Jennifer Turi, MD

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Services

• Emergency Services

Department / Division:
Pediatrics / Critical Care Medicine

Address:
DUMC 3046
Durham, NC 27710

Appointment Telephone:
(919) 681-5560

Office Telephone:
(919) 681-5560

Fax Telephone:
(919) 681-8359

• M.D., University of Massachusetts Medical School, 1995

• Pediatrics, University of Massachusetts Medical Center, 1995-98

• Pediatric Critical Care, Duke University Medical Center, North Carolina, 1998-2001

Clinical Interests:
Pediatric critical care medicine and acute lung injury

Research Interests:
    Iron concentrations are elevated in the airways of patients with inflammatory lung diseases such as cystic fibrosis and ARDS.  The presence of iron in the airway catalyzes the production of highly reactive oxygen species (ROS) that cause cellular injury and trigger oxidant-mediated intracellular signaling.  To limit oxidative stress, iron acquisition and its distribution must be tightly regulated.  Airway epithelial cells normally take up iron and sequester it within ferritin to protect the lung’s extracellular milieu; however, many of these mechanisms remain unclear.  The goals of our work are to more clearly define mechanisms of cellular iron transport in airway epithelial cells and to determine the role of disrupted iron homeostasis in the pathogenesis of inflammatory lung disease.

Representative Publications:
Turi JL, Piantadosi CA, Stonehuerner JD, Ghio AJ. Iron accumulation in bronchial epithelial cells is dependent on concurrent sodium transport. Biometals. 2008 May 16. (2008) Abstract

Ghio AJ, Turi JL, Madden MC, Dailey LA, Richards JD, Stonehuerner JG, Morgan DL, Singleton S, Garrick LM, Garrick MD. Lung injury after ozone exposure is iron dependent. Am J Physiol Lung Cell Mol Physiol. 2007 Jan;292(1):L134-43. (2007) Abstract

Turi JL, Wang X, McKie AT, Nozik-Grayck E, Mamo LB, Crissman K, Piantadosi CA, Ghio AJ. Duodenal cytochrome b: a novel ferrireductase in airway epithelial cells. Am J Physiol Lung Cell Mol Physiol. 2006 Aug;291(2):L272-80. (2006) Abstract

Ghio AJ, Turi JL, Yang F, Garrick LM, Garrick MD. Iron homeostasis in the lung. Biol Res. 2006;39(1):67-77. (2006) Abstract

Turi JL, Yang F, Garrick MD, Piantadosi CA, Ghio AJ. The iron cycle and oxidative stress in the lung. Free Radic Biol Med. 2004 Apr 1;36(7):850-7. (2004) Abstract

Turi JL, Jaspers I, Dailey LA, Madden MC, Brighton LE, Carter JD, Nozik-Grayck E, Piantadosi CA, Ghio AJ. Oxidative stress activates anion exchange protein 2 and AP-1 in airway epithelial cells. Am J Physiol Lung Cell Mol Physiol. 2002 Oct;283(4):L791-8. (2002) Abstract