C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 15/12 (2006.01) A61K 38/17 (2006.01) C07K 14/47 (2006.01) C07K 16/18 (2006.01) C12N 15/62 (2006.01) C12N 15/85 (2006.01) C12Q 1/68 (2006.01) G01N 33/53 (2006.01) A61K 48/00 (2006.01)
Patent
CA 2267095
A nucleic acid sequence encoding Mammastatin, a specific mammary cell growth inhibitor. Mammastatin is encoded by a single nucleic acid sequence and has an approximate molecular weight of 44 kDa in its inactive, non-phosphorylated form. Normal mammary cells express functional phosphorylated forms having approximate molecular weights of 53 kDa and 49 kDa. Metastatic mammary cells either do not express Mammastatin at all, or do not express the 53 kDa or 49 kDa, phosphorylated forms. Mammary cancer cells are inhibited in their growth by the administration of phosphorylated Mammastatin.
L'invention concerne une séquence nucléotidique codant pour la mammastatine, un inhibiteur de croissance spécifique de cellule mammaire. La mammastatine est codée par une seule séquence nucléotidique, et possède un poids moléculaire approximatif de 44 kDa dans sa forme inactive, non phosphorylée. Les cellules mammaires normales expriment des formes phosphorylées fonctionnelles possédant des poids moléculaires approximatifs de 53 kDa et 49 kDa. Des cellules mammaires métastatiques, ou n'expriment pas du tout la mammastatine, ou n'expriment pas les formes phosphorylées à 53 kDa ou 49 kDa. L'administration de mammastatine phosphorylée permet d'inhiber la croissance de cellules mammaires cancéreuses.
Robic
The Regents Of The University Of Michigan
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