Table 2

Phenotypes of nef-deleted viruses isolated from SBBC members, and corresponding laboratory data

Subject
Virus isolate
Date
Years post-infection
CD4 cells (cells/μl)
HIV RNA (copies/ml)
Replication in PBMC
Coreceptor usage

D36
D36II
6/5/95
14.4
N/A
1400
++
CCR5, CXCR4, (CCR2b)

D36III
8/2/96
15.2
609
1100
++
NT

D36IV
10/4/96
15.3
504
7700
++
NT

D36V
9/7/96
15.6
414
2600
++
NT

D36VI
23/10/96
15.8
432
1100
++
NT

D36VII
30/1/97
16.1
361
3200
++
NT

D36VIII
20/5/97
16.4
540
4000
++
CCR5, CXCR4, (CCR2b)

D36IX
23/12/97
17.0
390
7500
++
CCR5, CXCR4, (CCR2b)

D36X
15/7/98
17.6
325
N/A
++
NT

D36XI
22/1/99
18.1
N/A
N/A
++
CCR5, CXCR4, (CCR2b)

D36XVI
8/11/00
19.9
N/A
BD
++
CCR5

C18
C18(2)
26/7/93
9.8
N/A
N/A
+++
CCR5, (CCR3, Gpr15)

C18(3)
14/10/93
10.1
N/A
N/A
+++
NT

C18(4)
7/3/94
10.5
N/A
2804
+++
CCR5, (CCR3, Gpr15)

C54
C54III
7/11/94
10.3
2006
8200
+/-
CCR5, (CCR2b, CCR3)

C54IV
21/6/95
10.9
1504
3000
+/-
NT

C54 V
20/12/95
11.4
1054
400
+/-
NT

C54VI
4/3/96
11.7
1188
1500
+/-
NT

C54VII
19/6/96
11.9
972
3600
+/-
NT

C54VIII
16/9/96
12.2
1120
1800
+/-
CCR5, (CCR2b, CCR3)

C54X
3/3/97
12.7
882
3400
+/-
NT

C54XI
14/5/97
12.8
1286
N/A
+/-
NT

C54XII
11/8/97
13.1
1419
1700
+/-
NT

C54XIII
17/11/97
13.3
1054
N/A
+/-
NT

C54XIV
5/5/99
14.8
1288
1200
+/-
CCR5, (CCR2b, CCR3)

C54XV
6/3/00
15.7
840
1600
+/-
NT

C98
C98II
7/12/94
12.9
426
1000
++
CCR5, (CCR3)

C98III
9/10/95
13.8
576
670
++
NT

C98IV
7/2/96
14.1
435
200
++
NT

C98V
22/5/96
14.3
693
290
++
NT

C98VI
7/8/96
14.6
512
330
++
CCR5, (CCR2b, CCR3)

C98VII
4/11/96
14.8
646
690
++
NT

C98VIII
31/1/97
15.0
629
770
++
NT

C98IX
7/5/97
15.3
529
760
++
NT

C98X
27/8/97
15.6
612
170
++
NT

C98XI
26/11/97
15.8
400
N/A
++
NT

C98XII
30/9/98
16.7
N/D
N/A
++
NT

C98XIII
3/3/99
17.2
476
N/A
++
NT

C98XIV
9/11/99
17.8
585
BD
++
CCR5, (CCR2b, CCR3)

C64
C64IV
28/2/96
12.8
850
BD
+/-
CCR5

Dates shown are day/month/year. CD4 cells were measured by flow cytometry. Plasma HIV-1 RNA was measured by COBAS Amplicor HIV-1 Monitor Version 1.0 (Roche Molecular Diagnostic Systems, Branchburg, N.J.) prior to July 1999 and Version 1.5 after July 1999. HIV-1 RNA levels < 400 copies/ml (Version 1) or < 50 copies/ml (Version 1.5) were considered below detection. BD, below detection; N/A, not available; NT, not tested. +++, replication kinetics similar to wild type primary HIV strains; ++, reduced levels of replication and/or delayed replication kinetics compared to wild type primary HIV strains; +/-, levels of HIV replication barely detectable or not detectable by RT assays, but detectable by measurement of extracellular p24 antigen [40].

Gorry et al. Retrovirology 2007 4:66   doi:10.1186/1742-4690-4-66