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Related Experiment Video

Updated: Jul 12, 2026

Transcorporal Artificial Urinary Sphincter Cuff Placement in a Case Requiring Revision for Urethral Atrophy

Transcorporal Artificial Urinary Sphincter Cuff Placement in a Case Requiring Revision for Urethral Atrophy

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Erratum

Science (New York, N.Y.)

|February 6, 1959

Summary

Enzyme activity levels in red blood cells were misreported by a factor of 1000 in a 1958 study. The corrected enzyme activity should be reported per 10^9 erythrocytes, not 10^6.

Area of Science:

Biochemistry
Hematology
Enzymology

Background:

A previous study reported enzyme activity levels for red blood cells.
The enzymes studied were Glucose-6-Phosphate Dehydrogenase, 6-Phosphogluconic Dehydrogenase, and Nucleoside Phosphorylase.
The original report was published in Science in 1958.

Purpose of the Study:

To correct a significant error in the reported enzyme activity levels.
To provide accurate data for future research and understanding of red cell metabolism.

Main Methods:

Re-evaluation of data presented in Table 1 of the original report.
Identification of a consistent error in the unit of measurement for enzyme activity.

Main Results:

Related Experiment Videos

Last Updated: Jul 12, 2026

Transcorporal Artificial Urinary Sphincter Cuff Placement in a Case Requiring Revision for Urethral Atrophy

Transcorporal Artificial Urinary Sphincter Cuff Placement in a Case Requiring Revision for Urethral Atrophy

Published on: June 16, 2022

Enzyme activity levels were found to be incorrect by a factor of 10^3.
All reported activity levels should be adjusted by this factor.

Conclusions:

The corrected enzyme activity levels are per 10^9 erythrocytes.
Accurate reporting of enzyme activity is crucial for scientific reproducibility and interpretation.