Ai Sato , Kiyoshi Takagi , Mio Yamaguchi-Tanaka , Jotaro Okushima , Yuto Yamazaki , Akihiro Ito , Takashi Suzuki
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引用次数: 0
Abstract
Prostate cancer is a common malignancy in men around the world, and it is crucial to explore novel biomarkers to improve its treatment. Prostate cancer cells typically invade the surrounding stroma, and remodeling of the extracellular matrix (ECM) is a crucial step in the progress of prostate cancer. Matrix metalloproteinase-3 (MMP3) is an enzyme that degrades several ECM components and is implicated in human malignancies. However, the clinical and biological significance of MMP3 has not been well elucidated.
We therefore immunolocalized MMP3 in prostate cancer tissues (n = 117) and demonstrated that MMP3 immunoreactivity was correlated with aggressive phenotype of prostate cancer, including higher proliferation/invasion ability, and shorter disease-free survival. In addition, subsequent in vitro analysis revealed that overexpression of MMP3 significantly increased the proliferative and migratory abilities of PC-3 and DU-145 prostate cancer cell lines, depending on conditioned media from WMPY-1 prostate stromal cells.
It was concluded that MMP3 might contribute to prostate cancer progression by modifying the ECM surrounding prostate cancer cells and could serve as a potent prognostic factor in prostate cancer.
期刊介绍:
Under new editorial leadership, Experimental and Molecular Pathology presents original articles on disease processes in relation to structural and biochemical alterations in mammalian tissues and fluids and on the application of newer techniques of molecular biology to problems of pathology in humans and other animals. The journal also publishes selected interpretive synthesis reviews by bench level investigators working at the "cutting edge" of contemporary research in pathology. In addition, special thematic issues present original research reports that unravel some of Nature''s most jealously guarded secrets on the pathologic basis of disease.
Research Areas include: Stem cells; Neoangiogenesis; Molecular diagnostics; Polymerase chain reaction; In situ hybridization; DNA sequencing; Cell receptors; Carcinogenesis; Pathobiology of neoplasia; Complex infectious diseases; Transplantation; Cytokines; Flow cytomeric analysis; Inflammation; Cellular injury; Immunology and hypersensitivity; Athersclerosis.