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Effects of C-Peptide Replacement Therapy on Bone Microarchitecture Parameters in Streptozotocin-Diabetic Rats.

Maurotti, Samantha (author)
Russo, Cristina (author)
Musolino, Vincenzo (author)
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Nucera, Saverio (author)
Gliozzi, Micaela (author)
Scicchitano, Miriam (author)
Bosco, Francesca (author)
Morittu, Valeria Maria (author)
Ragusa, Monica (author)
Mazza, Elisa (author)
Pujia, Roberta (author)
Gazzaruso, Carmine (author)
Britti, Domenico (author)
Valenti, Maria Teresa (author)
Deiana, Michela (author)
Romeo, Stefano, 1976 (author)
Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för molekylär och klinisk medicin,Institute of Medicine, Department of Molecular and Clinical Medicine
Giannini, Sandro (author)
Dalle Carbonare, Luca (author)
Mollace, Vincenzo (author)
Pujia, Arturo (author)
Montalcini, Tiziana (author)
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 (creator_code:org_t)
2020-06-30
2020
English.
In: Calcified tissue international. - : Springer Science and Business Media LLC. - 1432-0827 .- 0171-967X. ; 107, s. 266-280
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • C-peptide therapy protects against diabetic micro- and macrovascular damages and neuropatic complications. However, to date, the role of C-peptide in preventing diabetes-related bone loss has not been investigated. Our aim was to evaluate if C-peptide infusion improves bone quality in diabetic rats. Twenty-three male Wistar rats were randomly divided into three groups: normal control group; sham diabetic control group; diabetic plus C-peptide group. Diabetes was induced by streptozotocin injection and C-peptide was delivered subcutaneously for 6weeks. We performed micro-CT and histological testing to assess several trabecular microarchitectural parameters. At the end, diabetic plus C-peptide rats had a higher serum C-peptide (p=0.02) and calcium (p=0.04) levels and tibia weight (p=0.02) than the diabetic control group. The diabetic plus C-peptide group showed a higher trabecular thickness and cross-sectional thickness than the diabetic control group (p=0.01 and p=0.03). Both the normal control and diabetic plus C-peptide groups had more Runx-2 and PLIN1 positive cells in comparison with the diabetic control group (p=0.045 and p=0.034). Diabetic rats receiving C-peptidehad higher quality of trabecular bone than diabetic rats not receiving this treatment. If confirmed, C-peptide could have a role in improving bone quality in diabetes.

Subject headings

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Kardiologi (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)

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