Articles tagged with Signaling Pathways
This special issue of JAMA Network Open highlights scientific progress in combining social determinants and health outcomes to understand mechanisms underlying health disparities. The studies demonstrate the importance of interdisciplinary integration in transforming health disparities research.
A large cohort study in Canada found an association between prenatal ambient PM2.5 exposure and increased cerebral palsy risk in offspring. Further research is needed to understand this association and potential biological pathways.
A previously unknown mechanism in the brain causes migraine attacks by carrying proteins to specific nerve cells, explaining one-sided headaches. The discovery may lead to new treatment options and help understand other headache diseases.
A new University of Cincinnati study reveals that a signaling pathway in the brain helps maintain health and prevent inflammation and cognitive deficits. Microglia cells produce their own TGF-β ligand to regulate local states of inflammation.
A study by TUM researchers discovered four subtypes of Amyotrophic Lateral Sclerosis (ALS) with different molecular processes, including sex differences. The findings suggest repurposing an approved cancer drug targeting the MAPK pathway as a promising therapeutic approach for ALS.
Researchers at Virginia Tech have discovered a possible new pathway to treat colorectal cancer by targeting the NF-kB-inducing kinase (NIK) protein. The study, led by Irving Coy Allen, identifies changes in a significant signaling pathway in human patients and presents potential targets for therapeutics.
Researchers at Texas A&M University have discovered a new technique for tissue regeneration using mineral-based nanomaterials inspired by ancient medical practices. The approach aims to induce natural bone formation, reducing the need for invasive procedures and long-term medication, and promoting improved quality of life.
A new animal model has been developed to study periodontitis, allowing researchers to analyze tissue components simultaneously. The study found that the expression of the Il1rl1 gene was higher in peri-root tissue five days after ligation, highlighting its role in inflammation and osteoclast differentiation.
Researchers discovered a link between disrupted developmental dopamine signaling and autism spectrum disorder, highlighting the importance of studying neural development pathways. The study found that dopaminergic signaling disruptions led to neural circuit abnormalities and behavioral phenotypes reminiscent of autism in zebrafish larvae.
A study from Medical University of Vienna reveals a new molecular signaling pathway crucial to liver cancer development, offering potential new therapeutic targets. The research also identifies the c-Jun/Fra-2 complex as essential in triggering tumour growth.
Researchers have discovered that clown loaches and zebrafish can control their sleep-wake rhythm without relying on orexin, contradicting the long-held assumption that vertebrates share similar mechanisms. This finding reshapes our understanding of sleep and wake regulation in vertebrates.
A study published in Nature Cardiovascular Research reveals that a dynamic synergy between cell types facilitates cardiac renewal, challenging existing paradigms. Targeting the microenvironment rather than specific cell types is key to healing injured hearts.
Gaps in vision screening pathways disproportionately affect historically marginalized groups, leading to poor outcomes and inadequate care. The study highlights the need for improved strategies to address these disparities.
Researchers identify successful treatment of granulomas in the skin with mTOR inhibitor sirolimus, which showed partial complete remission of symptoms in 7 out of 10 patients. The study suggests targeting both immune and non-immune cells in granulomas may prevent recurrence.
Researchers discovered that plants eliminate IMA1 to prevent harmful bacteria from thriving, but increasing IMA1 levels makes leaves more resistant to attack. This finding suggests a deep connection between iron availability and the plant immune system.
Cysteine is sensed by a protein called Pib2 and binds with it to activate TORC1, promoting cell proliferation. The study found that all 20 amino acids differently affect TORC1 using two pathways: Pib2 and Gtr.
Scientists have discovered a new small molecule called Feeblin that inhibits the interaction of SLC15A4 with TASL, a key player in pro-inflammatory signalling pathways. This finding offers promising new treatment options for patients with autoimmune diseases like systemic lupus.
Buck Institute researchers discover that advanced glycation end products (AGEs) in processed foods increase hunger and test willpower, contributing to overeating and obesity. By understanding the biochemical signaling pathway behind AGEs, scientists may develop strategies to limit their accumulation and promote healthy eating.
Researchers at the University of Basel have discovered a key signaling pathway that influences auditory sensory cell function and is downregulated with age. Removing this pathway from mouse hair cells leads to rapid hearing loss, highlighting its importance.
Veterinary researchers used 3D organoids to investigate lung cancer in dogs, finding that canine primary lung cancer organoids faithfully mirrored tumor tissues. The study identified correlations between organoid cell viability and specific target molecules, paving the way for personalized treatment approaches.
Scientists from IRB Barcelona have revealed how chromosomal instability activates a signalling pathway known as JAK/STAT, promoting caspase activity and DNA injury. This damage allows cells to escape from the primary tumour, thereby leading to metastasis.
Researchers found that DPP4 inhibition increased sunitinib efficacy in RCC spheroids and upregulated DPP4 in sunitinib-resistant cells. This suggests potential repurposing of DPP4 inhibitors to target therapy resistance in renal cell carcinoma.
Researchers at the University of Missouri have identified a way to improve immunological memory produced by T cells in response to influenza infection, potentially leading to more effective vaccines and treatments. The study found that manipulating a molecular signaling pathway can strengthen and prolong the immune response.
A new study reveals that mosquitoes use a specific receptor in their ears to modulate their hearing, which is crucial for reproduction and mating. This discovery could lead to the development of novel insecticides or mating disruptors to control mosquito populations and reduce human disease.
A recent study found that the cGAS/STING molecular signaling pathway plays a critical role in driving chronic inflammation and functional decline during aging. By blocking STING, researchers were able to suppress inflammatory responses and improve tissue function, leading to enhancements in spatial and associative memory.
Researchers propose disease-oriented dosing of rapamycin to delay age-related diseases and increase lifespan. By decelerating early development of these diseases, rapamycin may help individuals live longer.
A team of researchers from Goethe University Frankfurt has discovered a central switch point in the mitochondrial signaling chain under misfolding stress. The mitochondria send two chemical signals to the cell when protein misfolding stress occurs, triggering a protective response that reduces misfolded proteins and stabilizes membranes.
A Japanese research team identified two critical signaling pathways regulating stem cell differentiation in the stomach, promoting healthy homeostasis and protecting against gastric diseases. The study, published in Nature Communications, sheds light on the mechanisms behind cellular renewal and differentiation.
Scientists at RIKEN Center for Brain Science find that somatic mutations in six genes lead to intracranial aneurysms, which can be blocked with a drug. The study establishes the first non-surgical animal model of intracranial aneurysm and provides a potential new treatment option.
Researchers at UNC School of Medicine identified molecular pathways critical for heart development, revealing that the mevalonate pathway regulates embryonic heart cell cycling and signaling molecules. This study provides a foundational data set to identify biological causes of congenital heart disease.
Scientists at the University of Münster have found a signaling pathway that protects plant stem cells in the root meristem from salt stress. The GSO1 receptor-like kinase helps transport sodium out of cells, preventing damage and promoting survival.
Researchers found that GPR141 enhances cell migration and proliferation in breast cancer by activating the p-mTOR/p53 signaling pathway. Silencing GPR141 restores p53 expression and attenuates tumor growth, suggesting its role in regulating breast cancer progression and metastasis.
Researchers have identified three subtypes of ovarian high-grade serous carcinoma (HGSC) based on genomic changes, which may help tailor therapies. The study's findings could improve treatment outcomes for patients with this aggressive subtype.
Researchers developed EmbryoNet, an automated image analysis software that uses AI to detect and classify developmental defects in fish embryos. The software outperforms human experts in terms of speed and accuracy, making it a valuable tool for investigating the mechanisms of drug action and studying embryonic development.
The LY6 gene family has been found to be overexpressed in uterine corpus endometrial carcinoma (UCEC), leading to poor patient survival. Several LY6 genes have been identified as potential tumor-associated antigens and biomarkers for UCEC detection and prognosis.
Researchers discovered a chemical defense mechanism in migratory locusts that deters cannibalism, reducing the formation of destructive swarms. The pheromone PAN protects individuals from being eaten by other locusts when population density increases.
Researchers at TUM have developed a method to create mini-hearts in Petri dishes using stem cells. The resulting organoids mimic the earliest stages of human heart development and can be used to investigate congenital heart defects, potentially leading to new treatment methods.
Researchers discuss cortactin's impact on cancer progression by modulating the Wnt5a/ROR1 signaling pathway. Cortactin expression is found in various cancers, including breast and chronic lymphocytic leukemia, suggesting its potential role in promoting metastasis.
Researchers identified a crucial molecular process involving gene expression in neurons that contributes to early memory loss and Alzheimer's disease. Genetic alterations in mice showed that lack of phosphorylation on beta-2 adrenergic receptors led to poor memory, while PDE inhibitors improved memory function.
Researchers at Georgia Institute of Technology developed a synthetic tumor model to understand the impact of microenvironment on targeted therapies for Activated B Cell-like Diffuse Large B cell lymphoma. The model showed promise in demonstrating how combining therapeutics can overcome tumor resistance to inhibitors.
A study by Tokyo Medical and Dental University reveals that chronic kidney disease promotes vascular calcification by altering signaling molecules in blood vessel walls. The researchers identified four microRNAs that target a key pathway driving calcification, providing potential biomarkers and therapeutic targets for both diseases.
Researchers at the University of Nebraska-Lincoln have discovered that the orientation of a single amino acid in peptides can direct activation to specific neurons, influencing communication among brain cells. This finding has far-reaching implications for understanding and regulating signaling processes in the brain.
Researchers have identified mitochondrial signaling pathways as critical organelles that promote tumorigenesis and metastasis. In particular, the integrated stress response is found to engage with mitochondria to drive tumor growth, highlighting a new paradigm for understanding aggressive prostate cancer progression.
Researchers found that suppressing AMPKα1 but not AMPKα2 isoforms improved aging-related impairments in mice. The study revealed novel insights into the roles of AMPK signaling pathway in cognitive aging.
Researchers found epigenetic changes in post-COVID patients, including genes associated with taste and smell, as well as cell metabolism. These findings may lead to the development of new diagnostic tools for this and similar diseases.
Researchers investigated the effects of everolimus on the STAT3/HIF-1α/VEGF pathway in TP53 mutant cell lines and xenograft models. Everolimus treatment significantly inhibited cell growth and reduced tumor angiogenesis and lymphangiogenesis.
A new study found that long-term voluntary wheel running improved skeletal muscle and bone parameters in female mice, but the effects varied depending on body weight. High body weight was more beneficial for muscle and bone health with aging, especially when combined with exercise.
Researchers have discovered that inhibiting conventional signalling pathway by disrupting LCK allows more efficient tumour cell killing, using FYN protein instead. This approach enhances T-cell function and reduces graft-versus-host disease, making CAR-T therapy more accessible to patients.
Researchers discovered a single protein called Gr8a that plays an inhibitory role in mating decision-making, helping flies avoid inter-breeding with the wrong partner. The findings provide insight into how signal production and perception are tied together, shedding light on pheromone communication.
A study by US Department of Agriculture scientists has identified a specific metabolic pathway controlling energy and immune response in honey bees under cold stress. This pathway is strongly connected to large overwintering colony losses, making it a promising avenue for new therapeutic strategies to mitigate these losses.
Researchers have discovered that nutrient elements such as potassium, calcium, magnesium, and sodium can activate immune responses in tomato plants, leading to disease resistance. The study found that different defense signaling pathways are required for induction of immunity in response to different elements.
Researchers found that the molecular clock helps cells maintain normal physiology during and after prolonged starvation, enabling them to adapt more efficiently. The study suggests that a functional circadian clock is crucial for cellular recovery after glucose deprivation.
A new mechanism has been uncovered that enables cancer cells to move throughout the body, allowing them to spread and form metastases. This discovery provides a potential new target for stopping these deadly spreads, which are responsible for 90% of cancer deaths.
A new study by RCSI University of Medicine and Health Sciences found that the circadian body clock influences immune responses to vaccines. The research discovered that the shape of mitochondria in dendritic cells changes throughout the day, impacting their ability to break down vaccines.
A Dartmouth study reveals that disruptions in the mTORC1 pathway can rescue neuronal overgrowth and synapse function dysregulated by Pten loss, potentially offering new treatments for autism spectrum disorders. The research team also found that administering Rapamycin to children showed some benefit to symptoms of autism.
A team of researchers has identified TSG101 as a crucial regulator of the PARP1 enzyme, which is responsible for repairing DNA damage. In cancer cells with BRCA mutations, TSG101 is essential for PARP1 activation, making it a promising target for cancer treatment.
Researchers found that mTOR inhibition is crucial for p53-mediated tumor suppression, delaying cancer and increasing lifespan. In the absence of mTOR inhibition, cancer-promoting senescent cells drive tumor growth.
A study at Washington State University has identified sulfatase-2 as a critical protein driving damage caused by rheumatoid arthritis. The discovery sheds light on molecular processes behind inflammation in the disease and could lead to improved treatments.
A study published in PLOS Biology reveals that glutamate signaling regulates the seasonal response of bean bugs' reproduction, controlled by circadian rhythm genes. The researchers found that extracellular glutamate levels were higher under short-day conditions and disrupted when reduced or increased.
Researchers at Rice University have created a new optical tool called homo-FRET that allows them to observe the real-time activity of two-component systems in bacteria. This breakthrough enables scientists to study the behavior of deadly pathogens and antibiotic-resistant bacteria, shedding light on their mechanisms and potential targe...