STAT4
The protein encoded by this gene is a member of the STAT family of transcription factors. In response to cytokines and growth factors, STAT family members are phosphorylated by the receptor associated kinases, and then form homo- or heterodimers that translocate to the cell nucleus where they act as transcription activators. This protein is essential for mediating responses to IL12 in lymphocytes, and regulating the differentiation of T helper cells. [provided by RefSeq]
Function
Carries out a dual function: signal transduction and activation of transcription. Involved in IL12 signaling.
Biological Process
Cytokine-mediated signaling pathwayManual Assertion Based On ExperimentIBA:GO_Central
Defense responseManual Assertion Based On ExperimentIBA:GO_Central
Positive regulation of transcription by RNA polymerase II2 PublicationsIC:ComplexPortal
Receptor signaling pathway via JAK-STATManual Assertion Based On ExperimentIBA:GO_Central
Regulation of cell population proliferationManual Assertion Based On ExperimentIBA:GO_Central
Regulation of transcription by RNA polymerase IIManual Assertion Based On ExperimentIBA:GO_Central
Response to peptide hormoneManual Assertion Based On ExperimentIBA:GO_Central
Cellular Location
Cytoplasm
Nucleus
Translocated into the nucleus in response to phosphorylation.
Involvement in disease
Systemic lupus erythematosus 11 (SLEB11):
A chronic, relapsing, inflammatory, and often febrile multisystemic disorder of connective tissue, characterized principally by involvement of the skin, joints, kidneys and serosal membranes. It is of unknown etiology, but is thought to represent a failure of the regulatory mechanisms of the autoimmune system. The disease is marked by a wide range of system dysfunctions, an elevated erythrocyte sedimentation rate, and the formation of LE cells in the blood or bone marrow.
Rheumatoid arthritis (RA):
An inflammatory disease with autoimmune features and a complex genetic component. It primarily affects the joints and is characterized by inflammatory changes in the synovial membranes and articular structures, widespread fibrinoid degeneration of the collagen fibers in mesenchymal tissues, and by atrophy and rarefaction of bony structures.
PTM
Tyrosine phosphorylated. Serine phosphorylation is also required for maximal transcriptional activity (By similarity).
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Datasheet