Articles tagged with Inhibitory Receptors
Research reveals that GLP-1RAs and SGLT2i medications significantly reduce the risk of Alzheimer's disease and related dementias in people with type 2 diabetes. No significant difference was found between these two treatments.
Researchers discovered TBX2 drives therapy resistance by shifting signaling from the androgen receptor to the glucocorticoid receptor. The study identified a strategy to target this switch, potentially predicting patient risk and offering new treatment approaches.
Researchers have discovered a potential new treatment for pulmonary fibrosis by targeting the Piezo2 receptor, which plays a critical role in stiffness-mediated profibrotic fibroblast phenotypes. Inhibiting Piezo2 expression or function may slow disease progression and offer new therapeutic options.
Sodium-glucose cotransporter-2 inhibitors and GLP-1RAs show reduced risk of moderate/severe COPD exacerbations compared to dipeptidyl peptidase 4 inhibitors. This finding may inform glucose-lowering medication prescribing for patients with type 2 diabetes and active COPD.
A systematic review and network meta-analysis of 601 trials revealed that SGLT2 inhibitors were more cardioprotective in older adults, while GLP-1 receptor agonists offered greater benefits to younger patients. These findings suggest personalized treatment approaches for type 2 diabetes based on age and sex.
A large international study of GLP1-RA users and dipeptidyl peptidase-4 inhibitors (DPP-4i) found no evidence that GLP1-RA use is associated with an increased risk of thyroid cancer. The study, published in the Thyroid journal, analyzed data from 92,497 GLP1-RA users and 2,484,408 DPP-4i users.
Scientists at Goethe University Frankfurt have discovered a new way to tailor natural killer cells to target leukemia cells, improving their efficacy. The researchers used CRISPR/Cas9 gene editing to disable an immune checkpoint, allowing the modified cells to attack cancer cells more effectively.
Researchers found that antibodies targeting a specific site on the malaria parasite's virulence protein bind to the human host's endothelial protein C receptor, neutralizing the parasite. The discovery provides new insights into prevention and treatment of severe malaria.
Researchers at the University of Pittsburgh found that blocking the uptake of lactic acid, a key factor in T cell exhaustion, can reinvigorate these cells. This new approach shows promise for improving tumor control and treatment outcomes in various cancers.
The use of GLP-1 receptor agonists (GLP-1RAs) and SGLT2 inhibitors in people with type 1 diabetes has significantly increased between 2010 and 2023. This trend is driven by their benefits in weight management and cardiorenal protection, but caution is advised due to concerns about euglycemic diabetic ketoacidosis.
Researchers from Johns Hopkins Medicine discovered how a brain cell surface molecule shapes neuron behavior, finding that it suppresses selectivity in neurons. The study's findings may help scientists better understand causes of autism, schizophrenia, and epilepsy.
Researchers discover 5-HT2A receptor selectively suppresses visual information strength without inhibiting parallel processes. This mechanism regulates the importance attached to incoming information, which could help develop new therapies for psychiatric diseases.
Researchers at UCSF used cryogenic electron microscopy to study the protein TGF-Beta, which plays a crucial role in development and cancer. They found that TGF-Beta can signal even when bound to a 'straitjacket' within the cell membrane, challenging decades-old dogma on its function.
Researchers have discovered a new regulator affecting immune cells, which could lead to treatments reducing inflammation in diseases such as arthritis and severe COVID-19. The study found that the regulator, MICL, plays a key role in regulating inflammation in these diseases.
Researchers discovered that propofol, a commonly used anesthesia drug, induces unconsciousness by causing the brain to become increasingly unstable. This instability leads to chaotic brain activity, resulting in loss of consciousness. The study's findings could help develop better tools for monitoring patients during general anesthesia.
Researchers have identified a novel target downstream of parathyroid hormone signaling that suppresses bone formation. Gprc5a negatively regulates osteoblast proliferation and differentiation by partially suppressing BMP signaling, potentially increasing teriparatide effectiveness in non-responding patients.
Researchers have made a breakthrough in understanding the GIP hormone's role in regulating insulin levels and weight loss. The study, involving over 500,000 individuals, found that inhibiting the GIP receptor may result in weight loss, while activating it without arresting its signal is crucial.
Researchers found a significant reduction in serine racemase protein levels in the medial prefrontal cortex and hippocampal subfields of aged rats compared to young rats, suggesting a role in age-associated decline of NMDA receptor function. No sex differences were observed in serine racemase expression.
Researchers at the University of Toronto have found a way to better control the preclinical generation of key neurons depleted in Parkinson's disease. They developed an efficient method for stimulating stem cell differentiation to produce neural cells in the midbrain, which closely resemble dopaminergic neurons of natural origin.
Researchers at TUM have uncovered a mechanism by which tumor cells prevent the formation of immune responses, including cytotoxic T cells. This discovery provides rationales for new cancer immunotherapies and could enhance existing treatments.
Researchers at NJIT are developing a hydrogel therapy that prevents viruses like SARS-CoV-2 from attaching to and entering cells. The peptides in the gel form a 'molecular mask' that muffles the virus's action, providing a potential first line of defense against biological threats.
Researchers developed novel therapeutic bispecific antibodies targeting IgM and B-cell surface antigens, which directly inhibited cell proliferation via cell-cycle arrest and apoptosis in vitro. These findings suggest that anti-IgM/B-cell surface antigen-binding specific antibodies are promising therapeutic agents for B-cell malignancies.
Researchers assessed the feasibility of dual PD-L1/CTLA-4 checkpoint inhibition in Stage II or III hormone receptor-positive, HER2-negative breast cancer. Eight patients received upfront durvalumab and tremelimumab prior to neoadjuvant chemotherapy, showing mixed responses and limited benefit.
Dr. Ryyna Ethell's lab at UC Riverside has been awarded a $2.4 million NIH grant to investigate the role of astrocytes in inhibitory synapse development and their connection to neurodevelopmental disorders like ADHD and autism.
A new strategy used by cancer cells to protect themselves from immune system attack has been identified, and a potential target for immunotherapy has been found. Blocking activin receptor 1C on CD4+ T cells may help prevent the accumulation of immune-suppressing Tregs in tumors and slow tumor growth.
Researchers identified NTRK gene fusion in 1.5% of Finnish papillary thyroid cancer patients, with notable co-occurring genetic alterations and favorable treatment outcomes. The study highlights the potential for biobank samples linked to electronic health records to describe patient characteristics and outcomes.
Researchers have identified promising treatment candidates for morphine tolerance and cancer, as well as a biomarker for kidney injury. A monoclonal antibody targeting the mu-opioid receptor has been shown to alleviate morphine tolerance and physical dependence, while inducing excessive mitochondrial fission in tumor cells. Additionall...
A team of researchers from Kyoto University found that the pituitary vasopressin system is crucial for building a robust circadian clock in the suprachiasmatic nucleus. This discovery has led to the development of potential treatments for jet lag, which currently target only the suprachiasmatic nucleus.
A new study published in Exp. Mol. Med. has identified Thrap3 as a key player in exacerbating non-alcoholic fatty liver disease (NAFLD) by inhibiting AMPK, a crucial regulator of fat metabolism. Inhibiting Thrap3 expression presents a promising avenue for treating NAFLD.
Scientists at OHSU elucidated the structure of Type A GABA receptors targeted by antidepressants and other pharmaceutical drugs, shedding light on their role in brain function and development. The study reveals dominant assemblies and states of the receptor, paving the way for the development of new compounds with improved efficacy.
Fruit fly research suggests visual system is involved in regulating social behaviors, which could have implications for understanding human psychiatric conditions such as autism and schizophrenia. Altering GABA signaling in the brain affects social inhibitions, leading to increased courtship behavior in males.
Researchers at Northwestern University discovered that antipsychotic drugs interact with a different neuron type than scientists originally believed, which could lead to better treatments for schizophrenia. The study's findings suggest that the effect of antipsychotics on dopamine receptors has little bearing on their efficacy in humans.
Researchers found that BUB1 protein regulates EGFR signaling by reducing receptor internalization, which may lead to new therapeutic interventions for EGFR-driven cancers. The study also showed that BUB1 impacts receptor recycling and degradation, affecting signaling amplitude and duration.
Researchers have identified a unique immune checkpoint receptor, KIR3DL3, found primarily in the intestine and lungs, suggesting its potential as a target for immunotherapies. This discovery could lead to new treatments for diseases such as lung and bowel cancer and autoimmune conditions like IBD.
Researchers establish a direct link between Covid-19 and Alzheimer's disease, attributing the connection to RAS overactivation caused by SARS-CoV-2 virus. This dysfunction leads to increased b-amyloid protein accumulation, impairing brain cell synaptic connections and cognitive functions.
A new review paper suggests ACSL4 status as a biomarker for breast cancer subtype classification and predictor of response to hormone-based therapies. The enzyme may also serve as a target for developing new treatment modalities in quadruple negative breast cancer.
Scientists at Medical College of Georgia are investigating the impact of HIV treatment on bone and muscle aging. They found that common antiretroviral cocktails can accelerate aging by about a decade, leading to increased inflammation and oxidative stress in bone marrow stem cells.
The study found that downregulation of angulin-1/LSR leads to increased claudin-2 expression and altered cell metabolism in human lung adenocarcinoma cells, promoting malignancy. Researchers identified AG1478 and EW-7197 as potential therapeutic agents.
Phytochromes play a dual role in seed germination of Aethionema arabicum, stimulating but also inhibiting germination. The study reveals that high light intensity and duration inhibit germination, while short exposure favors germination, indicating a genetic basis for adaptation to environmental requirements.
A study found that over 80% of American adults with type 2 diabetes meet the criteria to use GLP-1 RAs or SGLT2is, but only a small percentage are using them. The medications have a substantially higher cost than current first-line treatments, making it difficult for patients to access them.
A new gene therapy approach has been developed to boost the expression of the beta-3 adrenergic receptor in heart cells, improving mitochondrial function and preventing or reversing heart failure in a mouse model of aortic stenosis. This could potentially provide new therapeutic options for patients with this condition.
A research team has identified a specific cell group in the brain that regulates shifts in the sleep-wake rhythm caused by psychostimulants. The hypothalamic dopamine locus is responsible for modulating circadian rhythms and gates the effect of psychostimulants, leading to increased alertness and activity.
A cross-sectional study of over 70,000 Asian Americans found significant variation in obesity prevalence among subgroups, with Filipino Americans having the highest rate at 28.7% and Chinese Americans the lowest at 13.2%. The study highlights the need for tailored strategies to address obesity disparities among Asian American populations.
A recent study published in Ear, Nose & Throat Journal found that twice-daily nasal irrigation with saline solution significantly reduced hospitalizations and deaths among patients with COVID-19, particularly those aged 55 and older. The technique is safe, effective, and inexpensive, offering a vital public health impact.
Researchers developed a peptide that can be administered through nasal spray to reduce seizure activity and protect neurons in both Alzheimer's and epilepsy. The A1R-CT peptide inhibits neurabin, a protein that prevents the overactivation of neurons, allowing for increased action by adenosine receptors.
Researchers mapped out the brain network responsible for nicotine's negative consequences, opening the door to interventions that boost aversive effects to help people quit smoking. The discovery suggests that manipulating this network could treat nicotine dependence by inducing an acute aversive effect.
New study reveals how GABA A receptor antibodies inhibit neurotransmitter binding, leading to hyperexcitability and symptoms like twitching and seizures. The findings pave the way for developing effective therapies and further investigations into other diseases.
A recent review article highlights the crucial role of macrophages in the progression from acute kidney injury (AKI) to chronic kidney disease (CKD). The study suggests that targeting specific signaling pathways and altering macrophage activation can prevent renal fibrosis and CKD. Therapeutic strategies such as clodronate liposomes an...
A team at the University of Tokyo discovered that syntaxin protein plays a vital role in storing memory in the nervous system, influencing the migratory behavior of nematodes. The study found that altering syntaxin can lead to reversed behavior, allowing worms to choose whether to approach or avoid salt concentrations.
Researchers at UC San Diego found that ovarian cancer tumors activate FAK protein to regulate CD155 expression, creating a shield against immune detection and evading treatment. New molecular targets may boost immune response and lead to new combinatorial strategies for this disease.
A newly discovered small molecule, N-0385, has been found to inhibit entry of the virus into cells, protecting mice from infection prior to exposure and providing effective treatment up to 12 hours after. The treatment holds promise for preventing disease and reducing severity with a few single daily doses.
Researchers at the University of Bonn have shown how an inhibitor binds to the A2A receptor, a key regulator of the immune system. This discovery could lead to targeted search for molecules that give the innate immune system more punch against cancer and brain diseases.
Researchers found that tannic acid targets the RBD protein and enzymes involved in viral entry and replication, suggesting its potential as a preventative or therapeutic agent. The polyphenol's low toxicity and anti-inflammatory properties make it an attractive alternative to existing antivirals.
Researchers have found that blocking mineralocorticoid receptors, a key factor in bone health, may help protect against bone loss and osteoporosis. This new target is thought to be more effective than previously believed logical targets, such as reducing glucocorticoid receptor activity.
A recent study found that patients with hormone receptor-positive breast cancer who experience rising ESR1 mutations before disease progression can benefit from an early switch to fulvestrant plus palbociclib. This approach yields a statistically and clinically significant gain in progression-free survival, potentially justifying its a...
Scientists from Japan discover IL-36Ra plays a pivotal role in wound healing, and Cl-amidine normalizes exacerbated I/R injury. The study's findings suggest IL-36Ra as a potential therapeutic target for cutaneous I/R injuries.
Researchers found that females rely more heavily on aldosterone to regulate blood pressure, whereas males primarily use angiotensin II. This discovery could lead to targeted treatments for female hypertensive patients, improving treatment outcomes and reducing the risk of heart disease and stroke.
The ARAMIS phase III clinical trial found that darolutamide improved metastasis-free survival and overall survival in Black/African American patients. Darolutamide-treated patients had a higher three-year overall survival rate and longer time to disease progression compared to placebo-treated patients.
A large-scale study from Aarhus University in Denmark shows that users of popular blood pressure medications had the same probability of a positive coronavirus test and no increased risk of hospitalisation or death. The study confirms previous smaller studies and reiterates the current recommendation to continue taking these medicines.
A Danish study found that patients taking ACE inhibitors or angiotensin II receptor blockers had lower mortality rates from influenza and pneumonia. The study analyzed data from over 500,000 hospitalizations between 2005-2018 and showed a significant protective effect against severe illness.