34 resultados para 908
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Invocatio: I.N.J.
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Invocatio: I.J.N.
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Osa 2 ilm. 1757, prees. P. Kalm
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Soitinnus: lauluääni, piano.
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Integrins are a family of transmembrane glycoproteins, composed of two different subunits (alpha and beta). Altered expression of integrins in tumor cells contributes to metastasis tendency by influencing on the cells‟ attachment to adjacent cells and their migration. Viral pathogens, including certain enteroviruses, use integrins as receptors. Enteroviruses have also been suggested to be involved in the etiopathogenesis of type 1 diabetes. The study focuses on the role of integrins in the pathogenesis of metastasis to cortical bone and on type 1 diabetes (T1D) and echovirus 1 infection. In the first part of the thesis, the role of different integrins in the initial attachment of MDA-MD-231 breast cancer cells to bovine cortical bone disks was studied. A close correlation between alpha2beta1 and alpha3beta1 integrin receptor expression and the capability of the tumor to attach to bone were observed. In the second part, a possible correlation between susceptibility to enterovirus infections in diabetic children and differences in enterovirus receptor genes, including certain integrins, was investigated. In parallel, virus-specific neutralizing antibodies and diabetic risk alleles were studied. In the diabetic group, an amino acid change was detected in the polio virus receptor and the neutralizing antibody titers against echovirus 30 were lower. However, to obtain statistically sustainable results, a larger number of individuals should be analyzed. Echovirus 1 (EV1) enters cells by attaching to the alpha2I domain of the alpha2beta1 integrin. In the third part EV1 was shown to attach to a chimeric receptor construct of the transferrin receptor and the alpha2I domain and to enter cells through clathrin-mediated endocytosis that is normally not used by the virus. The chimeric receptor was recycled to the plasma membrane, whereas the virus remained in intracellular vesicles. The virus replication cycle was initiated in these cells, suggesting that evolution pressure could possibly cause the virus to evolve to use a different entry mechanism. Moreover, a cDNA microarray analysis of host gene expression during EV1 replication showed that 0.53% of the total genes, including several immediate early genes, were differently expressed.
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US-patentti nro: US 7,908,854 B2
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This study examines appearance-related consumption in Finland. The theoretical portion discusses appearance-related consumption, on one hand from a consumer culture perspective, as both a possibility and responsibility for everyone; and on the other hand, from the point of view of behaviour and attitudes associated with sociodemographic and lifestyle-related factors. The empirical part of the study concentrates on the following aspects: 1) Finns’ appearance-related consumption patterns, attitudes towards appearance-related consumption and attending to one’s looks through consumption, as well as general changes in consumption patterns and attitudes; 2) gender differences in attitudes and consumption patterns, and their possible changes over time, and; 3) other differences among population groups in attitudes and consumption patterns, and their possible changes over time. The following dissertation utilises data from seven different nationally representative surveys. Data include Finnish Household Budget surveys from 1998 (N=4 359), 2001 (N=5 495) and 2006 (N=4 007), as well as, The Everyday Life and Well-being Survey (N=908) collected in 2011, and Finland 1999 (N=2 417), Finland 2004 (N=3 574) and Finland 2009 (N=1 202) surveys. The study indicates that Finns’ relationship to appearance-related consumption is, generally, somewhat inconsistent. In Finland, a significant share of a household’s total spending, around the EU average, is allocated to products and services related to appearance. In addition, at an attitudinal level, physical appearance is important to most Finnish consumers. However, in many respects, these attitudes reflect a certain reservation towards appearance-related consumption practices. The number of those consumers who see themselves as truly dedicated to attending to their looks through consumption is quite small, whereas the amount of those willing to take a reserved or even negative attitude towards appearance-related consumption is clearly higher. Attitudes towards attending to one’s looks and the importance of appearance-related consumption had not changed during the past decade. Study shows that at present, appearance-related consumption is a form of consumption that is particularly important to women, younger consumers, people with middle or higher income, and those with normal weight. Gender is in the key role when explaining appearance-related consumption and contrary to common belief, gender differences seem to have stayed quite stable. The results also indicate that, to some extent, differences between younger and older age groups might be diminishing.
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The objective of this thesis was to evaluate whether a more extensive mammography screening programme (TurkuMSP) conducted by the city of Turku, had an effect on breast cancer (BC) incidence, survival, or mortality in years 1987 to 2009. Despite the fact that some studies have suggested a 20 percent reduction in BC mortality due to mammography screening, there are findings of harm to subjects, which are claimed to negate the benefits of screening. Thus, the aims of this study are most pertinent. A total of 176 908 screening examinations were performed in 36 000 women aged 40−74 during the years 1987−1997. In all, 685 primary BCs were found in the screened women, either screen-detected (n=531) or during screening intervals (n=154). Survival and BC recurrence rate of women with screen-detected BC was compared to 184 women with clinical BCs detected among individuals who did not take part in the screening. The invitation interval, which may influence the outcome, was studied in the age group 40 to 49 by inviting those born in even calendar years annually for mammography screening and those born in odd years, triennially. In addition, BC incidence and mortality in the total female population of Turku aged 40 to 84 years was compared with the respective figures of Helsinki and the rest of Finland, both during the pre-screening era (1976-1986) and the screening era (1987-2009). The study was designed to compare women by age groups, because women aged 50 to 59 were generally screened in all of Finland, whereas only in Turku women aged 40 to 49 and 60 to 74 were screened in addition. Data regarding cancer recurrence were derived from the Finnish Cancer Registry and data on deaths were collected from Statistics Finland. In survival analyses, screened women with invasive BC had a significantly higher survival rate than the women with clinical BC. The survival benefit started to appear already during the first follow-up years and was evident in all age groups. A marginal survival extension was also seen in screened women when BC had spread to ipsilateral axillary nodes already at diagnosis. Recurrence-free survival rate after BC treatment was significantly more favorable among the screened women compared with women with BC found clinically. The screening invitation interval did not significantly influence BC mortality in the subset of women aged 40 to 49 years. There were no consistent differences in the changes of BC incidence between Turku and the comparison areas during the screening era. In Turku, the BC mortality incidence in women aged 55−69 years was significantly lower during the screening era (from 1987 to 1997) compared with the pre-screening era, whereas no such change was found in the city of Helsinki or Tampere. When comparing the changes in incidence-based BC mortality during years 1987 to 2009 in Turku to those of Helsinki and the rest of Finland, there was a suggestion of more than 20 percent lower mortality in Turku among oldest age group (75-84 years) compared with the reference residential areas, but the differences were not consistently significant. Interpretation of the study results should be made with caution because there were no random control groups, and on the other hand, the number of cases in subgroups was fairly low to yield definite conclusions. Also due to the many statistical analyses, some of the findings may be due to chance. The results are, however, suggestive for a decrease of BC mortality in the elderly age groups due to wide mammography screening. This finding needs confirmation in further studies before recommending an expansion of mammography screening to women up to the age of 74 years
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Eripainos: Geografiska förneningens tidskrift, häft 4/5 pag. 161-201, 1895.
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Sisältää m.m. kaksi Suomen matkailijayhdistyksen julkaisemaa karttaa
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Nimiösivulla myös: med wederbörandes tilstånd under oeconomie professorens ... Pehr Kalms inseende, för lager-kranzen utgifwen och til allmän granskning öfwerlämnad i Åbo Academiens öfra läro-sal för middagen den 4. augusti 1760.
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Tekijä: Ludv. Unggren.