April 22, 1997

A population of T lymphocyte precursor cells is disclosed. In bone marrow, the earliest identifiable T lymphocyte precursor is CD34.sup.+, CD7.sup.+ and Leu 8.sup.+++. Methods of isolation and methods of therapeutic use of such cells also are disclosed.

1

April 22, 1997

07/669,142

March 14, 1991

435/372.3   435/2 435/325 435/7.2

A61K   35/14   (20060101)   A61K   35/28   (20060101)   C12N   5/06   (20060101)   A61K   48/00   (20060101)  

This application is a continuation-in-part of an earlier filed application Ser. No. 517,101, filed May 1,1990, now abandoned.

435/172.3   435/240.2   435/240.21   435/2