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 found that tumor-secreted exosomes increase myeloid-derived suppressor cells, inhibiting immune activation and accelerating tumor metastasis. The study identified the role of MyD88 in this process, suggesting potential strategies to develop immune-stimulating tumor vaccines.
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.
Research found a significant association between high LRP16 expression and early disease progression or death in patients with colorectal cancer. The study suggests that LRP16 expression may serve as a molecular marker for predicting 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.
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.
Researchers from Catholic University of Rome discover that a non-pathogenic bacterium can trigger an autoimmune disease similar to multiple sclerosis in mice. The study suggests that environmental factors may play a role in the development of the disease, and could potentially lead to the development of a vaccine.
Researchers identified signaling molecules linked to B cell actions and solid tumor growth, suggesting a previously used lymphoma treatment may be effective against other solid tumors. The discovery opens up new therapeutic targets and combinations of chemotherapy with immune system-modifying drugs.
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.
A recent study suggests that nitric oxide synthase inhibition may be a promising approach to treating neonatal meningitis caused by Escherichia coli K1. The research found that inhibiting inducible nitric oxide synthase enhanced phagocytosis of the bacteria, reducing pathogen load and brain damage.
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
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.
A computer simulation of protein malfunction related to Alzheimer's disease was created by researchers at Universitat Autonoma de Barcelona and University of Stockholm. The model shows that ApoE4 loses its functional structure in the presence of Amyloid beta, but not ApoE2 and ApoE3 forms.
Research suggests that atypical intestinal metaplasia (AIM) may be a precancerous lesion, indicating a higher risk of gastric cancer. The study proposes a new classification system for intestinal metaplasia, distinguishing between simple and atypical subtypes.
The pandemic H1N1 influenza virus replicates efficiently in lung cells and infects conjunctiva, suggesting a potential route of transmission; however, it does not induce cytokine dysregulation like highly pathogenic avian flu viruses.
Researchers at Sanford-Burnham Medical Research Institute have identified a new function of the CD44 receptor, which helps specific T helper cells develop immunologic memory. This discovery could lead to the development of therapies to control disease pathology in various infections and autoimmune conditions.
Researchers used MR spectroscopy to analyze the biochemical makeup of prostate glands and accurately identified the location of tissue confirmed to be malignant. The approach achieved an accuracy of over 90% in detecting stage II tumors and could potentially guide treatment planning.
A new study suggests that flu can increase susceptibility to secondary bacterial super-infections, which can lead to high mortality rates. The research found a lethal synergy between the influenza virus and Haemophilus influenzae, mediated by innate immunity, and highlights the need for early antiviral and antibiotic treatment.
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.
Researchers verified that three commonly used esophageal adenocarcinoma cell lines were actually from lung carcinoma, colorectal adenocarcinoma, and gastric fundus carcinoma. This finding highlights the importance of authenticating cell lines to ensure accurate treatment strategies for esophageal cancer patients.
A new study published in the Journal of the National Cancer Institute found that having multiple family members with pancreatic cancer significantly increases an individual's risk of developing the disease. Relatives with a relative diagnosed under 50 years old are at a ninefold higher risk than the general population.
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.
Researchers developed a mathematical methodology to reduce biologic variation in laboratory results, improving the sensitivity of detecting physiologic changes. By using multiple paired sets of patient data, they found a substantial decrease in the difference necessary to achieve a given confidence interval.
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.
Researchers found TRAP-1 to be highly expressed in prostate cancer cells, inhibiting cell death, while Gamitrinib treatment killed cancer cells but not healthy ones. This suggests targeting TRAP-1 may provide a new approach for treating advanced prostate cancer.
John Leslie, K-State professor, receives International Professorship for Latin America from the American Society for Microbiology. He will present his Fusarium Laboratory Workshop and offer a scientific writing workshop in Argentina.
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 have identified a critical imbalance of regulatory cells and increased 'attack' cells in people with Crohn's disease and ulcerative colitis. This imbalance can be addressed through diet and lifestyle changes, reducing the need for colonoscopies.
Researchers at Tufts University have discovered how the parasite Trypanosoma cruzi prolongs its life in human host cells by activating anti-apoptotic molecules, enabling it to evade death. This study provides new insights into the mechanisms behind Chagas' disease.
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 found that common human bacteria, specifically Porphyromas gingivalis, produce unique lipids that can enhance inflammatory responses and exacerbate autoimmune diseases like multiple sclerosis. These lipids may serve as new markers of MS disease activity and targets for therapeutic intervention.
Researchers discuss imaging techniques that may contribute to early diagnosis and advancements in treatment for Alzheimer's disease. The study highlights the potential of biomarkers like MRI and PET to identify underlying structural and functional pathology in AD, MCI, and related diseases.
A study published in PLOS Medicine found that dementia is often associated with mixed pathological changes, including Alzheimer's and vascular dementia. The researchers estimated that drugs targeting specific pathologies may have limited impact on the overall burden of dementia.
Researchers have successfully transplanted genetically modified hematopoietic stem cells into mice, allowing their developing red blood cells to produce a critical lysosomal enzyme and preventing or reducing organ and central nervous system damage from Hurler's syndrome. This approach has the potential to improve treatment options for ...
The 'Red Alert for Women's Hearts' conference aims to address the need for gender-specific research in cardiovascular health. Key findings include low representation of women in clinical trials and a lack of data on their specific cardiovascular pathology, leading to incorrect application of male data.
A U-M study found that exposure to androgen hormone relocates pieces of chromosome near each other, setting the scene for gene fusion in prostate cancer. This finding may lead to new screening tools or prevention strategies.
Physician-researchers at USC have received a nearly $16 million grant to develop a stem cell-based treatment for age-related macular degeneration. The four-year study aims to replace damaged retinal cells with healthy ones derived from human embryonic stem cells.
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.
Researchers found that latent CMV infection exacerbated intestinal inflammation and increased immune responses to normally harmless bacteria, contributing to IBD severity. Latent CMV infection may modulate mucosal immunity and predispose individuals to developing severe acute colitis and subsequently IBD.
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.
Research highlights the importance of including vestibular rehabilitation in treatment plans for blast-induced traumatic brain injury patients experiencing balance and motion symptoms. Physical therapists call for development of screening and assessment measures to inform treatment strategies and reduce disability.
A recent study found a causal link between aberrant sustained hepatic LT?R signaling and the development of chronic hepatitis-induced liver cancer. Elevated lymphotoxin expression in the liver leads to inflammation and cancer progression.
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 ...
Research suggests that diabetes accelerates bone loss and impairs fracture healing due to increased levels of inflammatory molecules like TNF-α. This can lead to delayed bone fracture healing and an increased risk of fractures in diabetics.
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.
UQ researchers developed a rapid molecular assay to detect swine flu in under two weeks, diagnosing the first Australian case. The tests have been implemented at several hospitals and used to detect cases in the Northern Territory.
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 Center of Biomedical Research Excellence at Rhode Island Hospital has received a $11 million NIH grant to fund its cancer research program. The center will focus on generating new avenues of research, including the identification of biomarkers for diagnostic and prognostic potential in cancer.
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.
Researchers found that viral polymerase is a key target for preventing systemic flu in humans. The study discovered that avian influenza adapted to infect mice caused severe illness and death due to suppression of the immune system.
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.
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.
Researchers at Beth Israel Deaconess Medical Center discovered a genetic link between childhood brain development and adult-onset epilepsy, highlighting the fragility of the brain during early childhood. The study identifies a new pathway controlling neuron circuit maturation, which may lead to new therapies for this condition.
A protein called Huwe1 normally functions to eliminate unnecessary proteins, acting as a tumor suppressor in brain cancer. Deregulation of Huwe1 function is involved in tumor development and may be an important factor in the development of brain cancer.
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 new study reveals that social stress can lead to the deposition of more fat in the abdominal cavity, accelerating the buildup of plaque in blood vessels and increasing the risk of heart disease. The study found that stressed monkeys developed more visceral fat, which promotes coronary artery atherosclerosis.
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.