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Cell Immortalization Products

 

Primary cells reach senescence after a limited number of populatin doublings, thus scientists frequently need to re-establish fresh cultures from explanted tissue - a tedious process. To use the same consistent cells throughout a research project, scientists need primary cells with extended replicative capacity, or immortalized cells.
Several methods exist for immortalizing mammalian cells in culture. Viral genes, including Simian virus 40 (SV40) T antigen, Epstein Barr virus (EBV), Adenovirus E1A and E1B, and human Papilomavirus (HPV) E6 and E7 can induce immortalization in different cell types. SV40 T antigen has been shown to be the most simple and reliable agent for the transfromation of many different cell types in culture. The mechanism of SV40 T antigen in cell immortalization is well studied. For the most part, viral genes achieve immortalization by inactivating the tumor suppressor genes (p53, Rb and others) that can induce a replicative senescent state in cells. Recent studies have also shown that SV40 T antigen can induce Telomerase activity in the infected cells.
The most recently discovered approach to cell immortalization is through the expression of Telomerase Reverse Transcriptase protein (TERT), particularly for cells that are most affected by telomere length (e.g human). This protein is inactive in most somatic cells, but when hTERT is exogenously expressed, the cells are able to maintain telomere lenghts sufficient to avoid senescence. Analysis of several telomerase-immortalized cell lines has verified that the cells maintain a stable genotype and retain critical phenotypic markers.

From years of experience in cell immortalization, ABM has developed the most comprehensive list of cell immortalization products including plasmids, retro and andenoviral vectors containing either hTERT or SV40 T antigens. We also offer ready-to-use recombinant retroviruses and adenoviruses. All these tools will make your cell immortalization project simpler and easier than ever before.

Telomerase

 
Product Description
Qty
Cat. No
Adeno-hTERT Recombinant Telomerase Adenovirus
vial
G205
Adeno-hTERT Antisense Recombinant Telomerase Adenovirus
vial
G208
pRetro-E1/hTERT Recombinant Telomerase Retroviral vector
10 µg
G206
pRetro-E1/hTERT virus Recombinant Retrovirus (10 cfu/ml)
10 ml
G207

 

SV40

 

Product Description
Qty
Cat. No
pPromoter-SV40 The whole SV40 genome in pPromoter vector (EcoR I)
10 µg
G209
Adeno-SV40 Recombinant Adenoviral vector containing SV40 large and small T antigen
vial
G210
pRetro-E2/SV40 Recombinant Retroviral vector containing SV40 large and small T antigen
10 µg
G211
pRetro/SV40 virus Recombinant Retrovirus containing SV40 large and small T antigen (10 cfu/ml)
20 ml
G212

 

Related Products

Product Description
Qty
Cat. No
EGF Recombinant Human Epidermal Growth Factor (EGF)
100 µg
G131
IGF-I Recombinant Human Insulin-like Growth Factor-I (IGF-I)
20 µg
G132
IGF-II Recombinant Human Insulin-like Growth Factor-II (IGF-II)
10 µg
G133

 

Antibodies, Cell Biology, ELISA, Immunology, Oxidative Stress

For more information :: Bioxys and Gentaur BVBA :: Av. de l'Armée 68 B4 :: BE-1040 BELGIUM

Email: info@gentaur.com
 

International 

+32 (0) 16 58 90 45

+32 (0) 16 50 90 45

France

01 43 25 01 50

01 43 25 01 60

Italy

02 36 00 65 93

02 36 00 65 94

Germany

+32 (0) 16 58 90 45

+32 (0) 16 58 90 45

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Last modified: Oct-08