Guinea Pig Polyclonal Anti-Keratin K15
Cat# GP-CK15
Size : 100ul
Brand : Progen
Contact local distributor :
Phone : +1 850 650 7790
| Quantity | 100 µl |
|---|---|
| Antibody Type | Polyclonal |
| Host | Guinea pig |
| Conjugate | Unconjugated |
| Application | IHC, WB |
| Purification | Stabilized antiserum |
| Reactivity | Human, Mouse |
| Storage | Short term at 2-8°C; long term storage in aliquots at -20°C; avoid freeze/thaw cycles |
| Intended use | Research use only |
| Immunogen | C-terminal tail region (including parts of the rod domain) of human recombinant keratin K15 |
| Formulation | Contains 0.09% sodium azide and 0.5% BSA |
| UniprotID | P19012 (Human),Q61414 (Mouse) |
| Synonym | Keratin, type I cytoskeletal 15, Cytokeratin-15, CK-15, Keratin-15, K15, KRT15, KRTB |
| Note | Centrifuge prior to opening |
| Tested applications | Tested dilutions |
|---|---|
| Immunohistochemistry (IHC) - frozen | 1:100-1:200 |
| Western Blot (WB) | 1:2,000 |
Mr 50 kDa (pI 4.9) intermediate filament polypeptide, keratin K15 (formerly also designated cytokeratin 15), detected by immunofluorescence microscopy in basal cells of stratified epithelia (including epidermis, tongue, esophagus, exocervix) and complex stratified epithelia (e.g. broncheal epithelium), in luminal epithelia of mammary, salivary and sweat gland. In the hair follicle, staining was restricted to the outermost cell layer of the outer root sheath; within the hair follicle several cell layers of the hair follicle bulb were positive with antiserum gp 15.1.
In human fetal tissues keratin K15 was localized in basal cells of epidermis, lung, trachea, tracheal glands and esophagus. In fetal hair anlagen, all cells were positive with antiserum gp 15.1, suggesting that keratin K15 is preferentially expressed in epithelial stem cells. Completely unreactive were cells of liver, colon, kidney, urinary bladder, pancreas and lung alveolus.
In tumors, gp15.1 is reactive with squamous skin and lung carcinomas and with a significant subgroup of invasive ductal breast carcinomas, especially tumors with higher grade malignancy.
Reactivity on cultured cell lines: HaCat, A-431; negative on PLC.
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