Scientists find a new way to fight treatment-resistant cancers

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Cancer, in its many forms, has been a formidable foe for medical scientists worldwide.

However, recent findings from the Van Andel Institute have shed light on a critical gene mutation that could pave the way for more effective treatments for certain treatment-resistant cancers.

The Culprit: STK11 Gene Mutation

In a study published in Molecular Cell, the scientists detailed their findings on how the mutation in the STK11 gene sparks an uncontrollable inflammatory response.

This inflammation is like a chemical firestorm that damages healthy cells and encourages cancer growth.

Tumors that lose the STK11 gene are particularly hard to treat because they can withstand traditional chemotherapy and many of the latest immunotherapies.

The Domino Effect: Loss of LKB1 Protein

The mutation in the STK11 gene disrupts the gene’s encoded instructions, leading to lower levels of the LKB1 protein. LKB1 is a tumor suppressor protein that helps regulate cell growth.

Without enough LKB1, cells can grow out of control, leading to the development of cancerous cells.

This mutation is among the most common genetic alterations in several types of treatment-resistant cancers, including lung, pancreatic, and cervical cancers.

Additionally, it plays a significant role in the rare disease Peutz-Jehgers Syndrome, which causes digestive tract polyps and a higher risk of cancer.

The Inflammatory Storm and Epigenetic Changes

The role of the LKB1 protein extends to managing inflammation, a crucial part of the body’s defense mechanism against injury and infection.

When there’s not enough LKB1 due to the STK11 mutation, an epigenetic change takes place in cells, which influences how the DNA instructions are interpreted.

This triggers excessive inflammation that could push cells towards malignancy.

Looking Ahead: Potential Solutions and Therapies

Shelby Compton, a Ph.D. student at the Van Andel Institute Graduate School and the study’s first author, describes the situation as a “perfect storm of problems.”

However, these problems come with potential solutions. Compton hopes this work will guide new therapeutic strategies not only for cancer but also for Peutz-Jehgers Syndrome.

Russell Jones, Ph.D., the study’s corresponding author, emphasizes the next steps.

These include developing strategies to target inflammation in LKB1-associated cancers and further investigating the role of LKB1 in Peutz-Jehgers Syndrome.

The ultimate goal is to develop new, effective therapies for people suffering from these conditions.

In conclusion, this research marks a significant step in understanding how specific gene mutations contribute to cancer development.

The findings may bring hope to those battling treatment-resistant cancers and rare diseases

If you care about cancer, please read studies about a safer, more effective cancer therapy,  and vitamin D supplements could strongly reduce cancer death.

For more information about nutrition, please see recent studies that blackcurrants can reduce blood sugar after meal and results showing how drinking milk affects risks of heart disease and cancer.

The study was published in Molecular Cell.

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