The crosstalk between non-coding RNA polymorphisms and resistance to lung cancer therapies

Mollazadeh, Samaneh; Abdolahzadeh, Negar; Moghbeli, Meysam; Arab, Fatemeh; Saburi, Ehsan

doi:10.1016/j.heliyon.2023.e20652

Cited by 1 publication

(1 citation statement)

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“…miRNAs can target lncRNAs, leading to their degradation or repression, while lncRNAs can function as “sponges” or competitive endogenous RNAs (ceRNAs) to sequester miRNAs, thereby modulating the availability and function of miRNAs. This interplay between miRNAs and lncRNAs creates complex regulatory mechanisms that can influence cancer-related gene expression programs [ 21 , 22 ].…”

Section: Introductionmentioning

confidence: 99%

HAMP predicts a pivotal role in modulating the malignant behaviors of non-small cell lung cancer cells

Li,

Liu,

Wang

et al. 2024

Aging

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Background: Hepcidin antimicrobial peptide (HAMP) is a small peptide hormone recognized for its role in iron metabolism and cancer treatment. The purpose of this study was to examine the influence of HAMP in NSCLC. Methods: The profile of NSCLC cells and tissues was characterized via HAMP. Gain-or loss-of-function cell models of HAMP were constructed, and CCK8, colony formation, and Transwell analyses were used to confirm the influence of HAMP on NSCLC cells. Upstream and downstream HAMP mechanisms in NSCLC were also analysed. Dual-luciferase reporter and pull-down assays confirmed the associations of miR-873-5p with HAMP, miR-873-5p, and the lncRNA KCNQ1OT1/SNHG14/XIST. Moreover, a xenograft model was established in nude mice for confirming the role of HAMP in NSCLC cell growth. Results: In addition, HAMP expression increased in NSCLC cells and tissues. In terms of cellular functions, the HAMP-overexpressing group exhibited elevated NSCLC cell proliferation, invasion, and migration. HAMP knockdown reversed these changes. Bioinformatics analysis indicated that miR-873-5p targeted HAMP, which affected the nuclear factor kappa B (NF-κB) pathway in NSCLC. HAMP activated the NF-κB pathway, which was negatively modulated by miR-873-5p. NF-κB inhibitor JSH-23 can partly suppress the proliferation, invasion, and migration in HAMP-overexpressed cells. Moreover, miR-873-5p was the target miRNA of long noncoding RNAs (lncRNAs), which included KCNQ1OT1, SNHG14, and XIST, and these three lncRNAs promoted HAMP. Conclusion: Noncoding RNA-mediated HAMP promotes NSCLC cell proliferation, migration, and invasion by initiating the NF-κB pathway.

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Section: Introductionmentioning

confidence: 99%