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الوسم: ALS

  • Scientists Find Blood Markers to Detect ALS Earlier

    Scientists Find Blood Markers to Detect ALS Earlier

    ALS is among the most destructive diseases affecting the nervous system. It targets nerve cells responsible for voluntary muscles, leading to progressive weakness that makes everyday tasks impossible. Since nerve cells seldom recover once destroyed, early detection has become a primary focus of medical research.

    Researchers at the University of Miami believe they’ve discovered a vital clue within the blood. Their latest study indicates that alterations in a small set of blood proteins could serve as early warning signs of ALS, potentially revealing the disease long before any symptoms manifest.

    This breakthrough could be especially beneficial for families with inherited ALS risk. Some individuals are aware of their genetic predisposition but have no way to predict when symptoms might start. Up until now, medical professionals had limited tools to guide such discussions.

    The team examined blood samples from participants in the Pre-fALS study, which has tracked individuals with inherited ALS risk over nearly twenty years. These volunteers provided blood and health data while still healthy, creating a unique record of the period leading up to disease onset.

    Employing advanced laboratory techniques, scientists analyzed over 5,000 proteins in the blood samples. They found that dozens of these proteins changed levels before the participants developed ALS or frontotemporal dementia, a related condition that can occur alongside ALS.

    To identify the most reliable early indicators, the researchers utilized artificial intelligence to analyze various protein combinations. They concluded that a panel of 19 proteins offered the most accurate predictions across different timelines, helping estimate when symptoms might appear.

    A key protein in this panel was neurofilament light chain, already associated with nerve damage in previous studies. When combined with other proteins, it helped create a comprehensive picture of disease progression that surpasses the usefulness of any single marker.

    The findings were validated using data from the UK Biobank, which includes health information from a broader population. The consistent results from this larger dataset boosted confidence that this protein pattern could have widespread application beyond the initial study group.

    This discovery comes at a crucial time, as preventive treatments are increasingly entering clinical trials. Researchers are currently investigating whether the drug tofersen can delay or prevent ALS if administered before symptoms emerge.

    The ability to determine the optimal timing for treatment could significantly improve its effectiveness. In the future, clinicians might intervene while the nervous system remains largely healthy, rather than waiting for irreversible nerve damage to occur.

    While this research marks a significant step forward in early ALS detection, it is not definitive. Larger studies and real-world testing are required before these blood tests can become routine in medical practice.

    Nevertheless, the evidence strongly suggests that blood-based biomarkers could revolutionize how ALS is diagnosed and treated, shifting the focus from reactive management to proactive prevention.

    If you’re interested in neurological health, consider exploring studies on how Vitamin B9 deficiency is linked to increased dementia risk, or how foods rich in flavonoids might help prevent cognitive decline. Recent research also highlights how cranberries could improve memory, and examines how alcohol, coffee, and tea consumption impact cognitive health.

    Source: University of Miami.

  • Unseen Brain Waste Link to Two Deadly Diseases

    Unseen Brain Waste Link to Two Deadly Diseases

    Researchers might have uncovered a surprising clue hidden within the brains of individuals suffering from two deadly neurological diseases. Instead of only focusing on damaged neurons or abnormal proteins, scientists discovered that a common waste product called urea was present at significantly higher levels than expected. This research was published in Molecular Omics by a team from the University of Manchester.

    Urea is a chemical produced daily when the body breaks down protein from food. Usually, healthy kidneys efficiently eliminate it through urine, so most people don’t think twice about it. The brain is also supposed to tightly regulate waste removal, but this study suggests that this system may sometimes fail.

    The team examined two incurable diseases: frontotemporal dementia (FTD) and amyotrophic lateral sclerosis (ALS). FTD often alters personality, behavior, and language at a younger age than Alzheimer’s, while ALS primarily damages the nerves responsible for movement, eventually making daily activities more difficult.

    Despite their differences, FTD and ALS share many biological connections. Some patients exhibit symptoms of both, and they display several similar changes inside the brain. This has led researchers to search for a common process that could explain both diseases.

    Using donated brain tissue, the researchers measured urea levels across various brain regions, comparing affected brains with healthy controls. Advances in laboratory technology allowed them to detect even small differences.

    Results were striking: brains affected by FTD showed excess urea in both severely damaged and less affected areas, while ALS brains had the highest urea concentrations in regions controlling movement. These findings suggest waste removal problems might occur early, before extensive brain damage.

    Interestingly, this research builds on prior studies by the same team, which reported elevated urea levels in Alzheimer’s and other dementias. This points to the possibility that various neurodegenerative diseases may share a common weakness—difficulty clearing harmful waste—rather than having entirely separate causes.

    It remains unclear whether the excess urea contributes directly to nerve cell damage or simply accumulates following cellular sickness. Either scenario enhances our understanding of disease progression and underscores the need for further studies in animals and living patients.

    If future research shows waste buildup actively worsens these conditions, it could lead to treatments aimed at boosting the brain’s natural cleaning processes. Such therapies might benefit multiple neurological disorders rather than just one, expediting the development of effective interventions.

    This study offers an exciting perspective by linking FTD and ALS through a biological process already observed in other dementias. Its strength lies in consistency with earlier findings, making the overall theory more compelling.

    However, because the study was based on postmortem tissue, it cannot establish whether excess urea causes disease or results from it. Larger clinical studies will be crucial before translating these findings into therapies, but they open promising avenues for future research.

    If you’re interested in dementia prevention, consider reading about how vitamin B9 deficiency is linked to increased risk, or how foods rich in flavonoids might help stave off cognitive decline. Other promising studies suggest cranberries could boost memory and explore how alcohol, coffee, and tea consumption influence brain health.

    Source: University of Manchester.

  • Eric Dane, ‘Grey’s Anatomy’ Star, Dies at 53 Following ALS Battle

    Eric Dane, ‘Grey’s Anatomy’ Star, Dies at 53 Following ALS Battle

    DIGITAL PHABLET – Beloved actor Eric Dane passes away after a courageous battle with ALS.

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    Eric Dane, renowned for his role as the charismatic plastic surgeon nicknamed “McSteamy” on the popular ABC medical series “Grey’s Anatomy,” has died. He was 53 years old.

    Melissa Bank, his publicist, announced his passing, sharing that he had been battling ALS, a neurological disorder also known as Lou Gehrig’s disease, which progressively impairs muscle movement, speech, and eventually breathing.

    In her statement, Ms. Bank expressed, “He spent his final days surrounded by close friends, his loving wife, and his two beautiful daughters, Billie and Georgia, who meant everything to him.”

    Eric Dane Photo by AMY SUSSMAN / GETTY IMAGES NORTH AMERICA / GETTY IMAGES VIA AFP

    Eric Dane died ten months after revealing in an April 2025 interview with People magazine that he had ALS. Over the following months, he openly discussed the struggles of living with the disease as it worsened, through interviews and social media updates. ALS, or amyotrophic lateral sclerosis, often limits individuals to living only two to five years post-diagnosis. However, ongoing clinical research offers hope for extending patients’ lives by a few months.

    In 2025, Dane appeared on “Good Morning America” with Diane Sawyer, sharing, “I will never forget those three letters.” He added, “I’ll deal with it as soon as I wake up.” He talked about how his right arm had already stopped functioning and emphasized, “This is real, not a dream.”

    Later that year, during a program aimed at raising awareness, Dane sat in a chair and declared, “I am an actor.” His speech was slightly slurred as he shared, “I’m a dad, and I live with ALS now.” He urged viewers to help push for treatments and increased funding to combat the disease.

    Born as David William Dane in San Francisco on November 8, 1972, he was raised by William Dane, an architect and interior designer, and Leah (Cohn) Dane, a homemaker. He had a younger brother.

    During high school, Dane excelled in sports and developed an interest in acting after starring in a school production of Arthur Miller’s “All My Sons.”

    He moved to Los Angeles in 1993, launching his career with a role on “The Wonder Years.” This led to smaller appearances on hit series like “Saved by the Bell” and “Married… with Children.”

    Early in his career, Dane secured supporting roles that highlighted his boyish charm. His debut on TV was as a doctor in ABC’s medical drama “Gideon’s Crossing.” He also played a newspaper publisher in San Francisco and was a love interest for Alyssa Milano’s character Phoebe in “Charmed,” the CW series about three witch sisters.

    In film, Dane appeared in 2006’s “X-Men: The Last Stand” as a mutant capable of transforming into different versions of himself. Two years later, he co-starred in “Marley & Me,” a comedy based on real-life events about a married couple of reporters and their mischievous yellow Labrador retriever.

    He married Rebecca Gayheart in 2004, and she, along with their two daughters, Billie Beatrice and Georgia, was present when he passed away.

    The breakthrough role that made Dane widely recognizable was in “Grey’s Anatomy,” a medical soap opera that premiered in 2006. He played Dr. Mark Sloan, the charming, blue-eyed head of plastic surgery at a fictional hospital in Seattle. His character was notorious for stirring trouble weekly and earned the nickname “McSteamy” for his sultry demeanor and charismatic talk.

    One particularly famous scene featured Dane shirtless, wrapped in a white towel, after a shower—a scene famously dubbed the “towel scene.” He later admitted he had no idea at the time how iconic that moment would become.

    In 2025, Dane reflected in an interview with Ms. Sawyer, “It was just another scene to me back then.” He remembered how a crew member joked as he left the bathroom, “A good guy blowing smoke.”

    He appeared in 139 episodes of “Grey’s Anatomy,” making it one of ABC’s most successful series since 2005.

    Beyond “Grey’s,” Dane also starred as a stern but principled Navy captain in “The Last Ship,” a dystopian drama that ran for five seasons. He continued working steadily despite health challenges.

    Most recently, in the latest season of HBO’s “Euphoria,” he played the father of Nate Jacobs, portrayed by Jacob Elordi. In November 2025, Dane drew from his own experience for a role as a firefighter on NBC’s “Brilliant Minds,” a medical thriller about a man struggling with his family’s acceptance of his ALS diagnosis.

    Dane’s memoir, titled “Book of Days: A Memoir in Moments,” is scheduled for release in 2026 through Open Field, Maria Shriver’s publishing imprint at Penguin Random House.

    He discussed his time as McSteamy and his perspective on fame in a 2015 interview with Conan O’Brien, joking, “It would be weird if you didn’t.”

    He mused about his new role as a ship’s captain, joking about gaining weight while sitting at the wheel and barking commands, adding, “I think I’ll just let it go.” He also confessed, “I no longer care.”