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Title: Mitochondrial targeting of XJB-5-131 attenuates or improves pathophysiology in HdhQ150 animals with well-developed disease phenotypes

Journal Article · · Human Molecular Genetics
DOI:https://doi.org/10.1093/hmg/ddw051· OSTI ID:1379313
 [1];  [1];  [2];  [2];  [3];  [4];  [5];  [5];  [1]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  2. Univ. of California, Berkeley, CA (United States)
  3. Univ. of Pittsburgh, PA (United States)
  4. Consejo Superior de Investigaciones Cientificas (CSIC), Madrid (Spain)
  5. Univ. of Puerto Rico, San Juan, PR (United States)

Oxidative damage to mitochondria (MT) is a major mechanism for aging and neurodegeneration. We have developed a novel synthetic antioxidant, XJB-5-131, which directly targets MT, the primary site and primary target of oxidative damage. XJB-5-131 prevents the onset of motor decline in an HdhQ(150/150) mouse model for Huntington's disease (HD) if treatment starts early. Here, we report that XJB-5-131 attenuates or reverses disease progression if treatment occurs after disease onset. In animals with well-developed pathology, XJB-5-131 promotes weight gain, prevents neuronal death, reduces oxidative damage in neurons, suppresses the decline of motor performance or improves it, and reduces a graying phenotype in treated HdhQ(150/150) animals relative to matched littermate controls. XJB-5-131 holds promise as a clinical candidate for the treatment of HD.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
National Institutes of Health (NIH); USDOE
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1379313
Journal Information:
Human Molecular Genetics, Vol. 25, Issue 9; ISSN 0964-6906
Publisher:
Oxford University PressCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 35 works
Citation information provided by
Web of Science

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Cited By (10)

R-loops: targets for nuclease cleavage and repeat instability journal January 2018
Energy Metabolism and Mitochondrial Superoxide Anion Production in Pre-symptomatic Striatal Neurons Derived from Human-Induced Pluripotent Stem Cells Expressing Mutant Huntingtin journal August 2019
N6-Furfuryladenine is protective in Huntington’s disease models by signaling huntingtin phosphorylation journal July 2018
The interaction of aging and oxidative stress contributes to pathogenesis in mouse and human Huntington disease neurons posted_content December 2019
Hepatic HKDC1 Expression Contributes to Liver Metabolism journal December 2018
XJB-5-131-mediated improvement in physiology and behaviour of the R6/2 mouse model of Huntington's disease is age- and sex- dependent journal April 2018
A Mitochondria-Associated Oxidative Stress Perspective on Huntington’s Disease journal September 2018
Impaired Redox Signaling in Huntington’s Disease: Therapeutic Implications journal March 2019
XJB-5-131-mediated improvement in physiology and behaviour of the R6/2 mouse model of Huntington's disease is age- and sex- dependent. text January 2018
Oxidative Stress and Huntington’s Disease: The Good, The Bad, and The Ugly journal October 2016