Table 2. Functional characteristics of intracellular processes in CD4+ cells following PHA activation in RA patients before and during therapy.
Cytoplasmic Ca2+ | Reactive oxygen species generation | Nitric oxide production | Mitochondrial Ca2+ | ||||||
AUC (U) | Max (rpv) | tmax (s) | AUC (U) | Max (rpv) | tmax (s) | AUC (U) | AUC (U) | ||
Control (n = 9) | 89.06 [62.60–131.5] | 1.211 [1.149–1.326] | 444.8[192.3–594.4] | 75.43[68.01–88.80] | 1.239[1.217–1.263] | 594.5[594.3–595.3] | 5.501[−6.919–35.98] | 64.18[42.85–97.89] | |
Naïve RA (n = 12) | Baseline (without therapy) | 90.54 [73.45–206.5] | 1.221 [1.166–1.581] | 458.9[172.6–594.5] | 74.36[50.26–90.26] | 1.245[1.178–1.308] | 594.5[594.0–595.2] | 34.11[−0.103–76.15] | 63.03[33.70–97.45] |
Week 4, after medium-dose GCS therapy | 44.55A.B [21.11–74.37] | 1.127A [1.068–1.201] | 234.2[209.0–594.1] | 48.47A.B[36.15–79.09] | 1.172[1.145–1.237] | 594.7[594.3–595.4] | −9.670[−11.43–10.73] | 40.11[25.71–58.89] | |
Week 8, after low-dose GCS and MTX therapy | 60.67 [12.22–111.6] | 1.232 [1.046–1.295] | 306.5[289.5–594.1] | 49.75A[45.87–54.55] | 1.170A[1.165–1.179] | 594.6[594.5–594.8] | 3.180[−12.39–11.74] | 55.83[19.47–72.22] | |
Active RA with IFX therapy (n = 7) | Baseline (on LF and MTX therapy) | 145.1A [126.8–207.4] | 1.374A [1.315–1.510] | 594.1[342.8–594.6] | 65.04[53.47–86.19] | 1.223[1.170–1.258] | 594.6[594.4–595.2] | 24.62[−7.701–95.59] | 51.86[44.98–81.62] |
Week 4 of IFX and MTX therapy | 96.97 [4.403–162.7] | 1.240 [1.032–1.352] | 594.5[276.2–594.6] | 39.92A.B[33.42–67.93] | 1.146A[1.141–1.230] | 594.4[593.7–595.2] | 19.82[−14.59–30.06] | 83.87[51.44–166.5] | |
Week 8 of IFX and MTX therapy | 115.9 [59.33–141.1] | 1.328 [1.242–1.347] | 593.9[288.0–594.9] | 56.16A[45.14–71.85] | 1.186A[1.167–1.220] | 593.6[593.1–595.5] | −2.549[−16.00–25.92] | 67.37[42.57–118.9] | |
Active RA with ETA therapy (n = 7) | Baseline (on LF and MTX therapy) | 141.2A [109.1–235.6] | 1.319A [1.271–1.535] | 372.0[216.7–593.5] | 94.55A[81.39–111.0] | 1.293[1.242–1.372] | 594.9[594.2–595.6] | −0.087[−12.70–22.17] | 70.62[59.08–128.8] |
Week 4 of ETA and MTX therapy | 125.7 [64.09–159.1] | 1.304 [1.147–1.396] | 383.8[246.1–594.1] | 73.49B[59.69–81.87] | 1.235B[1.188–1.275] | 594.8[594.1–595.3] | 21.72[−4.121–87.42] | 50.93[34.75–82.80] | |
Week 8 of ETA and MTX therapy | 92.11 [49.82–222.8] | 1.231 [1.182–1.491] | 312.5[174.3–593.9] | 72.37[49.84–105.9] | 1.226[1.163–1.300] | 593.9[593.7–594.8] | 8.466[−8.267–62.04] | 77.45[26.15–94.89] | |
Active RA with ADA therapy (n = 8) | Baseline (on LF and MTX therapy) | 144.4A [128.0–199.8] | 1.399A [1.320–1.484] | 557.9[217.8–594.4] | 81.89[69.52–106.8] | 1.258[1.220–1.343] | 594.5[594.0–594.9] | 15.86[1.704–116.9] | 77.94[66.09–90.10] |
Week 4 of ADA and MTX therapy | 93.91 [77.45–157.3] | 1.227 [1.188–1.347] | 497.4[256.4–594.6] | 63.21B[34.48–77.15] | 1.212[1.155–1.240] | 594.7[594.2–595.5] | 25.87[−6.588–99.43] | 66.84[41.83–92.19] | |
Week 8 of ADA and MTX therapy | 107.6 [50.18–158.5] | 1.262 [1.146–1.364] | 432.4[226.6–594.5] | 73.95[61.69–78.82] | 1.230[1.211–1.241] | 594.2[593.6–594.9] | 60.43[26.93–133.0] | 71.77[62.20–95.48] |
Data are expressed as median [interquartile range].
versus control P<0.05;
versus baseline P<0.05.
AUC = area under the curve; Max = maximum value; tmax = time to reach maximum value; rpv = relative parameter value.
GCS = glucocorticosteroid; MTX = methotrexate; LF = leflunomide; IFX = infliximab; ETA = etanercept; ADA = adalimumab; RA = rheumatoid arthritis.