See for further information on the study in which the immune reaction of SNTC stem cells of mice was observed: 

Deuse, Tobias / Wang, Dong / Stubbendorff,  Mandy / Itagaki, Ryo / Grabosch, Antje / Greaves, Laura C. / Alawi, Malik / Grünewald, Anne / Hu, Xiaomeng / Hua, Xiaoqin / Velden, Joachim / Reichenspurner, Hermann / Robbins, Robert C. / Jaenisch, Rudolf / Weissman, Irving L. / Schrepfer, Sonja (2015): SCNT-Derived ESCs with Mismatched Mitochondria Trigger an Immune Response in Allogeneic Hosts. doi: 10.1016/j.stem.2014.11.003  Online Version

See for further information on the current state of research:

Fu, Xuemei / Li, Wenjuan / Liu, Xin / Xu, Yang (2017): The Immunogenicity and Immune Tolerance of Pluripotent STem Cell Derivatives. In: Frontiers in Immunology 8: no pag. doi: 10.3389/fimmu.2017.00645 Online Version 

Zhu, Wenliang / Li, Mengqi / Wu, Yihui / Hu, Baoyang (2018): Precise immune tolerance for hPSC derivatives in clinical application. In: Cellular Immunology 326, 15-23. doi: 10.1016/j.cellimm.2017.08.005 Online Version 

Deuse, Tobias / Hu, Xiaomeng / Agbor-Enoh, Sean / Koch, Martina / Spitzer, Matthew H. / Gravina, Alessia / Alawi, Malik / Marishta, Argit / Peters, Bjoern / Kosaloglu-Yalcin, Zeynep / Yang, Yanqin / Rajalingam, Raja / Wang, Dong / Nashan, Bjoern / Kiefmann, Rainer / Reichenspurner, Hermann / Valantine, Hannah / Weissman, Irving L. / Schrepfer, Sonja (2019): De novo mutations in mitochondrial DNA of iPSCs produce immunogenic neoepitopes in mice and humans. In: Nature Biotechnology 37, 1137-1144. doi: 10.1038/s41587-019-0227-7 Online Version

Gouveia, Chantel / Huyser, Carin / Egli, Dieter / Pepper, Michael S. (2020): Lessons Learned from Somatic Cell Nuclear Transfer. In: International Journal of Molecular Sciences 21 (7), 2314. doi: 10.3390/ijms21072314 Online Version