Proteomics

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Itch Ubiquitin Ligase Deficiency and B cell LC-MSMS


ABSTRACT: The E3 ubiquitin ligase Itch regulates antibody levels and prevents autoimmune disease in humans and mice, yet how Itch regulates B cell fate or function is unknown. We now show that Itch directly limits B cell activity. Using LC-MSMS, we profiled and compared the whole cell proteomes of Itch deficient and Itch sufficient CpG-stimulated B cells. B cells lacking Itch exhibited increased levels of mTORC1 targets and E2F transcription factor targets. These results support a novel role for Itch in limiting B cell metabolism and proliferation.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Mus Musculus (mouse)

TISSUE(S): B Cell

SUBMITTER: Hossein Fazelinia  

LAB HEAD: Steven Seeholzer

PROVIDER: PXD014243 | Pride | 2019-07-12

REPOSITORIES: Pride

Dataset's files

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q160116_PO1053_TIP122_01.raw Raw
q160116_PO1053_TIP122_02.raw Raw
q160116_PO1053_TIP122_03.raw Raw
q160116_PO1053_TIP122_04.raw Raw
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