Publications by authors named "An-Cheng Qin"

Background: Papillary thyroid carcinoma (PTC) frequently develops lateral lymph node metastasis (LLNM) in 12.6%-32.8% of patients, increasing recurrence risk and mortality.

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Background: This study aims to develop and validate a multi-modal machine learning model for preoperative risk stratification in papillary thyroid carcinoma (PTC), addressing limitations of current systems that rely on postoperative pathological features.

Methods: We analyzed 974 PTC patients from three medical centers in China using a multi-modal approach integrating: (1) clinical indicators, (2) immunological indices, (3) ultrasound radiomics features, and (4) CT radiomics features. Our methodology employed gradient boosting machine for feature selection and random forest for classification, with model interpretability provided through SHapley Additive exPlanations (SHAP) analysis.

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Background: Accurate preoperative identification of central lymph node metastasis (CLNM) is essential for surgical protocol establishment for patients with papillary thyroid microcarcinoma (PTMC). We aimed to develop a clinical and ultrasound characteristics-based nomogram for predicting CLNM.

Methods: Our study included 399 patients who were pathologically diagnosed with PTMC between January 2011 and June 2018.

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Anaplastic thyroid carcinoma (ATC) is one of the most aggressive human malignancies with poor prognosis. However, the underlying mechanisms of ATC remain to be elucidated. Recently, increasing studies have focused on competitive endogenous RNA (ceRNA) to discover valuable biomarkers for the diagnosis of ATC.

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Objective: The aim of this study was to investigate risk factors of occult carcinoma in clinically solitary papillary thyroid carcinoma (PTC) patients, and to put emphasis on the predictive value of risk-scoring model to determine the optimal scope of surgery.

Methods: A total of 573 clinically solitary PTC patients who underwent total thyroidectomy (TT) from two hospitals were retrospectively analyzed. Clinicopathological features were collected, univariate and multivariate analyses were performed to determine risk factors of occult carcinoma.

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A1874 is a novel BRD4-degrading proteolysis targeting chimera (PROTAC). In primary colon cancer cells and established HCT116 cells, A1874 potently inhibited cell viability, proliferation, cell cycle progression, as well as cell migration and invasion. The BRD4-degrading PROTAC was able to induce caspase and apoptosis activation in colon cancer cells.

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Objectives: The purpose of this study was to investigate the significance of tumor number on clinicopathologic factors and outcomes of patients with papillary thyroid carcinoma (PTC).

Methods: We retrospectively analyzed 667 patients with PTC. We compared clinicopathologic features of patients with a different tumor number.

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Background: Although multifocality is often observed in papillary thyroid carcinoma (PTC), the associations with clinicopathologic factors and the prognostic value are still controversial. We aimed to identify the risk factors for multifocality and bilaterality, and investigate the significance of multifocality on prognosis in all PTC, papillary thyroid microcarcinoma (PTMC) and non-PTMC.

Methods: Data from 635 patients who underwent lobectomy/total thyroidectomy plus cervical lymph node dissection for PTC were retrospectively analyzed.

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In papillary thyroid cancer (PTC) patients, cervical lymph node metastases are common, which disseminate sequentially from the central neck to the lateral neck. However, there is also a chaotic pattern of lymph node metastasis occasionally. In this study, we summarized 653 PTC patients who underwent thyroidectomy and central lymph node dissection with or without lateral lymph node dissection from two hospitals to investigate the pattern and risk factors of lateral lymph node metastasis (LLNM) and skip metastasis.

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Background/aims: Bromodomain-containing protein 4 (BRD4) and phosphatidylinositol 3-kinase (PI3K) are key oncogenic cascades in colorectal cancer (CRC). SF1126 is a novel and potent PI3K-BRD4 dual inhibitor.

Methods: CRC cells and human colon epithelial cells were treated with SF1126.

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Objective: To observe the change in the amount of sialic acids on hepatocellular carcinoma (HCC) cell membrane.

Methods: Surgical specimens of HCC and liver cirrhosis tissues were obtained from 28 patients to prepare carcinoma cell and hepatocyte suspensions by collagenase digestion. For assay of α2, 3 and α2, 6-sialic acids, the cells were suspended in the staining buffer containing either fluorescein isothiocyanate-Maackia amurensis lectin (FITC-MAL) or fluorescein isothiocyanate-Sambucus nigra bark lectin (FITC-SNA) and incubated for 1 h, respectively.

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Objective: To evaluate the therapeutic effect of in vitro induced autologous bone marrow-derived liver stem cell transplantation for posthepatitic cirrhosis.

Methods: Between Jun 2008 and Mar 2009, 12 patients with posthepatitic cirrhosis and portal hypertensive underwent azygousportal disconnection and splenectomy in our department. The patients were then divided into two groups to receive autologous bone marrow-deprived liver stem cell infusion via the hepatic artery after in vitro induction for 7 days (n=6) or saline (n=6).

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Objective: To explore practical protocols for cloning bone marrow-derived hepatic stem cells in vitro.

Methods: The cell fraction rich in CD117(+) cells and CD184(+) cells was separated from fresh bone marrow by density gradient centrifugation and cultured for 0, 7 and 14 days in high-glucose DMEM supplemented with or without 10% autologous serum or in serum-free high-glucose DMEM. All the media were supplemented with different concentrations of hepatocyte growth promoting factors (HGPF), thrombopoietin (TPO) and interleukin-3 (IL-3).

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