Researchers at Weill Cornell Medicine have discovered a DNA molecule that folds into a four-way junction structure, allowing it to mimic the activity of green fluorescent protein (GFP). This breakthrough could lead to the development of new DNA-based fluorescent tags for rapid-diagnostic tests and various scientific applications.
The DACA program has transformed the lives of thousands of undocumented immigrants, but its uncertain future poses significant risks for their health. The authors argue that policymakers must reassess restrictions on government-sponsored healthcare subsidies to ensure equal access to care.
Researchers at Weill Cornell Medicine have successfully converted human stomach stem cells into insulin-secreting cells, offering a promising approach to treating type 1 and severe type 2 diabetes. The transplants reversed disease signs in mouse models, suggesting good durability.
Researchers found that distant cancers alter liver function by inducing fat accumulation and inflammation in liver cells. The process involves secretion of extracellular vesicles containing fatty acids, which reprogram the liver to resemble fatty liver disease.
Researchers identified a broad list of diagnoses and higher risk of long COVID in New York City compared to Florida. Symptoms included dementia, hair loss, blood clots, and fatigue.
A new study reveals that cyclic AMP and cGMP bind to ion channels with distinct effects, shedding light on their roles in regulating cell functions. The findings could inspire new treatments for disorders involving ion channel malfunctions.
A phase 2 clinical trial testing a treatment combining standard chemotherapy with azacitidine showed nearly 90% of patients with aggressive T-cell lymphoma achieved complete remission. The treatment, which targets gene-silencing marks on DNA, has an estimated two-year progression-free survival rate of 69.2%.
Targeting a specific antiviral pathway may one day offer a new way to treat or delay cognitive decline in Alzheimer's and frontotemporal dementia. Researchers found that inhibiting a key enzyme called cGAS can help neurons become resilient to tau protein buildup, a hallmark of these diseases.
A preclinical study suggests that abnormal immune activity in astrocytes is sufficient to cause cognitive deficits in dementia. Astrocytes produce excessive immune messengers, activating neurons and leading to hyperactivity.
A treatment combining two antibodies against SARS-CoV-2 strongly protected high-risk people with early COVID-19 symptoms from hospitalization and death. The treatment was effective against the delta variant and appeared safe, with significantly lower reports of side effects compared to a placebo.
Researchers have identified hundreds of genes with significant stroke-driven changes and likely relevance in human strokes. The study found alterations in sphingolipid production, which are involved in regulating blood vessels, and pinpointed several molecular pathways that can be targeted for stroke treatment.
Researchers at Weill Cornell Medicine have identified an antibody that blocks infection by all dominant COVID-19 variants, including Omicron. The discovery could lead to new antibody-based treatments and more effective vaccines.
A new study from Weill Cornell Medicine has identified four clinically distinct groups of people with autism spectrum disorder, each with unique brain connection patterns and behavioral traits. The findings highlight the potential for personalized therapies tailored to individual subgroups, which may lead to more effective treatments.
Researchers discovered that ocular drifts, tiny jitters in the eyes, can be influenced by prior knowledge of expected visual targets, indicating a surprising level of cognitive control. This study adds to our understanding of how vision is controlled and directed by cognitive processes.
Researchers found that neutrophils activated by T cell-based immunotherapy can kill tumor cells that evade targeted therapies. This unexpected antitumor response could lead to new immunotherapies that harness this potent immune mechanism.
A new study found that women with BRCA1 or BRCA2 mutations who are obese may experience higher rates of DNA damage in their breast tissue, which could contribute to breast cancer development. The researchers suggest that weight management and medications like metformin may be important for preventive care.
A new study by Weill Cornell Medicine investigators found four distinct types of beta cells in the pancreas, with cluster 1 beta cells producing more insulin than others and appearing better able to metabolize sugar. The loss of these high-functioning beta cells may contribute to type 2 diabetes development.
A nationwide study found that financial disruption, such as a parent losing their job, was associated with increased stress, sadness, and COVID-19-related worry in children, but not sleep. School disruption had no association with mental health or sleep outcomes, surprising researchers.
A new 3D-printed scaffold made of a dissolvable polymer is shown to create nipples that maintain long-lasting projection, unlike previous reconstruction approaches. The device has the potential to improve breast reconstruction results and could be available for women undergoing mastectomy in the near future.
A new study by Weill Cornell Medicine found that the FDA's mandate to limit opioid-acetaminophen combinations resulted in significant reductions in liver injuries. The mandate, implemented in 2014, limited the dosage of acetaminophen in these drugs, leading to a decline in hospitalizations and acute liver failure cases.
The U.S. laboratory system needs improvement to ensure timely and accurate diagnosis, tracking, and response to infectious diseases like COVID-19 and Mpox. The authors suggest government and private institutions collaborate to implement systemic changes, including federal funding and public-private partnerships.
Women have a roughly 30-40% higher risk of dying following coronary artery bypass surgery, with female patients having a 2.8% rate of death during or soon after surgery compared to 1.7% for male patients.
A study published in Brain, Behavior and Immunity found that pregnant women with anxiety have higher levels of cytotoxic T cells and different immune marker activity compared to those without anxiety. This suggests a biological link between anxiety and the immune system during pregnancy and postpartum.
Researchers discovered a metabolic difference in lung tumor cells between humans and mice, explaining previous study results. The finding suggests targeting the LKB1-controlled metabolic pathway for lung adenocarcinoma treatment.
A new study found that Black and Hispanic patients are more likely to experience persistent symptoms or be diagnosed with a new medical condition after COVID-19. The study analyzed data from over 60,000 patients and found significant racial and ethnic disparities in the frequency and types of post-COVID-19 symptoms.
A nationwide study found that the CAPTURE screening tool identified roughly half of primary care patients with chronic obstructive pulmonary disorder (COPD) who could benefit from available treatments. However, the tool also flagged a large group of patients with breathing symptoms and abnormalities that didn't rise to the level of COPD.
A new experimental contraceptive drug has been developed by Weill Cornell Medicine investigators, demonstrating the possibility of an on-demand male contraceptive. The study found that a single dose of the sAC inhibitor TDI-11861 temporarily stops sperm movement and prevents pregnancies in preclinical models.
A phase 3 clinical trial of nearly 700 patients with early-stage lung cancer found that sublobar resection surgery, removing part of the affected lobe, was as effective as traditional lobectomy in terms of disease-free and overall survival. Patients who underwent sublobar resection also showed modestly better lung function.
Researchers at Weill Cornell Medicine have identified a crucial mechanism that prevents cells from replicating extra DNA, reducing the risk of cancer and genome instability. The study reveals that a licensing protein called CDT1 acts as a brake on DNA replication, preventing it from progressing once licensed sites are established.
Researchers found that a protein called XBP1s enhances tumor survival by suppressing the anti-cancer activity of neighboring immune cells. This discovery could lead to new treatments that overcome this tumor defense mechanism and improve outcomes for lung cancer patients.
A new method, SPOTS, maps gene activity patterns and protein presence in cells across tissue samples with unprecedented resolution. This enables the creation of complex maps of organs, including diseased ones, which could be widely useful in basic and clinical research.
A recent study found that the APOBEC3G enzyme can cause numerous mutations in bladder tumor cells, leading to increased malignancy and mortality. The research suggests that this enzyme could be a potential target for cancer treatment strategies.
A new AI algorithm, STORK-A, can predict IVF embryo viability with 70% accuracy, reducing the need for invasive genetic testing. The algorithm analyzes microscope images of embryos and incorporates information about maternal age and IVF clinic scoring to detect aneuploidy.
A new model created by Weill Cornell Medicine investigators found that pregnant individuals had a 50% lower exposure to SARS-CoV-2 compared to the general population in the earliest months of the pandemic. This protection was likely due to shielding measures, including masking and social distancing.
A new study has identified a potential therapy for metastatic colon cancer by targeting the molecule hyaluronan, which accumulates in tumors and shuts down immune cells that can kill tumor cells. The experimental therapy, hyaluronidase, shrinks tumors and allows immune cells to attack tumor cells.
A recent study published in the American Journal of Obstetrics & Gynecology MFM found that pregnant individuals have a similar long-term immune response to SARS-CoV-2 mRNA vaccination as non-pregnant individuals. The study also showed that vaccination during pregnancy provides protection to unborn babies, which is essential for their C...
Researchers analyzed data from over 80,000 primary care physicians and found no clear connection between MIPS scores and clinical performance. Doctors with low MIPS scores performed worse on some process measures but better on others, suggesting that the system may prioritize paperwork over patient outcomes.
Researchers discover how E. coli bacteria manipulate the immune system to cause ileocolitis in susceptible individuals. The study reveals the key role of agr2-associated ER stress in promoting dysbiosis and triggering CD103+ dendritic cell IL-23-dependent inflammation.
Researchers have found that experimental vaccines, including a protein-based vaccine candidate with an adjuvant, provide superior protection against lung disease and higher levels of neutralizing antibodies compared to mRNA vaccines. The results inform the optimization and development of COVID-19 vaccines for young infant populations.
Researchers at Weill Cornell Medicine found a new way to target mantle cell lymphoma by inhibiting the activity of FOXO1 protein, which coordinates gene expression. The discovery could lead to new treatments and improved understanding of how this type of lymphoma develops.
Researchers at Weill Cornell Medicine have identified an ultrapotent IgM antibody that neutralizes the Zika virus and prevents infection in preclinical models. The discovery could lead to the development of therapies to protect babies from birth defects caused by Zika.
A new study by Weill Cornell Medicine investigators discovered that error-prone DNA replication and repair may lead to mutations and cancer in individuals with BRCA1 gene mutations. The team identified a faulty DNA repair mechanism called microhomology-mediated break-induced replication (MMBIR) as a key contributor to genomic instabili...
A new study by Weill Cornell Medicine investigators finds that Enterococcus faecalis enhances its protective outer layer to resist natural immune defenses and antibiotics. The research suggests possible new ways to target these bacterial infections.
Researchers at Weill Cornell Medicine have discovered a mechanism by which lipids regulate pacemaker ion channel proteins in the heart. By disrupting a specific molecular connection, certain lipids can enhance pacemaker channel activity, leading to potential treatments for cardiac arrhythmias and other conditions.
Researchers propose that delayed recoveries in COVID-19 patients may be due to a protective response from their brains, similar to those seen in animals exposed to extreme conditions. This theory could lead to new approaches for ICU sedation and recovery from disorders of consciousness.
A type of dietary fiber called inulin alters gut bacteria metabolism, triggering type 2 inflammation in the gut and lungs. Inulin boosts Treg cells but also induces higher levels of eosinophils, a classic sign of type 2 inflammation.
A new study led by Weill Cornell Medicine researchers offers insight into the immune mechanisms of inflammatory disease. Group 2 innate lymphoid cells (ILC2s) have an essential role in protecting tissues from parasitic infections and allergic inflammation.
Researchers at Weill Cornell Medicine have developed a new computational method to map the architecture of human tissues in unprecedented detail. This approach enables powerful new diagnostic strategies for a wide range of diseases, including cancer and chronic conditions.
A recent study by Weill Cornell Medicine investigators found that corrupted endothelial cells can protect leukemia cells from chemotherapy drugs. The discovery has the potential to improve drug discovery programs and clinical trials for T-cell acute lymphoblastic leukemia (T-ALL) patients.
Researchers at Weill Cornell Medicine found that gut pain-sensing neurons regulate the microbial community in the intestines, boosting beneficial microbes to protect against inflammation. The study suggests that targeting these neurons could lead to new anti-inflammatory treatments for IBD and other disorders.