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Tag: Immune system

January 05, 2021
This time on the Sheekey Science Show, the relationship between cancer and exercise is explored. Regular physical activity is associated with a reduced risk of cancer, and an animal study has fingered the proliferation of cytotoxic CD8 T cells as the causative agents of this effect. The physical, metabolic reasons for this are explored as well, and specific exercise metabolites are identified as the causes of these cells' increased ability to infiltrate and thereby reduce tumors.
December 16, 2020
Recent research published in Nature Communications has regenerated a functional thymus in mice, making several other discoveries along the way [1]. A new sub-type of thymus cell emerges Although it is imperative to our immune health, the thymus is an under-studied organ that slowly disappears as we age. Its main function is to provide a...
November 23, 2020
If you have been following the mainstream media recently, you have probably seen a story about hyperbaric oxygen treatment and claims that it can reverse aging. Unfortunately, the media hype surrounding the results is nothing like the reality of the actual research paper, and this is another example of how shoddy journalism harms our field....
October 20, 2020
An international collective of scientists has discovered a new cellular process: telomere transfer from antigen-presenting cells to T cells that boosts the latter's lifespan and proliferative potential [1]. Telomere AttritionTelomeres are DNA regions located at the ends of a chromosome. Their normal length is 8-10 thousand base pairs, yet they consist of repetitions of a...
August 24, 2020
A new review takes a look at the association between the decline of the immune system and the development and course of age-related diseases. Our immune system is the ultimate defense against invading pathogens and unwanted waste, and its efficient operation is critical to the healthy function of every tissue in the body. We have...
August 17, 2020
Researchers have successfully demonstrated that rejuvenation of the aged thymus to make it functionally younger again is possible. The thymus wastes away as we age The thymus is a small organ located in the upper part of the chest directly behind the sternum and between the lungs. Before we are even born and through childhood,...