Control of Cell Proliferation and Apoptosis by Mob as Tumor Suppressor, Mats

Appropriate cell number and organ size in a multicellular organism are determined by coordinated cell growth, proliferation, and apoptosis. Disruption of these processes can cause cancer. Recent studies have identified the Large tumor suppressor (Lats)/Warts (Wts) protein kinase as a key component o...

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Veröffentlicht in:Cell 2005-03, Vol.120 (5), p.675-685
Hauptverfasser: Lai, Zhi-Chun, Wei, Xiaomu, Shimizu, Takeshi, Ramos, Edward, Rohrbaugh, Margaret, Nikolaidis, Nikolas, Ho, Li-Lun, Li, Ying
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container_end_page 685
container_issue 5
container_start_page 675
container_title Cell
container_volume 120
creator Lai, Zhi-Chun
Wei, Xiaomu
Shimizu, Takeshi
Ramos, Edward
Rohrbaugh, Margaret
Nikolaidis, Nikolas
Ho, Li-Lun
Li, Ying
description Appropriate cell number and organ size in a multicellular organism are determined by coordinated cell growth, proliferation, and apoptosis. Disruption of these processes can cause cancer. Recent studies have identified the Large tumor suppressor (Lats)/Warts (Wts) protein kinase as a key component of a pathway that controls the coordination between cell proliferation and apoptosis. Here we describe growth inhibitory functions for a Mob superfamily protein, termed Mats (Mob as tumor suppressor), in Drosophila. Loss of Mats function results in increased cell proliferation, defective apoptosis, and induction of tissue overgrowth. We show that mats and wts function in a common pathway. Mats physically associates with Wts to stimulate the catalytic activity of the Wts kinase. A human Mats ortholog (Mats1) can rescue the lethality associated with loss of Mats function in Drosophila. As Mats1 is mutated in human tumors, Mats-mediated growth inhibition and tumor suppression is likely conserved in humans.
doi_str_mv 10.1016/j.cell.2004.12.036
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subjects Adaptor Proteins, Signal Transducing
Animals
Apoptosis - physiology
Cell Line
Cell Proliferation
Cell Transformation, Neoplastic - genetics
Cell Transformation, Neoplastic - metabolism
Conserved Sequence
DNA, Complementary - analysis
DNA, Complementary - genetics
Drosophila
Drosophila Proteins - genetics
Drosophila Proteins - isolation & purification
Drosophila Proteins - metabolism
Evolution, Molecular
Gene Expression Regulation, Developmental - genetics
Humans
Membrane Proteins - genetics
Membrane Proteins - metabolism
Mice
Microscopy, Electron, Scanning
Molecular Sequence Data
Mutation - genetics
Neoplasms - genetics
Neoplasms - metabolism
Nerve Tissue Proteins - genetics
Nerve Tissue Proteins - metabolism
Protein Kinases - metabolism
Sequence Homology, Amino Acid
Sequence Homology, Nucleic Acid
Transferases (Other Substituted Phosphate Groups)
Tumor Suppressor Proteins - genetics
Tumor Suppressor Proteins - isolation & purification
Tumor Suppressor Proteins - metabolism
title Control of Cell Proliferation and Apoptosis by Mob as Tumor Suppressor, Mats
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