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Proteins that regulate transcription can do so either via direct contact with RNA Polymerase or through indirect interactions facilitated by adaptors, mediators, histone-modifying proteins, and nucleosome remodelers. Direct interactions to activate transcription is seen in bacteria as well as in some eukaryotic genes. In these cases, upstream activation sequences are adjacent to the promoters, and the activator proteins interact directly with the transcriptional machinery. For example, in...
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Updated: Jun 11, 2025

Functional Complementation Analysis FCA: A Laboratory Exercise Designed and Implemented to Supplement the Teaching of Biochemical Pathways
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APOBEC-1 Complementation Factor: From RNA Binding to Cancer.

Longfei Wang1,2, Qiong Cheng1

  • 1Department of Pathology, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, China.

Cancer Control : Journal of the Moffitt Cancer Center
|September 28, 2024
PubMed
Summary
This summary is machine-generated.

APOBEC-1 complementation factor (A1CF) is crucial for apolipoprotein B mRNA editing and linked to diseases like gout and various cancers. Understanding A1CF

Keywords:
APOBEC-1 complementation factorApolipoprotein B mRNA editing enzyme, catalytic polypeptide-1apolipoprotein B (apoB) mRNAtumor occurrence

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Area of Science:

  • Molecular Biology
  • Genetics
  • Biochemistry

Background:

  • APOBEC-1 complementation factor (A1CF) and APOBEC-1 are key for apolipoprotein B mRNA editing.
  • A1CF's ubiquitous expression and regulation by factors like PKC suggest significant biological roles.
  • Limited overviews exist on A1CF's functions and disease associations.

Purpose of the Study:

  • To review the molecular mechanisms of A1CF.
  • To elucidate the relevance of A1CF in human diseases.

Main Methods:

  • Literature search in PubMed using keywords 'A1CF' and 'APOBEC-1 complementation factor'.
  • Inclusion of peer-reviewed English articles published between 2000 and 2023.
  • Independent review and consensus by two authors.

Main Results:

  • A1CF impacts epigenetic regulation in reproductive cells and embryonic development.
  • A1CF is associated with gout due to apoB mRNA editing.
  • A1CF influences epithelial-mesenchymal transition, liver regeneration, and is implicated in multiple cancers (breast, lung, renal, liver, endometrial, glioma).
  • No effect on cardiac function was observed.

Conclusions:

  • A1CF's role in disease development is clarified.
  • This review provides a foundation for future research on A1CF.
  • Understanding A1CF may lead to novel therapeutic strategies and health advancements.