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Showing 1–9 of 9 results
Advanced filters: Author: Nickels Jensen Clear advanced filters

  • Super-resolution microscopy using wavelengths in the near infrared (NIR) optical window is particularly appealing for live cell and tissue imaging, yet largely unexplored. Here the authors present NIR-STED nanoscopy of living mammalian cells using the new bacteriophytochrome-based fluorescent protein SNIFP.

    • Maria Kamper
    • Haisen Ta
    • Stefan Jakobs
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-7

  • Stig Bojesen, Georgia Chenevix-Trench, Alison Dunning and colleagues report common variants at the TERT-CLPTM1L locus associated with mean telomere length measured in whole blood. They also identify associations at this locus to breast or ovarian cancer susceptibility and report functional studies in breast and ovarian cancer tissue and cell lines.

    • Stig E Bojesen
    • Karen A Pooley
    • Alison M Dunning
    Research
    Nature Genetics
    Volume: 45, P: 371-384

  • Paul Pharoah, Joellen Schildkraut, Thomas Sellers and colleagues report a meta-analysis of genome-wide association studies for epithelial ovarian cancer and genotyping using the iCOGS array in 18,174 cases and 26,134 controls from 43 studies from the Ovarian Cancer Association Consortium. They identify three new ovarian cancer susceptibility loci, including one specific to the serous subtype, and their integrated molecular analysis of genes and regulatory regions at these loci suggests disease mechanisms.

    • Paul D P Pharoah
    • Ya-Yu Tsai
    • Thomas A Sellers
    Research
    Nature Genetics
    Volume: 45, P: 362-370

  • Super-resolution optical fluctuation imaging provides 3D images of biological specimens via blinking fluorophores. Geissbuehler et al. present a multiplexed version of this method that captures images at multiple focal planes simultaneously, reducing the acquisition time compared with standard approaches.

    • Stefan Geissbuehler
    • Azat Sharipov
    • Marcel Leutenegger
    ResearchOpen Access
    Nature Communications
    Volume: 5, P: 1-7

  • HNF1B is overexpressed in the clear cell subtype and epigenetically silenced in the serous subtype of ovarian cancer. Pearce and colleagues now show that genetic variants in HNF1B are differentially associated with risks of developing these two cancer subtypes, possibly through an epigenetic mechanism.

    • Hui Shen
    • Brooke L. Fridley
    • Celeste Leigh Pearce
    ResearchOpen Access
    Nature Communications
    Volume: 4, P: 1-10

  • Ruhlandt et al. report a plasmonic nanocavity-based method to measure absolute values of quantum yield of commonly used fluorescent proteins. The method is calibration-free, does not require knowledge about maturation or potential dark states, and works on minute amounts of sample. Authors are further able to determine lifetime and quantum yield of several fluorescent proteins, which would be a good resource for researchers working with them.

    • Daja Ruhlandt
    • Martin Andresen
    • Alexey I. Chizhik
    ResearchOpen Access
    Communications Biology
    Volume: 3, P: 1-7

  • In an inter-laboratory study, the authors compare the accuracy and performance of three optical density calibration protocols (colloidal silica, serial dilution of silica microspheres, and colony-forming unit (CFU) assay). They demonstrate that serial dilution of silica microspheres is the best of these tested protocols, allowing precise and robust calibration that is easily assessed for quality control and can also evaluate the effective linear range of an instrument.

    • Jacob Beal
    • Natalie G. Farny
    • Jiajie Zhou
    ResearchOpen Access
    Communications Biology
    Volume: 3, P: 1-29