CK 20
Use
Cytokeratin (CK) 20 is an intermediate filament protein that is primarily restricted to the gastric and intestinal epithelium, urothelium, and Merkel cells. CK20 is often used in conjunction with other cytokeratin antibodies in distinguishing colon carcinomas (CK20+) from ovarian, pulmonary, and breast carcinomas.
Special Instructions
Not provided.
Limitations
Stated turn-around-times (TATs) are for clinical use only and subject to change based on biopharma protocol requirements. Final TATs will be specified in the biopharma study contract.
Methodology
Immunoassay (IHC)
Biomarkers
Cytokeratin 20
Protein
Result Turnaround Time
2 days
Related Documents
For more information, please review the documents below
Specimen
Tissue (FFPE)
Volume
Not provided
Minimum Volume
Not provided
Container
FFPE Block, Formalin Fixed
Collection Instructions
Fixative should be at a 20:1 fixative to tissue ratio, 10% neutral buffered formalin (NBF) for 6-72 hours (48-72 hours PREFERRED)
Storage Instructions
Store at 15°C to 25°C
Causes for Rejection
Specimens must be fixed in 10% NBF or B plus. All other fixatives will be rejected.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Indefinite |