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Akce M, Farran B, Switchenko JM, Rupji M, Kang S, Khalil L, Ruggieri-Joyce A, Olson B, Shaib WL, Wu C, Alese OB, Diab M, Lesinski GB, El-Rayes BF. Phase II trial of nivolumab and metformin in patients with treatment-refractory microsatellite stable metastatic colorectal cancer. J Immunother Cancer 2023; 11:e007235. [PMID: 37852737 PMCID: PMC10603338 DOI: 10.1136/jitc-2023-007235] [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: 09/13/2023] [Indexed: 10/20/2023] Open
Abstract
BACKGROUND Preclinical studies showed metformin reduces exhaustion of tumor-infiltrating lymphocytes and potentiates programmed cell death protein-1 (PD-1) blockade. We hypothesized that metformin with nivolumab would elicit potent antitumor and immune modulatory activity in metastatic microsatellite stable (MSS) colorectal cancer (CRC). We evaluated this hypothesis in a phase II study. METHODS Nivolumab (480 mg) was administered intravenously every 4 weeks while metformin (1000 mg) was given orally, two times per day following a 14-day metformin only lead-in phase. Patients ≥18 years of age, with previously treated, stage IV MSS CRC, and Eastern Cooperative Oncology Group 0-1, having received no prior anti-PD-1 agent were eligible. The primary endpoint was overall response rate with secondary endpoints of overall survival (OS) and progression-free survival (PFS). Correlative studies using paired pretreatment/on-treatment biopsies and peripheral blood evaluated a series of immune biomarkers in the tumor microenvironment and systemic circulation using ChipCytometry and flow cytometry. RESULTS A total of 24 patients were enrolled, 6 patients were replaced per protocol, 18 patients had evaluable disease. Of the 18 evaluable patients, 11/18 (61%) were women and the median age was 58 (IQR 50-67). Two patients had stable disease, but no patients had objective response, hence the study was stopped for futility. Median OS and PFS was 5.2 months (95% CI (3.2 to 11.7)) and 2.3 months (95% CI (1.7 to 2.3)). Most common grade 3/4 toxicities: Anemia (n=2), diarrhea (n=2), and fever (n=2). Metformin alone failed to increase the infiltration of T-cell subsets in the tumor, but combined metformin and nivolumab increased percentages of tumor-infiltrating leukocytes (p=0.031). Dual treatment also increased Tim3+ levels in patient tissues and decreased naïve CD8+T cells (p=0.0475). CONCLUSIONS Nivolumab and metformin were well tolerated in patients with MSS CRC but had no evidence of efficacy. Correlative studies did not reveal an appreciable degree of immune modulation from metformin alone, but showed trends in tumorous T-cell infiltration as a result of dual metformin and PD-1 blockade despite progression in a majority of patients.
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Affiliation(s)
- Mehmet Akce
- Division of Hematology and Oncology, Department of Medicine, O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - Batoul Farran
- Department of Oncology, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Jeffrey M Switchenko
- Biostatistics Shared Resource, Emory University Winship Cancer institute, Atlanta, Georgia, USA
- Department of Biostsatistics and Bioinformatics, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Manali Rupji
- Biostatistics Shared Resource, Emory University Winship Cancer institute, Atlanta, Georgia, USA
| | - Sandra Kang
- Department of Hematology and Medical Oncology, Emory University Winship Cancer Institute, Atlanta, Georgia, USA
| | - Lana Khalil
- Department of Hematology and Medical Oncology, Emory University Winship Cancer Institute, Atlanta, Georgia, USA
| | - Amanda Ruggieri-Joyce
- Department of Hematology and Medical Oncology, Emory University Winship Cancer Institute, Atlanta, Georgia, USA
| | - Brian Olson
- Department of Hematology and Medical Oncology, Emory University Winship Cancer Institute, Atlanta, Georgia, USA
| | - Walid L Shaib
- Northwest Georgia Oncology Centers Wellstar, Marietta, Georgia, USA
| | - Christina Wu
- Division of Hematology and Oncology, Department of Internal Medicine, Mayo Clinic Arizona, Scottsdale, Arizona, USA
| | - Olatunji B Alese
- Department of Hematology and Medical Oncology, Emory University Winship Cancer Institute, Atlanta, Georgia, USA
| | - Maria Diab
- Department of Internal Medicine, Michigan State University, East Lansing, Michigan, USA
- Department of Internal Medicine, Henry Ford Health, Detroit, Michigan, USA
| | - Gregory B Lesinski
- Department of Hematology and Medical Oncology, Emory University Winship Cancer Institute, Atlanta, Georgia, USA
| | - Bassel F El-Rayes
- Division of Hematology and Oncology, Department of Medicine, O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
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Song B, Hu H, Zhang L, Ye SJ, Jin YD, Shang CL, Zhang J, Sun H, Zhang K, Yi B, Han YW, Yan J. Efficacy and safety of anlotinib plus XELOX regimen as first-line therapy for mCRC: a single-arm, multicenter, phase II study (ALTER-C-001). Front Oncol 2023; 13:1238553. [PMID: 37727206 PMCID: PMC10505961 DOI: 10.3389/fonc.2023.1238553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 08/16/2023] [Indexed: 09/21/2023] Open
Abstract
Background Anlotinib showed encouraging anti-tumor activity in metastatic colorectal cancer (mCRC). This study was designed to assess the efficacy and safety of anlotinib plus XELOX as first-line therapy in mCRC patients. Materials and Methods Eligible patients aged ≥18 with mCRC were enrolled in this multicenter, single-arm, phase II, exploratory study. Patients received at least 6 cycles of anlotinib, oxaliplatin, and capecitabine as initial therapy. Subsequently, patients received anlotinib monotherapy as maintenance therapy until tumor progression or intolerable toxicity. The primary endpoint was progression-free survival (PFS). Results Thirty-one patients were included between December 2019 and March 2022. The median follow-up was 17.5 (95% CI, 3.0-17.5) months. The median PFS was 8.3 (95% CI, 6.3-10.0) months, with 6- and 12-month PFS rates of 82.3% (95% CI, 59.2%-93.0%) and 18.9% (95% CI, 4.8%-40.1%), respectively. Fifteen (48.4%) achieved partial response for an ORR of 48.4% (95% CI, 30.2%-66.9%). The disease control rate was 71.0% (95% CI, 52.0%-85.8%) due to 7 (22.6%) stable diseases. The median duration of response was 6.0 (95% CI, 3.6-8.0) months and 1 patient had the longest ongoing response of 17.3 months. Of 24 patients with evaluable imaging, 23 (74.2%) obtained tumor shrinkage. The median PFS (11.0 vs. 6.9 months) and ORR (66.7% vs. 60.0%) for patients with RAS/BRAF wild-type were numerically better than those with mutation. Three patients are still ongoing treatment. The grade 3 or more treatment-emergent adverse events (TEAEs) were mainly hypertension (12.9%) and decreased neutrophil count (12.9%). Four (12.9%) had serious TEAEs, primarily including abdominal pain and incomplete intestinal obstruction. Conclusion Anlotinib plus XELOX as first-line therapy in patients with mCRC showed anti-tumor activity and safety profile, which is worth further investigation. Clinical Trial Registration chictr.org.cn, identifier ChiCTR1900028417.
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Affiliation(s)
- Bo Song
- Department of Gastrointestinal Surgery, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Hai Hu
- Department of Gastrointestinal Surgery, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Li Zhang
- Department of Medical Oncology, Chongqing University Three Gorges Hospital, Chongqing, China
| | - Su-Juan Ye
- Department of Medical Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Yong-Dong Jin
- Department of Medical Oncology, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Chang-Ling Shang
- Department of Medical Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Jun Zhang
- Department of Medical Oncology, Chongqing University Three Gorges Hospital, Chongqing, China
| | - Hao Sun
- Gastrointestinal Cancer Center, Chongqing University Cancer Hospital, Chongqing, China
| | - Ke Zhang
- Department of Gastrointestinal Surgery, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Bo Yi
- Department of Gastrointestinal Surgery, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Yun-Wei Han
- Department of Medical Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Jin Yan
- Department of Gastrointestinal Surgery, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
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Gong W, Guo Y, Yuan H, Chai R, Wan Z, Zheng B, Hu X, Chen B, Gao S, Dai Q, Yu P, Tu S. Loss of exosomal miR-200b-3p from hypoxia cancer-associated fibroblasts promotes tumorigenesis and reduces sensitivity to 5-Flourouracil in colorectal cancer via upregulation of ZEB1 and E2F3. Cancer Gene Ther 2023:10.1038/s41417-023-00591-5. [PMID: 36890211 DOI: 10.1038/s41417-023-00591-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 01/05/2023] [Accepted: 01/17/2023] [Indexed: 03/10/2023]
Abstract
Hypoxia-mediated tumor progression is a major clinical challenge in human cancers including colorectal cancer (CRC). In addition, exosome-mediated transfer of miRNAs from cancer-associated fibroblasts (CAFs) to cancer cells could promote tumor progression. However, the mechanisms by which hypoxia CAFs promotes CRC progression remain largely unknown. CAFs and normal fibroblasts (NFs) were isolated from CRC tissues and adjacent normal tissues. Next, exosomes were isolated from the supernatant of CAFs that cultured under normoxia (CAFs-N-Exo) and hypoxia (CAFs-H-Exo). RNA-sequencing was then performed to identify differentially expressed miRNAs (DEMs) between CAFs-N-Exo and CAFs-H-Exo. Compared with exosomes derived from normoxia CAFs, exosomes derived from hypoxic CAFs were able to promote CRC cell proliferation, migration, invasion, stemness and reduce the sensitivity of CRC cells to 5-fluorouracil (5-FU). In addition, miR-200b-3p levels were dramatically decreased in exosomes derived from hypoxic CAFs. Remarkably, increasing exosomal miR-200b-3p in hypoxic CAFs reversed the promoting effects of hypoxic CAFs on CRC cell growth in vitro and in vivo. Furthermore, miR-200b-3p agomir could inhibit CRC cell migration, invasion, stemness and increase the sensitivity of SW480 cells to 5-FU via downregulating ZEB1 and E2F3. Collectively, loss of exosomal miR-200b-3p in hypoxia CAFs could contribute to CRC progression via upregulation of ZEB1 and E2F3. Thus, increasing exosomal miR-200b-3p might serve as an alternative approach for the treatment of CRC.
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Affiliation(s)
- Wenjing Gong
- General Surgery, Cancer Center, Department of Colorectal Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, 310014, PR China
| | - Yang Guo
- General Surgery, Cancer Center, Department of Colorectal Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, 310014, PR China
| | - Hang Yuan
- General Surgery, Cancer Center, Department of Colorectal Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, 310014, PR China
| | - Rui Chai
- General Surgery, Cancer Center, Department of Colorectal Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, 310014, PR China
| | - Ziang Wan
- General Surgery, Cancer Center, Department of Colorectal Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, 310014, PR China
| | - Boan Zheng
- General Surgery, Cancer Center, Department of Colorectal Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, 310014, PR China
| | - Xinye Hu
- General Surgery, Cancer Center, Department of Colorectal Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, 310014, PR China
| | - Bingchen Chen
- General Surgery, Cancer Center, Department of Colorectal Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, 310014, PR China
| | - Shan Gao
- General Surgery, Cancer Center, Department of Colorectal Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, 310014, PR China
| | - Qiaoqiong Dai
- General Surgery, Cancer Center, Department of Colorectal Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, 310014, PR China
| | - Peng Yu
- General Surgery, Cancer Center, Department of Colorectal Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, 310014, PR China
| | - Shiliang Tu
- General Surgery, Cancer Center, Department of Colorectal Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, 310014, PR China.
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Zhu Y, Meng M, Hou Z, Wang W, Li L, Guan A, Wang R, Tang W, Yang F, Zhao Y, Gao H, Xie H, Li R, Tan J. Impact of cytotoxic T lymphocytes immunotherapy on prognosis of colorectal cancer patients. Front Oncol 2023; 13:1122669. [PMID: 36726382 PMCID: PMC9885253 DOI: 10.3389/fonc.2023.1122669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 01/02/2023] [Indexed: 01/18/2023] Open
Abstract
Background Expansion and activation of cytotoxic T lymphocytes (CTLs) in vitro represents a promising immunotherapeutic strategy, and CTLs can be primed by dendritic cells (DCs) loaded with tumor-associated antigens (TAAs) transformed by recombinant adeno-associated virus (rAAV). This study aimed to explore the impact of rAAV-DC-induced CTLs on prognosis of CRC and to explore factors associated with prognosis. Methods This prospective observational study included patients operated for CRC at Yan'an Hospital Affiliated to Kunming Medical University between 2016 and 2019. The primary outcome was progression-free survival (PFS), secondary outcomes were overall survival (OS) and adverse events. Totally 49 cases were included, with 29 and 20 administered rAAV-DC-induced CTL and chemotherapy, respectively. Results After 37-69 months of follow-up (median, 54 months), OS (P=0.0596) and PFS (P=0.0788) were comparable between two groups. Mild fever occurred in 2 (6.9%) patients administered CTL infusion. All the chemotherapy group experienced mild-to-moderate adverse effects, including vasculitis (n=20, 100%), vomiting (n=5, 25%), nausea (n=17, 85%) and fatigue (n=17, 85%). Conclusions Lymphatic metastasis (hazard ratio [HR]=4.498, 95% confidence interval [CI]: 1.290-15.676; P=0.018) and lower HLA-I expression (HR=0.294, 95%CI: 0.089-0.965; P=0.044) were associated with poor OS in the CTL group. CTLs induced by rAAV-DCs might achieve comparable effectiveness in CRC patients compare to chemotherapy, cases with high tumor-associated HLA-I expression and no lymphatic metastasis were more likely to benefit from CTLs.
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Affiliation(s)
- Yankun Zhu
- Department of General Surgery, Yan’an Hospital Affiliated to Kunming Medical University, Kunming, China
| | - Mingyao Meng
- Key Laboratory of Tumor Immunological Prevention and Treatment in Yunnan Province, Yan’an Hospital Affiliated to Kunming Medical University, Kunming, China
| | - Zongliu Hou
- Key Laboratory of Tumor Immunological Prevention and Treatment in Yunnan Province, Yan’an Hospital Affiliated to Kunming Medical University, Kunming, China
| | - Wenju Wang
- Key Laboratory of Tumor Immunological Prevention and Treatment in Yunnan Province, Yan’an Hospital Affiliated to Kunming Medical University, Kunming, China
| | - Lin Li
- Key Laboratory of Tumor Immunological Prevention and Treatment in Yunnan Province, Yan’an Hospital Affiliated to Kunming Medical University, Kunming, China
| | - Aoran Guan
- Department of General Surgery, Yan’an Hospital Affiliated to Kunming Medical University, Kunming, China
| | - Ruotian Wang
- Department of General Surgery, Yan’an Hospital Affiliated to Kunming Medical University, Kunming, China
| | - Weiwei Tang
- Key Laboratory of Tumor Immunological Prevention and Treatment in Yunnan Province, Yan’an Hospital Affiliated to Kunming Medical University, Kunming, China
| | - Fang Yang
- Department of Pathology, Yan’an Hospital Affiliated to Kunming Medical University, Kunming, China
| | - Yiyi Zhao
- Key Laboratory of Tumor Immunological Prevention and Treatment in Yunnan Province, Yan’an Hospital Affiliated to Kunming Medical University, Kunming, China
| | - Hui Gao
- Key Laboratory of Tumor Immunological Prevention and Treatment in Yunnan Province, Yan’an Hospital Affiliated to Kunming Medical University, Kunming, China
| | - Hui Xie
- Department of General Surgery, Yan’an Hospital Affiliated to Kunming Medical University, Kunming, China
| | - Ruhong Li
- Department of General Surgery, Yan’an Hospital Affiliated to Kunming Medical University, Kunming, China,*Correspondence: Ruhong Li, ; Jing Tan,
| | - Jing Tan
- Department of General Surgery, Yan’an Hospital Affiliated to Kunming Medical University, Kunming, China,*Correspondence: Ruhong Li, ; Jing Tan,
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Yuan H, Chen B, Chai R, Gong W, Wan Z, Zheng B, Hu X, Guo Y, Gao S, Dai Q, Yu P, Tu S. Loss of exosomal micro-RNA-200b-3p from hypoxia cancer-associated fibroblasts reduces sensitivity to 5-flourouracil in colorectal cancer through targeting high-mobility group box 3. Front Oncol 2022; 12:920131. [PMID: 36276139 PMCID: PMC9581251 DOI: 10.3389/fonc.2022.920131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 09/09/2022] [Indexed: 11/24/2022] Open
Abstract
Hypoxia-mediated tumor progression is a major problem in colorectal cancer (CRC). MicroRNA (miR)-200b-3p can attenuate tumorigenesis in CRC, while exosomal miRNAs derived from cancer-associated fibroblasts (CAFs) can promote cancer progression. Nevertheless, the function of exosomal miR-200b-3p derived from CAFs in CRC remains unclear. In this study, CAFs and normal fibroblasts (NFs) were isolated from CRC and adjacent normal tissues. Next, exosomes were isolated from the supernatants of CAFs cultured under normoxia and hypoxia. Cell viability was tested using the cell counting kit-8 assay, and flow cytometry was used to assess cell apoptosis. Cell invasion and migration were evaluated using the transwell assay. Dual-luciferase was used to investigate the relationship between miR-200b-3p and high-mobility group box 3 (HMBG3). Reverse transcription-quantitative polymerase chain reaction (RT-qPCR) was performed to determine the miR-200b-3p and HMBG3 level. Our results found that the miR-200b-3p level was sharply reduced in CRC tissues compared to adjacent normal tissues. Additionally, the miR-200b-3p level was reduced in exosomes derived from hypoxic CAFs compared to exosomes derived from CAFs under normoxia. Exosomes derived from hypoxic CAFs weakened the sensitivity of CRC cells to 5-fluorouracil (5-FU) compared to hypoxic CAFs-derived exosomes. However, hypoxic CAFs-derived exosomes with upregulated miR-200b-3p increased the sensitivity of CRC cells to 5-fluorouracil (5-FU) compared to hypoxic CAFs-derived exosomes. In addition, HMBG3 was identified as the downstream target of miR-200b-3p in CRC cells, and its overexpression partially reversed the anti-tumor effect of the miR-200b-3p agomir on CRC via the mediation of the β-catenin/c-Myc axis. Furthermore, compared to exosomes derived from normoxia CAFs, exosomes derived from hypoxic CAFs weakened the therapeutic effects of 5-FU on CRC in vivo via the upregulation of HMGB3 levels. Collectively, the loss of exosomal miR-200b-3p in hypoxia CAFs reduced the sensitivity to 5-FU in CRC by targeting HMGB3. Thus, our research outlines a novel method for the treatment of CRC.
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Zafar E, Maqbool MF, Iqbal A, Maryam A, Shakir HA, Irfan M, Khan M, Li Y, Ma T. A comprehensive review on anticancer mechanism of bazedoxifene. Biotechnol Appl Biochem 2021; 69:767-782. [PMID: 33759222 DOI: 10.1002/bab.2150] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 03/08/2021] [Indexed: 12/24/2022]
Abstract
Cancer is counted as a second leading cause of death among nontransmissible diseases. Identification of novel anticancer drugs is therefore necessary for the effective treatment of cancer. Conventional drug discovery is time consuming and expensive process. Unlike conventional drug discovery, drug repositioning offers a novel strategy for urgent drug discovery since it is a cost-effective and faster process. Bazedoxifene (BZA) is a synthetic selective estrogen receptor modulator, approved by the United States Food and Drug Administration for the treatment of osteoporosis in postmenopausal women. BZA is now being studied for its anticancer activity in various cancers including breast cancer, liver cancer, pancreatic cancer, colon cancer, head and neck cancer, medulloblastoma, brain cancer, and gastrointestinal cancer. Studies have reported that BZA is effective in reducing cancer progression through multiple mechanisms. BZA could effectively inhibit STAT3, PI3K/AKT, and MAPK signaling pathways and induce apoptosis. In addition to its anticancer activity as monotherapy, BZA has been shown to enhance the chemotherapeutic efficacy of clinical drugs such as paclitaxel, cisplatin, palbociclib, and oxaliplatin in multiple neoplasms. This review mainly focused on the anticancer activity, cellular targets, and anticancer mechanism of BZA, which may help the further design and conduct of research and repositioning it for oncological clinic trials.
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Affiliation(s)
- Erum Zafar
- Department of Zoology, University of the Punjab, Quaid-e-Azam Campus, Lahore, Pakistan
| | | | - Asia Iqbal
- Department of Wild Life and Ecology, University of Veternary and Animal Sciences, Ravi Campus, Patoki, Pakistan
| | - Amara Maryam
- Department of Zoology, University of the Punjab, Quaid-e-Azam Campus, Lahore, Pakistan
| | - Hafiz Abdullah Shakir
- Department of Zoology, University of the Punjab, Quaid-e-Azam Campus, Lahore, Pakistan
| | - Muhammad Irfan
- Department of Biotechnology, University of Sargodha, Sargodha, Pakistan
| | - Muhammad Khan
- Department of Zoology, University of the Punjab, Quaid-e-Azam Campus, Lahore, Pakistan
| | - Yongming Li
- School of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, People's Republic of China
| | - Tonghui Ma
- School of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, People's Republic of China
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Li W, Jin X, Guo S, Xu F, Su X, Jiang X, Wang G. Comprehensive analysis of prognostic immune-related genes in the tumor microenvironment of colorectal cancer. Aging (Albany NY) 2021; 13:5506-5524. [PMID: 33536348 PMCID: PMC7950244 DOI: 10.18632/aging.202479] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 11/20/2020] [Indexed: 12/11/2022]
Abstract
In this study, we used the ESTIMATE algorithm to analyze clinical data and transcriptome profiles of 1635 colorectal cancer (CRC) samples from the Gene Expression Omnibus and The Cancer Genome Atlas databases and identify prognostic immune-related genes (IRGs). We identified 941 differentially expressed (4 downregulated and 937 upregulated) genes by comparing samples with high and low immune, stromal scores and tumor purity. LASSO Cox regression analyses showed that the risk score based on a ten-IRG signature was an independent prognostic factor in CRC. The nomogram with pathological stages (TNM) and the ten-IRG signature showed a C-index of 0.769 (95% CI, 0.717-0.821), and area under ROC curve values of 0.788, 0.782 and 0.789 for 1-, 3-, and 5-year OS, respectively. TIMER database analysis showed positive correlation between the ten prognostic IRGs and the levels of tumor-infiltrated immune cells, including CD4+ and CD8+ T cells, macrophages, neutrophils, and dendritic cells. These findings demonstrate that this novel ten-IRG signature correlates with the pathological stages and the levels of multiple tumor-infiltrated immune cell types. This makes the ten-IRG signature a potential prognostic factor for CRC patients.
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Affiliation(s)
- Wei Li
- Department of General Surgery, Hebei Key Laboratory of Colorectal Cancer Precision Diagnosis and Treatment, The First Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Xiaojing Jin
- Department of Emergency Medicine, The First Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Shang Guo
- Department of General Surgery, Hebei Key Laboratory of Colorectal Cancer Precision Diagnosis and Treatment, The First Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Fei Xu
- Department of General Surgery, Hebei Key Laboratory of Colorectal Cancer Precision Diagnosis and Treatment, The First Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Xingkai Su
- Department of General Surgery, Hebei Key Laboratory of Colorectal Cancer Precision Diagnosis and Treatment, The First Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Xia Jiang
- Department of General Surgery, Hebei Key Laboratory of Colorectal Cancer Precision Diagnosis and Treatment, The First Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Guiqi Wang
- Department of General Surgery, Hebei Key Laboratory of Colorectal Cancer Precision Diagnosis and Treatment, The First Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
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Induction of cytotoxic effector cells towards cholangiocellular, pancreatic, and colorectal tumor cells by activation of the immune checkpoint CD40/CD40L on dendritic cells. Cancer Immunol Immunother 2020; 70:1451-1464. [PMID: 33180184 PMCID: PMC8053193 DOI: 10.1007/s00262-020-02746-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Accepted: 10/12/2020] [Indexed: 11/05/2022]
Abstract
Introduction Gastrointestinal (GI) malignancies, such as cholangiocarcinoma, pancreatic carcinoma, and metastatic colorectal carcinoma, have a poor prognosis and effective therapeutic approaches are still challenging. Checkpoint inhibition with PD-1 or PDL-1 antibodies revealed promising results in different tumor entities; however, only few patients with GI tumors can potentially benefit from PD1/PDL1 inhibiting immunotherapy. Further immunotherapeutic strategies for GI malignancies are urgently needed. The aim of this study was to demonstrate that in vitro activation of the immune checkpoint CD40/CD40L can improve DC action towards bile duct, pancreas, and colorectal carcinoma. Methods Human DC were isolated from buffy coats from healthy donors, pulsed with tumor lysates and then transduced with adenoviruses encoding human CD40L (Ad-hCD40L). Using transwell assays, the effects of (m)CD40L on DC immunoactivation compared to (s)CD40L were analyzed. Surface marker and cytokine/chemokine expression were measured by flow cytometry, ELISA and cytokine arrays. Capacity of Ad-hCD40L-transduced DC to induce tumor-specific effector cells was tested using MTT proliferation assay and cytotoxicity assays. Apoptosis induction on tumor cells after culturing with supernatants of Ad-hCD40L-transduced DC was analyzed by flow cytometry. Results Ad-hCD40L transduction induced a high expression of (s)CD40L and (m)CD40L on DC and seemed to induce a strong cellular CD40/CD40L interaction among DC, leading to the formation of cell aggregates. Due to the CD40/CD40L interaction, a significant upregulation of DC maturation markers and a Th1-shift on cytokines/chemokines in the supernatant of DC were achieved. Interestingly, a pure Th1-shift was only achieved, when a cellular CD40/CD40L interaction among DC took place. (s)CD40L induced almost no upregulation of maturation markers and rather resulted in a Th2-cytokine expression, such as IL-10. Correspondingly, (m)CD40L-expressing DC led to significant proliferation and stimulation of tumor-specific effector cells with increased cytotoxicity towards pancreatic, bile duct and colorectal tumor cells. Supernatants of Ad-hCD40L-transduced DC could also induce apoptosis in the different tumor cells in vitro. Conclusion Stimulation of the immune checkpoint CD40L/CD40 by endogenous expression of (m)CD40L provokes a cellular interaction, which increases the immunomodulatory capacity of DC. A Th1 cytokine/chemokine expression is induced, leading to a significant proliferation and enabling cytotoxicity of effector cells towards human bile duct, pancreatic and colorectal tumor cells. The present data point to the promising approach for DC-based immunotherapy of gastrointestinal malignances by activating the CD40/CD40L immune checkpoint. Electronic supplementary material The online version of this article (10.1007/s00262-020-02746-x) contains supplementary material, which is available to authorized users.
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Crosby EJ, Hobeika AC, Niedzwiecki D, Rushing C, Hsu D, Berglund P, Smith J, Osada T, Gwin Iii WR, Hartman ZC, Morse MA, Lyerly HK. Long-term survival of patients with stage III colon cancer treated with VRP-CEA(6D), an alphavirus vector that increases the CD8+ effector memory T cell to Treg ratio. J Immunother Cancer 2020; 8:jitc-2020-001662. [PMID: 33177177 PMCID: PMC7661359 DOI: 10.1136/jitc-2020-001662] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/20/2020] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND There remains a significant need to eliminate the risk of recurrence of resected cancers. Cancer vaccines are well tolerated and activate tumor-specific immune effectors and lead to long-term survival in some patients. We hypothesized that vaccination with alphaviral replicon particles encoding tumor associated antigens would generate clinically significant antitumor immunity to enable prolonged overall survival (OS) in patients with both metastatic and resected cancer. METHODS OS was monitored for patients with stage IV cancer treated in a phase I study of virus-like replicon particle (VRP)-carcinoembryonic antigen (CEA), an alphaviral replicon particle encoding a modified CEA. An expansion cohort of patients (n=12) with resected stage III colorectal cancer who had completed their standard postoperative adjuvant chemotherapy was administered VRP-CEA every 3 weeks for a total of 4 immunizations. OS and relapse-free survival (RFS) were determined, as well as preimmunization and postimmunization cellular and humoral immunity. RESULTS Among the patients with stage IV cancer, median follow-up was 10.9 years and 5-year survival was 17%, (95% CI 6% to 33%). Among the patients with stage III cancer, the 5-year RFS was 75%, (95%CI 40% to 91%); no deaths were observed. At a median follow-up of 5.8 years (range: 3.9-7.0 years) all patients were still alive. All patients demonstrated CEA-specific humoral immunity. Patients with stage III cancer had an increase in CD8 +TEM (in 10/12) and decrease in FOXP3 +Tregs (in 10/12) following vaccination. Further, CEA-specific, IFNγ-producing CD8+granzyme B+TCM cells were increased. CONCLUSIONS VRP-CEA induces antigen-specific effector T cells while decreasing Tregs, suggesting favorable immune modulation. Long-term survivors were identified in both cohorts, suggesting the OS may be prolonged.
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Affiliation(s)
- Erika J Crosby
- Surgery, Duke University School of Medicine, Durham, North Carolina, USA
| | - Amy C Hobeika
- Surgery, Duke University School of Medicine, Durham, North Carolina, USA
| | - Donna Niedzwiecki
- Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, North Carolina, USA
- Biostatistics, Duke Cancer Institute, Durham, North Carolina, USA
| | - Christel Rushing
- Biostatistics, Duke Cancer Institute, Durham, North Carolina, USA
| | - David Hsu
- Medicine, Duke University School of Medicine, Durham, North Carolina, USA
| | | | | | - Takuya Osada
- Surgery, Duke University School of Medicine, Durham, North Carolina, USA
| | | | - Zachary C Hartman
- Surgery, Duke University School of Medicine, Durham, North Carolina, USA
- Pathology, Duke University School of Medicine, Durham, North Carolina, USA
| | - Michael A Morse
- Surgery, Duke University School of Medicine, Durham, North Carolina, USA
- Medicine, Duke University School of Medicine, Durham, North Carolina, USA
| | - Herbert Kim Lyerly
- Surgery, Duke University School of Medicine, Durham, North Carolina, USA
- Pathology, Duke University School of Medicine, Durham, North Carolina, USA
- Immunology, Duke University School of Medicine, Durham, North Carolina, USA
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10
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Pan QZ, Gu JM, Zhao JJ, Tang Y, Wang QJ, Zhu Q, Song MJ, Li YQ, He J, Chen SP, Weng DS, Xia JC. Retrospective analysis of the efficacy of cytokine-induced killer cell immunotherapy combined with first-line chemotherapy in patients with metastatic colorectal cancer. Clin Transl Immunology 2020; 9:e1113. [PMID: 32076550 PMCID: PMC7029432 DOI: 10.1002/cti2.1113] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Revised: 02/03/2020] [Accepted: 02/03/2020] [Indexed: 12/14/2022] Open
Abstract
Objectives Fluoropyrimidine‐based chemotherapy regimens are the current first‐line treatment for metastatic colorectal cancer (mCRC); however, the outcome is often unsatisfactory. The present study aimed to determine the effect of combined cytokine‐induced killer (CIK) cell immunotherapy and first‐line chemotherapy in patients with mCRC. Methods This retrospective study included 252 patients with mCRC treated with first‐line chemotherapy. Among them, 126 patients received first‐line chemotherapy only (control group), while the other 126 patients, with similar demographic and clinical characteristics, received CIK cell immunotherapy combined with first‐line chemotherapy (CIK group). Overall survival (OS) and progression‐free survival (PFS) were compared between the two groups using the Kaplan–Meier method. Results The median OS for the CIK group was 54.7 versus 24.1 months for the controls, and the median PFS for the CIK group was 25.7 versus 14.6 months for the controls. Univariate and multivariate analyses indicated that CIK cell treatment was an independent prognostic factor for patients' OS and PFS. Subgroup analyses showed that CIK cell treatment significantly improved the OS and PFS of patients with metastatic colon cancer, but not those with metastatic rectal cancer. Additionally, the change in CD3+CD56+ subsets after the fourth treatment cycle might be an indicator of successful CIK cell treatment: Patients with increased CD3+CD56+ subsets had better survival than those with decreased CD3+CD56+ subsets. Conclusion Cytokine‐induced killer cell immunotherapy combined with first‐line chemotherapy could significantly improve the OS and PFS of patients with mCRC, particularly for patients with metastatic colon cancer.
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Affiliation(s)
- Qiu-Zhong Pan
- State Key Laboratory of Oncology in South China Collaborative Innovation Center for Cancer Medicine Sun Yat-Sen University Cancer Center Guangzhou China.,Department of Biotherapy Sun Yat-Sen University Cancer Center Guangzhou China
| | - Jia-Mei Gu
- State Key Laboratory of Oncology in South China Collaborative Innovation Center for Cancer Medicine Sun Yat-Sen University Cancer Center Guangzhou China.,Department of Biotherapy Sun Yat-Sen University Cancer Center Guangzhou China
| | - Jing-Jing Zhao
- State Key Laboratory of Oncology in South China Collaborative Innovation Center for Cancer Medicine Sun Yat-Sen University Cancer Center Guangzhou China.,Department of Biotherapy Sun Yat-Sen University Cancer Center Guangzhou China
| | - Yan Tang
- State Key Laboratory of Oncology in South China Collaborative Innovation Center for Cancer Medicine Sun Yat-Sen University Cancer Center Guangzhou China.,Department of Biotherapy Sun Yat-Sen University Cancer Center Guangzhou China
| | - Qi-Jing Wang
- Department of Biotherapy Sun Yat-Sen University Cancer Center Guangzhou China
| | - Qian Zhu
- State Key Laboratory of Oncology in South China Collaborative Innovation Center for Cancer Medicine Sun Yat-Sen University Cancer Center Guangzhou China
| | - Meng-Jia Song
- State Key Laboratory of Oncology in South China Collaborative Innovation Center for Cancer Medicine Sun Yat-Sen University Cancer Center Guangzhou China
| | - Yong-Qiang Li
- Department of Biotherapy Sun Yat-Sen University Cancer Center Guangzhou China
| | - Jia He
- Department of Biotherapy Sun Yat-Sen University Cancer Center Guangzhou China
| | - Shi-Ping Chen
- Department of Biotherapy Sun Yat-Sen University Cancer Center Guangzhou China
| | - De-Sheng Weng
- State Key Laboratory of Oncology in South China Collaborative Innovation Center for Cancer Medicine Sun Yat-Sen University Cancer Center Guangzhou China.,Department of Biotherapy Sun Yat-Sen University Cancer Center Guangzhou China
| | - Jian-Chuan Xia
- State Key Laboratory of Oncology in South China Collaborative Innovation Center for Cancer Medicine Sun Yat-Sen University Cancer Center Guangzhou China.,Department of Biotherapy Sun Yat-Sen University Cancer Center Guangzhou China
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11
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Sun Y, Lai X, Yu Y, Li J, Cao L, Lin W, Huang C, Liao J, Chen W, Li C, Yang C, Ying M, Chen Q, Ye Y. Inhibitor of DNA binding 1 (Id1) mediates stemness of colorectal cancer cells through the Id1-c-Myc-PLAC8 axis via the Wnt/β-catenin and Shh signaling pathways. Cancer Manag Res 2019; 11:6855-6869. [PMID: 31440083 PMCID: PMC6664424 DOI: 10.2147/cmar.s207167] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 06/15/2019] [Indexed: 01/14/2023] Open
Abstract
Background Inhibitor of DNA binding 1 (Id1) is upregulated in multiple cancers, and Id1overexpression correlates with cancer aggressiveness and poor clinical outcomes in cancer patients. However, its roles in cancer stem-like cells (CSCs) and epithelial-mesenchymal transition (EMT) are still elusive. Purpose This study aimed to examine the role of Id1 on the mediation of CRC stemness and explore the underlying mechanisms. Methods Id1 and CD133 expression was detected by qPCR assay and immunohistochemistry (IHC) in normal mucosal and primary colorectal cancer (CRC) specimens. Id1 was stably knocked down (KD) in human CRC cell lines. Spheres forming assay and tumorigenic assay were performed to evaluate self-renewal capacity and tumor initiation. Expression of CSC- and EMT-related markers and TCF/LEF activity were assessed in HCT116 cells after Id1 KD. Results qPCR assay showed higher Id1 and CD133 expression in CRC specimens than in normal mucosal specimens (P<0.05). IHC detected high cytoplasmic Id1 expression in 35 CRC specimens (46.7%), and high CD133 expression in 22 CRC specimens (29.3%) and negative expression in 18 normal mucosal specimens. High Id1 expression positively correlated with poor differentiation (P=0.034), and CD133 expression correlated with T category in CRC patients (P=0.002). Spearman correlation analysis revealed a positive correlation between Id1 and CD133 expression in CRC patients (P<0.05). Id1 KD resulted in suppression of proliferation, cell-colony formation, self-renewal capability and CSC-like features in HCT116 cells, and impaired the tumor-initiating capability in CRC cells. In addition, Id1 maintained the stemness of CRC cells via the Id1-c-Myc-PLAC8 axis through activating the Wnt/β-catenin and Shh signaling pathways. Conclusions Id1 expression significantly correlates with CD133 expression in CRC patients, and Id1 KD impairs CSC-like capacity and reverses EMT traits, partially via the Wnt/β-catenin signaling. Id1 may be a promising therapeutic target against colon CSCs.
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Affiliation(s)
- Yanxia Sun
- School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, Fujian Province, People's Republic of China.,Laboratory of Immuno-Oncology, Fujian Provincial Cancer Hospital, Fuzhou 350014, Fujian Province, People's Republic of China
| | - Xiaolan Lai
- Department of Medical Oncology, Union Hospital of Fujian Medical University, Fuzhou 350001, Fujian Province, People's Republic of China
| | - Yue Yu
- School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, Fujian Province, People's Republic of China.,Laboratory of Immuno-Oncology, Fujian Provincial Cancer Hospital, Fuzhou 350014, Fujian Province, People's Republic of China
| | - Jieyu Li
- Laboratory of Immuno-Oncology, Fujian Provincial Cancer Hospital, Fuzhou 350014, Fujian Province, People's Republic of China.,Fujian Key Laboratory of Translational Cancer Medicine , Fuzhou 350014, Fujian Province, People's Republic of China
| | - Lei Cao
- Department of Medical Oncology, Union Hospital of Fujian Medical University, Fuzhou 350001, Fujian Province, People's Republic of China
| | - Wansong Lin
- Laboratory of Immuno-Oncology, Fujian Provincial Cancer Hospital, Fuzhou 350014, Fujian Province, People's Republic of China.,Fujian Key Laboratory of Translational Cancer Medicine , Fuzhou 350014, Fujian Province, People's Republic of China
| | - Chuanzhong Huang
- Laboratory of Immuno-Oncology, Fujian Provincial Cancer Hospital, Fuzhou 350014, Fujian Province, People's Republic of China.,Fujian Key Laboratory of Translational Cancer Medicine , Fuzhou 350014, Fujian Province, People's Republic of China
| | - Jinrong Liao
- Laboratory of Immuno-Oncology, Fujian Provincial Cancer Hospital, Fuzhou 350014, Fujian Province, People's Republic of China.,Fujian Key Laboratory of Translational Cancer Medicine , Fuzhou 350014, Fujian Province, People's Republic of China
| | - Wei Chen
- School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, Fujian Province, People's Republic of China.,Laboratory of Immuno-Oncology, Fujian Provincial Cancer Hospital, Fuzhou 350014, Fujian Province, People's Republic of China
| | - Chao Li
- Department of Pathology, Fujian Provincial Cancer Hospital, Fuzhou 350014, Fujian Province, People's Republic of China
| | - Chunkang Yang
- Department of Abdominal Surgery, Fujian Provincial Cancer Hospital, Fuzhou 350014, Fujian Province, People's Republic of China
| | - Mingang Ying
- Department of Abdominal Surgery, Fujian Provincial Cancer Hospital, Fuzhou 350014, Fujian Province, People's Republic of China
| | - Qiang Chen
- Department of Medical Oncology, Union Hospital of Fujian Medical University, Fuzhou 350001, Fujian Province, People's Republic of China
| | - Yunbin Ye
- Laboratory of Immuno-Oncology, Fujian Provincial Cancer Hospital, Fuzhou 350014, Fujian Province, People's Republic of China.,Fujian Key Laboratory of Translational Cancer Medicine , Fuzhou 350014, Fujian Province, People's Republic of China
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12
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Liver Metastases and Histological Growth Patterns: Biological Behavior and Potential Clinical Implications-Another Path to Individualized Medicine? JOURNAL OF ONCOLOGY 2019; 2019:6280347. [PMID: 30930945 PMCID: PMC6413382 DOI: 10.1155/2019/6280347] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 12/24/2018] [Accepted: 02/12/2019] [Indexed: 12/11/2022]
Abstract
Colorectal cancer is a major health burden and despite the recent advances in healthcare and screening programs, a great percentage of patients already present metastases once their disease is found. In those cases, liver surgery has an essential role, but even with neoadjuvant chemotherapy there is a high rate of intrahepatic recurrence. New prognostic factors are needed in order to decide the best surgical approach considering the biological behavior of the tumors in order to tailor the used therapies, moving towards individualized medicine/treatment. However, the majority of the factors described in literature are expensive, time consuming, and difficult to apply on a daily basis. Histological growth patterns have emerged over the past few years as a reproducible characteristic, an easy to apply one, and with very low costs since it only needs the standard Haematoxylin and Eosin stained slides of observation. In this article, we provide a review of the histological growth patterns of liver metastases and their prognostic significance, biological meaning, and therapeutic importance.
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13
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Wei J, Ma L, Lai YH, Zhang R, Li H, Li C, Lin J. Bazedoxifene as a novel GP130 inhibitor for Colon Cancer therapy. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2019; 38:63. [PMID: 30736824 PMCID: PMC6368818 DOI: 10.1186/s13046-019-1072-8] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Accepted: 01/30/2019] [Indexed: 12/22/2022]
Abstract
Background Interleukin-11 (IL-11), a dominant IL-6 family cytokine, is involved in tumorigenesis, tumor progression and differentiation in colon cancer cells. IL-11 signaling has been recently identified as a potential therapeutic target in colon cancer. Bazedoxifene, a third- generation selective estrogen modulator approved by the Food and Drug Administration (FDA), is a novel inhibitor of IL-11/GP130 signaling discovered by docking modeling. Methods In this study, the inhibition efficacy of bazedoxifene in colon cancer cells and its potential mechanism were investigated in vitro and in vivo by using MTT cell viability assay, BrdU cell proliferation assay, colony formation assay, wound-healing/cell migration assay, immunofluorescence, western blot assay and the mouse xenograft tumor model. Results Bazedoxifene inhibits phosphorylation of signal transducer and activator of transcription 3 (p-STAT3) and its nuclear translocation induced by IL-11 in colon cancer cells. It also inhibits p-STAT3 induced by IL-6 and IL-11 but not by OSM or STAT1 phosphorylation induced by INF-γ in human colon cancer cells. In addition, bazedoxifene can significantly inhibit phosphorylation of AKT and STAT3 downstream targets. Furthermore, bazedoxifene alone or together with oxaliplatin can significantly induce apoptosis, inhibit cell viability, cell colony formation and cell migration in colon cancer cells. Knock-down of IL-11R can reduce the sensitivity of colon cancer cells to bazedoxifene. IL-11 can reduce the efficacy of oxaliplatin-mediated inhibition of cell viability. Consistent with in vitro findings, bazedoxifene alone also attenuated HCT-15 xenograft tumor burden and reduced p-STAT3, p-AKT and p-ERK in vivo. Its combination with oxaliplatin attenuated DLD-1 xenograft tumor burden and reduced p-STAT3 in vivo. Conclusions Taken together, these results support bazedoxifene as a novel and effective therapeutic agent targeting IL-11/GP130 signaling for human colorectal cancer therapy. Electronic supplementary material The online version of this article (10.1186/s13046-019-1072-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Jia Wei
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China.,Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, 108 N. Greene Street, Baltimore, MD, 21201, USA
| | - Ling Ma
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, 108 N. Greene Street, Baltimore, MD, 21201, USA
| | - Yi-Hui Lai
- 33 Linsen Road, Chungshan District, Taipei, Taiwan
| | - Ruijie Zhang
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, 108 N. Greene Street, Baltimore, MD, 21201, USA
| | - Huameng Li
- Biophysics Graduate Program, The Ohio State University, Columbus, OH, 43210, USA
| | - Chenglong Li
- College of Pharmacy, University of Florida, Gainesville, FL, 32610, USA
| | - Jiayuh Lin
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, 108 N. Greene Street, Baltimore, MD, 21201, USA.
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