Table S1.
Optimizing recovery of gDNA and HIV RNA for CARD-SGS
| Recovery of gDNA measured by CCR5 copies | Digestion of gDNA from ACH-2 cells by DNase I | Digestion of HIV DNA from donor PBMCs at an end point for CARD-SGS by DNase I | ||||
| No. of PBMCs or ACH-2 cells extracted | Recovery of gDNA, % | No. of HIV proviruses before treatment with DNase I | No. of HIV proviruses detected in no RT control after DNase I digestion* | No. of HIV proviruses in patient sample before treatment with DNase I† | No. of HIV proviruses detected in no RT controls after DNase I digestion† | No. of HIV RNA copies after digestion with DNase I* |
| 2,000,000 | 36‡ | 9,382,973 | 145 | 280 | 0 | 5 |
| 1,000,000 | 52‡ | 2,734,645 | 9 | 235 | 0 | 5 |
| 600,000 | 145§ | 1,218,179 | 9 | 140 | 0 | 13 |
| 200,000 | 59 | 233,347 | 0 | 42 | 0 | 27 |
| 66,667 | 70 | 133,357 | 0 | |||
| 22,222 | 60 | 36,848 | 0 | |||
| 7,407 | 48 | 5,493 | 0 | |||
| 2,469 | 62 | |||||
HIV copies were measured by qPCR (11).
HIV copies were measured by end-point dilution PCR of the P6-PR-RT target used for the other studies presented here. Gray shading indicates the highest level of recovery of gDNA was from 600,000 cells.
Average of triplicates measured by qPCR for CCR5 copy number. PBMCs were stored at −80 °C for 3–12 mo before extraction.
Twofold deviation of qPCR measurements suggests that recovery was likely 100%.