Otsuka Pharmaceutical Company, Limited

Yeong-Man Hong

Satoru Nakai

Yoshikatsu Hirai

Kazuyoshi Kawai

Yasuo Yanagihara

Mayumi Kaneta

Setsuko Takegata

Yoshikazu Kikumoto

Kiyoshi Ishii

Masayuki Takahashi

Naomi Kouno

Tohru Hirato

A homogeneous interleukin 1.beta. (IL-1.beta.), its derivative having a modified amino acid sequence of IL-1.beta., a gene coding for said derivative, medical composition comprising said derivative as a pharmaceutically effective component and a medicinal use of homogeneous IL-1.beta. and the derivative.

IL-1.beta. and derivatives thereof and drugs

DNA encoding interleukin IL-1.beta. mutant

Methods are disclosed for promoting production of colony stimulating factor and inhibiting growth of Meth A tumor cells comprising administering a pharmaceutically effective amount of modified IL-1.alpha. to a subject.

Methods of use of IL-1.alpha.

This invention relates to a biologically active recombinant human M-CSF obtained by expressing a human M-CSF gene coding for the amino acid sequence of the formula (1) in its entirety or devoid of a portion thereof; a process for preparing the recombinant human M-CSF; an expression plasmid containing the human M-CSF gene defined above; and a transformant haboring the above expression plasmid.

DNA encoding human colony-stimulating factors

Methods for stimulating immunity, inhibiting tumor growth, promoting production of a cytokine, and preventing or inhibiting radiation injury by administration of Interleukin-1.alpha. (IL-1.alpha.) derivatives, are disclosed.

Method and use of IL-1.alpha.

An interleukin-1.alpha. (IL-1.alpha.) derivative having a modified amino acid sequence of IL-1.alpha., a gene coding for said derivative, medicinal composition comprising said derivative as a pharmaceutically effective component and a medicinal use of homogeneous IL-1.alpha..

Gene that encodes for polypeptides of IL-1.alpha.

IL-1.alpha. derivatives and drugs

This invention provides an antitumor active substance GIF, a process for preparing the same, an antitumor composition containing the substance, a gene coding for GIF, a vector containing the gene and a recombinant microorganism, the substance GIF comprises as its component protein polypeptide A of the following primary structure. ##STR1## wherein X is Cys or Ser and Z is H or a peptide represented by the amino acid sequence ##STR2## or a peptide having the above sequence wherein at least one amino acid is removed from the N terminal or an amino acid.

Growing community of inventors

Naruto, Japan

Yeong-Man Hong