Rie Seyama, Masashi Nishikawa, Yuri Uchiyama, Keisuke Hamada, Yuka Yamamoto, Masahiro Takeda, Takanori Ochi, Monami Kishi, Toshifumi Suzuki, Kohei Hamanaka, Atsushi Fujita, Naomi Tsuchida, Eriko Koshimizu, Kazuharu Misawa, Satoko Miyatake, Takeshi Mizuguchi, Shintaro Makino, Takashi Yao, Hidenori Ito, Atsuo Itakura, Kazuhiro Ogata, Koh-Ichi Nagata, Naomichi Matsumoto
RAC1 at 7p22.1 encodes a RAC family small GTPase that regulates actin cytoskeleton organization and intracellular signaling pathways. Pathogenic RAC1 variants result in developmental delay and multiple anomalies. Here, exome sequencing identified a rare de novo RAC1 variant [NM_018890.4:c.118T > C p.(Tyr40His)] in a male patient. Fetal ultrasonography indicated the patient to have multiple anomalies, including persistent left superior vena cava, total anomalous pulmonary venous return, esophageal atresia, scoliosis, and right-hand polydactyly...
June 16, 2023: Scientific Reports