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Related Experiment Videos

[Functions and relevance of the terminal complement sequence].

S Bhakdi1, F Hugo, J Tranum-Jensen

  • 1Institut für Medizinische Mikrobiologie, Universität Mainz.

Immunitat Und Infektion
|June 1, 1990
PubMed
Summary
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The terminal complement sequence (C5b-9) can cause cell death or trigger reactions. Its dysregulation can harm the body, highlighting the need for detection methods in clinical research.

Area of Science:

  • Immunology
  • Molecular Biology

Context:

  • The terminal complement sequence, involving C5b-9 complex assembly, plays a dual role in cellular processes.
  • Cell-bound C5b-9 can induce cell death or secondary reactions via calcium influx.
  • The in vivo functions of the fluid-phase SC5b-9 complex, potentially involving vitronectin, remain largely undefined.

Purpose:

  • To elucidate the functions and implications of the terminal complement sequence (C5b-9).
  • To discuss the protective roles and detrimental effects of C5b-9 dysregulation.
  • To outline methods for detecting and quantifying C5b-9 and their clinical research utility.

Summary:

  • The terminal complement sequence initiates with C5 cleavage, forming C5b-9 complexes on cells or in plasma.
  • Cell-bound C5b-9 can create pores leading to cell death or trigger calcium-mediated reactions.

Related Experiment Videos

  • Dysregulation of C5b-9 can cause autoimmune diseases, damage dying cells, or harm blood cells during procedures like cardiopulmonary bypass.

    • Impact:

    • Understanding C5b-9's role is crucial for differentiating protective immune responses from detrimental autoimmune attacks.
    • Identifying C5b-9 dysregulation offers potential diagnostic and therapeutic targets for various diseases.
    • Development of assays for C5b-9 detection can advance clinical research and patient management.