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Signature of m5C-Related lncRNA for Prognostic Prediction and Immune Responses in Pancreatic Cancer.


ABSTRACT:

Background

Pancreatic cancer (PC) has a high mortality and dismal prognosis, predicting to be the second most lethal malignancy. 5-Methylcytosine (m5C) and long noncoding RNAs (lncRNAs) are both crucial in the prognostic outcome and immunotherapeutic effect for PC patients. Therefore, we aimed to create an m5C-related lncRNA signature (m5C-LS) for PC patients' prognosis and treatment.

Methods

Clinicopathological information and RNAseq data were acquired from The Cancer Genome Atlas (TCGA) database. Pearson's correlation analysis was used to extract m5C-related lncRNAs in PC. Univariate, least absolute shrinkage and selection operator (LASSO), and multivariate Cox analyses were adopted to build an m5C-LS. Kaplan-Meier (K-M), principal component analysis (PCA), and nomogram were utilized to assess model accuracy. In addition, we explored the model's possible immunotherapeutic responses and drug sensitivity targets.

Results

Three m5C-related lncRNAs were finally established to construct the risk signature, which has a good and independent predictive ability for PC patients. Based on the m5C-LS, patients were classified into the low- and high-m5C-LS group, with the latter having a worse prognosis. Furthermore, the m5C-LS allowed us to better discriminate the immunotherapeutic responses of PC patients in different subgroups.

Conclusions

Our study constructed an m5C-LS and established a nomogram model that accurately predicted the prognosis of PC patients, as well as provides promising immunotherapeutic strategies in the future.

SUBMITTER: Liu X 

PROVIDER: S-EPMC8863480 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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Publications

Signature of m5C-Related lncRNA for Prognostic Prediction and Immune Responses in Pancreatic Cancer.

Liu Xiangrong X   Wang Dan D   Han Shiyu S   Wang Fang F   Zang Jinfeng J   Xu Caifeng C   Dong Xue X  

Journal of oncology 20220215


<h4>Background</h4>Pancreatic cancer (PC) has a high mortality and dismal prognosis, predicting to be the second most lethal malignancy. 5-Methylcytosine (m5C) and long noncoding RNAs (lncRNAs) are both crucial in the prognostic outcome and immunotherapeutic effect for PC patients. Therefore, we aimed to create an m5C-related lncRNA signature (m5C-LS) for PC patients' prognosis and treatment.<h4>Methods</h4>Clinicopathological information and RNAseq data were acquired from The Cancer Genome Atla  ...[more]

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