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COVID-19 related epigenetic changes and atopic dermatitis: An exploratory analysis.
World Allergy Organ J
January 2025
Department of Dermatology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
Background: While epidemiological data suggest a connection between atopic dermatitis (AD) and COVID-19, the molecular mechanisms underlying this relationship remain unclear.
Objective: To investigate whether COVID-19-related CpGs may contribute to AD development and whether this association is mediated through the regulation of specific genes' expression.
Methods: We combined Mendelian randomization and transcriptome analysis for data-driven explorations.
Type IV collagen derived non-collagenous domain α6 (IV) NC1 and its derivative fragments inhibit endothelial cell proliferation and attenuates chorioallantoic membrane angiogenesis.
Cytotechnology
April 2025
Department of Genetics, Osmania University, Hyderabad, Telangana State India.
Targeting tumor angiogenesis with safe endogenous protein inhibitors is a promising therapeutic approach despite the plethora of the first line of emerging chemotherapeutic drugs. The extracellular matrix network in the blood vessel basement membrane and growth factors released from endothelial and tumor cells promote the neovascularization which supports the tumor growth. Contrastingly, small cleaved cryptic fragments of the C-terminal non collagenous domains of the same basement membrane display antiangiogenic effect.
View Article and Find Full Text PDFSine oculis homeobox homolog family function in gastrointestinal cancer: Progression and comprehensive analysis.
World J Clin Oncol
January 2025
Department of The Breast Center, Cancer Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China.
The sine oculis homeobox homolog (SIX) family, a group of transcription factors characterized by a conserved DNA-binding homology domain, plays a critical role in orchestrating embryonic development and organogenesis across various organisms, including humans. Comprising six distinct members, from to , each member contributes uniquely to the development and differentiation of diverse tissues and organs, underscoring the versatility of the SIX family. Dysregulation or mutations in genes have been implicated in a spectrum of developmental disorders, as well as in tumor initiation and progression, highlighting their pivotal role in maintaining normal developmental trajectories and cellular functions.
View Article and Find Full Text PDFComputational identification of novel natural inhibitors against triple mutant DNA gyrase A in fluoroquinolone-resistant Typhimurium.
Biochem Biophys Rep
March 2025
Department of Integrative Biology, School of Biosciences and Technology, Vellore Institute of Technology (VIT), Vellore, 632014, Tamil Nadu, India.
The rising resistance to fluoroquinolones in Typhimurium poses a significant global health challenge. This computational research addresses the pressing need for new therapeutic drugs by utilizing various computational tools to identify potential natural compounds that can inhibit the triple mutant DNA gyrase subunit A enzyme, which is crucial in fluoroquinolone resistance. Initially, the three-dimensional structure of the wild-type DNA gyrase A protein was modeled using homology modeling, and followed by mutagenesis to create the clinically relevant triple mutant (SER83PHE, ASP87GLY, ALA119SER) DNA gyrase A protein structure.
View Article and Find Full Text PDFDNA Methyltransferase Inhibition Upregulates the Costimulatory Molecule ICAM-1 and the Immunogenic Phenotype of Melanoma Cells.
JID Innov
March 2025
Department of Dermatology, University Hospital of Zurich, University of Zurich, Schlieren, Switzerland.
In cutaneous melanoma, epigenetic dysregulation is implicated in drug resistance and tumor immune escape. However, the epigenetic mechanisms that influence immune escape remain poorly understood. To elucidate how epigenetic dysregulation alters the expression of surface proteins that may be involved in drug targeting and immune escape, we performed a 3-dimensional surfaceome screen in primary melanoma cultures and identified the DNA-methyltransferase inhibitor decitabine as significantly upregulating the costimulatory molecule ICAM-1.
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