Serum IL-10 level in Kawasaki disease(KD) was tested. In the KD patients' sera during the acute phase, the levels of IL-10 were markedly elevated (122.0 +/- 39.1 pg/ml) compared to 3.7 +/- 1.7 pg/ml in the control subjects (p < 0.001). The serum IL-10 levels remained elevated in the subacute phase (16. 7 +/- 9.7 pg/ml, p < 0.001) and were restored to the normal levels(7.9 +/- 3.9 pg/ml) during the convalescent phase. In the patients with acute febrile disease, the serum IL-10 level increased significantly (34.4 +/- 14.1 pg/ml, p < 0.001) compared to that of the age-matched control subjects, but were not as high as in acute phase of KD(p < 0.005). This increase in serum IL-10 levels in KD may contribute to the up-regulation of humoral immunity and to the down-regulation of acute inflammation due to an increase in proinflammatory cytokines.
This paper proposes a vehicular communication system that can achieve multi-Gbps data rate transmission for train and car applications. Employing a millimeter-wave frequency band around 25 GHz, the proposed system provides mobile backhaul connectivity for vehicle user equipments (UEs). In order to support a very high data rate with such a high carrier frequency while guaranteeing sufficient robustness against high mobility-related behaviors such as fast channel variation and unstable handover, we employ a relaying network architecture consisting of a backhaul link to a vehicle UE and an in-vehicle access link. Based on that, we provide a set of fundamental design elements including numerology, frame structure, the reference signal, multi-antenna scheme, and handover. We then validate the proposed vehicular communication system by implementing an experimental testbed consisting of baseband modem, RF front end, an array antenna units, and by performing field trials in an actual subway tunnel and urban road environments. The experimental validation results reveal that providing multi-Gbps backhaul transmission is possible and worthwhile for both train and car scenarios. INDEX TERMS 5G, high mobility, mmWave, testbed, vehicular communications.
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