Decoding the molecular mechanism via systems biology-based insights into neoschaftoside from Ailanthus altissima targeting lung cancer

by Dr Natalie Singh - Health Editor
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How Gut Bacteria Can Fight Cancer

How Gut Bacteria Can fight Cancer

for years, scientists have known that the trillions of bacteria living in our gut – called the gut microbiome – play a big role in our health. Now, research shows these tiny organisms may also be powerful allies in the fight against cancer.

How Gut Bacteria Help

The gut microbiome isn’t just about digestion. It influences our immune system, metabolism, and even our brain function. HereS how it can impact cancer:

  • Boosting the Immune System: Some gut bacteria help train our immune cells to recognize and attack cancer cells. A strong immune system is key to fighting off cancer.
  • Producing Helpful Substances: Bacteria can create substances like short-chain fatty acids (SCFAs). SCFAs, like butyrate, can help protect against cancer by reducing inflammation and even killing cancer cells.
  • Improving Chemotherapy Effectiveness: Certain bacteria can make chemotherapy drugs work better. They do this by changing the drugs into more active forms within the tumor.
  • Reducing Inflammation: Chronic inflammation can contribute to cancer advancement. A healthy gut microbiome can help keep inflammation under control.

Specific Bacteria and Cancers

Research is ongoing, but studies have linked specific bacteria to better outcomes in certain cancers:

  • Akkermansia muciniphila: This bacterium has been linked to improved responses to immunotherapy in people with lung cancer. Read more
  • Faecalibacterium prausnitzii: Found in higher amounts in people who respond well to chemotherapy for colorectal cancer.
  • Bifidobacterium: Some types of Bifidobacterium can boost the immune response against melanoma, a type of skin cancer. Read more
  • Pseudomonas aeruginosa: Research suggests this bacteria can definitely help fight lung cancer. Read more

How to Improve Your Gut Health

You can take steps to support a healthy gut microbiome:

  • Eat a Diverse Diet: Focus on fruits, vegetables, whole grains, and legumes. Different foods feed different types of bacteria.
  • Include Fermented Foods: Yogurt, kefir, sauerkraut, and kimchi contain live bacteria that can benefit your gut.
  • Limit Processed Foods, Sugar, and Artificial Sweeteners: These can harm beneficial bacteria.
  • Consider Probiotics: Probiotic supplements can add beneficial bacteria to your gut, but talk to your doctor before starting any new supplement.
  • Avoid Unneeded antibiotics: Antibiotics kill both good and bad bacteria. Use them only when necessary.

The Future of Cancer Treatment

Researchers are exploring ways to directly use gut bacteria in cancer treatment. This includes:

  • Fecal Microbiota Transplantation (FMT): Transferring gut bacteria from a healthy donor to a patient.
  • Developing “Smart” Bacteria: Engineering bacteria to specifically target and destroy cancer cells.
  • Personalized Microbiome-Based Therapies: Tailoring treatments based on a person’s unique gut microbiome.

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