Articles tagged with Collagen
Researchers from Okayama University and Tohoku University have identified a promising way to breach the physical and biochemical barrier created by fibrosis in pancreatic cancer. By blocking collagen signaling through DDR1, they improve drug delivery and enhance treatment response.
Scientists at Max Planck Institute develop a novel lab-on-a-chip system using intelligent hydrogel structures to simulate spatially and temporally controlled mechanical perturbations of biological polymer networks. The system applies precise pressure forces to cellular microenvironments, enabling research into biomechanical interaction...
Researchers identify PIEZO2-expressing fibroblasts as key drivers of keloid formation and recurrence. These cells sense mechanical pressure, leading to excessive collagen production and scarring. The study's findings hold significant implications for future diagnosis and treatment options.
Researchers at Beihang University have made new progress in understanding the relationship between collagen fiber arrangement and pathological calcification in atherosclerosis. The study found that CFA disruption is closely linked with inflammatory responses, SMC phenotype switching, osteogenic gene expression, and vascular calcificati...
GeniPhys has received FDA clearance for its self-assembling collagen scaffold, Collymer Self-Assembling Scaffold (SAS), which supports cellular infiltration and vascularization. The technology is indicated for various wound types and anchors a growing intellectual property portfolio with nearly 20 issued or pending patents.
Scientists have developed new markers to identify three key megafauna species in Australia, including a wombat the size of a hippo and a giant kangaroo. The discovery could provide crucial evidence about prehistoric ecosystems and help understand future extinctions.
Researchers from Yokohama National University have developed a method to fabricate complex oriented tissues with multiple directionality using 3D printing. This technique utilizes flow to orient collagen fibers and cells, allowing for the creation of fine, micro-oriented structures in both horizontal and vertical directions.
Researchers found that individuals who consumed collagen-enriched protein bars lost twice as much weight as a control group. The supplement also improved blood pressure, waist circumference, and liver health. Participants reported feeling less hungry and more full.
Researchers identified cartilage oligomeric matrix protein (COMP) as a key driver of abnormal collagen I accumulation in OSF. Targeting COMP's interaction with collagen XIV may halt or reverse the disease's progression, offering hope for more effective treatments.
Researchers developed collagen-based scaffolds that can integrate with a vascular and perfusion organ-on-a-chip reactor to form complete tissue engineering platforms. The team demonstrated the ability to create non-planar 3D networks in soft, organic material by printing helical vascular networks modeled after DNA structure.
Researchers at Carnegie Mellon University have developed a novel FRESH bioprinting technique that enables the creation of microphysiologic systems entirely out of collagen, cells, and other proteins. This advancement expands the capabilities of studying disease and building tissues for therapy, such as Type 1 diabetes.
Researchers have identified a potential precision medicine approach to prevent chronic kidney disease progression by targeting type 5 collagen, a minor component of scar tissue. A repurposed anti-cancer drug, Cilengitide, has been shown to slow kidney scarring and disease progression in high-risk individuals.
Collagen from natural sources like bovine, porcine, and marine collagen improves skin hydration, elasticity, and appearance. Synthetic collagen variants offer alternative sources with enhanced purity and functionality, used in various cosmetic products.
A groundbreaking study from Okayama University reveals that keratinocytes, not fibroblasts, are responsible for dermal collagen formation in humans and other vertebrates. Keratinocytes produce collagen fibers in a structured arrangement before fibroblasts modify them.
Researchers used cryo-electron microscopy to determine the atomic structure of collagen assemblies with an unexpected right-handed superhelical twist. This discovery could reshape biomedical research by revealing greater structural diversity in collagen.
A recent study published by researchers at the University of Liverpool has confirmed that Mesozoic fossils, including dinosaur bones and teeth, still preserve their original organic materials. The team used advanced mass spectrometry techniques to identify preserved collagen remnants in a well-preserved Edmontosaurus fossil.
Recent studies have developed recombinant collagen-like proteins exhibiting enhanced cell adhesion activity, including the newly approved injectable product for cosmetic use. The advancements involve class A recombinant humanized collagen with better biological activities than class B.
A group of researchers found that cells can move faster with lower force when adhered to soft surfaces with aligned collagen fibers. They developed a theoretical model to explain the physics behind this behavior, which has implications for cancer metastasis and wound healing.
Researchers have discovered that AHCC suppresses liver fibrosis by inhibiting the activation of hepatic stellate cells through two channels. Early administration of AHCC may hold the key to preventing the onset of cirrhosis, a potentially fatal condition.
Advanced research identifies potential molecular instructions determining echinoderms' ability to adapt and regenerate tissues. The breakthrough could lead to new regenerative therapies and smart collagen-based biomaterials for treating human health conditions.
Collymer is a regenerative collagen polymeric biomaterial designed for various medical applications. It can be engineered into materials with different shapes and properties to address unmet clinical needs in wound care, tissue reconstruction, aesthetics, orthopedics, and therapeutic cell delivery.
GeniPhys secures $500k NSF grant to support regulatory and commercial readiness of Collymer SAS for soft tissue restoration in advanced wound care. The technology promotes regenerative remodeling without inflammatory response, facilitating faster healing and tissue repair.
Researchers develop eco-friendly method to extract collagen from marine waste, reducing reliance on traditional processes that harm the environment. The study employs statistical modeling to optimize conditions, achieving high collagen yields and paving the way for more sustainable production practices.
Researchers found that molecular interactions shield peptide bonds from water, allowing collagen to stay intact in ancient bones. This discovery could lead to the design of long-lived materials.
Researchers found an atomic-level interaction in collagen that defends it from water molecules, preventing hydrolysis and allowing it to survive for millions of years. This discovery provides evidence that the peptide bonds in collagen are resistant to breakage by water, contradicting previous expectations.
A study found that collagen tripeptide and elastin peptide supplements significantly improved skin hydration, elasticity, and collagen content in middle-aged women. The combination of these peptides demonstrated enhanced anti-aging effects compared to a placebo group.
A new study uses nanoscopic 3-D imaging to analyze ancient bone samples, revealing insights into protein and tissue preservation during fossilization. The technique shows that Ice Age bones still retain original collagen protein frameworks, offering a potential proxy for screening specimen suitability for molecular sequencing.
Researchers discovered a step-by-step process of calcification in aortic valves, revealing two defense mechanisms: osteopontin and collagen fibers. The study provides new insights into understanding cardiovascular calcification and potential therapeutic applications.
Researchers have designed a novel 3D hydrogel culture system that accurately mimics the mammalian lung environment, allowing for the study of tuberculosis bacteria infection and therapeutics. The system successfully tracks infection progression and demonstrates the efficacy of pyrazinamide in clearing out TB bacteria.
Researchers found that tumor-associated macrophages respond to physical properties of fibrosis by synthesizing injury-associated collagens, resulting in metabolic changes that suppress CTL function. This provides an alternative explanation for why anti-tumor immunity is impaired in fibrotic solid tumors.
Researchers used novel biomolecular methods to analyze fossil bone fragments at the Smithsonian Museum, revealing excellent preservation of collagen proteins that can provide a molecular barcode for identification. The study provides new insights into the mysterious disappearance of North America's large mammals 50,000 years ago.
Researchers have identified collagen features as valuable biomarkers for evaluating melanoma immunotherapy response. Single-fiber characteristics were found to be more sensitive to treatment-induced changes than bulk collagen features, offering insights into collagen remodeling over time.
Researchers at the University of Wisconsin-Madison have developed a novel approach to treating pancreatic cancer using nano-drugs delivered via bacteria. The treatment bypasses the dense collagen barrier surrounding tumors, allowing for more effective delivery of immunotherapies.
Researchers developed a new experimental strategy to tackle scarring and fibrosis by releasing enough collagen to prevent tissue damage while protecting it from excessive amounts. The strategy, which uses molecules known as peptides to block the export of collagen from cells, shows promise in treating conditions such as scleroderma.
A team of researchers at Weill Cornell Medicine has discovered a critical protein sensor called SEL1L that regulates collagen clearance from tissue. This finding provides new insights into the development of therapeutic strategies for diseases like lung fibrosis, which currently have no effective treatments.
Scientists discovered how water influences collagen formation and assembly. Replacing water with heavy water accelerates collagen production but results in a less stable network. The study's findings offer insights into collagen-related diseases like brittle bone disease and may lead to new materials with controlled mechanical properties.
Researchers found that synthetic PIC gel can stimulate cell growth and increase collagen production, potentially improving wound healing after pelvic organ prolapse surgery. The study also showed a mild immune response to the gel when tested on laboratory animals.
A new study finds that Type 2 diabetes causes intervertebral discs to become stiffer and change shape earlier than normal. This leads to a compromised ability to withstand pressure, highlighting the need for preventative and therapeutic strategies.
Researchers at Aston University have discovered that aging skin exhibits distinct optical properties under polarised laser light. This finding could lead to the development of non-invasive light-based techniques for early detection and monitoring of skin conditions, including cancer.
A recent study published in PNAS suggests that impaired macrophage function plays a key role in the development of type 2 diabetes in obese individuals. The research found that collagen breakdown is handled by macrophages, which become deactivated in obesity and insulin resistance, leading to the accumulation of collagen fragments.
Researchers discovered that RvD2, a specialized proresolving lipid mediator, can alleviate established liver scarring or fibrosis. Treatment with RvD2 improved liver histopathology and increased bone marrow and blood monocytes.
Researchers found a total of 4,721 proteins altered with age in the murine ovary, including upregulated ECM proteins associated with fibrosis. Age-dependent changes also affect immune response pathways and unique immune cell populations.
Researchers at UNIST developed a microfluidic system to process blood into artificial tissue scaffolds for vascular regeneration. Autologous blood-based implants demonstrated superior wound closure rates, increased epidermis thickness, and enhanced collagen deposition in rodent skin wounds.
Researchers from Binghamton University found that collagen fibers in skin become more tightly packed together, leading to increased stiffness and tissue hardness. This study sheds light on the biological mechanisms behind sun-induced skin changes.
Scientists at Heidelberg Institute for Theoretical Studies discovered that collagen's weak sacrificial bonds rupture before the main structure, protecting tissue from excessive force. This mechanism helps to localize damage and promote recovery by dissipating mechanical stress and reducing oxidative stress in the body.
Researchers at DTU Health Tech created a multi-levelled scaffold that enables near-perfect bone healing in just eight weeks, without using growth factors or endocrine factors and cells. The scaffold combines essential bone minerals with mechanical properties matching human bone compressive strength.
A research team at the Wyss Institute engineered a 3D model of extracellular matrix to study the impact of tissue mechanics on T cells. They found that viscoelasticity played a crucial role in shaping T cell traits and functions, enabling the creation of functionally distinct T cell populations for adoptive therapies.
Researchers developed a new method, photoacoustic spectral analysis (PASA), to analyze the tumor microenvironment without invasive procedures. The technique uses laser light and sound waves to identify different types of tumors with high accuracy.
A combination of microneedling and cupping therapies has been found to significantly improve skin thickness and increase collagen levels in a study published in Plastic and Reconstructive Surgery. The experimental study examined the effects of adding cupping therapy to microneedling on skin regeneration and scar healing.
A recently discovered protein domain, MOTH, has been found to regulate collagen transport between cells and organelles. This domain, which evolved over several hundred million years, is responsible for identifying and transporting the collagen protein.
This study examined the effects of deferoxamine and ferrostatin-1 on salivary gland dysfunction in ovariectomized rats. The researchers found that these compounds reduced inflammation, fibrosis, and improved salivary gland function, suggesting potential treatments for postmenopausal xerostomia.
Conclusive evidence of chicken breeding in the Yayoi period of Japan has been discovered at the Karako-Kagi site. The study found that chickens were bred in the area during the middle Yayoi period, around 381-204 BCE, providing clear evidence that breeding occurred on the Japanese archipelago.
Researchers develop innovative method to analyze ancient bones, making collagen quantifiable and mapping possible. This technique supports the selection of samples for radiocarbon analysis, preserving valuable material and reducing destruction.
A new study reveals a protein in the nervous system regulates collagen expression, potentially extending human lifespan as temperatures rise. Mutant worms with increased collagen production lived longer and looked younger than wild-type worms under warm temperatures.
Researchers found that cocklebur fruit extracts encouraged collagen production, sped wound healing, and exerted a protective effect against UVB radiation. However, high doses of the extract can be harmful and further research is needed to determine its safe use in cosmetic applications.
Researchers from Kyushu University found that the single mechanosensitive protein VGLL3 induces fibrosis, thickening and scarring tissue. The study suggests targeting this protein could lead to new treatments against fibrosis.
Researchers investigated manuka honey's potential to resist bacterial infections and promote bone growth in collagen scaffolds. Higher concentrations of honey led to decreased bone health, while soaked scaffolds showed improved results.
Scientists have discovered compounds that target the circadian clock and collagen synthesis to improve scar healing. These compounds, which include Dwn1 and Dwn2, modulate cell migration and collagen synthesis without damaging fibroblasts, leading to faster healing times and reduced scarring.
Researchers at University of Texas M. D. Anderson Cancer Center develop a novel mRNA delivery system using extracellular vesicles, which can initiate collagen production in cells and has potential for other mRNA therapies
Researchers have developed a system using microvesicles from algae that promote skin cell proliferation and migration, leading to increased collagen synthesis. The findings show promising results for the treatment of wounds and skin regeneration.