In vitro and in vivo properties of murine monoclonal antibody for a novel immature thymocyte-differentiated antigen, JL1
- PMID: 9290079
- DOI: 10.1016/s0969-8051(97)00026-7
In vitro and in vivo properties of murine monoclonal antibody for a novel immature thymocyte-differentiated antigen, JL1
Abstract
JL1 is a novel thymocyte-differentiated antigen strictly confined to stage II immature cortical thymocytes. It is expressed in several types of leukemias and lymphomas. Murine anti-JL1 monoclonal antibody labeled with 131I and 99mTc showed 60-70% of immunoreactivity and 1.4-1.9 x 10(9) L/mol of affinity constant. The incubation of the radiolabeled antibody with Molt-4 cells showed no evidence of modulation or shedding. Localization indices increased from day 3 to day 5 in SCID mice bearing Molt-4 cells.
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