86 research outputs found
Uwagi na tle wyroku Wojewódzkiego Sądu Administracyjnego w Poznaniu z dnia 4 listopada 2016 r. (sygn. IV SA/Po 495/16)
217228
Analyses of the Polymorphisms in E. coli Strains Associated with Heat-Shock Proteins Hsp 55 Isolated from Bird Feathers
The bird feathers are often colonized by pathogenic microorganisms including mainly bacteria of the E. coli species. There is a grooving evidence that due to colonization of the pathogenic bacteria after slaughter material may lead to different zoonosis diseases that endanger human health. Poultry diseases are a very important issue both economically and epidemiologically in each country. Currently, in practice, EU postmortem monitoring programs are often used to eliminate breeding poultry infected with different pathogenic microorganisms, e.g., E. coli by introducing mandatory bird vaccination. The article describes the combination of genetic and genomic methods that were used in the analysis of species specificity of strains and their genomes, including specific pathogenic bacteria in bird feathers. The aim of the study was (i) to investigate DNA polymorphisms of the obtained bacterial strains isolated from avian feathers (ii) obtaining recombinant Hsp55 protein and defining its role as a potential component of vaccines used in poultry diseases. For the detection and analysis of DNA polymorphisms, we have optimized a new innovative method based on the deficiencies of three molecular techniques, AFLP, PCR-MP, and PCR MP. This new method can be a useful tool used in the genotyping of bacterial E. coli serotypes present on avian feathers after the slaughter process. It also allows to effectively identify a number of early stages of infectious diseases from heterogeneous avian research material. Amplification of polymorphic regions was achieved by using a lower denaturation temperature of the primers and a reduction in the number of cycles in the classical PCR, which simplifies the procedure, preserving the quality and reproducibility of the obtained results. Research of recombinant Hsp55 protein has allowed us to determine the optimal conditions for its production by the classical methods used in proteomic analysis
Kidney injury by cyclosporine A is aggravated in heme oxygenase-1 deficient mice and involves regulation of microRNAs
Uczeń z Zespołem Aspergera w szkole ogólnodostępnej
Poradnik „Uczeń z Zespołem Aspergera w szkole ogólnodostępnej” powstał z myślą o nauczycielach, którzy w wśród swoich uczniów mają osoby z zespołem Aspergera. Sytuacja taka jest spotykana coraz częściej, gdyż liczba dzieci z taką diagnozą systematycznie rośnie. Do lektury poradnika zapraszamy także dyrektorów placówek oraz specjalistów: psychologów, pedagogów, terapeutów, którzy mają pod opieką uczniów z zespołem Aspergera i uczestniczą w organizacji pracy edukacyjno-terapeutycznej. Mamy nadzieję, że publikacja będzie źródłem wielu informacji i inspiracji do codziennej pracy z uczniem z zespołem Aspergera, a także z całą klasą
Immunotherapy or targeted therapy as first-line treatment of patients with advanced/metastatic melanoma with the BRAF mutation — a single-center analysis
Introduction. One of the most important achievements of contemporary oncology is the discovery of new therapeutic possibilities: targeted therapy and immunotherapy associated with checkpoint inhibitors. It has not been unequivocally determined so far which therapy should be used as first-line treatment in patients with advanced/metastatic melanoma with the BRAF mutation.
Material and methods. 137 patients with advanced/metastatic melanoma with the BRAF mutation were analyzed. They received anti-PD1-1 therapy (IT) or molecularly targeted therapy iBRAF ± iMEK (TT) as first-line treatment in the scope of the national drug program. IT and TT therapies used as first-line treatment were compared.
Results. Median OS and PFS in the group were 14.0 and 7.3 months. Unfavorable prognostic factors for OS and PFS were metastases to the central nervous system, increased LDH levels and performance status > 1. Metastatic sites in > 2 locations were only unfavorable prognostic factors for OS. A statistically significant difference was found between TT and IT for OS (p = 0.0011; median for TT was 12.6 months and was not reached for IT). It should be noted that the group treated with TT was characterized by a worse prognostic factors. No differences in PFS were observed (p = 0.292, medians 7.2 and 9.0 months, respectively).
Conclusion. In patients with advanced/metastatic melanoma with a BRAF mutation without rapid progression, IT should be considered as first-line therapy.Introduction. One of the most important achievements of contemporary oncology is the discovery of new therapeutic possibilities: targeted therapy and immunotherapy associated with checkpoint inhibitors. It has not been unequivocally determined so far which therapy should be used as first-line treatment in patients with advanced/metastatic melanoma with the BRAF mutation.
Material and methods. 137 patients with advanced/metastatic melanoma with the BRAF mutation were analyzed. They received anti-PD1-1 therapy (IT) or molecularly targeted therapy iBRAF ± iMEK (TT) as first-line treatment in the scope of the national drug program. IT and TT therapies used as first-line treatment were compared.
Results. Median OS and PFS in the group were 14.0 and 7.3 months. Unfavorable prognostic factors for OS and PFS were metastases to the central nervous system, increased LDH levels and performance status > 1. Metastatic sites in > 2 locations were only unfavorable prognostic factors for OS. A statistically significant difference was found between TT and IT for OS (p = 0.0011; median for TT was 12.6 months and was not reached for IT). It should be noted that the group treated with TT was characterized by a worse prognostic factors. No differences in PFS were observed (p = 0.292, medians 7.2 and 9.0 months, respectively).
Conclusion. In patients with advanced/metastatic melanoma with a BRAF mutation without rapid progression, IT should be considered as first-line therapy
Exploring factors influencing depression among Polish nurses during the COVID-19 pandemic
ObjectivesThe COVID-19 pandemic has been recognized as an international public health emergency. The aim of our study was to identify contributors to nurses’ depression.MethodsThis survey-based study was conducted in the Pomeranian Medical University Hospital no. 1 in Szczecin and involved 207 nurses. The following standardized research instruments were applied: the World Assumptions Scale, the Athens Insomnia Scale, the Impact of Event Scale - Revised, the Patient Health Questionnaire-9, the Generalized Anxiety Disorder, the Perceived Stress Scale, and a questionnaire of our own authorship.ResultsThe study showed that 72.95% of the subjects experienced severe stress, and 40.58% suffered from insomnia. In addition, 65.7% of the respondents had anxiety symptoms of varying degrees of severity, and 62.8% had depressive symptoms of mild to severe severity. The mean score on the IES-R scale, reflecting a psychological impact of the COVID-19 pandemic, was 34.25. The COVID-19 pandemic affected the psychological health of medical staff, particularly through increased stress and anxiety symptoms. Anxiety levels and insomnia significantly affect the prevalence of depression among nurses.ConclusionThe COVID-19 pandemic has been recognized as an international public health emergency. The COVID-19 pandemic affected the psychological health of medical staff, particularly through increased stress and anxiety symptoms. It is important to conduct further research after the COVID-19 pandemic has ended
The impact of artificial sweeteners on the risk and course of large intestinal adenocarcinoma in the elderly
There are many confirmed risk factors for development of the colorectal cancer, which is one of the most common malignant tumor among both females and males. Moreover, it is a cause of significant percentage of all cancer-related deaths. Even with treatment, the 5-year survival rate is very low. We concentrate on impact of artificial sweeteners on risk and course of adenocarcinoma of colon
Lipemia poposiłkowa — problem kliniczny i potencjalne miejsce w algorytmach diagnostycznych Stanowisko polskich ekspertów
The following elaboration presents positions of experts from various, mainly European scientific societies regarding
utility of postprandial hypertriglyceridemia (HTG) in predicting cardiovascular (CV) risk. New studies and different categories
of patients have been included. The following text has been based mainly on 2019 European Society of Cardiology
and European Atherosclerosis Society guidelines regarding the management of dyslipidemia, as well as the 2019
international expert panel document. The position of Polish experts on using oral fat tolerance test in clinical practice
has also been presented. Remaining problem is to assess potential usefulness of postprandial HTG in estimation of CV
risk and to determine whether performing the oral fat tolerance test, that involves consumption of a standard high-fat
preparation followed by blood collection at indicated time intervals, can improve CV risk assessment. Although importance
of postprandial HTG in the assessment of atherogenic risk is increasingly well documented, there is still need for
further research.W poniższym opracowaniu przedstawiono stanowiska ekspertów z różnych towarzystw, głównie europejskich, dotyczące roli hipertriglicerydemii (HTG) poposiłkowej w przewidywaniu ryzyka sercowo-naczyniowego (CV). Uwzględniono nowe badania i różne kategorie pacjentów. Oparto się głównie na wytycznych European Society of Cardiology i European Atherosclerosis Society z 2019 roku, dotyczących postępowania w dyslipidemii, oraz panelu Postprandial hypertriglyceridaemia revisited in era of non-fasting lipid profile testing: a 2019 Expert Panel Statement, main text. Przedstawiono także stanowisko polskich ekspertów stosujących doustny test tolerancji tłuszczów w praktyce klinicznej. Problemem pozostaje ocena roli HTG w szacowaniu ryzyka CV oraz ustalenie, czy spożycie standardowego wysokotłuszczowego preparatu, a następnie pobranie krwi we wskazanym przedziale czasowym, czyli doustny test tolerancji tłuszczów, może poprawić ocenę ryzyka CV. Znaczenie HTG poposiłkowej w ocenie ryzyka aterogennego jest coraz lepiej udokumentowane, jakkolwiek istnieje potrzeba dalszych badań
Personality traits and risk of eating disorders among Polish women: the moderating role of self-esteem
ObjectivesPersonality traits should be taken into account when diagnosing individuals with disordered eating behaviors in the hope of better understanding their etiology and symptom progression and when planning treatment. The objective of this study was to attempt to determine the moderating role of self-esteem in the relationships between personality traits included in the Big Five model among Polish women and estimated risk of eating disorders.MethodsThe study was conducted among 556 Polish women from Zachodniopomorskie Voivodeship. The average age of the women under study was 34 years. A diagnostic survey was used as the research method, and the empirical data were collected using the following research tools: The NEO Five-Factor Inventory (NEO-FFI), Rosenberg Self-Esteem Scale (SES), ORTO – 15 Questionnaire, The Three-Factor Eating Questionnaire (TFEQ-13), and the authors’ original questionnaire. A multivariate linear regression analysis was conducted to examine the influence of selected independent variables. The assumptions for the linear regression model were satisfied, as indicated by the Ramsey Regression Equation Specification Error Test, White’s test, and the Jarque-Bera test.ResultsOnly the personality trait of neuroticism exhibits a statistically significant effect on the “Cognitive Restraint of Eating,” “Uncontrolled Eating,” and “Emotional Eating” scores (p < 0.001). The moderation effect was demonstrated between self-esteem and the personality trait of conscientiousness on the “Cognitive Restraint of Eating” scale score. There is a moderation effect between self-esteem and the personality trait of extraversion on the “Uncontrolled Eating” subscale score. There is a moderation effect between self-esteem and the personality trait of conscientiousness on the “Uncontrolled Eating” scale score.ConclusionSelf-esteem was not a predictor of the occurrence of risk of eating disorders while playing a moderating role in the relationship between certain personality traits and estimated risk of eating disorders. A higher level of neuroticism was identified as an important predictor of higher results for orthorexia, Cognitive Restraint of Eating, Uncontrolled Eating, and Emotional Eating. It was also demonstrated that the orthorexia risk index decreased with increased extraversion and openness to experience. The results of this study suggest that eating behaviors and psychological factors should be included in psychological interventions in the treatment of eating disorders. The clinical goal can be considered to be an improvement in non-normative eating behaviors, such as a reduction in overeating episodes or eating less frequently in the absence of a hunger feeling. In order to assist these individuals in their attempts to achieve healthy behaviors, variables related to mental functioning can be then identified as important goals to support individuals in their efforts to change health behaviors by achieving better mental well-being
SYK inhibition targets acute myeloid leukemia stem cells by blocking their oxidative metabolism
Spleen tyrosine kinase (SYK) is an important oncogene and signaling mediator activated by cell surface receptors crucial for acute myeloid leukemia (AML) maintenance and progression. Genetic or pharmacologic inhibition of SYK in AML cells leads to increased differentiation, reduced proliferation, and cellular apoptosis. Herein, we addressed the consequences of SYK inhibition to leukemia stem-cell (LSC) function and assessed SYK-associated pathways in AML cell biology. Using gain-of-function MEK kinase mutant and constitutively active STAT5A, we demonstrate that R406, the active metabolite of a small-molecule SYK inhibitor fostamatinib, induces differentiation and blocks clonogenic potential of AML cells through the MEK/ERK1/2 pathway and STAT5A transcription factor, respectively. Pharmacological inhibition of SYK with R406 reduced LSC compartment defined as CD34+CD38-CD123+ and CD34+CD38-CD25+ in vitro, and decreased viability of LSCs identified by a low abundance of reactive oxygen species. Primary leukemic blasts treated ex vivo with R406 exhibited lower engraftment potential when xenotransplanted to immunodeficient NSG/J mice. Mechanistically, these effects are mediated by disturbed mitochondrial biogenesis and suppression of oxidative metabolism (OXPHOS) in LSCs. These mechanisms appear to be partially dependent on inhibition of STAT5 and its target gene MYC, a well-defined inducer of mitochondrial biogenesis. In addition, inhibition of SYK increases the sensitivity of LSCs to cytarabine (AraC), a standard of AML induction therapy. Taken together, our findings indicate that SYK fosters OXPHOS and participates in metabolic reprogramming of AML LSCs in a mechanism that at least partially involves STAT5, and that SYK inhibition targets LSCs in AML. Since active SYK is expressed in a majority of AML patients and confers inferior prognosis, the combination of SYK inhibitors with standard chemotherapeutics such as AraC constitutes a new therapeutic modality that should be evaluated in future clinical trials
- …