International Journal of Molecular Sciences Article Myelination in Multiple Sclerosis Lesions Is Associated with Regulation of Bone Morphogenetic Protein 4 and Its Antagonist Noggin Kim Harnisch 1, Sarah Teuber-Hanselmann 1, Nicole Macha 1, Fabian Mairinger 2, Lena Fritsche 1, Daniel Soub 1, Edgar...