This publication contains research data acquired by Sayantan Nandi within the framework of PhD thesis (Nandi, 2022) HRAS GTPase, a novel regulator of bone homeostasis: understanding the cellular base of bone loss in Costello Syndrome, published in 2022 at the Ulm University and available under CC BY 4.0 open access license (http://dx.doi.org/10.18725/OPARU-44065). The gene discussed is HRAS; the disease is Costello syndrome.