| 货号 | ASC-019-50ul |
| 描述 | Each antibody ordered from Alomone Labs is supplied with its corresponding control peptide (antigen), free of charge. A Rabbit Polyclonal Antibody to ENaCβ Channel |
| 反应种属 | M, R |
| 应用 | IH, WB |
| 供应商 | Alomone |
| 背景 | The amiloride-sensitive epithelial Na+ channel (ENaC) family includes 4 members: ENaCα, β, γ and δ. The ENaC subunits have a conserved topology consisting of two membrane-spanning domains with intracellular N and C-termini and a large glycosylated extracellular region. The functional ENaC channel is a heteromer with a presumed stoichiometry of α2βγ while the δ subunit can substitute for the α subunit in some tissues. Interestingly, neither the β nor the γ subunits are capable of producing any current when expressed alone in heterologous systems, while in these systems the simultaneous presence of all three ENaC subunits will produce Na+ currents that resemble the endogenous channel. The ENaC channel is located in the luminal (apical) plasma membrane of several epithelial tissues such as kidney, lung, salivary glands and skin where it enables entry of Na+ into the cell along its electrochemical gradient and thus has a central role in the maintenance of renal Na+ balance as well as liquid balance in the lung. The central role of ENaC in the regulation of Na+ homeostasis and hence blood pressure is underscored by the identification of two human diseases that arise from either gain- or loss-of-function mutations of the ENaC channel. Liddle’s syndrome is an inherited form of hypertension that stems from a dominant mutation of the ENaC channel (in either the β or γ subunits) that results in excessive activity of the channel and hence increased Na+ absorption. Conversely, pseudoaldosteronism type I (PHA) is a dysfunction characterized by hypotension due to poor Na+ absorption that is associated with loss-of-function mutations which may occur in each of the three ENaC subunits. |
| 运输条件 | Ambient |
| 存放说明 | -20 |
| 纯度 | Affinity purified on immobilized antigen. |
| 参考文献 | 1.Kellenberger, S. and Schild, S.(2002)Physiol. Rev.82,735. 2.Snyder, P.M.(2002)Endocrine Rev.23,258. 3.Garty, H. and Palmer, L.G.(1997)Physiol. Rev.77,359. |
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