Der Einfluss von Clozapin, N-Desmethylclozapin und Chlorpromazin auf die in-vitro-Produktion von Thromboxan

Die Hypothese, dass das AP Clozapin, ebenso wie dessen Metabolit NDMC die Produktion von TxA2 beeinfluss könnten, stellten wir nach ausführlicher Literaturrecherche auf. Letztere zeigte, dass bereits beim ersten AP CPZ eine reduzierende Wirkung auf die TxA2-Produktion nachgewiesen werden konnte. TxA2 und die Aktivierung seines Rezeptors modulieren Vasokonstriktion und Thrombozytenaggregation. Weiterhin nehmen sie Einfluss auf dopaminerge und serotonerge Signalwege. In der Pathophysiologie der Schizophrenie spielen eben diese eine bedeutende Rolle und stellen somit Zielstrukturen für APs dar. Um die Konzentration von TxB2, dem Metaboliten des instabilen Moleküls TxA2 in stimulierten und unstimulierten Blutproben 10 gesunder Probandinnen zu messen, verwendeten wir ein Vollblutverfahren. Um signifikante Ergebnisse zu erhalten, stimulierten wir die Proben mit TSST-1 oder dem monoklonalen Antikörper OKT3 (Muromonab-CD3), der gegen das Oberflächenantigen CD3 gerichtet ist, kombiniert mit dem monoklonalen Antikörper 5C3, der mit dem Protein CD40 interagiert und es stimuliert. Weiterhin versetzten wir das Blut mit den APs CPZ, Clozapin oder NDMC in einer von vier verschiedenen Konzentrationen. Außerdem wurden die Thromboxanspiegel im Blut ohne Zusatz von APs unter verschiedenen Stimulationskonditionen gemessen. Durch den Zusatz von Clozapin in den verschiedenen Konzentrationen kam es zu einer signifikanten (p<0.05) Verringerung der TxB2-Produktion in den mit TSST-1 und ebenso in den mit OKT3/5C3 versetzen Proben, was wir im Rahmen unserer Studie feststellen konnten. Weiterhin konnten wir zeigen, dass CPZ in sehr niedriger Konzentration die TxB2-Spiegel im unstimulierten und im mit TSST-1 stimulierten Blut reduziert. Daraus lässt sich schlussfolgern, dass Clozapin, NDMC und CPZ auch über eine Modulation der TxA2- und TxB2-Produktion das Neurotransmittersystem beeinflussen könnten. Auch typische Nebenwirkungen der AP, wie zum Beispiel die orthostatische Hypotension, könnten aus den Veränderungen der TxA2- und TxB2-Konzentrationen resultieren

The Potential of Technology-Based Psychological Interventions for Anorexia and Bulimia Nervosa: A Systematic Review and Recommendations for Future Research

Background: Previous studies have shown an unmet need in the treatment of eating disorders. In the last decade, interest in technology-based interventions (TBIs) (including computer-and Internet-based interventions [CBIs] or mobile interventions) for providing evidence-based therapies to individuals with different mental disorders has increased. Objective: The aim of this review was to systematically evaluate the potential of TBIs in the field of eating disorders, namely for anorexia nervosa (AN) and bulimia nervosa (BN),for both prevention and treatment, and also for carers of eating disorder patients. Methods: A systematic literature search was conducted using Medline and PsycINFO. Bibliographies of retrieved articles were also reviewed without date or study type restrictions. Results: Forty studies resulting in 45 publications reporting outcomes fulfilled the inclusion criteria: 22 randomized controlled trials, 2 controlled studies, and 16 uncontrolled studies. In total, 3646 patients were included. Overall, the studies provided evidence for the efficacy of guided CBIs, especially for BN patients and for compliant patients. Furthermore, videoconferencing also appeared to be a promising approach. Evaluation results of Internet-based prevention of eating disorders and Internet-based programs for carers of eating disorder patients were also encouraging. Finally, there was preliminary evidence for the efficacy of mobile interventions. Conclusions: TBIs may be an additional way of delivering evidence-based treatments to eating disorder patients and their use is likely to increase in the near future. TBIs may also be considered for the prevention of eating disorders and to support carers of eating disorder patients. Areas of future research and important issues such as guidance, therapeutic alliance, and dissemination are discussed

The Potential of Technology-Based Psychological Interventions for Anorexia and Bulimia Nervosa: A Systematic Review and Recommendations for Future Research

Background: Previous studies have shown an unmet need in the treatment of eating disorders. In the last decade, interest in technology-based interventions (TBIs) (including computer-and Internet-based interventions [CBIs] or mobile interventions) for providing evidence-based therapies to individuals with different mental disorders has increased. Objective: The aim of this review was to systematically evaluate the potential of TBIs in the field of eating disorders, namely for anorexia nervosa (AN) and bulimia nervosa (BN),for both prevention and treatment, and also for carers of eating disorder patients. Methods: A systematic literature search was conducted using Medline and PsycINFO. Bibliographies of retrieved articles were also reviewed without date or study type restrictions. Results: Forty studies resulting in 45 publications reporting outcomes fulfilled the inclusion criteria: 22 randomized controlled trials, 2 controlled studies, and 16 uncontrolled studies. In total, 3646 patients were included. Overall, the studies provided evidence for the efficacy of guided CBIs, especially for BN patients and for compliant patients. Furthermore, videoconferencing also appeared to be a promising approach. Evaluation results of Internet-based prevention of eating disorders and Internet-based programs for carers of eating disorder patients were also encouraging. Finally, there was preliminary evidence for the efficacy of mobile interventions. Conclusions: TBIs may be an additional way of delivering evidence-based treatments to eating disorder patients and their use is likely to increase in the near future. TBIs may also be considered for the prevention of eating disorders and to support carers of eating disorder patients. Areas of future research and important issues such as guidance, therapeutic alliance, and dissemination are discussed

Three Dimensional Polarimetric Neutron Tomography of Magnetic Fields

Through the use of Time-of-Flight Three Dimensional Polarimetric Neutron Tomography (ToF 3DPNT) we have for the first time successfully demonstrated a technique capable of measuring and reconstructing three dimensional magnetic field strengths and directions unobtrusively and non-destructively with the potential to probe the interior of bulk samples which is not amenable otherwise. Using a pioneering polarimetric set-up for ToF neutron instrumentation in combination with a newly developed tailored reconstruction algorithm, the magnetic field generated by a current carrying solenoid has been measured and reconstructed, thereby providing the proof-of-principle of a technique able to reveal hitherto unobtainable information on the magnetic fields in the bulk of materials and devices, due to a high degree of penetration into many materials, including metals, and the sensitivity of neutron polarisation to magnetic fields. The technique puts the potential of the ToF time structure of pulsed neutron sources to full use in order to optimise the recorded information quality and reduce measurement time.Comment: 12 pages, 4 figure

Strength of the EpE_{\text{p}}=1.842 MeV resonance in the 40^{40}Ca(p,γ\gamma)41^{41}Sc reaction revisited

The strength of the $E_{\rm p} = 1.842$ MeV resonance in the $^{40}$Ca(p,$\gamma$)$^{41}$Sc reaction is determined with two different methods: First, by an absolute strength measurement using calcium hydroxide targets, and second, relative to the well-determined strength of the resonance triplet at $E_\alpha$ = 4.5 MeV in the $^{40}$Ca($\alpha$,$\gamma$)$^{44}$Ti reaction. The present new value of $\omega\gamma=(0.192\pm0.017)$ eV is 37% (equivalent to $3.5\sigma$) higher than the evaluated literature value. In addition, the ratio of the strengths of the 1.842 MeV $^{40}$Ca(p,$\gamma$)$^{41}$Sc and 4.5 MeV $^{40}$Ca($\alpha$,$\gamma$)$^{44}$Ti resonances has been determined to be $0.0229\pm0.0018$. The newly corrected strength of the 1.842-MeV resonance can be used in the future as a normalization point for experiments with calcium targets.Comment: Submitted to Phys. Rev.

Distribution and clinical comparison of restrictive feeding and eating disorders using ICD-10 and ICD-11 criteria.

OBJECTIVE Within the eleventh edition of the International Classification of Diseases (ICD-11), diagnostic criteria for feeding and eating disorders were revised and new diagnoses including avoidant/restrictive food intake disorder (ARFID) are classifiable; however, nothing is known about how these changes affect the prevalence of feeding and eating disorders. This study compared the distribution and clinical characteristics of restrictive feeding and eating disorders between ICD-10 and ICD-11. METHOD The Eating Disorder Examination (EDE), its child version, and the EDE ARFID module were administered to N = 82 patients (0-17 years) seeking treatment for restrictive feeding and eating disorders and their parents. Clinical characteristics were derived from medical records, questionnaires, and objective anthropometrics. RESULTS The number of residual restrictive eating disorders (rrED) significantly decreased from ICD-10 to ICD-11 due to a crossover to full-threshold disorders, especially anorexia nervosa (AN) or ARFID. Patients reclassified to ICD-11 ARFID were younger, had an earlier age of illness onset, more restrictive eating behaviors, and tended to have more somatic comorbidities compared to those reclassified to ICD-11 AN. Patients with rrED according to both ICD-10 and ICD-11 were younger, had an earlier age of illness onset, less shape concern, and more somatic comorbidities than patients who were reclassified from ICD-10 rrED to ICD-11 AN or ARFID. DISCUSSION This study highlights the inclusive approach of ICD-11 criteria, paving the way for more targeted treatment, and ARFID's high clinical relevance. Future studies considering nonrestrictive feeding and eating disorders across the life span may allow further analyses on diagnostic crossover. PUBLIC SIGNIFICANCE Changes in diagnostic criteria for restrictive eating disorders within the newly published ICD-11 led to an increase in full-threshold disorders, while the number of rrED was significantly lowered compared to ICD-10 criteria. The results thus highlight the diagnostic utility of ICD-11 criteria and may help providing adequate treatment to children and adolescents with rrED

Исследования функциональности и состояния защитных сооружений ГО г. Юрги

Immunogenetics and cellular immunology of bacterial infectious disease

Neophyten in Buchen- und Fichtenwäldern des Sollings

405 Neophyten in Buchen- und Fichtenwäldern des Sollings* Wolfgang Schmidt, Steffi Heinrichs, Martin Weckesser, Luise Ebrecht und Bernadett Lambertz Abstract: Non-native plant species in beech and Norway spruce forests of the Solling Hills The proportion of alien plant species in the ground vegetation of beech forests and Norway spruce stands on acidic soils was investigated by comparing vegetation relevés in the Solling Hills (Lower Saxony) obtained from different research projects during four decades. In general, the proportion of non-indigenous plant species is rather low. In species-poor closed beech stands 4.4 % (on average 1.3 %) of the maximum species number and 7.3 % (on average 1.9 %) of the maximum coverage of the sparsely covered herbaceous layer belong to alien plant species. In the Norway spruce stands with a more species-rich and more densely covered herbaceous layer, the proportion of alien species is 2.8 % (on average 1.4 %, species number) and 4.7 % (on average 1.7 %, coverage) at maximum, respectively. In 1966-1968, no alien plant species were recorded in managed beech and Norway spruce forests. In contrast, vegetation relevés recorded 30 years later on the same site showed an increase in the number of alien species up to 1.3 % of the mean number of species. The mean cover of non-native species increased to 0.2 % (beech) and 4.7 % (Norway spruce) of the total herbaceous layer coverage, respectively. Non-indigenous plant species are still lacking completely in the unmanaged beech forest nature reserve. Silvicultural treatments like group selection felling in beech stands or girth-limit felling and clear-cutting in Norway spruce stands were not followed by a significant increase of alien species according to the disturbance gradient. By the creation and use of skid trails in forests there was no shortterm increase of non-native species. Only on heavily or repeatedly disturbed parts of compacted forest roads and skid trails, such as wheel tracks or mid-line in Norway spruce stands did aliens increase significantly. The most important non-native herbs of beech and Norway spruce stands in the Solling Hills are Impatiens parviflora and Epilobium ciliatum. Until now, E. ciliatum was missing in the beech forests mainly due to the low light availability. Rare occurrences of spontaneous tree regeneration of introduced Pseudotsuga menziesii, Larix decidua and Quercus rubra result from near-by forest plantations and indicate that the most important impact on vegetation is coming from the plantation of exotic tree species rather than the spontaneous establishment of herbaceous neophytes. Other alien woody species as well as adventative ornamental plants which are fully established in the flora of the Solling Hills today, are presently not found in the herbaceous layer of the forests. Most of these species can be found in open landscapes or urban areas with gardens and parks. Accordingly the whole Solling landscape including the open and ruderal outskirts has a higher proportion of non-native plant species than the nearly completely forested central part of the research area (11.1 % versus 7.6 % of the flora)