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TRFs/tiRNAs expression signature of low-glucose-treated HPAF-II cells

ABSTRACT: tRFs/tiRNAs expression signature of low-glucose-treated HPAF-II cells

PROVIDER: PRJNA864823 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR20736446.fastq.gz	Fastqsanger.gz
	SRR20736447.fastq.gz	Fastqsanger.gz
	SRR20736448.fastq.gz	Fastqsanger.gz
	SRR20736449.fastq.gz	Fastqsanger.gz
	SRR20736450.fastq.gz	Fastqsanger.gz

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tRFs/tiRNAs expression signature of low-glucose-treated HPAF-II cells

Project description:Glucose metabolism makes contributions to the development of pancreatic ductal adenocarcinoma (PDAC). Meanwhile, tsRNAs, including tRNA-derived fragment (tRF) and tRNA-derived stress-induced RNA (tiRNA), a subset of noncoding RNAs, exerts a vital role in glucose metabolism and cancer development. Analysis of high-glucose-treated and none glucose-treated HPAF-II cells from 6 samples (3 samples each group) was conducted. Results indicate insight into molecular signature of the pathogenesis of PDAC in abberant glucose metabolism.

2023-08-01 | GSE210247 | GEO

Identification of tRFs&tiRNAs Expression Profile in Breast Cancer Tissues

Project description:Purpose:In recent years, tRFs(transfer RNA-Derived Fragments) & tiRNAs (transfer RNA-Derived Stress-induced RNAs or tRNA halves) have been shown to have vital roles in cancer biology. We aimed to reveal the expression profile of tRFs&tiRNAs in breast cancer tissues in the study, and to explore their potential as biomarkers of breast cancer. Methods:We characterize tRFs&tiRNAs expression profiles in 6 pairs of breast cancer tissues and adjacent normal samples.Then we selected six tRFs&tiRNAs with significant expression and added 10 pairs of samples to verify the selected genes by qPCR in 16 pairs of breast cancer tissues along with the previous 6 pairs. Results:We found 31 differentially expressed tRFs&tiRNAs across our dataset, out of which 17 were up-regulated, 14 were down-regulated. Compared with 16 breast cancer tissues and healthy controls by qPCR, the results demonstrated that AS-tDR-001430, AS-tDR-001130 and AS-tDR-000779 were significantly expressed in breast cancer tissues (p < 0.001). AS-tDR-000779 was significantly up-regulated, AS-tDR-001430 and AS-tDR-001130 were significantly down-regulated which the expression patterns were similar to the sequencing results. Conclusions:Our studies have demonstrated that there were significantly expressed tRFs&tiRNAs in breast cancer tissues. They are hopefully to become biomarkers and would be valuable researches in this area.

2020-01-21 | GSE123967 | GEO

Differential Expression Profiles and Function Predictions for tRFs & tiRNAs in BALB/c mice with atopic dermatitis

Project description:Purpose: To explore the expression and biological functions of tRFs & tiRNAs in BALB/c mice with AD. Method: tRFs/tiRNAs profiles of control mice skin and 2,4-dinitrochlorobenzene(DNCB)- induced mice skin were generated by the Arraystar Mouse Small RNA Arrays. qRT–PCR validation was performed using SYBR Green assays. Results: There were 676 tRFs/tiRNAs that were aberrantly expressed in BALB/c mice with AD; 298 were upregulated and 378 were downregulated. tRF5-20-GluCTC-1, 5'tiRNA-33-ProTGG-4, 5'tRF-GluTTC, and mt-tRF3a-ProTGG were significantly expressed and confirmed with qRT–PCR, demonstrating the high degree of sensitivity of the Small RNA microarray technology. Conclusion: The pathogenesis of AD may be related with the differential expression of tRFs/tiRNAs. These findings may provide new perspectives for elucidating the molecular mechanisms and future treatments for AD.

2023-05-31 | GSE225968 | GEO

Identification of tRFs&tiRNAs Expression Profile in Breast Cancer Tissues

Project description:Identification of tRFs&tiRNAs Expression Profile in Breast Cancer Tissues

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Differential Expression Profiles and Function Predictions for tRFs & tiRNAs in Skin Injury Induced by Ultraviolet Irradiation

Project description:Purpose: to explore the function and mechanism of skin damage induced by ultraviolet irradiation. Method: Skin tRF & tiRNA profiles of mice normal skin and damage skin induced by Ultraviolet Irradiation (UV) were generated by deep sequencing, using Illumina NextSeq 500. qRT–PCR validation was performed using SYBR Green assays. Results:Sequencing was used to screen expression profiles and predict target genes. Compared with normal skin, a total of 31 differentially expressed tRFs and tiRNAs were screened. Among these, 10 tRFs and tiRNAs were shown to be significantly different in expression levels, where there were 4 up-regulated and 6 down-regulated target genes.Altered expression of 4 genes was confirmed with qRT–PCR, demonstrating the high degree of sensitivity of the RNA-seq method. Hierarchical clustering of differentially expressed genes uncovered several as yet uncharacterized genes that may contribute to skin repair after damage induced by ultraviolet irradiation. Conclusion: tRF-Trp-TCA-001 and tRF-Gly-CCC-019 plays an important role in acute skin injury induced by UVB radiation by regulating the ras-related C3 botulinum toxin substrate 1 (Rac1) gene in the WNT signaling pathway. This study provides new insights into the mechanisms and therapeutic targets of UV-induced skin injury.

2021-08-06 | GSE162641 | GEO

tRFs&tiRNAs sequence in LUAD tissues with micropapillary /solid (High-Risk) component

Project description:tRFs&tiRNAs sequence in LUAD tissues with micropapillary /solid (High-Risk) component

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Maternal Serum tRNA-derived Fragments (tRFs) as Potential Candidates for Diagnosis of Fetal Congenital Heart Disease

Project description:Background: Congenital heart disease (CHD) is one of the most predominant birth defects that cause infant death worldwide. The timely and successful surgical treatment of CHD on newborns after delivery requires accurate detection and reliable diagnosis during pregnancy. However, there are no biomarkers that can serve as an early diagnostic factor for CHD patients. tRNA-derived fragments (tRFs) have been reported to play an important role in the occurrence and progression of numerous diseases, but their roles in CHD remains unknown. Methods: High-throughput sequencing was performed on the peripheral blood of pregnant women with abnormal fetal heart and normal fetal heart, and 728 differentially expressed tRFs/tiRNAs were identified, among which the top 18 tRFs/tiRNAs were selected as predictive biomarkers of CHD. Then, quantitative reverse transcriptase polymerase chain reaction verified the expression of tRFs/tiRNAs in more clinical samples, and the correlation between tRFs/tiRNAs abnormalities and CHD was analyzed. Results: tRF-58:74-Gly-GCC-1 and tiRNA-1:35-Leu-CAG-1-M2 may be promising biomarkers. Through further bioinformatics analysis, we predicted that TRF-58:744-GLy-GCC-1 could induce CHD by influencing biological metabolic processes. Conclusions: our results provide a theoretical basis for the abnormally expressed tRF-58:74-Gly-GCC-1 in maternal peripheral blood as a new potential biomarker for the accurate diagnosis of CHD during pregnancy.

2023-03-01 | GSE221349 | GEO

tRFs&tiRNAs sequence in LUAD tissues with micropapillary /solid (High-Risk) component

Project description:Despite being the leading cause of lung cancer death, the underlying molecular mechanisms driving metastasis progression are still not fully understood. tRNAs can generate a group of 18-40nt small RNA fragments named tRNA-derived small RNAs (tsRNAs) or tRNA-derived fragments (tRFs). Transfer RNA-derived fragments (tRFs) have been implicated in various biological processes in cancer. However, the role of tRFs in the development and progression of lung adenocarcinoma (LUAD) remains unclear. In the present study, we hypothesized that certain tRFs might become induced during LUAD metastatic progression. In this study, micropapillary and solid component was defined as high-risk, other component was defined as low-risk and adjcent tissue was defined as normal control. Our data revealed a series of dysregulated tRFs in 3 paired LUAD high-risk tissues, low-risk tissues and normal controls.

2024-07-04 | GSE271302 | GEO

Differential Expression Profiles and Function Predictions for tRFs & tiRNAs in Skin Injury Induced by Ultraviolet Irradiation

Project description:Differential Expression Profiles and Function Predictions for tRFs & tiRNAs in Skin Injury Induced by Ultraviolet Irradiation

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Differential Expression Profiles and Function Predictions for tRFs & tiRNAs in BALB/c mice with atopic dermatitis

Project description:Differential Expression Profiles and Function Predictions for tRFs & tiRNAs in BALB/c mice with atopic dermatitis

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