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HIT: a new versatile protein array platform for multi-analyte phenotyping of surface molecules

ABSTRACT: We have developed a multi-analyte fluid-phase protein array technology termed high-throughput immunophenotyping using transcription (HIT). This method employs a panel of monoclonal antibodies, each tagged with a unique oligonucleotide sequence that serves as a molecular barcode. After staining a sample, T7 polymerase amplifies the tags which are then hybridized to a DNA microarray for indirect measurement of each analyte. Here we screened 90 antibodies directed against a panel of cell surface markers as well as 4 isotype controls to compare resting human naive CD4+ T cells versus CD4+ T cells activated for 48 h with anti-CD3/anti-CD28 coated beads. Keywords: protein profiling, response to stimulus

ORGANISM(S): Homo sapiens

PROVIDER: GSE10665 | GEO | 2008/03/03

SECONDARY ACCESSION(S): PRJNA107635

REPOSITORIES: GEO

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HIT: a new versatile protein array platform for multi-analyte phenotyping of surface molecules

Project description:We have developed a multi-analyte fluid-phase protein array technology termed high-throughput immunophenotyping using transcription (HIT). This method employs a panel of monoclonal antibodies, each tagged with a unique oligonucleotide sequence that serves as a molecular barcode. After staining a sample, T7 polymerase amplifies the tags which are then hybridized to a DNA microarray for indirect measurement of each analyte. Here we screened 90 antibodies directed against a panel of cell surface markers as well as 4 isotype controls to compare resting human naive CD4+ T cells versus CD4+ T cells activated for 48 h with anti-CD3/anti-CD28 coated beads. Keywords: protein profiling, response to stimulus Two-condition experiment, activated versus resting cells. Biological replicates: 3 normal human donors, each donor served as an internal control. One replicate per array. One of the biological replicates was performed as a dye-swap to monitor dye-bias. We also performed a self-self comparison between activated cells from two different donors.

2010-05-26 | E-GEOD-10665 | biostudies-arrayexpress

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2008-03-08 | GSE10762 | GEO

HIT analysis of T cells activated in the presence of TGF-Î²

Project description:We have developed a multi-analyte fluid-phase protein array technology termed high-throughput immunophenotyping using transcription (HIT). This method employs a panel of monoclonal antibodies, each tagged with a unique oligonucleotide sequence that serves as a molecular barcode. After staining a sample, T7 polymerase amplifies the tags which are then hybridized to a DNA microarray for indirect measurement of each analyte. Here we screened 90 antibodies directed against a panel of cell surface markers as well as 4 isotype controls to compare human naive CD4+ T cells activated in the presence or absence of TGF-Î². Keywords: response to stimulus Two-condition experiment, with or without TGF-Î². Biological replicates: 3 normal human donors, each donor served as an internal control. One replicate per array. One of the biological replicates was performed as a dye-swap to monitor dye-bias.

2010-05-26 | E-GEOD-10762 | biostudies-arrayexpress

HIT T cell versus B cell line proof-of-principle

Project description:We have developed a multi-analyte fluid-phase protein array technology termed high-throughput immunophenotyping using transcription (HIT). This method employs a panel of monoclonal antibodies, each tagged with a unique oligonucleotide sequence that serves as a molecular barcode. After staining a sample, T7 polymerase amplifies the tags which are then hybridized to a DNA microarray for indirect measurement of each analyte. Here we coupled 44 of the tags to aliquots of an IgG1 isotype negative control antibody and the 4 remaining tags we coupled to anti-CD3, anti-CD4, anti-CD19, and anti-CD20 to create a 48-plex HIT cocktail. We then used this cocktail to stain 1 x 10^6 T or B cells and during amplification incorporated either cyanine 3-UTP (Cy3-UTP) or Cy5-UTP. Additionally, we snap froze and thawed an aliquot of the cocktail (FT). Keywords: protein profiling, cell type comparison Two-condition experiment, T cells versus B cells, including dye-swaps and self-self experiments. We also tested an array that had been frozen and thawed.

2010-05-26 | E-GEOD-10761 | biostudies-arrayexpress

HIT T cell versus B cell line proof-of-principle

Project description:We have developed a multi-analyte fluid-phase protein array technology termed high-throughput immunophenotyping using transcription (HIT). This method employs a panel of monoclonal antibodies, each tagged with a unique oligonucleotide sequence that serves as a molecular barcode. After staining a sample, T7 polymerase amplifies the tags which are then hybridized to a DNA microarray for indirect measurement of each analyte. Here we coupled 44 of the tags to aliquots of an IgG1 isotype negative control antibody and the 4 remaining tags we coupled to anti-CD3, anti-CD4, anti-CD19, and anti-CD20 to create a 48-plex HIT cocktail. We then used this cocktail to stain 1 x 10^6 T or B cells and during amplification incorporated either cyanine 3-UTP (Cy3-UTP) or Cy5-UTP. Additionally, we snap froze and thawed an aliquot of the cocktail (FT). Keywords: protein profiling, cell type comparison

2008-03-08 | GSE10761 | GEO

HIT: a versatile proteomics platform for multianalyte phenotyping of cytokines, intracellular proteins and surface molecules.

Project description: Not available

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Tumor-specific mechanism of Treg enrichment mediated by the integrin avb8

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Project description:The CD19 positive antibody secreting cells (ASC) in both bone marrow (BM) have the capacity to provide immune memory in addition to cells traditionally considered long-lived, the CD19-negative BM ASC. We performed flow cytometry (FCM) immunophenotyping, fluorescence-activated cell sorting (FACS) for cell subset isolation, ELISpot assays detecting the isotype of antibody secretion as well as antibodies against vaccine derived antigens, and comparative gene expression analyses of CD19- ASC, CD19+ ASC, CD20- B cells, and CD20+ B cells from BM. The findings may aid in the understanding of the differential cell subsets created through vaccination and lead to improved vaccine strategies and production. FACS sorted tissue B cells and antibody secreting cell subset gene expression.

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Molecular mechanism underline immune cell type population shift upon anti-DLL4 treatment

Project description:Molecular mechanism underline immune cell type population shift upon anti-DLL4 treatment C57BL/6 mice were injected with anti-DLL4, or an isotype control antibody as controls. Two weeks later mice were sacrificed, and thymi was harvested from 4 anti-DLL4 and 4 control animals. Total thymocytes, DN cells (CD4-CD8-) and DN1(CD4-CD8- CD44+CD25-) cells were isolated. Samples included in this data set are: 3 Thymocytes-anti-DLL4; 3 Thymocytes-isotype control; 3 DN1-anti-DLL4; 2 DN1-isotype controls; 3 DN-anti-DLL4; 3 DN-isotyoe control.

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