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Recent Patents on Endocrine, Metabolic & Immune Drug Discovery


ISSN (Print): 1872-2148
ISSN (Online): 2212-3334

Role of Mitochondrial Translocator Protein (18 kDa) on Mitochondrial- Related Cell Death Processes

Author(s): Beatriz Caballero, Leo Veenman and Moshe Gavish

Volume 7, Issue 2, 2013

Page: [86 - 101] Pages: 16

DOI: 10.2174/1872214811307020002

Price: $65


The 18 kDa translocator protein (TSPO) is able to modulate several mitochondria-related cell death processes due to close association with proteins and other molecules involved to the mitochondrial permeability transition pore. In this way, herein we review cell death mechanisms targeting mitochondria, including programmed cell death type I, II and III. Several proteins involved in these cell death processes and with a possible interplay with the TSPO are also discussed including the voltage dependent anion channel, the adenine nucleotide transporter, cardiolipin, and the Bcl-2 family proteins. Noteworthy, TSPO has been also implicated in various other functions including mitochondrial respiration, immune and phagocytic host-defense response, microglial activation, inflammation, cell growth and differentiation, cancer, cell proliferation, ischemia, and mental and neuropathological disorders. We focused in recent studies of the TSPO particularly on cancer and neurodegeneration, thus presenting the TSPO as a core element in the role of mitochondria in diseases and related processes. Clinical benefit may be attainable by increasing pharmacological knowledge related to the TSPO. Recent patents typically relate to diagnosis and treatment of TSPO-related pathological conditions including cancer, and inflammatory conditions, as well as disorders associated with central nervous system, such as neurodegeneration, convulsions, anxiety, mental disorders, and dementia.

Keywords: Apoptosis, Bcl-2 proteins, cancer, cardiolipin, neurodegeneration, mitochondria, 18 kDa translocator protein

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