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Deviations in human...
Deviations in human gut microbiota: a novel diagnostic test for determining dysbiosis in patients with IBS or IBD
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Casen, C. (author)
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Vebo, H. C. (author)
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Sekelja, M. (author)
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Hegge, F. T. (author)
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Karlsson, M. K. (author)
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Ciemniejewska, E. (author)
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Dzankovic, S. (author)
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Froyland, C. (author)
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Nestestog, R. (author)
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- Engstrand, L. (author)
- Karolinska Institutet
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Munkholm, P. (author)
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Nielsen, O. H. (author)
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Rogler, G. (author)
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- Simrén, Magnus, 1966 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition
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- Öhman, Lena, 1967 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institutionen för biomedicin, avdelningen för mikrobiologi och immunologi,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition,Institute of Biomedicine, Department of Microbiology and Immunology
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Vatn, M. H. (author)
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Rudi, K. (author)
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(creator_code:org_t)
- 2015-05-14
- 2015
- English.
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In: Alimentary Pharmacology & Therapeutics. - : Wiley. - 0269-2813 .- 1365-2036. ; 42:1, s. 71-83
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Abstract
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- BackgroundDysbiosis is associated with many diseases, including irritable bowel syndrome (IBS), inflammatory bowel diseases (IBD), obesity and diabetes. Potential clinical impact of imbalance in the intestinal microbiota suggests need for new standardised diagnostic methods to facilitate microbiome profiling. AimTo develop and validate a novel diagnostic test using faecal samples to profile the intestinal microbiota and identify and characterise dysbiosis. MethodsFifty-four DNA probes targeting 300 bacteria on different taxonomic levels were selected based on ability to distinguish between healthy controls and IBS patients in faecal samples. Overall, 165 healthy controls (normobiotic reference collection) were used to develop a dysbiosis model with a bacterial profile and Dysbiosis Index score output. The model algorithmically assesses faecal bacterial abundance and profile, and potential clinically relevant deviation in the microbiome from normobiosis. This model was tested in different samples from healthy volunteers and IBS and IBD patients (n=330) to determine the ability to detect dysbiosis. ResultsValidation confirms dysbiosis was detected in 73% of IBS patients, 70% of treatment-naive IBD patients and 80% of IBD patients in remission, vs. 16% of healthy individuals. Comparison of deep sequencing and the GA-map Dysbiosis Test, (Genetic Analysis AS, Oslo, Norway) illustrated good agreement in bacterial capture; the latter showing higher resolution by targeting pre-determined highly relevant bacteria. ConclusionsThe GA-map Dysbiosis Test identifies and characterises dysbiosis in IBS and IBD patients, and provides insight into a patient's intestinal microbiota. Evaluating microbiota as a diagnostic strategy may allow monitoring of prescribed treatment regimens and improvement in new therapeutic approaches.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Gastroenterologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Gastroenterology and Hepatology (hsv//eng)
Keyword
- IRRITABLE-BOWEL-SYNDROME
- FECAL MICROBIOTA
- INTESTINAL MICROBIOTA
- CROHNS-DISEASE
- TRANSPLANTATION
- DEPRESSION
- DIVERSITY
- CHILDREN
- THERAPY
- ADULTS
- Gastroenterology & Hepatology
- Pharmacology & Pharmacy
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Casen, C.
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Vebo, H. C.
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Sekelja, M.
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Hegge, F. T.
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Karlsson, M. K.
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Ciemniejewska, E ...
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show more...
-
Dzankovic, S.
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Froyland, C.
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Nestestog, R.
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Engstrand, L.
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Munkholm, P.
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Nielsen, O. H.
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Rogler, G.
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Simrén, Magnus, ...
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Öhman, Lena, 196 ...
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Vatn, M. H.
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Rudi, K.
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show less...
- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Gastroenterology ...
- Articles in the publication
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Alimentary Pharm ...
- By the university
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University of Gothenburg
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Karolinska Institutet