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Ä®½· Ca  : ³Ê¹« Áß¿äÇؼ­ »ÀÀÇ ÇüÅ·Πº¸°üÇÑ´Ù

Ä®½·ÀÇ ¿ªÇÒ
- Ä®½·, 2Â÷ Àü·É
- Ä®½·°ú ¸À kokumi
- Ä®½·°ú ÀÀ°í : Ȳ»êÄ®½· ¿°È­Ä®½·
- »ÀÀÇ ±¸¼º¿ä¼Ò
- Ä®½· image sensing

Ä®½·ÀÇ ºÎÀÛ¿ë
- Ä®½·ÀÇ µ¶¼º : ¼¼Æ÷ÀÚ»ì, ±«»ç
- Ä®½·Á¦ ºÎÀÛ¿ë :  »À Æ°Æ° ÇÏ·Á¸é Ä®½· ¼·Ã뺸´Ù ¿îµ¿
- ¿ä·Î°á¼®

Ä®½· ±Þ¿ø, Èí¼ö¿äÀÎ
- Ç×»ó¼º : Ä®½· Ç×»ó¼º
- ºñŸ¹Î DÀÇ ¿ªÇÒ : Ä®½·Èí¼ö Á¶Á¤
- Ä®¸ðµâ¸°



- »ÀÀÇ ´Ü¹éÁú : Äݶó°ÕÀÌ 90% ÀÌ»ó Â÷Áö
- »ÀÀÇ ¹«±â¹° : 50~58% ÀÎ, 37~40% Ca, 2~8% ź»ê¿°, ±×¸®°í ¼Ò·®ÀÇ Na,K,Mg ...
- ü³» Ä®½·ÀÇ 99%´Â »À¿Í Ä¡¾Æ¿¡ ÀÎȸ¼®(hydroxypatite)ÇüÅ·Πº¸°üµÈ´Ù
   PÀÇ 90% ÀÌ»óÀÌ »À¿¡ º¸°üµÈ´Ù
- Ç×»ó¼º : Ca,P°¡ ´Ü´ÜÇؼ­°¡ ¾Æ´Ï¶ó ±× ¸¸Å­ Áß¿äÇÑ ¹°ÁúÀ̱⿡ »À¿¡ º¸°üÇϸ鼭 ÇÊ¿äÇÏ¸é ¼ö½Ã·Î ²¨³» ¾´´Ù

 

Some Proteins Regulated by Ca2+ and Calmodulin
- Adenylyl cyclase (brain)
- Ca/calmodulin-dependent protein kinases (CaM kinases I to IV)
- Ca-dependent Na channel (Paramecium)
- Ca-release channel of sarcoplasmic reticulum
- Calcineurin (phosphoprotein phosphatase 2B)
- cAMP phosphodiesterase
- cAMP-gated olfactory channel
- cGMP-gated Na, Ca channels (rod and cone cells)
- Glutamate decarboxylase
- Myosin light chain kinases
- NAD kinase
- Nitric oxide synthase
- Phosphoinositide 3-kinase
- Plasma membrane Ca ATPase (Ca pump)
- RNA helicase
- ¹è ¹ß»ýÀÇ °³½Ã
- °ñ°Ý±Ù, ½É±Ù, ÆòÈ°±Ù µîÀÇ ¼öÃà
- ½Å°æ¼¼Æ÷ Ãà»ö ÁßÀÇ ¹°ÁúÀÇ ¼ö¼Û
- ¿øÇüÁú À¯µ¿, exocytosis, endocytosis
- ¼¼Æ÷ÀÇ º¯Çü¿îµ¿
- MicrovilliÀÇ ¿îµ¿
- ¼¼Æ÷ºÐ¿­
- ¼¼Æ÷¸· À¯µ¿¼º
- ƯÀÌÀûÀÎ Ca2+ °áÇմܹéÁúÀ» ¸Å°³·Î




exocytosis, especially neurotransmitter release, and muscle contraction. In the electrical conduction system of the heart, calcium replaces sodium as the mineral that depolarizes the cell, proliferating the action potential. In cardiac muscle, sodium influx commences an action potential, but during potassium efflux, the cardiac myocyte experiences calcium influx, prolonging the action potential and creating a plateau phase of dynamic equilibrium.

Long-term calcium deficiency can lead to rickets and poor blood clotting and in case of a menopausal woman, it can lead to osteoporosis, in which the bone deteriorates and there is an increased risk of fractures. While a lifelong deficit can affect bone and tooth formation, over-retention can cause hypercalcemia (elevated levels of calcium in the blood), impaired kidney function and decreased absorption of other minerals.[20] High calcium intakes or high calcium absorption were previously thought to contribute to the development of kidney stones. However, a high calcium intake has been associated with a lower risk for kidney stones in more recent research.

 

 

 

 


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ÆäÀ̽ººÏ       ¹æ¸í·Ï      ¼öÁ¤ 2019-06-04 / µî·Ï 2018-01-25 / Á¶È¸ : 4112 (430)



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