Structural insights into estrogen receptors and antiestrogen therapies | Blazingprojects Postgraduate Thesis
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Structural insights into estrogen receptors and antiestrogen therapies

 

Table Of Contents


Chapter ONE

INTRODUCTION

  • 1.1Introduction
  • 1.2Background of Study
  • 1.3Problem Statement
  • 1.4Objective 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 Estrogen Receptors
  • 2.2Mechanism of Estrogen Signaling
  • 2.3Types of Estrogen Receptors
  • 2.4Antiestrogen Therapies
  • 2.5Structural Insights into Estrogen Receptors
  • 2.6Role of Estrogen Receptors in Cancer
  • 2.7Development of Antiestrogen Therapies
  • 2.8Clinical Applications of Antiestrogen Therapies
  • 2.9Challenges in Antiestrogen Therapy
  • 2.10Future Directions in Antiestrogen Research

Chapter THREE

RESEARCH METHODOLOGY

  • 3.1Research Design and Approach
  • 3.2Sampling Methodology
  • 3.3Data Collection Techniques
  • 3.4Data Analysis Methods
  • 3.5Ethical Considerations
  • 3.6Research Validity and Reliability
  • 3.7Research Limitations
  • 3.8Research Scope

Chapter FOUR

DATA PRESENTATION AND ANALYSIS

  • 4.1Overview of Research Findings
  • 4.2Analysis of Estrogen Receptor Structures
  • 4.3Evaluation of Antiestrogen Therapies
  • 4.4Comparison of Different Antiestrogen Drugs
  • 4.5Impact of Antiestrogen Therapies on Cancer
  • 4.6Patient Responses to Antiestrogen Treatments
  • 4.7Adverse Effects of Antiestrogen Therapies
  • 4.8Recommendations for Future Research

Chapter FIVE

SUMMARY, CONCLUSION AND RECOMMENDATIONS

  • 5.1Conclusion and Summary
  • 5.2Recap of Research Objectives
  • 5.3Key Findings and Insights
  • 5.4Implications of the Study
  • 5.5Contributions to the Field
  • 5.6Recommendations for Practice
  • 5.7Suggestions for Further Research
  • 5.8Final Thoughts and Closing Remarks

Thesis Abstract

The differential impact of distinct antiestrogens (AEs) is the result of varying structural perturbations they confer to estrogen receptors (ERs) when these small-molecule synthetic compounds compete with endogenous hormones, such as 17β-estradiol. These structural changes translate to altered ability of ERs to conscript cofactors and consequently alter the transcription of their target genes. AEs, depending on the mechanism of action, are classified as either selective estrogen receptor modulators (SERMs), which display tamoxifen-like partial agonism, or as selective estrogen receptor downregulators (SERDs) that confer structurally induced posttranslational modifications (PTMs) that destine these receptors for proteosomal degradation. The conformational plasticity of the ER helix 12 (H12) and how its dynamics and conformational sampling is altered by different AEs are crucial to cofactor recruitment and selectivity, translating to varying degrees of receptor modulation and downstream functional effects. Dissecting these conformational state fluctuations within the context of variable cofactor profiles in different tissues, PTM induction, and emergence of hormonal treatment-related resistance mutations in ERs could lead to improved design of novel therapeutic molecules for breast cancer.

Keywords
Nuclear receptor Estrogen Tamoxifen Breast cancer SERM Raloxifene


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