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Ferritinemia during type 1 Gaucher disease: Mechanisms and progression under treatment.
MedLine Citation:
PMID:  22560483     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Earlier results highlighted hyperferritinemia during type-1 Gaucher disease (GD), but its potential mechanisms and long-term progression remained unexamined. METHODS: We analyzed the clinical, biological and iron characteristics of type-1 GD patients, before and after starting enzyme-replacement therapy (ERT). Iron parameters under ERT were subjected to linear-regression analyses. RESULTS: Serum ferritin (median 739 [46-2371] μg/L) was determined for 54 patients (21 (39%) males; median age 32 [range 12-73] years) before ERT; it exceeded 300μg/L in 47 (87%), while the other iron parameters always remained normal: transferrin saturation coefficient (26 [16-42]), serum iron at 13 [6-22] mmol/L and transferrin at 2.4 [2,3] g/L. Four patients had mild elevation of liver transaminases, with C-reactive protein >20mg/l in two. The absence of hemolysis was accompanied by a median bilirubin of 9μmol/L and lactate dehydrogenase at 250IU/L; diabetes and lipid anomalies were not observed. Clinical, biological and iron parameters at GD diagnosis were comparable for the 12 and 42 patients with ferritinemia ≤400 and >400μg/L, respectively. Ferritinemia was measured at least once for 46 patients after ERT onset (median treatment duration 90 [3-204] months). At study closure, median serum ferritin was 187.5 [11-1560] μg/L, exceeding 300μg/L in 15 (33%) patients, while the other iron parameters were normal. Among the latter, only the mean±SD ferritinemia slope decreased significantly under ERT (-1.9±0.3%/month; p<0.001). CONCLUSION: Hyperferritinemia is a specific GD characteristic and serum ferritin monitoring could be informative during follow-up.
Authors:
Arsène Mekinian; Jérôme Stirnemann; Nadia Belmatoug; Djazia Heraoui; Bruno Fantin; Olivier Fain; Agnès Charpentier; Christian Rose
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-3
Journal Detail:
Title:  Blood cells, molecules & diseases     Volume:  -     ISSN:  1096-0961     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9509932     Medline TA:  Blood Cells Mol Dis     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Inc. All rights reserved.
Affiliation:
Service de Médecine Interne, Centre de Référence des Maladies Lysosomales, Hôpital Jean-Verdier, AP-HP, Université Paris XIII, Avenue du 14 juillet, 93140 Bondy, France.
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