Articles tagged with Epithelial Cells
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Newly discovered behavior in cancer cells reveals a toggle switch that enables them to morph into highly mobile cells, invade other tissues, and adapt comfortably. This understanding could lead to finding ways to stop metastasis, the most deadly trait of cancer.
A new study from Cedars-Sinai Medical Center found that obesity can affect the progression and outcome of ovarian cancer, with obese women experiencing shorter survival times and earlier death. The study suggests that excess fat may be excreting a hormone or protein that causes ovarian cancer cells to grow more aggressively.
A high-fiber diet helps keep the gut healthy by increasing mucus production in gut cells. The new research reveals that roughage damages cell membranes, triggering a natural repair response that exudes lubricating mucus, easing digestion and reducing discomfort.
Scientists at Brookhaven Lab developed a screening method to examine nanoparticle interactions with human cells, revealing toxic effects of carbon-based materials. The method uses in vitro laboratory studies and sophisticated imaging methods to gather information about cell responses to nanoparticles.
The study reveals that protein aP2 is present in human epithelial cells lining the airways and its expression is increased by interleukin-4 and -13. Mice lacking aP2 exhibit reduced airway inflammation, highlighting the importance of lipids in inflammation and metabolism.
Dr. Turner's research on the Na-K-2Cl co-transporter (NKCC1) has significantly advanced our understanding of salivation and fluid secretion. His work has led to the development of valuable experimental tools, benefiting researchers worldwide.
Researchers discover interaction between PAI-2 and Rb family proteins, linked to cell differentiation, cancer prognosis, and inflammation on the surface of the eye. The study may provide new insights into molecular mechanisms of PAI-2 expression in human corneal and conjunctival epithelial cells.
Scientists at OHSU School of Medicine found that bone marrow-derived cells fuse with intestinal stem cells in both normal and diseased tissue, promoting tumor growth and cancer development. This discovery has implications for understanding the balance between rapid regeneration and cancer risk.
Researchers have identified a stomach receptor for Helicobacter pylori, a common gut bacteria that causes peptic ulcers and gastric cancer. The discovery suggests that drugs targeting this receptor could prevent or treat these diseases.
A recent study found that COX-2 and LXA4 play a crucial role in the resolution of acid-induced lung injury. The cellular inflammatory regulators were shown to induce proliferation of basal airway epithelial cells and reduce inflammation, promoting restoration of the damaged layer of cells.
The study found that small mutations can change the binding site preference of the avian virus from bird to human receptors, increasing its chances of infection. This critical step is a key reason why most avian influenza viruses are not easily transmitted between humans.
A study published in the Journal of Clinical Investigation found a connection between cataract development and cholesterol levels. Researchers discovered that rats with specific gene mutations had lower cholesterol levels in their eyes, suggesting an abnormality in epithelial cell maturation contributing to lens opacity. This link has ...
Cataract formation is linked to cholesterol biosynthesis defects. Epithelial cells in the lens mature abnormally, leading to opacity. The study identifies a connection between cholesterol synthesis and cataract development.
Researchers evaluated the effect of unilateral implantation of human RPE cells attached to gelatin microcarriers in six patients with advanced Parkinson disease. The study showed a 48% average improvement in motor symptoms at 12 months, sustained through 24 months, with no off-state dyskinesias observed.
Scientists discovered that interleukin-6 increases in TM patients' cerebrospinal fluid and is linked to tissue injury. Arsenic trioxide inhibits nuclear receptor function via SEK1/JNK-mediated RXR phosphorylation. Epithelial myosin light chain kinase-dependent barrier dysfunction mediates T cell activation-induced diarrhea.
Researchers have discovered how defensins and mannan-binding lectin can prevent viruses from entering cells. Defensins block the influenza virus entry into cells by preventing membrane fusion, while mannan-binding lectin works in a similar way. These findings may lead to new strategies for preventing viral diseases.
Researchers discovered that around 3% of the bowel's surface area is covered in a glue-like substance that plugs gaps in healthy tissue. This finding may lead to new treatments for inflammatory bowel disease and explain the development of colon cancer.
Researchers have discovered cells in discarded placentas that can develop into specialized cells like liver, pancreas, and nerve cells. The amniotic epithelial cells express genes similar to those of embryonic stem cells, but with limitations, offering a potentially new source for regenerative medicine.
Researchers show that matrix metalloproteinases (MMPs) promote carcinogenesis by breaking down tissue organization and damaging genomic DNA. Treatment with MMP-3 leads to expression of Rac1b, which stimulates the production of reactive oxygen molecules, causing cancer.
Researchers have identified a molecular mechanism controlling lung dryness and fluid entry, potentially leading to better prognosis for those with acute respiratory distress syndrome. The discovery focuses on the SIP3 receptor, which, when activated, causes pulmonary edema, offering new avenues for treatment.
Researchers discovered a new protein, KCP, that enhances signals from bone morphogenetic proteins, vital for kidney development and function. In models of mice with renal injuries, KCP activity slowed the progression of kidney disease, suggesting it could be a potential therapeutic agent.
Alan Hall's work on Rho and Rac GTPases is crucial for understanding how epithelial tumour cells become metastatic. Svante Pääbo receives the Louis-Jeantet Prize for medicine to study genes involved in human evolution, including FOXP2 related to speech development.
A new study has provided proof of principle for a combined stem cell-gene therapy approach as a potential treatment for cystic fibrosis. The researchers were able to correct the CFTR gene defect using adult stem cells and ex vivo gene therapy, which may offer advantages in screening and long-term function.
Researchers found that mice lacking integrin have impaired rod cell uptake, but can still collect debris; a protein trigger is needed to initiate digestion. Synchronizing timing scavenging may be key to maintaining proper cellular function and preventing age-related blindness.
Researchers uncover a novel mechanism regulating cell shape changes during somitogenesis, a process crucial for vertebrae and muscle formation. Cdc42 plays a central role in this transition, with activity levels influencing mesenchymal cells' ability to become epithelial cells.
Researchers discover Rho proteins cause cells to break off and form colonies distant from the original cell colony. This phenomenon may lead to the development of more specific treatments for cancerous cells.
Researchers discovered that a cell death protein, IAP, plays a surprising role in restoring cellular movement in fruit fly ovaries. By studying engineered flies with dysfunctional Rac protein, they found that IAP can compensate for the lack of functional Rac, allowing cells to migrate properly and restore fertility.
Researchers found that bone marrow cells can differentiate into epithelial cells under normal circumstances, suggesting a new mechanism of transformation. However, the exact mechanisms behind this process are still unclear and require further investigation.
A team of scientists at Vanderbilt University Medical Center discovered that tumors can develop in normal epithelial cells due to changes in signals from nearby fibroblasts. The study, published in Science, shows that eliminating a specific cell signaling pathway in fibroblasts leads to precancerous lesions and invasive cancers in mice.
A new genetic switch has been discovered in the process of T-cell maturation, which is a two-stage process. This finding could lead to ways to produce T-cells in the lab and potentially treat diseases such as AIDS.
The Notch molecule is found to be crucial for kidney development, particularly in the formation of podocytes. The study reveals that Notch signaling tells some cells to become podocytes from non-specialized epithelial cells. After a certain amount of time without Notch signaling, cells can recover and form podocytes again.
Asthma patients treated with bronchodilating beta-agonist medications may develop increased sensitivity to airway constriction, experience exacerbation of their condition. Researchers suggest that therapeutics targeting phospholipase C-beta may have substantial benefit in the treatment of asthma.
A new study reveals that bone morphogenic protein-7 (BMP-7) can reverse chronic kidney injury by reducing scar tissue and repairing damaged areas. This breakthrough could lead to a cost-effective treatment alternative for patients currently undergoing dialysis, significantly improving their quality of life.
Inhibition of RAGE suppressed neointimal formation in mice upon arterial injury and decreased SMC proliferation, migration, and expression of ECM proteins. Local mucosal immunization leads to antigen-specific IgA production at distant mucosal sites through the interaction between CCR10 and its mucosal epithelial ligand MEC.
Airway epithelial cells use a repair mechanism that is triggered when the cell barrier is breached, allowing messenger molecules to communicate with receptors and initiate rapid repair. This study suggests that certain diseases, such as asthma and cystic fibrosis, may impair this mechanism, leading to abnormal cellular changes.
A 49-year-old patient with chronic periodontitis was treated with a combination of orthodontic and regenerative therapy to address a furcation defect. The treatment proved successful after nine months, demonstrating the potential for regenerative periodontal tissues to adapt to orthodontic movement.
Researchers have identified gamma-delta T cells as a crucial component of the immune system in wound repair. These cells recognize an antigen released by keratinocytes during injury and produce growth factors that help proliferate epithelial cells, leading to wound closure.
A Phase I trial has shown that retinal cell implantation can improve motor function in advanced Parkinson's disease patients by nearly 50 percent, according to researchers at Emory University. The implanted cells provide a source of increased dopamine production, helping to alleviate symptoms such as tremors and stiffness.
Researchers have successfully established a cell line that functions like adult human mammary stem cells, opening up new avenues for studying breast cancer and tissue regeneration. The discovery was made by Dr. Ole William Petersen and colleagues from the University of Copenhagen and Lawrence Berkeley National Laboratory.
Researchers identified a novel pathway controlling branching morphogenesis, a critical process in development and tissue formation. This finding has implications for understanding diseases involving abnormal branching patterns.
Researchers used genetic tricks with fruit flies to identify the key signal allowing stationary cells in the ovary to travel. They found a protein called Unpaired that activates these cells, which may help clarify how human cancer cells invade distant tissues.
Researchers monitor epithelial cell plasticity to understand its potential applications in tissue engineering and regenerative medicine. By analyzing individual cells, scientists can gain insights into how tissues adapt and respond to changing conditions.
Researchers propose a new model of asthma that suggests epithelial cells play a crucial role in the development of the disease. They found that IL-12 p40 production is increased in airway epithelial cells during inflammation and is overactive in people with asthma.
Involuting mammary glands undergo two stages of apoptosis, with the first wave triggered by Fas binding to its ligand FasL. Mutant animals lacking Fas or FasL experience delayed epithelial cell death.
A recent study suggests that the immune system protein CD2AP may play a critical role in kidney function. Researchers found that mice lacking CD2AP developed defective glomeruli and died of renal failure, highlighting the protein's importance in maintaining kidney health. The discovery also sheds light on other diseases, such as congen...
Researchers identified a new role of fibroblasts in cancer development, showing that epithelial cells engage in a molecular dialogue with surrounding fibroblasts to progress towards cancer. This finding could lead to new diagnostic markers and therapeutic targets.