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Sarwar F, Ashhad S, Vimal A, Vishvakarma R. Small molecule inhibitors of the VEGF and tyrosine kinase for the treatment of cervical cancer. Med Oncol 2024; 41:199. [PMID: 38985225 DOI: 10.1007/s12032-024-02446-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Accepted: 07/02/2024] [Indexed: 07/11/2024]
Abstract
Cervical cancer accounts for most deaths due to cancer in women, majorly in developing nations. The culprit behind this disease is the human papillomavirus (HPV) which accounts for more than 90% of cervical cancer cases. The viral strains produce proteins that favor the knocking down of the apoptosis process and continuous growth of cells in the cervix leading to tumor growth. Proangiogenic growth factors, such as fibroblast growth factor (FGF), vascular endothelial growth factor (VEGF), angiopoietins, and other endothelial growth factors (EGF), are secreted by tumor cells and the surrounding microenvironment, which further advances the development of cancer. The extracellular domain of receptor tyrosine kinases is employed by ligands (like VEGF and EGF) to engage and activate them by inducing receptor dimerization, which facilitates the cascade impact of these factors. The tyrosine kinase domains of each receptor autophosphorylate each other, activating the receptor and initiating signaling cascades that promote angiogenesis, migration, proliferation, and survival of endothelial cells. Cancer cells benefit from its modified signaling pathways, which cause oncogenic activation. Upon early cervical cancer detection, the second-line therapy strategy involves blocking the signaling pathways with VEGF and small molecule tyrosine kinase inhibitors (TKIs). This review paper highlights the genesis of cervical cancer and combating it using VEGF and tyrosine kinase inhibitors by delving into the details of the currently available inhibitors. Further, we have discussed the inhibitor molecules that are currently in various phases of clinical trials. This paper will surely enhance the understanding of cervical cancer and its treatment approaches and what further interventions can be done to alleviate the disease currently serving as a major health burden in the developing world.
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Affiliation(s)
- Fatima Sarwar
- Department of Bioengineering, Integral University, Lucknow, Uttar Pradesh, 226026, India
| | - Samreen Ashhad
- Department of Bioengineering, Integral University, Lucknow, Uttar Pradesh, 226026, India
| | - Archana Vimal
- Department of Bioengineering, Integral University, Lucknow, Uttar Pradesh, 226026, India.
| | - Reena Vishvakarma
- Department of Bioengineering, Integral University, Lucknow, Uttar Pradesh, 226026, India.
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2
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Zheng J, Jin H, Tu Y. Differences in circulating lymphocyte subpopulations among patients with inflammatory polyps, colorectal adenomas and colorectal cancer. Arab J Gastroenterol 2024; 25:129-134. [PMID: 38413325 DOI: 10.1016/j.ajg.2023.12.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 09/06/2023] [Accepted: 12/31/2023] [Indexed: 02/29/2024]
Abstract
BACKGROUND AND STUDY AIMS Colorectal cancer (CRC) may develop from focal changes within benign or precancerous polyps. The immune system's failure to detect and eradicate tumor cells due to immune surveillance evasion, allows cancer to develop and spread. This study aims to analyze the differences in circulating lymphocyte subpopulations in patients with colorectal inflammatory polyps, colorectal adenomas and CRC. PATIENTS AND METHODS We retrospectively reviewed patients from September 2016 to December 2019 at the Shaoxing Second Hospital. Using flow cytometry, the subset distribution and immunophenotype of T cells, CD4+ T cells, CD8+ T cells, B cells and NK cells were investigated in peripheral blood mononuclear cell samples. The counts of lymphocytes were determined by white blood cell counts. RESULTS In total, 518 patients were included in this study. The counts of lymphocytes, T cells and NK cells in patients with inflammatory polyps, colorectal adenomas and CRC were lower than controls. The counts and percentages of CD8+ T cells in patients with inflammatory polyps, colorectal adenomas and CRC were lower than controls. The counts of CD4+ T cells were lower in patients with CRC than inflammatory polyps. The percentages of CD4+ T cells in patients with inflammatory polyps, colorectal adenomas and CRC were higher than controls, but lower in the CRC than inflammatory polyps, colorectal adenomas. The counts and percentages of B cells were lower in CRC patients than colorectal adenomas patients. In addition, the percentages of B cells were higher in patients with inflammatory polyps and colorectal adenomas than in controls. CONCLUSIONS The decrease in counts of lymphocyte, T cells, CD8+ T cells and NK cells in patients may be related to the dysplasia of epithelial cells. Furthermore, the B cells and CD4+ T cells may be related to the malignant growth of the dysplastic epithelial cells.
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Affiliation(s)
- Jialai Zheng
- Departments of Molecular Medicine, Shaoxing Second Hospital, Shaoxing, Zhejiang, China.
| | - Haiyong Jin
- Departments of Laboratory Medicine, Shaoxing Second Hospital, Shaoxing, Zhejiang, China
| | - Yongtao Tu
- Departments of Molecular Medicine, Shaoxing Second Hospital, Shaoxing, Zhejiang, China
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3
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Alsakarneh S, Jaber F, Qasim H, Massad A, Alzghoul H, Abboud Y, Dahiya DS, Bilal M, Shaukat A. Increased Risk of Breakthrough SARS-CoV-2 Infections in Patients with Colorectal Cancer: A Population-Based Propensity-Matched Analysis. J Clin Med 2024; 13:2495. [PMID: 38731022 PMCID: PMC11084503 DOI: 10.3390/jcm13092495] [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: 03/19/2024] [Revised: 04/20/2024] [Accepted: 04/23/2024] [Indexed: 05/13/2024] Open
Abstract
Background/Objectives: This study aimed to investigate the association between colorectal cancer (CRC) and the risk of breakthrough respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in vaccinated patients with CRC. Methods: This retrospective cohort study used the TriNetX research network to identify vaccinated patients with CRC. Patients were matched using propensity score matching (PSM) and divided into patients with CRC and control (without history of CRC) groups. The primary outcome was the risk of breakthrough SARS-CoV-2 in vaccinated patients. The secondary outcome was a composite of all-cause emergency department (ED) visits, hospitalization, and death during the follow-up period after the diagnosis of COVID-19. Results: A total of 15,416 vaccinated patients with CRC were identified and propensity matched with 15,416 vaccinated patients without CRC. Patients with CRC had a significantly increased risk for breakthrough infections compared to patients without CRC (aOR = 1.78; [95% CI: 1.47-2.15]). Patients with CRC were at increased risk of breakthrough SARS-CoV-2 infections after two doses (aOR = 1.71; [95% CI: 1.42-2.06]) and three doses (aOR = 1.36; [95% CI: 1.09-1.69]) of SARS-CoV-2 vaccine. Vaccinated patients with CRC were at a lower risk of COVID-19 infection than unvaccinated CRC patients (aOR = 0.342; [95% CI: 0.289-0.404]). The overall composite outcome (all-cause ED visits, all-cause hospitalization, and all-cause death) was 51.6% for breakthrough infections, which was greater than 44.3% for propensity score-matched patients without CRC (aOR = 1.79; [95% CI: 1.29-2.47]). Conclusions: This cohort study showed significantly increased risks for breakthrough SARS-CoV-2 infection in vaccinated patients with CRC. Breakthrough SARS-CoV-2 infections in patients with CRC were associated with significant and substantial risks for hospitalizations.
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Affiliation(s)
- Saqr Alsakarneh
- Department of Medicine, University of Missouri, Kansas City, MO 64110, USA; (F.J.); (H.Q.)
| | - Fouad Jaber
- Department of Medicine, University of Missouri, Kansas City, MO 64110, USA; (F.J.); (H.Q.)
| | - Hana Qasim
- Department of Medicine, University of Missouri, Kansas City, MO 64110, USA; (F.J.); (H.Q.)
| | - Abdallah Massad
- Department of Medicine, University of Texas Medical Branch, Galveston, TX 77555, USA;
| | - Hamza Alzghoul
- Department of Medicine, University of Central Florida, Orlando, FL 32816, USA;
| | - Yazan Abboud
- Department of Medicine, Rutgers University School of Medicine, Newark, NJ 07103, USA;
| | - Dushyant Singh Dahiya
- Division of Gastroenterology, Hepatology and Motility, University of Kansas, Lawrence, KS 66045, USA;
| | - Mohammad Bilal
- Division of Gastroenterology, Hepatology, and Nutrition, University of Minnesota Medical Center, Minneapolis, MN 55455, USA;
| | - Aasma Shaukat
- Division of Gastroenterology, Department of Medicine and Population Health, NYU Grossman School of Medicine, New York, NY 10016, USA;
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Wang J, Ford JC, Mitra AK. Defining the Role of Metastasis-Initiating Cells in Promoting Carcinogenesis in Ovarian Cancer. BIOLOGY 2023; 12:1492. [PMID: 38132318 PMCID: PMC10740540 DOI: 10.3390/biology12121492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 11/23/2023] [Accepted: 11/30/2023] [Indexed: 12/23/2023]
Abstract
Ovarian cancer is the deadliest gynecological malignancy with a high prevalence of transcoelomic metastasis. Metastasis is a multi-step process and only a small percentage of cancer cells, metastasis-initiating cells (MICs), have the capacity to finally establish metastatic lesions. These MICs maintain a certain level of stemness that allows them to differentiate into other cell types with distinct transcriptomic profiles and swiftly adapt to external stresses. Furthermore, they can coordinate with the microenvironment, through reciprocal interactions, to invade and establish metastases. Therefore, identifying, characterizing, and targeting MICs is a promising strategy to counter the spread of ovarian cancer. In this review, we provided an overview of OC MICs in the context of characterization, identification through cell surface markers, and their interactions with the metastatic niche to promote metastatic colonization.
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Affiliation(s)
- Ji Wang
- Indiana University School of Medicine-Bloomington, Indiana University, Bloomington, IN 47405, USA; (J.W.); (J.C.F.)
- Melvin and Bren Simon Comprehensive Cancer Center, Indiana University, Indianapolis, IN 46202, USA
| | - James C. Ford
- Indiana University School of Medicine-Bloomington, Indiana University, Bloomington, IN 47405, USA; (J.W.); (J.C.F.)
| | - Anirban K. Mitra
- Indiana University School of Medicine-Bloomington, Indiana University, Bloomington, IN 47405, USA; (J.W.); (J.C.F.)
- Melvin and Bren Simon Comprehensive Cancer Center, Indiana University, Indianapolis, IN 46202, USA
- Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN 46202, USA
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Pandurangi R, Karwa A, Sagaram US, Henzler-Wildman K, Shah D. Medicago Sativa Defensin1 as a tumor sensitizer for improving chemotherapy: translation from anti-fungal agent to a potential anti-cancer agent. Front Oncol 2023; 13:1141755. [PMID: 37305575 PMCID: PMC10251204 DOI: 10.3389/fonc.2023.1141755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 04/12/2023] [Indexed: 06/13/2023] Open
Abstract
Plant defensins including Medicago Sativa defensin 1 (MsDef1) are cysteine-rich antifungal peptides which are known for potent broad-spectrum antifungal activity against bacterial or fungal pathogens of plants. The antimicrobial activities of these cationic defensins are attributed to their capacity to bind to cell membranes to create potentially structural defects tin the cell membranes to interact with intracellular target (s) and mediates cytotoxic effects. Our earlier work identified Glucosylceramide (GlcCer) of fungus F. graminearum as a potential target for biological activity. Multi-drug resistant (MDR) cancer cells overexpress GlcCer on the surface of plasma membrane. Hence, MsDef1 may have a potential to bind to GlcCer of MDR cancer cells to induce cell death. We have characterized the three-dimensional structure of MsDef1 and the solution dynamics using of 15N-labeled MsDef1 nuclear magnetic resonance (NMR) spectroscopy which showed that GlcCer binds MsDef1 at two specific sites on the peptide molecule. The ability of MsDef1 to permeate MDR cancer cells was demonstrated by measuring the release of apoptotic ceramide in drug resistant MCF-7R cells. It was also shown that MsDef1 activated dual cell death pathways ceramide and Apoptosis Stimulating Kinase ASK1 by disintegrating GlcCer and oxidizing tumor specific biomarker thioredoxin (Trx) respectively. As a result, MsDef1 sensitizes MDR cancer cells to evoke a better response from Doxorubicin, a front-line chemotherapy for triple negative breast cancer (TNBC) treatment. The combination of MsDef1 and Doxorubicin induced 5 to10-fold greater apoptosis in vitro MDR cells MDA-MB-231R compared to either MsDef1 or Doxorubicin alone. Confocal microscopy revealed that MsDef1 facilitates a) influx of Doxorubicin in MDR cancer cells, b) preferential uptake by MDR cells but not by normal fibroblasts and breast epithelial cells (MCF-10A). These results suggest that MsDef1 targets MDR cancer cells and may find utility as a neoadjuvant chemotherapy. Hence, the extension of antifungal properties of MsDef1 to cancer my result in addressing the MDR problems in cancer.
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Affiliation(s)
- Raghu Pandurangi
- Sci-Engi-Medco Solutions Inc (SEMCO), St Charles, MO, United States
| | - Amol Karwa
- Mallinckrodt Pharmaceuticals, Hazelwood, MO, United States
| | - Uma Shankar Sagaram
- DeLuca Biochemistry Laboratories, University of Wisconsin, Madison, WI, United States
| | | | - Dilip Shah
- Donald Danforth Plant Science Center, St Louis, MO, United States
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Atreya I, Neurath MF. How the Tumor Micromilieu Modulates the Recruitment and Activation of Colorectal Cancer-Infiltrating Lymphocytes. Biomedicines 2022; 10:biomedicines10112940. [PMID: 36428508 PMCID: PMC9687992 DOI: 10.3390/biomedicines10112940] [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: 10/23/2022] [Revised: 11/10/2022] [Accepted: 11/11/2022] [Indexed: 11/17/2022] Open
Abstract
The successful treatment of advanced colorectal cancer disease still represents an insufficiently solved clinical challenge, which is further complicated by the fact that the majority of malignant colon tumors show only relatively low immunogenicity and therefore have only limited responsiveness to immunotherapeutic approaches, such as, for instance, the use of checkpoint inhibitors. As it has been well established over the past two decades that the local tumor microenvironment and, in particular, the quantity, quality, and activation status of intratumoral immune cells critically influence the clinical prognosis of patients diagnosed with colorectal cancer and their individual benefits from immunotherapy, the enhancement of the intratumoral accumulation of cytolytic effector T lymphocytes and other cellular mediators of the antitumor immune response has emerged as a targeted objective. For the future identification and clinical validation of novel therapeutic target structures, it will thus be essential to further decipher the molecular mechanisms and cellular interactions in the intestinal tumor microenvironment, which are crucially involved in immune cell recruitment and activation. In this context, our review article aims at providing an overview of the key chemokines and cytokines whose presence in the tumor micromilieu relevantly modulates the numeric composition and antitumor capacity of tumor-infiltrating lymphocytes.
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Affiliation(s)
- Imke Atreya
- Department of Medicine 1, Erlangen University Hospital, Friedrich-Alexander-University Erlangen-Nürnberg, 91054 Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Erlangen University Hospital, Friedrich-Alexander-University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Markus F. Neurath
- Department of Medicine 1, Erlangen University Hospital, Friedrich-Alexander-University Erlangen-Nürnberg, 91054 Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Erlangen University Hospital, Friedrich-Alexander-University Erlangen-Nürnberg, 91054 Erlangen, Germany
- Correspondence: ; Tel.: +49-9131-8535204; Fax: +49-9131-8535209
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7
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Batalha S, Ferreira S, Brito C. The Peripheral Immune Landscape of Breast Cancer: Clinical Findings and In Vitro Models for Biomarker Discovery. Cancers (Basel) 2021; 13:1305. [PMID: 33804027 PMCID: PMC8001103 DOI: 10.3390/cancers13061305] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/09/2021] [Accepted: 03/12/2021] [Indexed: 02/07/2023] Open
Abstract
Breast cancer is the deadliest female malignancy worldwide and, while much is known about phenotype and function of infiltrating immune cells, the same attention has not been paid to the peripheral immune compartment of breast cancer patients. To obtain faster, cheaper, and more precise monitoring of patients' status, it is crucial to define and analyze circulating immune profiles. This review compiles and summarizes the disperse knowledge on the peripheral immune profile of breast cancer patients, how it departs from healthy individuals and how it changes with disease progression. We propose this data to be used as a starting point for validation of clinically relevant biomarkers of disease progression and therapy response, which warrants more thorough investigation in patient cohorts of specific breast cancer subtypes. Relevant clinical findings may also be explored experimentally using advanced 3D cellular models of human cancer-immune system interactions, which are under intensive development. We review the latest findings and discuss the strengths and limitations of such models, as well as the future perspectives. Together, the scientific advancement of peripheral biomarker discovery and cancer-immune crosstalk in breast cancer will be instrumental to uncover molecular mechanisms and putative biomarkers and drug targets in an all-human setting.
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Affiliation(s)
- Sofia Batalha
- Instituto de Biologia Experimental e Tecnológica (iBET), Apartado 12, 2781-901 Oeiras, Portugal;
- Instituto de Tecnologia Química e Biológica António Xavier, University Nova de Lisboa, Avenida da República, 2780-157 Oeiras, Portugal
| | - Sofia Ferreira
- Instituto Português de Oncologia de Lisboa Francisco Gentil, Rua Prof Lima Basto, 1099-023 Lisboa, Portugal;
| | - Catarina Brito
- Instituto de Biologia Experimental e Tecnológica (iBET), Apartado 12, 2781-901 Oeiras, Portugal;
- Instituto de Tecnologia Química e Biológica António Xavier, University Nova de Lisboa, Avenida da República, 2780-157 Oeiras, Portugal
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8
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Sharma S, Deep A, Rana AC, Yadav M, Sharma AK. Possible Biomarkers and Therapeutic Targets for the Management of Cervical Cancer. CURRENT CANCER THERAPY REVIEWS 2020. [DOI: 10.2174/1573394715666190126142508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Introduction:
Cervical cancer is the most prevalent cancer in the world due to unusual
extension of cervical cell. Cervical cancer occurs due to exposure of HPV (Human papillomavirus).
According to WHO, it is the 4th most ordinary cancer in women. In 2018, approx 6.6% of
population was affected around the world and 570,000 new cases were reported. In low and
middle-income countries, 90% of cervical cancer deaths occur.
Methods:
Despite various factors that cause cervical cancer are included exposure to HPV,
dysregulation of CASPASE enzyme, elevated expression of IAPs (Inhibitor apoptotic protein), E6
and E7 gene of HPV, inhibition of p53, BAK, p16 upregulation, CDK-inactivation causing cervical
cancer, role of VEGF, role of estrogen and its receptor in cervical cancer.
Results:
Cervical cancer can be screened by Pep test. There are various therapies that can be used
to treat cervical cancer. As these therapies have various side effects, so the world is moving to
herbal formulations to treat cervical cancer.
Conclusion:
In this study, we will discuss cervical cancer, its cause, symptoms, pathophysiology
and treatments. Early screening and detection can help in reducing the overall burden of cervical
cancer in the near future.
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Affiliation(s)
- Sombeer Sharma
- Department of Pharmaceutical Sciences, Chaudhary Bansi Lal University, Bhiwani-127021, Haryana, India
| | - Aakash Deep
- Department of Pharmaceutical Sciences, Chaudhary Bansi Lal University, Bhiwani-127021, Haryana, India
| | - Avtar C. Rana
- Department of Pharmaceutical Sciences, Chaudhary Bansi Lal University, Bhiwani-127021, Haryana, India
| | - Monu Yadav
- Department of Pharmaceutical Sciences, Chaudhary Bansi Lal University, Bhiwani-127021, Haryana, India
| | - Arun K. Sharma
- Department of Pharmacology, Amity Institute of Pharmacy, Amity University, Gurugram, Haryana 122051, India
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Preoperative lymphocyte-to-monocyte ratio predicts postoperative infectious complications after laparoscopic colorectal cancer surgery. Int J Clin Oncol 2019; 25:633-640. [PMID: 31781993 DOI: 10.1007/s10147-019-01583-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 11/19/2019] [Indexed: 12/31/2022]
Abstract
BACKGROUND AND AIM Postoperative infectious complications (POI), which can increase length of hospital stay, medical cost, and worsen overall survival, are a concern in minimally invasive colorectal cancer (CRC) surgeries. Recent reports showed that relatively new inflammation-based score, lymphocyte-to-monocyte ratio (LMR) is an independent predictor of long-term outcomes after CRC surgeries. In this study, LMR was evaluated as a predictor of short-term postoperative outcomes. PATIENTS AND METHODS This was a single-institutional retrospective study of 211 consecutive patients who had undergone laparoscopic CRC surgery with primary tumor resection from January 2014 to August 2015 at Nippon Medical School Chiba Hokusoh Hospital. The patients were divided into two groups (no POI; n = 176 and POI; n = 35). The associations between inflammation-based scores, namely neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio, and LMR, and the occurrence of POI were investigated. Receiving operator characteristic curve analysis was used to determine the cutoff point of preoperative LMR. RESULTS Low LMR (cut-off 3.46), long operative time, and smoking were found to be independent predictors of POI in a multivariate analysis (LMR: Odds ratio 5.61, 95% confidence interval 1.98-15.9, P = 0.001). Patients with low LMR also appeared to have more advanced and aggressive tumours. CONCLUSION This is the first study to report that the lower LMR is a predictive factor of POI after laparoscopic CRC surgery, and it may provide additional information for treatment decisions to prevent POI.
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Krzystek-Korpacka M, Zawadzki M, Lewandowska P, Szufnarowski K, Bednarz-Misa I, Jacyna K, Witkiewicz W, Gamian A. Distinct Chemokine Dynamics in Early Postoperative Period after Open and Robotic Colorectal Surgery. J Clin Med 2019; 8:jcm8060879. [PMID: 31248170 PMCID: PMC6616914 DOI: 10.3390/jcm8060879] [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: 05/06/2019] [Revised: 05/29/2019] [Accepted: 06/17/2019] [Indexed: 01/13/2023] Open
Abstract
Stress response to robot-assisted colorectal surgery is largely unknown. Therefore, we conducted a prospective comparative nonrandomized study evaluating the perioperative dynamics of chemokines: IL-8/CXCL8, MCP-1/CCL2, MIP-1α/CCL3, MIP-1β/CCL4, RANTES/CCL5, and eotaxin-1/CCL11 in 61 colorectal cancer patients following open colorectal surgery (OCS) or robot-assisted surgery (RACS) in reference to clinical data. Postoperative IL-8 and MCP-1 increase was reduced in RACS with a magnitude of blood loss, length of surgery, and concomitant up-regulation of IL-6 and TNFα as its independent predictors. RANTES at 8 h dropped in RACS and RANTES, and MIP1α/β at 24 h were more elevated in RACS than OCS. IL-8 and MCP-1 at 72 h remained higher in patients subsequently developing surgical site infections, in whom a 2.6- and 2.5-fold increase was observed. IL-8 up-regulation at 24 h in patients undergoing open procedure was predictive of anastomotic leak (AL; 94% accuracy). Changes in MCP-1 and RANTES were predictive of delayed restoration of bowel function. Chemokines behave differently depending on procedure. A robot-assisted approach may be beneficial in terms of chemokine dynamics by favoring Th1 immunity and attenuated angiogenic potential and postoperative ileus. Monitoring chemokine dynamics may prove useful for predicting adverse clinical events. Attenuated chemokine up-regulation results from less severe blood loss and diminished inflammatory response.
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Affiliation(s)
| | - Marek Zawadzki
- Department of Oncological Surgery, Regional Specialist Hospital, 51-124 Wroclaw, Poland.
| | - Paulina Lewandowska
- Department of Medical Biochemistry, Wroclaw Medical University, 50-368 Wroclaw, Poland.
| | | | - Iwona Bednarz-Misa
- Department of Medical Biochemistry, Wroclaw Medical University, 50-368 Wroclaw, Poland.
| | - Krzysztof Jacyna
- Department of Oncological Surgery, Regional Specialist Hospital, 51-124 Wroclaw, Poland.
| | - Wojciech Witkiewicz
- Department of Oncological Surgery, Regional Specialist Hospital, 51-124 Wroclaw, Poland.
- Research and Development Centre at Regional Specialist Hospital, 51-124 Wroclaw, Poland.
| | - Andrzej Gamian
- Department of Medical Biochemistry, Wroclaw Medical University, 50-368 Wroclaw, Poland.
- Laboratory of Medical Microbiology, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wroclaw, Poland.
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Sun QM, Hu B, Fu PY, Tang WG, Zhang X, Zhan H, Sun C, He YF, Song K, Xiao YS, Sun J, Xu Y, Zhou J, Fan J. Long non-coding RNA 00607 as a tumor suppressor by modulating NF-κB p65/p53 signaling axis in hepatocellular carcinoma. Carcinogenesis 2019; 39:1438-1446. [PMID: 30169594 DOI: 10.1093/carcin/bgy113] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Accepted: 08/24/2018] [Indexed: 02/06/2023] Open
Abstract
Accumulating evidence suggests that long non-coding RNA (lncRNA) plays important roles in some malignant tumors. However, the mechanism underlying how lncRNA regulates hepatocellular carcinoma (HCC) process remains largely unknown. In this study, we explored the potential role of lncRNA 00607 as a novel tumor suppressor in HCC. In this study, we examined the regulation of lncRNA 00607 by the important inflammatory cytokine tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6). We also determined the expression of LINC000607 in 159 HCC tumors and paired adjacent tissues. Effects of LINC000607 in HCC proliferation and apoptosis were examined in vitro in HCC cell lines and in vivo tumor xenografts. Furthermore, we also examine underlying mechanism by which lncRNA 00607 regulates NF-κB p65 and how LIN00607 exerts its tumor suppressor role in HCC. We found that lncRNA 00607 expression level is lower in HCC tumors compared with matched normal liver tissue, and its low expression predicts worse prognosis in HCC. Functionally, lncRNA 00607 overexpression leads to decreased HCC cell proliferation in vitro and in vivo, enhanced apoptosis and chemotherapeutic drug sensitivity. Mechanistically, lncRNA 00607 inhibits the p65 transcription by binding to the p65 promoter region, therefore contributing to increased p53 levels in HCC. Taken together, the findings of this study show that the TNF-α/IL-6-lncRNA 00607-NF-κB p65/p53 signaling axis represents a novel therapeutic avenue in cancer chemotherapy.
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Affiliation(s)
- Qi-Man Sun
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Zhongshan Hospital of Fudan University, Shanghai, P.R. China
| | - Bo Hu
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Zhongshan Hospital of Fudan University, Shanghai, P.R. China
| | - Pei-Yao Fu
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Zhongshan Hospital of Fudan University, Shanghai, P.R. China
| | - Wei-Guo Tang
- Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, P. R. China
| | - Xin Zhang
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Zhongshan Hospital of Fudan University, Shanghai, P.R. China
| | - Hao Zhan
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Zhongshan Hospital of Fudan University, Shanghai, P.R. China
| | - Chao Sun
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Zhongshan Hospital of Fudan University, Shanghai, P.R. China
| | - Yi-Feng He
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Zhongshan Hospital of Fudan University, Shanghai, P.R. China
| | - Kang Song
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Zhongshan Hospital of Fudan University, Shanghai, P.R. China
| | - Yong-Sheng Xiao
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Zhongshan Hospital of Fudan University, Shanghai, P.R. China
| | - Jian Sun
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Zhongshan Hospital of Fudan University, Shanghai, P.R. China
| | - Yang Xu
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Zhongshan Hospital of Fudan University, Shanghai, P.R. China
| | - Jian Zhou
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Zhongshan Hospital of Fudan University, Shanghai, P.R. China.,Institute of Biomedical Sciences, Fudan University, Shanghai, P.R. China
| | - Jia Fan
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Zhongshan Hospital of Fudan University, Shanghai, P.R. China.,Institute of Biomedical Sciences, Fudan University, Shanghai, P.R. China
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12
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Varallyay CG, Toth GB, Fu R, Netto JP, Firkins J, Ambady P, Neuwelt EA. What Does the Boxed Warning Tell Us? Safe Practice of Using Ferumoxytol as an MRI Contrast Agent. AJNR Am J Neuroradiol 2017; 38:1297-1302. [PMID: 28495944 PMCID: PMC5509484 DOI: 10.3174/ajnr.a5188] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 02/17/2017] [Indexed: 12/25/2022]
Abstract
BACKGROUND AND PURPOSE Despite the label change and the FDA's boxed warning added to the Feraheme (ferumoxytol) label in March 2015, radiologists have shown increasing interest in using ferumoxytol as an MR imaging contrast agent as a supplement or alternative to gadolinium. The goals of this study were to provide information regarding ferumoxytol safety as an imaging agent in a single center and to assess how the Feraheme label change may affect this potential, currently off-label indication. MATERIALS AND METHODS This retrospective study evaluated the overall frequency of ferumoxytol-related adverse events when used for CNS MR imaging. Patients with various CNS pathologies were enrolled in institutional review board-approved imaging studies. Ferumoxytol was administered as multiple rapid bolus injections. The risk of adverse events was correlated with demographic data/medical history. RESULTS The safety of 671 ferumoxytol-enhanced MR studies in 331 patients was analyzed. No anaphylactic, life-threatening, or fatal (grade 4 or 5) adverse events were recorded. The overall proportion of ferumoxytol-related grade 1-3 adverse events was 10.6% (8.6% occurring within 48 hours), including hypertension (2.38%), nausea (1.64%), diarrhea (1.04%), and headache (1.04%). History of 1 or 2 allergies was associated with an increased risk of adverse events (14.61% versus 7.51% [no history]; P = .007). CONCLUSIONS The frequency of mild ferumoxytol-related adverse events was comparable with literature results, and no serious adverse event was recorded. Although the recommendations in the boxed warning should be followed, serious adverse events appear to be rare, and with proper precautions, ferumoxytol may be a valuable MR imaging agent.
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Affiliation(s)
- C G Varallyay
- From the Departments of Radiology (C.G.V., J.P.N.)
- Neurology (C.G.V., G.B.T., J.P.N., J.F., P.A., E.A.N.)
| | - G B Toth
- Neurology (C.G.V., G.B.T., J.P.N., J.F., P.A., E.A.N.)
| | - R Fu
- Medical Informatics and Clinical Epidemiology (R.F.)
- School of Public Health (R.F.), Oregon Health & Science University, Portland, Oregon
| | - J P Netto
- Neurology (C.G.V., G.B.T., J.P.N., J.F., P.A., E.A.N.)
| | - J Firkins
- Neurology (C.G.V., G.B.T., J.P.N., J.F., P.A., E.A.N.)
| | - P Ambady
- Neurology (C.G.V., G.B.T., J.P.N., J.F., P.A., E.A.N.)
| | - E A Neuwelt
- Neurology (C.G.V., G.B.T., J.P.N., J.F., P.A., E.A.N.)
- Neurosurgery (E.A.N.)
- Portland Veterans Affairs Medical Center (E.A.N.), Portland, Oregon
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13
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Sennikov SV, Khantakova JN, Kulikova EV, Obleukhova IA, Shevchenko JA. Modern strategies and capabilities for activation of the immune response against tumor cells. Tumour Biol 2017; 39:1010428317698380. [PMID: 28513301 DOI: 10.1177/1010428317698380] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Dendritic cells are professional antigen-presenting cells and the most potent stimulators of various immune responses, such as antitumor responses. Modern studies have not shown an effective antitumor immune response development in patients with malignant tumors. The major cause is the decrease in functional activity of dendritic cells in cancer patients through irregularities in the maturation process to a functionally active form and in the antigen presentation process to naive T lymphocytes. This review describes the main stages of cellular antitumor immune response induction in vitro, aimed at resolving the problems that are blocking the full functioning of dendritic cells, and additional stimulation of antitumor immune response.
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Affiliation(s)
- Sergey Vital'evich Sennikov
- Department of Molecular Immunology, Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology," Novosibirsk, Russia
| | - Julia Nikolaevna Khantakova
- Department of Molecular Immunology, Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology," Novosibirsk, Russia
| | - Ekaterina Vladimirovna Kulikova
- Department of Molecular Immunology, Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology," Novosibirsk, Russia
| | - Irina Alexandrovna Obleukhova
- Department of Molecular Immunology, Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology," Novosibirsk, Russia
| | - Julia Alexandrovna Shevchenko
- Department of Molecular Immunology, Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology," Novosibirsk, Russia
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Elevated systemic interleukin-7 in patients with colorectal cancer and individuals at high risk of cancer: association with lymph node involvement and tumor location in the right colon. Cancer Immunol Immunother 2016; 66:171-179. [PMID: 27866242 PMCID: PMC5281653 DOI: 10.1007/s00262-016-1933-3] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2016] [Accepted: 11/14/2016] [Indexed: 12/14/2022]
Abstract
Interleukin (IL)-7 is a cytokine essential for protective immunity, and it is considered as a promising agent for cancer immunotherapy. Recent studies, however, appear to associate IL-7 with aggressiveness of solid tumors. The IL-7 has been less studied in colorectal cancer (CRC) and conditions associated with increased risk of CRC development. To explore IL-7 status in bowel diseases, it was measured immunofluorometrically in 431 individuals (110 with CRC) by using Luminex platform. A level of IL-7 in CRC patients was significantly higher than in controls, did not differ from those with adenomas, but was lower than in both active and inactive inflammatory bowel disease (IBD) cases. In CRC, IL-7 was higher in patients with lymph node and distant metastases and with tumors located in right colon. In adenomas, IL-7 elevation was associated exclusively with villous growth pattern, while in IBD, circulating IL-7 reflected clinical activity of Crohn’s disease and ulcerative colitis. Systemic TNFα, IL-10, and PDGF-BB were independent predictors of circulating IL-7. In summary, our study is the first to demonstrate IL-7 elevation in CRC in association with metastatic disease and tumor location. Both associations should be considered when designing IL-7-based immunotherapies for CRC. Further studies on IL-7 functionality in CRC are necessary.
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15
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Moltu K, Henjum K, Oberprieler NG, Bjørnbeth BA, Taskén K. Proximal signaling responses in peripheral T cells from colorectal cancer patients are affected by high concentrations of circulating prostaglandin E 2. Hum Immunol 2016; 78:129-137. [PMID: 27769746 DOI: 10.1016/j.humimm.2016.10.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2016] [Revised: 09/19/2016] [Accepted: 10/17/2016] [Indexed: 01/05/2023]
Abstract
Patients with colorectal cancer (CRC) have been shown to have elevated levels of circulating prostaglandin E2 (PGE2) which promotes cancer progression and suppresses T cell immune responses. In this study we evaluated whether signaling responses in T lymphocytes obtained from peripheral blood of CRC patients were affected by the sustained exposure to increased levels of PGE2. The phosphorylation status of an extended panel of proteins involved in downstream signaling cascades in T cells was profiled at a single cell level both in naïve and antigen-experienced cells after triggering T cell-, prostaglandin- and interleukin-2 receptors. Peripheral T cells from patients with elevated PGE2 levels displayed aberrant T cell signaling responses downstream of the T cell receptor (assessed by reduced phosphorylation of CD3ζ and SLP76), and after triggering the IL-2 receptor (assessed by reduced phosphorylation of STAT5) when compared to T cells from CRC patients with lower levels of PGE2 and T cells from healthy blood donors. This signaling study of circulating T cells from CRC patients indicates that increased systemic PGE2 levels affect proximal T cell responses and confirms phospho-specific flow cytometry to be a valuable tool for revealing signaling signatures in immunological disorders.
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Affiliation(s)
- Kristine Moltu
- Centre for Molecular Medicine Norway (NCMM), Nordic EMBL Partnership, University of Oslo and Oslo University Hospital, P.O. Box 1137 Blindern, 0318 Oslo, Norway; Biotechnology Centre, University of Oslo, P.O. Box 1125 Blindern, 0317 Oslo, Norway
| | - Karen Henjum
- Biotechnology Centre, University of Oslo, P.O. Box 1125 Blindern, 0317 Oslo, Norway; Department of Gastrointestinal Surgery, Oslo University Hospital, P.O. Box 4956 Nydalen, 0424 Oslo, Norway
| | | | - Bjørn A Bjørnbeth
- Department of Gastrointestinal Surgery, Oslo University Hospital, P.O. Box 4956 Nydalen, 0424 Oslo, Norway
| | - Kjetil Taskén
- Centre for Molecular Medicine Norway (NCMM), Nordic EMBL Partnership, University of Oslo and Oslo University Hospital, P.O. Box 1137 Blindern, 0318 Oslo, Norway; Biotechnology Centre, University of Oslo, P.O. Box 1125 Blindern, 0317 Oslo, Norway; Department of Infectious Diseases, Oslo University Hospital, P.O. Box 4956 Nydalen, 0424 Oslo, Norway; K.G. Jebsen Centre for Cancer Immunotherapy, Biotechnology Centre, University of Oslo, P.O. Box 1125 Blindern, 0317 Oslo, Norway; K.G. Jebsen Inflammation Research Centre, Centre for Molecular Medicine Norway, University of Oslo, P.O. Box 1137 Blindern, 0318 Oslo, Norway.
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16
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Pathological Type-2 Immune Response, Enhanced Tumor Growth, and Glucose Intolerance in Retnlβ (RELMβ) Null Mice: A Model of Intestinal Immune System Dysfunction in Disease Susceptibility. THE AMERICAN JOURNAL OF PATHOLOGY 2016; 186:2404-16. [PMID: 27397737 DOI: 10.1016/j.ajpath.2016.04.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 04/07/2016] [Accepted: 04/26/2016] [Indexed: 01/22/2023]
Abstract
Resistin, and its closely related homologs, the resistin-like molecules (RELMs) have been implicated in metabolic dysregulation, inflammation, and cancer. Specifically, RELMβ, expressed predominantly in the goblet cells in the colon, is released both apically and basolaterally, and is hence found in both the intestinal lumen in the mucosal layer as well as in the circulation. RELMβ has been linked to both the pathogenesis of colon cancer and type 2 diabetes. RELMβ plays a complex role in immune system regulation, and the impact of loss of function of RELMβ on colon cancer and metabolic regulation has not been fully elucidated. We therefore tested whether Retnlβ (mouse ortholog of human RETNLβ) null mice have an enhanced or reduced susceptibility for colon cancer as well as metabolic dysfunction. We found that the lack of RELMβ leads to increased colonic expression of T helper cell type-2 cytokines and IL-17, associated with a reduced ability to maintain intestinal homeostasis. This defect leads to an enhanced susceptibility to the development of inflammation, colorectal cancer, and glucose intolerance. In conclusion, the phenotype of the Retnlβ null mice unravels new aspects of inflammation-mediated diseases and strengthens the notion that a proper intestinal barrier function is essential to sustain a healthy phenotype.
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17
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Chen HP, Jiang JK, Chan CH, Teo WH, Yang CY, Chen YC, Chou TY, Lin CH, Chan YJ. Genetic polymorphisms of the human cytomegalovirus UL144 gene in colorectal cancer and its association with clinical outcome. J Gen Virol 2016; 96:3613-3623. [PMID: 26450180 DOI: 10.1099/jgv.0.000308] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Human cytomegalovirus (HCMV) has been increasingly detected in colorectal cancer (CRC), and genetic polymorphisms in HCMV affect its pathogenesis. This study aimed to investigate HCMV genetic polymorphisms in CRC and its correlation with the clinical outcomes. We performed PCR and sequencing of a viral immunomodulatory gene, UL144, in clinical isolates and CRC specimens. The nucleotide and amino acid sequences were aligned, and a phylogenetic tree was constructed. The clinical, pathological and survival data were compared among tumours with different UL144 genotypes. HCMV was detected in 49 (47.8 %) of the tumour specimens. Genotype A predominated in 43 samples (22/43; 51.2 %) with successful sequencing, followed by genotype B (13/43; 30.2 %) and genotype C (8/43; 18.6 %). The genotypic distribution was similar to that of the clinical isolates and those reported in other Asian populations. The amino acid sequence of genotype B was the most conserved. For stage II and III CRC patients with HCMV-positive tumours, disease-free survival (DFS) varied among the three major genotypes (P50.0046). The presence of genotype B virus in the tumours was associated with a shorter DFS and independently predicted tumour recurrence in a multivariate Cox proportional hazards model (hazard ratio, 5.79; 95 % confidence interval, 1.30–25.81; P50.021). By reverse transcription PCR, tumour samples with genotype B viruses had the highest rate of UL144 expression. Our results suggest that genetic polymorphisms of HCMV UL144 are associated with clinical outcome in CRC and that HCMV may play an immunomodulatory role in the tumour microenvironment of CRC.
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Affiliation(s)
- Hsin-Pai Chen
- Division of Infectious Diseases, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan.,School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Jeng-Kai Jiang
- School of Medicine, National Yang-Ming University, Taipei, Taiwan.,Division of Colon and Rectal Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Chia-Hao Chan
- Institute of Public Health, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Wan-Huai Teo
- Department of Biotechnology and Laboratory Science in Medicine, School of Biomedical Science and Engineering, National Yang-Ming University, Taipei, Taiwan
| | - Chih-Yung Yang
- Department of Education and Research, Taipei City Hospital, Taipei, Taiwan
| | - Yen-Chung Chen
- Department of Pathology, National Yang-Ming University Hospital, Yilan, Taiwan
| | - Teh-Ying Chou
- Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan.,Division of Molecular Pathology, Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Chi-Hung Lin
- Institute of Microbiology and Immunology, School of Life Science, National Yang-Ming University, Taipei, Taiwan
| | - Yu-Jiun Chan
- Institute of Public Health, School of Medicine, National Yang-Ming University, Taipei, Taiwan.,Division of Microbiology, Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital, Taipei, Taiwan.,Division of Infectious Diseases, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
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18
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Hu J, Wang C, Ye L, Yang W, Huang H, Meng F, Shi S, Ding Z. Anti-tumour immune effect of oral administration of Lactobacillus plantarum to CT26 tumour-bearing mice. J Biosci 2016; 40:269-79. [PMID: 25963256 DOI: 10.1007/s12038-015-9518-4] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Colorectal cancer (CRC) is one of the most prevalent forms of cancer that shows a high mortality and increasing incidence. There are numerous successful treatment options for CRC, including surgery, chemotherapy, radiotherapy and immunotherapy; however, their side effects and limitations are considerable. Probiotics may be an effective strategy for preventing and inhibiting tumour growth through stimulation of host innate and adaptive immunity. We investigated and compared potential anti-tumour immune responses induced by two isolated Lactobacillus strains, Lactobacillus plantarum A and Lactobacillus rhamnosus b, by pre-inoculating mice with lactobacilli for 14 days. Subsequently, subcutaneous and orthotopic intestinal tumours were generated in the pre-inoculated mice using CT26 murine adenocarcinoma cells and were assessed for response against the tumour. Our results indicated that oral administration with L. plantarum inhibited CT26 cell growth in BALB/c mice and prolonged the survival time of tumour-bearing mice compared with mice administered L. rhamnosus. L. plantarum produced protective immunity against the challenge with CT26 cells by increasing the effector functions of CD8+ and natural killer (NK) cell infiltration into tumour tissue, up-regulation of IFN-gamma (but not IL-4 or IL-17) production, and promotion of Th1-type CD4+ T differentiation. Consequently, our results suggest that L. plantarum can enhance the anti-tumour immune response and delay tumour formation.
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Affiliation(s)
- Jingtao Hu
- College of Veterinary Medicine, Key Laboratory for Zoonosis Research, Ministry of Education, Institute of Zoonosis, Jilin University, Changchun 130062, China
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Kim SY, Kim NK, Baik SH, Min BS, Hur H, Lee J, Noh HY, Lee JH, Koo BN. Effects of Postoperative Pain Management on Immune Function After Laparoscopic Resection of Colorectal Cancer: A Randomized Study. Medicine (Baltimore) 2016; 95:e3602. [PMID: 27175664 PMCID: PMC4902506 DOI: 10.1097/md.0000000000003602] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
There has been a rising interest in the possible association between perioperative opioid use and postoperative outcomes in cancer patients. Continuous surgical wound infiltration with local anesthetics is a nonopioid analgesic technique that can be used as a postoperative pain management alternative to opioid-based intravenous patient-controlled analgesia (IV PCA). The aim of this study was to compare the effects of an opioid-based analgesic regimen versus a local anesthetic wound infiltration-based analgesic regimen on immune modulation and short-term cancer recurrence or metastasis in patients undergoing laparoscopic resection of colorectal cancer.Sixty patients undergoing laparoscopic resection of colorectal cancer were randomly assigned to either the opioid group or the ON-Q group. For postoperative analgesia during the first 48 hours, the opioid group (n = 30) received fentanyl via IV PCA, whereas the ON-Q group (n = 30) received continuous wound infiltration of 0.5% ropivacaine with an ON-Q pump and tramadol via IV PCA. Pethidine for the opioid group and ketorolac or propacetamol for the ON-Q group were used as rescue analgesics. Anesthesia was induced and maintained with propofol and remifentanil. The primary outcome was postoperative immune function assessed by natural killer cell cytotoxicity (NKCC) and interleukin-2. Secondary outcomes were postoperative complications, cancer recurrence, or metastasis within 1 year after surgery, and postoperative inflammatory responses measured by white blood cell count, neutrophil percentage, and C-reactive protein. Immune function and inflammatory responses were measured before surgery and 24 and 48 hours after surgery.Fifty-nine patients completed the study. In the circumstance of similar pain control efficacy between the opioid group and the ON-Q group, postoperative NKCC and interleukin-2 levels did not differ between the 2 groups. The incidence of postoperative complications and recurrence or metastasis within 1 year after surgery was comparable between the groups. Postoperative inflammatory responses were also similar between the groups.When compared with ropivacaine wound infiltration-based analgesia, fentanyl-based analgesia did not further decrease NKCC or affect short-term cancer recurrence or metastasis. Thus, a fentanyl-based analgesic regimen and a ropivacaine wound infiltration-based analgesic regimen can both be used for postoperative pain management in laparoscopic resection of colorectal cancer.
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Affiliation(s)
- So Yeon Kim
- From the Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei University College of Medicine (SYK, H-YN, B-NK); Department of Surgery, Division of Colon and Rectal Surgery, Yonsei University College of Medicine (NKK, SHB, BSM, HH); Biostatistics Collaboration Unit, Yonsei University College of Medicine (JL); and Research Center for Silver Science, Institute of Symbiotic Life-TECH, National Leading Research Laboratory of Clinical Nutrigenetics/Nutrigenomics, Department of Food and Nutrition, Brain Korea 21 PLUS Project, College of Human Ecology, Yonsei University (JHL), Seoul, Republic of Korea
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20
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Papa A, Zaccarelli E, Caruso D, Vici P, Benedetti Panici P, Tomao F. Targeting angiogenesis in endometrial cancer - new agents for tailored treatments. Expert Opin Investig Drugs 2015; 25:31-49. [PMID: 26560489 DOI: 10.1517/13543784.2016.1116517] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
INTRODUCTION Endometrial carcinoma represents the most frequent gynecologic tumor in developed countries. The majority of women presents with low-grade tumors but a significant subset of women experience recurrence and do not survive their disease. Patients with stage III/ IV or recurrent endometrial cancer have a poor prognosis. Identification of active and tolerable new targeted agents versus specific molecular targets is a priority objective. Angiogenesis is a complex process that plays a crucial role in the development of many types of cancer and in particular endometrial cancer. AREAS COVERED In this review, the authors highlight the main angiogenetic molecular pathways and the anti-angiogenic agents in Phase II clinical trials for endometrial cancer treatment. The authors focus on reports from recent years on angiogenesis inhibitors used in endometrial cancer, including anti- vascular endothelial growth factor (VEGF) monoclonal antibodies (bevacizumab and aflibercept), mammalian target of rapamycin inhibitors (mTORi) (everolimus, temsirolimus and ridaforolimus), PI3 K inhibitors (BKM120), tyrosine kinase inhibitors (brivanib, sunitinib, dovitinib and nintedanib) and thalidomide. EXPERT OPINION These anti-angiogenic drugs, while used either alone or in combination with chemotherapy, have presented mixed results in treating endometrial cancer patients. Challenges for the future include the identification of new pathways, early identification and overcoming resistance and the use of these molecules in combination with old and new chemotherapeutic and targeted agents.
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Affiliation(s)
- Anselmo Papa
- a Department of Medico-Surgical Sciences and Biotechnologies, "Sapienza" University of Rome, Oncology Unit , Istituto Chirurgico Ortopedico Traumatologico , 04100 Latina , Italy
| | - Eleonora Zaccarelli
- a Department of Medico-Surgical Sciences and Biotechnologies, "Sapienza" University of Rome, Oncology Unit , Istituto Chirurgico Ortopedico Traumatologico , 04100 Latina , Italy
| | - Davide Caruso
- a Department of Medico-Surgical Sciences and Biotechnologies, "Sapienza" University of Rome, Oncology Unit , Istituto Chirurgico Ortopedico Traumatologico , 04100 Latina , Italy
| | - Patrizia Vici
- b Division of Medical Oncology B , Regina Elena National Cancer Institute , 00144 Rome , Italy
| | - Pierluigi Benedetti Panici
- c Department of Gynecological, Obstetrical and Urologic Sciences , "Sapienza" University of Rome , 00186 Rome , Italy
| | - Federica Tomao
- c Department of Gynecological, Obstetrical and Urologic Sciences , "Sapienza" University of Rome , 00186 Rome , Italy
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Chen HP, Jiang JK, Lai PY, Teo WH, Yang CY, Chou TY, Lin CH, Chan YJ. Serological and viraemic status of human cytomegalovirus infection in patients with colorectal cancer is not correlated with viral replication and transcription in tumours. J Gen Virol 2015; 97:152-159. [PMID: 26474568 DOI: 10.1099/jgv.0.000315] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Colorectal cancer (CRC) is amongst the leading causes of cancer-related mortality worldwide. Emerging evidence suggests that human cytomegalovirus (HCMV) exists in the tumour tissue of CRC and is associated with disease outcome. To study whether tumoral HCMV is related to viral reactivation in blood, tumour specimens and pre- and post-operative blood samples from CRC patients were collected prospectively. PCR and quantitative PCR were performed to detect HCMV DNA. HCMV IgG and IgM antibodies were measured using a microparticle enzyme immunoassay. Transcription of a spliced HCMV UL73 gene transcript was analysed by quantitative reverse transcription PCR. HCMV was detected in 42.2% (35/83) of the tumour samples, with a low median viral load (30.08, range 2.33-5704 copies per 500 ng genomic DNA). The vast majority (80/81, 98.8%) of the CRC patients were seropositive for HCMV IgG. HCMV DNA was positive in 11.3% (22/194) of the pre-operative and 8.9% (15/168) of the post-operative blood samples. However, presence of HCMV and its viral load in tumours were not associated with the detection or viral loads in blood samples. About 26.67% (8/30) of the HCMV-positive tumours with available RNA had detectable viral UL73 transcripts, whilst none of the blood samples were positive for viral RNA (P < 0.0001). Therefore, presence of HCMV in tumours does not correlate with the serological or viraemic status of CRC patients. Active viral gene transcription occurred in the tumour but not in the blood of CRC patients. HCMV reactivation in CRC patients is possibly due to virus-cancer interactions in the CRC tumour microenvironment.
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Affiliation(s)
- Hsin-Pai Chen
- Division of Infectious Diseases, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan.,School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Jeng-Kai Jiang
- School of Medicine, National Yang-Ming University, Taipei, Taiwan.,Division of Colon and Rectal Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Pei-Yu Lai
- Institute of Public Health, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Wan-Huai Teo
- Department of Biotechnology and Laboratory Science in Medicine, School of Biomedical Science and Engineering, National Yang-Ming University, Taipei, Taiwan
| | - Chih-Yung Yang
- Department of Education and Research, Taipei City Hospital, Taipei, Taiwan
| | - Teh-Ying Chou
- Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan.,Division of Molecular Pathology, Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Chi-Hung Lin
- Institute of Microbiology and Immunology, School of Life Science, National Yang-Ming University, Taipei, Taiwan
| | - Yu-Jiun Chan
- Division of Microbiology, Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital, Taipei, Taiwan.,Division of Infectious Diseases, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan.,Institute of Public Health, School of Medicine, National Yang-Ming University, Taipei, Taiwan
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Grigore AD, Ben-Jacob E, Farach-Carson MC. Prostate cancer and neuroendocrine differentiation: more neuronal, less endocrine? Front Oncol 2015; 5:37. [PMID: 25785244 PMCID: PMC4347593 DOI: 10.3389/fonc.2015.00037] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Accepted: 02/03/2015] [Indexed: 12/17/2022] Open
Abstract
Neuroendocrine differentiation (NED) marks a structural and functional feature of certain cancers, including prostate cancer (PCa), whereby the malignant tissue contains a significant proportion of cells displaying neuronal, endocrine, or mixed features. NED cells produce, and can secrete, a cocktail of mediators commonly encountered in the nervous system, which may stimulate and coordinate cancer growth. In PCa, NED appears during advanced stages, subsequent to treatment, and accompanies treatment resistance and poor prognosis. However, the term “neuroendocrine” in this context is intrinsically vague. This article seeks to provide a framework on which a unified view of NED might emerge. First, we review the mutually beneficial interplay between PCa and neural structures, mainly supported by cell biology experiments and neurological conditions. Next, we address the correlations between PCa and neural functions, as described in the literature. Based upon the integration of clinical and basic observations, we suggest that it is legitimate to seek for true neural differentiation, or neuromimicry, in cancer progression, most notably in PCa cells exhibiting what is commonly described as NED.
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Affiliation(s)
- Alexandru Dan Grigore
- Department of BioSciences, Rice University , Houston, TX , USA ; Center for Theoretical Biological Physics, Rice University , Houston, TX , USA
| | - Eshel Ben-Jacob
- Center for Theoretical Biological Physics, Rice University , Houston, TX , USA ; Sackler School of Physics and Astronomy, Tel Aviv University , Tel Aviv , Israel ; Sagol School of Neuroscience, Tel Aviv University , Tel Aviv , Israel
| | - Mary C Farach-Carson
- Department of BioSciences, Rice University , Houston, TX , USA ; Center for Theoretical Biological Physics, Rice University , Houston, TX , USA ; Department of Bioengineering, Rice University , Houston, TX , USA
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Abstract
Immunotherapy has usually been considered as an alternative to more traditional modalities. Moreover, it has previously been felt that chemotherapy is inherently immunosuppressive and not suitable for combining with immunotherapy. In this review, the concept of combining different modalities that result in cell death, such as radiotherapy and chemotherapy, with immunotherapy is explored. Tumors actively cause immune suppression which can be reversed by their removal but when this is not possible, enhancing the immune response with nonspecific immune stimulation can enhance the response to other modalities, such as radiotherapy and chemotherapy. Additionally, several chemotherapy agents at low doses selectively inhibit regulatory and suppressor cells.
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Faber J, Uitdehaag MJ, Spaander M, van Steenbergen-Langeveld S, Vos P, Berkhout M, Lamers C, Rümke H, Tilanus H, Siersema P, van Helvoort A, van der Gaast A. Improved body weight and performance status and reduced serum PGE2 levels after nutritional intervention with a specific medical food in newly diagnosed patients with esophageal cancer or adenocarcinoma of the gastro-esophageal junction. J Cachexia Sarcopenia Muscle 2015; 6:32-44. [PMID: 26136410 PMCID: PMC4435095 DOI: 10.1002/jcsm.12009] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Revised: 10/10/2014] [Accepted: 10/27/2014] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND The majority of cancer patients loses weight and becomes malnourished during the course of their disease. Metabolic alterations and reduced immune competence lead to wasting and an increased risk of infectious complications. In the present study, the effect of a nutritionally complete medical food, which is high in protein and leucine and enriched with fish oil and specific oligosaccharides, was investigated on immune function, nutritional status, and inflammation in patients with esophageal cancer and compared with routine care. METHODS In this exploratory double-blind study, 64 newly diagnosed esophageal cancer patients were randomized. All patients received dietary counselling and dietary advice. In the Active group, all patients received the specific medical food for 4 weeks before the start of anticancer therapy. In the routine care control arm, patients with <5% weight loss received a non-caloric placebo product, and patients with weight loss ≥5% received an iso-caloric control product to secure blinding of the study. The required study parameters of body weight and performance status were recorded at baseline and after 4 weeks of nutritional intervention, and patients were asked to complete quality of life questionnaires. In addition, blood samples were taken for the measurement of several immune, nutritional, and safety-parameters. RESULTS No effect of the specific nutritional intervention could be detected on ex vivo stimulations of blood mononuclear cells. By contrast, body weight was significantly increased (P < 0.05) and ECOG performance status was improved after intervention with the specific medical food (P < 0.05). In addition, serum Prostaglandin E2 (PGE2) levels were significantly decreased in the specific medical food group and increased in the control group (P = 0.002). CONCLUSIONS Nutritional intervention with the specific medical food significantly increased body weight and improved performance status compared with routine care in newly diagnosed esophageal cancer patients. This effect was accompanied by significantly reduced serum PGE2 levels.
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Affiliation(s)
- Joyce Faber
- Nutricia Research, Nutricia Advanced Medical Nutrition, Utrecht, The Netherlands.,Department of Pharmacology & Pathophysiology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, The Netherlands
| | - Madeleen J Uitdehaag
- Department of Gastroenterology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Manon Spaander
- Department of Gastroenterology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Sabine van Steenbergen-Langeveld
- Laboratory of Experimental Tumor Immunology, Department of Medical Oncology, Erasmus MC- Cancer Institute, Rotterdam, The Netherlands
| | - Paul Vos
- Nutricia Research, Nutricia Advanced Medical Nutrition, Utrecht, The Netherlands.,Department of Pharmacology & Pathophysiology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, The Netherlands
| | - Marloes Berkhout
- Nutricia Research, Nutricia Advanced Medical Nutrition, Utrecht, The Netherlands
| | - Cor Lamers
- Laboratory of Experimental Tumor Immunology, Department of Medical Oncology, Erasmus MC- Cancer Institute, Rotterdam, The Netherlands
| | - Hans Rümke
- Vaxinostics BV, University Vaccine Center Rotterdam Nijmegen, Rotterdam, The Netherlands
| | - Hugo Tilanus
- Department of Surgery, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Peter Siersema
- Department of Gastroenterology, Erasmus Medical Center, Rotterdam, The Netherlands.,Department of Gastroenterology and Hepatology, University Medical Center, Utrecht, The Netherlands
| | - Ardy van Helvoort
- Nutricia Research, Nutricia Advanced Medical Nutrition, Utrecht, The Netherlands
| | - Ate van der Gaast
- Department of Medical Oncology, Erasmus Medical Center, Rotterdam, The Netherlands
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25
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Mendonça FM, de Sousa FR, Barbosa AL, Martins SC, Araújo RL, Soares R, Abreu C. Metabolic syndrome and risk of cancer: which link? Metabolism 2015; 64:182-9. [PMID: 25456095 DOI: 10.1016/j.metabol.2014.10.008] [Citation(s) in RCA: 117] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Revised: 10/10/2014] [Accepted: 10/11/2014] [Indexed: 12/15/2022]
Abstract
Metabolic syndrome (MS) is characterized by a group of metabolic disturbances which lead to an enhanced risk of cardiovascular diseases and type 2 diabetes mellitus. MS constitutes a preoccupant issue with elevated prevalence in the western countries and is often related with cancer development. Elucidating the mechanisms linking these two pathologies is, therefore, essential to identify potential therapeutic molecular targets for cancer treatment in MS patients. The main goals of this review are, to identify the relation between MS and cancer development, handling specifically each one of the main players on this process: insulin and IGF system, estrogen, pro-inflammatory cytokines and others; and, given that colorectal cancer is one of the most prevalent types of cancer in MS patients, we intend to particularly highlight the mechanisms that promote colorectal cancer development in MS individuals. Finally, we will also focus on the clinical implications of the presented mechanisms on cancer therapy and care.
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Affiliation(s)
- Fernando Miguel Mendonça
- Department of Immunology, Faculty of Medicine of the University of Porto, Alameda Professor Hernâni Monteiro, Porto, 4200-319 Portugal
| | - Filipa Rodrigues de Sousa
- Department of Immunology, Faculty of Medicine of the University of Porto, Alameda Professor Hernâni Monteiro, Porto, 4200-319 Portugal
| | - Ana Luísa Barbosa
- Department of Immunology, Faculty of Medicine of the University of Porto, Alameda Professor Hernâni Monteiro, Porto, 4200-319 Portugal
| | - Sara Costa Martins
- Department of Immunology, Faculty of Medicine of the University of Porto, Alameda Professor Hernâni Monteiro, Porto, 4200-319 Portugal
| | - Raquel Lage Araújo
- Department of Immunology, Faculty of Medicine of the University of Porto, Alameda Professor Hernâni Monteiro, Porto, 4200-319 Portugal
| | - Raquel Soares
- Department of Biochemistry (U38-FCT), Faculty of Medicine of the University of Porto, Alameda Professor Hernâni Monteiro, Porto, 4200-319 Portugal.
| | - Cristina Abreu
- Department of Immunology, Faculty of Medicine of the University of Porto, Alameda Professor Hernâni Monteiro, Porto, 4200-319 Portugal
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26
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Cytokine production suppression by culture supernatant of B16F10 cells and amelioration by Ganoderma lucidum polysaccharides in activated lymphocytes. Cell Tissue Res 2015; 360:379-89. [DOI: 10.1007/s00441-014-2083-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2014] [Accepted: 11/27/2014] [Indexed: 01/09/2023]
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27
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Guo ZY, Lv YG, Wang L, Shi SJ, Yang F, Zheng GX, Wen WH, Yang AG. Predictive value of HLA-G and HLA-E in the prognosis of colorectal cancer patients. Cell Immunol 2015; 293:10-6. [PMID: 25461612 DOI: 10.1016/j.cellimm.2014.10.003] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2014] [Accepted: 10/19/2014] [Indexed: 01/21/2023]
Abstract
HLA-G and HLA-E are non-classical HLA Ib molecules. Recently, increasingly more reports have shown that HLA-G is highly expressed in different malignancies. In this article, we detected the expression levels of HLA-G and HLA-E in primary colorectal cancer patients. Our results showed that 70.6% and 65.7% of the colorectal cancer tissues had positive HLA-G or HLA-E expression, respectively, and that 46.1% positively expressed both molecules. We also analyzed the correlations between the expression levels of HLA-G, HLA-E or both combined and the clinical outcomes of the patients. Kaplan-Meier analysis results showed that the expression levels of HLA-G or HLA-E alone and the combined expression of both molecules were all statistically correlated with the overall survival of colorectal cancer patients. Cox multivariate analysis showed that only HLA-G expression can serve as independent factor for OS. Our results also showed that the expression of HLA-E was significantly correlated with tumor metastasis.
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Affiliation(s)
- Zhang-Yan Guo
- State Key Laboratory of Cancer Biology, Department of Immunology, Fourth Military Medical University, Xi'an 710032, China
| | - Yong-Gang Lv
- Department of Endocrine Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Lei Wang
- State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an 710032, China
| | - Sheng-Jia Shi
- State Key Laboratory of Cancer Biology, Department of Immunology, Fourth Military Medical University, Xi'an 710032, China
| | - Fan Yang
- Department of Neurosurgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Guo-Xu Zheng
- State Key Laboratory of Cancer Biology, Department of Immunology, Fourth Military Medical University, Xi'an 710032, China
| | - Wei-Hong Wen
- State Key Laboratory of Cancer Biology, Department of Immunology, Fourth Military Medical University, Xi'an 710032, China.
| | - An-Gang Yang
- State Key Laboratory of Cancer Biology, Department of Immunology, Fourth Military Medical University, Xi'an 710032, China.
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28
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Tomao F, Papa A, Rossi L, Zaccarelli E, Caruso D, Zoratto F, Benedetti Panici P, Tomao S. Angiogenesis and antiangiogenic agents in cervical cancer. Onco Targets Ther 2014; 7:2237-48. [PMID: 25506227 PMCID: PMC4259513 DOI: 10.2147/ott.s68286] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Standard treatment of cervical cancer (CC) consists of surgery in the early stages and of chemoradiation in locally advanced disease. Metastatic CC has a poor prognosis and is usually treated with palliative platinum-based chemotherapy. Current chemotherapeutic regimens are associated with significant adverse effects and only limited activity, making identification of active and tolerable novel targeted agents a high priority. Angiogenesis is a complex process that plays a crucial role in the development of many types of cancer. The dominant role of angiogenesis in CC seems to be directly related to human papillomavirus-related inhibition of p53 and stabilization of hypoxia-inducible factor-1α. Both of these mechanisms are able to increase expression of vascular endothelial growth factor (VEGF). Activation of VEGF promotes endothelial cell proliferation and migration, favoring formation of new blood vessels and increasing permeability of existing blood vessels. Since bevacizumab, a recombinant humanized monoclonal antibody binding to all isoforms of VEGF, has been demonstrated to significantly improve survival in gynecologic cancer, some recent clinical research has explored the possibility of using novel therapies directed toward inhibition of angiogenesis in CC too. Here we review the main results from studies concerning the use of antiangiogenic drugs that are being investigated for the treatment of CC.
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Affiliation(s)
- Federica Tomao
- Department of Gynecology and Obstetrics, Sapienza University of Rome, Policlinico Umberto I, Rome, Italy
| | - Anselmo Papa
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Oncology Unit, ICOT, Latina, Italy
| | - Luigi Rossi
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Oncology Unit, ICOT, Latina, Italy
| | - Eleonora Zaccarelli
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Oncology Unit, ICOT, Latina, Italy
| | - Davide Caruso
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Oncology Unit, ICOT, Latina, Italy
| | - Federica Zoratto
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Oncology Unit, ICOT, Latina, Italy
| | - Pierluigi Benedetti Panici
- Department of Gynecology and Obstetrics, Sapienza University of Rome, Policlinico Umberto I, Rome, Italy
| | - Silverio Tomao
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Oncology Unit, ICOT, Latina, Italy
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29
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Chen HP, Chan YJ. The oncomodulatory role of human cytomegalovirus in colorectal cancer: implications for clinical trials. Front Oncol 2014; 4:314. [PMID: 25452935 PMCID: PMC4233914 DOI: 10.3389/fonc.2014.00314] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Accepted: 10/21/2014] [Indexed: 12/12/2022] Open
Abstract
Increasing evidence suggests that human cytomegalovirus (HCMV), a beta-herpes virus that chronically infects human beings, is associated with colorectal cancer (CRC). The viral nucleic acids specifically localized to the neoplastic mucosal epithelium of CRC, while tumoral presence of HCMV independently predicted a poor outcome in elderly patients. In the past decade, the concept of “oncomodulation” of HCMV in human cancers has been formulated. In CRC, changes in the tumor microenvironment are closely related to cancer behavior and prognosis, while the underlying mechanism driving these changes remains unclear. As HCMV affects multiple cellular functions, including signal pathways that regulate angiogenesis, apoptosis, cell invasiveness, and anti-cancer immunity, the virus potentially exerts oncomodulatory effects in the tumor microenvironment of CRC. Here, we summarize the current knowledge about the association between HCMV and CRC and suggest future perspectives on both research and anti-cancer therapy of CRC.
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Affiliation(s)
- Hsin-Pai Chen
- Department of Medicine, National Yang-Ming University Hospital , Yilan , Taiwan ; School of Medicine, National Yang-Ming University , Taipei , Taiwan ; Division of Infectious Diseases, Department of Medicine, Taipei Veterans General Hospital , Taipei , Taiwan
| | - Yu-Jiun Chan
- Division of Infectious Diseases, Department of Medicine, Taipei Veterans General Hospital , Taipei , Taiwan ; Institute of Public Health, School of Medicine, National Yang-Ming University , Taipei , Taiwan ; Division of Microbiology, Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital , Taipei , Taiwan
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30
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Sun LX, Lin ZB, Duan XS, Qi HH, Yang N, Li M, Xing EH, Sun Y, Yu M, Li WD, Lu J. Suppression of the Production of Transforming Growth Factor β1, Interleukin-10, and Vascular Endothelial Growth Factor in the B16F10 Cells byGanoderma lucidumPolysaccharides. J Interferon Cytokine Res 2014; 34:667-75. [PMID: 24673200 DOI: 10.1089/jir.2012.0101] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Affiliation(s)
- Li-Xin Sun
- The Affiliated Hospital of Chengde Medical College, Chengde, Hebei Province, China
| | - Zhi-Bin Lin
- Department of Pharmacology, Health Science Center, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Xin-Suo Duan
- The Affiliated Hospital of Chengde Medical College, Chengde, Hebei Province, China
| | - Hai-Hua Qi
- The Affiliated Hospital of Chengde Medical College, Chengde, Hebei Province, China
| | - Ning Yang
- The Affiliated Hospital of Chengde Medical College, Chengde, Hebei Province, China
| | - Min Li
- Department of Pharmacology, Health Science Center, School of Basic Medical Sciences, Peking University, Beijing, China
| | - En-Hong Xing
- The Affiliated Hospital of Chengde Medical College, Chengde, Hebei Province, China
| | - Yu Sun
- The Affiliated Hospital of Chengde Medical College, Chengde, Hebei Province, China
| | - Min Yu
- The Affiliated Hospital of Chengde Medical College, Chengde, Hebei Province, China
| | - Wei-Dong Li
- Department of Pharmacology, Health Science Center, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Jie Lu
- The Affiliated Hospital of Chengde Medical College, Chengde, Hebei Province, China
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31
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Yano H, Thakur A, Tomaszewski EN, Choi M, Deol A, Lum LG. Ipilimumab augments antitumor activity of bispecific antibody-armed T cells. J Transl Med 2014; 12:191. [PMID: 25008236 PMCID: PMC4105782 DOI: 10.1186/1479-5876-12-191] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2013] [Accepted: 06/05/2014] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Ipilimumab is an antagonistic monoclonal antibody against cytotoxic T-lymphocyte antigen-4 (CTLA-4) that enhances antitumor immunity by inhibiting immunosuppressive activity of regulatory T cells (Treg). In this study, we investigated whether inhibiting Treg activity with ipilimumab during ex vivo T cell expansion could augment anti-CD3-driven T cell proliferation and enhance bispecific antibody (BiAb)-redirected antitumor cytotoxicity of activated T cells (ATC). METHODS PBMC from healthy individuals were stimulated with anti-CD3 monoclonal antibody with or without ipilimumab and expanded for 10-14 days. ATC were harvested and armed with anti-CD3 x anti-EGFR BiAb (EGFRBi) or anti-CD3 x anti-CD20 BiAb (CD20Bi) to test for redirected cytotoxicity against COLO356/FG pancreatic cancer cell line or Burkitt's lymphoma cell line (Daudi). RESULTS In PBMC from healthy individuals, the addition of ipilimumab at the initiation of culture significantly enhanced T cell proliferation (p = 0.0029). ATC grown in the presence of ipilimumab showed significantly increased mean tumor-specific cytotoxicity at effector:target (E:T) ratio of 25:1 directed at COLO356/FG and Daudi by 37.71% (p < 0.0004) and 27.5% (p < 0.0004), respectively, and increased the secretion of chemokines (CCL2, CCL3, CCL4,CCL5, CXCL9, and granulocyte-macrophage colony stimulating factor(GM-CSF)) and cytokines (IFN-γ, IL-2R, IL-12, and IL-13), while reducing IL-10 secretion. CONCLUSIONS Expansion of ATC in the presence of ipilimumab significantly improves not only the T cell proliferation but it also enhances cytokine secretion and the specific cytotoxicity of T cells armed with bispecific antibodies.
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Affiliation(s)
- Hiroshi Yano
- Departments of Oncology, Wayne State University and Barbara Ann Karmanos Cancer Institute, 740.1 Hudson Webber Cancer Research Center, 4100 John R., Detroit, MI 48201, USA
| | - Archana Thakur
- Departments of Oncology, Wayne State University and Barbara Ann Karmanos Cancer Institute, 740.1 Hudson Webber Cancer Research Center, 4100 John R., Detroit, MI 48201, USA
| | - Elyse N Tomaszewski
- Departments of Oncology, Wayne State University and Barbara Ann Karmanos Cancer Institute, 740.1 Hudson Webber Cancer Research Center, 4100 John R., Detroit, MI 48201, USA
| | - Minsig Choi
- Departments of Oncology, Wayne State University and Barbara Ann Karmanos Cancer Institute, 740.1 Hudson Webber Cancer Research Center, 4100 John R., Detroit, MI 48201, USA
| | - Abhinav Deol
- Departments of Oncology, Wayne State University and Barbara Ann Karmanos Cancer Institute, 740.1 Hudson Webber Cancer Research Center, 4100 John R., Detroit, MI 48201, USA
| | - Lawrence G Lum
- Departments of Oncology, Wayne State University and Barbara Ann Karmanos Cancer Institute, 740.1 Hudson Webber Cancer Research Center, 4100 John R., Detroit, MI 48201, USA
- Medicine, Wayne State University and Karmanos Cancer Institute, Detroit, MI 48201, USA
- Immunology and Microbiology, Wayne State University and Karmanos Cancer Institute, Detroit, MI 48201, USA
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32
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Wittkopf N, Neurath MF, Becker C. Immune-epithelial crosstalk at the intestinal surface. J Gastroenterol 2014; 49:375-87. [PMID: 24469679 DOI: 10.1007/s00535-013-0929-4] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Accepted: 12/18/2013] [Indexed: 02/04/2023]
Abstract
The intestinal tract is one of the most complex organs of the human body. It has to exercise various functions including food and water absorption, as well as barrier and immune regulation. These functions affect not only the gut itself, but influence the overall health of the organism. Diseases involving the gastrointestinal tract such as inflammatory bowel disease and colorectal cancer therefore severely affect the patient's quality of life and can become life-threatening. Intestinal epithelial cells (IECs) play an important role in intestinal inflammation, infection, and cancer development. IECs not only constitute the first barrier in the gut against the lumen, they also constantly signal information about the gut lumen to immune cells, thereby influencing their behaviour. In contrast, by producing various antimicrobial peptides, IECs shape the microbial community within the gut. IECs also respond to cytokines and other mediators of immune cells in the lamina propria. Interactions between epithelial cells and immune cells in the intestine are responsible for gut homeostasis, and modulations of this crosstalk have been reported in studies of gut diseases. This review discusses the wide field of immune-epithelial interactions and shows the importance of immune-epithelial crosstalk in the intestine to gut homeostasis and the overall health status.
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Affiliation(s)
- Nadine Wittkopf
- Department of Medicine 1, Friedrich-Alexander-University, 91052, Erlangen, Germany,
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33
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Kvarnström A, Swartling T, Kurlberg G, Bengtson JP, Bengtsson A. Pro-inflammatory Cytokine Release in Rectal Surgery: Comparison Between Laparoscopic and Open Surgical Techniques. Arch Immunol Ther Exp (Warsz) 2013; 61:407-11. [DOI: 10.1007/s00005-013-0239-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2012] [Accepted: 07/23/2013] [Indexed: 10/26/2022]
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NK-cell-dependent killing of colon carcinoma cells is mediated by natural cytotoxicity receptors (NCRs) and stimulated by parvovirus infection of target cells. BMC Cancer 2013; 13:367. [PMID: 23902851 PMCID: PMC3733944 DOI: 10.1186/1471-2407-13-367] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2012] [Accepted: 07/29/2013] [Indexed: 12/30/2022] Open
Abstract
Background Investigating how the immune system functions during malignancies is crucial to developing novel therapeutic strategies. Natural killer (NK) cells, an important component of the innate immune system, play a vital role in immune defense against tumors and virus-infected cells. The poor survival rate in colon cancer makes it particularly important to develop novel therapeutic strategies. Oncolytic viruses, in addition to lysing tumor cells, may have the potential to augment antitumor immune responses. In the present study, we investigate the role of NK cells and how parvovirus H-1PV can modulate NK-cell mediated immune responses against colon carcinoma. Methods Human NK cells were isolated from the blood of healthy donors. The cytotoxicity and antibody-mediated inhibition of NK cells were measured in chromium release assays. Phenotypic assessment of colon cancer and dendritic cells was done by FACS. The statistical significance of the results was calculated with Student’s t test (*p <0.05; **, p < 0.01; ***, p < 0.001). Results We show that IL-2-activated human NK cells can effectively kill colon carcinoma cells. Killing of colon carcinoma cells by NK cells was further enhanced upon infection of the former cells with parvovirus H-1PV. H-1PV has potent oncolytic activity against various tumors, yet its direct killing effect on colon carcinoma cells is limited. The cytotoxicity of NK cells towards colon carcinoma cells, both mock- and H-1PV-infected, was found to be mostly mediated by a combination of natural cytotoxicity receptors (NCRs), namely NKp30, 44, and 46. Colon carcinoma cells displayed low to moderate expression of NK cell ligands, and this expression was modulated upon H-1PV infection. Lysates of H-1PV-infected colon carcinoma cells were found to increase MHC class II expression on dendritic cells. Conclusions Altogether, these data suggest that IL-2-activated NK cells actively kill colon carcinoma cells and that this killing is mediated by several natural cytotoxicity receptors (NCRs) in combination. Additionally, in association with parvovirus H-1PV, IL-2-activated NK cells have the potential to boost immune responses against colon cancer.
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35
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Faber J, Berkhout M, Fiedler U, Avlar M, Witteman B, Vos A, Henke M, Garssen J, van Helvoort A, Otten M, Arends J. Rapid EPA and DHA incorporation and reduced PGE2 levels after one week intervention with a medical food in cancer patients receiving radiotherapy, a randomized trial. Clin Nutr 2013; 32:338-45. [DOI: 10.1016/j.clnu.2012.09.009] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2012] [Revised: 06/14/2012] [Accepted: 09/19/2012] [Indexed: 02/03/2023]
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Effects of long-term oral administration of arachidonic acid and docosahexaenoic acid on the immune functions of young rats. Nutrients 2013; 5:1949-61. [PMID: 23760060 PMCID: PMC3725485 DOI: 10.3390/nu5061949] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2013] [Revised: 05/08/2013] [Accepted: 05/20/2013] [Indexed: 02/06/2023] Open
Abstract
Natural killer (NK) cells have many functional activities, including cytotoxicity and the capacity to produce cytokines and chemokines. NK cell activity is regulated partly by eicosanoids, which are produced from arachidonic acid (ARA) and eicosapentaenoic (EPA) acid. In this study, we investigated the effects of long-term therapy with ARA or docosahexaenoic acid (DHA) on the cytotoxic effects of the NK cells of young rats, which were fed on a nonfish oil diet for two generations. Control oil, ARA (240 mg/kg BW/day) or DHA (240 mg/kg BW/day) were orally administrated to the rats for 13 weeks before determining the cytotoxic activity of NK cells from the spleen against YAC-1 mouse lymphoma cell line, as well as the plasma levels of docosanoids or eicosanoids and inflammatory cytokines. Long-term ARA administration significantly suppressed the cytotoxic activity of NK cells. Moreover, ARA administration significantly increased the plasma levels of ARA, prostaglandin (PG) E2, and PGD2. However, DHA administration did not produce any different effects compared with those in the control rats. Furthermore, the inflammatory cytokine levels were not affected by the administration of ARA or DHA. These results suggest that long-term ARA administration has an inhibitory effect on the tumor cytotoxicity of NK cells in rat spleen lymphocytes owing to the enhanced synthesis of PGE2 and PGD2 from ARA because of the elevated plasma ARA levels in young rats.
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Isambert N, Fumoleau P, Paul C, Ferrand C, Zanetta S, Bauer J, Ragot K, Lizard G, Jeannin JF, Bardou M. Phase I study of OM-174, a lipid A analogue, with assessment of immunological response, in patients with refractory solid tumors. BMC Cancer 2013; 13:172. [PMID: 23547558 PMCID: PMC3626800 DOI: 10.1186/1471-2407-13-172] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2012] [Accepted: 03/19/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Lipids A, the lipophilic partial structure of lipopolysaccharides, induce regression of several tumor types in animal models. Rather than exerting direct cytotoxic effect, these compounds trigger the immune system which in turn stimulates secretion of cytokines, and activates the inducible nitric oxide synthase, as well as immune cell infiltration of tumors. OM-174 is an analogue of lipid A with dual action on Toll-like receptors 2 and 4. In an experimental model of peritoneal carcinomatosis induced in BDIX rats by intraperitoneal injection of syngeneic PROb colon cancer cells, it induced a complete regression of tumors. The present phase I trial was conducted to determine the maximum tolerated dose, the recommended phase II dose and biological response associated with OM-174 administered as intravenous infusion. METHODS Patients received OM-174 twice weekly for a total of 5, 10 or 15 injections of either 600, 800 or 1000 μg/m(2). Blood samples for pharmacokinetic analysis and cytokine dosages were collected. NK cells activity and Toll-like receptors 4 polymorphism analysis were also performed. RESULTS Seventeen patients were included. The highest dose administered was 1000 μg/m(2) repeated in 15 injections. The most common toxicities were a chills, fever, nausea/vomiting, diarrhea, fatigue and headache. No patient experienced haematological side effects. As no dose limiting toxicity was observed, despite a grade 3 respiratory complication, the maximal tolerated dose and recommended dose were not established. Three patients exhibited disease stabilization with a mean duration of 4 months. Pharmacokinetic profile of OM-174 was characterized by a low distribution volume and clearance. Analysis of TLR 4 polymorphysm showed that most (16/17) patients carried the wild type alleles. A progressive increase in NK cell number and activity was observed only in patients receiving 1000 μg/m(2) of OM-174. A peak of IL-8 and IL-10 concentrations were observed after each OM-174 injection. Peaks of TNF-alpha and IL-6 concentrations were detected after the first infusion and decreased progressively suggesting tolerance. CONCLUSION OM-174 therapy was well tolerated at biologically active concentrations. Whereas the recommended dose was not determined, further studies are planned in combination with chemotherapy as animal models suggest a strong synergistic antitumor effect. TRIAL REGISTRATION NCT01800812 (ClinicalTrials.gov Identifier).
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Affiliation(s)
- Nicolas Isambert
- INSERM CIC-P803, CHU de Dijon, Batiment du Pr Marion, 14 rue Gaffarel, BP77908, 21079, Dijon Cedex, France.
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Wang H, Chan YL, Li TL, Bauer BA, Hsia S, Wang CH, Huang JS, Wang HM, Yeh KY, Huang TH, Wu GJ, Wu CJ. Reduction of splenic immunosuppressive cells and enhancement of anti-tumor immunity by synergy of fish oil and selenium yeast. PLoS One 2013; 8:e52912. [PMID: 23349693 PMCID: PMC3551929 DOI: 10.1371/journal.pone.0052912] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2012] [Accepted: 11/21/2012] [Indexed: 01/21/2023] Open
Abstract
Growing evidence has shown that regulatory T cells (Tregs) and myeloid-derived suppressor cells (MDSCs) abnormally increase in cancer cachectic patients. Suppressions of Tregs and MDSCs may enhance anti-tumor immunity for cancer patients. Fish oil and selenium have been known to have many biological activities such as anti-inflammation and anti-oxidation. Whether fish oil and/or selenium have an additional effect on population of immunosuppressive cells in tumor-bearing hosts remained elusive and controversial. To gain insights into their roles on anti-tumor immunity, we studied the fish oil- and/or selenium-mediated tumor suppression and immunity on lung carcinoma, whereof cachexia develops. Advancement of cachexia in a murine lung cancer model manifested with such indicative symptoms as weight loss, chronic inflammation and disturbed immune functionality. The elevation of Tregs and MDSCs in spleens of tumor-bearing mice was positively correlated with tumor burdens. Consumption of either fish oil or selenium had little or no effect on the levels of Tregs and MDSCs. However, consumption of both fish oil and selenium together presented a synergistic effect-The population of Tregs and MDSCs decreased as opposed to increase of anti-tumor immunity when both fish oil and selenium were supplemented simultaneously, whereby losses of body weight and muscle/fat mass were alleviated significantly.
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Affiliation(s)
- Hang Wang
- Department of Food Science and Center of Excellence for Marine Bioenvironment and Biotechnology, National Taiwan Ocean University, Keelung, Taiwan
| | - Yi-Lin Chan
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Tsung-Lin Li
- Genomics Research Center, Academia Sinica, Taipei, Taiwan
| | - Brent A. Bauer
- Division of General Internal Medicine, Mayo Clinic, Rochester, Minnesota, United States of America
| | - Simon Hsia
- Institute of Biomedical Nutrition, Hung Kuang University, Taichung, Taiwan
| | - Cheng-Hsu Wang
- Division of Hemato-Oncology, Department of Internal Medicine, Chang Gung Memorial Hospital, Keelung, and College of Medicine, Chang Gung University, Kaohsiung, Taiwan
| | - Jen-Seng Huang
- Division of Hemato-Oncology, Department of Internal Medicine, Chang Gung Memorial Hospital, Keelung, and College of Medicine, Chang Gung University, Kaohsiung, Taiwan
| | - Hung-Ming Wang
- Division of Hemato-Oncology, Department of Internal Medicine, Chang Gung Memorial Hospital, Kweishan, and College of Medicine, Chang Gung University, Kaohsiung, Taiwan
| | - Kun-Yun Yeh
- Division of Hemato-Oncology, Department of Internal Medicine, Chang Gung Memorial Hospital, Keelung, and College of Medicine, Chang Gung University, Kaohsiung, Taiwan
| | - Tse-Hung Huang
- Department of Traditional Chinese Medicine, Chang Gung Memorial Hospital, Kweishan, and Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Kaohsiung, Taiwan
| | - Gwo-Jang Wu
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Chang-Jer Wu
- Department of Food Science and Center of Excellence for Marine Bioenvironment and Biotechnology, National Taiwan Ocean University, Keelung, Taiwan
- * E-mail:
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Angiogenesis: A promising therapeutic target for ovarian cancer. Crit Rev Oncol Hematol 2012; 84:314-26. [DOI: 10.1016/j.critrevonc.2012.04.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2012] [Revised: 03/31/2012] [Accepted: 04/10/2012] [Indexed: 12/16/2022] Open
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Wang H, Chan YL, Li TL, Wu CJ. Improving cachectic symptoms and immune strength of tumour-bearing mice in chemotherapy by a combination of Scutellaria baicalensis and Qing-Shu-Yi-Qi-Tang. Eur J Cancer 2012; 48:1074-84. [DOI: 10.1016/j.ejca.2011.06.048] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2011] [Revised: 05/25/2011] [Accepted: 06/20/2011] [Indexed: 01/22/2023]
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Rosa DD, Lourenço FC, da Fonseca ACM, de Sales RL, Ribeiro SMR, Neves CA, Peluzio MDCG. Fish oil improves the lipid profile and reduces inflammatory cytokines in Wistar rats with precancerous colon lesions. Nutr Cancer 2012; 64:569-79. [PMID: 22483364 DOI: 10.1080/01635581.2012.665563] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
A fatty diet is regarded as one of the most important risk factors related to the etiology of colorectal cancer, and this effect is linked to the quantity and principal types of fatty acids consumed. In this study, the chemopreventive effects of different oils on rats were investigated. Forty Wistar rats received 1,2-dimetilhidrazine (DMH) and were divided into 4 groups fed normal lipid diets to which 4% olive, fish, flaxseed, or soybean oils (control) were added. The group fed with fish oil presented higher levels of eicosapentaenoic acid (EPA) and docosahexaenoic acid in hepatic tissue and greater levels of linolenic acid and EPA in adipose tissue compared to the other treatments. In the proximal portion of the colon, lower levels of aberrant crypt foci were found in the fish and flaxseed oil groups; however, this behavior was not observed in the middle and distal regions. Via a benchmarking method, the fish oil group showed a greater transforming growth factor β expression and lower interleukin-8 expression in relation to the other treatments. Fish oil in a normal lipid diet demonstrated a limited protective effect on the colonic precancerous mucosa in carcinogen-treated rodents, whereas it had a beneficial effect on inflammatory modulation.
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Affiliation(s)
- Damiana Diniz Rosa
- Department of Nutrition and Health, Federal University of Viçosa, Viçosa, Brazil
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Cui G, Shi Y, Cui J, Tang F, Florholmen J. Immune microenvironmental shift along human colorectal adenoma-carcinoma sequence: is it relevant to tumor development, biomarkers and biotherapeutic targets? Scand J Gastroenterol 2012; 47:367-77. [PMID: 22229663 DOI: 10.3109/00365521.2011.648950] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Human colorectal carcinoma (CRC) is one of the leading cancers. Every year, the WHO estimates a total of 945,000 new CRC cases, with 492,000 deaths worldwide. Most CRCs arise from the main premalignant lesion, colorectal adenomas, and the progression of colorectal adenoma to CRCs may take a long-term time course. The development of human CRCs is not only determined by the adenomatous cells, but also by the interaction between adenomatous cells and host immune environment. In response to tumor initiation or invasion, many inflammatory cells and components will be inevitably activated and form an inflammatory microenvironment surrounding the CRC tumors. Accumulative evidence has revealed that inflammatory response plays a key role in the development of human CRCs by implicating in many aspects including in determining the microenvironmental immune function shift from immunosurveillance to immunosuppression and significantly influences the progression of precancerous lesions to cancers. In this review, the functional changes of immune microenvironment from precancerous stage (adenoma) to cancer stage are summarized, and their potential as predictive biomarkers and biotherapeutic significance in preventing the development of CRCs are discussed.
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Affiliation(s)
- Guanglin Cui
- Department of Gastroenterology, the Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
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43
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Bukur J, Jasinski S, Seliger B. The role of classical and non-classical HLA class I antigens in human tumors. Semin Cancer Biol 2012; 22:350-8. [PMID: 22465194 DOI: 10.1016/j.semcancer.2012.03.003] [Citation(s) in RCA: 130] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2012] [Accepted: 03/15/2012] [Indexed: 12/21/2022]
Abstract
In human tumors alterations in the surface expression and/or function of the major histocompatibility complex (MHC) class I antigens are frequently found and equip neoplastic cells with mechanisms to escape immune control. The aberrant expression of HLA class I molecules can be caused by structural alterations or dysregulations of genes encoding the classical HLA class I antigens and/or components of the HLA class I antigen processing machinery (APM). The dysregulation of APM components could occur at the epigenetic, transcriptional or post-transcriptional level. In some malignancies these abnormalities are significantly associated with a higher tumor staging, grading, disease progression and a reduced survival of patients as well as a failure to CD8(+) T cell-based immunotherapies. In addition to HLA class I abnormalities, expression of the non-classical HLA-G antigen is often induced in tumors, which could be mediated by various microenvironmental factors. Interestingly, soluble HLA-G serum and plasma levels have been useful markers for the prediction of some malignancies. The biological consequence of HLA-G expression or sHLA-G is an escape from T and NK cell-mediated recognition. Thus, alterations of non-classical and classical HLA class I antigens and components of the antigen processing pathway provide tumor cells with different mechanisms to inactivate immune responses resulting in tumor growth and evasion from host immune surveillance.
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Affiliation(s)
- Juergen Bukur
- Martin-Luther-University Halle-Wittenberg, Institute of Medical Immunology, Halle (Saale), Germany
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Faber J, van Limpt K, Kegler D, Luiking Y, Garssen J, van Helvoort A, Vos AP, Knol J. Bacterial translocation is reduced by a specific nutritional combination in mice with chemotherapy-induced neutropenia. J Nutr 2011; 141:1292-8. [PMID: 21562235 DOI: 10.3945/jn.110.136986] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Immune function is compromised in many cancer patients, leading to an increased risk of (infectious) complications. Chemotherapy-induced neutropenia is a common cause of treatment-induced immune suppression. In the present study, the effect of a specific nutritional combination (SNC) on bacterial translocation was studied in a model of chemotherapy-induced neutropenia in C3H/HeN mice colonized with Pseudomonas aeruginosa PAO-1. Dietary intervention started after stable colonization with P. aeruginosa to compare the SNC containing high protein, l-leucine, fish oil, and specific oligosaccharides to an isoenergetic control diet. After 3 wk, the mice were treated with cyclophosphamide to induce neutropenia. This rendered the mice susceptible to Pseudomonas translocation, which was quantified 5 d later. Intervention with the SNC resulted in a reduced incidence and intensity of bacterial translocation to the liver (P < 0.05) and a similar trend in the lungs (P ≤ 0.057). In addition, the SNC reduced the fecal pH (P < 0.05) and decreased P. aeruginosa counts in fecal samples (P < 0.05). Moreover, plasma concentrations of proinflammatory cytokines were correlated with the reduced bacterial translocation to the liver (ρ > 0.78; P < 0.001). In conclusion, dietary intervention with the SNC significantly reduced the incidence and severity of P. aeruginosa translocation in a mouse model of chemotherapy-induced immune suppression. Several mechanisms might have played a role, including the modulation of the intestinal microbiota, an improved gut barrier function, immune function, and a reduced inflammatory state. These results suggest an opportunity to develop new applications in cancer patients, with the aim to reduce infectious and other complications.
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Affiliation(s)
- Joyce Faber
- Nutricia Advanced Medical Nutrition, Danone Research, Centre for Specialised Nutrition, Wageningen, The Netherlands 6704 PH.
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Zhao S, Yang X, Lu N, Zhang Y, Li X, Li Y, Zhou Y, Wan F, Zou X. The amount of surface HLA-I on T lymphocytes decreases in breast infiltrating ductal carcinoma patients. J Int Med Res 2011; 39:508-13. [PMID: 21672354 DOI: 10.1177/147323001103900218] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Human leucocyte antigen class I (HLA-I), which includes HLA-A, -B and -C, is an essential immune factor participating in the antitumour immune response. The changes in HLA-I expression in peripheral blood T lymphocytes in cancer patients have yet to be defined. This study examined the expression of HLA-I on CD4(+) and CD8(+) T lymphocytes in female patients with stage I - IV breast infiltrating ductal carcinoma, benign breast tumour diseases (mammary intraductal papilloma or breast fibroadenoma), and in healthy controls. HLA-I was down-regulated on CD4(+) T lymphocytes from patients with stage III and IV cancer, and on CD8(+) T lymphocytes in patients with stage I - IV cancer compared with healthy controls. HLA-I expression in T lymphocytes may contribute towards immune-balance disorders in tumour patients.
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Affiliation(s)
- S Zhao
- Department of Clinical Laboratory Medicine, Qilu Hospital, Shandong University, Jinan, China
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Sun LX, Lin ZB, Duan XS, Lu J, Ge ZH, Li XJ, Li M, Xing EH, Jia J, Lan TF, Li WD. Ganoderma lucidum polysaccharides antagonize the suppression on lymphocytes induced by culture supernatants of B16F10 melanoma cells. J Pharm Pharmacol 2011; 63:725-35. [PMID: 21492175 DOI: 10.1111/j.2042-7158.2011.01266.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Abstract
Objectives
Tumour cells produce factors such as interleukin 10 (IL-10), transforming growth factor β1 (TGF-β1) and vascular endothelial growth factor (VEGF) that suppress the function of immune cells or induce apoptosis of immune cells. One of the most important goals of tumour immunotherapy is to antagonize this suppression on immune cells. Ganoderma lucidum polysaccharides (Gl-PS) may have this potential. The purpose of this study was to determine the antagonistic effects of Gl-PS on the suppression induced by B16F10 melanoma cell culture supernatant (B16F10-CS) on lymphocytes.
Methods
Gl-PS was used on lymphocytes incubated with B16F10-CS. Enzyme-linked immunosorbent assay was used to determine the levels of IL-10, TGF-β1 and VEGF in B16F10-CS. The MTT assay was used to determine the proliferation of lymphocytes. Immunocytochemistry and Western blot assay were used to determine perforin and granzyme B production in lymphocytes.
Key findings
There were elevated levels of IL-10, TGF-β1 and VEGF in B16F10-CS. The lymphocyte proliferation, and perforin and granzyme B production in lymphocytes after induction with phytohemagglutinin, as well as lymphocyte proliferation in the mixed lymphocyte reaction, were suppressed by B16F10-CS. This suppression was fully or partially antagonized by Gl-PS.
Conclusions
B16F10-CS suppressed lymphocyte proliferation and perforin and granzyme B production in lymphocytes after induction with phytohemagglutinin, as well as lymphocyte proliferation in the mixed lymphocyte reaction. This suppression may be associated with elevated levels of immunosuppressive IL-10, TGF-β1 and VEGF in B16F10-CS. Gl-PS had antagonistic effects on the immunosuppression induced by B16F10-CS, suggesting the potential for Gl-PS in cancer immunotherapy.
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Affiliation(s)
- Li-Xin Sun
- Department of Pharmacology, Peking University Health Science Center, School of Basic Medical Sciences, Beijing, China
- Affiliated Hospital of Chengde Medical College, Chengde, Hebei Province, China
| | - Zhi-Bin Lin
- Department of Pharmacology, Peking University Health Science Center, School of Basic Medical Sciences, Beijing, China
| | - Xin-Suo Duan
- Affiliated Hospital of Chengde Medical College, Chengde, Hebei Province, China
| | - Jie Lu
- Affiliated Hospital of Chengde Medical College, Chengde, Hebei Province, China
| | - Zhi-Hua Ge
- Affiliated Hospital of Chengde Medical College, Chengde, Hebei Province, China
| | - Xue-Jun Li
- Department of Pharmacology, Peking University Health Science Center, School of Basic Medical Sciences, Beijing, China
| | - Min Li
- Department of Pharmacology, Peking University Health Science Center, School of Basic Medical Sciences, Beijing, China
| | - En-Hong Xing
- Affiliated Hospital of Chengde Medical College, Chengde, Hebei Province, China
| | - Jing Jia
- Affiliated Hospital of Chengde Medical College, Chengde, Hebei Province, China
| | - Tian-Fei Lan
- Affiliated Hospital of Chengde Medical College, Chengde, Hebei Province, China
| | - Wei-Dong Li
- Department of Pharmacology, Peking University Health Science Center, School of Basic Medical Sciences, Beijing, China
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Gavalas NG, Karadimou A, Dimopoulos MA, Bamias A. Immune response in ovarian cancer: how is the immune system involved in prognosis and therapy: potential for treatment utilization. Clin Dev Immunol 2011; 2010:791603. [PMID: 21318181 PMCID: PMC3034919 DOI: 10.1155/2010/791603] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2010] [Accepted: 12/17/2010] [Indexed: 12/03/2022]
Abstract
Ovarian cancer is one of the leading causes of cancer-related death among women. Resistance to the disease occurs in more than 70% of the cases even after treated with chemotherapy agents such as paclitaxel- and platinum-based agents. The immune system is increasingly becoming a target for intense research in order to study the host's immune response against ovarian cancer. T cell populations, including NK T cells and Tregs, and cytokines have been associated with disease outcome, indicating their increasing clinical significance, having been associated with prognosis and as markers of disease progress, respectively. Harnessing the immune system capacity in order to induce antitumor response remains a major challenge. This paper examines the recent developments in our understanding of the mechanisms of development of the immune response in ovarian cancer as well as its prognostic significance and the existing experience in clinical studies.
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Affiliation(s)
- Nikos G. Gavalas
- Department of Clinical Therapeutics, Medical School, University of Athens, Alexandra Hospital, 80 Vasilissis Sofias Avenue, 115 28 Athens, Greece
| | - Alexandra Karadimou
- Department of Clinical Therapeutics, Medical School, University of Athens, Alexandra Hospital, 80 Vasilissis Sofias Avenue, 115 28 Athens, Greece
| | - Meletios A. Dimopoulos
- Department of Clinical Therapeutics, Medical School, University of Athens, Alexandra Hospital, 80 Vasilissis Sofias Avenue, 115 28 Athens, Greece
| | - Aristotelis Bamias
- Department of Clinical Therapeutics, Medical School, University of Athens, Alexandra Hospital, 80 Vasilissis Sofias Avenue, 115 28 Athens, Greece
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Predictive value of POSSUM and ACPGBI scoring in mortality and morbidity of colorectal resection: a case-control study. J Gastrointest Surg 2011; 15:294-303. [PMID: 20936370 PMCID: PMC3035786 DOI: 10.1007/s11605-010-1354-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2010] [Accepted: 09/17/2010] [Indexed: 02/08/2023]
Abstract
BACKGROUND Preoperative risk prediction to assess mortality and morbidity may be helpful to surgical decision making. The aim of this study was to compare mortality and morbidity of colorectal resections performed in a tertiary referral center with mortality and morbidity as predicted with physiological and operative score for enumeration of mortality and morbidity (POSSUM), Portsmouth POSSUM (P-POSSUM), and colorectal POSSUM (CR-POSSUM). The second aim of this study was to analyze the accuracy of different POSSUM scores in surgery performed for malignancy, inflammatory bowel diseases, and diverticulitis. POSSUM scoring was also evaluated in colorectal resection in acute vs. elective setting. In procedures performed for malignancy, the Association of Coloproctology of Great Britain and Ireland (ACPGBI) score was assessed in the same way for comparison. METHODS POSSUM, P-POSSUM, and CR-POSSUM predictor equations for mortality were applied in a retrospective case-control study to 734 patients who had undergone colorectal resection. The total group was assessed first. Second, the predictive value of outcome after surgery was assessed for malignancy (n = 386), inflammatory bowel diseases (n = 113), diverticulitis (n = 91), and other indications, e.g., trauma, endometriosis, volvulus, or ischemia (n = 144). Third, all subgroups were assessed in relation to the setting in which surgery was performed: acute or elective. In patients with malignancy, the ACPGBI score was calculated as well. In all groups, receiver operating characteristic (ROC) curves were constructed. RESULTS POSSUM, P-POSSUM, and CR-POSSUM have a significant predictive value for outcome after colorectal surgery. Within the total population as well as in all four subgroups, there is no difference in the area under the curve between the POSSUM, P-POSSUM, and CR-POSSUM scores. In the subgroup analysis, smallest areas under the ROC curve are seen in operations performed for malignancy, which is significantly worse than for diverticulitis and in operations performed for other indications. For elective procedures, P-POSSUM and CR-POSSUM predict outcome significantly worse in patients operated for carcinoma than in patients with diverticulitis. In acute surgical interventions, CR-POSSUM predicts mortality better in diverticulitis than in patients operated for other indications. The ACPGBI score has a larger area under the curve than any of the POSSUM scores. Morbidity as predicted by POSSUM is most accurate in procedures for diverticulitis and worst when the indication is malignancy. CONCLUSION The POSSUM scores predict outcome significantly better than can be expected by chance alone. Regarding the indication for surgery, each POSSUM score predicts outcome in patients operated for diverticulitis or other indications more accurately than for malignancy. The ACPGBI score is found to be superior to the various POSSUM scores in patients who have (elective) resection of colorectal malignancy.
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Deschoolmeester V, Baay M, Specenier P, Lardon F, Vermorken JB. A review of the most promising biomarkers in colorectal cancer: one step closer to targeted therapy. Oncologist 2010; 15:699-731. [PMID: 20584808 PMCID: PMC3228001 DOI: 10.1634/theoncologist.2010-0025] [Citation(s) in RCA: 116] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2010] [Accepted: 05/01/2010] [Indexed: 02/06/2023] Open
Abstract
Rapidly growing insights into the molecular biology of colorectal cancer (CRC) and recent developments in gene sequencing and molecular diagnostics have led to high expectations for the identification of molecular markers to be used in optimized and tailored treatment regimens. However, many of the published data on molecular biomarkers are contradictory in their findings and the current reality is that no molecular marker, other than the KRAS gene in the case of epidermal growth factor receptor (EGFR)- targeted therapy for metastatic disease, has made it into clinical practice. Many markers investigated suffer from technical shortcomings, resulting from lack of quantitative techniques to capture the impact of the molecular alteration. This understanding has recently led to the more comprehensive approaches of global gene expression profiling or genome-wide analysis to determine prognostic and predictive signatures in tumors. In this review, an update of the most recent data on promising biological prognostic and/or predictive markers, including microsatellite instability, epidermal growth factor receptor, KRAS, BRAF, CpG island methylator phenotype, cytotoxic T lymphocytes, forkhead box P3-positive T cells, receptor for hyaluronic acid-mediated motility, phosphatase and tensin homolog, and T-cell originated protein kinase, in patients with CRC is provided.
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Affiliation(s)
- Vanessa Deschoolmeester
- Laboratory of Cancer Research and Clinical Oncology, Department of Medical Oncology, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium.
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Deschoolmeester V, Baay M, Van Marck E, Weyler J, Vermeulen P, Lardon F, Vermorken JB. Tumor infiltrating lymphocytes: an intriguing player in the survival of colorectal cancer patients. BMC Immunol 2010; 11:19. [PMID: 20385003 PMCID: PMC2864219 DOI: 10.1186/1471-2172-11-19] [Citation(s) in RCA: 167] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2009] [Accepted: 04/12/2010] [Indexed: 02/08/2023] Open
Abstract
Background There is growing evidence that both local and systemic inflammatory responses play an important role in the progression of a variety of solid tumors. Colorectal cancer results from the cumulative effect of sequential genetic alterations, leading to the expression of tumor associated antigens possibly inducing a cellular anti-tumor immune response. It is well recognized that cytotoxic lymphocytes constitute one of the most important effector mechanisms of anti-tumor-immunity. However, their potential prognostic influence in colorectal cancer remains controversial. Aim of the study was to examine infiltration of CD3+ and CD8+ lymphocytes in colorectal cancer and their prognostic potential. Two-hundred-fifteen colorectal cancer cases, previously analyzed for microsatellite instability (MSI), were selected for immunohistochemical detection of CD3+, CD8+ infiltration and the expression of granzyme B. Prognostic relevance was assessed by survival analysis. Results Strong correlations were found between the infiltration of lymphocytes and several clinicopathological variables. Survival analysis revealed that intra-epithelial infiltration of CD3+ and CD8+ T lymphocytes and stromal infiltration of CD3+ lymphocytes had a major impact on the patients' overall survival in the univariate analysis, however independent of their association with MSI-status. In addition, it was also demonstrated that there was an important disease specific survival advantage for patients with microsatellite stable (MSS) tumors containing intraepithelial CD8+ tumor infiltrating lymphocytes. When samples were analyzed for colon cancer and rectal cancer separately, the results of the overall population were confirmed in colon cancer only. When entered into a multiple Cox regression analysis adjusting for other possible important confounding factors, the strong impact of lymphocyte infiltration on overall survival was not maintained. Only early stage and young age (borderline significant for overall population only) were associated with a better overall survival (early disease with disease-free survival also). Conclusions In conclusion our results suggest a role for infiltrating CD3+ and CD8+ T lymphocytes in colorectal cancer whereby tumor infiltration could reflect a general principle of antitumor immunity, irrespective of the MSI-status.
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Affiliation(s)
- Vanessa Deschoolmeester
- Laboratory of Cancer Research and Clinical Oncology, Department of Medical Oncology, University of Antwerp (UA/UZA), Wilrijk, Belgium.
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