Adult polyglucosan body disease body disease do not have identified mutations in the "GBE1" gene. In these individuals, the cause of the disease is unknown. Along with evaluation of the symptoms and a neurological examination, a diagnosis can be made based on genetic testing. Whether or not a person is making sufficient amounts of functional glycogen branching enzyme can be determined by taking a skin biopsy and testing for activity of the enzyme. Examination of tissue biopsied from the sural nerve under a microscope can reveal the presence of polyglucosan bodies. There will also be white matter changes visible in a magnetic resonance imaging
Jennie Ritter Jennie Ritter Jennifer Darlene Ritter (born June 1, 1984) is an American retired softball pitcher and sports commentator. Originally from Dexter, Michigan, Ritter played college softball at the University of Michigan from 2003 to 2006 and was part of the 2005 Women's College World Series championship team. In addition to numerous other records, she is the all-time career leader in strikeout ratio for both the Wolverines and the Big Ten Conference. Ritter graduated from Dexter High School in Dexter, Michigan in 2002. At the University of Michigan, Ritter played at pitcher for the Michigan Wolverines softball team under head coach