Articles tagged with Scars
Researchers analyzed rake marks on over 3000 humpback whale tails and found that attacks by orcas are on the rise. The study suggests that young whales are primary targets, with scarred females showing a higher reproductive success rate.
A University of Arizona researcher is working on a potential treatment strategy targeting cardiac fibroblasts responsible for excessive collagen production in the heart. The goal is to prevent progression to heart failure by slowing down the overproduction of scar tissue.
A new AR device enables surgeons to interactively explore 3D cardiac data in real-time, reducing the risk of infection and improving patient care. The technology has shown exciting potential for guiding treatment and improving treatment outcomes.
Researchers at Boston University School of Medicine developed a simplified procedure called SEAL to remove scar tissue and adhesions that contribute to post-surgical low back pain. The study found short-to-moderate term pain relief in 74% of patients, with over 40% experiencing greater than 50% pain relief after three years.
A study by University of Pennsylvania researchers identified a rare example where being older improves tissue function, leading to reduced scar formation. The key factor is a compound called stromal cell-derived-factor-1 (SDF1), which is secreted in the bloodstream and is more abundant in younger individuals.
Researchers discovered that older mice exhibit increased tissue regeneration and decreased scar formation in skin wounds. The findings were confirmed in human studies, suggesting that aging suppresses the circulating factor SDF1, which promotes scar formation. The study's authors hope to develop a drug to prevent scarring in humans.
A novel cosmetic product has shown promise in covering facial scars, with patients reporting improved satisfaction with their appearance. The treatment's effectiveness varies depending on the location and degree of scarring, but the results suggest a potential long-term solution for those affected.
Researchers developed 3D personalized computational models of patients' hearts to accurately identify arrhythmia locations. The models correctly predicted treatment targets and reduced ablated tissue areas in some cases. Clinical trials demonstrated the feasibility of integrating simulation predictions into routine procedures.
Researchers at the University of Arizona College of Medicine - Tucson are studying two potential drug candidates to stop and reverse excessive scar tissue growth in the lungs. The compounds target the enzyme Nox4, which is believed to be the cause of excessive scar tissue growth.
Researchers have found a way to overcome the barrier that prevents damaged neurons from regrowing after spinal cord injury. By turning back the neurons' clocks and reactivating growth patterns, they were able to reconnect severed spinal cord nerves and induce new axons to regrow across the scarred tissue.
Scientists have discovered a three-pronged treatment that stimulates axon growth through scar tissue in rodents, potentially leading to therapies for humans. The approach triggers axon growth and transmission across damaged tissue, opening doors to restoring connections in people with spinal cord injury.
IPF is associated with increased extracellular vesicles that relay WNT5A signals to lung cells, leading to scarring and impaired lung function. The study proposes a pharmacological biomarker and therapeutic approach to address this disease.
A new NIH-funded study will investigate the role of exosomes in keloid development, with researchers hoping to identify novel therapies for this common skin condition. The study aims to improve our understanding of keloid pathogenesis and potentially develop more effective treatments.
Researchers developed a drug-delivery system that dissolves clots in minutes, limits scarring, and preserves cardiac function. The targeted treatment may improve patient outcomes by allowing for earlier treatment of heart attacks without surgical intervention.
A NASA scientist has mapped the heat escaping from beneath Greenland's ice sheet, revealing a thermal track that records the movement of a continent through Earth's history. This heat map exposes a diagonal scar of warm, dense rock below the surface, created by a mantle plume that has fueled volcanic eruptions.
A new Tel Aviv University study suggests that an intravenous injection of a potent enzyme can reduce inflammation and scarring that prevent neuronal regeneration after spinal cord injury. The treatment aims to lower levels of glutamate, released in toxic quantities after trauma, to moderate the damage and enable neuronal cells to survive.
A study found a 65% increase in cirrhosis deaths and a doubling of liver cancer deaths among US adults between 1999 and 2016. Young people aged 25-34 experienced the highest average annual increase in cirrhosis deaths, driven by alcohol-related liver disease.
A new Northwestern Medicine study identified a trigger for some fibrotic diseases and an experimental compound to treat it. The compound, T53, reversed abnormality in three different mouse models of fibrosis, suggesting a novel approach to treat the disease.
Researchers found that lower than normal blood levels of vitamin D were associated with an increased risk of early signs of interstitial lung disease, a condition that can lead to progressive lung damage. Vitamin D deficiency was linked to larger volumes of damaged lung tissue and abnormalities on full lung scans.
Scientists have developed a new technique using nanoparticles called NanoFlares to quickly and accurately predict excessive scarring. The method involves applying the nanoparticles to closed wounds and using a fluorescence microscope to detect signals given out by the nanoparticles' interaction with target biomarkers.
A new biotechnology, lung-on-a-chip, has been developed to simulate pulmonary fibrosis, a serious lung disease. This innovation could streamline the drug-testing process, making it quicker and less expensive.
Researchers introduce 'quantum many-body scar' concept to explain unexpected periodic oscillations in interacting atoms. The phenomenon alters our understanding of possible dynamics in many-body quantum systems, providing a new perspective on equilibrium state.
A new study identifies specific characteristics of Ebola retinal lesions, providing clues on how the virus travels to the retina and causes damage. Researchers found unique retinal scars in 15% of Ebola survivors with reported eye symptoms after recovery.
A new theory explains the behavior of individual atoms in a recent experiment, revealing the existence of 'quantum many-body scars' that could help create robust quantum dynamics. This phenomenon is crucial for keeping atoms in a quantum state, which is necessary for processing and storing information in quantum computers.
Researchers developed a method to improve electrical transmission in the heart by introducing the Connexin 43 gene into cells forming the infarct scar. Mice with overexpressed Cx43 showed reduced cardiac arrhythmias compared to control animals.
Researchers have developed thin, flexible polymer-based materials for microelectrode arrays that record brain activity more deeply and with greater specificity. These arrays have been shown to be less invasive and damaging to surrounding cells, allowing for longer recording periods.
Researchers at Cincinnati Children's Hospital Medical Center have identified a new molecular target, FOXF1, that slows or stops idiopathic pulmonary fibrosis (IPF) in preclinical laboratory tests. The study found that FOXF1 inhibits IPF disease process by regulating genes involved in lung scarring and inflammation.
Scientists create LINNAEUS technique to map cellular lineage, enabling identification of rare and unknown cell types. The method reveals connections between cells and allows for construction of lineage trees, providing insights into developmental processes and disease mechanisms.
Researchers at the University of Edinburgh have identified a cell process called senescence as a contributing factor to bile duct disease and liver failure. The study found that blocking chemical messages sent by cells during senescence restores liver function in mice, pointing towards new treatment targets.
Researchers at Karolinska Institutet identified a mechanism that blocks nerve fiber regeneration in spinal cord injuries, leading to permanent functional deficits. By inhibiting scar formation, they found improved functional recovery in mice, offering new hope for treating this devastating condition.
A clinical trial found that Botox injections can improve facial surgical scars by producing narrower and flatter scars. The study used a split-scar design, with half of the patient's face treated with Botox and the other half with a placebo, and found significant improvements in scar appearance six months later.
Researchers at the University of Arizona have discovered that brain liquefaction after a stroke can be toxic, slowly leaking into the remaining healthy portion of the brain and potentially causing harm. The study suggests that this toxic fluid may contribute to dementia after stroke.
A new study published in Circulation found that 8% of women with chest pain have myocardial scar, indicating previous heart muscle damage. The study suggests that women be taken seriously when complaining of chest pain and receive appropriate medical care.
Researchers created biodegradable bandages with antibacterial properties, accelerating tissue regeneration twice as quickly as usual. The bandages also prevent scarring and promote normal skin covering tissue regeneration.
Researchers found patients and doctors disagree on surgical scarring evaluation 28% of the time, with patients focusing on depth and physicians on coloration and texture. This highlights the need for better assessment methods and improved preoperative counseling.
Researchers have developed a new technique using optical coherence elastography to measure the mechanical properties of heart tissue after a heart attack. The method reveals differences in tissue mechanics between healthy and scarred tissue, providing insights into developing therapies to regenerate damaged heart tissue.
A Finnish study found that statin medication reduces risk of repeated surgery after vitrectomy for retinal detachment, likely due to reduced inflammation and scar tissue formation. Statins show promise in preventing scar tissue in eye health, but further research is needed.
Research at the University of Exeter found that obese individuals' fat tissue becomes distressed, scarred, and inflamed, leading to reduced energy storage and increased inflammation. This scarring can make weight loss more difficult and increase the risk of obesity-related health complications.
Researchers analyzed medical records of 487,104 black women and found that those with CCCA had a significantly higher prevalence of uterine fibroids compared to controls. The findings suggest a possible link between the two conditions, warranting increased awareness among physicians and patients.
Researchers at WashU Medicine used noninvasive radiation therapy to treat five patients with ventricular tachycardia, a life-threatening heart rhythm. The treatment resulted in a significant reduction in arrhythmia events, with some patients experiencing no episodes over the course of a year.
A team of researchers from the University of Bristol has successfully transplanted genetically modified olfactory ensheathing cells that secrete a treatment enzyme, promoting nerve regrowth in rodent models of spinal cord injury. This approach may potentially lead to improved recovery and functional restoration for individuals with sev...
A South American amphibian, Siphonops annulatus, has a liver that produces blood cells throughout its lifetime and breaks down collagen. Researchers found melanomacrophages in the species' liver cells can remove and break down collagen, potentially helping to prevent cirrhosis.
Researchers discovered that RAGE protein plays a crucial role in repairing DNA damage and healing tissue in the lungs. Treatment with RAGE protein reversed scarring and restored functionality in mice with pulmonary fibrosis. The study provides new insights into molecular therapy for lung damage and offers potential therapeutic benefits.
A study published in Laryngoscope found that certain genetic variations are linked to acquired laryngotracheal stenosis (ALTS), with African Americans being more susceptible. The researchers hope to use genetic testing to prevent ALTS through alternative breathing tube options.
Scientists at Duke-NUS and National Heart Centre Singapore have made a major breakthrough discovering that interleukin 11 is responsible for fibrosis and causes widespread organ damage. This finding has the potential to transform treatment of millions worldwide, as inhibiting IL11 can prevent heart and kidney fibrosis.
Suture ligation is a common but ineffective treatment for polydactyly, often requiring corrective surgery due to complications such as painful neuromas and infection. Surgical excision is considered a more effective option with fewer risks and less scarring.
A new experimental drug has been found to block deadly muscle scarring that contributes to chronic heart failure and skeletal muscle disorders. The treatment targets alpha V integrins on scar-forming cells, reducing scarring even when the process has already started.
A 38-year-old man suffered serious liver damage after using Epsom salts to treat gallstones. He was advised to stop taking the salts and drink plenty of fluids after rapid worsening of fibrosis prompted by excessive salt intake.
British Columbia has been severely impacted by forest fires, with large portions of the landscape decimated by fire. The NASA's Aqua satellite provides a clear visual representation of the extent of the damage through its natural color and false color images.
Researchers at Cincinnati Children's Hospital Medical Center found that blocking a molecular pathway can stop or slow cardiac fibrosis, organ enlargement, and preserve heart function. The study provides new insights into what causes cardiac fibrosis and opens the potential for finding new therapeutic approaches.
Researchers at Nanyang Technological University developed a gel patch enriched with Angiopoietin-like 4, which speeds up wound healing while reducing scarring. The patch shows promise for treating hard-to-heal skin lesions in diabetic patients and post-surgical patients.
A new study by James Godwin found that macrophages are essential for heart regeneration in salamanders, suggesting a potential solution to the human disease. The research has significant implications for regenerative medicine and may lead to the development of drug therapies to promote scar-free healing.
A study published by researchers from the University of Pennsylvania School of Medicine has identified two distinct cell types in the lungs, one promoting regeneration and the other forming scar tissue. This discovery could lead to targeted therapies for conditions such as idiopathic pulmonary fibrosis and chronic obstructive pulmonary...
A biodegradable nanoparticle injection after a spinal cord injury prevents inflammation and scarring that inhibits repair. Mice with the treatment were able to walk better than those without, suggesting a potential new approach for human spinal cord injury treatment.
Researchers use MRI elastogram to measure kidney scarring and predict future kidney function within one year. The test detects high variability in scarring throughout the entire organ and is comparable to traditional needle biopsies.
Researchers found that losartan reduced mitral valve scarring and stiffening in an animal model of heart attack. The study supports a new approach to treating heart valve disease, aiming to prevent disease progression at an early stage.
A recent study from Guam found that non-native Acacia trees alter the soil chemistry and root-zone nutrient budgets, causing collateral ecosystem deviations. The results contribute to ongoing global discussions about afforestation for revegetating tropical degraded habitats.
Researchers have created a new gadolinium-based probe for noninvasive monitoring of lung fibrogenesis, which can lead to scarring. The probe targets allysine, an amino acid indicative of active collagen cross-linking, and displays high target selectivity in both test tube and real mouse models.
Researchers observed rapid immune cell changes within minutes of a traumatic injury, with some cells increasing and others decreasing. These changes reflected both innate immune activation and suppression, suggesting simultaneous processes. The study highlights the dynamic nature of the immune response to trauma.
Research suggests type 2 immunity protects against metabolic disease but worsens nonalcoholic fatty liver disease (NAFLD) through inflammation and scarring. Inflammation in the liver involves immune molecules like IL-13, TGF-beta, and IFN-gamma.