SIGNAL transducers and activators of transcription (STATs) are activated by tyrosine phosphorylation in response to cytokines and mediate many of their functional responses1–3. Stat4 was initially… (More)
SIGNAL transducers and activators of transcription (Stats) are activated by tyrosine phosphorylation in response to cytokines, and are thought to mediate many of their functional responses1–4. Stat6… (More)
Virus-specific CD8+ effector T cells (eCTL) are enriched in the lungs of mice with primary influenza pneumonia, though later detection of memory T cells (mCTL) in the mediastinal lymph nodes (MLN) or… (More)
A unique experimental model has been developed for dissecting the integrity of CD8 + T cellmediated immunity to a persistent gammaherpesvirus under conditions of CD4 + T cell deficiency. Respiratory… (More)
Influenza virus infection is controlled in CD4-depleted mice that are also defective for the expression of either Fas (Fas-/-) or perforin (P-/-). Virus-immune P+/+ and P-/- CD8+ T cells can thus… (More)
MHC class I molecules present peptides generated by processing of endogenously synthesized proteins to CD8+ T lymphocytes. Recently, large proteolytic complexes, termed proteasomes, were implicated… (More)
A common feature of many infections is that many pathogen-specific memory T cells become established in diverse nonlymphoid tissues. A mechanism that promotes the retention and survival of the memory… (More)
The murine gamma-herpesvirus 68 has many similarities to EBV, and induces a syndrome comparable to infectious mononucleosis (IM). The frequency of activated CD8+ T cells (CD62L(lo)) in the peripheral… (More)
THE major histocompatibility (H) antigens of higher animals show extreme genetic polymorphism equalled, in higher vertebrates, only by that associated with the immunoglobulins1. Maintenance of such a… (More)
The cellularity of the mediastinal lymph nodes of mice infected intranasally with a high dose of an H3N2 influenza A virus increases massively within 5 days. All classes of lymphocytes are involved.… (More)