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https://www.readbyqxmd.com/read/28634272/the-secreted-msp-domain-of-c-elegans-vapb-homolog-vpr-1-patterns-the-adult-striated-muscle-mitochondrial-reticulum-via-smn-1
#1
Jessica Schultz, Se-Jin Lee, Tim Cole, Hieu D Hoang, Jack Vibbert, Pauline A Cottee, Michael A Miller, Sung Min Han
The major sperm protein domain (MSPd) has an extracellular signaling function implicated in amyotrophic lateral sclerosis. Secreted MSPds derived from the C. elegans VAPB homolog VPR-1 promote mitochondrial localization to actin-rich I-bands in body wall muscle. Here we show that the nervous system and germ line are key MSPd secretion tissues. MSPd signals are transduced through the CLR-1 Lar-like tyrosine phosphatase receptor. We show that CLR-1 is expressed throughout the muscle plasma membrane, where it is accessible to MSPd within the pseudocoelomic fluid...
June 15, 2017: Development
https://www.readbyqxmd.com/read/28606809/animal-derived-natural-products-used-in-the-bhutanese-sowa-riga-medicine
#2
Karma Yeshi, Paolo Morisco, Phurpa Wangchuk
ETHNOPHARMACOLOGICAL RELEVANCE: Bhutan has two traditional healing systems: a folklore medicine and the Bhutanese Sowa Rigpa medicine (BSM). Three different types of ingredients namely plants, animals (and their derived products) and minerals are used for the preparation of various formulations in combined form. Animals and their derived products are vital ingredients in the preparation of numerous traditional remedies. Unlike medicinal plants, research on medicinal animals has remained largely untouched...
June 9, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28576864/lin-41-and-oma-ribonucleoprotein-complexes-mediate-a-translational-repression-to-activation-switch-controlling-oocyte-meiotic-maturation-and-the-oocyte-to-embryo-transition-in-caenorhabditis-elegans
#3
Tatsuya Tsukamoto, Micah D Gearhart, Caroline A Spike, Gabriela Huelgas-Morales, Makaela Mews, Peter R Boag, Traude H Beilharz, David Greenstein
An extended meiotic prophase is a hallmark of oogenesis. Hormonal signaling activates the CDK1/cyclin B kinase to promote oocyte meiotic maturation, which involves nuclear and cytoplasmic events. Nuclear maturation encompasses nuclear envelope breakdown, meiotic spindle assembly, and chromosome segregation. Cytoplasmic maturation involves major changes in oocyte protein translation and cytoplasmic organelles and is poorly understood. In the nematode Caenorhabditis elegans, sperm release the major sperm protein (MSP) hormone to promote oocyte growth and meiotic maturation...
June 1, 2017: Genetics
https://www.readbyqxmd.com/read/28554048/ascorbic-acid-mediated-enhanced-cardiomyocyte-differentiation-of-mouse-es-cells-involves-interplay-of-dna-methylation-and-multiple-signals
#4
Deepti Abbey, Polani B Seshagiri
Embryonic stem cells (ES-cells) provide a good model system to study lineage-specific differentiation. Though, the differentiation of ES-cells to cardiomyocytes is documented, a clear understanding of the molecular mechanism of differentiation and improved functional-differentiation efficiency are yet to be achieved. In this regard, ascorbic acid (Aa) is shown to be one of the effective cardiac inducers in ES-cells. But, its mechanism is poorly understood. We therefore, investigated the mechanism of Aa-mediated cardiomyocyte differentiation of ES-cells...
May 10, 2017: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/28549390/clinical-and-molecular-monitoring-of-plasmodium-falciparum-resistance-to-antimalarial-drug-artesunate-sulphadoxine-pyrimethamine-in-two-highly-malarious-district-of-madhya-pradesh-central-india-from-2012-2014
#5
Sweta Mishra, Praveen K Bharti, Man M Shukla, Nazia A Ali, Sher S Kashyotia, Avdhesh Kumar, Akshay C Dhariwal, Neeru Singh
The spread of P. falciparum resistant strain has led to a significant resurgence of malaria morbidity and mortality. The current cornerstone in malaria treatment in India is Artemisinin based Combination (Artesunate + Sulphadoxine-Pyrimethamine) Therapy (ACT) for treatment of uncomplicated P. falciparum malaria since 2010. In the present study we assessed the therapeutic efficacy of ACT and molecular monitoring of antimalarial resistance. Therapeutic efficacy was determined by in vivo method using 28 days follow-up...
May 26, 2017: Pathogens and Global Health
https://www.readbyqxmd.com/read/28542247/genetic-polymorphism-of-merozoite-surface-protein-2-msp-2-in-plasmodium-falciparum-isolates-from-pawe-district-north-west-ethiopia
#6
Hussein Mohammed, Moges Kassa, Ashenafi Assefa, Mekonnen Tadesse, Amha Kebede
BACKGROUND: In malaria endemic regions, Plasmodium falciparum infection is characterized by extensive genetic diversity. Describing this diversity provides important information about the local malaria situation. This study was conducted to evaluate the extent of genetic diversity of P. falciparum in Pawe district, North West Ethiopia, using the highly polymorphic merozoite surface protein 2 gene. METHODS: Atotal of 92 isolates from patients with uncomplicated P...
2017: PloS One
https://www.readbyqxmd.com/read/28500887/integrated-techno-economic-and-environmental-analysis-of-butadiene-production-from-biomass
#7
Somayeh Farzad, Mohsen Ali Mandegari, Johann F Görgens
In this study, lignocellulose biorefineries annexed to a typical sugar mill were investigated to produce either ethanol (EtOH) or 1,3-butadiene (BD), utilizing bagasse and trash as feedstock. Aspen simulation of the scenarios were developed and evaluated in terms of economic and environmental performance. The minimum selling prices (MSPs) for bio-based BD and EtOH production were 2.9-3.3 and 1.26-1.38-fold higher than market prices, respectively. Based on the sensitivity analysis results, capital investment, Internal Rate of Return and extension of annual operating time had the greatest impact on the MSP...
September 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28482119/silencing-of-homeobox-a5-gene-in-the-stratum-corneum-of-psoriasis
#8
Yoshimasa Nobeyama, Yoshinori Umezawa, Hidemi Nakagawa
Analysis of psoriatic parakeratotic cells is helpful for understanding the pathogenesis of psoriasis. Methylation analysis can be performed on psoriatic scales, but it is unclear whether genes can be silenced by DNA methylation in psoriatic stratum corneum. The present study was conducted to detect genes silenced in psoriatic stratum corneum. Methylation array analysis with 485,577 probes, quantitative real-time methylation-specific PCR (RT-MSP) and bisulfite sequencing were performed for 30 psoriatic scale samples, 6 fully developed psoriatic skin samples and 12 normal skin samples...
May 8, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28469808/methylation-of-kruppel-like-factor-2-klf2-associates-with-its-expression-and-non-small-cell-lung-cancer-progression
#9
Wenbin Jiang, Xueqing Xu, Shaoli Deng, Jie Luo, Huan Xu, Chao Wang, Tingting Sun, Guoqin Lei, Fengling Zhang, Cheng Yang, Lin Zhou, Feng Wang, Ming Chen
Kruppel-like factor 2 (KLF2) is a putative tumor suppressor gene. This study investigated its role and epigenetic mechanisms in human non-small cell lung cancer (NSCLC) in ex vivo and in vitro. A total of 47 paired NSCLC and normal tissues and six cell lines were analyzed using qRT-PCR for KLF2 expression. KLF2 methylation was assessed using the methylation specific PCR (MSP) or bisulfite sequencing PCR (BSP). Functional KLF2 region 4 (+567 to +906) was confirmed using the dual-luciferase reporter assay, while CCK-8 cell viability and flow cytometric assays were used to assess changes in cell viability, cell cycle distribution, and apoptosis after knockdown or re-expression of KLF2...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28453906/oral-treponeme-major-surface-protein-sequence-diversity-and-distributions-within-periodontal-niches
#10
Meng You, Yuki Chan, Donnabella C Lacap-Bugler, Yong-Biao Huo, Wenling Gao, W Keung Leung, Rory M Watt
Treponema denticola and other species (phylotypes) of oral spirochetes are widely-considered to play important etiological roles in periodontitis and other oral infections. The major surface protein (Msp) of T. denticola is directly implicated in several pathological mechanisms. Here, we have analyzed msp sequence diversity across 68 strains of oral phylogroup 1 and 2 treponemes; including reference strains of T. denticola, Treponema putidum, Treponema medium, 'Treponema vincentii', and 'Treponema sinensis'...
April 28, 2017: Molecular Oral Microbiology
https://www.readbyqxmd.com/read/28440432/ron-and-c-met-facilitate-metastasis-through-the-erk-signaling-pathway-in-prostate-cancer-cells
#11
Binbin Yin, Zhenping Liu, Yiyun Wang, Xuchu Wang, Weiwei Liu, Pan Yu, Xiuzhi Duan, Chunhua Liu, Yuhua Chen, Yurong Zhang, Xiaoyan Pan, Hangping Yao, Zhaoping Liao, Zhihua Tao
Prostate cancer (PCa) is a metastatic malignant cancer driven by complex pathological mechanisms and characterized by poor long-term prognosis. Metastasis is the main cause of death of PCa patients, yet the molecular mechanisms of this process are poorly understood. In the present study, positive co-expression of RON and c-Met was observed in human clinical PCa tissues (biopsy material), as detected by immunohistochemical staining and quantitative real-time PCR. We investigated this further in PCa cells, demonstrating that the inhibition of RON and c-Met with foretinib (GSK1363089) suppressed metastasis and promoted the reversal of the epithelial-to-mesenchymal transition (EMT) in PCa cells...
June 2017: Oncology Reports
https://www.readbyqxmd.com/read/28365691/dickkopf-related-protein-2-is-epigenetically-inactivated-and-suppresses-colorectal-cancer-growth-and-tumor-metastasis-by-antagonizing-wnt-%C3%AE-catenin-signaling
#12
Can Wang, Yujuan Yue, Bianfei Shao, Zhu Qiu, Junhao Mu, Jun Tang, Xiaofan Han, Tingxiu Xiang, Guosheng Ren
BACKGROUND/AIMS: Aberrant activation of the Wnt/β-catenin signaling pathway plays a key role in the pathogenesis of multiple tumors including digestive cancers. Recent studies have reported that Dickkopf-related protein 2 (DKK2) is epigenetically inactivated in numerous types of cancers and that its gene products exhibit tumor-suppressive properties. However, the biological functions and underlying molecular mechanisms of DKK2 in colon carcinoma remains obscure. METHODS: We examined the expression of DKK2 in colon tumor cell lines by RT-PCR and its promoter methylation status in colon tumor cell lines and primary tumors by methylation-specific PCR (MSP)...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28350481/a-qualitative-study-of-a-maintenance-support-program-for-women-at-risk-of-homelessness-part-2-situational-factors
#13
Rose McMaster, Violeta Lopez, Rachel Kornhaber, Michelle Cleary
People who are homeless tend to have a number of complex needs. A housing maintenance support program (MSP) for women from the perspectives of clients, case managers and health professionals within the program was explored in this qualitative descriptive study. Interviews were conducted, and data were analysed using thematic analysis. The overarching theme that emerged from the data was "A life-changing event: I have the power to change." This theme was supported by three sub-themes: personal, situational and societal dimensions...
June 2017: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/28341016/the-role-of-alcohol-expectancies-in-sexual-risk-behaviors-among-adolescents-and-young-adults-in-the-democratic-republic%C3%A2-of-the%C3%A2-congo
#14
Emily A Hurley, Heena Brahmbhatt, Patrick K Kayembe, Michelle-Alphonsine Fatuma Busangu, Ma-Umba Mabiala, Deanna Kerrigan
PURPOSE: Considering the increased risk of HIV among alcohol users, we explored the role of individual alcohol expectancies in risk behaviors among youth in the Democratic Republic of the Congo. METHODS: We surveyed 1,396 adolescents (ages 15-19) and young adults (ages 20-24) on alcohol and sexual behaviors in May, 2010. We assessed expectancies of alcohol use (1) leading to sex or positive sexual experiences; (2) diminishing one's ability to resist unwanted sex; and (3) diminishing one's ability to use or negotiate use of condoms...
January 2017: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/28336320/preliminary-research-on-dna-methylation-changes-during-murine-palatogenesis-induced-by-tcdd
#15
Chen Wang, Xin-Gang Yuan, Cui-Ping Liu, Sha-Na Zhai, Ding-Wen Zhang, Yue-Xian Fu
2,3,7,8-Tetrachlrodibenzo-p-dioxin (TCDD) has been shown to induce cleft palate through growth factor and receptor expression changes during palatogenesis. DNA methylation is an important epigenetic modification that can regulate gene expressions and may be involved in TCDD-induced cleft palate. In this study, we investigated the effects of TCDD on the global and CpG DNA methylation status and the expression levels of DNA methyltransferases (Dnmts) in palate tissue of fetal mice. Pregnant C57BL/6J mice were administered with corn oil or TCDD 28 μg/kg at gestation day 10...
February 12, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28327424/cellulase-assisted-extraction-of-polysaccharides-from-malva-sylvestris-process-optimization-and-potential-functionalities
#16
Hosein Rostami, Seyed Mohammad Taghi Gharibzahedi
Enzyme-assisted extraction process of the water-soluble Malva sylvestris polysaccharides (MSPs) was optimized using response surface methodology (RSM). The highest yield (10.40%) of MSPs was achieved at 5.64% cellulase, 55.65°C temperature, 3.4h time, and 5.22 pH. Three homogeneous polysaccharide fractions (MSP-1, MSP-2, MSP-3) were purified by DEAE-cellulose and Sephadex G-100 chromatography, which were composed of galactose, glucuronic acid, arabinose, rhamnose and mannose in different molar ratios with molecular weight range of 2...
August 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28319413/aberrant-promoter-hypermethylation-of-p16-survivin-and-retinoblastoma-in-gastric-cancer
#17
L Guo, C Huang, Q J Ji
BACKGROUND: Gastric cancer is common and can be found throughout the world. Notoriously like other cancers, gastric cancer is a consequence of cellular regulation disorder. Epigenetics, including many oncogenes or tumour suppressor genes, can provide some clues for this kind of disorder. DNA methylation, especially promoter methylation, which causes the silence/decrease of tumour related genes, has become a focus in various tumour types. The aim of this study was to investigate promoter methylation of certain genes: p16, survivin, retinoblastoma (Rb), all of which have been regarded as genes related to gastric cancer...
2017: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/28315910/effect-of-selenium-supplementation-for-protection-of-salivary-glands-from-iodine-131-radiation-damage-in-patients-with-differentiated-thyroid-cancer
#18
RANDOMIZED CONTROLLED TRIAL
Haiyoung Son, Sang Mi Lee, Ra Gyoung Yoon, Hakmin Lee, Ilkyun Lee, Soon Kim, Woong Youn Chung, Jeong Won Lee
OBJECTIVE: In the current study, we examined whether selenium supplementation during iodine-131 ((131)I) treatment had a radio-protective effect on salivary glands. SUBJECTS AND METHODS: Sixteen patients with differentiated thyroid cancer were prospectively enrolled in the study. Patients after total thyroidectomy, before (131)I treatment, were divided into two groups; 8 patients in the selenium group and 8 patients in the control group. Patients in the selenium group received 300νg of selenium orally for 10 days, from 3 days before to 6 days after (131)I treatment...
January 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28299336/shisa3-promoter-methylation-is-a-potential-diagnostic-and-prognostic-biomarker-for-laryngeal-squamous-cell-carcinoma
#19
Zhisen Shen, Chongchang Zhou, Jinyun Li, Dong Ye, Hongxia Deng, Bin Cao, Wenjuan Hao, Lexi Lin, Yuna Zhang
The purpose of this study was to evaluate the contribution of SHISA3 promoter methylation to laryngeal squamous cell carcinoma (LSCC). SHISA3 promoter methylation status and expression were determined using methylation-specific polymerase chain reaction (MSP) and quantitative real-time PCR (qRT-PCR) in 93 paired LSCC and adjacent normal tissues, respectively. Furthermore, the regulatory function of the SHISA3 promoter fragment was analyzed using a luciferase reporter assay. The results reveal that there is a significant increase in SHISA3 methylation in LSCC tissues compared with corresponding nontumor tissues (P = 4...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28292214/adamtsl5-and-cdh11-putative-epigenetic-markers-for-therapeutic-resistance-in-acute-lymphoblastic-leukemia
#20
Maha Abdullah, Chee Wei Choo, Hamidah Alias, Eni Juraidah Abdul Rahman, Hishamshah Mohd Ibrahim, Rahman Jamal, Noor Hamidah Hussin
BACKGROUND AND OBJECTIVES: DNA hypermethylation has been linked to poor treatment outcome in childhood acute lymphoblastic leukemia (ALL). Genes differentially methylated in the chemoresponsive pre-B-ALL compared to chemoresistant pre-B-ALL cases provide potential prognostic markers. METHODS: DNA methylation profiles of five B-ALL childhood patients who achieved morphological complete remission (chemoresponsive) and five B-ALL patients who did not (chemoresistant) after induction treatments as well as four normal controls were compared on 27 000 CpG sites microarray chips...
March 15, 2017: Hematology (Amsterdam, Netherlands)
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