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C-peptide in dried ...
C-peptide in dried blood spots.
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Johansson, Jesper (författare)
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- Becker, Charlotte (författare)
- Lund University,Lunds universitet,Klinisk kemi, Malmö,Forskargrupper vid Lunds universitet,Clinical Chemistry, Malmö,Lund University Research Groups
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Persson, Nils (författare)
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- Fex, Malin (författare)
- Lund University,Lunds universitet,Celiaki och diabetes,Forskargrupper vid Lunds universitet,Celiac Disease and Diabetes Unit,Lund University Research Groups
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- Törn, Carina (författare)
- Lund University,Lunds universitet,Celiaki och diabetes,Forskargrupper vid Lunds universitet,Celiac Disease and Diabetes Unit,Lund University Research Groups
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(creator_code:org_t)
- 2010-07-05
- 2010
- Engelska.
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Ingår i: Scandinavian Journal of Clinical and Laboratory Investigation. - : Informa UK Limited. - 1502-7686 .- 0036-5513. ; 70, s. 404-409
- Relaterad länk:
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http://www.ncbi.nlm....
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visa fler...
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- Abstract The aim was to evaluate if the Dried Blood Spot (DBS)-technique can be used to analyse C-peptide. S-C-peptide and paired whole blood clotted on filters, dried, punched out and eluted were sampled from 198 healthy subjects. Six subjects with S-C-peptide values outside the reference range were excluded. A conversion formula using log-DBS-C-peptide was generated in a subset of 156 ( approximately 80%) subjects with predictions made using also storage time (eluates) and age of subjects: (log S-C-peptide = 1.696 + 1.367 log DBS-C-peptide + 0.058 (storage time/month) + 0.014 (age/10 years). This formula was cross validated into the original population. Using Bland-Altman plots, mean difference between converted log DBS-C-peptide and log S-C-peptide at baseline was 0 and limits of agreements were -0.18 to +0.18. Mean difference between converted log DBS-C-peptide values after six months and log S-C-peptide value from baseline was -0.01 and limits of agreement were -0.20-0.19. The lowest value detected with the DBS-technique corresponded to serum C-peptide 0.44 nmol/L. We concluded that DBS-C-peptide can be used as a first line screening test to monitor normal beta cell function. C-peptide on filters remained stable for six months.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Läkemedelskemi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Medicinal Chemistry (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Endokrinologi och diabetes (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Endocrinology and Diabetes (hsv//eng)
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- ref (ämneskategori)
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