他们的团队在《科学》刊载的另一篇文章中指出,异种共生能刺激脑血管的生长。新的血液能促进神经元的生长,让老龄鼠具有更灵敏的嗅觉。
After linking the GDF11 protein to the rejuvenation of skeletal muscle and the heart, Dr. Wagers and her colleagues studied whether the protein was also responsible for the changes in the brain. They injected GDF11 alone into the mice and found that it spurred the growth of blood vessels and neurons in the brain, although the change was not as large as that from parabiosis.
将GDF11蛋白质与骨骼肌肉和心脏的复苏联系起来以后,韦杰斯和同事还对这种蛋白质是否与脑部变化有关进行了研究。他们对老鼠注射了单一的GDF11,然后发现它促进了脑部血管和神经元的生长,虽然相关变化并不像异种共生那么明显。
"There's no conflict between the two groups, which is heartening," said Dr. Richard M. Ransohoff, director of the Neuroinflammation Research Center at the Cleveland Clinic.
克利夫兰医学中心神经炎症研究中心(Neuroinflammation Research Center at the Cleveland Clinic)负责人理查德·M·兰索霍夫博士(Dr. Richard M. Ransohoff)称,“两个团队的发现没有冲突,这很令人振奋。”
Dr. Ransohoff and others hope the experiments on mice will lead to studies on people to see if the human version of GDF11, or other molecules in the blood of young people, has a similar effect on older adults.
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