Huntington's disease is a rare and fatal monogenic neurodegenerative disorder whose molecular origin is an expansion of CAG triplets within the first exon of the Huntingtin gene. Although a growing number of emerging therapies are in clinical trials, there are no proven neuroprotective or curative treatments approved by the health authorities, as they have not yet demonstrated any real therapeutic benefit or absence of toxicity. Trans-splicing gene therapy is defined as the correction of a mutated endogenous pre-messenger RNA by a therapeutic exogenous pre-messenger RNA. Trans-splicing is a suitable alternative approach, since it is capable of allelic selectivity and replacement of mutated sequences by the wild-type one, criteria that no therapy tested to date meets. This project involves the therapeutic validation of trans-splicing of Huntingtin gene transcripts, and will evaluate its therapeutic effects in vitro, into primary fibroblast cell lines derived from skin biopsies of Huntington's disease patients.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
BASIC_SCIENCE
Masking
NONE
Enrollment
20
skin biopsy
ABRIAL
Angers, Maine et Loire, France
RECRUITINGIn vitro validation of a RNA trans-splicing gene therapy for the correction of supernumerary CAG repeats into fibroblasts derived from skin biopsies of patients with Huntington's disease.
Correction of mutated endogenous transcripts.
Time frame: At the inclusion
Quantify the expression of Huntingtin protein (HTT) and its (in)usual protein partners.
At the inclusion
Time frame: At the inclusion
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