The bacteria that we found are disrupted following stroke that also correlate with alpha-1-antitrypsin include increased Clostridium bolteae and decreased Adlercreutzia equolifaciens, Anaerostipes, Roseburia, Ruminococcus, Blautia obeum, Agathobaculum butyriciproducens, and Lawsonibacter asaccharolyticus. This evidence concerns the gene SERPINA1 and Stroke.