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Blastocystis is a common protist colonizing the gastrointestinal tract of humans and various animals. The first subtyping of Blastocystis isolates in pigs and humans in Serbia revealed unusual avian‐specific subtype ST6 in humans. In total, 48 pig faecal specimens collected on seven pig farms and 50 human faecal specimens positive to Blastocystis by microscopic examination were selected for the study. Eleven randomly selected PCR‐positive pig samples and 10 samples from human patients (with gastrointestinal complaints) were subjected to SSU rDNA sequencing. Three subtypes were identified (ST3, ST5 and ST6) by phylogenetic analysis. ST5 was found in all pig samples; while in human samples, we detected ST3 and ST6. The latter subtype is relatively uncommon in Europe and highly adapted to avian hosts; therefore, the possibility of sporadic zoonotic transmission to human patients should not be ignored.

AbstractThe aim of the paper was to examine the correlation between the total risk of cardiovascular events, determined by the SCORE (Systematic Coronary Risk Evaluation) system, and bone density in postmenopausal women. Examinees and method: The research involved 300 postmenopausal women. On the basis of bone density measurements, the participants were divided into three groups: group I — 84 examinees had osteoporosis, group II — 115 examinees had osteopenia, and group III — 101 examinees had normal bone mineral density (BMD). Results: Participants with high SCORE risk were statistically significantly older compared to low-risk women (60±3 vs. 55±5; p<0.001). They had significantly lower BMD and T scores (−1.09±0.94 vs. −2.86±0.63; p<0.001). Elevation of the SCORE risk by 1% caused a BMD decrease of 0.033 g/cm2(0.029 to 0.036 gr/cm2). Multivariate logistic regression analysis showed that the following factors caused a significant increase in the risk of decreasing BMD: every year of life by 20%, menopause duration by 26%, increase in systolic blood pressure (BP) by 1 mm Hg by 7%, increase in SCORE risk by 1% by 5.31 times, physical inactivity by 5.96 times, and osteoporosis in the family history by 3.91 times. Conclusion: Postmenopausal women who are at high risk for cardiovascular diseases have a lower BMD than those who are not at high risk for cardiovascular diseases.

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Abstract. Blastocystis hominis (B. hominis) is an anaerobic, single-cell protozoan, commonly present in human and definitive characterization of Blastocystis spp. is possible at the molecular level only. The parasite is transferred by the fecal-oral route. A variety of hosts have been identified, and animal-to-human and vice versa transfers have been documented. The most common manifestations of the infection with the organism are diarrhea, abdominal pain, nausea, and bloating. This infection has also been associated with the irritable bowel syndrome (IBS), non-specific colitis