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Blocking Interleukin-15 May Treat Celiac Disease Symptoms


New study on blocking Interleukin-15 to treat celiac disease symptoms

Celiac.com 03/18/2011 - By blocking an inflammatory protein called interleukin-15 (IL-15), doctors may be able to treat and prevent symptoms of celiac disease in some people, according to a new study in the journal Nature.

The data suggest that the inflammatory response to gluten in people with celiac disease may be triggered by interleukin-15 and retinoic acid, which is a derivative of vitamin A.

The team notes that researchers previously thought that retinoic acid would lessen the inflammation in the intestine. Instead their study showed that it might actually worsen inflammation.

According to Bana Jabri, MD, PhD, a member of the Celiac Disease Center and Comprehensive cancer Center at the University of Chicago, the team results showed that "elevated levels of IL-15 in the gut could initiate all the early stages of celiac disease in those who were genetically susceptible, and that blocking IL-15 could prevent the disease in our mouse model. It also demonstrated that in the treatment of inflammatory intestinal diseases, vitamin A and its retinoic acid metabolites are likely to do more harm than good.”

The researchers found that by blocking IL-15 in mice that were genetically engineered to have celiac disease, they were able to reverse the symptoms, and the mice were able to eat gluten without suffering the symptoms of celiac disease.

One reason this is good news, is that a number of medicines designed to block IL-15 are already being developed for other inflammation related diseases, such as rheumatoid arthritis.

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9 Responses:

 
jim bindon
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said this on
21 Mar 2011 12:44:45 PM PST
Excellent information. keep it coming. Thank you

 
darlene
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said this on
21 Mar 2011 3:30:28 PM PST
By blocking the symptoms are we getting rid of the disease or just masking what the disease does to the body..that frightens me...most medicines today for anything in regular medical world will mask the symptoms..not get rid of..or prevent disease...

 
Linda
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said this on
21 Mar 2011 7:39:41 PM PST
Any and all research is welcome and needed.

 
Kristy Seifert
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said this on
22 Mar 2011 3:17:11 PM PST
Great to hear such encouraging news. Thanks for passing it along.

 
Helen Haas
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said this on
24 Mar 2011 1:22:41 PM PST
Anything that can help the situation is a plus, hope to hear more good news on celiac.

 
Patty Cook
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said this on
12 Apr 2011 4:05:25 PM PST
I am excited to hear more about this......keep the news coming.

 
dot
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said this on
14 Jun 2011 4:45:12 PM PST
I appreciate this article. No more cod liver oil for me? How do we test levels?

 
Beth Crow
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said this on
08 Aug 2011 12:31:19 PM PST
Hi, good article, so we should stay away from vitamin A?

 
Michael
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said this on
29 Mar 2012 3:03:05 AM PST
Immune responses induced by Pelargonium sidoides extract in serum and nasal mucosa of athletes after exhaustive exercise: modulation of secretory IgA, IL-6 and IL-15.

Phytomedicine. 2011 Feb 15;18(4):303-8

Authors: Luna LA, Bachi AL, Novaes e Brito RR, Eid RG, Suguri VM, Oliveira PW, Gregorio LC, Vaisberg M

Abstract
The evidence that exhaustive exercise may compromise the immune response is mainly confirmed by upper respiratory tract infections which are probably related to the decrease in secretory immunoglobulin A in the upper airway mucosa and/or profile changes of systemic cytokines as well as local cytokines of the upper respiratory tract. An extract from Pelargonium sidoides roots is currently used to treat infections in the upper airways. The aim of the present study was to evaluate the action of this herbal medicine on the immune response of athletes submitted to an intense running session by analyzing the production of immunoglobulin A in their saliva and of cytokines both locally and systemically, using a placebo as control. The results show that Pelargonium sidoides extract modulates the production of secretory immunoglobulin A in saliva, both interleukin-15 and interleukin-6 in serum, and interleukin-15 in the nasal mucosa. Secretory immunoglobulin A levels were increased, while levels of IL-15 and IL-6 were decreased. Based on this evidence, we suggest that this herbal medicine can exert a strong modulating influence on the immune response associated with the upper airway mucosa in athletes submitted to intense physical activity.
PMID: 20850953 [PubMed - indexed for MEDLINE]




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