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第二型環氧化酶抑制劑用在子宮頸癌之檢視

Cyclooxygenase-2 in Cervical Cancer

摘要


環氧化酶(cyclooxygenase, COX)乃一種可以阻止花生四稀酸(arachidonic acid)合成前列腺素。環氧化酶有兩種形式:COX-1和COX-2。COX-2平常不存在,但在發炎時會出現,可能爲致癌病因,因它會產生細胞增殖、分裂、細胞沾黏、自然凋亡(apoptosis)、免疫反應、和血管增生等,使癌細胞加速生長。COX-2抑制劑可能爲預防和治療癌症的一個新觀念。最近研究,使用celecoxib(COX-2抑制劑)作爲子宮頸癌輔助治療的藥物,但必須要有更多的報告來確定其效果。

並列摘要


Cyclooxygenase (COX), the key enzyme in the conversion of arachidonic acid to prostaglandins, exists in two isoforms: COX-1 and COX-2. COX-2 expression appears to be related to cancer proliferation, mitosis, immunoreaction, angiogenesis, and a suppression of apoptosis. The development of specific COX-2 inhibitors has led to new concepts of chemoprevention and treatment of cancer. In recent studies, celecoxib (COX-2 inhibitor) has shown potential as an adjuvant medical treatment for cervical cancer. Further trials with larger numbers are needed to confirm these results.

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