Articles tagged with Wnt Pathway
Researchers discovered cholesterol's activation of a signaling pathway linked to cancer growth and division. Elevated cholesterol levels may selectively promote cancerous pathways, providing a new mechanism for cancer risk.
Researchers discovered a novel conceptual framework that explains how neurons establish spatial polarity and direction using netrin and Wnt signaling pathways. The study found that these pathways work redundantly in guiding cell migrations along different axes.
Researchers discovered that mesenchymal stem cells can enhance hippocampal neurogenesis and neuronal differentiation by augmenting the Wnt signaling pathway, a key player in Alzheimer's disease. This finding could lead to improved treatment strategies for the disease.
Scientists at the Centre for Genomic Regulation have made a breakthrough in understanding cell reprogramming by identifying the crucial role of the Wnt signaling pathway. By inhibiting this pathway, they increased the efficiency of the process and obtained more pluripotent cells.
New study finds that beta-catenin plays a critical role in promoting recovery of hematopoietic stem cells after radiation exposure. The researchers discovered that mice deficient in beta-catenin had impaired hematopoietic stem cell regeneration and bone marrow recovery after radiation.
Researchers at University of Oregon gain insight into bone regeneration in zebra fish, finding two molecular pathways that work together to replace lost bones. Understanding these mechanisms could support the design of regenerative therapies for humans.
Scientists have identified a key gene receptor and signaling pathway essential to maintaining human embryonic stem cells (hESCs) in an undifferentiated state. By blocking the WNT signaling pathway and its encoded receptor FZD7, researchers were able to keep hESCs in their pluripotent state.
Researchers found that an unexpected flip in the Wnt signaling pathway causes hematopoietic stem cell aging. Blocking this protein, Wnt5a, rejuvenated aged HSCs in mice.
Researchers found a group of Wnt proteins essential for long-term memory, but not short-term memory. The study suggests that Wnt signaling participates actively in memory formation and shares molecular mechanisms with early development.
University of Illinois scientists have found that lifelong exposure to genistein, a bioactive component in soy foods, protects against colon cancer. The study suggests that a diet rich in soy genistein represses signals through epigenetic modifications, reducing the number of pre-cancerous lesions and abnormal cell growth.
Researchers at the University of Notre Dame have identified the importance of Wnt proteins and ARF6 in cancer cell signaling. The studies found that ARF6 can propagate Wnt signaling, leading to proliferation in epithelial tumors and melanoma spread. This understanding offers potential target molecules for cancer drug development.
Researchers have identified a key growth factor, Fgf9, that promotes hair follicle regeneration after wounding. The study found that overexpressing Fgf9 in mouse models resulted in a two- to three-fold increase in new hair follicles produced.
Researchers at Stanford University School of Medicine have devised a way to mimic the spatially oriented signaling that cells normally experience. They found that the location of a "divide now" signal on the membrane of a human embryonic stem cell governs where in that cell the plane of division occurs.
Researchers at the University of Utah discovered that Wnt signaling is essential for the production and specialization of nerve cell precursors in the hypothalamus. The study found that Wnt signaling continues to be required for adult neurogenesis, suggesting a key role in brain plasticity.
Researchers have identified a molecular cue that maintains a quiescent pool of blood-forming stem cells in mouse bone marrow by regulating non-canonical Wnt-signaling. The study found that Flamingo and Frizzled 8 play a crucial role in maintaining the balance between long-term maintenance and ongoing tissue maintenance and regeneration.
Researchers at the University of Michigan have made a surprising finding about WNT signaling and its role in fat cell growth. They discovered that Sfrp5, a molecule previously thought to have an opposing effect, actually stimulates fat cells to grow larger and burn fat slower.
Breast cancer researchers found that two related receptors, LRP5 and LRP6, must work together to maintain normal activity in mammary stem cells. A new signaling pathway may be involved, which could lead to new directions for cancer-drug manufacturers.
A special issue of the EMBO Journal marks three decades of Wnt/beta-catenin signaling research, revealing its crucial role in development and human disease. The pathway's importance is also highlighted in cancer biology.
Researchers discovered a novel signaling pathway involving SIX1 and VEGF-C that plays a crucial role in breast cancer metastasis. The study showed that this pathway can be targeted to develop new anti-cancer therapies.
Biologists identified Wnt signaling pathways that control nerve signal transmission, influencing synapse plasticity and adult brain function. The study found that these molecules also regulate addiction, schizophrenia, and mental disorders.
A genetic pathway previously known for its role in embryonic development and cancer has been identified as a target for systemic sclerosis, or scleroderma, therapy. The finding reveals that the Wnt signaling pathway is abnormally activated in scleroderma patients, leading to fibrosis and tissue damage.
Researchers at UGA created the first blueprint of how stem cells respond to external signaling molecules. The finding reconciles years of conflicting results and enables precise control over stem cell differentiation into specific cell types.
Researchers have developed a mouse model that can correct cleft lips, opening up possibilities for prevention and treatment of the condition. The study identified key genes and signaling pathways involved in facial development, including Wnt activity.
A recent study has identified a link between rare Disrupted in Schizophrenia-1 (DISC1) gene variants and psychiatric disorders, as well as altered brain structure and function. The research reveals that common DISC1 variants impair signaling pathways and disrupt brain development, potentially influencing diagnosis and treatment.
Researchers found that a key signaling pathway, Wnt, plays an important role in the disease and may offer a potential treatment target. The study suggests increasing a specific receptor, FZD2, could promote brain-cell survival and alleviate symptoms.
Researchers found that Vax proteins deploy a weapon to disarm the dorsalizer Wnt, leaving the embryo free to develop a proper brain. The study's findings define how the embryonic nervous system develops and could shed light on mechanisms underlying colon cancer.
A mouse model of focal dermal hypoplasia has been developed to study the cause of a rare human birth defect and its relation to the Wnt signaling pathway. The model reveals the essential role of PORCN in embryonic development and highlights the disorder's connection to cancer research.
Researchers at NYU Langone Health discovered that Wnt signaling, a biological process controlling many processes, is essential for coordinated actions of hair follicle stem cells and melanocyte stem cells. This study suggests manipulating Wnt signaling may be a novel strategy to target graying hair.
Researchers discovered a hyperactive Wnt signaling pathway in human sarcoma cells, which increases cell growth and proliferation by increasing CDC25A gene expression. This suggests that medications targeting the Wnt pathway may be effective in treating human sarcomas.
Planarian flatworms can regenerate their entire body from a small piece of tissue due to the critical role of an ancient gene called notum. Notum determines whether a head or tail will regrow at amputation sites, enabling the worms to restore missing body parts.
Researchers found that a gene called notum determines whether planarian regrow head or tail at amputation sites. This study suggests that animals can 'decide' what needs to be regenerated based on tissue orientation at wound sites.
Researchers at NYU School of Medicine identified three novel small molecules that block a crucial cellular communication pathway regulating cancer growth. The finding could provide the basis for innovative therapies for colorectal cancer and other diseases associated with aberrations in this pathway.
Researchers found that Frizzled-9 upregulates during osteoblast differentiation and is essential for bone mineralization. Mice lacking Fzd9 have fragile bones due to low rates of bone formation, highlighting its potential as a drug target for treating osteoporosis.
Researchers at UCLA's Jonsson Comprehensive Cancer Center have found a new mechanism that regulates protein stability in cells, triggered by the GSK3 enzyme. This discovery could lead to potential new treatments for cancer, particularly colorectal cancers and other forms of cancer.
A Vanderbilt University Medical Center researcher has identified a new lead for compounds that block the Wnt signaling pathway, implicated in over 90% of sporadic colon cancers. The approved anti-parasite drug pyrvinium was found to inhibit Wnt signaling and cell proliferation in cultured colon cancer cells.
CD82 and CD9 proteins are found to suppress tumor metastasis by releasing beta-catenin in exosomes, thereby inhibiting Wnt signaling. This mechanism may be compromised in certain cancers, where Wnt signaling is hyperactive.
Scientists have discovered an accomplice in breast cancer – a master control switch with the power to set off a cascade of reactions orchestrated by a cancer-causing gene named Wnt1. The executive molecule MTA1 is reported to trigger cancer-causing signals from Wnt1 in human breast cancer cells, leading to tumors.
Research reveals GPC3's association with MMPs and growth signaling molecules in HCC, indicating its potential role in cancer progression. Overexpression of GPC3 is correlated with altered expressions of various MMPs and growth signaling molecules, suggesting its involvement in tumor development.
Researchers at URMC discovered a defect in cellular pathways regulating bone formation at the stem cell level, leading to premature closure of skull sutures and craniosynostosis. This finding sheds light on the complex system controlling stem cell fate and has implications for understanding skeletal disorders and cancer.
A team of investigators has identified a new gene, APCDD1, which causes progressive hair loss beginning in childhood. The discovery provides insight into the process of hair follicle miniaturization, shared with male pattern baldness, and may lead to non-hormonal treatments.
Researchers have discovered that environmental cues can lead to breast cancer, while Wnt signaling plays a key role in a rare skin disease. Additionally, chronic morphine use has been found to delay wound healing due to immunosuppression and impaired immune cell recruitment.
A study from M. D. Anderson Cancer Center reveals the interaction between Wnt/Wingless and epidermal growth factor receptor (EGFR) signaling pathways promotes tumor cell invasion and metastasis through activation of beta-catenin.
Researchers discovered a link between Wnt signaling pathway activation and diabetic retinopathy. Pro-NGF may play a pathogenic role in Alzheimer disease through oxidative stress-induced modifications. Abnormal endothelial cells contribute to tumor progression and metastasis in cancer.
Scientists at the University of Wisconsin-Madison School of Medicine and Public Health have identified a critical link between two signaling pathways that contribute to the development of colorectal tumors. The study reveals how CRD-BP binds to and increases GLI1 messenger RNA, leading to cancer-promoting gene activation.
Researchers found that Wnt2 and Wnt2b molecules are crucial for specifying lung progenitor cells in the foregut region. Without these molecules, animals fail to develop lungs, highlighting their importance in treating respiratory diseases. The study's findings also suggest a connection between pulmonary and cardiac development.
Researchers found that biochemical signals inhibit oligodendrocyte development, hindering myelin repair in multiple sclerosis. The Wnt pathway's role in myelin production and repair has been identified as a key factor in the disease's progression.
A new approach to treating bone loss, which blocks Wnt signaling pathway inhibitors, may increase the risk of bone cancer. This method is associated with dysregulated Wnt signaling, linked to several cancers.
Scientists at The University of Nottingham have uncovered a vital new biological clue that could lead to more effective treatments for CNS PNETs, a type of brain tumour predominantly occurring in children. The research found that WNT pathway activation is linked to patient survival and may represent an important new target for treatment.
Researchers have discovered a signaling pathway involved in normal pancreatic development is also associated with type 2 diabetes. The Wnt signaling pathway is up-regulated in insulin-producing cells of pancreases from adults with type 2 diabetes.
A study by University of Utah researchers reveals that interaction between Wnt and Fgf growth factor signaling pathways is crucial for proper collective cell migration. Proper division of labor between the two pathways enables cells to migrate directionally, but defects in these interactions may lead to cancer progression.
Researchers at Cincinnati Children's Hospital Medical Center have discovered a new molecular mechanism that coordinates cell identity and behavior in forming organs of embryos. The mechanism involves the interaction between two proteins, Wnt11 and Sfrp5, which regulate cell growth and development.
Researchers have identified Wnt/b-catenin signaling as a key pathway regulating brain development and maintaining the integrity of the blood-brain barrier. The study suggests that tweaking this signaling pathway could potentially mend damaged blood-brain barriers in patients with stroke or other conditions.
Researchers from Penn Medicine found that increased activity of the Wnt pathway leads to expansion of lung stem cells. This discovery could hold promise for therapies to repair lung tissue after injury or disease.
The American Association for the Advancement of Science (AAAS) is expanding its online journal Science Signaling, which focuses on new insights for combating disease and understanding normal human biology. Dr. Michael B. Yaffe will serve as Chief Scientific Editor, aiming to attract and publish top-notch signaling research.
Researchers found that muscle cells play a vital role in communicating with neurons, and when this communication is disrupted, it can lead to nerve problems. The study provides new insights into the development of neuromuscular diseases such as muscular dystrophy and ALS.
A study at Cincinnati Children's Hospital Medical Center reveals that a protein recycling system failure may be linked to the development of certain diseases, such as cancer and heart disease, as well as birth defects. The Retromer Complex plays a critical role in delivering signaling proteins to tissue-building sites.
Researchers at Burnham Institute for Medical Research have discovered that stimulation of the Wnt signaling pathway is essential for coronary vasculature formation. The study provides a new avenue for developing therapies for coronary artery disease, which is a leading cause of mortality in Western countries.
Researchers have discovered that cilia, tiny organelles on cell surfaces, transmit instructions that shape body tissues. Defective ciliary function disrupts the balance of Wnt signaling, leading to developmental errors and childhood diseases.
Reactivating a key gene, sFRP-1, has been shown to stop tumor growth and reduce metastasis in clear cell renal cell carcinoma. The study found that sFRP-1 controlled 13 tumor-promoting genes along the Wnt signaling pathway, which is linked to various cancers.
Researchers found that Wnt protein impairs communication between stem cells and damaged muscles in older adults. This impairment leads to slower healing times and poorer tissue repair. The discovery opens doors to potential treatments for various tissues, including skin, gut, bone marrow, and even brain.