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Identification and Cryopreservation of Type a Spermatogonia in Chinese Crossbred Buffalo(Swamp×River)

ABSTRACT第8-10页
摘要第11-14页
1. Review of Literature第14-26页
    1.1 Preamble第14页
    1.2 Testis第14-15页
    1.3 Spermatogenesis第15-16页
    1.4 Stages of Spermatogenesis第16-18页
        1.4.1 Mitosis第16页
        1.4.2 Meiosis第16页
        1.4.3 Spermiogenesis第16-18页
    1.5 In vivo spermatogenesis第18页
    1.6 In vitro spermatogenesis第18-19页
    1.7 Comparison of spermatogenesis in rodents and bovine第19-20页
    1.8 Strategies for isolation of spermatogonial stem cells第20-21页
        1.8.1 Mechanical Isolation第20-21页
        1.8.2 Enzymatic Isolation第21页
    1.9 Purification/Enrichment of spermatogonial stem cells第21-23页
        1.9.1 Laminin Selection第21页
        1.9.2 Flow Cytometry第21-22页
        1.9.3 Percoll density gradient separation第22-23页
        1.9.4 Morphology based enrichment第23页
    1.10 Identification of Spermatogonia第23-26页
        1.10.1 Cluster Designation 34第24页
        1.10.2 Podocalyxin第24页
        1.10.3 Caudal type homebox 2第24-25页
        1.10.4 Zinc finger protein 42第25-26页
2. Isolation,identification and enrichment of type A spermatogonia from the testis of Chinese crossbred buffaloes(Swamp×River)第26-42页
    2.1 Introduction第26-27页
    2.2 Materials and Methods第27-32页
        2.2.1 Testes collection and tissue preparation第27-28页
        2.2.2 Testicular Histology第28页
        2.2.3 Cell viability and yield第28页
        2.2.4 Immunohistochemistry and Immunocytochemistry第28-29页
        2.2.5 Experimental Design第29-32页
        2.2.6 Statistical Analysis第32页
    2.3 Results第32-39页
        2.3.1 Testicular histology第32-36页
        2.3.2 Identification of spermatogonia in the testis and after isolation第36页
        2.3.3 Application of erythrocyte lysis buffer solution第36-37页
        2.3.4 Selection of isolation strategy第37-38页
        2.3.5 Application of ECM molecules for the enrichment of type A spermatogonia第38-39页
    2.4 Discussion第39-42页
3. Cryopreservation of Type A spermatogonia in Chinese crossbred buffaloes (Swamp ×River)第42-50页
    3.1 Introduction第42-43页
    3.2 Material and methods第43-45页
        3.2.1 Testes collection and tissue preparation第43页
        3.2.2 Histology and immunohistochemistry第43-44页
        3.2.3 Isolation of Type A spermatogonia第44页
        3.2.4 Cell viability第44页
        3.2.5 Cryopreservation and thawing第44-45页
        3.2.6 Analysis of oxidative stress parameters第45页
        3.2.7 Statistical Analysis第45页
    3.3 Results第45-47页
        3.3.1 Testicular histology and immunohistochemistry第45-46页
        3.3.2 Effect of taurine on viability after thawing第46-47页
        3.3.3 Analysis of oxidative stress parameters第47页
    3.4 Discussion第47-50页
4. Expression analysis of spermatogonia specific markers in Chinese crossbred buffalo(Swamp x River)第50-63页
    4.1 Introduction第50-51页
    4.2 Materials and methods第51-54页
        4.2.1 Testes collection and tissue preparation第51页
        4.2.2 Isolation of spermatogonial stem cells(SSCs)第51-52页
        4.2.3 Immunohistochemistry of testis tissues第52页
        4.2.4 RNA extraction and cDNA synthesis第52页
        4.2.5 Polymerase Chain Reaction,cloning and sequencing of CD34,PODXL,CDX2 and REX1第52-53页
        4.2.6 Bioinformatic Analyses第53页
        4.2.7 Quantitative real-time PCR第53-54页
        4.2.8 Western-Blot Analysis第54页
        4.2.9 Statistical analysis第54页
    4.3 Results第54-61页
        4.3.1 CD34,PODXL,REX1 and CDX2 mRNA is expressed in testis of prepubertal and adult buffalo bulls第54-55页
        4.3.2 Spermatogonia express CD34,PODXL,REX1 and CDX2第55-60页
        4.3.3 Quantitative real-time PCR第60页
        4.3.4 Western blotting第60-61页
    4.4 Discussion第61-63页
5. Conclusions and Future Directions第63-64页
References第64-73页
Curriculum Vitea第73-75页
ACKNOWLEDGEMENTS第75页

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