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A recent study from Hokkaido University's Department of Chemistry, led by R. Kamada, has shed light on the critical role of tetramerization domain mutants in the inactivation of the tumor suppressor p53. The research reveals that a small destabilization of the tetrameric structure of p53 can result in
Universities and colleges
Researchers have discovered a new mechanism by which Ca(2+)/calmodulin-dependent protein kinase II (CaMKII) regulates the activity of alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid-type glutamate receptors (AMPARs). CaMKII promotes the trafficking and activation of the GluR1 subunit of AMPARs during synaptic plasticity, and it achieves this by targeting a specific SAP97 splice variant.
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Scientists have made significant discoveries in understanding the protective mechanism behind the transcription factor GATA4's ability to shield cardiomyocytes from doxorubicin-induced toxicity. Research published in the Journal of Biological Chemistry found that GATA4 inhibits autophagy, a cellular process that can be both protective and detrimental depending on the
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Recent research published in the Journal of Biological Chemistry has shed light on the critical role of Src kinase-mediated phosphorylation in stabilizing inducible nitric-oxide synthase (iNOS) in both normal cells and cancer cells. The study, led by A. Tyryshkin and colleagues from Baylor College of Medicine, Department of Medicine, reveals
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Researchers at the Medical University of South Carolina have discovered that free tubulin plays a crucial role in regulating mitochondrial membrane potential in cancer cells. According to their study, published in Cancer Research, tubulin promotes single-channel closure of voltage-dependent anion channels (VDAC), which affects the formation of mitochondrial membrane potential.
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Recent research published in the journal Biochemistry has shed light on the selective recognition of methylated CpG dinucleotides by methylation-sensitive sequence-specific DNA binding proteins. The study, conducted by V.V. Lao and colleagues from Loma Linda University, Department of Basic Sciences, probed the mechanism of selective interaction of the methyl-binding
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A new study has made a significant breakthrough in the fight against prostate cancer, as researchers from Shandong University in Jinan, People's Republic of China, have found that retigeric acid B, a naturally occurring compound, displays remarkable antitumor properties. The study, published in Chemico-biological Interactions, reveals that retigeric
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Researchers at Northwest Missouri State University have discovered a novel mechanism by which MEKK1 regulates transcriptional activity through an interaction with p53, a tumor suppressor protein. MEKK1, a key MAP3 kinase, translocates to the nucleus and acts as a co-repressor with p53 to down-regulate PKD1 transcriptional activity. This repression is
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Asian Americans have consistently shown low rates of cancer screening, despite varying levels of acculturation, a recent study published in Medical Care has found. Researchers at the University of California analyzed data from the 2003 California Health Interview Survey and found that access to care, rather than acculturation, was the
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Scientists in the United States have successfully hyperpolarized [2-13C]-fructose, a hemiketal DNP substrate, for in vivo metabolic imaging. This breakthrough enables the exploration of upstream glycolytic processes, which have been linked to various metabolic disorders, including cancer, fatty liver disease, and diabetes. The hyperpolarized [2-13C]-fructose exhibits a sufficient
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In the United States, over 14% of the population struggles with food insecurity, leading to reduced food intake and substitution of high-energy carbohydrates for healthier options. Researchers have found a significant association between food insecurity and poor diabetes management among low-income adults with diabetes. The study, conducted by H.K.
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Scientists in the United States have identified a clade of catalytically mutated DRM2 paralogs in flowering plant genomes, which they term DOMAINS REARRANGED METHYLTRANSFERASE3 (DRM3). Despite being catalytically mutated, DRM3 is required for normal maintenance of non-CG DNA methylation, establishment of RNA-directed DNA methylation triggered by repeat sequences, and accumulation
