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ProteomicsA Novel Approach for Generating Antigen Interference-Free Anti-Peptide Polyclonal Antibodies for Quantitative Measurements of Low-Abundance Protein Biomarkers Using Ultra-Sensitive Anti-Peptide Immunocapture LC-MS/MS Assays
Antigen interference from residual antigen peptides remains a persistent challenge in anti-peptide immunocapture liquid chromatography-tandem mass spectrometry (IC-LC-MS/MS) assays for quantifying low-abundance protein biomarkers. In this manuscript, we introduce a novel approach that utilizes carri...
ORGANISM(S): Homo sapiens (Human) 
2026-09-04 | PXD076272 | Pride
Stable isotopically labeled peptide antigen Anti-peptide immunocapture Protein biomarker Antigen interference Lc-ms/ms 
UnknownImmunocapture sample clean-up in determination of low abundant protein biomarkers - a feasibility study of peptide capture by anti-protein antibodies.
Not available
S-EPMC9097496 | biostudies-literature
UnknownSelective quantification of the 22-kDa isoform of human growth hormone 1 in serum and plasma by immunocapture and LC-MS/MS.
Not available
S-EPMC9314277 | biostudies-literature
UnknownSimultaneous isotyping and semi-quantitation of anti-drug antibodies to an IgG1 biotherapeutic using hybrid LBA-LC-MS/MS.
Not available
S-EPMC11801339 | biostudies-literature
UnknownProteomic analysis of the amyloid precursor protein fragment C99: expression in yeast.
Not available
S-EPMC2220045 | biostudies-literature
UnknownOcrelizumab quantitation by liquid chromatography-tandem mass spectrometry.
Not available
S-EPMC9334332 | biostudies-literature
ProteomicsProteome-wide identification of ISG15 sites in HeLa cells
We employed a GlyGly-peptidomics approach to comprehensively map ISG15 modification sites in HeLa cells under three conditions: mock-transfected controls, IFN-induced cells, and cells transfected with the ISGylation machinery. Lysates from wild-type and Isg15 knockout (KO) cells were processed using...
ORGANISM(S): Homo sapiens (Human) 
2026-03-02 | PXD065158 | Pride
Ptm Hela Glygly Isg15 Gg-peptidomics 
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