Spleen tyrosine kinase inhibition prevents tissue damage after ischemia-reperfusion

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Spleen tyrosine kinase inhibition prevents tissue damage after ischemia-reperfusion.

Reperfusion injury to tissue following an ischemic event occurs as a consequence of an acute inflammatory response that can cause significant morbidity and mortality. Components of both the innate (complement, immunoglobulin, monocytes, and neutrophils) and adaptive (B and T lymphocytes) immune systems have been demonstrated to mediate tissue injury. Spleen tyrosine kinase (Syk) is responsible ...

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Platelets orchestrate remote tissue damage after mesenteric ischemia-reperfusion.

Ischemia-reperfusion (I/R) injury is a leading cause of morbidity and mortality. A functional role for platelets in tissue damage after mesenteric I/R is largely unknown. The hypothesis that mesenteric I/R local and remote injury are platelet dependent was tested. Using a murine mesenteric I/R model, we demonstrate that platelets orchestrate remote lung tissue damage that follows mesenteric I/R...

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Spleen Tyrosine Kinase Inhibition Modulates p53 Activity

Spleen tyrosine kinase (SYK) is a cytoplasmic enzyme that promotes survival and proliferation of B cells. SYK inhibition has shown promising results in the treatment of arthritis and chronic lymphocytic leukemia (CLL). However, in other context, it has been shown that SYK overexpression in epithelial cancer cells induced senescence in p53-dependent mechanism, which underscored its antineoplasti...

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Inhibition of spleen tyrosine kinase prevents mast cell activation and airway hyperresponsiveness.

RATIONALE Spleen tyrosine kinase (Syk) is important for Fc and B-cell receptor-mediated signaling. OBJECTIVE To determine the activity of a specific Syk inhibitor (R406) on mast cell activation in vitro and on the development of allergen-induced airway hyperresponsiveness (AHR) and inflammation in vivo. METHODS AHR and inflammation were induced after 10 d of allergen (ovalbumin [OVA]) expos...

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Spleen tyrosine kinase inhibition prevents chemokine- and integrin-mediated stromal protective effects in chronic lymphocytic leukemia.

The microenvironment provides essential growth and survival signals to chronic lymphocytic leukemia (CLL) cells and contributes to their resistance to cytotoxic agents. Pharmacologic inhibition of spleen tyrosine kinase (SYK), a key mediator of B-cell receptor (BCR) signaling, induces apoptosis in primary CLL cells and prevents stroma contact-mediated cell survival. This report demonstrates a r...

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ژورنال

عنوان ژورنال: American Journal of Physiology-Gastrointestinal and Liver Physiology

سال: 2010

ISSN: 0193-1857,1522-1547

DOI: 10.1152/ajpgi.00198.2010