Publication: Nephrectomy Does not Exacerbate Cancellous Bone loss in Thalassemic Mice
Issued Date
2020-12-01
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20452322
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2-s2.0-85084324460
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Mahidol University
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SCOPUS
Bibliographic Citation
Scientific Reports. Vol.10, No.1 (2020)
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Sutada Lotinun, Korakot Atjanasuppat, Jutatip Limsuvech, Asada Leelahavanichkul, Saovaros Svasti, Nateetip Krishnamra Nephrectomy Does not Exacerbate Cancellous Bone loss in Thalassemic Mice. Scientific Reports. Vol.10, No.1 (2020). doi:10.1038/s41598-020-64681-2 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/56355
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Title
Nephrectomy Does not Exacerbate Cancellous Bone loss in Thalassemic Mice
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Abstract
© 2020, The Author(s). Patients with β-thalassemia have an increased risk of developing chronic kidney disease which is associated with osteoporosis and periodontitis. The purpose of this study was to evaluate mandibular and femoral bone change in heterozygous β-globin knockout (BKO) mice following 5/6 nephrectomy (Nx). Female and male BKO mouse blood smears demonstrated microcytic hypochromic anemia. Serum urea nitrogen, creatinine, calcium, and phosphorus levels were not changed in BKO mice. Nx increased the serum levels of urea nitrogen in both wild type (WT) and BKO mice and the level was much higher in BKO males. Serum level of creatinine was increased in Nx WT but not BKO mice. However, serum calcium and phosphorus levels were not altered. Nx induced comparable renal fibrosis in BKO mice and WT controls. Bone loss was observed in mandibular cancellous bone but not cortical bone of both male and female BKO mice. Nx decreased cancellous bone volume and cortical thickness in WT. Interestingly, BKO mice were resistant to Nx-induced cancellous bone loss. However, cortical thickness and cortical bone mineral density were reduced in Nx male BKO mice. Nx increased mRNA levels of type I collagen, Osx and Trap in WT but not BKO mice. Similarly, Nx reduced cancellous bone volume in femurs and increased osteoblast number and osteoclast number in WT not BKO mice. Serum FGF23 and erythropoietin levels were markedly increased in BKO mice. Nx decreased serum erythropoietin but not FGF23 levels. Since WT treated with erythropoietin exhibited a significant reduction in cancellous bone volume, it was possible that lower level of erythropoietin in Nx BKO mice prevented the Nx-induced cancellous bone loss.