Marked induction of HSP47, a collagen-binding stress protein, during solid tumor formation of ascitic Sarcoma 180 in vivo. 1995

M Morino, and T Tsuzuki, and H Iijima, and T Shirakami, and Y I Kiyosuke, and Y Ishikawa, and M Yoshimura, and C Yoshikumi
Kureha Chemical Industry Co., Ltd., Tokyo, Japan.

HSP47, a heat shock-inducible glycoprotein of Mr = 47,000, is assumed to be a molecular chaperone specific for collagen. In addition to its stress inducibility, HSP47 has transformation-sensitivity; that is, the synthesis of HSP47 decreases after malignant transformation. We developed a rat monoclonal antibody against mouse HSP47, which we then used to examine the amounts of HSP47 in transplanted tumors. HSC70 (HSP73) was expressed constitutively in these ascites as well as solid tumors. While HSP47 was not expressed in ascitic form of Sarcoma 180, its expression was markedly induced during solid tumor formation of ascitic Sarcoma 180 cells after subcutaneous transplantation. The average survival period of ascites Sarcoma 180-bearing mice was 20.3 +/- 3.6 days (mean +/- SD), and was much shorter than that of solid Sarcoma 180-bearing mice. These findings suggest an important role of HSP47 in solid tumor formation as well as a possible marker for tumor malignancy.

UI MeSH Term Description Entries
D008813 Mice, Inbred ICR An inbred strain of mouse that is used as a general purpose research strain, for therapeutic drug testing, and for the genetic analysis of CARCINOGEN-induced COLON CANCER. Mice, Inbred ICRC,Mice, ICR,Mouse, ICR,Mouse, Inbred ICR,Mouse, Inbred ICRC,ICR Mice,ICR Mice, Inbred,ICR Mouse,ICR Mouse, Inbred,ICRC Mice, Inbred,ICRC Mouse, Inbred,Inbred ICR Mice,Inbred ICR Mouse,Inbred ICRC Mice,Inbred ICRC Mouse
D009368 Neoplasm Transplantation Experimental transplantation of neoplasms in laboratory animals for research purposes. Transplantation, Neoplasm,Neoplasm Transplantations,Transplantations, Neoplasm
D003094 Collagen A polypeptide substance comprising about one third of the total protein in mammalian organisms. It is the main constituent of SKIN; CONNECTIVE TISSUE; and the organic substance of bones (BONE AND BONES) and teeth (TOOTH). Avicon,Avitene,Collagen Felt,Collagen Fleece,Collagenfleece,Collastat,Dermodress,Microfibril Collagen Hemostat,Pangen,Zyderm,alpha-Collagen,Collagen Hemostat, Microfibril,alpha Collagen
D006360 Heat-Shock Proteins Proteins which are synthesized in eukaryotic organisms and bacteria in response to hyperthermia and other environmental stresses. They increase thermal tolerance and perform functions essential to cell survival under these conditions. Stress Protein,Stress Proteins,Heat-Shock Protein,Heat Shock Protein,Heat Shock Proteins,Protein, Stress
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012510 Sarcoma 180 An experimental sarcoma of mice. Sarcoma 180, Crocker,Crocker Sarcoma 180
D013534 Survival Continuance of life or existence especially under adverse conditions; includes methods and philosophy of survival.
D015153 Blotting, Western Identification of proteins or peptides that have been electrophoretically separated by blot transferring from the electrophoresis gel to strips of nitrocellulose paper, followed by labeling with antibody probes. Immunoblotting, Western,Western Blotting,Western Immunoblotting,Blot, Western,Immunoblot, Western,Western Blot,Western Immunoblot,Blots, Western,Blottings, Western,Immunoblots, Western,Immunoblottings, Western,Western Blots,Western Blottings,Western Immunoblots,Western Immunoblottings
D050958 HSP47 Heat-Shock Proteins Basic glycoprotein members of the SERPIN SUPERFAMILY that function as COLLAGEN-specific MOLECULAR CHAPERONES in the ENDOPLASMIC RETICULUM. Heat-Shock Protein 47,Heat Shock Protein 47,Serpin H1,HSP47 Heat Shock Proteins,Heat-Shock Proteins, HSP47
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus

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