Fight Aging! Newsletter, June 17th 2019

In this study, analysis of antioxidant defense was performed on the blood samples from 184 "aged" individuals aged 65-90+ years, and compared to the blood samples of 37 individuals just about at the beginning of aging, aged 55-59 years. Statistically significant decreases of Zn,Cu-superoxide dismutase (SOD-1), catalase (CAT), and glutathione peroxidase (GSH-Px) activities were observed in elderly people in comparison with the control group. Moreover, an inverse correlation between the activities of SOD-1, CAT, and GSH-Px and the age of the examined persons was found. No age-related changes in glutathione reductase activities and malondialdehyde concentrations were observed. These lower activities of fundamental antioxidant enzymes indicate the impairment of antioxidant defense in the erythrocytes of elderly people. Towards Bioprinted Corneas https://www.fightaging.org/archives/2019/06/towards-bioprinted-corneas/ While no tissues can be said to be simple, some are simpler than others. In the past decade, tissue engineers have made considerable progress towards the manufacture of these simpler tissues, from the starting point of cells and scaffold materials. Bioprinting, a form of rapid prototyping, has proven to be an important class of approach. The research noted here is a representative example of progress towards the production of corneas to replace those that are damaged by accident or age, and thus eliminate the need for donor tissue. When a...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs