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LS 123

94120801

biological source

human colon

growth mode

Adherent

karyotype

Modal no. 63 (2n=46), hypotriploid

morphology

Epithelial

products

Carcinoembryonic antigen (CEA)

receptors

Not specified

technique(s)

cell culture | mammalian: suitable

relevant disease(s)

cancer

shipped in

dry ice

storage temp.

−196°C

Related Categories

Cell Line Origin

Human colon adenocarcinoma

Cell Line Description

Established in 1974 from the second in a series of 3 primary colonic tumours resected from a 65 year old Caucasian female, which was classified as a Duke′s B mucin producing colon adenocarcinoma. LS 123 is aneuploid, fails to grow progressively in nude mice and forms colonies only in enriched semisolid medium developed for tumour stem cells. The cells will grow in either low serum or serum free medium. In chick embryonic skin assays the cells grow as a well differentiated abnormal colonic epithelium with little mitotic activity and low invasiveness. LS 123 exhibits several properties associated with neoplasia, but have little invasive potential and may represent an early stage in tumour development.

DNA Profile

STR-PCR Data: Amelogenin: X
CSF1PO: 10,11
D13S317: 9,13
D16S539: 13
D5S818: 11
D7S820: 9
THO1: 7,8
TPOX: 9
vWA: 16

Culture Medium

EMEM (EBSS) + 2mM Glutamine + 1% Non Essential Amino Acids (NEAA) + 10% Foetal Bovine Serum (FBS) (Heat inactivated).

Subculture Routine

Split sub-confluent cultures (70-80%) 1:4 to 1:8 i.e. seeding at 1-2x10,000 cells/cm2 using trypsin 0.25% or trypsin/EDTA; 5% CO2, 37°C.

Other Notes

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Certificate of Analysis

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Certificate of Origin

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