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2017 ; 100
(ä): 94-99
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Calcium as a cardiovascular toxin in CKD-MBD
#MMPMID27576942
Moe SM
Bone
2017[Jul]; 100
(ä): 94-99
PMID27576942
show ga
Disordered calcium balance and homeostasis are common in patients with chronic
kidney disease. Such alterations are commonly associated with abnormal bone
remodeling, directly and indirectly. Similarly, positive calcium balance may also
be a factor in the pathogenesis of extra skeletal soft tissue and arterial
calcification. Calcium may directly affect cardiac structure and function through
direct effects to alter cell signaling due to abnormal intracellular calcium
homeostasis 2) extra-skeletal deposition of calcium and phosphate in the
myocardium and small cardiac arterioles, 3) inducing cardiomyocyte hypertrophy
through calcium and hormone activation of NFAT signaling mechanisms, and 4)
increased aorta calcification resulting in chronic increased afterload leading to
hypertrophy. Similarly, calcium may alter vascular smooth muscle cell function
and affect cell signaling which may predispose to a proliferative phenotype
important in arteriosclerosis and arterial calcification. Thus, disorders of
calcium balance and homeostasis due to CKD-MBD may play a role in the high
cardiovascular burden observed in patients with CKD.
|Animals
[MESH]
|Calcium/*metabolism
[MESH]
|Chronic Kidney Disease-Mineral and Bone Disorder/*metabolism
[MESH]