Cited by 63Glycosylation and Glycoproteins ResearchSphingolipid Metabolism and SignalingCellular transport and secretion

GPI Transamidase and GPI anchored proteins: Oncogenes and biomarkers for cancer

Gamage, Dilani G., Hendrickson, Tamara L.·2013·Critical Reviews in Biochemistry and Molecular Biology

Abstract

Cancer is second only to heart disease as a cause of death in the US, with a further negative economic impact on society. Over the past decade, details have emerged which suggest that different glycosylphosphatidylinositol (GPI)-anchored proteins are fundamentally involved in a range of cancers. This post-translational glycolipid modification is introduced into proteins via the action of the enzyme GPI transamidase (GPI-T). In 2004, PIG-U, one of the subunits of GPI-T, was identified as an oncogene in bladder cancer, offering a direct connection between GPI-T and cancer. GPI-T is a membrane-bound, multi-subunit enzyme that is poorly understood, due to its structural complexity and membrane solubility. This review is divided into three sections. First, we describe our current understanding of GPI-T, including what is known about each subunit and their roles in the GPI-T reaction. Next, we review the literature connecting GPI-T to different cancers with an emphasis on the variations in GPI-T subunit over-expression. Finally, we discuss some of the GPI-anchored proteins known to be involved in cancer onset and progression and that serve as potential biomarkers for disease-selective therapies. Given that functions for only one of GPI-T's subunits have been robustly assigned, the separation between healthy and malignant GPI-T activity is poorly defined.

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Crossref · 10.3109/10409238.2013.831024

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  • GPI-T is a pentameric enzyme complex of unknown structure.

    “Glycosylphosphatidylinositol transamidase (GPI-T) is a pentameric enzyme complex of unknown structure (88–90)”

    From Computed structures of core eukaryotic protein complexes (2021) · cites this paper as [89]

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Authors
Gamage, D. G., & Hendrickson, T. L.
Affiliations
Wayne State University (US)
Corresponding author
Hendrickson, Tamara L.
Venue
Critical Reviews in Biochemistry and Molecular Biology
Published
2013-08-27
Volume
48
Issue
5
Pages
446-464
ISSN
  • 0045-6411 (ISSN-L)
  • 1040-9238
  • 1549-7798
OpenAlex
W2023876251
Cited by
63
References
178
Citations by year
2026: 3 · 2025: 4 · 2024: 11 · 2023: 5 · 2022: 6 · 2021: 9 · 2020: 7 · 2019: 2 · 2018: 2 · 2017: 2 · 2016: 3 · 2015: 5 · 2014: 4
FWCI
0.38
Type
journal article
Language
en
Open access
closed
Locations
  • Critical Reviews in Biochemistry and Molecular Biology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Glycosylation and Glycoproteins Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Sphingolipid Metabolism and Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular transport and secretion
Keywords
glycosylphosphatidylinositol anchoring, GPI-anchored proteins, oncogenes, tumor markers, bladder cancer, enzyme subunits, tumor progression
MeSH terms
Amino Acid Sequence, Humans, Membrane Glycoproteins, Molecular Sequence Data, Neoplasms, Oncogenes, Biomarkers, Tumor, Glycosylphosphatidylinositols, Aminoacyltransferases

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