Our lab’s research goals have been to investigate the developmental and nutritional regulation of red blood cell production. This research is important because anemia complicates the clinical care of nearly 30,000 premature neonates in the US annually and effective strategies for combating anemia must be developed. Ill premature neonates develop severe anemia, requiring multiple red blood cell transfusions. Erythropoietin, the primary endocrine hormone stimulating red blood cell production, is deficient in premature neonates. The drug, erythropoietin, although effective in adult patients, is less so in premature neonates. Our research seeks to determine why erythropoietin therapy is so ineffective in premature infants.
Our research approach is three-pronged:
- First, we are investigating the interactions of iron and erythropoietin in at-risk neonatal and infant erythropoiesis. Delivery of sufficient iron is critical to red blood cell production. Unlike other patient populations, in early infancy, no marker of poor iron delivery exists and we are examining several options. We are studying the biomarkers to identify those with low iron status.
- Second, we are studying the non-erythropoietic effects of iron deficiency because iron is critical to all organ development. We are studying both brain and kidney development.
- Third, we are investigating the non-traditional roles of erythropoietin. Erythropoietin is an iron-regulated protein, including in early development. In early development, we are exploring whether erythropoietin’s erythropoietic role is relatively less important than its other roles. Because erythropoietin exerts local effects, we are examining the effects of erythropoietin in other tissues (e.g. intestine and brain).
1. Ascierto PA, Fox B, Urba W, Anderson AC, Atkins MB, Borden EC, Brahmer J, Butterfield LH, Cesano A, Chen D, de Gruijl T, Dillman RO, Drake CG, Emens LA, Gajewski TF, Gulley JL, Stephen …June 4, 2020
The Pediatrics Research Week 2020 Abstract Book is now available. University of Wisconsin Department of Pediatrics faculty, staff, fellows and residents submitted over 50 research abstracts for the virtual conference, which is taking place May 26-29, 2020. …May 21, 2020
In response to COVID-19, the Department of Pediatrics’ annual Research Week will offer alternative programming to spotlight the scholarly work from its residents, fellows, faculty and staff. Through a mix of livestreamed lectures and interactive …April 28, 2020
Coller RJ, Berry JG, Kuo DZ, Kuhlthau K, Chung PJ, Perrin JM, Hoover CG,Warner G, Shelton C, Thompson LR, Garrity B, Stille CJ. Health System Research Priorities for Children and Youth With Special Health Care …April 16, 2020
The following scholarly articles were published by Department of Pediatrics faculty and staff during February 2020: Affenzeller S, Wolkenstein K, Frauendorf H, Jackson DJ. Challenging the concept that eumelanin is the polymorphic brown banded pigment …March 5, 2020
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