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Updated: Jan 30, 2026

Probing and Mapping Electrode Surfaces in Solid Oxide Fuel Cells

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Published on: September 20, 2012

Stored Lipids: More Than Mere Fuel.

Claire Gillette¹, Tânia Reis¹

¹Department of Medicine, Division of Endocrinology, Metabolism, and Diabetes, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA.

Developmental Cell

|January 30, 2019

Summary

Adult fruit flies convert stored lipids into very long chain fatty acids and hydrocarbons. This metabolic shift, driven by the Drosophila HNF4 nuclear receptor, provides an anti-dehydration function potentially conserved in mice.

Area of Science:

Lipid metabolism
Developmental biology
Molecular endocrinology

Background:

Lipids are crucial for early development.
Metabolic needs change significantly from larval to adult stages.
Adult metabolic adaptations are essential for survival and reproduction.

Purpose of the Study:

To investigate the metabolic pathways utilized by adult Drosophila.
To identify the regulatory mechanisms controlling adult lipid metabolism.
To determine the functional significance of adult lipid conversion.

Main Methods:

Utilized Drosophila melanogaster as a model organism.
Employed genetic manipulation to study the HNF4 nuclear receptor.
Analyzed lipid composition and metabolic products using biochemical assays.

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Last Updated: Jan 30, 2026

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Combustion Characterization and Model Fuel Development for Micro-tubular Flame-assisted Fuel Cells

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Main Results:

Demonstrated that adult Drosophila convert stored lipids into very long chain fatty acids and hydrocarbons.
Identified the Drosophila HNF4 nuclear receptor as a key regulator of this metabolic conversion.
Showed that these lipid products confer an anti-dehydration function.

Conclusions:

The Drosophila HNF4 nuclear receptor orchestrates a critical metabolic shift in adults.
This shift produces compounds that enhance desiccation resistance.
The findings suggest a conserved mechanism for adult lipid-based protection against dehydration, potentially in mammals including mice.