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Vascular Development

Vascular Development

There is still controversy over the mechanisms by which normal blood vessels develop.  The Lutty lab has demonstrated that retinal blood vessels develop initially from vascular precursor cells (angioblasts) that exist in retina early in development. 

Our lab has recently identified a factor that may attract these angioblasts to inner retina and may stimulate their assembly into blood vessels.  This assembly of and differentiation or maturation of the precursors is called vasculogenesis. 

In Picture 1, the blood vessels and precursors are stained red with a marker that we found for angioblasts called CD39.  The individual cells outside of the blood vessels are the angioblasts and the endothelial cells in the formed blood vessels continue to express CD39 through life.  Our lab has grown these angioblasts in culture and found that they have the potential to differentiate or change into two different cell types (i.e. angioblasts are multipotent).  The two cell types are the components of normal blood vessels: endothelial cells that line the lumen of the blood vessels and pericytes that are the contractile cell on the outside of the blood vessel.  We have also discovered that the choroidal vasculature develops by hemovasculogenesis: the formation of blood cells (white blood cells and red blood cells) and blood vessel cells from a common precursor, the hemangioblast.


Sanford Greenberg Elected to the American Academy of Arts and Sciences

Dr. Gehlbach Project Selected by Johns Hopkins-Coulter Translational Project Partnership- 06/23/16

Dr. Neil Bressler Speaks at Senate Briefing on Special Diabetes Program- 06/09/16

Dr. Neil Bressler Discusses Blue Light Effects on the Eyes in the Washington Post- 06/02/16

Dr. Arevalo Honored by National Institute of Ophthalmology in Peru- 5/31/16

Dr. Jennifer Thorne Appointed President-elect of American Uveitis Society- 5/17/16

Dr. Ingrid Zimmer-Galler Elected to the ATA College of Fellows- 5/13/16

Dr. Arevalo Launches New Book at ARVO 2016- 5/09/16

Dr. Elia J. Duh is elected to the American Society for Clinical Investigation- 4/28/16

Dr. Maria Valeria Canto Soler Wins BrightFocus Award for Macular Degeneration Research- 4/27/16

Three Wilmer Faculty Voted Most Influential in Field of Ophthalmology- 4/22/2016

Dr. Pradeep Ramulu Wins Pisart Award for Significant Achievement in Vision Science Research- 4/21/16

Dr. Eghrari Receives Alcon Early Career Research Award- 4/13/16

Dr. Quigley Honored by American Glaucoma Society- 4/11/16

Dr. Ian Pitha Awarded Grants for Glaucoma Research- 4/11/16