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Laboratory findings include low-normal serum calcium, moderately low serum phosphate, elevated serum alkaline phosphatase, and low serum 1,25 dihydroxy-vitamin D levels, hyperphosphaturia, and no evidence of hyperparathyroidism. [8] Hypophosphatemia decreases 2,3-bisphosphoglycerate (2,3-BPG) causing a left shift in the oxyhemoglobin curve.
Hypophosphatasia (/ ˌ h aɪ p oʊ ˈ f ɒ s f eɪ t ˌ eɪ ʒ ə /; also called deficiency of alkaline phosphatase, phosphoethanolaminuria, [5] or Rathbun's syndrome; [1] sometimes abbreviated HPP [6]) is a rare, and sometimes fatal, inherited [7] metabolic bone disease. [8]
The enzyme alkaline phosphatase (ALP, alkaline phenyl phosphatase) is a phosphatase with the physiological role of dephosphorylating compounds. The enzyme is found across a multitude of organisms, prokaryotes and eukaryotes alike, with the same general function, but in different structural forms suitable to the environment they function in. Alkaline phosphatase is found in the periplasmic ...
Transient hyperphosphataemia is a benign condition in infants, and can reach normal level in 4 months. In contrast, low levels of ALP is found in hypothyroidism, pernicious anemia, zinc deficiency, and hypophosphatasia. [6] ALP activity is significantly increased in the third trimester of pregnancy. [11]
Elevated levels of the alkaline phosphatase enzyme are reported among those who have obesity. A study reported there were higher serum levels of alkaline phosphatase in obese than in the non-obese. With elevated alkaline phosphatase levels, there is an increase in disproportionate intracellular fat depots and thereby releasing itself into the ...
Alkaline phosphatase levels are relatively low in those with Wilson's-related acute liver failure. [20] If neurological symptoms are seen, magnetic resonance imaging of the brain is usually performed; this shows hyperintensities in the part of the brain called the basal ganglia in the T2 setting. [14]
For most substances presented, the optimal levels are the ones normally found in the population as well. More specifically, optimal levels are generally close to a central tendency of the values found in the population. However, usual and optimal levels may differ substantially, most notably among vitamins and blood lipids, so these tables give ...
Alkaline phosphatase, placental type is a membrane-bound glycosylated dimeric enzyme, also referred to as the heat-stable form, that is expressed primarily in the placenta, although it is closely related to the intestinal form of the enzyme as well as to the placental-like form. [7]