Description: NZM4 is a semi-adherent cell line derived from a 56-year-old male patient with metastatic melanoma (peritoneal effusion). Description Key Words: Human metastatic melanoma Also Known As: No other names Organism: Human (Homo sapiens) Tissue: Metastatic melanoma from ascites Growth Properties: Adherent and floating viable cells Doubling Time: 48 hours Morphology: Epithelial Growth Medium: This cell line was established by the depositor in: Alpha modified Minimum Essential Medium (MEM) supplemented with 5% Foetal Bovine Serum (FBS), 5 ug/ml Insulin, 5 ug/ml Transferrin, 5 ng/ml Sodium Selenite (ITS), in an atmosphere of 5%O2, 5%CO2 and 90%N2. At CellBank Australia it has been cultured in: Alpha modified Minimum Essential Medium (MEM) supplemented with 10% Foetal Bovine Serum (FBS), 5 ug/ml Insulin, 5 ug/ml Transferrin, 5 ng/ml Sodium Selenite (ITS), in an atmosphere of 5%CO2. Resuscitation: Remove protective cryoflex layer around the ampoule prior to thawing. Thaw the ampoule by gently agitating in a 37°C waterbath; thawing should be rapid (around 2 minutes). A centrifugation step to remove the cryoprotectant after thawing is necessary for this cell line. Subculturing Procedure: Medium Renewal: 2-3 times per week. Subcultivation Ratio: 1:4 – 1:8, Seeding density 1.3 x104cells/cm2. Split subconfluent cultures(70-80%). Harvest the cells using 0.05% Trypsin/EDTA at 37°C for 5 minutes. Culture Conditions: Incubate the culture at 37°C with 5% CO2. Cryoprotectant Medium: 10% DMSO + 90% FCS Handling Procedure for Frozen Cells: Upon receipt, frozen ampoules should be transferred directly to liquid nitrogen storage without delay, if not to be used immediately. Storage at -80°C may result in loss of viability. Additional Information: Wild-type for NRAS, PIK3CA, CDKN2A/Bp53 mutant S241PResistant to temozolomide MGMT expressed.Medium:Growth Condition:BioVector NTCC Inc.www.biovector.net