AMPK a central regulator of energy homeostasis

The AMPK signaling pathway, with its highly conserved and adaptive enzyme complex 5′-Adenosine monophosphate (AMP)-activated protein kinase, plays a key role in cellular and systemic energy homeostasis.

AnyGenes offers specialized qPCR array solutions for AMPK pathway analysis, providing researchers with precise tools to evaluate gene expression profiles related to AMPK regulation, cellular metabolism, and associated pathways. With AnyGenes’ qPCR arrays, scientists can explore the AMPK pathway’s impact on cellular processes and its therapeutic potential, supporting advances in metabolic research and personalized medicine.

Discover our advanced qPCR arrays for AMPK Pathway research.

AMPK substrates act in specific subcellular locales to rewire metabolism.

Physiological roles of AMPK pathway

AMPK serves as a metabolic checkpoint, coordinating growth and metabolism in response to energy availability. Its activation results in:

Inhibition of ATP-consuming pathways: AMPK downregulates processes such as protein synthesis, fatty acid synthesis, and cholesterol production.
Stimulation of ATP-generating pathways: It enhances glucose uptake and fatty acid oxidation, particularly in muscle tissue, thereby improving energy balance.
Regulation of autophagy: AMPK activation promotes autophagy, a process that recycles cellular components to generate energy under stress conditions.
Influence on Growth and Proliferation: AMPK’s suppression of mTOR signaling impacts cell growth and division, linking energy status to cell cycle control and reducing the risk of uncontrolled cell proliferation.

AMPK structure

AMPK consists of three subunits that together form a functional complex: the catalytic α-subunit (α1 or α2), a scaffolding β-subunit (β1 or β2), and a regulatory γ-subunit (γ1, γ2, or γ3). Each subunit plays a specific role, with the α-subunit responsible for catalysis, the β-subunit providing structural support, and the γ-subunit regulating activation through energy sensing.

AMPK activation

AMPK is activated when the cellular AMP/ATP ratio rises, typically in response to energy stress. AMP binding to the γ-subunit triggers a conformational change, allowing phosphorylation of the α-subunit at Thr172 by upstream kinases such as LKB1 and CaMKKβ. This phosphorylation is crucial for AMPK activation, enabling it to regulate metabolic pathways and maintain cellular energy balance.

Implication of AMPK pathway in diseases

The AMPK pathway is linked to various metabolic disorders, including obesity and type 2 diabetes. Its ability to enhance insulin sensitivity and regulate glucose metabolism makes it a promising target for therapeutic interventions. Moreover, AMPK has been implicated in cancer biology due to its role in suppressing cell growth through inhibition of the mTOR pathway.

By targeting AMPK, therapeutic interventions can potentially restore metabolic balance, making it a promising focus for treatments aimed at enhancing energy homeostasis and reducing disease progression.

AMPK in cancer and aging

AMPK not only plays a role in metabolism but is also involved in cancer and aging. In cancer cells, AMPK can act as a tumor suppressor by restricting cell growth and proliferation when energy is limited. Cancer cells frequently exhibit altered metabolism (the Warburg effect), relying on glycolysis even in the presence of oxygen. AMPK can counteract this by promoting oxidative phosphorylation and inhibiting glycolytic pathways.

Additionally, AMPK is linked to longevity and aging, as it promotes autophagy, a process that clears damaged cells and proteins. These functions make AMPK an exciting target in developing therapies for cancer and age-related diseases.

Analyze your pathway data with AnyGenes® software

Scientific data is only as powerful as the analysis behind it.

AnyGenes® provides a dedicated data analysis tool specifically developed for SignArrays® pathway panels.

What does it allow you to do?

Automated ΔCq calculation
Normalization with selected housekeeping genes
Comparison of up to 10 experimental conditions
Generation of descriptive statistics
Publication-ready graphs
Exportable tables for manuscripts and presentations

Developed on Excel (compatible with 2007+), the software is user-friendly and requires no advanced bioinformatics skills.

Customize your own signaling pathways (SignArrays®) with the factors of your choice!
Simply download and complete our Personalized SignArrays® information file and send it at [email protected] to initiate your project.

AMPK signaling pathway biomarker list

You can check the biomarker list included in this pathway, see below:

Species : Homo sapiens (human)

Human Signaling Pathways

Signaling Pathways	Product ref	Informations
AMPK Signaling Pathway	AMPK1H1	Download biomarker list
AMPK Signaling Pathway	AMPK2H1	Download biomarker list

Species : Mus musculus (mouse)

Mouse AMPK Signaling Pathway

Signaling Pathways	Product ref	Informations
AMPK Signaling Pathway	AMPK1M1	Download biomarker list

Species : Rattus norvegicus (rat)

Rat Signaling Pathways

Signaling Pathways	Product ref	Informations
AMPK Signaling Pathway	*******	Biomarker list in progress.

Species : Sus Scrofa (Pig)

Pig Signaling Pathways

Signaling Pathways	Product ref	Informations
AMPK Signaling Pathway	*******	Biomarker list in progress.

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Bibliography

1. Aslam M, Ladilov Y. Emerging Role of cAMP/AMPK Signaling. Cells. (2022);11(2):308.

2. Hsu CC et al. AMPK signaling and its targeting in cancer progression and treatment. Semin Cancer Biol. (2022);85:52-68.

3. Trefts E, Shaw RJ. AMPK: restoring metabolic homeostasis over space and time. Mol Cell. (2021);81(18):3677-3690.

4. Li Z et al. A minireview: Role of AMP-activated protein kinase (AMPK) signaling in obesity-related renal injury. Life Sci. (202);265:118828.

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