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Protocols for Enzymatic Fluorometric Assays to Quantify Phospholipid Classes.

Shin-Ya Morita¹, Tokuji Tsuji¹, Tomohiro Terada¹

¹Department of Pharmacy, Shiga University of Medical Science Hospital, Otsu City, Shiga 520-2192, Japan.

International Journal of Molecular Sciences

|February 9, 2020

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New enzymatic fluorometric assays enable precise quantification of major phospholipid classes. These methods aid in understanding phospholipid roles in health and disease, facilitating biomarker discovery.

Area of Science:

Biochemistry
Molecular Biology
Cell Biology

Background:

Phospholipids are vital structural components of cellular membranes and biological fluids.
Aberrant phospholipid metabolism is implicated in numerous diseases, including cardiovascular, liver, and neurological disorders.
Accurate quantification of phospholipid classes is crucial for understanding their physiological and pathological roles.

Purpose of the Study:

To develop and present detailed protocols for novel enzymatic fluorometric assays.
To enable high-throughput quantification of all major phospholipid classes.
To facilitate research into phospholipid metabolism and disease biomarker identification.

Main Methods:

Development of specific, sensitive, and high-throughput enzymatic fluorometric assays.

Keywords:

cardiolipin enzymatic fluorometric measurement phosphatidic acid phosphatidylcholine phosphatidylethanolamine phosphatidylglycerol phosphatidylinositol phosphatidylserine sphingomyelin

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Quantification of phosphatidylcholine, phosphatidylethanolamine, phosphatidylserine, phosphatidic acid, phosphatidylinositol, phosphatidylglycerol + cardiolipin, and sphingomyelin.

Application of assays to cultured cells, intracellular organelles, tissues, fluids, lipoproteins, and extracellular vesicles.

Main Results:

Established reliable protocols for measuring phospholipid classes in cultured cells.
Demonstrated the specificity, sensitivity, and high-throughput capability of the developed assays.
Provided a versatile tool for diverse biological sample types.

Conclusions:

The novel enzymatic fluorometric assays offer a significant advancement for phospholipid research.
These assays are valuable for elucidating mechanisms in various diseases and identifying potential biomarkers.
The methodology supports broad applications across cell biology, biochemistry, and clinical research.