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Experimental Study On The Bone Induction Capacity Of The Porcine Bone Matrix-Derived Bone Morphogenetic Protein

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½É»ó¿¬ (  ) - °­¸ª´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­¾Ç¾È¸é¿Ü°úÇб³½Ç
Á¶¸®¶ó (  ) - °­¸ª´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­¾Ç¾È¸é¿Ü°úÇб³½Ç
±è¼öÆò (  ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­¾Ç¾È¸é¿Ü°úÇб³½Ç

Abstract

°á·Ð
µÅÁöÀÇ °ñ±âÁú·ÎºÎÅÍ ±¸¾Æ´Ïµò ÃßÃâ°ú ÇìÆĸ° Å©·Î¸¶Åä±×·¡ÇǸ¦ ÀÌ¿ëÇÏ¿© ºÎºÐ Á¤Á¦ÇÑ °ñ
Çü¼º ´Ü¹éÁúÀ» ºñÈ°¼º ºñ¿ëÇؼº ±³¿øÁú¼º °ñ±âÁú, IÇü ±³¿øÁú, chondroitin-6-sulfate sodium
salt¿Í ÇÔ²² ¹é¼­ÀÇ ÈïºÎ ±ÙÀ°³¶¿¡ À̽ÄÇÏ¿© À̼Ҽº °ñÇü¼ºÀ» À¯µµÇÏ°í ´ëÁ¶±ºÀ¸·Î´Â µ¿ÀÏ
ÇÑ ¿î¹Ýü º¹ÇÕü¸¸À» ¹Ý´ëÃø¿¡ À̽ÄÇÏ¿© À̸¦ Á¶Á÷ÇÐÀû, ¹æ»ç¼±ÇÐÀû, »ýÈ­ÇÐÀûÀ¸·Î ºÐ¼®ÇÏ
¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. µÅÁöÀÇ °ñ±âÁú·ÎºÎÅÍ ±¸¾Æ´Ïµò ÃßÃâ°ú ÇìÆĸ° ģȭ¼º Å©·Î¸¶Åä±×·¡ÇÇ¿¡ ÀÇÇØ ºÎºÐ Á¤Á¦
µÈ °ñÇü¼º ´Ü¹é ºÐȹÀº SDS-PAGE¿¡¼­ 31.0-40.0 KDaÀÇ ºÐÀÚ·®À» ³ªÅ¸³»¾ú´Ù.
2. ÀÌ °ñÇü¼º ´Ü¹éÁú 3.0mgÀº ¹é¼­ÀÇ ±ÙÀ° Á¶Á÷³»¿¡¼­ 21ÀÏ À̳»¿¡ ¿¬°ñ°ú ÇÔ²² °ñÁ¶Á÷À»
À¯µµÇÏ¿´´Ù.
3. ºñÈ°¼º ºñ¿ëÇؼº ±³¿øÁú¼º °ñ±âÁú°ú IÇü ±³¿øÁú, chondroitin-6-sulfate´Â °ñÇü¼º ´Ü¹éÁú
ÀÇ ¿î¹Ýü·Î¼­ ÀûÀýÈ÷ ÀÛ¿ëÇÏ¿´À¸³ª ¾à°£ÀÇ À̹°¹ÝÀÀÀ» ³ªÅ¸³»¾ú´Ù.
4. À§ÀÇ º¯È­´Â soft X-ray¸¦ ÀÌ¿ëÇÑ °ñ¹Ðµµ ºÐ¼®¿¡¼­ ´ëÁ¶±º°ú À¯ÀǼº ÀÖ´Â º¯È­¸¦ ³ªÅ¸³»
Áö ¸øÇÏ¿´´Ù.
5. ½Ã°£¿¡ µû¸¥ ¿°±â¼º ÀλêºÐÇØÈ¿¼ÒÀÇ È°¼º º¯È­¿¡¼­ ½ÇÇ豺Àº 11ÀÏ°¿¡ ÃÖ°íÄ¡¸¦ º¸¿´À¸
¸ç ´ëÁ¶±º¿¡ ºñÇÏ¿© 5ÀÏ, 7ÀÏ, 11ÀÏ, 14ÀÏ, 21Àϱº¿¡¼­ Áõ°¡ÇÏ¿´´Ù(p<0.01).
6. ½Ã°£¿¡ µû¸¥ Ä®½· ¾çÀÇ º¯È­¿¡¼­ ½ÇÇ豺Àº Á¡Â÷ Áõ°¡ÇÏ´Â ¾ç»óÀ» º¸¿´À¸¸ç ´ëÁ¶±º¿¡ ºñ
ÇÏ¿© 11ÀÏ, 14ÀÏ, 21Àϱº¿¡¼­ Áõ°¡ÇÏ¿´´Ù(p<0.01) .
ÀÌ»óÀÇ °á°ú´Â °ñÇü¼º ´Ü¹éÁú¿¡ ´ëÇÑ ´ë·®»ý»ê°ú ÇÔ²² ÀûÀýÇÑ ¿î¹ÝüÀÇ °³¹ßÀÌ ÀÌ·ç¾îÁø
´Ù¸é ±¸°­¾Ç¾È¸é¿Ü°ú ¿µ¿ª¿¡ ÀÓ»ó Àû¿ëÇÏ¿© »õ·Î¿î Ä¡·á ¼ú½ÄÀ» °³¹ßÇس¾ ¼ö ÀÖÀ½À» ½Ã»çÇÑ´Ù.
#ÃÊ·Ï#
Bone morphogenetic proteins(BMPs) are a group of transforming growth factor
beta(TGF-¥â)-related factors and multifunctional proteins, especially the only known
biologic factors capable of inducing endochondral bone formation at an extraskeletal site.
This study was performed to investigate the effect of the partially purified porcine
BMP(pBMP) at an ectopic site. PBMP was partially purified from porcine bone matrix
and its activity was monitored by an in vivo bioassay. The purification method utilized
extraction of the bone-including actively with 4M guanidine, followed by
chromatography on heparin-Sepharose. Active fractions were reconstituted with inactive
insoluble collagenous bone matrix from rats, acid soluble type I collagen from rat tail
and chondroitin-6-sulfate sodium salt and implanted into the pectroralis muscle as
control. The rats were sacrificed at the day of 1st, 3rd 5th. 7th, 11th, 14th and 21st
after implantation and examined histologically, radiologically and biochemically. And
alkaline phosphatase activity and calcium content were used as indices of bone
formation. The results were as follows ;
1. Active fractions were localized in a zone between 31 and 40 KDa on SDS-PAGE
2. The implanted 3.0§· of the partially purified pBMP induced cartilage and bone in the
muscle tissue of rats through an endochondral ossification process.
3. Inactive insoluble bone matrix, type I collagen and chondroitin-6-sulfate have
functioned as carriers for pBMP, but revealed some foreign body reactions.
4. Soft X-ray didn't reveal significant change between the experimental and the control
group.
5. The alkaline phosphatase activities in the experimental group of 5th. 7th, 11th. 14th
and 21st were increased significantly compared with control(p<0.01) with the peak in the
group of 11th day.
6. With time, the calcium content of the experimental group increased. And the calcium
cintents in the experimental group of 11th, 14th, and 21 were increased significantly
compared with control(p<0.01)

Å°¿öµå

PBMP; Endochondral bone formation; bioassay.;

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