Dissociation of mitochondrial and ribosomal biogenesis during thallium administration in rat kidney DOI Creative Commons

Sho Sugahara,

Kana Unuma, Shuheng Wen

и другие.

PLoS ONE, Год журнала: 2024, Номер 19(12), С. e0311884 - e0311884

Опубликована: Дек. 4, 2024

Thallium (Tl) is a heavy metal with toxicity comparative to other metals such as As, Cd, and Hg. Nevertheless, fewer studies have been reported concerning the molecular mechanism of Tl compared metals. To obtain insight into in kidney, rats were intraperitoneally administered 2 SO 4 (30 mg/kg), kidneys removed or 5 days later examine effects Tl. Transcriptome analysis using DNA microarray rat kidney after administration showed that cytoplasmic ribosomal proteins are most upregulated category; many genes involved ribosome biosynthesis by administration. This upregulation was associated activation eukaryotic transcription initiation factor 2α (eIF2α), implying increased biogenesis linked subsequent protein translation. In contrast, decreased mitochondrial revealed via proteomic analysis. Although we found an increase Myc, positive regulator both biogenesis, levels NRF1 TFAM, regulators whose gene expression directory activated paradoxically observed. Taken together, differing responses ribosomes mitochondria Failure transmission Myc signal NRF1/TFAM might be observed disruption coordinated during kidney.

Язык: Английский

Impacts of ribosomal RNA sequence variation on gene expression and phenotype DOI Creative Commons
Griffin A. Welfer, Ryan A. Brady,

S. Kundhavai Natchiar

и другие.

Philosophical Transactions of the Royal Society B Biological Sciences, Год журнала: 2025, Номер 380(1921)

Опубликована: Март 6, 2025

Since the framing of Central Dogma, it has been speculated that physically distinct ribosomes within cells may influence gene expression and cellular physiology. While heterogeneity in ribosome composition reported bacteria, protozoans, fungi, zebrafish, mice humans, its functional implications remain actively debated. Here, we review recent evidence demonstrating conserved variant ribosomal DNA (rDNA) alleles humans renders their translating pool intrinsically heterogeneous at level RNA (rRNA). In this context, discuss reports nutrient limitation-induced stress Escherichia coli leads to changes rRNA allele expression, programmatically altering transcription phenotype. We highlight expressing from operons exhibit drug sensitivities, which can be recapitulated vitro potentially rationalized by subtle perturbations structure or dynamic properties. Finally, differential rDNA results different populations subtypes mammalian tissues. These findings motivate further research into impacts heterogeneities on function predict strategies targeting hold therapeutic potential.This article is part discussion meeting issue 'Ribosome diversity impact protein synthesis, development disease'.

Язык: Английский

Процитировано

1

METTL3 promotes osteoblast ribosome biogenesis and alleviates periodontitis DOI Creative Commons
Yiwen Zhang,

Yiping Kong,

Wenjie Zhang

и другие.

Clinical Epigenetics, Год журнала: 2024, Номер 16(1)

Опубликована: Янв. 24, 2024

Abstract Background Periodontitis is a highly prevalent oral disease characterized by bacterium-induced periodontal inflammation and alveolar bone destruction. Osteoblast function impaired in periodontitis with global proteome change. METTL3 the pivotal methyltransferase of N 6 -methyladenosine (m A) that recently proved to exert crucial role osteoblast differentiation. This study aims investigate ribosome biogenesis progression. Results was knocked down osteoblasts, downregulated genes were enriched translation. knockdown inhibited oxidative phosphorylation LPS-stimulated whereas overexpression facilitated ribosomal mitochondrial function. Mechanistically, mediated biological behaviors activating Wnt/β-catenin/c-Myc signaling. depletion enhanced mRNA expression stability Dkk3 Sostdc1 via YTHDF2. In mice, inhibitor SAH promoted loss local inflammatory status, which partially rescued Wnt/β-catenin pathway activator CHIR-99021 HCl. Conclusions signaling LPS-treated osteoblasts alleviated destruction mice.

Язык: Английский

Процитировано

5

Live Cell Imaging and Real-Time Monitoring of Nucleolus Morphology and Mitophagy with a Red Fluorescent and Photostable rRNA-Specific Probe in Human Cancer Cells DOI

Jun-Ren Luo,

Wei Long,

Zexin Chen

и другие.

ACS Sensors, Год журнала: 2024, Номер 9(3), С. 1545 - 1554

Опубликована: Март 7, 2024

rRNAs are prevalent in living organisms. They produced nucleolus and mitochondria play essential cellular functions. In addition to the primary biofunction protein synthesis, have been recognized as emerging signaling molecule drug target for studies on morphology, mitochondrial autophagy, tumor cell malignancy. Currently, only a few rRNA-selective probes developed, most of them encounter drawbacks low water solubility, poor nuclear membrane permeability, short emission wavelength, stability against photobleaching, high cytotoxicity. These unfavorable properties rRNA limit their potential applications. present study, we reported new near-infrared fluorescent turn-on probe, 4MPS-TO, capable tracking live human cancer cells. The real-time monitoring performance morphology autophagy is demonstrated HeLa probe shows great application being used rRNA-selective, sensitive, photostable imaging tool chemical biology study screening.

Язык: Английский

Процитировано

5

Pan-Cancer Analysis of KANK2: Clinical and Molecular Insights into Tumor Progression and Therapeutic Implications DOI Creative Commons
Kai Zhao,

Jie Lin,

Yongzhi Li

и другие.

Journal of Cancer, Год журнала: 2025, Номер 16(4), С. 1149 - 1166

Опубликована: Янв. 6, 2025

KANK2, a gene crucial for cell migration and movement, is implicated in neoplastic non-neoplastic diseases. This study aimed to analyze KANK2's expression its diagnostic prognostic significance across 33 cancers using multiple online databases. comprehensively KANK2 The Cancer Genome Atlas (TCGA) Genotype-Tissue Expression (GTEx) database. Multiple web platforms software were used data analysis, including R, Cytoscape, HPA, TISIDB, UALCAN, GEO, cBioPortal, STRING, GSCALite, CancerSEA. WB qPCR experiments verify the results. widely expressed various tissues has significant value cancers, with AUC values exceeding 0.75 13 cancer types. Survival analysis indicated that significantly associated overall survival (OS) disease-specific (DSS) several cancers. varied different molecular immune subtypes was specific genetic mutations DNA methylation patterns. Functional state highlighted correlations processes such as EMT, angiogenesis, apoptosis. GSEA identified pathways related proliferation, migration, extracellular matrix remodeling. key interacting proteins by PPI network sensitive drug molecules found GSCA results also confirmed two GEO datasets serves valuable biomarker diagnosis prognosis intricately linked cellular processes, offering potential therapeutic targets future research.

Язык: Английский

Процитировано

0

Integrated TWAS, GWAS, and RNAseq results identify candidate genes associated with reproductive traits in cows DOI Creative Commons

Sevda Hosseinzadeh,

Seyed Abbas Rafat, Lingzhao Fang

и другие.

Scientific Reports, Год журнала: 2025, Номер 15(1)

Опубликована: Янв. 14, 2025

Low fertility in cows leads to early removal from herds. Since reproductive traits are complex and have low heritability, genetic analysis can aid improving reproduction. This study identified key genes linked by conducting genome- transcriptome-wide association studies, RNA-seq analysis, meta-analysis, weighted gene co-expression network functional enrichment analysis. Through these methods, we candidate related Cow conception rate (CCR), Daughter pregnancy (DPR), Heifer (HCR), overall traits, helping improve selection for success cows. The include RPL12, FKBP1B, FZD10, COX10, COX7A2, GAA, ETFBKMT, ACSM5, NUDT9, TIGAR, PAIP2, PSMB5. Notably, COX7A2 involved the "generation of precursor metabolites energy" process. TIGAR exhibit significant impacts on CCR, DPR, HCR. PSMB5 been as hub traits. RPL12 plays a role protein synthesis, essential gametogenesis embryo development, while FKBP1B regulates calcium signaling, particularly oocyte aging decline, FZD10 is crucial Wnt signaling. serve markers genomic aimed at enhancing cow.

Язык: Английский

Процитировано

0

Molecular responses of Mytilus coruscus hemocytes to lipopolysaccharide and peptidoglycan as revealed by 4D-DIA based quantitative proteomics analysis DOI

Wenhui Xiao,

Fang Song, Zilin Yang

и другие.

Fish & Shellfish Immunology, Год журнала: 2025, Номер 158, С. 110143 - 110143

Опубликована: Янв. 20, 2025

Язык: Английский

Процитировано

0

Meioc-Piwil1 complexes regulate rRNA transcription for differentiation of spermatogonial stem cells DOI Open Access

Toshihiro Kawasaki,

T. Nishimura, Naoki Tani

и другие.

Опубликована: Янв. 22, 2025

Ribosome biogenesis is vital for sustaining stem cell properties, yet its regulatory mechanisms are obscure. Herein, we show unique properties of zebrafish meioc mutants in which spermatogonial cells (SSCs) do not differentiate or upregulate rRNAs. Meioc colocalized with Piwil1 perinuclear germ granules, but depletion resulted accumulation nucleoli. Nucleolar interacted 45S pre-rRNA. piwil1 +/− spermatogonia reduced upregulated rRNAs, and ;meioc −/− recovered differentiation later than those . Further, Setdb1 HP1α, exhibited high levels H3K9me3 methylated CpG the 45S-rDNA region. These results indicate that SSCs silence rRNA transcription repressive marks similar to Drosophila piRNA targets RNA polymerase II, has a function on preventing localization nucleoli transcripts promote SSC differentiation.

Язык: Английский

Процитировано

0

Meioc-Piwil1 complexes regulate rRNA transcription for differentiation of spermatogonial stem cells DOI Open Access

Toshihiro Kawasaki,

T. Nishimura, Naoki Tani

и другие.

Опубликована: Янв. 22, 2025

Ribosome biogenesis is vital for sustaining stem cell properties, yet its regulatory mechanisms are obscure. Herein, we show unique properties of zebrafish meioc mutants in which spermatogonial cells (SSCs) do not differentiate or upregulate rRNAs. Meioc colocalized with Piwil1 perinuclear germ granules, but depletion resulted accumulation nucleoli. Nucleolar interacted 45S pre-rRNA. piwil1 +/− spermatogonia reduced upregulated rRNAs, and ;meioc −/− recovered differentiation later than those . Further, Setdb1 HP1α, exhibited high levels H3K9me3 methylated CpG the 45S-rDNA region. These results indicate that SSCs silence rRNA transcription repressive marks similar to Drosophila piRNA targets RNA polymerase II, has a function on preventing localization nucleoli transcripts promote SSC differentiation.

Язык: Английский

Процитировано

0

Exploring the antibacterial and anti-biofilm properties of Diacerein against methicillin-resistant Staphylococcus aureus DOI Creative Commons
Yingying Sun,

Yaozhou Wu,

Yanbin Chang

и другие.

Frontiers in Microbiology, Год журнала: 2025, Номер 16

Опубликована: Март 20, 2025

Background Methicillin-resistant Staphylococcus aureus (MRSA) poses a significant clinical challenge due to its multidrug resistance. Diacerein (DIA), primarily used treat degenerative joint diseases, has recently been found exhibit antibacterial activity, though specific mechanisms remain unclear. Methods The minimum inhibitory concentration (MIC) and bactericidal (MBC) of DIA, as well in - vitro combination susceptibility testing, were determined using the broth microdilution method. Additionally, resistance induction assays, time-growth curve measurements, membrane fluidity, intracellular protein levels, reactive oxygen species (ROS) assessed. inhibition clearance MRSA biofilms by DIA evaluated crystal violet staining method, with bacterial morphology observed via scanning electron microscopy confocal laser microscopy. Finally, transcriptome analysis was conducted identify gene expression changes treated RT-qPCR verification performed. Results MIC MBC against 32 μg/mL 128 μg/mL, respectively, synergistic effects when combined ampicillin. increased ROS levels fluidity MRSA, decreased soluble synthesis, altered morphology. significantly inhibited biofilm formation disrupted pre existing biofilms. Transcriptome revealed 1,045 differentially expressed genes between DIA-treated group control group, involving pathways such tricarboxylic acid cycle, phosphorylation, ribosome metabolism, nucleotide metabolism. Conclusion In summary, anti-biofilm activities does not easily induce Its may involve multiple aspects, including energy

Язык: Английский

Процитировано

0

The synthesis of arylmethylene bisindoles catalyzed by nickel perchlorate as potential antifungal agent against Clarireedia homoeocarpa DOI
Zhou Ye,

Ruyuan Wang,

Rui Feng

и другие.

Phytochemistry Letters, Год журнала: 2025, Номер 67, С. 102966 - 102966

Опубликована: Апрель 24, 2025

Язык: Английский

Процитировано

0