Can Enalapril Help Us Age Better?
Research suggests enalapril may have anti-aging effects beyond treating high blood pressure.
Wencong Lyu, Haochen Wang, Zhehao Du, Ran Wei, Jianuo He, Fanju Meng, Jinlong Bi, Lijun Zhang, Chao Zhang, Yiting Guan, Wei Tao
― 6 min read
Table of Contents
- What's Going On Inside Our Cells?
- The Busy World of Signaling Pathways
- Why We Need New Treatments
- Enalapril: A Hidden Gem
- The Tests
- How Does Enalapril Work?
- More Than Just Cells: The Whole Body Benefits
- Enalapril and Behavior: A Happy Mouse is a Happy Mouse
- What’s Next?
- Conclusion: Aging Doesn't Have to Be Scary
- Original Source
Aging is something we all have to deal with. It's that thing where you start noticing more wrinkles, a bit of gray hair, and maybe your knees sound like a bowl of cereal every time you stand up. But seriously, aging is a complicated process influenced by many things, and scientists are still figuring out how it all works.
One new field of study called geroscience is looking at how aging affects our health and makes us more prone to chronic diseases. Think of it as a detective trying to solve the mystery of why our bodies wear out over time. Researchers reckon if we target the root causes of aging, we might be able to slow down or even postpone these pesky diseases.
What's Going On Inside Our Cells?
At the cellular level, aging is marked by a state called senescence. Imagine a cell that has had one too many breaks. It just stops dividing and hanging out like it used to. This is often caused by stress or damage to the cell. When this happens, cells start to produce something called senescence-associated β-galactosidase (SA-β-gal). It’s just a fancy term for a marker that tells us, "Hey, this cell is getting old!" Other signs include less of a cell growth signal and more inflammatory substances that can make things worse.
The Busy World of Signaling Pathways
Cells communicate with each other through signaling pathways. Think of these as the phone lines in the cellular world. When these phone lines get disrupted, it can lead to all sorts of chaos, and tissues can start to behave in ways we don’t want. This is where things like inflammation come into play.
One important pathway involves a family of proteins called Smads. You can think of SMADs as the messengers in our cellular world, carrying signals from one place to another. Specifically, a protein called pSmad1/5/9 is crucial for regulating various cellular processes. When it gets activated (or "phosphorylated," if you want to use a big word), it tells other genes to get to work.
Why We Need New Treatments
With all that said, researchers have started to look for drugs that can help with aging. One promising avenue is targeting those zombie-like senescent cells that refuse to die. A type of drug called "Senolytics" aims to eliminate these pesky cells to help us keep our tissues young and healthy.
On top of that, there are existing drugs that we could repurpose – that means taking medications that were made for other issues and using them to tackle aging. This is exciting because it can save time and money.
Enalapril: A Hidden Gem
Let’s talk about one specific drug: enalapril. This medication is usually used to treat high blood pressure, but research is starting to show that it might have anti-aging effects too! Imagine if your blood pressure pill could also help keep you feeling spry and youthful. How cool would that be?
Recent studies show that enalapril seems to increase levels of that helpful pSmad1/5/9 protein, which could lead to all sorts of benefits. It’s like giving your cells a pep talk.
The Tests
Researchers took human cells and treated them with enalapril to see what would happen. The results? The drug appeared to reduce the markers of aging inside the cells. Researchers even saw improvements in inflammation and cell growth. It’s like enalapril said, “Nope, not today!” to aging!
They also tested this in mice – because why not? Mice are great for this kind of thing. And guess what? Enalapril not only improved the mice's physical abilities but also made their brains work better, which is good for recalling where they left their cheese.
How Does Enalapril Work?
You might be wondering, how exactly does enalapril work its magic? Well, it starts by ramping up the levels of pSmad1/5/9. That protein gets into the nucleus of the cells and tells the genes to start working to promote growth and reduce inflammation.
Another key player is a group of proteins called Id Proteins. They help keep the bad guys (like the aging markers p16 and p21) at bay. This is like having a bodyguard for your cells. When enalapril boosts pSmad1/5/9, it also helps increase ID proteins. So now we have a whole team working to keep aging in check.
More Than Just Cells: The Whole Body Benefits
The excitement doesn't stop at the cellular level. Researchers have seen that enalapril can impact the entire body. When they fed aged mice this drug, they noticed improvements in their brain function, kidney health, and even liver performance. It’s like turning back the clock for multiple organs at once!
The improvements were not just in how the organs worked, but also in how they looked. For example, less buildup of nasty substances that can cause problems in aging was observed.
Enalapril and Behavior: A Happy Mouse is a Happy Mouse
Behaviorally, the mice on enalapril showed some promising signs. They were more active, had better memory, and seemed less anxious. Picture a bunch of mice who just aced their cheese-finding test and are strutting around like they own the place.
What’s Next?
While enalapril shows great potential, the research is still in its early stages. Scientists want to dig deeper to understand exactly how this drug helps. Are there other drugs that could work similarly? How could we use this knowledge to help humans?
One thing is for sure: finding ways to combat aging could change the game as we know it. If a simple blood pressure medication can help us feel better as we age, who wouldn’t be interested in that?
Conclusion: Aging Doesn't Have to Be Scary
Aging is inevitable, but feeling old doesn’t have to be. With ongoing research and exciting findings, it looks like we might just be on the brink of discovering ways to keep us feeling younger, longer. So, the next time you hear about enalapril, remember that it’s not just a heart health hero; it might become an anti-aging champion too!
Title: Enalapril mitigates aging by targeting antioxidative genes via phosphorylated Smad1/5/9
Abstract: Aging increases the risk of a myriad of chronic diseases, which are expensive and difficult to treat owing to their various risk factors. Repurposing existing anti-aging medications has accelerated the development of therapies aimed at slowing aging. In this study, we revealed that enalapril, a drug widely prescribed for hypertension, can improve both cellular senescence and individual health. Mechanistically, phosphorylated Smad1/5/9 act as pivotal mediators of the anti-aging properties of enalapril. It stimulates downstream genes involved in cell cycle regulation and antioxidative defense, facilitating cell proliferation and diminishing the production of reactive oxygen species (ROS), thus increasing the antioxidative ability of enalapril. At the organismal level, enalapril has been shown to bolster the physiological performance of various organs; it notably enhances memory capacity and renal function and relieves lipid accumulation. Our work highlights the potential of enalapril to augment antioxidant defenses and combat the effects of aging, thereby indicating its promise as a treatment strategy for aging-associated diseases and its use for healthy aging.
Authors: Wencong Lyu, Haochen Wang, Zhehao Du, Ran Wei, Jianuo He, Fanju Meng, Jinlong Bi, Lijun Zhang, Chao Zhang, Yiting Guan, Wei Tao
Last Update: 2024-11-28 00:00:00
Language: English
Source URL: https://www.biorxiv.org/content/10.1101/2024.11.27.625711
Source PDF: https://www.biorxiv.org/content/10.1101/2024.11.27.625711.full.pdf
Licence: https://creativecommons.org/licenses/by/4.0/
Changes: This summary was created with assistance from AI and may have inaccuracies. For accurate information, please refer to the original source documents linked here.
Thank you to biorxiv for use of its open access interoperability.