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@ARTICLE{Owen:858921,
      author       = {Owen, Michael C. and Kulig, Waldemar and Rog, Tomasz and
                      Vattulainen, Ilpo and Strodel, Birgit},
      title        = {{C}holesterol {P}rotects the {O}xidized {L}ipid {B}ilayer
                      from {W}ater {I}njury: {A}n {A}ll-{A}tom {M}olecular
                      {D}ynamics {S}tudy},
      journal      = {The journal of membrane biology},
      volume       = {251},
      number       = {3},
      issn         = {1432-1424},
      address      = {Heidelberg]},
      publisher    = {Springer},
      reportid     = {FZJ-2018-07757},
      pages        = {521 - 534},
      year         = {2018},
      abstract     = {In an effort to delineate how cholesterol protects membrane
                      structure under oxidative stress conditions, we monitored
                      the changes to the structure of lipid bilayers comprising 30
                      $mol\%$ cholesterol and an increasing concentration of Class
                      B oxidized 1-palmitoyl-2-oleoylphosphatidylcholine (POPC)
                      glycerophospholipids, namely,
                      1-palmitoyl-2-(9'-oxo-nonanoyl)-sn-glycero-3-phosphocholine
                      (PoxnoPC), and
                      1-palmitoyl-2-azelaoyl-sn-glycero-3-phosphocholine (PazePC),
                      using atomistic molecular dynamics simulations. Increasing
                      the content of oxidized phospholipids (oxPLs) from 0 to 60
                      $mol\%$ oxPL resulted in a characteristic reduction in
                      bilayer thickness and increase in area per lipid, thereby
                      increasing the exposure of the membrane hydrophobic region
                      to water. However, cholesterol was observed to help reduce
                      water injury by moving into the bilayer core and forming
                      more hydrogen bonds with the oxPLs. Cholesterol also resists
                      altering its tilt angle, helping to maintain membrane
                      integrity. Water that enters the 1-nm-thick core region
                      remains part of the bulk water on either side of the
                      bilayer, with relatively few water molecules able to
                      traverse through the bilayer. In cholesterol-rich membranes,
                      the bilayer does not form pores at concentrations of 60
                      $mol\%$ oxPL as was shown in previous simulations in the
                      absence of cholesterol.},
      cin          = {ICS-6},
      ddc          = {570},
      cid          = {I:(DE-Juel1)ICS-6-20110106},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551)},
      pid          = {G:(DE-HGF)POF3-551},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:29550877},
      UT           = {WOS:000437103200020},
      doi          = {10.1007/s00232-018-0028-9},
      url          = {https://juser.fz-juelich.de/record/858921},
}