The term "ATL51" does not appear in peer-reviewed literature, clinical trials, or commercial antibody databases within the provided search results. Potential interpretations:
ATL: Frequently refers to Adult T-cell Leukemia/Lymphoma in oncology literature , but no connection to "51" is documented.
CD51: A well-characterized antigen (integrin alpha V) targeted by antibodies like RMV-7 and MAB1219 , but these are unrelated to "ATL51."
Anti-CD4 antibodies (e.g., alemtuzumab) show efficacy in ATL clinical trials .
Anti-CD123 immunotoxins target interleukin-3 receptors in acute myeloid leukemia .
Typographical Error: "ATL51" may be a misinterpretation of CD51 or ATL1102 (an antisense oligonucleotide targeting CD49d in muscular dystrophy ).
Proprietary Compound: The term might refer to an undisclosed developmental antibody not yet published.
Species/Model Specificity: No murine or humanized antibodies with this designation are documented.