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Immunofluorescent analysis of TFE3 showing staining in the nucleus and cytoplasm of Hela cells using a TFE3 polyclonal antibody (Product # PA5-35210) followed by detection using a fluorescent conjugated secondary antibody (green). Cytoplasmic actin was stained with a fluorescent red phalloidin (7units/ml, 1 h at 37°C). Nuclei were stained with DAPI (blue) (10 ug/ml, 10 min).
|Tested species reactivity||Human, Mouse|
|Host / Isotype||Rabbit / IgG|
|Immunogen||KLH conjugated synthetic peptide between 1-30 amino acids from the N-terminal region of human TFE3|
|Purification||Antigen affinity chromatography|
|Contains||0.09% sodium azide|
|Storage Conditions||Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles.|
|Tested Applications||Dilution *|
|Western Blot (WB)||1:1000|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
The microphthalmia transcription factor/transcription factor E (MITF-TFE) family of basic helix-loop-helix leucine zipper (bHLH-Zip) transcription factors includes four family members: MITF, TFE3, TFEB and TFEC. The TEF3 protein encoded by this gene activates transcription through binding to the muE3 motif of the immunoglobulin heavy-chain enhancer. The TFEC protein forms heterodimers with the TEF3 protein and inhibits TFE3-dependent transcription activation. The TEF3 protein interacts with transcription regulators such as E2F3, SMAD3, and LEF-1, and is involved in TGF-beta-induced transcription, playing important roles in cell growth, proliferation, and osteoclast and macrophage differentiation. The TFE3 protein also activates hepatic IRS-2 gene, and induces hexokinase II (HK2) and insulin-induced gene 1 (INSIG1); it participates in insulin signaling and could be a therapeutic target for diabetes. This gene is also involved in chromosomal translocations, resulting in different fusion gene products in papillary renal cell carcinomas and alveolar soft part sarcomas, such as PRCC-TFE3, RCC17-TFE3, PSF-TFE3, NonO (p54nrb)-TFE3 and ASPL-TFE3.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
BHLHE33; class E basic helix-loop-helix protein 33; TFE3; transcription factor E family, member A; transcription factor E3; transcription factor for IgH enhancer; transcription factor for immunoglobulin heavy-chain enhancer 3
BHLHE33; F830016E06Rik; RCCP2; RCCX1; Tcfe3; Tfe-3; TFE3; TFEA