期刊
AUTOPHAGY
卷 10, 期 4, 页码 710-714出版社
TAYLOR & FRANCIS INC
DOI: 10.4161/auto.28434
关键词
autophagy flux; LC3; neurons; and nervous system
类别
资金
- FONDECYT [11121524, 1140549, ACT1109]
- Muscular Dystrophy Association and ALS Therapy Alliance, Millennium Institute [P09-015-F]
- CONICYT-EEUU [USA2013-0003]
- Alzheimer Disease Association
- ECOS CONICYT [C13S02]
- FONDEF [D11I1007]
- CONICYT PhD fellowship [21120411]
A current need in the neuroscience field is a simple method to monitor autophagic activity in vivo in neurons. Until very recently, most reports have been based on correlative and static determinations of the expression levels of autophagy markers in the brain, generating conflicting interpretations. Autophagy is a fundamental process mediating the degradation of diverse cellular components, including organelles and protein aggregates at basal levels, whereas alterations in the process (i.e., autophagy impairment) operate as a pathological mechanism driving neurodegeneration in most prevalent diseases. We have recently described a new simple method to deliver and express an autophagy flux reporter through the peripheral and central nervous system of mice by the intracerebroventricular delivery of adeno-associated viruses (AAV) into newborn mice. We obtained a wide expression of a monomeric tandem mCherry-GFP-LC3 construct in neurons through the nervous system and demonstrated efficient and accurate measurements of LC3 flux after pharmacological stimulation of the pathway or in disease settings of axonal damage. Here we discuss the possible applications of this new method to assess autophagy activity in neurons in vivo.
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