Publications by authors named "Tiandong Li"

Background: The association between coffee and pancreatic cancer risk has reported inconsistent results. Therefore, a Mendelian randomization (MR) study was undertaken to investigate the association between coffee and pancreatic cancer from a genetic perspective.

Methods: In East Asian and European populations, independent genetic variants strongly associated with coffee were chosen as instrumental variables (IVs) from relevant genome-wide association studies (GWASs).

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  • Gastrointestinal tumors are a major health issue in Asia, and this study examines their impact over the last three decades using data from the Global Burden of Disease Study 2021.
  • Among these tumors, stomach cancer (SC) had the highest disease burden in 2021, while colorectal cancer (CRC) showed a significant increase in incidence rates.
  • There are notable age and gender differences in the disease burden, with older males at higher risk, and East Asia experiencing a greater impact compared to other regions.
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The physical properties of a biomaterial play a vital role in modulating macrophage polarization. However, discerning the specific effects of individual parameters can be intricate due to their interdependencies, limiting the mechanism underlying a specific parameter on the polarization of macrophages. Here, we engineered silk fibroin (SF) films with tunable surface roughness while maintaining similar physical properties by combining casting and salting out techniques.

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Background: Esophageal squamous cell carcinoma (ESCC) is a deadly cancer with no clinically ideal biomarkers for early diagnosis. The objective of this study was to develop and validate a user-friendly diagnostic tool for early ESCC detection.

Methods: The study encompassed three phases: discovery, verification, and validation, comprising a total of 1309 individuals.

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Background: Although significant advances have been made in the treatment of multiple myeloma (MM), leading to unprecedented response and survival rates among patients, the majority eventually relapse, and a cure remains elusive. This situation is closely related to an incomplete understanding of the immune microenvironment, especially monocytes/macrophages in patients with treatment-naïve MM. The aim of this study was to provide insight into the immune microenvironment, especially monocytes/macrophages, in patients with treatment-naïve MM.

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Aims: This study aimed to investigate environmental factors and genetic variant loci associated with hepatocellular carcinoma (HCC) in Chinese population and construct a weighted genetic risk score (wGRS) and polygenic risk score (PRS).

Methods: A case-control study was applied to confirm the single nucleotide polymorphisms (SNPs) and environmental variables linked to HCC in the Chinese population, which had been screened by meta-analyses. wGRS and PRS were built in training sets and validation sets.

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  • The study aimed to identify new autoantibodies linked to tumor-associated antigens (TAAs) for diagnosing ovarian cancer (OC) and tested them using enzyme-linked immunosorbent assay on samples from both OC patients and normal controls.
  • Machine learning techniques were employed to create a diagnostic panel that included the autoantibodies anti-CFL1, anti-EZR, and anti-CYPA, which showed elevated levels in OC patients compared to controls.
  • This diagnostic panel demonstrated a promising performance with a sensitivity of 55.56% and specificity of 81.31%, identifying a significant portion of OC patients who were negative for existing biomarkers CA125 and HE4, suggesting its potential as an additional diagnostic tool.
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Background: Tumour-associated macrophages (TAMs) are an important component of the tumour microenvironment (TME). However, the crosstalk between oesophageal squamous cell carcinoma (ESCC) cells and TAMs remains largely unexplored.

Methods: Clinical samples and the TCGA database were used to evaluate the relevance of SPP1 and TAM infiltration in ESCC.

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  • The study aimed to find biomarkers for hepatitis B virus-associated hepatocellular carcinoma (HBV-HCC) and created a new diagnostic panel with improved accuracy.
  • Four candidate tumor-associated autoantibodies (anti-ZIC2, anti-CDC37L1, anti-DUSP6, and anti-PCNA) were identified and validated through various testing phases, with some showing better performance than the commonly used alpha-fetoprotein (AFP).
  • The final diagnostic panel that included three of these autoantibodies demonstrated a higher detection rate for early HBV-HCC, especially in AFP-negative cases, suggesting it could complement existing diagnostic methods for more accurate identification of the disease.
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Purpose: The relationship between circulating 25-hydroxyvitamin D [25(OH)D] and pancreatic cancer has been well studied but remains unclear. The purpose of this study was to elucidate the association between circulating 25(OH)D and pancreatic cancer by using a meta-analytic approach.

Methods: PubMed, Embase, and Wed of Science databases were searched through October 15, 2022.

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  • Tumor-associated autoantibodies (TAAbs) show promise as cancer biomarkers, but their specific role in hepatocellular carcinoma (HCC) is not well understood.
  • This study compiled data on 170 TAAbs from various research databases, standardizing them into 162 official symbols to create the hccTAAb atlas, a comprehensive online resource.
  • The atlas, built using R Shiny, offers detailed information and analytical tools (like expression profiles and survival analysis) to aid in HCC research and potentially improve diagnosis and treatment.
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Background: Pancreatic ductal adenocarcinoma (PDAC) is a devastating disease that requires precise diagnosis for effective treatment. However, the diagnostic value of carbohydrate antigen 19 - 9 (CA19-9) is limited. Therefore, this study aims to identify novel tumor-associated autoantibodies (TAAbs) for PDAC diagnosis.

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To evaluate the potential of zinc finger protein 1 (ZPR1) as a diagnostic biomarker and explore the underlying role for esophageal squamous cell carcinoma (ESCC). A human proteome microarray was customized to identify anti-ZPR1 autoantibody, and enzyme-linked immunosorbent assay (ELISA) was adopted to assess the diagnostic performance of anti-ZPR1 autoantibody in 294 patients with ESCC and 294 normal controls. The expression of ZPR1 protein was measured by immunohistochemistry.

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  • * The study utilized protein chips and enzyme-linked immunosorbent assays (ELISA) to analyze anti-MAGEA autoantibody levels in serum samples from ESCC patients and control groups, identifying eight specific autoantibodies associated with higher levels in ESCC.
  • * A logistic regression model demonstrated moderate effectiveness in distinguishing ESCC from healthy controls and benign esophageal diseases, with additional diagnostic accuracy when combined with a cytokeratin fragment, highlighting the potential of anti-MAGEA autoantibodies for ESCC detection.
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Background: BCMA CAR-T is highly effective for relapsed/refractory multiple myeloma(R/R-MM) and significantly improves the survival of patients. However, the short remission time and high relapse rate of MM patients treated with BCMA CAR-T remain bottlenecks that limit long-term survival. The immune microenvironment of the bone marrow (BM) in R/R-MM may be responsible for this.

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Hearing loss is one of the most common sensory disorders in humans. This study proposes a stepwise strategy of deafness gene detection using multiplex PCR combined with high-throughput sequencing, Sanger sequencing, multiplex ligation-dependent probe amplification (MLPA), and whole-exome sequencing (WES) to explore its application in molecular diagnosis of hearing loss families. A total of 152 families with hearing loss were included in this study, the highest overall diagnosis rate was 73% (111/152).

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Silk sericin is a class of protein biopolymers produced by silkworms. Increasing attention has been paid to silk sericin for biomedical applications in the last decade, not only because of its excellent biocompatibility and biodegradability but also due to the pharmacological activities stemming from its unique amino acid compositions. In this review, the biological properties of silk sericin, including curing specific diseases and promoting tissue regeneration, as well as underlying mechanisms are summarized.

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Reduced DNA repair capacity in nucleotide excision repair (NER) pathways owing to genetic variant may influence cancer susceptibility. According to published studies, variants of NER genes associations with colorectal cancer (CRC) risk were inconclusive. Thus, this meta-analysis aimed to explore the possible association.

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Background: Pancreatic cancer (PC) is a malignancy with a poor prognosis and high mortality. Surgical resection is the only "curative" treatment. However, only a minority of patients with PC can obtain surgery.

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Hepatocellular carcinoma (HCC) is a malignancy with a dismal survival rate. The novel autoantibodies panel may provide new insights for the diagnosis of HCC. Biomarkers screened by two methods (bioinformatics and the antigen-antibody system) were taken as candidate tumor-associated antigens (TAAs).

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Pancreatic cancer is a lethal malignancy with a poor prognosis. This study aims to identify pancreatic cancer-related genes and develop a robust diagnostic model to detect this disease. Weighted gene co-expression network analysis (WGCNA) was used to determine potential hub genes for pancreatic cancer.

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Background: The Health Resources and Services Administration (HRSA), an agency within the U.S. Department of Health and Human Services (HHS), works to ensure accessible, quality, health care for the nation's underserved populations, especially those who are medically, economically, or geographically vulnerable.

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Aims: Alcohol intake has been shown to increase the risk of breast cancer. However, the dose-response analysis of different alcoholic beverages (spirits, wine and beer) is not clear. Our meta-analysis aims to provide a dose-response estimation between different alcohols and breast cancer risk.

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Serum autoantibodies that react with tumor-associated antigens (TAAs) can be used as potential biomarkers for diagnosis of cancer. This study aims to evaluate the immunodiagnostic value of 11 anti-TAAs autoantibodies for detection of breast cancer (BC) and establish a diagnostic model for distinguishing BC from normal human controls (NHC) and benign breast diseases (BBD). Sera from 10 BC patients and 10 NHC were used to detect 11 anti-TAAs autoantibodies by western blotting.

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Whether drinking green tea (GT) could reduce the risk of breast cancer (BC) is still controversial. The search was performed using PubMed, Embase and Web of Science databases. The generalised least square method and constrained cubic spline model were performed to assess the dose-response trends between GT consumption and BC risk.

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