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https://www.readbyqxmd.com/read/29346164/the-nuclear-receptor-nor-1-is-a-pleiotropic-regulator-of-exercise-induced-adaptations
#1
Michael A Pearen, George E O Muscat
Exercise induces various physical and metabolic changes in skeletal muscle that adaptively reprograms this tissue to current physiological and environmental demands. Underlying these changes are broad modifications to gene expression. We postulate that the nuclear hormone receptor, Nor-1, is activated following exercise and this transcription factor modifies gene expression to drive the molecular and cellular adaptations associated with contractile reorganization.
January 15, 2018: Exercise and Sport Sciences Reviews
https://www.readbyqxmd.com/read/29344329/major-adverse-cardiovascular-event-reduction-with-glp-1-and-sglt2-agents-evidence-and-clinical-potential
#2
REVIEW
Michael E Røder
Treatment of patients with type 2 diabetes is directed against treating symptoms of hyperglycemia, minimizing the risk of hypoglycemia, and the risk of microvascular and macrovascular complications. The majority of patients with type 2 diabetes die from cardiovascular or cerebrovascular disease. Future therapies should therefore focus on reducing cardiovascular morbidity in this high-risk population. Glucagon-like peptide-1 receptor agonists (GLP-1RA) and sodium-glucose co-transporter 2 inhibitors (SGLT2-i) are two drug classes with proven antihyperglycemic effect in type 2 diabetes...
January 2018: Therapeutic Advances in Chronic Disease
https://www.readbyqxmd.com/read/29344085/synthesis-secretion-function-metabolism-and-application-of-natriuretic-peptides-in-heart-failure
#3
REVIEW
Shihui Fu, Ping Ping, Fengqi Wang, Leiming Luo
As a family of hormones with pleiotropic effects, natriuretic peptide (NP) system includes atrial NP (ANP), B-type NP (BNP), C-type NP (CNP), dendroaspis NP and urodilatin, with NP receptor-A (guanylate cyclase-A), NP receptor-B (guanylate cyclase-B) and NP receptor-C (clearance receptor). These peptides are genetically distinct, but structurally and functionally related for regulating circulatory homeostasis in vertebrates. In humans, ANP and BNP are encoded by NP precursor A (NPPA) and NPPB genes on chromosome 1, whereas CNP is encoded by NPPC on chromosome 2...
2018: Journal of Biological Engineering
https://www.readbyqxmd.com/read/29341888/protection-against-the-neurotoxic-effects-of-%C3%AE-amyloid-peptide-on-cultured-neuronal-cells-by-lovastatin-involves-elevated-expression-of-%C3%AE-7-nicotinic-acetylcholine-receptors-and-activating-phosphorylation-of-protein-kinases
#4
Liang Zhao, Yan Xiao, Jin Xiu, Long-Chun Tan, Zhi-Zhong Guan
The treatment of neurodegenerative diseases with statins has drawn increasing attention, but the related molecular mechanisms remain elusive. To examine the pleiotropic cholesterol-independent effects of statins in connection with the treatment of Alzheimer disease, we probed the influence of lovastatin on the metabolism of amyloid precursor protein (APP) , expression of nicotinic acetylcholine receptors (nAChRs), and activity of mitogen-activated protein kinase in primary cultured neurons and SH-SY5Y cells over-expressing human APP670/671...
January 13, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29340910/resistance-mechanism-in-a-terbinafine-resistant-strain-of-microsporum-canis
#5
Rui Kano, Yun-Hsia Hsiao, Han Hock Siew, Charles Chen, Atsuhiko Hasegawa, Hiroshi Kamata
To clarify the terbinafine (TRF) resistance mechanism in a TRF-resistant strain of Microsporum canis, the expression of the pleiotropic drug resistance (PDR1), multidrug resistance (MDR1), MDR2 and MDR4 genes were investigated by real-time quantitative PCR (RT-qPCR) analysis, given the known interaction of the corresponding proteins with antifungals and with the efflux blocker FK506. The expression of the PDR1, MDR1, MDR2 and MDR4 genes was 2-4 times higher in the TRF-resistant strain grown in the presence of 0...
January 16, 2018: Mycopathologia
https://www.readbyqxmd.com/read/29339492/cytocapsular-tubes-conduct-cell-translocation
#6
Tingfang Yi, Gerhard Wagner
Cell locomotion is essential for multicellular organism embryo development, organ homeostasis, tissue regeneration, immune responses, and tumor metastasis. Here we report that single mammalian cells can generate two extracellular membranous compartments: cytocapsulae and cytocapsular tubes. Cells migrate in cytocapsulae and engender cytocapsular tubes, which exhibit pleiotropic biological functions and provide tubular routes for directed cell transportation. Ultrastructural analysis by electron microscope revealed that nanoprotrusions surround and anchor cytocapsular tubes in place...
January 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29335509/salient-type-1-interleukin-1-receptor-expression-in-peripheral-non-immune-cells
#7
Anping Song, Ling Zhu, Gowthami Gorantla, Olimpia Berdysz, Stephanie A Amici, Mireia Guerau-de-Arellano, Kathryn M Madalena, Jessica K Lerch, Xiaoyu Liu, Ning Quan
Interleukin 1 is a pleiotropic cytokine that mediates diverse functions through its receptor, type I interleukin 1 receptor (IL-1R1). Most previous studies have focused on the expression and function of IL-1R1 in immune cells. Here we performed a comprehensive mapping of IL-1R1 distribution in multiple peripheral tissues using our IL-1R1 reporter (IL-1R1GR/GR) mice. This method yielded the highest sensitivity of in situ detection of IL-1R1 mRNA and protein. Besides validating previously reported IL-1R1 expression in the endocrine tissues including pituitary and pancreas, our results refuted previously reported exclusive IL-1R1 expression in neurons of the spinal cord dorsal horn and dorsal root ganglia (DRG)...
January 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29334906/rationale-and-design-of-the-carolina%C3%A2-cognition-substudy-a-randomised-controlled-trial-on-cognitive-outcomes-of-linagliptin-versus-glimepiride-in-patients-with-type-2-diabetes-mellitus
#8
Geert Jan Biessels, Jolien Janssen, Esther van den Berg, Bernard Zinman, Mark A Espeland, Michaela Mattheus, Odd Erik Johansen
BACKGROUND: Type 2 diabetes mellitus is associated with cognitive dysfunction and an increased risk of dementia. Linagliptin is a glucose-lowering agent of the dipeptidyl peptidase-IV (DPP-IV) inhibitor class that is of particular interest for the prevention of accelerated cognitive decline, because it may potentially benefit the brain through pleiotropic effects, beyond glucose lowering. This paper presents the design of a study that aims to establish if linagliptin is superior to the sulfonylurea glimepiride in the prevention of accelerated cognitive decline in patients with type 2 diabetes mellitus...
January 15, 2018: BMC Neurology
https://www.readbyqxmd.com/read/29334123/cancer-associated-fibroblasts-tailored-tumor-microenvironment-of-therapy-resistance-in-gastrointestinal-cancers
#9
REVIEW
Yeqi Sun, Ruifen Wang, Meng Qiao, Yanchun Xu, Wenbin Guan, Lifeng Wang
Gastrointestinal cancers (GI) are a group of highly aggressive malignancies with heavy cancer-related mortalities. Even if continued development of therapy methods, therapy resistance has been a great obstruction for cancer treatment and thereby inevitably leads to depressed final mortality. Peritumoral cancer associated fibroblasts (CAFs), a versatile population assisting cancer cells to build a facilitated tumor microenvironment (TME), has been demonstrated exerting a promotion influence on cancer proliferation, migration, invasion, metastasis and also therapy resistance...
January 15, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29330760/oxidized-phospholipids-stimulate-production-of-stem-cell-factor-via-nrf2-dependent-mechanisms
#10
Taras Afonyushkin, Olga V Oskolkova, Valery N Bochkov
Receptor tyrosine kinase c-Kit and its ligand stem cell factor (SCF) regulate resident vascular wall cells and recruit circulating progenitors. We tested whether SCF may be induced by oxidized palmitoyl-arachidonoyl-phosphatidylcholine (OxPAPC) known to accumulate in atherosclerotic vessels. Gene expression analysis demonstrated OxPAPC-induced upregulation of SCF mRNA and protein in different types of endothelial cells (ECs). Elevated levels of SCF mRNA were observed in aortas of ApoE-/- knockout mice. ECs produced biologically active SCF because conditioned medium from OxPAPC-treated cells stimulated activation (phosphorylation) of c-Kit in naïve ECs...
January 12, 2018: Angiogenesis
https://www.readbyqxmd.com/read/29330379/identification-of-shared-genetic-variants-between-schizophrenia-and-lung-cancer
#11
Verena Zuber, Erik G Jönsson, Oleksandr Frei, Aree Witoelar, Wesley K Thompson, Andrew J Schork, Francesco Bettella, Yunpeng Wang, Srdjan Djurovic, Olav B Smeland, Ingrid Dieset, Ayman H Fanous, Rahul S Desikan, Sébastien Küry, Stéphane Bézieau, Anders M Dale, Ian G Mills, Ole A Andreassen
Epidemiology studies suggest associations between schizophrenia and cancer. However, the underlying genetic mechanisms are not well understood, and difficult to identify from epidemiological data. We investigated if there is a shared genetic architecture between schizophrenia and cancer, with the aim to identify specific overlapping genetic loci. First, we performed genome-wide enrichment analysis and second, we analyzed specific loci jointly associated with schizophrenia and cancer by the conjunction false discovery rate...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330025/the-role-of-extracellular-and-intracellular-nicotinamide-phosphoribosyl-transferase-in-cancer-diagnostic-and-therapeutic-perspectives-and-challenges
#12
REVIEW
Maria Dalamaga, Gerasimos Socrates Christodoulatos, Christos S Mantzoros
Nicotinamide phosphoribosyl-transferase (Nampt) or pre-B cell colony-enhancing factor or visfatin represents a pleiotropic molecule acting as an enzyme, a cytokine and a growth factor. Intracellular Nampt plays an important role in cellular bioenergetics and metabolism, particularly NAD biosynthesis. NAD biosynthesis is critical in DNA repair, oncogenic signal transduction, transcription, genomic integrity and apoptosis. Although its insulin-mimetic function remains a controversial issue, extracellular Nampt presents proliferative, anti-apoptotic, pro-inflammatory, pro-angiogenic and metastatic properties...
January 9, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29328364/genetically%C3%A2-modified-stem-cells-in-treatment-of-human-diseases-tissue-kallikrein-klk1-%C3%A2-based-targeted-therapy-review
#13
Marina Devetzi, Maria Goulielmaki, Nicolas Khoury, Demetrios A Spandidos, Georgia Sotiropoulou, Ioannis Christodoulou, Vassilis Zoumpourlis
The tissue kallikrein‑kinin system (KKS) is an endogenous multiprotein metabolic cascade which is implicated in the homeostasis of the cardiovascular, renal and central nervous system. Human tissue kallikrein (KLK1) is a serine protease, component of the KKS that has been demonstrated to exert pleiotropic beneficial effects in protection from tissue injury through its anti‑inflammatory, anti‑apoptotic, anti‑fibrotic and anti‑oxidative actions. Mesenchymal stem cells (MSCs) or endothelial progenitor cells (EPCs) constitute populations of well‑characterized, readily obtainable multipotent cells with special immunomodulatory, migratory and paracrine properties rendering them appealing potential therapeutics in experimental animal models of various diseases...
January 3, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29327327/identifying-potentially-common-genes-between-dyslipidemia-and-osteoporosis-using-novel-analytical-approaches
#14
Xu Lin, Cheng Peng, Jonathan Greenbaum, Zhang-Fang Li, Ke-Hao Wu, Zeng-Xin Ao, Tong Zhang, Jie Shen, Hong-Wen Deng
Dyslipidemia (DL) is closely related to osteoporosis (OP), while the exact common genetic mechanisms are still largely unknown. We proposed to use novel genetic analysis methods with pleiotropic information to identify potentially novel and/or common genes for the potential shared pathogenesis associated with OP and/or DL. We assessed the pleiotropy between plasma lipid (PL) and femoral neck bone mineral density (FNK BMD). We jointly applied the conditional false discovery rate (cFDR) method and the genetic analysis incorporating pleiotropy and annotation (GPA) method to the summary statistics provided by genome-wide association studies (GWASs) of FNK BMD (n = 49,988) and PL (n = 188,577) to identify potentially novel and/or common genes for BMD/PL...
January 11, 2018: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/29325995/acetylshikonin-from-zicao-attenuates-cognitive-impairment-and-hippocampus-senescence-in-d-galactose-induced-aging-mouse-model-via-upregulating-the-expression-of-sirt1
#15
Qisen Li, Jiacheng Zeng, Meiling Su, Yu He, Banghao Zhu
Zicao acts as a pleiotropic medicine in various diseases due to its particular pharmacological properties, including anti-inflammatory, anti-tumor, anti-oxidative, and wound healing effects. However, few studies have focused on the function in neurodegenerative diseases of Zicao. In this study, we investigated the neuroprotective effect of Acetylshikonin (AS) from Zicao on the hippocampus of the D-galactose (D-gal)-induced sub-acute aging mouse model of Alzheimer's disease (AD). The aging model was established in male Kunming mice by subcutaneous injection of D-gal (150 mg/kg/d) for 60 days, and the mice were given AS (270, 540 and 1080 mg/kg/d) or distilled water intragastrically for 30 days after 30 days of D-gal injection...
January 8, 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29325558/systematic-target-function-annotation-of-human-transcription-factors
#16
Yong Fuga Li, Russ B Altman
BACKGROUND: Transcription factors (TFs), the key players in transcriptional regulation, have attracted great experimental attention, yet the functions of most human TFs remain poorly understood. Recent capabilities in genome-wide protein binding profiling have stimulated systematic studies of the hierarchical organization of human gene regulatory network and DNA-binding specificity of TFs, shedding light on combinatorial gene regulation. We show here that these data also enable a systematic annotation of the biological functions and functional diversity of TFs...
January 10, 2018: BMC Biology
https://www.readbyqxmd.com/read/29324803/genetic-dissection-of-the-relationships-between-grain-yield-components-by-genome-wide-association-mapping-in-a-collection-of-tetraploid-wheats
#17
Giacomo Mangini, Agata Gadaleta, Pasqualina Colasuonno, Ilaria Marcotuli, Antonio M Signorile, Rosanna Simeone, Pasquale De Vita, Anna M Mastrangelo, Giovanni Laidò, Nicola Pecchioni, Antonio Blanco
Increasing grain yield potential in wheat has been a major target of most breeding programs. Genetic advance has been frequently hindered by negative correlations among yield components that have been often observed in segregant populations and germplasm collections. A tetraploid wheat collection was evaluated in seven environments and genotyped with a 90K SNP assay to identify major and stable quantitative trait loci (QTL) for grain yield per spike (GYS), kernel number per spike (KNS) and thousand-kernel weight (TKW), and to analyse the genetic relationships between the yield components at QTL level...
2018: PloS One
https://www.readbyqxmd.com/read/29321812/construction-of-an-ultrahigh-density-genetic-linkage-map-for-jatropha-curcas-l-and-identification-of-qtl-for-fruit-yield
#18
Zhiqiang Xia, Shengkui Zhang, Mingfu Wen, Cheng Lu, Yufang Sun, Meiling Zou, Wenquan Wang
Background: As an important biofuel plant, the demand for higher yield Jatropha curcas L. is rapidly increasing. However, genetic analysis of Jatropha and molecular breeding for higher yield have been hampered by the limited number of molecular markers available. Results: An ultrahigh-density linkage map for a Jatropha mapping population of 153 individuals was constructed and covered 1380.58 cM of the Jatropha genome, with average marker density of 0.403 cM. The genetic linkage map consisted of 3422 SNP and indel markers, which clustered into 11 linkage groups...
2018: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/29320955/therapeutic-roles-of-statins-in-gynecology-and-obstetrics-the-current-evidence
#19
Burak Zeybek, Maged Costantine, Gokhan S Kilic, Mostafa A Borahay
INTRODUCTION: Statins are a class of drugs, which act by inhibiting the rate-limiting enzyme of cholesterol biosynthesis (3-hydroxy-3-methyl-glutaryl-CoA reductase). The inhibition of mevalonate synthesis leads to subsequent inhibition of downstream products of this pathway, which explains the pleiotropic effects of these agents in addition to their well-known lipid-lowering effects. Accumulating evidence suggests that statins might be beneficial in various obstetric and gynecologic conditions...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29320578/the-potent-effect-of-mycolactone-on-lipid-membranes
#20
Milène Nitenberg, Anaïs Bénarouche, Ofelia Maniti, Estelle Marion, Laurent Marsollier, Julie Géan, Erick J Dufourc, Jean-François Cavalier, Stéphane Canaan, Agnès P Girard-Egrot
Mycolactone is a lipid-like endotoxin synthesized by an environmental human pathogen, Mycobacterium ulcerans, the causal agent of Buruli ulcer disease. Mycolactone has pleiotropic effects on fundamental cellular processes (cell adhesion, cell death and inflammation). Various cellular targets of mycolactone have been identified and a literature survey revealed that most of these targets are membrane receptors residing in ordered plasma membrane nanodomains, within which their functionalities can be modulated...
January 10, 2018: PLoS Pathogens
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