Hauv kev tshawb fawb hauv vivo tsis ntev los no ntawm Zebrafish, cov kws tshawb fawb tau ua tiav qhov kev tsim tawm ntawm cov disc hauv lub degenerated disc los ntawm kev ua kom muaj qhov endogenous Ccn2a-FGFR1-SHH signaling cascade. Qhov no qhia ...