Human Cell Lines-Cell Lines-InCellGene LLC.-CellLines,Biomedicine reasearch Product,Cell Biology,Cell Culture,293T Cell,Media

Organism	Homo sapiens, human
Tissue	colon; derived from metastatic site: 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	colorectal carcinoma
Age	72 years
Gender	male
Applications	The T84 cell line is a transplantable human carcinoma cell line. It is also a suitable transfection host.
Storage Conditions	liquid nitrogen vapor phase

Karyotype	The stemline modal chromosome number is 56, occurring at 28% with polyploidy at 12.4%. Eighteen markers are common to most metaphases examined. Normal X and chromosome 13 were absent; chromosomes 2, 4 and 22 were single-copied, and chromosome 12 was 4-copied. No Y chromosome was detected by Q band observation. DM occurred in nearly 50% of the cells.

Derivation	The T84 cell line is a transplantable human carcinoma cell line derived from a lung metastasis of a colon carcinoma in a 72-year-old male. Tumor tissue was inoculated subcutaneously and serially transplanted in BALB/c nude mice.
Clinical Data	male
Receptor Expression	neurotransmitter, expressed peptide hormone, expressed
Genes Expressed	carcinoembryonic antigen (CEA), 600 ng/mL per 106 cells per 10 days; keratin
Cellular Products	carcinoembryonic antigen (CEA), 600 ng/ml per 10 exp6 cells per 10 days; keratin
Tumorigenic	Yes
Effects	Yes, in nude mice (Tumors developed within 21 days at 100% frequency (5/5) in nude mice inoculated subcutaneously with 10(7) cells)
Comments	The original histological characteristics of the colon carcinoma were maintained throughout transplantation in nude mice. After 23 passages in athymic mice, the T84 cell line was established. These cells grow to confluence as monolayers and exhibit tight junctions and desmosomes between adjacent cells. They have receptors for many peptide hormones and neurotransmitters and maintain vectorial electrolyte transport. This line exhibits tight junctions, and desmosomes between adjacent cells. The cells are positive for keratin by immunoperoxidase staining.

Complete Growth Medium	A 1:1 mixture of Ham''''''''''''''''''''''''''''''''s F12 medium and Dulbecco''''''''''''''''''''''''''''''''s modified Eagle''''''''''''''''''''''''''''''''s medium with 2.5 mM L-glutamine, 95%; fetal bovine serum, 5%
Subculturing	Volumes are given for a 75 cm2 flask. Increase or decrease the amount of dissociation medium needed proportionally for culture vessels of other sizes. Corning® T-75 flasks (catalog #430641) are recommended for subculturing this product. Remove and discard culture medium. Briefly rinse the cell layer with 0.25% (w/v) Trypsin- 0.53 mM EDTA solution to remove all traces of serum that contains trypsin inhibitor. 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. Add 6.0 to 8.0 mL of complete growth medium and aspirate cells by gently pipetting. Add appropriate aliquots of the cell suspension to new culture vessels. Incubate cultures at 37°C. Subcultivation Ratio: A subcultivation ratio of 1:2 to 1:4 is recommended Medium Renewal: Twice per week
Cryopreservation	Freeze medium: Complete growth medium supplemented with 5% (v/v) DMSO Storage temperature: liquid nitrogen vapor phase
Culture Conditions	Atmosphere: air, 95%; carbon dioxide (CO2), 5% Temperature: 37°C Growth Conditions: The cells should be maintained at high density (at least 1/4 confluency).