Endocrine Abstracts

Introduction: Stiff person syndrome (SPS) is a rare neurological disease resulting in stiffness and spasm of muscles and, as a consequence, severely impaired ambulation. Pathophysiology of the disease is based on an increased muscle activity caused by the decreased level of the inhibitory neurotransmitter gamma-aminobutyric acid (GABA) due to an autoimmune attack against glutamic acid decarboxylase (GAD); enzyme which is also one of the main autoantigens of type 1 diabetes mel...