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Choi A, Hunting J, Lanier C, Douglas E, Triozzi P, Ruiz J, Benayoun M, White J, Chan M. Treatment Options for Brain Metastases. Curr Treat Options Oncol 2024; 25:1011-1026. [PMID: 39037617 PMCID: PMC11329393 DOI: 10.1007/s11864-024-01195-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/04/2024] [Indexed: 07/23/2024]
Abstract
OPINION STATEMENT Therapies for brain metastasis continue to evolve as the life expectancies for patients have continued to prolong. Novel advances include the use of improved technology for radiation delivery, surgical guidance, and response assessment, along with systemic therapies that can pass through the blood brain barrier. With increasing complexity of treatments and the increased need for salvage treatments, multi-disciplinary management has become significantly more important.
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Affiliation(s)
- Ariel Choi
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - John Hunting
- Department of Medicine (Hematology and Oncology), Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Claire Lanier
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Emily Douglas
- Department of Medicine (Hematology and Oncology), Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Pierre Triozzi
- Department of Medicine (Hematology and Oncology), Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Jimmy Ruiz
- Department of Medicine (Hematology and Oncology), Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Marc Benayoun
- Department of Radiology at Wake Forest School of Medicine, Winston‑Salem, NC, USA
| | - Jaclyn White
- Department of Neurosurgery, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Michael Chan
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, USA.
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Akın D, Kahraman Çeti N N, Erdoğdu İH, Öztürk H, Meteoğlu İ. Clinicopathological significance of mutation profile detected by next generation sequencing in different metastatic organs of non-small cell lung cancers. Pathol Res Pract 2024; 260:155463. [PMID: 39013258 DOI: 10.1016/j.prp.2024.155463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 06/28/2024] [Accepted: 07/12/2024] [Indexed: 07/18/2024]
Abstract
BACKGROUND The primary tumor and it's metastases show heterogeneity in molecular studies for targeted therapies in Non-Small Cell Lung Cancer(NSCLC), the leading cause of cancer-related deaths worldwide. The study aimed to identify somatic mutations in biopsies from NSCLC patients' metastatic organs using Next-Generation Sequencing(NGS) and examine their association with clinicopathological parameters. MATERIALS AND METHODS The study included 128 NSCLC patients and, NGS was performed on tumor biopsies from different metastatic organs at Molecular Pathology laboratory of the Department of Medical Pathology in Aydın Adnan Menderes University Faculty of Medicine. The age, gender, histopathological diagnoses, metastatic organs, smoking and mutation status were all recorded, along with the analysis results of 72 genes and 4149 primers in the panel of the NGS system. RESULTS 53.9 % of the cases had a history of smoking and patients with brain metastases had a higher smoking rate(p=0.000). The most common occurrence(39.8 %) was lymph node metastasis, followed by brain(19.5 %). There was a strong correlation between mutation presence and metastasis in the liver(p=0.012), bone(p=0.002), and pleura(p=0.008). Smokers had a higher frequency of KRAS(p=0.000) and TP53(p=0.001) mutations. Brain metastases showed a statistically significant NF1 mutation(p=0.001), while the liver exhibited a significant BRAF mutation(p=0.000). NF1-TP53, PTEN-TP53 and NF1-PTEN were the most common concomitant mutations and, the brain was the most common metastatic organ in which they occurred. CONCLUSION Our results suggest prizing assessing detected mutations, in the prediction, follow-up and management of metastases, especially in patients with lung adenocarcinoma. The assessment also needs to consider the tumor's mutation status in metastatic organs. New therapeutic agents targeting NF1 mutations will be available in the future to treat NSCLC, especially in metastases.
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Affiliation(s)
- Dilara Akın
- Department of Pathology, Aydın Adnan Menderes University Faculty of Medicine, Aydın, Turkey
| | - Nesibe Kahraman Çeti N
- Department of Pathology, Aydın Adnan Menderes University Faculty of Medicine, Aydın, Turkey.
| | - İbrahim Halil Erdoğdu
- Department of Pathology, Aydın Adnan Menderes University Faculty of Medicine, Aydın, Turkey
| | - Hakan Öztürk
- Department of Biostatistics, Aydın Adnan Menderes University Faculty of Medicine, Aydın, Turkey
| | - İbrahim Meteoğlu
- Department of Pathology, Aydın Adnan Menderes University Faculty of Medicine, Aydın, Turkey
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Jeong S, Poudyal S, Klagges S, Kuhnt T, Papsdorf K, Hambsch P, Wach J, Güresir E, Nägler F, Rühle A, Nicolay NH, Seidel C. Diabetes Mellitus Is a Strong Independent Negative Prognostic Factor in Patients with Brain Metastases Treated with Radiotherapy. Cancers (Basel) 2023; 15:4845. [PMID: 37835539 PMCID: PMC10571851 DOI: 10.3390/cancers15194845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 09/07/2023] [Accepted: 09/29/2023] [Indexed: 10/15/2023] Open
Abstract
BACKGROUND Brain metastases (BM) cause relevant morbidity and mortality in cancer patients. The presence of cerebrovascular diseases can alter the tumor microenvironment, cellular proliferation and treatment resistance. However, it is largely unknown if the presence of distinct cerebrovascular risk factors may alter the prognosis of patients with BM. METHODS Patients admitted for the radiotherapy of BM at a large tertiary cancer center were included. Patient and survival data, including cerebrovascular risk factors (diabetes mellitus (DM), smoking, arterial hypertension, peripheral arterial occlusive disease, hypercholesterolemia and smoking) were recorded. RESULTS 203 patients were included. Patients with DM (n = 39) had significantly shorter overall survival (OS) (HR 1.75 (1.20-2.56), p = 0.003, log-rank). Other vascular comorbidities were not associated with differences in OS. DM remained prognostically significant in the multivariate Cox regression including established prognostic factors (HR 1.92 (1.20-3.06), p = 0.006). Furthermore, subgroup analyses revealed a prognostic role of DM in patients with non-small cell lung cancer, both in univariate (HR 1.68 (0.97-2.93), p = 0.066) and multivariate analysis (HR 2.73 (1.33-5.63), p = 0.006), and a trend in melanoma patients. CONCLUSION DM is associated with reduced survival in patients with BM. Further research is necessary to better understand the molecular mechanisms and therapeutic implications of this important interaction.
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Affiliation(s)
- Seong Jeong
- Department of Radiation Oncology, University of Leipzig Medical Center, 04103 Leipzig, Germany (S.P.); (T.K.)
- Comprehensive Cancer Center Central Germany, Partner Site Leipzig, 04103 Leipzig, Germany; (J.W.)
| | - Soniya Poudyal
- Department of Radiation Oncology, University of Leipzig Medical Center, 04103 Leipzig, Germany (S.P.); (T.K.)
- Comprehensive Cancer Center Central Germany, Partner Site Leipzig, 04103 Leipzig, Germany; (J.W.)
| | | | - Thomas Kuhnt
- Department of Radiation Oncology, University of Leipzig Medical Center, 04103 Leipzig, Germany (S.P.); (T.K.)
- Comprehensive Cancer Center Central Germany, Partner Site Leipzig, 04103 Leipzig, Germany; (J.W.)
| | - Kirsten Papsdorf
- Department of Radiation Oncology, University of Leipzig Medical Center, 04103 Leipzig, Germany (S.P.); (T.K.)
- Comprehensive Cancer Center Central Germany, Partner Site Leipzig, 04103 Leipzig, Germany; (J.W.)
| | - Peter Hambsch
- Department of Radiation Oncology, University of Leipzig Medical Center, 04103 Leipzig, Germany (S.P.); (T.K.)
- Comprehensive Cancer Center Central Germany, Partner Site Leipzig, 04103 Leipzig, Germany; (J.W.)
| | - Johannes Wach
- Comprehensive Cancer Center Central Germany, Partner Site Leipzig, 04103 Leipzig, Germany; (J.W.)
- Department of Neurosurgery, University of Leipzig Medical Center, 04103 Leipzig, Germany
| | - Erdem Güresir
- Comprehensive Cancer Center Central Germany, Partner Site Leipzig, 04103 Leipzig, Germany; (J.W.)
- Department of Neurosurgery, University of Leipzig Medical Center, 04103 Leipzig, Germany
| | - Franziska Nägler
- Department of Radiation Oncology, University of Leipzig Medical Center, 04103 Leipzig, Germany (S.P.); (T.K.)
- Comprehensive Cancer Center Central Germany, Partner Site Leipzig, 04103 Leipzig, Germany; (J.W.)
| | - Alexander Rühle
- Department of Radiation Oncology, University of Leipzig Medical Center, 04103 Leipzig, Germany (S.P.); (T.K.)
- Comprehensive Cancer Center Central Germany, Partner Site Leipzig, 04103 Leipzig, Germany; (J.W.)
| | - Nils H. Nicolay
- Department of Radiation Oncology, University of Leipzig Medical Center, 04103 Leipzig, Germany (S.P.); (T.K.)
- Comprehensive Cancer Center Central Germany, Partner Site Leipzig, 04103 Leipzig, Germany; (J.W.)
| | - Clemens Seidel
- Department of Radiation Oncology, University of Leipzig Medical Center, 04103 Leipzig, Germany (S.P.); (T.K.)
- Comprehensive Cancer Center Central Germany, Partner Site Leipzig, 04103 Leipzig, Germany; (J.W.)
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Yu J, Zhang Y, Liu Z, He Y, Pei Y, Zhang R, Peng X, Fang F. Association of smoking with the survival of patients with brain metastasis of lung cancer. Front Neurol 2023; 14:1036387. [PMID: 36994380 PMCID: PMC10040669 DOI: 10.3389/fneur.2023.1036387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 02/20/2023] [Indexed: 03/15/2023] Open
Abstract
BackgroundSmoking is associated with increased mortality in patients with cancer. However, there are limited data on the impact of smoking on the survival of patients with brain metastases. Therefore, this study aimed to evaluate whether smoking was associated with survival and whether smoking cessation was beneficial to these patients.MethodsThis study used lung cancer with a brain metastasis cohort of the West China Hospital of Sichuan University from 2013 to 2021. Patients were stratified according to smoking history; the distribution, clinical characteristics, and survival data of each group were estimated. Kaplan-Meier analysis and risk analysis were performed for the survival endpoint.ResultsOf the 2,647 patients included in the analysis, the median age was 57.8 years, and 55.4% were men. Among them, 67.1% had no smoking history, 18.9% still smoked, and 14% reported quitting smoking. Compared with never smokers, current smokers [HR, 1.51 (95% CI, 1.35-1.69), p < 0.01] and former smokers [HR, 1.32 (95% CI, 1.16-1.49), p<0.01] had an increased risk of death. However, quitting smoking was not associated with improved survival [HR, 0.90 (95% CI, 0.77-1.04), p = 0.16]. The overall survival increased with the increase of smoking cessation years.ConclusionsIn lung cancer patients with brain metastases, smoking was associated with an increased risk of death, but quitting smoking was not associated with improved survival.
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Affiliation(s)
- Jiayi Yu
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yu Zhang
- Department of Neurosurgery, Affiliated Hospital of Chengdu University, Chengdu, Sichuan, China
| | - Zheran Liu
- Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yan He
- Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yiyan Pei
- Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Renjie Zhang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xingchen Peng
- Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
- *Correspondence: Xingchen Peng
| | - Fang Fang
- West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Fang Fang
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Tyagi A, Wu SY, Sharma S, Wu K, Zhao D, Deshpande R, Singh R, Li W, Topaloglu U, Ruiz J, Watabe K. Exosomal miR-4466 from nicotine-activated neutrophils promotes tumor cell stemness and metabolism in lung cancer metastasis. Oncogene 2022; 41:3079-3092. [PMID: 35461327 PMCID: PMC9135627 DOI: 10.1038/s41388-022-02322-w] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 04/07/2022] [Accepted: 04/11/2022] [Indexed: 01/28/2023]
Abstract
Smoking is associated with lung cancer and has a profound impact on tumor immunity. Nicotine, the addictive and non-carcinogenic smoke component, influences various brain cells and the immune system. However, how long-term use of nicotine affects brain metastases is poorly understood. We, therefore, examined the mechanism by which nicotine promotes lung cancer brain metastasis. In this study, we conducted a retrospective analysis of 810 lung cancer patients with smoking history and assessed brain metastasis. We found that current smoker's lung cancer patients have significantly higher brain metastatic incidence compared to the never smokers. We also found that chronic nicotine exposure recruited STAT3-activated N2-neutrophils within the brain pre-metastatic niche and secreted exosomal miR-4466 which promoted stemness and metabolic switching via SKI/SOX2/CPT1A axis in the tumor cells in the brain thereby enabling metastasis. Importantly, exosomal miR-4466 levels were found to be elevated in serum/urine of cancer-free subjects with a smoking history and promote tumor growth in vivo, suggesting that exosomal miR-4466 may serve as a promising prognostic biomarker for predicting increased risk of metastatic disease among smoker(s). Our findings suggest a novel pro-metastatic role of nicotine-induced N2-neutrophils in the progression of brain metastasis. We also demonstrated that inhibiting nicotine-induced STAT3-mediated neutrophil polarization effectively abrogated brain metastasis in vivo. Our results revealed a novel mechanistic insight on how chronic nicotine exposure contributes to worse clinical outcome of metastatic lung cancer and implicated the risk of using nicotine gateway for smoking cessation in cancer patients.
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Affiliation(s)
- Abhishek Tyagi
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, United States
| | - Shih-Ying Wu
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, United States
| | - Sambad Sharma
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, United States
| | - Kerui Wu
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, United States
| | - Dan Zhao
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, United States
| | - Ravindra Deshpande
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, United States
| | - Ravi Singh
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, United States
| | - Wencheng Li
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, United States
| | - Umit Topaloglu
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, United States
| | - Jimmy Ruiz
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, United States
| | - Kounosuke Watabe
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, United States.
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Chawla S, Tewarie IA, Zhang QO, Hulsbergen AFC, Mekary RA, Broekman MLD. The effect of smoking on survival in lung carcinoma patients with brain metastasis: a systematic review and meta-analysis. Neurosurg Rev 2022; 45:3055-3066. [PMID: 35831518 PMCID: PMC9492581 DOI: 10.1007/s10143-022-01832-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 06/15/2022] [Accepted: 07/04/2022] [Indexed: 02/03/2023]
Abstract
The effects of smoking on survival in BM patients have yet to be reviewed and meta-analysed. However, previous studies have shown that smokers had a greater risk of dying from lung cancer compared to non-smokers. This meta-analysis, therefore, aimed to analyse the effects of cigarette smoking on overall survival (OS) and progression-free survival (PFS) in lung cancer BM patients. PubMed, Embase, Web of Science, Cochrane and Google Scholar were searched for comparative studies regarding the effects of smoking on incidence and survival in brain metastases patients up to December 2020. Three independent reviewers extracted overall survival (OS) and progression-free survival data (PFS). Random-effects models were used to pool multivariate-adjusted hazard ratios (HR). Out of 1890 studies, fifteen studies with a total of 2915 patients met our inclusion criteria. Amongst lung carcinoma BM patients, those who were smokers (ever or yes) had a worse overall survival (HR: 1.34, 95% CI 1.13, 1.60, I2: 72.1%, p-heterogeneity < 0.001) than those who were non-smokers (never or no). A subgroup analysis showed the association to remain significant in the ever/never subgroup (HR: 1.34, 95% CI 1.11, 1.63) but not in the yes/no smoking subgroup (HR: 1.30, 95% CI 0.44, 3.88). This difference between the two subgroups was not statistically significant (p = 0.91). Amongst lung carcinoma BM patients, smoking was associated with a worse OS and PFS. Future studies examining BMs should report survival data stratified by uniform smoking status definitions.
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Affiliation(s)
- Shreya Chawla
- Faculty of Life Sciences and Medicine, King’s College London, London, WC2R 2LS UK ,Computational Neuroscience Outcomes Center (CNOC), Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115 USA
| | - Ishaan A. Tewarie
- Computational Neuroscience Outcomes Center (CNOC), Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115 USA ,Department of Neurosurgery, Leiden University Medical Center, Albinusdreef 2, 2333ZA Leiden, Zuid-Holland The Netherlands ,Department of Neurosurgery, Haaglanden Medical Center, Lijnbaan 32, 2512VA The Hague, Zuid-Holland The Netherlands
| | - Qingwei O. Zhang
- Faculty of Medicine, Imperial College London, London, SW7 2AZ UK
| | - Alexander F. C. Hulsbergen
- Computational Neuroscience Outcomes Center (CNOC), Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115 USA ,Department of Neurosurgery, Leiden University Medical Center, Albinusdreef 2, 2333ZA Leiden, Zuid-Holland The Netherlands ,Department of Neurosurgery, Haaglanden Medical Center, Lijnbaan 32, 2512VA The Hague, Zuid-Holland The Netherlands
| | - Rania A. Mekary
- Computational Neuroscience Outcomes Center (CNOC), Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115 USA ,Department of Pharmaceutical Business and Administrative Sciences, School of Pharmacy, Massachusetts College of Pharmacy and Health Sciences (MCPHS) University, 179 Longwood Avenue, Boston, MA 02115 USA
| | - Marike L. D. Broekman
- Department of Neurosurgery, Leiden University Medical Center, Albinusdreef 2, 2333ZA Leiden, Zuid-Holland The Netherlands ,Department of Neurosurgery, Haaglanden Medical Center, Lijnbaan 32, 2512VA The Hague, Zuid-Holland The Netherlands ,Department of Neurology, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA 02114 USA
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Su CC, Wu JT, Neal JW, Popat RA, Kurian AW, Backhus LM, Nagpal S, Leung AN, Wakelee HA, Han SS. Impact of Low-Dose Computed Tomography Screening for Primary Lung Cancer on Subsequent Risk of Brain Metastasis. J Thorac Oncol 2021; 16:1479-1489. [PMID: 34091050 DOI: 10.1016/j.jtho.2021.05.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 05/05/2021] [Accepted: 05/12/2021] [Indexed: 01/29/2023]
Abstract
INTRODUCTION Brain metastasis (BM) is one of the most common metastases from primary lung cancer (PLC). Recently, the National Lung Screening Trial revealed the efficacy of low-dose computed tomography (LDCT) screening on LC mortality reduction. Nevertheless, it remains unknown if early detection of PLC through LDCT may be potentially beneficial in reducing the risk of subsequent metastases. Our study aimed to investigate the impact of LDCT screening for PLC on the risk of developing BM after PLC diagnosis. METHODS We used the National Lung Screening Trial data to identify 1502 participants who were diagnosed with PLC in 2002 to 2009 and have follow-up data for BM. Cause-specific competing risk regression was applied to evaluate an association between BM risk and the mode of PLC detection-that is, LDCT screen-detected versus non-LDCT screen-detected. Subgroup analyses were conducted in patients with early stage PLC and those who underwent surgery for PLC. RESULTS Of 1502 participants, 41.4% had PLC detected through LDCT screening versus 58.6% detected through other methods, for example, chest radiograph or incidental detection. Patients whose PLC was detected with LDCT screening had a significantly lower 3-year incidence of BM (6.5%) versus those without (11.9%), with a cause-specific hazard ratio (HR) of 0.53 (p = 0.001), adjusting for age at PLC diagnosis, PLC stage, PLC histology, and smoking status. This significant reduction in BM risk among PLCs detected through LDCT screening persisted in subgroups of participants with early stage PLC (HR = 0.47, p = 0.002) and those who underwent surgery (HR = 0.37, p = 0.001). CONCLUSIONS Early detection of PLC using LDCT screening is associated with lower risk of BM after PLC diagnosis on the basis of a large population-based study.
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Affiliation(s)
- Chloe C Su
- Quantitative Sciences Unit, Department of Medicine, Stanford University School of Medicine, Stanford, California; Department of Epidemiology & Population Health, Stanford University School of Medicine, Stanford, California
| | - Julie T Wu
- Division of Oncology, Department of Medicine, Stanford University School of Medicine, Stanford, California
| | - Joel W Neal
- Division of Oncology, Department of Medicine, Stanford University School of Medicine, Stanford, California; Stanford Cancer Institute, Stanford University School of Medicine, Stanford, California
| | - Rita A Popat
- Department of Epidemiology & Population Health, Stanford University School of Medicine, Stanford, California
| | - Allison W Kurian
- Division of Oncology, Department of Medicine, Stanford University School of Medicine, Stanford, California; Stanford Cancer Institute, Stanford University School of Medicine, Stanford, California
| | - Leah M Backhus
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, California; Department of Cardiothoracic Surgery, Stanford University School of Medicine, Stanford, California; Veterans Affairs Palo Alto Healthcare System, Palo Alto, California
| | - Seema Nagpal
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, California; Department of Neurology & Neurological Sciences, Stanford University of Medicine, Stanford, California; Department of Neurosurgery, Stanford University School of Medicine, Stanford, California
| | - Ann N Leung
- Department of Radiology, Stanford University School of Medicine, Stanford, California
| | - Heather A Wakelee
- Division of Oncology, Department of Medicine, Stanford University School of Medicine, Stanford, California; Stanford Cancer Institute, Stanford University School of Medicine, Stanford, California
| | - Summer S Han
- Quantitative Sciences Unit, Department of Medicine, Stanford University School of Medicine, Stanford, California; Stanford Cancer Institute, Stanford University School of Medicine, Stanford, California; Department of Neurosurgery, Stanford University School of Medicine, Stanford, California.
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Wu SY, Xing F, Sharma S, Wu K, Tyagi A, Liu Y, Zhao D, Deshpande RP, Shiozawa Y, Ahmed T, Zhang W, Chan M, Ruiz J, Lycan TW, Dothard A, Watabe K. Nicotine promotes brain metastasis by polarizing microglia and suppressing innate immune function. J Exp Med 2021; 217:151838. [PMID: 32496556 PMCID: PMC7398164 DOI: 10.1084/jem.20191131] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 09/09/2019] [Accepted: 03/02/2020] [Indexed: 12/15/2022] Open
Abstract
Up to 40% of lung cancer patients develop brain metastasis, and the median survival of these patients remains less than 6 months. Smoking is associated with lung cancer. However, how smoking impacts the development of brain metastasis remains elusive. We examined 281 lung cancer patients with distant metastasis and found that smokers exhibited a significantly high incidence of brain metastasis. We found that nicotine enhanced brain metastasis, while a depletion of microglia suppressed this effect in vivo. Nicotine skewed the polarity of microglia to the M2 phenotype, thereby increasing the secretion of IGF-1 and CCL20, which promoted tumor progression and stemness. Importantly, nicotine enhanced the expression of SIRPα in microglia and restricted their phagocytic ability. We also identified a compound, parthenolide, that suppressed brain metastasis by blocking M2 polarization. Our results indicate that nicotine promotes brain metastasis by skewing the polarity of M2 microglia, which enhances metastatic tumor growth. Our results also highlight a potential risk of using nicotine for tobacco cessation.
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Affiliation(s)
- Shih-Ying Wu
- Department of Cancer Biology, Wake Forest Baptist Medical Center, Winston-Salem, NC
| | - Fei Xing
- Department of Cancer Biology, Wake Forest Baptist Medical Center, Winston-Salem, NC
| | - Sambad Sharma
- Department of Cancer Biology, Wake Forest Baptist Medical Center, Winston-Salem, NC
| | - Kerui Wu
- Department of Cancer Biology, Wake Forest Baptist Medical Center, Winston-Salem, NC
| | - Abhishek Tyagi
- Department of Cancer Biology, Wake Forest Baptist Medical Center, Winston-Salem, NC
| | - Yin Liu
- Department of Cancer Biology, Wake Forest Baptist Medical Center, Winston-Salem, NC
| | - Dan Zhao
- Department of Cancer Biology, Wake Forest Baptist Medical Center, Winston-Salem, NC
| | | | - Yusuke Shiozawa
- Department of Cancer Biology, Wake Forest Baptist Medical Center, Winston-Salem, NC
| | - Tamjeed Ahmed
- Department of Medicine, Section of Oncology and Hematology, Wake Forest Baptist Medical Center, Winston-Salem, NC
| | - Wei Zhang
- Department of Cancer Biology, Wake Forest Baptist Medical Center, Winston-Salem, NC
| | - Michael Chan
- Department of Radiation Oncology, Wake Forest Baptist Medical Center, Winston-Salem, NC
| | - Jimmy Ruiz
- Department of Medicine, Section of Oncology and Hematology, Wake Forest Baptist Medical Center, Winston-Salem, NC.,Section of Hematology and Oncology, W.G. (Bill) Hefner VA Medical Center, Salisbury, NC
| | - Thomas W Lycan
- Department of Medicine, Section of Oncology and Hematology, Wake Forest Baptist Medical Center, Winston-Salem, NC
| | - Andrew Dothard
- Department of Medicine, Section of Oncology and Hematology, Wake Forest Baptist Medical Center, Winston-Salem, NC
| | - Kounosuke Watabe
- Department of Cancer Biology, Wake Forest Baptist Medical Center, Winston-Salem, NC
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Zhou CS, Feng MT, Chen X, Gao Y, Chen L, Li LD, Li DH, Cao YQ. Exonuclease 1 (EXO1) is a Potential Prognostic Biomarker and Correlates with Immune Infiltrates in Lung Adenocarcinoma. Onco Targets Ther 2021; 14:1033-1048. [PMID: 33623391 PMCID: PMC7894803 DOI: 10.2147/ott.s286274] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 01/16/2021] [Indexed: 12/16/2022] Open
Abstract
Background Exonuclease 1 (EXO1) has been identified to be highly expressed in different human malignancies, but its expression and prognostic role in lung adenocarcinoma (LUAD) remain unknown. Materials and Methods Two independent cohorts extracted from public databases and one cohort from our center were analyzed in this study. Expression levels of EXO1 in LUAD tissues and paired para-cancer tissues were detected. The prognostic value of EXO1 in LUAD patients was evaluated in the three cohorts. Enrichment analyses were performed to explore the possible underlying biological pathways. Moreover, we also explored the correlations between EXO1 and tumor-infiltrating immune cells and evaluated the impact of EXO1 knock-down on the migration of lung cancer cells. Results In this study, we found that EXO1 was highly expressed in LUAD tissues compared with para-cancerous tissues in public databases (p < 0.01), which was consistent with our data (p < 0.01). Survival analysis indicated that high expression of EXO1 was associated with poor prognosis in LUAD (p < 0.01). Enrichment analyses indicated that biological pathways like cell cycle regulation, DNA damage and repair, immune response, neuroactive ligand-receptor interaction, may be associated with EXO1 aberrant expression. Moreover, high expression of EXO1 was correlated with decreased infiltrating B cells (p < 0.01) and CD4+ T cells (p < 0.01) levels, and low infiltrating levels of B cells (p < 0.01) and dendritic cells (DCs) (p < 0.05) indicated poor overall survival (OS) in LUAD. Additionally, in vitro experiments suggested that knockdown of EXO1 may inhibit the migratory ability of lung cancer cells. Conclusion In conclusion, EXO1 is a potential prognostic biomarker in LUAD, and correlates with infiltrating levels of immune cells in the tumor microenvironment. Further prospective validation of EXO1 in lung cancer is warranted.
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Affiliation(s)
- Chang-Shuai Zhou
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, Shanghai, People's Republic of China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Ming-Tao Feng
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, Shanghai, People's Republic of China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Xin Chen
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, Shanghai, People's Republic of China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Yang Gao
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, Shanghai, People's Republic of China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Lei Chen
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, Shanghai, People's Republic of China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Liang-Dong Li
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, Shanghai, People's Republic of China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - De-Heng Li
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, Shanghai, People's Republic of China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Yi-Qun Cao
- Department of Neurosurgery, Fudan University Shanghai Cancer Center, Shanghai, People's Republic of China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
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10
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Li J, Li H, Zhang C, Zhang C, Wang H. Integrative analysis of genomic alteration, immune cells infiltration and prognosis of lung squamous cell carcinoma (LUSC) to identify smoking-related biomarkers. Int Immunopharmacol 2020; 89:107053. [PMID: 33045568 DOI: 10.1016/j.intimp.2020.107053] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 09/23/2020] [Accepted: 09/25/2020] [Indexed: 12/13/2022]
Abstract
Lung squamous cell carcinoma (LUSC) is the most common histologic type of smoking-related non-small cell lung cancer (NSCLC). However, there are no identified potential biomarkers for smoking-related LUSC diagnosis and prognosis. Especially, the characteristics of genetic alteration and tumor microenvironment induced by cigarette smoking remain unknown. Here, we performed integrative analysis of 463 LUSC with smoking history information from The Cancer Genome Atlas (TCGA). Non-smokers had the best prognosis, and current reformed smokers had better overall survival (OS) than current smokers in all and stage I-II cohort. Then, pathway enrichment analysis might suggest that smoking may play a role in regulating tumor metabolism and invasion and metastasis via those pathways. We constructed an eight-gene signature and identified WNT7A, Solute carrier-7A5 (SLC7A5) and Brain‑type glycogen phosphorylase (PYGB), which may be served as biomarkers related to the smoking. Notably, the single copy deletion of WNT7A and SLC17A5 and the low-level amplification of PYGB may be related to the epigenetic mechanism of smoking on tumorigenesis. We also estimated the relative proportion of 24 immune cell subtypes within tumor microenvironment in different smoking status. Interestingly, we found NK cells activated, NK cells resting and endothelial cells might play an important role in immunologic dysfunction and harmful tumor microenvironment induced by cigarette smoking. Our research has identified potential biomarkers for smoking-related LUSC diagnosis and prognosis, which would help to further understand the pathogenesis of LUSC.
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Affiliation(s)
- Jia Li
- Department of Integrated Chinese and Western Medicine, Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, Henan 450008, China
| | - Huahua Li
- Department of Integrated Chinese and Western Medicine, Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, Henan 450008, China
| | - Chenyue Zhang
- Department of Integrated Therapy, Fudan University Shanghai Cancer Center, Shanghai Medical College, Shanghai 200032, China
| | - Chenxing Zhang
- Department of Nephrology, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Haiyong Wang
- Department of Internal Medicine-Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan 250117, China.
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11
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Sczepanik FSC, Grossi ML, Casati M, Goldberg M, Glogauer M, Fine N, Tenenbaum HC. Periodontitis is an inflammatory disease of oxidative stress: We should treat it that way. Periodontol 2000 2020; 84:45-68. [PMID: 32844417 DOI: 10.1111/prd.12342] [Citation(s) in RCA: 236] [Impact Index Per Article: 59.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Periodontitis is a highly prevalent disease. As it progresses, it causes serious morbidity in the form of periodontal abscesses and tooth loss and, in the latter stages, pain. It is also now known that periodontitis is strongly associated with several nonoral diseases. Thus, patients with periodontitis are at greater risk for the development and/or exacerbation of diabetes, chronic obstructive pulmonary disease, and cardiovascular diseases, among other conditions. Although it is without question that specific groups of oral bacteria which populate dental plaque play a causative role in the development of periodontitis, it is now thought that once this disease has been triggered, other factors play an equal, and possibly more important, role in its progression, particularly in severe cases or in cases that prove difficult to treat. In this regard, we allude to the host response, specifically the notion that the host, once infected with oral periodontal pathogenic bacteria, will mount a defense response mediated largely through the innate immune system. The most abundant cell type of the innate immune system - polymorphonuclear neutrophils - can, when protecting the host from microbial invasion, mount a response that includes upregulation of proinflammatory cytokines, matrix metalloproteinases, and reactive oxygen species, all of which then contribute to the tissue damage and loss of teeth commonly associated with periodontitis. Of the mechanisms referred to here, we suggest that upregulation of reactive oxygen species might play one of the most important roles in the establishment and progression of periodontitis (as well as in other diseases of inflammation) through the development of oxidative stress. In this overview, we discuss both innate and epigenetic factors (eg, diabetes, smoking) that lead to the development of oxidative stress. This oxidative stress then provides an environment conducive to the destructive processes observed in periodontitis. Therefore, we shall describe some of the fundamental characteristics of oxidative stress and its effects on the periodontium, discuss the diseases and other factors that cause oxidative stress, and, finally, review potentially novel therapeutic approaches for the management (and possibly even the reversal) of periodontitis, which rely on the use of therapies, such as resveratrol and other antioxidants, that provide increased antioxidant activity in the host.
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Affiliation(s)
| | - Márcio Lima Grossi
- School of Health Sciences, Dentistry, Post-Graduate Program in Dentistry, Prosthodontics, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Márcio Casati
- Dental Research Division, School of Dentistry, Paulista University (UNIP), Sao Paulo, Brazil.,Department of Prosthodontics and Periodontics, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | - Michael Goldberg
- Discipline of Periodontology, Faculty of Dentistry, University of Toronto, Toronto, ON, Canada.,Department of Dentistry, Centre for Advanced Dental Research and Care, University of Toronto, Toronto, ON, Canada.,Division of Periodontology, Mount Sinai Hospital, Toronto, ON, Canada
| | - Michael Glogauer
- Faculty of Dentistry, University of Toronto, Toronto, ON, Canada.,Princess Margaret Cancer Centre, Toronto, ON, Canada.,Department of Dentistry, Centre for Advanced Dental Research and Care, Mount Sinai Hospital, Toronto, ON, Canada
| | - Noah Fine
- Faculty of Dentistry, University of Toronto, Toronto, ON, Canada.,Centre for Advanced Dental Research and Care, Mount Sinai Hospital, Toronto, ON, Canada
| | - Howard C Tenenbaum
- Department of Dentistry, Mount Sinai Hospital, Thodupuzha, India.,Faculty of Dentistry, Centre for Advanced Dental Research and Care, University of Toronto, Toronto, ON, Canada
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12
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Chen K, Zhang F, Fan Y, Cheng G. Lung-molGPA Index Predicts Survival Outcomes of Non-Small-Cell Lung Cancer Patients with Synchronous or Metachronous Brain Metastases. Onco Targets Ther 2020; 13:8837-8844. [PMID: 32943887 PMCID: PMC7481286 DOI: 10.2147/ott.s255478] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 07/30/2020] [Indexed: 01/29/2023] Open
Abstract
Background Graded prognostic assessment for lung cancer using molecular markers (Lung-molGPA) for brain metastases is a powerful prognostic tool. However, it has not been validated for non-small-cell lung cancer (NSCLC) patients with synchronous or metachronous brain metastases. Methods A total of 1184 NSCLC patients with synchronous or metachronous brain metastases were reviewed in this study. Comparative clinicopathological variables and survival analysis for these two groups (synchronous vs metachronous), as well as complimentary analysis of prognostic factors for the entire patient cohort, were performed. Afterward, patients were stratified using Lung-molGPA to evaluate the accuracy of the survival estimates. Results A total of 763 patients (64.4%) had synchronous metastases while 35.6% (421 patients) had metachronous metastasis. Patients with synchronous metastases were more likely to have a smoking history, limited metastatic lesions, and absence of cerebral symptoms (P<0.05). Patients with metachronous metastatic NSCLC had an overall survival (OS) period of 16.5 (95% CI 14.5–18.6) months and were longer compared to patients with synchronous metastases (16.5 vs 13.5 [12.5–14.6] months, P=0.004). In Cox regression multivariable analysis, age (HR=1.25, P=0.008), Karnofsky performance status (HR=1.30, P=0.005), extracranial metastases (HR=1.57, P<0.001), number of brain metastases (HR=1.22, P=0.043), gene mutation (HR=1.40 [wild type vs mutation], P=0.050; HR=1.42 [unknown vs mutation], P=0.007), and treatment (including TKI, chemotherapy, and local brain treatment, P<0.05) were independent prognostic predictors of OS. Additionally, metachronous metastatic patients were at lower risk for disease-related death compared to synchronous metastatic patients (HR=0.69, P<0.001). Importantly, median OS stratified by Lung-molGPA of 0–1, 1.5–2, 2.5–3 and 3.5–4 scores were 11.0, 14.0, 24.9, and 26.3 months for synchronous brain metastases, and 13.1, 17.0, 37.2, and 66.5 months for metachronous metastases, respectively (P<0.001). Conclusion Lung-molGPA could estimate the prognosis of NSCLC patients with synchronous or metachronous brain metastases. Hence, patients should be carefully stratified for consideration of aggressive therapy.
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Affiliation(s)
- Kaiyan Chen
- Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou 310022, People's Republic of China.,Institute of Cancer and Basic Medicine (IBMC), Chinese Academy of Sciences, Hangzhou 310022, People's Republic of China.,Department of Thoracic Medical Oncology, Zhejiang Cancer Hospital, Hangzhou 310022, People's Republic of China
| | - Fanrong Zhang
- Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou 310022, People's Republic of China.,Institute of Cancer and Basic Medicine (IBMC), Chinese Academy of Sciences, Hangzhou 310022, People's Republic of China.,Department of Breast Surgery, Zhejiang Cancer Hospital, Hangzhou 310022, People's Republic of China
| | - Yun Fan
- Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou 310022, People's Republic of China.,Institute of Cancer and Basic Medicine (IBMC), Chinese Academy of Sciences, Hangzhou 310022, People's Republic of China.,Department of Thoracic Medical Oncology, Zhejiang Cancer Hospital, Hangzhou 310022, People's Republic of China
| | - Guoping Cheng
- Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou 310022, People's Republic of China.,Institute of Cancer and Basic Medicine (IBMC), Chinese Academy of Sciences, Hangzhou 310022, People's Republic of China.,Department of Pathology, Zhejiang Cancer Hospital, Hangzhou 310022, People's Republic of China
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13
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Cheng WL, Chen KY, Lee KY, Feng PH, Wu SM. Nicotinic-nAChR signaling mediates drug resistance in lung cancer. J Cancer 2020; 11:1125-1140. [PMID: 31956359 PMCID: PMC6959074 DOI: 10.7150/jca.36359] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Accepted: 10/26/2019] [Indexed: 02/07/2023] Open
Abstract
Lung cancer is the leading cause of cancer death worldwide. Cigarette smoking is the most common risk factor for lung carcinoma; other risks include genetic factors and exposure to radon gas, asbestos, secondhand smoke, and air pollution. Nicotine, the primary addictive constituent of cigarettes, contributes to cancer progression through activation of nicotinic acetylcholine receptors (nAChRs), which are membrane ligand-gated ion channels. Activation of nicotine/nAChR signaling is associated with lung cancer risk and drug resistance. We focused on nAChR pathways activated by nicotine and its downstream signaling involved in regulating apoptotic factors of mitochondria and drug resistance in lung cancer. Increasing evidence suggests that several sirtuins play a critical role in multiple aspects of cancer drug resistance. Thus, understanding the consequences of crosstalk between nicotine/nAChRs and sirtuin signaling pathways in the regulation of drug resistance could be a critical implication for cancer therapy.
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Affiliation(s)
- Wan-Li Cheng
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Kuan-Yuan Chen
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan.,Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan
| | - Kang-Yun Lee
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan.,Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan.,Division of Pulmonary Medicine, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Po-Hao Feng
- Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan.,Division of Pulmonary Medicine, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Sheng-Ming Wu
- Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan.,Division of Pulmonary Medicine, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
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14
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Li J, Liu F, Yu H, Zhao C, Li Z, Wang H. Different distant metastasis patterns based on tumor size could be found in extensive-stage small cell lung cancer patients: a large, population-based SEER study. PeerJ 2019; 7:e8163. [PMID: 31824772 PMCID: PMC6896937 DOI: 10.7717/peerj.8163] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 11/05/2019] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND Small-cell lung cancer (SCLC) is a malignant cancer with the ability to metastasize quickly. The relationship between tumor size and the distant metastasis patterns of Extensive-Stage Small Cell Lung Cancer (ES-SCLC) has not been reported. OBJECTIVES The aim of this study was to determine the different distant metastasis patterns as they related to tumor size in ES-SCLC. PATIENTS AND METHODS We used Surveillance, Epidemiology, and End Results (SEER) population-based data collected from 2010 through 2013 to identify 11058 ES-SCLC patients with definite evidence of distant metastases. Multivariate logistic regression analysis was used to demonstrate the association between tumor size and distant metastasis patterns including bone, liver, brain, and lung metastases. Age, race, sex, and N stage were also selected in the logistic regression model. RESULTS Subtle differences in metastasis patterns were found among patients based on different tumor sizes. Patients with tumors 3-7 cm have a higher risk of bone metastasis compared with those that have tumors ≤3 cm (OR 1.165, 95% CI [1.055-1.287], P = 0.003) and patients with tumors ≥7 cm have a higher risk of lung metastasis (OR 1.183, 95% CI [1.039-1.347], P = 0.011). In addition, patients with tumors ≥7 cm had a lower risk of brain metastasis and liver metastasis than patients with tumors ≤3 cm (OR 0.799, 95% CI [0.709-0.901], P < 0.001; OR 0.747, 95% CI [0.672-0.830], P < 0.001). Interestingly, there was no correlation between a larger tumor and a higher risk of metastasis. However, the tumor metastasis pattern did have some correlation with age, gender, race and N-status. CONCLUSION The pattern of distant metastasis of ES-SCLC is related to the tumor size and the tumor size is indicative of the metastatic site. Larger tumor sizes did not correlate with a higher risk of distant metastasis, but the size is related to the pattern of distant metastasis. The study of different distant metastasis patterns based on tumor size and other clinical features (e.g., age, race, sex, and N stage) in ES-SCLC is clinically valuable.
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Affiliation(s)
- Jia Li
- Department of Oncology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Feng Liu
- Department of Oncology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Haining Yu
- Human Resources Department, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Chenglong Zhao
- Department of Pathology Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Zhenxiang Li
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Haiyong Wang
- Department of Internal Medicine-Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, China
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15
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McConnell DD, Carr SB, Litofsky NS. Potential effects of nicotine on glioblastoma and chemoradiotherapy: a review. Expert Rev Neurother 2019; 19:545-555. [PMID: 31092064 DOI: 10.1080/14737175.2019.1617701] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Introduction: Glioblastoma multiforme (GBM) has a poor prognosis despite maximal surgical resection with subsequent multi-modal radiation and chemotherapy. Use of tobacco products following diagnosis and during the period of treatment for non-neural tumors detrimentally affects treatment and prognosis. Approximately, 16-28% of patients with glioblastoma continue to smoke after diagnosis and during treatment. The literature is sparse for information-pertaining effects of smoking and nicotine on GBM treatment and prognosis. Areas covered: This review discusses cellular pathways involved in GBM progression that might be affected by nicotine, as well as how nicotine may contribute to resistance to treatment. Similarities of GBM pathways to those in non-neural tumors are investigated for potential effects by nicotine. English language papers were identified using PubMed, Medline and Scopus databases using a combination of keywords including but not limited to the following: nicotine, vaping, tobacco, e-cigarettes, smoking, vaping AND glioblastoma or brain cancer OR/AND temozolomide, carmustine, methotrexate, procarbazine, lomustine, vincristine, and neural tumor cell lines. Expert opinion: Understanding the impact of nicotine on treatment and resistance to chemotherapeutics should allow physicians to educate their patients with GBM with evidence-based recommendations about the effects of continuing to use nicotine-containing products after diagnosis and during treatment.
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Affiliation(s)
- Diane D McConnell
- a Division of Neurological Surgery , University of Missouri School of Medicine , Columbia , MO , USA
| | - Steven B Carr
- a Division of Neurological Surgery , University of Missouri School of Medicine , Columbia , MO , USA
| | - N Scott Litofsky
- a Division of Neurological Surgery , University of Missouri School of Medicine , Columbia , MO , USA
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16
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Benzo(a)pyrene promotes migration, invasion and metastasis of lung adenocarcinoma cells by upregulating TGIF. Toxicol Lett 2018; 294:11-19. [DOI: 10.1016/j.toxlet.2018.05.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 03/26/2018] [Accepted: 05/07/2018] [Indexed: 01/17/2023]
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17
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Wang S, Hu Y. α7 nicotinic acetylcholine receptors in lung cancer. Oncol Lett 2018; 16:1375-1382. [PMID: 30008813 DOI: 10.3892/ol.2018.8841] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Accepted: 04/27/2018] [Indexed: 12/18/2022] Open
Abstract
Lung cancer has one of the highest mortality rates among malignancies globally, and smoking has been documented as the main cause of lung cancer. Nicotinic acetylcholine receptors (nAChRs) were initially identified as notable regulators of the nervous system. In addition to their function in the brain, accumulating evidence indicates that nAChRs perform a host of diverse functions in almost all non-neuronal mammalian cells. The homomeric α7nAChR, a subtype of nAChRs, is responsible for the proliferative, pro-angiogenic and pro-metastatic effects of nicotine in lung cancer. Provided the association of cigarette smoking with several disease types such as cardiovascular disease, the α7nAChR-mediated signaling pathway has been implicated in the pathophysiology of lung cancer. Currently, strategies that target the α7nAChR including α7nAChR antagonists are considered to be potentially useful anticancer drugs for therapeutic purposes. Thus, the present review assesses current understanding of the function and underlying molecular mechanisms of α7nAChR in lung cancer and evaluates how targeting α7nAChR may result in novel therapeutic methods.
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Affiliation(s)
- Shengchao Wang
- Department of Gynecological Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310009, P.R. China
| | - Yue Hu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China
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18
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LeCompte MC, McTyre ER, Strowd RE, Lanier C, Soike MH, Hughes RT, Masters AH, Cramer CK, Farris M, Ruiz J, Watabe K, Laxton AW, Tatter SB, Winkfield KM, Chan MD. Impact of diabetes mellitus on outcomes in patients with brain metastasis treated with stereotactic radiosurgery. JOURNAL OF RADIOSURGERY AND SBRT 2018; 5:285-291. [PMID: 30538889 PMCID: PMC6255719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 09/06/2018] [Indexed: 06/09/2023]
Abstract
PURPOSE To determine the influence of diabetes mellitus (DM) on outcomes in patients with brain metastasis treated with stereotactic radiosurgery (SRS). METHODS We retrospectively reviewed 498 patients with brain metastasis treated at our institution with SRS between January 2012 and March 2017. RESULTS Eight-four patients (16.9%) held a diagnosis of DM prior to SRS treatment. Diabetics compared to nondiabetics had worse overall survival (OS). DM was found to be a significant predictor of OS on multivariate analysis (HR: 1.41, CI: 1.03-1.92, p = 0.03). When stratified by DM diagnosis, there were no significant differences in incidence of radiation necrosis (p = 0.82), radiation-induced edema (p = 0.88), cerebrospinal fluid leak (p = 0.49), or postoperative infection (p = 0.68). CONCLUSIONS DM diagnosis was a significant predictor of poorer OS in patients treated for brain metastasis with SRS. Diabetics and nondiabetics experienced similar rates of radiation-associated brain toxicities.
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Affiliation(s)
- Michael C LeCompte
- Department of Radiation Oncology, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC 27157, USA
| | - Emory R McTyre
- Department of Radiation Oncology, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC 27157, USA
| | - Roy E Strowd
- Department of Neurology, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC 27517, USA
| | - Claire Lanier
- Department of Radiation Oncology, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC 27157, USA
| | - Michael H Soike
- Department of Radiation Oncology, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC 27157, USA
| | - Ryan T Hughes
- Department of Radiation Oncology, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC 27157, USA
| | - Adrianna H Masters
- Department of Radiation Oncology, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC 27157, USA
| | - Christina K Cramer
- Department of Radiation Oncology, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC 27157, USA
| | - Michael Farris
- Department of Radiation Oncology, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC 27157, USA
| | - Jimmy Ruiz
- Department of Medicine (Hematology and Oncology), Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC 27157, USA
- W.G. (Bill) Hefner Veteran Administration Medical Center, Cancer Center, 1601 Brenner Ave, Salisbury, NC, 28144, USA
| | - Kounosuke Watabe
- Department of Cancer Biology, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC 27157, USA
| | - Adrian W Laxton
- Department of Neurosurgery, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC 27157, USA
| | - Stephen B Tatter
- Department of Neurosurgery, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC 27157, USA
| | - Karen M Winkfield
- Department of Radiation Oncology, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC 27157, USA
| | - Michael D Chan
- Department of Radiation Oncology, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC 27157, USA
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19
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Shenker RF, McTyre ER, Ruiz J, Weaver KE, Cramer C, Alphonse-Sullivan NK, Farris M, Petty WJ, Bonomi MR, Watabe K, Laxton AW, Tatter SB, Warren GW, Chan MD. The Effects of smoking status and smoking history on patients with brain metastases from lung cancer. Cancer Med 2017; 6:944-952. [PMID: 28401684 PMCID: PMC5430088 DOI: 10.1002/cam4.1058] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Revised: 02/20/2017] [Accepted: 02/21/2017] [Indexed: 01/10/2023] Open
Abstract
There is limited data on the effects of smoking on lung cancer patients with brain metastases. This single institution retrospective study of patients with brain metastases from lung cancer who received stereotactic radiosurgery assessed whether smoking history is associated with overall survival, local control, rate of new brain metastases (brain metastasis velocity), and likelihood of neurologic death after brain metastases. Patients were stratified by adenocarcinoma versus nonadenocarcinoma histologies. Kaplan-Meier analysis was performed for survival endpoints. Competing risk analysis was performed for neurologic death analysis to account for risk of nonneurologic death. Separate linear regression and multivariate analyses were performed to estimate the brain metastasis velocity. Of 366 patients included in the analysis, the median age was 63, 54% were male and, 60% were diagnosed with adenocarcinoma. Current smoking was reported by 37% and 91% had a smoking history. Current smoking status and pack-year history of smoking had no effect on overall survival. There was a trend for an increased risk of neurologic death in nonadenocarcinoma patients who continued to smoke (14%, 35%, and 46% at 6/12/24 months) compared with patients who did not smoke (12%, 23%, and 30%, P = 0.053). Cumulative pack years smoking was associated with an increase in neurologic death for nonadenocarcinoma patients (HR = 1.01, CI: 1.00-1.02, P = 0.046). Increased pack-year history increased brain metastasis velocity in multivariate analysis for overall patients (P = 0.026). Current smokers with nonadenocarcinoma lung cancers had a trend toward greater neurologic death than nonsmokers. Cumulative pack years smoking is associated with a greater brain metastasis velocity.
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Affiliation(s)
- Rachel F Shenker
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, 27157, North Carolina
| | - Emory R McTyre
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, 27157, North Carolina
| | - Jimmy Ruiz
- Department of Medicine (Hematology & Oncology), Wake Forest School of Medicine, Winston-Salem, 27157, North Carolina
| | - Kathryn E Weaver
- Department of Social Sciences and Health Policy, Wake Forest School of Medicine, Winston-Salem, 27157, North Carolina
| | - Christina Cramer
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, 27157, North Carolina
| | | | - Michael Farris
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, 27157, North Carolina
| | - William J Petty
- Department of Medicine (Hematology & Oncology), Wake Forest School of Medicine, Winston-Salem, 27157, North Carolina
| | - Marcelo R Bonomi
- Department of Medicine (Hematology & Oncology), Wake Forest School of Medicine, Winston-Salem, 27157, North Carolina
| | - Kounosuke Watabe
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, 27157, North Carolina
| | - Adrian W Laxton
- Department of Neurosurgery, Wake Forest School of Medicine, Winston-Salem, 27157, North Carolina
| | - Stephen B Tatter
- Department of Neurosurgery, Wake Forest School of Medicine, Winston-Salem, 27157, North Carolina
| | - Graham W Warren
- Department of Radiation Oncology, Medical College of South Carolina, Charleston, 29425, South Carolina.,Department of Cell and Molecular Pharmacology, MUSC, Charleston, 29425, South Carolina
| | - Michael D Chan
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, 27157, North Carolina
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