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lymphocytic choriomeningitis/phosphatase

הקישור נשמר בלוח
מאמריםניסויים קלינייםפטנטים
12 תוצאות
A genetic variant of the protein tyrosine phosphatase non-receptor 22 (PTPN22) is associated with a wide range of autoimmune diseases; however, the reasons behind its prevalence in the general population remain not completely understood. Recent evidence highlights an important role of autoimmune

Protein tyrosine phosphatase PTPN22 has dual roles in promoting pathogen versus homeostatic-driven CD8 T-cell responses.

רק משתמשים רשומים יכולים לתרגם מאמרים
התחבר הרשם
PTPN22 (protein tyrosine phosphatase non receptor 22) encodes a tyrosine phosphatase that functions as a key regulator of immune homeostasis. In particular, PTPN22 inhibits T-cell receptor signaling and selectively promotes type I interferon responses in myeloid cells. To date, there is little

Normal B lymphocyte development but impaired T cell maturation in CD45-exon6 protein tyrosine phosphatase-deficient mice.

רק משתמשים רשומים יכולים לתרגם מאמרים
התחבר הרשם
The transmembrane tyrosine phosphatase CD45 is expressed in multiple isoforms on all nucleated hematopoietic cells, resulting from alternative splicing of variable exons. We generated mice with a mutation in the variable CD45 exon 6, using homologous recombination. In mice homozygous for the
A model for immunologically T cell-mediated hepatitis was established in mice infected with lymphocytic choriomeningitis virus (LCMV). The severity of hepatitis was monitored histologically and by determination of changes in serum levels of the enzymes alanine aminotransferase (ALT), aspartate

Regulation of innate and adaptive immune responses by MAP kinase phosphatase 5.

רק משתמשים רשומים יכולים לתרגם מאמרים
התחבר הרשם
Mitogen-activated protein (MAP) kinases are essential regulators in immune responses, and their activities are modulated by kinases and phosphatases. MAP kinase phosphatase (MKP) is a family of dual-specificity phosphatases whose function is evolutionarily conserved. A number of mammalian MKPs have

Minimal impact of a de novo-expressed beta-cell autoantigen on spontaneous diabetes development in NOD mice.

רק משתמשים רשומים יכולים לתרגם מאמרים
התחבר הרשם
During an autoimmune process, the autoaggressive response spreads from the initiating autoantigen to other antigens expressed in the target organ. Based on evidence from experimental models for multiple sclerosis, such "antigenic spreading" can play an important role in the exacerbation of clinical

Alterations in the level of CD45 surface expression affect the outcome of thymic selection.

רק משתמשים רשומים יכולים לתרגם מאמרים
התחבר הרשם
CD45 is a receptor protein tyrosine phosphatase whose activity is required for thymocyte development and TCR-mediated signal transduction. Here we show that positive selection of TCR-alphabeta transgenic thymocytes is completely blocked in CD45 exon 6 -/- gene-deficient (CD45 -/-) mice that express

CD8+ T cell responses to a viral escape mutant epitope: active suppression via altered SHP-1 activity.

רק משתמשים רשומים יכולים לתרגם מאמרים
התחבר הרשם
One mechanism viruses use to subvert immune surveillance is through mutation of MHC contact residues of antigenic epitopes that weaken T cell recognition to the point that the immune system is ignorant of the infection. However, in contrast to ignorance, results presented herein demonstrate that

CD45 is required for type I IFN production by dendritic cells.

רק משתמשים רשומים יכולים לתרגם מאמרים
התחבר הרשם
CD45 is a leukocyte tyrosine phosphatase, essential for normal immune responses. We have studied the function of splenic dendritic cells of CD45(+/+), CD45(-/-), CD45RABC and CD45RO transgenic mice. We show that there are increased numbers of plasmacytoid dendritic cells in CD45(-/-) mice. DC of all

PTPN2 regulates the generation of exhausted CD8+ T cell subpopulations and restrains tumor immunity.

רק משתמשים רשומים יכולים לתרגם מאמרים
התחבר הרשם
CD8+ T cell exhaustion is a state of dysfunction acquired in chronic viral infection and cancer, characterized by the formation of Slamf6+ progenitor exhausted and Tim-3+ terminally exhausted subpopulations through unknown mechanisms. Here we establish the

PTPN22 contributes to exhaustion of T lymphocytes during chronic viral infection.

רק משתמשים רשומים יכולים לתרגם מאמרים
התחבר הרשם
The protein encoded by the autoimmune-associated protein tyrosine phosphatase nonreceptor type 22 gene, PTPN22, has wide-ranging effects in immune cells including suppression of T-cell receptor signaling and promoting efficient production of type I interferons (IFN-I) by myeloid cells. Here we show
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