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Immunofluorescent analysis of Cytokeratin 19 was performed using 90% confluent log phase MCF-7 cells. The cells were fixed with 4% paraformaldehyde for 10 minutes, permeabilized with 0.1% Triton™ X-100 for 10 minutes, and blocked with 1% BSA for 1 hour at room temperature. The cells were labeled with Cytokeratin 19 (RCK108) Mouse Monoclonal Antibody (MA5-12613) at 2 ug/mL in 0.1% BSA and incubated for 3 hours at room temperature and then labeled with Goat anti-Mouse IgG (H+L) Superclonal™ Secondary Antibody, Alexa Fluor® 488 conjugate (A28175) a dilution of 1:2000 for 45 minutes at room temperature (Panel a: green). Nuclei (Panel b: blue) were stained with SlowFade® Gold Antifade Mountant with DAPI (S36938). F-actin (Panel c: red) was stained with Alexa Fluor® 555 Rhodamine Phalloidin (Product # R415, 1:300). Panel d represents the merged image showing membrane localization. Panel e shows the no primary antibody control. The images were captured at 60X magnification.
|Tested species reactivity||Human|
|Published species reactivity||Human|
|Host / Isotype||Mouse / IgG1|
|Immunogen||Cytoskeleton preparation of T24 cells|
|Storage buffer||tissue culture supernatant|
|Contains||0.09% sodium azide|
|Storage Conditions||4° C|
|Tested Applications||Dilution *|
|Flow Cytometry (Flow)||3-5 µg/10^6 cells|
|Immunocytochemistry (ICC)||2 µg/mL|
|Immunofluorescence (IF)||2 µg/mL|
|Immunohistochemistry (Paraffin) (IHC (P))||1:100-1:200|
|Western Blot (WB)||2 µg/mL|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
|Immunohistochemistry (IHC)||See 2 publications below|
MA5-12613 targets Cytokeratin 19 in IHC (P) and WB applications and shows reactivity with Human samples.
The MA5-12613 immunogen is cytoskeleton preparation of T24 cells.
Cytokeratin 19 is a member of type I acidic subfamily of intermediate filaments. It is expressed in various different humantissues except in liver. Keratin 19 is not expressed in hepatocytes, therefore, antibody to keratin 19 is useful in the identification of liver metastasis.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
WNT7A and PAX6 define corneal epithelium homeostasis and pathogenesis.
MA5-12613 was used in immunohistochemistry to establish an in vitro system to study three-dimensional corneal differentiation
|Ouyang H,Xue Y,Lin Y,Zhang X,Xi L,Patel S,Cai H,Luo J,Zhang M,Zhang M,Yang Y,Li G,Li H,Jiang W,Yeh E,Lin J,Pei M,Zhu J,Cao G,Zhang L,Yu B,Chen S,Fu XD,Liu Y,Zhang K||Nature (511:358)||2014|
Sporadic haemangioblastoma of the kidney with rhabdoid features and focal CD10 expression: report of a case and literature review.
MA5-12613 was used in immunohistochemistry to report on a case of sporadic haemangioblastoma of the kidney with rhabdoid features and focal CD10 expression
|Yin WH,Li J,Chan JK||Diagnostic pathology (7:null)||2012|
40-kd; 40-kDa keratin intermediate filament; CK-19; cytokeratin 19; cytokeratin-19; keratin; keratin 19, type I; keratin, type I, 40-kd; keratin-19; type I; type I cytoskeletal 19
CK19; K19; K1CS; KRT19