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Programmed cell death 1 (PD-1) is a key cell-surface receptor of CD28 superfamily that triggers inhibitory pathways to attenuate T-cell responses and promote T-cell tolerance. As a crucial role in tumor immunity, PD-1 has been a focus of studies in anti-cancer therapy. It has been approved that tumors could exploit PD-1-dependent immune suppression for(More)
BACKGROUND KH901 is a conditionally replicating oncolytic adenovirus, which reported selectively replicates in and lyses telomerase-positive tumor cells and expresses granulocyte macrophase colony-stimulating factor (GM-CSF). To determine the safety, feasibility and biological activity of KH901, a conditionally replicating oncolytic adenovirus, in patients(More)
Epidermal growth factor receptor (ErbB1, EGFR) is overexpressed in a variety of human cancer cells. It has been considered as a rational target for drug delivery. To identify novel ligands with specific binding capabilities to EGFR, we screened a phage display peptide library and found an enriched phage clone encoding the amino acid sequence YHWYGYTPQNVI(More)
Current pemetrexed/platinum chemotherapy does not produce a satisfactory therapeutic response in advanced lung cancer patients. The aim of this study was to determine whether the administration of gefitinib, a tyrosine kinase inhibitor (TKI), intercalated with pemetrexed/platinum could improve the efficacy in chemotherapy-naïve patients with advanced(More)
PURPOSE Squamous cell carcinoma is the main histological subtype of esophageal cancer in the east Asia. Oxaliplatin and fluorouracil are active agents for esophageal carcinoma. The aim of this phase II study was to evaluate the efficacy and safety of oxaliplatin, fluorouracil and leucovorin in patients with metastatic esophageal squamous cell carcinoma(More)
BACKGROUND/AIMS There is no gold standard to treat primary gastric non-Hodgkin's lymphoma (PG-NHL). Hence, the establishment of effective prognostic factors of PG-NHL is essential for its staging and management. METHODOLOGY We retrospectively analyzed the clinicopathological features of PG-NHL patients who had been diagnosed from 1990 through 2008 in a(More)
BACKGROUND Celastrol, a Chinese herbal medicine, has shown antitumor activity against various tumor cell lines. However, the effect of celastrol on retinoblastoma has not yet been analyzed. Additionally, the poor water solubility of celastrol restricts further therapeutic applications. The goal of this study was to evaluate the effect of celastrol(More)
PURPOSE Celastrol, a traditional Chinese medicine, is widely used in anti-inflammation and anti-angiogenesis research. However, the poor water solubility of celastrol restricts its further application. This paper aims to study the effect of celastrol nanoparticles (CNPs) on corneal neovascularization (CNV) and determine the possible mechanism. METHODS To(More)
Mutations of epidermal growth factor receptor (EGFR) gene are good predictors of response to treatment with EGFR tyrosine kinase inhibitors (TKIs) for non-small cell lung cancer (NSCLC). It is well established that classic mutations, such as in-frame deletions in exon 19 and the point mutation L858R in exon 21, are associated with high sensitivity to EGFR(More)
Lung cancer is the leading cause of cancer-related death in the world. Previous report has identified ribosomal protein s15a (RPS15A) as a TGF-β-responsible gene in the lung adenocarcinoma cell line A549. In this study, we used specific si-RNA to downregulate RPS15A expression in A549 cells and found that decreased RPS15A expression significantly inhibited(More)