Cited by 122Platelet Disorders and TreatmentsCell death mechanisms and regulationBlood Coagulation and Thrombosis Mechanisms

The role of apoptosis in megakaryocytes and platelets

Kile, Benjamin T.·2014·British Journal of Haematology

Abstract

The role of apoptotic pathways in the development and function of the megakaryocyte lineage has generated renewed interest in recent years. This has been driven by the advent of BH3 mimetic drugs that target BCL2 family proteins to induce apoptosis in tumour cells: agents such as ABT-263 (navitoclax, which targets BCL2, BCL-XL [BCL2L1] and BCL2L2) and ABT-199 (a BCL2-specific agent) are showing great promise in early stage clinical trials. However, the major dose-limiting toxicity of navitoclax has proven to be thrombocytopenia, an on-target effect of inhibiting BCL-XL . It transpires that the anucleate platelet contains a classical intrinsic apoptosis pathway, which at steady state regulates its life span in the circulation. BCL-XL is the critical pro-survival protein that restrains apoptosis and maintains platelet viability. These findings have paved the way to a deeper understanding of apoptotic pathways and processes in platelets, and their precursor cell, the megakaryocyte.

Integrity signals

Registry

Crossref · 10.1111/bjh.12757

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96 of 96 references verified0 citation errors · 0 not checkable

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  • Programmed cell death (PCD) pathways, including apoptosis and regulated necrosis, are required for normal cell turnover and tissue homeostasis.

    “Programmed cell death (PCD) pathways, including apoptosis and regulated necrosis, are required for normal cell turnover and tissue homeostasis.”

    From Programmed cell death in aging (2015) · cites this paper as Kile, 2014

  • In the adult, PCD is required for the normal turnover of cells in numerous tissues that are maintained by cell division, including the intestinal epithelium, the blood, the epidermis, kidney and lungs.

    “In the adult, PCD is required for the normal turnover of cells in numerous tissues that are maintained by cell division, including the intestinal epithelium, the blood, the epidermis, kidney and lungs(Elmore, 2007; Gunther et al., 2013; Kile, 2014).”

    From Programmed cell death in aging (2015) · cites this paper as Kile, 2014

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Authors
Kile, B. T.
Affiliations
The University of Melbourne (AU)
Corresponding author
Kile, Benjamin T.
Venue
British Journal of Haematology
Publisher
Wiley
Published
2014-01-28
Volume
165
Issue
2
Pages
217-226
ISSN
  • 0007-1048 (ISSN-L)
  • 1365-2141
OpenAlex
W2039004541
Cited by
122
References
96
Citations by year
2026: 3 · 2025: 1 · 2024: 8 · 2023: 9 · 2022: 10 · 2021: 12 · 2020: 12 · 2019: 11 · 2018: 10 · 2017: 11 · 2016: 19 · 2015: 14 · 2014: 2
FWCI
2.34
Type
journal article
Language
en
Open access
closed
Locations
  • British Journal of Haematology (publishedVersion)
  • PubMed (publishedVersion)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
Topics
  • Health Sciences › Medicine › Hematology › Platelet Disorders and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Health Sciences › Medicine › Hematology › Blood Coagulation and Thrombosis Mechanisms
Keywords
apoptosis, megakaryocytes, platelets, Bcl-xL, Bcl-2 family proteins, BH3 mimetics, navitoclax, venetoclax, thrombocytopenia, platelet survival, megakaryopoiesis
MeSH terms
Animals, Blood Platelets, Humans, Megakaryocytes, Signal Transduction, Platelet Activation, Apoptosis, Caspases

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