as a prognostic and predictive biomarker for cancer. In this study, we propose a colorimetric method for the detection of DNA methylation of the paired box gene 1 (PAX1) gene in cervical scrapings obtained from 42 patients who underwent cervical colposcopic biopsy. METHODS: A thiolated methylation-specific polymerase chain reaction (MSP) primer was used to generate MSP products labeled with the thiol group at one end...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27769816/arsenic-trioxide-induces-cell-cycle-arrest-and-alters-dna-methylation-patterns-of-cell-cycle-regulatory-genes-in-colorectal-cancer-cells
#15
Haniyeh Eyvani, Farima Moghaddaskho, Majid Kabuli, Ali Zekri, Majid Momeny, Javad Tavakkoly-Bazzaz, Kamran Alimoghaddam, Ardeshir Ghavamzadeh, Seyed H Ghaffari
AIMS: Cell cycle dysregulation is important in tumorigenesis. Transcriptional silencing of cell cycle regulatory genes, due to DNA methylation, is a common epigenetic event in malignancies. As2O3 has been shown to induce cell cycle arrest and also to be a potential hypomethylating agent. Our study aimed to investigate DNA methylation patterns of cell cycle regulatory genes promoters, the effects of Arsenic trioxide (As2O3) on the methylated genes and cell cycle distribution in colorectal cancer (CRC) cell lines...
October 18, 2016: Life Sciences
https://www.readbyqxmd.com/read/27761802/contribution-of-lats1-and-lats2-promoter-methylation-in-oscc-development
#16
Mohammad Ayoub Rigi Ladiz, Maryam Najafi, Dor Mohammad Kordi-Tamandani
The aberrant DNA methylation of the tumor suppressor genes involved in DNA Damage Response (DDR) signaling and cell cycle regulation may lead to the tumorigenesis. Our purpose here is to analyze the promoter methylation and mRNA expression levels of LATS1 and LATS2 (LATS1/2) genes in OSCC. Promoter methylation status of LATS1/2 genes was evaluated in 70 OSCC paraffin-embedded tissues and 70 normal oral samples, using Methylation Specific PCR (MSP). LATS1/2 mRNA expression profiles were also investigated in 14 OSCC patients and 14 normal samples, using real-time PCR...
October 19, 2016: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/27757741/methylation-status-of-the-riz1-gene-promoter-in-human-glioma-tissues-and-cell-lines
#17
Chenran Zhang, Wei Meng, Jiajia Wang, Yicheng Lu, Guohan Hu, Liuhua Hu, Jie Ma
Retinoblastoma protein-interacting zinc-finger gene 1 (RIZ1), a strong tumor suppressor, is silenced in many human cancers. Our previous studies showed that RIZ1 expression was negatively correlated with the grade of glioma and was a key predictor of patient survival. Therefore, RIZ1 could be a potential tumor suppressor during glioma pathogenesis, although the mechanism underlying RIZ1 gene inactivation in gliomas is unknown. We investigated the methylation status of the RIZ1 promoter in human glioma tissues and four glioblastoma (GBM) cell lines, and verified the effect of the methyltransferase inhibitor 5-aza-2-deoxycytidine (5-aza-CdR) on RIZ1 transcription and cell proliferation...
October 18, 2016: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/27754426/methylation-analysis-of-dna-mismatch-repair-genes-using-dna-derived-from-the-peripheral-blood-of-patients-with-endometrial-cancer-epimutation-in-endometrial-carcinogenesis
#18
Takashi Takeda, Kouji Banno, Megumi Yanokura, Masataka Adachi, Moito Iijima, Haruko Kunitomi, Kanako Nakamura, Miho Iida, Yuya Nogami, Kiyoko Umene, Kenta Masuda, Yusuke Kobayashi, Wataru Yamagami, Akira Hirasawa, Eiichiro Tominaga, Nobuyuki Susumu, Daisuke Aoki
Germline mutation of DNA mismatch repair (MMR) genes is a cause of Lynch syndrome. Methylation of MutL homolog 1 (MLH1) and MutS homolog 2 (MSH2) has been detected in peripheral blood cells of patients with colorectal cancer. This methylation is referred to as epimutation. Methylation of these genes has not been studied in an unselected series of endometrial cancer cases. Therefore, we examined methylation of MLH1, MSH2, and MSH6 promoter regions of peripheral blood cells in 206 patients with endometrial cancer using a methylation-specific polymerase chain reaction (MSP)...
October 14, 2016: Genes
https://www.readbyqxmd.com/read/27748298/a-cross-sectional-study-to-assess-any-possible-linkage-of-c-t-polymorphism-in-cyp17a1-gene-with-insulin-resistance-in-non-obese-women-with-polycystic-ovarian-syndrome
#19
Ushasi Banerjee, Anindya Dasgupta, Aparna Khan, Mrinal Kanti Ghosh, Pranab Roy, Jayanta Kumar Rout, Priyankar Roy, Suparna Dhara
BACKGROUND & OBJECTIVES: Insulin resistance (IR) is a major confounding factor in polycystic ovarian syndrome (PCOS) irrespective of obesity. Its exact mechanism remains elusive till now. C/T polymorphism in the -34 promoter region of the CYP17 gene is inconsistently attributed to elucidate the mechanism of IR and its link to hyperandrogenemia in obese PCOS patients. In the present study we aimed to evaluate any association of this polymorphism with IR in non-obese women with PCOS. METHODS: Polymorphism study was performed by restriction fragment length polymorphism (RFLP) analysis of the Msp A1 digest of the PCR product of the target gene in 75 PCOS cases against 73 age and BMI matched control women...
June 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/27737665/therapeutic-efficacy-of-artemether-lumefantrine-for-the-treatment-of-uncomplicated-plasmodium-falciparum-malaria-from-three-highly-malarious-states-in-india
#20
Praveen K Bharti, Man M Shukla, Pascal Ringwald, Sri Krishna, Pushpendra P Singh, Ajay Yadav, Sweta Mishra, Usha Gahlot, Jai P Malaiya, Amit Kumar, Shambhu Prasad, Pradeep Baghel, Mohan Singh, Jaiprakash Vadadi, Mrigendra P Singh, Maria Dorina G Bustos, Leonard I Ortega, Eva-Maria Christophel, Sher S Kashyotia, Gagan S Sonal, Neeru Singh
BACKGROUND: Anti-malarial drug resistance continues to be a leading threat to malaria control efforts and calls for continued monitoring of waning efficacy of artemisinin-based combination therapy (ACT). Artesunate + sulfadoxine/pyrimethamine (AS + SP) is used for the treatment of uncomplicated Plasmodium falciparum malaria in India. However, resistance against AS + SP is emerged in northeastern states. Therefore, artemether-lumefantrine (AL) is the recommended first line treatment for falciparum malaria in north eastern states...
October 13, 2016: Malaria Journal
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