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Introduction to a thematic issue for WWOX
1Experimental Biology and Medicine, Institute of Molecular Medicine, National Cheng Kung University, Tainan, 70101 Taiwan; Department of Neuroscience and Physiology, State University of New York Upstate Medical University, Syracuse, NY, 13210 USA; Department of Neurochemistry, NYS Institute of Basic Research for Developmental Disabilities, Staten Island, NY, 10314 USA changns@mail.ncku.edu.tw.
Abstract:
Since its discovery in 2000, WW domain-containing oxidoreductase (WWOX, FOR or WOX1) has been considered as a tumor suppressor protein. Global research focus has been aimed mainly toward this direction. In this thematic issue, updated information has been collected regarding the structure, function and signaling of WWOX, along with its critical role as a tumor suppressor and participation in metabolism, neurodegeneration, ataxia, epilepsy, neural disorders, neuronal damages, and interactions with oncogenic viruses. WWOX is not a driver of cancer initiation. Chromosomal alterations in the WWOX gene enhance cancer progression. Importantly, a homozygous nonsense mutation of WWOX gene in humans leads to neural pathologies and early death, rather than spontaneous cancer development. These findings suggest new physiological functions of WWOX in metabolism and neural diseases, and these areas require further investigation.
Insights
WW domain-containing oxidoreductase (WWOX) is not a cancer driver but is crucial for neural health. Mutations cause severe neural pathologies, highlighting WWOX
Area of Science:
- Molecular Biology
- Neuroscience
- Oncology
Background:
- WW domain-containing oxidoreductase (WWOX) has been primarily studied as a tumor suppressor.
- Research has focused on its role in cancer initiation and progression.
Discussion:
- WWOX is not a driver of cancer initiation; chromosomal alterations in its gene promote cancer progression.
- Homozygous nonsense mutations in WWOX cause severe neural pathologies and early death in humans, not cancer.
- This suggests critical physiological roles for WWOX beyond tumor suppression, particularly in metabolism and neural function.
Key Insights:
- WWOX's established tumor suppressor role requires re-evaluation.
- WWOX is essential for preventing neural pathologies and ensuring normal metabolism.
- Genetic alterations in WWOX have distinct consequences for cancer versus neurological health.
Outlook:
- Further investigation into WWOX's functions in metabolism and neural diseases is warranted.
- Understanding WWOX's signaling pathways may reveal new therapeutic targets for neurodegenerative disorders.
- Exploring WWOX interactions with oncogenic viruses could offer insights into viral pathogenesis.
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