Maternal Cold-Reacting Immunoglobulin G Anti-M of MNS Blood Group System Causing Hemolytic Disease of the Fetus

نویسندگان

1 Shenzhen Institute of Transfusion Medicine, Shenzhen Blood Center, Shenzhen, Guangdong, China.

2 Shenzhen Institute of Transfusion Medicine, Shenzhen Blood Center, Shenzhen, Guangdong, China.

3 R&D Division, Shenzhen Ritzcon Biological Technology Co., Ltd., Shenzhen, Guangdong, P.R.China.

4 R&D Division, Shenzhen Ritzcon Biological Technology Co., Ltd., Shenzhen, Guangdong, P.R.China.

5 Shenzhen Institute of Transfusion Medicine, Shenzhen Blood Center, Shenzhen, Guangdong, China.

6 Shenzhen Institute of Transfusion Medicine, Shenzhen Blood Center, Shenzhen, Guangdong, China.

7 Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China.

8 Shenzhen Institute of Transfusion Medicine, Shenzhen Blood Center, Shenzhen, Guangdong, China.

9 R&D Division, Shenzhen Ritzcon Biological Technology Co., Ltd., Shenzhen, Guangdong, P.R.China.

10 Guangdong Key Laboratory for Research and Development of Natural Drugs, Department of Pharmacology, Marine Medicine Research Institute, Guangdong Medical University, Zhanjiang, Guangdong, P.R.China.

11 Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China. R&D Division, Shenzhen Ritzcon Biological Technology Co., Ltd., Shenzhen, Guangdong, P.R.China. Centre for Regenerative Medicine and Health, Hong Kong Institute of Science & Innovation, Chinese Academy of Sciences, Hong Kong SAR, P.R.China.

doi
10.22034/iji.2023.93993.2273
چکیده

Several cases of the hemolytic disease of the fetus and newborn (HDFN) caused by immunoglobulin G (IgG) anti-M antibodies have been reported, in which almost all the HDFN-associated anti-M were warmly reacting. Here we report two cases of severe HDFN associated with cold-reacting IgG anti-M. In both cases, pregnancy was terminated, in weeks 33 and 23 respectively, due to a diagnosis of fetal growth retardation (FGR). To our knowledge, these are the most severe HDFN cases caused by cold-reacting IgG anti-M.