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COMPARISON OF BONE INDUCING PROCESS OF PORCINE BONE MATRIX-DERIVED BMP COMBINED WITH THE FOLLOWING, FREEZE-DRIED ALLOGENEIC BONE, SURFACE DEMINERALIZED ALLOGENEIC BONE, AND DEMINERALIZED ALLOGENEIC BONE POWDER IN RATS.

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±èº´¸°/Byeong Rin Kim ÀÌÁ¾È£/±èÁ¾¿ø/Jong Ho Lee/Jong Won Kim

Abstract

°á·Ð
µÅÁöÀÇ »çÁö°ñ¿¡¼­ ÃßÃâÇÏ¿©, ÇìÆĸ° Å©·Î¸¶Åä±×·¡ÇÇ·Î ºÎºÐ Á¤Á¦ÇÑ °ñÇü¼º ´Ü¹éÁú(porcine
Bone Morphogenetic Protein, pBMP) 2.0mgÀ» ºñÈ°¼º °ñ±âÁú(Inactivated Bone Matrix,
IBM)¿¡ Æ÷¸ÅÇÑ °ñÇü¼º ´Ü¹é º¹ÇÕü(pBMP-lBM)¸¦ ¹é¼­ µÎÁ¤°ñ °á¼ÕºÎ¿¡ À̽ÄÇÏ¿© ½ÇÇè A
±º(´ëÁ¶±º)À¸·Î ÇÏ¿´°í, °ñÇü¼º ´Ü¹é º¹ÇÕü·Î º¸°­ÇÑ ³Ãµ¿ °ÇÁ¶ µ¿Á¾°ñÀ» À̽ÄÇÑ °æ¿ì¸¦ ½Ç
Çè B±º, °ñÇü¼º ´Ü¹é º¹ÇÕü·Î º¸°­ÇÑ Ç¥¸é Żȸ µ¿Á¾°ñÀ» À̽ÄÇÑ °æ¿ì¸¦ ½ÇÇè C±º, °ñÇü¼º
´Ü¹é º¹ÇÕü·Î º¸°­ÇÑ µ¿Á¾ Żȸ°ñ ºÐ¸»À» À̽ÄÇÑ °æ¿ì¸¦ ½ÇÇè D±ºÀ¸·Î ÇÏ¿© °¢°¢ÀÇ Ä¡À¯
°úÁ¤À» À°¾ÈÀû, ¹°¸®Àû, È­ÇÐÀû,Á¶Á÷ÇÐÀûÀ¸·Î ºñ±³ °üÂûÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. À°¾ÈÀûÀ¸·Î 4ÁÖ° ºÎÅÍ ½ÇÇ豺Àº °ñ¼º À¯ÇÕÀ» º¸À̱⠽ÃÀÛÇÏ¿´´Ù.
2. °ñ °á¼ÕºÎÀÇ °æµµ´Â 4ÁÖ°¿¡´Â ½ÇÇè B±ºÀÌ °¡Àå ³ô¾Ò°í 8ÁÖ Â°¿¡´Â ½ÇÇè A±º(´ëÁ¶±º)
º¸´Ù ½ÇÇè B, C, D±º¿¡¼­ ³ô°Ô ³ªÅ¸³µ´Ù.
3. ½Ã°£¿¡ µû¸¥ °ñ °á¼ÕºÎÀÇ Ä®½· ÇÔ·®Àº ½ÇÇè B±ºÀ» Á¦¿ÜÇÏ°í´Â ½Ã°£ÀÌ Áö³²¿¡ µû¶ó Á¡Â÷
Áõ°¡ÇÏ¿´´Ù.
4. ÀÌ½Ä Ãʱ⿡´Â ½Å»ý ¿¬°ñÇü¼º ¹× ½Å»ý °ñÇü¼ºÀº ½ÇÇè A±º(´ëÁ¶±º)º¸´Ù ½ÇÇè B, C, D±º
¿¡¼­ ´õ¿í ¿Õ¼ºÇÏ¿´À¸¸ç Àå±âÀûÀ¸·Î´Â(½ÇÇè 8ÁÖ) À¯»çÇÑ ½Å»ý°ñ Çü¼ºÀ» ³ªÅ¸³»¾ú´Ù.
5. ½ÇÇ豺 Áß¿¡¼­´Â ½ÇÇè D±º¿¡¼­ °¡Àå ¸ÕÀú ½Å»ý¿¬°ñ ¹× ½Å»ý°ñ Çü¼ºÀ» ³ªÅ¸³Â°í, ±×´ÙÀ½
Àº ½ÇÇè C±º, ½ÇÇè B±º, ½ÇÇè A±ºÀÇ ¼øÀ̾ú´Ù.
ÀÌ»óÀÇ °á°ú·Î ºÎÅÍ BMP¸¸À¸·Î À̽ÄÇÏ´Â °Íº¸´Ù µ¿Á¾°ñ À̽Äü¿Í BMP¸¦ º´¿ëÇÏ´Â °ÍÀÌ
´õ ¿ì¼öÇÑ °á°ú¸¦ º¸¿´À¸¸ç, µ¿Á¾°ñ À̽Äü Áß¿¡¼­´Â Żȸ°¡ ¸¹ÀÌ µÉ¼ö·Ï BMP¿Í º´¿ë½Ã
½Å»ý ¿¬°ñ ¹×½Å»ý°ñ Çü¼ºÀÌ ´õ¿í ¿Õ¼ºÇÏ¿´´Ù. ¶ÇÇÑ ¼ö¼úÈÄ ´Ü±âÀûÀ¸·Î ±â°èÀû °­µµ¸¦ ¿äÇÏ
´Â ¾Ç°ñÀÇ ºÒ¿¬¼Ó¼º °á¼ÕºÎ¿¡´Â ³Ãµ¿°ÇÁ¶°ñÀ» BMP·Î º¸°­ÇÏ¿© ¼öº¹ÇÏ¸é ºü¸¥ ½Ã°£³»¿¡ ±â
°èÀû °­µµ¸¦ ¾ò°ÔµÉ °ÍÀ¸·Î »ç·áµÈ´Ù.
#ÃÊ·Ï#
The purpose of this study is to compare the osteogenic activity of pBMP combined
with the following, freeze-dried allogeneic bone, surface demineralized allogeneic bone,
and demineralized allogenic bone powder in rats. So, authors made partial purification of
the pBMP. Using rat calvaria, an 8mm size in diameter boney defect was grafted using
pBMP-ibm in the experimental group A as the control group, freezed dried allogeneic
bone graft plus pBMP-ibm in the experimental group B, surface demineralized allogeneic
bone graft plus pBMP-ibm in the experimental group C, and demineralized allogeneic
bone powder plus pBMP-ibm in the experimental group D, respectively. The rats were
sacrificed at the week of 1st, 2nd, 4th, 8th after implantation and examined grossly,
biochemically, biomechanically, microscopically.
The results were as follows
1. Ares of Implanted defect acquired osseous union at post op 4th week.
2. According to the result of hardness test, the experimental group B was most rigid
than any other experimental groups at post op. 4th week. And the experimental group
B, C and D were more rigid than the experimental group A at post op. 8th week.
3. As time goes on, calcium content of implanted area has increased gradually in all
experimental groups except the experimental group B.
4. In the early stage of grafting, the new cartilage formation & new bone formation
were more active in the experimental group B, C and D than in the experimental group
A, but in the late stage of grafting, there was no significant difference in the new bone
formation among the experimental groups.
5. New cartilage and new bone formation occurred as follow, first in the experimental
group D, then the experimental group C, the experimental group B, the experimental
group A, respectively.

Å°¿öµå

pBMP; allogeneic bone; graft.;

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