Cell Line: SW-948

  • Cell Line: SW-948
  • Synonyms:
    • SW-948
    • SW 948
    • SW948
  • Culture Type: Cell line
  • Keywords:  Human Colon Adenocarcinoma Cell Line
  • Description: Established a 81-year-old Caucasian female patient with colon adenocarcinoma (Dukes’ type C, grade III)
  • Origin:
    • Organism:
      • Species: Human (Homo sapiens)
      • Age: 81 years
      • Ethnicity: Caucasian
      • Gender: female
    • Tissue: Large intestine, Colon
    • Disease: Colon adenocarcinoma (Dukes’ type C, grade III)
    • Primary/Metastasis: Primary (DepMap)
    • Collection site: Colon (DepMap)
    • Year of origin:-
    • Country of Origin: United States (Culturecollections)
  • Cell line features:
    • Cell Type: Epithelial
    • Morphology: Epithelial-like
    • Growth mode: Adherent, monolayer, form tight clusters or islands of epithelium-like cells
    • Life span: Infinite (continuous culture)
    • Karyotype: Human hypotriploid karyotype with 12% polyploidy (DSMZ)
    • Doubling time: 2-4 days (Cellosaurus)
    • Microsatellite instability: Stable
    • Special features: positive for keratin by immunoperoxidase staining
    • Product: Carcinoembryonic antigen (CEA)
    • Soft agar colony formation assay:-
    • Tumorigenicity: tumorigenic in nude mice 
    • Gene expression: positive for expression of c-myc, K-ras, H-ras, N-ras, myb and fos oncogenes
    • Sequence variations:
      • KRAS (Q61L mutation, Oncogenic, Gain-of-function, Heterozygous)
      • PIK3CA (E542K mutation, Oncogenic, Gain-of-function)
      • RHOA (G17E mutation, Likely Oncogenic, Likely Loss-of-function)
      • For information, please visit
        • https://depmap.org/portal/cell_line/ACH-000680?tab=mutations
        • https://depmap.org/portal/cell_line/ACH-000680?tab=fusions
  • Handling and maintenance:
    • Biosafety level: BSL 1 (ATCC, DSMZ) (It may differ in your country, follow the guidelines of your institute/country)
    • Complete culture medium: Leibovitz’s L-15 Medium + 10% FBS
    • Culture conditions: 
      • Temperature: 37°C incubator
      • Atmosphere: 100% Air
    • Subculturing:
      • Subculturing method: Enzymatic dissociation
      • Cell dissociation solution: 0.25% (w/v) Trypsin- 0.02 mM EDTA solution
      • Harvesting time: Subconfluent culture (70% confluency)
      • Seeding density:-
      • Recommended split ratio: 1:2 to 1:5
      • Medium Renewal: 1 to 2 times per week
    • Cryopreservation:
      • Freezing medium:
        • Complete growth medium + 5% (v/v) DMSO??????
        • Complete growth medium + 20% (v/v) FBS + 10% (v/v) DMSO (DSMZ)
      • Storage conditions: Vapor phase of liquid nitrogen
      • Cell suspension (cell density):-
      • Volume per vial: 1 ml
  • Applications: 
    • 3D cell culture
    • Cancer research
    • Transfection host

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