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The secretion of TGF-β3 by adipose-derived stem cells inhibits melanin synthesis and its impact on the cAMP/PKA signaling pathway.
Arch Dermatol Res
January 2025
Burn and Wound Repair Center, The Third Hospital of Hebei Medical University, No. 139, Ziqiang Road, Shijiazhuang, Hebei Province, 050035, China.
This study aimed to investigate the role of transforming growth factor-beta 3 (TGF-β3) secreted by adipose-derived stem cells (ADSCs) in suppressing melanin synthesis during the wound healing process, particularly in burn injuries, and to explore the underlying mechanisms involving the cAMP/PKA signaling pathway. ADSCs were isolated from C57BL/6 mice and characterized using flow cytometry and differentiation assays. A burn injury model was established in mice, followed by UVB irradiation to induce hyperpigmentation.
View Article and Find Full Text PDFIn the Brain of Phosphodiesterases: Potential Therapeutic Targets for Schizophrenia.
Clin Psychopharmacol Neurosci
February 2025
Department of Mental Health of Enna, Psychiatry Unity, Enna Hospital, Enna, Italy.
Intracellular cyclic nucleotides (cyclic adenosine monophosphate and cyclic guanosine monophosphate) and downstream cellular signal transduction are regulated by phosphodiesterases (PDEs). The neuroplasticity, neurotransmitter pathways, and neuroinflammation-controlling functions of PDEs were demonstrated in numerous in vitro and animal model studies. We comprehensively reviewed the literature regarding the expression of PDEs in various brain regions.
View Article and Find Full Text PDFMechanistic determinants and dynamics of cA6 synthesis in type III CRISPR-Cas effector complexes.
Nucleic Acids Res
January 2025
Department of Biochemistry, University of Zurich, Winterthurerstrass 190, 8057 Zurich, Switzerland.
Type III clustered regularly interspaced short palindromic repeats (CRISPR) and CRISPR-associated (Cas) systems (type III CRISPR-Cas systems) use guide RNAs to recognize RNA transcripts of foreign genetic elements, which triggers the generation of cyclic oligoadenylate (cOA) second messengers by the Cas10 subunit of the type III effector complex. In turn, cOAs bind and activate ancillary effector proteins to reinforce the host immune response. Type III systems utilize distinct cOAs, including cyclic tri- (cA3), tetra- (cA4) and hexa-adenylates (cA6).
View Article and Find Full Text PDFNewly identified c-di-GMP pathway putative EAL domain gene STM0343 regulates stress resistance and virulence in Salmonella enterica serovar Typhimurium.
Vet Res
January 2025
National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Key Laboratory of Animal Vaccine Development, Ministry of Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China.
S. Typhimurium is a significant zoonotic pathogen, and its survival and transmission rely on stress resistance and virulence factors. Therefore, identifying key regulatory elements is crucial for preventing and controlling S.
View Article and Find Full Text PDFSingle-cell analysis identifies the CNP/GC-B/cGMP axis as marker and regulator of modulated VSMCs in atherosclerosis.
Nat Commun
January 2025
Interfakultäres Institut für Biochemie, University of Tübingen, Tübingen, Germany.
A balanced activity of cGMP signaling contributes to the maintenance of cardiovascular homeostasis. Vascular smooth muscle cells (VSMCs) can generate cGMP via three ligand-activated guanylyl cyclases, the NO-sensitive guanylyl cyclase, the atrial natriuretic peptide (ANP)-activated GC-A, and the C-type natriuretic peptide (CNP)-stimulated GC-B. Here, we study natriuretic peptide signaling in murine VSMCs and atherosclerotic lesions.
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