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Query: UMLS:C0948265 (metabolic syndrome)
 24,271 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

An increasing number of researchers of the metabolic syndrome assume that many mechanisms are involved in its complex pathophysiology such as an increased sympathetic activity, disorders of the hypothalamo-pituitary-adrenal axis, the action of chronic subclinical infections, proinflammatory cytokines, and the effect of adipocytokines or psychoemotional stress. An increasing body of scientific research in this field confirms the role of the neurotrophins and mastocytes in the pathogenesis of inflammatory and immune diseases. Recently it has been proved that neurotrophins and mastocytes have metabotrophic effects and take part in the carbohydrate and lipid metabolism. In the early stage of the metabolic syndrome we established a statistically significant increase in the plasma levels of the nerve growth factor. In the generalized stage the plasma levels of the neutrophines were statistically decreased in comparison to those in the healthy controls. We consider that the neurotrophin deficit is likely to play a significant pathogenic role in the development of the metabolic anthropometric and vascular manifestations of the generalized stage of MetSyn. We suggest a hypothesis for the etiopathogenesis of the metabolic syndrome based on the neuro-immuno-endocrine interactions. The specific pathogenic pathways of MetSyn development include: (1) increased tissue and plasma levels of proinflammatory cytokines Interleukin-1(IL-1), Interleukin-6 (IL-6 ) and tumor necrosis factor - alpha (TNF-alpha) caused by inflammatory and/or emotional distress; (2) increased plasma levels of neurotrophin - nerve growth factor (NGF) caused by the high IL-1, IL-6 and TNFalpha levels; (3) high plasma levels of NGF which enhance activation of: the autonomous nerve system--vegetodystonia (disbalance of neurotransmitters); Neuropeptide Y (NPY)--enhanced feeding, obesity and increased leptin plasma levels; hypothalamo-pituitary-adrenal axis--increased corticotropin-releasing hormone (CRH) and cortisol (hormonal disbalance); immune cells--increased number and degranulation of mastocytes (MC)--immunological disbalance; (4) as a result of 1-3 insulin resistance is exhibited leading to diabetes mellitus. The hypothesis is confirmed by results obtained after 6-month nonsteroid anti-inflammatory treatment of patients with MetSyn. These results are reported in a separate publication.
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PMID:Metabolic syndrome--neurotrophic hypothesis. 1654 15

The body's ability to keep a steady homeostatic state is crucial to health and life. This involves providing an adequate response to a variety of challenges both physical and mental, such as microbial invasion and emotional distress. Interplay between the neuroendocrine and immune systems is essential in either case. Studies have demonstrated that toll-like receptors, or TLRs, play a regulatory role in both systems, and have been proposed as a possible link between the immune, hormonal and metabolic systems. As part of the innate immune system, these receptors control the identification by the body of microbial invaders and its immediate reaction in immune and inflammatory response. What are referred to as pattern recognition receptors are mostly expressed by cells involved in hematopoietic linkage, but an increasing number of studies have demonstrated their expression in other cell types such as neurons and endocrine cells on the hypothalamic-pituitary-adrenal (HPA) axis, thyrocytes, adipocytes and islets of Langerhans. Together with endocrine and metabolic dysregulation, immune system overreaction is often associated with infection and autoimmunity, clearly indicating TLR involvement at organ level which affects organ function. Several diseases such as autoimmune thyroid and pancreatic diseases, septic dysregulation of the HPA axis, diabetes and the metabolic syndrome have been linked to TLR activation and polymorphism. To gain insight into stress response and adaptation, we need to know more about TLRs and the specific physiological role they play in the endocrine and metabolic system and its processes.
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PMID:Toll-like receptors in endocrine disease and diabetes. 1866

Polycystic ovary syndrome (POS) is one of the most common endocrine abnormalities affecting women of reproductive age. It is a cause of significant social embarrassment and emotional distress. The pathogenesis of the disease is not yet fully understood, but it is thought to be a complex multigenic disorder, including abnormalities in the hypothalamic-pituitary axis, steroidogenesis, and insulin resistance. The main diagnostic findings of the syndrome are: hyperandrogenism, chronic anovulation and polycystic ovarian morphology seen on ultrasound. Hyperandrogenism is generally manifested as hirsutism, acne, seborrhea, androgenic alopecia and, in severe cases, signs of virilization. Treatment may improve the clinical manifestations of excess androgen production, normalize menses and ameliorate metabolic syndrome and cardiovascular complications. This article reviews the diagnosis, clinical manifestations, metabolic complications, and treatment of the syndrome. Early diagnosis and the consequent early treatment may prevent metabolic complications and emotional distress that negatively impact the patients' quality of life.
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PMID:Polycystic ovary syndrome: a dermatologic approach. 2143 31

Hirsutism is defined as excessive terminal hair growth in a male pattern in females. It typically affects 5 to 10% of reproductive-age women. Excessive hair growth can often cause significant psychological and emotional distress. As a result, hirsutism is a common presenting complaint to healthcare professionals, including dermatologists, as women search for cosmetic and medical solutions to their problem. Hirsutism results from excess production of androgens, often from ovarian or adrenal sources. It is typically associated with a metabolic syndrome like polycystic ovarian syndrome (PCOS), but can be idiopathic or medication-induced. This article provides an endocrine perspective for the evaluation and management of hirsutism.
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PMID:Endocrine evaluation of hirsutism. 2849 65

Hirsutism is defined as excessive terminal hair growth in a male pattern in females. It typically affects 5 to 10% of reproductive-age women. Excessive hair growth can often cause significant psychological and emotional distress. As a result, hirsutism is a common presenting complaint to healthcare professionals, including dermatologists, as women search for cosmetic and medical solutions to their problem. Hirsutism results from excess production of androgens, often from ovarian or adrenal sources. It is typically associated with a metabolic syndrome like polycystic ovarian syndrome (PCOS), but can be idiopathic or medication-induced. This article provides an endocrine perspective for the evaluation and management of hirsutism.
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PMID:Endocrine evaluation of hirsutism. 2849 32

Sleep plays a vital role in brain function and systemic physiology across many body systems. Problems with sleep are widely prevalent and include deficits in quantity and quality of sleep; sleep problems that impact the continuity of sleep are collectively referred to as sleep disruptions. Numerous factors contribute to sleep disruption, ranging from lifestyle and environmental factors to sleep disorders and other medical conditions. Sleep disruptions have substantial adverse short- and long-term health consequences. A literature search was conducted to provide a nonsystematic review of these health consequences (this review was designed to be nonsystematic to better focus on the topics of interest due to the myriad parameters affected by sleep). Sleep disruption is associated with increased activity of the sympathetic nervous system and hypothalamic-pituitary-adrenal axis, metabolic effects, changes in circadian rhythms, and proinflammatory responses. In otherwise healthy adults, short-term consequences of sleep disruption include increased stress responsivity, somatic pain, reduced quality of life, emotional distress and mood disorders, and cognitive, memory, and performance deficits. For adolescents, psychosocial health, school performance, and risk-taking behaviors are impacted by sleep disruption. Behavioral problems and cognitive functioning are associated with sleep disruption in children. Long-term consequences of sleep disruption in otherwise healthy individuals include hypertension, dyslipidemia, cardiovascular disease, weight-related issues, metabolic syndrome, type 2 diabetes mellitus, and colorectal cancer. All-cause mortality is also increased in men with sleep disturbances. For those with underlying medical conditions, sleep disruption may diminish the health-related quality of life of children and adolescents and may worsen the severity of common gastrointestinal disorders. As a result of the potential consequences of sleep disruption, health care professionals should be cognizant of how managing underlying medical conditions may help to optimize sleep continuity and consider prescribing interventions that minimize sleep disruption.
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PMID:Short- and long-term health consequences of sleep disruption. 2857 42