Essential Amino Acid Supplements Could Prevent Dementia - SciTechDaily
Oct 26, 2021 2 mins, 28 secs
By National Institutes for Quantum Science and Technology.

Consuming Amino LP7, a specific combination of essential amino acids, could inhibit the development of dementia, shows a study from Japan.

Now, using a mouse model of Alzheimer’s disease, researchers have shown that the intake of a specific set of amino acids can inhibit the death of brain cells, protect the connections between them, and reduce inflammation, preserving brain function.

More importantly, they found that Amino LP7—a supplement containing seven specific amino acids—can slow down brain degeneration and dementia development in these animals.

Credit: National Institutes for Quantum Science and Technology.

Makoto Higuchi from the National Institutes for Quantum Sciences and Technology, one of the lead scientists on the study, explains, “In older individuals, low protein diets are linked to poor maintenance of brain function.

So, we wanted to understand whether supplementation with essential amino acids can protect the brains of older people from dementia, and if yes, what mechanisms would contribute to this protective effect.”.

Interestingly, these effects were reversed after supplementation with Amino LP7, indicating that the combination of seven specific amino acids could inhibit brain damage.

Untreated mice showed high levels of progressive brain degeneration, but Amino LP7 treatment suppressed neuronal death and thereby reduced brain degeneration, even though the Tau aggregates remained.

However, we have shown that it is possible to overcome this Tau deposition and prevent brain atrophy via supplementation with Amino LP7.”.

They also found that Amino LP7 reduces neuronal death and improves neuronal connectivity, improving brain function.

“These results suggest that essential amino acids can help maintain balance in the brain and prevent brain deterioration.

Given that Amino LP7 improves brain function in older people without cognitive impairment, their findings suggest that it could also be effective in people with cognitive dysfunction.

Reference: “Neurodegenerative processes accelerated by protein malnutrition and decelerated by essential amino acids in a tauopathy mouse model” by Hideaki Sato, Yuhei Takado, Sakiko Toyoda, Masako Tsukamoto-Yasui, Keiichiro Minatohara, Hiroyuki Takuwa, Takuya Urushihata, Manami Takahashi, Masafumi Shimojo, Maiko Ono, Jun Maeda, Asumi Orihara, Naruhiko Sahara, Ichio Aoki, Sachise Karakawa, Muneki Isokawa, Noriko Kawasaki, Mika Kawasaki, Satoko Ueno, Mayuka Kanda, Mai Nishimura, Katsuya Suzuki, Akira Mitsui, Kenji Nagao, Akihiko Kitamura and Makoto Higuchi, 22 October 2021, Science Advances.

About National Institutes for Quantum Science and Technology, Japan.

The National Institutes for Quantum Science and Technology (QST) was established in April 2016 to promote quantum science and technology in a comprehensive and integrated manner.

QST’s mission is to raise the level of quantum and radiological sciences and technologies through its commitment to research and development into quantum science and technology, the effect of radiation on humans, radiation emergency medicine, and the medical use of radiation.

Makoto Higuchi from National Institutes for Quantum Science and Technology, Japan.

Makoto Higuchi is a renowned neuroscientist and heads the Department of Functional Brain Imaging at the National Institutes for Quantum Sciences and Technology, Japan


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