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. 2023 Jun 2;14:1070953. doi: 10.3389/fimmu.2023.1070953

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Copyright © 2023 Wang, Chai, Zhu, Liu, Yu and Huang

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Identification of polyamines metabolism-associated gene signatures for risk score model. (A) Screening of the polyamines metabolism-associated gene signatures for risk score model using the LASSO algorithm. (B) The best log (Lambda) value in the model. (C) Heatmap depicting genes expression distribution and survival status in LUAD patients. (D) Kaplan-Meier plot depicting overall survival of high- and low- risk LUAD patients. (E) Box plot depicting the expression of gene signatures in risk score model. (F) Heatmap depicting the correlation among these gene signatures. Statistical analysis: *P < 0.05, **P < 0.01, and ***P < 0.001.