Publications by authors named "Judit Ivan"

Wound healing is a complex sequence of cellular and molecular processes such as inflammation, cell migration, proliferation and differentiation. ROCK is a widely investigated Ser/Thr kinase with important roles in rearranging the actomyosin cytoskeleton. ROCK inhibitors have already been approved to improve corneal endothelial wound healing.

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Free fatty acid receptor 2 (FFAR2, also known as GPR43) is a G-protein-coupled receptor activated by short-chain fatty acids that are produced by gut microbiota through fermentation of nondigestible carbohydrates. FFAR2 functions as a metabolic sensor and is expressed in metabolically active tissues, such as adipose tissue. Earlier studies proved the connection between FFAR2 and adipocyte differentiation in mice.

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Reversible phosphorylation of neuronal proteins plays an important role in the regulation of neurotransmitter release. Myosin phosphatase holoenzyme (MP) consists of a protein phosphatase-1 (PP1) catalytic subunit (PP1c) and a regulatory subunit, termed myosin phosphatase targeting subunit (MYPT1). The primary function of MP is to regulate the phosphorylation level of contractile proteins; however, recent studies have shown that MP is localized to neurons, and is also involved in the mediation of neuronal processes.

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  • Myosin phosphatase (MP) is a specific enzyme made of a catalytic subunit (PP1c) and a target subunit (MYPT1), which helps direct the enzyme to its substrates.
  • Researchers discovered that PRMT5, an enzyme linked to methylation in a complex called the methylosome, interacts with MYPT1 in liver cancer cells and is regulated by specific phosphorylation events.
  • Silencing MYPT1 led to increased dimethylation of histones, changing gene expression involved in crucial cellular processes and suggesting that MP may act as a tumor suppressor by inhibiting PRMT5 and regulating gene expression through histone modifications.
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The avian bursa of Fabricius has a direct connection to the cloaca via the bursal duct. Using the bursal duct ligation technique, it has been clearly shown that the B cells of the bursal follicles develop under the influence of cloacal antigens. These antigens have been suggested to be present on the bursal secretory dendritic cells in immunoglobulin G (IgG)-containing complexes.

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The distribution of the immune complex vaccine virus for infectious bursal disease (IBD) in tissue was examined and the viral loads of the organs were quantitatively compared. One-day-old specific pathogen free (SPF) and maternally immune broiler chickens were injected subcutaneously with the vaccine. Lymphoid and non-lymphoid tissues were collected at various time intervals during the experiment to test for infectious bursal disease virus (IBDV)-RNA by using reverse transcriptase-polymerase chain reaction (RT-PCR).

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