R. Ellen Magenis

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R. Ellen Magenis (1925- ) is a distinguished American pediatrician, medical geneticist and cytogeneticist.

She was born in Gary, Indiana and received her BA in zoology from Indiana University in Bloomington, Indiana in 1948 and her MD degree from the Indiana University School of Medicine in Indianapolis in 1952. She took a number of years off to raise a large family and then returned to work in 1965-66 with Frederick Hecht in pediatrics and medical genetics at the University of Oregon Medical School, now called the Oregon Health Sciences University (OHSU), in Portland where Dr. Magenis subsequently completed her residency training in Pediatrics and then did a postdoctoral fellowship in Medical Genetics.

Magenis's first major research project involved a heritable fragile site on the long (q) arm of chromosome 16. She traced this 16q fragile site through a multigenerational family and, together with Hecht and Everett Lovrien, she linked the 16q fragile site to the gene for haptoglobin. The mapping of haptoglobin to 16q was the second instance in which a human gene was mapped to a specific autosome (non-sex chromosome), presaging the human genome project.

Magenis joined the faculty at OHSU as an Assistant Professor, rising to be Professor of Pediatrics and of Molecular and Medical Genetics. She is the director of the Cytogenetic Laboratory and Chromosome Clinic at the Child Development and Rehabilitation Center at OHSU. Her special interest continues to be in human chromosome mapping.

Ellen Magenis is also associated with the Smith-Magenis syndrome, a condition she and Ann C. M. Smith described in 1986 that is due to an abnormality in the short (p) arm of chromosome 17 and is sometimes called the 17p- syndrome.

External links

• R. Ellen Magenis homepage] at the Oregon Health Sciences University
• Heritable Fragile Site on Chromosome 16: Probable Localization of Haptoglobin Locus in Man by R. Ellen Magenis, Frederick Hecht, Everett W. Lovrien, published in the journal Science 1970: vol. 170, pp.85-87