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@ARTICLE{Park:170086,
      author       = {H. A. Park$^*$ and S. Neumeyer$^*$ and K. Michailidou and
                      M. K. Bolla and Q. Wang and J. Dennis and T. U. Ahearn and
                      I. L. Andrulis and H. Anton-Culver and N. N. Antonenkova and
                      V. Arndt$^*$ and K. J. Aronson and A. Augustinsson and A.
                      Baten and L. E. Beane Freeman and H. Becher and M. W.
                      Beckmann and S. Behrens$^*$ and J. Benitez and M. Bermisheva
                      and N. V. Bogdanova and S. E. Bojesen and H. Brauch$^*$ and
                      H. Brenner$^*$ and S. Y. Brucker and B. Burwinkel and D.
                      Campa and F. Canzian$^*$ and J. E. Castelao and S. J.
                      Chanock and G. Chenevix-Trench and C. L. Clarke and D. M.
                      Conroy and F. J. Couch and A. Cox and S. S. Cross and K.
                      Czene and M. B. Daly and P. Devilee and T. Dörk and I.
                      Dos-Santos-Silva and M. Dwek and D. M. Eccles and A. H.
                      Eliassen and C. Engel and M. Eriksson and D. G. Evans and P.
                      A. Fasching and H. Flyger and L. Fritschi and M.
                      García-Closas and J. A. García-Sáenz and M. M. Gaudet and
                      G. G. Giles and G. Glendon and M. S. Goldberg and D. E.
                      Goldgar and A. González-Neira and M. Grip and P. Guénel
                      and E. Hahnen and C. A. Haiman and N. Håkansson and P. Hall
                      and U. Hamann$^*$ and S. Han and E. F. Harkness and S. N.
                      Hart and W. He and B. A. M. Heemskerk-Gerritsen and J. L.
                      Hopper and D. J. Hunter and A. Jager and A. Jakubowska and
                      E. M. John and A. Jung$^*$ and R. Kaaks$^*$ and P. M. Kapoor
                      and R. Keeman and E. Khusnutdinova and C. M. Kitahara and L.
                      B. Koppert and S. Koutros and V. N. Kristensen and A. W.
                      Kurian and J. Lacey and D. Lambrechts and L. Le Marchand and
                      W.-Y. Lo and J. Lubiński and A. Mannermaa and M.
                      Manoochehri$^*$ and S. Margolin and M. E. Martinez and D.
                      Mavroudis and A. Meindl and U. Menon and R. L. Milne and T.
                      A. Muranen and H. Nevanlinna and W. G. Newman and B. G.
                      Nordestgaard and K. Offit and A. F. Olshan and H. Olsson and
                      T.-W. Park-Simon and P. Peterlongo and J. Peto and D.
                      Plaseska-Karanfilska and N. Presneau and P. Radice and G.
                      Rennert and H. S. Rennert and A. Romero and E. Saloustros
                      and E. J. Sawyer and M. K. Schmidt and R. K. Schmutzler and
                      M. J. Schoemaker and L. Schwentner and C. Scott and M. Shah
                      and X.-O. Shu and J. Simard and A. Smeets and M. C. Southey
                      and J. J. Spinelli and V. Stevens and A. J. Swerdlow and R.
                      M. Tamimi and W. J. Tapper and J. A. Taylor and M. B. Terry
                      and I. Tomlinson and M. A. Troester and T. Truong and C. M.
                      Vachon and E. M. van Veen and J. Vijai and S. Wang and C.
                      Wendt and R. Winqvist and A. Wolk and A. Ziogas and A. M.
                      Dunning and P. D. P. Pharoah and D. F. Easton and W. Zheng
                      and P. Kraft and J. Chang-Claude$^*$ and A.-L.
                      Børresen-Dale and G. I. Grenaker Alnæs and K. K. Sahlberg
                      and L. Ottestad and R. Kåresen and E. Schlichting and M. M.
                      Holmen and T. Sauer and V. Haakensen and O. Engebråten and
                      B. Naume and A. Fosså and C. E. Kiserud and K. V.
                      Reinertsen and Å. Helland and M. Riis and J. Geisler and C.
                      Clarke and D. Marsh and R. Scott and R. Baxter and D. Yip
                      and J. Carpenter and A. Davis and N. Pathmanathan and P.
                      Simpson and D. Graham and M. Sachchithananthan and D. Amor
                      and L. Andrews and Y. Antill and R. Balleine and J. Beesley
                      and I. Bennett and M. Bogwitz and L. Botes and M. Brennan
                      and M. Brown and M. Buckley and J. Burke and P. Butow and L.
                      Caldon and I. Campbell and D. Chauhan and M. Chauhan and G.
                      Chenevix-Trench and A. Christian and P. Cohen and A. Colley
                      and A. Crook and J. Cui and M. Cummings and S.-J. Dawson and
                      A. DeFazio and M. Delatycki and R. Dickson and J. Dixon and
                      T. Edkins and S. Edwards and G. Farshid and A. Fellows and
                      G. Fenton and M. Field and J. Flanagan and P. Fong and L.
                      Forrest and S. Fox and J. French and M. Friedlander and C.
                      Gaff and M. Gattas and P. George and S. Greening and M.
                      Harris and S. Hart and N. Hayward and J. Hopper and C.
                      Hoskins and C. Hunt and P. James and M. Jenkins and A. Kidd
                      and J. Kirk and J. Koehler and J. Kollias and S. Lakhani and
                      M. Lawrence and G. Lindeman and L. Lipton and L. Lobb and G.
                      Mann and D. Marsh and S. A. McLachlan and B. Meiser and R.
                      Milne and S. Nightingale and S. O'Connell and S. O'Sullivan
                      and D. G. Ortega and N. Pachter and B. Patterson and A.
                      Pearn and K. Phillips and E. Pieper and E. Rickard and B.
                      Robinson and M. Saleh and E. Salisbury and C. Saunders and
                      J. Saunus and R. Scott and C. Scott and A. Sexton and A.
                      Shelling and P. Simpson and M. Southey and A. Spurdle and J.
                      Taylor and R. Taylor and H. Thorne and A. Trainer and K.
                      Tucker and J. Visvader and L. Walker and R. Williams and I.
                      Winship and M. A. Young},
      collaboration = {NBCS Collaborators and A. Investigators and k.
                      Investigators},
      title        = {{M}endelian randomisation study of smoking exposure in
                      relation to breast cancer risk.},
      journal      = {British journal of cancer},
      volume       = {125},
      number       = {8},
      issn         = {1532-1827},
      address      = {Edinburgh},
      publisher    = {Nature Publ. Group},
      reportid     = {DKFZ-2021-01749},
      pages        = {1135-1145},
      year         = {2021},
      note         = {#EA:C020#LA:C020# /2021 Oct;125(8):1135-1145},
      abstract     = {Despite a modest association between tobacco smoking and
                      breast cancer risk reported by recent epidemiological
                      studies, it is still equivocal whether smoking is causally
                      related to breast cancer risk.We applied Mendelian
                      randomisation (MR) to evaluate a potential causal effect of
                      cigarette smoking on breast cancer risk. Both
                      individual-level data as well as summary statistics for 164
                      single-nucleotide polymorphisms (SNPs) reported in
                      genome-wide association studies of lifetime smoking index
                      (LSI) or cigarette per day (CPD) were used to obtain MR
                      effect estimates. Data from 108,420 invasive breast cancer
                      cases and 87,681 controls were used for the LSI analysis and
                      for the CPD analysis conducted among ever-smokers from
                      26,147 cancer cases and 26,072 controls. Sensitivity
                      analyses were conducted to address pleiotropy.Genetically
                      predicted LSI was associated with increased breast cancer
                      risk (OR 1.18 per SD, $95\%$ CI: 1.07-1.30, P = 0.11 ×
                      10-2), but there was no evidence of association for
                      genetically predicted CPD (OR 1.02, $95\%$ CI: 0.78-1.19, P
                      = 0.85). The sensitivity analyses yielded similar results
                      and showed no strong evidence of pleiotropic effect.Our MR
                      study provides supportive evidence for a potential causal
                      association with breast cancer risk for lifetime smoking
                      exposure but not cigarettes per day among smokers.},
      cin          = {C020 / C071 / C070 / TU01 / C120 / HD01 / C080 / B072 /
                      B070},
      ddc          = {610},
      cid          = {I:(DE-He78)C020-20160331 / I:(DE-He78)C071-20160331 /
                      I:(DE-He78)C070-20160331 / I:(DE-He78)TU01-20160331 /
                      I:(DE-He78)C120-20160331 / I:(DE-He78)HD01-20160331 /
                      I:(DE-He78)C080-20160331 / I:(DE-He78)B072-20160331 /
                      I:(DE-He78)B070-20160331},
      pnm          = {313 - Krebsrisikofaktoren und Prävention (POF4-313)},
      pid          = {G:(DE-HGF)POF4-313},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:34341517},
      doi          = {10.1038/s41416-021-01432-8},
      url          = {https://inrepo02.dkfz.de/record/170086},
}