Circ_CIT Promotes Nasopharyngeal Carcinoma Progression and Macrophage M2 Polarization Through miR-409-3p/ZEB1 Axis.

Purpose: Circular RNAs (circRNAs) play a crucial role in the progression of various cancers, including nasopharyngeal carcinoma (NPC). However, the mechanism of circRNA in the progression of NPC remains to be elucidated.

Patients And Methods: The expression levels of circ_CIT, microRNA-409-3p and ZEB1 in NPC tissues were detected by Real-time quantitative PCR (qRT-PCR).

Endoscopic Submucosal Dissection Followed by Chemoradiotherapy Versus Radiotherapy in Patients with Stage T1bN0M0 Esophageal Cancer.

Purpose: To compare survival outcomes between endoscopic submucosal dissection (ESD) followed by chemoradiotherapy versus radiotherapy in stage T1bN0M0 esophageal cancer.

Materials And Methods: Patients with stage T1bN0M0 esophageal cancer between 2000 and 2021 were identified from the Surveillance, Epidemiology, and End Results database. Cancer-specific survival (CSS) and overall survival (OS) were compared between the ESD followed by chemoradiotherapy versus radiotherapy cohorts.

USP49 undergoes liquid-liquid phase separation and stabilizes RPA70 to induce radioresistance through homologous recombination repair in esophageal squamous cell carcinoma.

Radiotherapy is crucial in the comprehensive management of esophageal squamous cell carcinoma (ESCC). Nevertheless, its efficacy is compromised by the emergence of radioresistance, leading to poor prognoses. Accumulating research has underscored the critical role of deubiquitinases (DUBs) in modulating radiosensitivity.

A Nomogram Based on Tumor Response to Induction Chemotherapy and Plasma Epstein-Barr Virus DNA Level after Induction Chemotherapy to Explore Individualized Treatment of Patients with Locally Advanced Nasopharyngeal Carcinoma.

Purpose: To explore the influence of Epstein-Barr virus (EBV) DNA levels before and after induction chemotherapy (IC), tumor response to IC, and baseline factors on overall survival (OS) in patients with locally advanced nasopharyngeal carcinoma (LA-NPC). A nomogram was subsequently constructed to explore the individualized optimal cumulative cisplatin dose (CCD) in concurrent chemoradiotherapy (CCRT).

Methods: A total of 581 LA-NPC patients were included, randomly divided into training and validation cohorts in a 7:3 ratio.

Establishing subdivisions of M1 stage nasopharyngeal carcinoma based on decision tree classification: A multicenter retrospective study.

Objectives: To meet the demand for personalized treatment, effective stratification of patients with metastatic nasopharyngeal carcinoma (mNPC) is essential. Hence, our study aimed to establish an M1 subdivision for prognostic prediction and treatment planning in patients with mNPC.

Materials And Methods: This study included 1239 patients with mNPC from three medical centers divided into the synchronous mNPC cohort (smNPC, n = 556) to establish an M1 stage subdivision and the metachronous mNPC cohort (mmNPC, n = 683) to validate this subdivision.

CircFOXM1 acts as a ceRNA to upregulate SMAD2 and promote the progression of nasopharyngeal carcinoma.

Background: In recent years, the development of high-throughput sequencing technology has promoted the rapid development of circRNA-related research. Studies have found that circRNA plays a key role in a variety of tumors, but few people study the role of circRNA in nasopharyngeal carcinoma. Under comprehensive treatments, the 5-year survival rate can reach about 70%, but some patients still have distant metastases or recurrences after treatment.

KIF18A knockdown reduces proliferation, migration, invasion and enhances radiosensitivity of esophageal cancer.

Kinesin family member 18A (KIF18A) is significantly overexpressed and is related to the poor prognosis of human cancers. However, the function of KIF18A in esophageal cancer (EC) is still unclear. Human EC cell lines were used in this study.

Hsa_circ_0046263 functions as a ceRNA to promote nasopharyngeal carcinoma progression by upregulating IGFBP3.

Accumulating evidences indicate that circular RNAs (circRNAs), a subclass of noncoding RNAs, play important role in regulating gene expression in eukaryotes. Hsa_circ_0046263 (circ-0046263) was found aberrantly expressed in nasopharyngeal carcinoma (NPC), but its role in tumor growth and metastasis remains largely unclear. Sanger sequencing, RNase R assay, and nucleic acid electrophoresis were conducted to verify the identification of circ-0046263.

MiR-154-5p Suppresses Cell Invasion and Migration Through Inhibiting KIF14 in Nasopharyngeal Carcinoma.

Background: Mounting evidence has reported that microRNA-154-5p (miR-154-5p) is involved in the development of multiple cancers, but its function in nasopharyngeal carcinoma (NPC) remains not well investigated.

Methods: Real-time quantitative PCR (qRT-PCR) was used to detect miR-154-5p expression in NPC tissues and cells. CCK8, colony formation, wound healing and transwell assays were performed to assess cell proliferation, migration and invasion.

The anaphase promoting complex promotes NHEJ repair through stabilizing Ku80 at DNA damage sites.

Double-strand breaks (DSBs) are repaired through two major pathways, homology-directed recombination (HDR) and non-homologous end joining (NHEJ). The choice between these two pathways is largely influenced by cell cycle phases. HDR can occur only in S/G2 when sister chromatid can provide homologous templates, whereas NHEJ can take place in all phases of the cell cycle except mitosis.

Erratum: The anaphase promoting complex impacts repair choice by protecting ubiquitin signalling at DNA damage sites.

[This corrects the article DOI: 10.1038/ncomms15751.].

The anaphase promoting complex impacts repair choice by protecting ubiquitin signalling at DNA damage sites.

Double-strand breaks (DSBs) are repaired through two major pathways, homology-directed recombination (HDR) and non-homologous end joining (NHEJ). While HDR can only occur in S/G2, NHEJ can happen in all cell cycle phases (except mitosis). How then is the repair choice made in S/G2 cells? Here we provide evidence demonstrating that APC plays a critical role in choosing the repair pathways in S/G2 cells.

Autoantibodies against glucose-regulated protein 78 as serological biomarkers in metastatic and recurrent hepatocellular carcinoma.

Purpose: To identify Heptocellular carcinoma (HCC) associated antigens by proteomics, and validate whether autoantibodies against tumor-associated antigens (TAAs) could be used for diagnosis and conditional monitoring.

Results: The 78 kDa glucose regulated protein (GRP78) was selected as a candidate TAA. The titers of autoantibodies against 78 kDa glucose regulated protein (GRP78) from patients with HCC, liver cirrhosis (LC), and chronic hepatitis (CH) were significantly higher than that from normal controls (P<0.