| The Committee's Preface | 5 | 
 
  | Summary | 7 | 
 
  | I | Introduction | 21 | 
 
  | II | Gene Doping: Scientific Basis and Perspectives of Use | 27 | 
 
  |  |  | 1 | Current situation: limits and targets | 27 | 
 
  |  |  |  |  | 1.1 | Relevant knowldege about high-performance variants | 28 | 
 
  |  |  |  |  | 1.2 | Gene regulation – target for gene doping | 30 | 
 
  |  |  |  |  | 1.3 | Gene therapy: principle and approach | 32 | 
 
  |  |  |  |  | 1.4 | Gene doping – in the narrow and broad senses | 36 | 
 
  |  |  | 2 | Potential biological targets for gene doping | 38 | 
 
  |  |  |  |  | 2.1 | Skeletal muscle | 39 | 
 
  |  |  |  |  | 2.2 | Modulation of oxygen supply | 46 | 
 
  |  |  |  |  | 2.3 | Modulation of energy supply | 50 | 
 
  |  |  |  |  | 2.4 | Overview of Gene doping methods | 53 | 
 
  |  |  |  |  | 2.5 | Development projects in the field of gene therapy | 55 | 
 
  |  |  | 3 | Specific health risks? | 59 | 
 
  |  |  | 4 | Perspectives of use | 63 | 
 
  |  |  |  |  | 4.1 | Routes of access | 63 | 
 
  |  |  |  |  | 4.2 | Access points and diffusion factors | 66 | 
 
  | III | Detectability and Test Development | 69 | 
 
  |  |  | 1 | Detectability | 70 | 
 
  |  |  |  |  | 1.1 | Direct methods of detection | 70 | 
 
  |  |  |  |  | 1.2 | Indirect methods of detection | 73 | 
 
  |  |  | 2 | Requirements of (gene) doping tests | 77 | 
 
  | IV | Gene Doping: Prohibition and control Procedures | 81 | 
 
  |  |  | 1 | The World Anti-Doping Code: the international legal basis for sports organizations and public
   authorities | 82 | 
 
  |  |  | 2 | The NADA Code: the legal basis for sport in Germany | 87 | 
 
  |  |  |  |  | 2.1 | Statutes of association of sports organizations | 88 | 
 
  |  |  |  |  | 2.2 | Doping control procedures | 91 | 
 
  |  |  |  |  | 2.3 | Limits to the doping control process | 101 | 
 
  |  |  |  |  | 2.4 | Other approaches to doping control | 106 | 
 
  |  |  | 3 | (Gene) doping in the context of public law | 107 | 
 
  |  |  |  |  | 3.1 | International agreements | 108 | 
 
  |  |  |  |  | 3.2 | German law | 109 | 
 
  | V | Doping Behavior in its social setting | 115 | 
 
  |  |  | 1 | Competitive sport | 116 | 
 
  |  |  |  |  | 1.1 | Attitudes and behavior | 116 | 
 
  |  |  |  |  | 1.2 | The athlete’s milieu | 126 | 
 
  |  |  | 2 | Individual sport | 134 | 
 
  |  |  |  |  | 2.1 | Bodybuilding | 134 | 
 
  |  |  |  |  | 2.2 | Excursus: older athletes | 138 | 
 
  | VI | Need for Information and Action | 141 | 
 
  | Bibliograhpy | 145 | 
 
  |  |  | 1 | Commissioned expert reports | 145 | 
 
  |  |  | 2 | Other sources | 145 | 
 
  | Appendix | 153 | 
 
  |  |  | 1 | List of tables | 153 | 
 
  |  |  | 2 | List of figures | 153 |