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THBS2 + cancer-associated fibroblasts promote EMT leading to oxaliplatin resistance via COL8A1-mediated PI3K/AKT activation in colorectal cancer.
Mol Cancer
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Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China.
Cancer-associated fibroblasts (CAFs) exert multiple tumor-promoting functions and are key contributors to drug resistance. The mechanisms by which specific subsets of CAFs facilitate oxaliplatin resistance in colorectal cancer (CRC) have not been fully explored. This study found that THBS2 is positively associated with CAF activation, epithelial-mesenchymal transition (EMT), and chemoresistance at the pan-cancer level.
View Article and Find Full Text PDFAn improvised one-step OptiPrep cushion ultracentrifugation method for outer membrane vesicles isolation of Klebsiella pneumoniae.
BMC Microbiol
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Jiang Xi Hospital of China-Japan Friendship Hospital, Nanchang, Jiangxi, 330052, P.R. China.
Background: Extracellular vesicles (EVs) play a crucial role in intraspecies and interspecies communication, significantly influencing physiological and pathological processes. Outer membrane vesicles (OMVs) secreted by Gram-negative bacteria are rich in components from the parent cells and are important for bacterial communication, immune evasion, and pathogenic mechanisms. However, the extraction and purification of OMVs face numerous challenges due to their small size and heterogeneity.
View Article and Find Full Text PDFEfficacy of corneal squamous cell carcinoma antigen-1 in early infancy in predicting atopic dermatitis and food allergy: A prospective study.
Allergol Int
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Department of Dermatology, Tohoku University Graduate School of Medicine, Sendai, Japan.
Background: Identification of predictive biomarkers is crucial for formulating preventive interventions and halting the progression of atopic march. Although controversial, the use of accessible markers to predict or detect early onset of atopic diseases is highly desirable. Therefore, this study aimed to investigate whether corneal squamous cell carcinoma antigen-1 (SCCA1) collected from infants can predict the development of atopic dermatitis and food allergy.
View Article and Find Full Text PDFTIMP-2 Promotes Wound Healing by Suppressing Matrix Metalloproteinases and Inflammatory Cytokines in Corneal Epithelial Cells.
Am J Pathol
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Schepens Eye Research Institute of Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA 02114, USA. Electronic address:
Tissue inhibitors of metalloproteinases (TIMPs) modulate extracellular matrix (ECM) remodeling for maintaining homeostasis and promoting cell migration and proliferation. Pathological conditions can alter TIMP homeostasis and aggravate disease progression. The roles of TIMPs have been studied in tissue-related disorders; however, their contributions to tissue repair during corneal injury are undefined.
View Article and Find Full Text PDFRestorative Effects of Short-Chain Fatty Acids on Corneal Homeostasis Disrupted by Antibiotic-Induced Gut Dysbiosis.
Am J Pathol
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International Ocular Surface Research Center, Key Laboratory for Regenerative Medicine, Institute of Ophthalmology, Jinan University, Guangzhou 510632, China; Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou 510630, China. Electronic address:
The gut microbiota plays a crucial regulatory role in various physiological processes, yet its impact on corneal homeostasis remains insufficiently understood. Here, we investigate the effects of antibiotic-induced gut dysbiosis (AIGD) and germ-free (GF) conditions on circadian gene expression, barrier integrity, nerve density, and immune cell activity in the corneas of mice. Through RNA sequencing, we found that both AIGD and GF conditions significantly disrupted the overall transcriptomic profile and circadian transcriptomic oscillations in the cornea.
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