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- W1907583670 abstract "// Roman Uzhachenko 1 , Anil Shanker 1, 2 , Wendell G. Yarbrough 3, 4, 5 , Alla V. Ivanova 3 1 Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, Tennessee, United States 2 Vanderbilt-Ingram Comprehensive Cancer Center, Vanderbilt University, Nashville, Tennessee, United States 3 Department of Surgery, Division of Otolaryngology, Yale School of Medicine, New Haven, Connecticut, United States 4 Yale Cancer Center, Yale School of Medicine, New Haven, Connecticut, United States 5 Department of Pathology, Yale School of Medicine, New Haven, Connecticut, United States Correspondence to: Alla V. Ivanova, e-mail: alla.ivanova@yale.edu Keywords: Fus1/Tusc2, mitochondria, calcium, tumor suppressor, inflammation, autoimmunity Received: March 23, 2015 Accepted: June 27, 2015 Published: July 15, 2015 ABSTRACT Mitochondria present a unique set of key intracellular functions such as ATP synthesis, production of reactive oxygen species (ROS) and Ca 2+ buffering. Mitochondria both encode and decode Ca 2+ signals and these interrelated functions have a direct impact on cell signaling and metabolism. High proliferative potential is a key energy-demanding feature shared by cancer cells and activated T lymphocytes. Switch of a metabolic state mediated by alterations in mitochondrial homeostasis plays a fundamental role in maintenance of the proliferative state. Recent studies show that tumor suppressors have the ability to affect mitochondrial homeostasis controlling both cancer and autoimmunity. Herein, we discuss established and putative mechanisms of calcium–dependent regulation of both T cell and tumor cell activities. We use the mitochondrial protein Fus1 as a case of tumor suppressor that controls immune response and tumor growth via maintenance of mitochondrial homeostasis. We focus on the regulation of mitochondrial Ca 2+ handling as a key function of Fus1 and highlight the mechanisms of a crosstalk between Ca 2+ accumulation and mitochondrial homeostasis. Given the important role of Ca 2+ signaling, mitochondrial Ca 2+ transport and ROS production in the activation of NFAT and NF-κB transcription factors, we outline the importance of Fus1 activities in this context." @default.
- W1907583670 created "2016-06-24" @default.
- W1907583670 creator A5019557489 @default.
- W1907583670 creator A5057214819 @default.
- W1907583670 creator A5069589993 @default.
- W1907583670 date "2015-07-15" @default.
- W1907583670 modified "2023-10-14" @default.
- W1907583670 title "Mitochondria, calcium, and tumor suppressor Fus1: At the crossroad of cancer, inflammation, and autoimmunity" @default.
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