A team of researchers has recently claimed to have discovered six chemical cocktails that could help reverse biological aging. Yet these preliminary laboratory results are a long way away from being applied to humans.
Scientists at the University of Colorado Anschutz Medical Campus have discovered what they believe to be the central mechanism behind cognitive decline associated with normal aging.
“The mechanism involves the mis-regulation of a brain protein known as CaMKII which is crucial for memory and learning,” said the study’s co-senior author Ulli Bayer, PhD, professor of pharmacology at the University of Colorado School of Medicine. “This study directly suggests specific pharmacological treatment strategies.”
The study was published today in the journal ‘Science Signaling.’
In 2023, several breakthroughs have shaken the academic community. Freezing entire organs to sub-zero temperatures for future transplantation is now a reality.
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How can we increase our lifespan by over two decades?
In this video, we dive into a comprehensive study involving over 700,000 U.S. veterans that reveals the immense power of eight healthy lifestyle habits.
He Jiankui, the Chinese scientist who faced international condemnation in 2018 for creating the first gene-edited children, has presented a new research proposal involving modifying human embryos to address the challenges of the ageing population. He, who was sentenced to three years in prison in 2019 for “illegal medical practices,” resurfaced last year and announced the opening of a research lab in Beijing.
Imagine you could take a medicine that prevents the decline that come with age and keeps you healthy. Scientists are trying to find a drug that has these effects. The current most promising anti-ageing drug is Rapamycin, known for its positive effects on life and health span in experimental studies with laboratory animals. To obtain the maximum beneficial effects of the drug, it is often given lifelong. However, even at the low doses used in prevention for age-related decline, negative side effects may occur, and it is always desirable to use the lowest effective dose. A research group at the Max Planck Institute for Biology of Ageing in Cologne, Germany, has now shown in laboratory animals that brief exposure to rapamycin has the same positive effects as lifelong treatment opening new doors for a potential application in humans.
Combatting the negative effects of ageing is increasingly becoming the focus of research scientists. Lifestyle changes can improve health of older people, but alone is not sufficient to prevent the ills of older age. Repurposing existing drugs for ‘geroprotection’ is providing an additional weapon in the prevention of age-related decline. The current most promising anti-ageing drug is rapamycin, a cell growth inhibitor and immunosuppressant that is normally used in cancer therapy and after organ transplantations. “At the doses used clinically, rapamycin can have undesirable side-effects, but for the use of the drug in the prevention of age-related decline, these need to be absent or minimal. Therefore, we wanted to find out when and how long we need to give rapamycin in order to achieve the same effects as lifelong treatment”, explains Dr. Paula Juricic, the leading investigator of the study in the department of Prof.
Cognitive dysfunction in aging is a major biomedical challenge. Whether treatment with klotho, a longevity factor, could enhance cognition in human-relevant models such as in nonhuman primates is unknown and represents a major knowledge gap in the path to therapeutics. We validated the rhesus form of the klotho protein in mice showing it increased synaptic plasticity and cognition. We then found that a single administration of low-dose, but not high-dose, klotho enhanced memory in aged nonhuman primates. Systemic low-dose klotho treatment may prove therapeutic in aging humans.
The earlier that Alzheimer’s disease and other similar conditions can be spotted, the better the treatment options are, and scientists have discovered a blood biomarker that could signal the risk of dementia many years in advance.
A team from the National Institute on Aging, the University of Texas, and the Johns Hopkins Bloomberg School of Public Health in the US, as well as other institutions across the world, looked at data on 10,981 individuals collected across the course of 25 years.
In particular, the researchers analyzed the proteome of these individuals: the complete set of proteins expressed in a body, driving all kinds of biological processes from cell communication to hormone levels.
Silicon Valley tech bro Bryan Johnson claims he’s shaved five years off his biological age. Longevity mastermind David Sinclair, Ph.D., says tests show his biological age is a full decade younger than the 53 candles on his birthday cake. Sixty-three-year-old functional medicine doctor Mark Hyman, M.D., say tests clock his biological age at a young 43. But can aging really be cured? Maybe not—but adopting or eschewing certain lifestyle habits to add years to your life.
When it comes to understanding how to reverse aging, there are tests on the market that claim to be able to help you do that. They calculate your ‘biological age’ to see how your body could be aging across various cell-level metrics versus the number of candles on your birthday cake.
But are these tests accurate?
