|Application ||WB, E|
|Other Accession||Q64092, Q05B92, NP_006512|
|Calculated MW||61521 Da|
|Antigen Region||489-516 aa|
|Other Names||Transcription factor E3, Class E basic helix-loop-helix protein 33, bHLHe33, TFE3, BHLHE33|
|Target/Specificity||This TFE3 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 489-516 amino acids from the C-terminal region of human TFE3.|
|Format||Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification.|
|Storage||Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||TFE3 Antibody (C-term) is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Transcription factor that specifically recognizes and binds E-box sequences (5'-CANNTG-3'). Efficient DNA-binding requires dimerization with itself or with another MiT/TFE family member such as TFEB or MITF. In association with TFEB, activates the expression of CD40L in T-cells, thereby playing a role in T- cell-dependent antibody responses in activated CD4(+) T-cells and thymus-dependent humoral immunity. Specifically recognizes the MUE3 box, a subset of E-boxes, present in the immunoglobulin enhancer. It also binds very well to a USF/MLTF site.|
|Tissue Location||Ubiquitous in fetal and adult tissues.|
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Provided below are standard protocols that you may find useful for product applications.
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.
Argani, P., et al. Am. J. Surg. Pathol. 34(10):1395-1406(2010)
Haudebourg, J., et al. Cancer Genet. Cytogenet. 200(2):75-78(2010)
Chang, I.W., et al. Am. J. Surg. Pathol. 33(12):1894-1901(2009)
Yamaguchi, T., et al. Acta Cytol. 53(6):693-697(2009)
Kuroda, N., et al. Pathol. Int. 59(10):769-770(2009)
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