TMPyP4-regulated cell proliferation and apoptosis through the Wnt/ß-catenin signaling pathway in SW480 cells.

BACKGROUND: The aim of this study was to investigate the potential effects of the 5, 10, 15, 20-tetrakis (1-methylpyridinium-4-yl) porphyrin (TMPyP4) on the proliferation and apoptosis of SW480 cells and the underlying mechanisms by which TMPyP4 exerted its actions. METHODS: After treated with different doses of TMPyP4, cell viability was determined by MTT method, the apoptosis was observed by flow cytometry (FCM) and the expression of Wnt, GSK-3ß, ß-catenin and cyclinD1 was measured by RT-PCR and Western blot analysis. RESULTS: The analysis revealed that TMPyP4 potently suppressed cell viability and induced the apoptosis of SW480 cells in a dose-dependent manner. In addition, the downregulation of Wnt, ß-catenin and cyclinD1 expression levels was detected in TMPyP4-treated SW480 cells. However, followed by the block of Wnt signaling pathway using siRNA methods, the effects of TMPyP4 on proliferation and apoptosis of SW480 cells were significantly reduced. CONCLUSION: It indicates that the TMPyP4-inhibited proliferation and -induced apoptosis in SW480 cells was accompanied by the suppression of Wnt/ß-catenin signaling pathway. Therefore, TMPyP4 may represent a potential therapeutic method for the treatment of colon carcinoma.

[Distribution of Chinese medicine syndrome patterns and its laws in patients with polycystic ovarian syndrome].

OBJECTIVE: To study the distribution laws of the Chinese medicine syndrome patterns and its correlated symptoms in patients with polycystic ovarian syndrome (PCOS), and the possible correlation between Chinese medicine syndrome patterns and PCOS associated parameters, thus to provide a guidance for selecting proper indices in curative effectiveness assessment. METHODS: Using clinical epidemiological methods and mathematical statistics, the Chinese medicine syndrome patterns were studied in 228 PCOS patients. The distribution features of Chinese medicine syndrome patterns were summarized. RESULTS: Shen-deficiency blood-stasis syndrome was the most frequently seen in PCOS patients, followed by Pi-deficiency phlegm-dampness syndrome, Pi-Shen yang-deficiency syndrome, and Shen-yin deficiency syndrome. Positive correlation existed between serum levels of follicle stimulating hormone (FSH) and Pi-Shen yang-deficiency syndrome. Positive correlation existed between fasting blood sugar (FBS), waist to hip ratio (WHR), body mass index (BMI), fasting insulin (FIN), and Hirsutism score and Pi-deficiency phlegm-dampness syndrome. Positive correlation existed between serum levels of prolactin (PRL), estradiol (E2 ) and qi stagnancy and blood stasis syndrome. Positive correlation existed between serum progesterone (PRG) level, FSH, FIN, BMI, acne score and Gan stagnancy and blood heat syndrome. Positive correlation existed between luteinizing hormone (LH) and Shen-deficiency blood-stasis syndrome. Besides, LH/FSH >3 was possibly more frequently seen in Pi-deficiency phlegm-dampness syndrome and Pi-Shen yang-deficiency syndrome. Family heritability could be seen in each syndrome patterns. Among them, female heritability was more often seen in Shen-deficiency blood-stasis syndrome, while male heritability was more often seen in Shen-yin deficiency syndrome. CONCLUSIONS: Shen-deficiency blood-stasis syndrome, Pi-deficiency phlegm-dampness syndrome, Pi-Shen yang-deficiency syndrome, and Shen-yin deficiency syndrome were most frequently seen in PCOS patients. The sex hormones (including 6 items), FBS, FIN, WHR and BMI, etc. were correlated with each Chinese medicine syndrome pattern to various extents, which could be taken as reference in Chinese medicine syndrome differentiation.