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Träfflista för sökning "WFRF:(Ahlberg L) srt2:(2000-2004)"

Sökning: WFRF:(Ahlberg L) > (2000-2004)

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1.
  • Ahlberg, Anders, et al. (författare)
  • Onshore climate change during the late triassic marine inundation of the Central European Basin
  • 2002
  • Ingår i: Terra Nova: the European journal of geosciences. - : Wiley. - 0954-4879. ; 14:4, s. 241-248
  • Tidskriftsartikel (refereegranskat)abstract
    • Sedimentological, pedological and palynological evidence reveal radically increasing onshore humidity during the Rhaetian marine invasion of central Europe along the north-eastern margin of the Central European Basin (southern Sweden). Pre-Rhaetian aridity favoured the formation of Carnian redbeds with calcrete, which were succeeded by Norian hematite-cemented conglomerates, arkoses, arkosic wackestones, and smectititic mudstones deposited on braidplains and in lakes. Superimposed autochthonous coals and gleysols indicate the Rhaetian onset of year-round humidity. Chemically mature sandstones, kaolinitic mudstones and luvisols also formed at this time, influenced by a permanent vegetation cover which lowered soil pH and strongly intensified chemical weathering. The Rhaetian deposits accumulated in floodplain lakes repeatedly subjected to sediment infill, plant colonization and palaeosol development. The humidity shift resembles that contemporaneously recorded in the North Sea region.
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  • Westberg, Lars, 1973, et al. (författare)
  • Association between the estrogen receptor beta gene and age of onset of Parkinson's disease.
  • 2004
  • Ingår i: Psychoneuroendocrinology. - : Elsevier BV. - 0306-4530. ; 29:8, s. 993-8
  • Tidskriftsartikel (refereegranskat)abstract
    • The purpose of this study was to investigate the potential contribution of genetic variants in the estrogen receptor beta gene to the aetiology of Parkinson's disease (PD). Several lines of evidence from human and animal studies suggest a protective role for estrogen in PD. Recently the estrogen receptor beta subtype was reported to be an important mediator of estrogen actions in the nigrostriatal dopamine system. Two single nucleotide polymorphisms at position 1730 and 1082 in the ER beta gene were genotyped, using pyrosequencing, in 260 patients with PD and 308 controls recruited from the Swedish population. Neither of the two estrogen receptor beta polymorphisms was associated with an increased risk for PD. However, the G allele of the A1730G polymorphism was more frequent in patients with an early age of onset than in patients with a late age of onset of PD (P = 0.006). Patients carrying the GG genotype had an odds ratio of 2.2 for having an early onset of PD compared to non-carriers. In conclusion, our results indicate that genetic variation in the estrogen receptor beta gene may influence the age of onset of PD.
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10.
  • Zhu, M., et al. (författare)
  • First Devonian tetrapod from Asia
  • 2002
  • Ingår i: Nature. - 0028-0836 .- 1476-4687. ; 420, s. 760-761
  • Tidskriftsartikel (refereegranskat)
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