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Tumor Discovery                                               MMP-1 as a potential biomarker for gastric cancer




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            Figure 5. Effect of MMP-1 on the migration of gastric cancer cells detected by scratch healing assay: (A) Effect of upregulation of MMP-1 expression on
            the migration of gastric cancer cells and (B) effect of downregulation of MMP-1 expression on the migration of gastric cancer cells.
            Abbreviations: Ad-MMP-1: MMP-1-overexpression plasmid; NC: Negative control.

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            Figure 6. Effect of MMP-1 on the expression of epithelial-mesenchymal transition-related proteins in gastric cancer cells, as detected by western blotting:
            (A) Western blot detection of related protein expression and (B) grayscale value comparisons of differences in related protein expression levels.
            Abbreviations: Ad-MMP-1: MMP-1-overexpression plasmid; NC: Negative control.

            that  of  matched  paraneoplastic  non-cancerous  tissues,   The low survival rate of numerous stomach cancer
            and its high expression was significantly associated   patients is due to the fact that the tumor is often detected
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            with lymphatic metastasis as well as TNM staging.    in the middle or late stages. 38,39  Timely and comprehensive
            An  association between polymorphisms in the  MMP-1   treatment is crucial for a better prognosis. 40-43  The diagnosis
            promoter and the risk of gastric cancer, particularly in   of gastrointestinal tumors still relies on invasive upper
            conjunction with smoking behavior and  Helicobacter   gastrointestinal endoscopy. 44,45  However, noninvasive tests
            pylori infection, has been reported in Taiwan, potentially   and highly specific biomarkers can provide valuable data
            useful in the early detection and prevention of gastric   for gastric cancer screening and diagnosis. For instance,
            cancer.  This conclusion was drawn from a survey   peripheral blood, 46,47  urine, 48,49  and body fluids such as
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            involving 121 gastric cancer patients and 363 matched   saliva, 50,51  gastric lavage,  and gastric juices 53,54  can serve as
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            healthy volunteers, supported by literature evidence.    good sources.  Population-based surveillance programs have
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            Effective screening methods for early detection can   been effective in reducing gastric cancer-related morbidity
            facilitate the timely treatment of patients and improve   and mortality in several countries. 56,57   Therefore, early
            their chances of survival. 34-37                   diagnosis strategies are crucial for providing timely treatment

            Volume 3 Issue 1 (2024)                         6                          https://doi.org/10.36922/td.1973
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