High expression of lncRNA-ATB indicated a poor prognosis and led to the cell proliferation and metastasis in NSCLC.
Background: Previous studies of the second-line treatment for advanced gastric cancer or gastroesophageal junction adenocarcinoma (GC/GEJAC) had reported that apatinib combined with chemotherapy improved the treatment outcomes. However, the benefits were sometimes limited due to the tolerance of continuous dose regimen. This randomized controlled study aimed to investigate the efficacy and safety of intermittent or continuous dose apatinib plus docetaxel as a second-line therapy in patients with advanced GC/GEJAC. Methods: Advanced GC/GEJAC patients who failed first-line chemotherapy were recruited (enrollment time: from September 15, 2017 to July 21, 2019), and randomly assigned to either the intermittent dose group (IG group) or the continuous dose group (CG group) (1:1 ratio) using the block randomization method. In the IG group, patients received apatinib 500 mg/d for 5 consecutive days then held for 2 days plus docetaxel 60 mg/m 2 q3w, in a 3-week cycle. In the CG group, patients received apatinib 500 mg daily plus docetaxel 60 mg/m 2 q3w, in a 3-week cycle. The progression free survival (PFS) was evaluated every two cycles and follow-ups were performed monthly. The primary endpoint was PFS, and the secondary endpoints were objective response rate (ORR), disease control rate (DCR), overall survival (OS), and safety.Results: In total, 76 eligible patients were enrolled and randomly assigned (1:1 ratio). The IG group exhibited similar PFS compared to the CG group [median PFS: 3.88 (95% CI: 1.72-6.03) months vs. 3.98 (95% CI: 1.06-6.90) months, P=0.546] and OS [median OS: 9.00 (95% CI: 5.31-12.70) months vs. 9.40 (95% CI: 5.20-13.59) months, P=0.310]. ORR (21.1% vs. 18.4%, P=0.773) and DCR (60.5% vs. 60.5%, P=1.000) were of not statistically different between the IG and CG groups. As for safety, the IG group exhibited less frequent hypoproteinemia (31.6% vs. 55.3%, P=0.037) and lactate dehydrogenase increased (18.4% vs. 44.7%, P=0.014), while no differences in other adverse events were observed between the two groups.Conclusions: Intermittent dose apatinib plus docetaxel was equally effective and more tolerable than continuous dose apatinib plus docetaxel as a second-line therapy in patients with advanced GC/GEJAC.
Abstract.The present study aimed to analyze the clinical characteristics and prognosis-related factors of non-small cell lung cancer (NSCLC) patients with bone metastases at the time of diagnosis. A total of 46 NSCLC patients with skeletal metastases at the time of diagnosis from Anhui Provincial Hospital and Anhui Provincial Cancer Hospital Affiliated to Anhui Medical University (Hefei, China) between February 2010 and February 2012 were investigated retrospectively. The median age was 58 years, with a range of 40-80 years, the ratio of males and females was 2:1, and adenocarcinoma and squamous cell carcinoma accounted for 71.7 and 28.3% of cases, respectively. Furthermore, 84.8% of patients exhibited multiple skeletal metastases at more than two sites and 54.3% of patients experienced skeletal-related events at the time of diagnosis. The median overall survival (OS) time of the patients was 237 days, and Kaplan-Meier analysis demonstrated that patients with adenocarcinoma (P=0.002), single bone metastases (P=0.023), an Eastern Cooperative Oncology Group performance status of 0-1 (P<0.001) or positive expression of estrogen receptor (ER)-β (P=0.039) exhibited significantly longer survival times. Furthermore, multivariate analysis identified the following independent predictors of OS: Tumor subtype (P=0.022), the number of bone metastases (P=0.016) and an ER-β-positive tumor (P=0.035). In the cohort of NSCLC patients with bone metastases at the time of diagnosis, adenocarcinoma and multiple skeletal metastases were most common.
Hepatitis B virus (HBV) infection has been reported to be associated with gastric cancer (GC). Nonetheless, no study has revealed the role of HBV infection in the survival of patients with GC, and the mutation profiles of HBV-infected patients with GC have never been documented. Here, we performed an updated meta-analysis and found a significantly increased risk of GC in HBV-infected individuals (sOR, 1.29; 95% CI, 1.22-1.37). Furthermore, we observed that in the Anhui area, the rate of serum HBsAg positivity (OR, 1.62; 95% CI, 1.03-2.55) was significantly higher in GC patients than in controls. Moreover, our results showed that HBV-positive patients had significantly worse disease-free survival (HR, 1.98; 95% CI, 1.39-2.82) and overall survival (HR, 1.84; 95% CI, 1.19-2.85) than HBV-negative patients. The results of Cox proportional hazards regression proved that HBV infection was an independent adverse prognostic factor in GC. Furthermore, by performing targeted-NGS, we found unique mutation profiles in HBV-infected GC samples, including five frequently mutated protein-coding genes (KMT2B, KMT2D, SOX1, FGF12, and TUBB2B). Expression and survival analyses of these genes identified three novel candidate genes that may have potential roles in GC development. Gene Ontology enrichment analysis showed that the recurrent mutations in HBV-positive GC samples were related to cell proliferation, cell migration, and transcription. Taking together, our study proved that HBV infection is an independent prognostic factor in GC patients. The unique mutation profiles of HBV-infected patients with GC open a new research direction toward the underling mechanism between HBV infection and GC.
Previous studies have indicated that centromere protein K (CENPK) is upregulated in several cancers and related to tumorigenesis. Nevertheless, the potential function of CENPK in gastric cancer (GC) remains unknown. Here, we investigated the function of CENPK on oncogenicity and explored its underlying mechanisms in GC. Our results showed that CENPK was dramatically overexpressed in GC and was associated with poor prognosis through bioinformatics analysis. We demonstrated that CENPK is upregulated in GC tissues and cell lines. Moreover, knockdown of CENPK significantly inhibited proliferation in vitro and attenuated the growth of implanted GCs in vivo. In addition, CENPK silencing induced G1 phase cell cycle arrest and facilitated apoptosis of GC cells. KEGG pathway analysis indicated that the PI3K‐AKT signalling pathway was considerably enriched. Knockdown of CENPK decreased the expression of PI3K, p‐Akt (Ser437) and p‐GSK3β (Ser9) in GC cells, and increased the expression of PTEN. In conclusion, this study indicated that CENPK was overexpressed in GC and may promote gastric carcinogenesis through the PTEN‐PI3K‐AKT signalling pathway. Thus, CENPK may be a potential target for cancer therapeutics in GC.
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