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الوسم: Metformin

  • New Diabetes Drug Shows Direct Brain Effects

    New Diabetes Drug Shows Direct Brain Effects

    Doctors have used metformin for decades to treat type 2 diabetes, but a fundamental question remains: how exactly does it lower blood sugar levels? An international study led by Baylor College of Medicine now suggests that the answer might be found inside the brain.

    Published in Science Advances, the research challenges the traditional view that metformin primarily acts in the liver and digestive system. Instead, scientists examined a protein called Rap1 located in the ventromedial hypothalamus, a part of the brain that regulates energy use and helps maintain blood sugar within normal limits. They found that metformin decreases the activity of Rap1, which in turn helps to normalize blood sugar levels.

    To verify this, researchers studied diabetic mice lacking Rap1 in that specific brain region. Unlike typical mice, these animals showed little response to low doses of metformin, while other diabetes medications like insulin and GLP-1 analogs still lowered blood sugar, indicating this new pathway is unique to metformin.

    The team further tested whether metformin could act directly within the brain by injecting tiny doses into diabetic mice. Remarkably, even doses far lower than oral intake significantly reduced blood sugar levels. Additional experiments revealed that metformin activates SF1 neurons in the brain — but only when Rap1 is present. Without Rap1, these neurons did not respond, confirming that the protein is crucial for this recently discovered mechanism.

    This breakthrough could have significant medical implications. Developing drugs that target this brain pathway more precisely might lead to improved blood sugar control with fewer side effects. Additionally, this research could shed light on other potential benefits of metformin, such as its possible effects on brain aging.

    The researchers plan to explore whether this brain pathway also underlies some of the broader health benefits linked to metformin. Better understanding of this connection could lead to new treatments for not just diabetes but other conditions involving brain health and metabolism.

    For those interested in diabetes management, exploring studies on Vitamin D and its relation to type 2 diabetes, as well as which fruits are best for people with diabetes, can be helpful. Recent research also suggests that low-calorie diets might reverse diabetes, and certain vitamins could prevent complications.

    Source: Baylor College of Medicine.

  • Scientists Reveal Brain’s Surprising Role in Metformin Action

    Scientists Reveal Brain’s Surprising Role in Metformin Action

    Credit: Unsplash+

    For over six decades, metformin has been the most common medication prescribed for type 2 diabetes.

    Millions of individuals take it daily because it efficiently lowers blood sugar, is affordable, and has a proven safety record.

    However, researchers have never fully grasped how this medication functions within the body.

    A recent study from Baylor College of Medicine indicates that one of metformin’s key targets may actually be in the brain rather than solely in the liver or digestive system. The research was published in Science Advances.

    Traditionally, scientists believed metformin primarily worked by decreasing sugar production in the liver.

    Other studies indicated that it also acts through the intestines. Given the brain’s crucial role in managing hunger, energy expenditure, and blood sugar levels, the research team wondered whether the brain might also be involved in metformin’s effects.

    The scientists focused on a brain area called the ventromedial hypothalamus, which plays a vital role in metabolic regulation. Within this region, they examined a protein called Rap1. Their experiments revealed that metformin lowers blood sugar by reducing Rap1 activity in this part of the brain.

    To test their hypothesis, the researchers used mice genetically modified to lack Rap1 in this brain area. These mice were fed a high-fat diet to mimic type 2 diabetes. When given small doses of metformin, these mice no longer experienced blood sugar reductions, although insulin and GLP-1 treatments still worked. This suggests Rap1 plays a specific role in metformin’s mechanism of action.

    Furthermore, the team injected tiny amounts of metformin directly into the brains of diabetic mice. Even at doses thousands of times lower than oral administration, blood sugar levels dropped significantly. This demonstrated that the brain is highly responsive to the medication.

    Additionally, the researchers identified a group of nerve cells known as SF1 neurons. Metformin increased activity in these neurons only when Rap1 was present. Without Rap1, these neurons did not respond, further confirming the importance of this protein in the process.

    These findings imply that the brain reacts to much smaller amounts of metformin compared to the liver or intestines.

    This may explain why the drug has remained effective for so many years despite incomplete knowledge about its precise action. It also opens the possibility for developing new medications that target this brain pathway more directly in the future.

    If you’re interested in diabetes research, consider reading studies suggesting that not all whole grain foods benefit those with type 2 diabetes, and that green tea could help lower the risk of death associated with the condition.

    For additional health information, explore recent research linking unhealthy plant-based diets to metabolic syndrome, or findings showing that a Mediterranean diet could cut diabetes risk by around one-third.

  • Scientists Discover New Health Benefit of Metformin Beyond Diabetes

    Scientists Discover New Health Benefit of Metformin Beyond Diabetes

    Credit: Unsplash+

    For many years, metformin has been the primary medication prescribed for managing type 2 diabetes. Millions of individuals take it daily to control blood sugar levels and decrease the chance of diabetes-related complications.

    Recently, researchers suggest this widely used drug might have another unexpected benefit: a potential association with a reduced risk of prostate cancer in men.

    Researchers from the University of Otago examined a decade’s worth of scientific evidence to better understand the long-term health effects of metformin. Their extensive review included studies involving approximately 2.25 million people with type 2 diabetes, making it one of the most comprehensive analyses of its kind.

    Type 2 diabetes is a persistent condition where the body cannot effectively utilize insulin. Elevated blood sugar over time increases the risk of heart disease, strokes, kidney failure, blindness, and nerve damage. Metformin primarily lowers blood sugar by decreasing liver sugar production and enhancing insulin sensitivity.

    Previous studies have indicated that individuals taking metformin often experience lower rates of cardiovascular disease and may live longer than expected. Some research also hints at benefits related to brain health. The new review corroborates these findings, noting reductions in cardiovascular issues, dementia, and overall mortality among metformin users.

    A particularly noteworthy discovery involved prostate cancer. The data indicated that men with type 2 diabetes using metformin appear less prone to developing this prevalent cancer. Although earlier research explored whether metformin might diminish risks for various types of cancer, evidence specifically linked to prostate cancer has been limited.

    Prostate cancer ranks as the second most common cancer diagnosed in men globally. Early detection often leads to successful treatment, but managing advanced stages can be challenging. As men age, the risk of prostate cancer increases, making prevention a growing concern as populations age worldwide.

    Senior researcher Associate Professor Yoram Barak expressed enthusiasm about these findings, suggesting that metformin could have broader health benefits than previously understood.

    However, he cautioned that individuals without diabetes should not start taking metformin solely to lower cancer risk. More robust evidence is needed before such practices can be recommended.

    The researchers also emphasized the importance of studying healthy aging. Advances in medicine are enabling people to live longer, yet many older adults spend their later years battling chronic diseases. Investigating whether existing medications can slow the aging process or prevent age-related illnesses could greatly enhance quality of life and reduce healthcare costs.

    There are notable limitations to this research. Since it relies on previously published studies, it can only identify associations rather than establish a cause-and-effect relationship.

    Variations in diet, physical activity, smoking habits, healthcare access, and other medications might partly explain the observed lower cancer rates. To determine whether metformin directly protects against prostate cancer, randomized clinical trials are necessary.

    Despite these constraints, the review adds to the growing evidence that metformin might provide health advantages beyond blood sugar control. Future studies will clarify whether its effects on aging and cancer risk are real and applicable to individuals without diabetes.

    If you’re interested in diabetes-related topics, consider reviewing studies about bananas and blood sugar, or how honey might help regulate blood glucose levels.

    For more health insights, explore recent research on vitamin D, which could reduce dangerous complications in diabetes, and plant-based proteins that may help reverse type 2 diabetes.

    The study was published in the journal Rejuvenation Research.

    Source: University of Otago.

  • Scientists find metformin’s main action is in the gut, not the liver

    Scientists find metformin’s main action is in the gut, not the liver

    Credit: Towfiqu barbhuiya/Unsplash.

    For many years, researchers believed that metformin, one of the most commonly prescribed medications for Type 2 Diabetes, primarily worked by targeting the liver to decrease sugar production. However, a recent study from Northwestern University suggests that the drug’s main effect might actually stem from its interaction with the gut.

    The study, published in *Nature Metabolism*, reveals that metformin reduces blood sugar levels by altering how intestinal cells utilize energy. Instead of mainly acting on the liver, the medication appears to encourage gut cells to absorb and burn more glucose, thereby aiding in the removal of excess sugar from the bloodstream.

    This discovery could significantly shift scientific understanding of how one of the world’s most prescribed diabetes drugs works. Glucose serves as the body’s primary quick energy source, but having too much in the blood can lead to insulin resistance and long-term damage to blood vessels and organs. The researchers found that metformin disrupts energy production within mitochondria—tiny structures inside gut cells often called the cell’s power plants, because they produce the energy needed for proper function.

    By slowing down this mitochondrial energy process, metformin causes intestinal cells to consume more glucose directly. Navdeep Chandel, a study author, explains that the intestine effectively acts like a sponge, soaking up extra sugar from the blood.

    The research builds on earlier findings from Chandel’s lab, which indicated that metformin inhibits a crucial mitochondrial component known as complex I. This new study highlights the gut as the primary site where this mechanism influences blood sugar regulation.

    To test this, scientists used specially engineered mice with intestinal cells resistant to metformin’s effects. In these mice, the drug was much less effective at lowering blood sugar levels, strongly suggesting that the gut plays a key role in how metformin works.

    The findings may also shed light on some of the unusual effects observed in people taking metformin, such as lower post-meal blood sugar, decreased appetite, and mild weight loss. These effects might occur because stressed gut cells release signals that influence metabolism and hunger cues.

    One of these signals is a hormone called GDF15, which can signal the brain to reduce food intake. The study also found changes in citrulline, a compound produced in the small intestine’s mitochondria, reinforcing the idea that metformin has a significant impact on energy production within gut cells.

    Additionally, the study identified similarities between metformin and berberine, a plant-based supplement sometimes promoted online as “nature’s Ozempic.” Researchers observed that berberine appears to influence the same pathway in the gut as metformin does.

    However, Chandel emphasized that metformin has decades of rigorous scientific evidence backing its safety and effectiveness, while supplements like berberine haven’t undergone the same level of testing.

    These insights could lead to the development of new diabetes treatments that specifically target the gut. Instead of focusing mainly on the liver, future therapies might aim to enhance the intestine’s ability to clear excess sugar from the blood more efficiently.

    If you’re interested in reducing diabetes complications, consider exploring studies on five vitamins that may help prevent issues, as well as strategies for managing high blood pressure and diabetes with healthy foods. For more health updates, check out recent research on vitamin D and Type 2 Diabetes, and learn which fruits are better suited for people with diabetes.

  • Diabetes Drug Mimics Exercise Benefits for Cancer Patients

    Diabetes Drug Mimics Exercise Benefits for Cancer Patients

    A recent study suggests that metformin, a commonly used medication for type 2 diabetes, may mimic some of the effects of exercise in the body, particularly in men undergoing treatment for prostate cancer. Published in EMBO Molecular Medicine, the research sheds light on how the body manages energy and weight during cancer therapy, especially when patients are unable to stay physically active.

    Exercise is well recognized for its numerous health benefits, including weight regulation, improved blood sugar control, heart health support, and enhanced overall wellbeing. For cancer patients, it can also help alleviate treatment side effects and speed recovery. However, many patients struggle to maintain a regular exercise routine due to side effects such as fatigue, weakness, and discomfort caused by treatments like hormone therapy.

    This challenge has led scientists to ponder whether the biological processes triggered by exercise could be activated through other means. To explore this, researchers from the University of Miami Miller School of Medicine focused on metformin. They investigated a molecule called N-lactoyl-phenylalanine, or Lac-Phe, which is produced during intense physical activity when lactate—accumulating during exercise—combines with phenylalanine, a protein building block.

    Previous studies linked Lac-Phe to reduced appetite and better weight management, mirroring some effects of regular exercise. The new research revealed that metformin can increase Lac-Phe levels in prostate cancer patients even when they are not exercising. This suggests that metformin might activate similar pathways used by physical activity, offering metabolic benefits for those unable to exercise.

    The study concentrated on men undergoing hormone therapy for prostate cancer, which often disrupts metabolism and leads to weight gain, insulin resistance, and a higher risk of heart disease. Maintaining metabolic health during such treatment is crucial for both immediate wellbeing and long-term health outcomes. Results showed that Lac-Phe levels in patients taking metformin increased to levels comparable to those seen after intense exercise, despite the patients being sedentary at the time. This effect persisted even after hormone therapy started.

    However, the study also found no direct link between elevated Lac-Phe levels and a reduction in tumor growth, indicating that while metformin may support metabolic health, it doesn’t directly impact cancer progression through this pathway. Additionally, metformin influences other bodily pathways; for example, it raised levels of GDF-15, a hormone associated with appetite regulation and weight loss. Yet, Lac-Phe was more closely tied to actual changes in body weight.

    These findings offer valuable insights into how treatments affect the body and how existing drugs might be repurposed to improve overall health in cancer patients. They emphasize focusing not just on the disease itself but also on improving quality of life and bodily function during treatment.

    It’s important to note that metformin isn’t a substitute for exercise, which provides benefits beyond what medication can offer. More extensive research is needed to validate these findings across larger and more diverse populations.

    Overall, this study highlights a significant advance: a well-known, accessible drug like metformin may help support metabolic health in patients unable to engage in physical activity, potentially improving their comfort and resilience during cancer treatment.

  • Where To Find Metformin and Satellite Radio in Hell Is Us: Completing and Solving

    Where To Find Metformin and Satellite Radio in Hell Is Us: Completing and Solving

    There are many secrets in Hell Is Us, and you’ll only uncover them if you take the time to explore on your own. Without a map or a quest log, you’ll need to search your notes to figure things out. You’re not the only one lost in Hadea.

    When you first enter the Acasa Marshes, everything will seem much smaller, and even a space like this can feel enormous without proper markers or maps. Trapped here are some ON Peacekeepers, surrounded by Lymbic Entities, exhausted and unable to call for help or return to base.

    How to Start the Waylaid Good Deed

    While the Good Deed won’t show progress directly, it’s the first sign that you need to do something. This is one of the earliest Good Deeds you can find, but it requires completing a large part of the game’s story to finish. It’s a good idea to start early.

    Once inside Acasa Marshes, head south using your compass for guidance. Be careful, as there will be many enemies and narrow bridges that can cause you to fall into the water and die easily. Moving slowly is wise. Alternatively, follow the main road along Jova to reach your destination more safely.

    As you go south, you’ll see a tall tower in the distance. At its base, there are small steps leading underground. Follow these down to find two stranded ON Peacekeepers, along with some other items that might catch your attention.

    There is a locked Lymbic Door here, part of the “Lymbic Door – Acasa, Western Monument” mystery, and opposite it, a sconce on the wall is linked to the “Enlightenment” mystery.

    Talk to the two Peacekeepers, Typhon and Roho. They got separated from their unit and couldn’t escape because of all the Lymbic Entities. To make things worse, Typhon has run out of Metformin medicine, and Roho’s radio is broken, so he can’t call for help. Things look grim for them.

    Right now, there’s nothing you can do to help. Beating the nearby enemies won’t help much either. You’ll need to wait until you progress further in the story, so for now, leave them be—they’re safe enough.

    Finding the Supplies for the ON Peacekeepers

    Both Typhon and Roho need items, and giving them these will complete the Good Deed. However, their items are in separate locations, and time is partly critical. You’ll need to make strategic choices about where to go to help them both.

    Once you pick up either item, the Waylaid Good Deed will activate.

    Getting the Metformin Pills

    Typhon isn’t specific about where to find more Metformin. The sensible guess would be somewhere with medicine, but there’s no obvious location nearby. Instead, you should make your way to Talju, which has a pharmacy—though reaching it isn’t straightforward.

    In Talju, most people are gathered at City Hall, with some survivors scattered around. The pharmacy, marked by a neon green sign, is close to City Hall, but its front door is blocked. To get in, enter through the back. First, find the pharmacy key, which is located on a small walkway above town, marked by a glowing yellow sparkle. After obtaining it, go to City Hall.

    Speak with Caspian there, who asks you to find his son. You can find him near the school in the northwest part of the map. Once you locate the boy, return to City Hall so Caspian can give you the key to the parking lot, filled with Lymbic Entities. After defeating all enemies there, Caspian and other survivors will leave Talju in their parked ON vehicle, blocking the pharmacy’s back entrance.

    Remember: Before entering the parking lot, give flares to all survivors. When the lot is cleared, they’ll automatically leave, and failing to rescue all four would cause the “Light In The Dark” Good Deed to fail.

    Use the pharmacy key to unlock the back door and find the Pill Bottle labeled Metformin inside. You can deliver it now or wait until you also have the radio.

    Acquiring a Satellite Radio

    Next, you need to get Roho’s Satellite Radio, which involves less work than the Metformin but still requires some exploration. Head to the Lethe Ministry of Cultural Primacy.

    Inside, you’ll see ON Peacekeepers attacking citizens and massacring staff. Many dead Peacekeepers are also inside. Before entering, pick up the nearby Keycard – Ministry, which is necessary to open a door inside the building. Use the keycard to get through the door, where you’ll find the Satellite Radio on a dead Peacekeeper.

    Tip: Before you go inside, give the Woman’s Clothing item to the Peacekeeper trapped inside. If you don’t, she will die the next time you visit this area.

    Returning Supplies to the ON Peacekeepers

    With both the Metformin and the Satellite Radio, return to the trapped Peacekeepers in Acasa. Give Typhon the medication and Roho the radio. Although they’re still in a dangerous situation, they’re now in a safer position and have a better chance of returning to Jova.

    Progressing further in the story can change some outcomes. If you gather all three Keystones before saving these Peacekeepers, they will die — so it’s better to rescue them first. If you save them beforehand, they will eventually make it back to their commander, Zhao, at the small ON Outpost outside Jova.

    You can also return to Gildas in the Watcher’s Nest in Vyssa Hills afterward to earn a proper reward.