Multiple Sclerosis: Re-expression of a developmental pathway

Multiple sclerosis (MS) is an autoimmune disease that affects a part of the body known as the central nervous system or CNS. The CNS consists mainly of the brain and spinal cord. Surrounding and protecting the CNS nerve fibers is a tissue known as myelin, which protects and quickens the nerve impulses sent along those fibers. This myelin is created by glial cells known as oligodendrocytes which reside on the axon itself. In MS, the …

…