Signaling in erythrocytes; erythropoiesis; Sickle Cell disease; endothelial cell biology

Visit the Kalfa Lab.

MD: Aristotle University Medical School, Thessaloniki, Greece, 1990.

PhD: Aristotle University Medical School, Thessaloniki, Greece, 1997.

Residency: University Of North Carolina, Chapel Hill, NC, 1999.

Fellowship: Duke University Medical Center, Durham, NC, 2003.

Certification: Hematology / oncology, American Board of Pediatrics, 2004; Pediatrics, American Board of Pediatrics, 2000; ECFMG Certification, 1995.

Licenses: Full and unrestricted medical license (OH Medical Board), 2003-present; full and unrestricted license of medical practice in Greece, 1990-present.

Hammill AM, Risinger MA, Joiner CH, Keddache M, Kalfa TA. Compound heterozygosity for two novel mutations in the erythrocyte protein 4.2 gene causing spherocytosis in a Caucasian patient. Br J Haematol. 2011 Jan 31.

Kalfa TA. Anchoring at an island to relieve stress. Blood. 2011 Jan 20;117(3):748-9.

Mizukawa B, George A, Pushkaran S, Weckbach L, Kalinyak K, Heubi JE, Kalfa TA. Cooperating G6PD mutations associated with severe neonatal hyperbilirubinemia and cholestasis.Pediatr Blood Cancer. 2010 Oct 14.

Konstantinidis DG, George A, Kalfa TA. Rac GTPases in erythroid biology. Transfus Clin Biol. 2010 Sep;17(3):126-30.

George A, Pushkaran S, Li L, An X, Zheng Y, Mohandas N, Joiner CH, Kalfa TA. Altered phosphorylation of cytoskeleton proteins in sickle red blood cells: the role of protein kinase C, Rac GTPases, and reactive oxygen species. Blood Cells Mol Dis. 2010 Jun 15;45(1):41-5.

Kalfa TA, Pushkaran S, Zhang X, Johnson JF, Pan D, Daria D, Geiger H, Cancelas JA, Williams DA, Zheng Y. Rac1 and Rac2 GTPases are necessary for early erythropoietic expansion in the bone marrow but not in the spleen.Haematologica. 2010 Jan;95(1):27-35.

Mulloy JC, Cancelas JA, Filippi MD, Kalfa TA, Guo F, Zheng Y. Rho GTPases in hematopoiesis and hemopathies. Blood. 2010 Feb 4;115(5):936-47.

Wang D, Zhang W, Kalfa TA, Grabowski G, Davies S, Malik P, Pan D. Reprogramming erythroid cells for lysosomal enzyme production leads to visceral and CNS cross-correction in mice with Hurler syndrome.Proc Natl Acad Sci U S A. 2009 Nov 24;106(47):19958-63.

Diwan A, Koesters AG, Capella D, Geiger H, Kalfa TA, Dorn GW 2nd. Targeting erythroblast-specific apoptosis in experimental anemia. Apoptosis. 2008 Aug;13(8):1022-30.

Daria D, Filippi MD, Knudsen ES, Faccio R, Li Z, Kalfa T, Geiger H. The retinoblastoma tumor suppressor is a critical intrinsic regulator for hematopoietic stem and progenitor cells under stress. Blood. 2008 Feb 15;111(4):1894-902.

Diwan A, Koesters AG, Odley AM, Pushkaran S, Baines CP, Spike BT, Daria D, Jegga AG, Geiger H, Aronow BJ, Molkentin JD, Macleod KF, Kalfa TA, Dorn GW. Unrestrained erythroblast development in Nix-/- mice reveals a mechanism for apoptotic modulation of erythropoiesis. Proc Natl Acad Sci U S A. 2007 Apr 17;104(16):6794-9.

Kalfa TA, Pushkaran S, Mohandas N, Hartwig JH, Fowler VM, Johnson JF, Joiner CH, Williams DA, Zheng Y. Rac GTPases regulate the morphology and deformability of the erythrocyte cytoskeleton. Blood. 2006 Dec 1;108(12):3637-45.