This record provides bibliographic details and links to the original research. An editorial study breakdown is not available.
What the researchers found
Elderly individuals had significantly lower HD5 levels (r = -0.307, p < 0.001) and different gut microbiota composition.
Why it matters
Understanding the relationship between defensin levels and gut microbiota can help explain age-related health risks. This research may guide future strategies for improving gut health in the elderly.
How the study worked
Fecal samples were collected from 196 healthy Japanese participants, and HD5 concentrations were measured to assess correlations with gut microbiota.
What this study cannot tell us
The study is limited to a specific population (Japanese individuals) and may not be generalizable to other ethnic groups.
Read the original research
Lower human defensin 5 in elderly people compared to middle-aged is associated with differences in the intestinal microbiota composition: the DOSANCO Health Study.
GeroScience, 44(2), 997-1009
Citation
Shimizu, Yu; Nakamura, Kiminori; Kikuchi, Mani; Ukawa, Shigekazu; Nakamura, Koshi; Okada, Emiko; Imae, Akihiro; Nakagawa, Takafumi; Yamamura, Ryodai; Tamakoshi, Akiko; Ayabe, Tokiyoshi. (2022). Lower human defensin 5 in elderly people compared to middle-aged is associated with differences in the intestinal microbiota composition: the DOSANCO Health Study.. GeroScience, 44(2), 997-1009. https://doi.org/10.1007/s11357-021-00398-y