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https://www.readbyqxmd.com/read/28237884/effects-of-crack-cocaine-addiction-and-stress-related-genes-on-peripheral-bdnf-levels
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
https://www.readbyqxmd.com/read/27785749/revealing-the-neuroendocrine-response-after-remoxipride-treatment-using-multi-biomarker-discovery-and-quantifying-it-by-pk-pd-modeling
#15
Willem J van den Brink, Yin C Wong, Berfin Gülave, Piet H van der Graaf, Elizatbeth C M de Lange
To reveal unknown and potentially important mechanisms of drug action, multi-biomarker discovery approaches are increasingly used. Time-course relationships between drug action and multi-biomarker profiles, however, are typically missing, while such relationships will provide increased insight in the underlying body processes. The aim of this study was to investigate the effect of the dopamine D2 antagonist remoxipride on the neuroendocrine system. Different doses of remoxipride (0, 0.7, 5.2, or 14 mg/kg) were administered to rats by intravenous infusion...
January 2017: AAPS Journal
https://www.readbyqxmd.com/read/27742460/behavioural-and-neurochemical-consequences-of-chronic-gut-microbiota-depletion-during-adulthood-in-the-rat
#16
A E Hoban, R D Moloney, A V Golubeva, K A McVey Neufeld, O O'Sullivan, E Patterson, C Stanton, T G Dinan, G Clarke, J F Cryan
Gut microbiota colonization is a key event for host physiology that occurs early in life. Disruption of this process leads to altered brain development which ultimately manifests as changes in brain function and behaviour in adulthood. Studies using germ-free (GF) mice highlight the extreme impact on brain health that results from life without commensal microbes. However, the impact of microbiota disturbances occurring in adulthood is less studied. To this end, we depleted the gut microbiota of 10-week-old male SpragueDawley rats via chronic antibiotic treatment...
December 17, 2016: Neuroscience
https://www.readbyqxmd.com/read/27660699/sex-related-factors-influence-expression-of-mood-related-genes-in-the-basolateral-amygdala-differentially-depending-on-age-and-stress-exposure
#17
Rachel Puralewski, Georgia Vasilakis, Marianne L Seney
BACKGROUND: Women are twice as likely to be diagnosed with major depressive disorder (MDD) compared to men, but the molecular mechanisms underlying this sex difference are unclear. Previous studies in the human postmortem brain suggest dysfunction in basolateral amygdala (BLA) inhibitory gamma-aminobutyric acid (GABA) signaling and brain-derived neurotrophic factor (BDNF) function, specifically in females with MDD. METHODS: We investigated the effects of sex chromosome complement, developmental gonadal sex, and circulating testosterone on expression of 3 GABA-related and 2 BDNF-related genes in the BLA using three cohorts of four core genotypes (FCG) mice...
2016: Biology of Sex Differences
https://www.readbyqxmd.com/read/27560704/sleep-extension-increases-igf-i-concentrations-before-and-during-sleep-deprivation-in-healthy-young-men
#18
RANDOMIZED CONTROLLED TRIAL
Mounir Chennaoui, Pierrick J Arnal, Catherine Drogou, Fabien Sauvet, Danielle Gomez-Merino
Sleep deprivation is known to suppress circulating trophic factors such as insulin-like growth factor (IGF)-I and brain-derived neurotrophic factor (BDNF). This experiment examined the effect of an intervention involving 6 nights of extended sleep before total sleep deprivation on this catabolic profile. In a randomized crossover design, 14 young men (age range: 26-37 years) were either in an extended (EXT; time in bed: 2100-0700 h) or habitual (HAB: 2230-0700 h) sleep condition, followed by 3 days in the laboratory with blood sampling at baseline (B), after 24 h of sleep deprivation (24h-SD), and after 1 night of recovery sleep (R)...
September 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/27506204/neuroprotective-neurotrophic-and-anti-oxidative-role-of-bacopa-monnieri-on-cus-induced-model-of-depression-in-rat
#19
Sourav Kumar, Amal Chandra Mondal
Major depression is a life threatening neuropsychiatric disorder that produces mental illness and major cause of morbidity. The present study was conducted to evaluate the neuroprotective, neurotrophic and antioxidant potential of Bacopa monnieri extract (BME) on chronic unpredictable stress (CUS) induced behavioral depression in rats. Behavioral tests were carried out for investigation of antidepressant like effects of BME, and potential mechanism was assessed by determining neurotrophin level and hippocampal neurogenesis...
November 2016: Neurochemical Research
https://www.readbyqxmd.com/read/27497606/ethanol-induced-changes-in-poly-adp-ribose-polymerase-and-neuronal-developmental-gene-expression
#20
David P Gavin, Handojo Kusumo, Rajiv P Sharma, Marina Guizzetti
Prenatal alcohol exposure has profound effects on neuronal growth and development. Poly-ADP Ribose Polymerase (PARP) enzymes are perhaps unique in the field of epigenetics in that they directly participate in histone modifications, transcription factor modifications, DNA methylation/demethylation and are highly inducible by ethanol. It was our hypothesis that ethanol would induce PARP enzymatic activity leading to alterations in neurodevelopmental gene expression. Mouse E18 cortical neurons were treated with ethanol, PARP inhibitors, and nuclear hormone receptor transcription factor PPARγ agonists and antagonists...
November 2016: Neuropharmacology
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