OncoTargets and therapyPub Date : 2024-11-03eCollection Date: 2024-01-01DOI: 10.2147/OTT.S465636
Yu Sun, Jiaxuan Sun, Xiaona Gao, Tiefeng Shi, Maoqing Wang
{"title":"Identification of Potential Biomarkers in Papillary Thyroid Carcinoma Based on Proteomics.","authors":"Yu Sun, Jiaxuan Sun, Xiaona Gao, Tiefeng Shi, Maoqing Wang","doi":"10.2147/OTT.S465636","DOIUrl":"https://doi.org/10.2147/OTT.S465636","url":null,"abstract":"<p><strong>Background: </strong>To identify biomarkers of papillary thyroid carcinoma (PTC) and explore the possible pathogenic mechanism.</p><p><strong>Methods: </strong>This study included five patients with PTC. Protein expression of cancer tissues and adjacent normal thyroid tissues from each patient were analyzed by TMT proteomics technology. Differentially expressed proteins were identified, and functional annotation of differentially expressed proteins was performed by bioinformatics and pathway enrichment analysis.</p><p><strong>Results: </strong>A total of 639 differentially expressed proteins were identified, including 278 upregulated and 361 downregulated proteins. Six upregulated proteins were identified as potential specific markers of PTC.</p><p><strong>Conclusion: </strong>Differentially expressed proteins may represent new molecular markers of PTC. These differentially expressed proteins and the related pathways may provide new insights into the pathogenic mechanisms of PTC.</p>","PeriodicalId":19534,"journal":{"name":"OncoTargets and therapy","volume":"17 ","pages":"905-923"},"PeriodicalIF":2.7,"publicationDate":"2024-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11542476/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142605878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
OncoTargets and therapyPub Date : 2024-11-02eCollection Date: 2024-01-01DOI: 10.2147/OTT.S476179
Rong Xu, Yuhan Chen, Shicai Wei, Jun Chen
{"title":"Comprehensive Pan-Cancer Analysis of the Prognostic Role of KLF Transcription Factor 2 (KLF2) in Human Tumors.","authors":"Rong Xu, Yuhan Chen, Shicai Wei, Jun Chen","doi":"10.2147/OTT.S476179","DOIUrl":"10.2147/OTT.S476179","url":null,"abstract":"<p><strong>Background: </strong>KLF2 is a transcription factor expressed early in mammalian development that plays a role in many processes of development and disease. Recently, increasing studies revealed that KLF2 plays a key role in the occurrence and progression of cancer.</p><p><strong>Purpose: </strong>The aim of this study was to explore the role of KLF2 in various tumor types using the Cancer Genome Atlas dataset.</p><p><strong>Methods: </strong>Here, we set out to explore the role of KLF2 in 33 tumor types using TCGA (The Cancer Genome Atlas), GEO (Gene Expression Omnibus) dataset, Human Protein Atlas (HPA), UALCAN database, CancerSEA, GSCALite and several bioinformatic tools. Furthermore, we also performed immunohistochemistry and qPCR to further validate the role of KLF2 in multiple cancers and its correlation with prognosis.</p><p><strong>Results: </strong>We found that KLF2 was underexpressed in most tumors and generally predicted poor OS in tumor patients. We found that amplification of KLF2 may be a risk factor for patients with OV (Ovarian serous cystadenocarcinoma). We also analyzed the abundance of checkpoints and markers of specific immune subsets including CD8+ T lymphocytes (T cells), CD4+ T cells, macrophages, and endothelial cells that significantly correlated with the expression level of KLF2 in pan-carcinoma tissues. In some cancers, KLF2 expression levels are positively correlated with gene promoter DNA methylation and drug sensitivity. In addition, we found that KLF2 is involved in single-cell level cell invasion in some cancers. In addition, KLF2 is co-expressed with several intracellular signal transduction genes involved in immune system processes. Immunohistochemistry and qPCR confirmed the low expression of KLF2 in STAD (stomach adenocarcinoma) and renal cancer.</p><p><strong>Conclusion: </strong>Our pan-cancer analysis provides a comprehensive overview of the oncogenic roles of KLF2 in multiple human cancers and can be regarded as a potential prognostic marker and a novel target for cancer immunotherapy.</p>","PeriodicalId":19534,"journal":{"name":"OncoTargets and therapy","volume":"17 ","pages":"887-904"},"PeriodicalIF":2.7,"publicationDate":"2024-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11539754/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142589249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
OncoTargets and therapyPub Date : 2024-11-02eCollection Date: 2024-01-01DOI: 10.2147/OTT.S483753
Guillermo Valencia, Katia Roque, Patricia Rioja, José Andrés Huamán, Valeria Colomo, Jorge Sánchez, Cindy Calle, Raúl Mantilla, Zaida Morante, Hugo Fuentes, Tatiana Vidaurre, Silvia Neciosup, Ramon Andrade De Mello, Henry L Gómez, Amaya B Fernández-Díaz, Alfonso Berrocal, Carlos Castaneda
{"title":"Impact on Survival with Immunotherapy and Evaluation of Biomarkers in Peruvian Patients with Advanced Melanoma.","authors":"Guillermo Valencia, Katia Roque, Patricia Rioja, José Andrés Huamán, Valeria Colomo, Jorge Sánchez, Cindy Calle, Raúl Mantilla, Zaida Morante, Hugo Fuentes, Tatiana Vidaurre, Silvia Neciosup, Ramon Andrade De Mello, Henry L Gómez, Amaya B Fernández-Díaz, Alfonso Berrocal, Carlos Castaneda","doi":"10.2147/OTT.S483753","DOIUrl":"10.2147/OTT.S483753","url":null,"abstract":"<p><strong>Introduction: </strong>Advanced malignant melanoma is a very aggressive disease, historically with poor prognosis before the new advances with immunotherapy and targeted therapies that have changed the standard of care, especially in cutaneous melanoma. Peru has aggressive features such as higher rates of acral lentiginous melanoma (ALM) subtype with historically shorter survival.</p><p><strong>Methods: </strong>This study describes Peruvian patients with advanced melanoma treated with immunotherapy (nivolumab) in two oncological institutions (public and private), including the discussion of the impact on overall survival (OS) divided by subtype (with incidence in ALM histology) and potential biomarkers that could be related to prognosis.</p><p><strong>Results: </strong>We found that immunotherapy is safe, and improves progression-free survival (PFS), OS and objective response rate (ORR) in our patients, with lower benefit in ALM histology. No prognostic blood inflammatory biomarkers were detected.</p><p><strong>Discussion: </strong>There is very limited data of Peruvian patients with metastatic melanoma treated with immunotherapy, especially the outcomes in ALM histology. Our goal is to share an example of the impact of immunotherapy in a Latin American (LATAM) population considered as an unsatisfied group with an enormous need of novel treatments and biomarkers.</p>","PeriodicalId":19534,"journal":{"name":"OncoTargets and therapy","volume":"17 ","pages":"871-886"},"PeriodicalIF":2.7,"publicationDate":"2024-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11540283/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142589621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
OncoTargets and therapyPub Date : 2024-10-29eCollection Date: 2024-01-01DOI: 10.2147/OTT.S483155
Yen-Hao Chen, Yu-Ting Huang, Fang-Ying Kuo
{"title":"Tepotinib in Cholangiocarcinoma with MET Amplification: A Case Report.","authors":"Yen-Hao Chen, Yu-Ting Huang, Fang-Ying Kuo","doi":"10.2147/OTT.S483155","DOIUrl":"10.2147/OTT.S483155","url":null,"abstract":"<p><p>Cholangiocarcinoma is a malignant tumor that affects the bile ducts and is usually aggressive with poor prognosis. The treatment of cholangiocarcinoma depends on the stage and location of the tumor as well as the patient's overall health status. Systemic therapy, such as chemotherapy using gemcitabine and cisplatin, is the first choice for patients with cholangiocarcinoma who were inoperable. After no response to first-line chemotherapy, second-line chemotherapy or targeted therapy focusing on signaling pathway inhibition are subsequent treatment. The present report described a case of cholangiocarcinoma involving bilateral lobes of liver. He received one cycle of chemotherapy with gemcitabine plus cisplatin and exhibited rapid progression. Next-generation sequencing was performed, and the results showed that MET amplification had a gene copy number of 68. After that, he underwent tepotinib and tumor shrinkage occurred. After a follow‑up period of 12 months, the treatment response was partial response, and the benefit of tepotinib is ongoing. The development of precision medicine has expanded the paradigm of targeted therapies to increasingly favorable options in the second line and beyond, and prolong overall survival. Detecting druggable mutations (mutations potentially amenable to treatment with) for identifying a landscape of therapeutic options is imperative for managing cholangiocarcinoma.</p>","PeriodicalId":19534,"journal":{"name":"OncoTargets and therapy","volume":"17 ","pages":"857-861"},"PeriodicalIF":2.7,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11531238/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142567967","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Pilot Feasibility and Safety Study of Hydrogen Gas Inhalation in Locally Advanced Head and Neck Cancer Patients.","authors":"Imjai Chitapanarux, Wimrak Onchan, Somvilai Chakrabandhu, Pooriwat Muangwong, Narongchai Autsavapromporn, Tapanut Ariyanon, Junji Akagi, Akira Mizoo","doi":"10.2147/OTT.S478613","DOIUrl":"10.2147/OTT.S478613","url":null,"abstract":"<p><strong>Purpose: </strong>Hydrogen (H<sub>2</sub>) gas inhalation might alleviate acute radiotherapy toxicities by scavenging free radicals produced by ionizing radiation and anti-inflammatory properties. This study aimed to investigate the feasibility and safety of H<sub>2</sub> gas inhalation during concurrent chemoradiotherapy (CCRT) in patients with locally advanced head and neck cancer (LAHNC).</p><p><strong>Patients and methods: </strong>We designed a pilot prospective study combining CCRT with aerosol inhalation of H<sub>2</sub> gas. Each patient was scheduled to receive daily intensity-modulated radiotherapy (IMRT) in 33 fractions on a weekday and six cycles of weekly chemotherapy. All patients inhaled H<sub>2</sub> gas through a cannula or mask 1 hour per day, 1-2 hours before IMRT. The primary endpoint was the feasibility of H<sub>2</sub> inhalation. Eighty percent of the patients who completed at least 20 applications of H<sub>2</sub> gas inhalation were considered feasible. The secondary endpoints were safety profiles during H<sub>2</sub> gas inhalation (vital signs and symptoms related to H<sub>2</sub> gas inhalation) and acute toxicities during CCRT.</p><p><strong>Results: </strong>We enrolled 10 patients with LAHNC between July 2023 and December 2023. All patients received 33 fractions of H<sub>2</sub> gas inhalation on the same day as the IMRT. Vital signs during and at the end of H<sub>2</sub> gas inhalation were stable in all patients. None of the 10 patients had hypertension or hypotension during any of the 33 inhalations. No adverse events related to H<sub>2</sub> gas inhalation, such as cough, nasal bleeding, dizziness, headache, nausea, or vomiting, were reported. Grade 3 leukopenia was found in two patients (20%) during the 5th week of CCRT. Grade 2 radiation dermatitis and pharyngitis were found in three patients (30%).</p><p><strong>Conclusion: </strong>H<sub>2</sub> gas inhalation combined with CCRT is feasible and safe for patients with LAHNC.</p>","PeriodicalId":19534,"journal":{"name":"OncoTargets and therapy","volume":"17 ","pages":"863-870"},"PeriodicalIF":2.7,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11531231/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142567921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Exploring Potential Biomarkers and Molecular Mechanisms of Cutaneous Squamous Cell Carcinoma Based on Bioinformatics.","authors":"Jiayue Qi, Qingqing Guo, Jia Bai, Xiaoqiang Liang, Wenwei Zhu, Chengxin Li, Fang Xie","doi":"10.2147/OTT.S468399","DOIUrl":"10.2147/OTT.S468399","url":null,"abstract":"<p><strong>Purpose: </strong>Cutaneous squamous cell carcinoma (cSCC) ranks as the second most common malignancy in clinical practice and poses a significant threat to public health due to its high malignancy. In this study, we aimed to explore potential biomarkers and molecular mechanisms of cSCC.</p><p><strong>Methods: </strong>Differentially expressed genes (DEGs) from GSE66359 and GSE117247 datasets were identified using R software. We conducted enrichment analyses and screened hub genes through protein-protein interaction (PPI) analysis and weighted gene co-expression network analysis (WGCNA). To assess the diagnostic performance of these genes, we generated ROC curves using both internal and external datasets (GSE45164) and validated the expression levels of these genes in cSCC tissues through immunohistochemistry. Subsequently, we predicted the target miRNAs and lncRNAs for hub genes using online databases and constructed competing endogenous RNA (ceRNA) networks.</p><p><strong>Results: </strong>In total, we identified 505 upregulated DEGs and 522 downregulated DEGs. Through PPI and WGCNA analyses, we identified four hub genes exhibiting robust diagnostic performance in internal and external datasets (AUC > 0.9) and selected three previously unreported genes for further analysis. Immunohistochemistry demonstrated significantly elevated CCNA2, CCNB2, and UBE2C expression in cSCC tissues compared to normal skin tissues. Finally, we constructed three ceRNA networks, namely NEAT1/H19-hsa-miR-148a-3p-CCNA2 and NEAT1-hsa-miR-140-3p-UBE2C.</p><p><strong>Conclusion: </strong>In conclusion, we have identified CCNA2, CCNB2, and UBE2C as novel biomarkers for cSCC, and the NEAT1/H19-hsa-miR-148a-3p-CCNA2 and NEAT1-hsa-miR-140-3p-UBE2C ceRNA networks may represent molecular mechanisms under-lying cSCC progression. The findings of this study offer new diagnostic and therapeutic options for cSCC patients.</p>","PeriodicalId":19534,"journal":{"name":"OncoTargets and therapy","volume":"17 ","pages":"841-856"},"PeriodicalIF":2.7,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11523976/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142546625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
OncoTargets and therapyPub Date : 2024-10-17eCollection Date: 2024-01-01DOI: 10.2147/OTT.S482469
Tati Herlina, Abd Wahid Rizaldi Akili, Vicki Nishinarizki, Ari Hardianto, Allyn Pramudya Sulaeman, Shabarni Gaffar, Euis Julaeha, Tri Mayanti, Unang Supratman, Mohd Azlan Nafiah, Jalifah Binti Latip
{"title":"Cytotoxic Evaluation, Molecular Docking, Molecular Dynamics, and ADMET Prediction of Isolupalbigenin Isolated from <i>Erythrina subumbrans</i> (Hassk). Merr. (Fabaceae) Stem Bark: Unveiling Its Anticancer Efficacy.","authors":"Tati Herlina, Abd Wahid Rizaldi Akili, Vicki Nishinarizki, Ari Hardianto, Allyn Pramudya Sulaeman, Shabarni Gaffar, Euis Julaeha, Tri Mayanti, Unang Supratman, Mohd Azlan Nafiah, Jalifah Binti Latip","doi":"10.2147/OTT.S482469","DOIUrl":"10.2147/OTT.S482469","url":null,"abstract":"<p><strong>Introduction: </strong><i>Erythrina subumbrans</i>, a medical plant found in sub-Saharan Africa and the Western Ghats of India, shows promise as a potential source of bioactive compounds to treat cancer. In our ongoing research on folk medical plants, we report the isolation of flavonoid compound from the stem bark of <i>E. subumbrans</i> along with its cytotoxic activity against breast cancer (MCF-7 and T47D), and cervical cancer (HeLa) cell lines.</p><p><strong>Purpose: </strong>This study aimed to isolate secondary metabolite from the stem bark of <i>E. subumbrans</i> and evaluate its cytotoxic activity to support the use of folk medicinal plants as alternative therapy against cancer.</p><p><strong>Methods: </strong>Isolupalbigenin was isolated from the stem bark of <i>E. subumbrans</i> by column chromatography. Cytotoxic activity against breast cancer (MCF-7 and T47D) and cervical cancer (HeLa) cell lines was evaluated using the MTT assay, whereas the in silico study was evaluated using molecular docking and molecular dynamics against estrogen receptor alpha (ERα).</p><p><strong>Results: </strong>The cytotoxic assay showed that isolupalbigenin inhibited the growth of MCF-7 cell with an IC<sub>50</sub> of 31.62 µg∙mL<sup>-1</sup>, while showing no toxicity against normal human cells (Vero cell line). The molecular docking results suggested that isolupalbigenin can bind to ERα with a lower binding affinity than estradiol, whereas the stability of the isolupalbigenin-ERα complex was confirmed by molecular dynamic simulation with a median Root Mean Square Deviation (RMSD) of 2.80 Å. Toxicity prediction suggested that isolupalbigenin was less likely to cause hepatotoxicity or carcinogenicity, whereas pharmacokinetic prediction suggested that isolupalbigenin has high intestinal absorption with medium Caco2 permeability. In addition, isolupalbigenin was predicted to have a medium volume of distribution (Vd).</p><p><strong>Conclusion: </strong>Isolupalbigenin isolated from the stem bark of <i>E. subumbrans</i> with cytotoxic activity supports further development of plants from the genus <i>Erythrina</i> as a medicinal plant for alternative therapy against cancer.</p>","PeriodicalId":19534,"journal":{"name":"OncoTargets and therapy","volume":"17 ","pages":"829-840"},"PeriodicalIF":2.7,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11492916/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142471551","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Pregnancy and Breast Cancer: A Challenge for the Multidisciplinary Team. A Single Center Experience and Narrative Review.","authors":"Fiorella Ruatta, Nerina Denaro, Paola Vanella, Gianluca Tomasello, Ernesto Principe, Grazia Sciancalepore, Carmen Giusy Rea, Ornella Garrone","doi":"10.2147/OTT.S464860","DOIUrl":"https://doi.org/10.2147/OTT.S464860","url":null,"abstract":"<p><strong>Purpose: </strong>The diagnosis of breast cancer during pregnancy is a rare event, but it is more frequent in our daily clinical practice due to the progressing aging of pregnant women. The management of a woman affected by pregnancy-associated breast cancer (PABC) remains a challenge for the clinician as it is related to ethical and psychological decisions.</p><p><strong>Patients and methods: </strong>Here, we retrospectively described 10 cases of PABC in women treated at our Institution. All cases were discussed in the multidisciplinary team. We reviewed available literature data on the topic.</p><p><strong>Results: </strong>Nine out 10 patients were diagnosed with localized breast cancer. The remaining patients were presented with metastatic de novo disease. Median age was 37.5 years (range 26-42). Seven patients presented with grade 3 tumor and 9 patients had Ki-67 value higher than 30%. All but 2 patients received neoadjuvant chemotherapy consisting of sequential anthracyclines and cyclophosphamide followed by weekly paclitaxel during pregnancy. No safety concerns or complications during delivery for both the mothers and the babies were reported.</p><p><strong>Conclusion: </strong>Breast cancer during pregnancy is a challenging clinical situation and all the decisions need to consider both the patients and the fetus safety. Data from our series and from literature confirm the safety of standard chemotherapy approach starting from the second trimester of gestation. More research and effort are needed to offer these patients excellent outcomes and it is mandatory that cases should be closely followed up by a multidisciplinary team.</p>","PeriodicalId":19534,"journal":{"name":"OncoTargets and therapy","volume":"17 ","pages":"821-827"},"PeriodicalIF":2.7,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11471066/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142471552","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
OncoTargets and therapyPub Date : 2024-10-04eCollection Date: 2024-01-01DOI: 10.2147/OTT.S474898
Mengsi Zhou, Yanting Li, Liu Yang, Shuo Liu, Lixian Yang, Bin Xu, Xiaolong Li, Quanle Wang, Haijun Zhao, Zhenchuan Song
{"title":"LncRNA PTPRG-AS1 Promotes Breast Cancer Progression by Modulating the miR-4659a-3p/QPCT Axis.","authors":"Mengsi Zhou, Yanting Li, Liu Yang, Shuo Liu, Lixian Yang, Bin Xu, Xiaolong Li, Quanle Wang, Haijun Zhao, Zhenchuan Song","doi":"10.2147/OTT.S474898","DOIUrl":"https://doi.org/10.2147/OTT.S474898","url":null,"abstract":"<p><strong>Background: </strong>Overwhelming evidence has suggested that dysregulated long noncoding RNAs (lncRNAs) play a critical modulating effect in the evolution of breast cancer (BRCA). Nevertheless, the roles of lncRNA PTPRG antisense RNA 1 (PTPRG-AS1) in BRCA and the underlying mechanisms have not been experimentally validated and functionally annotated.</p><p><strong>Methods: </strong>The expression of lncRNA PTPRG-AS1 in BRCA tissues and cell lines was evaluated by reverse transcription-quantitative PCR (RT-qPCR), and by using public databases. The proliferation of BRCA cells was detected using Cell Counting Kit-8 and colony formation assays. Wound healing assay, and Transwell migration and invasion assays were carried out to explore the migratory and invasive abilities of BRCA cells. The interaction between lncRNA PTPRG-AS1, microRNA (miR)-4659a-3p and glutaminyl-peptide cyclotransferase (QPCT) was verified using RT-qPCR, dual-luciferase reporter assay and Western blotting.</p><p><strong>Results: </strong>The results showed that LncRNA PTPRG-AS1 was markedly upregulated in BRCA tissues and cell lines. Knocking down lncRNA PTPRG-AS1 significantly inhibited the proliferation, migration and invasion of BRCA cells, while overexpression of lncRNA PTPRG-AS1 enhanced the aforementioned properties of BRCA cells. Further analyses revealed that PTPRG-AS1 may act as a molecular sponge for miR-4659a-3p, thus regulating QPCT expression, therefore, acting as an oncogene in BRCA.</p><p><strong>Conclusion: </strong>Collectively, the study demonstrates that lncRNA PTPRG-AS1 may act as a competing endogenous RNA by regulating the miR-4659a-3p/QPCT axis in BRCA progression. This lncRNA could potentially be a biomarker and therapeutic target for BRCA.</p>","PeriodicalId":19534,"journal":{"name":"OncoTargets and therapy","volume":"17 ","pages":"805-819"},"PeriodicalIF":2.7,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11460282/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142392135","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
OncoTargets and therapyPub Date : 2024-09-25eCollection Date: 2024-01-01DOI: 10.2147/OTT.S493466
{"title":"Erratum: Synergism from the Combination of Ulinastatin and Curcumin Offers Greater Inhibition against Colorectal Cancer Liver Metastases via Modulating Matrix Metalloproteinase-9 and E-Cadherin Expression [Corrigendum].","authors":"","doi":"10.2147/OTT.S493466","DOIUrl":"https://doi.org/10.2147/OTT.S493466","url":null,"abstract":"<p><p>[This corrects the article DOI: 10.2147/OTT.S57126.].</p>","PeriodicalId":19534,"journal":{"name":"OncoTargets and therapy","volume":"17 ","pages":"803-804"},"PeriodicalIF":2.7,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11440424/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142351312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}