scholarly journals Long non-coding RNA GATA6-AS1 upregulates GATA6 to regulate the biological behaviors of lung adenocarcinoma cells

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Honggang Kang ◽  
Dan Ma ◽  
Jing Zhang ◽  
Jun Zhao ◽  
Mengxiang Yang
Keyword(s):  
Cell Proliferation ◽  
Lung Adenocarcinoma ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Bioinformatic Tools ◽  
Non Coding Rna ◽  
Adenocarcinoma Cells ◽  
Rna Immunoprecipitation ◽  
Reporter Assays ◽  
Long Non Coding Rna

Abstract Background Lung adenocarcinoma (LUAD) is known to be one of the leading causes of cancer-related deaths globally. In recent decades, long non-coding RNAs (lncRNAs) have been indicated to exert pivotal regulating functions in multiple biological behaviors in the initiation and development of LUAD. However, the functional mechanism of lncRNA GATA binding protein 6 antisense RNA 1 (GATA6-AS1) in LUAD has not been explored. Methods In the current study, GATA6-AS1 expression in LUAD tissues was revealed. Meanwhile, GATA6-AS1 expression in LUAD cells was investigated via RT-qPCR analysis. After A549 and H1975 cells were transfected with GATA6-AS1 overexpression plasmids, EdU and colony formation assays, TUNEL assays and flow cytometry analyses, as well as wound healing and Transwell assays were conducted to detect cell proliferation, apoptosis, migration and invasion. Afterwards, bioinformatic tools, western blot analyses, dual-luciferase reporter assays, and RNA immunoprecipitation (RIP) assays were performed to investigate the correlation of microRNA-4530 (miR-4530), GATA6-AS1 and GATA6. Results We found that GATA6-AS1 expression was low-expressed in LUAD tissues and cells. Furthermore, the upregulation of GATA6-AS1 suppressed the proliferative, migration and invasion abilities, as well as promoted apoptotic rate of A549 and H1975 cells. Moreover, the mechanistic investigations revealed that GATA6-AS1 upregulated the expression of its cognate sense gene GATA6 by binding with miR-4530, thereby modulating the malignant progression of LUAD cells. Conclusions GATA6-AS1 repressed LUAD cell proliferation, migration and invasion, and promoted cell apoptosis via regulation of the miR-4530/GATA6 axis, indicating GATA6-AS1 as a new prognostic biomarker for LUAD.

scholarly journals Long non-coding RNA LINC01194 promotes the proliferation, migration and invasion of lung adenocarcinoma cells by targeting miR-641/SETD7 axis

2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Fanmei Meng ◽  
Yijing Zhou ◽  
Baohua Dong ◽  
Aiqin Dong ◽  
Jingtao Zhang
Keyword(s):  
Cell Proliferation ◽  
Lung Adenocarcinoma ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Non Coding Rna ◽  
Adenocarcinoma Cells ◽  
Reporter Assays ◽  
Cancer Types ◽  
Long Non Coding Rna

Abstract Background It is increasingly evidenced that long non-coding RNAs (lncRNAs) play an important role in various diseases. LncRNA LINC01194 acts as an oncogene in several cancer types. Nevertheless, the role of LINC01194 in lung adenocarcinoma (LUAD) has not yet been revealed. Methods qRT-PCR was used to detect the expression of LINC01194, miR-641 and SETD7 mRNA, while western blot was exploited to examine SETD7 protein level. Cell proliferation was detected by colony formation and EdU assays. Transwell assays detected cell migration and invasion. TUNEL assay and flow cytometry analysis were used to detect cell apoptosis. RIP, RNA pull down and luciferase reporter assays detected the binding among LINC01194, miR-641 and SETD7. Results LINC01194 was significantly upregulated in LUAD tissues and cell lines. Knockdown of LINC01194 resulted in decreased cell proliferation, migration and invasion, and increased apoptosis. Mechanistic experiments unveiled that LINC01194 augmented SETD7 expression in LUAD cells by competitively interacting with miR-641. Rescue experiments showed that miR-641 inhibition and SETD7 overexpression rescued the repressing impacts on LUAD cell proliferation, migration and invasion caused by LINC01194 knockdown. Conclusion LINC01194 promotes the progression of LUAD by enhancing miR-641-targeted SETD7. The LINC01194/miR-641/SETD7 axis might provide new molecular targets for treating LUAD.

scholarly journals GAS6-AS1 Overexpression Increases GIMAP6 Expression and Inhibits Lung Adenocarcinoma Progression by Sponging miR-24-3p

2021 ◽  
Vol 11 ◽  
Author(s):  
Yuanyong Wang ◽  
Minge Ma ◽  
Chuan Li ◽  
Yuling Yang ◽  
Maolong Wang
Keyword(s):  
Lung Adenocarcinoma ◽  
Cell Lines ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Non Coding Rna ◽  
Rna Immunoprecipitation ◽  
Reporter Assays ◽  
Potential Interactions ◽  
Long Non Coding Rna

GAS6 antisense RNA 1 (GAS6-AS1) is a long non-coding RNA involved in hepatocellular carcinoma and gastric cancer. However, the functional role of GAS6-AS1 in lung adenocarcinoma (LUAD) remains unclear. In the present study, qRT-PCR was used to measure the levels of GAS6-AS1, GIMAP6 and miR-24-3p expression in LUAD samples and cell lines. CCK-8 and colony formation assays were used to determine cell proliferation. Cell migration and invasion were evaluated using wound healing and transwell assays, respectively. The potential interactions between molecules were assessed using RNA immunoprecipitation and luciferase reporter assays. Western blot analysis was used to quantify protein expression. The anti-tumor effect of over-expressed GAS6-AS1 on LUAD was also examined in vivo in xenograft tumor experiments. The expression of GAS6-AS1 was notably downregulated in LUAD samples and cell lines and associated with a poor prognosis. GAS6-AS1 overexpression inhibited the migration and invasion of A549 and H1650 cells. Down-expressed GAS6-AS1 acted as a sponge for miR-24-3p and down-regulated the expression of its target, GTPase IMAP Family Member 6. These findings suggested that GAS6-AS1 might represent a potential diagnostic biomarker for LUAD.

Long Non-Coding RNA GATA6-AS1 Inhibits Proliferation and Promotes Apoptosis of Lung Adenocarcinoma Through Sponging miR-331-3p and Regulating SOCS1/JAK2/STAT3 Pathway

2020 ◽  
Author(s):  
Xiaodong Huo ◽  
Huixing Wang ◽  
Ning Jiang ◽  
Kuo Yang ◽  
Bin Huo ◽  
...  
Keyword(s):  
Cell Proliferation ◽  
Lung Adenocarcinoma ◽  
Cell Apoptosis ◽  
Luciferase Reporter ◽  
Stat3 Signaling ◽  
Novel Approach ◽  
Non Coding Rna ◽  
Stat3 Signaling Pathway ◽  
Reporter Assays ◽  
Long Non Coding Rna

Abstract Background: Accumulating evidence has indicated the remarkable roles of long non-coding RNAs (lncRNAs) as oncogenes or tumor suppressors in many malignancies. The involvement of lncRNA GATA6-AS1 in cancers remains largely undiscovered. Herein, our research was aimed at elucidating the function and mechanism of GATA6-AS1 in lung adenocarcinoma (LUAD).Methods: Gene expression was measured through qRT-PCR and WB. Cell proliferation ratio was determined using CCK-8 and EdU assays. Cell apoptosis ratio was determined using TUNEL and flow cytometry assays. Molecular interactions were examined through RIP, RNA pull-down and luciferase reporter assays.Results: GATA6-AS1 expression was markedly down-regulated in LUAD cell lines. GATA6-AS1 could inhibit LUAD cell proliferation and promote cell apoptosis. Mechanistically, GATA6-AS1 was identified as the molecular sponge for miR-331-3p, whose knockdown in LUAD cells could reinforce the tumor-suppressing effects of GATA6-AS1 overexpression. Moreover, GATA6-AS1 functions as a competing endogenous RNA (ceRNA) through sequestering miR-331-3p to deregulate SOCS1, thus inhibiting JAK2/STAT3 signaling pathway and suppressing LUAD cell viability.Conclusions: These results demonstrate the tumor-suppressing function and mechanism of lncRNA GATA6-AS1 in LUAD cells. The axis of GATA6-AS1/miR-331-3p/SOCS1/JAK2/STAT3 can be adopted as a novel approach for LUAD treatment.

Long Non-Coding RNA ARAP1-AS1 Facilitates the Progression of Cervical Cancer by Regulating miR-149-3p and POU2F2

Pathobiology ◽  
2021 ◽  
pp. 1-12
Author(s):  
Ling Zhou ◽  
Xiao-li Xu
Keyword(s):  
Cervical Cancer ◽  
Tumor Model ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Non Coding Rna ◽  
Injection Model ◽  
Rna Immunoprecipitation ◽  
Long Non Coding Rna

<b><i>Background:</i></b> Emerging research has demonstrated that long non-coding RNAs (lncRNAs) attach great importance to the progression of cervical cancer (CC). LncRNA ARAP1-AS1 was involved in the development of several cancers; however, its role in CC is far from being elucidated. <b><i>Methods:</i></b> Real-time PCR (RT-PCR) was employed to detect ARAP1-AS1 and miR-149-3p expression in CC samples. CC cell lines (HeLa and C33A cells) were regarded as the cell models. The biological effect of ARAP1-AS1 on cancer cells was measured using CCK-8 assay, colony formation assay, flow cytometry, Transwell assay and wound healing assay in vitro, and subcutaneous xenotransplanted tumor model and tail vein injection model in vivo. Furthermore, interactions between ARAP1-AS1 and miR-149-3p, miR-149-3p and POU class 2 homeobox 2 (POU2F2) were determined by bioinformatics analysis, qRT-PCR, Western blot, luciferase reporter and RNA immunoprecipitation assay, respectively. <b><i>Results:</i></b> The expression of ARAP1-AS1 was enhanced in CC samples, while miR-149-3p was markedly suppressed. Additionally, ARAP1-AS1 overexpression enhanced the viability, migration, and invasion of CC cells. ARAP1-AS1 downregulated miR-149-3p via sponging it. ARAP1-AS1 and miR-149-3p exhibited a negative correlation in CC samples. On the other hand, ARAP1-AS1 enhanced the expression of POU2F2, which was validated as a target gene of miR-149-3p. <b><i>Conclusion:</i></b> ARAP1-AS1 was abnormally upregulated in CC tissues and indirectly modulated the POU2F2 expression via reducing miR-149-3p expression. Our study identified a novel axis, ARAP1-AS1/miR-149-3p/POU2F2, in CC tumorigenesis.

scholarly journals Long non-coding RNA FOXD2-AS1 promotes cell proliferation, metastasis and EMT in glioma by sponging miR-506-5p

Open Medicine ◽  
2020 ◽  
Vol 15 (1) ◽  
pp. 921-931
Author(s):  
Juan Zhao ◽  
Xue-Bin Zeng ◽  
Hong-Yan Zhang ◽  
Jie-Wei Xiang ◽  
Yu-Song Liu
Keyword(s):  
Cell Proliferation ◽  
Epithelial Mesenchymal Transition ◽  
Human Cancer ◽  
Glioma Cells ◽  
Suppressor Gene ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Mesenchymal Transition ◽  
Non Coding Rna ◽  
Long Non Coding Rna

AbstractLong non-coding RNA forkhead box D2 adjacent opposite strand RNA 1 (FOXD2-AS1) has emerged as a potential oncogene in several tumors. However, its biological function and potential regulatory mechanism in glioma have not been fully investigated to date. In the present study, RT-qPCR was conducted to detect the levels of FOXD2-AS1 and microRNA (miR)-506-5p, and western blot assays were performed to measure the expression of CDK2, cyclinE1, P21, matrix metalloproteinase (MMP)7, MMP9, N-cadherin, E-cadherin and vimentin in glioma cells. A luciferase reporter assay was performed to verify the direct targeting of miR-506-5p by FOXD2-AS1. Subsequently, cell viability was analyzed using the CCK-8 assay. Cell migration and invasion were analyzed using Transwell and wound healing assays, respectively. The results demonstrated that FOXD2-AS1 was significantly overexpressed in glioma cells, particularly in U251 cells. Knockdown of FOXD2-AS1 in glioma cells significantly inhibited cell proliferation, migration, invasion and epithelial–mesenchymal transition (EMT) and regulated the expression of CDK2, cyclinE1, P21, MMP7 and MMP9. Next, a possible mechanism for these results was explored, and it was observed that FOXD2-AS1 binds to and negatively regulates miR-506-5p, which is known to be a tumor-suppressor gene in certain human cancer types. Furthermore, overexpression of miR-506-5p significantly inhibited cell proliferation, migration, invasion and EMT, and these effects could be reversed by transfecting FOXD2-AS1 into the cells. In conclusion, our data suggested that FOXD2-AS1 contributed to glioma proliferation, metastasis and EMT via competitively binding to miR-506-5p. FOXD2-AS1 may be a promising target for therapy in patients with glioma.

scholarly journals Long Non-Coding RNA PVT1/miR-150/ HIG2 Axis Regulates the Proliferation, Invasion and the Balance of Iron Metabolism of Hepatocellular Carcinoma

2018 ◽  
Vol 49 (4) ◽  
pp. 1403-1419 ◽  
Author(s):  
Yunxiuxiu Xu ◽  
Xinxi Luo ◽  
Wenguang He ◽  
Guangcheng Chen ◽  
Yanshan Li ◽  
...  
Keyword(s):  
Hepatocellular Carcinoma ◽  
Cell Proliferation ◽  
Cell Lines ◽  
Iron Metabolism ◽  
Cell Apoptosis ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Non Coding Rna ◽  
Long Non Coding Rna

Background/Aims: To investigate the biological roles and underlying molecular mechanisms of long non-coding RNA (lncRNA) PVT1 in Hepatocellular carcinoma (HCC). Methods: qRT-PCR was performed to measure the expression of miRNA and mRNA. Western blot was performed to measure the protein expression. CCK-8 assay was performed to determine cell proliferation. Flow cytometry was performed to detect cell apoptosis. Wounding-healing assay and Transwell assay was performed to detect cell migration and invasion. Dual luciferase reporter assay was performed to verify the target relationship. Quantichrom iron assay was performed to check uptake level of cellular iron. Results: PVT1 expression was up-regulated in HCC tissues and cell lines. Function studies revealed that PVT1 knockdown significantly suppressed cell proliferation, migration and invasion, and induced cell apoptosis in vitro. Furthermore, PVT1 could directly bind to microRNA (miR)-150 and down-regulate miR-150 expression. Hypoxia-inducible protein 2 (HIG2) was found to be one target gene of miR-150, and PVT1 knockdown could inhibit the expression of HIG2 through up-regulating miR-150 expression. In addition, the expression of miR-150 was down-regulated, while the expression of HIG2 was up-regulated in HCC tissues and cell lines. Moreover, inhibition of miR-150 could partly reverse the biological effects of PVT1 knockdown on proliferation, motility, apoptosis and iron metabolism in vitro, which might be associated with dysregulation of HIG2. In vivo results showed that PVT1 knockdown suppressed tumorigenesis and iron metabolism disorder by regulating the expression of miR-150 and HIG2. Conclusion: Taken together, the present study demonstrates that PVT1/miR-150/HIG2 axis may lead to a better understanding of HCC pathogenesis and provide potential therapeutic targets for HCC.

scholarly journals Overexpression of Long Non-Coding RNA ZXF2 Promotes Lung Adenocarcinoma Progression Through c-Myc Pathway

2015 ◽  
Vol 35 (6) ◽  
pp. 2360-2370 ◽  
Author(s):  
Ze-Tian Yang ◽  
Zhihong Li ◽  
Xian-Guo Wang ◽  
Tao Tan ◽  
Frank Yi ◽  
...  
Keyword(s):  
Cell Proliferation ◽  
Lung Adenocarcinoma ◽  
Tumor Progression ◽  
Molecular Mechanisms ◽  
A549 Cells ◽  
Potential Interaction ◽  
Migration And Invasion ◽  
Relative Expression Level ◽  
Non Coding Rna ◽  
Long Non Coding Rna

Objective: To investigate the expression of long non-coding RNA ZXF2 in lung adenocarcinoma tissues and its effect on cell proliferation, migration and invasion. Methods: Forty pairs of cancerous and adjacent non-cancerous lung adenocarcinoma specimens were collected for the studies. Quantitative real-time PCR was used to analyze the expression of ZXF2 in tumor tissues and adjacent normal tissues. The expression of ZXF2 was correlated with patients' clinico-pathological data. Molecular pathway controlled by ZXF2 was explored by using small interfering RNA (siRNA) technology. CCK-8 cell proliferation assay, flow cytometry analysis and transwell assays were used to evaluate cell proliferation, migration and invasion. Results: The expression of ZXF2 was 2 fold or higher in 27 out of 40 (67.5%) cases of lung adenocarcinoma specimens than that in non-cancerous tissues (P<0.05). The relative expression level of ZXF2 was positively correlated with tumor lymph node metastasis (χ2=8.485, P<0.05) and poor prognosis of the patients (p=0.0217). In order to explore the molecular mechanisms of ZXF2 mediated tumor progression, ZXF2 expression was inhibited by siRNA in A549 cells, a highly aggressive and metastatic lung adenocarcinoma cell line. We found that siRNA-ZXF2 treatment inhibited cell proliferation (P<0.01) leading to cell cycle arrest (P<0.01). The cell migration and invasion were suppressed by siRNA-ZXF2 treatment (P<0.01). Further biochemical studies revealed that the knockdown of ZXF2 led to down regulation of c-Myc signaling. Conclusion: ZXF2 was overexpressed in lung adenocarcinoma tissues and the high expression of ZXF was closely related to tumor progression through c-Myc related pathway. Given the fact that both ZXF2 and c-Myc are located in the same chromosome 8q24.2 loci, the potential interaction between ZXF2 and c-Myc might be a novel target for treatment of lung adenocarcinoma.

scholarly journals Downregulation of long non-coding RNA ZXF1 restricts cell survival by targeting miR-634-GRB2 in lung adenocarcinoma

2020 ◽  
Author(s):  
Xubin Ren ◽  
Nie Xu ◽  
Yunting Zhang ◽  
Tao Wang
Keyword(s):  
Lung Adenocarcinoma ◽  
Luciferase Reporter ◽  
Normal Tissues ◽  
Non Coding Rna ◽  
Enhanced Expression ◽  
Rna Immunoprecipitation ◽  
Underlying Mechanisms ◽  
First Time ◽  
Long Non Coding Rna

Increasing evidence demonstrates that long non-coding RNAs (lncRNAs) play important regulatory roles in mediating initiation and progression of lung adenocarcinoma (LA), which is one of the most lethal in humans. A previous study reported that lncRNAZXF1 was dysregulated in LA and enhanced expression of ZXF1 promoted the invasion and metastasis in LA. However, the effect of ZXF1 on LA progression and its underlying mechanisms were not thoroughly investigated. In our in vitro experiments, qRT-PCR revealed that the expression level of ZXF1 in LA tissues and tumor cells were significantly higher than that in adjacent normal tissues and normal cells. Furthermore, bioinformatics analysis, luciferase reporter assay, western blot and RNA immunoprecipitation (RIP) assay showed that ZXF1 could directly interact with miR-634, which targets GRB2. Therefore, we propose that ZXF1 could function as an oncogene partly by sponging miR-634 and therefore regulating GRB2 expression in LA. Overall, this study demonstrated, for the first time, that the lncRNA ZXF1/miR-634/GRB2 axis plays crucial roles in modulating LA progression. Moreover, lncRNA ZXF1 might potentially improve LA prognosis and serve as a therapeutic target for the treatment of LA.

scholarly journals Long non-coding RNA MALAT1 regulated ATAD2 to facilitate retinoblastoma progression by sponging miR-655-3p

2020 ◽  
Author(s):  
Yuxin Zhao ◽  
Zhaoxia Wang ◽  
Meili Gao ◽  
Xuehong Wang ◽  
Hui Feng ◽  
...  
Keyword(s):  
Cell Proliferation ◽  
Epithelial Mesenchymal Transition ◽  
B Cell Lymphoma ◽  
Cell Counting ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Western Blot Assay ◽  
Mesenchymal Transition ◽  
Non Coding Rna ◽  
Long Non Coding Rna

Abstract Background: Long non-coding RNA (lncRNA) metastasis associated lung adenocarcinoma transcript 1 (MALAT1) was reported as an oncogene in many tumors including retinoblastoma (RB). This research mainly focused on the functions and mechanism of MALAT1 in RB.Methods: The levels of MALAT1, microRNA-655-3p (miR-655-3p), and ATPase family AAA domain containing 2 (ATAD2) in RB tissues and cells were measured by quantitative real-time polymerase chain reaction (qRT-PCR). The cell viability and apoptotic rate were monitored via cell counting kit 8 (CCK8) assay and flow cytometry, respectively. The protein levels of p21, CyclinD1, B-cell lymphoma-2 (Bcl-2), cleaved-casp-3, E-cadherin, Ncadherin, Vimentin, and ATAD2 were detected by Western blot assay. Transwell assay was performed to estimate the abilities of migration and invasion. The interactions between miR-655-3p and MALAT1 or ATAD2 were predicted by starBase. Dual-luciferase reporter assay was constructed to verify these interactions. The mice model experiments were established to validate the effects of MALAT1 in vivo.Results: MALAT1and ATAD2 were significantly increased while the level of miR-655-3p was remarkably decreased in RB tissues and cells. MALAT1 knockdown inhibited cell proliferation, metastasis, and epithelial-mesenchymal transition (EMT) but promoted apoptosis via miR-655-3p in vitro, and blocked xenograft tumor growth in vivo. MALAT1 was validated to sponge miR-655-3p and ATAD2 was verified as a candidate of miR-655-3p. MiR-655-3p overexpression inhibited cell proliferation but promoted apoptosis by targeting ATAD2. MALAT1 silencing affected cell behaviors by regulating ATAD2. MALAT1 depletion down-regulated ATAD2 expression via miR-655-3p in RB cells.Conclusion: MALAT1 positively regulated ATAD2 to accelerate cell proliferation but retard apoptosis by sponging miR-655-3p in RB cells.

scholarly journals The tsRNAs (tRFdb-3013a And tRFdb-3013b) Serve As Novel Biomarkers For Colon Adenocarcinomas

2021 ◽  
Author(s):  
Xiaoling Wu ◽  
Lihong Tan ◽  
Zhurong Tang ◽  
Chunjie Wen ◽  
Huan Chen ◽  
...  
Keyword(s):  
Cell Proliferation ◽  
Colon Adenocarcinoma ◽  
Bioinformatic Analysis ◽  
Molecular Signature ◽  
Luciferase Reporter ◽  
Migration And Invasion ◽  
Diagnosis And Prognosis ◽  
Adenocarcinoma Cells ◽  
Reporter Assays ◽  
Novel Biomarkers

Abstract Background: The tsRNAs (tRNA-derived small RNAs) are novel class of small non-coding RNAs derived from transfer-RNAs. Colon adenocarcinoma (COAD) are well known malignant intestinal tumors. This study focused on the identification and characterization of tsRNA biomarkers in colon adenocarcinomas. Methods: Data processing, bioinformatic analysis and visualization were performed with R or Python software. The cell proliferation, migration and invasion ability were described by CCK-8 and transwell assays. Luciferase reporter assays were performed to test the binding of tsRNA with its target.Results: With computational approaches, we identified the tsRNA fragments profiles within COAD datasets, and discriminated forty-two differentially expressed tsRNAs between colon adenocarcinomas and non-tumor controls. Among the fragments derived from the 3′ end of mature tRNA-His-GUG (a histidyl-transfer-RNA), tRFdb-3013a and tRFdb-3013b (tRFdb-3013a/b) were significantly decreased in colon adenocarcinomas, especially, tRFdb-3013a/b may tend to down-regulated in the patients with lymphatic or vascular invasion present. The clinical survival of colon adenocarcinomas patients with low tRFdb-3013a/b expression was significantly worse than that of high expression patients. In colon adenocarcinoma cells, tRFdb-3013a could suppressed cell proliferation, and reduced cell migration and invasion ability. The enrichment analyses showed that most of tRFdb-3013a-related genes were enriched in the extracellular matrix associated GO terms, phagosome pathway, and a GSEA molecular signature. Mechanically, the 3′UTR of ST3GAL1 mRNA was predicted to contain the putative binding sites of tRFdb-3013a/b, tRFdb-3013a/b might directly target ST3GAL1 and regulate ST3GAL1 expression in colon adenocarcinomas. Conclusions: These results suggested that tRFdb-3013a and tRFdb-3013b might serve as novel biomarkers for diagnosis and prognosis of colon adenocarcinomas, and play an important role in tumor progression of colon adenocarcinomas.

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