Internalization and nuclear translocation of IFN-gamma and IFN-gammaR: an ultrastructural approach.

Abstract:

:IFN-gamma signalling involves the Jak-STAT pathway. However, several hypothesis have been proposed where the receptor and its ligand itself took an active role within the cell. Using a quantitative immunogold approach, we found that both IFN-gamma and its receptor are rapidly internalized and translocated in the nucleus. We found that cell surface heparan sulfate, which binds IFN-gamma, delayed the nuclear accumulation of IFN-gamma suggesting that these molecules serve as storage depot around the cell for local delivery of the cytokine.

journal_name

Cytokine

journal_title

Cytokine

authors

Sadir R,Lortat-Jacob H,Morel G

doi

10.1006/cyto.1999.0606

keywords:

subject

Has Abstract

pub_date

2000-06-01 00:00:00

pages

711-4

issue

6

eissn

1043-4666

issn

1096-0023

pii

S1043-4666(99)90606-3

journal_volume

12

pub_type

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