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MuSK regulates neuromuscular junction Nav1.4 localization and excitability.
J Neurosci
January 2025
Carney Institute for Brain Science, Brown University, Providence, RI 02912
The neuromuscular junction (NMJ) is the linchpin of nerve-evoked muscle contraction. Broadly, the function of the NMJ is to transduce nerve action potentials into muscle fiber action potentials (MFAPs). Efficient neuromuscular transmission requires both cholinergic signaling, responsible for generation of endplate potentials (EPPs), and excitation, the amplification of the EPP by postsynaptic voltage-gated sodium channels (Nav1.
View Article and Find Full Text PDFAQP3 Influences Unexplained Recurrent Abortion by Regulating Trophoblast Cell Migration and Invasion via the METTL14/IGF2BP1/AQP3/PI3K/AKT Pathway.
J Cell Mol Med
February 2025
Department of Reproductive Health and Infertility, Guangdong Women and Children Hospital, Guangzhou, Guangdong, China.
Reduced trophoblast migration and invasion contribute to unexplained recurrent spontaneous abortion (URSA). Aquaporin 3 (AQP3) plays a crucial role in facilitating trophoblast migration and invasion during early pregnancy through fetal-maternal crosstalk. This study aimed to comprehensively investigate the mechanism involving AQP3 and its modulatory effects on human extravillous trophoblast (HTR-8/SVneo cells) migration and invasion.
View Article and Find Full Text PDFLoss of Arhgap39 facilitates cell migration and invasion in murine hepatocellular cancer cells.
Oncol Res
January 2025
Institute of Biochemical Sciences, National Taiwan University, Taipei, 10617, Taiwan.
Background: Rho GTPases are essential regulators for cellular movement and intracellular membrane trafficking. Their enzymatic activities fluctuate between active GTP-bound and inactive GDP-bound states regulated by GTPase activating proteins (GAPs) and guanine nucleotide exchange factors (GEFs). Arhgap39/Vilse/Porf-2 is a newly identified GAP.
View Article and Find Full Text PDFAn immunosenescent CD8+ T cell subset in patients with axial Spondyloarthritis and Psoriatic Arthritis links spontaneous motility to telomere shortening and dysfunction.
Arthritis Rheumatol
January 2025
Department of Biology and Biotechnologies "Charles Darwin", Sapienza University of Rome, Rome, Italy.
Objective: A pathogenetic role of CD8+ T lymphocytes in radiographic axial spondyloarthritis (r-axSpA) and other spondyloarthritis (SpA) is sustained by genome-wide association studies (GWAS) and by the expansion of public T cell clonotypes in the target tissues. This study investigates the migration of CD8+ T cells, along with their phenotype and functions in patients with r-axSpA and psoriatic arthritis (PsA).
Methods: Peripheral blood CD8+ and CD4+ T cells were isolated from r-axSpA (n= 128), PsA (n= 60) and rheumatoid arthritis (RA, n= 74) patients and healthy donors (HD, n= 79).
Brief exposure to (-) THC affects zebrafish embryonic locomotion with effects that persist into the next generation.
Sci Rep
January 2025
Departments of Biological Sciences CW-405 Biological Sciences Building, University of Alberta Edmonton, Edmonton, AB, T6G 2E9, Canada.
Cannabis is one of the most widely used drugs, and yet an understanding of its impact on the human brain and body is inconclusive. Medicinal and recreational use of cannabis has increased in the last decade with a concomitant increase in use by pregnant women. The major psychoactive compound in cannabis, Δ-tetrahydrocannabinol (THC), exists in different isomers, with the (-) trans isomer most common.
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