HBL-100 cell

SKU:BHC11100045
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Overview
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HBL-100 cell is a cell line derived from Caucasian (Female). It is commonly used as an in vitro model for 1 research. Growth characteristics: Monolayer, adherent, Epithelial-like. Supplied as cryopreserved cells with accompanying batch CoA and quality-control documentation.

Species Human
Disease model Carcinoma
Morphology Epithelial-like
Growth Properties Monolayer, adherent
Tissue Breast
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Catalog no. Size
300178 1 cryovial
Available Options

This cell line is available in the U.S. For non-profit users, please sign and submit the Non-Profit Supply Agreement to orders@biohippo.com before placing an order. For commercial users, please complete the CLEAR Form before ordering, as additional usage fees may apply based on the intended use. For further details, please contact orders@biohippo.com. Products ship after the required agreement is completed; typical delivery is 2–3 business days. Products are shipped frozen on dry ice in cryotubes. Each cryotube typically contains 3 × 10^6 cells for adherent lines or 5 × 10^6 cells for suspension lines (refer to the batch CoA for details).

Field Specification
Mfr No 300178
Species Human
HBL-100 is a human breast epithelial cell line originally derived from the breast milk of a nursing mother. The milk was collected three days post-delivery, and despite no evidence of a breast lesion in the donor and no family history of breast cancer, the cells exhibited an abnormal karyotype by passage 7. This cell line is notable for its ability to synthesize a small amount of lactose and to respond to prolactin or estrogen stimulation by increasing the production of casein. Microscopic analyses, such as electron micrographs, have confirmed the presence of microvilli, tonofibrils, and desmosomes in these cells, highlighting their typical epithelial characteristics. However, the HBL-100 cell line has encountered significant complications regarding its identification and characterization. It was found to contain a Y chromosome, suggesting a misidentification as the cell line was initially thought to be of female origin. Further complexity arises from the presence of SV40 genomic sequences within the cell line, contradicting earlier beliefs that it was spontaneously immortalized. These findings have led to debates regarding the origin and the genetic makeup of HBL-100, making it a problematic cell line for research without thorough validation of its characteristics and origin.

SKU:BHC11100045

  • Antigen expression: HLA A1, A10, A11, B7, B8
  • Isoenzymes: G6PD, B, PGM1, 1, PGM3, 2, ES-D, 1, Me-2, 0, GLO-1, 2, AK-1, 1-2, Phenotype Frequency Product: 0.0008
  • Tumorigenic: Yes, in nude mice. At passage levels below 35 the line is not tumorigenic in nude mice, but forms colonies in soft agar. Tumorigenicity has been reported to increase above passage 35.
  • Viruses: The cells contain a tamdemly integrated SV40 genome it has been reported that they may contain a type D retrovirus that is similar or identical to Mason-Pfizer monkey virus (MPMV).
  • Reverse transcriptase: Positive
  • MSI status: Stable (MSS)
  • Karyotype: The stemline chromosome number is near triploid with the modal number of 67 chromosomes, and the 2S component occurring at 0.6%. Most chromosome complements consist of about 39 normal and 28 marker chromosomes. Markers such as 2q, 11q+, 11q, t(2q.12), t(2q.5q?), t(6p?.16), 16pt and many others are common to most metaphases. Normal chromosomes 11, 14, 15 and 16 are absent. 2, 12, 17 and 19 are monosomic, and the x is disomic. DNA profiling for amelogenin, a sex-chromosome-specific PCR assay that can distinguish x chromosome-specific products from Y chromosome-specific products revealed the presence of Y chromosomes in this cell line of putative female origin. Confirmation of the general findings was accomplished by QM staining, C-banding, and FISH, with a whole chromosome paint probe to the human Y chromosome.
  • cultureMedium: McCoys 5a, w: 3.0 g/L Glucose, w: stable Glutamine, w: 2.0 mM Sodium pyruvate, w: 2.2 g/L NaHCO3 (Cytion article number 820200a)
  • supplements: Supplement the medium with 10% FBS
  • dissociationReagent: Accutase
  • subculturing: Remove the old medium from the adherent cells and wash them with PBS that lacks calcium and magnesium. For T25 flasks, use 3-5 ml of PBS, and for T75 flasks, use 5-10 ml. Then, cover the cells completely with Accutase, using 1-2 ml for T25 flasks and 2.5 ml for T75 flasks. Let the cells incubate at room temperature for 8-10 minutes to detach them. After incubation, gently mix the cells with 10 ml of medium to resuspend them, then centrifuge at 300xg for 3 minutes. Discard the supernatant, resuspend the cells in fresh medium, and transfer them into new flasks that already contain fresh medium.
  • seedingDensity: 1 x 104 cells/cm2
  • fluidRenewal: 2 to 3 times per week
  • postThawRecovery: After thawing, plate the cells at 5 x 104 cells/cm2 and allow the cells to recover from the freezing process and to adhere for at least 24 hours.
  • freezeMedium: As a cryopreservation medium, use complete growth medium (including FBS) + 10% DMSO for adequate post-thaw viability, or CM-1 (Cytion catalog number 800100), which includes optimized osmoprotectants and metabolic stabilizers to enhance recovery and reduce cryo-induced stress.
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