Hela

Name: Hela
Brand: Procell
SKU: CL-0101
Price: 420.0 USD
Availability: InStock

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Cat. No.: CL-0101

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CL-0101

$ 420.00

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1×10^6Cells/Vial×2Vials

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Product Introduction Documents Publications

Product Introduction

General information

Cell Name	Hela
Synonyms	HELA;Hela;He La;He-La;Henrietta Lacks cells;Helacyton gartleri
Cellosaurus Accession	CVCL_0030
Organism	Human
Growth Properties	Adherent
Morphology	Epithelial-like
Disease	cervical cancer cells
Tissue	Uterus; Cervix
Age	31Y
Sex	Female

Handling information

Instructions	1. Check all containers for leakage or breakage. 2. Remove the frozen cells from the dry ice packaging and immediately transfer them to liquid nitrogen (liquid or vapor phase) for long-term cryopreservation.
Complete Medium	MEM, with NEAA [PM150410]+10% Nutrient+1% Supplement
Incubation Atmosphere	Air, 95%; CO₂, 5%
Temperature	37℃
Subcultivation Ratio	1:2-1:4
Medium Renewal	2 to 3 times per week
Dissociation Duration	2-3 min
Subculturing Procedure	1. Remove the culture medium from the T25 cell culture flask. 2. Add approximately 2 mL of PBS. Gently tilt the flask side to side until the PBS covers the entire bottom, then aspirate and discard the PBS. 3. Add 1 mL of 0.25% trypsin solution (containing EDTA). Gently tilt the flask side to side until the trypsin solution covers the entire bottom of the flask. 4. Incubate the cells at 37°C. Observe the cells under an inverted microscope and terminate digestion once the cells round up and detach. To avoid clumping, do not agitate the cells by tapping or shaking the flask during detachment. 5. Add 3 mL of complete culture medium to terminate digestion and disperse into a single cell suspension. 6. Collect the cell suspension and centrifuge at 1200 rpm (approximately 250 ×g) for 3 minutes. Carefully aspirate and discard the supernatant. 7. Add fresh complete culture medium, pipette gently several times to resuspend the cells, and seed them at the appropriate ratio into a new culture flask. Loosen the cap or use a vented cap for incubation.
Freeze Medium	Freezing Medium (Serum-free & animal origin-free) [PB180438]
Storage Conditions	For long-term cryopreservation, cryovials should be stored in liquid nitrogen at −150°C to −196°C. Storage at −80°C is restricted to short-term interim use only.

Reference materials

Background	HeLa cells are the first aneuploid, epithelial-like cell line derived from human tissue and maintained in continuous culture. They were established in 1951 by G.D. Gey et al. from cervical cancer tissue of a 31-year-old African American woman. Following re-examination of original tissue sections, Jones et al. diagnosed the tumor as adenocarcinoma. The cell line harbors human papillomavirus type 18 (HPV-18) sequences and must be handled in a Class II biosafety cabinet. HeLa cells are positive for keratin, express low levels of p53, and exhibit normal levels of pRb (retinoblastoma tumor suppressor protein).
Gene Expression	Lysophosphatidylcholine (lyso-PC) induces AP-1 activity and c-jun N-terminal kinase activity (JNK1) by a protein kinase C-independent pathway. The cells are positive for keratin by immunoperoxidase staining.
Biosafety Level	BSL-2