T-cell receptor Vβ use predicts reactivity and tolerance to Mlsa- encoded antigens

…, R Schneider, RK Lees, RC Howe, H Acha-Orbea… - Nature, 1988 - nature.com
T lymphocytes reactive with the product of the Mls a -allele of the minor lymphocyte stimulating
(Mls) locus use a predominant T-cell receptor β-chain variable gene segment (V β6 ). …

Mini‐review: specificity and expression of CIITA, the master regulator of MHC class II genes

…, T Suter, A Fontana, H AchaOrbea… - European journal of …, 2004 - Wiley Online Library
The class II transactivator (CIITA) has been referred to as the "master control factor" for the
expression of MHC class II (MHCII) genes. As our knowledge on the specificity and function of …

The changing preference of T and B cells for partners as T‐dependent antibody responses develop

ICM MacLennan, A Gulbranson‐Judge… - Immunological …, 1997 - Wiley Online Library
Recirculating virgin CD4 + T cells spend their life migrating between the T zones of
secondary lymphoid tissues where they screen the surface of interdigitating dendritic cells. T‐cell …

BAFF, a novel ligand of the tumor necrosis factor family, stimulates B cell growth

…, P Lawton, S Bixler, H Acha-Orbea… - The Journal of …, 1999 - rupress.org
Members of the tumor necrosis factor (TNF) family induce pleiotropic biological responses,
including cell growth, differentiation, and even death. Here we describe a novel member of …

Fibroblastic reticular cells in lymph nodes regulate the homeostasis of naive T cells

…, TK Vogt, S Favre, MR Britschgi, H Acha-Orbea… - Nature …, 2007 - nature.com
Interleukin 7 is essential for the survival of naive T lymphocytes. Despite its importance, its
cellular source in the periphery remains poorly defined. Here we report a critical function for …

A molecular basis for MHC class II—associated autoimmunity

JA Todd, H Acha-Orbea, JI Bell, N Chao, Z Fronek… - Science, 1988 - science.org
Class II major histocompatibility (MHC) molecules have an immunoregulatory role. These
cell-surface glycoproteins present fragments of protein antigens (or peptides) to thymus-…

Limited heterogeneity of T cell receptors from lymphocytes mediating autoimmune encephalomyelitis allows specific immune intervention

H Acha-Orbea, DJ Mitchell, L Timmermann, DC Wraith… - Cell, 1988 - cell.com
Experimental allergic encephalomyelitis(EAE) is an induced autoimmune disease mediated
by CD4+ T lymphocytes. Analysis of T cell receptors of myelin basic protein-specific …

Leishmania RNA Virus Controls the Severity of Mucocutaneous Leishmaniasis

…, LF Lye, SM Hickerson, SM Beverley, H Acha-Orbea… - Science, 2011 - science.org
Mucocutaneous leishmaniasis is caused by infections with intracellular parasites of the
Leishmania Viannia subgenus, including Leishmania guyanensis. The pathology develops after …

Identification of proteoglycans as the APRIL-specific binding partners

…, F Qiang, L Gorelik, SL Kalled, H Acha-Orbea… - The Journal of …, 2005 - rupress.org
B cell activating factor of the tumor necrosis factor (TNF) family (BAFF) and a proliferation-inducing
ligand (APRIL) are closely related ligands within the TNF superfamily that play …

Less Mortality but More Relapses in Experimental Allergic Encephalomyelitis in CD8-/- Mice

DR Koh, WP Fung-Leung, A Ho, D Gray, H Acha-Orbea… - Science, 1992 - science.org
Mice lacking in CD8 were generated from homologous recombination in embryonal stem
cells at the CD8 locus and bred with the experimental allergic encephalomyelitis (EAE)…