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Hydrocortisone, Elcatonin ¹× CyclophosphamideÀÇ °ú·®Åõ¿©½Ã ÇϾǰúµÎÀÇ °ñº¯È­¿¡ °üÇÑ ¿¬±¸

A STUDY ON THE EFFECT OF HIGH-DOSE HYDROCORTISONE, ELCATONIN AND CYCLOPHOSPHAMIDE ON THE MANDIBULAR CONDYLE

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Abstract

hydrocortisone, elcatonin ¹× cyclophos-phamideÀÇ °ú¿ë·® Åõ¿©½Ã¿¡ ¹ß»ýµÇ´Â °ñÁ¶Á÷ÀÇ
ÇëÅÂ¿Í ±¸Á¶ÀÇ º¯È­¸¦ ±¸¸íÇϱâ À§ÇÏ¿© ÀúÀÚ´Â º» ¿¬±¸¸¦ ½ÃÇàÇÏ¿´´Ù.
½ÇÇ赿¹°Àº 60¸¶¸®ÀÇ 4ÁÖ·ÉÀÎ ¹é¼­À̾úÀ¸¸ç À̵éÀº ´ëÁ¶±º°ú ½ÇÇ豺ÀÇ °¢ ±º¿¡ 15¸¶¸®¾¿
¹èÁ¤ÇÏ¿´´Ù. ´ëÁ¶±º¿¡´Â üÁß §¸´ç 0.9% »ý¸®½Ä¿°¼ö 5§¢¸¦ ½ÇÇè±â°£Áß ¸ÅÀÏ ÇÇÇÏÁÖ»çÇÏ¿´
´Ù. ÇÑÆí ½ÇÇ豺¿¡´Â glucocorticoid·Î¼­´Â hydrocortisoneÀ», calcitoninÀ¸·Î¼­´Â el-catoninÀ»
üÁß §¸´ç °¢°¢ 30§·°ú 20U¾¿ 22ÀÏ°£ ¸ÅÀÏ °æ¹èºÎ¿¡ ÇÇÇÏÁÖ»ç ÇÏ¿´À¸¸ç, cyclophosphamide
´Â üÁß §¸´ç 100§·À» ½ÇÇè Á¦ 1ÀÏ¿¡ º¹°­³»¿¡ ´Üȸ ÁÖ»çÇÏ¿´´Ù. °¢ ±ºÀÇ ½ÇÇ赿¹°À» ½ÇÇè
6ÀÏ, 15ÀÏ, 22ÀÏ°¿¡ 5¸¶¸®¾¿ Èñ»ý½ÃŲ ÈÄ ¾çÃøÇϾǰúµÎºÎ¸¦ ÀûÃâÇÏ¿© ¿¬X¼±ÃÔ¿µ°ú Á¶Á÷ Ç¥
º» Á¦ÀÛ¿¡ °¢°¢ ÀÌ¿ëÇÏ¿´´Ù. ¾ò¾îÁø ¿¬X¼±»çÁø¿¡¼­´Â ÇϾǰúµÎ¿Í ÇϾǰúµÎ°æ °ñÁ¶Á÷ÀÇ À°¾È
Àû º¯È­¾ç»óÀ» Á÷Á¢ °üÂûÇÏ°í, ÀÌµé ¿¬X¼±»çÁøÀ» video based digital radiographÈ­ÇÏ¿© ÀÌ
µé ºÎÀ§ÀÇ °ñ¹Ðµµ¸¦ ÃøÁ¤ÇÏ¿´À¸¸ç, ¶ÇÇÑ Á¶Á÷º´¸®ÇÐÀûÀ¸·Î ÀÌµé ºÎÀ§ÀÇ°ñÁ¶Á÷ÀÇ º¯È­»óÀ»
°üÂûÇÏ¿´´ø ¹Ù ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. ¿¬X¼±»çÁøÀ» À°¾ÈÀûÀ¸·Î °üÂûÇÑ °á°ú hydrocortisoneÅõ¿©±º¿¡¼­´Â Àüü ½ÇÇè ±â°£¿¡
°ñ¼ÒÁÖ°¡ ºñ±³Àû ±ÕÀÏÇÏ°Ô Ä¡¹ÐÇÏ¿©Áö´Â °ñ°æÈ­»óÀÌ, elcatoninÅõ¿©±º¿¡¼­´Â ½ÇÇè±â°£ÀÌ °æ
°úÇÔ¿¡ µû¶ó ºÒ±ÔÄ¢ÇÑ °ñ¼ÒÁÖÀÇ ¼ö°¡ Áõ°¡µÇ´Â °æÇâ°ú ÇϾǰúµÎÀÇ º¯¿¬ºÎ¿¡¼­ÀÇ ÁÖ±âÀûÀÎ
¼±¹®ÀÇ Çü¼º»óÀÌ, ±×¸®°í cyclophosphamideÅõ¿©±º¿¡¼­´Â ½ÇÇè±â°£ÀÌ °æ°úÇÔ¿¡ µû¶óºÒ±ÔÄ¢ÇÑ
°ñ¼ÒÁÖÀÇ ¹è¿­»ó°ú ÇϾǰúµÎºÎ¿¡¼­ Á¡»óÀÇ X¼±ºÒÅõ°ú»óµéÀÌ °üÂûµÇ¾ú´Ù.
2. ½ÇÇè±â°£¿¡ µû¸¥ ÇϾǰúµÎÀÇ °ñ¹Ðµµ´Â ´ëÁ¶±º¿¡ ºñÇÏ¿© hydrocortisoneÅõ¿©±º¿¡¼­´Â ÄÇ
À¸³ª, elcatoninÅõ¿©±º¿¡¼­´Â °¨¼ÒµÇ¾ú°í cyclophosphamideÅõ¿©±º¿¡¼­´Â °¨¼ÒµÇ´Â °æÇâÀ̾ú
´Ù.
3.½ÇÇè±â°£¿¡ µû¸¥ hydrocortisone, el-catonin ¹× cyclophosphamideÅõ¿©±º¿¡¼­ÀÇ ÇϾǰúµÎ
°æÀÇ °ñ¹Ðµµ´Â ´ëÁ¶±º¿¡ ºñÇÏ¿© ±Ù¼ÒÇÏ°Ô Áõ°¡µÇ´Â °æÇâÀ̾ú´Ù.
4. Á¶Á÷º´¸®ÇÐÀû ¼Ò°ßÀ¸·Î, hydrocortisoneÅõ¿©±º°ú elcatoninÅõ¿©±º¿¡¼­´Â ºÒ±ÔÄ¢ÇÑ °ñ¼Ò
ÁÖ¿Í °ñÇü¼º»óÀÌ Àüü ½ÇÇè±â°£¿¡¼­ °üÂûµÇ¾úÀ¸³ª, cyclophosphamideÅõ¿©±º¿¡¼­´Â º¯¼ºµÈ
¿¬°ñ ¹× °ñ¼ÒÁÖ°¡ ½ÇÇè 6Àϱº¿¡¼­, ºÎºÐÀûÀ¸·Î ¼®È¸È­¹°ÀÌ °úħÂøµÈ °ñ¼ÒÁÖ°¡ ½ÇÇè 22ÀÏ ±º¿¡¼­ °¢°¢ °üÂûµÇ¾ú´Ù.
#ÃÊ·Ï#
The purpose of this study was to investigate the changes of morphology and
structure of bone tissue, caused by administration of high-dose hydrocortisone, elcatonin
and cyclophospha-mide.
In order to carry out experiment, 60 four-week old Sprague-Dawley strain rats
weighing about 107 gms were selected and divided into experimental group and control
group. The experimental group was subdivided into three groups, assigned fifteen rats
for each group, by the different drugs administered. Each experimental group was then
categorized as follows : hydrocortisone 30 §·/§¸ b.w. with daily subcutaneous injection,
elcatonin 20 U/§¸ b.w. with daily subcutaneous injection, and cyclophosphamide 100§·/§¸
b.w. with a single intraperitoneal injection. Fifteen rats were injected daily with 5§¢/§¸
b.w. of normal saline solution subcutaneously in control group. Rats in control group
and experimental group were serially sacrificed on the 6th, the 15th and the 22nd day
after injection of normal saline, hydrocortisone, elcatonin and cyclophos-phamide,
respectively. Being sacrificed, both sides of mandibular condyles were removed and fixed
with 10% neutral formalins. The one side of mandibular condyles was radiographed with
soft X-ray apparatus. Thereafter, the obtained radiographs were observed, and the bone
density of condylar head and condylar neck regions was measured by use of
transferring video-based digital radiograph. The other side was further decalcified and
embedded in paraffin as usual manner, then sectioned and stained with hematoxylin and
rosin, observed by light microscope.
The obtained results were as follows:
1. Sclerotic changes with regularly increased trabecular pattern were seen throughout
experimental periods in hydrocortisone group. Increased the number of trabecular pattern
with irregularity and periodic striation on the periphery of condylar head region were
appeared with lapse of time in elcatonin group. In cyclophosphamide group, irregular
trabecular pattern and stippled radiopacities on mandibular condyle were observed with
lapse of time.
2. The bone density of condylar head region was increased in hydrocortisone group,
decreased in elcatonin group, and tended to be decreased in cyclophosphamide group,
compared with that of control group according to the experimental periods.
3. The bone density of condylar neck region tended to be rather increased in
hydrocortisone group, elcatonin group and cyclophosphamide group, depending on the
experimental periods.
4. In microscopic studies, there were irregular trabecular bonds and osteoblastic
activity in hydrocortisone group and elcatonin group throughout experimental periods,
degenerative cartilage and trabecular bones in the 6th day and densely calcified
trabecular bones in the 22nd day in cyclophosphamide group.

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