PMID- 37264071 OWN - NLM STAT- MEDLINE DCOM- 20230605 LR - 20230607 IS - 2399-3642 (Electronic) IS - 2399-3642 (Linking) VI - 6 IP - 1 DP - 2023 Jun 1 TI - Production of recombinant human IgG1 Fc with beneficial N-glycosylation pattern for anti-inflammatory activity using genome-edited chickens. PG - 589 LID - 10.1038/s42003-023-04937-5 [doi] LID - 589 AB - Intravenous immunoglobulin (IVIG) is a plasma-derived polyclonal IgG used for treatment of autoimmune diseases. Studies show that alpha-2,6 sialylation of the Fc improves anti-inflammatory activity. Also, afucosylation of the Fc efficiently blocks FcgammaRIIIA by increasing monovalent affinity to this receptor, which can be beneficial for treatment of refractory immune thrombocytopenia (ITP). Here, we generated genome-edited chickens that synthesize human IgG1 Fc in the liver and secrete alpha-2,6 sialylated and low-fucosylated human IgG1 Fc (rhIgG1 Fc) into serum and egg yolk. Also, rhIgG1 Fc has higher affinity for FcgammaRIIIA than commercial IVIG. Thus, rhIgG1 Fc efficiently inhibits immune complex-mediated FcgammaRIIIA crosslinking and subsequent ADCC response. Furthermore, rhIgG1 Fc exerts anti-inflammatory activity in a passive ITP model, demonstrating chicken liver derived rhIgG1 Fc successfully recapitulated efficacy of IVIG. These results show that genome-edited chickens can be used as a production platform for rhIgG1 Fc with beneficial N-glycosylation pattern for anti-inflammatory activities. CI - (c) 2023. The Author(s). FAU - Park, Jin Se AU - Park JS AD - Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea. AD - Avinnogen Co., Ltd, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea. FAU - Choi, Hee Jung AU - Choi HJ AD - Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea. FAU - Jung, Kyung Min AU - Jung KM AUID- ORCID: 0000-0002-5791-2655 AD - Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea. FAU - Lee, Kyung Youn AU - Lee KY AD - Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea. FAU - Shim, Ji Hyeon AU - Shim JH AD - Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea. FAU - Park, Kyung Je AU - Park KJ AD - Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea. FAU - Kim, Young Min AU - Kim YM AD - Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea. AD - Avinnogen Co., Ltd, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea. FAU - Han, Jae Yong AU - Han JY AUID- ORCID: 0000-0003-3413-3277 AD - Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea. jaehan@snu.ac.kr. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20230601 PL - England TA - Commun Biol JT - Communications biology JID - 101719179 RN - 0 (Immunoglobulin G) RN - 0 (Immunoglobulins, Intravenous) RN - 0 (Anti-Inflammatory Agents) SB - IM MH - Humans MH - Animals MH - *Immunoglobulin G MH - *Immunoglobulins, Intravenous/pharmacology MH - Chickens/metabolism MH - Glycosylation MH - Anti-Inflammatory Agents/pharmacology PMC - PMC10235082 COIS- The authors declare no competing interests. EDAT- 2023/06/02 01:07 MHDA- 2023/06/05 06:42 PMCR- 2023/06/01 CRDT- 2023/06/01 23:21 PHST- 2022/04/28 00:00 [received] PHST- 2023/05/12 00:00 [accepted] PHST- 2023/06/05 06:42 [medline] PHST- 2023/06/02 01:07 [pubmed] PHST- 2023/06/01 23:21 [entrez] PHST- 2023/06/01 00:00 [pmc-release] AID - 10.1038/s42003-023-04937-5 [pii] AID - 4937 [pii] AID - 10.1038/s42003-023-04937-5 [doi] PST - epublish SO - Commun Biol. 2023 Jun 1;6(1):589. doi: 10.1038/s42003-023-04937-5.