Cancer Research and Treatment

Original Articles

Pediatric malignancy

Genome-Wide Association Study for the Identification of Novel Genetic Variants Associated with the Risk of Neuroblastoma in Korean Children: Joon Seol Bae, Ji Won Lee, Jung Eun Yoo, Je-Gun Joung, Keon Hee Yoo, Hong Hoe Koo, Yun-Mi Song, Ki Woong Sung; Cancer Res Treat. 2020;52(4):1251-1261. Published online June 30, 2020; DOI: https://doi.org/10.4143/crt.2020.140

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Purpose
Neuroblastoma (NB) is the most common extracranial solid tumor found in children. To identify significant genetic factors for the risk of NB, several genetic studies was conducted mainly for Caucasians and Europeans. However, considering racial differences, there is a possibility that genetic predispositions that contribute to the development of NB are different, and GWAS study has not yet been conducted on Korean NB patients.
Materials and Methods
To identify the genetic variations associated with the risk of pediatric NB in Korean children, we performed a genome-wide association analysis with 296 NB patients and 1000 unaffected controls (total n = 1,296) after data cleaning and filtering as well as imputation of non-genotyped SNPs using IMPUTE v2.3.2.
Results
After adjusting for multiple comparisons, we found 21 statistically significant SNPs associated with the risk of NB (P^corr < 0.05) within 12 genes (RPTN, MRPS18B, LRRC45, KANSL1L, ARHGEF40, IL15RA, L1TD1, ANO7, LAMA5, OR7G2, SALL4, and NEUROG2). Interestingly, out of these, 12 markers were nonsynonymous SNPs. The SNP rs76015112 was most significantly associated with the risk of NB (p = 8.1E-23, P^corr = 2.3E-17) and was located in the RPTN gene. In addition, significant nonsynonymous SNPs in ADGRE1 were found in patients with MYCN amplification (rs7256147, p = 2.6E-05). In high-risk group, rs7256147 was observed as a significant SNP (p = 5.9E-06).
Conclusion
Our findings might facilitate improved understanding of the mechanism of pediatric NB pathogenesis. However, functional evaluation and replication of these results in other populations are still needed.

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Expression of anoctamin 7 (ANO7) is associated with poor prognosis and mucin 2 (MUC2) in colon adenocarcinoma: a study based on TCGA data
Chen Chen, Siripat Aluksanasuwan, Keerakarn Somsuan
Genomics & Informatics.2023; 21(4): e46. CrossRef
An Overview of Long Non-Coding (lnc)RNAs in Neuroblastoma
Francesca Baldini, Matilde Calderoni, Laura Vergani, Paola Modesto, Tullio Florio, Aldo Pagano
International Journal of Molecular Sciences.2021; 22(8): 4234. CrossRef

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Effect of Adjuvant Chemotherapy after Complete Resection for Pathologic Stage IB Lung Adenocarcinoma in High-Risk Patients as Defined by a New Recurrence Risk Scoring Model: Hyo Joon Jang, Sukki Cho, Kwhanmien Kim, Sanghoon Jheon, Hee Chul Yang, Dong Kwan Kim; Cancer Res Treat. 2017;49(4):898-905. Published online January 18, 2017; DOI: https://doi.org/10.4143/crt.2016.312

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Purpose
We conducted a retrospective analysis to determine if adjuvant chemotherapy prolongs overall survival in patients with pathologic stage IB lung adenocarcinoma who had undergone complete resection and were defined as high-risk by a newly developed recurrence risk scoring model.
Materials and Methods
Patientswho underwent curative resection for stage IB lung adenocarcinomawere analyzed with a newly developed recurrence risk scoring model and divided into a low-risk group and a high-risk group. The patients in the high-risk group were retrospectively divided into two groups based on whether they underwent adjuvant chemotherapy or observation. Recurrence-free survival and overall survival were compared between these two groups.
Results
A total of 328 patients who underwent curative resection between 2000 and 2009 were included in this study, of whom 110 (34%) received adjuvant chemotherapy and 218 (67%) underwent observation without additional treatment. According to our risk model, 167 patients (51%) were high-risk and 161 (49%) were low-risk. The 5-year recurrence-free survival rates and overall survival were 84.4% and 91.5% in low-risk patients and 53.9% and 74.7% in high-risk patients (p < 0.001). In high-risk patients, the 5-year overall survival rates were 77% among patients who underwent observation and 87% among those who underwent adjuvant chemotherapy (p=0.019).
Conclusion
Adjuvant chemotherapy prolonged overall survival among high-risk patients who had undergone complete resection for stage IB lung adenocarcinoma.

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Influence of adjuvant chemotherapy on survival for patients with completely resected high-risk stage IB NSCLC
Zi-Qing Shen, Kun-Peng Feng, Zi-Yao Fang, Tian Xia, Shu Pan, Cheng Ding, Chun Xu, Sheng Ju, Jun Chen, Chang Li, Jun Zhao
Journal of Cardiothoracic Surgery.2024;[Epub] CrossRef
Surgically Treated pT2aN0M0 (Stage IB) Non-Small Cell Lung Cancer: A 20-Year Single-Center Retrospective Study
Monica Casiraghi, Francesco Petrella, Claudia Bardoni, Shehab Mohamed, Giulia Sedda, Juliana Guarize, Antonio Passaro, Filippo De Marinis, Patrick Maisonneuve, Lorenzo Spaggiari
Journal of Clinical Medicine.2023; 12(5): 2081. CrossRef
A Novel Nomogram for Identifying Candidates for Adjuvant Chemotherapy in Patients With Stage IB Non-small Cell Lung Cancer
Xue Song, Yangyang Xie, Haoran Deng, Fei Yu, Shiqiang Wang, Yafang Lou
Cancer Control.2023;[Epub] CrossRef
Adjuvant chemotherapy may improve long-term outcomes in stage IB non-small cell lung cancer patients with previous malignancies: A propensity score-matched analysis
Ke Zhou, Yaqin Zhao, Linchuan Liang, Jie Cao, Huahang Lin, Zhiyu Peng, Jiandong Mei
Frontiers in Oncology.2022;[Epub] CrossRef
A Population-Based Study on the Prognostic factors and Efficacy of Adjuvant Chemotherapy in the Postoperative Stage for Patients with Stage IIA Non-Small Cell Lung Cancer
Wei Wang, Fei Teng, Shi Bu, Wei Xu, Qing-Chun Cai, Yue-Quan Jiang, Zhi-Qiang Wang
Risk Management and Healthcare Policy.2022; Volume 15: 1581. CrossRef
Personalized Prescription of Chemotherapy Based on Assessment of mRNA Expression of BRCA1, RRM1, ERCC1, TOP1, TOP2α, TUBβ3, TYMS, and GSTP1 Genes in Tumors Compared to Standard Chemotherapy in the Treatment of Non-Small-Cell Lung Cancer
Matvey M. Tsyganov, Evgeny O. Rodionov, Marina K. Ibragimova, Sergey V. Miller, Olga V. Cheremisina, Irina G. Frolova, Sergey A. Tuzikov, Nikolai V. Litviakov
Journal of Personalized Medicine.2022; 12(10): 1647. CrossRef
Survival Nomogram for Stage IB Non-Small-Cell Lung Cancer Patients, Based on the SEER Database and an External Validation Cohort
Zhichao Zuo, Guochao Zhang, Peng Song, Jing Yang, Shuiting Li, Zhi Zhong, Qinghao Tan, Liming Wang, Qi Xue, Shugeng Gao, Nan Sun, Jie He
Annals of Surgical Oncology.2021; 28(7): 3941. CrossRef
Drug Regimen for Patients after a Pneumonectomy
Noheul Kim, Ronny Priefer
Journal of Respiration.2021; 1(2): 114. CrossRef
Prognostic stratification of pathological node-negative lung adenocarcinoma by carcinoembryonic antigen level
Khashchuluun Batmunkh, Sukki Cho, Sungwon Yum, Kwhanmien Kim, Sanghoon Jheon
Interactive CardioVascular and Thoracic Surgery.2020; 30(6): 820. CrossRef
Effects of adjuvant chemotherapy on survival of patients with stage IB non-small cell lung cancer with visceral pleural invasion
Jun Xie, Xian Zhang, Song Hu, Wan-Da Peng, Bin Xu, Yan Li, Su-Juan Zhang, Qing Li, Chong Li
Journal of Cancer Research and Clinical Oncology.2020; 146(9): 2231. CrossRef

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Analysis of High Risk Factors for Lymph Node Metastasis in Early Gastric Cancer: Sung Hoon Noh, Wan Soo Kim, Ki Hyeok Lah, Yong Il Kim, Seung Ho Choi, Coong Bai Kim, Jin Sik Min, Kyung Shik Lee; J Korean Cancer Assoc. 1996;28(1):27-35.

Abstract PDF: The prognosis of early gastric cancer (EGC) is generally excellent, and the proportion of EGC cases to advanced gastric cancer cases is steadily increasing nowadays. The presence or absence of lymph node metastasis in EGC is important prognostic factor, in other words, the survival rate or recurrence rate of node negative EGC is known to be much better than that of node positive ones. Retrospective analysis was performed for 682 EGC cases which underwent more than D2 resection in Yonsei medical center between 1986 Jan. to 1993 Dec, in order to investigate the clinicopathological factors to predict the possibility of lymph node metastasis. In this study, several factors such as age, sex, tumor location, tumor size, multiplicity, depth of invasion, macroscopic and histologic type were evaluated to determine the significance. In the analysis of these eight factors, sex, tumor size, depth of invasion and macroscopic type were statistically correlated with lymph node metastasis. We consider these factors to be possible high risk factors for lymph node metastasis in early gastric cancer.

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