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Microbiota depression

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https://www.readbyqxmd.com/read/27924137/exercise-induced-stress-behavior-gut-microbiota-brain-axis-and-diet-a-systematic-review-for-athletes
#1
REVIEW
Allison Clark, Núria Mach
Fatigue, mood disturbances, under performance and gastrointestinal distress are common among athletes during training and competition. The psychosocial and physical demands during intense exercise can initiate a stress response activating the sympathetic-adrenomedullary and hypothalamus-pituitary-adrenal (HPA) axes, resulting in the release of stress and catabolic hormones, inflammatory cytokines and microbial molecules. The gut is home to trillions of microorganisms that have fundamental roles in many aspects of human biology, including metabolism, endocrine, neuronal and immune function...
2016: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/27920621/toxins-toxicity-and-endotoxemia-a-historical-and-clinical-perspective-for-chiropractors
#2
REVIEW
David R Seaman
OBJECTIVE: The purpose of this commentary is to review the notion of toxicity in the context of chiropractic practice. DISCUSSION: The belief that body toxicity is the cause of disease has been promoted for thousands of years. Prior to the emergence of the chiropractic profession, the medical profession embraced the notion that the body becomes "toxic," requiring detoxification interventions or surgery. The legacy of body toxicity within the chiropractic approach to patient care began with Daniel David Palmer...
December 2016: Journal of Chiropractic Humanities
https://www.readbyqxmd.com/read/27884012/gut-microbiota-bacterial-translocation-and-interactions-with-diet-pathophysiological-links-between-major-depressive-disorder-and-non-communicable-medical-comorbidities
#3
Anastasiya Slyepchenko, Michael Maes, Felice N Jacka, Cristiano A Köhler, Tatiana Barichello, Roger S McIntyre, Michael Berk, Iria Grande, Jane A Foster, Eduard Vieta, André F Carvalho
BACKGROUND: Persistent low-grade immune-inflammatory processes, oxidative and nitrosative stress (O&NS), and hypothalamic-pituitary-adrenal axis activation are integral to the pathophysiology of major depressive disorder (MDD). The microbiome, intestinal compositional changes, and resultant bacterial translocation add a new element to the bidirectional interactions of the gut-brain axis; new evidence implicates these pathways in the patho-aetiology of MDD. In addition, abnormalities in the gut-brain axis are associated with several chronic non-communicable disorders, which frequently co-occur in individuals with MDD, including but not limited to irritable bowel syndrome (IBS), chronic fatigue syndrome (CFS), obesity, and type 2 diabetes mellitus (T2DM)...
November 25, 2016: Psychotherapy and Psychosomatics
https://www.readbyqxmd.com/read/27811325/effect-of-elevated-dietary-amino-acid-levels-in-high-canola-meal-diets-on-productive-traits-and-cecal-microbiota-population-of-broiler-chickens-in-a-pair-feeding-study
#4
M Toghyani, C K Girish, S B Wu, P A Iji, R A Swick
A pair-feeding study was conducted to determine if reduced feed intake (FI) in broiler chickens fed high canola meal (CM) diets per se accounts for reduced growth performance and whether this lower growth rate can be mitigated by increasing dietary amino acid (AA) levels. Five experimental wheat-based diets were formulated as follows: soybean meal (SBM) diet, high CM diet with normal AA concentration, and high CM diets with 3, 6, or 9% additional AA concentration (Lys, Met+Cys, Thr, Ile, Arg, and Val). Another group of birds was pair-fed with SBM diet to the consumption levels of birds fed CM diet with normal AA...
November 2, 2016: Poultry Science
https://www.readbyqxmd.com/read/27793221/cognitive-function-and-the-microbiome
#5
M G Gareau
There is increasing evidence that the composition of the resident bacteria within the gastrointestinal tract can influence the brain and behavior, particularly with respect to cognitive function. Cognitive function encompasses the life-long process of learning, both long- and short-term processes. Cognition was originally thought to be exclusively regulated by the central nervous system, with long-term potentiation and neurogenesis contributing to the creation and storage of memories, but now other systems, including, for example, the immune system and the intestinal microbiome may also be involved...
2016: International Review of Neurobiology
https://www.readbyqxmd.com/read/27787576/-gut-microbiome-and-major-depressive-disorder-the-other-side-of-ourselves
#6
A Manook, A Hiergeist, R Rupprecht, T C Baghai
Microbiological ecology and its ambition to describe the complete genome of complex living communities as a whole, have given us powerful tools to characterize the human gut microbiome on a genetic and, hence, taxonomic and abundance level; for a decade now, they have become sufficiently inexpensive, fast and feasible. Thus, opportunities arose to have a fresh and closer look at the microbiota-gut-brain-axis and its impact on human health; this axis comprises a complex multisystemic network of multidirectional interactions between brain and gut including influences beyond one generation...
November 2016: Der Nervenarzt
https://www.readbyqxmd.com/read/27754286/br-07-1-development-of-the-cell-microarray-for-high-throughput-analysis-of-gut-microbiota
#7
Seong-Tshool Hong
The human intestine contains a massive and complex microbial community called gut microbiota. A typical human carries 100 trillion microbes in his/her body which is 10 times greater than the number of their host cells, i.e. whole number of human cells. A combined microbial genome constituting gut microbiota is well excess our own human genome. The microbial composition of gut microbiotata and its role on diseases became a booming area of research, presenting a new paradigm of opportunities for modern medicines...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27744123/antidepressants-antimicrobials-or-both-gut-microbiota-dysbiosis-in-depression-and-possible-implications-of-the-antimicrobial-effects-of-antidepressant-drugs-for-antidepressant-effectiveness
#8
Danielle Macedo, Adriano José Maia Chaves Filho, Caren Nádia Soares de Sousa, João Quevedo, Tatiana Barichello, Hélio Vitoriano Nobre Júnior, David Freitas de Lucena
OBJECTIVES: The first drug repurposed for the treatment of depression was the tuberculostatic iproniazid. At present, drugs belonging to new classes of antidepressants still have antimicrobial effects. Dysbiosis of gut microbiota was implicated in the development or exacerbation of mental disorders, such as major depressive disorder (MDD). Based on the current interest in the gut-brain axis, the focus of this narrative review is to compile the available studies regarding the influences of gut microbiota in behavior and depression and to show the antimicrobial effect of antidepressant drugs...
September 28, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/27742580/mechanical-allodynia-corresponds-to-oprm1-downregulation-within-the-descending-pain-network-of-male-and-female-rats-exposed-to-neonatal-immune-challenge
#9
Siyang Yan, Amanda C Kentner
Exposure to painful procedures and/or stressors during the early neonatal period can reprogram the underlying neurocircuitry involved in nociception and neuropathic pain perception. The reprogramming of these systems can result in an enduring elevation in sensitivity towards mechanical and thermal stimuli. Recent evidence suggests that exposure to mild inflammatory mediators during the neonatal period can induce similar pain responses in both adolescent and adult rats. Therefore, we sought to profile changes in the expression of several genes across brain areas involved in the active modulation of nociception and neuropathic pain using a well-recognized model of neonatal inflammation...
October 11, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/27742460/behavioural-and-neurochemical-consequences-of-chronic-gut-microbiota-depletion-during-adulthood-in-the-rat
#10
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/27741466/prevotella-and-klebsiella-proportions-in-fecal-microbial-communities-are-potential-characteristic-parameters-for-patients-with-major-depressive-disorder
#11
Ping Lin, Bingyu Ding, Chunyan Feng, Shuwei Yin, Ting Zhang, Xin Qi, Huiying Lv, Xiaokui Guo, Ke Dong, Yongzhang Zhu, Qingtian Li
BACKGROUND: The diagnosis of major depression disorder (MDD) and other mental disorders were depended on some subjective survey scales. There are confirmed relationship between the gut flora and the mental states of MDD patients. METHODS: The V3-V4 region of the 16S rRNA gene was extracted from the fecal microbial communities in MDD patients, PCR amplified and sequenced on the Illumina Miseq platform. RESULTS: More phylum Firmicutes, less Bacteroidetes, and more genus Prevotella, Klebsiella, Streptococcus and Clostridium XI were found in MDD patients...
October 1, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/27701771/antibiotics-in-the-first-year-of-life-and-subsequent-neurocognitive-outcomes
#12
Rebecca F Slykerman, John Thompson, Karen E Waldie, Rinki Murphy, Clare Wall, Edwin A Mitchell
AIM: There may be a link between disruption to the gut microbiota in early life and later neurocognitive outcomes. We hypothesised that antibiotic use in early life is associated with a detrimental effect on later neurocognitive outcomes. METHODS: 871 European mothers and their children enrolled in the Auckland Birthweight Collaborative Study at birth. Information on antibiotic use during the first year of life and between 12 months and 3.5 years of age was gathered via maternal interview...
October 4, 2016: Acta Paediatrica
https://www.readbyqxmd.com/read/27698624/integrative-therapies-in-anxiety-treatment-with-special-emphasis-on-the-gut-microbiome
#13
Stephanie L Schnorr, Harriet A Bachner
Over the past decade, research has shown that diet and gut health affects symptoms expressed in stress related disorders, depression, and anxiety through changes in the gut microbiota. Psycho-behavioral function and somatic health interaction have often been ignored in health care with resulting deficits in treatment quality and outcomes. While mental health care requires the professional training in counseling, psychotherapy and psychiatry, complimentary therapeutic strategies, such as attention to a nutritional and diverse diet and supplementation of probiotic foods, may be integrated alongside psychotherapy treatment models...
September 2016: Yale Journal of Biology and Medicine
https://www.readbyqxmd.com/read/27688655/regulation-of-the-serotonin-transporter-in-the-pathogenesis-of-irritable-bowel-syndrome
#14
REVIEW
Duo-Chen Jin, Hai-Long Cao, Meng-Que Xu, Si-Nan Wang, Yu-Ming Wang, Fang Yan, Bang-Mao Wang
Serotonin (5-HT) and the serotonin transporter (SERT) have earned a tremendous amount of attention regarding the pathogenesis of irritable bowel syndrome (IBS). Considering that enteric 5-HT is responsible for the secretion, motility and perception of the bowel, the involvement of altered enteric 5-HT metabolism in the pathogenesis of IBS has been elucidated. Higher 5-HT availability is commonly associated with depressed SERT mRNA in patients with IBS compared with healthy controls. The expression difference of SERT between IBS patients and healthy controls might suggest that SERT plays an essential role in IBS pathogenesis, and SERT was expected to be a novel therapeutic target for IBS...
September 28, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27677781/immune-to-brain-communication-pathways-in-inflammation-associated-sickness-and-depression
#15
Charlotte D'Mello, Mark G Swain
A growing body of evidence now highlights a key role for inflammation in mediating sickness behaviors and depression. Systemic inflammatory diseases such as rheumatoid arthritis, inflammatory bowel disease, and chronic liver disease have high comorbidity with depression. How the periphery communicates with the brain to mediate changes in neurotransmission and thereby behavior is not completely understood. Traditional routes of communication between the periphery and the brain involve neural and humoral pathways with TNFα, IL-1β, and IL-6 being the three main cytokines that have primarily been implicated in mediating signaling via these pathways...
September 28, 2016: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/27647538/mood-disorders-and-non-celiac-gluten-sensitivity
#16
Giovanni Casella, Roberta Pozzi, Marta Cicognetti, Francesco Bachetti, Gabriele Torti, Moris Cadei, Vincenzo Villanacci, Vittorio Baldini, Gabrio Bassotti
The association between gluten related disorders and psychiatric diseases has been firmly demonstrated. Non celiac gluten sensitivity (NCGS) is a syndrome diagnosed in patients responsive to gluten free diet after ruling out celiac disease and wheat allergy. The pathogenesis of neuro-psychiatric disorders in NCGS is unclear. An association between gluten and schizophrenia was described for the first time in 1950 by Bender et al. In the 50', Dicke noted that gluten free diet improved mood in celiac patients...
September 20, 2016: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/27643284/br-07-1-development-of-the-cell-microarray-for-high-throughput-analysis-of-gut-microbiota
#17
Seong-Tshool Hong
The human intestine contains a massive and complex microbial community called gut microbiota. A typical human carries 100 trillion microbes in his/her body which is 10 times greater than the number of their host cells, i.e. whole number of human cells. A combined microbial genome constituting gut microbiota is well excess our own human genome. The microbial composition of gut microbiotata and its role on diseases became a booming area of research, presenting a new paradigm of opportunities for modern medicines...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27641441/gut-instincts-microbiota-as-a-key-regulator-of-brain-development-ageing-and-neurodegeneration
#18
Timothy G Dinan, John F Cryan
There is a growing realisation that the gut-brain axis and its regulation by the microbiota may play a key role in the biological and physiological basis of neurodevelopmental, age-related and neurodegenerative disorders. The routes of communication between the microbiota and brain are being unravelled and include the vagus nerve, gut hormone signalling, the immune system, tryptophan metabolism or by way of microbial metabolites such as short chain fatty acids. The importance of early life gut microbiota in shaping future health outcomes is also emerging...
September 19, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27634184/multiple-sclerosis-gut-microbiota-and-permeability-role-of-tryptophan-catabolites-depression-and-the-driving-down-of-local-melatonin
#19
Moses Rodriguez, Bharath Wootla, George Anderson
BACKGROUND: Alterations in gut microbiota, coupled to increased gut permeability are now widely recognized as having a role in the etiology, course and treatment of many medical conditions, including autoimmune and neurodegenerative disorders. METHODS: In this review, the role that such gut changes play over the course of multiple sclerosis (MS) is detailed. RESULTS: Given the wide array of biological factors and processes that have been shown to be altered in MS, including changes in the gut, this allows for a better integration of the diverse array of pathophysiological processes linked to MS...
September 15, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27632908/probiotic-supplementation-can-positively-affect-anxiety-and-depressive-symptoms-a-systematic-review-of-randomized-controlled-trials
#20
REVIEW
Meysam Pirbaglou, Joel Katz, Russell J de Souza, Jennifer C Stearns, Mehras Motamed, Paul Ritvo
Gastrointestinal microbiota, consisting of microbial communities in the gastrointestinal tract, play an important role in digestive, metabolic, and immune functioning. Preclinical studies on rodents have linked behavioral and neurochemical changes in the central nervous system with deficits or alterations in these bacterial communities. Moreover, probiotic supplementation in rodents has been shown to markedly change behavior, with correlated changes in central neurochemistry. While such studies have documented behavioral and mood-related supplementation effects, the significance of these effects in humans, especially in relation to anxiety and depression symptoms, are relatively unknown...
September 2016: Nutrition Research
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