Neurotherapeutics

Drug slowed movement decline and extended life in mice

An experiment in mice modeling amyotrophic lateral sclerosis found better strength and coordination with a drug given from 60 days of age until a humane endpoint.

Fig. 1. Transcriptomic dysregulation of cholesterol biosynthesis and transport pathways across ALS experimental models and patients.
Open the figure at full size
Fig. 1. Transcriptomic dysregulation of cholesterol biosynthesis and transport pathways across ALS experimental models and patients.Transcriptomic dysregulation of cholesterol biosynthesis and transport pathways across ALS experimental models and patients.Fernández-Beltrán et al.
Studied:
Experiments in mice
In the record:
One of 4 papers on T0901317 on record: 1 with results in people, 1 in animals.
Why it’s aging research:
Lifespan, survival or healthspan.

Editor of record: Boris Djordjevic · AgingResearch.News

Follow @agingbrief

Male and female SOD1G93A mice, genetically modified to model amyotrophic lateral sclerosis, received T0901317 in an animal experiment. The disease damages nerves that control muscles. The drug activates liver X receptors, proteins that regulate cholesterol balance and immune responses. Researchers added it to food at an estimated daily dose of 35 milligrams per kilogram of body weight from 60 days of age, before symptoms, until a humane endpoint.

Compared with standard-food controls, treated mice had delayed weight loss and disease progression, better strength and coordination, and preserved functional connections between nerves and muscles. Median lifespan increased in both sexes, slightly more in females. In a separate molecular experiment, the drug increased spinal-cord gene activity involved in moving cholesterol out of cells and reduced inflammatory signaling.

Why it matters

The authors propose cholesterol handling and inflammatory networks as promising targets for amyotrophic lateral sclerosis, an age-related disease affecting muscle-controlling nerves.

Caveats

Dosing began before symptoms in one genetic mouse model; the experiment did not test benefits in people with established disease. Survival was measured to a humane endpoint, when mice could no longer right themselves, rather than natural death.

From the paper

Participants

Human dataset: Our analysis included 445 individuals and a total of 868 neurological spinal cord samples from the NYGC ALS dataset.

Methods, Transcriptomic analysis of cholesterol genes

Quoted word for word from the full text on PubMed Central.

Comments

Be the first to comment.