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https://www.readbyqxmd.com/read/28103905/spatio-temporal-analysis-of-the-genetic-diversity-and-complexity-of-plasmodium-falciparum-infections-in-kedougou-southeastern-senegal
#1
Makhtar Niang, Laty G Thiam, Cheikh Loucoubar, Abdourahmane Sow, Bacary D Sadio, Mawlouth Diallo, Amadou A Sall, Aissatou Toure-Balde
BACKGROUND: Genetic analyses of the malaria parasite population and its temporal and spatial dynamics could provide an assessment of the effectiveness of disease control strategies. The genetic diversity of Plasmodium falciparum has been poorly documented in Senegal, and limited data are available from the Kedougou Region. This study examines the spatial and temporal variation of the genetic diversity and complexity of P. falciparum infections in acute febrile patients in Kedougou, southeastern Senegal...
January 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28081379/direct-gingival-fibroblast-osteoblast-transdifferentiation-via-epigenetics
#2
Y Cho, B Kim, H Bae, W Kim, J Baek, K Woo, G Lee, Y Seol, Y Lee, Y Ku, I Rhyu, H Ryoo
Alveolar bone resorption caused by trauma or periodontal diseases has represented a challenge for both dental clinicians and researchers. In this study, we evaluate the osteogenic potential of human gingival fibroblasts (HGFs) through a direct transdifferentiation from HGFs to functional osteoblasts via epigenetic modification and osteogenic signaling with bone morphogenetic protein 2 (BMP2) in vitro and in vivo. HGF treatment with 5-aza-2'-deoxycytidine (5-aza-dC) induced demethylation in the hypermethylated CpG islands of the osteogenic lineage marker genes RUNX2 and ALP, and subsequent BMP2 treatment successfully drove the fibroblasts to the osteoblasts' lineage...
January 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28077587/malaria-parasitemia-and-parasite-density-in-antiretroviral-treated-hiv-infected-adults-following-discontinuation-of-cotrimoxazole-prophylaxis
#3
Ronald K Ottichilo, Christina S Polyak, Bernard Guyah, Benson Singa, Josphat Nyataya, Krista Yuhas, Grace John-Stewart, John N Waitumbi
BACKGROUND:  Cotrimoxazole (CTX) discontinuation increases malaria incidence in human immunodeficiency virus (HIV)-infected individuals. Rates, quantity, and timing of parasitemia rebound following CTX remain undefined. METHODS:  Serial specimens from a trial of HIV-infected individuals receiving antiretroviral treatment (ART) randomized to continue (the CTX arm) or discontinue (the STOP-CTX arm) were examined for malaria parasites by quantitative reverse transcription polymerase chain reaction (PCR)...
January 1, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28077137/aberrant-methylation-of-dact1-and-dact2-are-associated-with-tumor-progression-and-poor-prognosis-in-esophageal-squamous-cell-carcinoma
#4
Yan-Li Guo, Bao-En Shan, Wei Guo, Zhi-Ming Dong, Zhen Zhou, Su-Peng Shen, Xin Guo, Jia Liang, Gang Kuang
BACKGROUND: The DACT (Dishevelled-associated antagonist of β-catenin) family of scaffold proteins may play important roles in tumorigenesis. However, the epigenetic changes of DACT1, 2, 3 and their effect on esophageal squamous cell carcinoma (ESCC) have not been investigated so far. The aim of this study was to investigate the promoter methylation and expression of DACT family, in order to elucidate more information on the role of DACT with regard to the progression and prognosis of ESCC...
January 11, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28075501/a-recoverable-ruthenium-aqua-complex-supported-onto-silica-particles-an-efficient-epoxidation-catalyst
#5
M Isabel Romero, Ingrid Ferrer, Xavier Fontrodona, Anna Roig, Montserrat Rodríguez
The preparation and characterization of new complexes with a phosphonated trpy ligand (trpy-P-Et) and a bidentate pyridylpyrazole (pypz-Me) ligand, with formula [RuII(trpy-P-Et)(pypz-Me)X]n+ (X = Cl, n= 1, 2; X=H2O, n=2, 3) is described, together with the anchoring of 3 onto two types of supports: mesoporous silica particles (SP) and silica coated magnetic particles (MSP). The aqua complex 3 is easily obtained through reflux of 2 in water and displays a bielectronic Ru(IV/II) redox process. It has been anchored onto SP and MSP supports through two different synthetic strategies, yielding the heterogeneous systems SP@3 and MSP@3 that have been fully characterized by IR, UV-vis, SEM, CV and DPV...
January 11, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28056297/-potential-mechanism-and-prognostic-value-of-promoter-methylation-of-prdm1-gene-in-diffuse-large-b-cell-lymphoma
#6
X Y Zhang, Z P Ma, W L Cui, R Chen, Abulajiang Glinaer, N Miao, X X Li
Objective: To investigate PRDM1 gene methylation status, immune classification and their prognostic significance in diffuse large B cell lymphoma (DLBCL). Methods: Immunohistochemical (IHC) staining for CD20, CD10, bcl-2, bcl-6, PRDM1/Blimp-1 and MUM1 was carried out in 100 cases of DLBCL specimens and 20 reactive lymphoid proliferation samples. All patients were classified into germinal center B cell-like (GCB) and activated B cell-like (ABC) subtype according to Hans' algorithmin. PRDM1 gene methylation was detected by methylation-specific PCR (MSP) and its relationship with clinicopathologic parameters was analyzed...
December 8, 2016: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/27998438/-inactivation-of-pms2-gene-by-promoter-methylation-in-nasopharyngeal-carcinoma
#7
H F Ni, B Jiang, Z Zhou, Y Li, X Y Yuan, X L Cao, G W Huang
Objective: To investigate the inactivation of PMS2 gene mediated by promoter methylation and its regulatory mechanism in nasopharyngeal carcinoma (NPC). Methods: Fifty-four NPC tissues, 16 normal nasopharyngeal epithelia (NNE), 5 NPC cell lines (CNE1, CNE2, TWO3, HNE1 and HONE1) and 1 normal nasopharyngeal epithelial cell line (NP69) were collected.Methylation-specific PCR (MSP) was used to detect the PMS2 promoter methylation, semi-quantitative reverse transcription PCR (qRT-PCR) was applied to determine its mRNA expression, and immunohistochemistry (IHC) was used to detect the protein expression of PMS2...
November 23, 2016: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/27994181/high-cpg-island-methylation-of-p16-gene-and-loss-of-p16-protein-expression-associate-with-the-development-and-progression-of-tetralogy-of-fallot
#8
Si-Ju Gao, Gui-Fang Zhang, Rong-Peng Zhang
We examined CpG island methylation in p16 gene and its effect on p16 protein expression in tetralogy of Fallot (ToF) patients to explore its potential implications in the development and progression of ToF. The study subjects consisted of 75 healthy controls and 63 ToF patients recruited at Linyi People's Hospital between January 2012 and June 2014. The 4 mL of peripheral venous blood of each subject was obtained and saved in ethylene diamine tetraacetic acid (EDTA) tubes. Methylation-specific polymerase chain reaction (MSP) was employed to detect CpG island methylation in p16 promoter region andWestern blotting was used to detect p16 expression of all subjects...
December 2016: Journal of Genetics
https://www.readbyqxmd.com/read/27987367/activation-of-matrix-metalloproteinase-mmp-9-by-membrane-type-1-matrix-metalloproteinase-mmp-2-axis-stimulates-tumor-metastasis
#9
Zichen Li, Takahisa Takino, Yoshio Endo, Hiroshi Sato
An artificial receptor for pro-matrix metalloproteinase-9 (proMMP-9) was created by fusing tissue inhibitor of MMP-1 (TIMP-1) with type II transmembrane mosaic serine protease (MSP-T1). Expression of MSP-T1 in 293T cells induced binding of proMMP-9, which was processed by MMP-2 activated by Membrane-Type-1 MMP (MT1-MMP). HT1080 cells transfected with MSP-T1 gene produced activated MMP-9 in collagen gel, and addition of proMMP-2 to the culture augmented it, which resulted in intensive collagen digestion. These cells metastasized into chick embryonic liver more than control cells...
December 17, 2016: Cancer Science
https://www.readbyqxmd.com/read/27965682/stable-epigenetic-variants-selected-from-an-induced-hypomethylated-fragaria-vesca-population
#10
Jihua Xu, Karen K Tanino, Stephen J Robinson
Epigenetic inheritance was transmitted through selection over five generations of extreme early, but not late flowering time phenotypic lines in Fragaria vesca. Epigenetic variation was initially artificially induced using the DNA demethylation reagent 5-azacytidine (5-azaC). It is the first report to explore epigenetic variant selection and phenotypic trait inheritance in strawberry. Transmission frequency of these traits was determined across generations. The early flowering (EF4) and late stolon (LS) phenotypic traits were successfully transmitted across five and three generations through meiosis, respectively...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27942697/prevalence-and-associated-factors-for-musculoskeletal-pain-and-disability-among-spanish-music-conservatory-students
#11
Beatriz Rodríguez-Romero, Coral Pérez-Valiño, Beatriz Ageitos-Alonso, Sonia Pértega-Díaz
OBJECTIVES: To assess the prevalence of and factors associated with musculoskeletal pain (MSP) and neck and upper limb disability among music conservatory students. METHODS: An observational study in two Spanish conservatories, investigating a total of 206 students, administered the Nordic Musculoskeletal Questionnaire, visual analog scale for pain intensity, Neck Disability Index, DASH, and SF-36. Demographic and lifestyle characteristics and musical performance variables were recorded...
December 2016: Medical Problems of Performing Artists
https://www.readbyqxmd.com/read/27925061/molecular-detection-of-anaplasma-species-in-dogs-in-colombia
#12
Giovanni Vargas-Hernandez, Marcos Rogério André, Diana Maria Cendales, Keyla Carstens Marques de Sousa, Luiz Ricardo Gonçalves, Mariana Cristina Hoeppner Rondelli, Rosangela Zacarias Machado, Mirela Tinucci-Costa
Anaplasma platys and A. phagocytophilum are tick-borne pathogens that parasitize platelets and neutrophils, respectively, of humans and animals. The former is the etiological agent of canine cyclic thrombocytopenia, while the latter is that of canine granulocytic anaplasmosis. This work involved the detection and identification of Anaplasma species in blood samples from dogs in Colombia, using molecular techniques. Between December 2008 and April 2009, blood samples were drawn from the cephalic vein of 91 dogs in the central-western region of Colombia (cities of Bogota, Villavicencio and Bucaramanga) and stored in tubes containing EDTA...
October 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27919649/maldi-tof-ms-identification-of-species-from-the-acinetobacter-baumannii-ab-group-revisited-inclusion-of-the-novel-a-%C3%A2-seifertii-and-a-%C3%A2-dijkshoorniae-species
#13
M Marí-Almirall, C Cosgaya, P G Higgins, A Van Assche, M Telli, G Huys, B Lievens, H Seifert, L Dijkshoorn, I Roca, Jordi Vila
OBJECTIVES: Rapid identification of Acinetobacter species is critical as members of the A. baumannii (Ab) group differ in antibiotic susceptibility and clinical outcomes. A. baumannii, A. pittii, and A. nosocomialis can be identified by MALDI-TOF/MS, while the novel species A. seifertii and A. dijkshoorniae cannot. Low identification rates for A. nosocomialis also have been reported. We evaluated the use of MALDI-TOF/MS to identify isolates of A. seifertii and A. dijkshoorniae and revisited the identification of A...
December 3, 2016: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/27917203/population-genomics-diversity-of-plasmodium-falciparum-in-malaria-patients-attending-okelele-health-centre-okelele-ilorin-kwara-state-nigeria
#14
Olatunji Matthew Kolawole, Olugbenga Ayodeji Mokuolu, Yetunde Adeola Olukosi, Tolulope Ololade Oloyede
BACKGROUND: Plasmodium falciparum, the most dangerous malaria parasite species to humans remains an important public health concern in Okelele, a rural community in Ilorin, Kwara State, Nigeria. There is however little information about the genetic diversity of Plasmodium falciparum in Nigeria. OBJECTIVE: To determine the population genomic diversity of Plasmodium falciparum in malaria patients attending Okelele Community Healthcare Centre, Okelele, Ilorin, Kwara State...
September 2016: African Health Sciences
https://www.readbyqxmd.com/read/27904696/a-study-on-the-correlation-between-mthfr-promoter-methylation-and-diabetic-nephropathy
#15
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/27884059/dna-methylation-analysis-in-rat-kidney-epithelial-cells-exposed-to-3-mcpd-and-glycidol
#16
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/27882617/heritability-estimates-of-muscle-strength-related-phenotypes-a-systematic-review-and-meta-analysis
#17
H Zempo, E Miyamoto-Mikami, N Kikuchi, N Fuku, M Miyachi, H Murakami
The purpose of this study was to clarify the heritability estimates of human muscle strength-related phenotypes (H(2) -msp). A systematic literature search was conducted using PubMed (through August 22, 2016). Studies reporting the H(2) -msp for healthy subjects in a sedentary state were included. Random-effects models were used to calculate the weighted mean heritability estimates. Moreover, subgroup analyses were performed based on phenotypic categories (eg, grip strength, isotonic strength, jumping ability)...
November 23, 2016: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/27868305/growth-nutrient-digestibility-ileal-digesta-viscosity-and-energy-metabolizability-of-growing-turkeys-fed-diets-containing-malted-sorghum-sprouts-supplemented-with-enzyme-or-yeast
#18
F O Oke, A O Oso, O O Oduguwa, A V Jegede, K-H Südekum, A O Fafiolu, V Pirgozliev
Growth, apparent nutrient digestibility, ileal digesta viscosity, and energy metabolizability of growing turkeys fed diets containing malted sorghum sprouts (MSP) supplemented with enzyme or yeast were investigated using 120, 28-day-old male turkeys. Six treatments were laid out in a 3 × 2 factorial arrangement of treatments with three dietary inclusion levels of MSP (0, 50, and 100 g/kg) and supplemented with 200 mg/kg yeast (Saccharomyces cerevisiae) or 200 mg/kg of a commercial enzyme. The experiment lasted for the starter (day 28-56) and grower phases (day 57-84) of the birds...
November 21, 2016: Journal of Animal Physiology and Animal Nutrition
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
#19
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/27818231/epigenetic-reactivation-of-rassf1a-by-phenethyl-isothiocyanate-peitc-and-promotion-of-apoptosis-in-lncap-cells
#20
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...
December 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
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