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1.
Curr Pharm Des ; 30(11): 877-886, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38454763

RESUMO

BACKGROUND: Delayed or missed dosages caused by poor medication compliance significantly affected the treatment of diseases in children. AIMS: The present study aimed to investigate the influence of delayed or missed dosages on sirolimus pharmacokinetics (PK) in pediatric tuberous sclerosis complex (TSC) patients and to recommend remedial dosages for nonadherent patients. METHODS: A published sirolimus population PK model in pediatric TSC patients was used to assess the influence of different nonadherence scenarios and recommend optimally remedial dosages based on Monte Carlo simulation. Thirteen nonadherent scenarios were simulated in this study, including delayed 2h, 4 h, 6 h, 8 h, 10 h, 12 h, 14 h, 16 h, 18 h, 20 h, 22 h, 23.5 h, and missed one dosage. Remedial dosing strategies contained 10-200% of scheduled dosages. The optimal remedial dosage was that with the maximum probability of returning the individual therapeutic range. RESULTS: For delayed or missed sirolimus dosages in pediatric TSC patients, when the delayed time was 0-8 h, 8-10 h, 10-18 h, 18-22.7 h, 22.7-24 h, 70%, 60%, 40%, 30%, 20% scheduled dosages were recommended to take immediately. When one dosage was missed, 120% of scheduled dosages were recommended at the next dose. CONCLUSION: It was the first time to recommend remedial dosages for delayed or missed sirolimus therapy caused by poor medication compliance in pediatric TSC patients based on Monte Carlo simulation. Meanwhile, the present study provided a potential solution for delayed or missed dosages in clinical practice.


Assuntos
Adesão à Medicação , Método de Monte Carlo , Sirolimo , Esclerose Tuberosa , Humanos , Esclerose Tuberosa/tratamento farmacológico , Esclerose Tuberosa/complicações , Sirolimo/administração & dosagem , Sirolimo/farmacocinética , Criança , Relação Dose-Resposta a Droga , Imunossupressores/administração & dosagem , Imunossupressores/farmacocinética , Pré-Escolar , Adolescente
2.
Oncogene ; 39(35): 5768-5781, 2020 08.
Artigo em Inglês | MEDLINE | ID: mdl-32719439

RESUMO

Cumulative evidence suggests that microRNAs (miRNAs) promote gene expression in cancers. However, the pathophysiologic relevance of miRNA-mediated RNA activation in hepatocellular carcinoma (HCC) remains to be established. Our previous miRNA expression profiling in seven-paired HCC specimens revealed miR-93-5p as an HCC-related miRNA. In this study, miR-93-5p expression was assessed in HCC tissues and cell lines by quantitative real-time PCR and fluorescence in situ hybridization. The correlation of miR-93-5p expression with survival and clinicopathological features of HCC was determined by statistical analysis. The function and potential mechanism of miR-93-5p in HCC were further investigated by a series of gain- or loss-of-function experiments in vitro and in vivo. We identified that miR-93-5p, overexpressed in HCC specimens and cell lines, leads to poor outcomes in HCC cases and promotes proliferation, migration, and invasion in HCC cell lines. Mechanistically, rather than decreasing target mRNA levels as expected, miR-93-5p binds to the 3'-untranslated region (UTR) of mitogen-activated protein kinase kinase kinase 2 (MAP3K2) to directly upregulate its expression and downstream p38 and c-Jun N-terminal kinase (JNK) pathway, thereby leading to cell cycle progression in HCC. Notably, we also demonstrated that c-Jun, a downstream effector of the JNK pathway, enhances miR-93-5p transcription by targeting its promoter region. Besides, downregulation of miR-93-5p significantly retarded tumor growth, while overexpression of miR-93-5p accelerated tumor growth in the HCC xenograft mouse model. Altogether, we revealed a miR-93-5p/MAP3K2/c-Jun positive feedback loop to promote HCC progression in vivo and in vitro, representing an RNA-activating role of miR-93-5p in HCC development.


Assuntos
Carcinoma Hepatocelular/metabolismo , Neoplasias Hepáticas/metabolismo , MAP Quinase Quinase Quinase 2/metabolismo , MicroRNAs/metabolismo , Proteínas Proto-Oncogênicas c-jun/metabolismo , Regiões 3' não Traduzidas , Animais , Carcinoma Hepatocelular/genética , Carcinoma Hepatocelular/patologia , Linhagem Celular Tumoral , Movimento Celular/fisiologia , Proliferação de Células/fisiologia , Células Hep G2 , Xenoenxertos , Humanos , Neoplasias Hepáticas/genética , Neoplasias Hepáticas/patologia , MAP Quinase Quinase Quinase 2/biossíntese , MAP Quinase Quinase Quinase 2/genética , Masculino , Camundongos , Camundongos Nus , MicroRNAs/genética , Invasividade Neoplásica , Fosforilação , Regiões Promotoras Genéticas , Proteínas Proto-Oncogênicas c-jun/genética , Transfecção , Regulação para Cima
3.
Ann Surg Oncol ; 27(5): 1546-1557, 2020 May.
Artigo em Inglês | MEDLINE | ID: mdl-32157528

RESUMO

BACKGROUND: The mechanistic target of rapamycin (mTOR) pathway, containing mTOR complex 1 (mTORC1) and mTORC2, is dysregulated in multiple cancers, including hepatocellular carcinoma (HCC). Mammalian lethal with sec-13 protein 8 (mLST8) is a shared constituent of both mTORC1 and mTORC2, yet little is known regarding its role in HCC development. METHODS: mLST8 expression was detected in a total of 186 pairs of HCC and adjacent non-tumor specimens. The correlation between mLST8 level and clinicopathological features or prognostic significance were analyzed. The role of mLST8 on biological functions was also preliminarily studied. RESULTS: The study revealed that the mLST8 level was dramatically higher in HCC specimens than in adjacent non-tumor specimens. mLST8 overexpression positively correlated with tumor size, differentiation, and vessel invasion. Cases with elevated mLST8 level had more unfavorable overall survival (OS) and disease-free survival (DFS) than those with downregulated mLST8 level. Multivariate analysis demonstrated that mLST8 upregulation was an independent predictive marker for OS and DFS. Calibration curves from nomogram models indicated an excellent coherence between nomogram prediction and actual situation. Decision curve analysis proved that mLST8-based nomograms presented much higher predictive accuracy when compared with conventional clinical staging systems. Mechanistically, mLST8 enhanced cell proliferation and invasion through the AKT (protein kinase B) pathway. CONCLUSIONS: Our study demonstrates that mLST8 exerts an oncogenic role in HCC and may become a promising prognostic biomarker and therapeutic target for HCC patients.


Assuntos
Carcinoma Hepatocelular/genética , Carcinoma Hepatocelular/patologia , Neoplasias Hepáticas/genética , Neoplasias Hepáticas/patologia , Homólogo LST8 da Proteína Associada a mTOR/genética , Adulto , Idoso , Idoso de 80 Anos ou mais , Biomarcadores Tumorais , Linhagem Celular Tumoral , Proliferação de Células/genética , Progressão da Doença , Intervalo Livre de Doença , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Nomogramas , Prognóstico , Regulação para Cima , Adulto Jovem
4.
J Cell Biochem ; 121(4): 2938-2949, 2020 04.
Artigo em Inglês | MEDLINE | ID: mdl-31692072

RESUMO

BACKGROUND: Calcium-binding tyrosine phosphorylation-regulated protein (CABYR) is a group of isoforms produced by alternative splicing and is overexpressed in human malignancies including hepatocellular carcinoma (HCC). However, the prognostic value and biological functions of its major protein isoforms, named CABYR-a/b (combined CABYR-a and CABYR-b), in HCC remain to be established. METHODS: CABYR-a/b expression was detected in HCC tissues and cell lines by quantitative real-time polymerase chain reaction and Western blot analysis. The correlation of CABYR-a/b expression with clinical characteristics and its prognosis impact were determined by statistical analysis. Finally, the biological functions and molecular mechanism of CABYR-a/b were also investigated using molecular biology approaches. RESULTS: The present research found that CABYR-a/b was markedly elevated in HCC specimens and cell lines. Upregulated CABYR-a/b level had positive association with tumor size and differentiation in patients. Moreover, cases with elevated CABYR-a/b level had poorer overall survival (OS) and disease-free survival (DFS) than those with reduced CABYR-a/b level. Multivariate analysis and prognostic nomograms demonstrated that CABYR-a/b overexpression was an independent predictive indicator for OS and DFS. The calibration curve for the odds of OS and DFS demonstrated that the prediction by nomograms was in excellent accordance with actual situation. CABYR-a/b downregulation suppressed cell proliferation and induced G1-phase arrest via decreasing cyclin D1 and cyclin dependent kinase 4, while promoted apoptosis by reducing B-cell lymphoma 2 (Bcl-2) and increasing Bcl-2-associated death promoter. CONCLUSION: Our research indicates that CABYR-a/b exerts an oncogenic effect on HCC development and may become a new prognostic indicator for patients with HCC.


Assuntos
Apoptose , Proteínas de Ligação ao Cálcio , Cálcio/metabolismo , Carcinoma Hepatocelular/metabolismo , Neoplasias Hepáticas/metabolismo , Tirosina/química , Idoso , Processamento Alternativo , Biomarcadores Tumorais/metabolismo , Proteínas de Ligação ao Cálcio/metabolismo , Carcinoma Hepatocelular/diagnóstico , Diferenciação Celular , Linhagem Celular Tumoral , Proliferação de Células , Ciclina D1/metabolismo , Quinase 4 Dependente de Ciclina/metabolismo , Intervalo Livre de Doença , Feminino , Regulação Neoplásica da Expressão Gênica , Humanos , Neoplasias Hepáticas/diagnóstico , Masculino , Pessoa de Meia-Idade , Fosforilação , Prognóstico , Ligação Proteica , Isoformas de Proteínas , Proteínas Proto-Oncogênicas c-bcl-2/metabolismo , RNA Interferente Pequeno/metabolismo , Resultado do Tratamento
5.
Cancer Manag Res ; 11: 8359-8370, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31571992

RESUMO

BACKGROUND: Growing evidence suggests that the ubiquitin-proteasome system is involved in the pathogenesis and recurrence of hepatocellular carcinoma (HCC); yet, little is known about the role of ubiquitin-conjugating enzyme E2T (UBE2T) in HCC. MATERIALS AND METHODS: UBE2T levels were detected in HCC tissues and hepatoma cell lines using quantitative reserve transcriptase-polymerase chain reaction and Western blot analysis. Next, the changes of phenotypes after UBE2T knockdown or overexpression were evaluated using in vitro methods. Finally, the mechanism of UBE2T in HCC was tested using ex vivo and in vivo methods. RESULTS: In the present study, we reported that UBE2T mRNA and protein levels were significantly upregulated in HCC tissues compared to adjacent non-tumor tissues. Additionally, suppression of UBE2T expression inhibited proliferation, colony formation, tumorigenesis, migration, and invasion of hepatoma cells, whereas UBE2T overexpression led to the opposite outcomes. Moreover, suppression of UBE2T expression resulted in an increase in G2/M phase and a decrease in the percentage of cells in G1 phase, which indicated a cell cycle arrest at the G2/M phase. In contrast, the percentage of cells in G2/M phase decreased following UBE2T overexpression. Further study indicated that UBE2T regulated the G2/M transition by modulating cyclin B1 and cyclin-dependent kinase 1. CONCLUSION: Taken together, the findings of the present study uncover biological functions of UBE2T in hepatoma cells, and delineate preliminary molecular mechanisms of UBE2T in modulating HCC development and progression.

6.
Int J Mol Med ; 44(5): 1844-1854, 2019 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-31485608

RESUMO

Long non­coding RNAs (lncRNAs) have been shown to contribute to progression and prognosis of hepatocellular carcinoma (HCC). However, expression profiling and interaction of lncRNAs with messenger RNAs (mRNAs) and microRNAs (miRNAs) remain largely unknown in HCC. The expression profiling of lncRNAs, mRNA and miRNAs was obtained using microarray. The Gene Ontology (GO) enrichment and Kyoto Encyclopedia of Genes and Genomes pathway analysis were used to characterize potential functions of differentially expressed mRNAs. Cytoscape was applied to construct an lncRNA­miRNA­mRNA co­expression network and candidate lncRNAs were validated via quantitative PCR in 30 pairs of HCC and adjacent tumor­free tissues. In this study, 1,056 upregulated and 1,288 downregulated lncRNAs were identified, while 2,687 mRNAs and 6 miRNAs were aberrantly expressed in HCC compared with adjacent tumor­free tissues. Potential functions of differentially expressed mRNAs were demonstrated to significantly participate in modulating critical genes in the cell cycle, such as cyclin E1 and cyclin B2. After screening, 95 lncRNAs, 5 miRNAs and 36 mRNAs were recruited for construction of lncRNA­mRNA­miRNA co­expression network in the cell cycle pathway. Subsequently, the top 5 lncRNAs that potentially modulate critical genes in the cell cycle were selected as the candidates for further verification. Kaplan­Meier curves using the Cancer Genome Atlas database showed that 13 targeted mRNAs were associated with overall survival of HCC patients. Finally, three lncRNAs, including ENST00000522221, lnc­HACE1­6:1 and lnc­ICOSLG­11:1, are significantly upregulated in HCC tissues compared with adjacent tumor­free tissues. These findings suggest that lncRNAs play essential roles in the pathogenesis of HCC via regulating coding genes and miRNAs, and may be important targets for diagnosis and treatment of this disease.


Assuntos
Carcinoma Hepatocelular/genética , Ciclo Celular/genética , Regulação Neoplásica da Expressão Gênica/genética , Neoplasias Hepáticas/genética , MicroRNAs/genética , RNA Longo não Codificante/genética , RNA Mensageiro/genética , Ontologia Genética , Humanos , Estimativa de Kaplan-Meier , Masculino , Pessoa de Meia-Idade
7.
Cancer Manag Res ; 11: 2927-2934, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31114341

RESUMO

Background: Aberrant expression of pepsinogen C (PGC) has been observed in human cancers. However, its role in hepatocellular carcinoma (HCC) remains to be established. The goal of this study is to illustrate PGC expression and to evaluate its clinical relevance in HCC. Materials and methods: PGC expression was examined in 75 pairs of HCC and adjacent non-tumor tissues using tissue microarray. The correlations between its expression and clinical parameters were also analyzed. Results: PGC overexpression was significantly associated with larger tumor size (≥5 cm; P=0.017) and incomplete encapsulation (P<0.0001). Cox regression model demonstrated that PGC expression and tumor size were independent prognostic factors for overall survival (OS) and disease-free survival (DFS) in HCC. The subgroup analysis by Kaplan-Meier uncovered that OS and DFS were much worse in high PGC level group than in low PGC level group with large tumor size subgroup, while no difference of OS was noted between the two groups with low tumor size subgroup. Conclusion: PGC plays a tumorigenesis role in HCC progression, which may lead to a novel insight to the potential biomarker and novel therapeutic strategies for HCC patients.

8.
Biomed Pharmacother ; 105: 1147-1154, 2018 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-30021351

RESUMO

microRNA-19a-3p (miR-19a-3p) has been reported to regulate cell proliferation in hepatocellular carcinoma (HCC), but its role in HCC metastasis remains unknown. In this study, miR-19a-3p was noted to be upregulated in HCC specimens and cell lines. Aberrant expression of miR-19a-3p stimulated HCC cell metastasis, and phosphatase and tensin homolog (PTEN) was shown to be a direct target of miR-19a-3p. miR-19a-3p-mediated HCC metastasis was reversed by restoration of PTEN or could be imitated by silencing of PTEN. Modulation of miR-19a-3p also altered expression of phosphorylated Akt, a downstream mediator of PTEN. Moreover, aberrant expression of miR-19a-3p induced sorafenib resistance by regulating the PTEN/Akt pathway. In conclusion, ectopic expression of miR-19a-3p contributes to HCC metastasis and chemoresistance by modulating PTEN expression and the PTEN-dependent pathways.


Assuntos
Carcinoma Hepatocelular/metabolismo , Resistencia a Medicamentos Antineoplásicos/fisiologia , Neoplasias Hepáticas/metabolismo , MicroRNAs/biossíntese , PTEN Fosfo-Hidrolase/metabolismo , Proteínas Proto-Oncogênicas c-akt/metabolismo , Carcinoma Hepatocelular/genética , Carcinoma Hepatocelular/patologia , Linhagem Celular Tumoral , Regulação Neoplásica da Expressão Gênica , Hepatócitos/metabolismo , Hepatócitos/patologia , Humanos , Neoplasias Hepáticas/genética , Neoplasias Hepáticas/patologia , MicroRNAs/genética , Transdução de Sinais/fisiologia
9.
Tohoku J Exp Med ; 245(2): 89-98, 2018 06.
Artigo em Inglês | MEDLINE | ID: mdl-29899182

RESUMO

Hepatocellular carcinoma (HCC) remains a major health problem for delayed diagnosis, inefficient surveillance and poor prognosis. Recent studies have indicated that non-coding RNAs contribute to the development of new strategies for diagnosis and treatment of HCC. In the present study, we employed 18 pairs of HCC and matched non-tumor tissues for the identification of differentially expressed microRNAs (miRNAs) in HCC, among which 7 paired specimens were selected randomly for microarray detection. Totally, twenty-three miRNAs were screened out to have statistically significant differences with the threshold of P < 0.01 and fold-change ≥ 2.0 or ≤ 0.5 using miRNA microarray. In the validation stage, two miRNAs exhibited higher expression levels in the HCC tissues compared with those in the matched non-tumor tissues, whereas the expression levels of ten miRNAs were lower in the HCC tissues than those in the matched non-tumor tissues. In further analysis, eight miRNAs, including miR-4270, miR-125b-5p, miR-199a-3p, miR-10a-5p, miR-424-5p, miR-195-5p, miR-106b-5p and miR-3651, were retained, when another constraint about the signal intensity of microarray probes was established. Among these miRNAs, our study was the first to show the higher expression level of miR-3651 and the lower expression level of miR-4270 in HCC. The areas under the receiver-operating-characteristic curve values of miR-3651 and miR-4270 were 0.730 and 0.967, respectively, indicating their potential diagnostic values. Our results may help provide the context for expanded interpretations of miRNA studies involved in the progression of liver disease, potentially serving as a diagnostic tool of HCC.


Assuntos
Biomarcadores Tumorais/genética , Carcinoma Hepatocelular/genética , Perfilação da Expressão Gênica , Regulação Neoplásica da Expressão Gênica , Neoplasias Hepáticas/genética , MicroRNAs/genética , Adulto , Idoso , Área Sob a Curva , Biomarcadores Tumorais/metabolismo , Feminino , Humanos , Masculino , MicroRNAs/metabolismo , Pessoa de Meia-Idade , Análise de Sequência com Séries de Oligonucleotídeos , Reprodutibilidade dos Testes , Sensibilidade e Especificidade
10.
Cancer Lett ; 400: 175-182, 2017 08 01.
Artigo em Inglês | MEDLINE | ID: mdl-28461246

RESUMO

Hepatocellular carcinoma (HCC) is the sixth most common cancer and the third leading cause of cancer-related death worldwide. However, current strategies curing HCC are far from satisfaction. The Hippo pathway is an evolutionarily conserved tumor suppressive pathway that plays crucial roles in organ size control and tissue homeostasis. Its dysregulation is commonly observed in various types of cancer including HCC. Recently, the prominent role of non-coding RNAs in the Hippo pathway during normal development and neoplastic progression is also emerging in liver. Thus, further investigation into the regulatory network between non-coding RNAs and the Hippo pathway and their connections with HCC may provide new therapeutic avenues towards developing an effective preventative or perhaps curative treatment for HCC. Herein we summarize the role of non-coding RNAs in the Hippo pathway, with an emphasis on their contribution to carcinogenesis, diagnosis, treatment and prognosis of HCC.


Assuntos
Carcinoma Hepatocelular/genética , Neoplasias Hepáticas/genética , Proteínas Serina-Treonina Quinases/genética , RNA não Traduzido/genética , Animais , Biomarcadores Tumorais/genética , Biomarcadores Tumorais/metabolismo , Carcinoma Hepatocelular/metabolismo , Carcinoma Hepatocelular/patologia , Carcinoma Hepatocelular/terapia , Transformação Celular Neoplásica/genética , Transformação Celular Neoplásica/metabolismo , Transformação Celular Neoplásica/patologia , Regulação Neoplásica da Expressão Gênica , Via de Sinalização Hippo , Humanos , Neoplasias Hepáticas/metabolismo , Neoplasias Hepáticas/patologia , Neoplasias Hepáticas/terapia , Técnicas de Diagnóstico Molecular , Valor Preditivo dos Testes , Prognóstico , Proteínas Serina-Treonina Quinases/metabolismo , RNA não Traduzido/metabolismo , Transdução de Sinais
11.
J Cancer Res Clin Oncol ; 142(11): 2309-17, 2016 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-27601163

RESUMO

PURPOSE: Aberrant expression of eukaryotic initiation factor 4E (eIF4E) has been observed in human malignancies. However, its role in hepatocellular carcinoma (HCC) remains to be established. The purpose of this study was to detect eIF4E expression and to evaluate its clinical relevance. METHODS: The eIF4E expression was studied in ninety HCC and randomly selected thirty-one non-tumor tissues from the same patient cohort, as well as in normal hepatic and HCC cell lines. The relation between its expression and clinicopathological parameters was also analyzed. RESULTS: eIF4E expression was higher in HCC samples and cell lines compared with that in non-tumor tissues (P < 0.001) and hepatocyte LO2, respectively. eIF4E overexpression was significantly associated with tumor number (P = 0.005) and incomplete encapsulation (P = 0.001). The 5-year overall survival rate and disease-free survival rate for patients with high eIF4E expression were 32.5 and 31.2 %, respectively; and for low eIF4E expression, it was 67.9 and 64.4 %, respectively (P < 0.001). Furthermore, subgroup analysis showed that high eIF4E level predicted poorer overall survival only for incomplete encapsulation (P = 0.001) and cirrhosis (P < 0.001), but not for complete encapsulation (P = 0.804) and non-cirrhosis (P = 0.359). Multivariate analysis revealed that eIF4E overexpression was an independent indicator for both overall survival (hazard ratio, 2.015; P = 0.043) and disease-free survival (hazard ratio, 2.666; P = 0.006). CONCLUSIONS: eIF4E protein might result in the malignant progression of HCC, and its overexpression may be a powerful prognostic biomarker and therapeutic target for HCC patients.


Assuntos
Carcinoma Hepatocelular/metabolismo , Neoplasias Hepáticas/metabolismo , Proteínas de Transporte Nucleocitoplasmático/metabolismo , Carcinoma Hepatocelular/patologia , Linhagem Celular Tumoral , Progressão da Doença , Feminino , Humanos , Imuno-Histoquímica , Estimativa de Kaplan-Meier , Neoplasias Hepáticas/patologia , Masculino , Pessoa de Meia-Idade , Recidiva Local de Neoplasia/metabolismo , Recidiva Local de Neoplasia/patologia , Proteínas de Transporte Nucleocitoplasmático/biossíntese , Prognóstico , Taxa de Sobrevida , Análise Serial de Tecidos , Regulação para Cima
12.
Oncol Lett ; 8(2): 523-532, 2014 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-25013465

RESUMO

In order to investigate the pathogenic mechanisms of parvovirus B19 in human colorectal cancer, plasmids containing the VP1 or VP2 viral capsid proteins or the NS1 non-structural proteins of parvovirus B19 were constructed and transfected into primary human colorectal epithelial cells and LoVo cells. Differential gene expression was detected using a human genome expression array. Functional gene annotation analyses were performed using Database for Annotation, Visualization and Integrated Discovery v6.7 software. Gene ontology (GO) analyses revealed that VP1-related functions included the immune response, immune system process, defense response and the response to stimulus, while NS1-associated functions were found to include organelle fission, nuclear division, mitosis, the M-phase of the mitotic cell cycle, the mitotic cell cycle, M-phase, cell cycle phase, cell cycle process and cell division. Pathway expression analysis revealed that VP1-associated pathways included cell adhesion molecules, antigen processing and presentation, cytokines and the inflammatory response. Moreover, NS1-associated pathways included the cell cycle, pathways in cancer, colorectal cancer, the wnt signaling pathway and focal adhesion. Among the differential genes detected in the present study, 12 genes were found to participate in general cancer pathways and six genes were observed to participate in colorectal cancer pathways. NS1 is a key molecule in the pathogenic mechanism of parvovirus B19 in colorectal cancer. Several GO categories, pathways and genes were selected and may be the key targets through which parvovirus B19 participates in colorectal cancer pathogenesis.

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