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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Miledi, Ricardo Limon, Agenor Reyes-Ruiz, Jorge M. Alshanqeeti, Ali S. Gallegos-Perez, Jose-Luis Aljohi, Mohammad A. |
| Copyright Year | 2014 |
| Abstract | Milk is one of the most beneficial aliments and is highly recommended in normal conditions; however, in certain disorders, like irritable bowel syndrome, cow milk and dairy products worsen the gastric symptoms and their use is not recommended. Among the most recognized milk-induced gatrointestinal symptoms are abdominal pain, nausea and vomiting, which are processes controlled by cholinergic and serotonergic transmission. Whether the presence of bioavailable ACh and 5-HT in milk may contribute to normal peristalsis, or to the developing of these symptoms, is not known. In this work we attempt to determine whether the content of free ACh and 5-HT is of physiological significance in milk from four different species: cow (bovine), goat, camel and human. Liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) was used to identify and quantify free ACh and 5-HT in milk, and activation of the serotonergic and cholinergic ionotropic receptors was investigated using electrophysiological experiments. Our principal hypothesis was that milk from these four species had sufficient free ACh and 5-HT to activate their correspondent receptors expressed in a heterologous system. Our results showed a more complex picture, in which free ACh and 5-HT and their ability to activate cholinergic and serotonergic receptors are not correlated. This work is a first step to elucidate whether 5-HT and ACh, at the concentrations present in the milk, can be associated to a direct function in the GI. |
| Starting Page | 1489 |
| Ending Page | 1494 |
| Page Count | 6 |
| File Format | HTM / HTML PDF |
| ISSN | 20426496 |
| Volume Number | 5 |
| Issue Number | 7 |
| Journal | Food & Function |
| DOI | 10.1039/c3fo60458f |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Irritable bowel syndrome Syndrome Nausea Cholinergic Serotonin Peristalsis Goat Camel Chromatography Ligand-gated ion channel 5-HT receptor |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Food Science |
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