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- Carlsson, Gunilla, et al.
(författare)
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Towards a screening tool for housing accessibility problems: a reduced version of the Housing Enabler.
- 2009
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Ingår i: Journal of Applied Gerontology. - : SAGE Publications. - 1552-4523 .- 0733-4648. ; 28:1, s. 59-80
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Tidskriftsartikel (refereegranskat)abstract
- To present a reduced version of the Housing Enabler, useful as a screening tool in practice contexts and in research, this study identifies the core items of the environmental component of the instrument, that is, the items most important in terms of the instrument's overall validity to measure accessibility problems. Utilizing cross-national data and interdisciplinary knowledge through an iterative process, a set of core items was identified. The environmental component of the reduced version comprises 61 items, compared to 188 in the original instrument. The rank correlation between the accessibility scores generated by the original and reduced versions was r ≥ .97 (p < .001). Based on comprehensive empirical research in three countries, the reduced version of the Housing Enabler is a time-efficient and valid screening instrument. It is a powerful tool for research and interventions focusing on housing accessibility problem identification.
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- Aschim, Elin L, et al.
(författare)
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The RsaI polymorphism in the ER{beta} gene is associated with male infertility.
- 2005
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Ingår i: Journal of Clinical Endocrinology and Metabolism. - : The Endocrine Society. - 1945-7197 .- 0021-972X. ; 90:Jul 5, s. 5343-5348
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Tidskriftsartikel (refereegranskat)abstract
- Context: Hypospadias, cryptorchidism, testicular cancer, and low semen quality have been proposed as being parts of the testicular dysgenesis syndrome (TDS) hypothetically due to changes in the androgen- estrogen balance in utero. Estrogens and estrogen receptors (ERs) play a role in regulating testicular function. ER beta contains two silent polymorphisms, RsaI (G1082A) and AluI (G1730A). Objective: We investigated the significance of these polymorphisms in the etiology of disorders being part of TDS. Setting: The patients were recruited consecutively through university hospital clinics. Participants: Four groups of Caucasian patients were included: 106 men from infertile couples with a sperm concentration less than 5 x 106 spermatozoa/ ml, 86 testicular cancer patients, 51 boys with hypospadias, and 23 cases with cryptorchidism. Military conscripts (n = 186) with sperm concentration higher than 5 x 10(6) spermatozoa/ ml served as controls. Main Outcome Measures: ER beta polymorphisms RsaI and AluI were determined by allele-specific PCR. In addition, reproductive hormone analyses were performed in controls and infertile men. Results: Compared with the controls, the frequency of the heterozygous RsaI AG-genotype was three times higher in infertile men (13.2 vs. 4.3%; P = 0.01). The heterozygous RsaI AG-genotype was associated with an approximately 20% reduction in LH concentration, compared with the wild-type RsaI GG genotype in both controls and infertile men. Subjects with testicular cancer, hypospadias, or cryptorchidism did not differ from controls regarding the frequency of any of the polymorphisms. Conclusions: Polymorphisms in ER beta may have modulating effects on human spermatogenesis. The phenotype of TDS seems to be, at least partly, determined by the genotype.
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- Darai-Ramqvist, Eva, et al.
(författare)
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Array-CGH and multipoint FISH to decode complex chromosomal rearrangements
- 2006
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Ingår i: BMC Genomics. - : Springer Science and Business Media LLC. - 1471-2164. ; 7, s. 330-
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Tidskriftsartikel (refereegranskat)abstract
- Background: Recently, several high-resolution methods of chromosome analysis have been developed. It is important to compare these methods and to select reliable combinations of techniques to analyze complex chromosomal rearrangements in tumours. In this study we have compared array-CGH (comparative genomic hybridization) and multipoint FISH (mpFISH) for their ability to characterize complex rearrangements on human chromosome 3 (chr3) in tumour cell lines. We have used 179 BAC/PAC clones covering chr3 with an approximately 1 Mb resolution to analyze nine carcinoma lines. Chr3 was chosen for analysis, because of its frequent rearrangements in human solid tumours. Results: The ploidy of the tumour cell lines ranged from near-diploid to near-pentaploid. Chr3 locus copy number was assessed by interphase and metaphase mpFISH. Totally 53 chr3 fragments were identified having copy numbers from 0 to 14. MpFISH results from the BAC/PAC clones and array-CGH gave mainly corresponding results. Each copy number change on the array profile could be related to a specific chromosome aberration detected by metaphase mpFISH. The analysis of the correlation between real copy number from mpFISH and the average normalized inter-locus fluorescence ratio (ANILFR) value detected by array-CGH demonstrated that copy number is a linear function of parameters that include the variable, ANILFR, and two constants, ploidy and background normalized fluorescence ratio. Conclusion: In most cases, the changes in copy number seen on array-CGH profiles reflected cumulative chromosome rearrangements. Most of them stemmed from unbalanced translocations. Although our chr3 BAC/PAC array could identify single copy number changes even in pentaploid cells, mpFISH provided a more accurate analysis in the dissection of complex karyotypes at high ploidy levels.
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| 9. |
- Holmberg, Bengt, et al.
(författare)
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Tillgänglighet, trygghet och andra subjektiva aspekter
- 2008
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Ingår i: Trafiken i den hållbara staden. - 9789144053011 ; 1, s. 55-84
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Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
- Boken behandlar grunderna för planering och utformning av ett hållbart trafiksystem. Den beskriver först kort trafikens uppkomst, omfattning och betydelse. Därefter behandlas hur trafiken planeras, olika färdmedels egenskaper och vilka effekter trafiken medför. Miljö- och säkerhetseffekter av trafik behandlas specifikt.
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| 10. |
- Hovbrandt, Pia, et al.
(författare)
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Very old people’s use of the pedestrian environment: functional limitations, frequency of activity and environmental demands
- 2007
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Ingår i: European Journal of Ageing. - : Springer Science and Business Media LLC. - 1613-9380 .- 1613-9372. ; 4:4, s. 201-211
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Tidskriftsartikel (refereegranskat)abstract
- Due to decreased functional capacity as well as high environmental demands there is a risk of diminishing activity outside home in very old age (age 80+). In order to explore differences according to functional limitations (FL) among very old people with respect to frequency of activity, perceived health, overall perception of neighbourhood environment, and perceived problems in the pedestrian environment, data derived from a postal questionnaire survey to very old people living in an urban area in Sweden were used. This explorative study is based on the sub-sample of people aged 80+ who reported outdoor activities (n = 97). Four groups of respondents with different types of FL were identified: with no FL (n = 23), with only movement-related FL (n = 26), with only perception/cognition-related FL (n = 16), and with both movement- and perception/ cognition-related FL (n = 32). The majority of the respondents reported rather high frequency of activity outside home. When examining differences between the four groups, the analysis indicated how the complexity of FL and perceived problems in the pedestrian environment impacted on their activity performance. Persons with both movement- and perception/cognition-related FL were less satisfied with their frequency of activity, experienced their health more negatively and experienced more problems in the pedestrian environment than in the other groups. The findings from this study indicate the importance of considering combinations of FL in creating supportive environments for activity and health.
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