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https://www.readbyqxmd.com/read/29149254/invited-commentary-gestational-hypertension-and-diabetes-a-major-public-health-concern
#1
Lewis H Kuller, Janet Catov
The obesity epidemic in the United States and other countries has contributed to an increase in the rates of gestational diabetes and hypertension. In the past, it was thought that most cases of gestational diabetes and hypertension would resolve after completion of pregnancy. In this issue of the Journal, Pace et al. (Am J Epidemiol. 2017;186(10):1115-1124) clearly documented that both gestational diabetes and hypertension lead to diabetes and hypertension and that the combination of both during pregnancy leads to very high rates of subsequent diabetes and hypertension...
November 15, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29149222/personalized-medicine-and-hispanic-health-improving-health-outcomes-and-reducing-health-disparities-a-national-heart-lung-and-blood-institute-workshop-report
#2
M Larissa Avilés-Santa, John Heintzman, Nangel M Lindberg, Rafael Guerrero-Preston, Kenneth Ramos, Ana L Abraído-Lanza, Jonca Bull, Adolph Falcón, Mary Ann McBurnie, Ernest Moy, George Papanicolaou, Ileana L Piña, Jennifer Popovic, Shakira F Suglia, Miguel A Vázquez
Persons of Hispanic/Latino descent may represent different ancestries, ethnic and cultural groups and countries of birth. In the U.S., the Hispanic/Latino population is projected to constitute 29% of the population by 2060. A personalized approach focusing on individual variability in genetics, environment, lifestyle and socioeconomic determinants of health may advance the understanding of some of the major factors contributing to the health disparities experienced by Hispanics/Latinos and other groups in the U...
2017: BMC Proceedings
https://www.readbyqxmd.com/read/29146905/pericytes-regulate-vegf-induced-endothelial-sprouting-through-vegfr1
#3
Hanna M Eilken, Rodrigo Diéguez-Hurtado, Inga Schmidt, Masanori Nakayama, Hyun-Woo Jeong, Hendrik Arf, Susanne Adams, Napoleone Ferrara, Ralf H Adams
Pericytes adhere to the abluminal surface of endothelial tubules and are required for the formation of stable vascular networks. Defective endothelial cell-pericyte interactions are frequently observed in diseases characterized by compromised vascular integrity such as diabetic retinopathy. Many functional properties of pericytes and their exact role in the regulation of angiogenic blood vessel growth remain elusive. Here we show that pericytes promote endothelial sprouting in the postnatal retinal vasculature...
November 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/29146190/newly-developed-selective-immunoinactivation-assay-revealed-reduction-in-adipose-triglyceride-lipase-activity-in-peripheral-leucocytes-from-patients-with-idiopathic-triglyceride-deposit-cardiomyovasculopathy
#4
Atsuko Takagi, Yasuyuki Ikeda, Kunihisa Kobayashi, Kazuhiro Kobayashi, Yoshihiko Ikeda, Junji Kozawa, Hideyuki Miyauchi, Ming Li, Chikako Hashimoto, Yasuhiro Hara, Satoshi Yamaguchi, Akira Suzuki, Tatsushi Toda, Hironori Nagasaka, Ken-Ichi Hirano
Triglyceride deposit cardiomyovasculopathy (TGCV) is a rare and newly identified disease among patients requiring cardiac transplantation. TGCV is characterized by cardiomyocyte steatosis and triglyceride (TG)-deposit atherosclerosis, resulting from the abnormal intracellular metabolism of TG. TGCV is classified into primary and idiopathic types. Primary TGCV carries ultra-rare genetic mutations in the adipose triglyceride lipase (ATGL), a rate-liming enzyme that hydrolyzes intracellular TG in adipose and non-adipose tissues...
November 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29145638/consequences-of-calorie-restriction-and-calorie-excess-for-the-physiological-parameters-of-the-yeast-saccharomyces-cerevisiae-cells
#5
Roman Maslanka, Magdalena Kwolek-Mirek, Renata Zadrag-Tecza
Glucose plays an important role in cell metabolism and has an impact on cellular physiology. Changes in glucose availability may strongly influence growth rate of the cell size, cell metabolism and the rate of generation of cellular by-products, such as reactive oxygen species. The positive effect of low glucose concentration conditions-calorie restriction is observed in a wide range of species, including the Saccharomyces cerevisiae yeast, yet little is known about the effect of high glucose concentrations-calorie excess...
November 14, 2017: FEMS Yeast Research
https://www.readbyqxmd.com/read/29145541/variations-in-adipor1-but-not-adipor2-are-associated-with-hypertriglyceridemia-and-diabetes-in-an-admixed-latin-american-population
#6
Gustavo Gustavo Mora-García, María S Ruiz-Díaz, Fabian Espitia-Almeida, Doris Gómez-Camargo
BACKGROUND: Adiponectin is a hormone secreted by adipose tissue. It regulates glycolysis and lipolysis and is involved in the pathophysiology of diabetes and related disorders. Its activity is mainly mediated by the transmembrane receptors AdipoR1 and AdipoR2, which are encoded by ADIPOR1 (1q32.1) and ADIPOR2 (12p13.33) genes, respectively. In genetic association studies, single nucleotide polymorphisms (SNPs) in or near these genes have been associated with metabolic alterations. However, these relationships are still controversial...
July 2017: Review of Diabetic Studies: RDS
https://www.readbyqxmd.com/read/29143895/genetic-approaches-to-the-study-of-gene-variants-and-their-impact-on-the-pathophysiology-of-type-2-diabetes
#7
REVIEW
Monica Szabo, Beáta Máté, Katalin Csép, Theodora Benedek
Diabetes mellitus is an incurable progressive disease, characterized by elevated blood glucose levels, which lead to the development of micro- and macrovascular complications. Although the etiopathology of the disease remains unclear, it seems to be multifactorial, with an important interaction between genetics and environmental causes. Currently, the genetics of type 2 diabetes (T2D) is poorly understood. The recent advance of the genetic technologies and with a better understanding of genetics, more than 120 distinct genetic loci, with more than 150 variants, have been identified that may be involved in the pathogenesis of T2D...
November 16, 2017: Biochemical Genetics
https://www.readbyqxmd.com/read/29143855/considerations-and-guidelines-for-mouse-metabolic-phenotyping-in-diabetes-research
#8
REVIEW
Thierry Alquier, Vincent Poitout
Mice are the most commonly used species in preclinical research on the pathophysiology of metabolic diseases. Although they are extremely useful for identifying pathways, mechanisms and genes regulating glucose and energy homeostasis, the specificities of the various mouse models and methodologies used to investigate a metabolic phenotype can have a profound impact on experimental results and their interpretation. This review aims to: (1) describe the most commonly used experimental tests to assess glucose and energy homeostasis in mice; (2) provide some guidelines regarding the design, analysis and interpretation of these tests, as well as for studies using genetic models; and (3) identify important caveats and confounding factors that must be taken into account in the interpretation of findings...
November 16, 2017: Diabetologia
https://www.readbyqxmd.com/read/29142975/sclerostin%C3%A2-a-debutant-on-the-autosomal-dominant-polycystic-kidney-disease-scene
#9
Magdalena Jankowska, Mathias Haarhaus, Abdul Rashid Qureshi, Bengt Lindholm, Pieter Evenepoel, Peter Stenvinkel
Introduction: Autosomal dominant polycystic kidney disease (ADPKD) is a genetic disease originating from a mutation in genes encoding polycystin 1 and 2. Recent evidence suggests that these polycystins mediate mechanosensation not only in the primary cilium of kidney cells but also in bone cells. The Wnt/β-catenin signaling pathway plays a central role in mechanotransduction in osteocytes. Mechanical unloading causes the upregulation of the Wnt inhibitor sclerostin. We tested the hypothesis that ADPKD associates with higher circulating sclerostin levels...
May 2017: KI Reports
https://www.readbyqxmd.com/read/29141886/pd-l1-genetic-overexpression-or-pharmacological-restoration-in-hematopoietic-stem-and-progenitor-cells-reverses-autoimmune-diabetes
#10
Moufida Ben Nasr, Sara Tezza, Francesca D'Addio, Chiara Mameli, Vera Usuelli, Anna Maestroni, Domenico Corradi, Silvana Belletti, Luca Albarello, Gabriella Becchi, Gian Paolo Fadini, Christian Schuetz, James Markmann, Clive Wasserfall, Leonard Zon, Gian Vincenzo Zuccotti, Paolo Fiorina
Immunologically based clinical trials performed thus far have failed to cure type 1 diabetes (T1D), in part because these approaches were nonspecific. Because the disease is driven by autoreactive CD4 T cells, which destroy β cells, transplantation of hematopoietic stem and progenitor cells (HSPCs) has been recently offered as a therapy for T1D. Our transcriptomic profiling of HSPCs revealed that these cells are deficient in programmed death ligand 1 (PD-L1), an important immune checkpoint, in the T1D nonobese diabetic (NOD) mouse model...
November 15, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/29141503/association-of-the-genetic-and-traditional-risk-factors-of-ischaemic-heart-disease-with-stemi-and-nstemi-development
#11
Diana Žaliaduonytė-Pekšienė, Vaiva Lesauskaitė, Rasa Liutkevičienė, Vytenis Tamakauskas, Vilius Kviesulaitis, Giedrė Šinkūnaitė-Maršalkienė, Sandrita Šimonytė, Simonita Mačiulskytė, Eglė Tamulevičiūtė-Prascienė, Olivija Gustienė, Abdonas Tamošiūnas, Remigijus Žaliūnas
INTRODUCTION: To evaluate the influence of traditional risk factors of ischaemic heart disease and genetic factors to predict different types of acute coronary syndromes. MATERIALS AND METHODS: Five hundred and twenty-three patients with acute coronary syndromes (393 with ST elevation myocardial infarction (STEMI) and 130 with non-ST elevation myocardial infarction (NSTEMI)) comprised the study group. The control group consisted of 645 subjects free from symptoms of ischaemic heart disease and stroke...
October 2017: Journal of the Renin-angiotensin-aldosterone System: JRAAS
https://www.readbyqxmd.com/read/29140275/old-fashioned-vs-ultra-processed-based-current-diets-possible-implication-in-the-increased-susceptibility-to-type-1-diabetes-and-celiac-disease-in-childhood
#12
REVIEW
Sandra V Aguayo-Patrón, Ana M Calderón de la Barca
Ultra-processed foods are ready-to-heat and ready-to-eat products created to replace traditional homemade meals and dishes due to convenience and accessibility. Because of their low-fiber and high-fat and sugar composition, these foodstuffs could induce a negative impact on health. They are partially responsible for obesity and chronic non-transmissible diseases; additionally, they could impact in the prevalence of autoimmune diseases such as type 1 diabetes and celiac disease. The rationale is that the nutritional composition of ultra-processed foodstuffs can induce gut dysbiosis, promoting a pro-inflammatory response and consequently, a "leaky gut"...
November 15, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/29138452/excessive-fuel-availability-amplifies-the-fto-mediated-obesity-risk-results-from-the-tuef-and-whitehall-ii-studies
#13
Róbert Wagner, Ádám G Tabák, Ellen Fehlert, Louise Fritsche, Benjamin A Jaghutriz, Róbert J Bánhegyi, Sebastian M Schmid, Harald Staiger, Fausto Machicao, Andreas Peter, Hans-Ulrich Häring, Andreas Fritsche, Martin Heni
Variation in FTO is the most important common genetic determinant of body weight. Altered energy metabolism could underlie this association. We hypothesized that higher circulating glucose or triglycerides can amplify the FTO impact on BMI. In 2671 subjects of the TUEF study, we investigated the interaction effect of fasting glucose and triglyceride levels with rs9939609 in FTO on BMI. We analysed the same interaction effect by longitudinally utilizing mixed effect models in the prospective Whitehall II study...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29136281/genetic-prediction-of-type-2-diabetes-using-deep-neural-network
#14
J Kim, J Kim, M J Kwak, M Bajaj
Type 2 diabetes (T2DM) has strong heritability but genetic models to explain heritability have been challenging. We tested deep neural network (DNN) to predict T2DM using the nested case-control study of Nurses' Health Study (3,326 females, 45.6% T2DM) and Health Professionals Follow-up Study (2,502 males, 46.5% T2DM). We selected 96, 214, 399, and 678 SNPs through Fisher's exact test and L1-penalized logistic regression. We split each dataset randomly in 4:1 to train prediction models and test their performance...
November 14, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/29135487/update-on-endocrine-aspects-of-childhood-obesity
#15
Charumathi Baskaran, Nurgun Kandemir
PURPOSE OF REVIEW: Although childhood obesity has leveled off in the last decade, 'severe obesity' continues to be on the rise. Various genetic, environmental and hormonal factors contribute to obesity. This article reviews the most current understanding of obesity's multifactorial origin and recent recommendations for its management in childhood and adolescence. RECENT FINDINGS: Epigenetics plays a key role in transmitting obesity risk to offspring. Single-nucleotide polymorphisms at genetic loci for adipokines and their receptors are associated with obesity...
November 11, 2017: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/29135052/enhanced-effect-of-human-mesenchymal-stem-cells-expressing-human-tnf-%C3%AE-r-fc-and-ho-1-gene-on-porcine-islet-xenotransplantation-in-humanized-mice
#16
Han-Sin Lee, Sanghyun Song, Du Yeon Shin, Geun-Soo Kim, Jong-Hyun Lee, Chan Woo Cho, Kyo Won Lee, Hyojun Park, Curie Ahn, Jaeseok Yang, Heung-Mo Yang, Jae Berm Park, Sung-Joo Kim
BACKGROUND: Porcine islet xenotransplantation is considered an attractive alternative treatment for type 1 diabetes mellitus. However, it is largely limited because of initial rejection due to Instant Blood-Mediated Inflammatory Reaction (IBMIR), oxidative stress, and inflammatory responses. Recently, soluble tumor necrosis factor-ɑ receptor type I (sTNF-αR) and heme oxygenase (HO)-1 genes (HO-1/sTNF-αR) have been shown to improve the viability and functionality of porcine islets after transplantation...
November 14, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/29134618/the-mechanisms-of-systemic-iron-homeostasis-and-etiology-diagnosis-and-treatment-of-hereditary-hemochromatosis
#17
REVIEW
Hiroshi Kawabata
Hereditary hemochromatosis (HH) is a group of genetic iron overload disorders that manifest with various symptoms, including hepatic dysfunction, diabetes, and cardiomyopathy. Classic HH type 1, which is common in Caucasians, is caused by bi-allelic mutations of HFE. Severe types of HH are caused by either bi-allelic mutations of HFE2 that encodes hemojuvelin (type 2A) or HAMP that encodes hepcidin (type 2B). HH type 3, which is of intermediate severity, is caused by bi-allelic mutations of TFR2 that encodes transferrin receptor 2...
November 13, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/29131413/the-effect-of-epitope-based-ligation-of-icam-1-on-survival-and-retransplantation-of-pig-islets-in-nonhuman-primates
#18
Jae-Il Lee, Jiyeon Kim, Yun-Jung Choi, Hi-Jung Park, Hye-Jin Park, Hae Joo Wi, Sunok Yoon, Jun-Seop Shin, Jin Kyun Park, Kyeong Cheon Jung, Eun Bong Lee, Hee Jung Kang, Eung Soo Hwang, Sang-Joon Kim, Chung-Gyu Park, Seong Hoe Park
BACKGROUND: Pig islet xenotransplantation is a promising alternative to allogeneic transplantation. However, the wide immunologic barrier between pigs and primates limits the long-term survival of the graft. MD-3, a novel monoclonal antibody (mAb) that recognizes a particular epitope of human ICAM-1, can render T cells tolerant to a xenograft by arresting dendritic cell maturation. We report the long-term survival of adult wild-type pig islets and successful retransplantation in nonhuman primates using a protocol comprising induction with MD-3 mAb and maintenance with anti-CD154 mAb and sirolimus...
November 12, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/29130298/role-of-micrornas-mirnas-in-pathophysiology-of-diabetes-mellitus
#19
Juhi Tiwari, Gaurav Gupta, Terezinha de Jesus Andreoli Pinto, Rahul Sharma, Kavita Pabreja, Yogesh Matta, Neha Arora, Anurag Mishra, Rakesh Sharma, Kamal Dua
Diabetes Mellitus is becoming the critical problem among the entire world and it is difficult to understand the molecular mechanism representing the concept of diabetic pathology. Recently the knowledge of the involvement of genetics in type 2 diabetes mellitus (T2DM) susceptibility has sketched a great concentration towards the transcriptional activity of ß cells within the pancreas. This disease becomes the leading cause of death so it is necessary to study the molecular pathogenesis, phenotypes, and characteristics to design the therapeutic parameters...
November 10, 2017: Panminerva Medica
https://www.readbyqxmd.com/read/29129827/genetic-predisposition-clinical-risk-factor-burden-and-lifetime-risk-of-atrial-fibrillation
#20
Lu-Chen Weng, Sarah R Preis, Olivia L Hulme, Martin G Larson, Seung Hoan Choi, Biqi Wang, Ludovic Trinquart, David D McManus, Laila Staerk, Honghuang Lin, Kathryn L Lunetta, Patrick T Ellinor, Emelia J Benjamin, Steven A Lubitz
Background -The long-term probability of developing atrial fibrillation (AF) considering genetic predisposition and clinical risk factor burden is unknown. Methods -We estimated lifetime risk of AF in individuals from the community-based Framingham Heart Study. Polygenic risk for AF was derived using a score of approximately 1,000 AF-associated single nucleotide polymorphisms. Clinical risk factor burden was calculated for each individual using a validated risk score for incident AF comprised of height, weight, systolic and diastolic blood pressure, current smoking status, antihypertensive medication use, diabetes, history of myocardial infarction, and history of heart failure...
November 12, 2017: Circulation
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