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Depression: 21st Century Solutions + The Dark Side of Wheat

Abstract Title:

STAT3 in the Systemic Inflammation of Cancer Cachexia.

Abstract Source:

Semin Cell Dev Biol. 2016 Feb 6. Epub 2016 Feb 6. PMID: 26860754

Abstract Author(s):

Teresa A Zimmers, Melissa L Fishel, Andrea Bonetto

Article Affiliation:

Teresa A Zimmers

Abstract:

Weight loss is diagnostic of cachexia, a debilitating syndrome contributing mightily to morbidity and mortality in cancer. Most research has probed mechanisms leading to muscle atrophy and adipose wasting in cachexia; however cachexia is a truly systemic phenomenon. Presence of the tumor elicits an inflammatory response and profound metabolic derangements involving not only muscle and fat, but also the hypothalamus, liver, heart, blood, spleen and likely other organs. This global response is orchestrated in part through circulating cytokines that rise in conditions of cachexia. Exogenous Interleukin-6 (IL6) and related cytokines can induce most cachexia symptomatology, including muscle and fat wasting, the acute phase response and anemia, while IL-6 inhibition reduces muscle loss in cancer. Although mechanistic studies are ongoing, certain of these cachexia phenotypes have been causally linked to the cytokine-activated transcription factor, STAT3, including skeletal muscle wasting, cardiac dysfunction and hypothalamic inflammation. Correlative studies implicate STAT3 in fat wasting and the acute phase response in cancer cachexia. Parallel data in non-cancer models and disease states suggest both contributory and protective functions for STAT3 in other organs during cachexia. Finally, STAT3 contributes to cancer cachexia through enhancing tumorigenesis, metastasis and immune suppression, particularly in tumors associated with high prevalence of cachexia. This review examines the evidence linking STAT3 to multi-organ manifestations of cachexia in cancer and evidence for targeting STAT3 for anti-cachexia therapies.

Study Type : Review
Additional Links
Pharmacological Actions : STAT3 Inhibitor : CK(53) : AC(31)

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Sayer Ji
Founder of GreenMedInfo.com

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Depression: 21st Century Solutions + The Dark Side of Wheat

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