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Maximum human lifespan could far exceed 115 years – new research

Maximum human lifespan could far exceed 115 years – new research

April 24,2018

Macquarie Stem Cells has provided this information to educate the public based on peer reviewed, published scientific and medical documents. We don’t aim to encourage consumers to seek out such treatments prior to an assessment by a health professional to determine your suitability for treatment. This is obtained directly from Nature Literature.

Published: Nature Journal – 2017 & The Guardian Online 2017

Maximum human lifespan could far exceed 115 years – new research

“Stem cell brain implants could ‘slow ageing and extend life’, study shows”  (Reardon S. 2017)

“Previous studies have suggested that the hypothalamus is involved in ageing, but the latest research shows that stem cells in this region can slow the process. That makes sense, because the hypothalamus is involved in many bodily functions, including inflammation and appetite, says Dongsheng Cai, a neuroendocrinologist at Albert Einstein College of Medicine in New York City.” (Reardon S. 2017)

“In their study, Cai and his colleagues found that stem cells in the hypothalamus disappear as mice grow older. When the researchers injected their mice with viruses that destroy these cells, the animals seemed to grow older faster, experiencing declines in memory, muscle strength, endurance and coordination. They also died sooner than untreated mice of the same age.” (Reardon S. 2017)

“Next, the team injected stem cells taken from the hypothalami of newborn mice into the brains of middle-aged mice. After four months, these animals had better cognitive and muscular function than untreated mice of the same age. They also lived about 10% longer, on average. The researchers found that these stem cells release molecules called microRNAs, which help to regulate gene expression, into the cerebro­spinal fluid. When the team injected these microRNAs into the brains of middle-aged mice, they found that the molecules slowed cognitive decline and muscle degeneration.” (Reardon S. 2017)

Forever young

“It’s an interesting paper, says Leonard Guarente, a molecular biologist at the Massachusetts Institute of Technology in Cambridge, who studies ageing. He adds that it could lead to various ways of developing anti-ageing therapies in people.” (Reardon S. 2017)

“Stem-cell therapies might enhance the ability of the hypothalamus to act as a master regulator, given that the latest results suggest it controls ageing through signalling peptides such as hormones and microRNAs, Cai says. He says that his team is trying to identify which of the thousands of types of microRNA produced are involved in ageing, and hopes to investigate whether similar mechanisms exist in non-human primates.” (Reardon S. 2017)

“The findings represent a breakthrough in ageing research, says Shin-ichiro Imai, who studies ageing at Washington University in St Louis, Missouri. The next steps would be to link these stem cells with other physiological mechanisms of ageing, he says. For instance, these cells may have a role in regulating the neurons that release a hormone called GnRH, which is secreted by the hypothalamus and is associated with ageing. Imai would also like to know whether the microRNAs from the cells can pass into the bloodstream, which would carry them throughout the body.” (Reardon S. 2017)

“Cai suspects that anti-ageing therapies targeting the hypothalamus would need to be administered in middle age, before a person’s muscles and metabolism have degenerated beyond a point that could be reversed. It is unclear by how much such a therapy could extend a human lifespan, but Guarente says that slowing the effects of ageing is the more important goal. “Living longer isn’t important if you’re not healthy,” he says.” (Reardon S. 2017)

REF: Sample, I. (2017). Stem cell brain implants could ‘slow ageing and extend life’, study shows. [online] the Guardian. Available at: https://www.theguardian.com/science/2017/jul/26/stem-cell-brain-implants-could-slow-ageing-and-extend-life-study-shows [Accessed 4 Aug. 2017].

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