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Related Experiment Videos

Membrane specific carbonic anhydrase (CAIV) expression in human tissues.

N D Carter1, A Fryer, A G Grant

  • 1Department of Child Health, St George's Hospital Medical School, London, U.K.

Biochimica Et Biophysica Acta
|July 9, 1990
PubMed
Summary

Membrane-bound carbonic anhydrase IV (CAIV) is expressed across various human tissues and cell cultures. This study investigated CAIV expression patterns in fetal and adult human samples, revealing developmental variations.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Human Physiology

Background:

  • Carbonic anhydrase IV (CAIV) is a membrane-bound enzyme.
  • Its role in various physiological processes is increasingly recognized.
  • Understanding CAIV expression is crucial for comprehending tissue-specific functions.

Purpose of the Study:

  • To evaluate the expression of membrane-bound carbonic anhydrase IV (CAIV) in human tissues.
  • To analyze CAIV expression patterns in fetal and adult samples.
  • To investigate CAIV presence in different cell cultures.

Main Methods:

  • Western blotting was employed to assess CAIV expression.
  • Immunodetection identified a specific band at 55 kDa.
  • Analysis included a range of fetal and adult human tissues and cell cultures.

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Main Results:

  • CAIV expression was detected in all tested human tissues.
  • Expression levels showed developmental variations in fetal lung, liver, and brain.
  • CAIV was notably expressed in lung, pancreatic tumor, and skin cell cultures.

Conclusions:

  • Membrane-bound carbonic anhydrase IV is widely expressed in human tissues.
  • CAIV expression exhibits developmental and tissue-specific differences.
  • Further research into CAIV's function in these tissues is warranted.