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Àڱà °æºÎ »óÇǼº º´º¯ÀÇ ÁøÇà°ú Type IV Collagen, E-cadherin¹ßÇöÀÇ »ó°ü¼º¿¡ °üÇÑ ¿¬±¸ Type IV Collagen and E-cadherin Expression of Progressive Uterine Cervical Epithelial Lesions

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Abstract

¼­·Ð
Àڱà °æºÎ »óÇdz» Á¾¾çÀº ÇöÀç±îÁö ÀÌ Áúº´ÀÇ ÁøÇàÀ» ¿¹°ßÇϰųª ¼³¸íÇÒ ÇüÅÂÇÐÀû ÁöÇ¥°¡
¾ø°í ¶Ç ÁøÇàÇÏ¿© ħÀ±¼ºÀ» ³ªÅ¸³»°Å³ª ÀüÀÌ °¡´É¼ºÀÌ ÀÖ´ÂÁö¸¦ ¿¹ÃøÇÒ ¼ö ÀÖ´Â ÇüÅÂÇÐÀû
¿ä¼Ò°¡ ¾ÆÁ÷ ¾Ë·ÁÁ® ÀÖÁö ¾Ê´Ù. ±×·¯¹Ç·Î Á¾¾ç¿¡¼­ ħÀ±°ú ºÐÈ­¸¦ Á¶ÀýÇÏ´Â »ý¹°ÇÐÀû Çö»ó
À» ¾Ë¾Æ³¾ ¼ö ÀÖ´Ù¸é ÀڱðæºÎ »óÇǼº Á¾¾çÀÇ ¾Ç¼ºÈ­ °¡´É¼ºÀ» ºÐ¼®Çϴµ¥ ÁÁÀº ÁöÇ¥°¡ µÉ
¼ö ÀÖÀ» °ÍÀÌ´Ù.
»óÇÇ¿¡¼­ ±âÀú¸·Àº »óÇǸ¦ ÁöÁöÇØ ÁÖ°í ÇϺÎÀÇ ±âÁú°ú »óÇǸ¦ ºÐ¸®ÇÏ´Â ¿ªÇÒÀ» ÇÑ´Ù. ±â
Àú¸· ¼ººÐÀº ¿©·¯ °¡Áö ¿ä¼Ò·Î ±¸¼ºµÇ´Âµ¥ type IV collagen, laminin, fibronectin,
proteoglycans µîÀÌ ±× ¿ä¼ÒµéÀÌ¸ç ´ëºÎºÐÀÌ »óÇÇ¿¡¼­ »ý¼ºµÈ´Ù. Àڱà °æºÎÁ¾¾ç¿¡¼­ ±âÀú¸·
ÀÇ ¿ÏÀü¼º ¿©ºÎ°¡ »óÇdz» ¾Ï°ú ħÀ±¼º ¾ÏÀ» ±¸º°ÇÏ´Â ÁÖ¿äÇÑ ÀÎÀÚÀÌ´Ù. Type IV collagenÀÌ
±âÀú¸· ¹°ÁúÀÇ ÁöÇ¥°¡ µÉ ¼ö ÀÖ´Â °ÍÀº ´Ù¸¥ ±âÀú¸· ¹°Áúµé°ú °°Àº ¹æ¹ýÀ¸·Î ±âÀú¸· ³»¿¡
ºÐÆ÷µÇ¾îÀֱ⠶§¹®ÀÌ´Ù. ±âÀú¸·Àº ±âÀú¸· ¹°ÁúÀÇ »ý¼º°ú Æı«ÀÇ ±ÕÇü¿¡ ÀÇÇÏ¿© Á¸ÀçÇÏ°Ô µÇ
¸ç ±âÀú¸· ¹°ÁúÀÇ °¨¼Ò´Â Æı«°¡ Áõ°¡Çϰųª ħÂøÀÌ °¨¼ÒµÇ°Å³ª ¶Ç´Â ÀÌ µÎ °¡Áö°¡ ÇÔ²² ÀÛ
¿ëÇÏ¿© ³ªÅ¸³ª°Ô µÈ´Ù. ±âÀú¸· Æı«ÀÇ Áõ°¡´Â Á¾¾ç¼¼Æ÷°¡ »ý»êÇÏ´Â type IV collagen
specific collagenase¿¡ ÀÇÇÑ´Ù´Â Áõ°Å¸¦ Á¦½ÃÇÑ ¿¬±¸µéÀÌ ÀÖ´Ù. ¶Ç ½ÇÇèÀûÀ¸·Î Á¾¾ç ¼¼Æ÷ÀÇ
collagenolytic activity°¡ ÀüÀÌ´ÉÀÇ Áõ°¡¿Í °ü·ÃÀÌ ÀÖÀ½À» º¸°íÇÑ ¿¬±¸ÀÚµµ ÀÖ´Ù. Barslayµî
MonteagudoµîÀº ¾Ç¼º À¯¹æ¾Ï ¼¼Æ÷¿¡´Â type IV collagenase°¡ ÀÖÀ¸³ª ¾ç¼º¼¼Æ÷¿¡´Â ¾ø´Ù´Â
»ç½Çµµ ¹àÇû´Ù. ±×·¯¹Ç·Î »óÇdz» Á¾¾çÀÇ ÁøÇà°ú ħÀ±¼º, ÀüÀÌ´ÉÀÇ È¹µæ¿¡´Â ±âÀú¸· ¼ººÐÀÇ
º¯È­°¡ °ü¿©ÇÒ °ÍÀ¸·Î ÃßÁ¤µÈ´Ù.
CadherinÀº a family of cell adhesion receptors·Î¼­ ¼­·Î°£¿¡ homophilic interactionÀ» ÇÏ
´Â ¹°ÁúÀÌ´Ù. ÀÌ°ÍÀº ¼¼Æ÷ Ç¥¸éÀÇ adhesion specificity¸¦ Á¦°øÇÏ°í ¼¼Æ÷ÀÇ polarity¿Í Á¶Á÷Çü
Ÿ¦ Á¶ÀýÇÏ´Â ÀÛ¿ëÀ» ÇÑ´Ù. ±×·¯¹Ç·Î ÀÌ ¹°ÁúÀÇ Ç¥ÇöÀÌ °¨¼ÒµÇ´Â °Í°ú Á¾¾ç ¼¼Æ÷ÀÇ Ä§À±¼º
Áõ°¡°¡ °ü·Ã¼ºÀ» °®´Â´Ù°í ¾Ë·ÁÁ® ÀÖ´Ù. ±× Áß¿¡¼­µµ E-cadherinÀº Á¤»ó »óÇǼ¼Æ÷¿¡ ÁÖ·Î
³ªÅ¸³ª´Â cadherinÀ¸·Î¼­ keratinocyteÀÇ intercellular junctional organization°ú epidermal
morphogenesisÀÇ Á¶Àý¿¡ Áß½ÉÀûÀÎ ¿ªÇÒÀ» ÇÏ´Â °ÍÀ¸·Î ÃßÁ¤µÈ´Ù.
º» ¿¬±¸¿¡¼­´Â Àڱà °æºÎÀÇ »óÇdz» Á¾¾ç°ú ¹Ì¼¼Ä§À±¼º ¾Ï, ħÀ± ¾ÏÀ¸·ÎÀÇ ÁøÇà ½Ã ±âÀú¸·
¹°ÁúÀÇ º¯È­, E-cadherinÀÇ ¹ßÇöÀÇ ÀÌ»ó µîÀÌ ¾î¶»°Ô ³ªÅ¸³ª´Â Áö¸¦ Á¶»çÇÏ¿© ÁøÇ༺ º´º¯
ÀÇ »ý¹°ÇÐÀû ¹ß»ý °úÁ¤ÀÇ ÀÏ´ÜÀ» ±Ô¸íÇÏ°í, ÀÌ µÎ °¡Áö ÀÎÀÚµéÀÌ »óÇdz»¾ÏÁ¾ÀÇ ÁøÇàÀ» ¿¹°ß
ÇÒ ¼ö ÀÖ´Â ÁöÇ¥·Î¼­ÀÇ ÀÇÀǸ¦ °¡Áú ¼ö ÀÖ´Â Áö¸¦ ºÐ¼®ÇÏ°íÀÚÇÑ´Ù.
#ÃÊ·Ï#
Purpose: This study was designed to evaluate the role and the value as progression
markers, of type IV collagen and E-cadherin in the pathogenesis of progressive uterine
cervical epithelial lesions.
Materials and Methods: Materials examined were 4 cases of normal exocervical
squamous epithelium, 9 of endocervical squamous metaplasias, 2 of mild dysplasias, 8 of
moderate dysplasias, 15 of severe dysplasias, 12 of carcinoma in situ, 7 of microinvasive
squamous cell carcinomas, and 4 cases of invasive squamous cell carcinomas. All of
them were biopsied ones and products of conization and hysterectomy. The expression
of type IV collagen and E-cadherin in uterine cervical epithelial lesions were studied by
immunohistochemical method using monoclonal antibodies to type IV collagen and
E-cadherin.
Results: The expression of type IV collagen decreased relatively stepwise from
squamous metaplasias to cervical intraepithelial neoplasias(CIN) and subsequently to
invasive carcinomas. The expression of type IV collagen in normal uterine exocervical
squamous epithelium was within normal range in contrast to variable expression in
squamous metaplasia. There was no definite difference in expression pattern between
early invasive carcinoma and advanced invasive carcinomas. Normal and squamous
metaplastic epithelium of uterine cervix revealed membranous expression of E-cadherin
and cervical intraepithelial lesions showed cytoplasmic expression or negative expression
instead of membranous expression. There was clearcut difference in E-cadherin
expression between normal or metaplastic epithelium and neoplastic lesions.
Conclusion: The change of type IV collagen expression could be an early marker in
the progression of uterine cervical epithelial lesions from normal epithelium. And the loss
of differentiation and polarity and the deranged expression of E-cadherin are closely
correlated on the basis of the result that the changed expression of E-cadherin was
evident in the stage of transition from normal to neoplastic lesions.

Å°¿öµå

Uterine cervical epithelial lesions; Type IV collagen; E-cadherin;

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