The aim of our study was to evaluate the effects of the different probiotic strains, Lactobacillus plantarum LS/07 and Lactobacillus plantarum Biocenol LP96, on lipid metabolism and body weight in rats fed a high fat diet. Compared with the high fat diet group, the results showed that Lactobacillus plantarum LS/07 reduced serum cholesterol and LDL cholesterol, but Lactobacillus plantarum Biocenol LP96 decreased triglycerides and VLDL, while there was no change in the serum HDL level and liver lipids. Both probiotic strains lowered total bile acids in serum. Our strains have no significant change in body weight, gain weight, and body fat. These findings indicate that the effect of lactobacilli on lipid metabolism may differ among strains and that the Lactobacillus plantarum LS/07 and Lactobacillus plantarum Biocenol LP96 can be used to improve lipid profile and can contribute to a healthier bowel microbial balance.

This study shows an association between plasma lipid and lipoprotein levels and anthropometric parameters in abdominal obesity in young people, predominantly university students.

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Atherosclerosis and cancer are ranked among the most serious health problems in human medicine. Various predictive and etiological factors, biomarkers and molecular pathways of disease development and progression common to atherosclerosis and cancer suggest that the two most common diseases in worldwide dimension are far more closely aligned than previously believed. It is hypothesized that atherosclerosis and cancer are variants of a similar disease process. Shared disease progression in atherosclerosis and cancer is the emergence of similar novel approaches to therapy. On previous knowledge, it may be hypothesized that not only common approaches to therapy but also preventive strategies could be efficacious in both diseases. The results of in vitro and in vivo animal experiments, clinical and epidemiological studies and also the results of our experiments using animal experimental models of atherosclerosis and carcinogenesis indicate that probiotics, prebiotics, plants and their extracts and poly-unsaturated fatty acids could be effectively used in prevention of both atherosclerosis and colorectal cancer and decrease the disease risk. Future research should answer the question whether probiotic microorganisms and natural bioactive substances could effectively influence the molecular mechanisms in pathogenesis of atherosclerosis and cancer.