Mutant Sas-7 Protein Alters Cell Division (IMAGE) University of Oregon Caption In the presence of the mutant protein sas-7 a monopole mitotic spindle results, leading to a failure of cell division, report researchers at the University of Oregon. Resulting conditions can be seen in human cancers, microcephaly and ciliopathies. Credit Courtesy of Kenji Sugioka Usage Restrictions Use credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.