imOmics in Action

Revolutionary research on ionic and molecular fluxes and its real-world applications

Science: Betrayal! Our own nervous system helps cancer grow.

 Of all new cancer cases in the US, the third most common is prostate cancer. New research in Science this week revealed a deeper understanding of how our own nerves aid the progression of prostate cancer.

Now we need a drug or therapy to inhibit this pathway; this could be developed with the help of a technology that can measure Ca2+ and O2 fluxes in both nerves and tumor cells.

The Paper

Tumors often initiate angiogenesis, which is the growth of new blood vessels, to help them grow and spread. A paper was just published in Science, titled "Adrenergic nerves activate an angio-metabolic switch in prostate cancer" by Ali H. Zahalka and Paul S. Frenette of the Albert Einstein College of Medicine, who studied the mechanism of how angiogenesis is aided by our own nerves.

These researchers used a mouse model of prostate cancer to investigate angiogenesis. They found that nerves release norepinephrine which binds to receptors on endothelial cells, which line the blood vessels. This triggers a metabolic switch; the endothelial cells increase their use of glycolysis and begin to divide and form new blood vessels around the tumor.

To confirm this mechanism, they studied a new line of mice and turned off the gene that codes for the norepinephrine receptor in the endothelial cells. They saw that the cells in these new mice maintained a normal metabolism, and showed a decrease in angiogenesis, supporting their theory that norepinephrine was responsible.

The NMT Connection

Now that this pathway is better understood, a treatment can be developed that inhibits the nervous pathway to tumors and halts the growth of new blood vessels. NMT would be useful in many ways for continuing this research because it has been used to study both nerves and tumors before.

For example in 2009, Marc Gleichmann et al. used NMT to measure Ca2+ and O2 flux simultaneously in cortical neurons, to assess their response to glutamate stress.

Since NMT is non-invasive, one of its key strengths is the ability to accurately assess the physiological responses of cells in response to changes such as drugs or stressors. This is what makes it an excellent choice for testing the efficacy of a drug targeting the tumor and/or nerve cells involved in the progression of angiogenesis.

Thanks to the research of Frenette's team, we have a new understanding of how nerves interact with tumors to grow new blood vessels. For the next step, will someone identify a drug that can safely inhibit this pathway? What will the drug do to the tumor and nerve cells, what will their fluxes look like? Imagine the possibilities!

For more NMT connections, see NMT Publications:


Ali H. Zahalka, Paul S. Frenette, et al. Adrenergic nerves activate an angio-metabolic switch in prostate cancer. Science, 2017. 358(6361):321-326

Marc Gleichmann, et al. Simultaneous single neuron recording of O2 consumption, [Ca2+]i, and mitochondrial membrane potential in glutamate toxicity. Journal of Neurochemistry, 2009. 109: 644–655 

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Comments 2

Arnold on Sunday, 19 November 2017 22:03
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cucizogog on Wednesday, 06 December 2017 13:28

We should always think positive thought and we will never think negative thing.They may get paid essay writing service which is needed for the improvement of the nervous system.

We should always think positive thought and we will never think negative thing.They may get [url=]paid essay writing service[/url] which is needed for the improvement of the nervous system.
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