Thermo Fisher Scientific Desmin Monoclonal Antibody (SP138)
Rabbit monoclonal antibody recognizing Desmin (SP138), validated for WB, IHC, ICC/IF. High specificity for muscle tissue marker. Suitable for skeletal muscle positive control. Supplied as liquid, unconjugated, stored at 4°C or -20°C.
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Applications and Tested Dilutions
| Application | Tested Dilution | Publications |
|---|---|---|
| Western Blot (WB) | 1:100–1:1,000 | – |
| Immunohistochemistry (IHC) | – | 1 publication |
| Immunohistochemistry (Paraffin) (IHC (P)) | 1:100 | – |
| Immunocytochemistry (ICC/IF) | 1:100–1:250 | – |
Product Specifications
| Specification | Description |
|---|---|
| Published Species | Dog |
| Host / Isotype | Rabbit / IgG |
| Class | Monoclonal |
| Type | Antibody |
| Clone | SP138 |
| Immunogen | Synthetic peptide derived from the C-terminus of human desmin protein |
| Conjugate | Unconjugated |
| Form | Liquid |
| Storage Conditions | Store at 4°C short term. For long-term storage, store at -20°C, avoiding freeze/thaw cycles. |
| Shipping Conditions | Wet ice |
| RRID | AB_2537876 |
Product Specific Information
A suggested positive control is skeletal muscle tissue.
Target Information
Desmin (approximately 53 kDa) exhibits a high degree of tissue specificity, predominantly expressed in muscle cells (cardiac, skeletal, and smooth muscle). Its expression is stage- and tissue-specific, induced during terminal skeletal muscle differentiation.
In skeletal and cardiac muscle, desmin is localized in the Z-disk and intercalated disk regions. Expression in smooth muscle is more heterogeneous.
Coexpression of vimentin and desmin has been observed in muscle-derived tumors such as rhabdomyosarcomas and leiomyosarcomas. During myocardial dysfunction, notable changes in desmin distribution are observed.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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