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Natural STAT3 Inhibitors, Genes & Inflammation

Written by Joe Cohen, BS | Reviewed by Nattha Wannissorn, PhD (Molecular Genetics) | Last updated:

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Are you too thin suffering from chronic inflammation/autoimmune diseases such as IBD or Th1/Th17 dominance? Obese? Do you have cancer?

If so, then there’s a good chance that STAT3 is contributing to your problems.

What is STAT3?

STAT3 is a protein that binds to DNA and increases the expression of certain genes.

The STAT3 pathway is used by a variety of cytokines, hormones and growth factors to increase blood cell formation, immune cell development, stem cell maintenance, and growth. However, chronic activation of STAT3 underlies various diseases or disorders, such as cancer or obesity [1].

The Benefits of STAT3

Mice with defective or less STAT3 develop insulin resistance [2].

Mice with a disruption of neural STAT3 causes obesity, diabetes, infertility, and thermal dysregulation [2].

STAT3 in the liver contributes to the brain insulin action leading to the suppression of glucose production [2].

STAT3 is able to activate several pathways related to liver regeneration and acute inflammatory reaction after liver injury [2].

Less STAT3 can contribute to fatty liver disease, and STAT3 gene variants are associated with it [2].

STAT3 has some anti-cancer properties. In particular, it’s needed for the anti-tumor effects of interferon-alpha in Chronic Myelogenous Leukemia (CML) [3].

In obesity, chronic STAT3 is activated in the brain by increased leptin levels leading to the development of leptin resistance, whereas in the peripheral organs chronic IL-6-induced JAK-STAT3 impairs insulin action. We report the consequences of chronic JAK-STAT3 induced signaling as present under obese conditions in the main metabolic organs [1].

Cells/tissues without STAT3 shows impaired pathogen response [4].

When cells completely lose STAT3 function people can develop excess IgE responses [4].

Mice lacking STAT3 specifically in the liver have insulin resistance and glucose intolerance when fed a high-fat diet and restoration of STAT3 expression in these mice corrected the abnormalities [2].

STAT3 plays an important role in the induction of liver acute-phase genes in response to bacterial LPS [2].

STAT3 action in the mouse hypothalamus and liver appears essential for normal body weight and glucose homeostasis in response to the actions of both leptin and insulin [5].

The Negatives of STAT3

STAT3 contributes to the development of IBD in mice and genetic studies [6].

Mice without STAT3 in T cells are resistant to animal models of multiple sclerosis (MS) [6].

Specifically, inhibiting STAT3 will inhibit Th1 and Th17 cells [7], which are immune cells involved in autoimmunity.

All in all, STAT3 plays an important role in autoimmune and inflammatory diseases and some cancers.

STAT3 produces pro-cancer products such as MMP-3, MMP-9, VEGF, HIF-1a, COX2, IL-6, IL-23 and ICAM1 [8].

The Thin/Inflammation Phenotype vs The Obese Standard American

A question I ponder sometimes is that the people who are thin in some ways are more likely to have inflammation problems.

There are many reasons for this. For example, one reason I mentioned previously has to do with PPAR gamma.

STAT3 is another one of those proteins which if inhibited or if it’s not working right will cause insulin and leptin resistance and obesity.

On the other hand, if it’s overactive, it will cause autoimmune conditions, inflammation, and cancer.

So STAT3 has good and bad properties. You can look at your genes at the end.

Natural STAT3 Inhibitors

STAT3 Activators

STAT3 SelfDecode Genes

Check out SelfDecode to see your genotypes.

rs744166 G/A

The A allele is presumably higher STAT3, as it increases autoimmune disease risk, but makes you thinner. About half of the alleles in a population are A.

There are a few studies showing a relationship between STAT3 SNPs and IBD [6].

  • AA=1.5X Ulcerative Colitis risk [46]
  • A=1.2X increased risk of Crohn’s [47]
  • G=2.22X increased risk of abdominal obesity, lower STAT3 [48] – Saturated fat intake exacerbated these effects; among all participants with the highest saturated fat intake (> or =15.5% of energy), people with GG had a 3.30X increased risk for obesity [48].
  • GG=1.82X increased risk of Psoriatic arthritis, G=1.35X [49]

rs6503691 C/T

CC=more STAT3 production in people, (better for CML) [50].

C is the more common allele. About 33% of the alleles in a population are T.

rs9891119 A/C

C is higher STAT3.

A=lower STAT3, 2.5X more likely to have fatty liver disease [2].

A is the more common allele. About 39% of the alleles in a population are C.

rs8069645 A/G

Probably G has higher STAT3.

G=increased risk of abdominal obesity [48].

About 31% of the alleles in a population are G.

Want More Targeted Ways to Combat Inflammation?

If you’re interested in natural and more targeted ways of lowering your inflammation, we at SelfHacked recommend checking out this inflammation wellness report. It gives genetic-based diet, lifestyle and supplement tips that can help reduce inflammation levels. The recommendations are personalized based on your genes.

SelfDecode is a sister company of SelfHacked. The proceeds from your purchase of this product are reinvested into our research and development, in order to serve you better. Thank you for your support.

About the Author

Joe Cohen, BS

Joe Cohen won the genetic lottery of bad genes. As a kid, he suffered from inflammation, brain fog, fatigue, digestive problems, anxiety, depression, and other issues that were poorly understood in both conventional and alternative medicine.Frustrated by the lack of good information and tools, Joe decided to embark on a journey of self-experimentation and self-learning to improve his health--something that has since become known as “biohacking”. With thousands of experiments and pubmed articles under his belt, Joe founded SelfHacked, the resource that was missing when he needed it. SelfHacked now gets millions of monthly readers.Joe is a thriving entrepreneur, author and speaker. He is the CEO of SelfHacked, SelfDecode and LabTestAnalyzer.His mission is to help people gain access to the most up-to-date, unbiased, and science-based ways to optimize their health.
Joe has been studying health sciences for 17 years and has read over 30,000 PubMed articles. He's given consultations to over 1000 people who have sought his health advice. After completing the pre-med requirements at university, he founded SelfHacked because he wanted to make a big impact in improving global health. He's written hundreds of science posts, multiple books on improving health, and speaks at various health conferences. He's keen on building a brain-trust of top scientists who will improve the level of accuracy of health content on the web. He's also founded SelfDecode and LabTestAnalyzer, popular genetic and lab software tools to improve health.

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