Showing posts with label fountain of youth. Show all posts
Showing posts with label fountain of youth. Show all posts

Monday, March 27, 2017

Peptide targeting senescent cells restores stamina, fur, and kidney function in old mice


In this article researchers were able to design a peptide to target senescent cells in mice.  This resulted in a restoration of stamina, fur density, and improved kidney function in naturally aged mice and fast aging mice.  The peptide works by blocking a protein for senescence.  The interference results in cell apoptosis in staying younger longer.  This could possibly lead to anti-aging medication. In a couple of years the average human life expectancy could possibly be doubled.  It's an interesting concept to think about.


Wednesday, March 11, 2015

The Fountain of Youth


Researchers from The Scripps Research Institute (TSRI), Mayo Clinic, and other institutions recently identified a new class of drugs that slow the aging process.  During the study, the scientists targeted senescent cells in mice.  The scientists were challenged with identifying and targeting the senescent cells without damaging surrounding cells.  Through transcript analysis, the researchers discovered that senescent cells, like cancer cells, have an increased ability to resist apoptosis.  As a result, the researchers decided to use dasatinib and quercetin to facilitate their research.  Cell culture testing showed that while dasatinib was effective in eliminating senescent human fat cell progenitors, quercetin was effective in eliminating senescent human endothelial cells.  The scientists concluded that a combination of both drugs would be most effective in targeting and eliminating senescent cells.
When testing how the drugs affected health and aging in mice, the research team observed improved cardiovascular function among old mice after a single dose of the drugs.  The team also observed that after a single dose, mice that had been exposed to radiation therapy for the treatment of cancer exhibited an increased exercise capacity.  Periodic dosages of the drugs delayed age-related symptoms, spine degeneration, and osteoporosis in mice who exhibited accelerated aging.  The research team concluded that more testing must be performed before the combination of drugs can be used in humans.
I think the research is fascinating and has the potential to allow people to live healthier for a longer period of time.  Many people would find this to be the new fountain of youth.

Sunday, November 16, 2014

Could There be a "Fountain of Youth" Gene?



Hinco Gierman and his team from the Stanford University Departments of Developmental Biology and Genetics sequenced the genomes of 17 individuals over the age of 110 years old, or "supercentarians." Researchers only analyzed 13 of these genomes limited to Caucasian females to eliminate major variations between the genomes studied. Looking for a "protein-altering variant," researchers found it in the TSHZ3 gene.

By studying the genomes of these 13 supercentarians along with genomes of younger people as the control, the team at Stanford found that the TSHZ3 transcription-factor gene was found most frequently in the genomes of the supercentarians. Researchers also studied 99 genomes of individuals ranging from 98-105 years of age and found similar results.

Although much more research is to be done, I am interested to see how researchers use their current and upcoming knowledge to use this "Fountain of Youth" gene to potentially help fight illnesses and improve the quality of life for people who reach such an old age.

Original Article: http://news.discovery.com/human/genetics/worlds-oldest-people-are-genetically-superior-141112.htm

Related Article: http://news.discovery.com/human/health/activating-gene-could-delay-aging-through-body-140911.htm

Thursday, May 1, 2014

Scientists may have found the fountain for youth!

Hendrikje van Andel-Schipper, who was 115 years old when she died in 2005, donated her body to science.  Throughout her life, up until shortly before she pasted away, she was in good health.  Scientists are studying what aided in her longevity and good health and have found some interesting findings.  

The study, out of the VU University Medical Center in Amsterdam, performed a deep whole-genome sequencing that allowed them to analyze 450 somatic mutations. These mutations, which where found in her white blood cells, contain non coding regions that appear to be harmless mutations. Additionally, they discovers that they were all serviced from two stem cells. This may mean that her stem cell pool may have been depleted. They also found that the telomere of the white blood cells were smaller.  While telomeres are supposed to shrink after reproduction, these were about 17 times shorter that the ones in her brain cells. 

It is thought that one of the reasons for aging is the depletion of the stem cell pool.  Scientists are hoping that in the future it may be possible to replenish the supply with stem cells taken when people were younger.

The full study was published in Genome Research.