Langerhans cells: Difference between revisions

m Improve footnote
m Improve footnotes; Revise text to better reflect former and current views.
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  |date=1868
  |date=1868
  |accessdate=2010-10-20
  |accessdate=2010-10-20
}}</ref> Because of their dendritic nature, he mistakenly identified the cells as part of the nervous system.<ref name="omim-lch">{{OMIM|number=604856|title=Langerhans cell histiocytosis}}</ref>
}}</ref> Because of their dendritic nature, he mistakenly identified the cells as part of the nervous system.<ref>{{REFweb
|url=https://omim.org/entry/604856
|title=Langerhans cell histiocytosis
|trans-title=
|language=
|last=McKusick
|first=Victor A
|author-link=
|publisher=
|website=OMIM
|date=2000-04-20
|accessdate=2019-10-20
|format=
|quote=
}}</ref>


==Function==
==Function==
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  |issue=13
  |issue=13
  |pages=3119-31
  |pages=3119-31
  |url=The dermis contains langerin+ dendritic cells that develop and function independently of epidermal Langerhans cells
  |url=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2150992/
  |quote=
  |quote=
  |pubmedID=18086861
  |pubmedID=18086861
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=== HIV ===
=== HIV ===
====Former hypothesis====


Langerhans cells have been indicted as initial cellular targets in the sexual transmission of HIV,<ref>{{REFjournal
Kawamura ''et al''. (2005) suggested Langerhans cells may be initial cellular targets in the sexual transmission of HIV,<ref>{{REFjournal
  |last=Kawamura
  |last=Kawamura
  |first=Tatsuyoshi
  |first=Tatsuyoshi
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  |issue=3
  |issue=3
  |pages=147-55
  |pages=147-55
  |url=
  |url=https://www.sciencedirect.com/science/article/pii/S0923181105002586
  |quote=
  |quote=
  |pubmedID=16226431
  |pubmedID=16226431
  |pubmedCID=
  |pubmedCID=
  |DOI=10.1016/j.jdermsci.2005.08.009
  |DOI=10.1016/j.jdermsci.2005.08.009
  |date=
  |date=2005-12
  |accessdate=
  |accessdate=https://www.sciencedirect.com/science/article/pii/S0923181105002586
}}</ref> and as a target, reservoir, and vector of dissemination.<ref>{{REFjournal
}}</ref> and as a target, reservoir, and vector of dissemination.<ref>{{REFjournal
  |last=Dezutter-Dambuyant
  |last=Dezutter-Dambuyant
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  |DOI=
  |DOI=
  |date=December 1995
  |date=December 1995
  |accessdate=
  |accessdate=2019-10-20
  |language=French
  |language=French
}}</ref>
}}</ref>


Langerhans cells have been observed in foreskin, vaginal, and oral mucosa of humans; the lower concentrations in oral mucosa suggest that it is not a likely source of [[HIV]] infection relative to foreskin and vaginal mucosa.<ref name="pmid7558138">{{REFjournal
Hussain & Lehner (2005) observed Langerhans cells have been observed in foreskin, vaginal, and oral mucosa of humans; the lower concentrations in oral mucosa suggest that it is not a likely source of [[HIV]] infection relative to foreskin and vaginal mucosa.<ref name="pmid7558138">{{REFjournal
  |last=Hussain
  |last=Hussain
  |first=L.A.
  |first=L.A.
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}}</ref>
}}</ref>


On March 4, 2007 the online Nature Medicine magazine published the letter "Langerin is a natural barrier to HIV-1 transmission by Langerhans cells."<ref>{{REFjournal
====Present view====
 
On March 4, 2007 the online ''Nature Medicine'' magazine published the letter "Langerin is a natural barrier to HIV-1 transmission by Langerhans cells."<ref>{{REFjournal
  |last=De Witte
  |last=De Witte
  |first=Lot
  |first=Lot