Immunosuppression and melanocyte proliferation.

Abstract:

:Melanocytes are pigmented cells derived from the neural crest; their proliferation is restrained by immune system. The eruption of nevi after an immunosuppressive condition is a peculiar phenomenon indicating that the immune system may play a major role in limiting proliferation of melanocytes. In this review, we analyze the role of immunosuppressive regimens on melanocyte proliferation. In particular, we discuss the eruptive nevi phenomenon, which is determined by the inability of the immune system to inhibit melanocyte proliferation. These clinical observations indicate that the immune system has a pivotal role in restraining melanocyte proliferation. However, although the role of the immune system in the development of nonmelanoma skin cancer has been shown clearly in several studies involving organ transplant patients, the role of immunosuppression in melanoma genesis has not yet been established. Further investigations are required to establish the real immunogenicity of melanoma, particularly in the light of the dichotomy between the eruptive nevi phenomenon in immunosuppressed patients and the low incidence of melanoma in transplanted patients.

journal_name

Melanoma Res

journal_title

Melanoma research

authors

Zattra E,Fortina AB,Bordignon M,Piaserico S,Alaibac M

doi

10.1097/CMR.0b013e328322fc20

subject

Has Abstract

pub_date

2009-04-01 00:00:00

pages

63-8

issue

2

eissn

0960-8931

issn

1473-5636

journal_volume

19

pub_type

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