http://www.cnr.it/ontology/cnr/individuo/prodotto/ID283801
Influence on functional parameters of intestinal tract induced by short-term exposure to fumonisins contaminated corn chyme samples (Articolo in rivista)
- Type
- Label
- Influence on functional parameters of intestinal tract induced by short-term exposure to fumonisins contaminated corn chyme samples (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.fct.2014.01.039 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Minervini F.; Debellis L.; Garbetta A.; De Girolamo A.; Schena R.; Portincasa P.; Visconti A. (literal)
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- http://www.scopus.com/inward/record.url?eid=2-s2.0-84894136470&partnerID=q2rCbXpz (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
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- National Research Council of Italy (CNR), Institute of Sciences of Food Production (ISPA), Via G. Amendola 122/O, 70125 Bari, Italy; Department of Bioscience, Biotechnologies and Biopharmaceutics, University of Bari Aldo Moro, Via E. Orabona 4, 70125 Bari, Italy; Department of Biomedical Sciences and Human Oncology, University of Bari Medical School, Piazza G. Cesare, 70100 Bari, Italy (literal)
- Titolo
- Influence on functional parameters of intestinal tract induced by short-term exposure to fumonisins contaminated corn chyme samples (literal)
- Abstract
- [object Object]The gut is a possible target toward mycotoxin fumonisins (FBs) exposure. The study aims to investigate
the effects induced by FBs contaminated-corn chyme samples on functional parameters of human and rat
intestine by using Ussing chamber. Fumonisins-contaminated corn and processed corn samples were
undergone to in vitro digestion process and then added to luminal side. A reduction (about 90%) of short
circuit current (Isc lA/cm2) during exposure of human colon tissues to fumonisins-free corn chyme samples
was observed, probably related to increased chyme osmolality. This hyperosmotic stress could drain
water towards the luminal compartment, modifying Na+ and Cl? transports. The presence of FBs in corn
chyme samples, independently to their concentration, did not affect significantly the Isc, probably related
to their interference towards epithelial Na+ transport, as assessed by using a specific inhibitor (Amiloride).
The rat colon tract represents a more accessible model to study FBs toxicity showing a similar functional
response to human. In the rat small intestine a significant reduction (about 15%) of Isc parameter
during exposure to uncontaminated or FBs contaminated corn chyme samples was observed; therefore
such model was not suitable to assess the FBs toxicity, probably because the prevalent glucose and amino
acids electrogenic absorption overwhelmed the FBs influence on ionic transport. (literal)
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