[PDF] Top 20 Is There Any Threshold for Vitamin D That Elevates Parathyroid Hormone
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Is There Any Threshold for Vitamin D That Elevates Parathyroid Hormone
... 25(OH) D testing in the clinical practice [12] as the fastest growing Medicare item that increased exponentially over the past 15 years [40], our findings indicate that PTH levels rather than corrected Ca levels ... See full document
14
Defining Vitamin D Deficiency in Children: Beyond 25-OH Vitamin D Serum Concentrations
... and vitamin D differ from those of ...for vitamin D intakes and using 25(OH)D to define the sufficiency state problem- atic in ...for vitamin D intakes of 400 IU with a ... See full document
5
Pseudohypoparathyroidism type Ia manifesting as intractable epilepsy in a 23-year-old female
... the parathyroid hormone; vitamin D deficiency, which could have resulted from lack of exposure to direct sunlight and her antiepileptic medication; and extensive calcium deposition in the ... See full document
6
Fibroblast growth factor 23 and parathyroid hormone after treatment with active vitamin D and sevelamer carbonate in patients with chronic kidney disease stage 3b, a randomized crossover trial
... markers of bone turnover: cross-linked N-telopeptides of bone type I collagen (NTx) as a bone-resorption marker and osteocalcin, bone-specific alkaline phosphatase (BALP) and intact N-terminal propeptide of type I ... See full document
8
Assessment of Plasma Levels of Bone Metabolism Biomarkers among HIV Infected Adult Patients in Ethiopia
... Bone constantly being repaired and remodeled throughout an individual’s lifetime [2]. This continuous remodelling undergoes through bone formation and bone resorption. These two processes are tightly coupled to each ... See full document
5
Changes in the vitamin D endocrine system and bone turnover after oral vitamin D3 supplementation in healthy adults: results of a randomised trial
... Low vitamin D status is commonly observed at northern latitudes such as in Scandinavia during wintertime, with a drop in serum concentrations of 25-hydroxyvitamin D (s-25(OH)D) and a ... See full document
8
Parathyroidectomy reduces 25 hydroxyvitamin D3 1 alpha hydroxylase activity in the hypocalcemic vitamin D deficient chick
... the vitamin D-deficient state the activity of 25-hydroxyvitamin D3-1 alpha-hydroxylase (25-OHD3-1 alpha-hydroxylase) is modulated by parathyroid hormone and the plasma concentration of ... See full document
8
The noncalcemic analogue of vitamin D, 22 oxacalcitriol, suppresses parathyroid hormone synthesis and secretion
... 4 d, calcium did not change in the rats receiving vehicle or OCT, but increased from ...bovine parathyroid cells, 10 nM OCT was as active as 10 nM 1,25-(OH)2D3, suppressing PTH release by ... See full document
6
Restoration of Parathyroid Responsiveness in Vitamin D—Deficient Rats by Parenteral Calcium or Dietary Lactose
... with vitamin D, calcium, or lactose on the responsiveness of vitamin D—deficient rats to parathyroid hormone were ...of vitamin D, parenteral calcium or dietary ... See full document
8
Primary Hyperparathyroidism: an Update and In-Depth Review of the Literature
... 1,25-dihydroxy Vitamin D, total alkaline phosphatase, or urinary calcium excretion ...either parathyroid surgery or hormone replacement ...intact parathyroid hormone levels ... See full document
14
Associations of fibroblast growth factor 23, vitamin D and parathyroid hormone with 5 year outcomes in a prospective primary care cohort of people with chronic kidney disease stage 3
... and vitamin D deficiency are independently associated with an increased risk of all-cause mortality in a cohort of people with CKD stage 3 recruited from primary ...treating vitamin D ... See full document
12
Is There any Relationship Between Serum Level of Vitamin D and Postoperative Hypocalcemia after total Thyroidectomy?
... [Parathyroid Hormone] Intact-PTH biomerica laboratory kit. Serum level of vitamin D was measured by immune-diagnostic ...and Vitamin D were surveyed in all ... See full document
5
Reduction of parathyroid hormone with vitamin D supplementation in blacks: a randomized controlled trial
... on vitamin D ...preexisting parathyroid, thyroid, or cal- cium metabolism disorders, sarcoidosis, requirement for calcium channel blockers, type I diabetes, active malig- nancies (other than ... See full document
9
Osteoporosis in Non Cholestatic Decompensated Chronic Liver Disease and Its co-relation with Vitamin D and Parathyroid Hormone Levels
... disease. In the era of liver transplantation, metabolic bone disease com- plicating CLD has become a major clinical problem. After liver trans- plantation the combination of high dose corticosteroids and immobilization ... See full document
100
Effect of Parathyroid Hormone on cAMP and 1,25-Dihydroxyvitamin D Formation and Renal Handling of Phosphate in Vitamin D-Dependent Rickets
... decreases slowly to normal as observed in our pa- tient.24 It has been postulated that vitamin D-de- pendent rickets is an inborn error of vitamin D metabolism due to a genetic defect in[r] ... See full document
7
Vitamin D3 differentially regulates parathyroid hormone/parathyroid hormone related peptide receptor expression in bone and cartilage
... negative vitamin D response element (VDRE) composed of directly repeated motifs separated by 3 bp that resemble elements found in genes upregu- lated by D3 ...bovine parathyroid extracts with the PTH ... See full document
10
Regulation by vitamin D metabolites of parathyroid hormone gene transcription in vivo in the rat
... hybridization. PreproPTH mRNA levels were less than 4% of basal at 48 h after 100 pmol 1,25(OH)2D3, with no increase in serum calcium. Gel blots showed that 1,25(OH)2D3 decreased preproPTH mRNA levels without any ... See full document
7
THE RELATIONSHIP BETWEEN VITAMIN D AND PARATHYROID HORMONE
... The effect of parathyroidectomy and parathyroid hormone administration upon the concentrations of plasma calcium and phosphate have been measured in vitamin D-deficient rats and the resu[r] ... See full document
8
Actions of parathyroid hormone in the vitamin D deficient dog
... Urinary hydroxyproline decreased after parathyroidectomy and increased with the subsequent administration of parathyroid extract, suggesting an action of parathyroid hormone on collagen [r] ... See full document
8
Effect of Parathyroid Hormone on Vitamin D Metabolism in Osteopetrosis
... ing forms and/or fragments of parathyroid hormone render measurement of immunoreactive parathy- roid hormone an uncertain index of parathyroid function.’4 As it has been demonstrated tha[r] ... See full document
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