The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 08, 1998
Filed:
Mar. 03, 1995
Applicant:
Inventors:
Yuzuru Eto, Yokohama-shi, Kanagawa-ken, JP;
Tomoko Tsuji, Kawasaki-shi, Kanagawa-ken, JP;
Satoshi Takano, Yokohama-shi, Kanagawa-ken, JP;
Misako Takezawa, Yokohama-shi, Kangawa-ken, JP;
Yasunori Yokogawa, Yamato-shi, Kanagawa-ken, JP;
Hiroshiro Shibai, Chigasaki-shi, Kanagawa-ken, JP;
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K / ;
U.S. Cl.
CPC ...
530350 ; 530324 ; 530399 ; 930260 ; 930D / ; 930D / ;
Abstract
A physiologically active polypeptide, BUF-3, having the ability to differentiate and maturate human leukemia cells into normal cells and of accelerating the formation of erythroblasts is disclosed. The polypeptide has a molecular weight of 16.+-.1 Kd as determined by SDS-electrophoresis in the presence of 1% mercaptoethanol, or 25.+-.1 Kd, as determined by SDS-electrophoresis in the absence of mercaptoethanol.