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½ºÅ×·ÎÀÌµå ³ëÃâ ¼öÁ¤Ã¼ »óÇǼ¼Æ÷¿¡¼­ ÁßÇÕÈ¿¼Ò¿¬¼â¹ÝÀÀ ¹æ¹ýÀ» ÅëÇÑ À¯ÀüÀÚÀÇ ¹ßÇö º¯È­ Genes Expressed in Steroid-exposed Lens Epithelial Cells as Revealed by Polymerase Chain Reaction

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À¯¿õ¼±, ¼­Áø¼®, Á¶¿ë¿î, ÇÏ¿µ¼ú, Á¤Àοµ, ¼­¼º¿í, ±è¼ºÀç,
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À¯¿õ¼± ( Yoo Woong-Sun ) 
Gyeongsang National University College of Medicine Gyeongsang National University Hospital Department of Ophthalmology

¼­Áø¼® ( Seo Jin-Seok ) 
Gyeongsang National University College of Medicine Gyeongsang National University Hospital Department of Ophthalmology
Á¶¿ë¿î ( Cho Yong-Wun ) 
Gyeongsang National University College of Medicine Gyeongsang National University Hospital Department of Ophthalmology
ÇÏ¿µ¼ú ( Hah Young-Sool ) 
Gyeongsang National University Hospital Biomedical Research Institute
Á¤Àοµ ( Chung In-Young ) 
Gyeongsang National University College of Medicine Gyeongsang National University Hospital Department of Ophthalmology
¼­¼º¿í ( Seo Seong-Wook ) 
Gyeongsang National University College of Medicine Gyeongsang National University Hospital Department of Ophthalmology
±è¼ºÀç ( Kim Seong-Jae ) 
Gyeongsang National University College of Medicine Gyeongsang National University Hospital Department of Ophthalmology

Abstract

¸ñÀû: ¼öÁ¤Ã¼ »óÇǼ¼Æ÷¿¡ µ¦»ç¸ÞŸ¼ÕÀ» ó¸®ÇÑ ÈÄ polymerase chain reaction (PCR) arrayÀ» ÀÌ¿ëÇÏ¿© 84°³ À¯ÀüÀÚµéÀÇ ¹ßÇö º¯È­¸¦ Á¶»çÇÏ¿´´Ù.

´ë»ó°ú ¹æ¹ý: ¼öÁ¤Ã¼ »óÇǼ¼Æ÷¿¡ 0.01, 0.1, 1 mg/mL ³óµµÀÇ µ¦»ç¸ÞŸ¼ÕÀ» ó¸®ÇÑ ÈÄ ¼¼Æ÷»ýÁ¸À²°ú À̵¿¼º º¯È­¸¦ Á¶»çÇÏ¿´À¸¸ç, fibronectin, ¥á-smooth muscle actin (¥á-SMA), E-cadherin ¹ßÇö È®ÀÎÀ» À§ÇÑ Western blot¸¦ ½ÃÇàÇÏ¿´´Ù. ±×¸®°í 0.1 mg/mL ³ó
µµÀÇ µ¦»ç¸ÞŸ¼ÕÀ» 24, 48, 72½Ã°£ ó¸®ÇÑ ÈÄ 84°³ ¼ºÀå ÀÎÀÚÀÇ ¹ßÇö º¯È­¸¦ PCR array·Î Á¶»çÇÏ¿´´Ù.
°á°ú: µ¦»ç¸ÞŸ¼Õ 0.01°ú 0.1 mg/mL ³óµµ¿¡¼­ ¼¼Æ÷»ýÁ¸À²ÀÇ ÀǹÌÀÖ´Â º¯È­´Â °üÂûµÇÁö ¾Ê¾ÒÀ¸¸ç, 1 mg/mL ³óµµ¿¡¼­´Â ÇöÀúÇÑ ¼¼Æ÷µ¶¼ºÀ» ³ªÅ¸³»¾ú´Ù. ¼¼Æ÷ À̵¿¼ºÀº µ¦»ç¸ÞŸ¼Õ 0.01°ú 0.1 mg/mL ³óµµ¿¡¼­ ³óµµ ÀÇÁ¸ÀûÀ¸·Î Áõ°¡ÇÏ¿´´Ù. Western blot¿¡¼­ fibronectinÀº µ¦»ç¸ÞŸ¼ÕÀÇ ¸ðµç ³óµµ, ¥á-SMA´Â 0.01 mg/mL¿¡¼­ ÀÇ¹Ì ÀÖ°Ô Áõ°¡ÇÏ¿´À¸¸ç, E-cadherinÀº ¸ðµç ³óµµ¿¡¼­ ÀÇ¹Ì ÀÖ´Â °¨¼Ò¸¦ ³ªÅ¸³»¾ú´Ù. PCR array¿¡¼­ FGF1, FGF2, IL-11 µî°ú ¼¼Æ÷ÀÚ¸ê»ç¿¡ °ü¿©ÇÏ´Â ÀÎÀÚÀÎ GDNF, IL-1¥â, NRG2, ±×¸®°í ¼¼Æ÷ ºÐÈ­¿Í °ü·ÃµÈ BMP5, FGF1, FGF2, FGF5´Â 2¹è ÀÌ»ó °¨¼ÒÇÏ¿´°í, FGF9, FGF19Àº 2¹è ÀÌ»ó Áõ°¡ÇÏ¿´´Ù. ¹ß´Þ Á¶Àý ÀÎÀÚÀÎ BDNF, NGF, DKK1, NRG1, NRG2, LIF, INHBA´Â 2¹è ÀÌ»ó °¨¼ÒÇÏ¿´°í CSPG5, FIGF, NODALÀº 2¹è ÀÌ»ó Áõ°¡ÇÏ¿´´Ù.

°á·Ð: ¼öÁ¤Ã¼ »óÇǼ¼Æ÷¿¡¼­ µ¦»ç¸ÞŸ¼Õ ³ëÃâ½ÃŲ ÈÄ ½Ç½ÃÇÑ PCR arrayÀ» ÅëÇØ ½ºÅ×·ÎÀ̵å À¯¹ß ¹é³»Àå¿¡ °ü¿©ÇÏ´Â Èĺ¸ ¹°ÁúÀ» ¹ß±¼ÇÏ´Â µ¥¿¡ µµ¿òÀ» ÁÙ ¼ö ÀÖÀ» °ÍÀ¸·Î »ý°¢µÈ´Ù.

Purpose: We investigated the expression levels of 84 genes in dexamethasone-exposed human lens epithelial cells using polymerase chain reaction (PCR) array analysis.

Methods: The viability and motility of lens epithelial cells were examined after treatment with dexamethasone at 0.01, 0.1, and 1 mg/mL; Western blot was used to evaluate the expression levels of fibronectin, ¥á-smooth muscle actin (¥á-SMA), and E-cadherin. After 24, 48, and 72 hours of dexamethasone treatment at 0.1 mg/mL, the expression levels of 84 growth factors were analyzed using PCR array.

Results: Cell viability did not change significantly at dexamethasone levels of 0.01 or 0.1 mg/mL, but decreased markedly at 1 mg/mL; motility increased in a concentration-dependent manner at 0.01 and 0.1 mg/mL. Western blot showed that fibronectin levels increased significantly at all dexamethasone concentrations tested; the ¥á-SMA level increased only at 0.01 mg/mL, and E-cadherin levels decreased significantly at all tested concentrations. PCR showed that the levels of FGF1, FGF2, IL-11, regulators of apoptosis (GDNF, IL-1¥â, and NRG2), and regulators of cell differentiation (BMP5, FGF1, FGF2, and FGF5) decreased more than twofold, whereas the levels of FGF9 and FGF19 increased more than twofold.

Conclusions: PCR performed after exposure of lens epithelial cells to dexamethasone may identify the genes involved in the development of steroid-induced cataracts.

Å°¿öµå

Cataract; Lens proteins; Polymerase chain reaction; Steroids

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