نتایج جستجو برای: ca concentration
تعداد نتایج: 488258 فیلتر نتایج به سال:
When excised barley roots were incubated in 0.01 to 0.1 mm KCl solutions containing 0.2 mm CaSO(4), there was a peak in the K(+) accumulation against concentration curve at 0.02 to 0.04 mm KCl. The peak in the K(+) accumulation curve was shifted to lower K(+) concentrations when Ca(2+) concentration was decreased and to higher K(+) concentrations when Ca(2+) concentration was increased. Increas...
Plasma membrane large-conductance Ca(2+)-activated K(+) (BK(Ca)) channels and sarcoplasmic reticulum inositol 1,4,5-trisphosphate (IP(3)) receptors (IP(3)Rs) are expressed in a wide variety of cell types, including arterial smooth muscle cells. Here, we studied BK(Ca) channel regulation by IP(3) and IP(3)Rs in rat and mouse cerebral artery smooth muscle cells. IP(3) activated BK(Ca) channels bo...
BACKGROUND Ensuring adequate vitamin D status in older adults may reduce the risk of osteoporosis. The serum 25-hydroxyvitamin D [25(OH)D] concentration is the recommended biomarker of vitamin D status, but the optimal serum 25(OH)D concentration for bone health in postmenopausal women remains unclear. OBJECTIVE The aim of this study was to apply the highly sensitive (41)Ca skeletal labeling ...
that mice deficient in calbindin-D 28K exhibit cerebellar ataxia (Airaksinen et al., 1997a) and impaired spatial Hongo, Bunkyo-ku Tokyo 113 learning (Molinari et al., 1996). However, the properties of high-affinity Ca 2ϩ buffering in vivo and its specific Japan † Department of Pharmacology and Physiology consequences for neuronal Ca 2ϩ signaling have not been elucidated. We have therefore now i...
Disorders of mineral and bone metabolism are prevalent in patients with chronic kidney disease (CKD). The recent National Kidney Foundation Kidney Disease Outcomes Quality Initiative (K/DOQI) guidelines recommend that blood calcium (Ca) be regularly measured in patients with stages 3 to 5 CKD. The Kidney Disease: Improving Global Outcomes (KDIGO) position states that the measurement of ionized ...
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