我是来自北京生命科学研究所陈婷老师实验室的谢煜骅。我的研究主要关注在衰老、雄秃和遗传性少毛症中,毛干变小通常与毛囊干细胞丢失有关。然而,在体内导致这种干细胞损耗的机制仍然是未知的。是否毛干直径减小,或所谓的毛干缩小化,在毛囊干细胞丢失中发挥作用尚不清楚。我们发现毛干的脱落或直径的减少会导致物理微环境大小的缩小,从而导致在衰老过程和疾病情况下毛囊干细胞收到机械挤压和凋亡性的丢失。毛干作为一个微环境组成部分,将所有这些复杂的调控信息直接输送给毛囊干细胞。在衰老和渐进性低毛症的情况下,来自持续毛干缩小的负反馈,反映的是毛干产生过程中的持续异常信号。在这种情况下,毛囊干细胞将丢失,并因此而被耗尽。
后续我的研究将专注于皮肤疾病的致病机制及相关治疗。
导师评语:
Yuhua is relentless, resourceful and driven. In the course of his PhD training, we fought, argued, and felt hopeless at times, but he didn't give up or try to take any easy way out. Now that he has finally come out the other side of the tunnel and realized he is actually a pretty good scientist, he has dived right back into the unknown.
