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https://www.readbyqxmd.com/read/28228069/recent-advances-in-the-gastric-mucosal-protection-against-stress-induced-gastric-lesions-importance-of-renin-angiotensin-vasoactive-metabolites-gaseous-mediators-and-appetite-peptides
#1
Tomasz Brzozowski, Katarzyna Magierowska, Marcin Magierowski, Agata Ptak-Belowska, Robert Pajdo, Slawomir Kwiecien, Rafal Olszanecki, Ryszard Korbut
Stress is known to cause severe adverse effects in the human gastrointestinal tract including mucosal microbleedings and erosions or even gastric ulceration but the mechanism of these complications has not been fully elucidated. The pathogenesis of stress-induced gastric damage involves the fall in gastric blood flow (GBF), an increase in gastric acid secretion and gastric motility, enhanced adrenergic and cholinergic nerve activity and the rise in gastric mucosal generation of reactive oxygen species. The gastric mucosal defense mechanisms against the deleterious effect of stress include the activation of the hypothalamic-pituitary-adrenal axis which has been linked with glucocorticoids release capable of counteracting of stress-induced gastric lesions...
February 20, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28211103/impaired-learning-and-memory-in-rats-induced-by-a-high-fat-diet-involvement-with-the-imbalance-of-nesfatin-1-abundance-and-copine-6-expression
#2
Zheng Chen, Ya-Yun Xu, Rui Wu, Yin-Xiu Han, Yue Yu, Jin-Fang Ge, Fei-Hu Chen
Non-alcoholic fatty liver disease (NAFLD) is the most common cause of chronic liver disease, resulting not only in liver dysfunction, glucose and lipid metabolism disorder, but also in neuropsychiatric damage. In the present study, a NAFLD rat model was established via feeding of a high-fat diet, and the behavior was observed via the open field test (OFT), the sucrose preference test (SPT), the elevated plus maze (EPM), the forced swimming test (FST), and the Morris water maze (MWM). The plasma concentrations of alanine aminotransferase (ALT), glucose, free fatty acid (FFA), total cholesterol (TC), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C), and low-density lipoprotein cholesterol (LDL-C) were detected using chemiluminescence technique...
February 17, 2017: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/28138998/current-and-prospective-sights-in-mechanism-of-deoxynivalenol-induced-emesis-for-future-scientific-study-and-clinical-treatment
#3
REVIEW
Liangkai Chen, Zhao Peng, Andreas K Nüssler, Liegang Liu, Wei Yang
Deoxynivalenol (DON), one of trichothecene mycotoxins produced by the fungus Fusarium, is commonly detected in cereal foods and in secondary food production across the world. Lower concentrations of DON induce a dose-related feed refusal (anorexia), whereas it acts as a potent emetic agent at higher levels. DON-induced emesis in humans and livestock can be observed and recorded in both undeveloped and developed regions such as Lixian, Guide and Huangzhong in China and Illinois in the USA. Some studies with different animal models (pigs and minks) suggested that DON could change expressions of 5-hydroxytryptamine, peptide YY, neuropeptide Y2 receptor and nucleobindin-2/nesfatin-1 in plasma and different areas of the brain...
January 31, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28137218/metabolic-and-cardiovascular-actions-of-nesfatin-1-implications-in-health-and-disease
#4
Naresh Ramesh, Kavishankar Gawli, Venkatakiran Pasupulleti, Suraj Unniappan
BACKGROUND: Metabolic homeostasis is achieved by proper functioning of a complex endocrine milieu, comprising of signals arising from the brain and peripheral tissues. Our knowledge of the factors regulating such balance is rapidly evolving, as new signaling molecules are characterized. Of central interest is nesfatin-1, owing to its multifunctional tissue specific actions regulating food intake, body weight, blood glucose and cardiac functions. METHOD: This review discusses the tissue/system wide distribution and actions of nesfatin-1 in regulating metabolic and cardiovascular functions in healthy conditions and diseases...
January 30, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28106099/nesfatin-1-protects-dopaminergic-neurons-against-mpp-mptp-induced-neurotoxicity-through-the-c-raf-erk1-2-dependent-anti-apoptotic-pathway
#5
Xiao-Li Shen, Ning Song, Xi-Xun Du, Yong Li, Jun-Xia Xie, Hong Jiang
Several brain-gut peptides have been reported to have a close relationship with the central dopaminergic system; one such brain-gut peptide is nesfatin-1. Nesfatin-1 is a satiety peptide that is predominantly secreted by X/A-like endocrine cells in the gastric glands, where ghrelin is also secreted. We previously reported that ghrelin exerted neuroprotective effects on nigral dopaminergic neurons, which implied a role for ghrelin in Parkinson's disease (PD). In the present study, we aim to clarify whether nesfatin-1 has similar effects on dopaminergic neurons both in vivo and in vitro...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28096522/control-of-food-intake-by-gastrointestinal-peptides-mechanisms-of-action-and-possible-modulation-in-the-treatment-of-obesity
#6
REVIEW
Philip Prinz, Andreas Stengel
This review focuses on the control of appetite by food intake-regulatory peptides secreted from the gastrointestinal tract, namely cholecystokinin, glucagon-like peptide 1, peptide YY, ghrelin, and the recently discovered nesfatin-1 via the gut-brain axis. Additionally, we describe the impact of external factors such as intake of different nutrients or stress on the secretion of gastrointestinal peptides. Finally, we highlight possible conservative-physical activity and pharmacotherapy-treatment strategies for obesity as well as surgical techniques such as deep brain stimulation and bariatric surgery also altering these peptidergic pathways...
January 17, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28089858/glucose-amino-acids-and-fatty-acids-directly-regulate-ghrelin-and-nucb2-nesfatin-1-in-the-intestine-and-hepatopancreas-of-goldfish-carassius-auratus-in-vitro
#7
Juan Ignacio Bertucci, Ayelén Melisa Blanco, Luis Fabián Canosa, Suraj Unniappan
Ghrelin and nesfatin-1 are two peptidyl hormones primarily involved in food intake regulation. We previously reported that the amount of dietary carbohydrates, protein and lipids modulates the expression of these peptides in goldfish in vivo. In the present work, we aimed to characterize the effects of single nutrients on ghrelin and nesfatin-1 in the intestine and hepatopancreas. First, immunolocalization of ghrelin and NUCB2/nesfatin-1 in goldfish hepatopancreas cells was studied by immunohistochemistry. Second, the effects of 2 and 4hour-long exposures of cultured intestine and hepatopancreas sections to glucose, l-tryptophan, oleic acid, linolenic acid (LNA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) on ghrelin and nesfatin-1 gene and protein expression were studied...
January 13, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28087413/nesfatin-1-modulates-murine-gastric-vagal-afferent-mechanosensitivity-in-a-nutritional-state-dependent-manner
#8
Stephen J Kentish, Hui Li, Claudine L Frisby, Amanda J Page
Food intake is regulated by vagal afferent signals from the stomach. Nesfatin-1 is an anorexigenic peptide produced within the gastrointestinal tract and has well defined central effects. We aimed to determine if nesfatin-1 can modulate gastric vagal afferent signals in the periphery and further whether this is altered in different nutritional states. Female C57BL/6J mice were fed either a standard laboratory diet (SLD) or a high fat diet (HFD) for 12 weeks or fasted overnight. Plasma nucleobindin-2 (NUCB2; nesfatin-1 precursor)/nesfatin-1 levels were assayed, the expression of NUCB2 in the gastric mucosa and adipose tissue was assessed using real-time quantitative reverse-transcription polymerase chain reaction...
March 2017: Peptides
https://www.readbyqxmd.com/read/28079928/relation-of-serum-and-vitreous-nesfatin-1-concentrations-with-diabetic-retinopathy
#9
Rongfeng Dai, Guohua Deng, Zhuo Sun, Zhinan Liu, Yu Qian, Yan Han
OBJECTIVE: Nesfatin-1, belonging to adipokine family, serves as an anti-inflammatory mediator. We performed this investigation to evaluate the relation between serum and vitreous nesfatin-1 concentrations with diabetic retinopathy (DR). METHODS: This study was performed in a population of 189 diabetic patients and 48 control subjects. Diabetic patients were then divided into diabetic patients without DR, non-proliferative diabetic retinopathy (NPDR) patients, and proliferative diabetic retinopathy (PDR) patients...
January 12, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28038936/association-of-peripheral-nesfatin-1-with-early-stage-diabetic-nephropathy
#10
Amin Irannejad, Alireza Ghajar, Mohsen Afarideh, Elias Khajeh, Sina Noshad, Sadaf Esteghamati, Khashayar Afshari, Farima Kahe, Morsaleh Ganji, Mohammad Saadat, Manouchehr Nakhjavani, Alireza Esteghamati
BACKGROUND: Nesfatin-1 is a newly found anorectic neuropeptide with potent metabolic regulatory effects that its circulating levels are shown to be elevated in diabetes. We compared serum nesfatin-1 in patients with type 2 diabetes and microalbuminuria (30mg/day≤urinary albumin excretion (UAE) <300mg/day) with their control patients with type 2 diabetes and normoalbuminuria (UAE <30mg/day). PATIENTS AND METHODS: In a cross sectional setting, 44 adult patients with type 2 diabetes and microalbuminuria and 44 control patients with type 2 diabetes and normoalbuminuria were evaluated...
December 13, 2016: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/27982684/nesfatin-1-influences-the-excitability-of-gastric-distension-responsive-neurons-in-the-ventromedial-hypothalamic-nucleus-of-rats
#11
Hongzhen Feng, Qiaoling Wang, Feifei Guo, Xiaohua Han, Mingjie Pang, Xiangrong Sun, Yanling Gong, Luo Xu
The present study investigated the effects of nesfatin-1 on gastric distension (GD)- responsive neurons via an interaction with corticotropin-releasing factor (CRF) receptor signaling in the ventromedial hypothalamic nucleus (VMH), and the potential regulation of these effects by hippocampal projections to VMH. Extracellular single-unit discharges were recorded in VHM following administration of nesfatin-1. The projection of nerve fibers and expression of nesfatin-1 were assessed by retrograde tracing and fluoro-immunohistochemical staining, respectively...
December 16, 2016: Physiological Research
https://www.readbyqxmd.com/read/27852303/the-effects-of-nigella-sativa-on-thyroid-function-serum-vascular-endothelial-growth-factor-vegf-1-nesfatin-1-and-anthropometric-features-in-patients-with-hashimoto-s-thyroiditis-a-randomized-controlled-trial
#12
RANDOMIZED CONTROLLED TRIAL
Mahdieh Abbasalizad Farhangi, Parvin Dehghan, Siroos Tajmiri, Mehran Mesgari Abbasi
BACKGROUND: Hashimoto's thyroiditis is an autoimmune disorder and the most common cause of hypothyroidism. The use of Nigella sativa, a potent herbal medicine, continues to increase worldwide as an alternative treatment of several chronic diseases including hyperlipidemia, hypertension and type 2 diabetes mellitus (T2DM). The aim of the current study was to evaluate the effects of Nigella sativa on thyroid function, serum Vascular Endothelial Growth Factor (VEGF) - 1, Nesfatin-1 and anthropometric features in patients with Hashimoto's thyroiditis...
November 16, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27824141/nesfatin-1-promotes-brown-adipocyte-phenotype
#13
Yuexin Wang, Ziru Li, Xinyu Zhang, Xinxin Xiang, Yin Li, Michael W Mulholland, Weizhen Zhang
Nesfatin-1, an 82 amino acid gastric peptide, is involved in regulation of food uptake and in multiple metabolic activities. Whether nesfatin-1 modulates the differentiation and lipid metabolism of brown adipocytes remains unknown. In the present study, we found that nesfatin-1 mRNA and protein were detectable in isolated brown adipocytes and gradually decreased during differentiation (95% CI 0.6057 to 1.034, p = 0.0001). The decrease in nesfatin-1 was associated with a significant reduction in p-S6. Exposure to nesfatin-1 promoted differentiation of brown adipocytes as revealed by a significant increase in UCP1 mRNA (p = 0...
November 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27754932/nesfatin-1-functions-and-physiology-of-a-novel-regulatory-peptide
#14
Riccardo Dore, Luka Levata, Hendrik Lehnert, Carla Schulz
Nesfatin-1 was identified in 2006 as a potent anorexigenic peptide involved in the regulation of homeostatic feeding. It is processed from the precursor-peptide NEFA/nucleobindin 2 (NUCB2) which is expressed both in the central nervous system as well as in the periphery, from where it can access the brain via non-saturable transmembrane diffusion. In hypothalamus and brainstem, nesfatin-1 recruits the oxytocin-, the melancortin- and other systems to relay its anorexigenic properties. NUCB2/nesfatin-1 peptide expression in reward-related areas suggests that nesfatin-1 might also be involved in hedonic feeding...
October 17, 2016: Journal of Endocrinology
https://www.readbyqxmd.com/read/27681383/association-between-nesfatin-1-levels-and-metabolic-improvements-in-severely-obese-patients-who-underwent-biliopancreatic-derivation-with-duodenal-switch
#15
REVIEW
David H St-Pierre, Julie Martin, Hiroyuki Shimizu, Yuko Tagaya, Takahumi Tsuchiya, Simon Marceau, Laurent Biertho, Marjorie Bastien, Sarah-Maude Caron-Cantin, Serge Simard, Denis Richard, Katherine Cianflone, Paul Poirier
CONTEXT: Nesfatin-1 is a neuroendocrine peptide with potent anorexigenic activity in rodents. The potential role of nesfatin-1 on the regulation of energy balance, metabolic functions and inflammation is currently debated in obese humans. In the present study, nesfatin-1 fluctuations and their associations with metabolic factors were investigated in severely obese patients who underwent biliopancreatic diversion with duodenal switch (BPD/DS) and severely obese controls (SOC). BASIC PROCEDURES: Sixty severely obese patients who underwent BPD/DS and 15 SOC (matched for BMI and age) were included in the study...
December 2016: Peptides
https://www.readbyqxmd.com/read/27599613/role-of-nesfatin-1-in-the-reproductive-axis-of-male-rat
#16
Xiaoxiao Gao, Kaifa Zhang, Min Song, Xiumei Li, Lei Luo, Yuan Tian, Yunhai Zhang, Yunsheng Li, Xiaorong Zhang, Yinghui Ling, Fugui Fang, Ya Liu
Nesfatin-1 is an important molecule in the regulation of reproduction. However, its role in the reproductive axis in male animals remains to be understood. Here, we found that nesfatin-1 was mainly distributed in the arcuate nucleus (ARC), paraventricular nucleus (PVN), periventricular nucleus (PeN), and lateral hypothalamic area (LHA) of the hypothalamus; adenohypophysis and Leydig cells in male rats. Moreover, the concentrations of serum nesfatin-1 and its mRNA in hypothalamo-pituitary-gonadal axis (HPGA) vary with the age of the male rat...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27589697/expression-and-regulation-of-peripheral-nucb2-nesfatin-1
#17
REVIEW
Philip Prinz, Andreas Stengel
Nesfatin-1, an 82 amino acid peptide was discovered in 2006 in the rat hypothalamus and described as a centrally acting anorexigenic peptide. Besides its central expression and actions, NUCB2/nesfatin-1 has been subsequently described to be predominantly expressed in the periphery and to exert several peripheral effects. The current review focuses on the expression sites of NUCB2/nesfatin-1 in peripheral tissues of different species and its regulation by nutrition, body weight and various other parameters such as fetal development and sex...
December 2016: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/27589696/nesfatin-1-current-status-as-a-peripheral-hormone-and-future-prospects
#18
REVIEW
Philip Prinz, Andreas Stengel
This review summarizes current data focusing on the peripheral effects of NUCB2/nesfatin-1 including the regulation of food intake, glucose homeostasis, lipid metabolism, cardiovascular effects and reproductive functions as well as its possible involvement in psychological disorders. Additionally, we will highlight gaps in knowledge in order to stimulate further research. Lastly, we will give an outlook on potential therapeutic implications of this pleiotropic peptide.
December 2016: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/27539099/serum-nesfatin-1-levels-in-patients-with-different-glucose-tolerance-levels
#19
S Algul, Y Ozkan, O Ozcelik
The aim of this study was to compare the levels of nesfatin-1 in healthy subjects with those in prediabetic and diabetic patients who have different glucose tolerance levels. Overall, 100 subjects were divided into 5 groups healthy control (C), impaired fasting glycemia (IFG), impaired glucose tolerance (IGT), metabolic syndrome (MS) and type 2 diabetes mellitus, (Type 2 DM). Glycated hemoglobin (HbA1c) assessed the glycemic control. Homeostasis model assessment of insulin resistance (HOMA-IR) was determined using computer analyses...
December 13, 2016: Physiological Research
https://www.readbyqxmd.com/read/27525002/comparison-of-the-effects-of-glutamine-curcumin-and-nesfatin-1-on-the-gastric-serosal-surface-neomucosa-formation-an-experimental-rodent-model
#20
Osman Bilgin Gulcicek, Ali Solmaz, Hakan Yiğitbaş, Candas Ercetin, Erkan Yavuz, Kamil Ozdogan, Sinan Arici, Asli Kahraman Akkalp, Tulin Sarac, Fatih Çelebi, Atilla Celik
Introduction. Short bowel syndrome can crop up if more than 50% of small intestine is resected or when less than 100 cm of small bowel is left. Glutamine is the main food source of enterocytes. Curcumin has protective effects on intestinal ischemia-reperfusion damage. Nesfatin-1 is a satiety molecule. It has protective effects on gastric mucosa. The primary purpose of this study is to compare effects of glutamine, curcumin, and nesfatin-1 on the gastric serosal surface neomucosa formation on rats. Materials and Methods...
2016: Gastroenterology Research and Practice
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