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Diabetes methylation

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https://www.readbyqxmd.com/read/28822233/obese-fathers-lead-to-an-altered-metabolism-and-obesity-in-their-children-in-adulthood-review-of-experimental-and-human-studies
#1
REVIEW
Fernanda Ornellas, Priscila V Carapeto, Carlos A Mandarim-de-Lacerda, Marcia B Aguila
OBJECTIVE: To discuss the recent literature on paternal obesity, focusing on the possible mechanisms of transmission of the phenotypes from the father to the children. SOURCES: A non-systematic review in the PubMed database found few publications in which paternal obesity was implicated in the adverse transmission of characteristics to offspring. Specific articles on epigenetics were also evaluated. As the subject is recent and still controversial, all articles were considered regardless of year of publication...
August 16, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28820912/impact-of-novel-palmitoylated-prolactin-releasing-peptide-analogs-on-metabolic-changes-in-mice-with-diet-induced-obesity
#2
Veronika Pražienková, Martina Holubová, Helena Pelantová, Martina Bugáňová, Zdenko Pirník, Barbora Mikulášková, Andrea Popelová, Miroslava Blechová, Martin Haluzík, Blanka Železná, Marek Kuzma, Jaroslav Kuneš, Lenka Maletínská
Analogs of anorexigenic neuropeptides, such as prolactin-releasing peptide (PrRP), have a potential as new anti-obesity drugs. In our previous study, palmitic acid attached to the N-terminus of PrRP enabled its central anorexigenic effects after peripheral administration. In this study, two linkers, γ-glutamic acid at Lys11 and a short, modified polyethylene glycol at the N-terminal Ser and/or Lys11, were applied for the palmitoylation of PrRP31 to improve its bioavailability. These analogs had a high affinity and activation ability to the PrRP receptor GPR10 and the neuropeptide FF2 receptor, as well as short-term anorexigenic effect similar to PrRP palmitoylated at the N-terminus...
2017: PloS One
https://www.readbyqxmd.com/read/28815391/the-role-of-epigenetics-in-type-1-diabetes
#3
REVIEW
Samuel T Jerram, Mary N Dang, R David Leslie
PURPOSE OF REVIEW: Epigenetics is defined as mitotically heritable changes in gene expression that do not directly alter the DNA sequence. By implication, such epigenetic changes are non-genetically determined, although they can be affected by inherited genetic variation. Extensive evidence indicates that autoimmune diseases including type 1 diabetes are determined by the interaction of genetic and non-genetic factors. Much is known of the genetic causes of these diseases, but the non-genetic effects are less clear-cut...
August 16, 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28814157/the-role-and-mechanism-of-glutamic-nmda-receptor-in-the-mechanical-hyperalgesia-in-diabetic-rats
#4
Jin Wang, Zhaohui Sun, Yuzhao Wang, Huisheng Wang, Yuan Guo
OBJECTIVES: Some studies have shown that painful neuropathy is a common and costly complication of both type 1 and type 2 diabetes mellitus, and glutamate is involved in the process although the mechanisms are not clear. The purpose of the present study was to investigate the effect of N-methyl-D-aspartate (NMDA) receptor on mechanical hyperalgesia in diabetic rats and the possible mechanism. METHODS: Diabetic rat model was established by intraperitoneal injection of streptozotocin (STZ, 1%, 70 mg/kg) once, and evaluated by the change in the fasting blood glucose...
August 17, 2017: Neurological Research
https://www.readbyqxmd.com/read/28805547/the-association-between-methylation-levels-of-targeted-genes-and-albuminuria-in-patients-with-early-diabetic-kidney-disease
#5
Ozgur Aldemir, Faruk Turgut, Cumali Gokce
OBJECTIVE: The incidence of diabetes and its complications are greatly increasing world-wide. Diabeticnephropathy (DN) is the main cause of end-stage renal disease and is associated with high morbidity and mortality. It is important to predict patients with high risk for DN in the early stage. We selected the genes which have an important role on diabetic kidney disease. We aimed to investigate the association between DNA methylation levels of targeted genes and albuminuria in patients with early DN...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28802070/memantine-for-the-treatment-of-general-neuropathic-pain-a-narrative-review
#6
REVIEW
Gisèle Pickering, Véronique Morel
Neuropathic pain (NP) is difficult to treat and is associated with a decline in quality of life. NP aetiologies are numerous and a number of pathologies display neuropathic characteristics. Of the various N-Methyl-D-Aspartate antagonists that are alternatives to recommended in first-line NP treatment, memantine has the safest side-effect profile and has long been approved in Alzheimer's disease. The review covers memantine studies in post-herpetic neuralgia, diabetic pain, postoperative pain, complex regional pain syndrome, chronic phantom limb pain, opioid refractory pain, and fibromyalgia...
August 12, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28794688/aberrantly-methylated-differentially-expressed-genes-and-pathways-in-colorectal-cancer
#7
Jingwei Liu, Hao Li, Liping Sun, Zhenning Wang, Chengzhong Xing, Yuan Yuan
BACKGROUND: Methylation plays an important role in the etiology and pathogenesis of colorectal cancer (CRC). This study aimed to identify aberrantly methylated-differentially expressed genes (DEGs) and pathways in CRC by comprehensive bioinformatics analysis. METHODS: Data of gene expression microarrays (GSE68468, GSE44076) and gene methylation microarrays (GSE29490, GSE17648) were downloaded from GEO database. Aberrantly methylated-DEGs were obtained by GEO2R. Functional and enrichment analyses of selected genes were performed using DAVID database...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28792951/how-stable-is-repression-of-disallowed-genes-in-pancreatic-islets-in-response-to-metabolic-stress
#8
Katleen Lemaire, Mikaela Granvik, Anica Schraenen, Lotte Goyvaerts, Leentje Van Lommel, Ana Gómez-Ruiz, Peter In 't Veld, Patrick Gilon, Frans Schuit
The specific phenotype of mature differentiated beta cells not only depends on the specific presence of genes that allow beta cell function but also on the selective absence of housekeeping genes ("disallowed genes") that would interfere with this function. Recent studies have shown that both histone modifications and DNA methylation via the de novo methyltransferase DNMT3A are involved in repression of disallowed genes in neonatal beta cells when these cells acquire their mature phenotype. It is unknown, however, if the environmental influence of advanced age, pregnancy and the metabolic stress of high fat diet or diabetes could alter the repression of disallowed genes in beta cells...
2017: PloS One
https://www.readbyqxmd.com/read/28790167/chemoprotective-effects-of-butanol-fraction-of-buchholzia-coriacea-capparidaceae-against-type-2-diabetes-and-oxidative-stress-in-male-wistar-rats
#9
Amanda Chikaosolu Okolie, Oluwafemi Ezekiel Kale, Odutola Osilesi
Recent studies have shown that Type 2 diabetes (T2D) in rats can result through a synergy that link obesity to insulin resistance and β-cell dysfunction. This present study achieved T2D via high fructose (20%(w/v), p.o.), streptozotocin single dose (40 mg/kg, i.p.) (HFSTZ) in rats. Also, chemoprotective potential of butanol fraction of buchholzia coriacea (BFBC) was demonstrated. Control normal and diabetic untreated (HFSTZ-induced T2D) rats received carboxymethyl cellulose (1 mg/kg, p.o.). Diabetic rats received intragastric BFBC (20, 200, 400 mg/kg), glibenclamide (0...
August 8, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28780716/epigenetics-a-potential-key-mechanism-involved-in-the-pathogenesis-of-cardiorenal-syndromes
#10
REVIEW
Grazia Maria Virzì, Anna Clementi, Alessandra Brocca, Massimo de Cal, Claudio Ronco
Epigenetics is defined as the heritable changes in gene expression patterns which are not directly encoded by modifications in the nucleotide DNA sequence of the genome, including higher order chromatin organization, DNA methylation, cytosine modifications, covalent histone tail modifications, and short non-coding RNA molecules. Recently, much attention has been paid to the role and the function of epigenetics and epimutations in the cellular and subcellular pathways and in the regulation of genes in the setting of both kidney and cardiovascular disease...
August 5, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28771557/low-moderate-urine-arsenic-and-biomarkers-of-thrombosis-and-inflammation-in-the-strong-heart-study
#11
Katherine A Moon, Ana Navas-Acien, Maria Grau-Pérez, Kevin A Francesconi, Walter Goessler, Eliseo Guallar, Jason G Umans, Lyle G Best, Jonathan D Newman
The underlying pathology of arsenic-related cardiovascular disease (CVD) is unknown. Few studies have evaluated pathways through thrombosis and inflammation for arsenic-related CVD, especially at low-moderate arsenic exposure levels (<100 μg/L in drinking water). We evaluated the association of chronic low-moderate arsenic exposure, measured as the sum of inorganic and methylated arsenic species in urine (ΣAs), with plasma biomarkers of thrombosis and inflammation in American Indian adults (45-74 years) in the Strong Heart Study...
2017: PloS One
https://www.readbyqxmd.com/read/28765836/muscle-stem-cell-and-physical-activity-what-point-is-the-debate-at
#12
Gabriele Ceccarelli, Laura Benedetti, Maria Luisa Arcari, Cecilia Carubbi, Daniela Galli
In the last 15 years, it emerged that the practice of regular physical activity reduces the risks of many diseases (cardiovascular diseases, diabetes, etc.) and it is fundamental in weight control and energy consuming to contrast obesity. Different groups proposed many molecular mechanisms as responsible for the positive effects of physical activity in healthy life. However, many points remain to be clarified. In this mini-review we reported the latest observations on the effects of physical exercise on healthy skeletal and cardiac muscle focusing on muscle stem cells...
2017: Open Medicine (Warsaw, Poland)
https://www.readbyqxmd.com/read/28763831/preparation-related-structural-diversity-and-medical-potential-in-the-treatment-of-diabetes-mellitus-with-ginseng-pectins
#13
REVIEW
Qilei Chen, Lin Zhu, Yina Tang, Zhongzhen Zhao, Tao Yi, Hubiao Chen
Pectins isolated from Panax ginseng C.A. Meyer are potential therapeutic agents for the treatment of diabetes mellitus, a global health challenge. Soil-to-bench procedures of ginseng pectin preparation significantly affect the polysaccharide structures. Various forms of ginseng pectins rich in homogalacturonan, rhamnogalacturonan-I, rhamnogalacturonan-II, and arabinogalactan have demonstrated independent or collaborative effects on hyperglycemia, oxidative stress, immunological dysfunction, and neoplasms. Monosaccharide compositions, peptide contents, degrees of esterification and methylation, and inter- and intramolecular linkages all influence pectin bioactivity...
August 1, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28761134/the-neuroprotective-effect-of-hesperidin-in-nmda-induced-retinal-injury-acts-by-suppressing-oxidative-stress-and-excessive-calpain-activation
#14
Shigeto Maekawa, Kota Sato, Kosuke Fujita, Reiko Daigaku, Hiroshi Tawarayama, Namie Murayama, Satoru Moritoh, Takeshi Yabana, Yukihiro Shiga, Kazuko Omodaka, Kazuichi Maruyama, Koji M Nishiguchi, Toru Nakazawa
We found that hesperidin, a plant-derived bioflavonoid, may be a candidate agent for neuroprotective treatment in the retina, after screening 41 materials for anti-oxidative properties in a primary retinal cell culture under oxidative stress. We found that the intravitreal injection of hesperidin in mice prevented reductions in markers of the retinal ganglion cells (RGCs) and RGC death after N-methyl-D-aspartate (NMDA)-induced excitotoxicity. Hesperidin treatment also reduced calpain activation, reactive oxygen species generation and TNF-α gene expression...
July 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28753948/selective-detection-of-target-volatile-organic-compounds-in-contaminated-humid-air-using-a-sensor-array-with-principal-component-analysis
#15
Toshio Itoh Takafumi Akamatsu, Akihiro Tsuruta, Woosuck Shin
We investigated selective detection of the target volatile organic compounds (VOCs) nonanal, n-decane, and acetoin for lung cancer-related VOCs, and acetone and methyl i-butyl ketone for diabetes-related VOCs, in humid air with simulated VOC contamination (total concentration: 300 μg/m³). We used six "grain boundary-response type" sensors, including four commercially available sensors (TGS 2600, 2610, 2610, and 2620) and two Pt, Pd, and Au-loaded SnO₂ sensors (Pt, Pd, Au/SnO₂), and two "bulk-response type" sensors, including Zr-doped CeO₂ (CeZr10), i...
July 19, 2017: Sensors
https://www.readbyqxmd.com/read/28747541/obesity-a-serious-etiologic-factor-for-male-subfertility-in-modern-society
#16
Yue Liu, Zhide Ding
Obesity, defined as excessive accumulation of fat in adipose tissue, is a metabolic disorder resulting from behavioral, environmental and heritable causes. Such malfunction increases the risk of developing hypertension, diabetes, cardiovascular disease, respiratory problems, osteoarthritis and cancer. Meanwhile, the negative impact of obesity on male reproduction is gradually being recognized. According to clinical investigations and animal experiments, obesity is correlated with reductions in sperm concentration and motility, increases in sperm DNA damage and changes in reproductive hormonal levels...
July 26, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28746172/a-genetic-variant-in-the-catechol-o-methyl-transferase-comt-gene-is-related-to-age-dependent-differences-in-the-therapeutic-effect-of-calcium-channel-blockers
#17
Jiayue Xu, Adrian E Boström, Mohamed Saeed, Raghvendra K Dubey, Gérard Waeber, Peter Vollenweider, Pedro Marques-Vidal, Jessica Mwinyi, Helgi B Schiöth
Hypertension is the leading risk factor for cardiovascular disease and one of the major health concerns worldwide. Genetic factors impact both the risk for hypertension and the therapeutic effect of antihypertensive drugs. Sex- and age-specific variances in the prevalence of hypertension are partly induced by estrogen. We investigated 6 single nucleotide polymorphisms in genes encoding enzymes involved in estrogen metabolism in relation to sex- and age-specific differences in the systolic and diastolic blood pressure (SBP and DBP) outcome under the treatment of diuretics, calcium-channel blockers (CCBs), angiotensin-converting-enzyme inhibitors, and angiotensin-receptor blockers (ARBs)...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28744818/epigenetic-modification-of-tle1-induce-abnormal-differentiation-in-diabetic-mice-intestinal-epithelium
#18
Ji-Hao Xu, Guang-Cheng Chen, Can-Ze Huang, Di Cheng, Ting-Feng Wu, Si-Yi Wang, Jie-Yao Li, Tao Yu, Qi-Kui Chen
The intestinal epithelium cells (IECs) in diabetes mellitus (DM) patients have been proven to be abnormally differentiated. During the differentiation of IECs, epigenetic modification acts as an important regulator. In this study, we aimed to examine the epigenetic alteration of Transducin-like Enhancer of Split 1 (TLE1), a multitask transcriptional co-repressor, contributing to the differentiation homeostasis in IECs of DM mice. The IECs of type 2 diabetic mice model were isolated and collected. Methylation states of whole genomic DNA promoter regions were investigated by microarray...
July 25, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28727822/dna-methylation-of-candidate-genes-in-peripheral-blood-from-patients-with-type-2-diabetes-or-the-metabolic-syndrome
#19
Sanne D van Otterdijk, Alexandra M Binder, Katarzyna Szarc Vel Szic, Julia Schwald, Karin B Michels
INTRODUCTION: The prevalence of type 2 diabetes (T2D) and the metabolic syndrome (MetS) is increasing and several studies suggested an involvement of DNA methylation in the development of these metabolic diseases. This study was designed to investigate if differential DNA methylation in blood can function as a biomarker for T2D and/or MetS. METHODS: Pyrosequencing analyses were performed for the candidate genes KCNJ11, PPARγ, PDK4, KCNQ1, SCD1, PDX1, FTO and PEG3 in peripheral blood leukocytes (PBLs) from 25 patients diagnosed with only T2D, 9 patients diagnosed with T2D and MetS and 11 control subjects without any metabolic disorders...
2017: PloS One
https://www.readbyqxmd.com/read/28725942/l-arginine-supplementation-prevents-allodynia-and-hyperalgesia-in-painful-diabetic-neuropathic-rats-by-normalizing-plasma-nitric-oxide-concentration-and-increasing-plasma-agmatine-concentration
#20
Lusliany J Rondón, M C Farges, N Davin, B Sion, A M Privat, M P Vasson, A Eschalier, C Courteix
PURPOSE: Neuropathic pain is a common diabetic complication. It is characterized by symptoms of spontaneous and stimulus-evoked pain including hyperalgesia and allodynia. L-Arginine is a common precursor of many metabolites of biological interest, in particular, nitric oxide (NO), ornithine, and hence polyamines. In central nervous system, NO, glutamate, and polyamines share an N-methyl-D-aspartate (NMDA) receptor-mediated effect. We hypothesized that a variation in arginine metabolism caused by diabetes may contribute to development and maintenance of neuropathic pain and to the worsening of clinical and biological signs of diabetes...
July 19, 2017: European Journal of Nutrition
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