Articles tagged with Signaling Pathways
Researchers at the Max Planck Institute have discovered how external signals regulate vascular remodelling through G protein-mediated signalling pathways. These pathways work together in other contexts but act as antagonists in blood vessel remodelling, balancing cell growth and regression.
Researchers at University of California, Berkeley report that epithelial cells in cornea express small antimicrobial peptides to defend against bacterial infections. High levels of prolactin block expression of kisspeptin, a protein hormone that induces secretion of GnRH, leading to infertility in women.
Researchers found that concussions and even lesser head impacts can speed up the brain's natural aging process, causing changes in gait, balance, attention, and impulse control. The study suggests a cumulative effect of repeated head impacts on the risk of cognitive decline and Alzheimer's disease.
The March of Dimes Foundation has awarded UTMB assistant professor Muge Kuyumcu-Martinez a two-year $150,000 grant to support her research on congenital heart defects. The award will enable her to study the protein kinase C pathway and its interactions with genes using cell-culture and transgenic mouse experiments.
Inflammatory breast cancer cells use the anti-inflammatory response of white blood cells to increase fibronectin expression, a molecule involved in wound healing and cell migration. Monocyte-conditioned media stimulate this process through the IL-8 signaling pathway, allowing cancer cells to branch and invade, leading to metastasis.
Researchers at UT Southwestern Medical Center have identified compounds that inhibit a signaling pathway in Huntington's disease, a fatal genetic disorder. The quinazoline-derived compounds block the store-operated calcium entry signaling pathway, potentially slowing the progression of degenerative nerve disorders.
Researchers at Baylor College of Medicine identified the α3β4 nicotinic receptor as a key player in the appetite suppression pathway. When nicotine binds to this receptor, pro-opiomelanocortin neurons are activated, leading to reduced food intake.
Researchers are using computational approaches to analyze and unify data on plant responses to environmental stresses, aiming to improve crop stress adaptation abilities. The Beacon database will facilitate the curation and archiving of signaling pathways for abiotic stress responses.
Researchers at UT Southwestern Medical Center discovered a brain signaling pathway that induces leptin resistance, leading to decreased satiety and increased visceral fat. Activating this pathway, known as cAMP-EPAC, can induce leptin resistance in hypothalamic neurons, a critical site of leptin action.
Researchers found that three signaling pathways work together to regulate plant pollen production, with two being sufficient for optimal fertility. The study sheds light on the complex interactions between genes and environmental conditions that influence flower formation and reproductive success.
A study has identified two key signaling pathways - Ras/MAPK and Rac/Stat3 - that are activated in the hearts of mice with a Noonan syndrome-associated Sos1 mutation. These pathways may be crucial for understanding the development of heart defects in individuals with the disorder.
The study found that mindin expression is upregulated during intestinal inflammation and induces NF-κB activation through a TLR-9 mediated manner. This suggests the importance of the TLR-9 mediated pathway in defining mindin's function and signaling pathways.
A study published in Aging Cell found that the conserved protein d4eBP protects heart function against aging, revealing a potential mechanism for cardiac aging. The research also sheds light on the TOR and FoxO signaling pathways, with implications for human heart health.
The NPs-NPR-B/pGC-cGMP signal pathway is up-regulated in diabetic rats, leading to potentiated relaxation and increased cGMP production in gastric smooth muscle. This suggests a potential role of the CNP-(NPR-B)-pGC-cGMP pathway in the pathogenesis of diabetic gastroparesis.
Researchers at Thomas Jefferson University identified a novel signaling pathway mediating aldosterone production, which promotes heart failure. Blocking beta-arrestin-1 could lead to lower aldosterone levels and alleviate negative remodeling processes in the injured heart.
Researchers discovered clofazimine's potential to treat autoimmune diseases by inhibiting the Kv1.3 potassium channel. The findings suggest a new approach to treating conditions like multiple sclerosis, psoriasis, and type 1 diabetes.
Herbal compound 861 delays and reverses hepatic fibrosis due to HBV infection through the inactivation of LX-2 cells. The TGF beta1/ALK1/Smad1 signaling pathway is activated by TGF-beta1 and inhibited by Cpd861, making it a potential target for anti-fibrotic therapy
Researchers at German Cancer Research Center discovered a new molecule Akirin that plays a crucial role in triggering the innate immune response in fruit flies, mice, and humans. Inhibiting this pathway may lead to new cancer treatments.
Researchers at University of Alabama at Birmingham discovered a key cell-signaling pathway regulating cell growth and patterning in tadpoles. The study found that modification of histone protein H2A influences normal cell pathways and cell growth.
A team of researchers investigated the molecular basis of memory in living mice, identifying a critical molecule involved in learning. The study revealed that long-term potentiation (LTP) and learning share a common molecular basis, with the TrkB receptor playing a central role.
Researchers discovered that signals from rat whiskers travel through distinct regions in the thalamus along separate pathways for movement, touch, and complex signals. These pathways function within parallel feedback loops, enabling the brain to implement new behaviors by building on lower-level sensory inputs.
A UCSD study reveals that anthrax toxins, known as lethal factor and edema factor, can cause cellular damage and death in fruit fly Drosophila melanogaster. The findings suggest that fruit flies can be used to test the effects of anthrax toxins on signaling pathways shared by flies and humans.
Myxococcus xanthus uses all three known phosphate signalling pathways and a partial fourth pathway in combination to detect and utilize phosphates. The bacterium's complex system enables it to find phosphates in different states or conditions, exploiting them for energy.
A trio of plant genes have been found to play a crucial role in regulating the density of microscopic pores called stomata, which are essential for photosynthesis. By understanding how these genes function, scientists can gain insights into how plants evolved to survive on land and how they adapt to changing environmental conditions.
Researchers at OHSU discovered a novel compound called STX that activates a rapid signaling pathway in nerve cells, providing an alternative to estrogen replacement therapy. The new compound shows promise in alleviating menopause symptoms and may be more effective than existing treatments.
Researchers have created a protein mimetic that induces relaxation in smooth muscle cells by adding a phosphate group, making it effective for treating conditions like coronary artery disease. The mimetic is promising for promoting blood vessel relaxation and could lead to more successful coronary bypass surgeries.
Researchers discovered two enzymes necessary for mice to process three basic tastes, challenging the long-held view that distinct machinery is needed. The study also found that restoring one enzyme can selectively restore specific taste modalities.
The study found that exisulind significantly suppressed the rise in PSA levels compared to placebo, especially in high-risk patients. Exisulind therapy also lengthened the median PSA doubling time, suggesting a delay in disease progression.