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TE-1 Cell Line

General Information
Organism Homo sapiens, human
Cell Line Description TE-1 is a mature human cancer cell line derived from well-differentiated esophageal squamous cell carcinoma. Originally isolated at Tohoku University in Japan in the 1970s, this cell line is characterized by its epithelial morphology and ability to grow in vitro as single cells or cell stacks. Biologically, TE-1 cells are crucial for maintaining key structural features of the esophageal epithelium, such as desmosomes and finger-like microvilli. They are widely used in studies of the molecular pathogenesis of esophageal cancer and have been shown to form tumors in immunodeficient mice that are highly histologically similar to those of primary patient tumors.
Tissue Esophagus
Disease Esophageal Squamous Cell Carcinoma (ESCC)
Morphology Epithelial-like; Polygonal
Gender Male
Age 58 years
Product Format Frozen
Growth Mode Adherent
Biosafety Level 2
Applications 1. Esophageal Cancer Research
2. Drug Discovery and Chemosensitivity
3. Receptor Signaling Assays
4. Toxicology and Carcinogenesis
5. High-Throughput Genomic Screening
Shipped In Dry ice
Storage Temperature Below −140°C or in liquid nitrogen vapor phase
Characteristics
Karyotype Hypotriploid/Hyperdiploid; modal chromosome number typically around 52; contains distinctive marker chromosomes.
Tumorigenic Yes, highly tumorigenic in nude or SCID mice.
Genome Variants Associated with p53 signaling pathway alterations and dysregulation of cell cycle regulatory genes.
Markers Expressed Positive for epithelial markers; demonstrates abundant organelles (mitochondria and RER) and desmosomes.
Receptors Expressed High affinity epidermal growth factor receptors (EGFR).
Mycoplasma Test Negative
Culture Conditions and Handling
Subculturing 1. Remove and discard the culture medium.
2. Gently rinse the cell layer with calcium- and magnesium-free PBS buffer to remove residual serum containing trypsin inhibitors.
3. Add 2.0 to 3.0 mL of 0.25% (w/v) trypsin-0.53 mM EDTA solution (for T75 culture flasks).
4. Observe under an inverted microscope until the cell layer disperses (usually 5 to 10 minutes). Do not tap or shake the culture flask to avoid cell clumping.
5. Add 6.0 to 8.0 mL of complete culture medium and gently aspirate the cells using a pipette.
6. Centrifuge the cell suspension at 125 x g for 5 to 7 minutes.
7. Resuspend the cell pellet in fresh complete culture medium and aliquot into new culture containers.
Medium Renewal 2 to 3 times per week.
Subcultivation Ratio A split ratio of 1:2 to 1:4 is recommended for routine maintenance.
Culture Medium RPMI-1640 Medium + 10% Fetal Bovine Serum (FBS). Some formulations may include 2 mM L-glutamine and 4500 mg/L glucose.
Culture Conditions Atmosphere: Air, 95%; CO2, 5%; Temperature: 37℃
Cryopreservation 90% to 95% complete growth medium supplemented with 5% to 10% (v/v) DMSO.

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* For research use only. Not intended for any clinical use.
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