The CuRe Trial is exploring whether stem cells can add regenerative power to surgery, potentially improving mobility and quality of life.
“This is a major step toward a new kind of fetal therapy, one that doesn’t just repair but potentially helps heal and protect the developing spinal cord,” said Aijun Wang, co inventor of the placental-derived stem cell treatment technology and the study’s co-principal investigator [ . . . ].
That doesn't really explain anything biologically. Just vaguely says "potentially helps heal and protect"