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This work presents the realization of a PC unit for air transport focusing on design of particular parts and the design of the whole box. Particular variants of solution in this area are processed in form of 3D models, which is essential for the final composition of the PC unit as a harmonic unit with an eye-catching design. The proposal originated from the real need for computer transport by air. All aspects of this transport have been analyzed in detail and incorporated into this proposal.
A current problem of the population nowadays appears to be the lack of motor activity, the increase in BMI and the growth in stressogenic factors in the way of life of the population. This in turn affects the quality of human life and health. On a sample of university undergraduates (794 men and 1,169 women) we were observing the relation between overweight, namely the level of BMI gained via somatometric measurement, and the amount of subjectively evaluated level of motor activity, in their relation to the subjectively perceived extent of stress in their lifestyle, using the method of questionnaire. The results in both genders confirmed the existing relationship between BMI values and the degree of physical activity as well as the correlation between motor activity and subjectively perceived stress. As a result, the relationship between the variables motor activity and stress level did not prove significant.
Repeated dieting is one of the methods used for weight reduction; however, its effectiveness is questionable. We developed an experimental, rat model of repeated dieting, which mimics the dietary approach used in the treatment of obesity in humans. In this experimental model, despite the lower caloric intake, decreased body mass and reduced fat stores, the lipogenic potential of adipose tissue increased. We observed a substantial increase in fatty acid synthase (a key lipogenic enzyme) gene expression in rat adipose tissue accompanied by a 9-fold increase in the serum insulin level. Fatty acid synthase gene expression is controlled at the transcriptional level by SREBP-1. In this study, a remarkable increase (24-fold) in SREBP-1 protein amount, parallel to that in fatty acid synthase mRNA level, protein concentration and enzyme activity was observed after multiple cycles of fasting-refeeding. Although it is possible that the interactions between transcription factors are more complex, we propose that the pivotal role in the increase of the lipogenic potential of adipose tissue after repeated dieting may be played by SREBP-1.
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