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[Sulfurtransferase activity in cultured neuronal clone cells]
Comptes Rendus Des Seances De La Societe De Biologie Et De Ses Filiales
|January 1, 1975
Summary
The activity of 3'-phosphoadenosine-5'-phosphosulfate : galactocerebroside sulphotransferase (PAPS-CST) was measured in mouse neuroblastoma cells. This enzyme activity was comparable to that found in adult mouse brain tissue.
Area of Science:
- Biochemistry
- Neuroscience
- Cell Biology
Context:
- Investigating enzyme activity in neuronal cell models.
- Understanding the synthesis of sulphatides, crucial for myelin sheath formation.
- Utilizing cloned mouse neuroblastoma cells (NIE 115) for controlled study.
Purpose:
- To quantify the activity of 3 extquotesingle-phosphoadenosine-5 extquotesingle-phosphosulfate : galactocerebroside sulphotransferase (PAPS-CST) in a specific neuroblastoma cell line.
- To compare the measured enzyme activity with that found in adult mouse brain.
- To determine the influence of cell density on PAPS-CST specific activity.
Summary:
- The enzymatic activity of PAPS-CST, responsible for sulphatide synthesis, was measured in NIE 115 mouse neuroblastoma cells.
- The observed PAPS-CST activity in these cloned cells was similar in magnitude to that found in adult mouse brain.
- Specific activity of PAPS-CST remained unaffected by variations in cell density.
Impact:
- Provides a cellular model for studying sulphatide synthesis and related neurological functions.
- Offers insights into the biochemical characteristics of neuroblastoma cells relevant to myelin development.
- Establishes a baseline for PAPS-CST activity in a controlled cell culture system for future research.