Proteomics

Dataset Information

0

Lupus Nephritis is characterized by defective removal of Neutrophil Extracellular Traps that are modified in protein composition and contain specific auto-antigens.


ABSTRACT: Neutrophyl Extracellular Traps (NETs) accumulated in serum of patients with Lupus Nephritis for defective removal by DNAse. Among a complex protein panel (overall 802) two clusters of 16 and 13 proteins were more expressed by LN and SLE NETs respectively; oxidized aenolase and annexin A1 were main components of the first series in LN. NETs may represent a source of modified intracellular antigens for autoimmunity in LN.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Cell Culture

SUBMITTER: Chiara Lavarello  

LAB HEAD: Andrea Petretto

PROVIDER: PXD007754 | Pride | 2019-11-12

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
Candiano_F_Net_12_Prot_034.raw Raw
Candiano_F_Net_14_NoProt_042.raw Raw
Candiano_F_Net_17_NoProt_041.raw Raw
Candiano_F_Net_19_Prot_035.raw Raw
Candiano_F_Net_1_Prot_030.raw Raw
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Publications

Neutrophil Extracellular Traps protein composition is specific for patients with Lupus nephritis and includes methyl-oxidized αenolase (methionine sulfoxide 93).

Bruschi Maurizio M   Petretto Andrea A   Santucci Laura L   Vaglio Augusto A   Pratesi Federico F   Migliorini Paola P   Bertelli Roberta R   Lavarello Chiara C   Bartolucci Martina M   Candiano Giovanni G   Prunotto Marco M   Ghiggeri Gian Marco GM  

Scientific reports 20190528 1


NETs constitute a network of DNA and proteins released by neutrophils in response to infectious and immunologic triggers. NET proteins are recognized as autoantigens in ANCA vasculitis; limited knowledge is available in other autoimmune pathologies. The composition of NETs produced ex vivo by resting and Phorbol-myristate acetate (PMA) stimulated neutrophils was analyzed by high-throughput Fusion Orbitrap technology in 16 patients with Systemic Lupus Erythematosus/Lupus nephritis (9 SLE/7 LN) an  ...[more]

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