Gordon R. Johnson

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The protein-tyrosine phosphatase SHP-1 has critical roles in immune signalling, but how mutations in SHP-1 cause inflammatory disease in humans remains poorly defined. Mice homozygous for the Tyr208Asn amino acid substitution in the carboxy terminus of SHP-1 (referred to as Ptpn6(spin) mice) spontaneously develop a severe inflammatory syndrome that(More)
The incidences of chronic inflammatory disorders have increased considerably over the past three decades. Recent shifts in dietary consumption may have contributed importantly to this surge, but how dietary consumption modulates inflammatory disease is poorly defined. Pstpip2(cmo) mice, which express a homozygous Leu98Pro missense mutation in the Pombe(More)
It is well established that murine multipotential and committed erythroid progenitor cells require the presence of a glycoprotein, termed multi-CSF (multi-colony-stimulating factor, IL-3) for clonal proliferation and differentiation in vitro. The initial proliferation of these cells can also be stimulated by two other glycoproteins, granulocyte-macrophage(More)
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