Articles tagged with Tissue Growth
Researchers at Penn State have developed genetic 'switches' that can program 3D-printed bone tissue to grow blood vessels, enabling the regeneration of bone tissue in severe trauma or infections. The technique uses microRNA molecules to push cells down a differentiation pathway optimized for either tissue growth or vascularization.
A new study reveals the developmental mechanism of bone marrow formation, identifying septoclasts as early organizers followed by LepR-expressing bone marrow stromal cells. These specialized cell populations work together to build the bone marrow environment through a hardwired process supported by RANKL.
Aging bone repair declines due to mitochondrial DNA structures disrupting stem cell function, reducing energy production and causing cellular senescence pathways. Targeting these structures may restore balance between bone and cartilage formation during healing.
A University of Texas at Arlington researcher is leading a study investigating cardio-sarcopenia, the combined loss of heart and muscle health in aging adults. The grant aims to uncover how heart dysfunction and muscle loss interact and detect biomarkers for earlier intervention.
Researchers developed in vitro and in vivo models to track cartilage-to-bone transition, identifying key signaling pathways and transcription factors involved. The study found that some cartilage cells can transition into bone-like cells, challenging the traditional view of bone cell origin.
Researchers at EPFL developed a 3D printable scaffold to support fast bone growth using a room-temperature process with enzymes. The resulting bone-like porous scaffolds can become load bearing within just 7 days, showing promise for bone repair applications.
Researchers investigated the role of PLAGL1 in postnatal condyle development and found that it regulates osteogenesis through the IGF2 pathway. The study reveals a critical driver of jaw bone formation, offering opportunities for therapeutic exploration and a deeper understanding of craniofacial biology.
Researchers at Penn State developed CitraBoneQMg, a biodegradable scaffold that combines magnesium and glutamine with citric acid to promote bone growth. The implant increased bone growth by 56% in rats compared to traditional implants, demonstrating its potential for treating complex fractures.
A new study reveals Shen-Bai-Jie-Du decoction inhibits colorectal tumorigenesis by regulating the TMEM131–TNF signaling pathway-mediated differentiation of immunosuppressive dendritic cells. The findings suggest that SBJDD may help restore tumor microenvironment homeostasis and offer a novel cancer therapy.
A team of researchers from OIST studied the effect of growth on pattern development within squid skin cells, identifying a new physical phenomenon called 'hyperdisorder'. They created a general model applicable to various growing systems, highlighting the importance of growth on physical properties.
Researchers at Hebrew University uncover the mathematical secret behind rose petals' unique shape, discovering MCP incompatibility causes sharp points to form. This discovery opens possibilities for designing self-shaping materials with controlled cusps, mimicking nature's elegance.
Researchers at Osaka Metropolitan University identified the CcMCA1 gene as a key player in the development of haustoria, structures that allow Cuscuta campestris to feed on host plants. Suppressing this gene expression can reduce the number of haustoria per centimeter, offering potential for controlling invasive plant species.
Researchers at the University of Tokyo developed a biohybrid hand that can move objects and mimic real-life forms, using multiple muscle tissue actuators created from lab-grown muscle tissue. The hand demonstrated its ability to perform complex gestures, including scissor motions, and showed signs of fatigue but recovered within an hour.
A new study from the Salk Institute has discovered that a protein called BCL6 plays a crucial role in maintaining healthy muscle mass. Increasing BCL6 levels successfully reversed muscle losses in mice, suggesting that pairing GLP-1 medications with a BCL6-boosting drug could help counteract unwanted muscle loss.
Researchers at Osaka University uncovered the molecular details of how Drosophila fruit fly cells are removed during development, challenging the common assumption that clustered apoptosis poses a disadvantage to organisms. This study may help determine how abnormal cell death leads to congenital defects in humans.
A new study led by Arizona State University researcher Michael Lynch explores the substantial energy demands required to maintain and evolve multicellular life. Multicellular organisms require a tenfold increase in energy compared to protists, highlighting how respiration and metabolic processes are crucial for advanced life forms.
Scientists have successfully integrated chloroplasts from algae into hamster cells, allowing the cells to undergo photosynthesis and producing oxygen and energy. This breakthrough could lead to the development of artificial tissues that can grow in size without limitations due to low oxygen levels, paving the way for innovative biotech...
Researchers used genomic technology to study Marjolin's ulcer, a rare and highly aggressive skin cancer that grows on chronic burn wounds. The study reveals insights into how keratinocytes switch their function to become cancerous, creating a fertile environment for tumor cells to grow and spread.
Researchers developed a mucus-based bioink that facilitates diffusion of nutrients and oxygen, promoting cell growth and formation of lung tissue. The printed structures are nontoxic and biodegradable, making them suitable as implants.
Terasaki Institute scientists have created a novel bioink derived from egg whites, offering abundant proteins and excellent biocompatibility. This breakthrough technology has the potential to create more accurate tissue models for drug testing and develop functional tissue replacements for regenerative medicine applications.
Researchers at Duke University created an ultrathin silk membrane that helps cells grow into functional tissues used for research, enabling the development of kidney disease models. The new membrane improves communication and growth between cells, mimicking natural human organ structures.
A phase 3 trial found that pamrevlumab did not significantly improve lung function in patients with idiopathic pulmonary fibrosis. The study's results underscore the need for effective treatments to slow disease progression and improve patient outcomes.
Researchers at Rice University have developed a novel fabrication process to create aligned peptide nanofiber hydrogels, which can guide cell growth in a desired direction. The study revealed that cells need to be able to 'pull' on the peptide nanofibers to recognize alignment, and excessive rigidity can prevent this.
A team of UMass Amherst engineers has developed a tissue-like bioelectronic mesh system that can simultaneously measure the electrical signal and physical movement of cells in lab-grown human cardiac tissue. This breakthrough device allows researchers to observe how the heart's mechanical and electrical functions change during developm...
Researchers are developing minimally invasive techniques to repair and regenerate tissue in aortic aneurysms using actively targeted, drug-releasing nanoparticles. The team found that rod-shaped particles with high aspect ratios were selectively taken up by diseased endothelial cells, leading to improved therapy outcomes.
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 have identified regional biological signatures in invasive brain tumor margins of high-grade glioma, which could lead to improved diagnosis, prognosis, and treatment. Advanced MRI techniques may help distinguish between the genetic and molecular alterations, providing insights into resistance to treatment.
Researchers found a tradeoff between fast growth and heat tolerance in corals, with thermally sensitive algae dominating faster growth but only in cooler water. This study helps predict reef futures and inform conservation strategies, highlighting the complexity of coral growth on a reef.
A study found that ocean acidification reduced the strength and density of fleshy seaweed tissues, making them more fragile and susceptible to damage. The research suggests that this could have drastic effects on coastal ecosystems, leading to a decrease in seaweed coverage and negatively impacting organisms dependent on these habitats.
Researchers from Anglia Ruskin University have successfully grown retinal pigment epithelial cells on a nanofibre scaffold treated with fluocinolone acetonide, showing increased resilience and growth. This breakthrough technology has great potential for developing ocular tissue transplantation to treat age-related macular degeneration.
Researchers found that confined epithelial cells regulate their size and cell cycle separately, suppressing growth but not division length. The team used lab-grown tissue to observe how cells respond to confinement, revealing a new framework for understanding tissue development and growth.
Cancer cells in brain tumors produce lipids at higher rates than surrounding healthy tissue, offering clues for treatment strategies. The study provides insights into the unique biochemical processes fueling cancer growth in the brain.
A recent study found that COVID-19 infection can lead to increased infarct growth and ongoing tissue consumption even after successful reperfusion through angiography. This suggests a potentially aggressive clinical course for patients with COVID-19 and large-vessel occlusion acute ischemic stroke.
Researchers have identified distinct senescence subpopulations and dynamic changes in the transcriptome of human cells undergoing senescence. The study provides new understanding of the heterogeneous nature of senescence and its impact on aging diseases.
Vogel and Benn's study replicates tissue growth in vitro, revealing the importance of ECM interactions. Myofibroblasts play a key role in wound healing and cancer progression, but their transformation into fibroblasts is influenced by ECM composition and structure.
Scientists at RIKEN have developed a new technique for creating complex 3D organoids using a cube-like structure made of hydrogels. This innovation enables researchers to control the environment around cells, allowing for the creation of tissues with faithful reproduction of asymmetric genetic expression. The technology has the potenti...
Researchers at Tufts University have successfully produced bulk fat tissue in a lab that has a similar texture and makeup to natural animal fat. The aggregated fat cells can be fine-tuned to resemble real-life fat within meat, offering a key step towards mass production of cultured meat.
Researchers have successfully produced lab-grown fat tissue with a similar texture and make-up to naturally occurring fats from animals. The breakthrough could enable large-scale production of cultured meat with a more realistic texture and flavor.
A WPI researcher is leading a three-year project to investigate the effects of stretching and blood flow on cardiovascular cells in tissue-engineered heart valves. The project aims to expand understanding of mechanical forces that propel cells in the body, with potential applications in other fields like cancer and wound healing.
Scientists have developed a new technique using tissue-embedded nanoelectronic devices to study the functional maturation of stem-cell derived heart tissues. The research found that co-culturing stem-cell-derived cardiomyocytes with endothelial cells enables faster and more efficient maturation, with significant implications for engine...
Researchers at Hokkaido University used hydrogel materials in combination with neural stem cells to grow new brain tissue in areas of brain damage. The study showed that immune cells and blood vessels grew within the hydrogels, leading to some degree of integration between the hydrogel and host brain tissue.
A study involving three volunteers found that skin scars treated with hair follicle transplants exhibited profound architectural and genetic shifts towards healthy, uninjured skin. The findings suggest the potential for new therapies to rejuvenate mature scars and restore organ function.
Researchers have developed an innovative amputated human limb model to evaluate molecularly targeted fluorescent probes for human tissues. The model allows for controlled testing of imaging agents with zero risk to patients, improving the accuracy and safety of surgical procedures.
Researchers studied human breast tissue growth in hydrogels of differing densities, finding liquid-like environments promote different tissue organization. The study has implications for understanding organ development and cancer growth.
Researchers at the Technion-Israel Institute of Technology have developed a novel printing and growing technique for tissue, which suppresses the typical shrinkage of printed tissues prior to transplantation. The print-and-grow method uses an innovative microgel support material, preserving the size and shape of the tissue.
Researchers have discovered a key link between warmer early winters and reduced crop yields in oilseed rape plants. The study found that colder temperatures during late November/early December promote faster growth and higher yields, while warmer temperatures result in lower yields.
Threespine stickleback fish evolved resistance to freshwater tapeworms by forming scar tissue around them, which prevents the worms from growing. However, this defense has a significant fitness cost for female sticklebacks, as they are 80% less likely to successfully breed due to the accumulated scarring.
Researchers at Washington University in St. Louis are developing a new wound dressing to overcome obstacles to healing in people with diabetes, including chronic inflammation and delayed growth of new blood vessels.
Researchers have identified fascin as a key player in promoting cancer development, with the protein controlling cell movement and invasion. Forcing fascin into the nucleus of cancer cells could prevent their growth and movement.
Researchers led by Jianyi Zhang aim to find key pathways for reprogramming adult heart muscle cells to proliferate in response to a heart attack, potentially leading to improved heart attack recovery through growth of new heart muscle cells. The grant will fund three projects at UAB and two other universities.
A study by Michigan Medicine researchers has identified oncostreams, highly active cells connected to brain tumor growth and invasion. The team found that eliminating Collagen 1 production from tumor cells reduces tumor aggressive behavior. This discovery could lead to novel therapeutic targets for treating lethal brain tumors.
Researchers found that tendons, not muscles, are the key site where increased mechanosensitivity translates to better running and jumping capabilities. High expression of the calcium-ion channel mechanoreceptor coincided with wider tendons composed of larger collagen fibrils.
A collaborative initiative aims to establish common protocols for assessing and comparing diffuse optics systems used in medical diagnosis. The study presents the results of a multi-laboratory comparison of 12 institutions and 28 systems, proposing simple numeric values for easy comparison across instruments.
A fungus, Moniliophthora perniciosa, causes witches' broom disease in cocoa trees by releasing cytokinin, altering plant hormone balance. The fungus then consumes lignin produced by the tree's vascular tissue after its death.
Researchers at Terasaki Institute for Biomedical Innovation have developed a flexible, antibacterial conductive hydrogel-ePatch that accelerates wound healing with minimal side effects. The e-Patch uses silver nanowires and alginate to promote cell proliferation and migration, resulting in faster wound closure and reduced scarring.
Rutgers scientists found that inhaled nanoparticles can migrate from the lungs to the placenta and possibly fetal tissues after maternal exposure throughout pregnancy. This discovery raises concerns about the potential health effects of nanoparticle exposure on human fetuses.
A study suggests that the powerhouse-pruning protein Drp1 plays a crucial role in generating energy for new blood vessel growth, particularly under low oxygen conditions. When oxygen levels are low, Drp1 gets modified to produce reactive oxygen species (ROS), which enables glycolysis and subsequent cell signaling.
Researchers found that different regions of fat tissue contribute to disease risk differently in men and women, with visceral fat in men and subcutaneous fat in women being linked to diabetes onset. The study suggests that understanding these sex-specific differences can inform better clinical approaches to treating the disease.
Scientists at Michigan Medicine have developed a new way to grow tiny models of organs, called organoids, using a simple suspension culture. This breakthrough improves the understanding of human development and could lead to new insights into disease.
A University of Illinois study discovered that cadherin proteins can sense mechanical stress and alter cell communication, promoting tissue growth and tumorigenesis. The findings suggest a potential mechanism for preventing certain types of tissue growth by mutating cadherin molecules.