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The return of pancreatic ribonucleases
Trends in Biochemical Sciences
|October 1, 1989
Summary
Pancreatic ribonuclease, once dismissed, is now linked to tumor growth and neurological development. This research confirms extracellular communicator RNA
Area of Science:
- Biochemistry
- Molecular Biology
- Cell Biology
Background:
- Pancreatic ribonuclease was previously considered an uninteresting digestive enzyme.
- Recent findings reveal its homology to extracellular proteins with significant biological roles.
Purpose of the Study:
- To explore the newly discovered functions of pancreatic ribonuclease.
- To investigate the role of extracellular proteins in cell growth and differentiation.
Main Methods:
- Homology analysis of pancreatic ribonuclease with extracellular proteins.
- Investigation of extracellular RNA's role in cellular processes.
Main Results:
- Pancreatic ribonuclease shares homology with proteins influencing tumor cell growth, neurological development, and differentiation.
- Extracellular 'communicator RNA' confirmed as a key messenger in cell growth and differentiation.
Conclusions:
- Pancreatic ribonuclease has critical, previously unrecognized extracellular functions.
- Extracellular RNA plays a vital role in fundamental biological processes like cell growth and differentiation.