CD13-positive bone marrow-derived myeloid cells promote angiogenesis, tumor growth, and metastasis.
Dondossola E, Rangel R, Guzman-Rojas L, Barbu EM, Hosoya H, St John LS, Molldrem JJ, Corti A, Sidman RL, Arap W, et al. Proc Natl Acad Sci U S A. 2013 Dec 17; 110(51):20717-22. Epub 2013 Dec 2.