CD45 is a membrane-associated tyrosine phosphatase that dephosphorylates Src family kinases and Janus kinases (JAKs). To clarify the role of CD45 in hematopoietic differentiation, we examined the effects of anti-CD45 monoclonal antibody NU-L(PAN) on the proliferation and differentiation of umbilical cord blood CD34(+) cells. NU-L(PAN) showed a prominent inhibition of the proliferation of CD34(+...

Monoclonal antibodies that selectively bind to pancreatic tumors may be useful in the therapy and diagnosis of pancreatic carcinoma. In this study we have examined the tumor localization of radioiodinated DU-PAN 1, a mouse monoclonal antibody that is selective for a human pancreatic cancer-associated antigen. After radiolabeling, both DU-PAN 1 intact monoclonal antibody and F(ab')2 fragments re...

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