|Application ||WB, IHC-P, IF, E|
|Other Accession||NP_058627, 8393843|
|Reactivity||Human, Mouse, Rat|
|Calculated MW||Predicted: 64 kDa |
Observed: 68 kDa
|Application Notes||NOX4 antibody can be used for detection of NOX4 by Western blot at 1 - 2 µg/ml. Antibody can also be used for Immunohistochemistry starting at 5 µg/mL. For immunofluorescence start at 20 µg/mL.|
|Target/Specificity||NOX4; NOX4 antibody is human, mouse, and rat reactive. At least four isoforms of NOX4 are known to exist. NOX4 is predicted to not cross-react with other NOX proteins.|
|Reconstitution & Storage||NOX4 antibody can be stored at 4℃ for three months and -20℃, stable for up to one year.|
|Precautions||NOX4 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Constitutive NADPH oxidase which generates superoxide intracellularly upon formation of a complex with CYBA/p22phox. Regulates signaling cascades probably through phosphatases inhibition. May function as an oxygen sensor regulating the KCNK3/TASK-1 potassium channel and HIF1A activity. May regulate insulin signaling cascade. May play a role in apoptosis, bone resorption and lipolysaccharide-mediated activation of NFKB. May produce superoxide in the nucleus and play a role in regulating gene expression upon cell stimulation. Isoform 3 is not functional. Isoform 5 and isoform 6 display reduced activity.|
|Cellular Location||Endoplasmic reticulum membrane; Multi-pass membrane protein. Cell membrane; Multi-pass membrane protein. Cell junction, focal adhesion. Note=May localize to plasma membrane and focal adhesions. According to PubMed:15927447, may also localize to the nucleus|
|Tissue Location||Expressed by distal tubular cells in kidney cortex and in endothelial cells (at protein level). Widely expressed. Strongly expressed in kidney and to a lower extent in heart, adipocytes, hepatoma, endothelial cells, skeletal muscle, brain, several brain tumor cell lines and airway epithelial cells|
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Provided below are standard protocols that you may find useful for product applications.
The NOX family of NAPDH oxidases is comprised of seven transmembrane proteins that oxidize intracellular NAPDH/NADH, causing electron transport across the membrane and the reduction of molecular oxygen to superoxide (1). NOX4 is is expressed in multiple tissues and catalyzes the reduction of molecular oxygen to various reactive oxygen species (ROS) (2,3). Unlike other NOX proteins, NOX4 does not require cytosolic subunits and thus is constitutively active (4). The function of NOX4 remains unclear as it plays both protective and deleterious roles in cellular metabolism.
Bedard K and Krause KH. The Nox family of ROS-generating NAPDH oxidases: physiology and pathophysiology. Physiol. Rev. 2007; 87:245-313.
Cheng G, Cao Z, Xu X, et al. Homologs of gp91phox: cloning and tissue expression of Nox3, Nox4, and Nox5. Gene 2001; 269:131-40.
Montezano AC, Burger D, Ceravolo GS, et al. Novel Nox homologues in the vasculature: focusing on Nox4 and Nox5. Clin. Sci. 2011; 120:131-41.
Martyn KD, Frederick LM, von Loehneysen K, et al. Functional analysis of Nox4 reveals unique characteristics compared to other NAPDH oxidases. Cell. Signal. 2006; 18:69-82.
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