The bionic pancreas system successfully reduced average blood glucose levels and decreased the risk of hypoglycemia in patients with type 1 diabetes living at home. The system's automated monitoring and dose delivery significantly improved blood sugar control, reducing the risk of severe hypoglycemia and nocturnal episodes.
A team of scientists has identified genetic connections between sleep disturbance and a range of medical disorders, including restless legs syndrome, schizophrenia, and obesity. The study found novel genetic links with insomnia symptoms, as well as associations with schizophrenia risk, measures of obesity, and abnormal glucose metabolism.
A Massachusetts General Hospital team has identified a key genetic pathway underlying metformin's ability to prevent and suppress cancer growth. By targeting the nuclear pore complex and enzyme ACAD10, metformin slows cell growth and extends lifespan in both human cells and the C.elegans roundworm.
Researchers found that B2 RNA interacts with EZH2 enzyme to activate heat-shock genes and induce the cellular response to stress. The study reveals a new mechanism for EZH2 to activate genes outside of its typical PRC2 complex.
A study published in the American Journal of Medical Genetics found that medical care costs for children with Down syndrome are less than $100 a month higher than those for typically developing children. The average monthly cost difference is lower when the child is older, ranging from $537 a year for children aged 13-18.
Patients enrolled in a program to address unmet socioeconomic needs saw significant improvements in blood pressure and cholesterol levels, according to a study by Massachusetts General Hospital. The Health Leads intervention helped patients with hypertension and elevated LDL cholesterol levels, but not diabetes.
Researchers at Massachusetts General Hospital have developed a significant improvement in brain implant technology, allowing for selective activation of targeted neurons. Microcoil implants generate magnetic fields that extend in specific directions, reducing the risk of activation of passing nerve fibers.
Human cells produce RNAi molecules in response to influenza A virus infection, but a viral protein blocks this process. The study suggests that RNAi may also be active against Ebola, Marburg, and other RNA viruses.
A new study by MassGeneral Hospital for Children-led team found that nearly one in five children with celiac disease sustained persistent intestinal damage despite a gluten-free diet. The study suggests that current guidelines need to be revised to include more aggressive monitoring of mucosal healing in all patients, not just adults.
The largest database of protein-to-protein interaction networks, InWeb_InBioMap, can illuminate how numerous disease-associated genes contribute to disease development and progression. By analyzing over 586,000 interactions, researchers may identify new candidate genes and improve understanding of processes that occur in human cells.
Researchers at Massachusetts General Hospital developed new methods for mapping and measuring solid stress within tumors, which may lead to novel treatment strategies. These methods revealed that solid stress and stored elastic energy may be different in primary and metastatic tumors.
Integrating palliative care into bone marrow transplantation can improve patient quality of life, relieve symptoms, and reduce depression and anxiety. Caregivers also experience benefits, including reduced depression and improved coping skills.
Adoption of targeted therapies for chronic lymphocytic leukemia (CLL) could raise treatment costs in the US by almost 600 percent, according to a Massachusetts General Hospital-led research team. The average annual cancer treatment cost has increased from below $10,000 to over $100,000.
A non-invasive test measuring odor recognition and recall can identify older individuals at increased risk of Alzheimer's disease. The study found that participants with poor performance in the test were more likely to have a variant of the APOE gene associated with increased Alzheimer's risk.
A study led by Massachusetts General Hospital found that following a healthy lifestyle can significantly reduce genetic heart attack risk. The research team analyzed data from over 55,000 participants and found that each healthy lifestyle factor reduced risk, with favorable lifestyles cutting incidence by 50% in those at highest geneti...
Neoadjuvant endocrine therapy is as effective as neoadjuvant chemotherapy for reducing breast tumor size, but with significantly fewer toxic side effects. Aromatase inhibitors were found to be more effective than tamoxifen-like drugs in treating ER-positive breast cancer.
Researchers found patterns by which gut microbiome and its function interact with immune response, influencing cytokine production. The study identified interactions between pathogens, cytokines, and fatty acids on cytokine production.
A new study from Massachusetts General Hospital finds that cigarette smoking significantly reduces the lifespan of people living with HIV in the U.S., potentially even more than HIV itself. Quitting smoking can greatly increase lifespan and is never too late to quit.
A study analyzing brain tumor genomics on a single-cell level found evidence that cancer stem cells fuel the growth of oligodendrogliomas. Cancer stem cells were identified in human brain tumor samples and found to have distinct developmental signatures, suggesting they play a key role in tumor propagation.
Researchers at Massachusetts General Hospital discovered that stimulating dopamine neurons in mice receiving general anesthesia triggers signs of arousal, including movement and increased respiratory rate. This finding could lead to the development of new therapies to treat conditions like traumatic brain injury and coma.
A novel approach to analyzing brain structure shape reveals structural asymmetries that vary among individuals, increasing with disease severity. This technique, BrainPrint, may predict disease progression and allow early detection of dementia.
Researchers identify SIK2 enzyme as key to improved osteoporosis treatment, reducing bone breakdown and stimulating formation in animal model. A new compound YKL-05-099 mimics PTH effects, safely stimulating bone growth while suppressing bone resorption.
A MGH team found that treating metastatic colorectal cancer with antiangiogenic drugs increases extracellular matrix components and stiffness, contributing to treatment resistance. Antiangiogenic therapy also attracts suppressor immune cells, reducing the immune response against tumors.
Researchers identified three distinct brain atrophy patterns associated with cognitive decline in Alzheimer's disease and mild cognitive impairment. The study found that these patterns, including cortical, temporal, and subcortical atrophy, can predict cognitive deficits and may allow for earlier diagnosis and treatment.
Researchers identified thicker airway smooth muscle and a stronger immune response to allergens in patients with asthma compared to those without. This study used innovative imaging technology to analyze the structure and function of airway cells, shedding new light on the underlying causes of asthma.
A study from Massachusetts General Hospital identified a bacterial molecule that trains the immune system to tolerate infection without inducing illness. The molecule, 2-aminoacetophenone (2-AA), reprograms innate immune cells to accept the presence of certain pathogens by suppressing inflammatory responses.
Two recent studies by MGH psychiatrists improve treatment outcomes for Chinese American immigrants with depression. Culturally sensitive treatment combined with telepsychiatry shows significant improvement in depression symptoms, while stigma can reduce effectiveness. The studies suggest that stigmatizing attitudes may exert an indepen...
A comprehensive review of studies on alternative management strategies for low-risk acute medical conditions found that all four evaluated approaches are safe, improve patient satisfaction, and reduce healthcare costs. However, some exceptions were noted, including higher-than-anticipated return hospitalization rates for certain condit...
A study found consistent differences in antibody structure and function between latent and active TB, which could improve diagnosis and lead to more effective vaccines. The findings also suggest a potential mechanism for controlling TB infection using antibodies.
A Massachusetts General Hospital-led team is investigating whether the nasal passages' microbial population affects childhood asthma risk. The study, part of the NIH's Environmental influences on Child Health Outcomes initiative, aims to develop interventions to prevent asthma development.
A recent study published in The Lancet Public Health found a strong association between economic opportunity and measures of physical and mental health in young adults. Individuals living in areas with higher economic opportunity reported fewer days of poor health and adopted healthier behaviors.
Researchers at Massachusetts General Hospital have identified a promising new approach to treating acute myeloid leukemia by inhibiting the enzyme DHODH, which promotes blood cell differentiation. This inhibition prompts the differentiation of leukemic cells, reducing their number and ability to propagate cancer.
A new study estimated the number of people with Down syndrome in the US from 1950 to 2010, revealing a significant underestimation. The study found that the total number of individuals with Down syndrome was approximately 206,366 in 2010, with significant differences among ethnic and racial groups.
A follow-up study finds that bipolar adolescents are at higher risk for substance use disorder and smoking five years later. The presence of conduct disorder, particularly when combined with bipolar symptoms, significantly increases this risk.
A recent study analyzing 12 peer-reviewed epidemiologic studies found a substantial benefit of late-in-life cognitive activities in reducing the incidence of Alzheimer's disease and other forms of dementia. The bias analysis suggested that potential confounding factors may not account for the observed associations, lending support to a...
Researchers found a mixture of HER2-positive and HER2-negative breast cancer cells in patients' blood samples, which can lead to tumor progression and resistance to treatment. Combining therapies targeting both populations may be effective in eliminating these cells.
A phase 2 clinical trial suggests that intravenous glyburide treatment may improve patient outcomes after a major stroke by reducing brain injury and death. The study found a significant reduction in brain imaging measures of midline shift, as well as lower levels of MMP-9, a biomarker associated with brain swelling.
MGH researchers discovered the role of DDI-1 and PNG-1 in sensing proteasome stress, with potential applications in cancer treatment and Alzheimer's disease. The findings suggest boosting proteasome activity could help treat conditions characterized by abnormal protein deposits.
A novel PET radiotracer called Martinostat has been developed to image epigenetic activity in the human brain. The tracer reveals patterns of uptake consistent with histone deacetylase (HDAC) expression levels, providing insights into gene regulation and potential therapies for brain disorders.
Researchers found that pulsed electric field treatment reduced scar size by 58% and improved skin properties after burn injuries in rats. The technology works on a cellular level, targeting specific cells to promote tissue growth and repair.
Researchers found that inactivating mutations in STAG2 or STAG3 can reactivate the MAPK cell-growth pathway, leading to treatment resistance. Knockdown of these proteins reduced sensitivity to BRAF inhibition, while increasing their expression increased treatment effectiveness.
A new study by Massachusetts General Hospital finds that college students who misuse prescription stimulant medications are more likely to exhibit clinically relevant psychiatric dysfunction. The report also highlights immediate-release stimulants as a particular risk factor for misuse.
Adalimumab, an inhibitor of the inflammatory protein tumor necrosis factor (TNF), has been shown to provide significantly greater symptom relief than placebo in patients with hidradenitis suppurtiva. The results of two phase 3 clinical trials support FDA approval of adalimumab for this painful skin condition.
A study found an association between lower body mass index and greater deposits of Alzheimer's-associated protein beta-amyloid in the brains of older individuals, particularly those carrying the APOE4 gene variant. This may indicate that being underweight late in life increases the risk of developing Alzheimer's disease.
A genomic study using a novel method has identified 15 regions of the genome linked to depression in European ancestry individuals. The study analyzed data from over 300,000 individuals and found sites associated with risk genes, including those involved in brain development.
A large study found that high animal protein intake, particularly from red meats, was associated with a higher mortality rate. In contrast, high plant protein intake was linked to a lower risk of death. The study analyzed data from over 170,000 participants and found that the association disappeared in those with a healthy lifestyle.
A low-intensity type of laser treatment has been shown to increase platelet production in animals with thrombocytopenia, a potentially life-threatening shortage of blood cells. The therapy also restored platelet levels in mice with autoimmune disorders and chemotherapy-induced thrombocytopenia.
Researchers found liver is the major site for elimination and recycling of red blood cells, contradicting previous belief that spleen plays a key role. The study identified bone-marrow-derived immune cells as the main recycling cells, which accumulate in the liver and recycle iron.
Researchers created a liver on a chip that accurately replicates the metabolic variations found throughout the organ. The microfluidic device allows for fine control over liver cell metabolism, enabling the study of the effects of toxins and new drugs on the liver.
A novel compound has been identified as a potential treatment for Huntington's disease, exhibiting two separate neuroprotective activities by inhibiting SIRT2 and activating the NRF2 transcription factor. The study demonstrates promising results in cellular and animal models of HD.