本帖最后由 细胞海洋 于 2013-9-22 11:59 编辑 7 K ?& m. n+ q- b; a, P
* |: a7 s( O0 `& ]9 D+ \) z20 September 2013 ' J9 }6 ?* a$ u- u8 u2 }[attach]55673[/attach] 6 ~, x, D$ v* ^" F9 FCOVER Immunostained fluorescence microscopy image of a biomarker of endogenous withdrawal (phosphorylated extracellular regulated kinase, red) that increases in mouse spinal cord neurons (green) during opioid receptor blockade (image width: 250 micrometers). Inflammation or injury to the skin causes μ-opioid receptors to become constitutively active, which leads to long-term relief from chronic pain, but at the expense of endogenous opioid dependence. See page 1394. Image: Suzanne Doolen, Greg Corder, and Brad Taylor/University of Kentucky & n2 `7 C( h4 P' I) ~4 Z % n( Z7 X$ i5 [. j, K' L; y. E) s: K: O5 ^. _! ~; [8 J e
7 z! H3 K* O' L* `6 _" m- n 作者: 461650833 时间: 2013-9-20 22:58