產品名稱：CRL-1735 Lec1 倉鼠卵巢細胞

CRL-1735 Lec1 倉鼠卵巢細胞
ATCC® Number:  CRL-1735™      
Designations:  Lec1 [originally named Pro-5WgaRI3C] 
Depositors:   P Stanley 
Biosafety Level: 1 
Shipped:  frozen 
Medium & Serum:  See Propagation 
Growth Properties: loosely adherent
Organism: Cricetulus griseus (hamster, Chinese) 
Morphology: epithelial

 
Source: Organ: ovary
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Applications: transfection host (Roche FuGENE® Transfection Reagents)
Gender:  female 
Comments: This line is a mutant clone derived from the parental CHO clone Pro-5 (a proline auxotroph, see ATCC CRL-1781) by selection for resistance to wheat germ agglutinin. The cells lack GlcNAc glycosyl transferase so that N-linked carbohydrates are blocked at the Man5-GlcNAC2-Asn intermediate. The line may be useful for studying the effects of altered N-linked glycosylation on the function and compartmentalization of endogenous glycoproteins or glycoproteins introduced by viral infection or transfection of foreign DNA.
BR>The population contains Pro+ revertants at low frequency (approximately 1 in 100,000 cells), and should be suitable for complementation studies which require the Pro- marker.
The cells are proline auxotrophs and must be grown in a medium that contains proline (40 mg/L).
The population contains Pro+ revertants at low frequency (approximately 1 in 100000 cells), and should be suitable for complementation studies which require the Pro- marker.
Propagation:  ATCC complete growth medium: Alpha minimum essential medium with ribonucleosides and deoxyribonucleosides, 90%; fetal bovine serum, 10%
Temperature: 37.0°C
Subculturing:  Protocol: Remove medium, and rinse with 0.25% trypsin, 0.03% EDTA solution. Remove the solution and add an additional 1 to 2 ml of trypsin-EDTA solution. Allow the flask to sit at room temperature (or at 37C) until the cells detach. Add fresh culture medium, aspirate and dispense into new culture flasks.
Subcultivation Ratio: A subcultivation ratio of 1:2 to 1:4 is recommended
Medium Renewal: 2 to 3 times per week
Preservation:  Freeze medium: Complete growth medium 95%; DMSO, 5%
Storage temperature: liquid nitrogen vapor phase
Related Products: recommended serum:ATCC 30-2020
References: 1201: Stanley P, et al. Selection and characterization of eight phenotypically distinct lines of lectin-resistant Chinese hamster ovary cells. Cell 6: 121-128, 1975. PubMed: 1182798
23255: Stanley P, et al. Chinese hamster ovary cells selected for resistance to the cytotoxicity of phytohemagglutinin are deficient in a UDP-N-acetylglucosamine-- glycoprotein N-acetylglucosaminyltransferase activity. Proc. Natl. Acad. Sci. USA 72: 3323-3327, 1975. PubMed: 1059116
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