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diabetes stress hormones

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https://www.readbyqxmd.com/read/28513622/human-milk-insulin-is-related-to-maternal-plasma-insulin-and-bmi-but-other-components-of-human-milk-do-not-differ-by-bmi
#1
B E Young, Z Patinkin, C Palmer, B de la Houssaye, L A Barbour, T Hernandez, J E Friedman, N F Krebs
BACKGROUND/OBJECTIVES: The impact of maternal BMI and insulin sensitivity on bioactive components of human milk (HM) is not well understood. As the prevalence of obesity and diabetes rises, it is increasingly critical that we understand how maternal BMI and hormones associated with metabolic disease relate to concentrations of bioactive components in HM. SUBJECTS/METHODS: This longitudinal cohort design followed 48 breastfeeding mothers through the first four months of lactation, collecting fasting morning HM samples at 2-weeks and 1, 2, 3 and 4-months, and fasting maternal blood at 2-weeks and 4-months...
May 17, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28498421/molecular-analysis-of-the-mouse-brain-exposed-to-chronic-mild-stress-the-influence-of-hepatocyte-nuclear-factor-4%C3%AE-on-physiological-homeostasis
#2
Kaoru Ikubo, Kyosuke Yamanishi, Nobutaka Doe, Takuya Hashimoto, Miho Sumida, Yuko Watanabe, Yosif El-Darawish, Wen Li, Haruki Okamura, Hiromichi Yamanishi, Hisato Matsunaga
Major depressive disorder (MDD) is a prevalent disorder that causes considerable disability in social functioning and is a risk factor for physical diseases. Recent clinical reports have demonstrated a marked association between MDD and physiological dyshomeostasis induced by metabolic disorders, including diabetes, hormone abnormalities and autoimmune diseases. The authors of the present study have previously analyzed comparative gene expression profiles in the prefrontal cortex (PFC) of a chronic mild stress (CMS) animal model of MDD...
May 11, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28481181/a-diabetic-pregnancy-alters-the-expression-of-stress-related-receptors-in-gastrulating-rabbit-blastocyst-and-in-the-reproductive-tract
#3
Tom Seeling, Štefan Čikoš, Katarzyna J Grybel, Žofia Janštová, S Mareike Pendzialek, Maria Schindler, Alexandra Špirková, Anne Navarrete Santos
The incidence of diabetes mellitus for young people rises since years. A preconceptional diabetes mellitus leads to subfertility. Most of the causes for a diabetic subfertility are still unknown. Stress can significantly deteriorate glycemic control in diabetes. Several mechanisms by which "stress hormones", like adrenaline and cortisol or corticosterone, can contribute to the regulation of glucose homeostasis have been identified. Using reverse transcription-polymerase chain reaction (RT-PCR) and quantitative real-time RT-PCR, we examined the expression of adrenergic receptors and the glucocorticoid receptor transcripts in the female rabbit reproductive tract and in gastrulating blastocysts developed in normoinsulinemic mothers and in mothers with experimentally induced diabetes mellitus type 1...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28455430/endocrine-targets-of-hypoxia-inducible-factors
#4
Hsiu-Chi Lee, S-J Sean Tsai
Endocrine is an important and tightly regulated system for maintaining body homeostasis. Endocrine glands produce hormones, which are released into blood stream to guide the target cells responding to all sorts of stimulations. For maintaining body homeostasis, the secretion and activity of a particular hormone needs to be adjusted in responding to environmental challenges such as changes in nutritional status or chronic stress. Hypoxia, a status caused by reduced oxygen availability or imbalance of oxygen consumption/supply in an organ or within a cell, is a stress that affects many physiological and pathological processes...
April 28, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28436760/diabetes-management-by-probiotics-current-knowledge-and-future-pespective
#5
Aziz Homayouni-Rad, Ahmad-Reza Soroush, Leila Khalili, Leila Norouzi-Panahi, Zahra Kasaie, Hanieh-Sadat Ejtahed
Diabetes mellitus, a multifactorial disorder, is related to the intestinal microbiota via numerous molecular mechanisms. The vast increase in the prevalence of diabetes and its associated complications requires a natural and safe solution. There is a growing evidence of gut microbiota effi ciency in improving insulin resistance, impaired insulin secretion, and metabolic complications in diabetic patients. Probiotics are defi ned as live microorganisms that, when ingested in adequate amounts, exert health benefi ts to the host...
April 24, 2017: International Journal for Vitamin and Nutrition Research. Journal International de Vitaminologie et de Nutrition
https://www.readbyqxmd.com/read/28400824/melatonin-and-human-mitochondrial-diseases
#6
REVIEW
Reza Sharafati-Chaleshtori, Hedayatollah Shirzad, Mahmoud Rafieian-Kopaei, Amin Soltani
Mitochondrial dysfunction is one of the main causative factors in a wide variety of complications such as neurodegenerative disorders, ischemia/reperfusion, aging process, and septic shock. Decrease in respiratory complex activity, increase in free radical production, increase in mitochondrial synthase activity, increase in nitric oxide production, and impair in electron transport system and/or mitochondrial permeability are considered as the main factors responsible for mitochondrial dysfunction. Melatonin, the pineal gland hormone, is selectively taken up by mitochondria and acts as a powerful antioxidant, regulating the mitochondrial bioenergetic function...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28388573/amsh-prevents-ros-induced-apoptosis-by-inhibiting-foxo1-mtorc2-in-mice-adipose-tissue
#7
Weina Cao, Meihang Li, Tianjiao Wu, Fei Feng, Tongying Feng, Yang Xu, Chao Sun
Alpha-melanocyte stimulating hormone (αMSH) is an important adenohypophysis polypeptide hormone that regulates body metabolic status. To date, it is well known that the disorder of hypothalamic αMSH secretion is related to many metabolic diseases, such as obesity and type II diabetes. However, the underlying mechanisms are poorly understood. In our study, we focused on the reactive oxygen species (ROS)-induced adipocyte apoptosis and tried to unveil the role of αMSH in this process and the signal pathway which αMSH acts through...
March 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28365864/long-term-blood-glucose-monitoring-with-implanted-telemetry-device-in-conscious-and-stress-free-cynomolgus-monkeys
#8
B Wang, G Sun, W Qiao, Y Liu, J Qiao, W Ye, H Wang, X Wang, R Lindquist, Y Wang, Y-F Xiao
AIMS: Continuous blood glucose monitoring, especially long-term and remote, in diabetic patients or research is very challenging. Nonhuman primate (NHP) is an excellent model for metabolic research, because NHPs can naturally develop Type 2 diabetes mellitus (T2DM) similarly to humans. This study was to investigate blood glucose changes in conscious, moving-free cynomolgus monkeys (Macaca fascicularis) during circadian, meal, stress and drug exposure. MATERIALS AND METHODS: Blood glucose, body temperature and physical activities were continuously and simultaneously recorded by implanted HD-XG telemetry device for up to 10 weeks...
April 1, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28348018/synergistic-interaction-of-hypertension-and-diabetes-in-promoting-kidney-injury-and-the-role-of-endoplasmic-reticulum-stress
#9
Zhen Wang, Jussara M do Carmo, Nicola Aberdein, Xinchun Zhou, Jan M Williams, Alexandre A da Silva, John E Hall
Diabetes mellitus and hypertension are major risk factors for chronic kidney injury, together accounting for >70% of end-stage renal disease. In this study, we assessed interactions of hypertension and diabetes mellitus in causing kidney dysfunction and injury and the role of endoplasmic reticulum (ER) stress. Hypertension was induced by aorta constriction (AC) between the renal arteries in 6-month-old male Goto-Kakizaki (GK) type 2 diabetic and control Wistar rats. Fasting plasma glucose averaged 162±11 and 87±2 mg/dL in GK and Wistar rats, respectively...
May 2017: Hypertension
https://www.readbyqxmd.com/read/28287098/the-redox-environment-triggers-conformational-changes-and-aggregation-of-hiapp-in-type-ii-diabetes
#10
Diana C Rodriguez Camargo, Konstantinos Tripsianes, Katalin Buday, Andras Franko, Christoph Göbl, Christoph Hartlmüller, Riddhiman Sarkar, Michaela Aichler, Gabriele Mettenleiter, Michael Schulz, Annett Böddrich, Christian Erck, Henrik Martens, Axel Karl Walch, Tobias Madl, Erich E Wanker, Marcus Conrad, Martin Hrabě de Angelis, Bernd Reif
Type II diabetes (T2D) is characterized by diminished insulin production and resistance of cells to insulin. Among others, endoplasmic reticulum (ER) stress is a principal factor contributing to T2D and induces a shift towards a more reducing cellular environment. At the same time, peripheral insulin resistance triggers the over-production of regulatory hormones such as insulin and human islet amyloid polypeptide (hIAPP). We show that the differential aggregation of reduced and oxidized hIAPP assists to maintain the redox equilibrium by restoring redox equivalents...
March 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28277125/role-of-serum-levels-of-irisin-and-oxidative-stress-markers-in-pregnant-women-with-and-without-gestational-diabetes
#11
Betül Usluoğullari, Celil Alper Usluogullari, Fevzi Balkan, Mustafa Orkmez
Irisin regulates glucose levels, lipid levels, insulin sensitivity, and low-grade inflammation. Gestational diabetes mellitus (GDM) is a common metabolic complication of pregnancy, and is associated with increased rates of perinatal problems. Oxidative stress biomarkers have a role in the pathogenesis of patients with GDM. In total, 94 patients were included in our study including 46 control patients and 48 patients with GDM. Fasting blood glucose, HOMA-IR, total oxidative stress (TOS), irisin, and oxidative stress index (OSI) levels of the patients were measured...
February 26, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28276155/dissecting-copper-homeostasis-in-diabetes-mellitus
#12
REVIEW
Jennifer Lowe, Rosilane Taveira-da-Silva, Elaine Hilário-Souza
Diabetes Mellitus (DM) is characterized by elevated blood glucose levels (hyperglycemia). It can occur due to impaired secretion or action of the hormone insulin, which is produced by pancreatic beta-cells to promote the entry of glucose into the cells. It is known that hyperglycemia has an important role in the production of reactive oxygen species in all types of DM and that an imbalance of transition metal as Cu and Fe plays a pivotal role in stimulating the oxidative stress. Different levels of some transition metals, as Cu, Fe, Mn, and Zn has been reported comparing diabetic animal models with the control group...
March 9, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28273645/biomarkers-of-stress-mediated-metabolic-deregulation-in-diabetes-mellitus
#13
REVIEW
Dina R Johar, Larry H Bernstein
This review illustrates the relationship of oxidative and nitrative stress to diabetes mellitus and its complications. This is of considerable interest because diabetes mellitus is a lifetime systemic metabolic disease that may have childhood or adult onset and affects not only a triad of pancreatic islet cell insulin, pituitary insulin-like growth hormone, and liver steatosis, it has a long-term association with adiposity, atherosclerosis, coronary vascular disease, kidney disease of the nature afferent arteriolar sclerosis and nodular glomerulosclerosis, cerebrovascular disease, and amyloid deposition in the pancreas and kidney...
February 24, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28208663/endoplasmic-reticulum-er-stress-and-endocrine-disorders
#14
REVIEW
Daisuke Ariyasu, Hiderou Yoshida, Yukihiro Hasegawa
The endoplasmic reticulum (ER) is the organelle where secretory and membrane proteins are synthesized and folded. Unfolded proteins that are retained within the ER can cause ER stress. Eukaryotic cells have a defense system called the "unfolded protein response" (UPR), which protects cells from ER stress. Cells undergo apoptosis when ER stress exceeds the capacity of the UPR, which has been revealed to cause human diseases. Although neurodegenerative diseases are well-known ER stress-related diseases, it has been discovered that endocrine diseases are also related to ER stress...
February 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28194444/adipocyte-jak2-mediates-growth-hormone-induced-hepatic-insulin-resistance
#15
Kevin C Corbit, João Paulo G Camporez, Jennifer L Tran, Camella G Wilson, Dylan A Lowe, Sarah M Nordstrom, Kirthana Ganeshan, Rachel J Perry, Gerald I Shulman, Michael J Jurczak, Ethan J Weiss
For nearly 100 years, growth hormone (GH) has been known to affect insulin sensitivity and risk of diabetes. However, the tissue governing the effects of GH signaling on insulin and glucose homeostasis remains unknown. Excess GH reduces fat mass and insulin sensitivity. Conversely, GH insensitivity (GHI) is associated with increased adiposity, augmented insulin sensitivity, and protection from diabetes. Here, we induce adipocyte-specific GHI through conditional deletion of Jak2 (JAK2A), an obligate transducer of GH signaling...
February 9, 2017: JCI Insight
https://www.readbyqxmd.com/read/28190951/allostatic-load-as-a-complex-clinical-construct-a-case-based-computational-modeling-approach
#16
J Galen Buckwalter, Brian Castellani, Bruce McEwen, Arun S Karlamangla, Albert A Rizzo, Bruce John, Kyle O'Donnell, Teresa Seeman
Allostatic load (AL) is a complex clinical construct, providing a unique window into the cumulative impact of stress. However, due to its inherent complexity, AL presents two major measurement challenges to conventional statistical modeling (the field's dominant methodology): it is comprised of a complex causal network of bioallostatic systems, represented by an even larger set of dynamic biomarkers; and, it is situated within a web of antecedent socioecological systems, linking AL to differences in health outcomes and disparities...
September 2016: Complexity
https://www.readbyqxmd.com/read/28161619/combination-of-metformin-with-chemotherapeutic-drugs-via-different-molecular-mechanisms
#17
REVIEW
Mei Peng, Kwame Oteng Darko, Ting Tao, Yanjun Huang, Qiongli Su, Caimei He, Tao Yin, Zhaoqian Liu, Xiaoping Yang
Metformin, a widely prescribed drug for treating type II diabetes, is one of the most extensively recognized metabolic modulators which has shown an important anti-cancer property. However, fairly amount of clinical trials on its single administration have not demonstrated a convincing efficiency yet. Thus, recent studies tend to combine metformin with clinical commonly used chemotherapeutic drugs to decrease their toxicity and attenuate their tumor resistance. These strategies have displayed promising clinical benefits...
March 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28141700/endothelial-and-perivascular-adipose-tissue-abnormalities-in-obesity-related-vascular-dysfunction-novel-targets-for-treatment
#18
Francesca Schinzari, Manfredi Tesauro, Carmine Cardillo
The heavy impact of obesity on the development and progression of cardiovascular disease has sparked sustained efforts to uncover the mechanisms linking excess adiposity to vascular dysfunction. In addition to its well-established role in maintaining vascular homeostasis, the endothelium has been increasingly recognized as a key player in modulating healthy adipose tissue expansion in response to excess calories by providing adipocyte precursors and driving angiogenesis. When this increased storage need is unmet, excessive deposition of fat occurs at ectopic locations, including perivascular adipose tissue (PVAT)...
January 30, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28111084/prepregnancy-maternal-diabetes-combined-with-obesity-impairs-placental-mitochondrial-function-involving-nrf2-are-pathway-and-detrimentally-alters-metabolism-of-offspring
#19
Yang Duan, Fuqiang Sun, Shengshun Que, Yueqin Li, Suyan Yang, Geli Liu
Metabolic disorders usually increase the level of reactive oxygen species (ROS) and damage mitochondrial function. The placenta supplies nutrients and hormonal signals to the fetus for regulating fetal metabolism, and is also prone to injury by oxidants. The aim of this study was to determine the effect of pre-existing maternal type 2 diabetes mellitus (DM) combined with obesity on placental mitochondrial function and metabolism disorders of offspring. The study included 96 pregnant women. The women were put into the following groups: healthy women (control, n=24), women with DM (DM, n=24), women with obesity (OB, n=24) and women with both DM and obesity (DM+OB, n=24)...
January 19, 2017: Obesity Research & Clinical Practice
https://www.readbyqxmd.com/read/28070531/are-serum-levels-of-f2-isoprostane-and-oxidized-ldl-related-to-vitamin-d-status-in-type-2-diabetic-patients-a-case-control-study
#20
Javanbakht Mohammad Hassan, Mohammady Hamed, Fooladsaz Koorosh, Razzaghi Maryam, Zarei Mahnaz, Djalali Mahmoud
BACKGROUND: Considerable evidence suggests that oxidative stress affects diabetes mellitus (DM) and contributes to its complications. Vitamin D has been shown to possess antioxidant properties. The aim of this study was to determine the association between serum levels of calcifediol (25-OH-D), an indicator of vitamin D status, and lipid profiles with oxidative stress in patients with type 2 diabetes mellitus (T2DM). METHODS: In this case-control study, 57 T2DM patients with low vitamin D status (< 30 ng/mL) and 48 T2DM patients with normal vitamin D status (> 30 ng/mL) were enrolled...
October 2016: Reports of Biochemistry & Molecular Biology
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