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Clinical Progression and Cytokine Profiles of Middle East Respiratory Syndrome Coronavirus Infection.


ABSTRACT: Clinical progression over time and cytokine profiles have not been well defined in patients with Middle East respiratory syndrome coronavirus (MERS-CoV) infection. We included 17 patients with laboratory-confirmed MERS-CoV during the 2015 outbreak in Korea. Clinical and laboratory parameters were collected prospectively. Serum cytokine and chemokine levels in serial serum samples were measured using enzyme-linked immunosorbent assay. All patients presented with fever. The median time to defervescence was 18 days. Nine patients required oxygen supplementation and classified into severe group. In the severe group, chest infiltrates suddenly began to worsen around day 7 of illness, and dyspnea developed at the end of the first week and became apparent in the second week. Median time from symptom onset to oxygen supplementation was 8 days. The severe group had higher neutrophil counts during week 1 than the mild group (4,500 vs. 2,200/?L, P = 0.026). In the second week of illness, the severe group had higher serum levels of IL-6 (54 vs. 4 pg/mL, P = 0.006) and CXCL-10 (2,642 vs. 382 pg/mL, P < 0.001). IFN-? response was not observed in mild cases. Our data shows that clinical condition may suddenly deteriorate around 7 days of illness and the serum levels of IL-6 and CXCL-10 was significantly elevated in MERS-CoV patients who developed severe diseases.

SUBMITTER: Kim ES 

PROVIDER: S-EPMC5056202 | biostudies-literature | 2016 Nov

REPOSITORIES: biostudies-literature

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Clinical Progression and Cytokine Profiles of Middle East Respiratory Syndrome Coronavirus Infection.

Kim Eu Suk ES   Choe Pyoeng Gyun PG   Park Wan Beom WB   Oh Hong Sang HS   Kim Eun Jung EJ   Nam Eun Young EY   Na Sun Hee SH   Kim Moonsuk M   Song Kyoung Ho KH   Bang Ji Hwan JH   Park Sang Won SW   Kim Hong Bin HB   Kim Nam Joong NJ   Oh Myoung Don MD  

Journal of Korean medical science 20161101 11


Clinical progression over time and cytokine profiles have not been well defined in patients with Middle East respiratory syndrome coronavirus (MERS-CoV) infection. We included 17 patients with laboratory-confirmed MERS-CoV during the 2015 outbreak in Korea. Clinical and laboratory parameters were collected prospectively. Serum cytokine and chemokine levels in serial serum samples were measured using enzyme-linked immunosorbent assay. All patients presented with fever. The median time to deferves  ...[more]

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