Table 4 Bacterial translocation parameters and immune characteristics of patients with chronic infection, untreated at baseline, analyzed after 12 months of antiretroviral therapy, and of chronically treated HIV patients with undetectable HIV load at baseline.

From: Antiretroviral therapy partially improves the abnormalities of dendritic cells and lymphoid and myeloid regulatory populations in recently infected HIV patients

 

Recent HIV-infected patients with detectable HIV load at baseline, after 12 months of antiretroviral therapy (n = 9)

Chronic HIV-infected patients with detectable HIV load at baseline, after 12 months of antiretroviral therapy (n = 9)

Chronic HIV-infected patients with controlled HIV load at baseline (n = 25)

Presence of bacterial DNA in peripheral blood (n, %)

9 (100)

9 (100)

25 (100)

LBP (ng/ml)

4·9 (3·8–6·6)

5·8 (5·5–8·3)

6·0 (4·9–7·1)

IL-6 (pg/ml)

4·5 (4·1–6·2)

5·7 (5·2–5·8)

5·4 (4·8–8·4)

sCD14 (ng/ml)

2142 (1942–2956)

3582 (2607–3694)

2902 (2446–3344)

T CD4+ DR+ cells (% of CD4+ lymphocytes)

10 (6–12)

13 (9–22)

13 (9–17)

T CD8+ DR+ cells (% of CD4+ lymphocytes)

11 (7–13)

16 (8–32)

12 (9–17)

mDC/mm3

168 (112–340)

95 (65–125)*

92 (76–143)

mDC (percentage of leukocytes)

3·2 (2·4–4·2)

3·6 (2·3–4·4)

1·7 (1·5–1·8)‡‡‡, §§§

mDC expressing IL-12 (percentage of mDC)

99 (95–100)

85 (26–99)

1·1 (0·6 – 1·8)‡‡‡, §§

pDC/mm3

223 (168–387)

102 (70–109)**

132 (107–154)

pDC (percentage of leukocytes)

4·8 (3·4–5·6)

3·9 (2·0–6·0)

2·2 (2·1–2·4)‡‡, §

pDC expressing IFN-α (percentage of mDC)

64 (33–95)

83 (50–95)

2 (1–2)‡‡, §§

Th1/mm3

162 (130–878)

300 (75–323)

252 (125–432)

Th1 (percentage of CD4+ T cells)

24 (20–69)

52 (30–65)

47 (32–63)

Th2/mm3

250 (131–699)

340 (88–368)

361 (139–473)

Th2 (percentage of CD4+ T cells)

33 (20–55)

53 (32–72)

54 (34–77)

Treg/mm3

79 (56–107)

68 (12–81)

57 (49–94)

Treg (percentage of CD4+ T cells)

9 (8–19)

8 (4–13)

10 (4–22)

Treg expressing TGF-β1 (percentage of Treg)

12 (9–23)

8 (5–51)

77 (44–92)‡‡, §§

Treg expressing IL-10 (percentage of Treg)

15 (10–25)

10 (5–52)

53 (47–61)‡, §

MSDC/mm3

2 (1–11)

5 (1–13)

3 (1–6)

MSDC (percentage of leukocytes)

11·7 (8·0–39·6)

5·2 (0·7–14·6)

0·3 (0·1–1·0)‡‡, §

MSDC expressing IL-10 (percentage of MSDC)

56 (7–74)

10 (6–54)*

6 (4–8)‡‡, §

  1. Abbreviations: LBP: Lipopolysaccharide-binding protein; IL-6: interleukin 6; mDC: Myeloid dendritic cells; pDC: Plasmocytoid dendritic cells; IL-12: interleukin 12; IFN-α: interpheron alpha. Th1: T helper 1. Th2: T helper 2. Treg: T regulatory cells; TGF-β1: Transforming growth factor beta 1; IL-10: interleukin 10; MSDC: Myeloid-derived suppressor cells.
  2. Data are provided as absolute number (percentage) or as median (interquartile range).
  3. Chronic HIV-infected patients, detectable HIV load at baseline vs recent HIV-infected: *p < 0·05, **p < 0·01, ***p < 0·001.
  4. Chronic HIV-infected patients, detectable HIV load at baseline vs recent HIV-infected: p < 0·05, ‡‡p < 0·01, ‡‡‡p < 0·001.
  5. Chronic HIV-infected, undetectable HIV load at baseline vs chronic HIV-infected patients, detectable HIV load at baseline: §p < 0·05, §§p < 0·01, §§§p < 0·001.