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Microbiota depression

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https://www.readbyqxmd.com/read/29684865/the-effect-of-fecal-microbiota-transplantation-on-psychiatric-symptoms-among-patients-with-irritable-bowel-syndrome-functional-diarrhea-and-functional-constipation-an-open-label-observational-study
#1
Shunya Kurokawa, Taishiro Kishimoto, Shinta Mizuno, Tatsuhiro Masaoka, Makoto Naganuma, Kuo-Ching Liang, Momoko Kitazawa, Moeko Nakashima, Chie Shindo, Wataru Suda, Masahira Hattori, Takanori Kanai, Masaru Mimura
BACKGROUNDS: The intestinal microbiota is considered as a potential common underpinning pathophysiology of Functional Gastrointestinal Disorders (FGIDs) and psychiatric disorders such as depression and anxiety. Fecal Microbiota Transplantation (FMT) has been reported to have therapeutic effects on diseases related to dysbiosis, but few studies have evaluated its effect on psychiatric symptoms. METHODS: We followed 17 patients with either Irritable Bowel Syndrome (IBS), Functional Diarrhea (FDr) or Functional Constipation (FC) who underwent FMT for the treatment of gastrointestinal symptoms and observation of psychiatric symptoms...
April 12, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29671359/current-evidence-linking-diet-to-gut-microbiota-and-brain-development-and-function
#2
Florencia Ceppa, Andrea Mancini, Kieran Tuohy
The gut:brain axis is emerging as an important information highway linking the foods we eat with neurophysiological development and functions. Some gut microorganisms have shown to alleviate anxiety and depression, improve cognitive performance and play a role in brain development in early life. However, most studies were conducted in laboratory animals and these findings await confirmation in carefully designed human interventions. Similarly, little attention has been given to how diet:microbe interactions within the gut can impact on neurotransmitter production or their subsequent biological effects within the nervous system...
April 19, 2018: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/29660942/the-role-of-the-gut-microbiota-in-the-metabolism-of-polyphenols-as-characterized-by-gnotobiotic-mice
#3
Giulio Maria Pasinetti, Risham Singh, Susan Westfall, Francis Herman, Jeremiah Faith, Lap Ho
A growing body of experimental data suggests that microbes in the gut influence behavior and can alter brain physiology and neurochemistry. Although promising, researchers are only starting to understand the potential of the gut microbiota for use in neurological disease. Recent evidence demonstrated that gastrointestinal activities are linked to mood disorders such as anxiety, depression, and most recently, cognitive functions in age-related neurodegenerative disorders. Studies from our group and others are uncovering new evidence suggesting that the gut microbiota plays a crucial role in the metabolism and bioavailability of certain dietary compounds and synthetic drugs...
April 11, 2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29627254/technical-note-a-simple-rumen-collection-device-for-calves-an-adaptation-of-a-manual-rumen-drenching-system
#4
R N Klopp, M J Oconitrillo, A Sackett, T M Hill, R L Schlotterbeck, G J Lascano
A limited amount of research is available related to the rumen microbiota of calves, yet there has been a recent spike of interest in determining the diversity and development of calf rumen microbial populations. To study the microbial populations of a calf's rumen, a sample of the rumen fluid is needed. One way to take a rumen fluid sample from a calf is by fistulating the animal. This method requires surgery and can be very stressful on a young animal that is trying to adapt to a new environment and has a depressed immune system...
April 4, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29615850/interplay-between-the-gut-brain-axis-obesity-and-cognitive-function
#5
REVIEW
Ana Agustí, Maria P García-Pardo, Inmaculada López-Almela, Isabel Campillo, Michael Maes, Marina Romaní-Pérez, Yolanda Sanz
Obesity continues to be one of the major public health problems due to its high prevalence and co-morbidities. Common co-morbidities not only include cardiometabolic disorders but also mood and cognitive disorders. Obese subjects often show deficits in memory, learning and executive functions compared to normal weight subjects. Epidemiological studies also indicate that obesity is associated with a higher risk of developing depression and anxiety, and vice versa . These associations between pathologies that presumably have different etiologies suggest shared pathological mechanisms...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29614774/the-brain-intestinal-mucosa-appendix-microbiome-brain-loop
#6
Luis Vitetta, Gemma Vitetta, Sean Hall
The brain and the gut are connected from early fetal life. The mother's exposure to microbial molecules is thought to exert in utero developmental effects on the fetus. These effects could importantly underpin the groundwork for subsequent pathophysiological mechanisms for achieving immunological tolerance and metabolic equilibrium post birth, events that continue through to 3-4 years of age. Furthermore, it is understood that the microbiome promotes cues that instruct the neonate's mucosal tissues and skin in the language of molecular and cellular biology...
April 1, 2018: Diseases (Basel)
https://www.readbyqxmd.com/read/29610580/infectious-bursal-disease-virus-inoculation-infection-modifies-campylobacter-jejuni-host-interaction-in-broilers
#7
Li Li, Colin Pielsticker, Zifeng Han, Tereza Kubasová, Ivan Rychlik, Bernd Kaspers, Silke Rautenschlein
Background: Campylobacter jejuni is considered as a chicken commensal. The gut microbiota and the immune status of the host may affect its colonization. Infectious bursal disease virus (IBDV) is an immunosuppressive virus of chickens, which allows secondary pathogens to invade or exacerbates their pathogenesis. To investigate the effect of IBDV-induced immunosuppression on the pathogenesis of C. jejuni , broiler chickens were inoculated with a very virulent (vv) strain of IBDV at 14 days post hatch followed by C...
2018: Gut Pathogens
https://www.readbyqxmd.com/read/29552561/of-microbes-and-minds-a-narrative-review-on-the-second-brain-aging
#8
REVIEW
Riccardo Calvani, Anna Picca, Maria Rita Lo Monaco, Francesco Landi, Roberto Bernabei, Emanuele Marzetti
In recent years, an extensive body of literature focused on the gut-brain axis and the possible role played by the gut microbiota in modulating brain morphology and function from birth to old age. Gut microbiota has been proposed as a relevant player during the early phases of neurodevelopment, with possible long-standing effects in later life. The reduction in gut microbiota diversity has also become one of the hallmarks of aging, and disturbances in its composition are associated with several (age-related) neurological conditions, including depression, Alzheimer's disease, and Parkinson's disease...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29548630/sleep-apnea-morbidity-a-consequence-of-microbial-immune-cross-talk
#9
REVIEW
Nuria Farré, Ramon Farré, David Gozal
Obstructive Sleep Apnea (OSA) has emerged as a highly prevalent public health problem that imposes important mid-term and long-term consequences, namely cardiovascular, metabolic, cognitive and cancer-related alterations. OSA is characterized by increased upper airway resistance, alveolar hypoventilation, and recurrent upper airway obstruction during sleep. Recurrent collapse of the upper airway develops with sleep onset, and is associated with both intermittent hypoxemia and sleep fragmentation. The microbiome is a vast and complex polymicrobial ecosystem that coexists with the human organism, and has been identified as playing significant roles in the development of host immunological phenotypes...
March 13, 2018: Chest
https://www.readbyqxmd.com/read/29529321/supplementing-goat-kids-with-coconut-medium-chain-fatty-acids-in-early-life-influences-growth-and-rumen-papillae-development-until-4-months-after-supplementation-but-effects-on-in-vitro-methane-emissions-and-the-rumen-microbiota-are-transient
#10
S Debruyne, A Ruiz-González, E Artiles-Ortega, B Ampe, W Van Den Broeck, E De Keyser, L Vandaele, K Goossens, V Fievez
The aim of this study was to investigate the methane (CH4) reducing potential of a combination of pre- and/or postnatal treatment with coconut oil medium chain fatty acids (CO MCFA) in goat kids. The hypothesis is that influencing rumen function during early life has more chances for success than in the adult life, related to the resilience of the mature rumen microbiota. Forty-eight pregnant does were split into 2 experimental groups: treated does (D+) received 40 g/d of CO MCFA in a test compound feed, while control does (D-) received a control compound feed, during the last 3 wk of gestation...
February 24, 2018: Journal of Animal Science
https://www.readbyqxmd.com/read/29520144/sex-differences-in-gut-microbiota-in-patients-with-major-depressive-disorder
#11
Jian-Jun Chen, Peng Zheng, Yi-Yun Liu, Xiao-Gang Zhong, Hai-Yang Wang, Yu-Jie Guo, Peng Xie
Objective: Our previous studies found that disturbances in gut microbiota might have a causative role in the onset of major depressive disorder (MDD). The aim of this study was to investigate whether there were sex differences in gut microbiota in patients with MDD. Patients and methods: First-episode drug-naïve MDD patients and healthy controls were included. 16S rRNA gene sequences extracted from the fecal samples of the included subjects were analyzed. Principal-coordinate analysis and partial least squares-discriminant analysis were used to assess whether there were sex-specific gut microbiota...
2018: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/29492874/mind-altering-with-the-gut-modulation-of-the-gut-brain-axis-with-probiotics
#12
REVIEW
Namhee Kim, Misun Yun, Young Joon Oh, Hak-Jong Choi
It is increasingly evident that bidirectional interactions exist among the gastrointestinal tract, the enteric nervous system, and the central nervous system. Recent preclinical and clinical trials have shown that gut microbiota plays an important role in these gut-brain interactions. Furthermore, alterations in gut microbiota composition may be associated with pathogenesis of various neurological disorders, including stress, autism, depression, Parkinson's disease, and Alzheimer's disease. Therefore, the concepts of the microbiota-gut-brain axis is emerging...
March 2018: Journal of Microbiology / the Microbiological Society of Korea
https://www.readbyqxmd.com/read/29490382/-major-depression-and-liver-disease-the-role-of-microbiome-and-inflammation
#13
Kai G Kahl, Tillmann Krüger, Gabriel Eckermann, Heiner Wedemeyer
Depression and liver disease are closely associated. Every third patient with liver cirrhosis or hepatitis shows depressive symptoms. On the other hand, every third patient with depressive disorder develops an alcohol disorder at some point during his / her life. A crucial link between depression and hepatic disease seems to be inflammatory processes in which the microbiome and increased intestinal permeability of the intestine play a pivotal role. Depression as well as liver disease, alcohol consumption, stress, and aging processes disturb the delicate balance of intestinal microbiota resulting in increased intestinal permeability...
February 28, 2018: Fortschritte der Neurologie-Psychiatrie
https://www.readbyqxmd.com/read/29432299/comparative-metaproteomics-analysis-shows-altered-fecal-microbiota-signatures-in-patients-with-major-depressive-disorder
#14
Zhi Chen, Jie Li, Siwen Gui, Chanjuan Zhou, Jianjun Chen, Chuangchuang Yang, Zicheng Hu, Haiyang Wang, Xiaogang Zhong, Li Zeng, Ke Chen, Pengfei Li, Peng Xie
Major depressive disorder (MDD) is a highly prevalent and debilitating mental illness, which is associated with disorder of gut microbiota. However, few studies focusing on detection of the signatures of bacteria in feces of MDD patients using proteomics approach have been carried out. Here, a comparative metaproteomics analysis on the basis of an isobaric tag for relative and absolute quantification coupled with tandem mass spectrometry was carried out to explore the signature of gut microbiota in patients with MDD...
February 9, 2018: Neuroreport
https://www.readbyqxmd.com/read/29421808/pathophysiology-of-functional-gastrointestinal-disorders-a-holistic-overview
#15
Gerald Holtmann, Ayesha Shah, Mark Morrison
Background and Summary: Traditionally, functional gastrointestinal disorders (FGID), including functional dyspepsia or irritable bowel syndrome (IBS), are defined by more or less specific symptoms and the absence of structural or biochemical abnormalities that cause these symptoms. This concept is now considered to be outdated; if appropriate tests are applied, structural or biochemical abnormalities that explain or cause the symptoms may be found in many patients. Another feature of FGID are the highly prevalent psychiatric comorbidities, such as depression and anxiety...
2017: Digestive Diseases
https://www.readbyqxmd.com/read/29407287/overview-and-systematic-review-of-studies-of-microbiome-in-schizophrenia-and-bipolar-disorder
#16
REVIEW
Tanya T Nguyen, Tomasz Kosciolek, Lisa T Eyler, Rob Knight, Dilip V Jeste
Schizophrenia and bipolar disorder are among the leading causes of disability, morbidity, and mortality worldwide. In addition to being serious mental illnesses, these disorders are associated with considerable systemic physiological dysfunction, including chronic inflammation and elevated oxidative stress. The advent of sophisticated sequencing techniques has led to a growing interest in the potential role of gut microbiota in human health and disease. Advances in this area have transformed our understanding of a number of medical conditions and have generated a new perspective suggesting that gut microbiota might be involved in the development and maintenance of brain/mental health...
April 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29402332/the-efficacy-and-mechanism-evaluation-of-treating-idiopathic-pulmonary-fibrosis-with-the-addition-of-co-trimoxazole-eme-tipac-study-protocol-for-a-randomised-controlled-trial
#17
Matthew Hammond, Allan B Clark, Anthony P Cahn, Edwin R Chilvers, William Duncan Fraser, David M Livermore, Toby M Maher, Helen Parfrey, Ann Marie Swart, Susan Stirling, David Thickett, Moira Whyte, Andrew Wilson
BACKGROUND: We hypothesise, based upon the findings from our previous trial, that the addition of co-trimoxazole to standard therapy is beneficial to patients with moderate to severe idiopathic pulmonary fibrosis (IPF). We aim to investigate this by assessing unplanned hospitalisation-free survival (defined as time from randomisation to first non-elective hospitalisation, lung transplant or death) and to determine whether any effect relates to changes in infection and/or markers of disease control and neutrophil activity...
February 5, 2018: Trials
https://www.readbyqxmd.com/read/29397391/gut-microbiome-and-depression-what-we-know-and-what-we-need-to-know
#18
Gal Winter, Robert A Hart, Richard P G Charlesworth, Christopher F Sharpley
Gut microbiome diversity has been strongly associated with mood-relating behaviours, including major depressive disorder (MDD). This association stems from the recently characterised bi-directional communication system between the gut and the brain, mediated by neuroimmune, neuroendocrine and sensory neural pathways. While the link between gut microbiome and depression is well supported by research, a major question needing to be addressed is the causality in the connection between the two, which will support the understanding of the role that the gut microbiota play in depression...
February 5, 2018: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/29382834/metabolite-identification-in-fecal-microbiota-transplantation-mouse-livers-and-combined-proteomics-with-chronic-unpredictive-mild-stress-mouse-livers
#19
Bo Li, Kenan Guo, Li Zeng, Benhua Zeng, Ran Huo, Yuanyuan Luo, Haiyang Wang, Meixue Dong, Peng Zheng, Chanjuan Zhou, Jianjun Chen, Yiyun Liu, Zhao Liu, Liang Fang, Hong Wei, Peng Xie
Major depressive disorder (MDD) is a common mood disorder. Gut microbiota may be involved in the pathogenesis of depression via the microbe-gut-brain axis. Liver is vulnerable to exposure of bacterial products translocated from the gut via the portal vein and may be involved in the axis. In this study, germ-free mice underwent fecal microbiota transplantation from MDD patients and healthy controls. Behavioral tests verified the depression model. Metabolomics using gas chromatography-mass spectrometry, nuclear magnetic resonance, and liquid chromatography-mass spectrometry determined the influence of microbes on liver metabolism...
January 31, 2018: Translational Psychiatry
https://www.readbyqxmd.com/read/29355696/effects-of-non-purified-and-semi-purified-commercial-diets-on-behaviors-plasma-corticosterone-levels-and-cecum-microbiome-in-c57bl-6j-mice
#20
Atsushi Toyoda, Hikari Shimonishi, Mizuho Sato, Kento Usuda, Natsuki Ohsawa, Kentaro Nagaoka
Diverse commercially available feeds are used in animal studies according to the purpose of the studies. We sought to understand the relationship between feed ingredients and their effects on animal physiology and behaviors. Here, we investigated how male laboratory mice (C57BL/6J ("B6") mice) were affected by chronic feeding with two commercially available diets, a non-purified diet (MF) and a semi-purified diet (AIN-93G). In B6 mice, both diets similarly induced spontaneous activities in the home cage and the open field box, anxiety in the elevated plus maze test, and depressive-like behaviors in tail-suspension and forced-swimming tests, and with both diets, similar data were obtained on calorie intake, water intake, body weight gain, and plasma corticosterone levels...
March 23, 2018: Neuroscience Letters
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