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1.
Article in Chinese | WPRIM | ID: wpr-506123

ABSTRACT

Objective To understand the situation of medical students' social adaptability and analyze its relationship with their family upbringing style.Methods A cross-sectional study was adopted,and the random sampling method was used to selected medical students as targeted population in a medical university in Jilin City.Parenting Style Assessment Scale and Social Adaptation Diagnostic Scale were applied to know the family rearing styles and social adaptability status of medical college students.Results Among the 198 responders,the proportion of good and strong social adaptability among medical college studies accounted for only 8.1% (16) and 2.0% (4);The social adaptation ability of the urban students and the only child students was higher than that of the rural and non only child students (P<0.05);In parental rearing pattems,regardless of sex,whether students were the only child and where their census register was,emotional warmth and understanding were all positively correlated with medical students' social adaptation ability (P<0.05),while refusal and denial were negatively correlated with medical students' social adaptation ability (P<0.05);In addition,the punishment,severe over protection and other parenting styles also showed a certain degree of negative correlation with social adaptability(P<0.05).Conclusion The social adaptability of medical students is poor,and their parenting styles was correlated with their social adaptation ability.Parents should give their children warmth and understanding,rather than rejection,denial,punishment,and overprotection,which will help to improve medical students' social adaptability.

2.
Article in Chinese | WPRIM | ID: wpr-302546

ABSTRACT

<p><b>OBJECTIVE</b>To realize the oxidative damage of kidney mitochondrial complex in obese rats induced by high-fat diet and investigate the protective effects of sulforaphane against the damage.</p><p><b>METHODS</b>Eighty-eight adult male SD rats were used, after 1 week adaptability feeding, 8 rats were selected as control group and given low-fat diet. The other 80 rats were given high-fat diet. After 2 weeks, the 32 diet-induced obesity models were choosen whose weight gain was higher than 40%. The 32 rats were randomly divided into 4 groups, i.e. high fat group, high fat+sulforaphane low dose group, high fat+sulforaphane middle dose group and high fat+sulforaphane high dose group. The rats in the sulforaphane low, middle and high dose groups were orally administered with sulforaphane 5, 10 and 20 mg/kg, all the 4 groups were kept feeding high-fat diet for 5 weeks. All rats were sacrificed and their kidneys were removed to assay the index of oxidative damages.</p><p><b>RESULTS</b>The content of ROS (0.26 ± 0.04) and MDA((0.87 ± 0.05) U/mg) in the hight-fat group were significantly higher than those in the control group((0.20 ± 0.02),(0.57 ± 0.08) U/mg)(t values were -3.02 and -4.72, P < 0.05). The activity of T-AOC((0.43 ± 0.04) U/mg) and MMP (12.09 ± 1.56) were lower than the control group ((0.48 ± 0.04 U/mg, (16.08 ± 3.12) )(t values were 2.06 and 2.28, P < 0.05). Gavage intervention with sulforaphane, the MDA amount ((0.67 ± 0.05), (0.55 ± 0.05), (0.56 ± 0.07) U/mg) in the sulforaphane low, middle and high dose groups were lower than the hight-fat group ((0.87 ± 0.05) U/mg (t values were 3.65, 5.71 and 5.60. P < 0.05). The activity of T-AOC ((0.49 ± 0.05), (0.55 ± 0.05), (0.54 ± 0.04) U/mg), T-SOD ((61.07 ± 2.79), (55.95 ± 2.39), (60.26 ± 6.02) U/mg) and the level of MMP ((17.17 ± 2.52), (18.24 ± 2.54), (18.21 ± 3.65)) were higher than in the high-fat group ((0.43 ± 0.04) U/mg,(47.22 ± 2.43) U/mg,(12.09 ± 1.56)) (tT-AOC values were -2.36, -4.83 and -4.30; tT-SOD values were -6.37, -4.71 and -5.99; tMMP values were -2.90, -3.52 and -3.50, P < 0.05). The activity of GSH-Px in the sulforaphane low and middle dose groups ((69.12 ± 8.63), (64.43 ± 6.58) U/mg) were higher than those in the high-fat group((53.03 ± 5.70) U/mg)(t values were -3.82 and -2.71, P < 0.05). But there were no significant difference between the high dose group ((60.02 ± 7.05) U/mg) and the high-fat group (t = -1.66, P > 0.05).</p><p><b>CONCLUSION</b>High-fat diet can induce the mitochondrial oxidative dysfunction in kidney, and sulforaphane shows protective effect on the kidney mitochondrial complex from oxidative damage in obese rats induced by high-fat diet.</p>


Subject(s)
Animals , Male , Rats , Diet , Diet, High-Fat , Isothiocyanates , Kidney , Mitochondria , Obesity , Oxidative Stress , Rats, Inbred Strains
3.
Article in Chinese | WPRIM | ID: wpr-560259

ABSTRACT

Objective:To explore the difference in susceptibility to high-fat diet induced obesity in rats,as well as the changes of serum proteins. Method:Forty male SD rats were divided into basic group and high-fat diet group randomly. After 5w feeding DIO(diet-induced obesity)and DIO-R(diet-induced obesity resistance) rats were selected according to their body weight gain. The rats were sacrificed and the changes of serum proteins were screened using WCX2 proteomic chips made by American Ciphergen Biosystems. Results: DIO rats were significantly different from DIO-R rats in body weight,body-fat ratio,blood glucose and blood lipids. At the molecular weight range between 2 to 100 ku,the proteins with molecular weight of 7 945 and 9 513 were significantly expressed differently between DIO and DIO-R rats,and the proteins with molecular weight of 4496, 6152, 6267 were significantly expressed differently between DIO-R and control rats (the rats were fed basic diet). Conclusion:Different susceptibility to DIO or DIO-R was found in SD rats when they were fed high-fat diet. The differentially expressed serum proteins between DIO rats and DIO-R were observed,which might provide the basis for further isolation,purification and identification of these proteins.

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