47 research outputs found
Traditional practices and perceptions of epilepsy among people in Roma communities in Bulgaria
PURPOSE: We attempted to identify cultural aspects of epilepsy among the Roma community in Bulgaria by elucidating cultural beliefs, traditional treatments, and potential markers of stigma. METHODS: We established representative discussion groups among five distinct Roma subgroups (Lom, Kalderas, Thracian Tinsmiths (Tinkers), Kyustendil Xoroxane and Kopanari) from different Bulgarian regions. Data about local beliefs and treatment strategies were gathered. RESULTS: Most people were familiar with convulsions but non-convulsive focal seizures were seen not as epileptic but mainly as a "mental problem". Beliefs about putative etiologies for epilepsy were not uniform as some considered environmental and external factors such as high environmental temperatures, electric shocks, loud music, and fever as causes of seizures while others listed bad experiences, stress, trauma, and fear as possible causes. Epilepsy was seen by some as a divine punishment or resulting from black magic. Most considered epilepsy shameful and an obstacle to children attending school. Despite local differences, there was a uniform belief that epilepsy is incurable by Western medicine and people usually resort to traditional healers. A variety of rituals performed by local healers to treat epilepsy were described. DISCUSSION: Misconceptions about epilepsy may contribute to stigmatization in this population; this may in turn contribute to a high treatment gap in this group. As a result, the majority of Roma children with epilepsy are likely to leave school early, are greatly limited in their choice of spouse (particularly girls), and marriages often occur between people with epilepsy or those with a family history of epilepsy
Improving osteoblasts cells proliferation via femtosecond laser surface modification of 3D-printed poly-ε-caprolactone scaffolds for bone tissue engineering applications
Synthetic polymer biomaterials incorporating cells are a promising technique for treatment of orthopedic injuries. To enhance the integration of biomaterials into the human body, additional functionalization of the scaffold surface should be carried out that would assist one in mimicking the natural cellular environment. In this study, we examined poly-epsilon-caprolactone (PCL) fiber matrices in view of optimizing the porous properties of the constructs. Altering the porosity of a PCL scaffold is expected to improve the material's biocompatibility, thus influencing its osteoconductivity and osteointegration. We produced 3D poly-epsilon-caprolactone (PCL) matrices by a fused deposition modeling method for bone and cartilage tissue engineering and performed femtosecond (fs) laser modification experiments to improve the surface properties of the PCL construct. Femtosecond laser processing is one of the useful tools for creating a vast diversity of surface patterns with reproducibility and precision. The processed surface of the PCL matrix was examined to follow the effect of the laser parameters, namely the laser pulse energy and repetition rate and the number (N) of applied pulses. The modified zones were characterized by scanning electron microscopy (SEM), confocal microscopy, X-ray computed tomography and contact angle measurements. The results obtained demonstrated changes in the morphology of the processed surface. A decrease in the water contact angle was also seen after fs laser processing of fiber meshes. Our work demonstrated that a precise control of material surface properties could be achieved by applying a different number of laser pulses at various laser fluence values. We concluded that the structural features of the matrix remain unaffected and can be successfully modified through laser postmodification. The cells tests indicated that the micro-modifications created induced MG63 and MC3T3 osteoblast cellular orientation. The analysis of the MG63 and MC3T3 osteoblast attachment suggested regulation of cells volume migration
DNA metabarcoding and spatial modelling link diet diversification with distribution homogeneity in European bats
Inferences of the interactions between species’ ecological niches and spatial distribution have
been historically based on simple metrics such as low-resolution dietary breadth and range
size, which might have impeded the identification of meaningful links between niche features
and spatial patterns. We analysed the relationship between dietary niche breadth and spatial
distribution features of European bats, by combining continent-wide DNA metabarcoding of
faecal samples with species distribution modelling. Our results show that while range size is
not correlated with dietary features of bats, the homogeneity of the spatial distribution of
species exhibits a strong correlation with dietary breadth. We also found that dietary breadth
is correlated with bats’ hunting flexibility. However, these two patterns only stand when the
phylogenetic relations between prey are accounted for when measuring dietary breadth. Our
results suggest that the capacity to exploit different prey types enables species to thrive in
more distinct environments and therefore exhibit more homogeneous distributions within
their rangesinfo:eu-repo/semantics/publishedVersio
Desmoglein autoantibodies and disease severity in pemphigus patients – correlations and discrepancies
Aim: To assess the correlation between the levels of anti-desmoglein-1 and anti-desmoglein-3 autoantibodies and disease severity in pemphigus patients. Materials and methods: Thirty-eight pemphigus patients aged 30 to 87 years were included in the study. All patients underwent clinical examination, pemphigus disease zone index assessment, histopathological and direct immunofluorescence tests, and assessment of desmoglein-1 and desmoglein-3 autoantibodies by enzyme-linked immunosorbent assay. Results: Twenty-eight out of 38 serum samples exceeded the cut-off value of anti-desmoglein-1, and 26 of 38 sera had positive anti-desmoglein-3 antibodies. One serum from 38 controls had positive anti-desmoglein-1 antibodies. Seven (18.4%) patients experienced a mild course of the disease, 16 (42.1%) patients experienced moderate, and 15 (39.5%) patients suffered from severe pemphigus. A significant correlation between disease severity and both autoantibody levels was observed, but there were exceptions. Conclusions: There is a significant correlation between anti-desmoglein antibodies and disease severity in the entire group, but there are also discrepancies in some cases
Small RNA Profile in Moso Bamboo Root and Leaf Obtained by High Definition Adapters
Moso bamboo (Phyllostachy heterocycla cv. pubescens L.) is an economically important fast-growing tree. In order to gain better understanding of gene expression regulation in this important species we used next generation sequencing to profile small RNAs in leaf and roots of young seedlings. Since standard kits to produce cDNA of small RNAs are biased for certain small RNAs, we used High Definition adapters that reduce ligation bias. We identified and experimentally validated five new microRNAs and a few other small non-coding RNAs that were not microRNAs. The biological implication of microRNA expression levels and targets of microRNAs are discussed
Molecules cooled below the Doppler limit
The ability to cool atoms below the Doppler limit -- the minimum temperature reachable by Doppler cooling -- has been essential to most experiments with quantum degenerate gases, optical lattices and atomic fountains, among many other applications. A broad set of new applications await ultracold molecules, and the extension of laser cooling to molecules has begun. A molecular magneto-optical trap has been demonstrated, where molecules approached the Doppler limit. However, the sub-Doppler temperatures required for most applications have not yet been reached. Here we cool molecules to 50 uK, well below the Doppler limit, using a three-dimensional optical molasses. These ultracold molecules could be loaded into optical tweezers to trap arbitrary arrays for quantum simulation, launched into a molecular fountain for testing fundamental physics, and used to study ultracold collisions and ultracold chemistry
The Impact of Social Transfers in Central and Eastern Europe
This paper analyses the impact of social transfers in seven Central and Eastern European countries using 16 datasets provided by the Luxembourg Income Study (Czech Republic 1992, 1996; Estonia 2000; Hungary 1991, 1994, 1999; Poland 1986, 1992, 1995, 1999; Romania 1995, 1997, Slovakia 1992, 1996; Slovenia 1997, 1999). The principal objective is (a) to provide an overview of the development of social inequality in Central and Eastern Europe; and (b) to quantify the change of poverty rates among the total population and among targeted groups (unemployment compensation, means-tested and family benefits beneficiaries) before and after transfers. The results of this paper show that although the access to these benefits is no guarantee for leaving poverty, social transfers significantly improve the economic conditions of families in need. Without the existence of these types of provisions, Central and Eastern European societies would not only be more unequal societies, but would be also more atomised and disaggregated societies. In the long run, this might seriously damage further reforms or the democratisation process itself