Control and virus-transformed baby hamster kidney cells resistant to ethidium bromide. I. Characterization and the respiratory enzymes

1980 ◽  
Vol 104 (2) ◽  
pp. 137-152 ◽  
Author(s):  
Gerald Soslau ◽  
Paul J. Zavodny
1981 ◽  
Vol 106 (1) ◽  
pp. 137-148
Author(s):  
Gerald Soslau ◽  
Thomas E. Conover ◽  
Richard F. Schneider ◽  
Paul J. Zavodny

Author(s):  
A. B. Taylor ◽  
G. C. Cole ◽  
M. A. Holcomb ◽  
C. A. Baechler

An aliquot from a continuous fermenter culture of baby hamster kidney cells (BHK-21 Clone PD-4) (Wistar) maintained in Ca free Eagle's Basal Medium containing 2% Kaolin adsorbed fetal calf serum was planted in spinner flasks at 300,000 cells per ml, total volume 600 ml. After equilibration for one day at 35°C to insure that cells were in log phase, the culture was infected with the M-33-AGMK25 BHK-219 strain of rubella at an input multiplicity of about 6 TCID50 per cell. The virus was identified with specific rubella antiserum.Preliminary experiments had shown that such cultures would reach a peak or plateau HA titer of approximately 1:64, 24 hrs after inoculation and would continue to yield virus for 6 to 12 days. One hundred ml aliquot harvests were withdrawn daily and the culture was returned to volume with growth medium and incubation continued. The harvested cells were spun down rapidly at 2500 rpm per 15 mins., fixed in 3.7% gluteraldehyde in Ca free phosphate buffer saline, and post fixed in osmium tetraoxide. After dehydration, the cells were embedded in Epon 812 and cured approximately 20 hrs at 60°C.


1997 ◽  
Vol 41 (10) ◽  
pp. 2286-2288 ◽  
Author(s):  
S Ankri ◽  
T Miron ◽  
A Rabinkov ◽  
M Wilchek ◽  
D Mirelman

The ability of Entamoeba histolytica trophozoites to destroy monolayers of baby hamster kidney cells is inhibited by allicin, one of the active principles of garlic. Cysteine proteinases, an important contributor to amebic virulence, as well as alcohol dehydrogenase, are strongly inhibited by allicin.


2012 ◽  
Vol 03 (03) ◽  
pp. 385-390 ◽  
Author(s):  
Shufang Liu ◽  
Haijie Liu ◽  
Zhijuan Yin ◽  
Kai Guo ◽  
Xibao Gao

1982 ◽  
Vol 204 (3) ◽  
pp. 803-807 ◽  
Author(s):  
T O Eloranta ◽  
K Tuomi ◽  
A M Raina

5'-Methylthioadenosine was taken up and immediately metabolized further by cultured baby-hamster kidney cells during the exponential phase of growth. The adenine moiety supplied the purine-nucleotide pool via the salvage pathway and was efficiently incorporated into nucleic acids. Catabolites of methylthioadenosine excreted by the cells included adenine, purinic compounds and metabolites of the ribose portion. 5'-Methylthiotubercidin had no significant effect on the cellular metabolism of methyl-thioadenosine, but greatly inhibited its uptake. erythro-9-(2-Hydroxy-3-nonyl)adenine had no effect on the uptake, but markedly interfered with the further utilization of methylthioadenosine after cleavage in the cells.


1975 ◽  
Vol 142 (4) ◽  
pp. 877-886 ◽  
Author(s):  
H S Lin ◽  
C Kuhn ◽  
T Kuo

Free alveolar cells obtained from healthy unstimulated hamsters were tested for their ability to form colonies in soft agar. Every bronchial washing so far tested contained colon-forming cells. The average plating efficiency was 8.1% (2.4-18.3%). Alveolar colony-forming cells were characterized by having a long initial lag period (4-8 days) and only mononuclear phagocytes were found in the colony. Medium conditioned by baby hamster kidney cells or other cells was required for the initiation and maintenance of their growth. Alveolar cells from normal mice and rats also formed colonies under appropriate culture conditions.


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