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in cancer: therapeutic and imaging implications. J Nucl Med 2011, 52:1005–1008.PubMedCrossRef Competing interests The authors declare that they have no competing interests. Authors’ contributions RT: Analyzing data, experimental work, and drafting article. KI: Conception, design, experimental work, and acquiring data. YY: Acquiring and analyzing data of FDG-PET. RK: Acquiring and analyzing data of FDG-PET. HM: Acquiring clinical data. TM: Revising the manuscript, and statistical analysis. YS: Enhancing its intellectual content. All authors read and approved the final manuscript.”
“Background Surgery accompanied with radiotherapy and chemotherapy is the most successful treatment strategy for Buspirone HCl breast cancer. However, 40% of patients die of advanced breast cancer recurrence and metastasis [1]. TA2 mouse strains were bred by the Animal Center of Tianjin Medical University twenty years ago. TA2
mice have a high incidence of spontaneous breast cancer without chemical stimulus. The morbidity of breast cancer in multiparous TA2 mice reaches 84.1% and the average time it takes for tumor initiation and development is 280 days [2]. TA2 spontaneous breast cancer tumor cells show high metastatic ability and the rate of lung metastasis reaches more than 80% [2]. When injecting TA2 breast cancer tumor cells into normal TA2 mice, 1 × 105 cells for each mouse can form a palpable tumor 9 days after injection. Matrix metalloproteinase (MMPs) are very important in the processes of tumor invasion and metastasis through their degradation of the extracellular matrix (ECM) [3, 4]. There are many members of the MMP family. MMPs play an important role in the tissue remodeling associated with various physiological and pathological processes such as morphogenesis, angiogenesis, tissue repair and metastasis.