How Gut Bacteria Impact On Your Appetites?


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How Gut Bacteria Impact On Your Appetites?

GI bacteria play a role in affecting host’s appetites

In organism body, it is well known that beneficial bacteria are an essential part, so as the normal gastrointestinal (GI) bacteria.

While these bacteria play other roles too, recently Vic Norris of the University of Rouen, France, and coauthors is on the way to confirm another role for GI bacteria: that they might exert some control over hosts' appetites.

Now their findings could be seen on the online version of the Journal of Bacteriology.

They gained this conclusion by basing on their extensive observations for the known bacteria roles as well as their relationship to the host system.

Provided that bacteria both recognize and synthesize neuroendocrine hormones, people hypothesized that microbes within the gut comprise a community that forms a microbial organ interfacing with the mammalian nervous system that innervates the gastrointestinal tract.

The gut microbiota respond both to both the nutrients consumed by their hosts and to the state of their hosts as signaled by various hormones," write Norris et al. That communication presumably goes both ways: generate compounds that are used for signaling within the human system, including neurotransmitters such as GABA, amino acids such as tyrosine and tryptophan—which can be converted into the mood-determining molecules, dopamine and serotonin—and much else, says Norris.

Norris says, "By impacting on host signaling pathways, more and more studied have shown that gut bacteria might also involve in diseases, such as cancer, metabolic syndrome, and thyroid disease. Furthermore according to recent, pioneering studies, they may even influence mood disorders via actions on dopamine and peptides involved in appetite. The gut bacterium, Campilobacter jejuni, has been implicated in the induction of anxiety in mice."

But whether the gut floras actually influence our choice of food? Researchers found many experiments that could help answer this question, including epidemiological studies and others.


Article Link: How Gut Bacteria Impact On Your Appetites?

Tags: Gut Bacteria,  Appetites,  Signaling Pathway

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