Tumor Biology

, Volume 37, Issue 2, pp 1427–1436 | Cite as

The role of lysosome in cell death regulation



Lysosome is a highly membrane-bound organelle which possesses a sequence of biological functions including protein degradation, cell signal transduction, plasma membrane repairment, homoeostasis, and autophagy. The lysosome contains more than 50 soluble acid hydrolases, and the acidification of lysosome is the most important biological characteristic. The integrity of lysosome is of vital importance. During the past few years, it was reported that the destabilization of lysosomal membrane can result in the release of lysosomal contents into cytosol and trigger cell death in a caspase-dependent or caspase-independent pathway. Lysosome functions at the late stage of autophagy and degrades cellular components delivered by autophagosome, which is a complicated process. The present article will summarize the current knowledge on the role of lysosome in cell death regulation and the underlying mechanisms.


Lysosome Apoptosis Autophagy Mitochondria Cancer therapy 



This work was supported by NSFC grant (31370837 and 81573082).

Compliance with ethical standards

Conflicts of interest



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Copyright information

© International Society of Oncology and BioMarkers (ISOBM) 2015

Authors and Affiliations

  1. 1.Key Laboratory of Radiobiology (Ministry of Health), School of Public HealthJilin UniversityChangchunChina
  2. 2.Center for Radiological ResearchColumbia UniversityNew YorkUSA
  3. 3.Department Cancer CareUniversity of ManitobaWinnipegCanada

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