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https://www.readbyqxmd.com/read/28727072/the-equine-glucose-dependent-insulinotropic-polypeptide-receptor-a-potential-therapeutic-target-for-insulin-dysregulation
#1
M H Kheder, M N Sillence, L M Bryant, M A de Laat
Metabolic disease is a significant problem that causes a range of species-specific comorbidities. Recently, a better understanding of glucose-dependent insulinotropic polypeptide (GIP) biology has led to the suggestion that inhibiting its action may attenuate obesity in several species. In horses, antagonism of GIP may also reduce hyperinsulinemia, which leads to insulin-associated laminitis, a painful comorbidity unique to this species. However, little is known about GIP in horses. The aims of this study were to examine the tissue distribution of equine GIP receptors (eGIPR), to determine whether eGIPR can be blocked using a GIP antagonist not tested previously in horses, and to establish whether there is any association between GIP concentrations and body mass in this species...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28727025/effect-of-handling-intensity-at-the-time-of-transport-for-slaughter-on-physiological-response-and-carcass-characteristics-in-beef-cattle-fed-ractopamine-hydrochloride
#2
J A Hagenmaier, C D Reinhardt, S J Bartle, J N Henningson, M J Ritter, M S Calvo-Lorenzo, G J Vogel, C A Guthrie, M G Siemens, D U Thomson
The effects of handling intensity on the physiological response and carcass characteristics of feedlot cattle fed ractopamine hydrochloride were evaluated at the time of transport to slaughter. Eighty steers (BW = 668 ± 36 kg) representing 10 lots of similar breed, frame size, and degree of finish were blocked by lot, stratified by weight, and randomly assigned to 1 of 2 handling intensities (HI) over a 1,600 m dirt alley course: 1) low-stress handling (LSH) or 2) high-stress handling (HSH). For the LSH treatment, 4 penmates were kept at a walk with the use of a lead rider...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28725902/impact-of-grape-pomace-consumption-on-the-blood-lipid-profile-and-liver-genes-associated-with-lipid-metabolism-of-young-rats
#3
Jianmei Yu, Rishipal R Bansode, Ivy N Smith, Steven L Hurley
Herein, we investigated the effects of grape pomace (GP) in diet on body weight, blood lipid profile, and expression of liver genes associated with lipid metabolism using a young rat model. In this study, twenty female Sprague-Dawley rats at 7 weeks of age were randomly divided into 4 groups, which were fed modified AIN-93G diets containing 0% (control), 6.9%, 13.8%, and 20.7% of GP for 10 weeks. Feed consumption and body weight were weekly determined. Blood samples were obtained at the beginning and end of the feeding period for cholesterol, alanine aminotransferase (ALT), and glucose analysis...
July 20, 2017: Food & Function
https://www.readbyqxmd.com/read/28724799/galantamine-alleviates-inflammation-and-insulin-resistance-in-patients-with-metabolic-syndrome-in-a-randomized-trial
#4
Fernanda M Consolim-Colombo, Carine T Sangaleti, Fernando O Costa, Tercio L Morais, Heno F Lopes, Josiane M Motta, Maria C Irigoyen, Luiz A Bortoloto, Carlos Eduardo Rochitte, Yael Tobi Harris, Sanjaya K Satapathy, Peder S Olofsson, Meredith Akerman, Sangeeta S Chavan, Meggan MacKay, Douglas P Barnaby, Martin L Lesser, Jesse Roth, Kevin J Tracey, Valentin A Pavlov
BACKGROUND: Metabolic syndrome (MetS) is an obesity-driven condition of pandemic proportions that increases the risk of type 2 diabetes and cardiovascular disease. Pathophysiological mechanisms are poorly understood, though inflammation has been implicated in MetS pathogenesis. The aim of this study was to assess the effects of galantamine, a centrally acting acetylcholinesterase inhibitor with antiinflammatory properties, on markers of inflammation implicated in insulin resistance and cardiovascular risk, and other metabolic and cardiovascular indices in subjects with MetS...
July 20, 2017: JCI Insight
https://www.readbyqxmd.com/read/28709867/attenuation-of-the-hypoxia-induced-mir-34a-protects-cardiomyocytes-through-maintenance-of-glucose-metabolism
#5
Zai-Cun Wang, Zun-Zhe Wang, Huan-Ju Ma, Chen-Chen Wang, Hua-Ting Wang
Ischemic injury in the heart is associated with death of cardiomyocytes and even after decades of research there is no appropriate therapeutic intervention to treat ischemic injury. The microRNA miR-34a is known to be induced in cardiomyocytes following ischemic injury. Another hallmark of ischemic injury is impaired glycolysis. The objective of the current study was to investigate the effects of short- and long-term exposure to hypoxia on miR-34a expression on apoptosis and regulation of key glycolysis metabolic enzymes...
July 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28709719/metformin-effects-on-the-heart-and-the-cardiovascular-system-a%C3%A2-review-of-experimental-and-clinical-data
#6
REVIEW
L Nesti, A Natali
BACKGROUND: Metformin, the eldest and most widely used glucose lowering drug, is likely to be effective also on cardiac and vascular disease prevention. Nonetheless, uncertainty still exists with regard to its effects on the cardiovascular system as a whole and specifically on the myocardium, both at the organ and cellular levels. METHODS: We reviewed the available data on the cardiac and vascular effects of metformin, encompassing both in vitro, either tissue or isolated organ, and in vivo studies in experimental animals and humans, as well as the evidence generated by major clinical trials...
May 10, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/28706558/qiliqiangxin-enhances-cardiac-glucose-metabolism-and-improves-diastolic-function-in-spontaneously-hypertensive-rats
#7
Jingfeng Wang, Zhiming Li, Yanyan Wang, Jingjing Zhang, Weipeng Zhao, Mingqiang Fu, Xueting Han, Jingmin Zhou, Junbo Ge
Cardiac diastolic dysfunction has emerged as a growing type of heart failure. The present study aims to explore whether Qiliqiangxin (QL) can benefit cardiac diastolic function in spontaneously hypertensive rat (SHR) through enhancement of cardiac glucose metabolism. Fifteen 12-month-old male SHRs were randomly divided into QL-treated, olmesartan-treated, and saline-treated groups. Age-matched WKY rats served as normal controls. Echocardiography and histological analysis were performed. Myocardial glucose uptake was determined by (18)F-FDG using small-animal PET imaging...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28705209/metabolic-characteristics-of-individuals-at-a-high-risk-of-type-2-diabetes-a-comparative-cross-sectional-study
#8
Josefin Henninger, Araz Rawshani, Ann Hammarstedt, Björn Eliasson
BACKGROUND: Type 2 diabetes (T2D) is associated with substantial morbidity and mortality. Individuals with a family history of T2D are at an increased risk of developing the disease. The aim of this study was to assess metabolic differences between first-degree relatives (FDR) of T2D patients and persons with no known family history of T2D (non-FDR). METHODS: In 200 FDR and 73 non-FDR, we compared anthropometrics, glucose tolerance status, different measurements of insulin secretion, insulin resistance, as well as blood lipids and other blood analyses...
July 14, 2017: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/28704429/effects-of-coconut-oil-on-glycemia-inflammation-and-urogenital-microbial-parameters-in-female-ossabaw-mini-pigs
#9
Annie E Newell-Fugate, Katherine Lenz, Cassandra Skenandore, Romana A Nowak, Bryan A White, Andrea Braundmeier-Fleming
Forty percent of American women are obese and at risk for type II diabetes, impaired immune function, and altered microbiome diversity, thus impacting overall health. We investigated whether obesity induced by an excess calorie, high fat diet containing hydrogenated fats, fructose, and coconut oil (HFD) altered glucose homeostasis, peripheral immunity, and urogenital microbial dynamics. We hypothesized that HFD would cause hyperglycemia, increase peripheral inflammation, and alter urogenital microbiota to favor bacterial taxonomy associated with inflammation...
2017: PloS One
https://www.readbyqxmd.com/read/28692629/physical-activity-dimensions-associated-with-impaired-glucose-metabolism
#10
Hanan Amadid, Nanna B Johansen, Anne-Louise Bjerregaard, Dorte Vistisen, Kristine Færch, Søren Brage, Torsten Lauritzen, Daniel R Witte, Annelli Sandbæk, Marit E Jørgensen
PURPOSE: Physical activity (PA) is important in the prevention of type 2 diabetes, yet little is known about the role of specific dimensions of PA, including sedentary time in subgroups at risk of impaired glucose metabolism (IGM). We applied a data driven decision tool to identify dimensions of PA associated with IGM across age, sex and body mass index (BMI) groups. METHODS: This cross-sectional study included 1,501 individuals (mean (SD) age 65.6 (6.8) years) at high risk of type 2 diabetes from the ADDITION-PRO study...
July 7, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28689503/long-term-adaptation-capacity-of-ponies-effect-of-season-and-feed-restriction-on-blood-and-physiological-parameters
#11
L Brinkmann, A Riek, M Gerken
Domesticated horses are increasingly kept under semi-natural housing conditions, whereas their adaptation capacity is not fully investigated. In all, 10 Shetland pony mares were held under semi-extensive conditions for 1 year. In winter animals were allocated into two feeding groups (60% and 100% of maintenance energy requirement, respectively). Triiodothyronine, thyroxine, non-esterified fatty acids (NEFA), total bilirubin, total protein, triglyceride, glucose, insulin and hair length were measured at monthly intervals, whereas BW, body condition score, cresty neck score and resting heart rate were recorded every 2 weeks...
July 10, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28687587/foxo1-regulates-myocardial-glucose-oxidation-rates-via-transcriptional-control-of-pyruvate-dehydrogenase-kinase-4-expression
#12
Keshav Gopal, Bruno Saleme, Rami Al Batran, Hanin Aburasayn, Amina Eshreif, Kim L Ho, Wayne K Ma, Malak Almutairi, Farah Eaton, Manoj Gandhi, Edwards A Park, Gopinath Sutendra, John R Ussher
Pyruvate dehydrogenase (PDH) is the rate-limiting enzyme for glucose oxidation and a critical regulator of metabolic flexibility during the fasting to feeding transition. PDH is regulated via both PDH kinases (PDHK), and PDH phosphatases, which phosphorylate/inactivate and dephosphorylate/activate PDH, respectively. Our goal was to determine whether the transcription factor, forkhead box O1 (FoxO1) regulates PDH activity and glucose oxidation in the heart via increasing expression of Pdk4, the gene encoding PDHK4...
July 7, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28683829/%C3%AE-glucosidase-inhibitor-miglitol-attenuates-glucose-fluctuation-heart-rate-variability-and-sympathetic-activity-in-patients-with-type-2-diabetes-and-acute-coronary-syndrome-a-multicenter-randomized-controlled-macs-study
#13
Michio Shimabukuro, Atsushi Tanaka, Masataka Sata, Kazuoki Dai, Yoshisato Shibata, Yohei Inoue, Hiroki Ikenaga, Shinji Kishimoto, Kozue Ogasawara, Akira Takashima, Toshiyuki Niki, Osamu Arasaki, Koichi Oshiro, Yutaka Mori, Masaharu Ishihara, Koichi Node
BACKGROUND: Little is known about clinical associations between glucose fluctuations including hypoglycemia, heart rate variability (HRV), and the activity of the sympathetic nervous system (SNS) in patients with acute phase of acute coronary syndrome (ACS). This pilot study aimed to evaluate the short-term effects of glucose fluctuations on HRV and SNS activity in type 2 diabetes mellitus (T2DM) patients with recent ACS. We also examined the effect of suppressing glucose fluctuations with miglitol on these variables...
July 6, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28683240/prevalence-of-diabetes-in-greater-beirut-area-worsening-over-time
#14
Mona P Nasrallah, Nancy F Nakhoul, Lara Nasreddine, Youssef Mouneimne, Mohamad G Abiad, Hussein Ismaeel, Hani Tamim
OBJECTIVE: The Middle East North Africa region has one of the highest rates of diabetes, both in prevalence and in rate of increase. The aim of this study was to examine the prevalence and associated risk factors of Type 2 diabetes mellitus (T2D) in the adult population of Beirut. METHODS: A random sample of 501 men and women aged 18 to79 years was examined in a cross-sectional manner. The sample was then divided into three groups, based on T2D self-report, HbA1C, and fasting glucose (no diabetes or ND, at risk for diabetes or RD, and probable diabetes or PD)...
July 6, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28679623/high-but-not-low-exercise-volume-shifts-the-balance-of-renin-angiotensin-system-towards-ace2-mas-receptor-axis-in-skeletal-muscle-in-obese-rats
#15
Eliete Dalla Corte Frantz, Isabele Gomes Giori, Marcus Vinícius Machado, D'Angelo Carlo Magliano, Fernanda Marques Freitas, Mariana Sodré Boêta Andrade, Aline Bomfim Vieira, Antonio Claudio Lucas Claudio Lucas da Nóbrega, Eduardo Tibirica
Metabolic Syndrome (MS) is a cluster of metabolic risk factors which is linked to central obesity, elevated blood pressure, insulin resistance (IR) and dyslipidemia, where the rennin-angiotensin system (RAS) may provide a link among them. This study aimed to evaluate volume exercise effects comparing low versus high volume of chronic aerobic exercise on RAS axes in skeletal muscle in a diet-induced obesity (DIO) rat model. For this, male Wistar-Kyoto rats were fed a standard chow diet (SC) or a high-fat diet (HF) for 32 weeks...
July 5, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28674854/icodextrin-and-peritoneal-dialysis-advantages-and-new-applications
#16
REVIEW
Periklis Dousdampanis, Carlos Guido Musso, Konstantina Trigka
The impact of icodextrin (ico) on peritoneal dialysis (PD) extension and patient survival is well established. Predominantly, ico-based solutions were prescribed in high-transporter PD patients. Advantages of the ico-based solutions include increased biocompatibility, avoidance of glucotoxicity, enhanced ultrafiltration failure (UF), sodium removal rates, better metabolic and blood pressure control. Bimodal solutions and twice daily exchanges of ico-based solutions are two newly introduced strategies to avoid glucose exposure and/or enhance UF in PD patients with UF failure...
July 3, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28673934/activation-of-sf1-neurons-in-the-ventromedial-hypothalamus-by-dreadd-technology-increases-insulin-sensitivity-in-peripheral-tissues
#17
Eulalia A Coutinho, Shiki Okamoto, Ayako Wendy Ishikawa, Shigefumi Yokota, Nobuhiro Wada, Takahiro Hirabayashi, Kumiko Saito, Tatsuya Sato, Kazuyo Takagi, Chen-Chi Wang, Kenta Kobayashi, Yoshihiro Ogawa, Seiji Shioda, Yumiko Yoshimura, Yasuhiko Minokoshi
The ventromedial hypothalamus (VMH) regulates glucose and energy metabolism in mammals. Optogenetic stimulation of VMH neurons that express steroidogenic factor 1 (SF1) induces hyperglycemia. However, leptin acting via the VMH stimulates whole-body glucose utilization and insulin sensitivity in some peripheral tissues, whereas this effect of leptin appears to be mediated by SF1 neurons. We examined the effects of activation of SF1 neurons with DREADD (designer receptors exclusively activated by designer drugs) technology...
July 3, 2017: Diabetes
https://www.readbyqxmd.com/read/28667491/sglt-2-inhibitors-in-heart-failure-implications-for-the-kidneys
#18
REVIEW
Frederik H Verbrugge, Pieter Martens, Wilfried Mullens
PURPOSE OF REVIEW: This review aims to summarize the renal effects of sodium-glucose transporter-2 (SGLT-2) inhibitors and their potential implications in heart failure pathophysiology. RECENT FINDINGS: In patients with diabetes and established atherosclerosis, the SGLT-2 inhibitor empagliflozin versus placebo significantly reduced the rate of heart failure admissions with 35%. Moreover, empagliflozin slowed kidney disease progression and reduced the need for renal replacement therapy...
June 30, 2017: Current Heart Failure Reports
https://www.readbyqxmd.com/read/28667052/hearts-lacking-plasma-membrane-katp-channels-display-changes-in-basal-aerobic-metabolic-substrate-preference-and-ampk-activity
#19
Nermeen Youssef, Scott Campbell, Amy Barr, Manoj Gandhi, Beth Hunter, Vernon Dolinksy, Jason R B Dyck, Alexander S Clanachan, Peter E Light
Cardiac ATP-sensitive potassium (KATP) channels couple changes in cellular metabolism to membrane excitability and are activated during metabolic stress. Although under basal aerobic conditions, KATP channels are thought to be predominately closed. Despite intense research into the roles of KATP channels during metabolic stress, their contribution to aerobic basal cardiac metabolism has not been investigated previously. METHODS: Hearts from Kir6.2+/+ and Kir6.2 -/- mice were perfused in working mode and rates of glycolysis, fatty acid oxidation and glucose oxidation were measured...
June 30, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28662009/-the-assessment-of-risk-factors-for-glucose-metabolism-disorders
#20
Katarzyna Jończyk-Skórka, Jan Kowalski
AIM: The aim of the study was to assess risk factors for glucose metabolism disorders. MATERIALS AND METHODS: The study involved 197 people, 92 women and 105 men aged 63.21±8.74 years. In order to assess glucose metabolism disorders, patients were divided into three groups. The first group (DM) consisted of 60 people (16 women and 44 men aged 61.92±8.46 years). These were people with type 2 diabetes. Second group (IFG IGT) consisted of 67 people (35 women and 32 men aged 65±8...
June 23, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
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