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. 2014 Aug 6;9(8):e104298. doi: 10.1371/journal.pone.0104298

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].

A

versus control P<0.05;

B

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.