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08 21, 19, 12:11:06:PM

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The reason the Left is pushing this 'White Supremacist'
mantra is against the Right is because they are sooo
damned afraid of losing the Black Vote, that they have to Lie..

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Author Topic: One step closer to repairing genetic damage!  (Read 24 times)
D2D
Republicans believe every day is the fourth of July! Democrats believe every day is April 15!
Sr. Member

Posts: I am a geek!!


« on: 02 10, 19, 05:04:03:AM » Reply

In the gut, the immune system sets up a defensive line that is so far forward, it is on the very boundary between partly digested foods and the cells of our intestinal walls. Here, where foreign materials press against our epithelial barriers, the immune system sets up a kind of trip wire. It consists of innate lymphocytes that detect genotoxic environmental factors, including foods that wreak genetic damage inside our epithelial cells, damage that can culminate in bowel cancer.

This line of defense was recently discovered by scientists from Charité–Universitätsmedizin Berlin. According to these scientists, who were led by Andreas Diefenbach, PhD, cells of the innate immune system can detect damaging substances such as glucosinolates and, in response, release interleukin-22, a cellular messenger. The interleukin-22 signals intestinal stem cells to activate the DNA damage response (DDR).

Essentially, the DDR enables the epithelial stem cells to detect potential DNA damage earlier and repair it faster. Alternatively, the DDR can cause the cells to eliminate themselves via apoptosis rather than become cancerous.

“The immune system acts like a sensor that detects genotoxic food components,” explained Diefenbach. “Switching off this sensor results in a significant increase in cases of bowel cancer.”

Additional details about the defense mechanism appeared January 30 in the journal Nature, in an article titled, “Interleukin-22 protects intestinal stem cells against genotoxic stress.” The article describes how the cytokine interleukin-22, produced by group 3 innate lymphoid cells (ILC3) and γδ T cells, is an important regulator of the DDR machinery in intestinal epithelial stem cells.

“Using a new mouse model that enables sporadic inactivation of the IL-22 receptor in colon epithelial stem cells, we demonstrate that IL-22 is required for effective initiation of the DDR following DNA damage,” wrote the article’s authors. “Stem cells deprived of IL-22 signals and exposed to carcinogens escaped DDR-controlled apoptosis, contained more mutations and were more likely to give rise to colon cancer.”



https://www.genengnews.com/news/genotoxic-food-sets-off-immune-alarm-that-speeds-dna-repair-in-gut/

https://www.nature.com/articles/s41586-019-0899-7
D2D
Republicans believe every day is the fourth of July! Democrats believe every day is April 15!
Sr. Member

Posts: I am a geek!!


« Reply #1 on: 02 11, 19, 01:32:20:PM » Reply

Apparently, Democrats oppose this!
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