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Bach N, Winzer R, Tolosa E, Fiedler W, Brauneck F. The Clinical Significance of CD73 in Cancer. Int J Mol Sci 2023; 24:11759. [PMID: 37511518 PMCID: PMC10380759 DOI: 10.3390/ijms241411759] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 07/04/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
The search for new and effective treatment targets for cancer immunotherapy is an ongoing challenge. Alongside the more established inhibitory immune checkpoints, a novel potential target is CD73. As one of the key enzymes in the purinergic signalling pathway CD73 is responsible for the generation of immune suppressive adenosine. The expression of CD73 is higher in tumours than in the corresponding healthy tissues and associated with a poor prognosis. CD73, mainly by the production of adenosine, is critical in the suppression of an adequate anti-tumour immune response, but also in promoting cancer cell proliferation, tumour growth, angiogenesis, and metastasis. The upregulation of CD73 and generation of adenosine by tumour or tumour-associated immune cells is a common resistance mechanism to many cancer treatments such as chemotherapy, radiotherapy, targeted therapy, and immunotherapy. Therefore, the inhibition of CD73 represents a new and promising approach to increase therapy efficacy. Several CD73 inhibitors have already been developed and successfully demonstrated anti-cancer activity in preclinical studies. Currently, clinical studies evaluate CD73 inhibitors in different therapy combinations and tumour entities. The initial results suggest that inhibiting CD73 could be an effective option to augment anti-cancer immunotherapeutic strategies. This review provides an overview of the rationale behind the CD73 inhibition in different treatment combinations and the role of CD73 as a prognostic marker.
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Affiliation(s)
- Niklas Bach
- Department of Immunology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Riekje Winzer
- Department of Immunology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Eva Tolosa
- Department of Immunology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Walter Fiedler
- Department of Oncology, Hematology and Bone Marrow Transplantation with Section Pneumology, Hubertus Wald University Cancer Center, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Franziska Brauneck
- Department of Oncology, Hematology and Bone Marrow Transplantation with Section Pneumology, Hubertus Wald University Cancer Center, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
- Mildred Scheel Cancer Career Center HaTriCS4, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
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2
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Bauer A, Gebauer N, Knief J, Tharun L, Arnold N, Riecke A, Steinestel K, Witte HM. The expression of the adenosine pathway markers CD39 and CD73 in salivary gland carcinomas harbors the potential for novel immune checkpoint inhibition. J Cancer Res Clin Oncol 2022:10.1007/s00432-022-04211-x. [PMID: 35902382 DOI: 10.1007/s00432-022-04211-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 07/13/2022] [Indexed: 12/01/2022]
Abstract
BACKGROUND In salivary gland carcinomas (SGC), there is only a small fraction of entities that appears to profit from immune checkpoint inhibition (ICI). Recent findings connected the activation of adenosine-signaling with a tolerogenic microenvironment. Therefore, the inhibition of adenosine pathway markers (CD39 and/or CD73) can augment ICI and/or display a novel immunotherapeutic strategy beyond ICI. Here, we assessed the immuno-histochemical expression of CD39 and CD73 across a wide spectrum of SGCs. METHODS In total, 114 patients with SGCs consecutively diagnosed between 2001 and 2021 were assessed for clinicopathological baseline characteristics and underwent confirmatory histopathological review. Immunohistochemical expression levels of CD39 and CD73 were assessed by applying the tumor proportion score (TPS) and the immune proportional score (IPS) comparable to PD-L1 expression analysis in routine clinical practice. Additionally, findings were correlated with PD-L1 expression levels. RESULTS The median age was 60.6 and 51.8% patients were female. The cohort covered a spectrum of eight distinct entities. Advanced-stage disease (UICC/AJCC III/IVA-IVC) at initial diagnosis was present in the majority of patients (64/114). Immunohistochemical staining revealed positivity for CD39 and CD73 in 48.2% and 21.1% on tumor cells (TPS ≥ 1%) as well as 46.4% and 42.9% within the immune cell infiltrate (IPS ≥ 1%), respectively. Further comparative analyses revealed immune-cold entities such adenoid cystic carcinoma (AdCC), immune-hot tumors such as adenocarcinoma, not otherwise specified (AC (NOS)) and entities with intermediate immunologic features such as acinic cell carcinoma (ACC). CONCLUSION Current results indicate entity-specific adenosine signaling signatures. These findings suggest that the adenosine pathway plays a decisive role in tumor immunity among the major spectrum of SGCs. Targeting the adenosine pathway might pose a promising therapeutic option for selected entities.
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Affiliation(s)
- Arthur Bauer
- Department of Hematology and Oncology, Federal Armed Forces Hospital Ulm, Oberer Eselsberg 40, 89081, Ulm, Germany.,Institute of Pathology and Molecular Pathology, Federal Armed Forces Hospital Ulm, Oberer Eselsberg 40, 89081, Ulm, Germany
| | - Niklas Gebauer
- Department of Hematology and Oncology, University Hospital of Schleswig-Holstein, Campus Luebeck, Ratzeburger Allee 160, 23538, Lübeck, Germany
| | - Juliana Knief
- Institute of Pathology, Marienkrankenhaus Hamburg, Alfredstraße 9, 22087, Hamburg, Germany
| | - Lars Tharun
- Institute of Pathology, University Hospital of Schleswig-Holstein, Campus Luebeck, Ratzeburger Allee 160, 23538, Lübeck, Germany
| | - Nele Arnold
- Department of ENT, Federal Armed Forces Hospital Hamburg, Lesserstraße 180, 22049, Hamburg, Germany
| | - Armin Riecke
- Department of Hematology and Oncology, Federal Armed Forces Hospital Ulm, Oberer Eselsberg 40, 89081, Ulm, Germany
| | - Konrad Steinestel
- Institute of Pathology and Molecular Pathology, Federal Armed Forces Hospital Ulm, Oberer Eselsberg 40, 89081, Ulm, Germany
| | - Hanno M Witte
- Department of Hematology and Oncology, Federal Armed Forces Hospital Ulm, Oberer Eselsberg 40, 89081, Ulm, Germany. .,Institute of Pathology and Molecular Pathology, Federal Armed Forces Hospital Ulm, Oberer Eselsberg 40, 89081, Ulm, Germany. .,Department of Hematology and Oncology, University Hospital of Schleswig-Holstein, Campus Luebeck, Ratzeburger Allee 160, 23538, Lübeck, Germany.
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3
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Hersi F, Elgendy SM, Al Shamma SA, Atell RT, Sadiek O, Omar HA. Cancer immunotherapy resistance: The impact of microbiome-derived short-chain fatty acids and other emerging metabolites. Life Sci 2022. [DOI: 10.1016/j.lfs.2022.120573] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 04/10/2022] [Accepted: 04/18/2022] [Indexed: 12/12/2022]
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4
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Kutryb-Zajac B, Harasim G, Jedrzejewska A, Krol O, Braczko A, Jablonska P, Mierzejewska P, Zielinski J, Slominska EM, Smolenski RT. Macrophage-Derived Adenosine Deaminase 2 Correlates with M2 Macrophage Phenotype in Triple Negative Breast Cancer. Int J Mol Sci 2021; 22:3764. [PMID: 33916440 PMCID: PMC8038600 DOI: 10.3390/ijms22073764] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/30/2021] [Accepted: 03/31/2021] [Indexed: 01/02/2023] Open
Abstract
Several lines of evidence suggest that altered adenosine deaminase (ADA) activity, especially its ADA2 iso-enzyme, is associated with malignant breast cancer (BC) development. Triple-negative breast cancer (TNBC) is currently the most challenging BC subtype due to its metastatic potential and recurrence. Herein, we analyzed the sources of ADA iso-enzymes in TNBC by investigating the effects of cell-to-cell interactions between TNBC cells, macrophages, lymphocytes, and endothelial cells. We also examined the potential relationship between ADA activity and cancer progression in TNBC patients. In vitro analyses demonstrated that the interactions of immune and endothelial cells with MDA-MB-231 triple negative BC cells modulated their extracellular adenosine metabolism pattern. However, they caused an increase in the ADA1 activity, and did not alter ADA2 activity in cancer cells. In turn, the co-culture of MDA-MB-231 cells with THP-1 monocyte/macrophages, Jurkat cells, and human lung microvascular endothelial cells (HULEC) caused the increase in ADA2 activity on THP-1 cells and ADA1 activity on Jurkat cells and HULEC. Clinical sample analysis revealed that TNBC patients had higher plasma ADA2 activities and lower ADA1/ADA2 ratio at advanced stages of cancer development than in the initial stages, while patients with hormone receptor positive, HER2 negative (HR+HER2-), and triple positive (HR+HER2+) breast cancers at the same stages showed opposite trends. TNBC patients also demonstrated positive associations between plasma ADA2 activity and pro-tumor M2 macrophage markers, as well as between ADA1 activity and endothelial dysfunction or inflammatory parameters. The analysis of TNBC patients, at 6 and 12 months following cancer treatment, did not showed significant changes in plasma ADA activities and macrophage polarization markers, which may be the cause of their therapeutic failure. We conclude that alterations in both ADA iso-enzymes can play a role in breast cancer development and progression by the modulation of extracellular adenosine-dependent pathways. Additionally, the changes in ADA2 activity that may contribute to the differentiation of macrophages into unfavorable pro-tumor M2 phenotype deserve special attention in TNBC.
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Affiliation(s)
| | - Gabriela Harasim
- Department of Biochemistry, Medical University of Gdansk, 80-211 Gdansk, Poland
| | - Agata Jedrzejewska
- Department of Biochemistry, Medical University of Gdansk, 80-211 Gdansk, Poland
| | - Oliwia Krol
- Department of Biochemistry, Medical University of Gdansk, 80-211 Gdansk, Poland
| | - Alicja Braczko
- Department of Biochemistry, Medical University of Gdansk, 80-211 Gdansk, Poland
| | - Patrycja Jablonska
- Department of Biochemistry, Medical University of Gdansk, 80-211 Gdansk, Poland
| | | | - Jacek Zielinski
- Department of Surgical Oncology, Medical University of Gdansk, 80-210 Gdansk, Poland
| | - Ewa M Slominska
- Department of Biochemistry, Medical University of Gdansk, 80-211 Gdansk, Poland
| | - Ryszard T Smolenski
- Department of Biochemistry, Medical University of Gdansk, 80-211 Gdansk, Poland
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Ren J, Feng J, Song W, Wang C, Ge Y, Fu T. Development and validation of a metabolic gene signature for predicting overall survival in patients with colon cancer. Clin Exp Med 2020; 20:535-544. [PMID: 32772211 DOI: 10.1007/s10238-020-00652-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 08/01/2020] [Indexed: 12/24/2022]
Abstract
The reprogramming of cellular metabolism is a hallmark of tumorigenesis. However, the prognostic value of metabolism-related genes in colon cancer remains unclear. This study aimed to identify a metabolic gene signature to categorize colon cancer patients into high- and low-risk groups and predict prognosis. Samples from the Gene Expression Omnibus database were used as the training cohort, while samples from The Cancer Genome Atlas database were used as the validation cohort. A metabolic gene signature was established to investigate a robust risk stratification for colon cancer. Subsequently, a prognostic nomogram was established combining the metabolism-related risk score and clinicopathological characteristics of patients. A total of 351 differentially expressed metabolism-related genes were identified in colon cancer. After univariate analysis and least absolute shrinkage and selection operator-penalized regression analysis, an eight-gene metabolic signature (MTR, NANS, HADH, IMPA2, AGPAT1, GGT5, CYP2J2, and ASL) was identified to classify patients into high- and low-risk groups. High-risk patients had significantly shorter overall survival than low-risk patients in both the training and validation cohorts. A high-risk score was positively correlated with proximal colon cancer (P = 0.012), BRAF mutation (P = 0.049), and advanced stage (P = 0.027). We established a prognostic nomogram based on metabolism-related gene risk score and clinicopathologic factors. The areas under the curve and calibration curves indicated that the established nomogram showed a good accuracy of prediction. We have established a novel metabolic gene signature that could predict overall survival in colon cancer patients and serve as a biomarker for colon cancer.
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Affiliation(s)
- Jun Ren
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, No. 238, Jiefang Road, Wuhan, 430060, Hubei, China
| | - Juan Feng
- Department of Breast Surgery, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China
| | - Wei Song
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, No. 238, Jiefang Road, Wuhan, 430060, Hubei, China
| | - Chuntao Wang
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, No. 238, Jiefang Road, Wuhan, 430060, Hubei, China
| | - Yuhang Ge
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, No. 238, Jiefang Road, Wuhan, 430060, Hubei, China
| | - Tao Fu
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, No. 238, Jiefang Road, Wuhan, 430060, Hubei, China.
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6
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Roh M, Wainwright DA, Wu JD, Wan Y, Zhang B. Targeting CD73 to augment cancer immunotherapy. Curr Opin Pharmacol 2020; 53:66-76. [PMID: 32777746 DOI: 10.1016/j.coph.2020.07.001] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 06/29/2020] [Accepted: 07/01/2020] [Indexed: 01/05/2023]
Abstract
CD73 (ecto-5'-nucleotidase) is a novel immunoinhibitory protein that plays a key role for tumor growth and metastasis. Its main function is to convert extracellular ATP to immunosuppressive adenosine in concert with CD39 in normal tissues to limit excessive immune response. However, tumors take advantage of the CD73-mediated adenosinergic mechanism to protect them from immune attack. In particular, inducible expression of CD73 along with other adenosinergic molecules on both cancer cells and host cells sustains immunosuppressive tumor microenvironment by affecting multiple aspects of the immune response. Owing to its multifaceted capacity to tumor promotion as an emerging immune checkpoint, CD73 is an ideal therapeutic target for cancer treatment especially in combination with conventional therapy and/or other immune checkpoint inhibitors. In this review, we will discuss the roles of CD73 on tumor and immune cells and will highlight the therapeutic value of CD73 for combination therapy.
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Affiliation(s)
- Meejeon Roh
- Robert H. Lurie Comprehensive Cancer Center, Department of Medicine-Division of Hematology/Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Derek A Wainwright
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Jennifer D Wu
- Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Yong Wan
- Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Bin Zhang
- Robert H. Lurie Comprehensive Cancer Center, Department of Medicine-Division of Hematology/Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
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7
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Hajizadeh F, Masjedi A, Heydarzedeh Asl S, Karoon Kiani F, Peydaveisi M, Ghalamfarsa G, Jadidi-Niaragh F, Sevbitov A. Adenosine and adenosine receptors in colorectal cancer. Int Immunopharmacol 2020; 87:106853. [PMID: 32755765 DOI: 10.1016/j.intimp.2020.106853] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 06/24/2020] [Accepted: 07/26/2020] [Indexed: 12/24/2022]
Abstract
CD39 (nucleoside triphosphate diphosphohydrolase) and Ecto-5-nucleotidase (CD73) have been recognized as important factors mediating various pathological and physiological responses in the tumor microenvironment. Elevated expression of CD73 and CD39 is correlated with the over-production of adenosine in the tumor region. This increase is associated with an immunosuppressive state in the tumor site that enhances various tumor hallmarks such as metastasis, angiogenesis, and cell proliferation. Adenosine promotes these behaviors through interaction with four adenosine receptors, including A3R, A2BR, A2AR, and A1R. Signaling of these receptors reduces the function of immune effector cells and enhances the expansion and function of tumor-associated immune cells. Several studies have been shown the important role of adenosine/CD73/CD39/ARs axis in the immunopathogenesis of colorectal cancer. These findings imply that components of this axis can be considered as a worthy target for colorectal cancer immunotherapy. In this review, we summarized the role of CD73/CD39/adenosine/ARs in the immunopathogenesis of colorectal cancer.
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8
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Messaoudi N, Cousineau I, Arslanian E, Henault D, Stephen D, Vandenbroucke-Menu F, Dagenais M, Létourneau R, Plasse M, Roy A, Lapointe R, Ysebaert D, Trudel D, Soucy G, Stagg J, Turcotte S. Prognostic value of CD73 expression in resected colorectal cancer liver metastasis. Oncoimmunology 2020; 9:1746138. [PMID: 32363113 PMCID: PMC7185220 DOI: 10.1080/2162402x.2020.1746138] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 10/27/2019] [Accepted: 12/19/2019] [Indexed: 12/13/2022] Open
Abstract
Immune checkpoint blockade has not yet been effective in patients with mismatch repair proficient metastatic colorectal cancer. Targeting immunosuppressive metabolic pathways is being explored as a new immunotherapeutic approach. We assessed whether CD73, the rate limiting enzyme that catalyzes the degradation of extracellular AMP into immunosuppressive adenosine, could be an immunological determinant of colorectal liver metastases (CRLMs). By immunofluorescence on tissue microarrays, intratumoral CD73 expression (tCD73) was analyzed in 391 CRLMs resected in 215 patients, and soluble CD73 (sCD73) was measured by ELISA in the pre-operative serum of 193 patients. High tCD73 was associated with worse pathological features, such as multiple and larger CRLMs, and poorer pathologic response to pre-operative chemotherapy. The median time to recurrence and disease-specific survival after CRLM resection was significantly shorter in patients with high tCD73 (11.0 and 46.4 months, respectively) compared with low tCD73 (19.0 and 61.5 months, respectively). tCD73 was strongly associated with patient outcomes independently of clinicopathological variables. sCD73 did not correlate with tCD73. Patients with high levels of sCD73 also had shorter disease-specific survival. Our results suggested that CD73 in CRLMs may be prognostically informative and may help select patients more likely to respond to adenosine pathway blocking agents.
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Affiliation(s)
- Nouredin Messaoudi
- Cancer Axis, Centre de Recherche Du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montreal, Quebec, Canada
- Hepatopancreatobiliary Surgery & Liver Transplantation Service, Centre Hospitalier de l’Université de Montréal (CHUM), Montreal, Quebec, Canada
- Department of Surgery, University of Antwerp, Antwerp, Belgium
- Department of Surgery, University Hospital of Brussels (UZ Brussel) and Europe Hospitals, Brussels, Belgium
| | - Isabelle Cousineau
- Cancer Axis, Centre de Recherche Du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montreal, Quebec, Canada
| | - Elizabeth Arslanian
- Department of Pathology, Centre Hospitalier de l’Université de Montréal (CHUM), Montreal, Quebec, Canada
| | - David Henault
- Cancer Axis, Centre de Recherche Du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montreal, Quebec, Canada
| | - David Stephen
- Department of Pathology, Centre Hospitalier de l’Université de Montréal (CHUM), Montreal, Quebec, Canada
| | - Franck Vandenbroucke-Menu
- Hepatopancreatobiliary Surgery & Liver Transplantation Service, Centre Hospitalier de l’Université de Montréal (CHUM), Montreal, Quebec, Canada
| | - Michel Dagenais
- Hepatopancreatobiliary Surgery & Liver Transplantation Service, Centre Hospitalier de l’Université de Montréal (CHUM), Montreal, Quebec, Canada
| | - Richard Létourneau
- Hepatopancreatobiliary Surgery & Liver Transplantation Service, Centre Hospitalier de l’Université de Montréal (CHUM), Montreal, Quebec, Canada
| | - Marylène Plasse
- Hepatopancreatobiliary Surgery & Liver Transplantation Service, Centre Hospitalier de l’Université de Montréal (CHUM), Montreal, Quebec, Canada
| | - André Roy
- Hepatopancreatobiliary Surgery & Liver Transplantation Service, Centre Hospitalier de l’Université de Montréal (CHUM), Montreal, Quebec, Canada
| | - Réal Lapointe
- Hepatopancreatobiliary Surgery & Liver Transplantation Service, Centre Hospitalier de l’Université de Montréal (CHUM), Montreal, Quebec, Canada
| | - Dirk Ysebaert
- Department of Surgery, University of Antwerp, Antwerp, Belgium
| | - Dominique Trudel
- Cancer Axis, Centre de Recherche Du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montreal, Quebec, Canada
- Department of Pathology, Centre Hospitalier de l’Université de Montréal (CHUM), Montreal, Quebec, Canada
| | - Geneviève Soucy
- Department of Pathology, Centre Hospitalier de l’Université de Montréal (CHUM), Montreal, Quebec, Canada
| | - John Stagg
- Cancer Axis, Centre de Recherche Du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montreal, Quebec, Canada
| | - Simon Turcotte
- Cancer Axis, Centre de Recherche Du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montreal, Quebec, Canada
- Hepatopancreatobiliary Surgery & Liver Transplantation Service, Centre Hospitalier de l’Université de Montréal (CHUM), Montreal, Quebec, Canada
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Abstract
CD73, a cell surface 5'nucleotidase that generates adenosine, has emerged as an attractive therapeutic target for reprogramming cancer cells and the tumor microenvironment to dampen antitumor immune cell evasion. Decades of studies have paved the way for these findings, starting with the discovery of adenosine signaling, particularly adenosine A2A receptor (A2AR) signaling, as a potent suppressor of tissue-devastating immune cell responses, and evolving with studies focusing on CD73 in breast cancer, melanoma, and non-small cell lung cancer. Gastrointestinal (GI) cancers are a major cause of cancer-related deaths. Evidence is mounting that shows promise for improving patient outcomes through incorporation of immunomodulatory strategies as single agents or in combination with current treatment options. Recently, several immune checkpoint inhibitors received FDA approval for use in GI cancers; however, clinical benefit is limited. Investigating molecular mechanisms promoting immunosuppression, such as CD73, in GI cancers can aid in current efforts to extend the efficacy of immunotherapy to more patients. In this review, we discuss current clinical and basic research studies on CD73 in GI cancers, including gastric, liver, pancreatic, and colorectal cancer, with special focus on the potential of CD73 as an immunotherapy target in these cancers. We also present a summary of current clinical studies targeting CD73 and/or A2AR and combination of these therapies with immune checkpoint inhibitors.
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Affiliation(s)
- Jerry B. Harvey
- Department of Anesthesiology, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Luan H. Phan
- Department of Anesthesiology, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Oscar E. Villarreal
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Jessica L. Bowser
- Department of Anesthesiology, The University of Texas Health Science Center at Houston, Houston, TX, United States
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Camici M, Garcia-Gil M, Pesi R, Allegrini S, Tozzi MG. Purine-Metabolising Enzymes and Apoptosis in Cancer. Cancers (Basel) 2019; 11:cancers11091354. [PMID: 31547393 PMCID: PMC6769685 DOI: 10.3390/cancers11091354] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 09/03/2019] [Accepted: 09/07/2019] [Indexed: 12/17/2022] Open
Abstract
The enzymes of both de novo and salvage pathways for purine nucleotide synthesis are regulated to meet the demand of nucleic acid precursors during proliferation. Among them, the salvage pathway enzymes seem to play the key role in replenishing the purine pool in dividing and tumour cells that require a greater amount of nucleotides. An imbalance in the purine pools is fundamental not only for preventing cell proliferation, but also, in many cases, to promote apoptosis. It is known that tumour cells harbour several mutations that might lead to defective apoptosis-inducing pathways, and this is probably at the basis of the initial expansion of the population of neoplastic cells. Therefore, knowledge of the molecular mechanisms that lead to apoptosis of tumoural cells is key to predicting the possible success of a drug treatment and planning more effective and focused therapies. In this review, we describe how the modulation of enzymes involved in purine metabolism in tumour cells may affect the apoptotic programme. The enzymes discussed are: ectosolic and cytosolic 5'-nucleotidases, purine nucleoside phosphorylase, adenosine deaminase, hypoxanthine-guanine phosphoribosyltransferase, and inosine-5'-monophosphate dehydrogenase, as well as recently described enzymes particularly expressed in tumour cells, such as deoxynucleoside triphosphate triphosphohydrolase and 7,8-dihydro-8-oxoguanine triphosphatase.
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Affiliation(s)
- Marcella Camici
- Dipartimento di Biologia, Unità di Biochimica, Via S. Zeno 51, 56127 Pisa, Italy.
| | - Mercedes Garcia-Gil
- Dipartimento di Biologia, Unità di Fisiologia Generale, Via S. Zeno 31, 56127 Pisa, Italy
| | - Rossana Pesi
- Dipartimento di Biologia, Unità di Biochimica, Via S. Zeno 51, 56127 Pisa, Italy
| | - Simone Allegrini
- Dipartimento di Biologia, Unità di Biochimica, Via S. Zeno 51, 56127 Pisa, Italy
| | - Maria Grazia Tozzi
- Dipartimento di Biologia, Unità di Biochimica, Via S. Zeno 51, 56127 Pisa, Italy
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11
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Abstract
Adenosine deaminase is a critical enzyme in purine metabolism that regulates intra and extracellular adenosine concentrations by converting it to inosine. Adenosine is an important purine that regulates numerous physiological functions by interacting with its receptors. Adenosine and consequently adenosine deaminase can have pro or anti-inflammatory effects on tissues depending on how much time has passed from the start of the injury. In addition, an increase in adenosine deaminase activity has been reported for various diseases and the significant effect of deaminase inhibition on the clinical course of different diseases has been reported. However, the use of inhibitors is limited to only a few medical indications. Data on the increase of adenosine deaminase activity in different diseases and the impact of its inhibition in various cases have been collected and are discussed in this review. Overall, the evidence shows that many studies have been done to introduce inhibitors, however, in vivo studies have been much less than in vitro, and often have not been expanded for clinical use.
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Affiliation(s)
- S Bagheri
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - A A Saboury
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran.
| | - T Haertlé
- Institut National de la Recherche Agronomique, Nantes, France
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12
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Ranjbar MA, Ranjbar Z, Zahed M, Nikookar N. CD73 a novel marker for the diagnosis of benign and malignant salivary gland tumors. J Clin Exp Dent 2019; 11:e213-e218. [PMID: 31001389 PMCID: PMC6461735 DOI: 10.4317/jced.54918] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 09/02/2018] [Indexed: 11/24/2022] Open
Abstract
Background Ecto-5’-nucleotidase (CD73) plays an important role in the development of several types of cancer; however, its prognostic significance in salivary gland tumors remains unknown. The current study was conducted to investigate the expression of CD73 in such tumors. Material and Methods In this retrospective study, immunohistochemical expression of CD73 was evaluated in 25 pleomorphic adenomas, 20 mucoepidermoid carcinomas and 20 adenoid cystic carcinomas using the Envision technique. Labeling indices of CD73 expression were calculated and compared between lesions. Results Immunohistochemical analysis demonstrated that the CD73 expression was significantly higher in salivary gland tumors than in normal salivary gland tissue (p<0.001). CD73 expression was significantly higher in mucoepidermoid carcinoma and adenoid cystic carcinoma compared to pleomorphic adenoma p<0.001). In addition, the expression of CD73 was significantly higher in lymph node metastasizing cancers compared to non-metastasizing malignancies (P<0.001). In contrast, there was no significant association between CD73 expression and other clinicopathological variables such as age, gender, tumor size and distant metastasis (P>0.05). Conclusions The findings suggest that CD73 can be an independent and useful biomarker for predicting the clinical behavior of salivary gland tumors. Key words:Ecto-5’-nucleotidase, immunohistochemistry, salivary gland tumors.
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Affiliation(s)
- Mohammad-Ali Ranjbar
- Department of Oral and Maxillofacial Pathology, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Ranjbar
- Oral and Dental Disease Research Center, Department of Oral and Maxillofacial Medicine, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Maryam Zahed
- Oral and Dental Disease Research Center, Department of Oral and Maxillofacial Medicine, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Negar Nikookar
- Undergraduate Student, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
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13
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Ghalamfarsa G, Kazemi MH, Raoofi Mohseni S, Masjedi A, Hojjat-Farsangi M, Azizi G, Yousefi M, Jadidi-Niaragh F. CD73 as a potential opportunity for cancer immunotherapy. Expert Opin Ther Targets 2018; 23:127-142. [DOI: 10.1080/14728222.2019.1559829] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Ghasem Ghalamfarsa
- Cellular and Molecular Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Mohammad Hossein Kazemi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Hematopoietic Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sahar Raoofi Mohseni
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Ali Masjedi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Hojjat-Farsangi
- Department of Oncology-Pathology, Immune and Gene therapy Lab, Cancer Center Karolinska (CCK), Karolinska University Hospital Solna and Karolinska Institute, Stockholm, Sweden
- Department of Immunology, School of Medicine, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Gholamreza Azizi
- Non‐Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Mehdi Yousefi
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Farhad Jadidi-Niaragh
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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14
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Kutryb-Zajac B, Koszalka P, Mierzejewska P, Bulinska A, Zabielska MA, Brodzik K, Skrzypkowska A, Zelazek L, Pelikant-Malecka I, Slominska EM, Smolenski RT. Adenosine deaminase inhibition suppresses progression of 4T1 murine breast cancer by adenosine receptor-dependent mechanisms. J Cell Mol Med 2018; 22:5939-5954. [PMID: 30291675 PMCID: PMC6237598 DOI: 10.1111/jcmm.13864] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 07/20/2018] [Accepted: 07/24/2018] [Indexed: 12/11/2022] Open
Abstract
The activity of a cell-surface ecto-adenosine deaminase (eADA) is markedly increased in the endothelial activation and vascular inflammation leading to decreased adenosine concentration and alterations in adenosine signalling. Depending on the specific pathway activated, extracellular purines mediate host cell response or regulate growth and cytotoxicity on tumour cells. The aim of this study was to test the effects of adenosine deaminase inhibition by 2'deoxycoformycin (dCF) on the breast cancer development. dCF treatment decreased a tumour growth and a final tumour mass in female BALB/c mice injected orthotopically with 4T1 cancer cells. dCF also counteracted cancer-induced endothelial dysfunction in orthotopic and intravenous 4T1 mouse breast cancer models. In turn, this low dCF dose had a minor effect on immune stimulation exerted by 4T1 cell implantation. In vitro studies revealed that dCF suppressed migration and invasion of 4T1 cells via A2a and A3 adenosine receptor activation as well as 4T1 cell adhesion and transmigration through the endothelial cell layer via A2a receptor stimulation. Similar effects of dCF were observed in human breast cancer cells. Moreover, dCF improved a barrier function of endothelial cells decreasing its permeability. This study highlights beneficial effects of adenosine deaminase inhibition on breast cancer development. The inhibition of adenosine deaminase activity by dCF reduced tumour size that was closely related to the decreased aggressiveness of tumour cells by adenosine receptor-dependent mechanisms and endothelial protection.
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Affiliation(s)
| | - Patrycja Koszalka
- Department of Medical Biotechnology, Laboratory of Cell Biology, Intercollegiate Faculty of Biotechnology, Medical University of Gdansk, Gdansk, Poland
| | | | - Alicja Bulinska
- Department of Biochemistry, Medical University of Gdansk, Gdansk, Poland
| | - Magdalena A Zabielska
- Department of Biochemistry, Medical University of Gdansk, Gdansk, Poland.,Department of Physiology, Medical University of Gdansk, Gdansk, Poland
| | - Karolina Brodzik
- Department of Medical Biotechnology, Laboratory of Cell Biology, Intercollegiate Faculty of Biotechnology, Medical University of Gdansk, Gdansk, Poland
| | - Aleksandra Skrzypkowska
- Department of Medical Biotechnology, Laboratory of Cell Biology, Intercollegiate Faculty of Biotechnology, Medical University of Gdansk, Gdansk, Poland
| | - Lukasz Zelazek
- Department of Medical Biotechnology, Laboratory of Cell Biology, Intercollegiate Faculty of Biotechnology, Medical University of Gdansk, Gdansk, Poland
| | | | - Ewa M Slominska
- Department of Biochemistry, Medical University of Gdansk, Gdansk, Poland
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15
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Łupicka-Słowik A, Psurski M, Grzywa R, Bobrek K, Smok P, Walczak M, Gaweł A, Stefaniak T, Oleksyszyn J, Sieńczyk M. Development of Adenosine Deaminase-Specific IgY Antibodies: Diagnostic and Inhibitory Application. Appl Biochem Biotechnol 2017; 184:1358-1374. [PMID: 29043661 PMCID: PMC5889419 DOI: 10.1007/s12010-017-2626-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Accepted: 10/02/2017] [Indexed: 12/19/2022]
Abstract
Adenosine deaminase (ADA) is currently used as a diagnostic marker for tuberculous pleuritis. Although ADA has been suggested as a potential marker for several types of cancer, the importance of each of ADA isoforms as well as their levels and enzymatic activities in tumors need to be further investigated. Herein we developed avian immunoglobulin Y highly specific to human ADA via hens immunization with calf adenosine deaminase. The obtained antibodies were used for the development of a sensitive double-egg yolk immunoglobulin (IgY) sandwich ELISA assay with an ADA detection limit of 0.5 ng/ml and a linearity range of up to 10 ng/ml. Specific, affinity-purified IgYs were able to recognize human recombinant ADA and ADA present in human cancer cell lines. In addition, antigen-specific IgY antibodies were able to inhibit catalytic activity of calf ADA with an IC50 value of 47.48 nM. We showed that generated IgY antibodies may be useful for ADA detection, thus acting as a diagnostic agent in immunoenzymatic assays.
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Affiliation(s)
- Agnieszka Łupicka-Słowik
- Faculty of Chemistry, Division of Medicinal Chemistry and Microbiology, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wrocław, Poland
| | - Mateusz Psurski
- Laboratory of Experimental Anticancer Therapy, Department of Experimental Oncology, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, 53-114, Wrocław, Poland
| | - Renata Grzywa
- Faculty of Chemistry, Division of Medicinal Chemistry and Microbiology, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wrocław, Poland
| | - Kamila Bobrek
- Faculty of Veterinary Medicine, Department of Epizootiology and Clinic of Bird and Exotic Animals, Wroclaw University of Environmental and Life Sciences, Pl. Grunwaldzki 45, 50-366, Wrocław, Poland
| | - Patrycja Smok
- Faculty of Chemistry, Division of Medicinal Chemistry and Microbiology, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wrocław, Poland
| | - Maciej Walczak
- Faculty of Chemistry, Division of Medicinal Chemistry and Microbiology, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wrocław, Poland
| | - Andrzej Gaweł
- Faculty of Veterinary Medicine, Department of Epizootiology and Clinic of Bird and Exotic Animals, Wroclaw University of Environmental and Life Sciences, Pl. Grunwaldzki 45, 50-366, Wrocław, Poland
| | - Tadeusz Stefaniak
- Faculty of Veterinary Medicine, Department of Immunology, Pathophysiology and Veterinary Preventive Medicine, Wroclaw University of Environmental and Life Sciences, Norwida 31, 50-375, Wrocław, Poland
| | - Józef Oleksyszyn
- Faculty of Chemistry, Division of Medicinal Chemistry and Microbiology, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wrocław, Poland
| | - Marcin Sieńczyk
- Faculty of Chemistry, Division of Medicinal Chemistry and Microbiology, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wrocław, Poland.
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16
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Channar PA, Shah SJA, Hassan S, Nisa ZU, Lecka J, Sévigny J, Bajorath J, Saeed A, Iqbal J. Isonicotinohydrazones as inhibitors of alkaline phosphatase and ecto-5'-nucleotidase. Chem Biol Drug Des 2016; 89:365-370. [PMID: 27589035 DOI: 10.1111/cbdd.12861] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 06/16/2016] [Accepted: 08/13/2016] [Indexed: 12/16/2022]
Abstract
A series of isonicotinohydrazide derivatives was synthesized and tested against recombinant human and rat ecto-5'-nucleotidases (h-e5'NT and r-e5'NT) and alkaline phosphatase isozymes including both bovine tissue-non-specific alkaline phosphatase (b-TNAP) and tissue-specific calf intestinal alkaline phosphatase (c-IAP). These enzymes are implicated in vascular calcifications, hypophosphatasia, solid tumors, and cancers, such as colon, lung, breast, pancreas, and ovary. All tested compounds were active against both enzymes. The most potent inhibitor of h-e5'NT was derivative (E)-N'-(1-(3-(4-fluorophenyl)-5-phenyl-4,5-dihydro-1H-pyrazol-1-yl)ethylidene)isonicotinohydrazide (3j), whereas derivative (E)-N'-(4-hydroxy-3-methoxybenzylidene)isonicotinohydrazide (3g) exhibited significant inhibitory activity against r-e5'NT. In addition, the derivative (E)-N'-(4'-chlorobenzylidene)isonicotinohydrazide (3a) was most potent inhibitor against calf intestinal alkaline phosphatase and the derivative (E)-N'-(4-hydroxy-3-methoxybenzylidene)isonicotinohydrazide (3g) was found to be most potent inhibitor of bovine tissue-non-specific alkaline phosphatase. Furthermore, putative binding modes of potent compounds against e5'NT (human and rat e5'NT) and AP (including b-TNAP and c-IAP) were determined computationally.
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Affiliation(s)
| | - Syed Jawad Ali Shah
- Centre for Advanced Drug Research, COMSATS Institute of Information Technology, Abbottabad, Pakistan
| | - Sidra Hassan
- Centre for Advanced Drug Research, COMSATS Institute of Information Technology, Abbottabad, Pakistan
| | - Zaib Un Nisa
- Centre for Advanced Drug Research, COMSATS Institute of Information Technology, Abbottabad, Pakistan
| | - Joanna Lecka
- Département de microbiologie-infectiologie et d'immunologie, Faculté de Médecine, Université Laval, Québec, QC, Canada.,Centre de Recherche du CHU de Québec - Université Laval, Québec, QC, Canada
| | - Jean Sévigny
- Département de microbiologie-infectiologie et d'immunologie, Faculté de Médecine, Université Laval, Québec, QC, Canada.,Centre de Recherche du CHU de Québec - Université Laval, Québec, QC, Canada
| | - Jürgen Bajorath
- Department of Life Science Informatics, B-IT, LIMES Program Unit Chemical Biology and Medicinal Chemistry, Rheinische Friedrich-Wilhelms-Universität, Bonn, Germany
| | - Aamer Saeed
- Department of Chemistry, Quaid-I-Azam University, Islamabad, Pakistan
| | - Jamshed Iqbal
- Centre for Advanced Drug Research, COMSATS Institute of Information Technology, Abbottabad, Pakistan
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17
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Bowser JL, Broaddus RR. CD73s protection of epithelial integrity: Thinking beyond the barrier. Tissue Barriers 2016; 4:e1224963. [PMID: 28123924 DOI: 10.1080/21688370.2016.1224963] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Revised: 08/09/2016] [Accepted: 08/10/2016] [Indexed: 01/05/2023] Open
Abstract
The prevailing view of CD73 in cancer is that it is overexpressed in tumors and promotes cancer progression by dampening local T cell-mediated immune responses. We recently found that CD73 is down-regulated in poorly-differentiated and advanced stage endometrial carcinoma compared to normal endometrium and well-differentiated, early stage tumors. We revealed that CD73-generated adenosine induces a physiological response to protect epithelial integrity in well-differentiated, early stage endometrial carcinoma. The ability of CD73-generated adenosine to protect the barrier is not so different from its ability to induce immunosuppression and other physiological responses in cancerous tissues. In this commentary we examine the complexity of CD73 in cancer and suggest that a "one size fits all" approach to the role of CD73/adenosine in cancer is no longer warranted. Given that tumors often hijack normal cellular responses, we also provide consideration on how CD73s known role to protect barrier function may have implications in promoting tumor progression.
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Affiliation(s)
- Jessica L Bowser
- Departments of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center , Houston, TX, USA
| | - Russell R Broaddus
- Department of Pathology, The University of Texas MD Anderson Cancer Center , Houston, TX, USA
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18
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Ghaderi B, Amini S, Maroofi F, Jalali C, Javanmardi M, Roshani D, Abdi M. Adenosine Deaminase Activity in Chronic Lymphocytic Leukemia and Healthy Subjects. Iran J Cancer Prev 2016; 9:e5069. [PMID: 27703646 PMCID: PMC5038830 DOI: 10.17795/ijcp-5069] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Accepted: 05/30/2016] [Indexed: 11/26/2022]
Abstract
Background B cell chronic lymphocytic leukemia is one of the most frequent hematologic malignancies in the world. Cellular surface CD markers and serum Beta-2-microglobulin may be used as a prognostic tool in CLL patients. Objectives In the present study we introduce serum adenosine deaminase as a diagnostic marker in CLL. Materials and Methods Blood samples were collected from B-CLL and healthy subjects. White blood cell, red blood cell and platelet count and blood Erythrocyte sedimentation rate was recorded and serum Beta-2-microglobulin, Lactate dehydrogenase and total ADA enzyme activity were determined. Results Serum ADA activity was significantly higher in patients group than that of controls. ADA had a significant and direct correlation with B2M, WBC, LDH and ESR. However, there was not any relation between ADA and the stages of disease. Diagnostic cut-off, sensitivity and specificity of the serum ADA test were 27.97 U/L, 91% and 94%, respectively. Conclusions A higher ADA activity in patients group and its correlation with CLL markers were seen in our study. High diagnostic value of serum ADA in our study suggests that it might be considered as a useful screening tool among the other markers in CLL.
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Affiliation(s)
- Bayazid Ghaderi
- Department of Internal Medicine, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, IR Iran
| | - Sabrieh Amini
- Department of Biology, College of Science, Islamic Azad University, Sanandaj, IR Iran
| | - Farzad Maroofi
- Department of Biology, College of Science, Islamic Azad University, Sanandaj, IR Iran
| | - Chiya Jalali
- Department of Biology, College of Science, Islamic Azad University, Sanandaj, IR Iran
| | - Mitra Javanmardi
- Department of Biology, College of Science, Islamic Azad University, Sanandaj, IR Iran
| | - Daem Roshani
- Department of Biology, College of Science, Islamic Azad University, Sanandaj, IR Iran
| | - Mohammad Abdi
- Department of Internal Medicine, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, IR Iran; Department of Biology, College of Science, Islamic Azad University, Sanandaj, IR Iran
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Bowser JL, Blackburn MR, Shipley GL, Molina JG, Dunner K, Broaddus RR. Loss of CD73-mediated actin polymerization promotes endometrial tumor progression. J Clin Invest 2015; 126:220-38. [PMID: 26642367 DOI: 10.1172/jci79380] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Accepted: 11/03/2015] [Indexed: 12/20/2022] Open
Abstract
Ecto-5'-nucleotidase (CD73) is central to the generation of extracellular adenosine. Previous studies have highlighted a detrimental role for extracellular adenosine in cancer, as it dampens T cell-mediated immune responses. Here, we determined that, in contrast to other cancers, CD73 is markedly downregulated in poorly differentiated and advanced-stage endometrial carcinoma compared with levels in normal endometrium and low-grade tumors. In murine models, CD73 deficiency led to a loss of endometrial epithelial barrier function, and pharmacological CD73 inhibition increased in vitro migration and invasion of endometrial carcinoma cells. Given that CD73-generated adenosine is central to regulating tissue protection and physiology in normal tissues, we hypothesized that CD73-generated adenosine in endometrial carcinoma induces an innate reflex to protect epithelial integrity. CD73 associated with cell-cell contacts, filopodia, and membrane zippers, indicative of involvement in cell-cell adhesion and actin polymerization-dependent processes. We determined that CD73-generated adenosine induces cortical actin polymerization via adenosine A1 receptor (A1R) induction of a Rho GTPase CDC42-dependent conformational change of the actin-related proteins 2 and 3 (ARP2/3) actin polymerization complex member N-WASP. Cortical F-actin elevation increased membrane E-cadherin, β-catenin, and Na(+)K(+) ATPase. Together, these findings reveal that CD73-generated adenosine promotes epithelial integrity and suggest why loss of CD73 in endometrial cancer allows for tumor progression. Moreover, our data indicate that the role of CD73 in cancer is more complex than previously described.
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20
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Koszałka P, Gołuńska M, Stanisławowski M, Urban A, Stasiłojć G, Majewski M, Wierzbicki P, Składanowski AC, Bigda J. CD73 on B16F10 melanoma cells in CD73-deficient mice promotes tumor growth, angiogenesis, neovascularization, macrophage infiltration and metastasis. Int J Biochem Cell Biol 2015; 69:1-10. [DOI: 10.1016/j.biocel.2015.10.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Revised: 08/20/2015] [Accepted: 10/07/2015] [Indexed: 11/21/2022]
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Yang L, Wang J, Li J, Zhang H, Guo S, Yan M, Zhu Z, Lan B, Ding Y, Xu M, Li W, Gu X, Qi C, Zhu H, Shao Z, Liu B, Tao SC. Identification of Serum Biomarkers for Gastric Cancer Diagnosis Using a Human Proteome Microarray. Mol Cell Proteomics 2015; 15:614-23. [PMID: 26598640 DOI: 10.1074/mcp.m115.051250] [Citation(s) in RCA: 77] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Indexed: 12/27/2022] Open
Abstract
We aimed to globally discover serum biomarkers for diagnosis of gastric cancer (GC). GC serum autoantibodies were discovered and validated using serum samples from independent patient cohorts encompassing 1,401 participants divided into three groups, i.e. healthy, GC patients, and GC-related disease group. To discover biomarkers for GC, the human proteome microarray was first applied to screen specific autoantibodies in a total of 87 serum samples from GC patients and healthy controls. Potential biomarkers were identified via a statistical analysis protocol. Targeted protein microarrays with only the potential biomarkers were constructed and used to validate the candidate biomarkers using 914 samples. To provide further validation, the abundance of autoantibodies specific to the biomarker candidates was analyzed using enzyme-linked immunosorbent assays. Receiver operating characteristic curves were generated to evaluate the diagnostic accuracy of the serum biomarkers. Finally, the efficacy of prognosis efficacy of the final four biomarkers was evaluated by analyzing the clinical records. The final panel of biomarkers consisting of COPS2, CTSF, NT5E, and TERF1 provides high diagnostic power, with 95% sensitivity and 92% specificity to differentiate GC patients from healthy individuals. Prognosis analysis showed that the panel could also serve as independent predictors of the overall GC patient survival. The panel of four serum biomarkers (COPS2, CTSF, NT5E, and TERF1) could serve as a noninvasive diagnostic index for GC, and the combination of them could potentially be used as a predictor of the overall GC survival rate.
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Affiliation(s)
- Lina Yang
- From the Shanghai Center for Systems Biomedicine, Ministry of Education Key Laboratory of Systems Biomedicine, and Shanghai Key Laboratory of Gastric Neoplasms, Ruijin Hospital, Shanghai Jiao Tong University, Shanghai, 200240, China; State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University, Shanghai, 200240, China; Department of Integrative Oncology, Shanghai Cancer Center, Fudan University, Shanghai, 200032, China
| | - Jingfang Wang
- From the Shanghai Center for Systems Biomedicine, Ministry of Education Key Laboratory of Systems Biomedicine, and Shanghai Key Laboratory of Gastric Neoplasms, Ruijin Hospital, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Jianfang Li
- From the Shanghai Center for Systems Biomedicine, Ministry of Education Key Laboratory of Systems Biomedicine, and Shanghai Key Laboratory of Gastric Neoplasms, Ruijin Hospital, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Hainan Zhang
- From the Shanghai Center for Systems Biomedicine, Ministry of Education Key Laboratory of Systems Biomedicine, and Shanghai Key Laboratory of Gastric Neoplasms, Ruijin Hospital, Shanghai Jiao Tong University, Shanghai, 200240, China; State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Shujuan Guo
- From the Shanghai Center for Systems Biomedicine, Ministry of Education Key Laboratory of Systems Biomedicine, and Shanghai Key Laboratory of Gastric Neoplasms, Ruijin Hospital, Shanghai Jiao Tong University, Shanghai, 200240, China; State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Min Yan
- From the Shanghai Center for Systems Biomedicine, Ministry of Education Key Laboratory of Systems Biomedicine, and Shanghai Key Laboratory of Gastric Neoplasms, Ruijin Hospital, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Zhenggang Zhu
- From the Shanghai Center for Systems Biomedicine, Ministry of Education Key Laboratory of Systems Biomedicine, and Shanghai Key Laboratory of Gastric Neoplasms, Ruijin Hospital, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Bin Lan
- Department of Gastroenterology, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
| | - Youcheng Ding
- Shanghai East Hospital Affiliated to Tongji University, Shanghai, 200120, China
| | - Ming Xu
- Tongren Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200050, China
| | - Wei Li
- Shanghai Putuo Center Hospital, Shanghai, China
| | - Xiaonian Gu
- Shanghai Pudong Gongli Hospital, Shanghai, China 200135
| | - Chong Qi
- Shanghai Fifth People's Hospital affiliated to Fudan University, Shanghai, 200240 China
| | - Heng Zhu
- Department of Pharmacology and Molecular Sciences, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21205
| | - Zhifeng Shao
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Bingya Liu
- From the Shanghai Center for Systems Biomedicine, Ministry of Education Key Laboratory of Systems Biomedicine, and Shanghai Key Laboratory of Gastric Neoplasms, Ruijin Hospital, Shanghai Jiao Tong University, Shanghai, 200240, China;
| | - Sheng-Ce Tao
- From the Shanghai Center for Systems Biomedicine, Ministry of Education Key Laboratory of Systems Biomedicine, and Shanghai Key Laboratory of Gastric Neoplasms, Ruijin Hospital, Shanghai Jiao Tong University, Shanghai, 200240, China; State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University, Shanghai, 200240, China;
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22
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Zhang B, Song B, Wang X, Chang XS, Pang T, Zhang X, Yin K, Fang GE. The expression and clinical significance of CD73 molecule in human rectal adenocarcinoma. Tumour Biol 2015; 36:5459-66. [PMID: 25677906 DOI: 10.1007/s13277-015-3212-x] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2014] [Accepted: 02/03/2015] [Indexed: 11/30/2022] Open
Abstract
The ectonucleotidase CD73 degrades adenosine triphosphate (ATP) to adenosine which potently inhibits host immune responses against cancer. This study investigated the expression level and prognostic significance of CD73 in human rectal adenocarcinoma. Our data demonstrated that CD73 staining strongly marked both malignant epithelial cells and stromal components where the protein and messenger RNA (mRNA) expression levels of CD73 were significantly increased compared with paracancerous controls. High CD73 expression in tumor cells can be used as an independent factor for predicting poor patients' prognosis; however, patients with higher density of stromal CD73 were more likely to have favorable characteristics (early T and tumor-node-metastasis (TNM) stages) and overall survival. Notably, combined CD73 expression analysis in both tumoral and stromal compartments was more efficient to foretell patient's outcome where patients with increased CD73 in tumor cells but decreased CD73 in stroma displayed a worst prognosis. Taken together, the current study revealed CD73 expression was increased in both tumoral and stromal compartments. Although upregulated CD73 expression in tumor cells correlates with a poor prognosis in patients with rectal adenocarcinoma, the combination of CD73 expression in malignant epithelial cells and tumor stroma may have a better prognostic value.
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Affiliation(s)
- Bin Zhang
- Department of General Surgery, Changhai Hospital, The Second Military Medical University, Shanghai, 200433, China
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Abstract
Receptors for extracellular nucleotides are widely expressed by mammalian cells. They mediate a large array of responses ranging from growth stimulation to apoptosis, from chemotaxis to cell differentiation and from nociception to cytokine release, as well as neurotransmission. Pharma industry is involved in the development and clinical testing of drugs selectively targeting the different P1 nucleoside and P2 nucleotide receptor subtypes. As described in detail in the present review, P2 receptors are expressed by all tumours, in some cases to a very high level. Activation or inhibition of selected P2 receptor subtypes brings about cancer cell death or growth inhibition. The field has been largely neglected by current research in oncology, yet the evidence presented in this review, most of which is based on in vitro studies, although with a limited amount from in vivo experiments and human studies, warrants further efforts to explore the therapeutic potential of purinoceptor targeting in cancer.
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Burnstock G. Purinergic signalling in the gastrointestinal tract and related organs in health and disease. Purinergic Signal 2014; 10:3-50. [PMID: 24307520 PMCID: PMC3944042 DOI: 10.1007/s11302-013-9397-9] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Accepted: 10/24/2013] [Indexed: 01/04/2023] Open
Abstract
Purinergic signalling plays major roles in the physiology and pathophysiology of digestive organs. Adenosine 5'-triphosphate (ATP), together with nitric oxide and vasoactive intestinal peptide, is a cotransmitter in non-adrenergic, non-cholinergic inhibitory neuromuscular transmission. P2X and P2Y receptors are widely expressed in myenteric and submucous enteric plexuses and participate in sympathetic transmission and neuromodulation involved in enteric reflex activities, as well as influencing gastric and intestinal epithelial secretion and vascular activities. Involvement of purinergic signalling has been identified in a variety of diseases, including inflammatory bowel disease, ischaemia, diabetes and cancer. Purinergic mechanosensory transduction forms the basis of enteric nociception, where ATP released from mucosal epithelial cells by distension activates nociceptive subepithelial primary afferent sensory fibres expressing P2X3 receptors to send messages to the pain centres in the central nervous system via interneurons in the spinal cord. Purinergic signalling is also involved in salivary gland and bile duct secretion.
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Affiliation(s)
- Geoffrey Burnstock
- Autonomic Neuroscience Centre, University College Medical School, Rowland Hill Street, London, NW3 2PF, UK,
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Ladoire S, Hannani D, Vetizou M, Locher C, Aymeric L, Apetoh L, Kepp O, Kroemer G, Ghiringhelli F, Zitvogel L. Cell-death-associated molecular patterns as determinants of cancer immunogenicity. Antioxid Redox Signal 2014; 20:1098-116. [PMID: 23394620 DOI: 10.1089/ars.2012.5133] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
SIGNIFICANCE Accumulating evidence indicates that the success of some anticancer treatments (select chemotherapies or radiotherapy or trastuzumab) could be related to the stimulation of an anticancer immune response through the induction of an immunogenic tumor cell death (ICD). RECENT ADVANCES Preclinical data revealed that dying tumor cells can emit a series of danger signals (so-called "cell-death-associated molecular patterns" (CDAMP)) that will dictate the recruitment and activation of specific inflammatory phagocytes. Hence, tumor cells succumbing to ICD are characterized by specific metabolic and molecular changes that will trigger a hierarchy of polarizing cytokine-producing cells, culminating in the recruitment and reactivation of antitumor interferon-γ-producing effector T cells which contribute to the success of cytotoxic treatments. CRITICAL ISSUES In this review, we summarize the molecular and cellular bases of this ICD, underscoring the crucial role of high mobility group box 1 protein (HMGB1) and adenosine tri-phosphate, both of which are released from dying tumor cells during ICD and are implicated in the chemotherapy-elicited anticancer immune response. FUTURE DIRECTIONS We discuss here how such CDAMP could serve as predictive biomarkers that could discriminate immunogenic from nonimmunogenic anti-cancer compounds, and, in case of deficiency, could be compensated by surrogate products to ameliorate the success rate of conventional anticancer treatment modalities.
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Affiliation(s)
- Sylvain Ladoire
- 1 Institut National de la Santé et de la Recherche Médicale , Villejuif, France
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Koszałka P, Pryszlak A, Gołuńska M, Kolasa J, Stasiłojć G, Składanowski AC, Bigda JJ. Inhibition of CD73 stimulates the migration and invasion of B16F10 melanoma cells in vitro, but results in impaired angiogenesis and reduced melanoma growth in vivo. Oncol Rep 2013; 31:819-27. [PMID: 24297662 DOI: 10.3892/or.2013.2883] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Accepted: 10/29/2013] [Indexed: 11/05/2022] Open
Abstract
The role of ecto-5'-nucleotidase (CD73), an enzyme providing interstitial adenosine, was investigated in B16F10 melanoma progression. Chemical inhibition of CD73 decreased adherence of cells to extracellular matrix proteins in vitro and led to enhanced migration and invasion. Both processes were reversed by adenosine receptor agonists. In CD73‑deficient mice, tumor growth was decreased in comparison with that of wild-type animals. Additionally, the vasculature of CD73-inhibited tumors was impaired and neoangiogenesis in Matrigel plugs was reduced. It is, therefore, proposed that although CD73 shows anti-invasive and antimigratory function in B16F10 melanoma cells, its proangiogenic action is prevalent in vivo and may contribute to increased tumor growth.
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Affiliation(s)
- Patrycja Koszałka
- Department of Medical Biotechnology, Intercollegiate Faculty of Biotechnology UG‑MUG, Medical University of Gdańsk, 80-211 Gdańsk, Poland
| | - Anna Pryszlak
- Department of Medical Biotechnology, Intercollegiate Faculty of Biotechnology UG‑MUG, Medical University of Gdańsk, 80-211 Gdańsk, Poland
| | - Monika Gołuńska
- Department of Medical Biotechnology, Intercollegiate Faculty of Biotechnology UG‑MUG, Medical University of Gdańsk, 80-211 Gdańsk, Poland
| | - Justyna Kolasa
- Department of Medical Biotechnology, Intercollegiate Faculty of Biotechnology UG‑MUG, Medical University of Gdańsk, 80-211 Gdańsk, Poland
| | - Grzegorz Stasiłojć
- Department of Medical Biotechnology, Intercollegiate Faculty of Biotechnology UG‑MUG, Medical University of Gdańsk, 80-211 Gdańsk, Poland
| | - Andrzej C Składanowski
- Department of Medical Biotechnology, Intercollegiate Faculty of Biotechnology UG‑MUG, Medical University of Gdańsk, 80-211 Gdańsk, Poland
| | - Jacek J Bigda
- Department of Medical Biotechnology, Intercollegiate Faculty of Biotechnology UG‑MUG, Medical University of Gdańsk, 80-211 Gdańsk, Poland
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Pragathi P, Bharath Kumar PV, Amar Kumar P, Ramakanth Reddy M, Sravani V, Neeraja J, Reeba Mary E, Gopalakrishna K. Evaluation of serum adenosine deaminase and 5'-nucleotidase activities as probable markers in ovarian cancer. Indian J Clin Biochem 2012; 20:195-7. [PMID: 23105561 DOI: 10.1007/bf02867428] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Adenosine deaminase (ADA) and 5'-nucleotidase (5'-NT) activities were measured in sera of patients with ovarian cancer and patients with benign ovarian tumour. The results were compared with that of a control group consisting of healthy women. ADA levels were significantly increased (P<0.001) in the ovarian cancer group (n=50) but not in the benign group (n=28) when compared to the controls (n=20). The results indicate that ADA and 5'-NT levels may help to differentiate malignant conditions from benign tumours of the ovary in addition to the existing tests such as serum CA-125 levels and histopathological study.
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Affiliation(s)
- P Pragathi
- Department of Biochemistry, Kasturba Medical College, 576 104 Manipal
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Liu N, Fang XD, Vadis Q. CD73 as a novel prognostic biomarker for human colorectal cancer. J Surg Oncol 2012; 106:918-9; author reply 920. [PMID: 22585744 DOI: 10.1002/jso.23159] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2012] [Accepted: 04/25/2012] [Indexed: 12/24/2022]
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Beavis PA, Stagg J, Darcy PK, Smyth MJ. CD73: a potent suppressor of antitumor immune responses. Trends Immunol 2012; 33:231-7. [DOI: 10.1016/j.it.2012.02.009] [Citation(s) in RCA: 271] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2012] [Revised: 02/26/2012] [Accepted: 02/27/2012] [Indexed: 01/21/2023]
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Urunsak IF, Gulec UK, Paydas S, Seydaoglu G, Guzel AB, Vardar MA. Adenosine deaminase activity in patients with ovarian neoplasms. Arch Gynecol Obstet 2012; 286:155-9. [DOI: 10.1007/s00404-012-2279-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2011] [Accepted: 02/23/2012] [Indexed: 10/28/2022]
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Wu XR, He XS, Chen YF, Yuan RX, Zeng Y, Lian L, Zou YF, Lan N, Wu XJ, Lan P. High expression of CD73 as a poor prognostic biomarker in human colorectal cancer. J Surg Oncol 2012; 106:130-7. [PMID: 22287455 DOI: 10.1002/jso.23056] [Citation(s) in RCA: 123] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2011] [Accepted: 01/09/2012] [Indexed: 12/14/2022]
Abstract
BACKGROUND AND OBJECTIVES To investigate the expression dynamics of CD73 and its prognostic significance in human colorectal cancer (CRC). METHODS CD73 expression dynamics were detected by Western blotting. Immunohistochemistry was used to examine the expression of CD73 in CRC tissues from two independent cohorts by tissue microarrays. The optimal cutpoint of CD73 expression was assessed by the X-tile program. RESULTS Western blotting analysis demonstrated that CD73 expression in CRC was significantly higher than in normal colorectal tissues. According to the X-tile program, the cutpoint for high expression of CD73 in CRC was determined when CD73 expression index was more than 5.9. High expression of CD73 was observed in 44.8% and 50.4% of CRC in the training and validation cohorts, respectively. Overexpression of CD73 was significantly correlated with tumor differentiation, nodal status, American Joint Committee on Cancer stage. Patients with high expression of CD73 had a poorer overall survival rate compared with patients with low expression of CD73 in both cohorts. In multivariate Cox regression analysis, overexpression of CD73 was proven to be an independent prognostic biomarker for CRC. CONCLUSIONS High expression of CD73 can be an independent and useful biomarker for predicting the poor survival of patients with CRC.
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Affiliation(s)
- Xian-Rui Wu
- Department of Colorectal Surgery, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou City, Guangdong Province, PR China
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Han SS, Sue LY, Berndt SI, Selhub J, Burdette LA, Rosenberg PS, Ziegler RG. Associations between genes in the one-carbon metabolism pathway and advanced colorectal adenoma risk in individuals with low folate intake. Cancer Epidemiol Biomarkers Prev 2012; 21:417-27. [PMID: 22253295 DOI: 10.1158/1055-9965.epi-11-0782] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Folate is essential for one-carbon metabolism, a pathway required by DNA synthesis, methylation, and repair. Low dietary and circulating folate and polymorphic variation in this pathway are associated with increased risk of colorectal adenoma and cancer. METHODS We genotyped 882 single nucleotide polymorphisms (SNP) in 82 one-carbon metabolism genes for 1,331 cases of advanced colorectal adenoma, identified by sigmoidoscopy at baseline, and 1,501 controls from the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial (PLCO). We evaluated associations between one-carbon genes and adenoma risk in all subjects and stratified by folate intake. We applied the Adaptive Rank Truncated Product (ARTP) method to assess statistical significance at the gene and pathway levels. RESULTS Folate intake was inversely associated with advanced colorectal adenoma risk [odds ratio (OR) by quartile = 0.85, P = 1.9 × 10(-5)]. We found no statistically significant associations between one-carbon genes and adenoma risk in all subjects. As hypothesized, we observed a statistically significant pathway-level association (P = 0.038) in the lowest quartile of folate; no significant associations were found in higher quartiles. Several genes including adenosine deaminase (ADA) and cysteine dioxygenase (CDO1) contributed to this signal (gene-level P = 0.001 and 0.0073, respectively). The most statistically significant SNP was rs244072 in ADA (P = 2.37 × 10(-5)). CONCLUSIONS AND IMPACT Stratification by dietary folate and application of the ARTP method revealed statistically significant pathway- and gene-level associations between one-carbon metabolism genes and risk of advanced colorectal adenoma, which were not apparent in analysis of the entire population. Folate intake may interact with associations between common variants in one-carbon metabolism genes and colorectal adenoma risk.
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Affiliation(s)
- Summer S Han
- 1Epidemiology and Biostatistics Program, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Bethesda, Maryland 20892, USA.
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Rai B, Kaur J, Jacobs R, Anand SC. Adenosine deaminase in saliva as a diagnostic marker of squamous cell carcinoma of tongue. Clin Oral Investig 2011; 15:347-9. [PMID: 20379753 DOI: 10.1007/s00784-010-0404-z] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2009] [Accepted: 03/15/2010] [Indexed: 12/01/2022]
Abstract
Tongue cancer is amongst the most common and fatal types of cancers in the world. The abnormalities in purine metabolism are characteristic features of many human tumors. Little is known about the correlation between the activities of key enzymes of purine nucleotide pathway and clinical indicators of tongue cancer invasiveness and aggressiveness. Fifty patients (M: F 25:25; mean age: 55.6 years (range 45-60; SD 1.8)) with diagnosed squamous cell carcinoma of the tongue (test group) and 30 normal subjects (M: F 15:15) without any systemic disease (control group) were recruited after obtaining informed consent. All patients were staged by the TNM classification. Salivary adenosine deaminase (ADA) activity was assessed in cancerous patients (test group) and normal healthy subjects (control group). Statistically significant differences between test and control groups were observed in salivary ADA (P < 0.001). Furthermore, serum ADA levels significantly increased as the disease stage progressed from stage I to stage III of squamous cell carcinoma of the tongue in both genders (P < 0.001). Salivary ADA might be used as a diagnostic tool for early detection of squamous cell carcinoma of tongue.
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Affiliation(s)
- Balwant Rai
- Oral Imaging Center, School of Dentistry, Oral Pathology and Maxillofacial Surgery, Catholic University Leuven, Kapucijnenvoer 7, 3000 Leuven, Belgium.
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Abstract
Celiac disease (CD) is a genetically based chronic inflammatory disorder of the small bowel induced by the dietary gluten and possibly other environmental cofactors. The objective of this study was to investigate the relation of adenosine deaminase (ADA), a cytoplasmic enzyme involved in the catabolism of purine bases, as an index of altered immune response, with adult CD patients. ADA has been shown to increase in several inflammatory conditions, but there is no literature data indicating an alteration in CD. Serum levels of ADA were investigated in newly diagnosed 20 CD patients. ADA levels were compared in patients with CD and in healthy controls. Correlation analysis was also performed between ADA and other serum markers of CD (anti-gliadin and anti-endomysial antibodies) Mean serum ADA levels were significantly elevated in CD patients compared with control group. ROC curve analysis suggested that the optimum ADA level cut-off point for CD was 12.27 U/l. At a cut-off value of 12.27 U/l, the sensitivity was 80% and specificity was 100%. There was no statistically significant correlation between ADA and anti-gliadin and anti-endomisium antibodies. Serum ADA levels elevated significantly in CD patients, suggesting a partial role in activated T-cell response in the disease pathophysiology. ADA can be used as a supportive diagnostic marker in patients with CD.
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Affiliation(s)
- Basak Cakal
- Department of Gastroenterology, Ankara Education and Research Hospital, Ankara, Turkey
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Zhi X, Wang Y, Zhou X, Yu J, Jian R, Tang S, Yin L, Zhou P. RNAi-mediated CD73 suppression induces apoptosis and cell-cycle arrest in human breast cancer cells. Cancer Sci 2010; 101:2561-9. [PMID: 20874842 DOI: 10.1111/j.1349-7006.2010.01733.x] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Ecto-5'-nucleotidase (CD73), a cell surface protein that hydrolyzes extracellular AMP into adenosine and phosphate, is overexpressed in many solid tumors. In this study, we tested the hypothesis that increased CD73 may promote tumor progression by examining the effect of CD73 suppression via RNA interference and CD73 overexpression on tumor growth in vivo and in vitro. Using digitized whole-body images, plate clone forming assay and TUNEL assay in frozen tissue sections, we found that the cell growth rate was significantly lower in vivo and in vitro after CD73 suppression and late apoptosis was much higher in xenograft tumors developed from the CD73-siRNA transfected MB-MDA-231 clone (P1). By flow cytometry, the P1 cell cycle was arrested in the G0/G1 phase. Moreover, Bcl-2 was downregulated, while Bax and caspase-3 were upregulated with CD73 suppression. CD73 inhibitor α,β-methylene adenosine-5'-disphosphate (APCP) functioned similarly with RNAi-mediated CD73 suppression. In addition, in transfected MCF-7 cells, we found that CD73 overexpression increased cell viability and promoted cell cycle progression, depending on its enzyme activity. More intriguingly, CD73 overexpression in MCF-7 breast cancer cells produces a tumorigenic phenotype. We conclude that CD73 plays an important role in breast cancer growth by affecting cell cycle progression and apoptosis.
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Affiliation(s)
- Xiuling Zhi
- Department of Physiology and Pathophysiology, Shanghai Medical College, Shanghai, China
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Abstract
Background It is a commonly accepted belief that cancer cells modify their transcriptional state during the progression of the disease. We propose that the progression of cancer cells towards malignant phenotypes can be efficiently tracked using high-throughput technologies that follow the gradual changes observed in the gene expression profiles by employing Shannon's mathematical theory of communication. Methods based on Information Theory can then quantify the divergence of cancer cells' transcriptional profiles from those of normally appearing cells of the originating tissues. The relevance of the proposed methods can be evaluated using microarray datasets available in the public domain but the method is in principle applicable to other high-throughput methods. Methodology/Principal Findings Using melanoma and prostate cancer datasets we illustrate how it is possible to employ Shannon Entropy and the Jensen-Shannon divergence to trace the transcriptional changes progression of the disease. We establish how the variations of these two measures correlate with established biomarkers of cancer progression. The Information Theory measures allow us to identify novel biomarkers for both progressive and relatively more sudden transcriptional changes leading to malignant phenotypes. At the same time, the methodology was able to validate a large number of genes and processes that seem to be implicated in the progression of melanoma and prostate cancer. Conclusions/Significance We thus present a quantitative guiding rule, a new unifying hallmark of cancer: the cancer cell's transcriptome changes lead to measurable observed transitions of Normalized Shannon Entropy values (as measured by high-througput technologies). At the same time, tumor cells increment their divergence from the normal tissue profile increasing their disorder via creation of states that we might not directly measure. This unifying hallmark allows, via the the Jensen-Shannon divergence, to identify the arrow of time of the processes from the gene expression profiles, and helps to map the phenotypical and molecular hallmarks of specific cancer subtypes. The deep mathematical basis of the approach allows us to suggest that this principle is, hopefully, of general applicability for other diseases.
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Affiliation(s)
- Regina Berretta
- Centre for Bioinformatics, Biomarker Discovery and Information-Based Medicine, The University of Newcastle, Callaghan, New South Wales, Australia
- Information Based Medicine Program, Hunter Medical Research Institute, John Hunter Hospital, New Lambton Heights, New South Wales, Australia
| | - Pablo Moscato
- Centre for Bioinformatics, Biomarker Discovery and Information-Based Medicine, The University of Newcastle, Callaghan, New South Wales, Australia
- Information Based Medicine Program, Hunter Medical Research Institute, John Hunter Hospital, New Lambton Heights, New South Wales, Australia
- Australian Research Council Centre of Excellence in Bioinformatics, Callaghan, New South Wales, Australia
- * E-mail:
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Jin D, Fan J, Wang L, Thompson LF, Liu A, Daniel BJ, Shin T, Curiel TJ, Zhang B. CD73 on tumor cells impairs antitumor T-cell responses: a novel mechanism of tumor-induced immune suppression. Cancer Res 2010; 70:2245-55. [PMID: 20179192 DOI: 10.1158/0008-5472.can-09-3109] [Citation(s) in RCA: 330] [Impact Index Per Article: 23.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
CD73, originally defined as a lymphocyte differentiation antigen, is thought to function as a cosignaling molecule on T lymphocytes and an adhesion molecule that is required for lymphocyte binding to endothelium. We show here that CD73 is widely expressed on many tumor cell lines and is upregulated in cancerous tissues. Because the ecto-5'-nucleotidase activity of CD73 catalyzes AMP breakdown to immunosuppressive adenosine, we hypothesized that CD73-generated adenosine prevents tumor destruction by inhibiting antitumor immunity. We confirmed this hypothesis by showing that combining tumor CD73 knockdown and tumor-specific T-cell transfer cured all tumor-bearing mice. In striking contrast, there was no therapeutic benefit of adoptive T-cell immunotherapy in mice bearing tumors without CD73 knockdown. Moreover, blockade of the A2A adenosine receptor with a selective antagonist also augmented the efficacy of adoptive T-cell therapy. These findings identify a potential mechanism for CD73-mediated tumor immune evasion and point to a novel cancer immunotherapy strategy by targeting the enzymatic activity of tumor CD73.
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Affiliation(s)
- Dachuan Jin
- Cancer Therapy and Research Center, Department of Medicine, University of Texas Health Science Center, San Antonio, Texas 78229, USA
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Aghaei M, Karami-Tehrani F, Salami S, Atri M. Diagnostic value of adenosine deaminase activity in benign and malignant breast tumors. Arch Med Res 2010; 41:14-8. [PMID: 20430249 DOI: 10.1016/j.arcmed.2009.10.012] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2009] [Accepted: 10/22/2009] [Indexed: 10/19/2022]
Abstract
BACKGROUND AND AIMS The present study was carried out to evaluate the activity of adenosine deaminase (ADA) and its isoenzymes ADA1 and ADA2 activities as a diagnostic tool in patients with benign and malignant breast disease. METHODS Total ADA, ADA1, and ADA2 activities of serum and tumor were analyzed using 58 subjects including 20 patients with benign breast disease (BBD), 34 patients with primary breast cancer, and 20 patients as normal control subjects. RESULTS The mean values for total ADA and ADA2 activities in the serum and tumor of BBD were significantly higher than those of healthy controls (p <0.01). Furthermore, the mean values for total ADA and ADA2 activities of patients with breast cancer were significantly higher than those of the benign group (p <0.005) and healthy subjects (p <0.0001). CONCLUSIONS Based on the present results, it is concluded that the assessment of total ADA and ADA2 activities may be used as a reliable test for differential diagnosis of benign and malignant breast disease.
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Affiliation(s)
- Mahmoud Aghaei
- Department of Clinical Biochemistry, Tarbiat Modarres University, Tehran, Iran
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Giglioni S, Leoncini R, Aceto E, Chessa A, Civitelli S, Bernini A, Tanzini G, Carraro F, Pucci A, Vannoni D. Adenosine kinase gene expression in human colorectal cancer. Nucleosides Nucleotides Nucleic Acids 2008; 27:750-4. [PMID: 18600536 DOI: 10.1080/15257770802145629] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Real-time reverse transcription polymerase chain reaction (qRT-PCR) was used to evaluate gene expression of adenosine kinase, a key enzyme in adenosine metabolism, in human intestinal biopsy specimens of 10 colorectal cancer patients. Quantitative mRNA expression levels were normalized against the reference gene beta-actin. The results showed that adenosine kinase gene expression was significantly higher in cancer than in normal-appearing tissue, in line with our previous measurements of adenosine kinase enzyme activities in colorectal tumor samples.
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Affiliation(s)
- S Giglioni
- Dipartimento di Medicina Interna, Sc. Endocrino-Metaboliche e Biochimica, Università di Siena, Italy
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Bavaresco L, Bernardi A, Braganhol E, Cappellari AR, Rockenbach L, Farias PF, Wink MR, Delgado-Cañedo A, Battastini AMO. The role of ecto-5'-nucleotidase/CD73 in glioma cell line proliferation. Mol Cell Biochem 2008; 319:61-8. [PMID: 18636315 DOI: 10.1007/s11010-008-9877-3] [Citation(s) in RCA: 96] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2008] [Accepted: 07/03/2008] [Indexed: 12/11/2022]
Abstract
Malignant gliomas are the most common and devastating primary tumors in the brain and, despite treatment, patients with these tumors have a poor prognosis. The participation of ecto-5'-NT/CD73 per se as a proliferative factor, being involved in the control of cell growth, differentiation, invasion, migration and metastasis processes has been previously proposed. In the present study, we evaluated the activity and functions of ecto-5'-NT/CD73 during the proliferation process of rat C6 and human U138MG glioma cell lines. Increasing confluences and culture times led to an increase in ecto-5'-NT/CD73 activity in both C6 and U138MG glioma cells. RT-PCR analysis and flow cytometry analysis showed a significant increase in ecto-5'-NT/CD73 mRNA and protein levels, respectively, comparing confluent with sub-confluent cultures in human U138MG glioma cells. Ecto-5'-nucleotidase/CD73 may regulate the extracellular adenosine 5'-monophosphate (AMP) and adenosine levels. Treatment with 1 microM APCP, a competitive ecto-5'-NT/CD73 inhibitor, caused a significant reduction of 30% in glioma cell proliferation. In addition, 100 microM adenosine increases cell proliferation by 36%, and the treatment with adenosine plus NBTI and dipyridamole, produced an additional and significant increase of on cell proliferation. The inhibitory effect on cell proliferation caused by APCP was reverted by co-treatment with NBTI and dipyridamole. AMP (1 mM and 3 mM) decreased U138MG glioma cell proliferation by 29% and 42%, respectively. Taken together, these results suggest the participation of ecto-5'-NT/CD73 in cell proliferation and that this process is dependent upon the enzyme's production of adenosine, a proliferative factor, and removal of AMP, a toxic molecule for gliomas.
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Affiliation(s)
- Luci Bavaresco
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos, Porto Alegre, RS, Brazil
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Ibiş M, Köklü S, Yilmaz FM, Başar O, Yilmaz G, Yüksel O, Yildirim E, Oztürk ZA. Serum adenosine deaminase levels in pancreatic diseases. Pancreatology 2007; 7:526-30. [PMID: 17901713 DOI: 10.1159/000108970] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2007] [Accepted: 08/02/2007] [Indexed: 12/11/2022]
Abstract
BACKGROUND Adenosine deaminase (ADA) is found in most tissues including the pancreas. Its role in inflammation and malignancy has been studied experimentally. To date, serum ADA levels in pancreatic diseases have not been studied before. AIM To assess the levels of ADA in patients with pancreatitis and cancer of the pancreas. METHODOLOGY Serum levels of ADA were investigated in 14 cases with acute pancreatitis (mean age 46 years; male/female 5/9), 38 with chronic pancreatitis (mean age 46 years; male/female 25/13), 21 with cancer of the pancreas (mean age 67 years; male/female 11/10), and 21 healthy controls (mean age 40 years; male/female 11/10). The ADA levels were also compared among patients with pancreatic cancer with regard to tumor size and localization and the presence of metastases. Correlation analysis between ADA and CA 19.9 was also performed. RESULTS Serum ADA levels were 12.66 (9.54-20.72), 12.51 (8.88-26.64), 15.36 (10.20-21.05) and 9.39 (6.58-11.84) U/l in patients with acute pancreatitis, chronic pancreatitis, pancreatic cancer, and healthy controls, respectively. Serum ADA levels were significantly higher in acute and chronic pancreatitis, and pancreatic cancer patients compared to the control group (p < 0.05). Pancreatic cancer patients had significantly higher serum ADA levels when compared with acute and chronic pancreatitis cases (p < 0.05). The serum ADA levels were comparable according to tumor size and location and the presence of metastases. There was a linear correlation between serum ADA and CA 19-9 levels (p = 0.027, r = 0.552). CONCLUSIONS Our data suggest that the ADA enzyme may play a role in inflammatory diseases of the pancreas. Serum ADA levels increase in pancreatic disorders especially in pancreatic cancer. It may be a serum marker for the diagnosis of pancreatic cancer.
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Affiliation(s)
- Mehmet Ibiş
- Department of Gastroenterology, Dişkapi Yildirim Beyazit Education and Research Hospital, Ankara, Turkey
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Khambata-Ford S, Garrett CR, Meropol NJ, Basik M, Harbison CT, Wu S, Wong TW, Huang X, Takimoto CH, Godwin AK, Tan BR, Krishnamurthi SS, Burris HA, Poplin EA, Hidalgo M, Baselga J, Clark EA, Mauro DJ. Expression of epiregulin and amphiregulin and K-ras mutation status predict disease control in metastatic colorectal cancer patients treated with cetuximab. J Clin Oncol 2007; 25:3230-7. [PMID: 17664471 DOI: 10.1200/jco.2006.10.5437] [Citation(s) in RCA: 876] [Impact Index Per Article: 51.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
PURPOSE The antiepidermal growth factor receptor (EGFR) antibody cetuximab shows activity in multiple epithelial tumor types; however, responses are seen in only a subset of patients. This study was conducted to identify markers that are associated with disease control in patients treated with cetuximab. PATIENTS AND METHODS One hundred ten patients with metastatic colorectal cancer were enrolled onto a cetuximab monotherapy trial. Transcriptional profiling was conducted on RNA from mandatory pretreatment metastatic biopsies to identify genes whose expression correlates with best clinical responses. EGFR and K-ras mutation analyses and EGFR gene copy number analyses were performed on DNA from pretreatment biopsies. RESULTS Gene expression profiles showed that patients with tumors that express high levels of the EGFR ligands epiregulin and amphiregulin are more likely to have disease control with cetuximab (EREG, P = .000015; AREG, P = .000025). Additionally, patients whose tumors do not have K-ras mutations have a significantly higher disease control rate than patients with K-ras mutations (P = .0003). Furthermore, patients with tumors that have high expression of EREG or AREG also have significantly longer progression-free survival (PFS) than patients with low expression (EREG: P = .0002, hazard ratio [HR] = 0.47, and median PFS, 103.5 v 57 days, respectively; AREG: P < .0001, HR = 0.44, and median PFS, 115.5 v 57 days, respectively). CONCLUSION Patients with tumors that have high gene expression levels of epiregulin and amphiregulin and patients with wild-type K-ras are more likely to have disease control on cetuximab treatment. The identified markers could be developed further to select patients for cetuximab therapy.
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Wang L, Zhou X, Zhou T, Ma D, Chen S, Zhi X, Yin L, Shao Z, Ou Z, Zhou P. Ecto-5'-nucleotidase promotes invasion, migration and adhesion of human breast cancer cells. J Cancer Res Clin Oncol 2007; 134:365-72. [PMID: 17671792 DOI: 10.1007/s00432-007-0292-z] [Citation(s) in RCA: 147] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2006] [Accepted: 07/18/2007] [Indexed: 01/16/2023]
Abstract
PURPOSE Associated with many molecules, metastasis includes cell adhesion to extracellular matrix, migration towards specific direction and invasion into local vessel of distant organs. The purpose of the present study was to evaluate the role of ecto-5'-nucleotidase (eN, ecto-5-NT, CD73) generated extracellular adenosine in biologically malignant behaviors of human breast cancer cell lines. MATERIALS AND METHODS Two human breast cancer cell lines, T-47D with lower expression of CD73 and MB-MDA-231 with higher expression of CD73, were used to investigate the functions of CD73. The effects of CD73 over-expression on invasion, migration and adhesion were observed in T-47D transfected with pcDNA-NT5E plasmid. The effects of specific CD73 inhibitor, alpha, ss-methylene ADP (APCP), were observed in MB-MDA-231 cells. RESULTS The results showed CD-73 overexpression increased invasion, migration and adhesion to ECM of the pcDNA-NT5E transfected T-47D cells compared to the saline and mock vector controls. The increased cell mobility of CD-73-overexpressed T-47D cells was blocked by APCP. Adenosine increased the mobility of wild type T-47D cells. APCP inhibited the mobility of the MB-MDA-231 cells. CONCLUSION Taken together, our results indicated that CD73 may facilitate the adhesion, migration and invasion of human breast cancer cells through its enzyme activity of generating adenosine. This study provided a possibly molecular mechanism of metastasis of breast carcinoma.
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Affiliation(s)
- Li Wang
- Department of Physiology and Pathophysiology, Shanghai Medical College, Fudan University, 138# Yixueyuan Road, Shanghai 200032, People's Republic of China
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Abstract
Ecto-5'-nucleotidase is a GPI-anchored enzyme localized in cell membrane lipid rafts. Although it is highly expressed in many tumour cells, its specific function during tumorigenesis is unclear. We have found that, among different melanoma cells, upregulated expression of ecto-5'-nucleotidase is associated with a highly invasive phenotype. Analysis of other cell membrane proteins involved in melanoma adhesion and metastasis demonstrated that expression of alpha5, beta1, beta3-integrin subunits and CD44 was elevated gradually in accordance with increasing metastatic potential. Expression of alphav-integrin and caveolin-1 was seen mostly in cells derived from metastatic melanomas. Furthermore, in contrast to N-cadherin, which was unaltered in all lines, we could not detect E-cadherin in any cell type. Functional assays demonstrated that highly expressed ecto-5'-nucleotidase is a catalytically competent protein that is very sensitive to inhibition by concanavalin A. The interaction with concanavalin A also caused increased association of ecto-5'-nucleotidase-rich lipid rafts with much heavier cytoskeletal complexes as determined by density gradient centrifugation. A similar shift towards heavier cytoskeletal fractions also took place with other proteins coexpressed with ecto-5'-nucleotidase, such as alphav, alpha5, beta1 and beta3-integrins, caveolin-1 and CD44. As ConA-induced clustering may reflect the interactions of membrane proteins with extracellular matrix, we also analysed the effect of several extracellular matrix proteins on the in-situ activity of ecto-5'-nucleotidase in WM9 cells and found that tenascin C strongly inhibited ecto-5'-nucleotidase activity and adenosine generation from AMP. We also developed WM9 cells with reduced ecto-5'-nucleotidase expression and tested differences in cell adhesion on various extracellular matrix proteins. WM9 cells attached significantly weaker to tenascin C layer. These observations indicate that expression of ecto-5'-nucleotidase correlates with a number of metastasis-related markers and thus may have a function in this process. Furthermore, our data suggest that, in addition to generating adenosine, ecto-5'-nucleotidase may have independent roles in adhesion and interaction with extracellular matrix components in melanoma.
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Affiliation(s)
- Rafal Sadej
- Department of Enzymology, Intercollegiate Faculty of Biotechnology, University of Gdansk and Medical University of Gdansk, Gdansk, Poland
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Aghaei M, Karami-Tehrani F, Salami S, Atri M. Adenosine deaminase activity in the serum and malignant tumors of breast cancer: the assessment of isoenzyme ADA1 and ADA2 activities. Clin Biochem 2006; 38:887-91. [PMID: 16054616 DOI: 10.1016/j.clinbiochem.2005.05.015] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2005] [Revised: 05/04/2005] [Accepted: 05/25/2005] [Indexed: 10/25/2022]
Abstract
OBJECTIVE The potential relationship between adenosine deaminase activity and cancer progression was examined by investigating the activity of total ADA and its isoenzymes in serum and simultaneously in the cancerous tissue of each patient with breast cancer. METHODS Total ADA and its isoenzymes were measured using the Giusti method. ADA2 activity was measured in the presence of a specific ADA1 inhibitor, EHNA. RESULTS Our results indicated that ADA2 and total ADA activities were higher in serum and malignant tissues than those of corresponding controls (P < 0.05). Tumor ADA2 and total ADA activities were significantly (P < 0.05) correlated with lymph node involvement, histological grade and tumor size, whereas their levels in serum were significantly (P < 0.05) correlated with menopausal status and patient age. CONCLUSION Although serum and tumor total ADA activity and its ADA2 isoenzyme were both found to be increased, distinct correlation patterns were observed with some of the prognostic factors. It can be speculated that increased ADA and isoenzyme activities in serum originated from sources other than the breast tumors.
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Affiliation(s)
- Mahmood Aghaei
- Clinical Biochemistry Department, Cancer Research Laboratory, School of Medical Science, Tarbiat Modarres University, PO Box: 14115-111, Tehran, Iran
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Vannoni D, Bernini A, Carlucci F, Civitelli S, Di Pietro MC, Leoncini R, Rosi F, Tabucchi A, Tanzini G, Marinello E. Enzyme activities controlling adenosine levels in normal and neoplastic tissues. Med Oncol 2004; 21:187-95. [PMID: 15299191 DOI: 10.1385/mo:21:2:187] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2003] [Accepted: 01/21/2004] [Indexed: 11/11/2022]
Abstract
Adenosine is known to be associated with effects such as inhibition of immune response, coronary vasodilation, stimulation of angiogenesis, and inhibition of inflammatory reactions. Some authors suggest that adenosine may also have similar functions in tumor tissues. Tissue levels of adenosine are under close regulation by different enzymes acting at different levels. Adenosine is produced from AMP by the action of 5'-nucleotidase (5'-NT) and is converted back into AMP by adenosine kinase (AK) or into inosine by adenosine deaminase (ADA). Inosine is converted into purine catabolites by purine nucleoside phosphorylase (PNP), whereas AMP is converted into ADP and ATP by adenylate kinase (MK). The aim of this study was to analyze the activities of the above enzymes in fragments of neoplastic and apparently normal mucosa, obtained less than 5 cm and at least 10 cm from tumors, in 40 patients with colorectal cancer. The results showed much higher activities of ADA, AK, 5'-NT, and PNP in tumor tissue than in neighboring mucosa (p > 0.01 for ADA, AK, and PNP; p > 0.05 for 5'-NT), suggesting that the activities of purine metabolizing enzymes increase to cope with accelerated purine metabolism in cancerous tissue. The simultaneous increase in ADA and 5'-NT activities might be a physiological attempt by cancer cells to provide more substrate to accelerate salvage pathway activity.
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Affiliation(s)
- D Vannoni
- Department of Internal Medicine, Endocrine-Metabolic Sciences and Biochemistry, Division of Biochemistry, University of Siena, 53100 Siena, Italy.
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