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MetabolomicsLiver-specific paraoxonase-1 alleviates regulatory T cell-driven immunosuppression via metabolic reprogramming in hepatocellular carcinoma

Paraoxonase-1 (PON1) is specifically expressed in the liver and has crucial effects on various liver diseases. The functions and mechanisms underlying of PON1 in hepatocellular carcinoma (HCC) remain obscure. Here, we show that PON1 acts as a metabolic regulator to mitigate regulatory T (Treg) ce...

2025-09-07 | MTBLS12950 | MetaboLights
MetabolomicsChanges in L-phenylalanine concentration reflect and predict response to anti-PD-1 treatment combined with chemotherapy in patients with non-small cell lung cancer
Chemotherapy combined with checkpoint blockade antibodies targeting programmed cell death protein (PD-1) has achieved remarkable success in non-small cell lung cancer (NSCLC). However, few patients benefit from long-term treatment. Therefore, biomarkers capable of guiding the optimal therapeutic sel...
2025-06-16 | MTBLS11232 | MetaboLights
MetabolomicsOPA1 promotes ferroptosis by augmenting mitochondrial ROS and suppressing an integrated stress response

Ferroptosis, an iron-dependent form of nonapoptotic cell death mediated by lipid peroxidation, has been implicated in the pathogenesis of multiple diseases. Subcellular organelles play pivotal roles in the regulation of ferroptosis, but the mechanisms underlying the contributions of the mitochond...

2025-07-14 | MTBLS10544 | MetaboLights
ProteomicsComprehensive glycomic and glycoproteomic analysis of human programmed cell death protein 1 extracellular domain
Mass spectrometric analyses of N- and O-glycosylation on human programmed cell death protein 1 extracellular domain (hPD-1 ECD) that expressed by human embryonic kidney 293 (HEK 293) and Chinese hamster ovary (CHO) cells
ORGANISM(S): Homo Sapiens 
2024-01-22 | PXD048448 |
MetabolomicsHERPES SIMPLEX VIRUS TYPE 1 IMPAIRS DENDRITIC CELL FUNCTION BY REMODELLING NEUTRAL LIPID METABOLISM AND INDUCING LIPID DROPLET ACCUMULATION
Herpes simplex virus type 1 (HSV-1) infects dendritic cells (DCs), professional antigen-presenting cells that initiate and regulate host antiviral responses. HSV-1 infects DCs limiting their maturation, migration to draining lymph nodes and T cell activation capacity, ultimately promotes their apopt...
2025-04-03 | MTBLS5163 | MetaboLights
MetabolomicsFuzheng Jiedu Xiaoji Formula Enhances Anti-PD-1 Therapy for Hepatocellular Carcinoma by Inhibiting Regulatory T Cell Lipotoxicity

Background: The objective response rate of anti-programmed death receptor 1 (PD-1) immunotherapy in hepatocellular carcinoma (HCC) remains limited. The tumor immunosuppressive microenvironment mediated by regulatory T cells (Tregs) is a key bottleneck. The traditional Chinese medicine (TCM) compo...

2025-12-05 | MTBLS13458 | MetaboLights
ProteomicsMass Spectrometry-Driven Epitope Mapping: Application of Diethylpyrocarbonate Covalent Labeling for the Immunotherapeutic Target Programmed Cell Death Protein 1
Monoclonal antibodies (mAbs) have transformed cancer immunotherapy, with anti-PD1 mAbs playing a pivotal role. This study introduces diethylpyrocarbonate covalent labeling-mass spectrometry (DEPC CL-MS) as a rapid and sensitive technique for epitope mapping of PD1, a critical target in mAb developme...
ORGANISM(S): Homo Sapiens (ncbitaxon:9606) 
2024-11-26 | MSV000096536 | MassIVE
TranscriptomicsTranscription profiling of rice cells reveal bacterial lipopolysaccharides induce defense responses associated with programmed cell death
PAMP (Pathogen-Associated Molecular Pattern) recognition plays an important role in innate immune responses both in plants and animals. Lipopolysaccharides (LPS) of gram-negative bacteria are a typical PAMP molecule and have been reported to induce defense-related responses such as suppression of hy...
ORGANISM(S): Oryza sativa 
2008-11-06 | E-GEOD-5906 | biostudies-arrayexpress
TranscriptomicsChloroplast-dependent programmed cell death is activated in Arabidopsis cell cultures after singlet oxygen production by Rose Bengal
Arabidopsis thaliana cell suspension cultures (ACSC) were subjected to 30-min, mild chemical treatments with three different singlet oxygen elicitors at low-medium light conditions (150 µE m–2 s–1) with the aim of getting a better understanding of singlet oxygen-mediated defence responses in plants....
ORGANISM(S): Arabidopsis thaliana 
2014-03-13 | E-GEOD-43551 | biostudies-arrayexpress
ProteomicsPD-L1 intracellular interactions that necessitate the TSS motif within the cytoplasmic domain
Lymphatic endothelial cells (LEC) comprise lymphatic vessels that guide immune cells to lymph nodes (LN) and form the subcapsular sinus and cortical and medullary lymphatic structures of the LN. During an active immune response the lymphatics remodel to accommodate the influx of immune cells from th...
ORGANISM(S): Mus Musculus (ncbitaxon:10090) 
2022-06-01 | MSV000089579 | MassIVE
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