1 week | 12 weeks | |||
---|---|---|---|---|
Controls | Early NAFLD | Controls | Late NAFLD | |
Basic characteristics | n = 8 | n = 8 | n = 8 | n = 8 |
Body wt (g) | 423 (399–436) | 428 (386–444) | 482 (426–551) | 533 (452–620) |
ALT (U/L) | 35 (30–49) | 62 (39–80)** | 37 (34–55) | 76 (51–110)** |
Albumin (g/L) | 15 (12–16) | 15 (14–16) | 14 (13–15) | 13 (11–15)* |
Bilirubin (µmol/L) | < 2 | < 2 | < 2 | < 2 |
Coagulation factors II, VII, X (PP) | 0.31 (0.27–0.34) | 0.31 (0.29–0.33) | 0.31 (0.29–0.32) | 0.33 (0.30–0.39) |
Cholesterol (mmol/L) | 1.6 (1.5–2.2) | 3.1 (2.6–3.6)*** | 1.7 (1.5–2.4) | 3.5 (2.7–5.1)*** |
Triglycerides (mmol/L) | 1.4 (0.6–2.8) | 1.9 (0.7–2.6) | 1.2 (0.7–1.8) | 0.9 (0.5–1.6) |
Blood glucose (mmol/L) | 8.2 (6.5–11.3) | 7.7 (6.0–9.8) | 8.8 (7.4–14.5) | 8.2 (7.1–9.3) |
Insulin (ng/mL) | 0.6 (0.2–1.2) | 0.8 (0.4–2.7) | 1.6 (0.9–2.8) | 0.9 (0.2–2.5) |
Liver morphometrics | n = 8 | n = 8 | n = 8 | n = 8 |
Liver wt (g) | 15.1 (14.2–16.3) | 18.7 (14.8–19.6)** | 15.6 (13.7–16.5) | 29.6 (20.6–34.6)*** |
Liver volume (mL) | 14.7 (13.9–15.4) | 19.1 (14.2–20.2) | 14.5 (13.4–17.2) | 27.1 (21.5–31.7)* |
Liver fat fraction (% volume) | 5.2 (4.9–5.3) | 18.3 (15.5–21.7)*** | 5.1 (4.7–5.5) | 31.7 (27.4–41.4)*** |
Fat-corrected liver wt (g) | 14.4 (13.5–15.5) | 15.4 (12.8–16.0)* | 14.9 (13.1–15.8) | 21.1 (15.6–22.3)** |
Fat-corrected liver wt/body wt (%) | 3.5 (3.1–3.8) | 3.6 (3.3–3.8) | 3.1 (2.8–3.2) | 3.6 (3.4–4.2)*** |
Liver histology | n = 8 | n = 8 | n = 8 | n = 8 |
Steatosisa, n0 / 3 | 8 / 0 | 0 / 8*** | 8 / 0 | 0 / 8*** |
Inflammationa, n1 / 2 | 1 / 0 | 3 / 0 | 0 / 0 | 6 / 0** |
Ballooninga, n1 / 2 | 0 / 0 | 0 / 0 | 0 / 0 | 2 / 1 |
Fibrosis scoreb, n1a / 1b | 0 / 0 | 0 / 0 | 0 / 0 | 2 / 1 |
NAS score | 0 (0–1) | 3 (3–4)*** | 0 | 4 (3–6)*** |
18 F-FDGal PET-measurements | n = 4 | n = 4 | n = 4 | n = 4 |
SUV, right median lobe | 11.9 (11.3–12.6) | 9.8 (9.2–10.4)* | 13.1 (10.8–13.7) | 7.4 (6.3–9.3)* |
Fat-corrected SUV | 12.6 (12.0–13.3) | 12.0 (11.4–12.7) | 13.8 (11.3–14.4) | 11.2 (8.9–12.8) |
COVSUV (%) | 6.4 (5.3–7.8) | 7.2 (6.2–8.2) | 6.8 (5.0–7.2) | 8.7 (7.3–9.8)* |
Total accumulated (%ID) | 34 (33–35) | 35 (30–37) | 34 (27–37) | 35 (28–40) |
18 F-FDGal Autoradiography | n = 8 | n = 8 | n = 8 | n = 8 |
Radioactivity concentration (%ID/mL) | 1.12 (0.95–1.38) | 0.91 (0.72–1.25) | 1.07 (0.81–1.29) | 0.62 (0.52–1.00)** |
Fat-corrected radioactivity conc. (%ID/mL) | 1.19 (1.00–1.45) | 1.14 (0.85–1.48) | 1.13 (0.86–1.36) | 0.94 (0.76–1.38) |
COV (%) | 24 (22–27) | 26 (24–33) | 30 (17–33) | 33 (24–46)* |