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by Yu Hon Ming. / Thesis (M.Sc.)--Chinese University of Hong Kong, 1996. / Includes bibliographical references (leaves 70-74). / Abstract --- p.ii / Acknowledgements --- p.v / Abbreviations --- p.vi / List of tables and figures --- p.viii / Chapter Chapter I. --- Introduction / Chapter 1. --- Background --- p.1 / Chapter 2. --- Physiology of prostate --- p.3 / Chapter 2.1. --- Prostate --- p.3 / Chapter 2.2. --- Embryonic development of prostate --- p.3 / Chapter 2.3. --- Anatomy of prostate --- p.5 / Chapter 2.4. --- The role of steroids in the growth of prostate --- p.7 / Chapter 2.4.1. --- T --- p.7 / Chapter 2.4.2. --- DHT --- p.8 / Chapter 2.5. --- 5α-reductase --- p.10 / Chapter 3. --- Pathophysiology of BPH --- p.11 / Chapter 3.1. --- Anatomic progression of BPH --- p.11 / Chapter 3.2. --- Epidemiology of BPH --- p.11 / Chapter 3.3. --- Pathogenesis of BPH --- p.12 / Chapter 3.4. --- Clinical manifestations of BPH --- p.13 / Chapter 3.5. --- Diagnosis of BPH --- p.14 / Chapter 4. --- Treatment of BPH --- p.15 / Chapter 4.1. --- a-adrenergic antagonist --- p.16 / Chapter 4.2. --- DHT hypothesis --- p.16 / Chapter 4.3. --- 5α-reductase inhibitor --- p.17 / Chapter 5. --- Radioimmunoassay of DHT --- p.21 / Chapter 6. --- Objectives --- p.22 / Chapter Chapter II. --- Materials and methods --- p.23 / Chapter 1. --- Materials and methods for development of specific RIA for serum DHT --- p.23 / Chapter 1.1. --- Materials --- p.23 / Chapter 1.2. --- Methods --- p.23 / Chapter 1.2.1. --- Antiserum for DHT-RIA --- p.23 / Chapter 1.2.1.1. --- Optimal antibody titre and dilution curve for DHT-RIA --- p.24 / Chapter 1.2.1.2. --- Cross-reactivity with related steroids --- p.25 / Chapter 1.2.2. --- KMnO4 treatment of T antiserum for DHT-RIA --- p.26 / Chapter 1.2.2.1. --- Optimization of KMnO4 treatment --- p.26 / Chapter 1.2.2.2. --- Upper limit of oxidizing power of 0.5% KMnO4 --- p.27 / Chapter 1.2.2.3. --- Efficiency and background effect of 0.5% KMnO4 oxidation on DHT-RIA --- p.28 / Chapter 1.2.3. --- Characteristic of DHT-RIA --- p.29 / Chapter 1.2.3.1. --- Standard preparation --- p.29 / Chapter 1.2.3.2. --- Blank preparation --- p.30 / Chapter 1.2.3.3. --- Control preparation --- p.31 / Chapter 1.2.3.4. --- Sample preparation --- p.31 / Chapter 1.2.3.5. --- Dextran-coated charcoal --- p.31 / Chapter 1.2.3.6. --- DHT-RIA procedure --- p.32 / Chapter 1.2.3.7. --- Sensitivity test for DHT-RIA --- p.33 / Chapter 1.2.3.8. --- Linearity test for DHT-RIA --- p.33 / Chapter 1.2.3.9. --- Recovery test for DHT-RIA --- p.34 / Chapter 1.2.3.10. --- Precision test for DHT-RIA --- p.34 / Chapter 2. --- Materials and methods for establishing reference range of DHT in Chinese males and females --- p.35 / Chapter 2.1. --- Samples --- p.35 / Chapter 2.2. --- Methods --- p.35 / Chapter 2.2.1. --- DHT determination --- p.35 / Chapter 2.2.2. --- T determination --- p.36 / Chapter 2.2.3. --- Cholesterol determination --- p.37 / Chapter 3. --- Materials and methods for a small clinical trial on the usefulness of 5α-reductase inhibitor (finasteride) in the treatment of BPH --- p.38 / Chapter 3.1. --- Samples --- p.38 / Chapter 3.2. --- Methods --- p.38 / Chapter 4. --- Statistical analysis --- p.39 / Chapter Chapter III. --- Result --- p.40 / Chapter 1. --- DHT-RIA --- p.40 / Chapter 1.1. --- Antiserum for DHT-RIA / Chapter 1.1.1. --- Optimal antibody titre for DHT-RIA --- p.40 / Chapter 1.1.2. --- Cross reactivity with related steroids --- p.42 / Chapter 1.2. --- KMnO4 treatment of T antiserum for DHT-RIA --- p.43 / Chapter 1.2.1. --- Optimization of KMnO4 treatment --- p.43 / Chapter 1.2.2. --- Upper limit of oxidizing power of 0.5% KMnO4 --- p.44 / Chapter 1.2.3. --- Efficiency and background effect of 0.5% KMnO4 treatment on DHT-RIA --- p.45 / Chapter 1.3. --- Characterization of the DHT-RIA --- p.47 / Chapter 2. --- Reference range for DHT in Chinese males and females --- p.51 / Chapter 2.1. --- Reference range of DHT in three different study groups --- p.51 / Chapter 2.2. --- Ratio of DHT/T in Chinese males and Caucasian males --- p.52 / Chapter 2.3. --- Correlation studies --- p.53 / Chapter 3. --- Results of small clinical trial --- p.54 / Chapter 3.1. --- Mean serum analyte changes during the course --- p.54 / Chapter 3.2. --- Changes in analyte concentrations during the course --- p.56 / Chapter 3.3. --- Difference in mean serum analytes between BPH males predose level and normal males with and without age matching --- p.57 / Chapter 3.4. --- "The response, percentage change of DHT and DHT/T ratio of individual patient during the course of study" --- p.58 / Chapter Chapter IV. --- Discussion --- p.59 / Chapter 1. --- Radioimmunoassay for DHT --- p.59 / Chapter 2 . --- Establishment of DHT reference range in Chinese males and females --- p.62 / Chapter 3. --- The usefulness of 5a reductase inhibitor in the treatment of BPH --- p.65 / Chapter Chapter V. --- Conclusion --- p.69 / References --- p.70