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Background While there has been progress in controlling the HIV epidemic, HIV still remains a disease of global concern. Some of the progress has been attributed to increased public awareness and uptake of public health interventions, as well as increased access to anti- retroviral treatment and the prevention of vertical HIV transmission. These interventions would not have been possible without substantial...
The involvement of extracellular Ca 2+ and Ca 2+ influx across the plasma membrane in parathyroid hormone (PTH) secretion was investigated in vitro using a new preparation of bovine parathyroid cells. Incubation of these cells in the presence of 25 μM or 2.5 μM free ambient Ca 2+ induced a maximal rate of PTH secretion. Low free Ca 2+ secretion is...
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