{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,20]],"date-time":"2026-09-20T08:58:51Z","timestamp":1789894731382,"version":"4.0.1"},"reference-count":35,"publisher":"Springer Science and Business Media LLC","issue":"1","content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Exp Clin Cancer Res"],"published-print":{"date-parts":[[2012,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:sec>\n            <jats:title>Background<\/jats:title>\n            <jats:p>Type IV collagen (ColIV) is the most important scaffold for the basement membrane (BM) proteins, and plays an important role in regulating and limiting tumour invasion and metastasis.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods<\/jats:title>\n            <jats:p>Here, we observed the changes in morphology and distribution of type IV collagen (ColIV) in the basement membrane (BM) surrounding nests of carcinoma in 48 patients with oral tongue squamous cell (OTSCC). We examined the correlation between the expressions of ColIV, MMP-2 and MMP-9 and the prognosis of OTSCC patients. The intensity and patterns of expression were assessed immunohistochemically using anti-human mouse monoclonal MMP-2, MMP-9 and Col IV antibodies. Statistical analyses were performed to determine the prognostic correlations of ColIV, MMP-2, and MMP-9 levels.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>MMP-2 and MMP-9 expressions in OTSCC were higher than those in normal oral mucosa and dysplastic oral mucosa group(MMP-2 iOD: 66.40 \u00b1 24.20, 134.69 \u00b1 37.08, and 357.79 \u00b1 116.78; MMP-9 iOD: 88.05 \u00b1 23.85, 307.13 \u00b1 93.22, and 791.31 \u00b1 260.52; in normal, dysplastic oral mucosa, and tumour tissues, respectively, P &lt; 0.01); however, ColIV immunoreactivity was lower (ColIV iOD: 406.87 \u00b1 62.95, 247.83 \u00b1 42.30, and 151.92 \u00b1 38.17 in normal, dysplastic oral mucosa, and tumour tissues, respectively, P &lt; 0.01). High tumour and stromal MMP-2 and MMP-9 expression was significantly associated with positive lymph node status. Col IV expression was associated with positive lymph node status (P &lt; 0.05), and have negatively correlated with the expression of MMP-2 and MMP-9. Overall survival was significantly shorter in patients with high tumour and stromal MMP-2 and MMP-9 expression, and tended to be shorter in patients with low ColIV expression.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p>Degradation of ColIV was closely related to increased MMP-2 and MMP-9 expression; MMP-9 have more important function than MMP-2 during the cancer development. Monitoring changes in the expression of ColIV, MMP-2, and MMP-9 may be a useful technique for assessing prognoses in OTSCC patients.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/1756-9966-31-90","type":"journal-article","created":{"date-parts":[[2012,10,29]],"date-time":"2012-10-29T20:55:05Z","timestamp":1351544105000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":63,"title":["Changes in the expression of MMP2, MMP9, and ColIV in stromal cells in oral squamous tongue cell carcinoma: relationships and prognostic implications"],"prefix":"10.1186","volume":"31","author":[{"given":"Hai-Xia","family":"Fan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hai-Xia","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dong","family":"Chen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhong-Xiuzi","family":"Gao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jin-Hua","family":"Zheng","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2012,10,29]]},"reference":[{"key":"597_CR1","volume-title":"Oral pathology : clinical pathologic correlations","author":"JA Regezi","year":"2008","unstructured":"Regezi JA, Sciubba JJ, Jordan RCK: Oral pathology : clinical pathologic correlations. 2008, St. Louis, Mo: Saunders\/Elsevier"},{"key":"597_CR2","doi-asserted-by":"publisher","first-page":"138","DOI":"10.1002\/(SICI)1097-0347(199803)20:2<138::AID-HED7>3.0.CO;2-3","volume":"20","author":"RM Byers","year":"1998","unstructured":"Byers RM, El-Naggar AK, Lee YY, Rao B, Fornage B, Terry NH, Sample D, Hankins P, Smith TL, Wolf PJ: Can we detect or predict the presence of occult nodal metastases in patients with squamous carcinoma of the oral tongue?. 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