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Larsen K, Petrovski G, Boix-Lemonche G. Alternative cryoprotective agent for corneal stroma-derived mesenchymal stromal cells for clinical applications. Sci Rep 2024; 14:15788. [PMID: 38982099 PMCID: PMC11233711 DOI: 10.1038/s41598-024-65469-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 06/20/2024] [Indexed: 07/11/2024] Open
Abstract
Cryopreservation of human corneal stroma-derived mesenchymal stromal cells (hCS-MSCs) with dimethylsulfoxide (DMSO) as a cryoprotective agent (CPA) has not been previously compared to that with glycerol under standard conditions. The hCS-MSCs were hereby cryopreserved with both compounds using a freezing rate of 1 °C/minute. The CPAs were tested by different concentrations in complete Minimum Essential Medium (MEM) approved for good manufacturing practice, and a medium frequently used in cell laboratory culturing-Dulbecco's modified eagle serum. The hCS-MSCs were isolated from cadaveric human corneas obtained from the Norwegian Eye Bank, and immunophenotypically characterized by flow cytometry before and after cryopreservation. The survival rate, the cellular adhesion, proliferation and cell surface coverage after cryopreservation of hCS-MSCs has been studied. The hCS-MSCs were immunofluorescent stained and examined for their morphology microscopically. The results showed that cryopreservation of hCS-MSCs in MEM with 10% glycerol gives a higher proliferation rate compared to other cryopreserving media tested. Based on the results, hCS-MSCs can safely be cryopreserved using glycerol instead of the traditional use of DMSO.
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Affiliation(s)
- Kristoffer Larsen
- Center for Eye Research and Innovative Diagnostics, Department of Ophthalmology, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Goran Petrovski
- Center for Eye Research and Innovative Diagnostics, Department of Ophthalmology, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
- Department of Ophthalmology, Oslo University Hospital, Oslo, Norway
- School of Medicine, University of Split, 21000, Split, Croatia
- UKLONetwork, University St. Kliment Ohridski -Bitola, 7000, Bitola, North Macedonia
| | - Gerard Boix-Lemonche
- Center for Eye Research and Innovative Diagnostics, Department of Ophthalmology, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.
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Kaffashi K, Dréau D, Nesmelova IV. Heterodimers Are an Integral Component of Chemokine Signaling Repertoire. Int J Mol Sci 2023; 24:11639. [PMID: 37511398 PMCID: PMC10380872 DOI: 10.3390/ijms241411639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/10/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
Chemokines are a family of signaling proteins that play a crucial role in cell-cell communication, cell migration, and cell trafficking, particularly leukocytes, under both normal and pathological conditions. The oligomerization state of chemokines influences their biological activity. The heterooligomerization occurs when multiple chemokines spatially and temporally co-localize, and it can significantly affect cellular responses. Recently, obligate heterodimers have emerged as tools to investigate the activities and molecular mechanisms of chemokine heterodimers, providing valuable insights into their functional roles. This review focuses on the latest progress in understanding the roles of chemokine heterodimers and their contribution to the functioning of the chemokine network.
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Affiliation(s)
- Kimia Kaffashi
- Department of Biological Sciences, University of North Carolina, Charlotte, NC 28223, USA
- Department of Physics and Optical Sciences, University of North Carolina, Charlotte, NC 28223, USA
| | - Didier Dréau
- Department of Biological Sciences, University of North Carolina, Charlotte, NC 28223, USA
| | - Irina V Nesmelova
- Department of Physics and Optical Sciences, University of North Carolina, Charlotte, NC 28223, USA
- School of Data Science, University of North Carolina, Charlotte, NC 28223, USA
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Wang L, Zhou ZH, Xie YX, Liu WJ, Zhang RX, Jiang N, He ML, Qiu JG, Jiang BH. Dysregulation of MiR-199a/IL8 pathway in chronic Cr (VI)-induced tumor growth and angiogenesis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 262:115155. [PMID: 37343486 DOI: 10.1016/j.ecoenv.2023.115155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 06/13/2023] [Accepted: 06/16/2023] [Indexed: 06/23/2023]
Abstract
Hexavalent chromium [Cr(VI)] is a well-known environmental carcinogen. Recent studies revealed that chronic exposure of human bronchial epithelial cells (BEAS-2B, B2B) to Cr(VI) activated several signaling pathways and induced cell malignant transformation and tumor growth. However, new mechanisms of Cr(VI) in inducing carcinogenesis remains to be elucidated. This study showed that miR-199a expression levels were significantly lower in Cr(VI)-transformed Cr-T cells. By using the mouse model, the expression levels of miR-199a were significantly decreased in blood samples and lung tissues of mice intranasally exposed to Cr(VI) for 12 weeks compared to the solvent exposure control. Overexpression of miR-199a inhibited tube formation and angiogenesis. C-X-C motif chemokine ligand 8 (CXCL8, IL8) levels were significantly higher in blood samples of Cr (VI)-exposed workers compared to normal workers, and forced expression of miR-199a in the cells suppressed IL8 levels. miR-199a suppression induced expression of hypoxia-inducible factor 1α (HIF-1α) and nuclear factor kappa B (NF-κB) p65 to increase IL8 expression. With animal experiment, the results showed that miR-199a overexpression inhibited tumor growth and angiogenesis through inhibiting IL8, HIF-1α and NF-κB p65 expression in vivo. These results show that miR-199a/IL8 pathway is important in Cr(VI)-induced carcinogenesis and angiogenesis.
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Affiliation(s)
- Lin Wang
- The First Affiliated Hospital of Zhengzhou University, Academy of Medical Science, Zhengzhou University, Zhengzhou 450000, China
| | - Zhi-Hao Zhou
- The First Affiliated Hospital of Zhengzhou University, Academy of Medical Science, Zhengzhou University, Zhengzhou 450000, China
| | - Yun-Xia Xie
- The First Affiliated Hospital of Zhengzhou University, Academy of Medical Science, Zhengzhou University, Zhengzhou 450000, China
| | - Wen-Jing Liu
- The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou 450000, China
| | - Rui-Xiang Zhang
- Department of Thoracic Surgery, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Nan Jiang
- Department of Thoracic Surgery, Affiliated Chest Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Ming-Liang He
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China
| | - Jian-Ge Qiu
- The First Affiliated Hospital of Zhengzhou University, Academy of Medical Science, Zhengzhou University, Zhengzhou 450000, China.
| | - Bing-Hua Jiang
- The First Affiliated Hospital of Zhengzhou University, Academy of Medical Science, Zhengzhou University, Zhengzhou 450000, China.
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Nel J, Elkhoury K, Velot É, Bianchi A, Acherar S, Francius G, Tamayol A, Grandemange S, Arab-Tehrany E. Functionalized liposomes for targeted breast cancer drug delivery. Bioact Mater 2023; 24:401-437. [PMID: 36632508 PMCID: PMC9812688 DOI: 10.1016/j.bioactmat.2022.12.027] [Citation(s) in RCA: 35] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 12/05/2022] [Accepted: 12/25/2022] [Indexed: 01/03/2023] Open
Abstract
Despite the exceptional progress in breast cancer pathogenesis, prognosis, diagnosis, and treatment strategies, it remains a prominent cause of female mortality worldwide. Additionally, although chemotherapies are effective, they are associated with critical limitations, most notably their lack of specificity resulting in systemic toxicity and the eventual development of multi-drug resistance (MDR) cancer cells. Liposomes have proven to be an invaluable drug delivery system but of the multitudes of liposomal systems developed every year only a few have been approved for clinical use, none of which employ active targeting. In this review, we summarize the most recent strategies in development for actively targeted liposomal drug delivery systems for surface, transmembrane and internal cell receptors, enzymes, direct cell targeting and dual-targeting of breast cancer and breast cancer-associated cells, e.g., cancer stem cells, cells associated with the tumor microenvironment, etc.
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Affiliation(s)
- Janske Nel
- Université de Lorraine, LIBio, F-54000, Nancy, France
| | | | - Émilie Velot
- Université de Lorraine, CNRS, IMoPA, F-54000, Nancy, France
| | - Arnaud Bianchi
- Université de Lorraine, CNRS, IMoPA, F-54000, Nancy, France
| | - Samir Acherar
- Université de Lorraine, CNRS, LCPM, F-54000, Nancy, France
| | | | - Ali Tamayol
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT, 06030, USA
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Martinez-Sanz P, Laurent ARG, Slot E, Hoogenboezem M, Bąbała N, van Bruggen R, Rongvaux A, Flavell RA, Tytgat GAM, Franke K, Matlung HL, Kuijpers TW, Amsen D, Karrich JJ. Humanized MISTRG as a preclinical in vivo model to study human neutrophil-mediated immune processes. Front Immunol 2023; 14:1105103. [PMID: 36969261 PMCID: PMC10032520 DOI: 10.3389/fimmu.2023.1105103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 02/22/2023] [Indexed: 03/11/2023] Open
Abstract
IntroductionMISTRG mice have been genetically modified to allow development of a human myeloid compartment from engrafted human CD34+ haemopoietic stem cells, making them particularly suited to study the human innate immune system in vivo. Here, we characterized the human neutrophil population in these mice to establish a model that can be used to study the biology and contribution in immune processes of these cells in vivo.Methods and resultsWe could isolate human bone marrow neutrophils from humanized MISTRG mice and confirmed that all neutrophil maturation stages from promyelocytes (CD11b–CD16–) to end-stage segmented cells (CD11b+CD16+) were present. We documented that these cells possessed normal functional properties, including degranulation, reactive oxygen species production, adhesion, and antibody-dependent cellular cytotoxicity towards antibody-opsonized tumor cells ex vivo. The acquisition of functional capacities positively correlated with the maturation state of the cell. We found that human neutrophils were retained in the bone marrow of humanized MISTRG mice during steady state. However, the mature segmented CD11b+CD16+ human neutrophils were released from the bone marrow in response to two well-established neutrophil-mobilizing agents (i.e., G-CSF and/or CXCR4 antagonist Plerixafor). Moreover, the neutrophil population in the humanized MISTRG mice actively reacted to thioglycolate-induced peritonitis and could infiltrate implanted human tumors, as shown by flow cytometry and fluorescent microscopy.DiscussionThese results show that functional human neutrophils are generated and can be studied in vivo using the humanized MISTRG mice, providing a model to study the various functions of neutrophils in inflammation and in tumors.
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Affiliation(s)
- Paula Martinez-Sanz
- Sanquin Research and Landsteiner Laboratory, Department of Molecular Hematology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
- *Correspondence: Paula Martinez-Sanz, ; Julien J. Karrich, ; Derk Amsen,
| | - Adrien R. G. Laurent
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Edith Slot
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Mark Hoogenboezem
- Sanquin Research and Landsteiner Laboratory, Department of Molecular Hematology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Nikolina Bąbała
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Robin van Bruggen
- Sanquin Research and Landsteiner Laboratory, Department of Molecular Hematology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Anthony Rongvaux
- Department of Immunology, University of Washington, Seattle, WA, United States
- Fred Hutchinson Cancer Research Center, Clinical Research Division, Seattle, WA, United States
| | - Richard A. Flavell
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT, United States
- Howard Hughes Medical Institute, Yale University School of Medicine, New Haven, CT, United States
| | - Godelieve A. M. Tytgat
- Princess Maxima Center for Pediatric Oncology, Department of Pediatric Oncology, Utrecht, Netherlands
| | - Katka Franke
- Sanquin Research and Landsteiner Laboratory, Department of Molecular Hematology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Hanke L. Matlung
- Sanquin Research and Landsteiner Laboratory, Department of Molecular Hematology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Taco W. Kuijpers
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
- Rheumatology and Infectious Diseases, Emma Children's Hospital, Department of Pediatric Immunology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Derk Amsen
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
- *Correspondence: Paula Martinez-Sanz, ; Julien J. Karrich, ; Derk Amsen,
| | - Julien J. Karrich
- Sanquin Research and Landsteiner Laboratory, Department of Hematopoiesis, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
- *Correspondence: Paula Martinez-Sanz, ; Julien J. Karrich, ; Derk Amsen,
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Kawamura K, Lee C, Yoshikawa T, Hani AS, Usami Y, Toyosawa S, Tanaka S, Hiraoka SI. Prediction of cervical lymph node metastasis from immunostained specimens of tongue cancer using a multilayer perceptron neural network. Cancer Med 2023; 12:5312-5322. [PMID: 36307918 PMCID: PMC10028108 DOI: 10.1002/cam4.5343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 08/04/2022] [Accepted: 08/23/2022] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND Although cervical lymph node metastasis is an important prognostic factor for oral cancer, occult metastases remain undetected even by diagnostic imaging. We developed a learning model to predict lymph node metastasis in resected specimens of tongue cancer by classifying the level of immunohistochemical (IHC) staining for angiogenesis- and lymphangiogenesis-related proteins using a multilayer perceptron neural network (MNN). METHODS We obtained a dataset of 76 patients with squamous cell carcinoma of the tongue who had undergone primary tumor resection. All 76 specimens were IHC stained for the six types shown above (VEGF-C, VEGF-D, NRP1, NRP2, CCR7, and SEMA3E) and 456 slides were prepared. We scored the staining levels visually on all slides. We created virtual slides (4560 images) and the accuracy of the MNN model was verified by comparing it with a hue-saturation (HS) histogram, which quantifies the manually determined visual information. RESULTS The accuracy of the training model with the MNN was 98.6%, and when the training image was converted to grayscale, the accuracy decreased to 52.9%. This indicates that our MNN adequately evaluates the level of staining rather than the morphological features of the IHC images. Multivariate analysis revealed that CCR7 staining level and T classification were independent factors associated with the presence of cervical lymph node metastasis in both HS histograms and MNN. CONCLUSION These results suggest that IHC assessment using MNN may be useful for identifying lymph node metastasis in patients with tongue cancer.
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Affiliation(s)
- Kohei Kawamura
- 1st Department of Oral and Maxillofacial Surgery, Graduate School of Dentistry, Osaka University, Osaka, Japan
| | - Chonho Lee
- Cybermedia Center, Osaka University, Osaka, Japan
| | | | - Al-Shareef Hani
- Department of Oral & Maxillofacial Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Yu Usami
- Department of Oral Pathology, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Satoru Toyosawa
- Department of Oral Pathology, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Susumu Tanaka
- 1st Department of Oral and Maxillofacial Surgery, Graduate School of Dentistry, Osaka University, Osaka, Japan
| | - Shin-Ichiro Hiraoka
- 1st Department of Oral and Maxillofacial Surgery, Graduate School of Dentistry, Osaka University, Osaka, Japan
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T22-PE24-H6 Nanotoxin Selectively Kills CXCR4-High Expressing AML Patient Cells In Vitro and Potently Blocks Dissemination In Vivo. Pharmaceutics 2023; 15:pharmaceutics15030727. [PMID: 36986589 PMCID: PMC10054149 DOI: 10.3390/pharmaceutics15030727] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/15/2023] [Accepted: 02/20/2023] [Indexed: 02/24/2023] Open
Abstract
Despite advances in the development of targeted therapies for acute myeloid leukemia (AML), most patients relapse. For that reason, it is still necessary to develop novel therapies that improve treatment effectiveness and overcome drug resistance. We developed T22-PE24-H6, a protein nanoparticle that contains the exotoxin A from the bacterium Pseudomonas aeruginosa and is able to specifically deliver this cytotoxic domain to CXCR4+ leukemic cells. Next, we evaluated the selective delivery and antitumor activity of T22-PE24-H6 in CXCR4+ AML cell lines and BM samples from AML patients. Moreover, we assessed the in vivo antitumor effect of this nanotoxin in a disseminated mouse model generated from CXCR4+ AML cells. T22-PE24-H6 showed a potent, CXCR4-dependent antineoplastic effect in vitro in the MONO-MAC-6 AML cell line. In addition, mice treated with nanotoxins in daily doses reduced the dissemination of CXCR4+ AML cells compared to buffer-treated mice, as shown by the significant decrease in BLI signaling. Furthermore, we did not observe any sign of toxicity or changes in mouse body weight, biochemical parameters, or histopathology in normal tissues. Finally, T22-PE24-H6 exhibited a significant inhibition of cell viability in CXCR4high AML patient samples but showed no activity in CXCR4low samples. These data strongly support the use of T22-PE24-H6 therapy to benefit high-CXCR4-expressing AML patients.
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Owen JS, Clayton A, Pearson HB. Cancer-Associated Fibroblast Heterogeneity, Activation and Function: Implications for Prostate Cancer. Biomolecules 2022; 13:67. [PMID: 36671452 PMCID: PMC9856041 DOI: 10.3390/biom13010067] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/19/2022] [Accepted: 12/27/2022] [Indexed: 01/01/2023] Open
Abstract
The continuous remodeling of the tumor microenvironment (TME) during prostate tumorigenesis is emerging as a critical event that facilitates cancer growth, progression and drug-resistance. Recent advances have identified extensive communication networks that enable tumor-stroma cross-talk, and emphasized the functional importance of diverse, heterogeneous stromal fibroblast populations during malignant growth. Cancer-associated fibroblasts (CAFs) are a vital component of the TME, which mediate key oncogenic events including angiogenesis, immunosuppression, metastatic progression and therapeutic resistance, thus presenting an attractive therapeutic target. Nevertheless, how fibroblast heterogeneity, recruitment, cell-of-origin and differential functions contribute to prostate cancer remains to be fully delineated. Developing our molecular understanding of these processes is fundamental to developing new therapies and biomarkers that can ultimately improve clinical outcomes. In this review, we explore the current challenges surrounding fibroblast identification, discuss new mechanistic insights into fibroblast functions during normal prostate tissue homeostasis and tumorigenesis, and illustrate the diverse nature of fibroblast recruitment and CAF generation. We also highlight the promise of CAF-targeted therapies for the treatment of prostate cancer.
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Affiliation(s)
- Jasmine S. Owen
- The European Cancer Stem Cell Research Institute, School of Biosciences, Cardiff University, Cardiff CF24 4HQ, UK
| | - Aled Clayton
- Tissue Microenvironment Group, Division of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff CF14 4XN, UK
| | - Helen B. Pearson
- The European Cancer Stem Cell Research Institute, School of Biosciences, Cardiff University, Cardiff CF24 4HQ, UK
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Ozcelik A, Abas BI, Erdogan O, Cevik E, Cevik O. On-Chip Organoid Formation to Study CXCR4/CXCL-12 Chemokine Microenvironment Responses for Renal Cancer Drug Testing. BIOSENSORS 2022; 12:1177. [PMID: 36551144 PMCID: PMC9775535 DOI: 10.3390/bios12121177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 12/05/2022] [Accepted: 12/15/2022] [Indexed: 06/17/2023]
Abstract
Organoid models have gained importance in recent years in determining the toxic effects of drugs in cancer studies. Organoid designs with the same standardized size and cellular structures are desired for drug tests. The field of microfluidics offers numerous advantages to enable well-controlled and contamination-free biomedical research. In this study, simple and low-cost microfluidic devices were designed and fabricated to develop an organoid model for drug testing for renal cancers. Caki human renal cancer cells and mesenchymal stem cells isolated from human umbilical cord were placed into alginate hydrogels. The microfluidic system was implemented to form size-controllable organoids within alginate hydrogels. Alginate capsules of uniform sizes formed in the microfluidic system were kept in cell culture for 21 days, and their organoid development was studied with calcein staining. Cisplatin was used as a standard chemotherapeutic, and organoid sphere structures were examined as a function of time with an MTT assay. HIF-1α, CXCR4 and CXCL-12 chemokine protein, and CXCR4 and CXCL-12 gene levels were tested in organoids and cisplatin responses. In conclusion, it was found that the standard renal cancer organoids made on a lab-on-a-chip system can be used to measure drug effects and tumor microenvironment responses.
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Affiliation(s)
- Adem Ozcelik
- Department of Mechanical Engineering, Aydın Adnan Menderes University, Aydin 09010, Turkey
| | - Burcin Irem Abas
- Department of Biochemistry, School of Medicine, Aydin Adnan Menderes University, Aydin 09010, Turkey
| | - Omer Erdogan
- Department of Biochemistry, School of Medicine, Aydin Adnan Menderes University, Aydin 09010, Turkey
| | - Evrim Cevik
- Department of Machinery and Metal Technologies, Kocarli Vocational School, Aydin Adnan Menderes University, Aydin 09010, Turkey
| | - Ozge Cevik
- Department of Biochemistry, School of Medicine, Aydin Adnan Menderes University, Aydin 09010, Turkey
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Diwan D, Cheng L, Usmani Z, Sharma M, Holden N, Willoughby N, Sangwan N, Baadhe RR, Liu C, Gupta VK. Microbial cancer therapeutics: A promising approach. Semin Cancer Biol 2022; 86:931-950. [PMID: 33979677 DOI: 10.1016/j.semcancer.2021.05.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/24/2021] [Accepted: 05/04/2021] [Indexed: 01/27/2023]
Abstract
The success of conventional cancer therapeutics is hindered by associated dreadful side-effects of antibiotic resistance and the dearth of antitumor drugs' selectivity and specificity. Hence, the conceptual evolution of anti-cancerous therapeutic agents that selectively target cancer cells without impacting the healthy cells or tissues, has led to a new wave of scientific interest in microbial-derived bioactive molecules. Such strategic solutions may pave the way to surmount the shortcomings of conventional therapies and raise the potential and hope for the cure of wide range of cancer in a selective manner. This review aims to provide a comprehensive summary of anti-carcinogenic properties and underlying mechanisms of bioactive molecules of microbial origin, and discuss the current challenges and effective therapeutic application of combinatorial strategies to attain minimal systemic side-effects.
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Affiliation(s)
- Deepti Diwan
- Washington University, School of Medicine, Saint Louis, MO, USA
| | - Lei Cheng
- Department of Pulmonary, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, 230032, China
| | - Zeba Usmani
- Department of Chemistry and Biotechnology, Tallinn University of Technology, 12618, Tallinn, Estonia
| | - Minaxi Sharma
- Department of Food Technology, Akal College of Agriculture, Eternal University, Baru Sahib, Himachal Pradesh, 173101, India
| | - Nicola Holden
- Centre for Safe and Improved Food, Scotland's Rural College (SRUC), Kings Buildings, West Mains Road, Edinburgh, EH9 3JG, UK
| | - Nicholas Willoughby
- Institute of Biological Chemistry, Biophysics and Bioengineering, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh, EH14 4AS, UK
| | - Neelam Sangwan
- Department of Biochemistry, Central University of Haryana, Mahendergarh, Haryana, 123031, India
| | - Rama Raju Baadhe
- Department of Biotechnology, National Institute of Technology, Warangal, Telangana, 506004, India
| | - Chenchen Liu
- Department of Gastric Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China.
| | - Vijai Kumar Gupta
- Centre for Safe and Improved Food, Scotland's Rural College (SRUC), Kings Buildings, West Mains Road, Edinburgh, EH9 3JG, UK; Biorefining and Advanced Materials Research Center, Scotland's Rural College (SRUC), Kings Buildings, West Mains Road, Edinburgh, EH9 3JG, UK.
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Raza S, Rajak S, Tewari A, Gupta P, Chattopadhyay N, Sinha RA, Chakravarti B. Multifaceted role of chemokines in solid tumors: From biology to therapy. Semin Cancer Biol 2022; 86:1105-1121. [PMID: 34979274 PMCID: PMC7613720 DOI: 10.1016/j.semcancer.2021.12.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/27/2021] [Accepted: 12/29/2021] [Indexed: 02/07/2023]
Abstract
Chemokines are small secretory chemotactic cytokines that control the directed migration of immune cells. Chemokines are involved in both anti-and pro-tumorigenic immune responses. Accumulating evidence suggests that the balance between these responses is influenced by several factors such as the stage of tumorigenesis, immune cell activation, recruitment of immune activating or immunosuppressive cells in the tumor microenvironment (TME), and chemokine receptor expression on effector and regulatory target cells. Cancer cells engage in a complex network with their TME components via several factors including growth factors, cytokines and chemokines that are critical for the growth of primary tumor and metastasis. However, chemokines show a multifaceted role in tumor progression including maintenance of stem-like properties, tumor cell proliferation/survival/senescence, angiogenesis, and metastasis. The heterogeneity of solid tumors in primary and metastatic cancers presents a challenge to the development of successful cancer therapy. Despite extensive research on how solid tumors escape immune cell-mediated anti-tumor response, finding an effective therapy for metastatic cancer still remains a challenge. This review discusses the multifarious roles of chemokines in solid tumors including various chemokine signaling pathways such as CXCL8-CXCR1/2, CXCL9, 10, 11-CXCR3, CXCR4-CXCL12, CCL(X)-CCR(X) in primary and metastatic cancers. We further discuss the novel therapeutic approaches that have been developed by major breakthroughs in chemokine research to treat cancer patients by the strategic blockade/activation of these signaling axes alone or in combination with immunotherapies.
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Affiliation(s)
- Sana Raza
- Department of Endocrinology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, 226014, India
| | - Sangam Rajak
- Department of Endocrinology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, 226014, India
| | - Archana Tewari
- Department of Endocrinology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, 226014, India
| | - Pratima Gupta
- Department of Endocrinology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, 226014, India
| | - Naibedya Chattopadhyay
- Division of Endocrinology and CSIR-Central Drug Research Institute, Sitapur Road, Lucknow, 226 031, India
| | - Rohit Anthony Sinha
- Department of Endocrinology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, 226014, India
| | - Bandana Chakravarti
- Department of Endocrinology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, 226014, India.
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Ma N, Lu J, Pei Y, Robertson ES. Transcriptome reprogramming of Epstein-Barr virus infected epithelial and B cells reveals distinct host-virus interaction profiles. Cell Death Dis 2022; 13:894. [PMID: 36272970 PMCID: PMC9588026 DOI: 10.1038/s41419-022-05327-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 10/05/2022] [Accepted: 10/06/2022] [Indexed: 11/07/2022]
Abstract
Epstein-Barr virus (EBV) is an opportunistic pathogen that can manifest itself as a potential contributor to human diseases years after primary infection, specifically in lymphoid and epithelial cell malignancies in immune-competent and immune-compromised hosts. The virus shuttles between B cells and epithelial cells during its infection cycle, facilitating its persistence and transmission in humans. While EBV efficiently infects and transforms B-lymphocytes, epithelial cells are not as susceptible to transformation in vitro. We utilized a 3D platform for culturing normal oral keratinocyte cells (NOKs) using Matrigel for greater insights into the molecular interactions between EBV and infected cells. We determined the transcriptome of EBV infected NOKs and peripheral blood mononuclear cells (PBMCs) for 7 and 15 days. LMPs (-1, -2A, and -2B) and EBNAs (-1, -2, -3A, -3B and -3C) were detected in all samples, and lytic gene expression was significantly higher in NOKs than PBMCs. We identified over 2000 cellular genes that were differentially expressed (P-value<0.05). Gene ontology (GO) and pathway analyses significantly identified pathways related to collagen-activation, chemokine signaling, immune response, metabolism, and antiviral responses. We also identified significant changes in metalloproteases and genes encoding chemotactic ligands and cell surface molecules. C-X-C chemokine receptor type 4 (CXCR4) was dramatically downregulated in PBMCs and upregulated in NOKs. However, MMP1 was significantly downregulated in NOKs and upregulated in PBMCs. Therefore, multiple pathways contribute to distinct pathologies associated with EBV infection in epithelial and B cells, and MMP1 and CXCR4 are critical molecules involved in regulation of latent and lytic states linked to viral associated diseases.
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Affiliation(s)
- Nian Ma
- Departments of Otorhinolaryngology-Head and Neck Surgery, and Microbiology, the Tumor Virology Program, Abramson Cancer Center, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Juan Lu
- Department of Otorhinolaryngology-Head and Neck Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yonggang Pei
- School of Public Health and Emergency Management, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Erle S Robertson
- Departments of Otorhinolaryngology-Head and Neck Surgery, and Microbiology, the Tumor Virology Program, Abramson Cancer Center, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA.
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Cheng X, Deng W, Zhang Z, Zeng Z, Liu Y, Zhou X, Zhang C, Wang G. Novel amino acid metabolism‐related gene signature to predict prognosis in clear cell renal cell carcinoma. Front Genet 2022; 13:982162. [PMID: 36118874 PMCID: PMC9478740 DOI: 10.3389/fgene.2022.982162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 08/08/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Amino acid metabolism (AAM) deregulation, an emerging metabolic hallmark of malignancy, plays an essential role in tumour proliferation, invasion, and metastasis. However, the expression of AAM-related genes and their correlation with prognosis in clear cell renal cell carcinoma (ccRCC) remain elusive. This study aims to develop a novel consensus signature based on the AAM-related genes. Methods: The RNA-seq expression data and clinical information for ccRCC were downloaded from the TCGA (KIRC as training dataset) and ArrayExpress (E-MTAB-1980 as validation dataset) databases. The AAM‐related differentially expressed genes were screened via the “limma” package in TCGA cohorts for further analysis. The machine learning algorithms (Lasso and stepwise Cox (direction = both)) were then utilised to establish a novel consensus signature in TCGA cohorts, which was validated by the E-MTAB-1980 cohorts. The optimal cutoff value determined by the “survminer” package was used to categorise patients into two risk categories. The Kaplan-Meier curve, the receiver operating characteristic (ROC) curve, and multivariate Cox regression were utilised to evaluate the prognostic value. The nomogram based on the gene signature was constructed, and its performance was analysed using ROC and calibration curves. Gene Set Enrichment Analysis (GSEA) and immune cell infiltration analysis were conducted on its potential mechanisms. The relationship between the gene signature and key immune checkpoint, N6-methyladenosine (m6A)-related genes, and sensitivity to chemotherapy was assessed. Results: A novel consensus AMM‐related gene signature consisting of IYD, NNMT, ACADSB, GLDC, and PSAT1 is developed to predict prognosis in TCGA cohorts. Kaplan-Meier survival shows that overall survival in the high-risk group was more dismal than in the low-risk group in the TCGA cohort, validated by the E-MTAB-1980 cohort. Multivariate regression analysis also demonstrates that the gene signature is an independent predictor of ccRCC. Immune infiltration analysis highlighted that the high-risk group indicates an immunosuppressive microenvironment. It is also closely related to the level of key immune checkpoints, m6A modification, and sensitivity to chemotherapy drugs. Conclusion: In this study, a novel consensus AAM-related gene signature is developed and validated as an independent predictor to robustly predict the overall survival from ccRCC, which would further improve the clinical outcomes.
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Affiliation(s)
- Xiaofeng Cheng
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang, China
- Jiangxi Institute of Urology, Nanchang, China
| | - Wen Deng
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang, China
- Jiangxi Institute of Urology, Nanchang, China
| | - Zhicheng Zhang
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang, China
- Jiangxi Institute of Urology, Nanchang, China
| | - Zhenhao Zeng
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang, China
- Jiangxi Institute of Urology, Nanchang, China
| | - Yifu Liu
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang, China
- Jiangxi Institute of Urology, Nanchang, China
| | - Xiaochen Zhou
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang, China
- Jiangxi Institute of Urology, Nanchang, China
| | - Cheng Zhang
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang, China
- Jiangxi Institute of Urology, Nanchang, China
| | - Gongxian Wang
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang, China
- Jiangxi Institute of Urology, Nanchang, China
- *Correspondence: Gongxian Wang,
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Goïta AA, Guenot D. Colorectal Cancer: The Contribution of CXCL12 and Its Receptors CXCR4 and CXCR7. Cancers (Basel) 2022; 14:1810. [PMID: 35406582 PMCID: PMC8997717 DOI: 10.3390/cancers14071810] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 03/22/2022] [Accepted: 03/29/2022] [Indexed: 02/06/2023] Open
Abstract
Colorectal cancer is one of the most common cancers, and diagnosis at late metastatic stages is the main cause of death related to this cancer. This progression to metastasis is complex and involves different molecules such as the chemokine CXCL12 and its two receptors CXCR4 and CXCR7. The high expression of receptors in CRC is often associated with a poor prognosis and aggressiveness of the tumor. The interaction of CXCL12 and its receptors activates signaling pathways that induce chemotaxis, proliferation, migration, and cell invasion. To this end, receptor inhibitors were developed, and their use in preclinical and clinical studies is ongoing. This review provides an overview of studies involving CXCR4 and CXCR7 in CRC with an update on their targeting in anti-cancer therapies.
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Affiliation(s)
| | - Dominique Guenot
- INSERM U1113/Unistra, IRFAC—Interface de Recherche Fondamentale et Appliquée en Cancérologie, 67200 Strasbourg, France;
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15
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Mehrpouri M. The contributory roles of the CXCL12/CXCR4/CXCR7 axis in normal and malignant hematopoiesis: A possible therapeutic target in hematologic malignancies. Eur J Pharmacol 2022; 920:174831. [DOI: 10.1016/j.ejphar.2022.174831] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 02/14/2022] [Accepted: 02/15/2022] [Indexed: 11/03/2022]
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16
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Zacherl MJ, Todica A, Wängler C, Schirrmacher R, Hajebrahimi MA, Pircher J, Li X, Lindner S, Brendel M, Bartenstein P, Massberg S, Brunner S, Lehner S, Hacker M, Huber BC. Molecular imaging of cardiac CXCR4 expression in a mouse model of acute myocardial infarction using a novel 68Ga-mCXCL12 PET tracer. J Nucl Cardiol 2021; 28:2965-2975. [PMID: 32676914 PMCID: PMC8709820 DOI: 10.1007/s12350-020-02262-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 06/08/2020] [Indexed: 01/16/2023]
Abstract
BACKGROUND The chemokine receptor CXCR4 and its ligand CXCL12 have been shown to be a possible imaging and therapeutic target after myocardial infarction (MI). The murine-based and mouse-specific 68Ga-mCXCL12 PET tracer could be suitable for serial in vivo quantification of cardiac CXCR4 expression in a murine model of MI. METHODS AND RESULTS At days 1-6 after MI, mice were intravenously injected with 68Ga-mCXCL12. Autoradiography was performed and the infarct-to-remote ratio (I/R) was determined. In vivo PET imaging with 68Ga-mCXCL12 was conducted on days 1-6 after MI and the percentage of the injected dose (%ID/g) of the tracer uptake in the infarct area was calculated. 18F-FDG-PET was performed for anatomical landmarking. Ex vivo autoradiography identified CXCR4 upregulation in the infarct region with an increasing I/R after 12 hours (1.4 ± 0.3), showing a significant increase until day 2 (4.5 ± 0.6), followed by a plateau phase (day 4) and decrease after 10 days (1.3 ± 1.0). In vivo PET imaging identified similar CXCR4 upregulation in the infarct region which peaked around day 3 post MI (9.7 ± 5.0 %ID/g) and then subsequently decreased by day 6 (2.8 ± 1.0 %ID/g). CONCLUSION Noninvasive molecular imaging of cardiac CXCR4 expression using a novel, murine-based, and specific 68Ga-mCXCL12 tracer is feasible both ex vivo and in vivo.
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Affiliation(s)
| | - Andrei Todica
- Department of Nuclear Medicine, University Hospital of Munich, LMU Munich, Munich, Germany
| | - Carmen Wängler
- Biomedical Chemistry, Department of Clinical Radiology and Nuclear Medicine, Medical Faculty Mannheim of Heidelberg University, Mannheim, Germany
| | - Ralf Schirrmacher
- Department of Oncology, Division of Oncological Imaging, University of Alberta, Edmonton, AB, Canada
| | | | - Joachim Pircher
- Department of Cardiology, University Hospital of Munich, LMU Munich, Munich, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, Munich, Germany
| | - Xiang Li
- Department of Biomedical Imaging and Image-guided Therapy, Division of Nuclear Medicine, Medical University of Vienna, Währinger Gürtel 18-20, 1090, Vienna, Austria
| | - Simon Lindner
- Department of Nuclear Medicine, University Hospital of Munich, LMU Munich, Munich, Germany
| | - Matthias Brendel
- Department of Nuclear Medicine, University Hospital of Munich, LMU Munich, Munich, Germany
| | - Peter Bartenstein
- Department of Nuclear Medicine, University Hospital of Munich, LMU Munich, Munich, Germany
| | - Steffen Massberg
- Department of Cardiology, University Hospital of Munich, LMU Munich, Munich, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, Munich, Germany
| | - Stefan Brunner
- Department of Cardiology, University Hospital of Munich, LMU Munich, Munich, Germany
| | - Sebastian Lehner
- Department of Nuclear Medicine, University Hospital of Munich, LMU Munich, Munich, Germany
- Ambulatory Healthcare Center Dr. Neumaier & Colleagues, Radiology, Nuclear Medicine, Radiation Therapy, Regensburg, Germany
| | - Marcus Hacker
- Department of Biomedical Imaging and Image-guided Therapy, Division of Nuclear Medicine, Medical University of Vienna, Währinger Gürtel 18-20, 1090, Vienna, Austria.
| | - Bruno C Huber
- Department of Cardiology, University Hospital of Munich, LMU Munich, Munich, Germany
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Knockdown of microRNA-214-3p Promotes Tumor Growth and Epithelial-Mesenchymal Transition in Prostate Cancer. Cancers (Basel) 2021; 13:cancers13235875. [PMID: 34884984 PMCID: PMC8656576 DOI: 10.3390/cancers13235875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/17/2021] [Accepted: 11/19/2021] [Indexed: 11/22/2022] Open
Abstract
Simple Summary Prostate Cancer is the second leading cause of cancer-related deaths in the United States. In this study, we analyzed a molecule known as a microRNA, which regulates the expression of genes. microRNAs are involved in processes related to cancer onset and progression. Abnormal expression of microRNAs can promote prostate cancer. This study showed that knockdown of microRNA miR-214-3p enhanced the progression and of prostate cancer. In addition, miR-214 regulated the expression of many genes. These results are useful to better understand the function of miR-214-3p in prostate cancer and can be a useful target in the treatment of the disease. Abstract Abnormal expression of microRNA miR-214-3p (miR-214) is associated with multiple cancers. In this study, we assessed the effects of CRISPR/Cas9 mediated miR-214 depletion in prostate cancer (PCa) cells and the underlying mechanisms. Knockdown of miR-214 promoted PCa cell proliferation, invasion, migration, epithelial-mesenchymal transition (EMT), and increased resistance to anoikis, a key feature of PCa cells that undergo metastasis. The reintroduction of miR-214 in miR-214 knockdown cells reversed these effects and significantly suppressed cell proliferation, migration, and invasion. These in vitro studies are consistent with the role of miR-214 as a tumor suppressor. Moreover, miR-214 knockout increased tumor growth in PCa xenografts in nude mice supporting its anti-oncogenic role in PCa. Knockdown of miR-214 increased the expression of its target protein, Protein Tyrosine Kinase 6 (PTK6), a kinase shown to promote oncogenic signaling and tumorigenesis in PCa. In addition, miR-214 modulated EMT as exhibited by differential regulation of E-Cadherin, N-Cadherin, and Vimentin both in vitro and in vivo. RNA-seq analysis of miR-214 knockdown cells revealed altered gene expression related to PCa tumor growth pathways, including EMT and metastasis. Collectively, our findings reveal that miR-214 is a key regulator of PCa oncogenesis and is a potential novel therapeutic target for the treatment of the disease.
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18
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Dong Y, Gao S, Zhang X, Kou J, Liu J, Ye T, Shen H. CCL17 and CCL22 induce CCR4 receptor expression and promote cytokine-induced killer cells migration. Anticancer Drugs 2021; 33:149-157. [PMID: 34657098 DOI: 10.1097/cad.0000000000001256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Recently, cytokine-induced killer (CIK) cells have been shown to possess effective cytotoxic activity against some tumor cells both in vitro and in clinical research. Furthermore, dendritic cell-activated CIK (DC-CIK) cells display significantly increased antitumor activity compared to unstimulated CIK cells. Study findings indicate DC cells can secrete chemokine C-C motif ligand 17 (CCL17) and chemokine C-C motif ligand 22 (CCL22) with a common receptor molecule, C-C chemokine receptor type-4(CCR4). CCL17 and CCL22 levels were measured by ELISA from CIK cell culture supernatants and the expression of CCR4 on CIK and DC-CIK cells was analyzed by flow cytometry. Through Migration and Killing assays, further analyzed the effects of the altered expression levels of CCR4 on the chemotactic ability and the tumor-killing efficiency of CIK cells. We found markedly increased CCL17 and CCL22 in supernatants of DC-CIK co-cultures. Similarly, the expression of CCR4 was also increased on CIK cells in these co-cultures. Further, the stimulation of CCL17 and CCL22 increased expression of the CCR4 and enhanced the migratory capacity and antitumor efficacy of CIK cells. Simultaneously, similar effects had achieved by transfecting the CCR4 gene into CIK cells. DC cells may promote the expression of CCR4 on CIK cells by secreting CCL17 and CCL22, thereby promoting infiltration of DC-CIK cells into the tumor microenvironment, and exerting stronger antitumor activity than CIK cells.
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Affiliation(s)
- Yongjian Dong
- Guangdong Province Key Laboratory for Biotechnology Drug Candidates, School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, Guangdong Department of Radiation Oncology, Dongguan People's Hospital, Affiliated Dongguan Hospital of Southern Medical University, Dongguan, Guangdong, China
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19
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Chamseddine AN, Assi T, Mir O, Chouaib S. Modulating tumor-associated macrophages to enhance the efficacy of immune checkpoint inhibitors: A TAM-pting approach. Pharmacol Ther 2021; 231:107986. [PMID: 34481812 DOI: 10.1016/j.pharmthera.2021.107986] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 08/22/2021] [Accepted: 08/24/2021] [Indexed: 12/14/2022]
Abstract
Tumor-associated macrophages (TAM) plasticity and diversity are both essential hallmarks of the monocyte-macrophage lineage and the tumor-derived inflammation. TAM exemplify the perfect adaptable cell with dynamic phenotypic modifications that reflect changes in their functional polarization status. Under several tumor microenvironment (TME)-related cues, TAM shift their polarization, hence promoting or halting cancer progression. Immune checkpoint inhibitors (ICI) displayed unprecedented clinical responses in various refractory cancers; but only approximately a third of patients experienced durable responses. It is, therefore, crucial to enhance the response rate of immunotherapy. Several mechanisms of resistance to ICI have been elucidated including TAM role with its essential immunosuppressive functions that reduce both anti-tumor immunity and the subsequent ICI efficacy. In the past few years, thorough research has led to a better understanding of TAM biology and innovative approaches can now be adapted through targeting macrophages' recruitment axis as well as TAM activation and polarization status within the TME. Some of these therapeutic strategies are currently being evaluated in several clinical trials in association with ICI agents. This combination between TAM modulation and ICI allows targeting TAM intrinsic immunosuppressive functions and tumor-promoting factors as well as overcoming ICI resistance. Hence, such strategies, with a better understanding of the mechanisms driving TAM modulation, may have the potential to optimize ICI efficacy.
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Affiliation(s)
- Ali N Chamseddine
- Department of Medical Oncology, Gustave Roussy, F-94805, Villejuif, France; Department of Biostatistics and Epidemiology, CESP INSERM U1018, OncoStat, Gustave Roussy, F-94805, Villejuif, France.
| | - Tarek Assi
- Department of Medical Oncology, Gustave Roussy, F-94805, Villejuif, France
| | - Olivier Mir
- Department of Medical Oncology, Gustave Roussy, F-94805, Villejuif, France; Department of Pharmacology, Gustave Roussy, F-94805, Villejuif, France; Department of Ambulatory Care, Gustave Roussy, F-94805, Villejuif, France
| | - Salem Chouaib
- INSERM UMR 1186, Integrative Tumor Immunology and Genetic Oncology, Gustave Roussy, F-94805, Villejuif, France
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20
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Brandum EP, Jørgensen AS, Rosenkilde MM, Hjortø GM. Dendritic Cells and CCR7 Expression: An Important Factor for Autoimmune Diseases, Chronic Inflammation, and Cancer. Int J Mol Sci 2021; 22:ijms22158340. [PMID: 34361107 PMCID: PMC8348795 DOI: 10.3390/ijms22158340] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 07/28/2021] [Accepted: 07/30/2021] [Indexed: 12/21/2022] Open
Abstract
Chemotactic cytokines-chemokines-control immune cell migration in the process of initiation and resolution of inflammatory conditions as part of the body's defense system. Many chemokines also participate in pathological processes leading up to and exacerbating the inflammatory state characterizing chronic inflammatory diseases. In this review, we discuss the role of dendritic cells (DCs) and the central chemokine receptor CCR7 in the initiation and sustainment of selected chronic inflammatory diseases: multiple sclerosis (MS), rheumatoid arthritis (RA), and psoriasis. We revisit the binary role that CCR7 plays in combatting and progressing cancer, and we discuss how CCR7 and DCs can be harnessed for the treatment of cancer. To provide the necessary background, we review the differential roles of the natural ligands of CCR7, CCL19, and CCL21 and how they direct the mobilization of activated DCs to lymphoid organs and control the formation of associated lymphoid tissues (ALTs). We provide an overview of DC subsets and, briefly, elaborate on the different T-cell effector types generated upon DC-T cell priming. In the conclusion, we promote CCR7 as a possible target of future drugs with an antagonistic effect to reduce inflammation in chronic inflammatory diseases and an agonistic effect for boosting the reactivation of the immune system against cancer in cell-based and/or immune checkpoint inhibitor (ICI)-based anti-cancer therapy.
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21
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Xing L, Lv HT, Liu SG, Wang WB, Zhang TF, Liu JH, Bian W. The effect of gemcitabine combined with AMD3100 applying to cholangiocarcinoma RBE cell lines to CXCR4/CXCL12 axis. Scand J Gastroenterol 2021; 56:914-919. [PMID: 34165373 DOI: 10.1080/00365521.2021.1906944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
PURPOSE To evaluate the effect of AMD3100 treatment to cholangiocarcinoma by analyzing the relationship between them, and provide experimental evidence for whether AMD3100 can become a clinical treatment drug for cholangiocarcinoma. MATERIALS AND METHODS Cholangiocarcinoma RBE cell lines were used in this study. MTT cell proliferation test was used for evaluating the effect of gemcitabine and AMD3100 to cell. CXCR4, N-cadherin, VEGF-C and MMP-9 were detect by RT-PCR and western. Transwell was used for evaluating the invasion effect. RESULTS We demonstrated that as the concentration of gemcitabine increasing from 0.33, 3.33 to 33.33 uM, the cell survival rate was 76.65%, 71.40%, 52.25%, respectively. RT-PCR and Western blot that gemcitabine could affect the expression of CXCR4 protein and the level of mRNA transcription in a dose-dependent manner. N-cadherin VEGF-C, MMP-9 mRNA transcription level showed a significant upward trend in gemcitabine group. In Transwell test, the number of cells in the gemcitabine group was significantly higher than that in the no-medication group (p < .05), the AMD3100 group and the combination group of gemcitabine and AMD3100, the difference between the no-medication group and the AMD3100 monotherapy group was not significant, and the combination group was between them. CONCLUSIONS This study showed that gemcitabine significantly inhibited the growth of cholangiocarcinoma RBE cells in a dose-dependent manner, and gemcitabine can affect the expression of CXCR4, N-cadherin, VEGF-C, MMP-9 protein and mRNA. Cell invasion and metastasis-related factors decreased after AMD3100 combined with gemcitabine.
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Affiliation(s)
- Li Xing
- Department of Gastrointestinal Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, PR China
| | - Hai-Tao Lv
- Department of Hepatobiliary Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, PR China
| | - San-Guang Liu
- Department of Hepatobiliary Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, PR China
| | - Wen-Bin Wang
- Department of Hepatobiliary Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, PR China
| | - Teng-Fei Zhang
- Department of Hepatobiliary Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, PR China
| | - Jian-Hua Liu
- Department of Hepatobiliary Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, PR China
| | - Wei Bian
- Department of Hepatobiliary Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, PR China
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22
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Khare T, Bissonnette M, Khare S. CXCL12-CXCR4/CXCR7 Axis in Colorectal Cancer: Therapeutic Target in Preclinical and Clinical Studies. Int J Mol Sci 2021; 22:ijms22147371. [PMID: 34298991 PMCID: PMC8305488 DOI: 10.3390/ijms22147371] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 07/05/2021] [Accepted: 07/07/2021] [Indexed: 12/24/2022] Open
Abstract
Chemokines are chemotactic cytokines that promote cancer growth, metastasis, and regulate resistance to chemotherapy. Stromal cell-derived factor 1 (SDF1) also known as C-X-C motif chemokine 12 (CXCL12), a prognostic factor, is an extracellular homeostatic chemokine that is the natural ligand for chemokine receptors C-X-C chemokine receptor type 4 (CXCR4), also known as fusin or cluster of differentiation 184 (CD184) and chemokine receptor type 7 (CXCR7). CXCR4 is the most widely expressed rhodopsin-like G protein coupled chemokine receptor (GPCR). The CXCL12–CXCR4 axis is involved in tumor growth, invasion, angiogenesis, and metastasis in colorectal cancer (CRC). CXCR7, recently termed as atypical chemokine receptor 3 (ACKR3), is amongst the G protein coupled cell surface receptor family that is also commonly expressed in a large variety of cancer cells. CXCR7, like CXCR4, regulates immunity, angiogenesis, stem cell trafficking, cell growth and organ-specific metastases. CXCR4 and CXCR7 are expressed individually or together, depending on the tumor type. When expressed together, CXCR4 and CXCR7 can form homo- or hetero-dimers. Homo- and hetero-dimerization of CXCL12 and its receptors CXCR4 and CXCR7 alter their signaling activity. Only few drugs have been approved for clinical use targeting CXCL12-CXCR4/CXCR7 axis. Several CXCR4 inhibitors are in clinical trials for solid tumor treatment with limited success whereas CXCR7-specific inhibitors are still in preclinical studies for CRC. This review focuses on current knowledge of chemokine CXCL12 and its receptors CXCR4 and CXCR7, with emphasis on targeting the CXCL12–CXCR4/CXCR7 axis as a treatment strategy for CRC.
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Affiliation(s)
- Tripti Khare
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Missouri, Columbia, MO 65212, USA;
| | - Marc Bissonnette
- Section of Gastroenterology, Hepatology and Nutrition, Department of Medicine, University of Chicago, Chicago, IL 60637, USA;
| | - Sharad Khare
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Missouri, Columbia, MO 65212, USA;
- Harry S. Truman Memorial Veterans’ Hospital, Columbia, MO 65201, USA
- Correspondence: ; Tel.: +1-573-884-8904; Fax: +1-573-885-4595
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Kim DH, Kim MS, Hagiwara A, Lee JS. The genome of the minute marine rotifer Proales similis: Genome-wide identification of 401 G protein-coupled receptor (GPCR) genes. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2021; 39:100861. [PMID: 34157608 DOI: 10.1016/j.cbd.2021.100861] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 06/01/2021] [Accepted: 06/02/2021] [Indexed: 10/21/2022]
Abstract
The minute marine rotifer Proales similis is a potential model species for ecotoxicological and ecophysiological studies. Therefore, the provision of whole-genome data for P. similis is an easy way to deepen understanding of the molecular mechanisms involved in response to various environmental stressors. In this research, we assembled the whole-genome sequence (32.7 Mb total, N50 = 2.42 Mb) of P. similis, consisting of 15 contigs with 10,785 annotated genes. To understand the ligand-receptor signaling pathway in rotifers in response to environmental cues, we identified 401 G protein-coupled receptor (GPCR) genes in the P. similis genome and compared them with those from other species. The 401 full-length GPCR genes were classified into five distinct classes: A (363), B (18), C (7), F (2), and other (11). Most GPCR gene families have undergone sporadic evolutionary processes. However, some classes were highly conserved between species. Overall, this result provides new information about GPCR-based signaling pathways and the evolution of GPCRs in the minute rotifer P. similis, and it expands our knowledge of ligand-receptor signaling pathways in response to various environmental cues.
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Affiliation(s)
- Duck-Hyun Kim
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Min-Sub Kim
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Atsushi Hagiwara
- Graduate School of Fisheries and Environmental Sciences, Nagasaki University, Nagasaki 852-8521, Japan; Organization for Marine Science and Technology, Nagasaki University, Nagasaki 852-8521, Japan
| | - Jae-Seong Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea.
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24
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Saxena S, Singh RK. Chemokines orchestrate tumor cells and the microenvironment to achieve metastatic heterogeneity. Cancer Metastasis Rev 2021; 40:447-476. [PMID: 33959849 PMCID: PMC9863248 DOI: 10.1007/s10555-021-09970-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 04/22/2021] [Indexed: 01/26/2023]
Abstract
Chemokines, a subfamily of the cell cytokines, are low molecular weight proteins known to induce chemotaxis in leukocytes in response to inflammatory and pathogenic signals. A plethora of literature demonstrates that chemokines and their receptors regulate tumor progression and metastasis. With these diverse functionalities, chemokines act as a fundamental link between the tumor cells and their microenvironment. Recent studies demonstrate that the biology of chemokines and their receptor in metastasis is complex as numerous chemokines are involved in regulating site-specific tumor growth and metastasis. Successful treatment of disseminated cancer is a significant challenge. The most crucial problem for treating metastatic cancer is developing therapy regimes capable of overcoming heterogeneity problems within primary tumors and among metastases and within metastases (intralesional). This heterogeneity of malignant tumor cells can be related to metastatic potential, response to chemotherapy or specific immunotherapy, and many other factors. In this review, we have emphasized the role of chemokines in the process of metastasis and metastatic heterogeneity. Individual chemokines may not express the full potential to address metastatic heterogeneity, but chemokine networks need exploration. Understanding the interplay between chemokine-chemokine receptor networks between the tumor cells and their microenvironment is a novel approach to overcome the problem of metastatic heterogeneity. Recent advances in the understanding of chemokine networks pave the way for developing a potential targeted therapeutic strategy to treat metastatic cancer.
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Affiliation(s)
- Sugandha Saxena
- Department of Pathology and Microbiology, University of Nebraska Medical Center, 985900 Nebraska Medical Center, Omaha, NE, 68198-5900, USA
| | - Rakesh K Singh
- Department of Pathology and Microbiology, University of Nebraska Medical Center, 985900 Nebraska Medical Center, Omaha, NE, 68198-5900, USA.
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25
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Lopez-Bergami P, Barbero G. The emerging role of Wnt5a in the promotion of a pro-inflammatory and immunosuppressive tumor microenvironment. Cancer Metastasis Rev 2021; 39:933-952. [PMID: 32435939 DOI: 10.1007/s10555-020-09878-7] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Wnt5a is the prototypical activator of the non-canonical Wnt pathways, and its overexpression has been implicated in the progression of several tumor types by promoting cell motility, invasion, EMT, and metastasis. Recent evidences have revealed a novel role of Wnt5a in the phosphorylation of the NF-κB subunit p65 and the activation of the NF-κB pathway in cancer cells. In this article, we review the molecular mechanisms and mediators defining a Wnt5a/NF-κB signaling pathway and propose that the aberrant expression of Wnt5a in some tumors drives a Wnt5a/NF-κB/IL-6/STAT3 positive feedback loop that amplifies the effects of Wnt5a. The evidences discussed here suggest that Wnt5a has a double effect on the tumor microenvironment. First, it activates an autocrine ROR1/Akt/p65 pathway that promotes inflammation and chemotaxis of immune cells. Then, Wnt5a activates a TLR/MyD88/p50 pathway exclusively in myelomonocytic cells promoting the synthesis of the anti-inflammatory cytokine IL-10 and a tolerogenic phenotype. As a result of these mechanisms, Wnt5a plays a negative role on immune cell function that contributes to an immunosuppressive tumor microenvironment and would contribute to resistance to immunotherapy. Finally, we summarized the development of different strategies targeting either Wnt5a or the Wnt5a receptor ROR1 that can be helpful for cancer therapy by contributing to generate a more immunostimulatory tumor microenvironment.
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Affiliation(s)
- Pablo Lopez-Bergami
- Centro de Estudios Biomédicos, Básicos, Aplicados y Desarrollo (CEBBAD), Universidad Maimonides, Hidalgo 775, Buenos Aires, Argentina. .,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.
| | - Gastón Barbero
- Centro de Estudios Biomédicos, Básicos, Aplicados y Desarrollo (CEBBAD), Universidad Maimonides, Hidalgo 775, Buenos Aires, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
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26
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Tsujimoto H, Kobayashi M, Sugasawa H, Ono S, Kishi Y, Ueno H. Potential mechanisms of tumor progression associated with postoperative infectious complications. Cancer Metastasis Rev 2021; 40:285-296. [PMID: 33389285 DOI: 10.1007/s10555-020-09945-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 11/24/2020] [Indexed: 02/06/2023]
Abstract
There is increasing evidence that postoperative infectious complications (PICs) are associated with poor prognosis after potentially curative surgery. However, the role that PICs play in tumor development remains unclear. In this article, we reviewed the literature for novel insights on the mechanisms of cancer progression associated with PICs. The Medline and EMBASE databases were searched for publications regarding the role of suppression of antitumor immunity by PIC in tumor progression and selected 916 manuscripts were selected for this review. In addition, a summary of the authors' own experimental data from this field was set in the context of current knowledge regarding cancer progression under septic conditions. Initially, sepsis/microbial infection dramatically activates the systemic immune system with increases in pro-inflammatory mediators, which results in the development of systemic inflammatory response syndrome; however, when sepsis persists in septic patients, a shift toward an anti-inflammatory immunosuppressive state, characterized by macrophage deactivation, reduced antigen presentation, T cell anergy, and a shift in the T helper cell pattern to a predominantly TH2-type response, occurs. Thus, various cytokine reactions and the immune status dynamically change during microbial infection, including PIC. We proposed three possible mechanisms for the tumor progression associated with PIC: first, a mechanism in which microbes and/or microbial PAMPs may be directly involved in cancer growth; second, a mechanism in which factors released from immunocompetent cells during infections may affect tumor progression; and third, a mechanism in which factors suppress host tumor immunity during infections, which may result in tumor progression. A more detailed understanding by surgeons of the immunological features in cancer patients with PIC can subsequently open new avenues for improving unfavorable long-term oncological outcomes associated with PICs.
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Affiliation(s)
- Hironori Tsujimoto
- Department of Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, 359-8513, Japan.
| | - Minako Kobayashi
- Department of Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, 359-8513, Japan
| | - Hidekazu Sugasawa
- Department of Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, 359-8513, Japan
| | - Satoshi Ono
- Department of Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, 359-8513, Japan
| | - Yoji Kishi
- Department of Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, 359-8513, Japan
| | - Hideki Ueno
- Department of Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, 359-8513, Japan
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27
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O'Bryan SM, Mathis JM. CXCL12 Retargeting of an Oncolytic Adenovirus Vector to the Chemokine CXCR4 and CXCR7 Receptors in Breast Cancer. ACTA ACUST UNITED AC 2021; 12:311-336. [PMID: 34178415 DOI: 10.4236/jct.2021.126029] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Breast cancer is the most frequently diagnosed cancer in women under 60, and the second most diagnosed cancer in women over 60. While significant progress has been made in developing targeted therapies for breast cancer, advanced breast cancer continues to have high mortality, with poor 5-year survival rates. Thus, current therapies are insufficient in treating advanced stages of breast cancer; new treatments are sorely needed to address the complexity of advanced-stage breast cancer. Oncolytic virotherapy has been explored as a therapeutic approach capable of systemic administration, targeting cancer cells, and sparing normal tissue. In particular, oncolytic adenoviruses have been exploited as viral vectors due to their ease of manipulation, production, and demonstrated clinical safety profile. In this study, we engineered an oncolytic adenovirus to target the chemokine receptors CXCR4 and CXCR7. The overexpression of CXCR4 and CXCR7 is implicated in the initiation, survival, progress, and metastasis of breast cancer. Both receptors bind to the ligand, CXCL12 (SDF-1), which has been identified to play a crucial role in the metastasis of breast cancer cells. This study incorporated a T4 fibritin protein fused to CXCL12 into the tail domain of an adenovirus fiber to retarget the vector to the CXCR4 and CXCR7 chemokine receptors. We showed that the modified virus targets and infects CXCR4- and CXCR7-overexpressing breast cancer cells more efficiently than a wild-type control vector. In addition, the substitution of the wild-type fiber and knob with the modified chimeric fiber did not interfere with oncolytic capability. Overall, the results of this study demonstrate the feasibility of retargeting adenovirus vectors to chemokine receptor-positive tumors.
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Affiliation(s)
- Samia M O'Bryan
- Department of Comparative Biomedical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana USA
| | - J Michael Mathis
- Department of Comparative Biomedical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana USA.,University of North Texas Health Science Center, Graduate School of Biomedical Sciences, Fort Worth, Texas, USA
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28
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Salem A, Alotaibi M, Mroueh R, Basheer HA, Afarinkia K. CCR7 as a therapeutic target in Cancer. Biochim Biophys Acta Rev Cancer 2020; 1875:188499. [PMID: 33385485 DOI: 10.1016/j.bbcan.2020.188499] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 12/24/2020] [Accepted: 12/24/2020] [Indexed: 02/06/2023]
Abstract
The CCR7 chemokine axis is comprised of chemokine ligand 21 (CCL21) and chemokine ligand 19 (CCL19) acting on chemokine receptor 7 (CCR7). This axis plays two important but apparently opposing roles in cancer. On the one hand, this axis is significantly engaged in the trafficking of a number of effecter cells involved in mounting an immune response to a growing tumour. This suggests therapeutic strategies which involve potentiation of this axis can be used to combat the spread of cancer. On the other hand, the CCR7 axis plays a significant role in controlling the migration of tumour cells towards the lymphatic system and metastasis and can thus contribute to the expansion of cancer. This implies that therapeutic strategies which involve decreasing signaling through the CCR7 axis would have a beneficial effect in preventing dissemination of cancer. This dichotomy has partly been the reason why this axis has not yet been exploited, as other chemokine axes have, as a therapeutic target in cancer. Recent report of a crystal structure for CCR7 provides opportunities to exploit this axis in developing new cancer therapies. However, it remains unclear which of these two strategies, potentiation or antagonism of the CCR7 axis, is more appropriate for cancer therapy. This review brings together the evidence supporting both roles of the CCR7 axis in cancer and examines the future potential of each of the two different therapeutic approaches involving the CCR7 axis in cancer.
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Affiliation(s)
- Anwar Salem
- Institute of Cancer Therapeutics, University of Bradford; Bradford BD7 1DP, United Kingdom
| | - Mashael Alotaibi
- Institute of Cancer Therapeutics, University of Bradford; Bradford BD7 1DP, United Kingdom
| | - Rima Mroueh
- Institute of Cancer Therapeutics, University of Bradford; Bradford BD7 1DP, United Kingdom
| | - Haneen A Basheer
- Faculty of Pharmacy, Zarqa University, PO Box 132222, Zarqa 13132, Jordan
| | - Kamyar Afarinkia
- Institute of Cancer Therapeutics, University of Bradford; Bradford BD7 1DP, United Kingdom.
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29
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Xu J, Nie H, He J, Wang X, Liao K, Tu L, Xiong Z. Using Machine Learning Modeling to Explore New Immune-Related Prognostic Markers in Non-Small Cell Lung Cancer. Front Oncol 2020; 10:550002. [PMID: 33215029 PMCID: PMC7665579 DOI: 10.3389/fonc.2020.550002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 09/30/2020] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVE To find new immune-related prognostic markers for non-small cell lung cancer (NSCLC). METHODS We found GSE14814 is related to NSCLC in GEO database. The non-small cell lung cancer observation (NSCLC-OBS) group was evaluated for immunity and divided into high and low groups for differential gene screening according to the score of immune evaluation. A single factor COX regression analysis was performed to select the genes related to prognosis. A prognostic model was constructed by machine learning, and test whether the model has a test efficacy for prognosis. A chip-in-chip non-small cell lung cancer chemotherapy (NSCLC-ACT) sample was used as a validation dataset for the same validation and prognostic analysis of the model. The coexpression genes of hub genes were obtained by pearson analysis and gene enrichment, function enrichment and protein interaction analysis. The tumor samples of patients with different clinical stages were detected by immunohistochemistry and the expression difference of prognostic genes in tumor tissues of patients with different stages was compared. RESULTS By screening, we found that LYN, C3, COPG2IT1, HLA.DQA1, and TNFRSF17 is closely related to prognosis. After machine learning, we constructed the immune prognosis model from these 5 genes, and the model AUC values were greater than 0.9 at three time periods of 1, 3, and 5 years; the total survival period of the low-risk group was significantly better than that of the high-risk group. The results of prognosis analysis in ACT samples were consistent with OBS groups. The coexpression genes are mainly involved B cell receptor signaling pathway and are mainly enriched in apoptotic cell clearance. Prognostic key genes are highly correlated with PDCD1, PDCD1LG2, LAG3, and CTLA4 immune checkpoints. The immunohistochemical results showed that the expression of COPG2IT1 and HLA.DQA1 in stage III increased significantly and the expression of LYN, C3, and TNFRSF17 in stage III decreased significantly compared with that of stage I. The experimental results are consistent with the previous analysis. CONCLUSION LYN, C3, COPG2IT1, LA.DQA1, and NFRSF17 may be new immune markers to judge the prognosis of patients with non-small cell lung cancer.
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Affiliation(s)
- Jiasheng Xu
- Department of Pathology, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Han Nie
- Department of Vascular Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jiarui He
- Department of Vascular Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Xinlu Wang
- Department of Vascular Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Kaili Liao
- Department of Clinical Laboratory, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Luxia Tu
- Department of Pathology, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Zhenfang Xiong
- Department of Pathology, The First Affiliated Hospital of Nanchang University, Nanchang, China
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30
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Duan H, He H, Hu Q, Lin Y, Cao S, Lan X, Li L, Pang D. Comparison of regulatory networks of E74-like factor 1 and cold-shock domain-containing E1 in breast cancer cell lines using ChIP datasets. Exp Ther Med 2020; 20:245. [PMID: 33178343 PMCID: PMC7651883 DOI: 10.3892/etm.2020.9375] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 05/01/2020] [Indexed: 12/25/2022] Open
Abstract
In the present study, differences in the expression of target genes between chromatin immunoprecipitation sequencing (ChIP-seq) datasets of breast cancer MCF-7 cells treated with antibodies to E74-like factor 1 (ELF1) and cold-shock domain-containing E1 (CSDE1) were analyzed and gene regulatory networks were established. The datasets were downloaded from the Gene Expression Omnibus (GEO) database. ELF1-associated target genes and CSDE1-associated target genes were analyzed for functional prediction and protein-protein interaction (PPI) networks. The ELF1 ChIP-seq dataset contained 95 ELF1-associated target genes, while the CSDE1 ChIP-seq dataset contained 826 CSDE1-associated target genes. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis indicated that the ELF1- and CSDE1-associated target genes had different potential functions and signaling pathways. The ELF1-associated target genes were mainly enriched in the GO terms of molecular transducer activity, catalytic activity, cellular processes and response to sensitivity, and in the KEGG pathways of olfactory transduction, the chemokine signaling pathway, carbohydrate digestion and absorption, and starch and sucrose metabolism. The CSDE1-associated target genes were mainly enriched in the GO terms of binding, transcription regulator activity, cellular processes and metabolic processes, and in the KEGG pathways of ribosome, metabolic pathways, endocytosis, oxidative phosphorylation and transcriptional misregulation in cancer. PPI network analysis revealed that the ELF1 regulatory network primarily regulated chemokine-mediated malignant tumor cells, while the CSDE1 regulatory network mainly regulated ribosomes, metabolic pathways and oxidative phosphorylation. Reverse transcription-quantitative PCR indicated that ELF1 overexpression led to significant downregulation of C-X-C motif chemokine-8 and -6 expression levels in MCF-7 cells, while overexpression of CSDE1 significantly induced the mRNA expression of CSDE1-associated target genes, which included mitochondrial ribosomal protein L4, NADH: ubiquinone oxidoreductase subunit B7, small nuclear ribonucleoprotein polypeptide E, ribosomal protein S26 (RPS26), RPS11 and RPS6, in the MCF-7 cells. In breast cancer MCF-7 cells, the target genes and regulatory pathways of ELF1 and CSDE1 were different. Understanding these regulatory pathways may help to develop strategies for personalized breast cancer treatment.
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Affiliation(s)
- Haibo Duan
- Department of Breast Cancer Medicine, The First People's Hospital of Foshan, Foshan, Guangdong 528000, P.R. China
| | - Huafang He
- Department of Radiotherapy, The First People's Hospital of Foshan, Foshan, Guangdong 528000, P.R. China
| | - Qian Hu
- Department of Breast Cancer Medicine, The First People's Hospital of Foshan, Foshan, Guangdong 528000, P.R. China
| | - Yingxin Lin
- Department of Breast Cancer Medicine, The First People's Hospital of Foshan, Foshan, Guangdong 528000, P.R. China
| | - Shuo Cao
- Department of Breast Cancer Medicine, The First People's Hospital of Foshan, Foshan, Guangdong 528000, P.R. China
| | - Xiaoshan Lan
- Department of Breast Cancer Medicine, The First People's Hospital of Foshan, Foshan, Guangdong 528000, P.R. China
| | - Litao Li
- Department of Breast Cancer Medicine, The First People's Hospital of Foshan, Foshan, Guangdong 528000, P.R. China
| | - Danmei Pang
- Department of Breast Cancer Medicine, The First People's Hospital of Foshan, Foshan, Guangdong 528000, P.R. China
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31
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Bianchi ME, Mezzapelle R. The Chemokine Receptor CXCR4 in Cell Proliferation and Tissue Regeneration. Front Immunol 2020; 11:2109. [PMID: 32983169 PMCID: PMC7484992 DOI: 10.3389/fimmu.2020.02109] [Citation(s) in RCA: 137] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 08/04/2020] [Indexed: 12/13/2022] Open
Abstract
The CXCR4 receptor upon binding its ligands triggers multiple signaling pathways that orchestrate cell migration, hematopoiesis and cell homing, and retention in the bone marrow. However, CXCR4 also directly controls cell proliferation of non-hematopoietic cells. This review focuses on recent reports pointing to its pivotal role in tissue regeneration and stem cell activation, and discusses the connection to the known role of CXCR4 in promoting tumor growth. The mechanisms may be similar in all cases, since regeneration often recapitulates developmental processes, and cancer often exploits developmental pathways. Moreover, cell migration and cell proliferation appear to be downstream of the same signaling pathways. A deeper understanding of the complex signaling originating from CXCR4 is needed to exploit the opportunities to repair damaged organs safely and effectively.
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Affiliation(s)
- Marco E Bianchi
- Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, Milan, Italy.,Vita-Salute San Raffaele University, Milan, Italy
| | - Rosanna Mezzapelle
- Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, Milan, Italy.,Vita-Salute San Raffaele University, Milan, Italy
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32
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Basuli F, Zhang X, Phelps TE, Jagoda EM, Choyke PL, Swenson RE. Automated Synthesis of Fluorine-18 Labeled CXCR4 Ligand via the Conjugation with Nicotinic Acid N-Hydroxysuccinimide Ester (6-[ 18F]SFPy). Molecules 2020; 25:E3924. [PMID: 32867358 PMCID: PMC7504725 DOI: 10.3390/molecules25173924] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 08/18/2020] [Accepted: 08/25/2020] [Indexed: 12/13/2022] Open
Abstract
The C-X-C motif chemokine receptor 4 (CXCR4) is a seven-transmembrane G protein-coupled receptor that is overexpressed in numerous diseases, particularly in various cancers and is a powerful chemokine, attracting cells to the bone marrow niche. Therefore, CXCR4 is an attractive target for imaging and therapeutic purposes. The goal of this study is to develop an efficient, reproducible, and straightforward method to prepare a fluorine-18 labeled CXCR4 ligand. 6-[18F]Fluoronicotinic acid-2,3,5,6-tetrafluorophenyl ester (6-[18F]FPy-TFP) and nicotinic acid N-hydroxysuccinimide ester (6-[18F]SFPy) have been prepared using 'fluorination on the Sep-Pak' method. Conjugation of 6-[18F]SFPy or 6-[18F]FPy-TFP with the alpha-amino group at the N terminus of the protected T140 precursor followed by deprotection, yielded the final product 6-[18F]FPy-T140. The overall radiochemical yields were 6-17% (n = 15, decay-corrected) in a 90-min radiolabeling time with a radiochemical purity >99%. 6-[18F]FPy-T140 exhibited high specific binding and nanomolar affinity for CXCR4 in vitro, indicating that the biological activity of the peptide was preserved. For the first time, [18F]SFPy has been prepared using 'fluorination on the Sep-Pak' method that allows rapid automated synthesis of 6-[18F]FPy-T140. In addition to increased synthetic efficiency, this construct binds with CXCR4 in high affinity and may have potential as an in vivo positron emission tomography (PET) imaging agent. This radiosynthesis method should encourage wider use of this PET agent to quantify CXCR4 in both research and clinical settings.
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Affiliation(s)
- Falguni Basuli
- Chemistry and Synthesis Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Rockville, MD 20892, USA; (X.Z.); (R.E.S.)
| | - Xiang Zhang
- Chemistry and Synthesis Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Rockville, MD 20892, USA; (X.Z.); (R.E.S.)
| | - Tim E. Phelps
- Molecular Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; (T.E.P.); (E.M.J.); (P.L.C.)
| | - Elaine M. Jagoda
- Molecular Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; (T.E.P.); (E.M.J.); (P.L.C.)
| | - Peter L. Choyke
- Molecular Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; (T.E.P.); (E.M.J.); (P.L.C.)
| | - Rolf E. Swenson
- Chemistry and Synthesis Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Rockville, MD 20892, USA; (X.Z.); (R.E.S.)
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33
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Role of the Bone Marrow Milieu in Multiple Myeloma Progression and Therapeutic Resistance. CLINICAL LYMPHOMA MYELOMA & LEUKEMIA 2020; 20:e752-e768. [PMID: 32651110 DOI: 10.1016/j.clml.2020.05.026] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 05/22/2020] [Accepted: 05/29/2020] [Indexed: 01/10/2023]
Abstract
Multiple myeloma (MM) is a cancer of the plasma cells within the bone marrow (BM). Studies have shown that the cellular and noncellular components of the BM milieu, such as cytokines and exosomes, play an integral role in MM pathogenesis and progression by mediating drug resistance and inducing MM proliferation. Moreover, the BM microenvironment of patients with MM facilitates cancer tolerance and immune evasion through the expansion of regulatory immune cells, inhibition of antitumor effector cells, and disruption of the antigen presentation machinery. These are of special relevance, especially in the current era of cancer immunotherapy. An improved understanding of the supportive role of the MM BM microenvironment will allow for the development of future therapies targeting MM in the context of the BM milieu to elicit deeper and more durable responses. In the present review, we have discussed our current understanding of the role of the BM microenvironment in MM progression and resistance to therapy and discuss novel potential approaches to alter its pro-MM function.
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34
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Aguiar TFM, Rivas MP, Costa S, Maschietto M, Rodrigues T, Sobral de Barros J, Barbosa AC, Valieris R, Fernandes GR, Bertola DR, Cypriano M, Caminada de Toledo SR, Major A, Tojal I, Apezzato MLDP, Carraro DM, Rosenberg C, Lima da Costa CM, Cunha IW, Sarabia SF, Terrada DL, Krepischi ACV. Insights Into the Somatic Mutation Burden of Hepatoblastomas From Brazilian Patients. Front Oncol 2020; 10:556. [PMID: 32432034 PMCID: PMC7214543 DOI: 10.3389/fonc.2020.00556] [Citation(s) in RCA: 146] [Impact Index Per Article: 36.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 03/27/2020] [Indexed: 12/23/2022] Open
Abstract
Hepatoblastoma is a very rare embryonal liver cancer supposed to arise from the impairment of hepatocyte differentiation during embryogenesis. In this study, we investigated by exome sequencing the burden of somatic mutations in a cohort of 10 hepatoblastomas, including a congenital case. Our data disclosed a low mutational background and pointed out to a novel set of candidate genes for hepatoblastoma biology, which were shown to impact gene expression levels. Only three recurrently mutated genes were detected: CTNNB1 and two novel candidates, CX3CL1 and CEP164. A relevant finding was the identification of a recurrent mutation (A235G) in two hepatoblastomas at the CX3CL1 gene; evaluation of RNA and protein expression revealed upregulation of CX3CL1 in tumors. The analysis was replicated in two independents cohorts, substantiating that an activation of the CX3CL1/CX3CR1 pathway occurs in hepatoblastomas. In inflammatory regions of hepatoblastomas, CX3CL1/CX3CR1 were not detected in the infiltrated lymphocytes, in which they should be expressed in normal conditions, whereas necrotic regions exhibited negative labeling in tumor cells, but strongly positive infiltrated lymphocytes. Altogether, these data suggested that CX3CL1/CX3CR1 upregulation may be a common feature of hepatoblastomas, potentially related to chemotherapy response and progression. In addition, three mutational signatures were identified in hepatoblastomas, two of them with predominance of either the COSMIC signatures 1 and 6, found in all cancer types, or the COSMIC signature 29, mostly related to tobacco chewing habit; a third novel mutational signature presented an unspecific pattern with an increase of C>A mutations. Overall, we present here novel candidate genes for hepatoblastoma, with evidence that CX3CL1/CX3CR1 chemokine signaling pathway is likely involved with progression, besides reporting specific mutational signatures.
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Affiliation(s)
- Talita Ferreira Marques Aguiar
- International Center for Research, A. C. Camargo Cancer Center, São Paulo, Brazil.,Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | - Maria Prates Rivas
- Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | - Silvia Costa
- Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | | | - Tatiane Rodrigues
- Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | - Juliana Sobral de Barros
- Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | - Anne Caroline Barbosa
- Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | - Renan Valieris
- International Center for Research, A. C. Camargo Cancer Center, São Paulo, Brazil
| | - Gustavo R Fernandes
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo, Brazil
| | - Debora R Bertola
- Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | - Monica Cypriano
- Adolescent and Child With Cancer Support Group (GRAACC), Department of Pediatric, Federal University of São Paulo, São Paulo, Brazil
| | - Silvia Regina Caminada de Toledo
- Adolescent and Child With Cancer Support Group (GRAACC), Department of Pediatric, Federal University of São Paulo, São Paulo, Brazil
| | - Angela Major
- Department of Pathology and Immunology, Texas Children's Hospital and Baylor College of Medicine, Houston, TX, United States
| | - Israel Tojal
- International Center for Research, A. C. Camargo Cancer Center, São Paulo, Brazil
| | | | - Dirce Maria Carraro
- International Center for Research, A. C. Camargo Cancer Center, São Paulo, Brazil
| | - Carla Rosenberg
- Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | | | - Isabela W Cunha
- Department of Pathology, Rede D'OR-São Luiz, São Paulo, Brazil.,Department of Pathology, A. C. Camargo Cancer Center, São Paulo, Brazil
| | - Stephen Frederick Sarabia
- Department of Pathology and Immunology, Texas Children's Hospital and Baylor College of Medicine, Houston, TX, United States
| | - Dolores-López Terrada
- Department of Pathology and Immunology, Texas Children's Hospital and Baylor College of Medicine, Houston, TX, United States.,Department of Pediatrics, Texas Children's Cancer Center, Houston, TX, United States.,Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX, United States
| | - Ana Cristina Victorino Krepischi
- Department of Genetics and Evolutionary Biology, Human Genome and Stem-Cell Research Center, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
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Therapy-Induced Changes in CXCR4 Expression in Tumor Xenografts Can Be Monitored Noninvasively with N-[ 11C]Methyl-AMD3465 PET. Mol Imaging Biol 2019; 22:883-890. [PMID: 31802362 PMCID: PMC7343732 DOI: 10.1007/s11307-019-01447-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Purpose Chemokine CXCL12 and its receptor CXCR4 are constitutively overexpressed in human cancers. The CXCL12-CXCR4 signaling axis plays an important role in tumor progression and metastasis, but also in treatment-induced recruitment of CXCR4-expressing cytotoxic immune cells. Here, we aimed to demonstrate the feasibility of N-[11C]methyl-AMD3465 positron emission tomography (PET) to monitor changes in CXCR4 density in tumors after single-fraction local radiotherapy or in combination with immunization. Procedure TC-1 cells expressing human papillomavirus antigens E6 and E7 were inoculated into the C57BL/6 mice subcutaneously. Two weeks after tumor cell inoculation, mice were irradiated with a single-fraction 14-Gy dose of X-ray. One group of irradiated mice was immunized with an alpha-viral vector vaccine, SFVeE6,7, and another group received daily injections of the CXCR4 antagonist AMD3100 (3 mg/kg -intraperitoneal (i.p.)). Seven days after irradiation, all animals underwent N-[11C]methyl-AMD3465 PET. Results PET imaging showed N-[11C]methyl-AMD3465 uptake in the tumor of single-fraction irradiated mice was nearly 2.5-fold higher than in sham-irradiated tumors (1.07 ± 0.31 %ID/g vs. 0.42 ± 0.05 % ID/g, p < 0.01). The tumor uptake was further increased by 4-fold (1.73 ± 0.17 % ID/g vs 0.42 ± 0.05 % ID/g, p < 0.01) in mice treated with single-fraction radiotherapy in combination with SFVeE6,7 immunization. Administration of AMD3100 caused a 4.5-fold reduction in the tracer uptake in the tumor of irradiated animals (0.24 ± 0.1 % ID/g, p < 0.001), suggesting that tracer uptake is indeed due to CXCR4-mediated chemotaxis. Conclusion This study demonstrates the feasibility of N-[11C]methyl-AMD3465 PET imaging to monitor treatment-induced changes in the density of CXCR4 receptors in tumors and justifies further evaluation of CXCR4 as a potential imaging biomarker for evaluation of anti-tumor therapies.
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Yaghoubi A, Khazaei M, Hasanian SM, Avan A, C. Cho W, Soleimanpour S. Bacteriotherapy in Breast Cancer. Int J Mol Sci 2019; 20:E5880. [PMID: 31771178 PMCID: PMC6928964 DOI: 10.3390/ijms20235880] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 11/15/2019] [Accepted: 11/18/2019] [Indexed: 12/24/2022] Open
Abstract
Breast cancer is the second most common cause of cancer-related mortality among women around the world. Conventional treatments in the fight against breast cancer, such as chemotherapy, are being challenged regarding their effectiveness. Thus, strategies for the treatment of breast cancer need to be continuously refined to achieve a better patient outcome. We know that a number of bacteria are pathogenic and some are even associated with tumor development, however, recent studies have demonstrated interesting results suggesting some bacteria may have potential for cancer therapy. Therefore, the therapeutic role of bacteria has aroused attention in medical and pharmaceutical studies. Furthermore, genetic engineering has been used in bacterial therapy and may led to greater efficacy with few side effects. Some genetically modified non-pathogenic bacterial species are more successful due to their selectivity for cancer cells but with low toxicity for normal cells. Some live, attenuated, or genetically modified bacterias are capable to multiply in tumors and inhibit their growth. This article aims to review the role of bacteria and their products including bacterial peptides, bacteriocins, and toxins for the treatment of breast cancer.
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Affiliation(s)
- Atieh Yaghoubi
- Antimicrobial Resistance Research Center, Bu-Ali Research Institute, Mashhad University of Medical Sciences, Mashhad 91387-35499, Iran;
- Department of Microbiology and Virology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad 91387-35499, Iran
| | - Majid Khazaei
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad 9138735499, Iran;
| | - Seyed Mahdi Hasanian
- Department of Medical Biochemistry, Faculty of Medicine, Mashhad University of Medical, Sciences, Mashhad 91387-35499, Iran;
| | - Amir Avan
- Cancer Research Center, Mashhad University of Medical Sciences, Mashhad 91387-35499, Iran;
| | - William C. Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Kowloon, Hong Kong
| | - Saman Soleimanpour
- Antimicrobial Resistance Research Center, Bu-Ali Research Institute, Mashhad University of Medical Sciences, Mashhad 91387-35499, Iran;
- Department of Microbiology and Virology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad 91387-35499, Iran
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Mishra-Gorur K, Li D, Ma X, Yarman Y, Xue L, Xu T. Spz/Toll-6 signal guides organotropic metastasis in Drosophila. Dis Model Mech 2019; 12:dmm039727. [PMID: 31477571 PMCID: PMC6826028 DOI: 10.1242/dmm.039727] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 08/20/2019] [Indexed: 12/23/2022] Open
Abstract
Targeted cell migration plays important roles in developmental biology and disease processes, including in metastasis. Drosophila tumors exhibit traits characteristic of human cancers, providing a powerful model to study developmental and cancer biology. We now find that cells derived from Drosophila eye-disc tumors also display organ-specific metastasis, invading receptive organs but not wing disc. Toll receptors are known to affect innate immunity and the tumor inflammatory microenvironment by modulating the NF-κB pathway. Our RNA interference (RNAi) screen and genetic analyses show that Toll-6 is required for migration and invasion of the tumor cells. Further, receptive organs express Toll ligands [Spätzle (Spz) family molecules], and ectopic Spz expression renders the wing disc receptive to metastasis. Finally, Toll-6 promotes metastasis by activating JNK signaling, a key regulator of cell migration. Hence, we report Toll-6 and Spz as a new pair of guidance molecules mediating organ-specific metastatic behavior and highlight a novel signaling mechanism for Toll-family receptors.
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Affiliation(s)
- Ketu Mishra-Gorur
- Howard Hughes Medical Institute, Department of Genetics, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Daming Li
- Howard Hughes Medical Institute, Department of Genetics, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Xianjue Ma
- Howard Hughes Medical Institute, Department of Genetics, Yale University School of Medicine, New Haven, CT 06519, USA
- School of Life Sciences, Westlake University, 18 Shilongshan Road, Hangzhou 310024, China
| | - Yanki Yarman
- Department of Neurosurgery, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Lei Xue
- Howard Hughes Medical Institute, Department of Genetics, Yale University School of Medicine, New Haven, CT 06519, USA
- Shanghai Key Laboratory for Signaling and Diseases, School of Life Science and Technology, Tongji University, Shanghai 200092, China
| | - Tian Xu
- Howard Hughes Medical Institute, Department of Genetics, Yale University School of Medicine, New Haven, CT 06519, USA
- School of Life Sciences, Westlake University, 18 Shilongshan Road, Hangzhou 310024, China
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Cai F, Dai C, Chen S, Wu Q, Liu X, Hong Y, Wang Z, Li L, Yan W, Wang R, Zhang J. CXCL12-regulated miR-370-3p functions as a tumor suppressor gene by targeting HMGA2 in nonfunctional pituitary adenomas. Mol Cell Endocrinol 2019; 488:25-35. [PMID: 30853598 DOI: 10.1016/j.mce.2019.02.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 01/26/2019] [Accepted: 02/22/2019] [Indexed: 12/27/2022]
Abstract
Silencing of noncoding genes within the imprinted DLK1-MEG3 locus is exclusive to human nonfunctional pituitary adenomas (NFPAs), but the exact mechanism is still unclear. This study was designed to demonstrate the impact of CXCL12 on the expression of miRNAs within this locus and phenotypic alterations of NFPAs. Human NFPA samples were collected for screening differentially expressed miRNAs by CXCL12. Target mRNAs of the miRNAs were predicted and verified in vitro. Tumor phenotypic alterations were also tested. Another 51 NFPA samples were enrolled to examine the correlation and clinical features. The expression of miR-370 was decreased by CXCL12 treatment in NFPAs. miR-370-3p was predicted and verified to target HMGA2 as a tumor suppressor gene. Overexpression of HMGA2 inhibited its antitumor function. miR-370-3p was downregulated and HMGA2 was upregulated significantly in High grade NFPAs. In conclusion, the CXCL12/miR-370-3p/HMGA2 signaling pathway is involved in tumor growth and invasiveness of NFPAs.
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Affiliation(s)
- Feng Cai
- The Dept. of Neurosurgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, The City of Hangzhou, Zhejiang Province, PR China
| | - Congxin Dai
- The Dept. of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
| | - Shasha Chen
- Zhejiang Provincial Key Lab of Geriatrics, Dept. of Geriatrics, Zhejiang Hospital, Hangzhou, Zhejiang Province, PR China
| | - Qun Wu
- The Dept. of Neurosurgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, The City of Hangzhou, Zhejiang Province, PR China
| | - Xiaohai Liu
- The Dept. of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
| | - Yuan Hong
- The Dept. of Neurosurgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, The City of Hangzhou, Zhejiang Province, PR China
| | - Zhen Wang
- The Dept. of Neurosurgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, The City of Hangzhou, Zhejiang Province, PR China
| | - Li Li
- The Dept. of Neurosurgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, The City of Hangzhou, Zhejiang Province, PR China
| | - Wei Yan
- The Dept. of Neurosurgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, The City of Hangzhou, Zhejiang Province, PR China
| | - Renzhi Wang
- The Dept. of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China.
| | - Jianmin Zhang
- The Dept. of Neurosurgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, The City of Hangzhou, Zhejiang Province, PR China.
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Shanmugam MK, Ahn KS, Hsu A, Woo CC, Yuan Y, Tan KHB, Chinnathambi A, Alahmadi TA, Alharbi SA, Koh APF, Arfuso F, Huang RYJ, Lim LHK, Sethi G, Kumar AP. Thymoquinone Inhibits Bone Metastasis of Breast Cancer Cells Through Abrogation of the CXCR4 Signaling Axis. Front Pharmacol 2018; 9:1294. [PMID: 30564115 PMCID: PMC6288203 DOI: 10.3389/fphar.2018.01294] [Citation(s) in RCA: 131] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 10/22/2018] [Indexed: 12/22/2022] Open
Abstract
Overexpression of chemokine receptor type 4 (CXCR4) has been found to be associated with increased cell proliferation, metastasis and also act as an indicator of poor prognosis in patients with breast cancer. Therefore, new agents that can abrogate CXCR4 expression have potential against breast cancer metastasis. In this study, we examined the potential effect of thymoquinone (TQ), derived from the seeds of Nigella sativa, on the expression and regulation of CXCR4 in breast cancer cells. TQ was found to inhibit the expression of CXCR4 in MDA-MB-231 triple negative breast cancer (TNBC) cells in a dose- and time-dependent manner. It was noted that suppression of CXCR4 by TQ was possibly transcriptionally regulated, as treatment with this drug caused down-regulation of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) activation and suppression of NF-κB binding to the CXCR4 promoter. Pretreatment with a proteasome inhibitor and/or lysosomal stabilization did not affect TQ induced suppression of CXCR4. Down-regulation of CXCR4 was further correlated with the inhibition of CXCL12-mediated migration and invasion of MDA-MB-231 cells. Interestingly, it was observed that the deletion of p65 could reverse the observed anti-invasive/anti-migratory effects of TQ in breast cancer cells. TQ also dose-dependently inhibited MDA-MB-231 tumor growth and tumor vascularity in a chick chorioallantoic membrane assay model. We also observed TQ (2 and 4 mg/kg) treatment significantly suppressed multiple lung, brain, and bone metastases in a dose-dependent manner in a metastasis breast cancer mouse model. Interestingly, H&E and immunohistochemical analysis of bone isolated from TQ treated mice indicated a reduction in number of osteolytic lesions and the expression of metastatic biomarkers. In conclusion, the results indicate that TQ primarily exerts its anti-metastatic effects by down-regulation of NF-κB regulated CXCR4 expression and thus has potential for the treatment of breast cancer.
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Affiliation(s)
- Muthu K Shanmugam
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Kwang Seok Ahn
- College of Korean Medicine, Kyung Hee University, Seoul, South Korea
| | - Annie Hsu
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Chern Chiuh Woo
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Yi Yuan
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.,Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Kwong Huat Benny Tan
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Arunachalam Chinnathambi
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Tahani Awad Alahmadi
- Department of Pediatrics, College of Medicine, King Khalid University Hospital, King Saud University Medical City, Riyadh, Saudi Arabia
| | - Sulaiman Ali Alharbi
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Angele Pei Fern Koh
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Frank Arfuso
- Stem Cell and Cancer Biology Laboratory, School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth, WA, Australia
| | - Ruby Yun-Ju Huang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore.,Department of Obstetrics and Gynaecology, National University Hospital, Singapore, Singapore.,Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Lina H K Lim
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.,NUS Immunology Program, Life Sciences Institute, Centre for Life Sciences, National University of Singapore, Singapore, Singapore
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Alan Prem Kumar
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.,Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore.,Medical Sciences Cluster, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.,Faculty of Health Sciences, Curtin Medical School, Curtin University, Perth, WA, Australia.,National University Cancer Institute, National University Health System, Singapore, Singapore
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Kim S, You D, Jeong Y, Yu J, Kim SW, Nam SJ, Lee JE. Berberine down-regulates IL-8 expression through inhibition of the EGFR/MEK/ERK pathway in triple-negative breast cancer cells. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2018; 50:43-49. [PMID: 30466991 DOI: 10.1016/j.phymed.2018.08.004] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 05/08/2018] [Accepted: 08/05/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND Interleukin-8 (IL-8) expression is associated with metastasis in a variety of cancer cells. PURPOSE Here, we investigated the regulatory mechanism of IL-8 expression as well as the pharmacological effect of berberine (BBR) on IL-8 expression in triple-negative breast cancer (TNBC) cells. METHODS The clinical value of IL-8 was analyzed by from a public database [Kaplan‑Meier plotter database. IL-8 mRNA and protein expression was analyzed by real-time PCR and ELISA, respectively. Cell invasion was analyzed by Boyden chamber assay. Tumor cell growth was analyzed by colony forming assay. RESULTS Clinically, we observed that breast cancer patients with highly expressed IL-8 are associated with poor outcomes in areas such as relapse-free, overall, and distant metastasis-free survival. We showed that IL-8 expression is higher in TNBC cells than in non-TNBC cells. In addition, the rates of cell invasion were significantly increased by IL-8 treatment. These IL-8 levels were decreased by EGFR (Neratinib and Afatinib) and MEK (PD98059) inhibitors in TNBC cells. Finally, we observed that BBR dramatically suppresses IL-8 expression. In addition, BBR also inhibited cell invasiveness and anchorage-independent growth. Interestingly, our results showed that BBR down-regulates EGFR protein expression and dose-dependently inhibits MEK and ERK phosphorylation. CONCLUSION Here, we demonstrate that BBR may be a promising drug to suppress cell invasiveness and growth of TNBC through IL-8-related mechanisms.
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Affiliation(s)
- Sangmin Kim
- Department of Breast Cancer Center, Samsung Medical Center, 50 Irwon-dong, Gangnam-gu, Seoul 06351, South Korea.
| | - Daeun You
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, 50 Irwon-dong, Gangnam-gu, Seoul 06351, South Korea
| | - Yisun Jeong
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, 50 Irwon-dong, Gangnam-gu, Seoul 06351, South Korea
| | - Jonghan Yu
- Department of Breast Cancer Center, Samsung Medical Center, 50 Irwon-dong, Gangnam-gu, Seoul 06351, South Korea; Department of Surgery, Samsung Medical Center, 50 Irwon-dong, Gangnam-gu, Seoul 06351, South Korea
| | - Seok Won Kim
- Department of Breast Cancer Center, Samsung Medical Center, 50 Irwon-dong, Gangnam-gu, Seoul 06351, South Korea; Department of Surgery, Samsung Medical Center, 50 Irwon-dong, Gangnam-gu, Seoul 06351, South Korea
| | - Seok Jin Nam
- Department of Breast Cancer Center, Samsung Medical Center, 50 Irwon-dong, Gangnam-gu, Seoul 06351, South Korea; Department of Surgery, Samsung Medical Center, 50 Irwon-dong, Gangnam-gu, Seoul 06351, South Korea
| | - Jeong Eon Lee
- Department of Breast Cancer Center, Samsung Medical Center, 50 Irwon-dong, Gangnam-gu, Seoul 06351, South Korea; Department of Surgery, Samsung Medical Center, 50 Irwon-dong, Gangnam-gu, Seoul 06351, South Korea; Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, 50 Irwon-dong, Gangnam-gu, Seoul 06351, South Korea.
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Vag T, Steiger K, Rossmann A, Keller U, Noske A, Herhaus P, Ettl J, Niemeyer M, Wester HJ, Schwaiger M. PET imaging of chemokine receptor CXCR4 in patients with primary and recurrent breast carcinoma. EJNMMI Res 2018; 8:90. [PMID: 30191351 PMCID: PMC6127070 DOI: 10.1186/s13550-018-0442-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Accepted: 08/19/2018] [Indexed: 12/18/2022] Open
Abstract
Background CXCR4 is a chemokine receptor frequently overexpressed in invasive breast cancer that has been shown to play a major role in signaling pathways involved in metastasis. The aim of this retrospective analysis was to assess the diagnostic performance of CXCR4-directed PET imaging in patients with breast cancer using the recently introduced CXCR4-targeted PET probe 68Ga-Pentixafor. Results Thirteen patients with first diagnosis of breast cancer, four patients with recurrent disease after primary breast cancer, and one patient with axillary lymph node metastasis of unknown primary underwent CXCR4-targeted PET imaging using 68Ga-Pentixafor. Maximum standardized uptake values (SUVmax) and tumor-to-background (T/B) ratios of tumor lesions were measured and compared with pathological prognostic factors and molecular subtypes. 18F-FDG PET/CT images were available in 8/18 cases and were compared semi-quantitatively. Comparison with CXCR4 expression determined by immunohistochemistry was performed in 7/18 patients. Nine of 13 primary breast cancers were visually detectable on 68Ga-Pentixafor PET images (mean SUVmax of 3.0). The visually undetectable lesions included both cases of invasive lobular carcinoma (ILC) and two cases of invasive carcinoma of no special type (NST) without any hormone receptor and HER2 expression (triple negative). Metastases of recurrent breast cancer and unknown primary cancer were visually detectable in all five cases, exhibiting a mean SUVmax of 3.5. 18F-FDG PET demonstrated higher SUVmax in all patients compared to 68Ga-Pentixafor PET. A correlation between SUVmax obtained from 68Ga-Pentixafor PET and prognostic factors including estrogen receptor (ER), progesterone receptor (PR), human epidermal growth factor receptor 2 (HER2) status, proliferation index, tumor grade, or molecular subtypes was not observed. Conclusions CXCR4-directed PET imaging in patients with primary and recurrent breast cancer is feasible; however, tumor detectability is significantly lower compared to 18F-FDG PET. Moreover, we did not find any correlation between aforementioned prognostic factors of breast cancer and CXCR4-targeted tracer accumulation. Based on these results in a small patient cohort, CXCR4-targeted PET imaging does not seem to be suitable as a general diagnostic tool for imaging of breast cancer. Future CXCR4 imaging studies should investigate whether this modality might be useful in more specific applications, e.g., in therapeutic approaches especially under the view of current developments in targeted immune cell and immune checkpoint inhibitory therapy.
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Affiliation(s)
- Tibor Vag
- Clinic of Nuclear Medicine, Klinikum Rechts der Isar, Technische Universität München, Ismaninger Strasse 22, 81675, Munich, Germany.
| | - Katja Steiger
- Institute of Pathology, Technische Universität München, Troger Strasse 18, 81675, Munich, Germany
| | - Andreas Rossmann
- Clinic of Nuclear Medicine, Klinikum Rechts der Isar, Technische Universität München, Ismaninger Strasse 22, 81675, Munich, Germany
| | - Ulrich Keller
- III Medical Department, Klinikum Rechts der Isar, Technische Universität München, Ismaninger Strasse 22, 81675, Munich, Germany
| | - Aurelia Noske
- Institute of Pathology, Technische Universität München, Troger Strasse 18, 81675, Munich, Germany
| | - Peter Herhaus
- III Medical Department, Klinikum Rechts der Isar, Technische Universität München, Ismaninger Strasse 22, 81675, Munich, Germany
| | - Johannes Ettl
- Clinic of Gynecology, Klinikum Rechts der Isar, Technische Universität München, Ismaninger Strasse 22, 81675, Munich, Germany
| | - Markus Niemeyer
- Clinic of Gynecology, Klinikum Rechts der Isar, Technische Universität München, Ismaninger Strasse 22, 81675, Munich, Germany
| | - Hans-Jürgen Wester
- Pharmaceutical Radiochemistry, Technische Universität München, Walther-Meissner Strasse 3, 85748, Garching, Germany
| | - Markus Schwaiger
- Clinic of Nuclear Medicine, Klinikum Rechts der Isar, Technische Universität München, Ismaninger Strasse 22, 81675, Munich, Germany
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Wang L, Zhao XY, Zhu JS, Chen NW, Fan HN, Yang W, Guo JH. CCR7 regulates ANO6 to promote migration of pancreatic ductal adenocarcinoma cells via the ERK signaling pathway. Oncol Lett 2018; 16:2599-2605. [PMID: 30013654 DOI: 10.3892/ol.2018.8962] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 11/11/2017] [Indexed: 12/26/2022] Open
Abstract
The increase in migratory ability of pancreatic ductal adenocarcinoma cells is a key event in the development of metastasis to the lymph nodes and distant organs. Although the C-C motif chemokine receptor 7 (CCR7) and its ligand, C-C motif chemokine ligand 21 (CCL21), have been revealed to serve an important role in tumor migration, their precise roles and potential underlying mechanisms remain largely unknown. The present study revealed that overexpression of CCR7 significantly promoted BxPC-3 cell migration, accompanied by the induction of anoctamin 6 (ANO6) expression, indicating that ANO6 is a downstream target of CCR7 signaling. Furthermore, the level of phosphorylated extracellular signal-regulated kinase (ERK) was significantly increased in CCR7-overexpressing BxPC-3 cells, indicating that ERK may be a potential mediator of CCR7-regulated ANO6 expression in BxPC-3 cells. To characterize the receptor-mediated pathway, a specific ERK inhibitor, U0126, was used, which reduced BxPC-3 cell migration and the expression of ANO6. In summary, the results of the present study demonstrate that CCR7 promoted BxPC-3 cell migration by regulating ANO6 expression perhaps via activation of the ERK signaling pathway.
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Affiliation(s)
- Long Wang
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Shanghai 200233, P.R. China
| | - Xiang-Yun Zhao
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Shanghai 200233, P.R. China
| | - Jin-Shui Zhu
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Shanghai 200233, P.R. China
| | - Ni-Wei Chen
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Shanghai 200233, P.R. China
| | - Hui-Ning Fan
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Shanghai 200233, P.R. China
| | - Wei Yang
- Department of Laboratory, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Shanghai 200233, P.R. China
| | - Jing-Hui Guo
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Shanghai 200233, P.R. China
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Tejchman A, Lamerant-Fayel N, Jacquinet JC, Bielawska-Pohl A, Mleczko-Sanecka K, Grillon C, Chouaib S, Ugorski M, Kieda C. Tumor hypoxia modulates podoplanin/CCL21 interactions in CCR7+ NK cell recruitment and CCR7+ tumor cell mobilization. Oncotarget 2018; 8:31876-31887. [PMID: 28416768 PMCID: PMC5458255 DOI: 10.18632/oncotarget.16311] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 10/21/2016] [Indexed: 12/25/2022] Open
Abstract
Podoplanin (PDPN), an O-glycosylated, transmembrane, mucin-type glycoprotein, is expressed by cancer associated fibroblasts (CAFs). In malignant transformation, PDPN is subjected to changes and its role is yet to be established. Here we show that it is involved in modulating the activity of the CCL21/CCR7 chemokine/receptor axis in a hypoxia-dependent manner. In the present model, breast cancer MDA-MB-231 cells and NKL3 cells express the surface CCR7 receptor for CCL21 chemokine which is a potent chemoattractant able to bind to PDPN. The impact of the CCL21/CCR7 axis in the molecular mechanism of the adhesion of NKL3 cells and of MDA-MB-231 breast cancer cells was reduced in a hypoxic tumor environment. In addition to its known effect on migration, CCL21/CCR7 interaction was shown to allow NK cell adhesion to endothelial cells (ECs) and its reduction by hypoxia. A PDPN expressing model of CAFs made it possible to demonstrate the same CCL21/CCR7 axis involvement in the tumor cells to CAFs recognition mechanism through PDPN binding of CCL21. PDPN was induced by hypoxia and its overexpression undergoes a reduction of adhesion, making it an anti-adhesion molecule in the absence of CCL21, in the tumor. CCL21/CCR7 modulated NK cells/ECs and MDA-MB-231 cells/CAF PDPN-dependent interactions were further shown to be linked to hypoxia-dependent microRNAs as miRs: miR-210 and specifically miR-21, miR-29b which influence PDPN expression.
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Affiliation(s)
- Anna Tejchman
- Centre for Molecular Biophysics, UPR 4301 CNRS affiliated to Orléans University and INSERM, Orléans, France.,Laboratory of Glycobiology and Intercellular Interactions, Institute of Immunology and Experimental Therapy, PAN, Wroclaw, Poland
| | - Nathalie Lamerant-Fayel
- Centre for Molecular Biophysics, UPR 4301 CNRS affiliated to Orléans University and INSERM, Orléans, France
| | | | - Aleksandra Bielawska-Pohl
- Laboratory of Glycobiology and Intercellular Interactions, Institute of Immunology and Experimental Therapy, PAN, Wroclaw, Poland
| | - Katarzyna Mleczko-Sanecka
- Centre for Molecular Biophysics, UPR 4301 CNRS affiliated to Orléans University and INSERM, Orléans, France
| | - Catherine Grillon
- Centre for Molecular Biophysics, UPR 4301 CNRS affiliated to Orléans University and INSERM, Orléans, France
| | - Salem Chouaib
- INSERM U1186, Gustave Roussy Institute, Villejuif, France
| | - Maciej Ugorski
- Laboratory of Glycobiology and Intercellular Interactions, Institute of Immunology and Experimental Therapy, PAN, Wroclaw, Poland
| | - Claudine Kieda
- Centre for Molecular Biophysics, UPR 4301 CNRS affiliated to Orléans University and INSERM, Orléans, France.,Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
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44
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Soler-Cardona A, Forsthuber A, Lipp K, Ebersberger S, Heinz M, Schossleitner K, Buchberger E, Gröger M, Petzelbauer P, Hoeller C, Wagner E, Loewe R. CXCL5 Facilitates Melanoma Cell-Neutrophil Interaction and Lymph Node Metastasis. J Invest Dermatol 2018; 138:1627-1635. [PMID: 29474942 DOI: 10.1016/j.jid.2018.01.035] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 01/22/2018] [Accepted: 01/25/2018] [Indexed: 12/31/2022]
Abstract
Chemokines influence tumor metastasis by targeting tumor, stromal, and hematopoietic cells. Characterizing the chemokine mRNA expression profile of human primary melanoma samples, we found CXCL5 significantly up-regulated in stage T4 primary melanomas when compared to thin melanomas (T1 stage). To characterize the role of CXCL5 in melanoma progression, we established a metastasizing murine xenograft model using CXCL5-overexpressing human melanoma cells. CXCL5 had no effect on melanoma proliferation in vitro and on primary tumor growth in vivo, but CXCL5-overexpressing tumors recruited high amounts of neutrophils and exhibited significantly increased lymphangiogenesis in our severe combined immune-deficient mouse model. Recruited neutrophils were found in close proximity to or within lymphatic vessels, often in direct contact with melanoma cells. Clinically, CXCL5-overexpressing melanomas had significantly increased lymph node metastases. We were able to translate these findings to human patient samples and found a positive correlation between CXCL5 expression, numbers of neutrophils in stage T4 primary melanoma, and the occurrence of subsequent locoregional metastasis.
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Affiliation(s)
- Ana Soler-Cardona
- Skin and Endothelium Research Division, Department of Dermatology, Medical University of Vienna, Vienna, Austria; Division of General Dermatology and Dermato-Oncology, Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Agnes Forsthuber
- Skin and Endothelium Research Division, Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Katharina Lipp
- Skin and Endothelium Research Division, Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | | | - Magdalena Heinz
- Skin and Endothelium Research Division, Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Klaudia Schossleitner
- Skin and Endothelium Research Division, Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | | | - Marion Gröger
- Core Facility Imaging, Clinical Institute for Medical and Chemical Laboratory Diagnostics, Medical University of Vienna, Vienna, Austria
| | - Peter Petzelbauer
- Skin and Endothelium Research Division, Department of Dermatology, Medical University of Vienna, Vienna, Austria; Division of General Dermatology and Dermato-Oncology, Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Christoph Hoeller
- Division of General Dermatology and Dermato-Oncology, Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Erwin Wagner
- Genes, Development and Disease Group, Centro Nacional de Investigaciones Oncológicas, Madrid, Spain
| | - Robert Loewe
- Skin and Endothelium Research Division, Department of Dermatology, Medical University of Vienna, Vienna, Austria; Division of General Dermatology and Dermato-Oncology, Department of Dermatology, Medical University of Vienna, Vienna, Austria.
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45
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Thangavadivel S, Zelle-Rieser C, Olivier A, Postert B, Untergasser G, Kern J, Brunner A, Gunsilius E, Biedermann R, Hajek R, Pour L, Willenbacher W, Greil R, Jöhrer K. CCR10/CCL27 crosstalk contributes to failure of proteasome-inhibitors in multiple myeloma. Oncotarget 2018; 7:78605-78618. [PMID: 27732933 PMCID: PMC5346663 DOI: 10.18632/oncotarget.12522] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Accepted: 10/03/2016] [Indexed: 11/25/2022] Open
Abstract
The bone marrow microenvironment plays a decisive role in multiple myeloma progression and drug resistance. Chemokines are soluble mediators of cell migration, proliferation and survival and essentially modulate tumor progression and drug resistance. Here we investigated bone marrow-derived chemokines of naive and therapy-refractory myeloma patients and discovered that high levels of the chemokine CCL27, known so far for its role in skin inflammatory processes, correlated with worse overall survival of the patients. In addition, chemokine levels were significantly higher in samples from patients who became refractory to bortezomib at first line treatment compared to resistance at later treatment lines. In vitro as well as in an in vivo model we could show that CCL27 triggers bortezomib-resistance of myeloma cells. This effect was strictly dependent on the expression of the respective receptor, CCR10, on stroma cells and involved the modulation of IL-10 expression, activation of myeloma survival pathways, and modulation of proteasomal activity. Drug resistance could be totally reversed by blocking CCR10 by siRNA as well as blocking IL-10 and its receptor. From our data we suggest that blocking the CCR10/CCL27/IL-10 myeloma-stroma crosstalk is a novel therapeutic target that could be especially relevant in early refractory myeloma patients.
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Affiliation(s)
| | | | | | - Benno Postert
- Tyrolean Cancer Research Institute, Innsbruck, Austria
| | - Gerold Untergasser
- Tyrolean Cancer Research Institute, Innsbruck, Austria.,Laboratory of Tumor Angiogenesis and Tumorbiology, Department of Internal Medicine V, Medical University of Innsbruck, Innsbruck, Austria
| | - Johann Kern
- Laboratory of Tumor Angiogenesis and Tumorbiology, Department of Internal Medicine V, Medical University of Innsbruck, Innsbruck, Austria
| | - Andrea Brunner
- Department of Pathology, Medical University Innsbruck, Innsbruck, Austria
| | - Eberhard Gunsilius
- Laboratory of Tumor Angiogenesis and Tumorbiology, Department of Internal Medicine V, Medical University of Innsbruck, Innsbruck, Austria
| | - Rainer Biedermann
- Department of Orthopedic Surgery, Medical University Innsbruck, Innsbruck, Austria
| | - Roman Hajek
- Babak Myeloma Group, Department of Pathological Physiology, Faculty of Medicine, Masaryk University, Department of Clinical Hematology, University Hospital Brno, Brno, Czech Republic.,Department of Hematooncology, Faculty of Medicine, University of Ostrava and University Hospital Ostrava, Ostrava, Czech Republic
| | - Ludek Pour
- Babak Myeloma Group, Department of Pathological Physiology, Faculty of Medicine, Masaryk University, Department of Clinical Hematology, University Hospital Brno, Brno, Czech Republic.,Department of Hematooncology, Faculty of Medicine, University of Ostrava and University Hospital Ostrava, Ostrava, Czech Republic
| | - Wolfgang Willenbacher
- Department of Internal Medicine V, University Hospital Innsbruck, Innsbruck, Austria
| | - Richard Greil
- Tyrolean Cancer Research Institute, Innsbruck, Austria.,Salzburg Cancer Research Institute-Laboratory of Immunological and Molecular Cancer Research, Salzburg, Austria.,Third Medical Department at The Paracelsus Medical University Salzburg, Austria.,Cancer Cluster Salzburg (CCS), Salzburg, Austria
| | - Karin Jöhrer
- Tyrolean Cancer Research Institute, Innsbruck, Austria
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46
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Wang Z, Xie H, Zhou L, Liu Z, Fu H, Zhu Y, Xu L, Xu J. CCL2/CCR2 axis is associated with postoperative survival and recurrence of patients with non-metastatic clear-cell renal cell carcinoma. Oncotarget 2018; 7:51525-51534. [PMID: 27409666 PMCID: PMC5239494 DOI: 10.18632/oncotarget.10492] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2016] [Accepted: 06/30/2016] [Indexed: 12/22/2022] Open
Abstract
PURPOSE Chemokine (C-Cmotif) ligand 2 (CCL2) is a major chemokine that recruit monocytes and macrophages to the sites of inflammation. Recent researches have clarified that overexpression of CCL2 is associated with unfavorable prognosis in various cancer types. In this study, we aim to determine the prognostic value of CCL2 expression as well as its receptor C-C motif receptor type 2 (CCR2) in patients with non-metastatic clear cell renal cell carcinoma (ccRCC) after surgery. RESULTS Both high CCL2 and CCR2 expression were remarkably correlated with shortened survival time (P < 0.001 and P < 0.001, respectively) and increased risk of recurrence (P = 0.001 and P = 0.003, respectively). The combination of CCL2 and CCR2 expression (CCL2/CCR2 signature) could offer a better prognostic stratification. Furthermore, multivariate analyses identified CCL2/CCR2 signature as an independent risk factor for overall survival (OS) and recurrence-free survival (RFS) (P = 0.007 and P = 0.043, respectively). The incorporation of CCL2/CCR2 signature would refine individual risk stratification and predictive accuracy of the well-established models. MATERIALS AND METHODS We retrospectively examined the intratumoral expression of CCL2 and CCR2 by immunohistochemical staining in 268 histologically proven non-metastatic ccRCC patients receiving surgery in a single institution between 2001 and 2004. Kaplan-Meier analysis and Cox regression were applied to determine the prognostic value of CCL2 and CCR2 expression. Concordance index was calculated to compare predictive accuracy of the established models. CONCLUSIONS Combined CCL2 and CCR2 expression emerges as an independent prognostic factor for non-metastatic ccRCC patients after surgical treatment.
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Affiliation(s)
- Zewei Wang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Huyang Xie
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Lin Zhou
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zheng Liu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Hangcheng Fu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yu Zhu
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Le Xu
- Department of Urology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiejie Xu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
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47
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Lee YS, Kim SY, Song SJ, Hong HK, Lee Y, Oh BY, Lee WY, Cho YB. Crosstalk between CCL7 and CCR3 promotes metastasis of colon cancer cells via ERK-JNK signaling pathways. Oncotarget 2018; 7:36842-36853. [PMID: 27167205 PMCID: PMC5095043 DOI: 10.18632/oncotarget.9209] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Accepted: 04/22/2016] [Indexed: 01/17/2023] Open
Abstract
Chemokine ligand 7 (CCL7) enhances cancer progression and metastasis via epithelial-mesenchymal transition (EMT). However, little is known about the molecular mechanism of CCL7-induced EMT signaling cascade in colon cancer. Thus, the objective of this study was to investigate CCL7-induced EMT signaling pathway and its role in the progression and metastasis of colon cancer. To demonstrate the effect of CCL7 on EMT induction, HCT116 and HT29 cells overexpressing CCL7 were generated. CCL7-induced EMT and its downstream signaling pathway were evaluated by both in vitro and in vivo experiments. In in vitro studies, CCL7 was found to interplay with CC chemokine receptor 3 (CCR3), resulting in enhanced cellular proliferation, invasion, and migration via ERK and JNK signaling pathway. To validate these findings, we established ectopic and orthotopic mouse models injected with CCL7-overexpressed cells. In ectopic mouse models, we observed that CCL7-overexpressed cells grew significantly faster than control cells. In orthotopic mouse models, we found that liver and lung metastasis developed only in mice injected with CCL7-overexpressed cells. This study is the first one focusing on the EMT cascade via CCL7-CCR3-ERK-JNK signaling axis in colon cancer. Our novel findings will improve our understanding on the mechanism of metastatic process and provide potential therapeutic strategies for preventing metastasis in colon cancer.
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Affiliation(s)
- Yeo Song Lee
- Samsung Biomedical Research Institute, Sungkyunkwan University, Seoul, Republic of Korea
| | - So-Young Kim
- Samsung Biomedical Research Institute, Sungkyunkwan University, Seoul, Republic of Korea
| | - Su Jeong Song
- Samsung Biomedical Research Institute, Sungkyunkwan University, Seoul, Republic of Korea
| | - Hye Kyung Hong
- Samsung Biomedical Research Institute, Sungkyunkwan University, Seoul, Republic of Korea
| | - Yura Lee
- Samsung Biomedical Research Institute, Sungkyunkwan University, Seoul, Republic of Korea
| | - Bo Young Oh
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Woo Yong Lee
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.,Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul, Republic of Korea
| | - Yong Beom Cho
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.,Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul, Republic of Korea.,Department of Medical Device Management & Research, SAIHST, Sungkyunkwan University, Seoul, Republic of Korea
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48
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Lin Y, Ma Q, Li L, Wang H. The CXCL12-CXCR4 axis promotes migration, invasiveness, and EMT in human papillary thyroid carcinoma B-CPAP cells via NF-κB signaling. Biochem Cell Biol 2018; 96:619-626. [PMID: 29316404 DOI: 10.1139/bcb-2017-0074] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Papillary thyroid carcinoma (PTC) is the most common thyroid malignancy involving local and distant metastasis. It is known that CXC chemokine ligand 12 (CXCL12) interacts specifically with CXC chemokine receptor 4 (CXCR4) to guide the migration of PTC cells. However, the signaling pathway downstream of the CXCL12-CXCR4 axis in PTC is not fully understood. In the present study, high expression of CXCR4 was detected in 38 out of 82 specimens of PTC, and the expression level of CXCR4 significantly correlated with the stage of PTC. Additionally, the roles of the CXCL12-CXCR4 axis in the migration, invasion, and epithelial-mesenchymal transition (EMT) of B-CPAP cells were investigated in vitro. The motility and invasiveness were significantly enhanced in CXCR4-overexpressing B-CPAP cells with CXCL12 treatment. Moreover, the CXCL12-CXCR4 axis promoted the EMT process, as evidenced by a decreased level of E-cadherin and increased expressions of N-cadherin and vimentin. Furthermore, the CXCL12-CXCR4 axis activated the nuclear factor kappa-B (NF-κB) signaling pathway, whereas BAY11-7082, an IκB phosphorylation inhibitor, counteracted CXCL12-CXCR4-induced migration, invasion, and EMT processes in B-CPAP cells. In conclusion, the CXCL12-CXCR4 axis promotes the migration, invasion, and EMT processes in B-CPAP cells, at least partly, by activating the NF-κB signaling pathway.
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Affiliation(s)
- Yuanqiang Lin
- a Department of Nuclear Medicine, China-Japan Union Hospital of Jilin University, Changchun 130033, People's Republic of China
| | - Qingjie Ma
- a Department of Nuclear Medicine, China-Japan Union Hospital of Jilin University, Changchun 130033, People's Republic of China
| | - Lin Li
- b Department of Otolaryngology-Head and Neck Surgery, China-Japan Union Hospital of Jilin University, Changchun 130033, People's Republic of China
| | - Hui Wang
- c Department of Ultrasound, China-Japan Union Hospital of Jilin University, Changchun 130033, People's Republic of China
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49
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Khan NU, He H, Wang X, Ge B, Wang Q, Liu X, Lao J, Wang Y, Li J, Wang Z, Zhou S, Huang F. A two-color fluorescence enhanced dot-blot assay for revealing co-operative expression of chemokine receptors in cells. Chem Commun (Camb) 2018; 54:778-781. [DOI: 10.1039/c7cc08167g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A highly sensitive two-color dot-blot assay has been developed to simultaneously detect co-operative expression of chemokine receptors in cells.
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50
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Rac1 plays a role in CXCL12 but not CCL3-induced chemotaxis and Rac1 GEF inhibitor NSC23766 has off target effects on CXCR4. Cell Signal 2018; 42:88-96. [DOI: 10.1016/j.cellsig.2017.10.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 10/11/2017] [Accepted: 10/13/2017] [Indexed: 12/17/2022]
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