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The Gut Microbiome in Early Life Stress: A Systematic Review.
Agusti, A, Lamers, F, Tamayo, M, Benito-Amat, C, Molina-Mendoza, GV, Penninx, BWJH, Sanz, Y
Nutrients. 2023;15(11)
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Children exposed to early life stress (ELS) show alterations in brain development and are at increased risk of developing mental illness. This study aims to clarify whether ELS influences the gut microbiome and whether this can be a predictor for the development of mental disorders. 13 articles were included in this systemic review. 4 looked at pre-natal stress and 9 at post-natal stress. Prenatal stress (via maternal stress) may be associated with an increase in Proteobacteria phylum and with a lower abundance of Bifidobacterium and lactic acid bacteria. In the postnatal group, greater microbiome diversity was related to lower depression and anxiety. In boys scores for adaptive skills were higher in those with good levels of Bifidobacterium. A positive association was found between EA (early adversity) experiences and gastrointestinal symptoms and anxiety. This review demonstrates links between ELS and gut microbiome changes. Further research will be necessary to draw more robust conclusions.
Expert Review
Conflicts of interest:
None
Take Home Message:
- This systematic review consolidated and discussed existing evidence on the link between early life stress (ELS) and changes to the human microbiome
- Exposure to ELS, prenatal or postnatal during childhood and adolescence, may impact mental and physical health.
Evidence Category:
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A: Meta-analyses, position-stands, randomized-controlled trials (RCTs)
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B: Systematic reviews including RCTs of limited number
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C: Non-randomized trials, observational studies, narrative reviews
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D: Case-reports, evidence-based clinical findings
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E: Opinion piece, other
Summary Review:
Introduction
A systematic review was conducted to consolidate clinical evidence examining the impact of early life stress (ELS) on the human intestinal microbiome.
Method
Thirteen observational studies were included in the review, sourced from Pubmed, Scopus, Web of Science, and EMBASE. Methodological quality was assessed using the Newcastle-Ottawa Assessment Scale (NOS), with most studies scoring seven or eight out of nine stars.
Study designs varied, including prospective prenatal studies, postnatal longitudinal studies, case-control studies, and cross-sectional studies. Four prenatal studies were prospective in design. The other nine postnatal studies included one longitudinal study, five case-control studies, and three cross-sectional studies. All 13 studies were published between 2015 and 2022. Because study designs and outcome assessments varied, the results were presented in a narrative form. Data was extracted by 2 independent authors.
Results
The primary findings from the review were as follows:
- Four longitudinal stress studies indicated that pregnant mothers experiencing psychological stress, increased cortisol levels, HIV, and lack of social support exhibited a lower abundance of beneficial Bifidobacterium and an increased abundance of Enterobacter genus.
- One postnatal stress longitudinal study (n=260) demonstrated lower depression and anxiety and improved internalising behaviour in patients with high microbiome diversity.
- . One postnatal stress case-control study (n=344) showed changes in the microbiome and an abundance of several bacterial taxa in stressed groups, including genera Prevotella, Bacteroides (Bacteroidetes), Coprococcus, Streptococcus, and Escherichia.
- One cross-sectional study of 128 adults without psychiatric conditions revealed that higher stress correlated with increased levels of Bacteroides, Parabacteroides, Rhodococcus, Methanobrevibacter, and Roseburia at the genus level, as well as lower Phascolarcto bacterium and Firmicutes at the phylum level.
- One large prospective study (n=446) found infants exposed to higher cumulative stress exhibited an increased relative abundance of Proteobacteria groups and lower Bifidobacterium.
Conclusion:
Due to the inconsistency of study designs and their results this review failed to find consensus microbiome signatures associated with pre- or postnatal stress, or both.
Clinical practice applications:
- Early life stress, and alterations in the gut microbiome, have been linked to mental health conditions
- Maternal prenatal stress may be linked to emotional, behavioural, and cognitive outcomes in infants.
Considerations for future research:
- Future research should standardise questionnaires, to ensure consistency and comparability across studies
- Additionally, future studies should consider using standard procedures and specific species and strain resolution shotgun metagenomics sequencing
- Consideration should be given to the influence of environmental variables (diet, physical activity, etc.) and sex in gut microbiome analysis.
Abstract
Exposure to early life stress (ELS), prenatal or postnatal during childhood and adolescence, can significantly impact mental and physical health. The role of the intestinal microbiome in human health, and particularly mental health, is becoming increasingly evident. This systematic review aims to summarize the clinical data evaluating the effect of ELS on the human intestinal microbiome. The systematic review (CRD42022351092) was performed following PRISMA guidelines, with ELS considered as exposure to psychological stressors prenatally and during early life (childhood and adolescence). Thirteen articles met all inclusion criteria, and all studies reviewed found a link between ELS and the gut microbiome in both prenatal and postnatal periods. However, we failed to find consensus microbiome signatures associated with pre- or postnatal stress, or both. The inconsistency of results is likely attributed to various factors such as different experimental designs, ages examined, questionnaires, timing of sample collection and analysis methods, small population sizes, and the type of stressors. Additional studies using similar stressors and validated stress measures, as well as higher-resolution microbiome analytical approaches, are needed to draw definitive conclusions about the links between stress and the human gut microbiome.
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Bifidobacterium longum subsp. longum Reduces Perceived Psychological Stress in Healthy Adults: An Exploratory Clinical Trial.
Boehme, M, Rémond-Derbez, N, Lerond, C, Lavalle, L, Keddani, S, Steinmann, M, Rytz, A, Dalile, B, Verbeke, K, Van Oudenhove, L, et al
Nutrients. 2023;15(14)
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Psychosocial stress is a common issue and one way in which nutrition may modulate the stress response is via the microbiota-gut-brain axis. This 6-week randomised, double-blind, placebo-controlled trial of 45 healthy adults with mild-to-moderate stress evaluated the effects of Bifidobacterium longum (BL) NCC3001 on psychological and physiological markers of stress and the response to an acute stress test. Outcome measures included cortisol awakening response, heart rate, heart rate variability and various questionnaires assessing stress, anxiety, depression, sleep and gastrointestinal symptoms. Compared to placebo, probiotic intake led to a significant decrease in perceived stress and an improvement in subjective sleep after 6 weeks. There was no difference in cortisol awakening response. The subjects in both groups did not experience significant gastrointestinal symptoms and scored low on anxiety and depression at baseline. In response to the acute stress test, cortisol levels were higher in the probiotic than the placebo group, whilst no clear differences were seen in heart rate and heart rate variability. Subjects in the probiotic group had a lower pain experience during the stress test whilst subjects in the placebo group had an increase in positive mood following the test. The authors conclude that these results support their hypothesis that BL NCC3001 may alleviate stress and improve sleep in adults with moderate stress levels.
Expert Review
Conflicts of interest:
None
Take Home Message:
- There is mounting evidence to suggest that nutritional interventions can influence our stress responses. One of the routes by which nutrition can influence physiological and psychological stress responses involves the microbiota– gut–brain-axis.
- This exploratory trial suggests that supplementation with Bifidobacterium longum (BL) strain NCC3001 leads to a beneficial effect on stress relief and improves subjective sleep quality in a healthy adult population reporting moderate levels of psychological stress.
Evidence Category:
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A: Meta-analyses, position-stands, randomized-controlled trials (RCTs)
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X
B: Systematic reviews including RCTs of limited number
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C: Non-randomized trials, observational studies, narrative reviews
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D: Case-reports, evidence-based clinical findings
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E: Opinion piece, other
Summary Review:
Introduction
A randomised, placebo-controlled, two-arm, parallel, double-blind exploratory clinical trial was conducted to investigate the effect Bifidobacterium longum (BL) strain NCC3001 on stress-related psychological and physiological parameters and acute stress in healthy adults who typically experience mild-to-moderate-levels of stress.
Method
47 Participants between the ages of 25-65 years old with mild-to-moderate psychological stress received 1x1010 CFU of Bifidobacterium longum (BL) strain NCC3001 daily or a placebo for 6 weeks.
Participants completed the Perceived Stress Scale (PSS), the Hospital Anxiety and Depression Scales (HAD-A and HADS-D), the Gastrointestinal Symptom Rating Scale (GSRA), the Pittsburgh Sleep Quality Index (PSQI) questionnaire, the Positive and Negative Affect Schedule (PANAS), the State Trait Anxiety Inventory (STAI-6), the Maastricht Acute Stress Test (MAST) and the Visual Analog Scales (VAS, which measures pain intensity) during the clinical study. The Depression, Anxiety and Stress Scale (DASS-42) questionnaire was also used to depict the progression of the participants through the study.
Faecal samples were taken at baseline and 6 weeks and awakening saliva samples were taken at baseline, 2, 4, 6 and 8 weeks. At the endpoint, 45/49 (91%) of the subjects completed the study. One participant reported an adverse event and the other withdrew without an explanation. Two participants were excluded from the full analysis.
Results
The primary outcomes were:
- After 6-week of the probiotic intervention, there was a significant decrease in perceived stress in the probiotic group (21.4%) compared to the placebo group (-10.2%), p = 0.017.
- There was a significant improvement in subjective sleep in the probiotic group compared to the placebo group (p = 0.037).
- There was a significant decrease in the positive PANAS change score from the pre-stressor stage in the probiotic group compared to the placebo group (p = 0.01).
- There were lower pain values (VAS) scores from pre-stressor to post-stressor in the probiotic group compared to the placebo group (p = 0.05).
- There was no significant difference between groups in anxiety (HADS-A) and Depression (HADS_D) scores.
Conclusion
Oral supplementation with BL NCC3001 may have beneficial effects on stress relief and improves subjective sleep quality in a healthy adult population reporting moderate levels of psychological stress.
Clinical practice applications:
- While the mechanism underlying the correlation between the microbiota and the gut-brain-axis is not fully understood, it is thought to play a critical role in the links between the microbiota, mood, stress, and brain health.
- This exploratory trial additionally supports the potential of specific probiotics being used to reduce perceived stress and improve subjective sleep quality in healthy adults.
Considerations for future research:
- Larger, powered clinical trials are needed to provide further insights into the mechanisms underlying the stress-relieving and sleep-improving effect of Bifidobacterium longum.
- Furthermore, the dosage and duration of the probiotics need further investigation in a larger healthy population.
- Comparative research is needed to help investigate the effect of different probiotic strains on stress relief and sleep quality.
Abstract
Emerging science shows that probiotic intake may impact stress and mental health. We investigated the effect of a 6-week intervention with Bifidobacterium longum (BL) NCC3001 (1 × 1010 CFU/daily) on stress-related psychological and physiological parameters in 45 healthy adults with mild-to-moderate stress using a randomized, placebo-controlled, two-arm, parallel, double-blind design. The main results showed that supplementation with the probiotic significantly reduced the perceived stress and improved the subjective sleep quality score compared to placebo. Comparing the two groups, momentary subjective assessments concomitant to the Maastricht Acute Stress Test revealed a lower amount of pain experience in the probiotic group and a higher amount of relief at the end of the procedure in the placebo group, reflected by higher scores in the positive affect state. The awakening of the salivary cortisol response was not affected by the intervention, yet the reduction observed in the salivary cortisol stress response post-intervention was higher in the placebo group than the probiotic group. Multivariate analysis further indicated that a reduction in perceived stress correlated with a reduction in anxiety, in depression, and in the cortisol awakening response after the 6-week intervention. This exploratory trial provides promising insights into BL NCC3001 to reduce perceived stress in a healthy population and supports the potential of nutritional solutions including probiotics to improve mental health.
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Psychobiotic Effects on Anxiety Are Modulated by Lifestyle Behaviors: A Randomized Placebo-Controlled Trial on Healthy Adults.
Morales-Torres, R, Carrasco-Gubernatis, C, Grasso-Cladera, A, Cosmelli, D, Parada, FJ, Palacios-García, I
Nutrients. 2023;15(7)
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The microbiota-gut-brain axis refers to the complex communication system between the human gastrointestinal tract, the micro-organisms which inhabit it, and the peripheral and central nervous systems. In recent years, human trials have linked the microbiome with specific processes that are expected to contribute to well-being. The aim of this study was to assess the effect of a psychobiotic formulation specifically on well-being, exploring the extent to which these effects might be modulated by lifestyle factors such as diet, physical activity, social connectedness, and others. This study was a four week, double-blind, randomised, placebo-controlled trial. Participants were randomised into one of two groups; placebo or probiotic group. Results showed that there were no significant effects of probiotics on a set of psychological measures of well-being. However, further analysis revealed that healthy lifestyle behaviours were significantly correlated with wellbeing across scales. Authors conclude that their findings demonstrate the need of controlling lifestyle variables as a standard practice in human microbiome research and mental health research in general.
Abstract
Psychobiotics are modulators of the Microbiota-Gut-Brain Axis (MGBA) with promising benefits to mental health. Lifestyle behaviors are established modulators of both mental health and the MGBA. This randomized placebo-controlled clinical trial (NCT04823533) on healthy adults (N = 135) tested 4 weeks of probiotic supplementation (Lactobacillus helveticus R0052 and Bifidobacterium longum R0175). We assessed effects on wellbeing, quality of life, emotional regulation, anxiety, mindfulness and interoceptive awareness. We then analyzed if lifestyle behaviors modulated probiotic effectiveness. Results showed no significant effects of probiotic intake in whole sample outcomes. Correlational analyses revealed Healthy Behaviors were significantly correlated with wellbeing across scales. Moreover, the linear mixed-effects model showed that the interaction between high scores in Healthy Behaviors and probiotic intake was the single significant predictor of positive effects on anxiety, emotional regulation, and mindfulness in post-treatment outcomes. These findings highlight the relevance of controlling for lifestyle behaviors in psychobiotic and mental health research.
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Gluten and FODMAPs Relationship with Mental Disorders: Systematic Review.
Aranburu, E, Matias, S, Simón, E, Larretxi, I, Martínez, O, Bustamante, MÁ, Fernández-Gil, MDP, Miranda, J
Nutrients. 2021;13(6)
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There is growing evidence that gluten and FODMAPs, such as fermentable oligosaccharides, disaccharides, monosaccharides and polyols, can cause gastrointestinal symptoms, inflammation, and immune responses in patients with celiac disease and irritable bowel syndrome. In addition, a high intake of gluten and FODMAPs may also be associated with neurological and psychiatric disorders. Thirteen studies were included in this systematic review to examine the relationship between gluten and FODMAP consumption and illnesses affecting the central nervous system. In addition, the studies examined the effects of potential dietary strategies that consider gluten and FODMAP intake on mental disorders, anxiety, depression, schizophrenia, Alzheimer’s disease, and autism spectrum disorders. Several possible mechanisms identified in this systematic review could contribute to neurological and psychiatric disorders, including the release of proinflammatory cytokines, immune responses, gut dysbiosis, intestinal permeability, and interactions between the gut-brain axis. In patients with fibromyalgia, celiac disease, and irritable bowel syndrome, avoiding or limiting gluten may reduce depression, anxiety, and cognitive impairment. However, the effects of a low-FODMAP diet on the central nervous system are inconclusive. There is some evidence that gluten-free diets can improve cognition in schizophrenia patients. In addition, those with autism spectrum disorders may benefit from a gluten-free diet and a low-FODMAP diet. Further robust research is required to evaluate the beneficial effects of interventions that avoid or restrict the consumption of foods high in FODMAPs and gluten. However, healthcare professionals can use the results of this systematic review to understand the potential benefits of therapeutic interventions that consider the intake of FODMAPs and gluten on illnesses affecting the central nervous system and their possible mechanisms of action.
Abstract
Nowadays, gluten and FODMAP food components (fermentable oligosaccharides, disaccharides, monosaccharides and polyols) are increasingly studied due to their possible relation with extraintestinal-associated conditions. In recent years, gluten-free diets (GFD) and low-FODMAP diets (LFD) are becoming more popular not only in order to avoid the food components that cause intolerances or allergies in some people, but also due to the direct influence of marketing movements or diet trends on feeding habits. Likewise, neurological and psychiatric diseases are currently of increasing importance in developed countries. For this reason, a bibliographic systematic review has been carried out to analyse whether there is a pathophysiological relationship between the dietary intake of gluten or FODMAPs with mental disorders. This review collects 13 clinical and randomized controlled trials, based on the PRISMA statement, which have been published in the last ten years. Based on these results, limiting or ruling out gluten or FODMAPs in the diet might be beneficial for symptoms such as depression, anxiety (7 out of 7 articles found any positive effect), or cognition deficiency (improvements in several cognition test measurements in one trial), and to a lesser extent for schizophrenia and the autism spectrum. Nevertheless, further studies are needed to obtain completely reliable conclusions.
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Mental awareness improved mild cognitive impairment and modulated gut microbiome.
Khine, WWT, Voong, ML, Ng, TKS, Feng, L, Rane, GA, Kumar, AP, Kua, EH, Mahendran, R, Mahendran, R, Lee, YK
Aging. 2020;12(23):24371-24393
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The gut microbiome and brain communicate through various pathways via the gut-brain axis. While this relationship is becoming more established, no current studies have demonstrated whether cognitive decline or cognitive stimulation directly impact the makeup of the gut microbiome. The aim of this study was to assess the efficacy of cognitive stimulation through a mindfulness practice in modulating the gut microbiome in patients experiencing mild cognitive impairment (MCI). In this study, 123 elderly individuals were given cognitive function tests and classified as either Normal Aging or MCI, and their gut microbiota profiles were assessed to establish baseline data between the two groups. Half of the MCI patients were randomly assigned to participate in a weekly mindfulness program for three months, and then monthly for six months, and stool and blood samples were collected at baseline, three months, and nine months. This study found an alteration in cognitive capacity led to the changes in specific microbiota in elderly adults diagnosed with MCI. Based on these results, the authors highlight the brain to gut microbiota communication pathway and propose the gut microbiome be considered as a risk factor of MCI.
Abstract
There is ample scientific and clinical evidence of the effects of gut microbiota on the brain but no definitive evidence that the brain can affect changes in gut microbiota under the bi-directional gut-brain axis concept. As there is no pharmacotherapeutic intervention for the early stages of cognitive decline, research has focused on cognitive stimulation in reversing or slowing the impairment. Elderly patients diagnosed with mild cognitive impairment underwent a randomized-control trial of mindful awareness practice. Neuropsychological assessments, inflammatory markers, and gut microbiota profiles were tested. Here, we report that their cognitive impairment was improved and associated with changes in gut bacterial profile. A cognition-score-dependent-abundance was observed in Ruminococcus vs Recognition Trials (RT), Digit Span Backward (DSB), Semantic Fluency Span (SFS) and Memory Domain (MD); Coprococcus vs DSB, Color Trails Test 2 (CTT2) and Block Design (BD); Parabacteroides vs DSB and SFS; Fusobacterium vs DSB and CTT2; Enterobacteriaceae vs BD and SFS; Ruminococcaceae vs DSB; Phascolarctobacterium vs MD. The study showed for the first-time, alteration in the cognitive capacity leading to the corresponding changes in microbiota profiles. This strongly suggests that signals from the different segments of brain could dictate directly or indirectly the abundances of specific gut microbes.
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Harnessing the Power of Microbiome Assessment Tools as Part of Neuroprotective Nutrition and Lifestyle Medicine Interventions.
Toribio-Mateas, M
Microorganisms. 2018;6(2)
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This is a practical review written by a clinician for other clinicians. It draws from an extensive body of evidence on the links between the gut microbes (bacteria amongst them), called the microbiota, both in health and in a variety of human diseases. The author, who is also a researcher in the communication between the gut and the brain (the gut-brain axis), focuses on the translation of science into simple clinical applications that result in measurable health outcomes, and in particular in neurodegenerative conditions such as Alzheimer's and Parkinson's, but also other less well studied such as Chronic Fatigue Syndrome (CFS). The paper also covers mental health / mood conditions such as anxiety, and depression. Practitioners who work in the area of gut health and use stool tests to assess various imbalances their patients may be experiencing will get the most out this paper. The author takes a look at the physiological processes that influence gastrointestinal as well as brain health and discusses how tools such as the characterisation or "mapping" of commensal bacteria (the bacteria that lives inside our guts normally), along with the identification of potential opportunistic and pathogenic bacteria and parasites, together with knowledge of molecules such as short chain fatty acids or zonulin can enable better clinical decision making by nutrition and lifestyle medicine practitioners. The paper also includes a valuable discussion on patient-reported outcome measures (PROMs), and particularly on the use of MYMOP by practitioners as a validated tool to collect insight from exposure to real world data in clinical practice.
Abstract
An extensive body of evidence documents the importance of the gut microbiome both in health and in a variety of human diseases. Cell and animal studies describing this relationship abound, whilst clinical studies exploring the associations between changes in gut microbiota and the corresponding metabolites with neurodegeneration in the human brain have only begun to emerge more recently. Further, the findings of such studies are often difficult to translate into simple clinical applications that result in measurable health outcomes. The purpose of this paper is to appraise the literature on a select set of faecal biomarkers from a clinician’s perspective. This practical review aims to examine key physiological processes that influence both gastrointestinal, as well as brain health, and to discuss how tools such as the characterisation of commensal bacteria, the identification of potential opportunistic, pathogenic and parasitic organisms and the quantification of gut microbiome biomarkers and metabolites can help inform clinical decisions of nutrition and lifestyle medicine practitioners.
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Bacillus coagulans MTCC 5856 for the management of major depression with irritable bowel syndrome: a randomised, double-blind, placebo controlled, multi-centre, pilot clinical study.
Majeed, M, Nagabhushanam, K, Arumugam, S, Majeed, S, Ali, F
Food & nutrition research. 2018;62
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Bacillus coagulans, also known as Lactobacillus sporogenes, is a probiotic bacterium in spore form that "opens up" in the small intestine, thereby enduring minimal damage by the acidity of the stomach pH. Bacillus coagulans MTCC 5856 supplemented orally in doses of 2 billion spores twice per day (a total of 4 billion per day) has been shown previously to help in the management of diarrhoea. The current study is randomised and controlled, and focused on finding out what effect this probiotic would have on the depressive symptoms often experienced by people with irritable bowel syndrome or IBS. A total of 40 participants were randomised to the probiotic group, which means that 20 of them just took an empty capsule without any Bacillus coagulans to figure out whether the effects of the supplementation were just due to chance or placebo. Neither the clinician administering the probiotic or the participants knew whether they were taking the probiotic or an empty capsule. The study lasted for 90 days. Those who did take the probiotic at 4 billion spores per day (2 billion morning and 2 billion evening) experienced an improvement in both depression and IBS symptoms that was statistically significant and clinically meaningful. Even though this was a small study, it is worth taking into account that the safety of supplementation with Bacillus coagulans has been documented in previous studies. Therefore, nutrition and lifestyle practitioners looking to support their patients' mental health by working upstream from the gut may wish to consider adding this probiotic bacterium to their recommendations on the basis of its potential psychobiotic properties.
Abstract
BACKGROUND The modification of microbial ecology in human gut by supplementing probiotics may be an alternative strategy to ameliorate or prevent depression. OBJECTIVE The current study was conducted to assess the safety and efficacy of the probiotic strain Bacillus coagulans MTCC 5856 for major depressive disorder (MDD) in IBS patients. METHOD Patients (n = 40) diagnosed for MDD with IBS were randomized (1:1) to receive placebo or B. coagulans MTCC 5856 at a daily dose of 2 × 109 cfu (2 billion spores) and were maintained to the end of double-blind treatment (90 days). Changes from baseline in clinical symptoms of MDD and IBS were evaluated through questionnaires. RESULTS Significant change (p = 0.01) in favour of the B. coagulans MTCC 5856 was observed for the primary efficacy measure Hamilton Rating Scale for Depression (HAM-D), Montgomery-Asberg Depression Rating Scale (MADRS), Center for Epidemiological Studies Depression Scale (CES-D) and Irritable bowel syndrome quality of life questionnaire (IBS-QOL). Secondary efficacy measures i.e. Clinical Global Impression-Improvement rating Scale (CGI-I), Clinical Global Impression Severity rating Scale (CGI-S), Gastrointestinal Discomfort Questionnaire (GI-DQ) and Modified Epworth Sleepiness Scale (mESS) also showed significant results (p = 0.01) in B. coagulans MTCC 5856 group compared to placebo group except dementia total reaction scoring. Serum myeloperoxidase, an inflammatory biomarker was also significantly reduced (p < 0.01) when compared with the baseline and end of the study. All the safety parameters remained well within the normal clinical range and had no clinically significant difference between the screening and at the end of the study. CONCLUSION B. coagulans MTCC 5856 showed robust efficacy for the treatment of patients experiencing IBS symptoms with major depressive disorder. The improvement in depression and IBS symptoms was statistically significant and clinically meaningful. These findings support B. coagulans MTCC 5856 as an important new treatment option for major depressive disorder in IBS patients.
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Inflammatory bowel diseases: a burden in pediatrics: Case series and a review of the literature.
Mărginean, CO, Meliţ, LE, Mocanu, S, Mărginean, MO
Medicine. 2017;96(11):e6329
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Inflammatory bowel disease (IBD) is a disorder of the digestive tract and is of two types –Ulcerative colitis and Crohn’s disease. IBD can occur at any age but it seems, it's on increase in children especially in developed countries. The etiology of IBD is not fully understood, though the prognosis depends on the number of relapses. This study is a review based on four cases of IBD presenting in children under the age of 16. The authors found that emotional disorders and stress are often the common factors encountered in IBD patients. Also, a diet high in animal fat and low in fruit and vegetable seems to be associated with increased risk of IBD. The authors concluded that intervention of defined formula diet and supplementation of vitamin D showed positive outcomes in IBD sufferers. However, alongside medical approach for the treatment of IBD, educational intervention as well as addressing the emotional disorders may be helpful in the management of IBD.
Abstract
INTRODUCTION Inflammatory bowel disease is a chronic condition of the gastrointestinal tract, comprising mainly Crohn disease (CD) and ulcerative colitis (UC). Both of them are frequently encountered in children, being multifactorial conditions, with an unclear etiology. PATIENTS CONCERNS We present 4 cases of inflammatory bowel disease (IBD) in children in order to underline the variable evolution depending on the patient's particularities. DIAGNOSIS, INTERVENTIONS AND OUTCOMES The first case, a 13-year-old male patient, with a history of Henoch-Schonlein purpura, was admitted for rectal bleeding and weight loss, with normal laboratory parameters. The colonoscopy and the histopathological examination established the diagnosis of UC. The evolution was initially favorable under corticosteroids and sulfasalazine, but with 3 relapses in 2 years. The second case, a 16-year-old male patient, with a history of lactose intolerance and constipation, was admitted for bloody, diarrheic stools, the laboratory tests pointing out only leukocytosis with neutrophilia. The colonoscopy and histopathological examination established the diagnosis of UC. The patient's evolution was slowly favorable. The third case, a 9-year old male patient, with emotional disorders and babbling, admitted for semiconsistent, bloody stools, with increased inflammatory tests, whose colonoscopy pointed out diffuse edema and hemorrhages, the histopathological examination establishing the diagnosis of CD. The evolution was initially favorable, but with 5 relapses in 3 years. The last case, a 12-year-old male patient, was admitted with diarrheic, bloody stools, refractory to antibiotics, and weight loss, with increased inflammatory tests. The colonoscopy pointed out ulcerations, hemorrhages, and disseminated puss deposits. The histopathological examination established the diagnosis of CD. The patient's evolution was favorable, with only 1 relapse in 3 years. CONCLUSIONS The adequate management, especially the self-management can influence the prognosis of patients with IBD, even though it is unpredictable and burdened by the risk of malignant transformation.