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Effects of Ruminal Infusion of Butyrate on Papillae Growth and Short Chain Fatty Acids Absorption in the Rumen of Goats

ABSTRACT第10-12页
LIST OF ABBREVIATIONS第17-19页
INTRODUCTION第19-21页
CHAPTER 1 REVIEW OF LITERATURE第21-65页
    PART Ⅰ.ANATOMY OF THE RUMINANT DIGESTIVE SYSTEM第21-24页
    PART-Ⅱ AN OVERVIEW OF RUMEN STRUCTURE AND FUNCTION第24-34页
        1. RUMEN DEVELOPMENT第24-25页
        2. STORAGE AND PROCESS OF FOOD(DIGESTA)第25-26页
        3. RUMEN PAPILLAE第26页
        4. RUMEN EPITHELIUM第26-27页
        5. FATE OF SCFA FROM RUMINAL PRODUCTION TO THE PERIPHERAL UTILIZATION第27-34页
            5.1. Rumen Fermentation(Formation and production of SCFA)第27-29页
            5.2. Transportation through rumen wall第29-31页
                5.2.1 Role of MCT Transporters第30-31页
                5.2.2 Active Transport第31页
            5.3. Intraepithelial SCFA Metabolism第31-33页
            5.4. Hepatic and Peripheral SCFA Metabolism第33-34页
    PART-Ⅲ EFFECTS OF BUTYRATE ON RUMEN FUNCTION AND PAPILLAEGROWTH第34-53页
        1. RUMEN EPITHELIUM PREFERS BUTYRATE AS ENERGY SOURCE第34页
        2. FATE OF BUTYRATE IN RUMEN第34-37页
        3. EFFECTS OF BUTYRATE ON ANIMAL PERFORMANCE AND RUMEN GROWTH第37-38页
        4. EFFECTS OF BUTYRATE ON PAPILLAE GROWTH第38-50页
            4.1. Number and size of papillae第38-39页
            4.2. Rumen epithelium第39-41页
            4.3. Epithelial proliferation第41-46页
            4.4. Possible role of butyrate in cell proliferation and associated gene expression in the rumen epithelium第46-47页
            4.5. Mechanism of butyrate action on epithelial proliferation第47-50页
                4.5.1. Direct pathway第47-48页
                4.5.2. Indirect pathway(Role of insulin and IGF-1)第48-50页
        5. EFFECTS OF BUTYRATE ON SCFAS ABSORPTION AND PH REGULATION IN RUMEN第50-53页
            5.1. Diffusion of undissociated SCFA(H-SCFA)第50-52页
            5.2. Ruminal fluid pH regulation第52-53页
    REFERENCES第53-65页
CHAPTER 2.EXPERIMENTS第65-135页
    EXPERIMENT 1.PART-Ⅰ EFFECTS OF RUMINAL INFUSION OF BUTYRATE ON第65-103页
        ABSTRACT第65-68页
        1. MATERIALS AND METHODS第68-79页
            1.1 ETHICAL APPROVAL第68页
            1.2 ANIMALS,FEEDING AND INFUSION PROCEDURE第68-70页
            1.3. SAMPLE COLLECTION第70-72页
            1.4. PAPILLAE MORPHOLOGY第72-73页
                1.4.1. Length,width,density and surface area of papillae第72页
                1.4.2. Histometric analysis第72-73页
            1.5. CELL ISOLATION AND FLOW CYTOMETRYASSAY第73页
            1.6. DETERMINATION OF RUMINAL SCFA第73页
            1.7. ESTIMATION OF SCFAABSORPTION IN THE RUMEN第73-76页
                1.7.1. Preparation of Co-EDTA第74页
                1.7.2. Marker(H-Val-Co)infusion第74-75页
                1.7.3. Collection of rumen fluid sample第75页
                1.7.4. Determination of SCFA and valeric acid concentration第75页
                1.7.5. Determination of Co-concentration第75页
                1.7.6. Calculations第75-76页
            1.8. QUANTITATIVE REAL TIME PCR第76-78页
                1.8.1. Total RNA extraction and cDNA synthesis第76-78页
                1.8.2. Synthesis of cDNA(Reverse Transcription)第78页
                1.8.3. Quantitative Real-time PCR第78页
            1.9. STATISTICAL ANALYSIS第78-79页
        2. RESULTS第79-88页
            2.1. RUMINAL FERMENTATION PATTERN第79-80页
            2.2. MORPHOMETRIC ANALYSIS OF PAPILLAE第80-82页
                2.2.1. Number and size of papillae第80-81页
                2.2.2 Mucosal surface area第81-82页
            2.3. HISTOMETRIC ANALYSIS OF PAPILLAE第82-84页
                2.3.1. Papillae height,wall thickness and thickness of epithelium第82-83页
                2.3.2. Number of cell layers and cell density in epithelial strata第83-84页
            2.4 CELL CYCLE PROGRESSION AND RELATED GENES EXPRESSION第84-86页
                2.4.1. Cell cycle progression第84-85页
                2.4.2. Expression of cyclin D1 and CDK4第85-86页
            2.5. SCFAABSORPTION IN RUMEN AND MCTS EXPRESSION IN RUMEN EPITHELIUM第86-88页
                2.5.1. Ruminal SCFA and pH profile during 24h第86页
                2.5.2. SCFA passage and absorption from the rumen第86-88页
                2.5.3. Expression of monocarboxylate transporters(MCT1 and 4)第88页
        3. DISCUSSION第88-95页
            3.1. RUMINAL FERMENTATION PATTERN第89页
            3.2. PAPILLAE MORPHOMETRIC ANALYSIS第89-90页
            3.3. PAPILLAE HISTOMETRIC ANALYSIS第90-91页
            3.4. RUMEN EPITHELIAL PROLIFERATION AND RELATED GENE EXPRESSION第91-92页
            3.5. SCFA PASSAGE AND ABSORPTION FROM THE RUMEN第92-95页
        REFERENCES第95-103页
    EXPERIMENT 1. PART-II EFFECTS OF RUMINALINFUSION OF BUTYRATE ON RUMEN GROWTHAND PERFORMANCE OF GOATS第103-121页
        ABSTRACT第103-105页
        1. MATERIALS AND METHODS第105-107页
            1.1. ETHICAL APPROVAL第105页
            1.2 ANIMALS,FEEDING AND INFUSION PROCEDURE第105页
            1.3 SAMPLING AND MEASUREMENTS第105页
            1.4 RUMEN GROWTH AND GOAT PERFORMANCE第105-106页
            1.5 FEEDING BEHAVIOUR第106页
            1.6. RUMINAL LIQUID PASSAGE第106页
            1.7 STATISTICAL ANALYSIS第106-107页
        2. RESULTS第107-112页
            2.1 HAY INTAKE AND GROWTH PERFORMANCE第107-108页
            2.2 RUMEN GROWTH第108-110页
            2.3. DIGESTA WEIGHT,LIQUID VOLUME AND OUTFLOW RATE IN RUMEN第110-112页
            2.4 INTAKE BEHAVIOUR第112页
        3. DISCUSSION第112-116页
            3.1. HAY INTAKE AND GROWTH PERFORMANCE第112-113页
            3.2. RUMEN GROWTH第113-114页
            3.3. DIGESTA WEIGHT,LIQUID VOLUMEAND OUTFLOW RATE IN RUMEN第114-115页
            3.4. INTAKE BEHAVIOUR第115-116页
        REFERENCES第116-121页
    EXPERIMENT.2 TIME-DEPENDENT EFFECTS OF RUMINAL INFUSION OFBUTYRATE ON CYCLIN D1 MRNA EXPRESSION IN RUMEN EPITHELIUM第121-135页
        ABSTRACT第121-124页
        1. MATERIALS AND METHODS第124-127页
            1.1 ETHICAL APPROVAL第124页
            1.2. ANIMALS, FEEDING AND INFUSION PROCEDURE第124页
            1.3. BIOPSY OF RUMEN PAPILLAE第124-125页
            1.4. QUANTITATIVE REAL TIME PCR第125页
            1.5. ESTIMATION OF SCFA PASSAGE AND ABSORPTION RATES第125-126页
            1.6. STATISTICAL ANALYSIS第126-127页
        2. RESULTS第127-130页
            2.1. THE MRNA EXPRESSION OF CYCLIN D1 AND CDK4第127页
            2.2. RUMINAL SCFA AND PH PROFILE DURING 24H第127-128页
            2.3. SCFA PASSAGE AND ABSORPTION FROM THE RUMEN第128-130页
        3. DISCUSSION第130-133页
        REFERENCES第133-135页
SUMMARY第135-137页
CONCLUSION第137-139页
INNOVATION第139-141页
ACKNOWLEDGEMENTS第141页

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