Lang Chen

ORCID: 0000-0003-3062-0457
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About
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Research Areas
  • Immune Cell Function and Interaction
  • MicroRNA in disease regulation
  • HIV Research and Treatment
  • Proteins in Food Systems
  • SARS-CoV-2 and COVID-19 Research
  • Cytokine Signaling Pathways and Interactions
  • Food Allergy and Anaphylaxis Research
  • RNA modifications and cancer
  • RNA Interference and Gene Delivery
  • Cancer-related molecular mechanisms research
  • Pancreatic and Hepatic Oncology Research
  • Cytomegalovirus and herpesvirus research
  • PI3K/AKT/mTOR signaling in cancer
  • Viral-associated cancers and disorders
  • interferon and immune responses
  • RNA Research and Splicing
  • Hepatitis B Virus Studies
  • Animal Virus Infections Studies
  • CAR-T cell therapy research
  • Cancer-related gene regulation
  • Microbial Fuel Cells and Bioremediation
  • Epigenetics and DNA Methylation
  • Autophagy in Disease and Therapy
  • Influenza Virus Research Studies
  • Protein Hydrolysis and Bioactive Peptides

Sichuan University
2022-2024

West China Hospital of Sichuan University
2022-2024

Shanghai Veterinary Research Institute
2024

Hubei Academy of Agricultural Sciences
2023-2024

Ministry of Agriculture and Rural Affairs
2023-2024

Hainan Provincial Hospital of Traditional Chinese Medicine
2024

Chinese Academy of Agricultural Sciences
2024

Chongqing University
2020-2023

Wuhan University
2016-2023

National Institute of Allergy and Infectious Diseases
2023

An outbreak of severe acute respiratory syndrome novel coronavirus (SARS-CoV-2) epidemic spreads rapidly worldwide. SARS-CoV-2 infection caused mildly to seriously and fatally respiratory, enteric, cardiovascular, neurological diseases. In this study, we detected analyzed the main laboratory indicators related heart injury, creatine kinase isoenzyme-MB (CK-MB), myohemoglobin (MYO), cardiac troponin I (ultra-TnI), N-terminal pro-brain natriuretic peptide (NT-proBNP), in 273 patients with...

10.1002/jmv.25809 article EN Journal of Medical Virology 2020-03-31

ABSTRACT How viruses evolve to select their receptor proteins for host cell entry is puzzling. We recently determined the crystal structures of NL63 coronavirus (NL63-CoV) and SARS (SARS-CoV) receptor-binding domains (RBDs), each complexed with common receptor, human angiotensin-converting enzyme 2 (hACE2), proposed existence a virus-binding hot spot on hACE2. Here we investigated function this hypothetical using structure-guided biochemical functional assays. The consists salt bridge...

10.1128/jvi.02274-10 article EN Journal of Virology 2011-03-17

Hepatitis B virus (HBV) is a major risk factor for the development and progression of hepatocellular carcinoma. It has been reported that viral infection can interfere with cellular microRNA (miRNA) expression participate in pathogenesis oncogenicity. Here, we report decreasing levels miRNA miR-192-3p associated rising HBV DNA serum patients. We revealed repressed through hepatitis x protein interaction c-myc. further showed was by transfection vitro mouse model, leading to autophagy. Using...

10.1002/hep.30248 article EN cc-by-nc-nd Hepatology 2018-09-04

Hepatitis B viral infection is one of the leading causes hepatocellular carcinoma (HCC) worldwide. Although several factors have been identified that may increase risk for HCC development, molecular mechanisms to transformation normal hepatocytes into cancer cells remain elusive. In this study, we demonstrated intracellular hepatitis e antigen (HBeAg) and its precore precursors, but not their homologous core protein, could associate with NUMB thereby impair stability transcriptional activity...

10.1002/hep.28594 article EN Hepatology 2016-04-23

Hepatitis B virus (HBV) is a major risk factor for the development and progression of hepatocellular carcinoma (HCC). It has been reported that viral infection can interfere with expression cellular microRNA (miRNA) to affect oncogenesis. In this study, we showed miR-520c-3p was upregulated in liver tumor specimens, revealed HBV enhanced through interaction protein X (HBx) transcription CREB1. We further induced by transfection/infection caused epithelial-mesenchymal transition (EMT). Using...

10.1016/j.omtn.2022.05.031 article EN cc-by-nc-nd Molecular Therapy — Nucleic Acids 2022-05-20

The M1 family of metalloproteases represents a large number exopeptidases that cleave single amino acid residues from the N-terminus peptide substrates. One member this has been well studied is aminopeptidase N (APN), multifunctional protease known to biologically active peptides and aide in coronavirus entry. proteolytic activity APN promotes cancer angiogenesis metastasis making it an important target for therapy. To understand substrate specificity development targeted inhibitors, we used...

10.1038/s41598-017-01542-5 article EN cc-by Scientific Reports 2017-04-26

Tumor cell surface aminopeptidase N (APN or CD13) has two puzzling functions unrelated to its enzymatic activity: mediating tumor motility and serving as a receptor for tumor-homing peptides (peptides that bring anti-cancer drugs cells). To investigate APN-based therapy, we determined the crystal structure of APN complexed with peptide containing representative Asn-Gly-Arg (NGR) motif. The binds active site, but it resists degradation due distorted scissile bond. explore motility, examined...

10.1074/jbc.m114.566802 article EN cc-by Journal of Biological Chemistry 2014-10-31

Abstract Background Psoriasis is a persistent inflammatory dermatological disorder. Tanshinone IIA (tan‐IIA) biologically active compound in the self‐made Xiao‐Yin decoction (SMXYD) and exhibits diverse biological properties, such as anti‐proliferative anti‐inflammatory effects. The objective of this investigation was to assess potential tan‐IIA therapeutic agent against psoriasis. Methods Network pharmacology employed ascertain constituents pathways associated with SMXYD We conducted CCK‐8,...

10.1111/srt.13577 article EN cc-by-nc-nd Skin Research and Technology 2024-01-29

Abstract Background The human myxovirus resistance 2 (Mx2/MxB) protein was originally found to regulate cytoplasmic-nuclear transport but recently reported restrict HIV-1 replication by binding capsid (CA), preventing uncoating, the nuclear import of pre-integration complex (PIC) and viral DNA integration. This work explores mechanisms MxB-mediated inhibition. Results We demonstrated that MxB represses NUP358-mediated PIC replication. Moreover, MxB’s effects on depend critically cofactor...

10.1186/s12977-020-00524-2 article EN cc-by Retrovirology 2020-06-29

HIV is the causative pathogen of AIDS, which has generated worldwide concern. Long noncoding RNAs (lncRNAs) are a rising star in virus-host cross-talk pathways; they differentially expressed during many viral infections and involved multiple biological processes. Currently, lncRNA growth arrest-specific transcript 5 (GAS5) known to be downregulated HIV-1 infection. However, functions mechanisms GAS5 infection remain largely unknown. In this report, it was found for first time that could...

10.1089/aid.2017.0177 article EN AIDS Research and Human Retroviruses 2018-03-29

Increasing evidence shows microRNAs (miRNAs) are engaged in hepatocelluar carcinoma (HCC). To identify novel feasible miRNA/mRNA pairs involved hepatocarcinogenesis, an in-depth analysis of miRNomes human non-tumor liver and HCC samples was carried out this study. Firstly, differentially expressed miRNAs were obtained from deep sequencing 15 samples, verified independent data The Cancer Genome Atlas (TCGA) database. Then, mRNA targets selected TCGA, the differential with negative...

10.7150/jca.28167 article EN cc-by-nc Journal of Cancer 2019-01-01

Innate immunity is the first-line defense against antiviral or antimicrobial infection. RIG-I and MDA5, which mediate recognition of pathogen-derived nucleic acids, are essential for production type I interferons (IFN). Here we identified mitochondrion depolarization inducer carbonyl cyanide 3-chlorophenylhydrazone (CCCP) inhibited response activity IFN during viral Furthermore, found that PTEN-induced putative kinase 1 (PINK1) E3 ubiquitin-protein ligase Parkin mediated mitophagy, thus...

10.3389/fimmu.2020.01926 article EN cc-by Frontiers in Immunology 2020-09-02
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