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hormones and bdnf

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https://www.readbyqxmd.com/read/28321979/effect-of-the-early-social-environment-on-behavioural-and-genomic-responses-to-a-social-challenge-in-a-cooperatively-breeding-vertebrate
#1
Cecilia Nyman, Stefan Fischer, Nadia Aubin-Horth, Barbara Taborsky
The early social environment can have substantial, lifelong effects on vertebrate social behaviour, which can be mediated by developmental plasticity of brain gene expression. Early life effects can influence immediate behavioural responses towards later-life social challenges and can activate different gene expression responses. However, while genomic responses to social challenges have been reported frequently, how developmental experience influences the shape of these genomic reaction norms remains largely unexplored...
March 21, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28281382/elevated-glycemia-and-brain-glucose-utilization-predict-bdnf-lowering-since-early-life
#2
Maria Angela Guzzardi, Elena Sanguinetti, Antonietta Bartoli, Alessandra Kemeny, Daniele Panetta, Piero A Salvadori, Silvia Burchielli, Patricia Iozzo
Obesity and diabetes associate with neurodegeneration. Brain glucose and BDNF are fundamental in perinatal development. BDNF is related to brain health, food intake and glucose metabolism. We characterized the relationship between glycemia and/or brain glucose utilization (by (18)FDG-PET during fasting and glucose loading), obesity and BDNF in 4-weeks old (pre-obese) and 12-weeks old (obese) Zucker fa/fa rats, and their age-matched fa/+ controls. In 75 human infants, we assessed cord blood BDNF and glucose levels, appetite regulating hormones, body weight and maternal factors...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28277119/brain-derived-neurotrophic-factor-bdnf-plasma-concentration-in-patients-diagnosed-with-premature-ovarian-insufficiency-poi
#3
Adam Czyzyk, Dorota Filipowicz, Agnieszka Podfigurna, Paula Ptas, Malgorzata Piestrzynska, Roman Smolarczyk, Andrea R Genazzani, Blazej Meczekalski
Premature ovarian insufficiency (POI) is defined as a cessation of function of ovaries in women younger than 40 years old. Brain-derived neurotrophic factor (BDNF) is a protein critically involved in neuronal growth and metabolism. BDNF also has been shown to be important regulator of oocyte maturation. Recent data show that BDNF can be potentially involved in POI pathology. The aim of the study was to assess the BDNF plasma concentrations in patients diagnosed with idiopathic POI. 23 women diagnosed with POI (age 31 ± 7 years) and 18 (age 31 ± 3) controls were included to the study, matched according to age and body mass index...
February 28, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28257759/blockade-of-trkb-receptors-in-the-nucleus-accumbens-prior-to-heterotypic-stress-alters-corticotropin-releasing-hormone-crh-vesicular-glutamate-transporter-2-vglut2-and-glucocorticoid-receptor-gr-within-the-mesolimbic-pathway
#4
Idu Azogu, Helene Plamondon
Inhibition of stress-induced elevations in brain-derived neurotrophic factor (BDNF) or its primary receptor tyrosine-related kinase B (TrkB) within the reward pathway may modulate vulnerability to anxiety and mood disorders. The current study examined the role of BDNF/TrkB signaling on biochemistry and behavior under basal conditions and following exposure to a 10-day heterotypic stress paradigm in male rats. Effects of intra-accumbal administration of TrkB antagonist ANA-12 (0.25μg/0.5μl/min) on anxiety, and expression of Trk-B, corticotropin-releasing hormone (CRH), vesicular glutamate transporter 2 (vGluT2) and glucocorticoid receptor (GR) within the mesolimbic pathway were determined...
March 14, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28249734/role-of-brain-derived-neurotrophic-factor-and-nerve-growth-factor-in-the-regulation-of-neuropeptide-w-in%C3%A2-vitro-and-in%C3%A2-vivo
#5
Rikang Wang, Fengxia Yan, Rifang Liao, Pei Wan, Peter J Little, Wenhua Zheng
Nerve growth factor (NGF) and Brain-derived neurotrophic factor (BDNF) are neurotrophic factors involved in the growth, survival and functioning of neurons. In addition, a possible role of neurotrophins, particularly BDNF, in HPA axis hyperactivation has recently been proposed. Neuropeptide W (NPW) is an endogenous peptide ligand for the GPR7 and GPR8 and a stress mediator in the hypothalamus. It activates the HPA axis by working on hypothalamic corticotrophin-releasing hormone (CRH). No information is available about the interrelationships between neurotrophines like NGF/BDNF and NPW...
February 27, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28246044/dna-methylation-and-expression-of-stress-related-genes-in-pbmc-of-mdd-patients-with-and-without-serious-suicidal-ideation
#6
Bhaskar Roy, Richard C Shelton, Yogesh Dwivedi
Stress plays an important role in major depressive disorder (MDD) and is one of the state dependent factors in suicidal behavior. A dysfunctional hypothalamic-pituitary-adrenal axis is a common feature in this disorder. The involvement of environmental factors has added additional complexity to understanding depression or suicidal behavior. In this regard, epigenetic regulation has been considered a mechanistic interface between environmental stress stimuli and altered functioning of underlying gene network that may increase susceptibility to depression or suicidal behavior...
February 16, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28237884/effects-of-crack-cocaine-addiction-and-stress-related-genes-on-peripheral-bdnf-levels
#7
Diego L Rovaris, Jaqueline B Schuch, Rodrigo Grassi-Oliveira, Breno Sanvicente-Vieira, Bruna S da Silva, Consuelo Walss-Bass, Diana Müller, Anderson R Stolf, Lisia von Diemen, Keila M M Ceresér, Thiago G Pianca, Claudia M Szobot, Felix H P Kessler, Tatiana Roman, Claiton H D Bau
This study examined the effects of glucocorticoid receptor (NR3C1), corticotropin-releasing hormone receptor 1 (CRHR1), and brain-derived neurotrophic factor (BDNF) genes on susceptibility to crack cocaine addiction and BDNF levels. Crack addicted patients who sought treatment (n = 280) and non-addicted individuals (n = 241) were assessed. Three SNPs in NR3C1 (rs6198, rs41423247, and rs10052957), three in CRHR1 (rs12944712, rs110402, and rs878886), and one in BDNF (rs6265) were genotyped. No significant effect was seen in the case-control analyses...
February 11, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28218971/growth-factors-and-hormones-pro-peptides-the-unexpected-adventures-of-the-bdnf-prodomain-pbdnf
#8
REVIEW
Juan Pablo Zanin, Nicolás Unsain, Agustin Anastasia
Most growth factors and hormones are synthesized as pre-pro-proteins which are processed to the biologically active mature protein. The pre- and prodomains are cleaved from the precursor protein in the secretory pathway or, in some cases, extracellularly. The canonical functions of these prodomains are to assist in folding and stabilization of the mature domain, to direct intra and extracellular localization, to facilitate storage, and to regulate bioavailability of their mature counterpart. Recently, exciting evidence has revealed that prodomains of certain growth factors, after cleaved from the precursor pro-protein, can act as independent active signaling molecules...
February 20, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28210212/differential-behavioral-and-neurobiological-effects-of-chronic-corticosterone-treatment-in-adolescent-and-adult-rats
#9
Jitao Li, Xiaomeng Xie, Youhong Li, Xiao Liu, Xuemei Liao, Yun-Ai Su, Tianmei Si
Adolescence is a critical period with ongoing maturational processes in stress-sensitive systems. While adolescent individuals show heightened stress-induced hormonal responses compared to adults, it is unclear whether and how the behavioral and neurobiological consequences of chronic stress would differ between the two age groups. Here we address this issue by examining the effects of chronic exposure to the stress hormone, corticosterone (CORT), in both adolescent and adult animals. Male Sprague-Dawley (SD) rats were injected intraperitoneally with CORT (40 mg/kg) or vehicle for 21 days during adolescence (post-natal day (PND) 29-49) or adulthood (PND 71-91) and then subjected to behavioral testing or sacrifice for western blot analyses...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28117839/the-genetic-overlap-between-mood-disorders-and-cardiometabolic-diseases-a-systematic-review-of-genome-wide-and-candidate-gene-studies
#10
REVIEW
A T Amare, K O Schubert, M Klingler-Hoffmann, S Cohen-Woods, B T Baune
Meta-analyses of genome-wide association studies (meta-GWASs) and candidate gene studies have identified genetic variants associated with cardiovascular diseases, metabolic diseases and mood disorders. Although previous efforts were successful for individual disease conditions (single disease), limited information exists on shared genetic risk between these disorders. This article presents a detailed review and analysis of cardiometabolic diseases risk (CMD-R) genes that are also associated with mood disorders...
January 24, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28112253/conserved-mir-10-family-represses-proliferation-and-induces-apoptosis-in-ovarian-granulosa-cells
#11
Tu Jiajie, Yang Yanzhou, Albert Cheung Hoi-Hung, Chen Zi-Jiang, Chan Wai-Yee
Granulosa cells (GCs) are essential somatic cells in the ovary and play an important role in folliculogenesis. Brain-derived neurotropic factor (BDNF) and the TGF-β pathway have been identified as a critical hormone and signalling pathway, respectively, in GCs. In this study, we found that a conserved microRNA family that includes miR-10a and miR-10b repressed proliferation and induced apoptosis in human, mouse, and rat GCs (hGCs, mGCs and rGCs, respectively). Moreover, essential hormones and growth factors in the follicle, such as FSH, FGF9 and some ligands in the TGF-β pathway (TGFβ1, Activin A, BMP4 and BMP15), inhibited miR-10a and miR-10b expression in GCs...
January 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28043897/natural-products-against-alzheimer-s-disease-pharmaco-therapeutics-and-biotechnological-interventions
#12
REVIEW
Abhijit Dey, Raktim Bhattacharya, Anuradha Mukherjee, Devendra Kumar Pandey
Alzheimer's disease (AD) is a severe, chronic and progressive neurodegenerative disease associated with memory and cognition impairment ultimately leading to death. It is the commonest reason of dementia in elderly populations mostly affecting beyond the age of 65. The pathogenesis is indicated by accumulation of the amyloid-beta (Aβ) plaques and neurofibrillary tangles (NFT) in brain tissues and hyperphosphorylation of tau protein in neurons. The main cause is considered to be the formation of reactive oxygen species (ROS) due to oxidative stress...
March 2017: Biotechnology Advances
https://www.readbyqxmd.com/read/27990249/sex-differences-in-sympathetic-innervation-and-browning-of-white-adipose-tissue-of-mice
#13
Sang-Nam Kim, Young-Suk Jung, Hyun-Jung Kwon, Je Kyung Seong, James G Granneman, Yun-Hee Lee
BACKGROUND: The higher prevalence of obesity-related metabolic disease in males suggests that female sex hormones provide protective mechanisms against the pathogenesis of metabolic syndrome. Because browning of white adipose tissue (WAT) is protective against obesity-related metabolic disease, we examined sex differences in β3-adrenergic remodeling of WAT in mice. METHODS: Effects of the β3-adrenergic receptor agonist CL316,243 (CL) on browning of white adipose tissue were investigated in male and female C57BL mice...
2016: Biology of Sex Differences
https://www.readbyqxmd.com/read/27914298/effects-of-environmental-noise-exposure-on-dna-methylation-in-the-brain-and-metabolic-health
#14
Liqiong Guo, Peng-Hui Li, Hua Li, Elena Colicino, Silvia Colicino, Yi Wen, Ruiping Zhang, Xiaotian Feng, Timothy M Barrow, Akin Cayir, Andrea A Baccarelli, Hyang-Min Byun
Environmental noise exposure is associated with adverse effects on human health including hearing loss, heart disease, and changes in stress-related hormone levels. Alteration in DNA methylation in response to environmental exposures is a well-known phenomenon and it is implicated in many human diseases. Understanding how environmental noise exposures affect DNA methylation patterns may help to elucidate the link between noise and adverse effects on health. In this pilot study we examined the effects of environmental noise exposure on DNA methylation of genes related to brain function and investigated whether these changes are related with metabolic health...
November 30, 2016: Environmental Research
https://www.readbyqxmd.com/read/27913104/d-ala2-gip-glu-pal-is-neuroprotective-in-a-chronic-parkinson-s-disease-mouse-model-and-increases-bndf-expression-while-reducing-neuroinflammation-and-lipid-peroxidation
#15
Yanwei Li, WeiZhen Liu, Lin Li, Christian Hölscher
Type 2 diabetes mellitus (T2DM) is a risk factor for Parkinson's disease (PD). Therefore, treatment to improve insulin resistance in T2DM may be useful for PD patients. Glucose dependent insulinotropic polypeptide (GIP) is a member of the incretin hormone family that can promote insulin release and improve insulin resistance. Several GIP analogues have been developed as potential treatments for T2DM. We had shown previously that D-Ala2-GIP-glu-PAL, a novel long-acting GIP analogue, can play a neuroprotective role in the PD mouse model induced by acute MPTP injection...
November 29, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27886020/cranial-electrotherapy-stimulation-affects-mood-state-but-not-levels-of-peripheral-neurotrophic-factors-or-hypothalamic-pituitary-adrenal-axis-regulation
#16
Hee-Tae Roh, Wi-Young So
Cranial electrotherapy stimulation (CES) is reported to aid in relieving symptoms of depression and anxiety, though the mechanism underlying this effect remains unclear. Therefore, the present study aimed to evaluate changes in the hypothalamic-pituitary-adrenal (HPA) axis response and levels of neurotrophic factors, as well as changes in mood state, in patients undergoing CES therapy. Fifty healthy postmenopausal women were randomly assigned to either a Sham CES group (n = 25) or an Active CES group (n = 25)...
November 18, 2016: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/27870444/sex-differences-and-estrogen-regulation-of-bdnf-gene-expression-but-not-propeptide-content-in-the-developing-hippocampus
#17
Katherine E Kight, Margaret M McCarthy
Sex differences in adult brain function are frequently determined developmentally through the actions of steroid hormones during sensitive periods of prenatal and early postnatal life. In rodents, various cellular end points of the developing brain are affected by estradiol that is derived from the aromatization of circulating testosterone and/or synthesized within the brain. We have previously described a sex difference in neurogenesis in the hippocampus of neonatal rats that is modulated by estradiol. In this report, we examined a potential downstream regulator of the effects of estradiol on hippocampal cell proliferation by measuring gene expression of brain-derived neurotrophin (BDNF) in male and female neonatal rats in response to estradiol...
January 2, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27870419/sex-differences-in-brain-derived-neurotrophic-factor-signaling-and-functions
#18
REVIEW
Chi Bun Chan, Keqiang Ye
Brain-derived neurotrophic factor (BDNF) is a member of the neurotrophin family that plays a critical role in numerous neuronal activities. Recent studies have indicated that some functions or action mechanisms of BDNF vary in a sex-dependent manner. In particular, BDNF content in some brain parts and the tendency to develop BDNF deficiency-related diseases such as depression are greater in female animals. With the support of relevant studies, it has been suggested that sex hormones or steroids can modulate the activities of BDNF, which may account for its functional discrepancy in different sexes...
January 2, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27870405/sex-differences-in-brain-derived-neurotrophic-factor-signaling-functions-and-implications
#19
REVIEW
Yi-Chao Wei, Shao-Ran Wang, Xiao-Hong Xu
Brain-derived neurotrophic factor (BDNF) regulates diverse processes such as neuronal survival, differentiation, and plasticity. Accumulating evidence suggests that molecular events that direct sexual differentiation of the brain interact with BDNF signaling pathways. This Mini-Review first examines potential hormonal and epigenetic mechanisms through which sex influences BDNF signaling. We then examine how sex-specific regulation of BDNF signaling supports the development and function of sexually dimorphic neural circuits that underlie male-specific genital reflexes in rats and song production in birds...
January 2, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27789212/multi-modal-exercise-training-and-protein-pacing-enhances-physical-performance-adaptations-independent-of-growth-hormone-and-bdnf-but-may-be-dependent-on-igf-1-in-exercise-trained-men
#20
Stephen J Ives, Chelsea Norton, Vincent Miller, Olivia Minicucci, Jake Robinson, Gabe O'Brien, Daniela Escudero, Maia Paul, Caitlin Sheridan, Kathryn Curran, Kayla Rose, Nathaniel Robinson, Feng He, Paul J Arciero
OBJECTIVE: Protein-pacing (P; 5-6meals/day @ 2.0g/kgBW/day) and multi-mode exercise (RISE; resistance, interval, stretching, endurance) training (PRISE) improves muscular endurance, strength, power and arterial health in exercise-trained women. The current study extends these findings by examining PRISE on fitness, growth hormone (GH), insulin-like growth factor-1 (IGF-1), and brain-derived neurotrophic factor (BDNF) response, cardiometabolic health, and body composition in exercise-trained men...
October 15, 2016: Growth Hormone & IGF Research
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