Int J Med Sci
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Diabetic retinopathy (DR) is a microvascular complication of diabetes characterized by an inflammatory response. The H19 gene plays a role in regulating inflammation and is associated with chronic systemic inflammation. This study aims to investigate the potential correlation between single-nucleotide polymorphisms (SNPs) in the H19 gene and the development of DR. ⋯ Additionally, diabetic individuals with the H19 SNP rs3741219 AG+GG genotype also showed significantly higher serum creatinine (p = 0.034), lower glomerular filtration rate (GFR) (p = 0.013), higher total cholesterol/HDL ratio (p = 0.031), and higher triglycerides (p = 0.012). In an age-based subgroup analysis, GFR was significantly lower in diabetic patients with an onset of diabetes before 45 years and with the H19 SNP rs3741219 AG+GG genotype (p = 0.012). In conclusion, the presence of the H19 SNP rs3741219 variant is associated with a higher risk of DR in individuals with early-onset diabetes, and the relationship between the rs3741219 variant and decreased GFR is particularly pronounced in this population.
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RAC1, a member of the Rho family GTPases, has been implicated in various cancers, yet its pan-cancer landscape and role in the tumor immune microenvironment remain underexplored. This study presents a comprehensive analysis of RAC1 across 33 cancer types, revealing its high expression in a broad range of cancers and its association with poor prognosis. RAC1 expression correlates with genomic alterations, including CNVs, TMB, and MSI. ⋯ Functional enrichment analysis showed that high RAC1 expression is linked to lower enrichment in B cell activation and immune response pathways. Single-cell transcriptome analysis identified RAC1 expression primarily in epithelial cells, associated with tumor progression, and spatial transcriptome analysis showed a mutually exclusive co-localization between B cell infiltration regions and RAC1-expressing epithelial cells. Based on RAC1 expression and B cell interaction, a prognostic signature was established to predict prognosis at the pan-cancer level.
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Background: Evidence increasingly indicates that HPV infection plays a pivotal role in the initiation and progression of bladder cancer (BC). Yet, determining the predictive value of HPV-associated genes in BC remains challenging. Methods: We identified differentially expressed HPV-associated genes of BC patients from the TCGA and GEO databases. ⋯ Risk scores were correlated with tumor microenvironment (TME) scores, immune cell infiltration, and sensitivities to both chemotherapy and immunotherapy. Conclusion: We have formulated a risk-assessment model pinpointing 13 central HPV-associated genes in BC. These genes present potential as prognostic indicators and therapeutic targets, emphasizing the intertwined relationship between HPV-induced BC progression and the immune landscape.
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Purpose: Pancreatic cancer has the worst prognosis of all common cancers worldwide. Cadherin plays important roles in cancer cell invasion and metastasis. This study investigated the role and mechanism of Cadherin 23 (CDH23) action in the viability of pancreatic cancer cells. ⋯ The viability and migration of pancreatic cancer cells in monolayer culture conditions did not change when CDH23 was silenced. The level of phosphorylated AKT was significantly decreased in the CDH23 knockdown cells in floating culture conditions. Conclusion: High levels of CDH23 expression are correlated with a poor prognosis in pancreatic cancer and may serve as a novel prognostic marker.
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Background: Recent research emphasizes the significant regulatory functions of epigenetic alterations and post-translational modifications (PTMs) in the ferroptosis process. Despite the existing volume of literature, there is a remarkable shortage of comprehensive analyses that systematically trace the evolution of research, map key investigative routes, evaluate the current situation of the field, determine central themes, and predict future directions. This study intends to offer a comprehensive summary of the progress achieved during the past 12 years in comprehending how epigenetic modifications and PTMs regulate ferroptosis. ⋯ The journal Cell Death & Disease leads in terms of publication volume, having published the greatest number of articles related to this area. This study identified hepatocellular carcinoma, mitochondrial diseases, and iron overload as the most prominent diseases explored in this research domain. Conclusion: This meticulous scientometric assessment is beneficial to both experienced researchers and newcomers by providing essential information and facilitating the derivation of innovative concepts in this field.