STUDY ON THE DESTABILIZATION OF LYSOZYME AND THE CHAPERONE-LIKE ACTIVITY OF ALPHA CRYSTALLIN | Blazingprojects Postgraduate Thesis
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STUDY ON THE DESTABILIZATION OF LYSOZYME AND THE CHAPERONE-LIKE ACTIVITY OF ALPHA CRYSTALLIN

 

Table Of Contents


Chapter ONE

INTRODUCTION

  • 1.1Introduction
  • 1.2Background of Study
  • 1.3Problem Statement
  • 1.4Objectives of Study
  • 1.5Limitation of Study
  • 1.6Scope of Study
  • 1.7Significance of Study
  • 1.8Structure of the Research
  • 1.9Definition of Terms

Chapter TWO

LITERATURE REVIEW

  • 2.1Overview of Lysozyme and Alpha Crystallin
  • 2.2Destabilization Mechanisms of Lysozyme
  • 2.3Chaperone Function of Alpha Crystallin
  • 2.4Interaction between Lysozyme and Alpha Crystallin
  • 2.5Previous Studies on Lysozyme Stability
  • 2.6Role of Chaperone Proteins in Protein Folding
  • 2.7Comparison of Chaperone Activity in Different Proteins
  • 2.8Structural Analysis of Lysozyme and Alpha Crystallin
  • 2.9Impact of Temperature on Protein Stability
  • 2.10Therapeutic Potential of Chaperone Proteins

Chapter THREE

RESEARCH METHODOLOGY

  • 3.1Research Design and Methodology
  • 3.2Selection of Lysozyme and Alpha Crystallin Samples
  • 3.3Experimental Setup for Stability Testing
  • 3.4Techniques for Monitoring Protein Interactions
  • 3.5Data Analysis and Interpretation Methods
  • 3.6Statistical Tools for Results Validation
  • 3.7Ethical Considerations in Protein Research
  • 3.8Timeframe for Research Execution

Chapter FOUR

DATA PRESENTATION AND ANALYSIS

  • 4.1Analysis of Lysozyme Destabilization
  • 4.2Evaluation of Chaperone-Like Activity of Alpha Crystallin
  • 4.3Comparison of Experimental Results with Literature Findings
  • 4.4Identification of Factors Influencing Protein Stability
  • 4.5Discussion on Protein-Protein Interactions
  • 4.6Implications of Chaperone Function in Disease Mechanisms
  • 4.7Future Research Directions in Protein Stability Studies
  • 4.8Recommendations for Enhancing Protein Therapeutics

Chapter FIVE

SUMMARY, CONCLUSION AND RECOMMENDATIONS

  • 5.1Summary of Research Findings
  • 5.2Conclusion and Implications
  • 5.3Contribution to Scientific Knowledge
  • 5.4Limitations of the Study
  • 5.5Suggestions for Further Research

Thesis Abstract

Destabilization of Lysozyme and chaperone like action of alpha crystallin isolated from goat’s eye lens was investigated at various temperature ranges in phosphate buffer (pH 7.1) solution and dithiothretol (DTT). This was monitored spectrophotometrically at 260nm. The heat and DTT-induced destabilization of lysozyme was prevented by alpha crystallin in a concentration dependent manner. Alpha crystallin like other chaperones, fulfils its chaperone like action in preventing aggregation of denatured proteins by the formation of complexes.



Thesis Overview

<p> </p><p><strong>1.1 INTRODUCTION</strong></p><p>Proteins are the workhorses of the living cell. Although proteins may differ in sequence, shape and function, but have in common, the same stereo configuration (i.e. they all have to fold into specific three-dimensional structures) which are mandatory for proper function (Bruce et al., 2002). Protein structures however are not rigid, but have a dynamic life style, which may involve unfolding and refolding, complex association and dissociation (Anfisen, 1972). Stress and also many physiological events require proteins to surrender their structure or to regain it at a later stage. A very large number of distinct conformations exist for the polypeptide chain of which a protein spends most of its time in the native conformation, which spans only an extremely small fraction of the entire configuration space. Thus, the amino acid sequence of proteins must satisfy two requirements: one, thermodynamics and the other kinetic. The thermodynamics requirement is that the sequence must have a unique folded conformation, which is stable under physiological conditions.</p><p>Most proteins can be denatured by heat, which has complex effect on the weak interactions in proteins (Vandenberg et al., 2000). If the existing temperature is increased slowly, a protein conformation generally remains intact until an abrupt loss of structure and function occurs over a narrow temperature range (Nelson and Cox, 2008). The spatial arrangement of atoms in a protein is called its conformation (Deechongkit et al., 2004)</p> <br><p></p>

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