Mar 11, 2020
In the present investigation we investigate the structural, spectral and Molecular Orbitals (MO’s) properties of Naringin compound.
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In the present investigation we investigate the structural, spectral and Molecular Orbitals (MO’s) properties of Naringin compound.
Composition of trabecular bone tissue may be positively influenced by Creatine supplementation
Composition of trabecular bone tissue may be positively influenced by Creatine supplementation
Amplify’d from www.ncbi.nlm.nih.gov
Lasers Med Sci. 2011 Aug 12. [Epub ahead of print]
Influence of creatine supplementation on bone quality in the ovariectomized rat model: an FT-Raman spectroscopy study.
de Souza RA, Xavier M, da Silva FF, de Souza MT, Tosato MG, Martin AA, de Melo Castilho JC, Ribeiro W, Silveira L Jr.
Source
Grupo de Estudos e Pesquisa em Ciências da Saúde, Instituto Federal de Educação, Ciência e Tecnologia do Sul de Minas Gerais, Muzambinho, MG, Brazil, [email protected].
Abstract
The influence of creatine (Cr) supplementation on cortical and trabecular bone from ovariectomized rats was studied using FT-Raman spectroscopy. The intensity of organic-phase Raman bands was compared to mineral phase ones. Twenty-one female Wistar rats aged 3 months were divided into three groups (n = 7 per group): ovariectomized (OVX), ovariectomized treated with creatine (CRE) and sham-operated (SHAM) groups. Creatine supplementation (300 mg kg(-1) day(-1)) was provided for 8 weeks, starting 12 weeks after ovariectomy. FT-Raman spectroscopy was performed on the right medial femoral mid-shaft (cortical bone) and third lumbar vertebral body (trabecular bone). The integrated intensities of mineral phase (phosphate and carbonate bands at 959 and 1,071 cm(-1), respectively) and organic phase (amide I band at 1,665 cm(-1)) Raman bands were analyzed. The mineral-to-matrix (phosphate/amide I), carbonate-to-phosphate, and carbonate-to-amide I ratios were analyzed to assess bone quality. The phosphate content on trabecular bone was higher in the CRE group than the OVX group (p < 0.05). No significant changes in mineral or organic phases on cortical bone were observed. A radiographic assessment of bone density was encouraging as the same findings were showed by Raman intensity of phosphate from cortical (r ( 2 ) = 0.8037) and trabecular bones (r (2) = 0.915). Severe ovariectomy-induced bone loss was confirmed by FT-Raman spectroscopy. The results suggest that the chemical composition of trabecular bone tissue may be positively influenced by Cr supplementation after ovariectomy.
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