宁波泰斯拓生物

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浙江省宁波市镇海区庄市街道兴庄路9号创e慧谷42号楼B幢401室
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AA8

货号 TS212727
中文名称 null
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产品简介
购买须知
产品名称: AA8
商品货号: TS212727
Organism: Cricetulus griseus, hamster, Chinese
Tissue: ovary
Product Format: frozen
Morphology: epithelial-like
Culture Properties: monolayer and suspension
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.

Gender: female
Applications:
The line is useful for gene mutation assays and is the parent line for a series of repair deficient mutants (see ATCC CRL-1860, ATCC CRL-1861, ATCC CRL-1862, ATCC CRL-1865, ATCC CRL-1866 and ATCC CRL-1867).
Storage Conditions: liquid nitrogen vapor phase
Karyotype: chromosome number = 21
Derivation:
This line is a derivative of the CHO cell line.
Clinical Data:
female
Comments:
This line is a derivative of the CHO cell line.
The AA8 line has 21 chromosomes and is heterozygous at the aprt locus.
The line is useful for gene mutation assays and is the parent line for a series of repair deficient mutants (see ATCC CRL-1860, ATCC CRL-1861, ATCC CRL-1862, ATCC CRL-1865, ATCC CRL-1866 and ATCC CRL-1867).
Complete Growth Medium: Alpha minimum essential medium without ribonucleosides and deoxyribonucleosides, 90%; fetal bovine serum, 10%
Subculturing: Volumes used in this protocol are for 75 cm2 flask; proportionally reduce or increase amount of dissociation medium for culture vessels of other sizes.
  1. Remove and discard culture medium.
  2. Briefly rinse the cell layer with 0.25% (w/v) Trypsin-0.53mM EDTA solution to remove all traces of serum which contains trypsin inhibitor.
  3. Add 2.0 to 3.0 mL of Trypsin-EDTA solution to flask and observe cells under an inverted microscope until cell layer is dispersed (usually within 5 to 15 minutes).
    Note: To avoid clumping do not agitate the cells by hitting or shaking the flask while waiting for the cells to detach. Cells that are difficult to detach may be placed at 37°C to facilitate dispersal.
  4. Add 6.0 to 8.0 mL of complete growth medium and aspirate cells by gently pipetting.
  5. Add appropriate aliquots of the cell suspension to new culture vessels.
  6. Incubate cultures at 37°C.

Subcultivation Ratio: 1:4 to 1:12
Medium Renewal: Every 2 to 3 days

Note: For more information on enzymatic dissociation and subculturing of cell lines consult Chapter 10 in Culture of Animal Cells, a Manual of Basic Technique by R. Ian Freshney, 3rd edition, published by Alan R. Liss, N.Y., 1994.

Cryopreservation:

Complete growth medium described above supplemented with 5% (v/v) DMSO.xa0 Cell culture tested DMSO is available as ATCC Catalog No. 4-X.

Culture Conditions:
Temperature: 37°C
Atmosphere: Air, 95%; Carbon dioxide (CO2), 5%
Population Doubling Time: 12 hrs
Name of Depositor: LH Thompson
References:

Thompson LH, et al. Validation of conditions for efficient detection of HPRT and APRT mutations in suspension-cultured Chinese hamster ovary cells. Mutat. Res. 74: 21-36, 1980. PubMed: 7360155

Bessho T, et al. Initiation of DNA interstrand cross-link repair in humans: the nucleotide excision repair system makes dual incisions 5" to the cross-linked base and removes a 22- to 28-nucleotide-long damage-free strand. Mol. Cell. Biol. 17: 6822-6830, 1997. PubMed: 9372913

Reardon JT, et al. Isolation and characterization of two human transcription factor IIH (TFIIH)-related complexes: ERCC2/CAKand TFIIH. Proc. Natl. Acad. Sci. USA 93: 6482-6487, 1996. PubMed: 8692841

Busch D, et al. Summary of complementation groups of UV-sensitive CHO cell mutants isolated by large-scale screening. Mutagenesis 4: 349-354, 1989. PubMed: 2687628

Hay, R. J., Caputo, J. L., and Macy, M. L., Eds. (1992), ATCC Quality Control Methods for Cell Lines. 2nd edition, Published by ATCC.

Caputo, J. L., Biosafety procedures in cell culture. J. Tissue Culture Methods 11:223-227, 1988.

Fleming, D.O., Richardson, J. H., Tulis, J.J. and Vesley, D., (1995) Laboratory Safety: Principles and Practice. Second edition, ASM press, Washington, DC.