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Histamine

Histamine

(Science: biochemistry) formed by decarboxylation of histidine. Potent pharmacological agent acting through receptors in smooth muscle and in secretory systems.

stored in mast cells and released by antigen. (see hypersensitivity). Responsible for the early symptoms of anaphylaxis. Also present in some venoms. Amine formed from histidine that stimulates gastric secretions and dilates blood vessels; released by the humane immune system during allergic reactions.A chemical that is produced particularly by leucocytes that results in blood vessels becoming more permeable and in turn lose fluid to the tissues. This can result in localised swelling, and is a direct response to the presence of an [[antigen.


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Is thiamin (thiamine) amine or not?

Examples of amines in the Merriam-Webster dictionary include dopamine and histamine, in both of which, amino group is attached to a carbohydrate chain, not to the ring. Yes, in thiamin, NH2 is attached directly to the ring.

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by boron
Fri Jan 23, 2015 11:08 am
 
Forum: Human Biology
Topic: Is thiamin (thiamine) amine or not?
Replies: 2
Views: 1521

Re: Stomach bloating and weight gain

... a Dairy allergy. I felt tired and achy all the time too, like I had the flu on the way. The swollen stomach is actually fluid retention down to histamine and not gas as I thought, no wonder all the IBS meds never worked!! Recently diagnosed and already feeling better for cutting out Dairy... ...

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by DizzyDolly
Fri Jun 08, 2012 8:31 am
 
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 453
Views: 2911316

Evolution of itch

... or atopic dermatitis or dry skin etc. etc.) are not relevant, because the reason for those is quite likely just a side effect of the release of histamine and other such cellular mediators - and in any case the etiology of the problem is entirely different. But back to the original problem. Quite ...

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by biohazard
Wed Mar 07, 2012 10:10 am
 
Forum: Evolution
Topic: Evolution of itch
Replies: 3
Views: 3764

Re:

... - different types of intestinal bacteria - why probiotics do not stay in the intestinal track - purpose of intestinal bacteria - food intolerance, histamine, stomach bloating - food intolerance histamine health issues - food intolerance histamine treatments cures - food intolerance cause of weight ...

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by CheeMiss
Mon Sep 27, 2010 1:55 pm
 
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 453
Views: 2911316

Re:

... of clinic/hospital that sees patients without any health insurance. There just must be.....search around for that 1st. Having said, apparently histamine in the body in overdrive mode, does create a lot of problems. pls. google search: mast cells, ketotifen and search around the links for something ...

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by CheeMiss
Wed Sep 15, 2010 10:40 pm
 
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 453
Views: 2911316
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