National Institute of Infectious Diseases

Diagnostic performance of a field-deployable iiPCR platform and viral load dynamics of MPXV Clade IIb in a cohort with high prevalence of HIV

BACKGROUND: Since 2022, the global outbreak of Mpox caused by the Mpox virus (MPXV) Clade IIb has underscored the need for timely and decentralized molecular diagnostics. Although quantitative real-time PCR (qPCR) remains the diagnostic gold standard, its infrastructure requireme...

Rheumatoid arthritis-associated peptidylarginine deiminase 4 haplotype citrullinates human immunodeficiency virus-pol and confers antiviral activity

Peptidylarginine deiminase 4 (PADI4)-mediated citrullination modulates immune responses and drives autoantibody formation in rheumatoid arthritis (RA). Two common haplotypes, defined by four exonic SNPs ( PADI4_89 , 90 , 92 , and 104 ), have been described, with haplotype 2 (the...

Comparative in vivo evaluation of colistin resistance determinants in Escherichia coli clone ST131

Background Colistin is a last-resort antimicrobial for multidrug-resistant (MDR) Gram-negative infections. Health risks associated with colistin resistance are commonly inferred from resistance phenotypes, despite limited in vivo evidence linking resistance determinants to pathog...

Helicobacter pylori small RNA HPnc1470 represses HP0499/PldA/CGAT expression and modulates gastric epithelial morphology and inflammation

Helicobacter pylori persistently colonizes the stomach and contributes to gastric inflammation and carcinogenesis via sustained interactions with gastric epithelial cells. Although bacterial small RNAs (sRNAs) are crucial post-transcriptional regulators, their roles in regulating...