{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T16:03:53Z","timestamp":1791302633728,"version":"4.1.0"},"reference-count":56,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2002,10,25]],"date-time":"2002-10-25T00:00:00Z","timestamp":1035504000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cancer"],"published-print":{"date-parts":[[2002,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>BACKGROUND<\/jats:title><jats:p>Vascular endothelial growth factor (VEGF), an endothelial cell mitogen, plays a hierarchical role in regulating physiologic and pathologic angiogenesis. Moreover, the transformation from noninvasive to invasive carcinomas is accompanied by focal disruption and discontinuity of the basement membrane. Several groups of proteases have been implicated in tumor cell invasion, including the 72\u2010kDa gelatinase A\/Type IV collagenase (matrix metalloproteinase 2 [MMP\u20102]) and the 92\u2010kDa gelatinase B\/Type IV collagenase (MMP\u20109).<\/jats:p><\/jats:sec><jats:sec><jats:title>METHODS<\/jats:title><jats:p>The authors assessed the immunohistochemical expression of VEGF and metalloproteinases MMP\u20102 and MMP\u20109 in paraffin embedded biopsy specimens of malignant melanomas (18 invasive melanomas and 10 in situ melanomas); dysplastic nevi with architectural disorder and cytologic atypia of melanocytes; Spitz nevi; and compound or predominantly intradermal, ordinary, benign melanocytic nevi.<\/jats:p><\/jats:sec><jats:sec><jats:title>RESULTS<\/jats:title><jats:p>Strong cytoplasmic staining for VEGF was observed in melanoma cells in as many as 77% of primary invasive melanomas, whereas only 25% of the in situ melanomas exhibited a detectable immunoreactivity for VEGF. It is interesting to note that no immunoreactivity was shown by any nevi; Spitz nevi, in particular, showed negative immunoreactivity to VEGF. Invasive melanomas and in situ melanomas displayed coexpression of MMP\u20102 and MMP\u20109, although to a variable extent. In particular, high MMP\u20102 staining was observed in 14 of 18 invasive melanomas; moreover, strong MMP\u20102 expression also was observed in 60% of in situ melanomas, whereas the residual 40% of those melanomas showed a moderate level of positivity.<\/jats:p><\/jats:sec><jats:sec><jats:title>CONCLUSIONS<\/jats:title><jats:p>On the basis of the current data showing that malignant melanocytic tumors displayed strong VEGF expression, whereas benign melanocytic proliferations showed no immunoreactivity for VEGF, VEGF also may be used as a discriminating factor to distinguish malignant melanoma from lesions of uncertain histology. Cancer 2002;95:1963\u201370. \u00a9 2002 American Cancer Society.<\/jats:p><jats:p>DOI 10.1002\/cncr.10888<\/jats:p><\/jats:sec>","DOI":"10.1002\/cncr.10888","type":"journal-article","created":{"date-parts":[[2002,10,29]],"date-time":"2002-10-29T08:57:53Z","timestamp":1035881873000},"page":"1963-1970","source":"Crossref","is-referenced-by-count":75,"title":["Immunohistochemical expression of vascular endothelial growth factor, matrix metalloproteinase 2, and matrix metalloproteinase 9 in cutaneous melanocytic lesions"],"prefix":"10.1002","volume":"95","author":[{"given":"Oriana","family":"Simonetti","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guendalina","family":"Lucarini","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Donatella","family":"Brancorsini","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Petronela","family":"Nita","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria Luisa","family":"Bernardini","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Graziella","family":"Biagini","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Annamaria","family":"Offidani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2002,10,25]]},"reference":[{"key":"e_1_2_5_2_2","first-page":"1935","volume-title":"Cancer","author":"Albino AP","year":"1997"},{"key":"e_1_2_5_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0092-8674(00)80108-7"},{"key":"e_1_2_5_4_2","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM199512283332608"},{"key":"e_1_2_5_5_2","first-page":"331","article-title":"Angiogenesis and tumor progression of melanoma. 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