Research found that estrogen improves host response after traumatic injury and decreases liver enzymes associated with damage. The study identified the critical cell surface receptor, GPR30, involved in estrogen's protective effects on the liver.
Research at St. Jude Children's Research Hospital shows that leukemic cells receive a protective niche from bone marrow mesenchymal cells, which release the amino acid asparagine to help them survive treatment with asparaginase. This finding suggests new strategies for enhancing anti-leukemic drugs and reducing leukemia recurrence rates.
Dr. Bruce J. Baum is recognized for his significant contributions to oral medicine and pathology, including the discovery of xerostomia's importance in clinical practice. His research has led to the development of novel treatments for salivary gland damage and single-protein-deficiency disorders.
Researchers at North Carolina State University have found that Phytophthora infestans, the fungus-like pathogen responsible for the 1840s Irish potato famine, originated in the Andes region of South America. The study used gene genealogies to track the migration patterns of different strains of the pathogen, pointing to an Andean origin.
Researchers transplanted bone marrow stem cells into testes of infertile mice, showing potential for treating male infertility. The stem cells differentiated into germ cells and supporting cells, suggesting a new approach to replacing nonfunctioning cells involved in sperm production.
A recent MIT study reveals a genetic link between gene mutations and schizophrenia, focusing on the calcineurin system as a potential target for future treatments.
Researchers have developed a new genomic microarray test that accurately identifies the ER and HER-2 status of breast tumors, which can inform personalized treatment planning. The test showed 90% accuracy for both receptors, comparable to existing pathology tests.
Researchers found that early brain degeneration can be reversed if prions are depleted in neurons, leading to improved cognitive function and reversal of neurological pathology. This discovery opens new avenues for targeting neuronal prion protein as a therapeutic approach and may enable early intervention in human prion disease.
Researchers developed a novel virus culture system that enables sustained replication and production of HCV particles in nontransformed hepatocytes. This breakthrough allows for better understanding of HCV differences between strains and may improve treatment strategies.
Researchers have developed a novel transdermal vaccine approach that effectively clears brain-damaging plaques from a mouse model of Alzheimer's disease. The vaccine works by triggering the immune system to recognize abnormal protein Ab as a foreign invader, reducing cognitive deficits and senile plaque burden.
Researchers found that inactivating TNFa significantly reduced blood vessel impairment and cell death in aged vessels, suggesting a link between increased TNFa levels and cardiovascular disease. The study's findings could lead to the development of new treatments for age-related vascular diseases.
Researchers found that memory problems in older adults are associated with Alzheimer's disease pathology in the brain. The study used memory complaint scores to identify individuals with brain changes linked to Alzheimer's disease, suggesting that memory complaints may serve as an early warning system.
Researchers have discovered HIV replication in resident immune cells of the testis, providing an explanation for the persistence of virus in semen. The study suggests that the testis may be a pharmacological sanctuary for the virus.
Researchers at Queen's University have uncovered molecular mechanisms of a cancer-causing protein linked to thyroid cancer, paving the way for new treatments and potential prevention methods. The study provides valuable tools for targeting specific actions of the protein, which may aid in the development of anticancer therapies.
Researchers at Johns Hopkins Kimmel Cancer Center found overproduction of myosin VI in prostate tumor cells and precancerous lesions. Silencing myosin VI in lab studies reduced cell invasion, suggesting its critical role in starting and maintaining malignant properties of most human prostate cancers.
Targeted overexpression of HSP25 protects salivary gland function by maintaining gland weight, salivary flow rate, and salivary fluid composition. HSP25 also preserves expression of aquaporin 5, crucial for water transport in salivary glands. These findings suggest a novel radioprotective strategy against radiation-induced salivary gla...
Researchers identified a key mechanism behind Rett Syndrome by pinpointing the S421 site on the MeCP2 protein responsible for its normal function. This specificity explains why mutations affecting that site target brain development, leading to delays in motor skills and speech loss.
Researchers at the University of Virginia are exploring how nutrients in broccoli prevent cancer by bonding with a specific enzyme. This enzyme is linked to inflammatory diseases and cancer, and understanding its role could lead to anti-cancer compounds.
A reduced-calorie orange juice beverage fortified with plant sterols lowered 'bad' cholesterol and inflammation in healthy volunteers. The study found a significant decrease in C-reactive protein levels, suggesting a potential benefit for heart disease prevention.
Researchers at the University of Virginia are developing an office-based cancer screening test using biomarkers in urine to detect early signs of cancer. The goal is to improve detection and treatment outcomes, as current tests often rely on invasive procedures or delayed diagnoses.
A recent study found that the tumor suppressor gene H-REV107-1 stimulates growth in non-small cell lung carcinomas via mitogenic signaling. In contrast to expected function, cytoplasmic localization of H-REV107-1 correlates with decreased patient survival.
Researchers have made significant advances in optics tests for early Alzheimer's detection, which may enable universal screening technologies. The tests can identify small molecular signs of the disease in the eye before brain pathology is present, raising hopes for early diagnosis and slowing disease progression.
Researchers at SUNY Downstate Medical Center have found that PNC-28, a human protein, can destroy pancreatic tumor cells in animals without harming healthy cells. The study's results are encouraging and suggest PNC-28 may be an effective agent in treating cancers, particularly when delivered directly to the tumor.
A new study published in PLOS Pathogens suggests that doxycycline can reduce the pathology of lymphatic filariasis by targeting Wolbachia bancrofti. The treatment shows promise as an ameliorating option for individuals with adult worms, potentially providing relief from debilitating swelling and genital areas.
The book commemorates Alois Alzheimer's discovery of Alzheimer's Disease (AD) and explores its evolution as a major public health problem, affecting 30-40 million people worldwide. The publication brings together key voices in the field to reflect on classic studies and chart the future direction of AD research.
Researchers have identified an enzyme called puromycin-sensitive aminopeptidase (PSA) that snips apart abnormal protein tangles in the brain, potentially providing a protective mechanism against neurodegeneration. Higher levels of PSA gene expression were found in cerebellum regions resistant to neurodegeneration.
Researchers found that carbon monoxide can prevent placental cell death caused by oxidative stress injury in a study published in The American Journal of Pathology. This finding suggests that carbon monoxide may be a possible treatment modality for pre-eclampsia, which affects 5-7% of pregnancies.
Researchers found that TRAIL can enhance hepatocyte cell death initiated by signaling through Fas, potentially leading to liver damage. The study has important clinical implications as liver cells expressing Fas are present during inflammation.
Researchers at Columbia University Medical Center have successfully restored normal memory and synaptic function in mice suffering from Alzheimer's disease. By increasing the levels of ubiquitin C-terminal hydrolase L1 (Uch-L1), they were able to improve the animals' ability to create new memories.
Pam Henderson received the APS Plant Pathology Journalism Award for her nine-article series on Asian Soybean Rust, which raised public awareness of the disease. The award recognizes outstanding achievement in increasing knowledge and understanding of plant pathology.
Researchers at Beth Israel Deaconess Medical Center identified a signaling pathway transforming healthy blood vessels into cancerous tumor vasculature. Rapamycin successfully blocked this pathway and reduced tumor growth and vascular leak in animal models.
Scientists have identified a regulator of genes that controls artery smooth muscle cell growth, which may hold the key to preventing vessels from re-closing after angioplasty. By studying genetically susceptible pigeons, researchers found a potential target for treating restenosis.
Researchers from Hospital Clínic de Barcelona found that a 8-year Ivermectin treatment reduced onchocerciasis prevalence by 38.4%, while incidence of disease decreased by 2.6 times in children aged 0-4. The study, financed by the Spanish Agency and WHO, marks a significant step forward in combating river blindness.
Researchers found that environmental enrichment reduced amyloid angiopathy and Aβ plaque burden in TgCRND8 mice, suggesting a protective effect against Alzheimer's-like brain pathology. Enhanced mental and physical activity may slow disease progression via pathways that prevent Aβ accumulation and enhance its clearance.
Researchers found that inhibiting the enzyme activity of HO-1, a protein thought to be protective, actually reduces kidney injury in sickle cell disease. A new compound, tin protoporphyrin, blocks HO-1 activity and protects SCD kidneys from damage.
Scientists at the University of Pennsylvania School of Medicine have isolated a novel population of multipotent adult stem cells from human hair follicles. These cells can differentiate into nerve cells, smooth muscle cells, and melanocytes, offering potential treatments for various disorders.
Researchers at Columbia University Irving Medical Center have discovered that a cancer-causing protein can promote growth of axons in damaged spinal cord and brain cells. This discovery could lead to new therapies for treating neurological diseases.
Dr. Polverini, a renowned expert in oral pathology, has received the prestigious IADR Oral Medicine and Pathology Research Award for his groundbreaking work on angiogenesis and oral cancer. The award is supported by Sunstar Butler and recognizes his contributions to the field.
A study of 134 older adults found that nearly a third had Alzheimer's disease, yet most did not show obvious dementia symptoms. The research suggests that some people may have a neural reserve that allows them to tolerate significant brain damage without developing cognitive decline.
Researchers at UCLA have developed a new method to detect Alzheimer's disease progression using FDDNP PET. The study shows that the worsening of memory and cognitive functions is correlated with increased 18F-FDDNP brain binding, providing valuable information for diagnosis and monitoring therapeutic interventions.
The three most important and damaging cacao diseases, black pod, frosty pod, and witches' broom, are threatening global chocolate production. According to plant pathology professor Randy Ploetz, black pod could reduce yields by an additional one million metric tons per year in West Africa.
Researchers at Harvard Medical School have defined a molecular signaling pathway linking oxidative stress to cell death in brain neurons. The discovery of the MST-FOXO biochemical switch mechanism may provide potential new targets for the diagnosis and treatment of age-related diseases such as Alzheimer's.
Researchers successfully transplanted white blood cells from cancer-resistant mice into normal mice, eradicating existing and preventing lethal doses of new aggressive cancers. This breakthrough study demonstrates the potential for cancer-resistant-cell therapy to treat highly aggressive types of cancer.
Reddy's study found a selective loss of both presynaptic and postsynaptic proteins in AD patients' brains, highlighting the need for further investigation into synaptic damage. The award recognizes his work on understanding molecular and cellular bases of neurodegenerative diseases.
A new study reveals that combined contrast enhanced MRI (CCE-MRI) closely matches the staging of non-alcoholic fatty liver disease (NAFLD) using conventional pathology. CCE-MRI offers a safer alternative to invasive liver biopsy, directly visualizing fibrosis and detecting liver cancers simultaneously.
Researchers found that larger social networks are associated with reduced cognitive impairment in people with Alzheimer's disease pathology. The study suggests that healthy interactions with friends and family can have a positive impact on disease prevention.
The landmark book celebrates the centennial of Alzheimer's discovery, narrating its evolution from a major cause of late-life dementia. The publication brings to life classic studies defining the disease research, featuring contributions from prominent researchers.
A study by Lee S. Berk found that watching a favorite funny movie increases beta-endorphins by 27% and human growth hormone by 87%. This 'anticipatory mirthful laughter experience' has long-lasting effects on stress reduction and immune response.
Researchers found that injections of spleen cells and transplants of islets from healthy mice temporarily cured diabetes in 4 out of 22 mice, but failed to restore insulin-producing beta cells. The procedure's success was confirmed by three independent labs, challenging the previous hypothesis on how it works.
A new open-source software tool successfully removed over 98% of unique identifiers from pathology reports, including name, address, and social security numbers. The developers found that hospital-specific customization may be necessary to achieve optimal performance.
The L'ORÉAL-UNESCO awards recognize pioneering work in immunology, molecular pathology, and genetic disorders. The laureates will receive a $100K prize and international recognition for their contributions to human health.
A protein called MEF2 has been found to regulate the growth and development of synapses in neurons. The study reveals that MEF2 can promote or inhibit synapse formation depending on neuronal activity, with implications for understanding neurodegenerative diseases such as autism.
Researchers have identified a gene called caspase 8 that plays a crucial role in preventing tumor cells from metastasizing, or spreading to distant sites. By activating this mechanism, the researchers aim to develop targeted therapies to halt the spread of neuroblastoma and possibly other cancers.
Researchers at Yale University School of Medicine used Automated Quantitative Analysis (AQUA TM ) technology to standardize biomarker detection methods. The study found that antibody concentration can dramatically alter the relationship between biomarker levels and clinical outcome, particularly for breast cancer biomarkers.
Scientists have developed a new method to catalogue and examine the differences between individual cases of prion diseases. Applying this assay to 50 postmortem samples from patients with sCJD reveals substantial differences in molecular pathology, which could help understand this mysterious disease.
Researchers will use a tumor biopsy or blood examination to identify a 'gene signature' that indicates aggressive prostate cancer, allowing patients to make informed treatment decisions. The study aims to improve outcomes for up to 30% of men with prostate cancer who do not require radical treatments.
This article explores how diseases, drugs, and chemicals affected famous artists such as Michelangelo, Edvard Munch, Ivar Arosenius, and Vincent van Gogh. Clinical laboratory analysis is providing new insights into their creative achievements.
Associate Professor Peter Dodd's team is using microarray analysis to study brain tissue from dead alcoholics, aiming to identify genes responsible for the damage. The research could lead to a better understanding of neurological diseases and potentially develop a drug to reduce alcohol dependence.
Researchers found menin promotes acute leukemia by working with mutated MLL proteins, leading to the formation of cancer cells. Removing menin stops cell proliferation and allows cells to mature into healthy blood cells.
Performing a sentinel lymph node biopsy as an outpatient procedure prior to mastectomy can help guide the optimal surgical procedure for patients. This approach allows for more informed decisions regarding radiation therapy and reconstruction, potentially improving cosmetic results.