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Table 3 Proviral load in contaminated cell lines.

From: Unintended spread of a biosafety level 2 recombinant retrovirus

 

Proviral DNA copies/cell

Cell line

Hybrid amphotropic/Moloney murine leukemia virus

Squirrel monkey retrovirus

CHO

0.0007

0.00002

A549

0.0004

26

Cos 7

0.0005

0.26

HEp2

0.13

0.001

L929

1.44

0.002

Vero E6

3.84

12

3T6

4.58

0.00001

HeLa

5.74

115

293A

1622

20

T-Rex 293

2596

8.11

293T

2874

208

  1. Viral DNA copy numbers were determined by quantitative PCR and are given as the maximum proviral DNA copies/cell detected.