Key points from article :
Treatment used four intravenous doses derived from a fraction of blood plasma - nothing was removed from old rats blood.
Harold Katcher was part of a team that discovered the breast cancer gene, brca1.
Katcher believes that, to a large extent, aging is coordinated system-wide via signal molecules in the blood.
There are thousands of constituents represented in tiny concentrations in blood plasma.
Two years ago he set up a lab in Bangalore using funding from Akshay Sanghavi.
Encouraging results using a fraction extracted from the blood of young rats secured another funder.
Further details are pending IPR protection and financing for human trials.
Developed a set of six methylation clocks specialized to rats, one of which is calibrated across species.
Average rejuvenation across four tissues was 54.2% - so it halved the epigenetic age.
Other positive measures include IL-6 (inflammation), glutathione, cognitive function, HDL cholesterol, blood triglycerides and glucose.
