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31.
Chan VS Chan KY Chen Y Poon LL Cheung AN Zheng B Chan KH Mak W Ngan HY Xu X Screaton G Tam PK Austyn JM Chan LC Yip SP Peiris M Khoo US Lin CL 《Nature genetics》2006,38(1):38-46
Severe acute respiratory syndrome (SARS) is caused by infection of a previously undescribed coronavirus (CoV). L-SIGN, encoded by CLEC4M (also known as CD209L), is a SARS-CoV binding receptor that has polymorphism in its extracellular neck region encoded by the tandem repeat domain in exon 4. Our genetic risk association study shows that individuals homozygous for CLEC4M tandem repeats are less susceptible to SARS infection. L-SIGN is expressed in both non-SARS and SARS-CoV-infected lung. Compared with cells heterozygous for L-SIGN, cells homozygous for L-SIGN show higher binding capacity for SARS-CoV, higher proteasome-dependent viral degradation and a lower capacity for trans infection. Thus, homozygosity for L-SIGN plays a protective role during SARS infection. 相似文献
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Summary Labelled uridine uptake was studied in the control and 6-hydroxydopamine-treated retina by autoradiography. Decrease labelled uridine uptake was detected in the 6-hydroxydopamine-treated retinas. 相似文献