Phospholipase C families: Common themes and versatility in physiology and pathology
Open accessAbstract
Phosphoinositide-specific phospholipase Cs (PLCs) are expressed in all mammalian cells and play critical roles in signal transduction. To obtain a comprehensive understanding of these enzymes in physiology and pathology, a detailed structural, biochemical, cell biological and genetic information is required. In this review, we cover all these aspects to summarize current knowledge of the entire superfamily. The families of PLCs have expanded from 13 enzymes to 16 with the identification of the atypical PLCs in the human genome. Recent structural insights highlight the common themes that cover not only the substrate catalysis but also the mechanisms of activation. This involves the release of autoinhibitory interactions that, in the absence of stimulation, maintain classical PLC enzymes in their inactive forms. Studies of individual PLCs provide a rich repertoire of PLC function in different physiologies. Furthermore, the genetic studies discovered numerous mutated and rare variants of PLC enzymes and their link to human disease development, greatly expanding our understanding of their roles in diverse pathologies. Notably, substantial evidence now supports involvement of different PLC isoforms in the development of specific cancer types, immune disorders and neurodegeneration. These advances will stimulate the generation of new drugs that target PLC enzymes, and will therefore open new possibilities for treatment of a number of diseases where current therapies remain ineffective.
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Currently, knowledge of PLCγ2 signalling pathways in macrophages and microglia is scant compared to PLCγ signalling in B- and T-cells.
“Currently, we have a rather scant knowledge of PLCγ2 signalling pathways in macrophages and microglia, when compared to PLCγ signalling in B- and T-cells [2, 58].”
From TREM2/PLCγ2 signalling in immune cells: function, structural insight, and potential therapeutic modulation (2021) · cites this paper as [58]
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- Authors
- Katan, M., & Cockcroft, S.
- Affiliations
- Institute of Structural and Molecular Biology (GB)
- University College London (GB)
- Corresponding author
- Cockcroft, Shamshad
- Venue
- Progress in Lipid Research
- Publisher
- Elsevier BV
- Published
- 2020-11
- Volume
- 80
- Pages
- 101065
- ISSN
- 0163-7827 (ISSN-L)
- OpenAlex
- W3088889248
- Cited by
- 89
- References
- 486
- Citations by year
- 2026: 7 · 2025: 20 · 2024: 17 · 2023: 21 · 2022: 14 · 2021: 10
- FWCI
- 1.08
- Type
- journal article
- Language
- en
- Open access
- green
- discovery.ucl.ac.uk
- Locations
- Progress in Lipid Research (publishedVersion)
- PubMed (publishedVersion)
- UCL Discovery (University College London) (submittedVersion)
- Funders
- Biotechnology and Biological Sciences Research Council
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › PI3K/AKT/mTOR signaling in cancer
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Sphingolipid Metabolism and Signaling
- Keywords
- phosphatidylinositol-specific phospholipase C, PLC isoforms, signal transduction, enzyme structure, autoinhibition, cancer, immune disorders, neurodegeneration
- MeSH terms
- Protein Domains, Animals, Humans, Neoplasms, Type C Phospholipases, Signal Transduction, High-Throughput Screening Assays
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