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Hormone imbalance

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https://www.readbyqxmd.com/read/28226316/clinical-evidence-of-increase-in-hair-growth-and-decrease-in-hair-loss-without-adverse-reactions-promoted-by-the-commercial-lotion-ecohair%C3%A2
#1
María Rosario Alonso, Claudia Anesini
BACKGROUND/AIMS: Hair exerts protection, sensory functions, thermoregulation, and sexual attractiveness. Hair loss (alopecia) is caused by several diseases, drug intake, hormone imbalance, stress, and infections (Malassesia furfur). Drugs usually used in alopecia produce irreversible systemic and local side effects. An association of extracts of Coffea arabica and Larrea divaricata (ECOHAIR®) is successfully being commercialized in Argentina for hair growth. The aim of this study was to provide scientific support for the efficacy and innocuousness of ECOHAIR® in patients with noncicatricial alopecia during a 3-month treatment...
February 23, 2017: Skin Pharmacology and Physiology
https://www.readbyqxmd.com/read/28225481/the-dysfunction-of-inhibition-control-in-pituitary-patients-evidence-from-the-go-nogo-event-related-potential-study
#2
Chenglong Cao, Jian Song, Shun Yao, Yan Yan, Shun Li, Guibao Peng, Pan Ma, Hao Du, Cheng Huang, Huichao Ding, Yuanzhi He, Ronghui Sun, Guozheng Xu
Pituitary tumor is an intracranial tumor; because of the development of neuroimaging technology in recent years, morbidity is likely to increase. Evidence showed impaired cognitive ability of patients with pituitary adenoma. There is evidence that neurobehavioral disorders are common in pituitary adenoma patients. This disorder is because of the cognitive and emotional function of the important functional areas of the brain oppressed and hormone imbalance. Individuals' mental activity is controlled by the brain and the abnormal mental activity is caused by both the structural abnormalities of the brain and neurochemical dysfunction...
February 20, 2017: Neuroreport
https://www.readbyqxmd.com/read/28219987/a-unique-angiotensin-sensitive-neuronal-population-coordinates-neuroendocrine-cardiovascular-and-behavioral-responses-to-stress
#3
Annette D de Kloet, Lei Wang, Soledad Pitra, Helmut Hiller, Justin A Smith, Yalun Tan, Dani Nguyen, Karlena M Cahill, Colin Sumners, Javier E Stern, Eric G Krause
Stress elicits neuroendocrine, autonomic and behavioral responses that mitigate homeostatic imbalance and ensure survival; however, chronic engagement of such responses promotes psychological, cardiovascular and metabolic impairments. Over recent years, the renin-angiotensin system has emerged as a key mediator of stress responding and its related pathologies, but the neuronal circuits that orchestrate these interactions are not known. These studies combine the use of the Cre-recombinase/loxP system in mice with optogenetics to structurally and functionally characterize angiotensin type-1a receptor-containing neurons of the paraventricular nucleus of the hypothalamus, the goal being to determine the extent of their involvement in the regulation of stress responses...
February 20, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28193709/testosterone-represses-estrogen-signaling-by-upregulating-mir-22-a-mechanism-for-imbalanced-steroid-hormone-production-in-preeclampsia
#4
Xuan Shao, Yanlei Liu, Ming Liu, Yongqing Wang, Liying Yan, Hao Wang, Liyang Ma, Yu-Xia Li, Yangyu Zhao, Yan-Ling Wang
Preeclampsia, a multisystem syndrome occurring during mid- to late gestation in humans, is a leading cause of maternal and perinatal morbidity and mortality. Patients usually present with high circulating testosterone and reduced estradiol production, but the mechanisms remain unclear. Revealing the mechanism that modulating the imbalance of testosterone and estradiol in preeclampsia is of great value in understanding the cause of the disease. The placenta is the predominant source of steroid hormone production during gestation, and we observed markedly increased 17β-HSD3 (17β-hydroxysteroid dehydrogenase 3) levels and downregulated aromatase expression, the key enzymes responsible for synthesis of testosterone and estradiol, respectively, in preeclamptic placentas compared with controls...
February 13, 2017: Hypertension
https://www.readbyqxmd.com/read/28178857/dietary-2-oxoglutarate-prevents-bone-loss-caused-by-neonatal-treatment-with-maximal-dexamethasone-dose
#5
Piotr Dobrowolski, Ewa Tomaszewska, Siemowit Muszyński, Tomasz Blicharski, Stefan G Pierzynowski
Synthetic glucocorticoids (GCs) are widely used in the variety of dosages for treatment of premature infants with chronic lung disease, respiratory distress syndrome, allergies, asthma, and other inflammatory and autoimmune conditions. Yet, adverse effects such as glucocorticoid-induced osteoporosis and growth retardation are recognized. Conversely, 2-oxoglutarate (2-Ox), a precursor of glutamine, glutamate, and collagen amino acids, exerts protective effects on bone development. Our aim was to elucidate the effect of dietary administered 2-Ox on bone loss caused by neonatal treatment with clinically relevant maximal therapeutic dexamethasone (Dex) dose...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28164596/genetic-expression-in-cystic-fibrosis-related-bone-disease-an-observational-transversal-cross-sectional-study
#6
Ioana M Ciuca, Liviu L Pop, Alexandru F Rogobete, Dan I Onet, Bogdan Guta-Almajan, Zoran Popa, Florin G Horhat
BACKGROUND: Cystic fibrosis (CF) is the most frequent monogenic genetic disease with autosomal recessive transmission and characterized by important clinical polymorphism and significant lethal prospective. CF related bone disease occurs frequently in adults with CF. Childhood is the period of bone formation, and therefore, children are more susceptible to low bone density. Several factors like pancreatic insufficiency, hormone imbalance, and physical inactivity contribute to CF bone disease development...
September 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28145630/specific-photothermal-ablation-therapy-of-endometriosis-by-targeting-delivery-of-gold-nanospheres
#7
Xiaomeng Guo, Wei Li, Jialin Zhou, Wanqing Hou, Xue Wen, Hanbo Zhang, Fenfen Kong, Lihua Luo, Qingpo Li, Yongzhong Du, Jian You
Endometriosis is difficult to treat since the side effects of the current therapeutic method and the high recurrence rate; thus, newer and safer therapeutic approaches are urgently needed. This work investigates the enhanced permeability and retention effect of CdTe quantum dots (QDs) and hollow gold nanospheres (HAuNS) in endometriosis to increase the delivery of HAuNS into lesion cells. The surface of HAuNS is successfully conjugated with a TNYL peptide that has specific affinity for the EphB4 receptor, which is a member of the Eph family of receptor tyrosine kinases...
February 1, 2017: Small
https://www.readbyqxmd.com/read/28144278/altered-sympathovagal-balance-and-pain-hypersensitivity-in-tnbs-induced-colitis
#8
Katarzyna Ciesielczyk, Agata Furgała, Łukasz Dobrek, Kajetan Juszczak, Piotr Thor
INTRODUCTION: Pain hypersensitivity, abnormal motility and autonomic dysfunction contribute to functional symptoms of inflammatory bowel disease (IBD). MATERIAL AND METHODS: The aim of this study was to assess: nociceptive thresholds for mechanical allodynia (MA) and thermal hyperalgesia (TH), intestinal motility (distal colonic transit and emptying), and cardiac autonomic neuropathy (indices of heart rate variability - HRV) in male Wistar rats with experimental trinitrobenzene sulfonic acid (TNBS) induced colitis...
February 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28141701/mechanisms-of-uterine-artery-dysfunction-in-pregnancy-complications
#9
Jude S Morton, Alison S Care, Sandra T Davidge
Pregnancy is a unique condition and the vascular processes that are required for this undertaking are both complex and extensive. In this review, we discuss the vascular adaptations which occur in the maternal uterine arterial bed to maintain blood supply to the fetal-placental unit. In complicated pregnancies, inadequate remodeling of the uterine arteries, hormonal imbalances, and pre-existing conditions such as obesity, hypertension, diabetes etc. may lead to maladaptations of the uterine vasculature that includes increased vasoconstriction and endothelial dysfunction...
January 30, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28108058/serum-trace-elements-are-interrelated-with-hormonal-imbalance-in-men-with-acute-ischemic-stroke
#10
Anatoly V Skalny, Lydmila L Klimenko, Aliya A Turna, Maria N Budanova, Ivan S Baskakov, Marina S Savostina, Aksana N Mazilina, Anatoly I Deyev, Margarita G Skalnaya, Alexey A Tinkov
: The objective of the present study was to assess hormonal and trace element status in men suffering from acute ischemic stroke. METHODS: 21 acute ischemic stroke patients and 21 age- and body mass index-matched healthy volunteers were enrolled in the study. Serum trace elements were assessed using inductively coupled plasma mass spectrometry. Serum hormones and brain damage markers were estimated using enzyme-linked immunosorbent assay. RESULTS: Ischemic stroke patients are characterized by significantly higher levels of total and free triiodothyronine (T3), anti-thyroid peroxidase antibodies (Anti-TPO-Ab), prolactin, and cortisol, whereas the level of thyroid stimulating hormone (TSH) was decreased...
January 6, 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28099900/skeletal-muscle-aging-influence-of-oxidative-stress-and-physical-exercise
#11
REVIEW
Mariana Janini Gomes, Paula Felippe Martinez, Luana Urbano Pagan, Ricardo Luiz Damatto, Marcelo Diacardia Mariano Cezar, Aline Regina Ruiz Lima, Katashi Okoshi, Marina Politi Okoshi
Skeletal muscle abnormalities are responsible for significant disability in the elderly. Sarcopenia is the main alteration occurring during senescence and a key public health issue as it predicts frailty, poor quality of life, and mortality. Several factors such as reduced physical activity, hormonal changes, insulin resistance, genetic susceptibility, appetite loss, and nutritional deficiencies are involved in the physiopathology of muscle changes. Sarcopenia is characterized by structural, biochemical, molecular and functional muscle changes...
January 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28098892/metabolomics-study-on-primary-dysmenorrhea-patients-during-the-luteal-regression-stage-based-on-ultra-performance-liquid-chromatography-coupled-with-quadrupole%C3%A2-time%C3%A2-of%C3%A2-flight-mass-spectrometry
#12
Ling Fang, Caiyun Gu, Xinyu Liu, Jiabin Xie, Zhiguo Hou, Meng Tian, Jia Yin, Aizhu Li, Yubo Li
Primary dysmenorrhea (PD) is a common gynecological disorder which, while not life‑threatening, severely affects the quality of life of women. Most patients with PD suffer ovarian hormone imbalances caused by uterine contraction, which results in dysmenorrhea. PD patients may also suffer from increases in estrogen levels caused by increased levels of prostaglandin synthesis and release during luteal regression and early menstruation. Although PD pathogenesis has been previously reported on, these studies only examined the menstrual period and neglected the importance of the luteal regression stage...
January 13, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28089702/the-visible-burrow-system-a-view-from-across-the-hall
#13
REVIEW
James P Herman, Kellie L Tamashiro
The visible burrow system (VBS) is an ethologically relevant social stress model that creates a distinct dominance hierarchy in rats. Randall Sakai's laboratory performed an impressive series of studies documenting the very different impact of VBS exposure on the brain and behavior of dominants (DOM) and subordinates (SUBs). Hierarchy formation causes pronounced changes in metabolism in SUBs relative to both DOMs and unstressed controls, resulting in marked weight loss and metabolic imbalance. Stress testing revealed multiple phenotypes in the VBS, including DOMs, stress-responsive SUBs and stress-non-responsive SUBs...
January 12, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28089368/the-transition-from-pediatric-to-adult-care-for-youth-with-epilepsy-basic-biological-sociological-and-psychological-issues
#14
REVIEW
Peter Camfield, Carol Camfield, Kanetee Busiah, David Cohen, Alison Pack, Rima Nabbout
Transition from pediatric to adult health care for adolescents with epilepsy is challenging for the patient, family, and health care workers. This paper is the first of three that summarize the main findings from the 2nd Symposium on Transition in Epilepsies, held in Paris from June 14-25, 2016. In this paper we describe five basic themes that have an important effect on transition. First, there are important brain changes in adolescence that leave an imbalance between risk taking and pleasure seeking behaviors and frontal executive function compared with adults...
January 12, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28073356/gut-microbiota-disturbance-during-helminth-infection-can-it-affect-cognition-and-behaviour-of-children
#15
Vanina Guernier, Bradley Brennan, Laith Yakob, Gabriel Milinovich, Archie C A Clements, Ricardo J Soares Magalhaes
BACKGROUND: Bidirectional signalling between the brain and the gastrointestinal tract is regulated at neural, hormonal, and immunological levels. Recent studies have shown that helminth infections can alter the normal gut microbiota. Studies have also shown that the gut microbiota is instrumental in the normal development, maturation and function of the brain. The pathophysiological pathways by which helminth infections contribute to altered cognitive function remain poorly understood...
January 10, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28042237/gut-microbiome-surgical-complications-and-probiotics
#16
REVIEW
George Stavrou, Katerina Kotzampassi
The trigger for infectious complications in patients following major abdominal operations is classically attributed to endogenous enteral bacterial translocation, due to the critical condition of the gut. Today, extensive gut microbiome analysis has enabled us to understand that almost all "evidence-based" surgical or medical intervention (antibiotics, bowel preparation, opioids, deprivation of nutrition), in addition to stress-released hormones, could affect the relative abundance and diversity of the enteral microbiome, allowing harmful bacteria to proliferate in the place of depressed beneficial species...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28039596/optic-neuritis-secondary-to-antiandrogen-therapy
#17
REVIEW
Á Ní Mhéalóid, G Cunniffe
BACKGROUND: Optic neuropathy is a disorder characterised by dysfunction or destruction of the optic nerve tissues. Acquired causes include interruption in the blood supply, nutritional deficiency, compression by a tumour or aneurysm, trauma, and toxic types (Ambizas and Patel In US Pharm 36(4):HS2-HS6, 1). Drug-induced optic neuropathy is of the toxic type and can be defined as a clinical syndrome characterised by papillomacular bundle damage, central, or cecocentral scotoma, and reduced colour vision (Ambizas and Patel In US Pharm 36(4):HS2-HS6, 2011; Sharma and Sharma In Indian J Ophthalmol 59(2):137-141, 2)...
December 30, 2016: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/27999654/a-primer-on-the-use-of-mouse-models-for-identifying-direct-sex-chromosome-effects-that-cause-sex-differences-in-non-gonadal-tissues
#18
REVIEW
Paul S Burgoyne, Arthur P Arnold
In animals with heteromorphic sex chromosomes, all sex differences originate from the sex chromosomes, which are the only factors that are consistently different in male and female zygotes. In mammals, the imbalance in Y gene expression, specifically the presence vs. absence of Sry, initiates the differentiation of testes in males, setting up lifelong sex differences in the level of gonadal hormones, which in turn cause many sex differences in the phenotype of non-gonadal tissues. The inherent imbalance in the expression of X and Y genes, or in the epigenetic impact of X and Y chromosomes, also has the potential to contribute directly to the sexual differentiation of non-gonadal cells...
2016: Biology of Sex Differences
https://www.readbyqxmd.com/read/27993358/involvement-of-matrix-metalloproteinases-and-their-inhibitors-in-bovine-cystic-ovarian-disease
#19
M B Peralta, M E Baravalle, E M Belotti, A F Stassi, N R Salvetti, H H Ortega, F Rey, M M L Velázquez
The most important regulators of tissue remodelling during ovarian follicular growth, development, ovulation and atresia are gonadotropins, steroid hormones, growth factors and different proteolytic enzymes. Matrix metalloproteinases (MMPs) such as collagenase or gelatinase (i.e. MMP-1, -8, -2 and -9) and associated tissue inhibitors of metalloproteinases (TIMP-1, -2, -3 and -4) control connective tissue remodelling during follicular rupture. In this study, we hypothesized that an imbalance in the MMP-TIMP system may be an intra-ovarian component that contributes to the pathogenesis of cystic ovarian disease (COD) in cows...
December 16, 2016: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/27974911/the-etiopathogenesis-of-uterine-fibromatosis
#20
EDITORIAL
L Manta, N Suciu, O Toader, R M Purcărea, A Constantin, F Popa
Uterine fibroids or uterine leiomyomas are the most common benign tumors of the uterus among women of fertile age, while the etiology is still incompletely elucidated. The occurrence and development of the fibromatosis may be related to certain risk factors and genic mechanisms, although the exact causes are not yet fully known. The development of uterine fibroids is correlated not only with the metabolism and with the level of female sexual hormones, estrogen, and progesterone, but also with the number of these hormone receptors expressed on the surface of the myometrium...
January 2016: Journal of Medicine and Life
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