Immunological, paracrine and endocrine aspects of testicular immune privilege.

Abstract:

:Protection of the spermatogenic cells from the host immune response is fundamental to male fertility. Significantly, this protection extends to the tolerance of foreign tissue grafts placed within the testicular environment, a phenomenon that is called 'immune privilege'. This privilege of the testis appears to involve several levels of immune control, encompassing the normal mechanisms of immune tolerance, antigen sequestration behind the blood-testis barrier, reduced immune activation, localised immunosuppression and antigen-specific immunoregulation. Central to these regulatory processes are the somatic cells of the testis, particularly the Sertoli cells, and testicular secretions, including androgens, cytokines, peptides and bioactive lipids. Failure of these protective mechanisms, which may be precipitated by trauma, inflammation or infection, or as the consequence of genetic factors, can lead to androgen deficiency, infertility and autoimmunity.

journal_name

Mol Cell Endocrinol

authors

Meinhardt A,Hedger MP

doi

10.1016/j.mce.2010.03.022

subject

Has Abstract

pub_date

2011-03-15 00:00:00

pages

60-8

issue

1

eissn

0303-7207

issn

1872-8057

pii

S0303-7207(10)00186-3

journal_volume

335

pub_type

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