Cancer Research and Treatment

Original Articles

Molecular Mosaics: Unveiling Heterogeneity in Synchronous Colorectal Cancers: Hyun Gu Lee, Yeseul Kim, Mi-Ju Kim, Yeon Wook Kim, Sun-Young Jun, Deokhoon Kim, In Ja Park, Seung-Mo Hong; Received September 30, 2024 Accepted February 17, 2025 Published online February 18, 2025; DOI: https://doi.org/10.4143/crt.2024.947 [Accepted]

Abstract PDF: Purpose
Molecular characteristics of synchronous colorectal cancers (SCRCs) remain incompletely elucidated, despite their importance in targeted therapy selection. We compared the molecular characteristics and somatic mutations between SCRCs.
Materials and Methods
This retrospective study (2012-2014) included 98 consecutive patients with surgically resected SCRCs. Molecular characteristics, including microsatellite instability (MSI) and tumor-infiltrating lymphocytes (TILs), were analyzed for all cancer lesions. The intertumoral heterogeneity of SCRCs was evaluated using whole-exome sequencing (WES) for 18 cancers from 9 patients with at least one MSI-high (MSI-H) tumor.
Results
Twelve patients had at least one MSI-H tumor; five showed discordant MSI status. Mucinous adenocarcinoma frequency and TIL density were higher in patients with at least one MSI-H tumor than in those with only microsatellite-stable tumors. WES revealed that, except one patient (6.5%), most synchronous cancers shared few variants in each patient (0.09–0.36%). The concordance rates for BRAF, KRAS, NRAS, and PIK3CA in synchronous cancers from each patient were 66.7%, 66.7%, 66.7%, and 55.6%, respectively.
Conclusion
Although synchronous cancers shared a mutated gene, the mutation subtypes differed. SCRCs exhibited 5.1% MSI status discordance rate and a high discordance rate in somatic mutational variants. As intertumoral heterogeneity may affect the targeted therapy response, molecular analysis of all tumors is recommended for patients with SCRCs.

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Genitourinary cancer

Invasiveness of Upper Tract Urothelial Carcinoma: Clinical Significance and Integrative Diagnostic Strategy: Bokyung Ahn, Doeun Kim, Kye Jin Park, Ja-Min Park, Sun Young Yoon, Bumsik Hong, Yong Mee Cho, Deokhoon Kim; Cancer Res Treat. 2024;56(3):856-870. Published online December 18, 2023; DOI: https://doi.org/10.4143/crt.2023.1150

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Purpose
In this study, we aimed to determine the clinicopathologic, radiologic, and molecular significance of the tumor invasiveness to further stratify the patients with high-grade (HG) upper tract urothelial carcinoma (UTUC) who can be treated less aggressively.
Materials and Methods
Clinicopathologic and radiologic characteristics of 166 surgically resected HG UTUC (48 noninvasive, and 118 invasive) cases were evaluated. Six noninvasive UTUC cases with intratumoral tumor grade heterogeneity were selected for whole-exome sequencing (WES) to understand the underlying molecular pathophysiology. Barcode-tagging sequencing was done for validation of the target genes from WES data.
Results
Patients with noninvasive UTUC showed no cancer-specific death with better cancer-specific survival (p < 0.001) and recurrence-free survival (p < 0.001) compared to the patients with invasive UTUC. Compared to the invasive UTUC, noninvasive UTUC was correlated to a low grade (LG) on the preoperative abdominal computed tomography (CT) grading system (p < 0.001), histologic intratumoral tumor grade heterogeneity (p=0.018), discrepancy in preoperative urine cytology diagnosis (p=0.018), and absence of urothelial carcinoma in situ (p < 0.001). WES of the heterogeneous components showed mutually shared HRAS and FGFR3 mutations shared between the HG and LG components. HRAS mutation was associated with the lower grade on preoperative abdominal CT and intratumoral tumor grade heterogeneity (p=0.045 and p < 0.001, respectively), whereas FGFR3 mutation was correlated to the absence of carcinoma in situ (p < 0.001).
Conclusion
According to our comprehensive analysis, HG noninvasive UTUC can be preoperatively suspected based on distinct preoperative radiologic, cytologic, histologic, and molecular features. Noninvasive HG UTUC shows excellent prognosis and thus should be treated less aggressively.

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Diagnostic accuracy of upper tract urothelial carcinoma using biopsy, urinary cytology, and nephroureterectomy specimens: A tertiary cancer center experience
Jianping Zhao, Yuan Shen, Ming Guo, Surena F Matin, Donna E Hansel, Charles C Guo
American Journal of Clinical Pathology.2024;[Epub] CrossRef
Clinical significance of tumor location for ureteroscopic tumor grading in upper tract urothelial carcinoma
Satoshi Katayama, benjamin pradere, Nico C. Grossmann, Aaron M. Potretzke, Stephen J Boorjian, Alireza Ghoreifi, Siamak Daneshmand, Hooman Djaladat, John Sfakianos, Andrea Mari, Zine-Eddine Khene, David D'Andrea, Nozomi Hayakawa, Kazutoshi Fujita, Axel He
Journal of Endourology.2024;[Epub] CrossRef
Development and validation of a radiomics-based nomogram for predicting pathological grade of upper urinary tract urothelial carcinoma
Yanghuang Zheng, Hongjin Shi, Shi Fu, Haifeng Wang, Xin Li, Zhi Li, Bing Hai, Jinsong Zhang
BMC Cancer.2024;[Epub] CrossRef

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Lung and Thoracic cancer

Genomic Landscape of Pulmonary Sarcomatoid Carcinoma: Hyun Jung Kwon, Sejoon Lee, Yeon Bi Han, Jeonghyo Lee, Soohyeon Kwon, Hyojin Kim, Jin-Haeng Chung; Cancer Res Treat. 2024;56(2):442-454. Published online November 14, 2023; DOI: https://doi.org/10.4143/crt.2023.764

Abstract PDF Supplementary Material PubReader ePub

Purpose
Pulmonary sarcomatoid carcinoma (PSC) is a rare aggressive subtype of non–small cell lung cancer (NSCLC) with limited therapeutic strategies. We attempted to elucidate the evolutionary trajectories of PSC using multiregional and longitudinal tumor samples.
Materials and Methods
A total of 31 patients were enrolled in this study and 11 longitudinal samples were available from them. Using whole exome sequencing data, we analyzed the mutational signatures in both carcinomatous and sarcomatous areas in primary tumors of the 31 patients and longitudinal samples obtained from 11 patients. Furthermore, digital droplet polymerase chain reaction (ddPCR), and programmed death-ligand 1 (PD-L1) immunohistochemistry using the Ventana SP263 assay were performed.
Results
TP53 was identified as the most frequently altered gene in the primary (74%) and metastatic (73%) samples. MET exon 14 skipping mutations, confirmed by ddPCR, and TP53 mutations were mutually exclusive; whereas, MET exon 14 skipping mutations frequently co-occurred with MDM2 amplification. Metastatic tumors showed dissimilar genetic profiles from either primary component. During metastasis, the signatures of APOBEC decreased in metastatic lesions compared with that in primary lesions. PSC showed higher MET and KEAP1 mutations and stronger PD-L1 protein expression compared with that recorded in other NSCLCs.
Conclusion
Decreased APOBEC signatures and subclonal diversity were detected during malignant progression in PSC. Frequent MET mutations and strong PD-L1 expression distinguished PSC from other NSCLCs. The aggressiveness and therapeutic difficulties of PSC were possibly attributable to profound intratumoral and intertumoral genetic diversity. Next-generation sequencing could suggest the appropriate treatment strategy for PSC.

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PD-L1 Expression and Its Modulating Factors in Anaplastic Thyroid Carcinoma
Shipra Agarwal, Chan Kwon Jung, Pranitha Gaddam, Mitsuyoshi Hirokawa, Takuya Higashiyama, Jen-Fan Hang, Wei-An Lai, Somboon Keelawat, Zhiyan Liu, Hee Young Na, So Yeon Park, Junya Fukuoka, Shinya Satoh, Zhanna Mussazhanova, Masahiro Nakashima, Kennichi Ka
American Journal of Surgical Pathology.2024; 48(10): 1233. CrossRef

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Genitourinary cancer

Clear Cell Adenocarcinoma of Urethra: Clinical and Pathologic Implications and Characterization of Molecular Aberrations: Boram Song, Seok Hyun Lee, Jeong Hwan Park, Kyung Chul Moon; Cancer Res Treat. 2024;56(1):280-293. Published online September 11, 2023; DOI: https://doi.org/10.4143/crt.2023.577

Abstract PDF Supplementary Material PubReader ePub

Purpose
This study aimed to evaluate the molecular features of clear cell adenocarcinoma (CCA) of the urinary tract and investigate its pathogenic pathways and possible actionable targets.
Materials and Methods
We retrospectively collected the data of patients with CCA between January 1999 and December 2016; the data were independently reviewed by two pathologists. We selected five cases of urinary CCA, based on the clinicopathological features. We analyzed these five cases by whole exome sequencing (WES) and subsequent bioinformatics analyses to determine the mutational spectrum and possible pathogenic pathways.
Results
All patients were female with a median age of 62 years. All tumors were located in the urethra and showed aggressive behavior with disease progression. WES revealed several genetic alterations, including driver gene mutations (AMER1, ARID1A, CHD4, KMT2D, KRAS, PBRM1, and PIK3R1) and mutations in other important genes with tumor-suppressive and oncogenic roles (CSMD3, KEAP1, SMARCA4, and CACNA1D). We suggest putative pathogenic pathways (chromatin remodeling pathway, mitogen-activated protein kinase signaling pathway, phosphoinositide 3-kinase/AKT/mammalian target of rapamycin pathway, and Wnt/β-catenin pathway) as candidates for targeted therapies.
Conclusion
Our findings shed light on the molecular background of this extremely rare tumor with poor prognosis and can help improve treatment options.

Citations

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Urethral clear cell adenocarcinoma in an adult female: A rare case report
Yacob Sheiferawe Seman, Michael Teklehaimanot Abera, Fadil Nuredin Abrar, Tesfaye Kebede Legesse, Mesfin Asefa Tola, Tsiyon Nigusie Alemu
Urology Case Reports.2025; 58: 102882. CrossRef
Two rare cases of primary clear cell adenocarcinoma of the urethra: clinical experience, case report and literature review
Bohao Jiang, Jiyuan Hu, Benqiao Wang, Xujia Liu, Ling Tong, Yitong Xu, Hao Zhang
Frontiers in Oncology.2025;[Epub] CrossRef
Association between CACNA1D polymorphisms and hypospadias in a southern Chinese population
Ye He, Binyao Li, Xinying Zhao, Lingling Pan, Yanqing Liu, Chaoting Lan, Fuming Deng, Wen Fu, Yan Zhang, Xiaoyu Zuo
Journal of Pediatric Urology.2024; 20(3): 438.e1. CrossRef
The L‐type calcium channel CaV1.3: A potential target for cancer therapy
Xuerun Liu, Boqiang Shen, Jingyi Zhou, Juan Hao, Jianliu Wang
Journal of Cellular and Molecular Medicine.2024;[Epub] CrossRef

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Sarcoma

Comprehensive Molecular Characterization of Soft Tissue Sarcoma for Prediction of Pazopanib-Based Treatment Response: Jung Yong Hong, Hee Jin Cho, Kum-Hee Yun, Young Han Lee, Seung Hyun Kim, Wooyeol Baek, Sang Kyum Kim, Yurimi Lee, Yoon-La Choi, Minsuk Kwon, Hyo Song Kim, Jeeyun Lee; Cancer Res Treat. 2023;55(2):671-683. Published online September 27, 2022; DOI: https://doi.org/10.4143/crt.2022.251

Abstract PDF Supplementary Material PubReader ePub

Purpose
Even though pazopanib, a multitargeted tyrosine kinase inhibitor, has been approved for refractory soft tissue sarcoma (STS), little is known about the molecular determinants of the response to pazopanib. We performed integrative molecular characterization to identify potential predictors of pazopanib efficacy.
Materials and Methods
We obtained fresh pre-treatment tumor tissue from 35 patients with advanced STS receiving pazopanib-based treatment. Among those, 18 (51.4%) received pazopanib monotherapy, and the remaining 17 (48.6%) received pazopanib in combination with durvalumab, programmed death-ligand 1 blockade. Whole-exome and transcriptome sequencing were performed for each tumor and patient germline DNA.
Results
Of the 35 patients receiving pazopanib-based treatment, nine achieved a partial response (PR), resulting in an objective response rate (ORR) of 27.3%, and the median progression-free survival (PFS) was 6.0 months. Patients with CDK4 amplification (copy ratio tumor to normal > 2) exhibited shorter PFS (3.7 vs. 7.9 months, p=2.09×10–4) and a poorer response (ORR; 0% vs. 33.3%) compared to those without a gene amplification (copy ratio ≤ 2). Moreover, non-responders demonstrated transcriptional activation of CDK4 via DNA amplification, resulting in cell cycle activation. In the durvalumab combination cohort, seven of the 17 patients (41.2%) achieved a PR, and gene expression analysis revealed that durvalumab responders exhibited high immune/stromal cell infiltration, mainly comprising natural killer cells, compared to non-responders as well as increased expression of CD19, a B-cell marker.
Conclusion
Despite the limitation of heterogeneity in the study population and treatment, we identified possible molecular predictors of pazopanib efficacy that can be employed in future clinical trials aimed at evaluating therapeutic strategies.

Citations

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Durvalumab plus pazopanib combination in patients with advanced soft tissue sarcomas: a phase II trial
Hee Jin Cho, Kum-Hee Yun, Su-Jin Shin, Young Han Lee, Seung Hyun Kim, Wooyeol Baek, Yoon Dae Han, Sang Kyum Kim, Hyang Joo Ryu, Joohee Lee, Iksung Cho, Heounjeong Go, Jiwon Ko, Inkyung Jung, Min Kyung Jeon, Sun Young Rha, Hyo Song Kim
Nature Communications.2024;[Epub] CrossRef
The high-density lipoprotein binding protein HDLBP is an unusual RNA-binding protein with multiple roles in cancer and disease
Jonathan Feicht, Ralf-Peter Jansen
RNA Biology.2024; 21(1): 312. CrossRef
Intracranial Relapse in Pediatric Sarcoma
Danielle E. Smith, Tyler Hamby, Kenneth Heym, Ashraf Mohamed, Kelly L. Vallance, Anish Ray
Journal of Pediatric Hematology/Oncology.2023; 45(7): e810. CrossRef

5,663 View
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3 Web of Science
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Genitourinary cancer

Genomic Sequencing for Bladder Urothelial Carcinoma and Its Clinical Implications for Immunotherapy: Ryul Kim, Jung Yong Hong, Jeeyun Lee, Ghee Young Kwon, Byong Chang Jeong, Se Hoon Park; Cancer Res Treat. 2022;54(3):894-906. Published online November 17, 2021; DOI: https://doi.org/10.4143/crt.2021.854

Abstract PDF Supplementary Material PubReader ePub

Purpose
This study aimed to explore the genomic and transcriptomic landscape of bladder cancer (BC) and its implication for treatment with an immune checkpoint inhibitor (ICI).
Materials and Methods
We analyzed whole-exome and -transcriptome sequences of tumor samples from 64 BC patients who underwent surgical resection with either transurethral resection or radical cystectomy. For exploratory purposes, programmed death-ligand 1 (PD-L1) expression was evaluated in a subset of patients (n=57) including those treated with ICI (n=8).
Results
We identified frequent molecular dysregulations in chromatin regulatory genes (KDM6A, ARID1A, MLL2, and STAG2) and recurrent copy number alterations. Thirty-five samples (54.7%) were PD-L1–positive (PD-L1 combined positive score ≥ 1) with a significantly higher exonic tumor mutational burden (TMB) compared to PD-L1–negative BC samples (p=0.010). We observed that various immune-responsive pathways, including the PD-L1 signaling pathway, were enriched significantly in PD-L1–positive BCs. Interestingly, genes in the CTLA4 pathway were enriched significantly in PD-L1–positive BC as well. Among eight patients who received ICI, progressive disease was confirmed in one patient, whose tumor had low exonic TMB, negative PD-L1 status, and a relatively colder microenvironment.
Conclusion
Gaining new insights into the molecular landscape of BC will improve treatment strategies. Our analysis suggests a rationale for studying dual checkpoint inhibition against BC.

Citations

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Targeting the PD-1/PD-L1 Signaling Pathway for Cancer Therapy: Focus on Biomarkers
Areti Strati, Christos Adamopoulos, Ioannis Kotsantis, Amanda Psyrri, Evi Lianidou, Athanasios G. Papavassiliou
International Journal of Molecular Sciences.2025; 26(3): 1235. CrossRef
The role of lysine-specific demethylase 6A (KDM6A) in tumorigenesis and its therapeutic potentials in cancer therapy
Li-Juan Chen, Xin-Yang Xu, Xiao-Dan Zhong, Yan-Jun Liu, Ming-Hui Zhu, Fan Tao, Chang-Yun Li, Qiu-Sheng She, Guan-Jun Yang, Jiong Chen
Bioorganic Chemistry.2023; 133: 106409. CrossRef
A novel cuproptosis-related lncRNAs signature predicts prognostic and immune of bladder urothelial carcinoma
Zheng Zhou, Yusong Zhou, Wei Liu, Jing Dai
Frontiers in Genetics.2023;[Epub] CrossRef
Implication of KDM6A in Bladder Cancer
Marianne Matar, Gilles Prince, Ibrahim Hamati, Maria Baalbaky, Jonas Fares, Marc Aoude, Charbel Matar, Hampig Raphael Kourie
Pharmacogenomics.2023; 24(9): 509. CrossRef
Subsequent Systemic Therapy following Platinum and Immune Checkpoint Inhibitors in Metastatic Urothelial Carcinoma
Joohyun Hong, Hyun Hwan Sung, Byong Chang Jeong, Se Hoon Park
Biomedicines.2022; 10(8): 2005. CrossRef
Antineoplastics

Reactions Weekly.2022; 1933(1): 61. CrossRef
Cuproptosis-related lncRNA signatures predict prognosis and immune relevance of kidney renal papillary cell carcinoma
Tongjin Xie, Bin Liu, Dongbo Liu, Yusong Zhou, Qingping Yang, Dai Wang, Mengjie Tang, Wei Liu
Frontiers in Pharmacology.2022;[Epub] CrossRef

7,686 View
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Lung cancer

Genetic Alterations in Preinvasive Lung Synchronous Lesions: Soyeon Ahn, Jisun Lim, Soo Young Park, Hyojin Kim, Hyun Jung Kwon, Yeon Bi Han, Choon-Taek Lee, Sukki Cho, Jin-Haeng Chung; Cancer Res Treat. 2020;52(4):1120-1134. Published online June 5, 2020; DOI: https://doi.org/10.4143/crt.2020.307

Abstract PDF Supplementary Material PubReader ePub

Purpose
Despite advances in treatment, lung cancer remains the leading cause of cancer mortality. This study aimed to characterise genome-wide tumorigenesis events and to understand the hypothesis of the multistep carcinogenesis of lung adenocarcinoma (LUAD)
Materials and Methods
We conducted multiregion whole-exome sequencing of LUAD with synchronous atypical adenomatous hyperplasia (AAH), adenocarcinoma in situ, or minimally invasive adenocarcinoma of 19 samples from three patients to characterize genome-wide tumorigenesis events and validate the hypothesis of the multistep carcinogenesis of LUAD. We identified potential pathogenic mutations preserved in preinvasive lesions and supplemented the finding by allelic variant level from RNA sequencing.
Results
Overall, independent mutational profiles were observed per patient and between patients. Some shared mutations including epidermal growth factor receptor (EGFR , p.L858R) were present across synchronous lesions.
Conclusion
Here, we show that there are driver gene mutations in AAH, and they may exacerbate as a sequence in a histological continuum, supporting the Darwinian evolution model of cancer genome. The intertumoral and intratumoral heterogeneity of synchronous LUAD implies that multi-biomarker strategies might be necessary for appropriate treatment.

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Gene Expression Profiles of Multiple Synchronous Lesions in Lung Adenocarcinoma
Jisun Lim, Yeon Bi Han, Soo Young Park, Soyeon Ahn, Hyojin Kim, Hyun Jung Kwon, Choon-Taek Lee, Sukki Cho, Jin-Haeng Chung
Cells.2021; 10(12): 3484. CrossRef

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153 Download
2 Web of Science
1 Crossref

Prognostic Value of TP53 Mutation for Transcatheter Arterial Chemoembolization Failure/Refractoriness in HBV-Related Advanced Hepatocellular Carcinoma: Miao Xue, Yanqin Wu, Wenzhe Fan, Jian Guo, Jialiang Wei, Hongyu Wang, Jizhou Tan, Yu Wang, Wang Yao, Yue Zhao, Jiaping Li; Cancer Res Treat. 2020;52(3):925-937. Published online March 30, 2020; DOI: https://doi.org/10.4143/crt.2019.533

Abstract PDF PubReader ePub

Purpose
This study aimed to investigate the clinicopathologic features and mutational landscape of patients with hepatitis B virus (HBV)–related advanced hepatocellular carcinomas (HCC) undergoing transcatheter arterial chemoembolization (TACE).
Materials and Methods
From January 2017 to December 2018, 38 patients newly diagnosed with HBV-related advanced HCC were enrolled in the final analysis. Their pathological tissues and corresponding blood samples before TACE treatment were collected for whole-exome sequencing. Response to TACE was evaluated at 1-3 months after two consecutive use of TACE. Predictive factors were analyzed by univariate and multivariate analyses in a bivariate Logistic regression model. Enrichment of related pathways of all driver genes were acquired using the gene set enrichment analysis (GSEA).
Results
Among 38 patients, 23 (60.5%) exhibited TACE failure/refractoriness. Patients with TACE failure/refractoriness showed higher frequency of TP53 mutation than their counterparts (p=0.020). Univariate and multivariate analyses showed that only vascular invasion and TP53 mutation were significantly correlated with TACE failure/refractoriness in HBV-related advanced HCC. Of the 16 patients without vascular invasion, eight (50.0%) had TP53 mutations, and TP53 mutation was associated with TACE failure/refractoriness (p=0.041). Moreover, GSEA showed that mitogen-activated protein kinase and apoptosis pathways induced by TP53 mutation were possibly associated with TACE failure/refractoriness.
Conclusion
Our study suggested that TP53 mutation was independently related with TACE efficacy, which may work via mitogen-activated protein kinase and apoptosis pathways. These findings may provide evidence to help distinguish patients who will particularly benefit from TACE from those who require more personalized therapeutic regimens and rigorous surveillance in HBV-related advanced HCC.

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Therapeutic efficacy and prognostic indicators in re-resection for recurrent hepatocellular carcinoma: Insights from a retrospective study
Qi Fan, Pengcheng Wei, Delin Ma, Qian Cheng, Jie Gao, Jiye Zhu, Zhao Li
Surgery Open Science.2025; 23: 16. CrossRef
TP53 Mutation Predicts Worse Survival and Earlier Local Progression in Patients with Hepatocellular Carcinoma Treated with Transarterial Embolization
Ken Zhao, Anita Karimi, Luke Kelly, Elena Petre, Brett Marinelli, Erica S. Alexander, Vlasios S. Sotirchos, Joseph P. Erinjeri, Anne Covey, Constantinos T. Sofocleous, James J. Harding, William Jarnagin, Carlie Sigel, Efsevia Vakiani, Etay Ziv, Hooman Yar
Current Oncology.2025; 32(1): 51. CrossRef
Clinical Therapy: HAIC Combined with Tyrosine Kinase Inhibitors and Programmed Cell Death Protein-1 Inhibitors versus HAIC Alone for Unresectable Hepatocellular Carcinoma
Baokun Liu, Lujun Shen, Wen Liu, Zhiyong Zhang, Jieqiong Lei, Zhengguo Li, Qinquan Tan, Hengfei Huang, Xingdong Wang, Weijun Fan
Journal of Hepatocellular Carcinoma.2024; Volume 11: 1557. CrossRef
Enhanced interactions within microenvironment accelerates dismal prognosis in HBV-related HCC after TACE
Libo Wang, Jiahui Cao, Zaoqu Liu, Shitao Wu, Yin Liu, Ruopeng Liang, Rongtao Zhu, Weijie Wang, Jian Li, Yuling Sun
Hepatology Communications.2024;[Epub] CrossRef
Development and validation of survival prediction models for patients with hepatocellular carcinoma treated with transcatheter arterial chemoembolization plus tyrosine kinase inhibitors
Kun Huang, Haikuan Liu, Yanqin Wu, Wenzhe Fan, Yue Zhao, Miao Xue, Yiyang Tang, Shi-Ting Feng, Jiaping Li
La radiologia medica.2024; 129(11): 1597. CrossRef
Identification of BRD7 by whole-exome sequencing as a predictor for intermediate-stage hepatocellular carcinoma in patients undergoing TACE
Kun Huang, Yanqin Wu, Wenzhe Fan, Yue Zhao, Miao Xue, Haikuan Liu, Yiyang Tang, Jiaping Li
Journal of Cancer Research and Clinical Oncology.2023; 149(13): 11247. CrossRef
Prediction model of no-response before the first transarterial chemoembolization for hepatocellular carcinoma: TACF score
Jia-Wei Zhong, Dan-Dan Nie, Ji-Lan Huang, Rong-Guang Luo, Qing-He Cheng, Qiao-Ting Du, Gui-Hai Guo, Liang-Liang Bai, Xue-Yun Guo, Yan Chen, Si-Hai Chen
Discover Oncology.2023;[Epub] CrossRef
Mechanisms of Pharmacoresistance in Hepatocellular Carcinoma: New Drugs but Old Problems
Jose J.G. Marin, Marta R. Romero, Elisa Herraez, Maitane Asensio, Sara Ortiz-Rivero, Anabel Sanchez-Martin, Luca Fabris, Oscar Briz
Seminars in Liver Disease.2022; 42(01): 087. CrossRef
Non-Apoptotic Programmed Cell Death-Related Gene Signature Correlates With Stemness and Immune Status and Predicts the Responsiveness of Transarterial Chemoembolization in Hepatocellular Carcinoma
Guixiong Zhang, Wenzhe Fan, Hongyu Wang, Jie Wen, Jizhou Tan, Miao Xue, Jiaping Li
Frontiers in Cell and Developmental Biology.2022;[Epub] CrossRef
Plasma arginase-1 as a predictive marker for early transarterial chemoembolization refractoriness in unresectable hepatocellular carcinoma
Wei-Li Xia, Shi-Jun Xu, Yuan Guo, Xiao-Hui Zhao, Hong-Tao Hu, Yan Zhao, Quan-Jun Yao, Lin Zheng, Dong-Yang Zhang, Chen-Yang Guo, Wei-Jun Fan, Hai-Liang Li
Frontiers in Oncology.2022;[Epub] CrossRef
Useful genes for predicting the efficacy of transarterial chemoembolization in hepatocellular carcinoma
Yuan Guo, Hongtao Hu, Shijun Xu, Weili Xia, Hailiang Li
Journal of Cancer Research and Therapeutics.2022; 18(7): 1860. CrossRef
Development and Validation of a Predictive Model for Early Refractoriness of Transarterial Chemoembolization in Patients With Hepatocellular Carcinoma
Tian-Cheng Wang, Tian-Zhi An, Jun-Xiang Li, Zi-Shu Zhang, Yu-Dong Xiao
Frontiers in Molecular Biosciences.2021;[Epub] CrossRef
Transcatheter arterial chemoembolization followed by surgical resection for hepatocellular carcinoma: a focus on its controversies and screening of patients most likely to benefit
Zhan-Qi Wei, Yue-Wei Zhang
Chinese Medical Journal.2021; 134(19): 2275. CrossRef
Recent Updates of Transarterial Chemoembolilzation in Hepatocellular Carcinoma
Young Chang, Soung Won Jeong, Jae Young Jang, Yong Jae Kim
International Journal of Molecular Sciences.2020; 21(21): 8165. CrossRef

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Genetic Profiles Associated with Chemoresistance in Patient-Derived Xenograft Models of Ovarian Cancer: Lan Ying Li, Hee Jung Kim, Sun Ae Park, So Hyun Lee, Lee Kyung Kim, Jung Yun Lee, Sunghoon Kim, Young Tae Kim, Sang Wun Kim, Eun Ji Nam; Cancer Res Treat. 2019;51(3):1117-1127. Published online November 6, 2018; DOI: https://doi.org/10.4143/crt.2018.405

Abstract PDF Supplementary Material PubReader ePub

Purpose
Recurrence and chemoresistance (CR) are the leading causes of death in patients with high-grade serous carcinoma (HGSC) of the ovary. The aim of this study was to identify genetic changes associated with CR mechanisms using a patient-derived xenograft (PDX) mouse model and genetic sequencing.
Materials and Methods
To generate a CR HGSC PDX tumor, mice bearing subcutaneously implanted HGSC PDX tumors were treated with paclitaxel and carboplatin. We compared gene expression and mutations between chemosensitive (CS) and CR PDX tumors with whole exome and RNA sequencing and selected candidate genes. Correlations between candidate gene expression and clinicopathological variables were explored using the Cancer Genome Atlas (TCGA) database and the Human Protein Atlas (THPA).
Results
Three CR and four CS HGSC PDX tumor models were successfully established. RNA sequencing analysis of the PDX tumors revealed that 146 genes were significantly up-regulated and 54 genes down-regulated in the CR group compared with the CS group. Whole exome sequencing analysis showed 39 mutation sites were identified which only occurred in CR group. Differential expression of SAP25, HLA-DPA1, AKT3, and PIK3R5 genes and mutation of TMEM205 and POLR2A may have important functions in the progression of ovarian cancer chemoresistance. According to TCGA data analysis, patients with high HLA-DPA1 expression were more resistant to initial chemotherapy (p=0.030; odds ratio, 1.845).
Conclusion
We successfully established CR ovarian cancer PDX mouse models. PDX-based genetic profiling study could be used to select some candidate genes that could be targeted to overcome chemoresistance of ovarian cancer.

Citations

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Creation and Validation of Patient-Derived Cancer Model Using Peritoneal and Pleural Effusion in Patients with Advanced Ovarian Cancer: An Early Experience
Ruri Nishie, Tomohito Tanaka, Kensuke Hirosuna, Shunsuke Miyamoto, Hikaru Murakami, Hiromitsu Tsuchihashi, Akihiko Toji, Shoko Ueda, Natsuko Morita, Sousuke Hashida, Atsushi Daimon, Shinichi Terada, Hiroshi Maruoka, Hiromi Konishi, Yuhei Kogata, Kohei Tan
Journal of Clinical Medicine.2024; 13(9): 2718. CrossRef
Uncovering miRNA–mRNA Regulatory Networks Related to Olaparib Resistance and Resensitization of BRCA2MUT Ovarian Cancer PEO1-OR Cells with the ATR/CHK1 Pathway Inhibitors
Łukasz Biegała, Damian Kołat, Arkadiusz Gajek, Elżbieta Płuciennik, Agnieszka Marczak, Agnieszka Śliwińska, Michał Mikula, Aneta Rogalska
Cells.2024; 13(10): 867. CrossRef
Patient-derived xenograft models in cancer therapy: technologies and applications
Yihan Liu, Wantao Wu, Changjing Cai, Hao Zhang, Hong Shen, Ying Han
Signal Transduction and Targeted Therapy.2023;[Epub] CrossRef
Deregulations of RNA Pol II Subunits in Cancer
Martina Muste Sadurni, Marco Saponaro
Applied Biosciences.2023; 2(3): 459. CrossRef
Transcriptome and Metabolome Analyses Reveal the Mechanism of Corpus Luteum Cyst Formation in Pigs
Jiage Dai, Jiabao Cai, Taipeng Zhang, Mingyue Pang, Xiaoling Xu, Jiahua Bai, Yan Liu, Yusheng Qin
Genes.2023; 14(10): 1848. CrossRef
Prediction of Chemoresistance—How Preclinical Data Could Help to Modify Therapeutic Strategy in High-Grade Serous Ovarian Cancer
Jacek Wilczyński, Edyta Paradowska, Justyna Wilczyńska, Miłosz Wilczyński
Current Oncology.2023; 31(1): 229. CrossRef
Personalization of Therapy in High-Grade Serous Tubo-Ovarian Cancer—The Possibility or the Necessity?
Jacek Wilczyński, Edyta Paradowska, Miłosz Wilczyński
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Founder Mutations for Early Onset Melanoma as Revealed by Whole Exome Sequencing Suggests That This is Not Associated with the Increasing Incidence of Melanoma in Poland: Tadeusz Dębniak, Rodney J Scott, Rodney A Lea, Bohdan Górski, Bartłomiej Masojć, Cezary Cybulski, Andrzej Kram, Romuald Maleszka, Tomasz Gromowski, Katarzyna Paszkowska-Szczur, Aniruddh Kashyap, Marcin R. Lener, Karolina Malińska, Emilia Rogoża, Dawid Murawa, Helena Rudnicka, Jakub Deptuła, Jan Lubiński; Cancer Res Treat. 2019;51(1):337-344. Published online May 14, 2018; DOI: https://doi.org/10.4143/crt.2018.157

Abstract PDF PubReader ePub

Purpose
Germline mutations within melanoma susceptibility genes are present only in minority of melanoma patients and it is expected that additional genes will be discovered with next generation sequence technology and whole-exome sequencing (WES).
Materials and Methods
Herein we performed WES on a cohort of 96 unrelated Polish patients with melanoma diagnosed under the age of 40 years who all screened negative for the presence of CDKN2Avariants. A replication study using a set of 1,200 melanoma patient DNA samples and similarly large series of healthy controls was undertaken.
Results
We selected 21 potentially deleterious variants in 20 genes (VRK1, MYCT1, DNAH14, CASC3, MS4A12, PRC1, WWOX, CARD6, EXO5, CASC3, CASP8AP2, STK33, SAMD11, CNDP2, CPNE1, EFCAB6, CABLES1, LEKR1, NUDT17, and RRP15), which were identified by WES and confirmed by Sanger sequencing for an association study. Evaluation of the allele distribution among carriers and their relatives in available family trios revealed that these variants were unlikely to account for many familial cases of melanoma. Replication study revealed no statistically significant differences between cases and controls.
Conclusion
Although most of the changes seemed to be neutral we could not exclude an association between variants in VRK1, CREB3L3, EXO5, and STK33 with melanoma risk.

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