GO:0010883 regulation of lipid storage: Lipid Droplet Dynamics, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0010883 regulation of lipid storage is a biological process that controls the balance between lipid accumulation and mobilization within cells.
• Lipid droplets are the central organelles where regulated lipid storage occurs, and their dynamics are controlled by proteins such as PLIN1, PLIN2, and CIDEC.
• Autophagy and lipophagy are key catabolic pathways that regulate lipid storage by delivering lipid droplets to lysosomes for degradation.
• Transcription factors such as SREBF1/SREBP-1 coordinate lipid synthesis and lipophagy to maintain lipid homeostasis.
• Dysregulation of lipid storage contributes to metabolic diseases, cancer, and myocardial lipid toxicity.
• CRISPR-based models (knockout, knock-in, overexpression) enable causal interrogation of genes regulating lipid storage.
Description
Regulation of lipid storage (GO:0010883) is a fundamental biological process that governs the cellular balance between lipid accumulation and mobilization. Lipids are stored primarily in lipid droplets, dynamic organelles that sequester neutral lipids such as triglycerides and cholesterol esters. The regulation of this storage process is critical for energy homeostasis, membrane synthesis, and cellular stress responses. Dysregulation of lipid storage is implicated in a wide range of pathologies, including obesity, type 2 diabetes, non-alcoholic fatty liver disease, and cancer. Understanding the molecular mechanisms that control lipid storage is therefore essential for developing therapeutic strategies targeting metabolic disorders. Recent research has highlighted the roles of circadian clocks, autophagy, and transcriptional programs in modulating lipid storage. This article provides a comprehensive overview of GO:0010883, integrating authoritative QuickGO data with verified PubMed literature to support researchers in designing experiments and interpreting results.
regulation of lipid storage At A Glance
| GO ID | GO:0010883 |
|---|---|
| GO term | regulation of lipid storage |
| Ontology | biological_process |
| Synonym | None |
| Major function | Controls the balance between lipid accumulation and mobilization in cells |
| Related organelles | Lipid droplets, lysosomes, endoplasmic reticulum |
| Key pathways | Lipophagy, lipolysis, lipid droplet dynamics |
| Disease relevance | Metabolic disorders, cancer, cardiovascular disease |
What Is GO:0010883?
GO:0010883 regulation of lipid storage is defined as any process that modulates the rate, frequency, or extent of lipid storage. Lipid storage refers to the accumulation and maintenance of lipids within cells, typically in lipid droplets. This regulation encompasses both the synthesis of neutral lipids and their mobilization through lipolysis or lipophagy.
Why Is regulation of lipid storage Important in Cell Biology?
Regulation of lipid storage is essential for cellular energy homeostasis and survival. It ensures that cells store excess energy in lipid droplets and mobilize it when needed. This process is particularly important in tissues such as adipose tissue, liver, and muscle, where lipid storage and utilization are tightly regulated. Dysregulation leads to lipotoxicity, insulin resistance, and tumor progression. Moreover, lipid storage regulation intersects with circadian rhythms, autophagy, and transcriptional networks, making it a central node in metabolic control.
• Maintains energy balance by storing and mobilizing lipids in response to nutritional status.
• Protects cells from lipotoxicity by sequestering excess fatty acids in lipid droplets.
• Supports membrane synthesis and cellular signaling through regulated lipid availability.
• Plays a key role in hepatic lipid metabolism and exercise-induced adaptations.
• Contributes to cancer cell survival by providing energy and building blocks for proliferation.
• Regulates myocardial lipid metabolism and cardiac function.
• Is modulated by circadian clocks, linking metabolism to daily rhythms.
• Involves autophagy and lipophagy as catabolic mechanisms.
• Is controlled by transcription factors such as SREBF1/SREBP-1.
• Represents a therapeutic target for metabolic diseases and cancer.
What Happens During regulation of lipid storage?
Lipid Droplet Biogenesis and Growth
In simple terms: Cells create and enlarge fat storage droplets when energy is abundant.
Lipid droplets originate from the endoplasmic reticulum and grow by incorporating neutral lipids. Proteins such as PLIN2 and PLIN3 coat the droplet surface and regulate its size and stability. The size of lipid droplets is dynamically controlled, and this regulation is critical for lipid storage capacity.
Lipolysis and Lipid Mobilization
In simple terms: When energy is needed, cells break down stored fat from lipid droplets.
Lipolysis is the enzymatic breakdown of triglycerides into free fatty acids and glycerol. This process is regulated by lipases and accessory proteins such as PLIN1 and CIDEC. Mobilization of lipids from droplets provides energy and substrates for other metabolic pathways.
Lipophagy: Autophagic Degradation of Lipid Droplets
In simple terms: Cells can digest fat droplets by recycling them through the lysosome.
Autophagy regulates lipid metabolism by delivering lipid droplets to lysosomes for degradation, a process termed lipophagy. This pathway is important for maintaining lipid homeostasis under conditions of nutrient deprivation or stress.
Transcriptional Control of Lipid Storage
In simple terms: Genes that make and break down fat are turned on or off by transcription factors.
SREBF1/SREBP-1 concurrently regulates lipid synthesis and lipophagy to maintain lipid homeostasis. This transcriptional coordination ensures that lipid storage is balanced with metabolic demand.
Circadian Regulation of Lipid Storage
In simple terms: The body clock influences how and when fat is stored.
Lipid metabolism around the body clocks is regulated by circadian rhythms, which influence lipid storage and mobilization. This temporal regulation aligns lipid storage with feeding-fasting cycles.
Key Genes Involved in GO:0010883 regulation of lipid storage
The following genes and proteins are key regulators of lipid storage, as supported by published literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| PLIN1 | Lipid droplet coat protein; regulates lipolysis | Target for obesity and lipodystrophy studies |
| PLIN2 | Lipid droplet stabilization; prevents lipolysis | Marker of lipid accumulation in liver and cancer |
| PLIN3 | Lipid droplet formation and trafficking | Role in lipid droplet dynamics |
| CIDEC | Promotes lipid droplet enlargement; inhibits lipolysis | Linked to insulin resistance and lipodystrophy |
| SREBF1 | Transcription factor regulating lipid synthesis and lipophagy | Central to lipid homeostasis and tumor growth |
| SREBP-1 | Master regulator of lipogenic genes | Target for metabolic disease and cancer |
| CD36 | Fatty acid translocase; facilitates lipid uptake | Gatekeeper of myocardial lipid metabolism |
| ATG5 | Autophagy-related protein; required for lipophagy | Links autophagy to lipid storage |
| ATG7 | Autophagy-related protein; essential for lipophagy | Regulates lipid droplet degradation |
| BECN1 | Autophagy initiation; involved in lipophagy | Modulates lipid storage under stress |
| MAP1LC3B | Autophagosome marker; binds lipid droplets | Used to monitor lipophagy |
| LIPE | Hormone-sensitive lipase; catalyzes lipolysis | Key enzyme in lipid mobilization |
| PNPLA2 | Adipose triglyceride lipase; initiates lipolysis | Rate-limiting for triglyceride breakdown |
| DGAT1 | Diacylglycerol acyltransferase; synthesizes triglycerides | Promotes lipid storage |
| DGAT2 | Diacylglycerol acyltransferase; synthesizes triglycerides | Lipid droplet formation |
| FASN | Fatty acid synthase; de novo lipogenesis | Target in cancer and metabolic disease |
| SCD1 | Stearoyl-CoA desaturase; fatty acid desaturation | Modulates lipid storage and membrane fluidity |
How Is regulation of lipid storage Regulated?
Regulation of lipid storage is controlled at multiple levels. Transcriptionally, SREBF1/SREBP-1 coordinates lipid synthesis and lipophagy. Autophagy provides a catabolic route for lipid droplet degradation. Circadian clocks impose temporal control on lipid metabolism. Hormonal signals such as insulin and glucagon modulate lipolysis and lipogenesis. Exercise also regulates hepatic lipid droplet metabolism.
regulation of lipid storage and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| CD36 | Myocardial lipid metabolism, metabolic disease | Cardiomyocyte-specific knockout |
| SREBF1 | Cancer, lipid homeostasis | Knockout or overexpression in cancer cell lines |
| PLIN1 | Lipodystrophy, obesity | Knockout in adipocytes |
| ATG5 | Lipophagy, metabolic stress | Knockout in hepatocytes |
| PNPLA2 | Neutral lipid storage disease | Point mutation knock-in |
Metabolic Disorders
Dysregulation of lipid storage contributes to obesity, insulin resistance, and non-alcoholic fatty liver disease. CD36 is a gatekeeper of myocardial lipid metabolism and a therapeutic target for metabolic disease. Exercise regulates hepatic lipid droplet metabolism, highlighting the impact of lifestyle on lipid storage.
Cancer
Lipid metabolism is reprogrammed in pancreatic cancer, where altered lipid storage supports tumor growth. SREBF1/SREBP-1 concurrently regulates lipid synthesis and lipophagy to maintain lipid homeostasis and tumor growth.
Cardiovascular Disease
CD36-mediated lipid uptake in the heart is critical for myocardial energy supply, but excessive lipid storage can lead to lipotoxicity and cardiac dysfunction.
From regulation of lipid storage-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does gene X regulate lipid droplet size? | Knockout cell line followed by lipid droplet imaging |
| Does a point mutation in gene Y affect lipolysis? | Point mutation knock-in |
| Does overexpression of gene Z increase lipid storage? | Overexpression cell line |
| Is gene W required for lipophagy? | Knockout with autophagy flux assays |
| Does a tag affect protein localization on lipid droplets? | Tagged knock-in |
| Does gene V regulate lipid storage in cancer? | Knockout in cancer cell lines |
How to Study the regulation of lipid storage Process
| Method | What It Measures | Typical Application |
|---|---|---|
| BODIPY staining | Lipid droplet number and size | Knockout phenotyping |
| LC3 flux assay | Autophagic degradation | Lipophagy studies |
| RNA-seq | Gene expression changes | Transcriptional regulation |
| ChIP-seq | Transcription factor binding | SREBP-1 targets |
| Lipidomics | Lipid species quantification | Metabolic profiling |
| Western blot | Protein levels of PLINs, ATGs | Lipid droplet protein analysis |
| Seahorse assay | Fatty acid oxidation | Mitochondrial function |
| CRISPR screen | Identify regulators of lipid storage | Functional genomics |
Lipid Droplet Imaging
Fluorescence microscopy with lipid droplet dyes (e.g., BODIPY) allows visualization and quantification of lipid storage.
Autophagy Flux Assays
LC3 turnover and lipophagy assays measure autophagic degradation of lipid droplets.
Transcriptional Profiling
RNA-seq and ChIP-seq identify SREBF1/SREBP-1 target genes involved in lipid storage.
Lipidomics
Mass spectrometry-based lipidomics quantifies lipid species and storage capacity.
How CRISPR Can Be Used to Study GO:0010883 regulation of lipid storage
Knockout
CRISPR knockout of genes such as PLIN1, ATG5, or SREBF1 can reveal their causal role in lipid storage regulation.
Point Mutation
Point mutations in genes like PNPLA2 can model neutral lipid storage disease and dissect catalytic residues.
Knock-in
Tagged knock-in of PLIN2 or LC3 enables live-cell imaging of lipid droplets and autophagosomes.
Overexpression
Overexpression of SREBF1 or DGAT1 increases lipid storage and can model steatosis or cancer lipid reprogramming.
How EDITGENE Supports regulation of lipid storage Research
Researchers studying regulation of lipid storage-related genes often need to determine whether a candidate gene is causally involved in lipid droplet dynamics, lipolysis, or lipophagy. EDITGENE provides CRISPR-based cell models to interrogate gene function with precision.
Contact EDITGENE today to design your custom CRISPR model for regulation of lipid storage research.
Related Products
| Product name | Cat.No. | Species | Gene ID | |
|---|---|---|---|---|
| NR1H3 Knockout HEK293T Cell Line | EDJ-KQ109 | Human | 10062 | Details Get a Quote |
| NR1H2 Knockout HEK293T Cell Line | EDJ-KQ110 | Human | 7376 | Details Get a Quote |
| FTO Knockout HEK293 Cell Line | EDJ-KQ187 | Human | 79068 | Details Get a Quote |
| SIRT1 Knockout HEK293 Cell Line | EDJ-KQ1128 | Human | 23411 | Details Get a Quote |
| ALKBH7 Knockout HEK293 Cell Line | EDJ-KQ9243 | Human | 84266 | Details Get a Quote |
| NR1H2 Knockout HEK293 Cell Line | EDJ-KQ14489 | Human | 7376 | Details Get a Quote |
| NR1H3 Knockout HEK293 Cell Line | EDJ-KQ14490 | Human | 10062 | Details Get a Quote |
| FBXW7 Knockout HEK293 Cell Line | EDJ-KQ17874 | Human | 55294 | Details Get a Quote |
| FBXW7 Knockout HCT 116 Cell Line | EDJ-KQ17987 | Human | 55294 | Details Get a Quote |
| FTO Knockout HeLa Cell Line | EDJ-KQ19015 | Human | 79068 | Details Get a Quote |
| ALKBH7 Knockout A-549 Cell Line | EDJ-KQ37048 | Human | 84266 | Details Get a Quote |
| ALKBH7 Knockout HCT 116 Cell Line | EDJ-KQ37049 | Human | 84266 | Details Get a Quote |
| ALKBH7 Knockout HeLa Cell Line | EDJ-KQ37050 | Human | 84266 | Details Get a Quote |
| FBXW7 Knockout A-549 Cell Line | EDJ-KQ43048 | Human | 55294 | Details Get a Quote |
| FBXW7 Knockout HeLa Cell Line | EDC90252 | Human | 55294 | Details Get a Quote |
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Frequently Asked Questions About regulation of lipid storage
What is GO:0010883 regulation of lipid storage?
GO:0010883 is a biological process that modulates the rate, frequency, or extent of lipid storage, typically involving lipid droplets and autophagy.
What genes are involved in regulation of lipid storage?
Key genes include PLIN1, PLIN2, CIDEC, SREBF1, ATG5, and CD36.
How does autophagy regulate lipid storage?
Autophagy, specifically lipophagy, delivers lipid droplets to lysosomes for degradation, thereby reducing lipid storage.
What is the role of SREBF1 in lipid storage?
SREBF1/SREBP-1 concurrently regulates lipid synthesis and lipophagy to maintain lipid homeostasis.
How is lipid storage regulated in cancer?
Cancer cells reprogram lipid metabolism, and SREBF1/SREBP-1 supports tumor growth by maintaining lipid homeostasis.
What is the role of CD36 in lipid storage?
CD36 facilitates fatty acid uptake and is a gatekeeper of myocardial lipid metabolism.
How do circadian clocks regulate lipid storage?
Circadian clocks impose temporal control on lipid metabolism, aligning storage with feeding-fasting cycles.
What experimental models are used to study lipid storage?
CRISPR knockout, knock-in, overexpression cell lines, and lipid droplet imaging are commonly used.
What diseases are linked to dysregulated lipid storage?
Obesity, insulin resistance, non-alcoholic fatty liver disease, cardiovascular disease, and cancer.
How can I study regulation of lipid storage with CRISPR?
EDITGENE offers knockout, point mutation, knock-in, overexpression, and library screening services to interrogate lipid storage genes.
Conclusion
Regulation of lipid storage (GO:0010883) is a central biological process that controls energy homeostasis and cellular stress responses. Its dysregulation underlies metabolic diseases and cancer. CRISPR-based models provide powerful tools to dissect the causal roles of genes such as PLIN1, SREBF1, and ATG5 in lipid storage. EDITGENE supports researchers with tailored CRISPR services to accelerate discoveries in lipid metabolism.
References
- 1. Petrenko V et al.. 2023. Lipid metabolism around the body clocks.. Prog Lipid Res 91:101235 PMID: 37187314
- 2. Jarc E et al.. 2019. Lipid Droplets and the Management of Cellular Stress.. Yale J Biol Med 92(3):435-452 PMID: 31543707
- 3. Yu J et al.. 2017. The size matters: regulation of lipid storage by lipid droplet dynamics.. Sci China Life Sci 60(1):46-56 PMID: 27981432
- 4. Glatz JFC et al.. 2024. CD36 as a gatekeeper of myocardial lipid metabolism and therapeutic target for metabolic disease.. Physiol Rev 104(2):727-764 PMID: 37882731
- 5. Singh R et al.. 2009. Autophagy regulates lipid metabolism.. Nature 458(7242):1131-5 PMID: 19339967
- 6. Pino-de la Fuente F et al.. 2022. Exercise regulation of hepatic lipid droplet metabolism.. Life Sci 298:120522 PMID: 35367244
- 7. Yin X et al.. 2022. Lipid metabolism in pancreatic cancer: emerging roles and potential targets.. Cancer Commun (Lond) 42(12):1234-1256 PMID: 36107801
- 8. Geng F et al.. 2024. SREBF1/SREBP-1 concurrently regulates lipid synthesis and lipophagy to maintain lipid homeostasis and tumor growth.. Autophagy 20(5):1183-1185 PMID: 37927089
