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- Blanton, Michael R., et al.
(författare)
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Sloan Digital Sky Survey IV : Mapping the Milky Way, Nearby Galaxies, and the Distant Universe
- 2017
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Ingår i: Astronomical Journal. - : IOP Publishing Ltd. - 0004-6256 .- 1538-3881. ; 154:1
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Tidskriftsartikel (refereegranskat)abstract
- We describe the Sloan Digital Sky Survey IV (SDSS-IV), a project encompassing three major spectroscopic programs. The Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2) is observing hundreds of thousands of Milky Way stars at high resolution and. high signal-to-noise ratios in the near-infrared. The Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey is obtaining spatially resolved spectroscopy for thousands of nearby galaxies (median z similar to 0.03). The extended Baryon Oscillation Spectroscopic Survey (eBOSS) is mapping the galaxy, quasar, and neutral gas distributions between z similar to 0.6 and 3.5 to constrain cosmology using baryon acoustic oscillations, redshift space distortions, and the shape of the power spectrum. Within eBOSS, we are conducting two major subprograms: the SPectroscopic IDentification of eROSITA Sources (SPIDERS), investigating X-ray AGNs. and galaxies in X-ray clusters, and the Time Domain Spectroscopic Survey (TDSS), obtaining spectra of variable sources. All programs use the 2.5 m Sloan Foundation Telescope at the. Apache Point Observatory; observations there began in Summer 2014. APOGEE-2 also operates a second near-infrared spectrograph at the 2.5 m du Pont Telescope at Las Campanas Observatory, with observations beginning in early 2017. Observations at both facilities are scheduled to continue through 2020. In keeping with previous SDSS policy, SDSS-IV provides regularly scheduled public data releases; the first one, Data Release 13, was made available in 2016 July.
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- Henmyr, Viktor, et al.
(författare)
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Characterization of genetic variation in TLR8 in relation to allergic rhinitis
- 2015
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Ingår i: Allergy. European Journal of Allergy and Clinical Immunology. - : Wiley-Blackwell. - 0105-4538 .- 1398-9995.
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: A previous investigation of all 10 TLR-genes for associations with allergic rhinitis (AR) detected a number of significant SNPs in the TLR8 locus. The associations indicated that an accumulation of rare variants could explain the signal. The present study therefore searches for rare variants in the TLR8 region and also investigates the reproducibility of previous SNP associations.METHODS: The TLR8 gene was re-sequenced in 288 AR patients from Malmö and the data was compared with publically available data. Seven previously AR-associated SNPs from TLR8 were analyzed for AR-associations in 422 AR patients and 859 controls from the BAMSE cohort. The associations detected in present and previous studies were compared.RESULTS: Sequencing detected 13 polymorphisms (3 promotor, 10 coding) among 288 AR patients. Four of the coding polymorphisms were rare (MAF <1%) and three of those were novel. Two coding polymorphisms were benign missense mutations and the rest were synonymous. Comparison with 1000Genomes and Exome Aggregation Consortium data revealed no accumulation of rare variants in the AR cases. The AR-association tests made using the BAMSE cohort yielded 5 P-values < 0.05. Tests of IgE-levels yielded 4 significant SNP associations to birch pollen. Comparing results between different populations revealed opposing risk alleles, different gender effects and response to different allergens in the different populations.CONCLUSIONS: Rare variants in TLR8 are not associated with AR. Comparison of present and previous association studies reveal contradictory results for common variants. Thus, no associations exist between genetic variation in TLR8 and AR. This article is protected by copyright. All rights reserved.
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- Carlberg, M, et al.
(författare)
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Paternal Perinatal Depression Assessed by the Edinburgh Postnatal Depression Scale and the Gotland Male Depression Scale: Prevalence and Possible Risk Factors
- 2018
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Ingår i: American journal of men's health. - : SAGE Publications. - 1557-9891 .- 1557-9883. ; 12:4, s. 720-729
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Tidskriftsartikel (refereegranskat)abstract
- Several studies have used the Edinburgh Postnatal Depression Scale (EPDS), developed to screen new mothers, also for new fathers. This study aimed to further contribute to this knowledge by comparing assessment of possible depression in fathers and associated demographic factors by the EPDS and the Gotland Male Depression Scale (GMDS), developed for “male” depression screening. The study compared EPDS score ≥10 and ≥12, corresponding to minor and major depression, respectively, in relation to GMDS score ≥13. At 3–6 months after child birth, a questionnaire was sent to 8,011 fathers of whom 3,656 (46%) responded. The detection of possibly depressed fathers by EPDS was 8.1% at score ≥12, comparable to the 8.6% detected by the GMDS. At score ≥10, the proportion detected by EPDS increased to 13.3%. Associations with possible risk factors were analyzed for fathers detected by one or both scales. A low income was associated with depression in all groups. Fathers detected by EPDS alone were at higher risk if they had three or more children, or lower education. Fathers detected by EPDS alone at score ≥10, or by both scales at EPDS score ≥12, more often were born in a foreign country. Seemingly, the EPDS and the GMDS are associated with different demographic risk factors. The EPDS score appears critical since 5% of possibly depressed fathers are excluded at EPDS cutoff 12. These results suggest that neither scale alone is sufficient for depression screening in new fathers, and that the decision of EPDS cutoff is crucial.
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- Edhborg, M, et al.
(författare)
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"Waiting for Better Times": Experiences in the First Postpartum Year by Swedish Fathers With Depressive Symptoms
- 2016
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Ingår i: American journal of men's health. - : SAGE Publications. - 1557-9891 .- 1557-9883. ; 10:5, s. 428-439
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Tidskriftsartikel (refereegranskat)abstract
- Swedish fathers are largely involved in their infant’s care, and Sweden has a generous parental leave, with 2 months especially assigned for fathers. The prevalence of depressive symptoms postpartum for fathers appears to be similar as for mothers in Sweden. This study aimed to describe fathers’ experiences of the first year postpartum, when they showed depressive symptoms 3 to 6 months postpartum. Semistructured interviews with 19 fathers were conducted and analyzed with content analysis. The fathers experienced loss of control and powerlessness due to discrepancies between their expectations and the reality they met after birth. They found the everyday-life turbulent, with much stress and worries for the infant, conflicts between family and work, and lack of support in everyday life. In addition, the fathers struggled with impaired partner-relationship, losses, and contradictory messages from both the society and their partners. These findings indicate that the fathers had difficulties to balance the competing demands of family, work, and their own needs. Thus, it is important to identify fathers with depressive symptoms at the Child Health Care Centers and attend to fathers’ needs of support and acknowledge them as parents equal to mothers.
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- Henmyr, Viktor, et al.
(författare)
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Characterization of genetic variation in TLR8 in relation to allergic rhinitis
- 2015
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Ingår i: Allergy. European Journal of Allergy and Clinical Immunology. - : Wiley. - 0105-4538 .- 1398-9995.
-
Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: A previous investigation of all 10 TLR-genes for associations with allergic rhinitis (AR) detected a number of significant SNPs in the TLR8 locus. The associations indicated that an accumulation of rare variants could explain the signal. The present study therefore searches for rare variants in the TLR8 region and also investigates the reproducibility of previous SNP associations. METHODS: The TLR8 gene was re-sequenced in 288 AR patients from Malmö and the data was compared with publically available data. Seven previously AR-associated SNPs from TLR8 were analyzed for AR-associations in 422 AR patients and 859 controls from the BAMSE cohort. The associations detected in present and previous studies were compared. RESULTS: Sequencing detected 13 polymorphisms (3 promotor, 10 coding) among 288 AR patients. Four of the coding polymorphisms were rare (MAF <1%) and three of those were novel. Two coding polymorphisms were benign missense mutations and the rest were synonymous. Comparison with 1000Genomes and Exome Aggregation Consortium data revealed no accumulation of rare variants in the AR cases. The AR-association tests made using the BAMSE cohort yielded 5 P-values < 0.05. Tests of IgE-levels yielded 4 significant SNP associations to birch pollen. Comparing results between different populations revealed opposing risk alleles, different gender effects and response to different allergens in the different populations. CONCLUSIONS: Rare variants in TLR8 are not associated with AR. Comparison of present and previous association studies reveal contradictory results for common variants. Thus, no associations exist between genetic variation in TLR8 and AR. This article is protected by copyright. All rights reserved.
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| 10. |
- Henmyr, V., et al.
(författare)
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Genetic variation of the Toll-like receptors in a Swedish allergic rhinitis case population
- 2017
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Ingår i: BMC Medical Genetics. - : Springer Science and Business Media LLC. - 1471-2350. ; 18:1
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Tidskriftsartikel (refereegranskat)abstract
- Background: Variation in the 10 toll-like receptor (TLR) genes has been significantly associated with allergic rhinitis (AR) in several candidate gene studies and three large genome-wide association studies. These have all investigated common variants, but no investigations for rare variants (MAF≤1%) have been made in AR. The present study aims to describe the genetic variation of the promoter and coding sequences of the 10 TLR genes in 288 AR patients. Methods: Sanger sequencing and Ion Torrent next-generation sequencing was used to identify polymorphisms in a Swedish AR population and these were subsequently compared and evaluated using 1000Genomes and Exome Aggregation Consortium (ExAC) data. Results: The overall level of genetic variation was clearly different among the 10 TLR genes. The TLR10-TLR1-TLR6 locus was the most variable, while the TLR7-TLR8 locus was consistently showing a much lower level of variation. The AR patients had a total of 37 promoter polymorphisms with 14 rare (MAF≤1%) and 14 AR-specific polymorphisms. These numbers were highly similar when comparing the AR and the European part of the 1000Genomes populations, with the exception of TLR10 where a significant (P=0.00009) accumulation of polymorphisms were identified. The coding sequences had a total of 119 polymorphisms, 68 were rare and 43 were not present in the European part of the 1000Genomes population. Comparing the numbers of rare and AR-specific SNPs in the patients with the European part of the 1000Genomes population it was seen that the numbers were quite similar both for individual genes and for the sum of all 10 genes. However, TLR1, TLR5, TLR7 and TLR9 showed a significant excess of rare variants in the AR population when compared to the non-Finnish European part of ExAC. In particular the TLR1 S324*nonsense mutation was clearly overrepresented in the AR population. Conclusions: Most TLR genes showed a similar level of variation between AR patients and public databases, but a significant excess of rare variants in AR patients were detected in TLR1, TLR5, TLR7, TLR9 and TLR10. This further emphasizes the frequently reproduced TLR10-TLR1-TLR6 locus as being involved in the pathogenesis of allergic rhinitis.
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