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Study of an arginine- and tryptophan-rich antimicrobial peptide in peri-implantitis.
Front Bioeng Biotechnol
January 2025
Department of Periodontology, School and Hospital of Stomotology, Tianjin Key Laboratory of Oral Soft and Hard Tissues Restoration and Regeneration, Tianjin Medical University, Tianjin, China.
The combination of hydrophilic arginine residues and hydrophobic tryptophan residues is considered to be the first choice for designing short-chain antimicrobial peptides (AMPs) due to their potent antibacterial activity. Based on this, we designed an arginine- and tryptophan-rich short peptide, VR-12. Peri-implantitis is a significant microbial inflammatory disorder characterized by the inflammation of the soft tissues surrounding an implant, which ultimately leads to the progressive resorption of the alveolar bone.
View Article and Find Full Text PDFGreasing the wheels of inflammasome formation: regulation of NLRP3 function by S-linked fatty acids.
Biochem Soc Trans
January 2025
School of Biosciences, University of Sheffield, Western Bank, Sheffield, S10 2TN, United Kingdom.
NLRP3 is an inflammasome seeding pattern recognition receptor that initiates a pro-inflammatory signalling cascade in response to changes in intracellular homeostasis that are indicative of bacterial infection or tissue damage. Several types of post-translational modification (PTM) have been identified that are added to NLRP3 to regulate its activity. Recent progress has revealed that NLRP3 is subject to a further type of PTM, S-acylation (or palmitoylation), which involves the reversible addition of long-chain fatty acids to target cysteine residues by opposing sets of enzymes.
View Article and Find Full Text PDFThe SERPINB4 gene mutation identified in twin patients with Crohn's disease impaires the intestinal epithelial cell functions.
Sci Rep
January 2025
Department of Gastroenterology, The National Key Clinical Specialty, Clinical Research Center for Gut Microbiota and Digestive Diseases of Fujian Province, Key Laboratory for Intestinal Microbiome and Human Health of Xiamen, Zhongshan Hospital of Xiamen University, Xiamen, 361004, China.
Crohn's disease (CD) is a chronic inflammatory autoimmune disease of unknown etiology. To identify new targets related to the initiation of CD, we screened a pair of twins with CD, which is a rare phenomenon in the Chinese population, for genetic susceptibility factors. Whole-exome sequencing (WES) of these patients revealed a mutation in their SERPINB4 gene.
View Article and Find Full Text PDFMast cell activation induced by tamoxifen citrate via MRGPRX2 plays a potential adverse role in breast cancer treatment.
Biochem Pharmacol
January 2025
School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, PR China; State Key Laboratory of Shaanxi for Natural Medicines Research and Engineering, Xi'an 710061, PR China. Electronic address:
Breast cancer is the most common malignant tumor endangering women's life and health. Tamoxifen citrate (TAM) is the first-line drug of adjuvant endocrine therapy for estrogen receptor-positive (ER) breast cancer patients. Some sporadic cases have described rare adverse reactions of TAM with potentially life-threatening dermatological manifestations, which were associated with skin allergy.
View Article and Find Full Text PDFBackground And Objective: Previously, the novel small molecule ISFP10 has been shown to inhibit fungal phosphoglucomutase (PGM) activity in and spp. With 50-fold selectivity over the human PGM molecule due to the presence of a unique yet conserved cysteine residue present in a number pathogenic fungal PGMs, use of this compound may provide a novel broad-spectrum approach to treating fungal infections. Accordingly, we sought to determine the tolerability in test animals receiving this compound, as well as the potential antifungal activity of ISFP10 on cultures of the common fungal pathogens and .
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