Abstract:
BACKGROUND:We examined the hypothesis that high FGF-23 levels early after transplantation contribute to the onset of hypophosphatemia, independently of parathyroid hormone (PTH) and other factors regulating phosphate metabolism. METHODS:We measured serum phosphate levels (sPi), renal tubular reabsorption of Pi (TmPi/GFR), estimated GFR (eGFR), intact PTH (iPTH), calcitriol, intact (int) and C-terminal (Cter) FGF-23, dietary Pi intake and cumulative doses of glucocorticoids in 69 patients 12 days (95% confidence interval, 10-13) after renal transplantation. RESULTS:Hypophosphatemia was observed in 43 (62%) of the patients 12 days after transplantation. Compared with non-hypophosphatemic subjects, their post-transplantation levels of intact and CterFGF-23 were higher (195 (108-288) vs 48 (40-64) ng/l, P<0.002 for intFGF-23; 205 (116-384) vs 81 (55-124) U/ml, P<0.002, for CterFGF-23). In all subjects, Cter and intFGF-23 correlated inversely with sPi (r=-0.35, P<0.003; -0.35, P<0.003, respectively), and TmPi/GFR (r=-0.50, P<0.001; -0.54, P<0.001, respectively). In multivariate models, sPi and TmPi/GFR were independently associated with FGF-23, iPTH and eGFR. Pre-transplant iPTH levels were significantly higher in patients developing hypophosphatemia after renal transplantation. Pre-transplant levels of FGF-23 were not associated with sPi at the time of transplantation. CONCLUSION:In addition to PTH, elevated FGF-23 may contribute to hypophosphatemia during the early post-renal transplant period.
journal_name
Eur J Endocrinoljournal_title
European journal of endocrinologyauthors
Trombetti A,Richert L,Hadaya K,Graf JD,Herrmann FR,Ferrari SL,Martin PY,Rizzoli Rdoi
10.1530/EJE-10-1150subject
Has Abstractpub_date
2011-05-01 00:00:00pages
839-47issue
5eissn
0804-4643issn
1479-683Xpii
EJE-10-1150journal_volume
164pub_type
杂志文章abstract::The present study examined the changes in mRNA levels of a pituitary-specific trans-acting factor, Pit-1, and prolactin during the rat estrous cycle. Total cytoplasmic RNA was analyzed by Northern blot and slot-blot hybridization to examine the prolactin mRNA level. Reverse transcription-polymerase chain reaction (RT-...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1320771
更新日期:1995-06-01 00:00:00
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journal_title:European journal of endocrinology
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更新日期:2002-12-01 00:00:00
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journal_title:European journal of endocrinology
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pub_type: 杂志文章,随机对照试验
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更新日期:2010-06-01 00:00:00
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pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:2005-01-01 00:00:00
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更新日期:2009-11-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章
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更新日期:2000-05-01 00:00:00
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pub_type: 临床试验,杂志文章
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更新日期:1994-04-01 00:00:00
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更新日期:1999-06-01 00:00:00