|Detection of Mouse Uromodulin by Western Blot. Western blot shows lysates of mouse kidney tissue. PVDF membrane was probed with 1 µg/mL of Sheep Anti-Mouse Uromodulin Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5175) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for Uromodulin at approximately 115 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.|
|Uromodulin in Mouse Kidney. Uromodulin was detected in immersion fixed frozen sections of mouse kidney using Sheep Anti-Mouse Uromodulin Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5175) at 10 µg/mL overnight at 4 °C. Tissue was stained using the NorthernLights™ 557-conjugated Anti-Sheep IgG Secondary Antibody (red; Catalog # NL010) and counterstained with DAPI (blue). Specific staining was localized to convoluted tubule epithelial cells. View our protocol for Fluorescent IHC Staining of Frozen Tissue Sections.|
Uromodulin (also Tamm-Horsfall glycoprotein or THP) is a 105‑120 kDa urinary glycoprotein. It is secreted by renal tubule epithelium, acts as a binding protein for IL‑1, TNF-alpha and C1q, activates resting monocytes, and promotes neutrophil phagocytosis. Uromodulin forms high molecular weight oligomers that line the kidney tubules. Mouse Uromodulin is GPI-linked. Its proprecursor is 619 amino acids (aa) in length. It contains three EGF-like domains (aa 28‑148), a ZP domain that mediates oligomerization (aa 335‑590), and a cleavable C-terminal propeptide (aa 619‑642). There are multiple splice variants. One shows an alternate start site at Met343, and there are two substitutions, a 17 aa substitution for aa 601‑642, and a 166 aa substitution for aa 441‑642. Over aa 25‑618, mouse Uromodulin shares 78% and 89% aa identical to human and rat Uromodulin, respectively.
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