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Loss 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 PDFSolvent-dripping modulated 3D/2D heterostructures for high-performance perovskite solar cells.
Nat Commun
January 2025
KAUST Solar Center (KSC), Physical and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, Kingdom of Saudi Arabia.
The controlled growth of two-dimensional (2D) perovskite atop three-dimensional (3D) perovskite films reduces interfacial recombination and impedes ion migration, thus improving the performance and stability of perovskite solar cells (PSCs). Unfortunately, the random orientation of the spontaneously formed 2D phase atop the pre-deposited 3D perovskite film can deteriorate charge extraction owing to energetic disorder, limiting the maximum attainable efficiency and long-term stability of the PSCs. Here, we introduce a meta-amidinopyridine ligand and the solvent post-dripping step to generate a highly ordered 2D perovskite phase on the surface of a 3D perovskite film.
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).
Overlap autoimmune hepatitis and primary sclerosing cholangitis in a patient with multiple sclerosis.
Rev Esp Enferm Dig
January 2025
Hepatology. Gastroenterology Unit, Hospital Universitario Central de Asturias.
A 16-year-old boy was diagnosed from multiple sclerosis (MS) after suffering from paresthesia in upper limbs and VI cranial nerve paresis. Corticosteroids and fingolimod were started. After 13 months a worsening of liver biochemical tests (LBT) was noticed: ALP 787 U/L, GGT 737 U/L, AST 195, ALT 321, Bi 0.
View Article and Find Full Text PDFExtracellular vesicles from chronic lymphocytic leukemia cells promote leukemia aggressiveness by inducing the differentiation of monocytes into nurse-like cells via an RNA-dependent mechanism.
Hemasphere
January 2025
Laboratory of Clinical Cell Therapy Université Libre de Bruxelles (ULB), Jules Bordet Institute Brussels Belgium.
Chronic lymphocytic leukemia (CLL) cells receive several stimuli from surrounding cells, such as B-cell receptor (BCR) stimulation, and can manipulate their microenvironment via extracellular vesicle (EV) release. Here, we investigated the small RNA content (microRNA and YRNA) of CLL-EVs from leukemic cells cultured with/without BCR stimulation. We highlight an increase of miR-155-5p, miR-146a-5p, and miR-132-3p in EVs and in cells after BCR stimulation ( < 0.
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