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BIOCHEMICAL CHARACTERISTICS OF SALIVA TO BE LINKED TO THE MULTIPLE CARIES IN CHILDREN

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ÀåÈñ¼ø/Heesoon Chang Á¶¿ì¼º/ÃÖº´Àç/¼­Á¤ÅÃ/À̽ÂÀÏ/Woo-Sung Cho/Byung-Jai Choi/Jeong-Taeg Seo/Syng-Il Lee

Abstract

°á·Ð
Ä¡¾Æ¿ì½Ä°ú Ÿ¾×°úÀÇ °ü°è¸¦ ¹àÈ÷·Á´Â ¸ñÀûÀ¸·Î, Ä¡¾Æ¿ì½Ä È°¼ºÀÌ ³ôÀº Áý´Ü°ú Ä¡¾Æ¿ì½Ä
È°¼ºÀÌ ³·Àº Áý´ÜÀ» ¼±Á¤ÇÏ¿© µÎ Áý´Ü »çÀÌÀÇ Æ¯¼ºÀ» Ÿ¾× ´Ü¹éÁú, ÀüÇØÁú, ±×¸®°í È¿¼Ò µî
ÀÇ Á¤·®ÀûÀÎ Ãø¸é¿¡¼­ ºñ±³¡¤ºÐ¼®ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. Ä¡¾Æ¿ì½Ä È°¼ºÀÌ ³ôÀº Áý´Ü°ú Ä¡¾Æ¿ì½Ä È°¼ºÀÌ ³·Àº Áý´Ü »çÀÌÀÇ Àüü ´Ü¹éÁúÀÇ ¾çÀº
Ä¡¾Æ¿ì½Ä È°¼ºÀÌ ³·Àº Áý´Ü¿¡ ºñÇÏ¿© Ä¡¾Æ¿ì½Ä È°¼ºÀÌ ³ôÀº Áý´Ü¿¡¼­ ´õ ¸¹¾Ò´Ù.
2. Ÿ¾×À» Àü±â¿µµ¿ÇÏ¿© ´Ü¹éÁúÀÇ Á¤¼ºÀûÀÎ ºÐ¼®°á°ú, Ä¡¾Æ¿ì½Ä È°¼ºÀÌ ³·Àº Áý´Ü¿¡ ºñÇØ
Ä¡¾Æ¿ì½Ä È°¼ºÀÌ ³ôÀº Áý´Ü¿¡¼­ ¾à 120 KDaÅ©±âÀÇ ´Ü¹éÁú band°¡ Ư¡ÀûÀ¸·Î ³ªÅ¸³µ´Ù.
3. ¾à 120 KDaÅ©±âÀÇ ´Ü¹éÁúÀº Ä¡¾Æ¿ì½ÄÀ» ÁÖ·Î ÀÏÀ¸Å°´Â ¼¼±Õ Áß ÇϳªÀÎ Streptococcus
mutans°¡ Ä¡Áú¸é¿¡ ºÎÂøÇϴµ¥ ¿µÇâÀ» ¹ÌÄ¡Áö ¾Ê¾Ò´Ù.
4. Ä¡¾Æ¿ì½Ä È°¼ºÀÌ ³ôÀº Áý´Ü°ú Ä¡¾Æ¿ì½Ä È°¼ºÀÌ ³·Àº Áý´Ü¿¡¼­ ¥á-amylase¿Í lactate
dehydrogenase È°¼º¿¡´Â ÀǹÌÀÖ´Â Â÷ÀÌ°¡ ¾ø¾ú´Ù.
5. Ca2+, Na+, K+, Cl-,
Mg2+, uric acidÀÇ ¾çÀ» ºÐ¼®ÇÑ °á°ú, Na+ °ú Cl-
´Â Ä¡¾Æ¿ì½Ä È°¼ºÀÌ ³·Àº Áý´Üº¸´Ù Ä¡¾Æ¿ì½Ä È°¼ºÀÌ ³ôÀº Áý´Ü¿¡¼­ ´õ ¸¹Àº ¾çÀ» °¡Áö°í ÀÖ
¾úÁö¸¸, ³ª¸ÓÁö´Â ÀǹÌÀÖ´Â Â÷ÀÌ°¡ ¾ø¾ú´Ù.
º» ¿¬±¸´Â 1996³âµµ ÇÙ½ÉÀü¹®¿¬±¸°úÁ¦ Áö¿øÀ¸·Î ÀÌ·ç¾îÁ³À½
#ÃÊ·Ï#
Saliva is obviously potential medium to protect the dental caries by not only physical
clearing effect, but aggregating action of protein with bacteria. Nevertheless, we still do
not understand how the dental caries occur and what brings the individual difference in
caries prevalence. In the regards of dental caries prevalence, we hypothesized that the
composition of salivary protein might be different from caries susceptible group to caries
resistant group. The purposes of this experiment were focused on the molecular analysis
of salivary proteins from the subjects who were involved in multiple caries.
Electrophoretic analysis was done on the whole saliva collected from the children with
and without multiple caries. We found 86.2% of subjects with multiple caries has
approximately 120 KDa protein band while 30.4% in the healthy subjects. And the
concentration of the total protein on the subjects with multiple caries is significantly
higher than that of the healthy group. However, it turned out that the difference of the
salivary composition does not affect the bacterial adhesion to hydroxyapatite bead. With
regards of enzymes in saliva, the activity of ¥á-amylase and lactate dehydrogenase does
not have any significant difference between both groups. However, the concentrations of
Na+ and Cl- in saliva from multiple caries group is higher
than that of the control group.
Taken all together, it may be concluded that 120 KDa protein in saliva may be
associated with the process of dental caries, also the high concentration of protein and
Na+, Cl- in saliva may be linked to dental caries
development as a cofactors.

Å°¿öµå

multiple caries; salivary protein; saliva;

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KCI