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Micromass cultures represent a convenient means for studying chondrocyte biology, and, in particular, their death. In this review, we focused the different kinds of chondrocyte death through a comparison between data reported in the literature. Chondrocytes show necrotic features and, occasionally, also apoptotic features, but usually undergo a new form of cell death called Chondroptosis, which occurs in a non-classical manner. Chondroptosis has some features in common with classical apoptosis, such as cell shrinkage, chromatin condensation, and involvement, not always, of caspases. The most crucial peculiarity of chondroptosis relates to the ultimate elimination of cellular remnants. Independent of phagocytosis, chondroptosis may serve to eliminate cells without inflammation in situations in which phagocytosis would be difficult. This particular death mechanism is probably due to the unusual condition chondrocytes both in vivo and in micromass culture. This review highlights on the morpho-fuctional alterations of articular cartilage and focus attention on various types of chondrocyte death involved in this degeneration. The death features have been detailed and discussed through in vitro studies based on tridimensional chondrocyte culture (micromasses culture). The study of this particular mechanism of cartilage death and the characterization of different biological and biochemical underlying mechanisms can lead to the identification of new potentially therapeutic targets in various joint diseases.<\/jats:p>","DOI":"10.1007\/s00441-022-03639-4","type":"journal-article","created":{"date-parts":[[2022,5,26]],"date-time":"2022-05-26T01:03:07Z","timestamp":1653526987000},"page":"159-170","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":62,"title":["Chondrocyte death involvement in osteoarthritis"],"prefix":"10.1007","volume":"389","author":[{"given":"S.","family":"Salucci","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"E.","family":"Falcieri","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4028-0652","authenticated-orcid":false,"given":"M.","family":"Battistelli","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2022,5,26]]},"reference":[{"key":"3639_CR1","doi-asserted-by":"publisher","first-page":"67","DOI":"10.2519\/jospt.2017.7286","volume":"47","author":"IN Ackerman","year":"2017","unstructured":"Ackerman IN, Kemp JL, Crossley KM, Culvenor AG, Hinman RS (2017) Hip and knee osteoarthritis affects younger people, too. 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