Minimally invasive perventricular device closure of ventricular septal defect without cardiopulmonary bypass is a simple, effective, and relatively safe intervention under guidance of transesophageal echocardiography. This method should be considered for patients with ventricular septal defect. Long-term follow-up is necessary.
Tumor invasion and metastasis are closely associated with epithelial-mesenchymal transition (EMT). EMT refers to epithelial cells under physiological and pathological conditions that are specific to mesenchymal transition. Curcumin inhibits EMT progression via Wnt signaling. The Wnt signaling pathway is a conservative EMT-related signaling pathway that is involved in the development of various tumors. In the present study, MTS assays were employed to analyze the proliferation of curcumin-treated cells. Naked cuticle homolog 2 (NKD2), chemokine receptor 4 (CXCR4) and antibodies associated with EMT were examined in SW620 colorectal cancer cell lines using western blot analysis and real-time qPCR. NKD2 small-interfering RNA (siRNA) and CXCR4 expression plasmid was synthesized and transfected into the colorectal cancer cell lines, and NKD2 and CXCR4 expression levels were detected. The results showed that curcumin significantly inhibited the proliferation of colorectal cancer cells and upregulated the expression of NKD2 in SW620 colorectal cancer cells and in the xenograft, resulting in the downregulation of key markers in the Wnt signaling. In addition, the progression of ETM was inhibited due to the overexpression of E-cadherin as well as the downregulation of vimentin. Curcumin also inhibited tumor metastasis by downregulating the expression of CXCR4 significantly. The results suggested involvement of the NKD2-Wnt-CXCR4 signaling pathway in colorectal cancer cells. In addition, curcumin is inhibit this signaling and the development of colorectal cancer.
Purpose Investigate whether 18 F-FDG PET-CT has the potential to predict the major pathologic response (MPR) to neoadjuvant sintilimab in resectable NSCLC patients, and the potential of sifting patients who probably benefit from immunotherapy. Methods Treatment-naive patients with resectable NSCLC (stage IA-IIIB) received two cycles of sintilimab (200 mg, intravenously, day 1 and 22). Surgery was performed between day 29 and 43. PET-CT was obtained at baseline and prior to surgery. The following lean body mass-corrected metabolic parameters were calculated by PET VCAR: SUL max , SUL peak , MTV, TLG, ΔSUL max %, ΔSUL peak %, ΔMTV%, ΔTLG%. PET responses were classified using PERCIST. The above metabolic information on FDG-PET was correlated with the surgical pathology. (Registration Number: ChiCTR-OIC-17013726).Results Thirty-six patients received 2 doses of sintilimab, all of whom underwent PET-CT twice and had radical resection (35) or biopsy (1). MPR occurred in 13 of 36 resected tumors (36.1%, 13/36). The degree of pathological regression was positively correlated with SUL max (p = 0.036) of scan-1, and was negatively correlated with all metabolic parameters of scan-2, and the percentage changes of the metabolic parameters after neoadjuvant therapy (p < 0.05). According to PERCIST, 13 patients (36.1%, 13/36) showed partial metabolic response (PMR), 21 (58.3%, 21/36) had stable metabolic disease, and 2 (5.6%, 2/36) had progressive metabolic disease (PMD). There was a significant correlation between the pathological response and the PET responses which were classified using PERCIST. All (100.0%) the PMR (ΔSUL peak % < − 30.0%) tumors showed MPR. Conclusions 18 F-FDG PET-CT can predict MPR to neoadjuvant sintilimab in resectable non-small cell lung cancer.
A catalyst-free and efficient method is employed to fabricate highly crystalline fluorinated COFs, which exhibit excellent selective dye adsorption performance.
Under transoesophageal echocardiography guidance, DCVSD closure using an eccentric occluder via an ultraminimal intercostal incision is feasible, safe and effective in children. The use of this approach is recommended.
The tripartite motif-containing protein 11 (TRIM11), a member of the TRIM protein family, has attracted much attention because of its involvement in the development of the central nervous system. It has gained renewed focus because of its newly found function in promoting tumors. However, little is known about its role in hepatocellular carcinoma (HCC). In the present study, we found TRIM11 to be overexpressed in HCC tissues and cell lines. Downregulation of TRIM11 inhibited HCC cell proliferation and invasion in vitro and in vivo as well as suppressed the epithelial-mesenchymal transition (EMT) process. In addition, downregulation of TRIM11 decreased the protein expression levels of p-PI3K and p-Akt in HCC cells and thus inhibited activation of the PI3K/Akt signaling pathway. Based on these results, we suggest the importance of TRIM11 in HCC progression and the potential of TRIM11 as a therapeutic target for HCC.
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