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- Alcorn, J, et al.
(författare)
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Basic instrumentation for Hall A at Jefferson Lab
- 2004
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Ingår i: Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment. - : Elsevier BV. - 0167-5087 .- 0168-9002. ; 522:3, s. 294-346
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Tidskriftsartikel (refereegranskat)abstract
- The instrumentation in Hall A at the Thomas Jefferson National Accelerator Facility was designed to study electro-and photo-induced reactions at very high luminosity and good momentum and angular resolution for at least one of the reaction products. The central components of Hall A are two identical high resolution spectrometers, which allow the vertical drift chambers in the focal plane to provide a momentum resolution of better than 2 x 10(-4). A variety of Cherenkov counters, scintillators and lead-glass calorimeters provide excellent particle identification. The facility has been operated successfully at a luminosity well in excess of 10(38) CM-2 s(-1). The research program is aimed at a variety of subjects, including nucleon structure functions, nucleon form factors and properties of the nuclear medium. (C) 2003 Elsevier B.V. All rights reserved.
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- Baranasic, D, et al.
(författare)
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Multiomic atlas with functional stratification and developmental dynamics of zebrafish cis-regulatory elements
- 2022
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Ingår i: Nature genetics. - : Springer Science and Business Media LLC. - 1546-1718 .- 1061-4036. ; 54:7, s. 1037-
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Tidskriftsartikel (refereegranskat)abstract
- Zebrafish, a popular organism for studying embryonic development and for modeling human diseases, has so far lacked a systematic functional annotation program akin to those in other animal models. To address this, we formed the international DANIO-CODE consortium and created a central repository to store and process zebrafish developmental functional genomic data. Our data coordination center (https://danio-code.zfin.org) combines a total of 1,802 sets of unpublished and re-analyzed published genomic data, which we used to improve existing annotations and show its utility in experimental design. We identified over 140,000 cis-regulatory elements throughout development, including classes with distinct features dependent on their activity in time and space. We delineated the distinct distance topology and chromatin features between regulatory elements active during zygotic genome activation and those active during organogenesis. Finally, we matched regulatory elements and epigenomic landscapes between zebrafish and mouse and predicted functional relationships between them beyond sequence similarity, thus extending the utility of zebrafish developmental genomics to mammals.
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- Cheng, Q, et al.
(författare)
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Clinical features of patients with multiple sclerosis from a survey in Shanghai, China
- 2008
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Ingår i: Multiple sclerosis (Houndmills, Basingstoke, England). - : SAGE Publications. - 1352-4585 .- 1477-0970. ; 14:5, s. 671-678
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Tidskriftsartikel (refereegranskat)abstract
- Objective To describe clinical features of patients with multiple sclerosis (MS) in Shanghai, China. Methods Prevalent patients with MS were identified and investigated by a network of physicians in 11 districts of Shanghai during the period from 1 September 2004 to 31 August 2005. Admission registries of each hospital in the study area were checked systematically for patients with a diagnosis of MS, neuromyelitis optica or other demyelinating disorders. All patients with collected information were evaluated by four senior neurologists according to the McDonald criteria. Results There were 249 (146 female and 103 male) patients with a confirmed MS diagnosis, at a female-to-male ratio of 1.4. The mean age at onset of MS was 37.4 years for the 249 patients with MS and, on the prevalence day, 42.7 years. The most frequent location of clinical MS lesions in the central nervous system was the spinal cord (61%), followed by the cerebrum (55%) and optic nerves (41%). Nearly all (96%) of the patients with MS had been examined by magnetic resonance imaging, and 226 (94%) patients of those examined were suggestive of MS. No family history of MS was found in any of the patients. Most (86%) of the patients had no or mild disability on the prevalence day (31 December 2004). Almost all (96%) patients with MS had been treated with corticosteroids. Conclusion Clinical features of patients with MS are described based on the information from the largest case series reported among Chinese. Comparisons and discussions are made with findings from the other populations.
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- Lazarus, M, et al.
(författare)
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Adenosine and Sleep
- 2019
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Ingår i: Handbook of experimental pharmacology. - Cham : Springer International Publishing. - 0171-2004. ; 253, s. 359-381
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Tidskriftsartikel (refereegranskat)
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- Pasman, JA, et al.
(författare)
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The CADM2 Gene and Behavior: A Phenome-Wide Scan in UK-Biobank
- 2022
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Ingår i: Behavior genetics. - : Springer Science and Business Media LLC. - 1573-3297 .- 0001-8244. ; 52:4-5, s. 306-314
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Tidskriftsartikel (refereegranskat)abstract
- The cell adhesion molecule 2 (CADM2) gene has appeared among the top associations in a wide range of genome-wide association studies (GWASs). This study aims to: (1) examine how widespread the role of CADM2 is in behavioural traits, and (2) investigate trait-specific effects on CADM2 expression levels across tissues. We conducted a phenome-wide association study in UK Biobank (N = 12,211–453,349) on 242 psycho-behavioral traits, both at the SNP and the gene-level. For comparison, we repeated the analyses for other large (and high LD) genes. We found significant associations between CADM2 and 50 traits (including cognitive, risk taking, and dietary traits), many more than for the comparison genes. We show that many trait associations are reduced when taking geographical stratification into account. S-Predixcan revealed that CADM2 expression in brain tissues was significantly associated with many traits; highly significant effects were also observed for lung, mammary, and adipose tissues. In conclusion, this study shows that the role of CADM2 extends to a wide range of psycho-behavioral traits, suggesting these traits may share a common biological denominator.
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- Schoch, CL, et al.
(författare)
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Nuclear ribosomal internal transcribed spacer (ITS) region as a universal DNA barcode marker for Fungi
- 2012
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Ingår i: Proceedings of the National Academy of Sciences of the United States of America. - : Proceedings of the National Academy of Sciences. - 1091-6490. ; 109:16, s. 6241-6246
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Tidskriftsartikel (refereegranskat)abstract
- Six DNA regions were evaluated as potential DNA barcodes for Fungi, the second largest kingdom of eukaryotic life, by a multinational, multilaboratory consortium. The region of the mitochondrial cytochrome c oxidase subunit 1 used as the animal barcode was excluded as a potential marker, because it is difficult to amplify in fungi, often includes large introns, and can be insufficiently variable. Three subunits from the nuclear ribosomal RNA cistron were compared together with regions of three representative protein-coding genes (largest subunit of RNA polymerase II, second largest subunit of RNA polymerase II, and minichromosome maintenance protein). Although the protein-coding gene regions often had a higher percent of correct identification compared with ribosomal markers, low PCR amplification and sequencing success eliminated them as candidates for a universal fungal barcode. Among the regions of the ribosomal cistron, the internal transcribed spacer (ITS) region has the highest probability of successful identification for the broadest range of fungi, with the most clearly defined barcode gap between inter- and intraspecific variation. The nuclear ribosomal large subunit, a popular phylogenetic marker in certain groups, had superior species resolution in some taxonomic groups, such as the early diverging lineages and the ascomycete yeasts, but was otherwise slightly inferior to the ITS. The nuclear ribosomal small subunit has poor species-level resolution in fungi. ITS will be formally proposed for adoption as the primary fungal barcode marker to the Consortium for the Barcode of Life, with the possibility that supplementary barcodes may be developed for particular narrowly circumscribed taxonomic groups.
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- Zheng, QM, et al.
(författare)
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Family-based association study of the MCF2L2 gene and polycystic ovary syndrome
- 2009
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Ingår i: Gynecologic and obstetric investigation. - : S. Karger AG. - 1423-002X .- 0378-7346. ; 68:3, s. 171-173
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Tidskriftsartikel (refereegranskat)abstract
- <i>Objective:</i> The aim of the study was to determine the association between three single nucleotide polymorphism (SNP) variants (rs35368790, rs35069869 and rs684846) of the MCF2 cell line-derived transforming sequence-like 2 <i>(MCF2L2)</i> gene and polycystic ovary syndrome (PCOS) in PCOS family trios. <i>Methods:</i> Genotyping was done by TaqMan assay that incorporates minor groove-binding probe technology for allelic discrimination. One hundred and fifty-two unrelated PCOS probands and their biological parents were recruited. All subjects were of Han Chinese origin and from Shandong Province. <i>Results:</i> The transmission disequilibrium test (TDT) for allelic association demonstrated that a weak association was detected in SNP rs35368790 with p = 0.008. However, we found no significant transmission distortion of the other two SNPs (rs35069869, χ<sup>2</sup> = 3.645, p = 0.056; rs684846, χ<sup>2</sup> = 1.429, p = 0.232, respectively). <i>Conclusions:</i> These results suggest that the genetic polymorphisms within <i>MCF2L2</i> are likely to confer an increased susceptibility to PCOS in the Chinese population. Our present data may provide a basis for further studies of the role of the <i>MCF2L2</i> gene in the etiology of PCOS.
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