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Esophageal squamous cell carcinoma (ESCC) is one of the most common types of cancer in China, with poor prognosis and lack of effective targeted therapy. It has been reported that ibrutinib possesses anticancer activity in ESCC with MYC and/or ERBB2 amplification. Here we explored the synergistic antitumor effect of a novel multi-kinase inhibitor APG-2449 with ibrutinib in ESCC and clarified the mechanism of the combination effect through in vitro and in vivo experiment. We found that APG-2449 exerted antitumor effect in ESCC. APG-2449 combined with ibrutinib showed synergistic inhibition of cell viability in ESCC cell lines. APG-2449 combined with ibrutinib dramatically inhibited the proliferation and migration of ESCC cells. Furthermore, we observed that ibrutinib combined with APG-2449 could induce more cancer cells arrested in the G1/S phase and apoptosis. R428 supplier In terms of mechanism, ibrutinib alone could decrease the phosphorylation level of EGFR and its downstream pathway of MEK/ERK. The combination therapy of APG-2449 and ibrutinib could significantly down-regulate the phosphorylation level of MEK/ERK and AKT. In ESCC xenotransplantation models, single therapy with either ibrutinib or APG-2449 was equivalent in delaying tumor growth, while the combination therapy suppressed tumor growth more significantly. Our data strongly suggest that the combination therapy of APG-2449 and ibrutinib can provide an effective therapeutic strategy for ESCC patients, which deserved further clinical investigation.The management of intraductal papilloma (IDP) diagnosed on core needle biopsy (CNB) is controversial due to the variable upgrade rates to breast carcinoma (BC) on subsequent surgical excision reported in the literature. The purpose of our study was to investigate the upgrade rate of IDP diagnosed on CNB to BC in subsequent surgical excision and the impact of clinical, pathologic, and radiologic variables. This is a retrospective cohort of all women who had a diagnosis of IDP on a CNB between 2005 and 2018 in a tertiary academic center with subsequent surgical excision. Upgrade was defined as ductal carcinoma in situ (DCIS) and invasive carcinoma on surgical excision. Statistical analyses included Pearson's chi-square, Wilcoxon rank-sum, and logistic regression. A total of 216 women with IDP in a CNB were included. Nineteen patients (8.8%) upgraded to BC in the overall cohort, including 14 DCIS and 5 invasive carcinomas. An upgrade rate of 27% was found in atypical IDP (14 of 51 cases), while only 3% of pure IDP upgraded to BC (5 of 165 cases). Older age (>53 years) at the time of biopsy (odds ratio [OR] = 1.05, 95% confidence interval [CI] = 1.01-1.09, p = 0.027) and concomitant atypical ductal hyperplasia (ADH) (OR = 9.69, 95% CI = 3.37-27.81, p less then 0.0001) were significantly associated with upgrade. Our results support surgical excision of IDP on CNB when associated with ADH or diagnosed in women aged older than 53 years. The low surgical upgrade rate of 3% for pure IDP on CNB in younger women should be part of the management discussion.Programmed death ligand 1 (PD-L1) protein expression is a proposed predictive biomarker of immunotherapy; thus, identification of the clinicopathological and molecular characteristics associated with PD-L1 expression is important and necessary. We examined PD-L1 immunohistochemical expression and its relationships with the clinicopathological and molecular characteristics of patients with surgically resected nonsmall cell lung carcinoma. PD-L1 expression differed according to the histological subtype. Among 633 patients with adenocarcinoma, 523 (82.6%) had no PD-L1 expression, 78 (12.3%) low expression, and 32 (5.1%) high expression. PD-L1 expression was more common in men (p less then 0.001), in smokers (p = 0.002), and in patients with a more advanced stage (p = 0.002), the solid predominant subtype (p less then 0.001), no epidermal growth factor receptor(EGFR) mutations (p less then 0.001), a high MIB-1 labeling index (p less then 0.001), and positive p53 immunohistochemical expression (p less theus cell carcinoma, may be useful for selecting patients with a good response to immune checkpoint inhibitors.
Measurement of lipoprotein subclass concentration (-c), particle number (-p), and size (-s) by nuclear magnetic resonance (NMR) has gained traction in the clinical laboratory due to associations between smaller lipid particle sizes and atherogenic risk, especially for LDL-p. The standard protocols for lipoprotein measurements by NMR require fasting blood samples; however, patients may not fast properly before sample collection. The study objective was to evaluate the impact of fasting status on the NMR-based lipid profile and to identify key parameters differentiating between fasting and post-meal specimens.

Forty-eight self-reported healthy male and female participants were recruited. Blood was collected after a 12h fast and 4h after a high fat meal. Samples were analyzed using the AXINON LipoFIT by NMR assay. The measurements included triglyceride, total cholesterol, IDL-c, and LDL, HDL, VLDL concentration, particle number, and size, as well as glucose, and four amino acids (alanine, valine, leucine and isoleucine).

As expected, triglycerides increased after the meal (58%, p<0.0001). Significant changes were also observed for VLDL, LDL, and HDL parameters, and the branched chain amino acids. The ratio of Valine*VLDL-c/LDL-c or Isoleucine*VLDL-c/LDL-c provided equally effective differentiation of fasting and post-meal samples. The ratio cutoffs (79.1 and 23.6 when calculated using valine and isoleucine, respectively) had sensitivities of 86% and specificities of 93-95%.

The clinical impact on NMR results from post-meal samples warrants further evaluation. Algorithms to differentiate fasting and post-meal specimens may be useful in identifying suboptimal specimens.
The clinical impact on NMR results from post-meal samples warrants further evaluation. Algorithms to differentiate fasting and post-meal specimens may be useful in identifying suboptimal specimens.Fibroblast Growth Factor 23 (FGF23) is a bone-derived hormone that reduces kidney phosphate reabsorption and 1,25(OH)2 vitamin D synthesis via its required co-receptor alpha-Klotho. To identify novel genes that could serve as targets to control FGF23-mediated mineral metabolism, gene array and single-cell RNA sequencing were performed in wild type mouse kidneys. Gene array demonstrated that heparin-binding EGF-like growth factor (HBEGF) was significantly up-regulated following one-hour FGF23 treatment of wild type mice. Mice injected with HBEGF had phenotypes consistent with partial FGF23-mimetic activity including robust induction of Egr1, and increased Cyp24a1 mRNAs. Single cell RNA sequencing showed overlapping HBEGF and EGF-receptor expression mostly in the proximal tubule, and alpha-Klotho expression in proximal and distal tubule segments. In alpha-Klotho-null mice devoid of canonical FGF23 signaling, HBEGF injections significantly increased Egr1 and Cyp24a1 with correction of basally elevated Cyp27b1. Additionally, mice placed on a phosphate deficient diet to suppress FGF23 had endogenously increased Cyp27b1 mRNA, which was rescued in mice receiving HBEGF.
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