A team of researchers has discovered that amyloid-β protein accumulates in the eyes of people with Down syndrome, leading to distinctive cataracts. The findings may lead to an innovative eye test for early detection of Alzheimer's pathology in both disorders.
Researchers identified a specific chemical compound emitted by predators that triggers fearful behavior in mice. The study reveals the importance of the vomeronasal organ in detecting chemical cues and highlights the complexity of brain response to sensory information.
The American Chemical Society's Green Chemistry Institute is developing a universal standard to evaluate chemical products and processes based on their environmental performance. This standard will provide comparative data, making it easier for consumers to choose greener products.
Intestinal ischemia/reperfusion damages the intestine's lining, allowing bacteria to enter the bloodstream. Caveolin-1 modulates endothelial nitric oxide synthase activity to regulate innate immunity. Development of intestinal lymphoid follicles relies on dendritic cell recruitment.
A study found that having a pathologist on-site during ultrasound-guided thyroid biopsies decreased the inadequacy rate from 13.5% to 5%. This improvement could reduce repeat biopsy rates by up to 60%, making more efficient use of resources. The study recommends using on-site pathology for large numbers of thyroid biopsies.
Researchers at Mount Sinai School of Medicine found that Alzheimer's pathology begins with Amyloid-Beta oligomers in the brain, rather than previously thought amyloid plaques. The study suggests that these clumps, not plaques, are toxic to brain cells and may be a major target for new treatments.
A preclinical model of human prostate cancer mimics primary tumors' genetic behavior, offering a platform for biomarker and drug discovery. High expression levels of delta-like ligand 4 in breast cancer predict poor prognosis.
Scientists at NYU Langone Health discovered a potential new target for treating rheumatoid arthritis by boosting the normal activity of regulatory T cells, which counterbalance conventional T cells' hyperactivity. The study reveals how an investigational drug wards off inflammation by holding an enzyme at bay.
Researchers found that humans and insects have an ancient system for detecting toxic compounds through a protein receptor called TRPA1. This detection mechanism has been conserved across 500 million years of evolution, linking animals back to their common ancestor.
Researchers found that toxin Paton-Valentine leukocidin does not affect MRSA-induced pneumonia. A novel inhibitor of tumor angiogenesis was discovered in the metalloprotease ADAMTS9. Additionally, Kallikrein-related peptidase 4 (KLK4) may activate protease-activated receptors promoting colon cancer development.
The American Association for Dental Research (AADR) awarded John Greenspan the 2010 Distinguished Scientist Award for his groundbreaking research on HIV and its impact on oral health. Greenspan is a renowned expert in the field of oral pathology, having made significant contributions to the development of AIDS research.
Researchers have found distinct changes in white matter and protein markers of brain pathology after mild traumatic brain injury (mTBI), which can induce problems with sodium channels on neurons
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 published in the Journal of Neuroscience found a link between loss of smell function and amyloid protein accumulation in the brain, potentially serving as an early diagnostic tool for Alzheimer's disease. Researchers suggest that olfactory dysfunction may be used to detect the disease prior to substantial brain degeneration.
A study by Dr. Gregory A. Elder found that presenilin-1 plays a role in the vascular pathology associated with Alzheimer disease, while another study discovered that osteopontin contributes to allergic contact dermatitis. Weakened Plasmodium parasites also elicit a protective immune response.
The Goudge Inquiry's analysis of pediatric forensic pathology highlights the importance of carefully controlling the use of expert witnesses. The report emphasizes the need for medical experts to provide fair, objective, and impartial testimony, regardless of their relationship with the court or party involved.
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.
Researchers discovered how fish oils convert to Resolvin D2, a chemical that reduces inflammation and may treat conditions like arthritis, sepsis, and stroke. This breakthrough could lead to new treatments for diseases associated with inflammation.
Researchers found that the tumour suppressor gene Pten plays a critical role in suppressing the development of breast tumors. The study used transgenic mouse models and showed that deletion of Pten in fibroblasts accelerates tumor growth, highlighting the importance of the tumor microenvironment in cancer development.
Research from the American Journal of Pathology reveals that glycosaminoglycans contribute to skeletal abnormalities in patients with lysosomal storage diseases. Additionally, αvβ3-integrin expression improves ovarian cancer patient prognosis, while CpG DNA may be a therapeutic candidate for Alzheimer's disease treatment.
Researchers found that 66% of inner city pediatric voice clinic patients presented with hoarseness, while 77% had vocal nodules. This suggests a significant prevalence of vocal health issues in this population, highlighting the importance of laryngeal examination in all pediatric patients with vocal nodules.
Researchers found that SPAK silencing may promote cancer progression in B-cell lymphomas by crippling genotoxic stress signaling. In contrast, macrophage migration contributes to impaired peritoneal fluid drainage and lymphatic dysfunction in the diaphragm. Additionally, urokine plasminogen activator (uPA) is instrumental in the early ...
A researcher at Virginia Tech has identified a disease-resistant gene in corn that can be transferred to other plants, offering new hope for disease-free crops. The gene, Rxo1, defies traditional plant pathology rules and could revolutionize crop breeding.
John Leslie, K-State's plant pathology head, received the Fellowship honor from the American Phytopathological Society. He will also join Seoul National University as an adjunct professor, continuing collaborative research and educational opportunities.
The APS Foundation presented several monetary awards to recognize excellence in teaching, research, and international service. H. David Shew received the Lucy Hastings de Gutiérrez Award for Excellence in Teaching, while Andrew F. Bent won the Noel T. Keen Award for Research Excellence in Molecular Plant Pathology.
The American Phytopathological Society announced Ewen Callaway as the 2009 APS Plant Pathology Journalism Award winner. His article, 'The Green Menace,' discussed the citrus disease huanglongbing, which has devastated the citrus industry since its arrival in US soil in 2005.
The American Phytopathological Society recognized outstanding contributions to plant pathology with its 2009 awards. The APS Fellow class of 2009 includes prominent researchers and educators from around the world. Notable winners include Anne E. Dorrance, Charles Mellinger, H. David Shew, and Richard A. Sikora.
A team of South Korean scientists has successfully engineered the bacterium E. coli to produce putrescine, an industrial chemical traditionally created using fossil fuels. The production process relies on renewable materials and reduces environmental harm associated with chemical synthesis.
Researchers have identified new targets for treating breast cancer metastasis by inhibiting Brk protein expression. Additionally, a study on Wnk1 revealed its critical role in angiogenesis and heart development. Furthermore, drug abuse has been found to worsen HIV-associated neurocognitive disorders through dopamine signaling.
The American Chemical Society will receive a $2 million gift from the Ciba Foundation to support programs assisting economically disadvantaged youth in chemistry. The grant will also establish endowments for travel grants, college scholarships, and attendance at ACS meetings.
A team at the University of Pennsylvania School of Medicine has identified a new class of drug-like inhibitors for Alzheimer's disease, specifically targeting tau protein clumping. The discovery, using a large NIH library, reveals 285 compounds with potential interest and focuses on ATPZs that effectively block fibril formation.
A team of researchers at the University of Minnesota has developed a new, energy-efficient method for chemical separations using zeolite membranes. This breakthrough could significantly reduce the energy used in producing biofuels, such as ethanol and butanol, and enable higher production rates.
The study reveals that alpha-synuclein aggregates can pass to new, healthy cells, contributing to the progression of Parkinson's disease. The researchers found that cell-to-cell transmission of alpha-synuclein occurs through endocytosis and is linked to impaired quality-control systems in recipient cells.
Researchers at Keio University found that matrix metalloproteinases improve wound healing in mice, while a complement inhibitor FUT-175 delays autoimmune disease onset. Additionally, a new target for tumor angiogenesis inhibition and bone morphogenic protein-7 (BMP-7) have been identified as potential therapies for liver high blood pre...
Researchers have discovered a new gene fusion, NDRG1-ERG, that produces a protein potentially targeted by drug therapies. This finding may improve prostate cancer testing and treatment options.
Gellman is leading a research team to create solid surfaces that can select between 'left-handed' and 'right-handed' versions of complex molecules, improving efficiency in chemical processes. The goal is to control chemical reactions to yield only the desired product, reducing waste and environmental impact.
A recent study found that transplanted neurons develop disease-like pathology in Huntington's patients, raising concerns about the therapeutic potential of cell transplantation therapy. The research suggests new mechanisms involved in the development of the disease and offers a new direction for developing novel therapeutic strategies.
Dr. Herman Scholthof, a renowned plant pathology expert, has been awarded the 2009 American Phytopathological Society Fellowship for his distinguished contributions to the field. He is recognized for his notable work in plant pathology and microbiology at Texas A&M University.
Dr. Brian Shaw will receive the 2009 Alexopoulos Prize for his outstanding contributions to plant pathology research, as recognized by the Mycological Society of America. Shaw has authored 17 research papers in 12 years and is jointly appointed with Texas AgriLife Research.
Dr. Keri Smith has received a Career Development Award from the National Hemophilia Foundation to develop a therapy for people with Hemophilia A. Her approach involves altering chemical signals produced by T cells that trigger immune responses, making individuals more receptive to replacement Factor VIII.
Scientists have made significant discoveries in the fight against muscular dystrophy, identifying a potential gene therapy approach to overexpress Galgt2 protein. In another breakthrough, researchers have identified a stromal marker for breast cancer progression, highlighting the importance of examining stroma PDGF receptor expression ...
Researchers discover halofuginone, a compound from traditional Chinese medicine, inhibits Th17 cells and reduces disease pathology in mouse model of autoimmunity. Halofuginone may offer a new treatment option for autoimmune disorders with potential for oral administration.
Researchers at Natura Therapeutics and the University of South Florida are studying the green tea compound TeaMem, which may block a key process in Alzheimer's development. The NIH grant will investigate TeaMem's role in preventing AD pathology and cognitive impairment.
Two studies in the American Journal of Pathology demonstrate stromal caveolin-1 as a prognostic marker for breast cancer progression, correlating with reduced metastasis levels. Additionally, researchers have identified novel biomarkers for chronic kidney disease progression, predicting progressive renal fibrosis and glomerular filtrat...
Researchers used magnetization transfer imaging to visualize alterations in cerebral architecture of Tourette's patients and found correlations with symptom severity. They identified changes in the frontal lobe that may be responsible for the syndrome's pathology.
A study published in the Journal of Cell Biology reveals that a mutated Alzheimer's-related protein called presenilin helps form and maintain nerve cell connections. The findings suggest that failing nerve transmission might be an early step in the disease's pathology.
Parkinson's disease is characterized by selective loss of dopamine neurons in the substantia nigra, with elevated cytosolic dopamine and calcium levels contributing to cell death. Genetic and environmental 'hits' are required for PD pathology, suggesting multiple therapeutic targets should be considered
Notch1 contributes to lung fibrosis by increasing myofibroblasts, while SOCS-1 inhibits prostate cancer growth. TIP30 prevents lung cancer metastasis, and SPARC accelerates kidney disease progression. These findings highlight potential new therapeutic targets.
A novel gene fusion, SLC45A3-ELK4, is highly expressed in prostate cancers and detectable in urine. This biomarker may help distinguish clinically significant from indolent disease.
The researchers used mechanical forces to control catalytic activity, initiating chemical reactions and creating a 'molecular ripcord' that can switch between dormant and active states. This discovery enables the creation of self-repairing materials that strengthen under mechanical stress.
Researchers are racing against time to find ways to combat the wheat curl mite, a nemesis of the region's wheat crop. The mites are vectored by three viruses: wheat streak mosaic virus, wheat mosaic virus, and Triticum mosaic virus, with Texas being the hot spot for all three.
Researchers identify TMEM density as key to predicting distant organ metastasis in breast cancer. The new marker could enable custom-tailored therapies and prevent over- or under-treatment.
Researchers track autoimmune disease development with bioluminescent imaging of NF-κB activation, revealing pathology in multiple organ systems. Early detection is critical for assessing new treatments and preventing disease progression.
Researchers at the University of Tokyo identified a novel biomarker to monitor acute kidney injury, while a study found that the unfolded protein response contributes to nerve cell death in Alzheimer's Disease. Additionally, a bacterial toxin disrupts intestinal epithelial barrier function, leading to systemic infection.
Dr. Cun-Yu Wang is recognized for his groundbreaking research in cancer therapy and oral health, with a focus on molecular signaling, inflammation, and adult human stem cells. He joins an elite group of scientists honored by IADR for their contributions to advancing oral health knowledge worldwide.
Researchers found that HAART contributes to pulmonary hypertension in HIV-infected patients by impairing blood vessel-lining endothelial cell function. A novel treatment for chronic hypoxic pulmonary hypertension (PHTN) involves neprilysin, which protects against PHTN by regulating neural signaling molecules.
Researchers developed a 50-gene set to identify the four known types of breast cancer, allowing for personalized treatment. The test was found to be highly sensitive and predictive for chemotherapy response, particularly for poor-prognosis tumor types.
Two studies identified a novel biomarker for metastatic bladder cancer and discovered stem cell factor's role in airway remodeling in asthma. Additionally, researchers found that Staphlococcus aureus beta-toxin causes lung injury in pneumonia, while rosiglitazone may reduce the severity of scleroderma.
Researchers found that mice lacking Smad3 are acutely sensitive to bacterially-induced inflammation and cancer. Chronic inflammation stimulates cancer development.
Researchers found that irradiation damages fat tissue in mice, reducing its weight and size, and altering its ability to support reconstruction. Additionally, a study on multiple sclerosis found that CXCL1 decreases disease severity by promoting remyelination. A new molecule, FPR-2, has been identified as a potential anti-inflammatory ...