Talk:Perforin-1

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Untitled[edit]

The picture shown is for complement-mediated lysis, not perforin. Should it be changed? Wedgeoli 15:55, 11 December 2006 (UTC)[reply]

Yeah, that picture shouldn't be up there. Taking it down. —The preceding unsigned comment was added by 74.73.63.209 (talk) 04:58:44, August 19, 2007 (UTC)

Hi - the picture is intended to illustrate the fold of the MACPF domain, which is the lytic part of perforin (perforin also contains an EGF and a C2 domain, the latter domain is probaby positioned in a similar fashion to the beta-prism domain of Plu-MACPF). Complement proteins such as C6-C9 also have the same MACPF domain type as their lytic centre - hence this type of picture could be used to illustrate both families. I therefore feel that the picture is useful to illustrate the perforin page - it obviously would be better to shoulw a perforin structure, but unfortunately that as not been solved yet! Jcwhizz 15:57, 20 September 2007 (UTC)[reply]

Endocytosis[edit]

There are two hypothesises(sp?) as to how Perforin helps granzyme enter the cell, pore formation is only one of them, the other hypothesis is that it somehow induces the target cell to endocytose the granzyme molecules, and that pore formation, if it does happen, only occurs at high concentrations of Perforin.

outlined here: http://www.nature.com/nri/journal/v6/n12/full/nri1983.html Perforin-mediated target-cell death and immune homeostasis, Voskoboinik et al, (2006)Nature Reviews Immunology 6, 940-952. Philman132 (talk) 11:45, 26 April 2009 (UTC)[reply]

Link to news article of results of 10 year study: http://www.financialexpress.com/news/Scientists-find---assassin---protein-that-kills-rogue-cells/705606/ —Preceding unsigned comment added by 174.1.193.20 (talk) 04:10, 3 November 2010 (UTC)[reply]

Wiki Education assignment: Immunology[edit]

This article is currently the subject of a Wiki Education Foundation-supported course assignment, between 29 January 2024 and 14 May 2024. Further details are available on the course page. Student editor(s): Angelacorflores (article contribs). Peer reviewers: BiologyBarbie, Immune2inaccuracy.

— Assignment last updated by Immune2inaccuracy (talk) 20:27, 21 April 2024 (UTC)[reply]