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High-Performance Liquid Chromatography: Types of Detectors01:15

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The role of the detectors in High-Performance Liquid Chromatography (HPLC) is to analyze the solutes as they exit from the chromatographic column. The detector recognizes the solute's property and generates corresponding electrical signals, which are converted into a readable graph of the detector's response versus elution time called a chromatogram at the computer. There are several types of HPLC detectors, each with its own advantages and limitations, depending on the analyte...
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Cytidine and dCMP Deaminases-Current Methods of Activity Analysis.

Anna Ligasová1, Martina Horejšová2,3, Radana Brumarová2

  • 1Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry and Czech Advanced Technology and Research Institute, Palacký University Olomouc, Hněvotínská 5, 779 00 Olomouc, Czech Republic.

International Journal of Molecular Sciences
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PubMed
Summary

This review details methods for measuring cytidine deaminase (CDA) and deoxycytidine monophosphate deaminase (DCTD) activity. Understanding these enzymes is vital for DNA synthesis, cell cycle research, and cancer drug development.

Keywords:
LC-MScell-based approachescytidine deaminasedCMP deaminasemodified nucleosidesspectrophotometry

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Area of Science:

  • Biochemistry
  • Enzymology
  • Molecular Biology

Background:

  • Cytidine deaminase (CDA) and deoxycytidine monophosphate deaminase (DCTD) are key enzymes in pyrimidine metabolism.
  • Their activity influences DNA synthesis, cell cycle, and the effectiveness of nucleoside analog chemotherapeutics.
  • Accurate measurement of CDA and DCTD activity is critical for research and clinical applications.

Purpose of the Study:

  • To provide a comprehensive review of current and emerging methodologies for assessing CDA and DCTD enzymatic activity.
  • To systematically categorize and discuss various assay techniques.
  • To compare different methods, highlighting their strengths and weaknesses for specific applications.

Main Methods:

  • Spectrophotometric assays
  • Fluorimetric assays
  • Liquid chromatography-based methods (UV-Vis, fluorescence, mass spectrometry)
  • Radiometric assays
  • Cell-based assays

Main Results:

  • The review systematically categorizes and discusses established and emerging methods for measuring CDA and DCTD activity.
  • Each method's principles, advantages, and limitations are presented.
  • Comparative analysis across techniques is provided to guide method selection.

Conclusions:

  • A variety of methods exist for measuring CDA and DCTD activity, each with unique benefits and drawbacks.
  • The choice of method depends on specific research needs, sensitivity requirements, and available resources.
  • This review serves as a guide for researchers and clinicians in selecting appropriate enzymatic activity assays.