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High-resolution antibody array analysis of proteins from primary human keratinocytes and leukocytes.
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- Author(s): de la Rosa Carrillo D;de la Rosa Carrillo D;de la Rosa Carrillo D; Sikorski K; Sikorski K; Sikorski K; Khnykin D; Khnykin D; Wu W; Wu W; Lund-Johansen F; Lund-Johansen F; Lund-Johansen F
- Source:
PloS one [PLoS One] 2018 Dec 27; Vol. 13 (12), pp. e0209271. Date of Electronic Publication: 2018 Dec 27 (Print Publication: 2018).- Publication Type:
Journal Article; Research Support, Non-U.S. Gov't- Language:
English - Source:
- Additional Information
- Source: Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE
- Publication Information: Original Publication: San Francisco, CA : Public Library of Science
- Subject Terms: Keratinocytes/*metabolism ; Leukocytes/*metabolism ; Protein Array Analysis/*methods ; Proteins/*metabolism; Adult ; Antibodies ; Biotinylation ; Chromatography, Gel ; Flow Cytometry ; Gene Expression ; Humans ; Keratinocytes/cytology ; Leukocytes/cytology ; Microspheres ; Middle Aged ; Primary Cell Culture ; Protein Binding ; Proteins/immunology ; Proteomics ; Skin/cytology ; Skin/metabolism
- Abstract: Antibody array analysis of labeled proteomes has high throughput and is simple to perform, but validation remains challenging. Here, we used differential detergent fractionation and size exclusion chromatography in sequence for high-resolution separation of biotinylated proteins from human primary keratinocytes and leukocytes. Ninety-six sample fractions from each cell type were analyzed with microsphere-based antibody arrays and flow cytometry (microsphere affinity proteomics; MAP). Monomeric proteins and multi-molecular complexes in the cytosol, cytoplasmic organelles, membranes and nuclei were resolved as discrete peaks of antibody reactivity across the fractions. The fractionation also provided a two-dimensional matrix for assessment of specificity. Thus, antibody reactivity peaks were considered to represent specific binding if the position in the matrix was in agreement with published information about i) subcellular location, ii) size of the intended target, and iii) cell type-dependent variation in protein expression. Similarities in the reactivity patterns of either different antibodies to the same protein or antibodies to similar proteins were used as additional supporting evidence. This approach provided validation of several hundred proteins and identification of monomeric proteins and protein complexes. High-resolution MAP solves many of the problems associated with obtaining specificity with immobilized antibodies and a protein label. Thus, laboratories with access to chromatography and flow cytometry can perform large-scale protein analysis on a daily basis. This opens new possibilities for cell biology research in dermatology and validation of antibodies.
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J Proteomics. 2009 Aug 20;72(6):928-35. (PMID: 19457338) - Accession Number: 0 (Antibodies)
0 (Proteins) - Publication Date: Date Created: 20181228 Date Completed: 20190517 Latest Revision: 20200309
- Publication Date: 20240105
- Accession Number: PMC6307719
- Accession Number: 10.1371/journal.pone.0209271
- Accession Number: 30589857
- Source:
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