In Vitro Technologies

Permits and Restrictions	View Permits View Restrictions
Organism	Homo sapiens, human
Tissue	lung
Product Format	frozen
Morphology	epithelial
Culture Properties	adherent
Biosafety Level	1 Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Disease	squamous cell carcinoma
Gender	male
Applications	This cell line is a suitable transfection host.
Storage Conditions	liquid nitrogen vapor temperature

Karyotype	This is a hypotriploid human cell line. The modal chromosome number is 58 occurring at 30%. The frequency of higher ploidies was 3.2%. Over 30 marker chromosomes were common to all cells, and four others were found in some cells. Among the common markers were 1q+, t(1q8q), 2q+, der(16)t(3;16)(q21;q22), der(19)t(13;19)(q21;q13), and der(5)t(5;5)(p15pq13). Generally, there were two copies of der(5) in each cell. Normal Y and D group chromosomes were absent, and the X chromosome was single.
Derivation	The NCI-H520 cell line was derived by A.F. Gazdar and associates in 1982 from a sample of a lung mass taken from a patient with squamous cell carcimoma of the lung.
Clinical Data	male
Tumorigenic	Yes
Effects	Yes, in nude mice inoculated subcutaneously with 10(7) cells (Tumors developed within 21 days at 100% frequency (5/5).)
Comments	The cells express greatly reduced levels of p53 mRNA relative to normal lung tissue, but exhibit no gross structural DNA abnormalities. The cells stain positively for keratin and vimentin but are negative for neurofilament triplet protein. The line can be cloned in soft agar (with or without serum).

Complete Growth Medium	The base medium for this cell line is ATCC-formulated RPMI-1640 Medium, ATCC 30-2001. To make the complete growth medium, add the following components to the base medium: fetal bovine serum (ATCC 30-2020) to a final concentration of 10%.
Subculturing	Remove medium, and rinse with 0.25% trypsin, 0.03% EDTA solution. Remove the solution and add an additional 1 to 2 mL of trypsin-EDTA solution. Allow the flask to sit at room temperature (or at 37°C) until the cells detach. Add fresh culture medium, aspirate and dispense into new culture flasks. Subcultivation Ratio: A subcultivation ratio of 1:3 to 1:6 is recommended Medium Renewal: 2 to 3 times per week
Cryopreservation	Freeze medium: Complete growth medium, 95%; DMSO, 5% Storage temperature: liquid nitrogen vapor temperature
Culture Conditions	Temperature: 37°C

STR Profile	Amelogenin: X CSF1PO: 10 D13S317: 10,11 D16S539: 8,13 D5S818: 12,13 D7S820: 8,12 THO1: 10 TPOX: 8 vWA: 18,19
Isoenzymes	AK-1, 1 ES-D, 1 G6PD, B GLO-I, 2 Me-2, 0 PGM1, 1 PGM3, 1
Population Doubling Time	61 hrs in medium with serum; 25 to 32 hrs in serum-free medium

Name of Depositor	AF Gazdar, JD Minna
References	Banks-Schlegel SP, et al. Intermediate filament and cross-linked envelope expression in human lung tumor cell lines. Cancer Res. 45: 1187-1197, 1985. PubMed: 2578876 Takahashi T, et al. p53: A frequent target for genetic abnormalities in lung cancer. Science 246: 491-494, 1989. PubMed: 2554494 Brower M, et al. Growth of cell lines and clinical specimens of human non-small cell lung cancer in a serum-free defined medium. Cancer Res. 46: 798-806, 1986. PubMed: 3940644 Tumors developed within 21 days at 100% frequency (5/5).

Name of Depositor

AF Gazdar, JD Minna

References

Banks-Schlegel SP, et al. Intermediate filament and cross-linked envelope expression in human lung tumor cell lines. Cancer Res. 45: 1187-1197, 1985. PubMed: 2578876

Takahashi T, et al. p53: A frequent target for genetic abnormalities in lung cancer. Science 246: 491-494, 1989. PubMed: 2554494

Brower M, et al. Growth of cell lines and clinical specimens of human non-small cell lung cancer in a serum-free defined medium. Cancer Res. 46: 798-806, 1986. PubMed: 3940644

Tumors developed within 21 days at 100% frequency (5/5).

Permits	These permits may be required for shipping this product to Australia: DAFF Import Permit formerly known as AQIS Import Permit must be obtained and a copy of the permit must be sent to ATCC in advance of shipment.
Basic Documentation	Product Sheet Certificate of Analysis SDS
Restrictions	The line is available with the following restrictions: This cell line was deposited at the ATCC by Dr. Adi F. Gazdar and is provided for research purposes only. Neither the cell line nor products derived from it may be sold or used for commercial purposes. Nor can the cells be distributed to third parties for purposes of sale, or producing for sale, cells or their products. The cells are provided as service to the research community. They are provided without warranty of merchantability or fitness for a particular purpose or any other warranty, expressed or implied. Any proposed commercial use of the these cells, or their products, must first be negotiated with the National Cancer Institute (NCI). For further information, please contact NCI’s Technology Transfer Center at NCI_TTC_Contact@mail.nih.gov or by phone at (240)-276-5514.
References	Banks-Schlegel SP, et al. Intermediate filament and cross-linked envelope expression in human lung tumor cell lines. Cancer Res. 45: 1187-1197, 1985. PubMed: 2578876 Takahashi T, et al. p53: A frequent target for genetic abnormalities in lung cancer. Science 246: 491-494, 1989. PubMed: 2554494 Brower M, et al. Growth of cell lines and clinical specimens of human non-small cell lung cancer in a serum-free defined medium. Cancer Res. 46: 798-806, 1986. PubMed: 3940644 Tumors developed within 21 days at 100% frequency (5/5).

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NCI-H520; Lung Carcinoma; Human (Homo sapiens) Item ID: ATCHTB182

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