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Objective To analyze the prognostic factors in the patients with HER2-positive breast cancer adjuvant treated with trastuzumab. Methods We conducted a retrospective analysis of clinical data of 1 246 patients diagnosed with HER2-positive breast cancer between January 2009 and December 2019 who received treatment with trastuzumab. We investigated the factors impacting their prognosis by the Log-rank test univariate analysis and multivariate COX regression analysis. Results HER2-positive patients treated with trastuzumab had a poor prognosis in pT2-3(HR=2.10, P=0.003), pN2-3(HR=2.81, P

Objective To evaluate the safety of immediate breast reconstruction using deep inferior epigastric perforator (DIEP) flaps in the patients after neoadjuvant treatment. Methods From January 2019 to February 2021, the data of patients with breast cancer undergoing total mastectomy and immediate breast reconstruction using DIEP flap in Comprehensive Breast Health Center, Department of General Surgery, Ruijin Hospital were collected. Comparison of clinicopathological features was done between neoadjuvant treatment group and control group. Univariate analysis was used to compare the rate of surgical complications between two groups. Results A total of 110 patients were enrolled with 23 cases (20.9%) in neoadjuvant treatment group and 87 cases (79.1%) in control group. None of carcinoma in situ (0 vs. 19.5%, P=0.003) and higher pTNM stage (P

A history of chronic cigarette smoking is known to increase risk for acute respiratory distress syndrome (ARDS), but the corresponding risks associated with chronic e-cigarette use are largely unknown. The chromosomal fragile site gene, WWOX, is highly susceptible to genotoxic stress from environmental exposures and thus an interesting candidate gene for the study of exposure-related lung disease. Lungs harvested from current versus former/never-smokers exhibited a 47% decrease in WWOX mRNA levels. Exposure to nicotine-containing e-cigarette vapor resulted in an average 57% decrease in WWOX mRNA levels relative to vehicle-treated controls. In separate studies, endothelial (EC)-specific WWOX knockout (KO) versus WWOX flox control mice were examined under ARDS-producing conditions. EC WWOX KO mice exhibited significantly greater levels of vascular leak and histologic lung injury. ECs were isolated from digested lungs of untreated EC WWOX KO mice using sorting by flow cytometry for CD31+ CD45-cells. These were grown in culture, confirmed to be WWOX deficient by RT-PCR and Western blotting, and analyzed by electric cell impedance sensing as well as an FITC dextran transwell assay for their barrier properties during methicillin-resistant Staphylococcus aureus or LPS exposure. WWOX KO ECs demonstrated significantly greater declines in barrier function relative to cells from WWOX flox controls during either methicillin-resistant S. aureus or LPS treatment as measured by both electric cell impedance sensing and the transwell assay. The increased risk for ARDS observed in chronic smokers may be mechanistically linked, at least in part, to lung WWOX downregulation, and this phenomenon may also manifest in the near future in chronic users of e-cigarettes.

Objective: To analyze the diagnosis, treatment and prognosis of breast cancer patients in Ruijin Hospital for further clinical management and study. Methods Non-metastatic breast cancer patients with surgical treatment in our hospital were included from January 2009 to December 2018. Clinicopathological features of enrolled patients and chan-ging trend of different surgery including breast conserving surgery and sentinel lymph node biopsy (SLNB) in the period of this study were analyzed. Kaplan-Meier curve analysis was used to compare 5-year and 10-year disease free survival (DFS) and overall survival(OS) of patients with different treatments. Results This study had 8 210 patients. There were 959 (11.7%) patients with in situ disease and 5 379(71.3%) patients with negative lymph node in 7 549 patients without neoadjuvant therapy. There were 949(12.6%) cases and 2964 (39.3%) cases with breast cancer at stage 0 and stage I, respectively. A total of 2377(29.0%) patients underwent breast conserving surgery with increase from 16.5% in 2009 to 34.8% in 2013. The patients with SLNB were 4149 cases (52.5%) from 0.6% in 2009 to 69.3% in 2018. All patients from 2009 to 2018 achieved complete follow-up with a median follow-up of 46 months: 5-year and 10-year DFS were 87.6% and 80.5%; 5-year and 10-year OS were 94.2% and 90.7%, respectively. There were 3800 patients with surgery followed from year 2009 to 2014 with a median-follow-up of 79 months: 5-year DFS rate and OS rate were 86.9% and 93.1%; 10-year DFS rate and OS rate were 79.1% and 88.4%, respectively. Conclusions Both rates of breast conserving surgery and SLNB in Ruijin Hospital increased in last 10 years. Patients had more than 93% of 5-year OS with modern treatment modality of breast cancer, which could indicate clinical management and research in future.