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2018 ; 19
(2
): 145-157
Nephropedia Template TP
gab.com Text
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English Wikipedia
Repurposed FDA-approved drugs targeting genes influencing aging can extend
lifespan and healthspan in rotifers
#MMPMID29340835
Snell TW
; Johnston RK
; Matthews AB
; Zhou H
; Gao M
; Skolnick J
Biogerontology
2018[Apr]; 19
(2
): 145-157
PMID29340835
show ga
Pharmaceutical interventions can slow aging in animals, and have advantages
because their dose can be tightly regulated and the timing of the intervention
can be closely controlled. They also may complement environmental interventions
like caloric restriction by acting additively. A fertile source for therapies
slowing aging is FDA approved drugs whose safety has been investigated. Because
drugs bind to several protein targets, they cause multiple effects, many of which
have not been characterized. It is possible that some of the side effects of
drugs prescribed for one therapy may have benefits in retarding aging. We used
computationally guided drug screening for prioritizing drug targets to produce a
short list of candidate compounds for in vivo testing. We applied the virtual
ligand screening approach FINDSITE(comb) for screening potential anti-aging
protein targets against FDA approved drugs listed in DrugBank. A short list of 31
promising compounds was screened using a multi-tiered approach with rotifers as
an animal model of aging. Primary and secondary survival screens and cohort life
table experiments identified four drugs capable of extending rotifer lifespan by
8-42%. Exposures to 1 µM erythromycin, 5 µM carglumic acid, 3 µM capecitabine,
and 1 µM ivermectin, extended rotifer lifespan without significant effect on
reproduction. Some drugs also extended healthspan, as estimated by mitochondria
activity and mobility (swimming speed). Our most promising result is that rotifer
lifespan was extended by 7-8.9% even when treatment was started in middle age.
|Aging/*drug effects/*genetics/physiology
[MESH]
|Animals
[MESH]
|Capecitabine/pharmacology
[MESH]
|Databases, Pharmaceutical
[MESH]
|Drug Evaluation, Preclinical/methods/statistics & numerical data
[MESH]