Inhibiting the Interleukin-11 Gene – The Key to Anti-aging!
In a discovery
published in Nature, a team of scientists from Duke-NUS Medical School in
Singapore may have found a key to slow aging. The team demonstrated in
preclinical models that the protein interleukin-11 (IL-11) actively promotes
aging and that removing the IL-11 gene or using an anti-IL-11 antibody
dramatically increases the lifespan and health of aging mice. These findings
suggest that anti-IL-11 treatments could combat age-related diseases with
minimal side effects, offering a promising avenue for future human trials.
IL-11 leads to fat
accumulation and muscle mass loss, two key hallmarks of aging. This protein has
also been linked to several other aging-related problems. It was inherited from
fish species approximately 450 million years ago. Chronic inflammation, tissue
scarring, metabolic diseases, loss of muscular mass, and cardiac issues are all
linked to IL-11.
In preclinical
studies, the team found that with age, organs expressed increasing levels of
the IL-11 protein, which, in turn, promoted fat accumulation in the liver and
abdomen, and reduced muscle mass and strength—two conditions that are hallmarks
of human aging.
According to the team,
these results are the first in the world to demonstrate that IL-11 is a
principal factor in aging.
In further
experiments, animals treated with the anti-IL-11 therapy were less likely to
develop cancer: less than 16 per cent of the treated rodents had tumours,
compared with more than 60 per cent of those in the control group.
However, we won’t know
if the same is true in people until clinical trials are conducted, says Stuart
Cook at Duke-NUS Medical School in Singapore. Multiple trials are under way to
test anti-IL-11 therapies in people with certain inflammatory conditions, such
as pulmonary fibrosis, but none is investigating its potential anti-aging
effects, he says.
Regenerative and Repair
Mechanisms Including the Inhibition of IL-11
The number of studies
and interventions have highlighted several phytochemicals, and nutrients, that
might target inhibition of IL-11, including increased dietary intake or
supplementation with lutein and other carotenoids, curcumin/turmeric,
quercetin, osthole/coumarin, allicin, β-elemene, rosmarinic acid, and omega-3
fatty acids.
IL-11 Antibodies
Antibodies that detect
IL-11 can be used in several scientific applications, including Western Blot,
ELISA, Immunohistochemistry, Immunocytochemistry and Neutralization. These
antibodies target IL-11 in Human, Mouse and Rat samples. You can get more
information on these antibodies here: https://www.thermofisher.com/antibody/product/IL-11-Antibody-Polyclonal/PA5-95982
Sources:
1.
https://www.nature.com/articles/s41586-024-07701-9
3.
https://news.nutrilink.co.uk/2024/07/24/inhibit-il-11-and-live-longer/
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