Search Results - "Howard, Sean"
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Main steps in DNA double-strand break repair: an introduction to homologous recombination and related processes
Published in Chromosoma (01-06-2018)“…DNA double-strand breaks arise accidentally upon exposure of DNA to radiation and chemicals or result from faulty DNA metabolic processes. DNA breaks can also…”
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DNA damage response factors from diverse pathways, including DNA crosslink repair, mediate alternative end joining
Published in PLoS genetics (01-01-2015)“…Alternative end joining (Alt-EJ) chromosomal break repair involves bypassing classical non-homologous end joining (c-NHEJ), and such repair causes mutations…”
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3
CtIP promotes the motor activity of DNA2 to accelerate long-range DNA end resection
Published in Proceedings of the National Academy of Sciences - PNAS (21-04-2020)“…To repair a DNA double-strand break by homologous recombination, 5′-terminated DNA strands must first be resected to reveal 3′- overhangs. This process is…”
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4
Evidence for dispersing 1D Majorana channels in an iron-based superconductor
Published in Science (American Association for the Advancement of Science) (03-01-2020)“…The possible realization of Majorana fermions as quasiparticle excitations in condensed-matter physics has created much excitement. Most studies have focused…”
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Phosphorylated CtIP bridges DNA to promote annealing of broken ends
Published in Proceedings of the National Academy of Sciences - PNAS (01-09-2020)“…The early steps of DNA double-strand break (DSB) repair in human cells involve the MRE11-RAD50-NBS1 (MRN) complex and its cofactor, phosphorylated CtIP. The…”
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6
Evidence for one-dimensional chiral edge states in a magnetic Weyl semimetal Co3Sn2S2
Published in Nature communications (13-07-2021)“…The physical realization of Chern insulators is of fundamental and practical interest, as they are predicted to host the quantum anomalous Hall (QAH) effect…”
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Tetratricopeptide repeat factor XAB2 mediates the end resection step of homologous recombination
Published in Nucleic acids research (08-07-2016)“…We examined the influence of the tetratricopeptide repeat factor XAB2 on chromosomal break repair, and found that XAB2 promotes end resection that generates…”
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8
Nuclear actin structure regulates chromatin accessibility
Published in Nature communications (15-05-2024)“…Polymerized β-actin may provide a structural basis for chromatin accessibility and actin transport into the nucleus can guide mesenchymal stem cell (MSC)…”
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Biological maturity-associated variance in peak power output and momentum in academy rugby union players
Published in European journal of sport science (16-11-2016)“…The study aimed to evaluate the mediating effect of biological maturation on anthropometrical measurements, performance indicators and subsequent selection in…”
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10
Confronting the contradictions between Western and Indigenous science: A critical perspective on two-eyed seeing
Published in AlterNative : an international journal of indigenous peoples (01-03-2021)“…In the mid-2000s, the term Two-Eyed Seeing was introduced by Mi'kmaw Elder Albert Marshall to suggest the complementarity of Western and Indigenous sciences…”
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Target optimization for the photonuclear production of radioisotopes
Published in Applied radiation and isotopes (01-02-2015)“…In this paper we discuss the optimum shape of a target for photonuclear production of radioisotopes using an electron linear accelerator. Different target…”
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BRCA2 controls DNA:RNA hybrid level at DSBs by mediating RNase H2 recruitment
Published in Nature communications (18-12-2018)“…DNA double-strand breaks (DSBs) are toxic DNA lesions, which, if not properly repaired, may lead to genomic instability, cell death and senescence…”
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13
NBS1 promotes the endonuclease activity of the MRE11‐RAD50 complex by sensing CtIP phosphorylation
Published in The EMBO journal (01-04-2019)“…DNA end resection initiates DNA double‐strand break repair by homologous recombination. MRE11‐RAD50‐NBS1 and phosphorylated CtIP perform the first resection…”
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14
Data‐Driven and Cell‐Specific Determination of Nuclei‐Associated Actin Structure
Published in Small structures (01-05-2024)“…Quantitative volumetric assessment of filamentous actin (F‐actin) fibers remains challenging due to their interconnected nature, leading researchers to utilize…”
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Increased deformations are dispensable for encapsulated cell mechanoresponse in engineered bone analogs mimicking aging bone marrow
Published in Mechanobiology in Medicine (01-03-2025)“…Aged individuals and astronauts experience bone loss despite rigorous physical activity. Bone mechanoresponse is in-part regulated by mesenchymal stem cells…”
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Chiral superconductivity in heavy-fermion metal UTe2
Published in Nature (London) (26-03-2020)“…Spin-triplet superconductors are condensates of electron pairs with spin 1 and an odd-parity wavefunction 1 . An interesting manifestation of triplet pairing…”
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Conformers, Energetics, and Basicity of 2,2‘-Bipyridine
Published in Journal of the American Chemical Society (23-10-1996)“…The proton affinities of the cis and trans conformers of 2,2‘-bipyridine have been determined at the MP2/6−31G**//HF/6−31G** level of theory. The neutral…”
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Direct-spun CNT textiles for high-performance electromagnetic interference shielding in an ultra-wide bandwidth
Published in Carbon (New York) (25-03-2023)“…Electromagnetic interference (EMI) generated by electronic devices is disruptive to surrounding electronic components and deemed harmful to human beings. As…”
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Osterix‐driven LINC complex disruption in vivo diminishes osteogenesis at 8 weeks but not at 15 weeks
Published in Journal of orthopaedic research (01-09-2024)“…The Linker of Nucleoskeleton and Cytoskeleton (LINC) complex is a crucial connective component between the nuclear envelope and the cytoskeleton involving…”
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The internal region of CtIP negatively regulates DNA end resection
Published in Nucleic acids research (04-06-2020)“…DNA double-strand breaks are repaired by end-joining or homologous recombination. A key-committing step of recombination is DNA end resection. In resection,…”
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