Smoothelin (SMTN) Mouse Monoclonal Antibody [Clone ID: R4A]

Specifications

Product Data
Clone Name	R4A
Applications	IHC
Recommend Dilution	IHC: 1:100 - 1:500
Reactivity	Human
Host	Mouse
Clonality	Monoclonal
Isotype	IgG1
Formulation	This antibody is supplied as cell culture supernatant diluted in tris buffered saline, pH 7.3-7.7, with 1% BSA and <0.1% sodium azide.
Conjugation	Unconjugated
Storage Condition	Store at -20°C as received.
Gene Name	smoothelin
Database Link	NP_001193946 Entrez Gene 6525 Human UniProt ID P53814
Synonyms	FLJ35168; FLJ35365; FLJ35620; FLJ38597
Note	Smoothelin is a constituent of the smooth muscle cell cytoskeleton protein exclusively found in differentiated smooth muscle cells (SMC). Cells with SMC-like characteristics, such as myofibroblasts and myoepithelial cells, as well as skeletal and cardiac muscle do not contain smoothelin.Distinguishing between bladder muscularis mucosae (MM) and muscularis propria (MP) muscle bundles is crucial for accurate staging of bladder carcinoma. Strong smoothelin expression is nearly exclusively observed in muscularis propria. The staining pattern of MP (strongly positive) and MM (negative or weakly positive) makes this technique an attractive diagnostic tool for the sometimes difficult task of staging bladder urothelial carcinoma, such as in transurethral resection specimens of urinary bladder tumors. Differentiating between smooth muscle tumors and other mesenchymal neoplasms of the GI tract can be challenging in small biopsies. Anti-smoothelin immunostaining can be helpful in differentiating benign (+) from malignant smooth muscle tumors (-), and other mimics(-).
Reference Data

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