Talk:Programmed cell death

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July 2004: "Programmed cell death" had been, until today, redirected to "Apoptosis". But for some time now, it became more and more necessary to have a separate article on PCD. First, because, PCD and apoptosis are not synonimous (as explained in the new article on PCD). One of the founding figures in the field, Richard Lockshin, has pointed this out repeatedly (see, for instance, Lockshin and Zakeri: "Programmed cell death and apoptosis: origins of the theory", Nature Reviews Molecular Cell Biology, cited in the article), as well as other authors and researchers (see both Schwarz et al.and Bursh et al., as referenced in the article).

Another reason for splitting the apoptosis article is that it was getting too big, at the same time that it was encompassing concepts that did not properly belong there, such as plant PCD. -- jaimeglz

April 2006: I totally agree. I am researching on PCD besides caspase-dependent apoptosis and i am grateful for the separation of apoptosis from PCD. PCD is more than apoptosis and there are diverse regulated pathways for a cell to die ;-). -- lt

December 2007: It needs to talk about recent studies on PCD in bacteria - GASP phenotype, toxin/antidote addiction modules, and possibly the entericidin locus. -- jinkbl0t —Preceding unsigned comment added by 136.152.178.103 (talk) 20:22, 3 December 2007 (UTC)[reply]

Cornification/keratinization

If we're going to mention cornification as a type of programmed cell death, why not also discuss keratinization of epithelia in the formation of skin and nail? 130.113.193.20 (talk) 15:20, 5 February 2009 (UTC)[reply]

Atrophic factors

Text and/or other creative content from this version of Atrophic factor was copied or moved into Programmed cell death with this edit. The former page's history now serves to provide attribution for that content in the latter page, and it must not be deleted as long as the latter page exists.

Bold merge, due to WP:NOTDIC, stub has not improved in many years, single source, no footnotes, no indication of notability Chzz ► 16:45, 11 February 2011 (UTC)[reply]

“[PCD] usually confers advantage during an organism's life-cycle”

What advantage exactly does PCD confer to the organism? I didn't find an explanation in the article. One should probably be added; if not in the lead section, then in the body of the article. EIN (talk) 07:57, 8 January 2013 (UTC)[reply]

I've copy-pasted the following text from the apoptosis article to the lead section of this article, but I'm hoping to hear about a post-natal advantage.

For example, the differentiation of fingers and toes in a developing human embryo occurs because cells between the fingers apoptose; the result is that the digits are separate.

EIN (talk) 17:27, 10 January 2013 (UTC)[reply]

Well there are many many necessary physiological examples of post natal physiological apoptosis.. eg in the thymus.. Apoptosis is part of the reason why we do not grow clones of autoreactive T lymphocytes (but it is combined with other mechanisms like anergy etc to prevent autoreactive ones amonth the surviving autoreactive lymphocytes). --Dr.saptarshi (talk) 17:14, 21 January 2013 (UTC)[reply]

Assessment comment

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This article focuses on programmed cell death (PCD) in plants and slime moulds, discusses the evolutionary origins, and has a link to phenoptosis.

Its main weaknesses are as follows:

1. In the Introductory first lines it contrasts PCD with necrosis, ignoring the current debate on programmed necrosis. 2. It specifies only 2 main types of PCD. In this it follows the error of Scwartz et al. (1993), who equate autophagic cell death with the "cytoplasmic type", but these two types are very different morphologically, and most researchers consider them to be distinct. Most researchers follow Clarke's (1990) classification into 3, not 2, main types of cell death, according to which apoptosis is type 1, autophagic cell death is type 2, and the cytoplasmic type is type 3B (3A is a rare subtype). 3. The article says nothing about the most widely studied areas of research on PCD including: - vertebrate development; - different types of PCD in cancer therapy; - different types of PCD in various acute diseases including excitotoxicity and stroke, neonatal asphyxia, ischemia of the heart; - neurodegenerative diseases.

PGHClarke 12:34, 24 July 2007 (UTC)[reply]

Last edited at 12:34, 24 July 2007 (UTC). Substituted at 03:26, 30 April 2016 (UTC)

Wiki Education assignment: Bio 401 Cell Biology S2024

This article was the subject of a Wiki Education Foundation-supported course assignment, between 23 January 2024 and 9 May 2024. Further details are available on the course page. Student editor(s): Ruialty (article contribs). Peer reviewers: JPH2002.

— Assignment last updated by JPH2002 (talk) 18:49, 21 April 2024 (UTC)[reply]