Articles tagged with Tissue Structure
Researchers have developed a method to embed patterned nanofibers in 3D hydrogel structures, guiding neurite outgrowth along the nanofibers. This technique enhances neurite length and can be used to replicate complex neural structures, offering potential for restoring damaged cells in the nervous system.
Researchers developed a new imaging technique that enables fast and broad diagnostic assessments using infrared light, eliminating the need for chemical stains. This allows pathologists to obtain precise information from tissue samples without damaging them.
Researchers at the University of Michigan have successfully grown a 3D mini lung from embryonic stem cells, replicating the organization of human airways. The study demonstrates a novel method for morphogenesis in a dish, enabling the creation of lung tissue with cell types found in the lungs.
Researchers discovered 32 genes expressed differently in female compared to male ACL tissues, affecting ligament structure and integrity. Genetic counseling may guide personal decisions about participating in athletics, while strengthening core and technique could reduce injury risk.
Researchers at NYU Langone Medical Center stress the importance of blink assessment in facial transplant procedures, as well as during and after surgery. Careful evaluation can help preserve vision and prevent complications such as corneal exposure and eyelid retraction.
Researchers have developed a theoretical methodology to solve the 'counting problem,' allowing for the analysis of protein groups in living cells. The study's findings could lead to advancements in disease diagnosis and understanding of protein function.
RIT professor Thomas Gaborski is using ultra-thin nano-membranes and adipose stem cells to create functional vascular networks necessary in engineering tissue, skin, and organs. His research aims to address the critical shortage of donor organs and alleviate organ rejection by utilizing a person's own stem cells.
Researchers at RIKEN Quantitative Biology Center in Japan have developed a method to image tissues and whole organisms with high precision. They discovered that aminoalcohols included in the CUBIC reagent can elute heme from hemoglobin, making organs dramatically more transparent.
Researchers found that embryonic cloaca signaling determines genitalia structure, similar to location-based signals in real estate. This finding reveals a deep homology between mammalian and reptilian genitalia despite their non-homologous origins.
Researchers at the University of Washington have developed a way to use high-intensity sound waves to create cellular scaffolding, a unique approach that could help overcome one of regenerative medicine's significant obstacles. The technique involves using boiling histotripsy to decellularize tissues, leaving behind a fibrous network t...
Researchers at Queen Mary University of London discovered that stretching the amniotic membrane leads to the overproduction of prostaglandin E2, damaging tissue and reducing its mechanical properties. This overproduction activates a protein called connexin 43, potentially leading to rupture and pre-term birth.
Researchers developed a novel approach to study the 3D structure of plant cell walls using cryo-immobilized samples, revealing previously unseen details. This technique improves our knowledge of plant cell wall composition and can lead to more efficient production of biofuels.
Researchers at Penn and NIH found a novel mechanism of cell movement in 3D matrices, where the nucleus acts as a piston to propel cells forward. This discovery has implications for understanding diseases like cancer and biofilm formation.
Researchers developed algorithms to visualize and predict weak spots in tendons, muscles, and bones prone to tearing or breaking. The new algorithms are 1,000 times more accurate than older methods at quantifying large strains near tiny cracks and tears.
Joan Brennecke's research on ionic liquids may lower energy required to capture carbon dioxide, while Ali Khademhosseini's work creates stretchy sealants for surgical applications.
Researchers have created protocols to clear entire organs and bodies, enabling visualization of long-range cellular connections and fine-grained structures. This breakthrough paves the way for better understanding of brain-body interactions, accurate clinical diagnoses, and new therapies.
A Rutgers University study found individual property owners prefer community-based rebuilding efforts, but are skeptical they'll happen. Residents in Sandy-affected towns expressed concerns about the likelihood of coordinated planning and rebuilding.
Researchers at the University of Pennsylvania School of Medicine have discovered the atomic structure of tropomodulin, a protein that caps actin filaments and regulates muscle movement. The study provides new insights into how mutations in tropomodulin can cause muscle disorders, such as nemaline myopathy.
Researchers developed electrically conductive coat paint to identify problems early in critical infrastructure. The sensing skin can detect cracks and damage in nuclear facilities, bridges, and other structures.
Biologists at MTSU have optimized FIB-SEM technology to image plant cell architecture, revealing previously unseen aspects of organelle organization and function. The technology provides high-resolution images of plant cells, allowing researchers to explore new questions and expand their understanding of plant development.
A newly discovered fish, Kryptoglanis shajii, has a unique combination of characteristics that set it apart from other catfishes. The fish's bone structure shows modified shapes and changes in certain bones, giving it a bulldog-like snout and conical teeth.
Researchers at the Beckman Institute developed a vascular network system that heals fiber-reinforced composites autonomously through polymerization of healing chemistries. This technology overcomes long-standing challenges in composite materials, enabling repeated self-healing and increasing structural reliability.
Researchers have successfully implanted laboratory-grown vaginal organs in four teenage girls with Mayer-Rokitansky-Küster-Hauser syndrome, achieving normal function and structure over eight years post-surgery. The treatment shows promise for patients requiring vaginal reconstructive surgeries or those with vaginal cancer or injuries.
A team of researchers has demonstrated the advantages of the HOPE fixation strategy, which preserves tissue structure while allowing modern analysis techniques like proteomics and phospho-proteomics. This breakthrough enables personalized medicine and opens up new opportunities for disease research and therapy.
Researchers create mathematical modeling tool to analyze image data and understand cell clustering mechanisms. This breakthrough could aid in growing human tissues like liver in laboratory settings.
A new study finds that adipose fins have evolved repeatedly and independently in multiple species of teleost fish, representing a unique example of convergent evolution. The research provides a new model for exploring the evolution of vertebrate appendages and challenges traditional views on how new fins and limbs develop.
Researchers at Harvard University's Wyss Institute have developed a bioprinting method to create intricately patterned 3D tissue constructs with multiple cell types and tiny blood vessels. The breakthrough enables the creation of thicker, functional tissues that can be used for drug testing and potentially replaced damaged human tissue.
Researchers at Clemson University are developing a new method of studying breast cancer cells by building 3D structures that mimic the complex behavior of cancer cells in human tissue. The 3D structures allow for the testing of various treatments and can be customized to represent different stages of cancer.
Researchers from University of Southern Denmark engineer controlled assemblies of artificial vesicles, resembling natural tissues in architecture and functionality. The new systems have potential applications in personalized medicine, studying cells, and as small bioreactors.
A new MRI approach called quantitative susceptibility mapping (QSM) has been validated for measuring Multiple Sclerosis (MS) progression. QSM provides a quantitative way to measure myelin content and iron deposition in the brain, which are important factors in MS physiology. The study demonstrated that using the correct model can separ...
Researchers at CNIO demonstrate that cells from various tissues can be converted into embryonic stem cells using Shinya Yamanaka's technique, exhibiting higher plasticity than existing iPSCs.
A new technique developed by Otger Campas and Donald Ingber enables the measurement of mechanical forces cells generate while building tissues and organs. This breakthrough provides insights into the role of mechanics in morphogenesis and may lead to discoveries about birth defects, tumor growth, and tissue abnormalities.
Researchers at U of T's IBBME and McEwen Centre for Regenerative Medicine identified the optimal human heart cell composition and ratio associated with heart function. The discovery has led to the engineering of the first-ever living, three-dimensional human arrhythmic tissue.
A new study by Carole Gee integrates visualization techniques to examine ancient fossils, providing a nondestructive method for studying fossil conifer seed cones up to 150 million years old. The technique uses microCT and 3D image segmentation, allowing researchers to visualize internal structures without damaging the specimens.
Researchers found chronic PTSD patients have gray matter structural damage in the prefrontal lobe, occipital lobe, and parietal lobe. Improved PTSD symptoms are associated with reduced but not recovered gray matter structural damage.
Google Street View scans help identify damage caused by the 2009 L'Aquila quake, distinguishing it from building maintenance issues. Researchers suggest using this tool for future earthquake surveys.
Researchers at Thomas Jefferson University developed a hologram-like display of a patient's organs using molecular PET/CT images. This approach allows surgeons to plan surgery and visualize tumors in 3D, reducing complications and improving outcomes.
Scientists have re-examined the evolutionary origin of our skeleton and discovered that it originated from the armor of mud-slurping ancestors. The study found that conodonts evolved tooth-like structures within their own lineage, rather than inheriting them from a common ancestor with other vertebrates.
A small, wireless capsule has been developed to restore surgeons' sense of touch in minimally invasive surgeries. The system provides haptic feedback, allowing surgeons to feel pressure and tissue stiffness on a computer screen or with a commercially available 'haptic glove'.
Researchers found that male zebrafish's breeding structures impede tissue regeneration after injury, leading to a sex-specific deficiency. This study sheds light on the tradeoffs between reproduction and survival, suggesting that natural selection may impact regenerative potential.
IBN's novel technique allows researchers to incorporate different cell types into separate fibers, then assemble them into complex constructs with hierarchical tissue structures. This innovation enables the creation of prevascularized tissue constructs that have successfully integrated with the host circulatory system in a mouse model.
A new study by a University of Missouri scientist has developed 3D computer modeling that complements the study of biological systems for many species. The technology allows for the creation of interactive models that can be shared with other laboratories or used in the classroom, providing an alternative to accessing donor bodies.
Researchers at the University of East Anglia made a major advancement in understanding tissue development, finding that protein EB2 is a key regulator of tube-like structures inside cells. This discovery has important implications for cancers such as gut, breast and pancreatic cancer.
Researchers have developed a new dye that surpasses current contrast agents in terms of image quality and duration, opening up possibilities for live-cell filming and reduced costs. The breakthrough could lead to expanded use of imaging technology in developing countries, where access to medical equipment is limited.
Researchers at UC San Diego have developed a flexible robotic arm inspired by the seahorse's tail, which can be compressed to 50% of its size without permanent damage. The design uses bony plates that slide past each other, providing exceptional flexibility and protection.
Researchers propose a new theory of evolutionary development, suggesting that complex structures may emerge through the process of 'complexity by subtraction', where parts are lost or simplified over time. Computer models and trends in skull evolution support this idea, which challenges traditional incremental evolution.
Researchers have developed a new method called CLARITY that allows for the analysis of brain tissue in its entirety, preserving its 3D structure and integrity. This breakthrough method enables scientists to study the brain's finer workings, including cells and molecules, without losing larger-scale circuit perspective.
Researchers have made significant progress in engineering blue-green algae to produce nanocellulose, a 'wonder material' with great strength and potential applications in biofuels, biomaterials, and more. The team successfully engineered the algae to produce fully functional nanocellulose.
Researchers at Oxford University have developed a custom-built 3D printer that can create materials with properties similar to living tissues. The printed 'droplet networks' are entirely synthetic and could potentially deliver drugs or replace damaged human tissues in the future.
Researchers at Cornell University have developed a new X-ray imaging technique that visualizes damage in bone at the cellular level. The technique uses high-energy hard X-rays to produce images of microdamage in sheep bone with unprecedented resolution.
Researchers at the University of Manchester have identified a molecular basis for tissue-specific immune regulation in eye and kidney diseases. A common genetic alteration in complement factor H (CFH) is associated with AMD, while a different mutation is linked to rare kidney disease aHUS.
Researchers have successfully printed human embryonic stem cells using a novel valve-based technique, enabling the creation of three-dimensional tissues and structures. The breakthrough could speed up drug testing and pave the way for transplantable organs without donation.
A study published in American Journal of Pathology found that tamoxifen can counteract some pathologic features in a mouse model of Duchenne muscular dystrophy. Tamoxifen improved muscle force, diaphragm and cardiac structure, reducing fibrosis by up to 50%.
Researchers developed a virtual heart model to investigate atrial fibrillation, revealing electrical heterogeneity and fibre structure as key factors in the condition's initiation. The study provides new insights into the complex mechanisms underlying AF, paving the way for potential treatments.
Researchers solved the structure of α-catenin, a protein crucial for cell binding and tissue formation. The discovery reveals how α-catenin interacts with the cytoskeleton and cadherins to stabilize adhesion complexes.
Researchers at Tufts University developed a novel method for fabricating collagen structures that maintain the protein's natural strength and fiber structure. The new technique, called bioskiving, creates scaffolds with tensile strength stronger than those made using common processing techniques.
Researchers found that breast cancer cells can reorganize into normal structures when exposed to compression force, suggesting a possible new approach to treating the disease. The study used 3D-matrix and elastic chamber to apply forces and observed significant changes in cell behavior.
Scientists create medical needles that easily penetrate surfaces and resist buckling, as well as next-generation medical adhesives. The discovery is based on the unique geometry of porcupine quills, which enable them to penetrate tissue with ease while maintaining high adhesion.
Rice scientists created a computer program that predicts the most stable structures of nanometer-sized collagen, a crucial step toward synthesizing custom collagen. This breakthrough has significant implications for treating diseases and designing drugs, as collagen plays a vital role in holding cells together.
Researchers create dynamic optical projection stereolithography (DOPsL) to print microscale 3D structures in seconds, enabling better cell growth and studying, as well as regenerative medicine applications.