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    Ophir Klein, PhD, MD

    TitleAssociate Professor
    SchoolUCSF School of Dentistry
    DepartmentOFS
    Address513 Parnassus Ave
    San Francisco CA 94143
    Phone415-476-4719

       Biography 
       Education and Training
      University of California, San FranciscoGenetics residencySchool of Medicine2007
      Yale UniversityPediatrics residencySchool of Medicine2003
      Yale UniversityM.D.School of Medicine2000
      Yale UniversityPh.D.School of Medicine 1999
      University of California, BerkeleyB.A.1993

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       Bibliographic 
       Publications
      Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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      1. Harjunmaa E, Seidel K, Häkkinen T, Renvoisé E, Corfe IJ, Kallonen A, Zhang ZQ, Evans AR, Mikkola ML, Salazar-Ciudad I, Klein OD, Jernvall J. Replaying evolutionary transitions from the dental fossil record. Nature. 2014 Aug 7; 512(7512):44-8.
        View in: PubMed
      2. Castillo D, Seidel K, Salcedo E, Ahn C, de Sauvage FJ, Klein OD, Barlow LA. Induction of ectopic taste buds by SHH reveals the competency and plasticity of adult lingual epithelium. Development. 2014 Aug; 141(15):2993-3002.
        View in: PubMed
      3. Michailovici I, Harrington HA, Azogui HH, Yahalom-Ronen Y, Plotnikov A, Ching S, Stumpf MP, Klein OD, Seger R, Tzahor E. Nuclear to cytoplasmic shuttling of ERK promotes differentiation of muscle stem/progenitor cells. Development. 2014 Jul; 141(13):2611-20.
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      4. Goodwin AF, Larson JR, Jones KB, Liberton DK, Landan M, Wang Z, Boekelheide A, Langham M, Mushegyan V, Oberoi S, Brao R, Wen T, Johnson R, Huttner K, Grange DK, Spritz RA, Hallgrímsson B, Jheon AH, Klein OD. Craniofacial morphometric analysis of individuals with X-linked hypohidrotic ectodermal dysplasia. Mol Genet Genomic Med. 2014 Sep; 2(5):422-9.
        View in: PubMed
      5. Chavez MG, Hu J, Seidel K, Li C, Jheon A, Naveau A, Horst O, Klein OD. Isolation and culture of dental epithelial stem cells from the adult mouse incisor. J Vis Exp. 2014; (87).
        View in: PubMed
      6. Mues G, Bonds J, Xiang L, Vieira AR, Seymen F, Klein O, D'Souza RN. The WNT10A gene in ectodermal dysplasias and selective tooth agenesis. Am J Med Genet A. 2014 Oct; 164(10):2455-60.
        View in: PubMed
      7. Mendelsohn BA, Jeng LL, Oberoi S, Klein OD. Dental findings in 14q terminal deletion syndrome. Clin Dysmorphol. 2014 Apr; 23(2):60-2.
        View in: PubMed
      8. Goodwin AF, Oberoi S, Landan M, Charles C, Massie JC, Fairley C, Rauen KA, Klein OD. Craniofacial and dental development in Costello syndrome. Am J Med Genet A. 2014 Jun; 164(6):1425-30.
        View in: PubMed
      9. Naveau A, Seidel K, Klein OD. Tooth, hair and claw: comparing epithelial stem cell niches of ectodermal appendages. Exp Cell Res. 2014 Jul 15; 325(2):96-103.
        View in: PubMed
      10. Zhao H, Feng J, Seidel K, Shi S, Klein O, Sharpe P, Chai Y. Secretion of shh by a neurovascular bundle niche supports mesenchymal stem cell homeostasis in the adult mouse incisor. Cell Stem Cell. 2014 Feb 6; 14(2):160-73.
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      11. Ching ST, Cunha GR, Baskin LS, Basson MA, Klein OD. Coordinated activity of Spry1 and Spry2 is required for normal development of the external genitalia. Dev Biol. 2014 Feb 1; 386(1):1-11.
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      12. Li CY, Prochazka J, Goodwin AF, Klein OD. Fibroblast growth factor signaling in mammalian tooth development. Odontology. 2014 Jan; 102(1):1-13.
        View in: PubMed
      13. Kuang-Hsien Hu J, Mushegyan V, Klein OD. On the cutting edge of organ renewal: Identification, regulation, and evolution of incisor stem cells. Genesis. 2014 Feb; 52(2).
        View in: PubMed
      14. Yamada Y, Nakamura S, Klein OD, Ito K. Current trends in stem cell therapy for improvement of bone quality. Histol Histopathol. 2014 Jun; 29(6):691-7.
        View in: PubMed
      15. Klein OD, Oberoi S, Huysseune A, Hovorakova M, Peterka M, Peterkova R. Developmental disorders of the dentition: an update. Am J Med Genet C Semin Med Genet. 2013 Nov; 163(4):318-32.
        View in: PubMed
      16. Goodwin AF, Tidyman WE, Jheon AH, Sharir A, Zheng X, Charles C, Fagin JA, McMahon M, Diekwisch TG, Ganss B, Rauen KA, Klein OD. Abnormal Ras signaling in Costello syndrome (CS) negatively regulates enamel formation. Hum Mol Genet. 2014 Feb 1; 23(3):682-92.
        View in: PubMed
      17. Oishi PE, Klein OD, Keller RL. Developing physician-scientists in the fields of neonatology and pediatric critical care medicine: an effort to formulate a departmental policy. J Pediatr. 2013 Sep; 163(3):616-7.e1.
        View in: PubMed
      18. Zheng L, Warotayanont R, Stahl J, Kunimatsu R, Klein O, Denbesten PK, Zhang Y. Inductive ability of human developing and differentiated dental mesenchyme. Cells Tissues Organs. 2013; 198(2):99-110.
        View in: PubMed
      19. Jones KB, Klein OD. Oral epithelial stem cells in tissue maintenance and disease: the first steps in a long journey. Int J Oral Sci. 2013 Sep; 5(3):121-9.
        View in: PubMed
      20. Cao H, Jheon A, Li X, Sun Z, Wang J, Florez S, Zhang Z, McManus MT, Klein OD, Amendt BA. The Pitx2:miR-200c/141:noggin pathway regulates Bmp signaling and ameloblast differentiation. Development. 2013 Aug; 140(16):3348-59.
        View in: PubMed
      21. Biehs B, Hu JK, Strauli NB, Sangiorgi E, Jung H, Heber RP, Ho S, Goodwin AF, Dasen JS, Capecchi MR, Klein OD. BMI1 represses Ink4a/Arf and Hox genes to regulate stem cells in the rodent incisor. Nat Cell Biol. 2013 Jul; 15(7):846-52.
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      22. Jones KB, Goodwin AF, Landan M, Seidel K, Tran DK, Hogue J, Chavez M, Fete M, Yu W, Hussein T, Johnson R, Huttner K, Jheon AH, Klein OD. Characterization of X-linked hypohidrotic ectodermal dysplasia (XL-HED) hair and sweat gland phenotypes using phototrichogram analysis and live confocal imaging. Am J Med Genet A. 2013 Jul; 161A(7):1585-93.
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      23. Lagronova-Churava S, Spoutil F, Vojtechova S, Lesot H, Peterka M, Klein OD, Peterkova R. The dynamics of supernumerary tooth development are differentially regulated by Sprouty genes. J Exp Zool B Mol Dev Evol. 2013 Jul; 320(5):307-20.
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      24. Nusse YM, Klein OD. If a stem cell dies in the crypt, and no one is around to see it…. Cell Stem Cell. 2013 Apr 4; 12(4):389-90.
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      25. Juuri E, Jussila M, Seidel K, Holmes S, Wu P, Richman J, Heikinheimo K, Chuong CM, Arnold K, Hochedlinger K, Klein O, Michon F, Thesleff I. Sox2 marks epithelial competence to generate teeth in mammals and reptiles. Development. 2013 Apr; 140(7):1424-32.
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      26. Yamada Y, Nakamura S, Ito K, Umemura E, Hara K, Nagasaka T, Abe A, Baba S, Furuichi Y, Izumi Y, Klein OD, Wakabayashi T. Injectable bone tissue engineering using expanded mesenchymal stem cells. Stem Cells. 2013 Mar; 31(3):572-80.
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      27. Plaks V, Brenot A, Lawson DA, Linnemann JR, Van Kappel EC, Wong KC, de Sauvage F, Klein OD, Werb Z. Lgr5-expressing cells are sufficient and necessary for postnatal mammary gland organogenesis. Cell Rep. 2013 Jan 31; 3(1):70-8.
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      28. Felfly H, Klein OD. Sprouty genes regulate proliferation and survival of human embryonic stem cells. Sci Rep. 2013; 3:2277.
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      29. Wan M, Gao B, Sun F, Tang Y, Ye L, Fan Y, Klein OD, Zhou X, Zheng L. microRNA miR-34a regulates cytodifferentiation and targets multi-signaling pathways in human dental papilla cells. PLoS One. 2012; 7(11):e50090.
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      30. Griffin JN, Compagnucci C, Hu D, Fish J, Klein O, Marcucio R, Depew MJ. Fgf8 dosage determines midfacial integration and polarity within the nasal and optic capsules. Dev Biol. 2013 Feb 1; 374(1):185-97.
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      31. Justice CM, Yagnik G, Kim Y, Peter I, Jabs EW, Erazo M, Ye X, Ainehsazan E, Shi L, Cunningham ML, Kimonis V, Roscioli T, Wall SA, Wilkie AO, Stoler J, Richtsmeier JT, Heuzé Y, Sanchez-Lara PA, Buckley MF, Druschel CM, Mills JL, Caggana M, Romitti PA, Kay DM, Senders C, Taub PJ, Klein OD, Boggan J, Zwienenberg-Lee M, Naydenov C, Kim J, Wilson AF, Boyadjiev SA. A genome-wide association study identifies susceptibility loci for nonsyndromic sagittal craniosynostosis near BMP2 and within BBS9. Nat Genet. 2012 Dec; 44(12):1360-4.
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      32. Goodwin AF, Oberoi S, Landan M, Charles C, Groth J, Martinez A, Fairley C, Weiss LA, Tidyman WE, Klein OD, Rauen KA. Craniofacial and dental development in cardio-facio-cutaneous syndrome: the importance of Ras signaling homeostasis. Clin Genet. 2013 Jun; 83(6):539-44.
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      33. Chavez MG, Yu W, Biehs B, Harada H, Snead ML, Lee JS, Desai TA, Klein OD. Characterization of dental epithelial stem cells from the mouse incisor with two-dimensional and three-dimensional platforms. Tissue Eng Part C Methods. 2013 Jan; 19(1):15-24.
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      34. Juuri E, Saito K, Ahtiainen L, Seidel K, Tummers M, Hochedlinger K, Klein OD, Thesleff I, Michon F. Sox2+ stem cells contribute to all epithelial lineages of the tooth via Sfrp5+ progenitors. Dev Cell. 2012 Aug 14; 23(2):317-28.
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      35. Horst OV, Chavez MG, Jheon AH, Desai T, Klein OD. Stem cell and biomaterials research in dental tissue engineering and regeneration. Dent Clin North Am. 2012 Jul; 56(3):495-520.
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      36. Kyrylkova K, Kyryachenko S, Biehs B, Klein O, Kioussi C, Leid M. BCL11B regulates epithelial proliferation and asymmetric development of the mouse mandibular incisor. PLoS One. 2012; 7(5):e37670.
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      37. Jheon AH, Seidel K, Biehs B, Klein OD. From molecules to mastication: the development and evolution of teeth. Wiley Interdiscip Rev Dev Biol. 2013 Mar-Apr; 2(2):165-82.
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      38. Li CY, Cha W, Luder HU, Charles RP, McMahon M, Mitsiadis TA, Klein OD. E-cadherin regulates the behavior and fate of epithelial stem cells and their progeny in the mouse incisor. Dev Biol. 2012 Jun 15; 366(2):357-66.
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      39. Purcell P, Jheon A, Vivero MP, Rahimi H, Joo A, Klein OD. Spry1 and spry2 are essential for development of the temporomandibular joint. J Dent Res. 2012 Apr; 91(4):387-93.
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      40. Tian H, Biehs B, Warming S, Leong KG, Rangell L, Klein OD, de Sauvage FJ. A reserve stem cell population in small intestine renders Lgr5-positive cells dispensable. Nature. 2011 Oct 13; 478(7368):255-9.
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      41. Jheon AH, Li CY, Wen T, Michon F, Klein OD. Expression of microRNAs in the stem cell niche of the adult mouse incisor. PLoS One. 2011; 6(9):e24536.
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      42. Charles C, Hovorakova M, Ahn Y, Lyons DB, Marangoni P, Churava S, Biehs B, Jheon A, Lesot H, Balooch G, Krumlauf R, Viriot L, Peterkova R, Klein OD. Regulation of tooth number by fine-tuning levels of receptor-tyrosine kinase signaling. Development. 2011 Sep; 138(18):4063-73.
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      43. Petersen CI, Jheon AH, Mostowfi P, Charles C, Ching S, Thirumangalathu S, Barlow LA, Klein OD. FGF signaling regulates the number of posterior taste papillae by controlling progenitor field size. PLoS Genet. 2011 Jun; 7(6):e1002098.
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      44. Hochheiser H, Aronow BJ, Artinger K, Beaty TH, Brinkley JF, Chai Y, Clouthier D, Cunningham ML, Dixon M, Donahue LR, Fraser SE, Hallgrimsson B, Iwata J, Klein O, Marazita ML, Murray JC, Murray S, de Villena FP, Postlethwait J, Potter S, Shapiro L, Spritz R, Visel A, Weinberg SM, Trainor PA. The FaceBase Consortium: a comprehensive program to facilitate craniofacial research. Dev Biol. 2011 Jul 15; 355(2):175-82.
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      45. Hovorakova M, Prochazka J, Lesot H, Smrckova L, Churava S, Boran T, Kozmik Z, Klein O, Peterkova R, Peterka M. Shh expression in a rudimentary tooth offers new insights into development of the mouse incisor. J Exp Zool B Mol Dev Evol. 2011 Jul 15; 316(5):347-58.
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      46. Jheon AH, Mostowfi P, Snead ML, Ihrie RA, Sone E, Pramparo T, Attardi LD, Klein OD. PERP regulates enamel formation via effects on cell-cell adhesion and gene expression. J Cell Sci. 2011 Mar 1; 124(Pt 5):745-54.
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      47. Milunsky JM, Maher TM, Zhao G, Wang Z, Mulliken JB, Chitayat D, Clemens M, Stalker HJ, Bauer M, Burch M, Chénier S, Cunningham ML, Drack AV, Janssens S, Karlea A, Klatt R, Kini U, Klein O, Lachmeijer AM, Megarbane A, Mendelsohn NJ, Meschino WS, Mortier GR, Parkash S, Ray CR, Roberts A, Roberts A, Reardon W, Schnur RE, Smith R, Splitt M, Tezcan K, Whiteford ML, Wong DA, Zori R, Lin AE. Genotype-phenotype analysis of the branchio-oculo-facial syndrome. Am J Med Genet A. 2011 Jan; 155A(1):22-32.
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      48. Parsa S, Kuremoto K, Seidel K, Tabatabai R, Mackenzie B, Yamaza T, Akiyama K, Branch J, Koh CJ, Al Alam D, Klein OD, Bellusci S. Signaling by FGFR2b controls the regenerative capacity of adult mouse incisors. Development. 2010 Nov; 137(22):3743-52.
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      49. Seidel K, Ahn CP, Lyons D, Nee A, Ting K, Brownell I, Cao T, Carano RA, Curran T, Schober M, Fuchs E, Joyner A, Martin GR, de Sauvage FJ, Klein OD. Hedgehog signaling regulates the generation of ameloblast progenitors in the continuously growing mouse incisor. Development. 2010 Nov; 137(22):3753-61.
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      50. Jelin A, Perry H, Hogue J, Oberoi S, Cotter PD, Klein OD. Clefting in trisomy 9p patients: genotype-phenotype correlation using microarray comparative genomic hybridization. J Craniofac Surg. 2010 Sep; 21(5):1376-9.
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      51. Ahn Y, Sanderson BW, Klein OD, Krumlauf R. Inhibition of Wnt signaling by Wise (Sostdc1) and negative feedback from Shh controls tooth number and patterning. Development. 2010 Oct; 137(19):3221-31.
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      52. Prochazka J, Pantalacci S, Churava S, Rothova M, Lambert A, Lesot H, Klein O, Peterka M, Laudet V, Peterkova R. Patterning by heritage in mouse molar row development. Proc Natl Acad Sci U S A. 2010 Aug 31; 107(35):15497-502.
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      53. Kettunen P, Kivimäe S, Keshari P, Klein OD, Cheyette BN, Luukko K. Dact1-3 mRNAs exhibit distinct expression domains during tooth development. Gene Expr Patterns. 2010 Feb-Mar; 10(2-3):140-3.
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      54. Charles C, Lazzari V, Tafforeau P, Schimmang T, Tekin M, Klein O, Viriot L. Modulation of Fgf3 dosage in mouse and men mirrors evolution of mammalian dentition. Proc Natl Acad Sci U S A. 2009 Dec 29; 106(52):22364-8.
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      55. Boran T, Peterkova R, Lesot H, Lyons DB, Peterka M, Klein OD. Temporal analysis of ectopic enamel production in incisors from sprouty mutant mice. J Exp Zool B Mol Dev Evol. 2009 Jul 15; 312B(5):473-85.
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      56. Peterkova R, Churava S, Lesot H, Rothova M, Prochazka J, Peterka M, Klein OD. Revitalization of a diastemal tooth primordium in Spry2 null mice results from increased proliferation and decreased apoptosis. J Exp Zool B Mol Dev Evol. 2009 Jun 15; 312B(4):292-308.
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      57. Catón J, Luder HU, Zoupa M, Bradman M, Bluteau G, Tucker AS, Klein O, Mitsiadis TA. Enamel-free teeth: Tbx1 deletion affects amelogenesis in rodent incisors. Dev Biol. 2009 Apr 15; 328(2):493-505.
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      58. Kalfa N, Liu B, Klein O, Wang MH, Cao M, Baskin LS. Genomic variants of ATF3 in patients with hypospadias. J Urol. 2008 Nov; 180(5):2183-8; discussion 2188.
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      59. Kalfa N, Liu B, Klein O, Ophir K, Audran F, Wang MH, Mei C, Sultan C, Baskin LS. Mutations of CXorf6 are associated with a range of severities of hypospadias. Eur J Endocrinol. 2008 Oct; 159(4):453-8.
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      60. Klein OD, Kostiner DR, Weisiger K, Moffatt E, Lindeman N, Goodman S, Tuchman M, Packman S. Acute fatal presentation of ornithine transcarbamylase deficiency in a previously healthy male. Hepatol Int. 2008 Sep; 2(3):390-4.
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      61. Metzger RJ, Klein OD, Martin GR, Krasnow MA. The branching programme of mouse lung development. Nature. 2008 Jun 5; 453(7196):745-50.
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      62. Klein OD, Lyons DB, Balooch G, Marshall GW, Basson MA, Peterka M, Boran T, Peterkova R, Martin GR. An FGF signaling loop sustains the generation of differentiated progeny from stem cells in mouse incisors. Development. 2008 Jan; 135(2):377-85.
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      63. Klein OD, Cotter PD, Moore MW, Zanko A, Gilats M, Epstein CJ, Conte F, Rauen KA. Interstitial deletions of chromosome 6q: genotype-phenotype correlation utilizing array CGH. Clin Genet. 2007 Mar; 71(3):260-6.
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      64. D'Souza RN, Klein OD. Unraveling the molecular mechanisms that lead to supernumerary teeth in mice and men: current concepts and novel approaches. Cells Tissues Organs. 2007; 186(1):60-9.
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      65. Klein OD, Minowada G, Peterkova R, Kangas A, Yu BD, Lesot H, Peterka M, Jernvall J, Martin GR. Sprouty genes control diastema tooth development via bidirectional antagonism of epithelial-mesenchymal FGF signaling. Dev Cell. 2006 Aug; 11(2):181-90.
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      66. Klein OD, Cotter PD, Schmidt AM, Bick DP, Tidyman WE, Albertson DG, Pinkel D, Rauen KA. Interstitial deletion of chromosome 12q: genotype-phenotype correlation of two patients utilizing array comparative genomic hybridization. Am J Med Genet A. 2005 Nov 1; 138(4):349-54.
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      67. Ahn CP, Lachman RS, Cox VA, Blumberg B, Klein OD. Brachydactylic multiple delta phalanges plus syndrome. Am J Med Genet A. 2005 Sep 15; 138(1):41-4.
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      68. Klein OD, Backstrand K, Cotter PD, Marco E, Sherr E, Slavotinek A. Case report: Y;6 translocation with deletion of 6p. Clin Dysmorphol. 2005 Apr; 14(2):93-6.
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      69. Klein OD, Cotter PD, Albertson DG, Pinkel D, Tidyman WE, Moore MW, Rauen KA. Prader-Willi syndrome resulting from an unbalanced translocation: characterization by array comparative genomic hybridization. Clin Genet. 2004 Jun; 65(6):477-82.
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      70. Klein O, Kegler-Ebo D, Su J, Smith S, DiMaio D. The bovine papillomavirus E5 protein requires a juxtamembrane negative charge for activation of the platelet-derived growth factor beta receptor and transformation of C127 cells. J Virol. 1999 Apr; 73(4):3264-72.
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      71. Surti T, Klein O, Aschheim K, DiMaio D, Smith SO. Structural models of the bovine papillomavirus E5 protein. Proteins. 1998 Dec 1; 33(4):601-12.
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      72. Klein O, Polack GW, Surti T, Kegler-Ebo D, Smith SO, DiMaio D. Role of glutamine 17 of the bovine papillomavirus E5 protein in platelet-derived growth factor beta receptor activation and cell transformation. J Virol. 1998 Nov; 72(11):8921-32.
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      73. DiMaio D, Lai CC, Klein O. Virocrine transformation: the intersection between viral transforming proteins and cellular signal transduction pathways. Annu Rev Microbiol. 1998; 52:397-421.
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