Contribution of Colonic Fermentation and Fecal Water Toxicity to the Pathophysiology of Lactose-Intolerance Article Swipe
Karen Windey
,
Els Houben
,
Lise Deroover
,
Kristin Verbeke
·
YOU?
·
· 2015
· Open Access
·
· DOI: https://doi.org/10.3390/nu7095349
YOU?
·
· 2015
· Open Access
·
· DOI: https://doi.org/10.3390/nu7095349
Whether or not abdominal symptoms occur in subjects with small intestinal lactose malabsorption might depend on differences in colonic fermentation. To evaluate this hypothesis, we collected fecal samples from subjects with lactose malabsorption with abdominal complaints (LM-IT, n = 11) and without abdominal complaints (LM-T, n = 8) and subjects with normal lactose digestion (NLD, n = 15). Lactose malabsorption was diagnosed using a 13C-lactose breath test. Colonic fermentation was characterized in fecal samples at baseline and after incubation with lactose for 3 h, 6 h and 24 h through a metabolomics approach using gas chromatography-mass spectrometry (GC-MS). Fecal water cytotoxicity was analyzed using a colorimetric assay. Fecal water cytotoxicity was not different between the three groups (Kruskall-Wallis p = 0.164). Cluster analysis of the metabolite patterns revealed separate clusters for NLD, LM-T and LM-IT samples at baseline and after 24 h incubation with lactose. Levels of 5-methyl-2-furancarboxaldehyde were significantly higher in LM-IT and LM-T compared to NLD whereas those of an unidentified aldehyde were significantly higher in LM-IT compared to LM-T and NLD. Incubation with lactose increased short chain fatty acid (SCFA) concentrations more in LM-IT and LM-T compared to NLD. In conclusion, fermentation patterns were clearly different in NLD, LM-IT and LM-T, but not related to differences in fecal water cytotoxicity.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/nu7095349
- https://www.mdpi.com/2072-6643/7/9/5349/pdf?version=1441716450
- OA Status
- gold
- Cited By
- 26
- References
- 32
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W1756748146
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
-
https://openalex.org/W1756748146Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.3390/nu7095349Digital Object Identifier
- Title
-
Contribution of Colonic Fermentation and Fecal Water Toxicity to the Pathophysiology of Lactose-IntoleranceWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2015Year of publication
- Publication date
-
2015-09-08Full publication date if available
- Authors
-
Karen Windey, Els Houben, Lise Deroover, Kristin VerbekeList of authors in order
- Landing page
-
https://doi.org/10.3390/nu7095349Publisher landing page
- PDF URL
-
https://www.mdpi.com/2072-6643/7/9/5349/pdf?version=1441716450Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
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https://www.mdpi.com/2072-6643/7/9/5349/pdf?version=1441716450Direct OA link when available
- Concepts
-
Lactose intolerance, Pathophysiology, Lactose, Fermentation, Feces, Toxicity, Gastroenterology, Food science, Medicine, Microbiology, Chemistry, Biology, Internal medicineTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
26Total citation count in OpenAlex
- Citations by year (recent)
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2025: 3, 2024: 2, 2023: 2, 2022: 2, 2020: 1Per-year citation counts (last 5 years)
- References (count)
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32Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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| abstract_inverted_index.malabsorption | 12, 32, 59 |
| abstract_inverted_index.significantly | 149, 165 |
| abstract_inverted_index.concentrations | 183 |
| abstract_inverted_index.(Kruskall-Wallis | 117 |
| abstract_inverted_index.chromatography-mass | 95 |
| abstract_inverted_index.5-methyl-2-furancarboxaldehyde | 147 |
| cited_by_percentile_year.max | 99 |
| cited_by_percentile_year.min | 89 |
| corresponding_author_ids | https://openalex.org/A5042026584 |
| countries_distinct_count | 1 |
| institutions_distinct_count | 4 |
| corresponding_institution_ids | https://openalex.org/I99464096 |
| sustainable_development_goals[0].id | https://metadata.un.org/sdg/6 |
| sustainable_development_goals[0].score | 0.7699999809265137 |
| sustainable_development_goals[0].display_name | Clean water and sanitation |
| citation_normalized_percentile.value | 0.86991922 |
| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | False |