Expression of matrix metalloproteinases and tissue inhibitor of metalloproteinases in laryngeal and pharyngeal squamous cell carcinoma: A quantitative analysis

Steven P. Magary, Matthew W. Ryan, R. W. Tarnuzzer, Lori Kornberg

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Squamous cell carcinomas of the head and neck are known for their aggressive growth and propensity to metastasize. Invasion is facilitated by matrix metalloproteineases (MMPs). Tissue inhibitors of MMPs (TIMPs) negatively regulate MMP activity. MMP and TIMP expression in head and neck squamous cell carcinomas was determined by quantitative reverse transcriptase polymerase chain reaction (qRT-PCR). qRT-PCR allows measurement of several mRNAs from as little as 4 μg of total cellular RNA. We measured MMP-1, MMP- 2, MMP-9, and TIMP-1 expression in 8 specimens of primary tumors and adjacent normal tissue. MMP-1 was overexpressed in 6 of 8 tumors, and MMP-9 was overexpressed in 4 of 7 tumors. MMP-2 was expressed in 3 of 8 tumors and 3 of 8 normal samples. TIMP-1 was expressed in all specimens. This work demonstrates that qRT-PCR can be used to examine expression of specific mRNAs in clinical specimens. Therefore this method provides another tool for the molecular analysis of tumors.

Original languageEnglish (US)
Pages (from-to)712-716
Number of pages5
JournalOtolaryngology - Head and Neck Surgery
Volume122
Issue number5
StatePublished - 2000

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Tissue Inhibitor of Metalloproteinases
Matrix Metalloproteinase Inhibitors
Squamous Cell Carcinoma
Reverse Transcriptase Polymerase Chain Reaction
Neoplasms
Messenger RNA
RNA
Growth

ASJC Scopus subject areas

  • Otorhinolaryngology

Cite this

Expression of matrix metalloproteinases and tissue inhibitor of metalloproteinases in laryngeal and pharyngeal squamous cell carcinoma : A quantitative analysis. / Magary, Steven P.; Ryan, Matthew W.; Tarnuzzer, R. W.; Kornberg, Lori.

In: Otolaryngology - Head and Neck Surgery, Vol. 122, No. 5, 2000, p. 712-716.

Research output: Contribution to journalArticle

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