Exploiting Post-mitotic Yeast Cultures to Model Neurodegeneration

被引:13
作者
Ruetenik, Andrea [1 ,2 ]
Barrientos, Antonio [1 ,2 ,3 ]
机构
[1] Univ Miami, Miller Sch Med, Sch Med, Dept Neurol, Miami, FL 33136 USA
[2] Univ Miami, Miller Sch Med, Sch Med, Neurosci Grad Program, Miami, FL 33136 USA
[3] Univ Miami, Miller Sch Med, Sch Med, Dept Biochem, Miami, FL 33136 USA
来源
FRONTIERS IN MOLECULAR NEUROSCIENCE | 2018年 / 11卷
关键词
inducible yeast model; Saccharomyces cerevisiae; chronological life span; neurodegenerative disorder; mitochondria; proteotoxicity; reactive oxygen species; CHRONOLOGICAL LIFE-SPAN; ALPHA-SYNUCLEIN TOXICITY; MUTANT HUNTINGTIN FRAGMENT; SACCHAROMYCES-CEREVISIAE STRAINS; MITOCHONDRIAL-DNA DELETIONS; SUBSTANTIA-NIGRA NEURONS; PICK TYPE C1; OXIDATIVE STRESS; STATIONARY-PHASE; CALORIE RESTRICTION;
D O I
10.3389/fnmol.2018.00400
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Over the last few decades, the budding yeast Saccharomyces cerevisiae has been extensively used as a valuable organism to explore mechanisms of aging and human age-associated neurodegenerative disorders. Yeast models can be used to study loss of function of disease-related conserved genes and to investigate gain of function activities, frequently proteotoxicity, exerted by non-conserved human mutant proteins responsible for neurodegeneration. Most published models of proteotoxicity have used rapidly dividing cells and suffer from a high level of protein expression resulting in acute growth arrest or cell death. This contrasts with the slow development of neurodegenerative proteotoxicity during aging and the characteristic post-mitotic state of the affected cell type, the neuron. Here, we will review the efforts to create and characterize yeast models of neurodegeneration using the chronological life span model of aging, and the specific information they can provide regarding the chronology of physiological events leading to neurotoxic proteotoxicity-induced cell death and the identification of new pathways involved.
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页数:18
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