Jwa Hoon Kim, Sang Joon Shin, Woo Kyun Bae, Se Hyun Kim, Jin Young Kim, Hyeon-Su Im, In-Ho Kim, Il Hwan Kim, Kwonoh Park, Eo Jin Kim, Mihong Choi, Joo Han Lim, Hyunho Kim, Kyoungmin Lee, Hyo-Jeong Kim, Jungmin Jo, Hyo Jin Lee, Dalyong Kim, Byeong Seok Sohn, Inkeun Park, Ji Hyun Park
{"title":"Real World Efficacy of 1st-Line Nivolumab Plus Ipilimumab and its Practical Predictive Biomarkers in Advanced Renal Cell Carcinoma: First Analysis from RENOIR Study (KCSG GU22-13).","authors":"Jwa Hoon Kim, Sang Joon Shin, Woo Kyun Bae, Se Hyun Kim, Jin Young Kim, Hyeon-Su Im, In-Ho Kim, Il Hwan Kim, Kwonoh Park, Eo Jin Kim, Mihong Choi, Joo Han Lim, Hyunho Kim, Kyoungmin Lee, Hyo-Jeong Kim, Jungmin Jo, Hyo Jin Lee, Dalyong Kim, Byeong Seok Sohn, Inkeun Park, Ji Hyun Park","doi":"10.4143/crt.2025.846","DOIUrl":"https://doi.org/10.4143/crt.2025.846","url":null,"abstract":"<p><strong>Purpose: </strong>We investigated the real-world efficacy of first-line nivolumab plus ipilimumab (NI) and its predictive clinicopathological biomarkers in patients with advanced renal cell carcinoma(aRCC).</p><p><strong>Materials and methods: </strong>We retrospectively analyzed 466 patients with aRCC who started first-line NI between 2019 and 2023 at 21 Korean tertiary hospitals. The primary outcome was objective response rate (ORR). Secondary outcomes were duration of response (DoR), progression-free survival (PFS), overall survival (OS), and identification of practical clinicopathological biomarkers.</p><p><strong>Results: </strong>Median age of patients was 65 years, and 77.7% were male. ORR was 44.8% including 5.2% of complete response, and median DoR was 39.8 months. Male sex and lung metastasis were predictive markers of objective response, and achieving complete response was significantly associated with a longer DoR (p=0.03). With a median follow-up duration of 23.7 months, the median PFS and OS were 11.5 and 44.2 months, respectively. Full exposure to four cycles of ipilimumab was significantly associated with better PFS and OS. Durable response could significantly predict better OS, whereas multiple metastatic sites (≥4) and poor IMDC risk were two independent predictors for inferior OS. Among the 50 patients who completed 2 years of NI treatment, continuation of nivolumab beyond 2 years has marginally improved OS (p=0.09).</p><p><strong>Conclusion: </strong>First-line NI showed comparable and competent efficacy in Korean patients with aRCC. We suggest completing full exposure to ipilimumab and durable response as practical predictors of enriched benefits of NI in our real-world.</p>","PeriodicalId":49094,"journal":{"name":"Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2025-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145287346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Liu Yang, Bo Wu, Tingyi Sun, Haimei Sun, Jian Ma, Xiaohui Liu, Deshan Zhou, Shu Yang
{"title":"Excess Cholesterol Biosynthesis by Up-Regulated HMGCS1 in Colorectal Cancer Cells Induced M2-Like Tumor-Associated Macrophage Polarization Via Extracellular Vesicles.","authors":"Liu Yang, Bo Wu, Tingyi Sun, Haimei Sun, Jian Ma, Xiaohui Liu, Deshan Zhou, Shu Yang","doi":"10.4143/crt.2025.550","DOIUrl":"https://doi.org/10.4143/crt.2025.550","url":null,"abstract":"<p><strong>Purpose: </strong>The aetiology of colorectal cancer (CRC) is attributed to the intrinsic malignant cell transformation and the extrinsic tumor microenvironment (TME). Within the TME, M2-like tumor-associated macrophages (TAMs) play a pivotal role in promoting CRC malignancy. Although the interaction between tumor cells and TAMs has been studied, the mechanism underlying the polarization of M2-like TAMs directed by CRC cells remains unclear.</p><p><strong>Materials and methods: </strong>Macrophage polarization was analyzed by flow cytometry. Cytokine production was quantified by qPCR. EVs were identified by transmission electron microscopy and western blotting. CRC cell apoptosis and viability were measured by flow cytometry and CCK8 assay, respectively.</p><p><strong>Results: </strong>The results showed that CRC cells have high expression of HMGCS1, the enzyme responsible for catalyzing the synthesis of HMG-CoA during cholesterol biosynthesis. The increased expression of HMGCS1 resulted in an excess of cholesterol in CRC patients. The excess cholesterol derived from CRC cells was released via extracellular vesicles (EVs) and taken up by surrounding macrophages via the CD36 receptor. Macrophages that took up CRC cell-derived cholesterol showed a preferential polarization towards M2-like TAMs, which produced large amounts of pro-tumor cytokines. The production of these cytokines further accelerated the progression of the surrounding CRC.</p><p><strong>Conclusion: </strong>Our findings revealed a mutual stimulatory effect between CRC cells and M2-like TAMs. CRC cells with hyper-expressed HMGCS1 facilitated M2-like TAM polarization by releasing cholesterol-rich EVs, and M2-like TAMs in turn promoted CRC malignancy. These findings suggest that inhibiting excessive cholesterol production may be a promising strategy for the treatment of advanced CRC.</p>","PeriodicalId":49094,"journal":{"name":"Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2025-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145287382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Woo Kyung Ryu, Munkhtsatsral Ganbaatar, Nuri Park, Hyun Young Lee, Hwan-Cheol Kim, Jeong-Seon Ryu, Jun Hyeok Lim
{"title":"Prognostic Impact of Organ-Specific Metastasis in Non-Small-Cell Lung Cancer.","authors":"Woo Kyung Ryu, Munkhtsatsral Ganbaatar, Nuri Park, Hyun Young Lee, Hwan-Cheol Kim, Jeong-Seon Ryu, Jun Hyeok Lim","doi":"10.4143/crt.2025.238","DOIUrl":"https://doi.org/10.4143/crt.2025.238","url":null,"abstract":"<p><strong>Purpose: </strong>Prognostic stratification is essential in non-small-cell lung cancer (NSCLC) to guide treatment decisions. While the TNM staging system has evolved to refine the M category based on metastatic burden, it does not account for differences in prognosis based on the specific organ affected. This study evaluates whether incorporating organ-specific metastasis improves prognostic discrimination in stage IV NSCLC.</p><p><strong>Materials and methods: </strong>We conducted a retrospective cohort study using data from the Korean Central Cancer Registry (2014-2018). Patients with stage IV NSCLC were classified according to the 9th edition TNM classification: M1b (single-organ, single metastasis), M1c1 (multiple metastases within a single organ), and M1c2 (multiple organ metastases). Survival outcomes were compared across groups using Kaplan-Meier analysis and Cox proportional hazards modeling.</p><p><strong>Results: </strong>Among 3,165 patients, 56.5% had single-organ metastases, while 43.5% had multiple organ metastases. Median overall survival (OS) was longest in M1b (8.0 months), followed by M1c1 (6.0 months), and shortest in M1c2 (5.9 months) (p<0.001). However, survival varied by metastatic organ. Liver, adrenal, and uncommon-site metastases were associated with significantly worse OS, even among M1b patients. Some M1b and M1c1 patients with high-risk organ metastases had worse survival than M1c2 patients, challenging the TNM-defined prognostic hierarchy.</p><p><strong>Conclusion: </strong>The current TNM M category does not fully capture the prognostic impact of metastatic organ involvement. Incorporating organ-specific metastases into staging and prognostic models could refine risk stratification and improve personalized treatment approaches for stage IV NSCLC.</p>","PeriodicalId":49094,"journal":{"name":"Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2025-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145287406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kyung-Eun Lee, Sanggil Lee, Jin-Ha Yoon, Shinhee Ye
{"title":"Impact of Occupational Lead Exposure on Lung Cancer Risk in Korean Male Workers: A Retrospective Cohort Study.","authors":"Kyung-Eun Lee, Sanggil Lee, Jin-Ha Yoon, Shinhee Ye","doi":"10.4143/crt.2025.282","DOIUrl":"https://doi.org/10.4143/crt.2025.282","url":null,"abstract":"<p><strong>Purpose: </strong>In 2006, the IARC reported that inorganic lead is carcinogenic in animals but with limited evidence in humans. In addition, some studies have reported that exposure to lead increases the risk of lung cancer, but this remains controversial. Therefore, we aimed to assess the risk of developing lung cancer according to blood lead levels in workers with occupational lead exposure.</p><p><strong>Materials and methods: </strong>A retrospective cohort study of male workers with 2009 blood lead (PbB) concentrations was conducted using nationwide special health examination data (SHED) from 2009 to 2021 and cancer registry data from 1999 to 2020 from the Republic of Korea. Standardized incidence ratios (SIRs) for lung cancer risk at each PbB level were calculated with a five-year wash-out period, adjusting for age, smoking status, duration of exposure, and the number of co-exposures to lung carcinogens.</p><p><strong>Results: </strong>The study included 26,092 workers with an average follow-up period of 9.98 years. Compared with workers with PbB levels <3.130 µg/dL, the adjusted SIRs for lung cancer risk were 2.95 (95% confidence interval [CI]: 1.47-5.27) and 3.13 (95% CI: 1.82-5.00) for workers with PbB levels of 3.130-4.899 and ≥4.900 µg/dL, respectively, indicating a significant dose-response trend.</p><p><strong>Conclusion: </strong>This study demonstrates a significant association between lead exposure and an increased risk of lung cancer, highlighting the need for stronger occupational health policies and ongoing monitoring of workers exposed to lead. The observed dose-response relationship underscores the importance of reassessing current occupational safety standards and strengthening measures to reduce lead exposure in the workplace.</p>","PeriodicalId":49094,"journal":{"name":"Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2025-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145207997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zhiyuan Sun, Tengteng Han, Lianshi Feng, Dewei Mao, Can Zhao, Jie Han, Qinghui Shang
{"title":"Effects of Exercise Interventions on Breast Cancer Patients During Adjuvant Therapy: A Systematic Review and Meta-Analysis.","authors":"Zhiyuan Sun, Tengteng Han, Lianshi Feng, Dewei Mao, Can Zhao, Jie Han, Qinghui Shang","doi":"10.4143/crt.2025.762","DOIUrl":"https://doi.org/10.4143/crt.2025.762","url":null,"abstract":"<p><strong>Purpose: </strong>Exercise can enhance the therapeutic effects of adjuvant medications, improve both physiological and psychological functions, and increase physical fitness among breast cancer patients receiving adjuvant therapy. This systematic review and meta-analysis examined the latest research on the effects of exercise interventions in this population. Furthermore, subgroup analyses were performed based on exercise type, intensity, frequency, duration and Types of adjuvant therapy.</p><p><strong>Materials and methods: </strong>The PubMed, Embase, CINAHL, and CENTRAL databases were systematically searched from inception to April 2024 to identify randomized controlled trials (RCTs) examining the use of exercise interventions among breast cancer patients receiving adjuvant therapy. The data extracted from the included studies were analyzed via RevMan 5.4.</p><p><strong>Results: </strong>A total of 34 studies involving 2,696 participants were included, with 1,369 in the intervention group and 1,327 in the control group, and a mean age ranging from 40 to 60 years. Compared to the control group, exercise interventions improved fatigue, muscular strength, cardiorespiratory fitness, inflammation, and quality of life in breast cancer patients (fatigue: SMD=-0.29, 95% CI (-0.50, 0.09), p=0.005; upper limb strength: SMD=0.50, 95% CI (0.33, 0.68), p<0.00001, lower limb strength: SMD=0.37, 95% CI (0.22, 0.52), p<0.0001; cardiorespiratory fitness: SMD =0.51, 95% CI (0.26,0.75), p<0. 0001; inflammation: SMD =-0.36, 95% CI (-0.66, -0.06), p=0.02; quality of life: SMD=0.21, 95% CI (0.11, 0.31), p< 0.0001). Moderate effect sizes were observed for the alleviation of anxiety and depressive symptoms, although these results did not reach statistical significance (depression: SMD=-0.13, 95% CI (-0.28, 0.02), p=0.08; anxiety: SMD=-0.81, 95% CI (-1.65, 0.03), p=0.06). This meta-analysis was registered in Prospero, the international register of systematic reviews, with registration number: CRD42024553589.</p><p><strong>Conclusion: </strong>Exercise during adjuvant therapy can reduce the side effects of adjuvant medications, improve both physiological and psychological functions, and enhance physical fitness among patients with breast cancer.</p>","PeriodicalId":49094,"journal":{"name":"Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2025-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145207994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Inkeun Park, Shinkyo Yoon, Ilhwan Kim, Kwonoh Park, Suee Lee, Bhumsuk Keam, Joo-Hwan Park, Jin Young Kim, Yoon Ji Choi, Byeong Seok Sohn, Jae Lyun Lee
{"title":"Pemetrexed Maintenance versus Observation in Patients with Advanced Urothelial Carcinoma Who Completed First-Line Platinum-Based Chemotherapy without Disease Progression (PREMIER, KCSG GU16-05).","authors":"Inkeun Park, Shinkyo Yoon, Ilhwan Kim, Kwonoh Park, Suee Lee, Bhumsuk Keam, Joo-Hwan Park, Jin Young Kim, Yoon Ji Choi, Byeong Seok Sohn, Jae Lyun Lee","doi":"10.4143/crt.2024.1003","DOIUrl":"10.4143/crt.2024.1003","url":null,"abstract":"<p><strong>Purpose: </strong>Platinum-based chemotherapy is the standard treatment for advanced urothelial carcinoma (aUC). Switch maintenance therapy after first-line (1L) treatment may delay disease progression. This study evaluated pemetrexed as switch maintenance therapy versus observation in aUC patients without disease progression after initial chemotherapy.</p><p><strong>Materials and methods: </strong>Eligible aUC patients who did not progress after 4-6 cycles of cisplatin or carboplatin-based chemotherapy were randomized 1:1 to receive maintenance pemetrexed (500 mg/m2 intravenously every 3 weeks, up to 16 cycles) or observation. The primary endpoint was progression-free survival (PFS); secondary endpoints included overall survival (OS), response rate, and safety.</p><p><strong>Results: </strong>The trial was closed early due to slow accrual after avelumab approval. From October 2016 to December 2022, 97 patients were randomized to pemetrexed (n=49) or observation (n=48). The median age was 69 years (range, 43 to 90) and 66 (range, 33 to 82), respectively, with 63% and 73% of patients being male, respectively. The median PFS was 6.0 months (95% confidence interval [CI], 3.4 to 8.5) with pemetrexed versus 2.3 months (95% CI, 1.8 to 2.7) with observation (p=0.044; hazard ratio [HR], 0.64; 95% CI, 0.41 to 0.99). The median OS was 18.1 months (95% CI, 6.9 to 29.4) for pemetrexed and 17.9 months (95% CI, 16.1 to 19.7) for observation (p=0.913; HR, 1.03; 95% CI, 0.61 to 1.73). Common adverse events in the pemetrexed group included anemia (30.6%), fatigue (18.4%), and neutropenia (12.2%), primarily grade 1 or 2.</p><p><strong>Conclusion: </strong>The PREMIER trial showed that switch maintenance pemetrexed significantly prolonged PFS in aUC patients post-1L platinum-based chemotherapy, with a favorable safety profile. Further studies on combination maintenance therapies are warranted.</p>","PeriodicalId":49094,"journal":{"name":"Cancer Research and Treatment","volume":" ","pages":"1167-1177"},"PeriodicalIF":3.8,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12527632/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142899659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Chin-Hee Song, Nayoung Kim, Ryoung Hee Nam, Jae Young Jang, Eun Hye Kim, Sungchan Ha, Eun Shin, Ha-Na Lee, Hoon Choi, Kyu-Won Kim, Sejin Jeon, Goo Taeg Oh
{"title":"The Roles of Ninjurin1 and Estrogen in Modulating Azoxymethane/Dextran Sodium Sulfate-Induced Colitis-Associated Colorectal Cancer in Male Mice.","authors":"Chin-Hee Song, Nayoung Kim, Ryoung Hee Nam, Jae Young Jang, Eun Hye Kim, Sungchan Ha, Eun Shin, Ha-Na Lee, Hoon Choi, Kyu-Won Kim, Sejin Jeon, Goo Taeg Oh","doi":"10.4143/crt.2024.959","DOIUrl":"10.4143/crt.2024.959","url":null,"abstract":"<p><strong>Purpose: </strong>Nerve injury-induced protein 1 (Ninj1) is associated with inflammation and tumor progression and shows increased expression in various cancers. This study aimed to investigate the role of Ninj1 in colitis-associated colorectal cancer (CRC) by focusing on its interaction with 17β-estradiol (E2).</p><p><strong>Materials and methods: </strong>Using an azoxymethane (AOM)/dextran sodium sulfate (DSS) mouse model of colitis-associated CRC, wild-type (WT) and Ninj1 knockout (KO) male mice were treated with or without E2.</p><p><strong>Results: </strong>At week 2, Ninj1 KO mice exhibited attenuated colitis symptoms than WT mice following AOM/DSS treatment. E2 administration significantly alleviated these symptoms in both WT and Ninj1 KO mice, with reductions in the disease activity index, colon length shortening, and histopathological damage. The levels of pro-inflammatory mediators were reduced by E2 treatment in both groups, with the Ninj1 KO group showing a more pronounced response. At week 13, tumor development in Ninj1 KO mice was significantly lower than that in WT mice, particularly in the distal colon. E2 treatment inhibited tumor formation in WT mice and had a stronger inhibitory effect on distal colon tumorigenesis in Ninj1 KO mice. Immune cell populations, including the populations of macrophages and T cells, were also modulated by E2 in WT mice; however, these effects were diminished in Ninj1 KO mice.</p><p><strong>Conclusion: </strong>These findings suggest that Ninj1 plays a role in modulating colitis and CRC progression, with E2 exerting anti-inflammatory and anti-tumorigenic effects that are influenced by Ninj1 status.</p>","PeriodicalId":49094,"journal":{"name":"Cancer Research and Treatment","volume":" ","pages":"1115-1134"},"PeriodicalIF":3.8,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12527637/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142985152","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Minkyue Shin, Dae-Ho Choi, Jaeyun Jung, Deok Geun Kim, Minae An, Sung Hee Lim, Seung Tae Kim, Jung Yong Hong, Se Hoon Park, Joon Oh Park, Kyoung-Mee Kim, Jeeyun Lee
{"title":"Epidermal Growth Factor Receptor Aberrations Identified by Next-Generation Sequencing in Patients with Metastatic Cancers.","authors":"Minkyue Shin, Dae-Ho Choi, Jaeyun Jung, Deok Geun Kim, Minae An, Sung Hee Lim, Seung Tae Kim, Jung Yong Hong, Se Hoon Park, Joon Oh Park, Kyoung-Mee Kim, Jeeyun Lee","doi":"10.4143/crt.2024.564","DOIUrl":"10.4143/crt.2024.564","url":null,"abstract":"<p><strong>Purpose: </strong>The epidermal growth factor receptor (EGFR) is a therapeutic target with confirmed clinical efficacy for several cancer types. We aimed to identify EGFR aberrations and their associations with other genomic alterations in patients with metastatic diseases of various cancers.</p><p><strong>Materials and methods: </strong>We used real-world data from the next-generation sequencing (NGS) of 3,286 patients with metastatic cancer at the Samsung Medical Center. We analyzed the distribution of EGFR amplification, mutation, and fusion, as well as their correlations with microsatellite instability (MSI), tumor mutation burden (TMB), and other gene aberrations.</p><p><strong>Results: </strong>A total of 3,286 patients were tested using NGS of a panel covering 523 cancer-related genes (TSO500, Illumina) as part of clinical practice between October 2019 and October 2022. Patients with lung cancer and gliomas were not included in the analysis. Of the 3,286 patients, 175 (5.3%) had EGFR amplification, 38 (1.2%) had EGFR mutations, and eight (0.2%) had EGFR fusion. All 175 patients with EGFR amplifications had microsatellite-stable tumors, but 102 had co-amplifications in other cancer-related genes, and 78 had mutations with clinical significance (tier I/II). Among the 38 patients with EGFR mutations, three (8%) showed MSI-high status, and 11 (29%) demonstrated high TMB (≥ 10 mutations/Mb). Among eight patients with EGFR fusion, three exhibited possible functionalities of the EGFR gene.</p><p><strong>Conclusion: </strong>EGFR aberrations, mainly amplification, followed by mutation and fusion, were present in 6.4% of patients with metastatic solid tumors.</p>","PeriodicalId":49094,"journal":{"name":"Cancer Research and Treatment","volume":" ","pages":"932-941"},"PeriodicalIF":3.8,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12527633/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143505447","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hyeon Ji Kim, Tae-Jun Kim, Jin-Hwa Cho, Mee-Seon Kim, Jin-Seok Byun, Do-Yeon Kim
{"title":"CYBC1 Drives Glioblastoma Progression via Reactive Oxygen Species and NF-κB Pathways.","authors":"Hyeon Ji Kim, Tae-Jun Kim, Jin-Hwa Cho, Mee-Seon Kim, Jin-Seok Byun, Do-Yeon Kim","doi":"10.4143/crt.2024.827","DOIUrl":"10.4143/crt.2024.827","url":null,"abstract":"<p><strong>Purpose: </strong>This study aims to investigate the role of cytochrome b-245 chaperone 1 (CYBC1) in glioblastoma (GBM) progression, focusing on its involvement in reactive oxygen species (ROS) production and associated signaling pathways. Understanding the molecular mechanisms driven by CYBC1 could provide new therapeutic targets and prognostic markers for GBM.</p><p><strong>Materials and methods: </strong>Publicly available datasets were analyzed to assess CYBC1 expression in GBM and its correlation with patient survival. GBM cell lines were genetically manipulated using the CRISPR/Cas9 system to deplete CYBC1. The effects of CYBC1 deficiency on cell proliferation, migration, invasion, and cell cycle dynamics were experimentally evaluated. Additionally, the impact of CYBC1 on the expression of NOXA1, a subunit of NADPH oxidase, and downstream signaling pathways such as nuclear factor кB (NF-κB) was explored.</p><p><strong>Results: </strong>CYBC1 expression was significantly elevated in GBM tissues and correlated with poor patient survival. CYBC1 deficiency in GBM cells resulted in reduced cell viability, migration, and invasion. Mechanistically, CYBC1 positively regulated NOXA1 expression, which in turn enhanced ROS production and activated the ERK·AKT/NF-κB pathways. The suppression of CYBC1 led to decreased ROS levels, reduced phosphorylation of NF-κB, and downregulation of genes involved in epithelial-mesenchymal transition.</p><p><strong>Conclusion: </strong>CYBC1 is implicated in GBM progression by regulating NOXA1-mediated ROS production and activating the ERK·AKT/NF-κB pathways. This study suggests that CYBC1 could serve as a potential therapeutic target and prognostic marker in GBM, warranting further investigation into its molecular mechanisms and therapeutic potential.</p>","PeriodicalId":49094,"journal":{"name":"Cancer Research and Treatment","volume":" ","pages":"951-967"},"PeriodicalIF":3.8,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12527619/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142899650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Geewon Lee, Yang-Jin Kim, Insuk Sohn, Jong Hoon Kim, Ho Yun Lee
{"title":"Tracing Metastatic Evolutionary Patterns in Lung Adenocarcinoma: Prognostic Dissection Based on a Multi-state Model.","authors":"Geewon Lee, Yang-Jin Kim, Insuk Sohn, Jong Hoon Kim, Ho Yun Lee","doi":"10.4143/crt.2024.700","DOIUrl":"10.4143/crt.2024.700","url":null,"abstract":"<p><strong>Purpose: </strong>After surgery for lung adenocarcinoma, a patient may experience various states of recurrence, with multiple factors potentially influencing the transitions between these states. Our purpose was to investigate the effects of clinical and pathological factors on tumor recurrence, death, and prognosis across various metastasizing pathways.</p><p><strong>Materials and methods: </strong>Our study group included 335 patients with all demographic and pathologic data available who underwent surgical resection for lung adenocarcinoma for more than 10 years. The following states of disease were defined: initial state, operation (OP); three intermediate states of local recurrence (LR), metastasis (Meta), and concurrent LR with metastasis (LR+Meta); and a terminal state, death. We identified eight transitions representing various pathways of tumor progression. We employed a multi-state model (MSM) to separate the impacts of multiple prognostic factors on the transitions following surgery.</p><p><strong>Results: </strong>After surgery, approximately half of patients experienced recurrence. Specifically, 142 (42.4%), 54 (16.1%), and seven (2.1%) patients developed Meta, LR+Meta, and LR, respectively. Clinical and pathological factors associated with the transitions were different. Impact of pathological lymph node remained a risk factor for both OP to Meta (λ02, p=0.001) and OP to LR+Meta (λ03, p=0.001).</p><p><strong>Conclusion: </strong>Lung adenocarcinoma displays a broad spectrum of clinical scenarios even after curative surgery. Incidence, risk factors, and prognosis varied across different pathways of recurrence in lung adenocarcinoma patients. The greatest implication of this MSM is its ability to predict the timing and type of clinical intervention that will have the greatest impact on survival.</p>","PeriodicalId":49094,"journal":{"name":"Cancer Research and Treatment","volume":" ","pages":"1019-1029"},"PeriodicalIF":3.8,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12527628/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143123981","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}