906 resultados para Transitional
Resumo:
Im Rahmen der interdisziplinären Zusammenarbeit zur Durchsetzung des »Menschenrecht Gesundheit« wurde ein geomedizinisches Informationssystem erstellt, das auf die nordexponierten Bergdörfer zwischen 350 m ü. NN und 450 m ü. NN des Kabupaten Sikka auf der Insel Flores in Indonesien anwendbar ist. Es wurde eine Analyse der Zeit-Raum-Dimension der Gesundheitssituation in Wololuma und Napun Lawan - exemplarisch für die nordexponierten Bergdörfer - durchgeführt. Im Untersuchungsraum wurden Gesundheitsgefahren und Gesundheitsrisiken analysiert, Zonen der Gefahren herausgearbeitet und Risikoräume bewertet. Trotz eines El Niño-Jahres waren prinzipielle Bezüge der Krankheiten zum jahreszeitlichen Rhythmus der wechselfeuchten Tropen zu erkennen. Ausgehend von der Vermutung, dass Krankheiten mit spezifischen Klimaelementen korrelieren, wurden Zusammenhänge gesucht. Für jede Krankheit wurden Makro-, Meso- und Mikrorisikoräume ermittelt. Somit wurden Krankheitsherde lokalisiert. Die Generalisierung des geomedizinischen Informationssystems lässt sich auf der Makroebene auf die nordexponierten Bergdörfer zwischen 350 m ü. NN und 450 m ü. NN des Kabupaten Sikka übertragen. Aus einer Vielzahl von angetroffenen Krankheiten wurden sechs Krankheiten selektiert. Aufgrund der Häufigkeitszahlen ergibt sich für das Gesundheitsrisiko der Bevölkerung eine Prioritätenliste:rn- Dermatomykosen (ganzjährig)rn- Typhus (ganzjährig)rn- Infektionen der unteren Atemwege (Übergangszeit)rn- Infektionen der oberen Atemwege (Übergangszeit)rn- Malaria (Regenzeit)rn- Struma (ganzjährig)rnDie Hauptrisikogruppe der Makroebene ist die feminine Bevölkerung. Betroffen sind weibliche Kleinkinder von null bis sechs Jahren und Frauen ab 41 Jahren. Die erstellten Karten des zeitlichen und räumlichen Verbreitungsmusters der Krankheiten und des Zugangs zu Gesundheitsdienstleistungen dienen Entscheidungsträgern als Entscheidungshilfe für den Einsatz der Mittel zur Primärprävention. Die Geographie als Wissenschaft mit ihren Methoden und dem Zeit-Raum-Modell hat gezeigt, dass sie die Basis für die interdisziplinäre Forschung darstellt. Die interdisziplinäre Zusammenarbeit zur Gesundheitsforschung im Untersuchungszeitraum 2009 hat sich bewährt und muss weiter ausgebaut werden. Die vorgeschlagenen Lösungsmöglichkeiten dienen der Minimierung des Gesundheitsrisikos und der Gesundheitsvorsorge. Da die Systemzusammenhänge der Ätiologie der einzelnen Krankheiten sehr komplex sind, besteht noch immer sehr großer Forschungsbedarf. rnDas Ergebnis der vorliegenden Untersuchung zeigt, dass Wasser in jeder Form die primäre Ursache für das Gesundheitsrisiko der Bergdörfer im Kabupaten Sikka auf der Insel Flores in Indonesien ist.rnDer Zugang zu Wasser ist unerlässlich für die Verwirklichung des »Menschenrecht Gesundheit«. Das Recht auf Wasser besagt, dass jeder Mensch Zugang zu nicht gesundheitsgefährdendem, ausreichendem und bezahlbarem Wasser haben soll. Alle Staaten dieser Erde sollten sich dieser Forderung verpflichtet fühlen.rn
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Riconosciuto il problema dell’accesso ai farmaci come un problema di giustizia globale, la dissertazione, da un lato, è incentrata sullo studio dei diritti umani e sul diritto alla salute da una prospettiva giusfilosofica e, dall’altro, è finalizzata ad analizzare la disciplina brevettuale internazionale, sia approfondendo gli interessi realmente in gioco, sia studiando la struttura economica del brevetto stesso. Si è cercato quindi di guardare a tali interessi da una nuova prospettiva, ipotizzando una gerarchia di valori che sia completa e coerente con gli obiettivi che la dottrina, la giurisprudenza, nonché il diritto internazionale formalmente enunciano. Il progetto di ricerca vuole, in definitiva, arrivare a proporre nuove soluzioni giuridiche al problema dell’accesso ai farmaci. La dissertazione svolge pertanto uno studio critico della proposta di Thomas Pogge, di natura politica e giuridica e sorretta da istanze filosofiche, volta alla soluzione del problema dell’accesso ai farmaci, i.e. l’Health Impact Fund (HIF). Proposta che pone radicalmente in discussione, anche concretamente, il dogma del monopolio concesso con la privativa quale ricompensa per i costi di R&D sostenuti dai titolari dei brevetti e che pone, invece, l’accento sull’effettivo impatto sulla salute globale di ogni singola invenzione. Analizzandone approfonditamente gli aspetti più rilevanti, si passano poi in rassegna, criticamente, le proposte, alternative o di riforma, del sistema di proprietà intellettuale, volte al miglioramento dell’accesso ai farmaci; a tal proposito, si propone quindi una riforma transitoria della disciplina brevettuale, c.d. Trading Time for Space (TTS), che prevede un allungamento temporale dell’esclusiva brevettuale (Time) in cambio della vendita da parte del titolare della privativa del farmaco ad un prezzo accessibile nei Paesi in via di sviluppo (Space).
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Corruption is, in the last two decades, considered as one of the biggest problems within the international community, which harms not only a particular state or society but the whole world. The discussion on corruption in law and economics approach is mainly run under the veil of Public choice theory and principal-agent model. Based on this approach the strong international initiatives taken by the UN, the OECD and the Council of Europe, provided various measures and tools in order to support and guide countries in their combat against corruption. These anti-corruption policies created a repression -prevention-transparency model for corruption combat. Applying this model, countries around the world adopted anti-corruption strategies as part of their legal rules. Nevertheless, the recent researches on the effects of this move show non impressive results. Critics argue that “one size does not fit all” because the institutional setting of countries around the world varies. Among the countries which experience problems of corruption, even though they follow the dominant anti-corruption trends, are transitional, post-socialist countries. To this group belong the countries which are emerging from centrally planned to an open market economy. The socialist past left traces on institutional setting, mentality of the individuals and their interrelation, particularly in the domain of public administration. If the idiosyncrasy of these countries is taken into account the suggestion in this thesis is that in public administration in post-socialist countries, instead of dominant anti-corruption scheme repression-prevention-transparency, corruption combat should be improved through the implementation of a new one, structure-conduct-performance. The implementation of this model is based on three regulatory pyramids: anti-corruption, disciplinary anti-corruption and criminal anti-corruption pyramid. This approach asks public administration itself to engage in corruption combat, leaving criminal justice system as the ultimate weapon, used only for the very harmful misdeeds.
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The physicochemical interactions between water, sediment and soil deeply influence the formation and development of the ecosystem. In this research, different freshwater, brackish and saline subaqueous environments of Northern Italy were chosen as study area to investigate the physicochemical processes which occur at the interface between water and sediments, as well as the effects of soil submergence on ecosystem development. In the freshwater system of the Reno river basin, the main purpose was to define the heavy metals hazard in water and sediments of natural and artificial water courses. Heavy metals partitioning and speciation allowed to assess the environmental risk linked to the critical action of dredging canal sediments, for the maintenance of the hydraulic safety of plain lands. In addition, some bioremediation techniques were experimented for protecting sediments from heavy metals contamination, and for giving an answer to the problem of sediments management. In the brackish system of S. Vitale park, the development of hydromorphic and subaqueous soils was investigated. The study of soil profiles highlighted the presence of a soil continuum among pedons subjected to different saturation degrees. This investigation allowed to the identification of both morphological and physicochemical indicators, which characterize the formation of subaqueous soils and describe the soil hydromorphism in transitional soil systems. In the saline system of Grado lagoon, an ecosystem approach was used to define the role of water oscillation in soil characterization and plants colonization. This study highlighted the close relationship and the mutual influence of soil submergence and aeration, tide oscillation and vegetation cover, on the soil development. In view of climate change, this study contribute to understand and suppose how soil and landscape could evolve. However, a complete evaluation of hydromorphic soil functionality will be achieved only involving physiological and biochemical expertise in these kind of studies.
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This dissertation consists of three self-contained papers that are related to two main topics. In particular, the first and third studies focus on labor market modeling, whereas the second essay presents a dynamic international trade setup.rnrnIn Chapter "Expenses on Labor Market Reforms during Transitional Dynamics", we investigate the arising costs of a potential labor market reform from a government point of view. To analyze various effects of unemployment benefits system changes, this chapter develops a dynamic model with heterogeneous employed and unemployed workers.rn rnIn Chapter "Endogenous Markup Distributions", we study how markup distributions adjust when a closed economy opens up. In order to perform this analysis, we first present a closed-economy general-equilibrium industry dynamics model, where firms enter and exit markets, and then extend our analysis to the open-economy case.rn rnIn Chapter "Unemployment in the OECD - Pure Chance or Institutions?", we examine effects of aggregate shocks on the distribution of the unemployment rates in OECD member countries.rn rnIn all three chapters we model systems that behave randomly and operate on stochastic processes. We therefore exploit stochastic calculus that establishes clear methodological links between the chapters.
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This study focused on the role of oceanographic discontinuities and the presence of transitional areas in shaping the population structure and the phylogeography of the Raja miraletus species complex, coupled with the test of the effective occurrence of past speciation events. The comparisons between the Atlantic African and the North-Eastern Atlantic-Mediterranean geographic populations were unravelled using both Cytochrome Oxidase I and eight microsatellite loci. This approach guaranteed a robust dataset for the identification of a speciation event between the Atlantic African clade, corresponding to the ex Raja ocellifera nominal species, and the NE Atlantic-Mediterranean R. miraletus clade. As a matter of fact, the origin of the Atlantic Africa and the NE Atlantic-Mediterranean deep split dated about 11.74MYA and was likely due to the synergic influence currents and two upwelling areas crossing the Western African Waters. Within the Mediterranean Sea, particular attention was also paid to the transitional area represented by Adventura and Maltese Bank, that might have contributed in sustaining the connectivity of the Western and the Eastern Mediterranean geographical populations. Furthermore, the geology of the easternmost part of Sicily and the geo-morphological depression of the Calabrian Arc could have driven the differentiation of the Eastern Mediterranean Sea. Although bathymetric and oceanographic discontinuity could represent barriers to dispersal and migration between Eastern and Western Mediterranean samples, a clear and complete genetic separation among them was not detected. Results produced by this work identified a speciation event defining Raja ocellifera and R. miraletus as two different species, and describing the R. miraletus species complex as the most ancient cryptic speciation event in the family Rajidae, representing another example of how strictly connected the environment, the behavioural habits and the evolutionary and ecologic drivers are.
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The need for and intensity of follow-up to detect disease recurrence after radical cystectomy (RC) for transitional cell carcinoma (TCC) remains a matter for debate.
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Forkhead box protein A1 (FOXA1) modulates the transactivation of steroid hormone receptors and thus may influence tumor growth and hormone responsiveness in prostate cancer. We therefore investigated the correlation of FOXA1 expression with clinical parameters, prostate-specific antigen (PSA) relapse-free survival, and hormone receptor expression in a large cohort of prostate cancer patients at different disease stages. FOXA1 expression did not differ significantly between benign glands from the peripheral zone and primary peripheral zone prostate carcinomas. However, FOXA1 was overexpressed in metastases and particularly in castration-resistant cases, but was expressed at lower levels in both normal and neoplastic transitional zone tissues. FOXA1 levels correlated with higher pT stages and Gleason scores, as well as with androgen (AR) and estrogen receptor expression. Moreover, FOXA1 overexpression was associated with faster biochemical disease progression, which was pronounced in patients with low AR levels. Finally, siRNA-based knockdown of FOXA1 induced decreased cell proliferation and migration. Moreover, in vitro tumorigenicity was inducible by ARs only in the presence of FOXA1, substantiating a functional cooperation between FOXA1 and AR. In conclusion, FOXA1 expression is associated with tumor progression, dedifferentiation of prostate cancer cells, and poorer prognosis, as well as with cellular proliferation and migration and with AR signaling. These findings suggest FOXA1 overexpression as a novel mechanism inducing castration resistance in prostate cancer.
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Immune responses have the important function of host defense and protection against pathogens. However, the immune response also causes inflammation and host tissue injury, termed immunopathology. For example, hepatitis B and C virus infection in humans cause immunopathological sequel with destruction of liver cells by the host's own immune response. Similarly, after infection with lymphocytic choriomeningitis virus (LCMV) in mice, the adaptive immune response causes liver cell damage, choriomeningitis and destruction of lymphoid organ architecture. The immunopathological sequel during LCMV infection has been attributed to cytotoxic CD8(+) T cells. However, we now show that during LCMV infection CD4(+) T cells selectively induced the destruction of splenic marginal zone and caused liver cell damage with elevated serum alanin-transferase (ALT) levels. The destruction of the splenic marginal zone by CD4(+) T cells included the reduction of marginal zone B cells, marginal zone macrophages and marginal zone metallophilic macrophages. Functionally, this resulted in an impaired production of neutralizing antibodies against LCMV. Furthermore, CD4(+) T cells reduced B cells with an IgM(high)IgD(low) phenotype (transitional stage 1 and 2, marginal zone B cells), whereas other B cell subtypes such as follicular type 1 and 2 and germinal center/memory B cells were not affected. Adoptive transfer of CD4(+) T cells lacking different important effector cytokines and cytolytic pathways such as IFNγ, TNFα, perforin and Fas-FasL interaction did reveal that these cytolytic pathways are redundant in the induction of immunopathological sequel in spleen. In conclusion, our results define an important role of CD4(+) T cells in the induction of immunopathology in liver and spleen. This includes the CD4(+) T cell mediated destruction of the splenic marginal zone with consecutively impaired protective neutralizing antibody responses.
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The descriptive term hybrid peripheral nerve sheath tumor refers to any neoplasm of the neurilemmal apparatus composed of more than one pathologically defined tumoral equivalent derived from its constituent cells. Within this uncommon nosological category, participation of granular cell tumor - a neoplasm of modified Schwann cells - has been reported only exceptionally. We describe a hitherto not documented variant composed of an organoid mixture of granular cell tumor and perineurioma with plexiform growth. A solitary subcutaneous nodule of 1.5 cm diameter was excised from the right ring finger of a 19-year-old female with no antecedents of neurofibromatosis or relevant trauma. Histology revealed a monotonous, yet cytologically dimorphic proliferation of classical granular cells intermingled with flattened, inconspicuous perineurial cells. Immunohistochemical double labeling detected expression of S100 protein in the former and of EMA and GLUT-1 in the latter. While the respective staining patterns for S100 protein and EMA or GLUT-1 tended to be mutually exclusive, a minority of cells exhibited transitional granular cell/perineurial immunophenotype. Electron microscopy permitted direct visualization of a plethora of lysosomes in the granular cell moiety, and of pinocytotic vesicles and tight junctions in perineurial cells. Intratumoral axons were not detected. Expanding intraneurally, the lesion showed discrete encapsulation by the local perineurium, and resulted in plexiform growth. The MIB-1 labeling index averaged 1%. We interpret our findings as supporting evidence for the dual cell lineage to have arisen through metaplasia, with the tumor's dynamics probably having been driven by the granular cell component.
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Objective: Based on the largest series reported of giant intra- and extracranial calvarial meningiomas (GIECM) the purpose of the present study was to characterize the treatment and outcome data associated with patients operated on GIECM and to describe our experience in the management of this rare and therapeutically demanding tumour entity. Methods: The data of 12 patients (7/12 males, 5/12 females) with surgically treated GIECM at the University Hospitals Aachen and Bern between 1994 and 2011 were retrospectively analyzed. The mean patient age was 58 years (range, 22 to 78 years). Symptom distribution included extracranial swelling (12/12), seizures (5/12), headache (4/12), gait disturbance (3/12), dizziness (2/12), and impaired vision (1/12). GIECM were located frontal (6/12), temporal (3/12), parietal, fronto-parietal, and parieto-occipital (1/12 each). Microsurgical resection with acrylic-augmented cranioplasty was performed in all patients and 11/12 patients received dural repair with synthetic (7/11) or autologous (4/11) patch grafts. Surgical excision in two stages with primary removal of the extracranial meningioma component was undertaken in 2/12 patients, whereas preoperative embolization and postoperative radiotherapy were applied in 1/12 patient each. Results: In contrast to intradural meningiomas GIECM mainly affect male patients at a comparatively younger age. GIECM could be completely (9/12) or subtotally (3/12) resected. Surgical-associated complications included minor CSF leak (6/12), wound healing disturbance (3/12), venous engorgement, and haemorrhage (2/12 each), requiring reoperation in 3/12 cases. Histopathological examination revealed meningothelial (6/12), atypical (4/12), and transitional (1/12) GIECM. 10/12 patients exhibited excellent postoperative clinical outcome, 1/12 patient each deteriorated or died of pulmonary embolism. Conclusions: The operative management of GIECM is challenging, carries a substantial risk, and demands special strategies because of the large tumour size, anatomical involvement of scalp, calvaria, meninges, brain or vascular structures, and more frequent atypical histology. Although microsurgical resection with cranioplasty and mostly dural grafting usually results in a good clinical outcome, the potential complication rate is markedly higher when compared to smaller meningiomas without extracranial component. Preoperative embolization and staging of surgical resection are possible additional therapeutic options.
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This project had a dual aim: first to survey the (scanty) literature on interpretive communities, and second to apply the concept in a specific context, i.e. in current Hungarian literature. Interpretive communities are closely linked to one of the most disputed issues of literary and theoretical discourse to date, namely canonicity. Not only is the body of the canon selected, presented and interpreted by a specific interpretive community (that of the professionals), but the production of theories themselves, including the theory of interpretive communities and of the canon, is part and parcel of professional interpreters' activity. Thus, while belonging to an interpretive community is a function of other interpretive communities, the entire conceptual system of interpretive communities is a function of a specific (professional) community. Literature in the period of political transition is characterised not only (and not necessarily) by the transitional nature of literary works or literary discourse, but rather by continuous debates about canon and interpretive communities, and here Kalman carried out a number of case studies of current discussions of this nature in Hungary.
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Ms. Kotzeva's team aimed to reveal the formation of the new gender identities in the transitional society of Bulgaria since 1989. Their main conclusions (presented in a series of manuscripts written in Bulgarian and German, and also on disc) were reached on the basis of data obtained from a field survey involving a group of 190 women, and interviews conducted with a group of Bulgarian women politicians. Although approving of gender equality and the ideology of emancipation on an abstract level, women predominantly identify themselves with mothering and caring for the family. At the same time they do not fully surrender to their family obligations and support a strategy of balancing between family and extra-family activities. Bulgarian women are highly frustrated by the new requirements of the labour market, insecurity, and lack of safety in their personal life. Ms. Kotzeva and her team observed a high degree of convergence of self-identification strategies amongst Bulgarian women from different generations and educational backgrounds. On the other hand, women from the ethnic minorities, especially Gypsy women, demonstrate radically divergent styles of orientation and behaviour. Women's marginalisation due to the altering economic and political circumstances in Bulgaria, and the decline of female participation in Parliament, have clearly shown that the end of socialist women's politics must lead to critical reflection and the development of new strategies in order to enable women to take part in the process of a new elite in Bulgaria.
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This study was the final stage of a four-year study of managerial behaviour and company performance in Bulgaria and examined the influence of changing ownership and control structures of companies on managerial behaviour and initiative. It provides a theoretical summary of the specific types of ownership, control, governance structures and managerial strategies in the Bulgarian transitional economy during 1992-1996. It combines two theoretical approaches, the property-rights approach to show concentrated property-rights structure and private and majority types of control as determinants of efficient enterprise risk bearing and constrained managerial discretion, and the agency theory approach to reveal the efficient role of direct non-market governance mechanisms over managers. Mr. Peev also used empirical information collected from the Central Statistical office in Bulgaria, three different enterprise investigations of corporatised state-owned enterprises between 1992 and 1994, and his own data base of privatised and private de novo industrial companies in 1996-1996. The project gives a detailed description of the main property-rights structures in Bulgaria at the present time and of the various control structures related to these. It found that there is a strong owner type of control in private and privatised firms, although, contrary to expectations, 100% state -owned enterprises tended to be characterised by a separation of ownership from control, leaving scope for managerial discretion. Mr. Peev predicts that after the forthcoming mass privatisation, many companies will acquire a dispersed ownership structure and there will be a greater separation of ownership from control and potential or inefficient managerial behaviour. The next aspect considered in detail was governance structures and the influence of the generally unstable macroeconomic environment in the country during the period in question. In examining managerial strategies, Mr. Peev divided the years since 1990 into 3 periods. Even in the first period (1990-1992) there were some signs of a more efficient role for managers and between 1992 and 1994 the picture of control structures and different managerial behaviour in state-owned companies became more diversified. Managerial strategies identified included managerial initiatives for privatisation, where managers took initiative in resolving problems of property rights and introducing restructuring measures and privatisation proposals, managerial initiatives for restructuring without privatisation, and passive adjustment and passive management, where managers seek outside services for marketing, finance management, etc. in order to adjust to the new environment. During 1995-1996 some similarities and differences between the managerial behaviour of privatised and state-owned firms emerged. Firstly, the former have undergone many changes in investment and technology, while managers of state-owned companies have changed little in this field, indicating that the private property-rights structure is more efficient for the long-term adaptation of enterprises. In the area of strategies relating to product quality, marketing, and pricing policy there was little difference between managers of private, privatised and state-owned firms. The most passive managerial behaviour was found in non-incorporated state-owned firms, although these have only an insignificant stake in the economy.
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This research was a complex study of the economic and socio-cultural aspects of the development of Russian private publishing in the second half of the19th and early 20th centuries, during the periods of 'war communism' and the New Economic Policy of 1917 to 1930, and during the reform of book publishing in 1986-1999. Conclusions about private book publishing in Moscow and St. Petersburg were extrapolated to Russia-wide problems of the development of this field. Svichenskaya sees her main achievement as having identified the economic and legal concepts behind the development of private book publishing over the period in question in the context of state and corporate regulation of publishing. Here the state was the main influence on its development and there was a paradox in the relations between the state authorities and private publishers, in that the latter constantly suffered from repression by the former but at the same time were dependent on state support. The research identified the administrative process of the liquidation of private publishing at the end of the 1920s and showed that its present flourishing is closely linked with the establishment of a preferential mode for the development of this sector. Private publishing now represents around 80% of domestic publishing, in terms both of the number of publishing houses and of the number of volumes published, and so plays the major role in satisfying the demand for books in Russia. Svichenskaya predicts that in the coming years private publishing will see a further concentration of growth and a tendency to monopolies and also the increasing specialisation of the publishing repertoire. She outlines a suggested concept of state management in publishing and ways to optimise this. In the transitional period of adaptation to the market regulation of publishing, these include a continuing degree of state protectionism, the creation of a favourable investment climate, privatisation of the printing companies with the aim of modernising these, and the development of coordinated corporate policies.