HSB-2 cell line人T細胞白血病細胞株

Cell line:
HSB-2
NTCC no.:
ACC 435
Species validation:
human (Homo sapiens)
Cell type:
T cell leukemia
Origin:
established in 1966 from the peripheral blood of an 11-year-old boy with lymphosarcoma that had progressed to acute lymphoblastic leukemia (ALL); cell line was established and initially passaged in newborn hamsters; cells were described as carrying the t(1;7)(p34;q34) involving the LCK and TRB (LCK-TCRB) genes and a submicroscopic del(1)(p32) leading to the STIL-TAL1 (SIL-SCL) fusion gene; one of the oldest immature T cell lines, also known in the literature as CCRF-HSB-2

NTCC Cell Culture Data:
Morphology:
round to polygonal cells, growing singly or in dense clumps in suspension;
Image:

Medium:
90% RPMI 1640 + 10% h.i. FBS
Subculture:
seed out at ca. 0.3-0.4 x 106 cells/ml; maintain at ca. 0.4-1.0 x 106 cells/ml; split saturated culture 1:3 every 2-3 days; maximal density at ca. 1.3 x 106 cells/ml
Incubation:
at 37 °C with 5% CO2
Doubling time:
ca. 25 hours
Harvest:
cell harvest of ca. 0.8 x 106 cells/ml
Storage:
frozen with 70% medium, 20% FBS, 10% DMSO

NTCC Scientific Data:
Mycoplasma:
initial contamination was eliminated with BM-Cyclin (tiamulin & minocycline), then negative in DAPI, microbiological culture, RNA hybridization and continuously in PCR assays

Immunology:
CD2 -, cyCD3 +, smCD3 -, CD4 -, CD5 +, CD6 +, CD7 +, CD8 +, CD13 -, CD19 -, TCRalpha/beta -, TCRgamma/delta -;



Authenticity:
STR analysis according to the global standard ANSI/ATCC ASN-0002.1-2021 (2021) resulted in an authentic STR profile of the reference STR database.
Cytogenetics:
human pseudodiploid karyotype with 4% polyploidy - 46(42-46)<2n>XY, t(1;7)(p34;q35), carries t(1;7) effecting LCK-TRB (LCK-TCRB) fusion, resembles published karyotype
Viruses:
ELISA: reverse transcriptase negative; PCR: EBV -, HBV -, HCV -, HIV-1 -, HIV-2 -, HTLV-1/2 -, MLV -, SMRV -

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