Epidermoid carcinoma A431
cell line / Homo sapiens / Epidermoid carcinoma
- Animal species:
- Human, Homo sapiens.
- Origin:
- skin
- Age:
- elderly
- Tissue:
- epidermis
- Morphology:
- epithelial, adherent
- Histological diagnosis:
- Epidermoid carcinoma
- Tumoroids obtained:
- yes
- Subcutaneous growth:
- yes
- Molecular profile:
- Isoenzymes AK-1, 1 ES-D, 1 G6PD, B GLO-I, 2 Me-2, 0 PGM1, 1 PGM3, 1
- Tumorigenicity:
- yes, tumors in nude mice
- Karyology:
- This is a hypertriploid human cell line. The modal chromosome number was 74, occurring in 36% of cells. The frequency of cells with higher ploidies was 1.0%.
- Contamination control:
- not detected
- Viral infection:
- not performed
- Species identity control:
- karyological, isoenzyme (LDH and G6PD) and immunofluorescence analysis.
- Application area:
- oncology, toxicology, screening, immuno-oncology.
- Culture method:
- in vitro adhesion, colonies in soft agar, in vivo (see Appendix 1).
- In vitro culture conditions:
- Medium – DMEM fetal bovine serum 10%. passaging procedure - cell detachment using trypsin 0.25 %: Versene 0.02 % (1:3), split ratio 1:3 -1:5 cryopreservation – growth medium 65%, 5% DMSO, 30% fetal bovine serum (see Appendix 1).
- Physical state of the sample:
- frozen.
- Cryopreservation:
- liquid phase and nitrogen vapor (see Appendix 1).
- Viability after cryopreservation:
- 94% (trypan blue staining after thawing).
- History:
- by D.J. Giard
- Collections:
- A.P. Avtsyn Research Institute of Human Morphology, Federal State Budgetary Scientific Institution "B.V. Petrovsky Russian Scientific Center of Surgery", ATCC.
- Patent, certificate:
- no
- Intended use:
- these samples are intended for laboratory research only.