CRISPR/Cas9‐mediated gene knockout of Sj16 in Schistosoma japonicum eggs upregulates the host‐to‐egg immune response. Issue 11 (23rd October 2022)

• Record Type: Journal Article
• Authors: Zhang, Lichao; Wang, Lifu; Xiang, Suoyu; Hu, Yunyi; Zhao, Siyu; Liao, Yao; Zhu, Zifeng; Wu, Xiaoying
• Is Part Of: FASEB journal. Volume 36:Issue 11(2022)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2022-10-23
• Subjects: CRISPR/Cas9 -- IL‐1β -- Schistosoma japonicum -- Sj16 -- T‐cell immunity; Biology -- Periodicals; Biology, Experimental -- Periodicals; 570
• DOI: 10.1096/fj.202200600RR
• Languages: English
• ISSNs: 0892-6638

Abstract

Abstract: Schistosomiasis is an important, neglected tropical disease. Schistosoma japonicum can evade host attacks by regulating the host's immunity, causing continuous infection. However, interactions between the host's immune system and S. japonicum are unclear. Our previous research found that the Sj16 protein isolated from S. japonicum has an anti‐inflammatory effect in the host. However, the role of Sj16 in the regulation of host immunity in S. japonicum infection is not clear. Here, we applied the CRISPR/Cas9 technique to knockout Sj16 in S. japonicum eggs and investigated the effect of Sj16 in regulating host immunity. We found egg viability decreased after Sj16 knockout. In addition, we found granulomatous inflammation increased, the T‐cell immune response enhanced and the immune microenvironment changed in mice model injected with Sj16 ‐knockout eggs by tail vein. These findings suggested that S. japonicum could regulate host immunity through Sj16 to evade the host immune attack and cause continuous infection. In addition, we confirmed the application of CRISPR/Cas9‐mediated gene reprogramming for functional genomics in S. japonicum.