- TNF-Induced shedding of TNF receptors in human polymorphonuclear leukocytes: role of the 55-kDa TNF receptor and involvement of a membrane-bound and non-matrix metalloproteinase. Dri, P., Gasparini, C., Menegazzi, R., Cramer, R., Albéri, L., Presani, G., Garbisa, S., Patriarca, P. J. Immunol. (2000)