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- Title
The Role of Transglutaminase 2 in Cancer: An Update.
- Authors
Zaltron, Elisabetta; Vianello, Federica; Ruzza, Alessia; Palazzo, Alberta; Brillo, Valentina; Celotti, Ilaria; Scavezzon, Matteo; Rossin, Federica; Leanza, Luigi; Severin, Filippo
- Abstract
Transglutaminase type 2 (TG2) is the most ubiquitously expressed and well characterized member of the transglutaminase family. It is a ubiquitous multifunctional enzyme implicated in the regulation of several cellular pathways that support the survival, death, and general homeostasis of eukaryotic cells. Due to its multiple localizations both inside and outside the cell, TG2 participates in the regulation of many crucial intracellular signaling cascades in a tissue- and cell-specific manner, making this enzyme an important player in disease development and progression. Moreover, TG2 is capable of modulating the tumor microenvironment, a process of dynamic tissue remodeling and biomechanical events, resulting in changes which influence tumor initiation, growth, and metastasis. Even if generally related to the Ca2+-dependent post-translational modification of proteins, a number of different biological functions have been ascribed to TG2, like those of a peptide isomerase, protein kinase, guanine nucleotide binder, and cytosolic–nuclear translocator. With respect to cancer, TG2′s role is controversial and highly debated; it has been described both as an anti- and pro-apoptotic factor and is linked to all the processes of tumorigenesis. However, numerous pieces of evidence support a tissue-specific role of TG2 so that it can assume both oncogenic and tumor-suppressive roles.
- Subjects
ENZYME regulation; PEPTIDES; PROTEIN kinases; EUKARYOTIC cells; ISOMERASES; LUNG cancer; TISSUE remodeling; POST-translational modification
- Publication
International Journal of Molecular Sciences, 2024, Vol 25, Issue 5, p2797
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms25052797