Dietary Calcium Decreases Plasma Cholesterol Level only in Female but not in Male Hamster Fed a High Cholesterol Diet

MA Ka Ying; LIANG Yin Tong; CHEN Jing Nan; JIANG Yue; KWAN Kin Ming; PENG Cheng; JIAO Rui; ZUO Yuan Yuan; HUANG Yu; CHEN Zhen Yu

doi:10.3967/0895-3988.2012.04.003

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Volume 25 Issue 4

Aug. 2012

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Article Navigation > Biomedical and Environmental Sciences > 2012 > 25(4): 392-398

MA Ka Ying, LIANG Yin Tong, CHEN Jing Nan, JIANG Yue, KWAN Kin Ming, PENG Cheng, JIAO Rui, ZUO Yuan Yuan, HUANG Yu, CHEN Zhen Yu. Dietary Calcium Decreases Plasma Cholesterol Level only in Female but not in Male Hamster Fed a High Cholesterol Diet[J]. Biomedical and Environmental Sciences, 2012, 25(4): 392-398. doi: 10.3967/0895-3988.2012.04.003

Citation:

MA Ka Ying, LIANG Yin Tong, CHEN Jing Nan, JIANG Yue, KWAN Kin Ming, PENG Cheng, JIAO Rui, ZUO Yuan Yuan, HUANG Yu, CHEN Zhen Yu. Dietary Calcium Decreases Plasma Cholesterol Level only in Female but not in Male Hamster Fed a High Cholesterol Diet[J]. Biomedical and Environmental Sciences, 2012, 25(4): 392-398. doi: 10.3967/0895-3988.2012.04.003

Dietary Calcium Decreases Plasma Cholesterol Level only in Female but not in Male Hamster Fed a High Cholesterol Diet

doi: 10.3967/0895-3988.2012.04.003

Food & Nutritional Sciences Programme, School of Life Sciences, The Chinese University of Hong Kong, Shatin,NT, Hong Kong, China
Department of Biology and Kwong Living Trust Food Safety & Analysis Laboratory,Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China

Funds: Hong Kong Research Grant Council(CUHK 4622/08M)

Abstract

Objective To investigate the effect of dietary calcium on plasma lipoprotein profile in castrated and ovariectomized hamsters.Methods Male,castrated,female and ovariectomized hamsters (n=36 each group) were randomly divided into three sub-groups (n=12) and fed one of the three diets containing 0,2,and 8 g calcium per kg diet for a period of six weeks.Changes in plasma lipoprotein profile were monitored at the end of week 0,3 and 6.Results Plasma total cholesterol (TC),non-high density lipoprotein cholesterol (non-HDL-C),triacylglycerols (TG) and TC/HDL-C were decreased only in intact female and ovariectomized hamsters.In contrast,three levels of dietary calcium had no effect on lipoprotein profiles in both intact male and castrated hamsters.Conclusion Beneficial modification of lipoprotein profile by dietary calcium was gender-dependent at least in hamsters.
- Calcium,
- Cholesterol,
- Triacylglycerols,
- Fecal sterols
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Dietary Calcium Decreases Plasma Cholesterol Level only in Female but not in Male Hamster Fed a High Cholesterol Diet

doi: 10.3967/0895-3988.2012.04.003

Food & Nutritional Sciences Programme, School of Life Sciences, The Chinese University of Hong Kong, Shatin,NT, Hong Kong, China

Department of Biology and Kwong Living Trust Food Safety & Analysis Laboratory,Hong Kong Baptist University, Kowloon Tong, Hong Kong, China

School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China

Funds: Hong Kong Research Grant Council(CUHK 4622/08M)

Key words:

Abstract: Objective To investigate the effect of dietary calcium on plasma lipoprotein profile in castrated and ovariectomized hamsters.Methods Male,castrated,female and ovariectomized hamsters (n=36 each group) were randomly divided into three sub-groups (n=12) and fed one of the three diets containing 0,2,and 8 g calcium per kg diet for a period of six weeks.Changes in plasma lipoprotein profile were monitored at the end of week 0,3 and 6.Results Plasma total cholesterol (TC),non-high density lipoprotein cholesterol (non-HDL-C),triacylglycerols (TG) and TC/HDL-C were decreased only in intact female and ovariectomized hamsters.In contrast,three levels of dietary calcium had no effect on lipoprotein profiles in both intact male and castrated hamsters.Conclusion Beneficial modification of lipoprotein profile by dietary calcium was gender-dependent at least in hamsters.

Citation:

MA Ka Ying, LIANG Yin Tong, CHEN Jing Nan, JIANG Yue, KWAN Kin Ming, PENG Cheng, JIAO Rui, ZUO Yuan Yuan, HUANG Yu, CHEN Zhen Yu. Dietary Calcium Decreases Plasma Cholesterol Level only in Female but not in Male Hamster Fed a High Cholesterol Diet[J]. Biomedical and Environmental Sciences, 2012, 25(4): 392-398. doi: 10.3967/0895-3988.2012.04.003