The current study confirms the increased incidence of lymphoma in Chinese patients with pSS, with the majority of B-cell non-Hodgkin's lymphoma. Associations between pSS and other malignant tumours such as myeloid myeloma, mouth cancer, breast cancer and thymoma need to be further observed.
According to cancer statistics reported in 2020, breast cancer constitutes 30% of new cancer cases diagnosed in American women. Histological markers of breast cancer are expressions of the estrogen receptor (ER), the progesterone receptor (PR), and human epidermal growth factor receptor (HER)-2. Up to 80% of breast cancers are grouped as ER-positive, which implies a crucial role for estrogen in breast cancer development. Therefore, identifying potential therapeutic targets and investigating their downstream pathways and networks are extremely important for drug development in these patients. Through high-throughput technology and bioinformatics screening, we revealed that coiled-coil domain-containing protein 167 (CCDC167) was upregulated in different types of tumors; however, the role of CCDC167 in the development of breast cancer still remains unclear. Integrating many kinds of databases including ONCOMINE, MetaCore, IPA, and Kaplan-Meier Plotter, we found that high expression levels of CCDC167 predicted poor prognoses of breast cancer patients. Knockdown of CCDC167 attenuated aggressive breast cancer growth and proliferation. We also demonstrated that treatment with fluorouracil, carboplatin, paclitaxel, and doxorubicin resulted in decreased expression of CCDC167 and suppressed growth of MCF-7 cells. Collectively, these findings suggest that CCDC167 has high potential as a therapeutic target for breast cancer.
Background: The culture of primary human peritoneal mesothelial cell (HPMC) provides us an in vitro tool to investigate peritoneal fibrosis and ultrafiltration failure. The aim of the present study was to establish the method of culturing HPMC and to explore clinical factors associated with the success rate of culture.Methods: HPMCs were aseptically harvested by centrifuge from peritoneal dialysate effluent (PDE) of patients with end-stage renal disease (ESRD) who underwent peritoneal dialysis (PD) catheterization for less than 2 weeks and were cultured in vitro. Cells were identified by simple morphological observation and immunofluorescent staining. Clinical data of PD patients was collected. Comparison between groups and binary logistic regression analysis were employed to explore the clinical factors associated with the success rate of culture.Results: The study included 36 patients (26 male (72.2%); mean age 53.9±15.6 years). HPMC from PDE successfully grew and survived in 22 patients. A typical cobblestone-like appearance was observed by inverted phase contrast microscope. Immunofluorescence staining showed positive expression of cytokeratin-18 (CK-18) and Vimentin. Comparison between groups demonstrated significant differences in diabetes (P=0.041), days from catheterization (P=0.002) and the use of erythrocyte lysate (P=0.019) between the two groups. Multivariate logistic regression analysis revealed that the success rate was correlated with days from catheterization (OR=0.318, 95%CI=0.107-0.946, P=0.039) and the level of C-reactive protein (CRP, OR=0.893, 95%CI=0.805-0.991, P=0.032). Conclusions: The method of culturing primary HPMC from PDE has been successfully established. The success rate of culture is correlated with CRP level and days from catheterization.
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