https://www.sciencedaily.com/news/health_medicine/skin_cancer/ Learn about skin cancer signs, symptoms and prevention. Read the latest medical research on skin cancer types, skin care and skin cancer treatment options. en-us Sun, 12 Apr 2026 09:05:46 EDT Sun, 12 Apr 2026 09:05:46 EDT 60 https://www.sciencedaily.com/images/scidaily-logo-rss.png https://www.sciencedaily.com/news/health_medicine/skin_cancer/ For more science news, visit ScienceDaily. https://www.sciencedaily.com/releases/2026/04/260411022027.htm A new nanodisc-based platform lets scientists study viral proteins in a form that closely mimics real viruses, revealing how antibodies truly recognize them. This approach uncovered hidden interactions in viruses like HIV and Ebola that traditional methods missed. By recreating the virus’s membrane environment, researchers can better understand how immune defenses work. The technique could speed up the development of more effective vaccines. Sun, 12 Apr 2026 06:42:12 EDT https://www.sciencedaily.com/releases/2026/04/260411022027.htm https://www.sciencedaily.com/releases/2026/03/260319044659.htm A shingles vaccine might double as a powerful heart protector. In people already at high risk, it cut major cardiac events by 46% and deaths by an impressive 66% within a year. Scientists think preventing shingles may also stop clot-related complications that can lead to heart attacks and strokes. The effect is so strong, it rivals the benefits of quitting smoking. Fri, 20 Mar 2026 08:10:25 EDT https://www.sciencedaily.com/releases/2026/03/260319044659.htm https://www.sciencedaily.com/releases/2026/03/260317015933.htm mRNA vaccines saved millions of lives during COVID-19 but have limitations like waning immunity and complex production. Scientists are now testing a new platform called DoriVac, which uses folded DNA nanostructures to better control how the immune system responds. In early studies, it produced strong antibody and T cell responses in both mice and human models. Researchers say it could lead to more stable, easier-to-manufacture vaccines for diseases like COVID-19, HIV, and Ebola. Tue, 17 Mar 2026 01:59:33 EDT https://www.sciencedaily.com/releases/2026/03/260317015933.htm https://www.sciencedaily.com/releases/2026/03/260315225121.htm A redesigned cancer immunotherapy is showing striking early results after decades of disappointment with similar drugs. Researchers engineered a more powerful CD40 agonist antibody and changed how it’s delivered—injecting it directly into tumors instead of into the bloodstream. In a small clinical trial of 12 patients with metastatic cancers, six saw their tumors shrink and two experienced complete remission. Mon, 16 Mar 2026 20:18:42 EDT https://www.sciencedaily.com/releases/2026/03/260315225121.htm https://www.sciencedaily.com/releases/2026/03/260313055130.htm A severe case of COVID-19 or influenza could increase the risk of lung cancer later on, according to new research. Scientists discovered that serious viral infections can alter immune cells in the lungs, leaving behind chronic inflammation that may help tumors develop months or years later. The increased risk was seen mainly after severe infections that required hospitalization. Vaccination, however, appears to prevent the dangerous lung changes. Fri, 13 Mar 2026 05:56:17 EDT https://www.sciencedaily.com/releases/2026/03/260313055130.htm https://www.sciencedaily.com/releases/2026/02/260222092258.htm Scientists at Stanford Medicine have unveiled a bold new kind of “universal” vaccine that could one day protect against everything from COVID-19 and the flu to bacterial pneumonia and even common allergens. Instead of targeting a specific virus or bacterium, the nasal spray vaccine supercharges the lungs’ own immune defenses, keeping them on high alert for months. In mice, it slashed viral levels, prevented severe illness, and even blocked allergic reactions. Mon, 23 Feb 2026 08:45:18 EST https://www.sciencedaily.com/releases/2026/02/260222092258.htm https://www.sciencedaily.com/releases/2026/02/260216044006.htm Northwestern researchers have shown that when it comes to cancer vaccines, arrangement can be just as important as ingredients. By repositioning a small fragment of an HPV protein on a DNA-based nanovaccine, the team dramatically strengthened the immune system’s attack on HPV-driven tumors. One specific design slowed tumor growth, extended survival in animal models, and unleashed far more cancer-killing T cells than other versions made with the exact same components. Wed, 18 Feb 2026 10:00:32 EST https://www.sciencedaily.com/releases/2026/02/260216044006.htm https://www.sciencedaily.com/releases/2026/02/260215225602.htm A parasite that may already be hiding in your brain has a shocking survival trick: it can infect the very immune cells sent to destroy it. Yet most people never get sick, and new research from UVA Health reveals why. Scientists discovered that when Toxoplasma gondii invades CD8+ T cells — key defenders of the immune system — those cells can trigger a self-destruct mechanism powered by an enzyme called caspase-8. By sacrificing themselves, the infected cells also wipe out the parasite inside them. Mon, 16 Feb 2026 08:33:46 EST https://www.sciencedaily.com/releases/2026/02/260215225602.htm https://www.sciencedaily.com/releases/2026/02/260206012229.htm Colorectal cancer has long baffled scientists because, unlike most tumors, patients often do better when their cancers are packed with immune-suppressing regulatory T cells. New research finally explains why. Scientists discovered that these T cells aren’t all the same: one subtype actually helps keep tumors in check, while another shields cancer from immune attack. The balance between these “good” and “bad” cells can determine whether a tumor grows or shrinks. Fri, 06 Feb 2026 11:03:34 EST https://www.sciencedaily.com/releases/2026/02/260206012229.htm https://www.sciencedaily.com/releases/2026/02/260204114343.htm As bird flu continues to circulate in animals and spill over into humans, researchers are racing to stop it before it adapts to spread widely between people. A new nasal spray vaccine showed strong protection against H5N1 in animal tests, outperforming traditional flu shots. Because it targets the nose and lungs, it may prevent infection at the earliest stage. Wed, 04 Feb 2026 11:43:43 EST https://www.sciencedaily.com/releases/2026/02/260204114343.htm https://www.sciencedaily.com/releases/2026/01/260128075350.htm Scientists in South Korea have discovered that one of the most common malignant brain tumors in young adults may begin years before a tumor can be seen. IDH-mutant glioma, long treated by removing visible tumor tissue, actually starts when normal-looking brain cells quietly acquire a cancer-linked mutation and spread through the brain’s cortex. Using advanced genetic mapping and animal models, researchers traced the cancer’s true origin to glial progenitor cells that appear healthy at first. Wed, 28 Jan 2026 07:53:50 EST https://www.sciencedaily.com/releases/2026/01/260128075350.htm https://www.sciencedaily.com/releases/2026/01/260128075332.htm Scientists at Mount Sinai have unveiled a bold new way to fight metastatic cancer by turning the tumor’s own defenses against it. Instead of attacking cancer cells head-on, the experimental immunotherapy targets macrophages—immune cells that tumors hijack to shield themselves from attack. By eliminating or reprogramming these “bodyguards,” the treatment cracks open the tumor’s protective barrier and allows the immune system to flood in and destroy the cancer. Fri, 30 Jan 2026 01:05:29 EST https://www.sciencedaily.com/releases/2026/01/260128075332.htm https://www.sciencedaily.com/releases/2026/01/260115022808.htm A vitamin A byproduct has been found to quietly disarm the immune system, allowing tumors to evade attack and weakening cancer vaccines. Scientists have now developed a drug that shuts down this pathway, dramatically boosting immune responses and slowing cancer growth in preclinical studies. Fri, 16 Jan 2026 06:06:55 EST https://www.sciencedaily.com/releases/2026/01/260115022808.htm https://www.sciencedaily.com/releases/2025/12/251218074429.htm Scientists have discovered that T cell receptors activate through a hidden spring-like motion that had never been seen before. This breakthrough may help explain why immunotherapy works for some cancers and how it could be improved for others. Thu, 18 Dec 2025 07:56:05 EST https://www.sciencedaily.com/releases/2025/12/251218074429.htm https://www.sciencedaily.com/releases/2025/12/251214100919.htm Researchers discovered that tanning beds cause widespread, mutation-laden DNA damage across almost all skin, explaining the sharply increased melanoma risk. Single-cell genomic analysis revealed dangerous mutations even in sun-protected regions. Survivors’ stories underscore how early tanning habits have lifelong consequences. The findings push for stricter policies and clear public warnings. Mon, 15 Dec 2025 00:10:33 EST https://www.sciencedaily.com/releases/2025/12/251214100919.htm https://www.sciencedaily.com/releases/2025/12/251212204834.htm Researchers used AI to pinpoint a little-known monkeypox protein that provokes strong protective antibodies. When the team tested this protein as a vaccine ingredient in mice, it produced a potent immune response. The discovery could lead to simpler, more effective mpox vaccines and therapies. It may also help guide future efforts against smallpox. Fri, 12 Dec 2025 21:09:27 EST https://www.sciencedaily.com/releases/2025/12/251212204834.htm https://www.sciencedaily.com/releases/2025/12/251209043050.htm New research is challenging one of medicine’s oldest assumptions: that cancer must be attacked to be cured. By treating glioblastoma patients with a simple combination of resveratrol and copper, the researchers found dramatic reductions in tumor aggressiveness, cancer biomarkers, immune checkpoints, and stem-cell–related markers—all without side effects. Their approach focuses on “healing” tumors by eliminating harmful cell-free chromatin particles released from dying cancer cells, which normally inflame and worsen the disease. The findings hint at a future where inexpensive nutraceuticals could transform cancer therapy. Wed, 10 Dec 2025 03:56:21 EST https://www.sciencedaily.com/releases/2025/12/251209043050.htm https://www.sciencedaily.com/releases/2025/12/251203004721.htm A unique vaccine rollout in Wales gave researchers an accidental natural experiment that revealed a striking reduction in dementia among seniors who received the shingles vaccine. The protective effect held steady across multiple analyses and was even stronger in women. Evidence also suggests benefits for people who already have dementia, hinting at a therapeutic effect. Wed, 03 Dec 2025 10:22:27 EST https://www.sciencedaily.com/releases/2025/12/251203004721.htm https://www.sciencedaily.com/releases/2025/11/251116105732.htm Penn State scientists identified a striking rise in melanoma across several Pennsylvania counties dominated by cropland and herbicide use. The elevated risk persisted even after factoring in sunlight, suggesting an environmental influence beyond the usual expectations. Researchers warn that drifting chemicals may expose nearby residents, not just farm workers. Sun, 16 Nov 2025 12:16:29 EST https://www.sciencedaily.com/releases/2025/11/251116105732.htm https://www.sciencedaily.com/releases/2025/10/251029100156.htm Flatworms can rebuild themselves from just a small fragment, and now scientists know why. Their stem cells ignore nearby instructions and respond to long-distance signals from other tissues. This discovery turns old stem cell theories upside down and could lead to new ways to repair or regrow human tissue. It also reveals a hidden complexity in one of nature’s simplest creatures. Wed, 29 Oct 2025 10:01:56 EDT https://www.sciencedaily.com/releases/2025/10/251029100156.htm https://www.sciencedaily.com/releases/2025/10/251027224837.htm Researchers found that COVID-19 mRNA vaccines significantly increased survival in lung and skin cancer patients undergoing immunotherapy. The vaccine appears to prime the immune system in a powerful, nonspecific way, enhancing cancer treatment outcomes. If confirmed, the discovery could lead to a universal cancer vaccine and transform oncology care. Tue, 28 Oct 2025 09:47:26 EDT https://www.sciencedaily.com/releases/2025/10/251027224837.htm https://www.sciencedaily.com/releases/2025/10/251019120525.htm A massive Veterans Affairs study has confirmed that nicotinamide may offer real protection against skin cancer. Patients who took the vitamin B3 derivative saw notable reductions in new cancer cases—especially squamous cell carcinomas. The findings could shift clinical thinking toward earlier, preventive use of nicotinamide, though it showed less benefit for transplant patients. Mon, 20 Oct 2025 09:18:01 EDT https://www.sciencedaily.com/releases/2025/10/251019120525.htm https://www.sciencedaily.com/releases/2025/10/251019120503.htm A groundbreaking study reveals that cancer patients who received a COVID-19 mRNA vaccine within 100 days of starting immunotherapy lived dramatically longer than those who didn’t. Researchers from the University of Florida and MD Anderson Cancer Center discovered that the vaccine’s immune-activating properties may boost cancer-fighting responses, acting like a nonspecific “flare” that reawakens the immune system. Sun, 19 Oct 2025 12:43:31 EDT https://www.sciencedaily.com/releases/2025/10/251019120503.htm https://www.sciencedaily.com/releases/2025/10/251013040323.htm UMass Amherst researchers have developed a groundbreaking nanoparticle-based cancer vaccine that prevented melanoma, pancreatic, and triple-negative breast cancers in mice—with up to 88% remaining tumor-free. The vaccine triggers a multi-pathway immune response, producing powerful T-cell activation and long-term immune memory that stops both tumor growth and metastasis. By combining cancer-specific antigens with a lipid nanoparticle “super adjuvant,” it overcomes key challenges in cancer immunotherapy. Mon, 13 Oct 2025 04:03:23 EDT https://www.sciencedaily.com/releases/2025/10/251013040323.htm https://www.sciencedaily.com/releases/2025/08/250818102951.htm A breakthrough mRNA cancer vaccine has shown the ability to supercharge the effects of immunotherapy in mice, sparking hope for a universal “off-the-shelf” treatment that could fight multiple cancers. Unlike traditional vaccines designed to target specific tumor proteins, this approach simply revs up the immune system as if it were fighting a virus. The results were dramatic—when paired with checkpoint inhibitors, tumors shrank, and in some cases, the vaccine alone wiped them out. Tue, 19 Aug 2025 02:22:25 EDT https://www.sciencedaily.com/releases/2025/08/250818102951.htm https://www.sciencedaily.com/releases/2025/08/250803011820.htm Scientists have discovered that flossing between your teeth could one day help vaccinate you. By targeting a uniquely permeable gum tissue called the junctional epithelium, this new method stimulates immunity right where many infections enter: the mouth, nose, and lungs. Using dental floss on mice to apply a flu vaccine triggered a robust immune response—better than existing oral approaches and comparable to nasal vaccines, but without the risks. It even worked with mRNA and protein-based vaccines. Sun, 03 Aug 2025 03:57:21 EDT https://www.sciencedaily.com/releases/2025/08/250803011820.htm https://www.sciencedaily.com/releases/2025/06/250619090853.htm Researchers from MIT and Scripps have unveiled a promising new HIV vaccine approach that generates a powerful immune response with just one dose. By combining two immune-boosting adjuvants alum and SMNP the vaccine lingers in lymph nodes for nearly a month, encouraging the body to produce a vast array of antibodies. This one-shot strategy could revolutionize how we fight not just HIV, but many infectious diseases. It mimics the natural infection process and opens the door to broadly neutralizing antibody responses, a holy grail in vaccine design. And best of all, it's built on components already known to medicine. Thu, 19 Jun 2025 09:08:53 EDT https://www.sciencedaily.com/releases/2025/06/250619090853.htm https://www.sciencedaily.com/releases/2025/06/250603114825.htm A new "trans-amplifying" mRNA vaccine delivers powerful immunity using 40 times less material and could protect against many virus strains at once. Scientists say it may pave the way for faster, cheaper, and more universal vaccines. Tue, 03 Jun 2025 11:48:25 EDT https://www.sciencedaily.com/releases/2025/06/250603114825.htm https://www.sciencedaily.com/releases/2025/06/250602154905.htm A new way of thinking about Alzheimer's disease has yielded a discovery that could be the key to stopping the cognitive decline seen in Alzheimer's and other neurodegenerative diseases, including ALS and Parkinson's. Mon, 02 Jun 2025 15:49:05 EDT https://www.sciencedaily.com/releases/2025/06/250602154905.htm https://www.sciencedaily.com/releases/2025/05/250529124610.htm Researchers have identified C5aR1 as a novel biomarker for metastasis risk and poor prognosis in patients with cutaneous squamous cell carcinoma (cSCC), the most common type of metastatic skin cancer. The new study's findings in The American Journal of Pathology, published by Elsevier, found that C5aR1 promotes the invasion of cSCC tumor cells. Its elevated presence suggests that C5aR1 might serve as a useful prognostic marker for metastatic disease and, potentially, a target for future therapies in advanced cSCC. Thu, 29 May 2025 12:46:10 EDT https://www.sciencedaily.com/releases/2025/05/250529124610.htm https://www.sciencedaily.com/releases/2025/05/250529124444.htm New HIV research shows that small changes in the virus affect how quickly or slowly it replicates and how easily it can reawaken in the body. These insights bring researchers closer to finding ways to flush out the dormant virus and eliminate it for good. Thu, 29 May 2025 12:44:44 EDT https://www.sciencedaily.com/releases/2025/05/250529124444.htm https://www.sciencedaily.com/releases/2025/05/250521161115.htm In 2022 a team discovered that high levels of OH radicals can be generated indoors, simply due to the presence of people and ozone. This means: People generate their own oxidation field and change the indoor air chemistry around them within their own personal space. Now, in a follow-up study again in cooperation with an international research team, they found that commonly applied personal care products substantially suppress a human's production of OH radicals. These findings have implications for the indoor chemistry, the air quality of occupied spaces, and human health, since many of the chemicals in our immediate vicinity are transformed by this field. Wed, 21 May 2025 16:11:15 EDT https://www.sciencedaily.com/releases/2025/05/250521161115.htm https://www.sciencedaily.com/releases/2025/05/250521125115.htm A study has found that implementing robust air pollution control measures could mean Southeast Asian countries prevent as many as 36,000 ozone-related premature deaths each year by 2050. Wed, 21 May 2025 12:51:15 EDT https://www.sciencedaily.com/releases/2025/05/250521125115.htm https://www.sciencedaily.com/releases/2025/05/250521124626.htm New research demonstrates how specially engineered bacteria taken orally can operate as a delivery system for vaccines and antiviral therapies. Wed, 21 May 2025 12:46:26 EDT https://www.sciencedaily.com/releases/2025/05/250521124626.htm https://www.sciencedaily.com/releases/2025/05/250520224245.htm Scientists and medics have developed an ultra-rapid method of genetically diagnosing brain tumors that will cut the time it takes to classify them from 6-8 weeks, to as little as two hours.The team utilized the new approach during 50 brain tumor surgeries to deliver rapid, intraoperative diagnoses. This approach has achieved a 100% success rate, providing diagnostic results in under two hours from surgery and detailed tumor classifications within minutes of sequencing. Tue, 20 May 2025 22:42:45 EDT https://www.sciencedaily.com/releases/2025/05/250520224245.htm https://www.sciencedaily.com/releases/2025/05/250515145628.htm A decades-long scientific challenge in HIV vaccine development has been finding a way to train the immune system to produce antibodies that can target many variants of the virus. Traditional approaches haven't worked -- largely because HIV mutates rapidly and hides key parts of itself from the immune system. Now, a new study combining data from two separate phase 1 clinical trials shows that a targeted vaccine strategy can successfully activate early immune responses relevant to HIV, and, in one trial, further advance them -- a key step toward a long-sought goal in vaccine development. Thu, 15 May 2025 14:56:28 EDT https://www.sciencedaily.com/releases/2025/05/250515145628.htm https://www.sciencedaily.com/releases/2025/05/250515141843.htm MIT scientists have designed self-boosting vaccines that release doses over time from a single injection. This breakthrough could make multi-shot vaccines one-and-done, protecting children in even the most remote corners of the world. Thu, 15 May 2025 14:18:43 EDT https://www.sciencedaily.com/releases/2025/05/250515141843.htm https://www.sciencedaily.com/releases/2025/05/250515141534.htm Thetis cells, a class of immune cells first described in 2022, play an essential and previously unknown role in suppressing inflammatory responses to food, a new study finds. Thu, 15 May 2025 14:15:34 EDT https://www.sciencedaily.com/releases/2025/05/250515141534.htm https://www.sciencedaily.com/releases/2025/05/250515131836.htm A new, incision-free technique developed at UVA Health to treat debilitating brain lesions called cerebral cavernous malformations, or cavernomas, has shown great promise in early testing, halting the growth of the lesions almost entirely. Thu, 15 May 2025 13:18:36 EDT https://www.sciencedaily.com/releases/2025/05/250515131836.htm https://www.sciencedaily.com/releases/2025/05/250514181248.htm The skin microbiome plays an important role in health and disease. Researchers have now substantiated that certain skin bacteria can protect us from the sun's ultraviolet (UV) radiation specifically by metabolizing cis-urocanic acid using an enzyme called urocanase. This enables the skin's ability to fine-tune how it responds to UV radiation. The findings demonstrate the ability of the skin microbiome to remodel host immune functions. Wed, 14 May 2025 18:12:48 EDT https://www.sciencedaily.com/releases/2025/05/250514181248.htm https://www.sciencedaily.com/releases/2025/05/250508161144.htm Cryptic peptides, which are expressed in pancreatic cancer cells, could be promising targets for T-cell therapies that attack pancreatic tumors, according to a new study. Thu, 08 May 2025 16:11:44 EDT https://www.sciencedaily.com/releases/2025/05/250508161144.htm https://www.sciencedaily.com/releases/2025/05/250508112443.htm The recent global monkeypox (mpox) outbreak, with a new and aggressive variant, has underscored the dire need for safe, broadly effective, and accessible vaccines. The LC16m8 vaccine, an attenuated vaccinia virus strain originally developed for smallpox, is a promising option for countering the mpox virus. Exploring this potential further, researchers employed a cross-species immunological analysis to provide new insights into LC16m8's immunogenicity and safety against mpox. The recent global monkeypox (mpox) outbreak, with a new and aggressive variant, has underscored the dire need for safe, broadly effective, and accessible vaccines. The LC16m8 vaccine, an attenuated vaccinia virus strain originally developed for smallpox, is a promising option for countering the mpox virus. Exploring this potential further, researchers employed a cross-species immunological analysis to provide new insights into LC16m8's immunogenicity and safety against mpox. Thu, 08 May 2025 11:24:43 EDT https://www.sciencedaily.com/releases/2025/05/250508112443.htm https://www.sciencedaily.com/releases/2025/05/250508112434.htm The drugs, called NRTIs, have the potential to prevent a million cases of Alzheimer's every year, the researchers believe. Thu, 08 May 2025 11:24:34 EDT https://www.sciencedaily.com/releases/2025/05/250508112434.htm https://www.sciencedaily.com/releases/2025/05/250507170530.htm Scientists have uncovered a promising new way to enhance the effectiveness of vaccines by tapping into the potential of a specific type of immune cell, opening the door to long-lasting vaccines for viruses and enhanced cancer therapies. The study used a novel approach combined with cutting-edge mRNA vaccine technology to increase the formation of a type of T cell which has remarkable self-renewing capacity and can remember threats for years and even decades. Wed, 07 May 2025 17:05:30 EDT https://www.sciencedaily.com/releases/2025/05/250507170530.htm https://www.sciencedaily.com/releases/2025/05/250507125710.htm A new class of molecules capable of killing the cancer cells that are refractory to standard treatments and responsible for recurrence has just been developed. This crucial advance in the fight against metastatic cancer is based on identifying the cellular site for ferroptosis initiation, a natural process, catalyzed by iron, that sparks the oxidative degradation of cell membranes. Wed, 07 May 2025 12:57:10 EDT https://www.sciencedaily.com/releases/2025/05/250507125710.htm https://www.sciencedaily.com/releases/2025/05/250505204912.htm People who are given a vaccine for shingles have a 23% lower risk of cardiovascular events, including stroke, heart failure, and coronary heart disease, according to a recent study of more than a million people. The protective effect of the vaccine lasts for up to eight years and is particularly pronounced for men, people under the age of 60 and those with unhealthy lifestyles. Mon, 05 May 2025 20:49:12 EDT https://www.sciencedaily.com/releases/2025/05/250505204912.htm https://www.sciencedaily.com/releases/2025/04/250428221209.htm Where you get your vaccine booster matters more than you think. Scientists in Sydney found that same-arm shots prime immune cells to respond faster, producing stronger antibodies against viruses like COVID-19 in the first week. This early edge could be crucial during outbreaks, giving people protection when it matters most. Mon, 28 Apr 2025 22:12:09 EDT https://www.sciencedaily.com/releases/2025/04/250428221209.htm https://www.sciencedaily.com/releases/2025/04/250424165403.htm 'Cold' tumors are resistant to common immunotherapies. Researchers have uncovered a master regulator that can be manipulated to prevent tumor growth in mice. Thu, 24 Apr 2025 16:54:03 EDT https://www.sciencedaily.com/releases/2025/04/250424165403.htm https://www.sciencedaily.com/releases/2025/04/250423185925.htm Researchers have discovered that expansion of mutant blood cells, a phenomenon linked to aging, can be found in cancerous tumors, and this is associated with worse outcomes for patients. Wed, 23 Apr 2025 18:59:25 EDT https://www.sciencedaily.com/releases/2025/04/250423185925.htm https://www.sciencedaily.com/releases/2025/04/250422190641.htm Researchers reveal a strategy that helps medulloblastoma, the most prevalent malignant brain tumor in children, spread and grow on the leptomeninges, the membranes surrounding the brain and spinal cord. They discovered a novel line of communication between metastatic medulloblastoma and leptomeningeal fibroblasts that mediates recruitment and reprogramming of the latter to support tumor growth. The findings suggest that disrupting this communication offers a potential opportunity to treat this devastating disease. Tue, 22 Apr 2025 19:06:41 EDT https://www.sciencedaily.com/releases/2025/04/250422190641.htm https://www.sciencedaily.com/releases/2025/04/250417145009.htm A vaccine under development has demonstrated complete protection in mice against a deadly variant of the virus that causes bird flu. The work focuses on the H5N1 variant known as 2.3.4.4b, which has caused widespread outbreaks in wild birds and poultry and other mammals. The vaccine is step toward more potent, versatile and easy-to-produce vaccines that public health officials believe will be needed to counteract evolving bird flu strains that grow resistant to existing vaccines. Thu, 17 Apr 2025 14:50:09 EDT https://www.sciencedaily.com/releases/2025/04/250417145009.htm https://www.sciencedaily.com/releases/2025/04/250414124332.htm A new study has revealed that a special group of cells in the intestines tamp down the immune responses caused by exposure to food proteins. Called 'tolerogenic dendritic cells,' these cells enable food to pass through the body without triggering an immune reaction, unless they malfunction to cause allergies. Mon, 14 Apr 2025 12:43:32 EDT https://www.sciencedaily.com/releases/2025/04/250414124332.htm https://www.sciencedaily.com/releases/2025/04/250409114529.htm Rsearchers have developed the first wearable device for measuring gases emitted from and absorbed by the skin. By analyzing these gases, the device offers an entirely new way to assess skin health, including monitoring wounds, detecting skin infections, tracking hydration levels, quantifying exposure to harmful environmental chemicals and more. Wed, 09 Apr 2025 11:45:29 EDT https://www.sciencedaily.com/releases/2025/04/250409114529.htm https://www.sciencedaily.com/releases/2025/04/250408121657.htm Researchers have shown that differences in the entire rotavirus genome -- not just its two surface proteins -- affect how well vaccines work, helping to explain why some strains are more likely to infect vaccinated individuals. Tue, 08 Apr 2025 12:16:57 EDT https://www.sciencedaily.com/releases/2025/04/250408121657.htm https://www.sciencedaily.com/releases/2025/04/250402160657.htm The technology described uses a nanomechanical platform and tiny cantilevers to detect multiple HIV antigens at high sensitivity in a matter of minutes. These silicon cantilevers are cheap and easy to mass produce and can be readily equipped with a digital readout. Built into a solar-powered device, this technology could be taken to hard-to-reach parts of the world where early detection remains a challenge to deliver fast interventions to vulnerable populations without waiting for a lab. Wed, 02 Apr 2025 16:06:57 EDT https://www.sciencedaily.com/releases/2025/04/250402160657.htm https://www.sciencedaily.com/releases/2025/04/250402122149.htm A unique vaccination rollout in Wales offered researchers a natural experiment: some older adults qualified for the shingles vaccine, while others just missed the cutoff. The results were striking — those who got the shot had a 20% lower risk of developing dementia within seven years. This breakthrough hints that viruses lurking in the nervous system may contribute to dementia and that prevention could be simpler than anyone imagined. Wed, 02 Apr 2025 12:21:49 EDT https://www.sciencedaily.com/releases/2025/04/250402122149.htm https://www.sciencedaily.com/releases/2025/03/250321163545.htm New research shows how a specially trained population of immune cells keeps the peace by preventing other immune cells from attacking their own. The study provides a better understanding of immune regulation during infection and could provide a foundation for interventions to prevent or reverse autoimmune diseases. Fri, 21 Mar 2025 16:35:45 EDT https://www.sciencedaily.com/releases/2025/03/250321163545.htm https://www.sciencedaily.com/releases/2025/03/250319143643.htm A study has found that a single dose of the Imvanex vaccine provides protection against Mpox with 84% effectiveness. For people with HIV, however, a single dose of the vaccine fails to offer sufficient protection. All at-risk groups, and people with HIV in particular, should therefore receive the second dose of the vaccine as recommended. Wed, 19 Mar 2025 14:36:43 EDT https://www.sciencedaily.com/releases/2025/03/250319143643.htm https://www.sciencedaily.com/releases/2025/03/250319142841.htm The new approach establishes an opportunity to harness the success of immunotherapies that revolutionized the treatment of childhood leukemias for childhood brain cancers. Wed, 19 Mar 2025 14:28:41 EDT https://www.sciencedaily.com/releases/2025/03/250319142841.htm https://www.sciencedaily.com/releases/2025/03/250319142838.htm New study demonstrates how high-affinity B cells 'bank' their best traits instead of rolling the dice and risking deleterious mutations, with implications for better vaccine design. Wed, 19 Mar 2025 14:28:38 EDT https://www.sciencedaily.com/releases/2025/03/250319142838.htm