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Int J Endocrinol
2016 Jan 01;2016:3797139. doi: 10.1155/2016/3797139.
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The Influence of Alcohol Consumption in Conjunction with Sex Hormone Deficiency on Ca/P Ratio in Rats.
Lodi KB
,
Marchini AM
,
Santo AM
,
Rode Sde M
,
Marchini L
,
da Rocha RF
.
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Deficiency of sex hormones and excessive alcohol consumption are factors that have been related to alterations in the pattern of bone mineralization and osteoporosis. The aim of this study was to evaluate possible alterations in the calcium/phosphorus (Ca/P) ratio in the femur of rats subjected to sex hormone deficiency and/or alcohol consumption. Methods. Female and male Wistar rats (n = 108) were divided into ovariectomized (Ovx), orchiectomized (Orx), or sham-operated groups and subdivided according to diet: alcoholic diet (20% alcohol solution), isocaloric diet, and ad libitum diet. The diets were administered for 8 weeks. The Ca/P ratio in the femur was analyzed by energy dispersive micro-X-ray spectrometer (μEDX). Results. Consumption of alcohol reduced the Ca/P ratio in both females and males. The isocaloric diet reduced the Ca/P ratio in females. In groups with the ad libitum diet, the deficiency of sex hormones did not change the Ca/P ratio in females or males. However, the combination of sex hormone deficiency and alcoholic diet presented the lowest values for the Ca/P ratio in both females and males. Conclusions. There was a reduced Ca/P ratio in the femur of rats that consumed alcohol, which was exacerbated when combined with a deficiency of sex hormones.
Figure 1. Weight changes (%): the graph illustrates the values of the averages (bars) and standard deviations (lines superimposing the bars). Statistical comparisons are summarized as follows: females: comparison between most of the groups showed no significant differences (NS). Statistical significances (p < 0.05) (∗) were observed in the following groups: G1/G3 (∗); G2/G3 (∗); G4/G3 (∗); G5/G3 (∗). Males: comparison between most of the groups showed no significant differences (NS). Statistical significances (p < 0.05) (∗) were observed in the following groups: G9/G7 (∗); G9/G8 (∗); G9/G11 (∗); G12/G7 (∗); G12/G8 (∗); G12/G11 (∗).
Figure 2. Ca (%): the graph illustrates the values of the averages (bars) and standard deviations (lines superimposing the bars). Statistical comparisons are summarized as follows: females: comparison between most of the groups showed statistical significance (p < 0.05). No significant differences (NS) were observed in the following groups: G2/G6 (NS); G4/G5 (NS). Males: comparison between most of the groups showed statistical significance (p < 0.05). No significant differences (NS) were observed in the following groups: G9/G12 (NS); G10/G7 (NS); G10/G8 (NS).
Figure 3. P (%): the graph illustrates the values of the averages (bars) and standard deviations (lines superimposing the bars). Statistical comparisons are summarized as follows: females: comparison between most of the groups showed statistical significance (p < 0.05). No significant differences (NS) were observed in the following groups: G1/G5 (NS); G2/G3 (NS); G2/G4 (NS), G3/G4 (NS). Males: comparison between most of the groups showed statistical significance (p < 0.05). No significant differences (NS) were observed between the following groups: G10/G12 (NS); G9/G10 (NS); G9/G12 (NS).
Figure 4. Ca/P: the graph illustrates the values of the averages (bars) and standard deviations (lines superimposing the bars). Statistical comparisons are summarized as follows: females: comparison between most of the groups showed statistical significance (p < 0.05). No significant differences (NS) were observed in the following groups: G3/G6 (NS). Males: comparison between most of the groups showed statistical significance (p < 0.05). No significant differences (NS) were observed in the following groups: G12/G9 (NS); G12/G11 (NS).
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