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Mice with FIA develop anti-native and anti-in vitro citrullinated fibrinogen antibodies

ABSTRACT: Synovial antigen arrays were probed with 1:150 dilutions of plasma derived from SJL mice immunized with fibrinogen emulsified in CFA or with CFA alone. Autoantibody binding was detected with a Cy3-conjugated goat-anti-mouse IgG/M secondary antibody. SAM was applied to identify antigens with statistically significant differences in array reactivity between FIA and CFA control plasma (q < 0.01) obtained from mice before boosting. The SAM hits were subjected to hierarchical cluster analysis and are displayed as a heatmap. Synovial array profiling of FIA plasma demonstrated autoreactive B-cell responses against peptides representing native fibrinogen, and B-cell epitope spreading resulting in additional targeting of citrullinated fibrinogen in the samples obtained before boosting.

ORGANISM(S): Mus musculus Homo sapiens

PROVIDER: GSE18023 | GEO | 2009/09/12

SECONDARY ACCESSION(S): PRJNA123581

REPOSITORIES: GEO

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Mice with FIA develop anti-native and anti-in vitro citrullinated fibrinogen antibodies

Project description:Synovial antigen arrays were probed with 1:150 dilutions of plasma derived from SJL mice immunized with fibrinogen emulsified in CFA or with CFA alone. Autoantibody binding was detected with a Cy3-conjugated goat-anti-mouse IgG/M secondary antibody. SAM was applied to identify antigens with statistically significant differences in array reactivity between FIA and CFA control plasma (q < 0.01) obtained from mice before boosting. The SAM hits were subjected to hierarchical cluster analysis and are displayed as a heatmap. Synovial array profiling of FIA plasma demonstrated autoreactive B-cell responses against peptides representing native fibrinogen, and B-cell epitope spreading resulting in additional targeting of citrullinated fibrinogen in the samples obtained before boosting. Custom-spotted protein slides were probed with plasma samples from individual mice. Four slides were probed with plasma derived from mice immunized with CFA and six slides were probed with plasma derived from mice immunized with fibrinogen emulsified in CFA.

2010-05-05 | E-GEOD-18023 | biostudies-arrayexpress

Fibrinogen-reactive T cells transfer disease to naÃ¯ve mice

Project description:Splenocytes harvested from mice with FIA were cultured in vitro and stimulated with 0.01 mg/ml fibrinogen for 3 days. Enriched T cells were transferred into 6-week-old naÃ¯ve SJL mice, which developed visible signs of arthritis within 2 weeks. Synovial array profiling of plasma from the arthritic recipient mice demonstrated autoreactive B cell responses against peptides representing native fibrinogen, and further spreading of the responses to target collagen type V, cartilage gp39, and citrullinated vimentin. Custom-spotted protein slides were with plasma samples from individual mice. Four slides were probed with plasma derived from naÃ¯ve mice and five slides were probed with plasma derived from mice injected with FIA T cells.

2010-05-05 | E-GEOD-18025 | biostudies-arrayexpress

Mice with fibrinogen-induced arthritis (FIA)

Project description:This SuperSeries is composed of the following subset Series: GSE18023: Mice with FIA develop anti-native and anti-in vitro citrullinated fibrinogen antibodies GSE18024: FIA plasma induces arthritis in naÃ¯ve mice GSE18025: Fibrinogen-reactive T cells transfer disease to naÃ¯ve mice Refer to individual Series

2010-05-05 | E-GEOD-18073 | biostudies-arrayexpress

Fibrinogen-reactive T cells transfer disease to naïve mice

Project description:Splenocytes harvested from mice with FIA were cultured in vitro and stimulated with 0.01 mg/ml fibrinogen for 3 days. Enriched T cells were transferred into 6-week-old naïve SJL mice, which developed visible signs of arthritis within 2 weeks. Synovial array profiling of plasma from the arthritic recipient mice demonstrated autoreactive B cell responses against peptides representing native fibrinogen, and further spreading of the responses to target collagen type V, cartilage gp39, and citrullinated vimentin.

2009-09-12 | GSE18025 | GEO

FIA plasma induces arthritis in naÃ¯ve mice

Project description:Plasma collected from mice with FIA were pooled, and 0.3 ml was injected intravenously into 6-week-old naÃ¯ve SJL mice on days 0 and 2. Synovial antigen array profiling of plasma from the arthritic recipient mice demonstrated autoreactive B-cell responses against peptides representing native fibrinogen and citrullinated fibrinogen, and further epitope spreading resulting in additional targeting of fibronectin, collagen type V, cartilage gp39, and clusterin. Custom-spotted protein slides were probed with plasma samples from individual mice. Four slides were probed with plasma derived from naÃ¯ve mice and four slides were probed with plasma derived from mice injected with FIA plasma.

2010-05-05 | E-GEOD-18024 | biostudies-arrayexpress

FIA plasma induces arthritis in naïve mice

Project description:Plasma collected from mice with FIA were pooled, and 0.3 ml was injected intravenously into 6-week-old naïve SJL mice on days 0 and 2. Synovial antigen array profiling of plasma from the arthritic recipient mice demonstrated autoreactive B-cell responses against peptides representing native fibrinogen and citrullinated fibrinogen, and further epitope spreading resulting in additional targeting of fibronectin, collagen type V, cartilage gp39, and clusterin.

2009-09-12 | GSE18024 | GEO

Oxidized fibrinogen HPLC-MS/MS

Project description:Fibrinogen is highly susceptible to oxidation compared to other plasma proteins. Fibrinogen oxidation damages its structure and affects the protein function. Fibrinogen was isolated from citrated human plasma by the modified cold ethanol precipitation technique. Oxidation of fibrinogen by ozone: a solution of 2.0 mg of fibrinogen in 1 ml of 0.05 M Tris/0.15 M NaCl buffer (pH 7.4) was introduced into a quartz reactor filled with ozone–oxygen mixture. The full exhaustion of ozone in each experiment was confirmed by spectrophotometry by the absorption band at 254 nm. The amount of ozone was varied in the range of 50–100 μM per 1 μM of fibrinogen. Ozone-induced oxidative modifications of the fibrinogen Aα, Bβ, and γ polypeptide chains upon addition of various amounts of the oxidizer have been studied by mass-spectrometry.

2019-04-04 | PXD012046 | Pride

Project description:Mice with fibrinogen-induced arthritis (FIA)

| PRJNA119343 | ENA

Fibrinogen promotes autoimmunity and demyelination via chemokine release and antigen presentation [Mm]

Project description:Determination of the mechanism by which fibrinogen, a central blood coagulation protein drives immunological responses targeted to the CNS. Results identify the factors involved in the regulation and provide mechanistic basis. We subjected fibrinogen-injected corpus callosum to microarray to determine the genes involved in innate and adaptive immune responses by fibrinogen deposited in the CNS after blood-brain barrier disruption. Corpus callosum tissues were isolated from mice received stereotactic injection of fibrinogen or ACSF at 12 hr. Tissues were subjected for RNA extraction and hybridization on Affymatrix microarrays. Two ACSF and two fibrinogen samples were generated.

2015-09-16 | E-GEOD-71082 | biostudies-arrayexpress

Fibrinogen promotes autoimmunity and demyelination via chemokine release and antigen presentation [Mm]

2015-09-16 | GSE71082 | GEO

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