Guangfu Li

ORCID: 0000-0002-9817-568X
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About
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Research Areas
  • Epigenetics and DNA Methylation
  • Histone Deacetylase Inhibitors Research
  • Cancer, Hypoxia, and Metabolism
  • X-ray Diffraction in Crystallography
  • Crystallization and Solubility Studies
  • Cancer Cells and Metastasis
  • Cancer Immunotherapy and Biomarkers
  • Cancer Genomics and Diagnostics
  • CAR-T cell therapy research
  • Immune Cell Function and Interaction
  • Cancer Research and Treatments
  • Immunotherapy and Immune Responses
  • Aldose Reductase and Taurine
  • Hepatocellular Carcinoma Treatment and Prognosis
  • Pancreatic and Hepatic Oncology Research
  • Immune cells in cancer
  • Gut microbiota and health
  • Lung Cancer Diagnosis and Treatment
  • Bioinformatics and Genomic Networks
  • Liver Disease Diagnosis and Treatment
  • Parasites and Host Interactions
  • Cancer, Stress, Anesthesia, and Immune Response
  • Endoplasmic Reticulum Stress and Disease
  • Gene Regulatory Network Analysis
  • Cancer Mechanisms and Therapy

Harry S. Truman Memorial Veterans' Hospital
2019-2024

University of Missouri Health System
2020-2024

University of Missouri
2016-2024

University of Connecticut
2024

Washington University in St. Louis
1995-2024

UConn Health
2024

First Affiliated Hospital of Anhui Medical University
2023-2024

Anhui Medical University
2023-2024

Northeast Normal University
2018-2024

Bio-Medical Science (South Korea)
2023

Abstract The interplay between western diet and gut microbiota drives the development of non-alcoholic fatty liver disease its progression to steatohepatitis. However, specific microbial metabolic mediators contributing steatohepatitis remain be identified. Here, a choline-low high-fat high-sugar diet, representing typical named CL-HFS, successfully induces male mouse with some features human disease, such as hepatic inflammation, steatosis, fibrosis. Metataxonomic metabolomic studies...

10.1038/s41467-023-35861-1 article EN cc-by Nature Communications 2023-01-16

Phosphatidylinositol (PI) 3-kinases have been implicated in several aspects of intracellular membrane trafficking, although a detailed mechanism is yet to be established. In this study we demonstrated that wortmannin, specific inhibitor PI 3-kinases, inhibited constitutive endocytosis horseradish peroxidase and transferrin BHK-21 TRVb-1 cells. The IC50 was approximately 40 ng/ml (93 nM). addition, wortmannin blocked the stimulation uptake by small GTPase Rab5 but not GTPase-defective,...

10.1073/pnas.92.22.10207 article EN Proceedings of the National Academy of Sciences 1995-10-24

Ceramide, a sphingolipid metabolite, affects T-cell signaling, induces apoptosis of cancer cells, and slows tumor growth in mice. However, it has not been used as chemotherapeutic agent because its cell impermeability precipitation aqueous solution. We developed nanoliposome-loaded C6-ceremide (LipC6) to overcome this limitation investigated effects mice with liver tumors.Immune competent C57BL/6 received intraperitoneal injections carbon tetrachloride intra-splenic oncogenic hepatocytes. As...

10.1053/j.gastro.2017.10.050 article EN cc-by-nc-nd Gastroenterology 2018-01-31

Background Minimally invasive radiofrequency ablation (RFA) is used as a first-line treatment option for hepatocellular cancer (HCC) with the weaknesses of incomplete ablation, tumor recurrence, and inferior outcomes. To overcome this limitation, we proposed to develop sunitinib-RFA integrated therapy potential activating anti-HCC immune response. Methods Using our unique murine model, developed novel RFA platform modified human cardiac RF generator. Therapeutic efficacy sunitinib–RFA...

10.1136/jitc-2020-001038 article EN cc-by-nc Journal for ImmunoTherapy of Cancer 2020-10-01

Tumor-associated macrophages (TAMs), as a major and essential component of tumor microenvironment (TME), play critical role in orchestrating pancreatic cancer (PaC) tumorigenesis from initiation to angiogenesis, growth, systemic dissemination, well immunosuppression resistance chemotherapy immunotherapy; however, the intrinsic factors responsible for TAMs reprograming function remain be identified. By performing single-cell RNA sequencing, transforming growth factor-beta-induced protein...

10.1016/j.canlet.2023.216457 article EN cc-by-nc-nd Cancer Letters 2023-10-19

ATF5 loss of function has been shown previously to cause apoptotic cell death in glioblastoma and breast cancer cells but not non-transformed astrocytes human epithelial cells. The mechanism for the type-dependent survival is unknown. We report here that anti-apoptotic factor BCL-2 a downstream target mediates prosurvival C6 glioma MCF-7 binds an ATF5-specific regulatory element adjacent negative P2 promoter, stimulating expression. Highlighting critical role ATF5-dependent survival,...

10.1074/jbc.m110.207639 article EN cc-by Journal of Biological Chemistry 2011-01-07

Background: Colorectal cancer (CRC) metastasectomy improves survival, however most patient develop recurrences. Circulating tumor cells (CTCs) are an independent prognostic marker in stage IV CRC. We hypothesized that CTCs can be enriched during applying different isolation techniques. Methods: 25 CRC patients undergoing liver (16 (64%)) or lung (9 (36%)) were prospectively enrolled (clinicaltrial.gov identifier: NCT01722903). Central venous (liver) radial artery (lung) outflow blood (7.5...

10.1080/15384047.2015.1030556 article EN Cancer Biology & Therapy 2015-03-25

In addition to the FDA-approved definition of a circulating tumor cell (CTC), various CTC phenotypes have been discovered. Epithelial-mesenchymal transition (EMT) cancer cells is directly linked PD-L1 upregulation. The goal study was investigate expression and EMT in CTCs non-small lung (NSCLC) patients, perform an outcome analysis. Prospectively, 7.5 mL peripheral blood collected from 30 NSCLC patients that underwent surgery 15 healthy controls. were enriched by size-based microfilter...

10.3390/cancers11060806 article EN Cancers 2019-06-11

Blockade of the interaction between programmed cell death ligand-1 (PD-L1) and its receptor PD-1 has shown great success in cancer immunotherapy. Peptides possess unique characteristics that give them significant advantages as immune checkpoint inhibitors. However, unfavorable physicochemical properties proteolytic stability profiles limit translation bioactive peptides therapeutic agents. Studies have revealed cyclization improves biological activity linear peptides. In this study, we...

10.1021/acs.jmedchem.2c00539 article EN Journal of Medicinal Chemistry 2022-09-06

Pancreatic cancer is the sixth leading cause of cancer-related mortality globally. As most common form pancreatic cancer, ductal adenocarcinoma (PDAC) represents up to 95% all cases, accounting for more than 300,000 deaths annually. Due lack early diagnoses and high refractory response currently available treatments, PDAC has a very poor prognosis, with 5-year overall survival rate less 10%. Targeted therapy immunotherapy are highly effective have been used treatment many types cancer;...

10.3390/cancers16101808 article EN Cancers 2024-05-09

Pancreatic ductal adenocarcinoma (PDAC) is a highly lethal malignancy with very poor prognosis. Despite advancements in treatment strategies, PDAC remains recalcitrant to therapies because patients are often diagnosed at an advanced stage. The stage of characterized by metastasis, which typically renders it unresectable surgery or untreatable chemotherapy. tumor microenvironment (TME) comprises proliferative myofibroblast-like cells and hosts the intense deposition extracellular matrix...

10.3390/cancers16081470 article EN Cancers 2024-04-11

In real-world scientific discovery, human beings always make use of the accumulated prior knowledge with imagination pick select one or a few most promising hypotheses from large and noisy data analysis results. this study, we introduce new type graph structure, text-numeric (TNG), which is defined as entities associations have both text-attributed information numeric information. The TNG an ideal structure model for novel discovery via reasoning because it integrates human-understandable...

10.48550/arxiv.2501.16361 preprint EN arXiv (Cornell University) 2025-01-20

Although both the heat shock protein 70 (HSP70) and activating transcription factor 5 (ATF5) have been shown to promote cell survival of transformed cells but not non-transformed cells, relationship two molecules is unknown. Here we show that HSP70 ATF5 are concomitantly up-regulated upon transient down-regulated over prolonged cellular stress apoptotic stimulation in rat C6 glioma human U87 cells. interacts strongly with N-terminal activation domain ATF5, which expected be rigid uniquely...

10.1074/jbc.m110.211771 article EN cc-by Journal of Biological Chemistry 2011-04-27

Transforming growth factor-β (TGF-β)-induced fibroblast activation is a key pathological event during tissue fibrosis. Long noncoding RNA (lncRNA) class of versatile gene regulators participating in various cellular and molecular processes. However, the function lncRNA still poorly understood. In this study, we identified arrest-specific transcript 5 (GAS5) as novel regulator for TGF-β-induced activation. GAS5 expression was downregulated cultured fibroblasts by TGF-β resident from...

10.1152/ajpcell.00059.2020 article EN AJP Cell Physiology 2020-05-06

Abstract Purpose: Systemic treatments given to patients with non–small cell lung cancer (NSCLC) are often ineffective due drug resistance. In the present study, we investigated patient-derived tumor organoids (PDTO) and matched tissues from surgically treated NSCLC identify repurposing targets overcome resistance toward standard-of-care platinum-based doublet chemotherapy. Experimental Design: PDTOs were established 10 prospectively enrolled non-metastatic resected tumors. compared by...

10.1158/1078-0432.ccr-23-3980 article EN cc-by-nc-nd Clinical Cancer Research 2024-07-17
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