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Tetrahydrocarbazoles decrease elevated SOCE in medium spiny neurons from transgenic YAC128 mice, a model of
Magdalena Czeredys1, Filip Maciag1, Axel Methner2
1Laboratory of Neurodegeneration, International Institute of Molecular and Cell Biology in Warsaw, Trojdena 4, 02-109, Warsaw, Poland.
Biochemical and Biophysical Research Communications
|August 25, 2016
Summary
Researchers found a compound that may treat Huntington's disease (HD) by restoring calcium homeostasis and stabilizing store-operated calcium entry (SOCE) in neurons. This discovery offers a potential therapeutic avenue for this neurodegenerative disorder.
Area of Science:
- Neuroscience
- Genetics
- Pharmacology
Background:
- Huntington's disease (HD) is an inherited neurodegenerative disorder.
- It is caused by polyglutamine expansion in the huntingtin (HTT) gene.
- Store-operated calcium entry (SOCE) is a cellular process dysregulated in HD.
Purpose of the Study:
- To investigate the enhanced SOCE activity in Huntington's disease models.
- To evaluate the potential of tetrahydrocarbazoles to correct calcium dysregulation in HD.
Main Methods:
- Utilized YAC128 mice, a transgenic model for Huntington's disease.
- Examined medium spiny neurons (MSNs) from these mice.
- Tested the compound 6-bromo-N-(2-phenylethyl)-2,3,4,9-tetrahydro-1H-carbazol-1-amine hydrochloride.
Main Results:
- Detected enhanced SOCE activity in YAC128 mouse MSNs.
- The tested tetrahydrocarbazole compound restored calcium homeostasis.
- The compound stabilized SOCE and improved mitochondrial membrane potential in HD models.
Conclusions:
- Dysregulated calcium homeostasis is a key feature of Huntington's disease pathology.
- The tested compound shows promise as a lead structure for HD therapeutics.
- Targeting SOCE may offer a novel treatment strategy for Huntington's disease.
Keywords:
HuntingtinHuntington's diseaseMedium spiny neuronsStore-operated calcium entryTetrahydrocarbazolesYAC128
