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TDP-43 Proteinopathies: A New Player in Neurodegenerative Diseases with Defective Protein Folding [Turk J Neurol]
Turk J Neurol. 2012; 18(1): 1-10 | DOI: 10.4274/Tnd.58561  

TDP-43 Proteinopathies: A New Player in Neurodegenerative Diseases with Defective Protein Folding

Suna Lahut, Burçak Özeş, Soykan Ağar, A. Nazlı Başak
Boğaziçi University, Molecular Biology And Genetics Department, İstanbul, Turkey

The proteome is the sum of all proteins inside a cell, and proteostasis (protein homeostasis) is the stable condition of the proteome. Proteostasis is essential for the cellular and organismal health. Stress, aging and the chronic expression of misfolded proteins challenge the proteostasis machinery and the vitality of the cell. There is increasing evidence that the accumulation of damaged proteins not only has direct consequences on the efficiency and fidelity of cellular processes but, when not corrected, that they initiate a cascade of dysfunction, which in humans is associated with a plethora of diseases of protein conformation, referred to as proteinopathies. Alzheimer’s Disease (AD), Parkinson’s Disease (PD), Huntington’s Disease (HD), Amyotrophic Lateral Sclerosis (ALS), cancer and diabetes, whose frequencies have drastically increased in countries with aging populations, are all consequences of misfolded proteins. This paper focuses on TDP-43, which excelled as a key protein in neurodegenerative processes because of its association with different diseases, especially with ALS and Frontotemporal Lobar Dementia (FTLD), the two best studied examples of TDP-43 proteinopathies.

Keywords: TDP-43, neurodegeneration, protein folding, aggregation, ALS, FTLD, model systems


Suna Lahut, Burçak Özeş, Soykan Ağar, A. Nazlı Başak. TDP-43 Proteinopathies: A New Player in Neurodegenerative Diseases with Defective Protein Folding. Turk J Neurol. 2012; 18(1): 1-10

Corresponding Author: A. Nazlı Başak, Türkiye


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