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Azoulay D, Tapuchi T, Ronen O, Akria L, Cohen HI, Surio C, Chepa SR, Eshel E, Zarfati M, Stemer G, Horowitz NA. Flow-cytometry Assessment of DNA content and Immunophenotyping of Immune-cells in Lymph-node-specimens as a Potential Diagnostic Signature of Aggressiveness in B-Non-Hodgkin Lymphomas. Ann Hematol 2024:10.1007/s00277-024-05807-8. [PMID: 38777843 DOI: 10.1007/s00277-024-05807-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 05/14/2024] [Indexed: 05/25/2024]
Abstract
Flow-cytometry (FC) is a powerful tool that can assist in lymphoma diagnosis in lymph node (LN) specimens. Although lymphoma diagnosis and classification are mainly based on tumor cell characteristics, surrounding cells are less employed in this process. We retrospectively investigated alterations in the ploidy status, proliferative cell fraction (PF) and the percentages of surrounding immune cells in 62 consecutive LN specimens with B-Cell Non-Hodgkin Lymphoma (B-NHL) that were submitted for FC evaluation between 2019-2022. Compared with indolent B-NHLs, aggressive B-NHLs show increased DNA aneuploidy and PF, increased monocytes, immature-granulocytes, mature granulocytes, CD8+ T-cells, Double-Negative-T-cells and Double-Positive-T-cells, and decreased total CD45+ cells, total lymphocytes, CD4+ T-cells and CD4/CD8 ratio. Receiver operating characteristic analysis determined PF > 6.8% and immature-granulocytes > 0.9% as optimal cutoffs with highest specificity and sensitivity in differentiating aggressive and indolent B-NHLs. These findings further strength the diagnostic value of DNA content analysis by FC and suggest the utilization of tumor surrounding immune cells in NHL diagnosis and classification.
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Affiliation(s)
- David Azoulay
- Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel.
- Hematology Unit and Laboratories, Galilee Medical Center, Nahariya, Israel.
| | - Tal Tapuchi
- Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel
| | - Ohad Ronen
- Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel
- Department of Otolaryngology - Head and Neck Surgery, Director Head and Neck Surgery Unit, Galilee Medical Center, Nahariya, Israel
| | - Luiza Akria
- Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel
- Hematology Unit and Laboratories, Galilee Medical Center, Nahariya, Israel
| | - Hector I Cohen
- Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel
- Pathology Unit and Laboratories, Galilee Medical Center, Nahariya, Israel
| | - Celia Surio
- Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel
- Hematology Unit and Laboratories, Galilee Medical Center, Nahariya, Israel
| | | | - Elizabeth Eshel
- Hematology Unit and Laboratories, Ziv Medical Center, Safed, Israel
| | - Moran Zarfati
- Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel
- Hematology Unit and Laboratories, Galilee Medical Center, Nahariya, Israel
| | - Galia Stemer
- Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel
- Hematology Unit and Laboratories, Galilee Medical Center, Nahariya, Israel
| | - Netanel A Horowitz
- The Ruth and Bruce Rappaport Faculty of Medicine, Department of Hematology and BMT, Rambam Health Care Campus, Israel Institute of Technology, Haifa, TechnionHaifa, Israel
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Assis-Mendonça GR, Campos LG, Delamain MT, de Brito ABC, Fanelli MF, Soares FA, de Souza CA, Vassallo J, Lima CSP. Association of single nucleotide variants in VEGFA and KDR with the risk and angiogenic features of diffuse large B-cell lymphoma. Leuk Lymphoma 2023; 64:2165-2177. [PMID: 37647140 DOI: 10.1080/10428194.2023.2248330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 07/14/2023] [Accepted: 08/10/2023] [Indexed: 09/01/2023]
Abstract
Diffuse large B-cell lymphoma (DLBCL) is the most common lymphoma subtype and dependent on angiogenesis (AG), whose main effectors are VEGFA and VEGFR2. Functional single nucleotide variants (SNVs) are described in VEGFA and KDR genes. However, it still unknown whether VEGFA - 2578C/A, -2489C/T, -1154G/A, -634G/C, -460C/T and KDR-604T/C, -271G/A, +1192G/A and +1719A/T SNVs act on DLBCL risk and angiogenic features. Genomic DNA from 168 DLBCL patients and 205 controls was used for SNV genotyping. Angiogenesis was immunohistochemically assessed in tumor biopsies, with reactions for VEGFA, VEGFR2, and CD34. VEGFA -1154GG genotype were associated with 1.6-fold higher DLBCL risk. KDR + 1192GG plus KDR + 1719 TT and KDR + 1192GG plus VEGFA - 2578CC combined genotypes are associated with 2.19- and 2.04-fold higher risks of DLBCL, respectively. VEGFA - 634GG or GC genotypes are associated with increased microvessel density and VEGFA levels. No relationship was observed between SNVs and cell-of-origin classification of DLBCL, but higher VEGFA and VEGFR2 were seen in non-germinal center tumors.
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Affiliation(s)
- Guilherme Rossi Assis-Mendonça
- School of Medical Sciences, Laboratory of Cancer Genetics, University of Campinas, Campinas, Brazil
- Young Physician Leaders Program, National Academy of Medicine, Rio de Janeiro, Brazil
| | - Letícia Goulart Campos
- School of Medical Sciences, Laboratory of Cancer Genetics, University of Campinas, Campinas, Brazil
| | | | | | | | - Fernando Augusto Soares
- Instituto D'Or de Pesquisa e Ensino (IDOR), Anatomic Pathology D'Or Hospitals Network, São Paulo, Brazil
| | - Cármino Antônio de Souza
- Hematology and Hemotherapy Center, University of Campinas, Campinas, Brazil
- Department of Internal Medicine, School of Medical Sciences, University of Campinas, Campinas, Brazil
| | - José Vassallo
- Instituto D'Or de Pesquisa e Ensino (IDOR), Anatomic Pathology D'Or Hospitals Network, São Paulo, Brazil
- Department of Pathology, School of Medical Sciences, University of Campinas, Campinas, Brazil
| | - Carmen Silvia Passos Lima
- School of Medical Sciences, Laboratory of Cancer Genetics, University of Campinas, Campinas, Brazil
- Department of Anesthesiology, Oncology and Radiology, School of Medical Sciences, University of Campinas, Campinas, Brazil
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BATMAN A, CİFTCİLER R, ATEŞOĞLU EB, HACIHANEFİOĞLU A. Prognostic importance of thrombospondin-1, VEGF, PDGFR- β in diffuse large B-cell lymphoma. JOURNAL OF HEALTH SCIENCES AND MEDICINE 2022. [DOI: 10.32322/jhsm.1146953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Aim: In this study, we aimed to investigate the relationship between the staining rates of thrombospondin-1, VEGF, and PDGFR-in tissue preparations in patients diagnosed with DLBCL and their clinical features at the time of diagnosis, and response to treatment and prognosis.
Material and Method: A total of 44 patients with a diagnosis of DLBCL and 13 patients diagnosed with control reactive lymphadenopathy were included in this study. After immunohistochemical staining of the pathology preparations of the patient and control groups with VEGF, PDGFR-β and thrombospondin-1 stains, the clinical characteristics of the patients and the relationship between survival analysis and staining rates were statistically analyzed.
Results: When the patients were compared with the control group in terms of VEGF, PDGFR-β, and thrombospondin-1 staining rates, we found that staining with PDGFR-β was lower in patients (p=0.009). Although it was not statistically significant for PDGFR-β, it was observed that 5-year OS and PFS values were low in patients with high levels of expression, on the contrary, 5-year OS was low in patients with high thrombospondin staining rate. A negative correlation was observed between thrombospondin-1 and PDGFR-β (p=0.003, r=-0.440).
Conclusion: As a result, although no relationship was found between VEGF and survival in our study, it was observed that PDGFR-β and thrombospondin-1 were effective in prognosis. A negative correlation was observed between thrombospondin-1 and PDGFR-β.
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Affiliation(s)
- Adnan BATMAN
- Koc University, School of Medicine, Department of Endocrinology and Metabolism
| | - Rafiye CİFTCİLER
- Aksaray Training and Research Hospital, Department of Hematology,
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H3K27m3 overexpression as a new, BCL2 independent diagnostic tool in follicular and cutaneous follicle center lymphomas. Virchows Arch 2022; 481:489-497. [PMID: 35661922 PMCID: PMC9485181 DOI: 10.1007/s00428-022-03347-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 05/10/2022] [Accepted: 05/18/2022] [Indexed: 11/19/2022]
Abstract
Approximately 15% of follicular lymphomas (FL) lack overexpression of BCL2 and the underlying translocation t(14;18). These cases can be diagnostically challenging, especially regarding follicular hyperplasia (FH). In a subset of FL, mutations in genes encoding for epigenetic modifiers, such as the histone-lysine N-methyltransferase EZH2 (enhancer of zeste homolog 2), were found, which might be used diagnostically. These molecular alterations can lead to an increased tri-methylation of histone H3 at position lysine 27 (H3K27m3) that, in turn, can be visualized immunohistochemically. The aim of this study was to analyze the expression of H3K27m3 in FL, primary cutaneous follicle center lymphomas (PCFCL), and pediatric-type FL (PTFL) in order to investigate its value in the differential diagnosis to FH and other B cell lymphomas and to correlate it to BCL2 expression and the presence of t(14;18). Additionally, the mutational profile of selected cases was considered to address H3K27m3’s potential use as a surrogate parameter for mutations in genes encoding for epigenetic modifiers. Eighty-nine percent of FL and 100% of PCFCL cases overexpressed H3K27m3, independently of BCL2, EZH2, and the presence of mutations. In contrast, 95% of FH and 100% of PTFL cases lacked H3K27m3 overexpression. Other B cell lymphomas considered for differential diagnosis also showed overexpression of H3K27m3 in the majority of cases. In summary, overexpression of H3K27m3 can serve as a new, BCL2 independent marker in the differential diagnosis of FL and PCFCL, but not PTFL, to FH, while being not of help in the differential diagnosis of FL to other B cell lymphomas.
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Sulfur Exafluoride Contrast-Enhanced Ultrasound Showing Early Wash-Out of Marked Degree Identifies Lymphoma Invasion of Spleen with Excellent Diagnostic Accuracy: A Monocentric Study of 260 Splenic Nodules. Cancers (Basel) 2022; 14:cancers14081927. [PMID: 35454833 PMCID: PMC9024767 DOI: 10.3390/cancers14081927] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/30/2022] [Accepted: 04/06/2022] [Indexed: 02/04/2023] Open
Abstract
Contrast-enhanced ultrasonography (CEUS) use for detecting lymphoma in the spleen was questioned because of the risk of its inadequate diagnostic accuracy. The aim of the present study was to validate CEUS exam for the identification of spleen involvement by lymphoma in patients at risk. A total of 260 nodules from the spleens of 77 patients with lymph node biopsy-proven non-Hodgkin lymphoma (NHL; n = 44) or Hodgkin lymphoma (HL; n = 33) at staging (n = 56) or follow-up (n = 21) were collected in a hematology Italian center and retrospectively analyzed. Nodules were classified as malignant lymphoma if ≥0.5 cm (long axis) with arterial phase isoen-hancement and early (onset <60 s after contrast agent injection) wash-out of marked (≤120 s after contrast agent injection) degree. Other perfusional combinations at CEUS scans qualified lesions as benign or inconclusive. Diagnostic reference standard was clinical laboratory imaging monitoring for 230 nodules, and/or histology for 30 nodules. The median nodule size was 1.5 cm (range 0.5−7 cm). According to the reference standard, 204 (78%) nodules were lymphomas (aggressive-NHL (a-NHL), 122; classic-HL (c-HL), 65; indolent (i)-NHL, 17) and 56 (22%) were benign (inflammation, infection, and/or mesenchymal) lesions. Sensitivity, specificity, positive predictive value, negative predictive value, and overall diagnostic accuracy of CEUS for detecting lymphoma in the spleen were 95%, 100%, 100%, 85%, and 96%, respectively. Marked wash-out range of 55−90 s (median, 74 s), 92−120 s (median, 100 s), and 101−120 s (median, 114.5 s) was 100%, 96.6%, and 77% predictive of a-NHL, c-HL, and i-NHL splenic nodular infiltration, respectively. The CEUS perfusional pattern of arterial phase isoenhancement with early wash-out of marked degree was highly accurate for the detection of lymphomatous invasion of spleen in patients at risk, enabling its use for a confident non-invasive diagnosis.
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Stirm K, Leary P, Bertram K, Núñez NG, Wüst D, Boudesco C, Verhoeyen E, Zenz T, Becher B, Menter T, Tzankov A, Müller A. Tumor cell-derived IL-10 promotes cell-autonomous growth and immune escape in diffuse large B-cell lymphoma. Oncoimmunology 2021; 10:2003533. [PMID: 34858727 PMCID: PMC8632300 DOI: 10.1080/2162402x.2021.2003533] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Diffuse large B-cell lymphoma (DLBCL) is an aggressive malignancy arising from germinal center or post-germinal center B-cells that retain many of the properties of normal B-cells. Here we show that a subset of DLBCL express the cytokine IL-10 and its receptor. The genetic ablation of IL-10 receptor signaling abrogates the autocrine STAT3 phosphorylation triggered by tumor cell-intrinsic IL-10 expression and impairs growth of DLBCL cell lines in subcutaneous and orthotopic xenotransplantation models. Furthermore, we demonstrate using an immunocompetent Myc-driven model of DLBCL that neutralization of IL-10 signaling reduces tumor growth, which can be attributed to reduced Treg infiltration, stronger intratumoral effector T-cell responses, and restored tumor-specific MHCII expression. The effects of IL-10R neutralization were phenocopied by the genetic ablation of IL-10 signaling in the Treg compartment and could be reversed by MHCII blockade. The BTK inhibitor ibrutinib effectively blocked tumor cell-intrinsic IL-10 expression and tumor growth in this Myc-driven model. Tumors from patients with high IL-10RA expression are infiltrated by higher numbers of Tregs than IL-10RAlow patients. Finally, we show in 16 cases of DLBCL derived from transplant patients on immunosuppressive therapy that IL-10RA expression is less common in this cohort, and Treg infiltration is not observed.
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Affiliation(s)
- Kristin Stirm
- Institute of Molecular Cancer Research, University of Zurich, Zurich, Switzerland
| | - Peter Leary
- Institute of Molecular Cancer Research, University of Zurich, Zurich, Switzerland
| | - Katrin Bertram
- Institute of Molecular Cancer Research, University of Zurich, Zurich, Switzerland
| | | | - Daria Wüst
- Institute of Molecular Cancer Research, University of Zurich, Zurich, Switzerland
| | - Christophe Boudesco
- Institute of Molecular Cancer Research, University of Zurich, Zurich, Switzerland
| | - Els Verhoeyen
- CIRI, Université de Lyon; Inserm U1111; Ens de Lyon, France.,C3M, Université Côte d'Azur, INSERM, Nice, France
| | - Thorsten Zenz
- Department of Medical Oncology and Hematology, University Hospital Zurich and University of Zurich, Zurich, Switzerland.,Comprehensive Cancer Center Zurich, Zurich, Switzerland
| | - Burkhard Becher
- Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland.,Comprehensive Cancer Center Zurich, Zurich, Switzerland
| | - Thomas Menter
- Institute of Medical Genetics and Pathology, University Hospital Basel, University of Basel, Switzerland
| | - Alexandar Tzankov
- Institute of Medical Genetics and Pathology, University Hospital Basel, University of Basel, Switzerland
| | - Anne Müller
- Institute of Molecular Cancer Research, University of Zurich, Zurich, Switzerland.,Comprehensive Cancer Center Zurich, Zurich, Switzerland
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Liao C, Liu H, Luo X. The emerging roles of exosomal miRNAs in nasopharyngeal carcinoma. Am J Cancer Res 2021; 11:2508-2520. [PMID: 34249413 PMCID: PMC8263644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Accepted: 04/13/2021] [Indexed: 06/13/2023] Open
Abstract
Nasopharyngeal carcinoma (NPC) is a unique subtype of head and neck cancer that is endemic to Southern China and Southeast Asia. Due to the concealed location and intrinsic invasiveness of this disease, majority of NPC patients are diagnosed with advanced stages (III and IV) and poor prognosis. Chemoradiotherapy resistance is a major problem for NPC patients, leading to incomplete local elimination, recurrence and metastasis. Therefore, it is of great significance to seek novel biomarkers and effective therapeutic regimen for clinical management of this deadly cancer. Exosomes are tiny membrane vesicles with a lipid bilayer secreted by most cells in the body, which are widely distributed in various body fluids. They are functionally active in different physiopathological process by carrying and transmitting important signal molecules such as miRNA, mRNA, protein, lipid, etc. Exosomal miRNAs play an important role in tumorigenesis and development of NPC. They are extensively involved in NPC cell proliferation, migration, invasion, neovascularization, radiotherapy resistance and the regulation of tumor immune microenvironment through intercellular communication and control of gene expression. Moreover, exosomal miRNAs can be used as valuable biomarkers for early diagnosis and therapeutic targets of NPC.
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Affiliation(s)
- Chaoliang Liao
- Key Laboratory of Carcinogenesis and Invasion, Chinese Ministry of Education, Department of Radiology, Xiangya Hospital, Central South UniversityChangsha 410078, Hunan, PR China
- Cancer Research Institute, School of Basic Medicine, Central South UniversityChangsha 410078, Hunan, PR China
- Key Laboratory of Carcinogenesis, Chinese Ministry of HealthChangsha 410078, Hunan, PR China
| | - Huiwen Liu
- Key Laboratory of Carcinogenesis and Invasion, Chinese Ministry of Education, Department of Radiology, Xiangya Hospital, Central South UniversityChangsha 410078, Hunan, PR China
- Cancer Research Institute, School of Basic Medicine, Central South UniversityChangsha 410078, Hunan, PR China
- Key Laboratory of Carcinogenesis, Chinese Ministry of HealthChangsha 410078, Hunan, PR China
| | - Xiangjian Luo
- Key Laboratory of Carcinogenesis and Invasion, Chinese Ministry of Education, Department of Radiology, Xiangya Hospital, Central South UniversityChangsha 410078, Hunan, PR China
- Cancer Research Institute, School of Basic Medicine, Central South UniversityChangsha 410078, Hunan, PR China
- Key Laboratory of Carcinogenesis, Chinese Ministry of HealthChangsha 410078, Hunan, PR China
- Molecular Imaging Research Center of Central South UniversityChangsha 410078, Hunan, PR China
- Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South UniversityChangsha 410078, Hunan, China
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Kataria SP, Malik S, Yadav R, Kapil R, Sen R. Histomorphological and Morphometric Evaluation of Microvessel Density in Nodal Non-Hodgkin Lymphoma Using CD34 and CD105. J Lab Physicians 2021; 13:22-28. [PMID: 34149231 PMCID: PMC8205556 DOI: 10.1055/s-0041-1726569] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Background
Expression of angiogenic markers determined by microvessel density (MVD) could be used as a reliable predictor of prognosis and as a potential target for antiangiogenic therapy in different categories of non-Hodgkin lymphoma (NHL).
Aims
The aim of this study was to evaluate MVD using immunohistochemical methods and computer-assisted quantitative image analysis in nodal NHL patients and compare CD34 and CD105 expression in lymph nodes of NHL patients.
Materials and Methods
The present study was conducted on 60 lymph node biopsies received in the Department of Pathology at our tertiary care center for histopathological examination. Representative paraffin-embedded tissue sections were stained with hematoxylin and eosin along with immunohistochemical stains for CD34 and CD105. MVDs were analyzed at 400× using automated image analyzer by two investigators independently.
Statistical Analysis
Data were calculated, tabulated, and statistically analyzed using SPSS (Statistical Package for Social Studies) statistical program version 18. The values entered were mean of morphometric parameters. In all tests,
p
-values below 0.05 were regarded as significant.
Results
MVD was determined by CD34 and CD105 antibody highly correlated with different categories of NHL. Higher MVD was observed in cases of aggressive NHL as compared with indolent NHL and the difference was statistically significantly. MVD using CD105 was correlated more strongly as compared to CD34 with different categories of NHL.
Conclusion
The present study concluded that NHL exhibits potent angiogenic activity that increased significantly with increasing aggressiveness. The study also demonstrated that CD105 is more specific than CD34 as a marker of neoangiogenesis in NHL.
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Affiliation(s)
| | - Sant Prakash Kataria
- Department of Pathology, Pt. B. D. Sharma Post Graduate Institute of Medical Sciences, Rohtak, Haryana, India
| | - Shivani Malik
- Department of Pathology, Pt. B. D. Sharma Post Graduate Institute of Medical Sciences, Rohtak, Haryana, India
| | - Roomi Yadav
- Department of Pathology, Pt. B. D. Sharma Post Graduate Institute of Medical Sciences, Rohtak, Haryana, India
| | - Raman Kapil
- Department of Pathology, Pt. B. D. Sharma Post Graduate Institute of Medical Sciences, Rohtak, Haryana, India
| | - Rajeev Sen
- Department of Pathology, Pt. B. D. Sharma Post Graduate Institute of Medical Sciences, Rohtak, Haryana, India
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Choi YS. Immuno-oncology for B-cell lymphomas. Blood Res 2021; 56:S70-S74. [PMID: 33935038 PMCID: PMC8094003 DOI: 10.5045/br.2021.2021032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 04/15/2021] [Accepted: 04/16/2021] [Indexed: 11/29/2022] Open
Abstract
The goal of cancer immunotherapy is to restore and optimize the immune response against malignant clones through several stages, from recognition of tumor antigens to establishment of long-lived memory cell populations. Boosting the intrinsic anti-tumor immune responses of the patients’ own, several types of “active immunotherapies” have been tried in many types of malignancies, inspired by successful experiences of immune checkpoint inhibition even in Hodgkin lymphoma. However, in B-cell non-Hodgkin lymphomas, clinical usefulness of such “active immunotherapies” is relatively unsatisfactory considering the remarkable advances in “passive immunotherapy,” including CD19-targeting chimeric antigen receptor T-cell therapy. Understanding how tumor cells and immune cells interact and contribute to immune evasion processes in the tumor microenvironment (TME) is an important prerequisite for the successful restoration of anti-tumor immune responses. In this review, a recent understanding of the biology of the immune tumor microenvironment surrounding B-cell non-Hodgkin lymphomas will be introduced. In addition, novel therapeutic approaches targeting the immune microenvironment other than immune checkpoint blockade are discussed.
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Affiliation(s)
- Yoon Seok Choi
- Department of Hematology-Oncology, Ajou University School of Medicine, Suwon, Korea
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Menzel L, Höpken UE, Rehm A. Angiogenesis in Lymph Nodes Is a Critical Regulator of Immune Response and Lymphoma Growth. Front Immunol 2020; 11:591741. [PMID: 33343570 PMCID: PMC7744479 DOI: 10.3389/fimmu.2020.591741] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 10/19/2020] [Indexed: 02/06/2023] Open
Abstract
Tumor-induced remodeling of the microenvironment in lymph nodes (LNs) includes the formation of blood vessels, which goes beyond the regulation of metabolism, and shaping a survival niche for tumor cells. In contrast to solid tumors, which primarily rely on neo-angiogenesis, hematopoietic malignancies usually grow within pre-vascularized autochthonous niches in secondary lymphatic organs or the bone marrow. The mechanisms of vascular remodeling in expanding LNs during infection-induced responses have been studied in more detail; in contrast, insights into the conditions of lymphoma growth and lodging remain enigmatic. Based on previous murine studies and clinical trials in human, we conclude that there is not a universal LN-specific angiogenic program applicable. Instead, signaling pathways that are tightly connected to autochthonous and infiltrating cell types contribute variably to LN vascular expansion. Inflammation related angiogenesis within LNs relies on dendritic cell derived pro-inflammatory cytokines stimulating vascular endothelial growth factor-A (VEGF-A) expression in fibroblastic reticular cells, which in turn triggers vessel growth. In high-grade B cell lymphoma, angiogenesis correlates with poor prognosis. Lymphoma cells immigrate and grow in LNs and provide pro-angiogenic growth factors themselves. In contrast to infectious stimuli that impact on LN vasculature, they do not trigger the typical inflammatory and hypoxia-related stroma-remodeling cascade. Blood vessels in LNs are unique in selective recruitment of lymphocytes via high endothelial venules (HEVs). The dissemination routes of neoplastic lymphocytes are usually disease stage dependent. Early seeding via the blood stream requires the expression of the homeostatic chemokine receptor CCR7 and of L-selectin, both cooperate to facilitate transmigration of tumor and also of protective tumor-reactive lymphocytes via HEV structures. In this view, the HEV route is not only relevant for lymphoma cell homing, but also for a continuous immunosurveillance. We envision that HEV functional and structural alterations during lymphomagenesis are not only key to vascular remodeling, but also impact on tumor cell accessibility when targeted by T cell-mediated immunotherapies.
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Affiliation(s)
- Lutz Menzel
- Translational Tumor Immunology, Max Delbrück Center for Molecular Medicine, Berlin, Germany
| | - Uta E. Höpken
- Microenvironmental Regulation in Autoimmunity and Cancer, Max-Delbrück-Center for Molecular Medicine, Berlin, Germany
| | - Armin Rehm
- Translational Tumor Immunology, Max Delbrück Center for Molecular Medicine, Berlin, Germany
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Testa U, Pelosi E, Castelli G. Endothelial Progenitors in the Tumor Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1263:85-115. [PMID: 32588325 DOI: 10.1007/978-3-030-44518-8_7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Tumor vascularization refers to the formation of new blood vessels within a tumor and is considered one of the hallmarks of cancer. Tumor vessels supply the tumor with oxygen and nutrients, required to sustain tumor growth and progression, and provide a gateway for tumor metastasis through the blood or lymphatic vasculature. Blood vessels display an angiocrine capacity of supporting the survival and proliferation of tumor cells through the production of growth factors and cytokines. Although tumor vasculature plays an essential role in sustaining tumor growth, it represents at the same time an essential way to deliver drugs and immune cells to the tumor. However, tumor vasculature exhibits many morphological and functional abnormalities, thus resulting in the formation of hypoxic areas within tumors, believed to represent a mechanism to maintain tumor cells in an invasive state.Tumors are vascularized through a variety of modalities, mainly represented by angiogenesis, where VEGF and other members of the VEGF family play a key role. This has represented the basis for the development of anti-VEGF blocking agents and their use in cancer therapy: however, these agents failed to induce significant therapeutic effects.Much less is known about the cellular origin of vessel network in tumors. Various cell types may contribute to tumor vasculature in different tumors or in the same tumor, such as mature endothelial cells, endothelial progenitor cells (EPCs), or the same tumor cells through a process of transdifferentiation. Early studies have suggested a role for bone marrow-derived EPCs; these cells do not are true EPCs but myeloid progenitors differentiating into monocytic cells, exerting a proangiogenic effect through a paracrine mechanism. More recent studies have shown the existence of tissue-resident endothelial vascular progenitors (EVPs) present at the level of vessel endothelium and their possible involvement as cells of origin of tumor vasculature.
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Affiliation(s)
- Ugo Testa
- Department of Oncology, Istituto Superiore di Sanità, Rome, Italy.
| | - Elvira Pelosi
- Department of Oncology, Istituto Superiore di Sanità, Rome, Italy
| | - Germana Castelli
- Department of Oncology, Istituto Superiore di Sanità, Rome, Italy
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12
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Menter T, Tzankov A. Lymphomas and Their Microenvironment: A Multifaceted Relationship. Pathobiology 2019; 86:225-236. [PMID: 31574515 DOI: 10.1159/000502912] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 08/24/2019] [Indexed: 11/19/2022] Open
Abstract
It has become evident that the microenvironment - lymphocytes, macrophages, fibroblasts as well as the extracellular matrix, cytokines, chemokines, and a plethora of other cells, structures and substances residing in the vicinity of tumor cells - plays an important part in the maintenance of cancer growth and survival. This is also relevant in lymphomas. In this review, we give an outline on the importance of the microenvironment for tumors in general and lymphomas in particular, by highlighting certain basic principles of tumor-microenvironment interaction. The relationship of lymphomas and their microenvironment is multifaceted: lymphoma cells need growth factors and cytokines derived from microenvironmental cells for their sustenance and growth. On the contrary, many lymphomas silence or at least deregulate the immune system to escape recognition and subsequent elimination by immune cells, while giving advantage to suppressive microenvironmental compounds such as M2 polarized macrophages, regulatory T-cells, mast cells, and immunosuppressive fibroblasts. We also give a detailed insight across different lymphoma types to show the variety of tumor-microenvironment interactions. Due to its tremendous importance, the microenvironment has also become a new target for oncologic therapy. The most important finding concerning lymphomas with a focus on immunomodulatory substances is also, therefore, highlighted.
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Affiliation(s)
- Thomas Menter
- Institute of Medical Genetics and Pathology, University of Basel Hospital, Basel, Switzerland
| | - Alexandar Tzankov
- Institute of Medical Genetics and Pathology, University of Basel Hospital, Basel, Switzerland,
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Petrakis G, Veloza L, Clot G, Gine E, Gonzalez‐Farre B, Navarro A, Bea S, Martínez A, Lopez‐Guillermo A, Amador V, Ribera‐Cortada I, Campo E. Increased tumour angiogenesis in SOX11‐positive mantle cell lymphoma. Histopathology 2019; 75:704-714. [DOI: 10.1111/his.13935] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 06/07/2019] [Indexed: 12/21/2022]
Affiliation(s)
- Georgios Petrakis
- Pathology Department, Medical School Aristotle University of Thessaloniki Thessaloniki Greece
- Haematopathology Unit, Pathology Department Hospital Clinic, University of Barcelona BarcelonaSpain
| | - Luis Veloza
- Haematopathology Unit, Pathology Department Hospital Clinic, University of Barcelona BarcelonaSpain
| | - Guillem Clot
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) BarcelonaSpain
- Centro de Investigacion Biomédica en Red de Cáncer (CIBERONC) MadridSpain
| | - Eva Gine
- Haematopathology Unit, Pathology Department Hospital Clinic, University of Barcelona BarcelonaSpain
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) BarcelonaSpain
- Centro de Investigacion Biomédica en Red de Cáncer (CIBERONC) MadridSpain
- Department of Hematology Hospital Clinic University of Barcelona Barcelona Spain
| | - Blanca Gonzalez‐Farre
- Haematopathology Unit, Pathology Department Hospital Clinic, University of Barcelona BarcelonaSpain
- Centro de Investigacion Biomédica en Red de Cáncer (CIBERONC) MadridSpain
| | - Alba Navarro
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) BarcelonaSpain
- Centro de Investigacion Biomédica en Red de Cáncer (CIBERONC) MadridSpain
| | - Silvia Bea
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) BarcelonaSpain
- Centro de Investigacion Biomédica en Red de Cáncer (CIBERONC) MadridSpain
| | - Antonio Martínez
- Haematopathology Unit, Pathology Department Hospital Clinic, University of Barcelona BarcelonaSpain
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) BarcelonaSpain
| | - Armando Lopez‐Guillermo
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) BarcelonaSpain
- Centro de Investigacion Biomédica en Red de Cáncer (CIBERONC) MadridSpain
- Department of Hematology Hospital Clinic University of Barcelona Barcelona Spain
| | - Virginia Amador
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) BarcelonaSpain
- Centro de Investigacion Biomédica en Red de Cáncer (CIBERONC) MadridSpain
| | | | - Elias Campo
- Haematopathology Unit, Pathology Department Hospital Clinic, University of Barcelona BarcelonaSpain
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) BarcelonaSpain
- Centro de Investigacion Biomédica en Red de Cáncer (CIBERONC) MadridSpain
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Abstract
CLINICAL/METHODICAL ISSUE Daily tasks in sonographic diagnostics include detection and characterization of peripheral and abdominal lymph nodes. STANDARD RADIOLOGICAL METHODS In addition to the B‑mode methods, color-coded Doppler sonography (CCDS) plays an important role in the evaluation of lymph nodes. METHODICAL INNOVATIONS Contrast-enhanced ultrasound (CEUS) has become a standard procedure in vascular and organ diagnostics. Tissue perfusion can be recorded visually and retrospectively in real time using time-dependent intensity analysis. The contrast agent dosage depends primarily on the location of the lymph nodes and the type and frequency of the transducer. Vascular and tumor cell density, intranodal pressure due to increased vascular permeability and preservation or destruction of the capsule must be taken into account when interpreting the findings. PERFORMANCE The indication for CEUS results from the B‑mode and CCDS findings and plays an important role especially in the verification of vitality before and after therapy. Uneven or apparently non-perfused areas allow a targeted puncture of vital tumor tissue. ACHIEVEMENTS Especially in abdominal lymph nodes, CEUS has a high diagnostic reliability. It is not always possible to differentiate between inflamed lymph nodes and lymph nodes altered by lymphoma filtration. PRACTICAL RECOMMENDATIONS CEUS helps to better assess the dignity of lymph nodes by visualizing their micro- and macrovascularization. After frustrated puncture, vital areas can be specifically biopsied. CEUS is particularly valuable in assessing the success of therapy.
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Affiliation(s)
- H-P Weskott
- Ultraschall Ambulanz, Klinikum Siloah-Oststadt-Heidehaus, Klinikum Region Hannover, Stadionbrücke 4, 30459, Hannover, Deutschland.
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Hanns P, Paczulla AM, Medinger M, Konantz M, Lengerke C. Stress and catecholamines modulate the bone marrow microenvironment to promote tumorigenesis. Cell Stress 2019; 3:221-235. [PMID: 31338489 PMCID: PMC6612892 DOI: 10.15698/cst2019.07.192] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
High vascularization and locally secreted factors make the bone marrow (BM) microenvironment particularly hospitable for tumor cells and bones to a preferred metastatic site for disseminated cancer cells of different origins. Cancer cell homing and proliferation in the BM are amongst other regulated by complex interactions with BM niche cells (e.g. osteoblasts, endothelial cells and mesenchymal stromal cells (MSCs)), resident hematopoietic stem and progenitor cells (HSPCs) and pro-angiogenic cytokines leading to enhanced BM microvessel densities during malignant progression. Stress and catecholamine neurotransmitters released in response to activation of the sympathetic nervous system (SNS) reportedly modulate various BM cells and may thereby influence cancer progression. Here we review the role of catecholamines during tumorigenesis with particular focus on pro-tumorigenic effects mediated by the BM niche.
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Affiliation(s)
- Pauline Hanns
- Department of Biomedicine, University Hospital and University of Basel, Basel, Switzerland
| | - Anna M Paczulla
- Department of Biomedicine, University Hospital and University of Basel, Basel, Switzerland
| | - Michael Medinger
- Division of Clinical Hematology, University Hospital Basel, Basel, Switzerland
| | - Martina Konantz
- Department of Biomedicine, University Hospital and University of Basel, Basel, Switzerland
| | - Claudia Lengerke
- Department of Biomedicine, University Hospital and University of Basel, Basel, Switzerland.,Division of Clinical Hematology, University Hospital Basel, Basel, Switzerland
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Horger M, Fallier-Becker P, Thaiss WM, Sauter A, Bösmüller H, Martella M, Preibsch H, Fritz J, Nikolaou K, Kloth C. Is There a Direct Correlation Between Microvascular Wall Structure and k-Trans Values Obtained From Perfusion CT Measurements in Lymphomas? Acad Radiol 2019; 26:247-256. [PMID: 29731419 DOI: 10.1016/j.acra.2018.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 04/14/2018] [Accepted: 04/15/2018] [Indexed: 11/27/2022]
Abstract
RATIONALE AND OBJECTIVES This study aimed to test the hypothesis that ultrastructural wall abnormalities of lymphoma vessels correlate with perfusion computed tomography (PCT) kinetics. MATERIALS AND METHODS Our local institutional review board approved this prospective study. Between February 2013 and June 2016, we included 23 consecutive subjects with newly diagnosed lymphoma, who were referred for computed tomography-guided biopsy (6 women, 17 men; mean age, 60.61 ± 12.43 years; range, 28-74 years) and additionally agreed to undergo PCT of the target lymphoma tissues. PCT was obtained for 40 seconds using 80 kV, 120 mAs, 64 × 0.6-mm collimation, 6.9-cm z-axis coverage, and 26 volume measurements. Mean and maximum k-trans (mL/100 mL/min), blood flow (BF; mL/100 mL/min) and blood volume (BV) were quantified using the deconvolution and the maximum slope + Patlak calculation models. Immunohistochemical staining was performed for microvessel density quantification (vessels/m2), and electron microscopy was used to determine the presence or absence of tight junctions, endothelial fenestration, basement membrane, and pericytes, and to measure extracellular matrix thickness. RESULTS Extracellular matrix thickness as well as the presence or absence of tight junctions, basal lamina, and pericytes did not correlate with computed tomography perfusion parameters. Endothelial fenestrations correlated significantly with mean BFdeconvolution (P = .047, r = 0.418) and additionally was significantly associated with higher mean BVdeconvolution (P < .005). Mean k-transPatlak correlated strongly with mean k-transdeconvolution (r = 0.939, P = .001), and both correlated with mean BFdeconvolution (P = .001, r = 0.748), max BFdeconvolution (P = .028, r = 0.564), mean BVdeconvolution (P = .001, r = 0.752), and max BVdeconvolution (P = .001, r = 0.771). Microvessel density correlated with max k-transdeconvolution (r = 0.564, P = .023). Vascular endothelial growth factor receptor-3 expression (receptor specific for lymphatics) correlated significantly with max k-transPatlak (P = .041, r = 0.686) and mean BFdeconvolution (P = .038, r = 0.695). CONCLUSION k-Trans values of PCT do not correlate with ultrastructural microvessel features, whereas endothelial fenestrations correlate with increased intra-tumoral BVs.
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Affiliation(s)
- Marius Horger
- Department of Diagnostic and Interventional Radiology, Eberhard-Karls-University, Tübingen, Germany
| | | | - Wolfgang M Thaiss
- Department of Diagnostic and Interventional Radiology, Eberhard-Karls-University, Tübingen, Germany
| | - Alexander Sauter
- Clinic of Radiology and Nuclear Medicine, University Hospital Basel, Basel, Switzerland
| | - Hans Bösmüller
- Institute of Pathology, University Hospital Tuebingen, Tübingen, Germany
| | - Manuela Martella
- Institute of Pathology, University Hospital Tuebingen, Tübingen, Germany
| | - Heike Preibsch
- Department of Diagnostic and Interventional Radiology, Eberhard-Karls-University, Tübingen, Germany
| | - Jan Fritz
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Konstantin Nikolaou
- Department of Diagnostic and Interventional Radiology, Eberhard-Karls-University, Tübingen, Germany
| | - Christopher Kloth
- Department of Diagnostic and Interventional Radiology, University Hospital Ulm, Albert-Einstein-Allee 23, 89081 Ulm, Germany.
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Association of VEGFA-2578 C>A polymorphism with clinicopathological aspects and outcome in follicular lymphoma patients. Blood Cancer J 2016; 6:e464. [PMID: 27564462 PMCID: PMC5022185 DOI: 10.1038/bcj.2016.76] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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18
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Microvessel density of mantle cell lymphoma. A retrospective study of its prognostic role and the correlation with the Ki-67 and the mantle cell lymphoma international prognostic index in 177 cases. Virchows Arch 2014; 465:587-97. [DOI: 10.1007/s00428-014-1632-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2014] [Revised: 06/26/2014] [Accepted: 07/07/2014] [Indexed: 10/25/2022]
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Gallouet AS, Travert M, Bresson-Bepoldin L, Guilloton F, Pangault C, Caulet-Maugendre S, Lamy T, Tarte K, Guillaudeux T. COX-2-independent effects of celecoxib sensitize lymphoma B cells to TRAIL-mediated apoptosis. Clin Cancer Res 2014; 20:2663-73. [PMID: 24637636 DOI: 10.1158/1078-0432.ccr-13-2305] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Despite therapeutic advances, non-Hodgkin lymphomas (NHL) remain incurable. They form a group of neoplasms strongly dependent on their inflammatory microenvironment, which plays an important supportive role in tumor B-cell survival and in the resistance to antitumor immune response. New therapies must consider both tumor cells and their surrounding microenvironment EXPERIMENTAL DESIGN Stromal cells, derived from bone marrow or lymph nodes, and B cells from follicular lymphoma patients were cocultured or cultured alone with celecoxib treatment, a nonsteroidal anti-inflammatory drug, and/or TRAIL, a promising cytotoxic molecule for cancer therapy. RESULTS In this study, we show that follicular lymphoma stromal cells produce large amounts of PGE2. This production is abrogated after celecoxib treatment, targeting the COX-2 isoenzyme involved in PGE2 synthesis. Furthermore, we demonstrate that celecoxib increases apoptosis in NHL B-cell lines and in primary follicular lymphoma B cells cocultured with stromal cells, but independently of the PGE2/COX-2 axis. Finally, celecoxib increases the apoptotic activity of TRAIL. We provide evidence that celecoxib affects proliferation and sensitizes NHL B-cell lines to apoptosis through COX-2-independent effects by slowing down the cell cycle and decreasing the expression of survival proteins, such as Mcl-1. CONCLUSIONS These data suggest new potent strategies for NHL therapy combining drugs targeting both tumor B cells and survival signals provided by the tumor microenvironment.
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Affiliation(s)
- Anne-Sophie Gallouet
- Authors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, France
| | - Marion Travert
- Authors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, France
| | - Laurence Bresson-Bepoldin
- Authors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, France
| | - Fabien Guilloton
- Authors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, France
| | - Céline Pangault
- Authors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, France
| | - Sylvie Caulet-Maugendre
- Authors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, France
| | - Thierry Lamy
- Authors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, France
| | - Karin Tarte
- Authors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, France
| | - Thierry Guillaudeux
- Authors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, FranceAuthors' Affiliations: INSERM, UMR 917; Université Rennes 1; EFS Bretagne; Centre Hospitalier Universitaire (CHU), Service d'Hématologie; Biosit, SFR Biologie-Santé, Rennes; INSERM, U955, Créteil; and INSERM, U916, Bordeaux, France
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Abstract
Angiogenesis get full robustness in metastatic cancer, relapsed leukemia or lymphoma when complex positive feedback loop signaling systems become integrative. A cancer hypoxic microenvironment generates positive loops inducing formation of the vascular functional shunts. AKT is an upstream angiogenic locus of integrative robustness and fragility activated by the positive loops. AKT controls two downstream nodes the mTOR and NOS in nodal organization of the signaling genes. AKT phosphorylation is regulated by a balance of an oxidant/antioxidant. Targeting AKT locus represents new principle to control integrative angiogenic robustness by the locus chemotherapy.
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Affiliation(s)
- Ziv Radisavljevic
- Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA.
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21
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GVHD after allogeneic haematopoietic SCT for AML: angiogenesis, vascular endothelial growth factor and VEGF receptor expression in the BM. Bone Marrow Transplant 2012; 48:715-21. [PMID: 23085826 DOI: 10.1038/bmt.2012.200] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
There is increasing evidence suggesting that both angiogenesis and endothelial injury are involved in GVHD. To study the dynamics of angiogenesis, we examined 26 patients with AML who had undergone allogeneic haematopoietic SCT. All were in CR and had either acute GVHD (aGVHD) or chronic GVHD (cGVHD). We performed immunohistochemical studies of BM microvessel density (MVD) using Abs against vascular-endothelial (VE)-cadherin, CD34 and CD105, and expression of vascular endothelial growth factor (VEGF) and its receptors VEGFR-1 and VEGFR-2. At the time of diagnosis, the MVD in AML patients was higher than that in the normal controls, and the MVD decreased after induction chemotherapy. Patients with aGVHD had a significantly higher MVD than patients without aGVHD. Conversely, patients with cGVHD did not have a significantly different MVD. In previous aGVHD, we also found more VEGF+ megakaryocytes. XY FISH in sex-mismatched patients showed that the BM blood vessels consisted mainly of recipient endothelial cells. Taken together, these results suggest that new vessel formation and the VEGF/VEGFR system are involved in aGVHD.
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22
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Riihijärvi S, Nurmi H, Holte H, Björkholm M, Fluge Ø, Pedersen LM, Rydström K, Jerkeman M, Eriksson M, Leppä S. High serum vascular endothelial growth factor level is an adverse prognostic factor for high-risk diffuse large B-cell lymphoma patients treated with dose-dense chemoimmunotherapy. Eur J Haematol 2012; 89:395-402. [DOI: 10.1111/ejh.12005] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/26/2012] [Indexed: 12/16/2022]
Affiliation(s)
| | - Heidi Nurmi
- Department of Oncology; Helsinki University Central Hospital; Helsinki; Finland
| | - Harald Holte
- Department of Oncology; Oslo University Hospital; Oslo; Norway
| | - Magnus Björkholm
- Department of Medicine; Karolinska University Hospital; Stockholm; Sweden
| | - Øystein Fluge
- Department of Oncology and Medical Physics; Haukeland University Hospital; Bergen; Norway
| | | | - Karin Rydström
- Department of Oncology; Lund University Hospital; Lund; Sweden
| | - Mats Jerkeman
- Department of Oncology; Lund University Hospital; Lund; Sweden
| | - Mikael Eriksson
- Department of Oncology; Lund University Hospital; Lund; Sweden
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23
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Abstract
Ultrasound is most useful in detecting and characterizing peripheral and abdominal lymph nodes and infiltration of solid organs. B-mode criteria, such as size, shape, number, distribution architecture, echogenicity and delineation of margins are the basis for characterizing lymph nodes. Additionally color coding techniques such as color Doppler, B-flow and contrast-enhanced ultrasound (CEUS) contribute to the evaluation of the nodal vasculature and vessel architecture. Whenever possible high frequency probes should not only be used for evaluating peripheral lymph nodes but also for lymphatic infiltration of solid organs, especially the spleen. The CEUS technique will be of additional benefit in detecting characterizing potential lymphatic organ infiltration. Ultrasound is an ideal tool for guided punctures, for which core biopsies should be preferred over fine needle aspiration biopsy and CEUS can also be used for proving residual viable tissue after chemotherapy or radiation therapy.
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Affiliation(s)
- H-P Weskott
- Zentrale Sonographie-Abteilung, Klinikum Siloah, Klinikum Region Hannover, Roesebeckstr. 15, 30449, Hannover, Deutschland.
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Rujirojindakul P, Lekhakula A. Prognostic significance of serum proangiogenic molecules in patients with de novo non-Hodgkin lymphomas. ScientificWorldJournal 2012; 2012:215231. [PMID: 22629121 PMCID: PMC3351040 DOI: 10.1100/2012/215231] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2011] [Accepted: 11/21/2011] [Indexed: 12/14/2022] Open
Abstract
This study was aimed to assess the clinical significances of the serum VEGF and bFGF in Thai patients with de novo NHL. Serum VEGF and bFGF concentrations were measured from 79 adult patients with newly diagnosed stage 2–4 non-Hodgkin lymphomas by quantitative sandwich enzyme immunoassay. At the time of diagnosis, the serum VEGF concentrations from 79 patients ranged from 72.0 to 2919.4 pg/mL, with a mean of 668.0 pg/dL. The serum bFGF concentrations ranged from undetectable to 2919.4 pg/mL, with a mean of 12.15 pg/dL. Multivariate analysis identified higher than the mean of serum VEGF, B symptoms, bulky diseases, anemia, and treatment with CHOP or R-CHOP as independent variables influencing the complete remission rate. From a Cox proportional hazards model, variables independently associated with overall survival were bone marrow involvement, more extranodal involvement, poor performance status, anemia, and higher than the mean of serum bFGF.
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Affiliation(s)
- Pairaya Rujirojindakul
- Department of Pathology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
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Aggarwal D, Srivastava G, Gupta R, Pant L, Krishan G, Singh S. Angiogenesis in Non-Hodgkin's Lymphoma: An Intercategory Comparison of Microvessel Density. ISRN HEMATOLOGY 2012; 2012:943089. [PMID: 22536524 PMCID: PMC3320025 DOI: 10.5402/2012/943089] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2011] [Accepted: 01/10/2012] [Indexed: 01/19/2023]
Abstract
Background. This study was aimed at comparing angiogenesis, seen as microvessel density (MVD) in subtypes of non-Hodgkin's lymphoma (NHL). Methods. In this study, 64 cases of NHL diagnosed over a three-year period were included along with 15 lymph node biopsies of reactive hyperplasia. NHLs were classified using REAL classification, and immunohistochemistry was performed for CD34 in all cases. CD34-stained sections were evaluated for “hot spots,” where MVD was assessed and expressed as per mm2. Appropriate statistical methods were applied. Results. There were 6 cases of well-differentiated lymphocytic lymphoma (SLL), 21 diffuse large B-cell lymphoma (DLBCL), 15 follicular lymphoma, 10 lymphoblastic lymphoma, 7 MALToma, and 5 peripheral T-cell lymphoma (PTCL). Mean MVD was highest in reactive hyperplasia (191.92 ± 12.16 per mm2) compared to all NHLs. Among NHLs, PTCL demonstrated the highest MVD (183.42 ± 8.24) followed by DLBCL (149.91 ± 13.68). A significant difference was found in MVD between reactive and individual lymphoma groups. SLL had significantly lower MVD than other lymphoma subtypes. Conclusion. Angiogenesis, assessed by MVD, showed significant differences among subtypes of NHL, especially the indolent types like SLL. The higher MVD in aggressive lymphomas like PTCL and DLBCL can potentially be utilized in targeted therapy with antiangiogenic drugs.
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Affiliation(s)
- Deepti Aggarwal
- Department of Pathology, Hindu Rao Hospital, Malka Ganj, Delhi 110007, India
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Cacciatore M, Guarnotta C, Calvaruso M, Sangaletti S, Florena AM, Franco V, Colombo MP, Tripodo C. Microenvironment-centred dynamics in aggressive B-cell lymphomas. Adv Hematol 2012; 2012:138079. [PMID: 22400028 PMCID: PMC3287037 DOI: 10.1155/2012/138079] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2011] [Accepted: 10/27/2011] [Indexed: 12/13/2022] Open
Abstract
Aggressive B-cell lymphomas share high proliferative and invasive attitudes and dismal prognosis despite heterogeneous biological features. In the interchained sequence of events leading to cancer progression, neoplastic clone-intrinsic molecular events play a major role. Nevertheless, microenvironment-related cues have progressively come into focus as true determinants for this process. The cancer-associated microenvironment is a complex network of nonneoplastic immune and stromal cells embedded in extracellular components, giving rise to a multifarious crosstalk with neoplastic cells towards the induction of a supportive milieu. The immunological and stromal microenvironments have been classically regarded as essential partners of indolent lymphomas, while considered mainly negligible in the setting of aggressive B-cell lymphomas that, by their nature, are less reliant on external stimuli. By this paper we try to delineate the cardinal microenvironment-centred dynamics exerting an influence over lymphoid clone progression in aggressive B-cell lymphomas.
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Affiliation(s)
- Matilde Cacciatore
- Dipartimento di Scienze per la Promozione della Salute, Sezione di Anatomia Patologica, Università degli Studi di Palermo, 90127 Palermo, Italy
| | - Carla Guarnotta
- Dipartimento di Scienze per la Promozione della Salute, Sezione di Anatomia Patologica, Università degli Studi di Palermo, 90127 Palermo, Italy
| | - Marco Calvaruso
- Dipartimento di Scienze per la Promozione della Salute, Sezione di Anatomia Patologica, Università degli Studi di Palermo, 90127 Palermo, Italy
| | - Sabina Sangaletti
- Dipartimento di Oncologia Sperimentale, Unità di Immunologia Molecolare, IRCCS Fondazione Istituto Nazionale Tumori, 20133 Milano, Italy
| | - Ada Maria Florena
- Dipartimento di Scienze per la Promozione della Salute, Sezione di Anatomia Patologica, Università degli Studi di Palermo, 90127 Palermo, Italy
| | - Vito Franco
- Dipartimento di Scienze per la Promozione della Salute, Sezione di Anatomia Patologica, Università degli Studi di Palermo, 90127 Palermo, Italy
| | - Mario Paolo Colombo
- Dipartimento di Oncologia Sperimentale, Unità di Immunologia Molecolare, IRCCS Fondazione Istituto Nazionale Tumori, 20133 Milano, Italy
| | - Claudio Tripodo
- Dipartimento di Scienze per la Promozione della Salute, Sezione di Anatomia Patologica, Università degli Studi di Palermo, 90127 Palermo, Italy
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Osoczowe stężenie cytokin limfo-i angiogennych u chorych na chłoniaka rozlanego z dużych komórek B. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/s0001-5814(12)34005-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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Bone Marrow Suppression by c-Kit Blockade Enhances Tumor Growth of Colorectal Metastases through the Action of Stromal Cell-Derived Factor-1. JOURNAL OF ONCOLOGY 2011; 2012:196957. [PMID: 21977032 PMCID: PMC3184505 DOI: 10.1155/2012/196957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2011] [Revised: 08/02/2011] [Accepted: 08/07/2011] [Indexed: 11/17/2022]
Abstract
Background. Mobilization of c-Kit+ hematopoietic cells (HCs) contributes to tumor vascularization. Whereas survival and proliferation of HCs are regulated by binding of the stem cell factor to its receptor c-Kit, migration of HCs is directed by stromal cell-derived factor (SDF)-1. Therefore, targeting migration of HCs provides a promising new strategy of anti-tumor therapy. Methods. BALB/c mice (n = 16) were pretreated with an anti-c-Kit antibody followed by implantation of CT26.WT-GFP colorectal cancer cells into dorsal skinfold chambers. Animals (n = 8) additionally received a neutralizing anti-SDF-1 antibody. Animals (n = 8) treated with a control antibody served as controls. Investigations were performed using intravital fluorescence microscopy, immunohistochemistry, flow cytometry and western blot analysis. Results. Blockade of c-Kit significantly enhanced tumor cell engraftment compared to controls due to stimulation of tumor cell proliferation and invasion without markedly affecting tumor vascularization. C-Kit blockade significantly increased VEGF and CXCR4 expression within the growing tumors. Neutralization of SDF-1 completely antagonized this anti-c-Kit-associated tumor growth by suppression of tumor neovascularization, inhibition of tumor cell proliferation and reduction of muscular infiltration. Conclusion. Our study indicates that bone marrow suppression via anti-c-Kit pretreatment enhances tumor cell engraftment of colorectal metastases due to interaction with the SDF-1/CXCR4 pathway which is involved in HC-mediated tumor angiogenesis.
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Wolfesberger B, Tonar Z, Fuchs-Baumgartinger A, Walter I, Skalicky M, Witter K, Thalhammer JG, Pagitz M, Kleiter M. Angiogenic markers in canine lymphoma tissues do not predict survival times in chemotherapy treated dogs. Res Vet Sci 2011; 92:444-50. [PMID: 21596405 DOI: 10.1016/j.rvsc.2011.04.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2010] [Revised: 04/19/2011] [Accepted: 04/25/2011] [Indexed: 10/18/2022]
Abstract
Angiogenesis, which is essential for malignancies to progress, depends on various signalling proteins including vascular endothelial growth factor (VEGF) and vascular endothelial growth factor receptors 1 and 2 (VEGFR-1 and VEGFR-2). Microvessel density (MVD) is frequently used to evaluate angiogenesis. This study assessed the relationship between expression of VEGF, VEGFR-1 and VEGFR-2, MVD and the survival time in dogs with lymphoma. VEGF, VEGFR-1 and VEGFR-2 expression was evaluated immunohistochemically and microvessel profiles were counted in 34 lymphoma samples. Seventy-nine percent of the samples showed high VEGF expression and 62% were highly positive for VEGFR-1; VEGFR-2 immunoreactivity was mostly negative. Dogs treated with chemotherapy had a median survival time of 266days, but no significant relationships were found between overall survival time, MVD and expression of VEGF, VEGFR-1 or VEGFR-2. In this study, VEGF its receptors and the MVD were no prognostic factors in dogs with lymphoma.
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Affiliation(s)
- B Wolfesberger
- Department for Companion Animals and Horses, University of Veterinary Medicine, Vienna, Austria.
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30
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Cardesa-Salzmann TM, Colomo L, Gutierrez G, Chan WC, Weisenburger D, Climent F, González-Barca E, Mercadal S, Arenillas L, Serrano S, Tubbs R, Delabie J, Gascoyne RD, Connors JM, Mate JL, Rimsza L, Braziel R, Rosenwald A, Lenz G, Wright G, Jaffe ES, Staudt L, Jares P, López-Guillermo A, Campo E. High microvessel density determines a poor outcome in patients with diffuse large B-cell lymphoma treated with rituximab plus chemotherapy. Haematologica 2011; 96:996-1001. [PMID: 21546504 DOI: 10.3324/haematol.2010.037408] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND Diffuse large B-cell lymphoma is a clinically and molecularly heterogeneous disease. Gene expression profiling studies have shown that the tumor microenvironment affects survival and that the angiogenesis-related signature is prognostically unfavorable. The contribution of histopathological microvessel density to survival in diffuse large B-cell lymphomas treated with immunochemotherapy remains unknown. The purpose of this study is to assess the prognostic impact of histopathological microvessel density in two independent series of patients with diffuse large B-cell lymphoma treated with immunochemotherapy. DESIGN AND METHODS One hundred and forty-seven patients from the Leukemia Lymphoma Molecular Profiling Project (training series) and 118 patients from the Catalan Lymphoma-Study group-GELCAB (validation cohort) were included in the study. Microvessels were immunostained with CD31 and quantified with a computerized image analysis system. The stromal scores previously defined in 110 Leukemia Lymphoma Molecular Profiling Project cases were used to analyze correlations with microvessel density data. RESULTS Microvessel density significantly correlated with the stromal score (r=0.3209; P<0.001). Patients with high microvessel density showed significantly poorer overall survival than those with low microvessel density both in the training series (4-year OS 54% vs. 78%; P=0.004) and in the validation cohort (57% vs. 81%; P=0.006). In multivariate analysis, in both groups high microvessel density was a statistically significant unfavorable prognostic factor independent of international prognostic index [training series: international prognostic index (relative risk 2.7; P=0.003); microvessel density (relative risk 1.96; P=0.002); validation cohort: international prognostic index (relative risk 4.74; P<0.001); microvessel density (relative risk 2.4; P=0.016)]. CONCLUSIONS These findings highlight the impact of angiogenesis in the outcome of patients with diffuse large B-cell lymphoma and the interest of evaluating antiangiogenic drugs in clinical trials.
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Hollmann A, Aloyz R, Baker K, Dirnhofer S, Owens T, Sladek R, Tzankov A. Vav-1 expression correlates with NFκB activation and CD40-mediated cell death in diffuse large B-cell lymphoma cell lines. Hematol Oncol 2010; 28:142-50. [PMID: 20155735 DOI: 10.1002/hon.935] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Diffuse large B-cell lymphoma (DLBCL) is an aggressive malignancy with a variable response to therapy. We have previously shown that DLBCL cell lines differ in their susceptibility to CD40-mediated cell death, and that resistance to CD40-targeted antibodies correlated with increased expression of markers of immature B-cell and absence of Vav-1 mRNA. We used gene expression profiling to investigate the mechanism of CD40 resistance in these cell lines, and found that resistance correlated with lack of Vav-1 and inability to activate NFκB upon CD40 ligation. Analysis of tissue microarrays of 213 DLBCL cases revealed that Vav-1 expression correlated with a higher proliferative index and the presence of the post-germinal centre marker Irf-4. Our results suggest that Vav-1 expression may be associated with activated B-cell DLBCL origin and higher proliferative activity, and indicate Vav-1 as a potential marker to identify tumours likely to respond to CD40-targeted therapies.
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Affiliation(s)
- Annette Hollmann
- Montreal Center for Experimental Therapeutics in Cancer, Lady Davis Institute for Medical Research, Sir Mortimer B. Davis-Jewish General Hospital, Montréal, Quebec, Canada.
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Medinger M, Mross K. Clinical trials with anti-angiogenic agents in hematological malignancies. JOURNAL OF ANGIOGENESIS RESEARCH 2010; 2:10. [PMID: 20569499 PMCID: PMC2902424 DOI: 10.1186/2040-2384-2-10] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2010] [Accepted: 06/22/2010] [Indexed: 12/15/2022]
Abstract
New blood vessel formation (angiogenesis) is not only essential for the growth of solid tumors but there is also emerging evidence that progression of hematological malignancies like multiple myeloma, acute leukemias, and myeloproliferative neoplasms, also depends on new blood vessel formation. Anti-angiogenic strategies have become an important therapeutic modality for solid tumors. Several anti-angiogenic agents targeting angiogenesis-related pathways like monoclonal antibodies, receptor tyrosine kinase inhibitors, immunomodulatory drugs, and proteasome inhibitors have been entered clinical trials or have been already approved for the treatment of hematological malignancies as well and in some instances these pathways have emerged as promising therapeutic targets. This review summarizes recent advances in the basic understanding of the role of angiogenesis in hematological malignancies and clinical trials with novel therapeutic approaches targeting angiogenesis.
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Affiliation(s)
- Michael Medinger
- Department of Medical Oncology, Tumor Biology Center at the Albert-Ludwigs-University, Breisacherstrasse 117, D-79106 Freiburg, Germany.
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Vascular endothelial growth factor-related pathways in hemato-lymphoid malignancies. JOURNAL OF ONCOLOGY 2010; 2010:729725. [PMID: 20508816 PMCID: PMC2875768 DOI: 10.1155/2010/729725] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/06/2009] [Revised: 02/04/2010] [Accepted: 03/03/2010] [Indexed: 12/22/2022]
Abstract
Angiogenesis is essential for malignant tumor growth. This has been documented for solid tumors, and there is an emerging evidence suggesting that tumor progression of hematolymphoid malignancies also depends on the induction of new blood vessel formation. The most important proangiogenic agent is vascular endothelial growth factor (VEGF), activating VEGF receptors 1 and 2. The available data on angiogenesis in hemato-lymphoid malignancies, such as acute leukemias, myelodysplastic syndromes, myeloproliferative neoplasms, multiple myeloma, and lymphomas, point towards the significance of autocrine and paracrine VEGF-mediated effects for proliferation and survival of leukemia/lymphoma cells in addition to tumor vascularization. Antiangiogenic strategies have become an important therapeutic modality for solid tumors. Several antiangiogenic agents targeting VEGF-related pathways are also being utilized in clinical trials for the treatment of hemato-lymphoid malignancies, and in some instances these pathways have emerged as promising therapeutic targets. This review summarizes recent advances in the basic understanding of the role of angiogenesis in hemato-lymphoid malignancies and the translation of such basic findings into clinical studies.
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Therapeutic implications of Src independent calcium mobilization in diffuse large B-cell lymphoma. Leuk Res 2010; 34:585-93. [DOI: 10.1016/j.leukres.2009.08.030] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2009] [Revised: 07/19/2009] [Accepted: 08/26/2009] [Indexed: 01/06/2023]
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Etto LY, Silva MRR, Dalboni MA, Alves AC, Colleoni GWB. Proangiogenic cytokines produced by non-Hodgkin lymphoma tumor cells induce angiogenesis in infiltrated bone marrow samples. Leuk Lymphoma 2010; 50:1381-3. [PMID: 19593697 DOI: 10.1080/10428190903039982] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Simpson-Haidaris PJ, Pollock SJ, Ramon S, Guo N, Woeller CF, Feldon SE, Phipps RP. Anticancer Role of PPARgamma Agonists in Hematological Malignancies Found in the Vasculature, Marrow, and Eyes. PPAR Res 2010; 2010:814609. [PMID: 20204067 PMCID: PMC2829627 DOI: 10.1155/2010/814609] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2009] [Revised: 11/30/2009] [Accepted: 12/16/2009] [Indexed: 12/19/2022] Open
Abstract
The use of targeted cancer therapies in combination with conventional chemotherapeutic agents and/or radiation treatment has increased overall survival of cancer patients. However, longer survival is accompanied by increased incidence of comorbidities due, in part, to drug side effects and toxicities. It is well accepted that inflammation and tumorigenesis are linked. Because peroxisome proliferator-activated receptor (PPAR)-gamma agonists are potent mediators of anti-inflammatory responses, it was a logical extension to examine the role of PPARgamma agonists in the treatment and prevention of cancer. This paper has two objectives: first to highlight the potential uses for PPARgamma agonists in anticancer therapy with special emphasis on their role when used as adjuvant or combined therapy in the treatment of hematological malignancies found in the vasculature, marrow, and eyes, and second, to review the potential role PPARgamma and/or its ligands may have in modulating cancer-associated angiogenesis and tumor-stromal microenvironment crosstalk in bone marrow.
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Affiliation(s)
- P. J. Simpson-Haidaris
- Department of Medicine/Hem-Onc Division, School of Medicine and Dentistry, University of Rochester, Rochester, NY 14642, USA
- Department of Microbiology and Immunology, School of Medicine and Dentistry, University of Rochester, Rochester, NY 14642, USA
- Department of Pathology and Laboratory Medicine, School of Medicine and Dentistry, University of Rochester, Rochester, NY 14642, USA
| | - S. J. Pollock
- Department of Environmental Medicine, School of Medicine and Dentistry, University of Rochester, Rochester, NY 14642, USA
| | - S. Ramon
- Department of Microbiology and Immunology, School of Medicine and Dentistry, University of Rochester, Rochester, NY 14642, USA
| | - N. Guo
- Department of Opthalmology, School of Medicine and Dentistry, University of Rochester, Rochester, NY 14642, USA
| | - C. F. Woeller
- Department of Environmental Medicine, School of Medicine and Dentistry, University of Rochester, Rochester, NY 14642, USA
| | - S. E. Feldon
- Department of Opthalmology, School of Medicine and Dentistry, University of Rochester, Rochester, NY 14642, USA
| | - R. P. Phipps
- Department of Environmental Medicine, School of Medicine and Dentistry, University of Rochester, Rochester, NY 14642, USA
- Department of Opthalmology, School of Medicine and Dentistry, University of Rochester, Rochester, NY 14642, USA
- The Lung Biology and Disease Program, School of Medicine and Dentistry, University of Rochester, Rochester, NY 14642, USA
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Paydas S, Ergin M, Seydaoglu G, Erdogan S, Yavuz S. Pronostic significance of angiogenic/lymphangiogenic, anti-apoptotic, inflammatory and viral factors in 88 cases with diffuse large B cell lymphoma and review of the literature. Leuk Res 2009; 33:1627-35. [DOI: 10.1016/j.leukres.2009.02.015] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2009] [Revised: 02/11/2009] [Accepted: 02/14/2009] [Indexed: 11/16/2022]
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Sakakibara S, Tosato G. Regulation of angiogenesis in malignancies associated with Epstein–Barr virus and Kaposi’s sarcoma-associated herpes virus. Future Microbiol 2009; 4:903-17. [DOI: 10.2217/fmb.09.49] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Tumor angiogenesis is the process by which new blood vessels are formed within emerging or progressing malignancies. The human Epstein–Barr virus and Kaposi’s sarcoma-associated herpesvirus critically contribute to the pathogenesis of selected tumor types, including nasopharyngeal carcinoma and Kaposi’s sarcoma, respectively, where angiogenesis is robust and often disrupted. Lymphangiogenesis, the process by which new lymphatic vessels are formed, is also induced in Epstein–Barr virus and Kaposi’s sarcoma-associated herpesvirus-associated malignancies and in some cases may contribute to metastasis. Recent studies have identified a number of molecules and signaling pathways that underlie angiogenesis and lymphangiogenesis, and clarified the pivotal role of the VEGF family of proteins and their receptors. New treatment modalities that target members of this family have gained approval for clinical use in cancer. Pathogenetic steps are often difficult to dissect in many cancer types, but virus-induced malignancies provide a unique opportunity for understanding the molecular regulation of cancer progression, including angiogenesis. Dissection of viral gene contribution to tumor angiogenesis could result in a better understanding of the angiogenic process, its contribution to cancer and help in the design of rational therapies that target tumor growth and vascularization.
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Affiliation(s)
- Shuhei Sakakibara
- Laboratory of Cellular Oncology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Giovanna Tosato
- Laboratory of Cellular Oncology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Building 37, Room 4124, Bethesda, MD 20892, USA
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Giatromanolaki A, Koukourakis MI, Pezzella F, Sivridis E, Turley H, Harris AL, Gatter KC. Lactate dehydrogenase 5 expression in non-Hodgkin B-cell lymphomas is associated with hypoxia regulated proteins. Leuk Lymphoma 2009; 49:2181-6. [DOI: 10.1080/10428190802450629] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Bardelli M, Leucci E, Schürfeld K, Bellan C, Passiatore G, Rocchigiani M, Bartolommei S, Orlandini M, Zagursky J, Lazzi S, De Falco G, Tosi P, Oliviero S, Leoncini L. VEGF-D is expressed in activated lymphoid cells and in tumors of hematopoietic and lymphoid tissues. Leuk Lymphoma 2009; 48:2014-21. [DOI: 10.1080/10428190701540975] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Medinger M, Skoda R, Gratwohl A, Theocharides A, Buser A, Heim D, Dirnhofer S, Tichelli A, Tzankov A. Angiogenesis and vascular endothelial growth factor-/receptor expression in myeloproliferative neoplasms: correlation with clinical parameters and JAK2-V617F mutational status. Br J Haematol 2009; 146:150-7. [PMID: 19466975 DOI: 10.1111/j.1365-2141.2009.07726.x] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Data on angiogenesis in the bone marrow of BCR-ABL1-negative myeloproliferative neoplasm (MPN) patients suggest an increase of the microvessel density (MVD) and vascular endothelial growth factor (VEGF) expression, but relations to the JAK2-V617F status remain controversial. We performed immunohistochemical studies of MVD and VEGF-expression in 100 MPN, including 24 essential thrombocythemia- (ET), 46 polycythemia vera- (PV), 26 primary myelofibrosis- (PMF), four myelodysplastic (MDS)/MPN- and 20 control reactive bone marrow cases, and correlated these findings with biological and clinical key data and the JAK2-V617F status. We found significantly increased MVD, particularly that assessed by CD105, and VEGF expression in MPN compared to controls (PMF > PV > MDS/MPN > ET). We observed stronger association between CD105-MVD and VEGF expression, fibrosis, and JAK2-V617F mutant allele burden, compared to CD34-MVD. MVD was strongly increased in MPN with high JAK2-V617F mutant allele burden. Our study highlights the importance of newly formed CD105+ vessels in the bone marrow of MPN patients, and indicates that assessment of CD105-MVD better reflects angiogenic activity in MPN. In addition, it provides evidence that despite the fact that angiogenesis is generally independent of the JAK2-V617F status in MPN, new vessel formation might be linked to Jak2 effects in some cases with high JAK2-V617F mutant allele burden.
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Affiliation(s)
- Michael Medinger
- Department of Hematology, University Hospital Basel, Basel CH-4031, Switzerland
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Histological expression of angiogenic factors: VEGF, PDGFRα, and HIF-1α in Hodgkin lymphoma. Pathol Res Pract 2009; 205:11-20. [DOI: 10.1016/j.prp.2008.07.007] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2008] [Revised: 07/16/2008] [Accepted: 07/21/2008] [Indexed: 11/21/2022]
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Wolfesberger B, Tonar Z, Witter K, Guija de Arespacohaga A, Skalicky M, Walter I, Thalhammer JG, Egger GF. Microvessel density in normal lymph nodes and lymphomas of dogs and their correlation with vascular endothelial growth factor expression. Res Vet Sci 2008; 85:56-61. [PMID: 17888471 DOI: 10.1016/j.rvsc.2007.07.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2007] [Revised: 07/22/2007] [Accepted: 07/28/2007] [Indexed: 11/28/2022]
Abstract
Microvessel density is a frequently used parameter of angiogenesis, which is a complex multistep process necessary for tumor progression. The aim of this study was to compare the microvessel density of normal lymph node biopsies with those diagnosed with lymphoma in dogs. Furthermore, we sought to determine if there was any correlation between microvessel density and vascular endothelial growth factor expression in canine lymphoma, representing a potential target for anti-angiogenic therapy. Combined immunohistochemistry (von Willebrand factor) and lectin histochemistry was used to highlight microvessels in 40 untreated canine lymphomas and 14 normal lymph nodes. To evaluate microvessel density, the number of profiles of blood vessels per unit area was calculated. Fifty image fields (a total area of 5.68 mm(2)) were sampled for each specimen in a systematic random, way. We found a significant difference between the microvessel densities (MVD) of normal and neoplastic lymph nodes (177+/-35 versus 241+/-72 microvessel profiles/mm(2)). Classifying lymphoma samples according to the working formulation and the Kiel classification system revealed no significant differences in MVD between different grade malignancies. Immunohistochemical demonstration of the proangiogenic protein vascular endothelial growth factor showed expression in 60% of canine lymphomas, although there was no correlation between microvessel density and vascular endothelial growth factor expression. As an increase in tumor angiogenesis was observed in lymphoma samples compared to normal canine lymph node tissue, additional anti-angiogenic therapy, besides conventional chemotherapy as a lymphoma treatment may be effective. The optimal target among many pro-angiogenic factors has yet to be elucidated.
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Affiliation(s)
- Birgitt Wolfesberger
- Clinic of Internal Medicine and Infectious Disease, University of Veterinary Medicine, Vienna, Austria.
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Li X, Cai L, Liang M, Wang Y, Yang J, Zhao Y. ING4 induces cell growth inhibition in human lung adenocarcinoma A549 cells by means of Wnt-1/beta-catenin signaling pathway. Anat Rec (Hoboken) 2008; 291:593-600. [PMID: 18399550 DOI: 10.1002/ar.20685] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
ING4, as a novel candidate tumor suppressor gene, has been implicated in several human malignances by tumor growth inhibition and apoptosis enhancement. The mechanism of ING4 remains largely unknown. The purpose of this study was to investigate the inhibitory tumor growth effects of ING4 on lung adenocarcinoma, and its mechanism, by ING4 cDNA transduction into A549 cells. Furthermore, the expression level of ING4 in lung adenocarcinoma tissues was examined. The expression of ING4 was markedly reduced in human lung adenocarcinoma tissues. Overexpression of ING4 can induce growth inhibition in A549 cells both in vitro and in vivo, and also induce up-regulation of p27, down-regulation of cyclinD1, SKP2, and Cox2, and inactivation of the Wnt-1/beta-catenin pathway. Moreover, overexpression of ING4 can enhance the sensitivity of A549 cells to radiotherapy and chemotherapy. Thus, ING4 may play an inhibitory role on A549 cell proliferation and tumor growth in lung adenocarcinoma by up-regulation or down-regulation of cell proliferation-regulating proteins such as p27, cyclinD1, SKP2, and Cox2 by means of inactivation of Wnt-1/beta-catenin signaling.
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Affiliation(s)
- Xiaomei Li
- Department of Pathology, the Affiliated First Harbin Medical University, Harbin, China
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Baumhoer D, Tzankov A, Dirnhofer S, Tornillo L, Terracciano LM. Patterns of liver infiltration in lymphoproliferative disease. Histopathology 2008; 53:81-90. [PMID: 18540976 DOI: 10.1111/j.1365-2559.2008.03069.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
AIMS Liver involvement is a common finding in patients suffering from lymphoproliferative disease, and histopathological patterns of infiltration vary according to lymphoma subtype. Data correlating the form of liver involvement with distinct lymphoma subtypes is, however, scarce. The aim was to review 89 liver biopsies diagnosed with lymphoma infiltration and evaluate the infiltration patterns. METHODS AND RESULTS In equivocal cases, additional immunohistochemical and molecular pathology analyses were performed to differentiate between neoplastic and reactive cell infiltrates and to classify the lymphoma subtypes. Diffuse large B-cell lymphoma (DLBCL), chronic lymphocytic leukaemia (CLL), Hodgkin's lymphoma (HL) and Burkitt lymphoma (BL) were the most prevalent subtypes in our series, which included 14 different lymphoma entities in total. Whereas DLBCL and BL predominantly demonstrated tumour nodules deranging the normal hepatic architecture, CLL and HL mostly showed infiltration of the portal fields. Interestingly, distinct lymphoma entities, particularly marginal zone B-cell lymphomas (MZL) and HL, commonly revealed lympho-epithelial lesions of bile ducts, which were observed in 10% of all investigated cases. Four cases, initially interpreted as T-cell lymphomas, proved to be reactive T-cell lesions. CONCLUSIONS Distinct lymphoma subtypes show characteristic patterns of liver infiltration. Additional molecular analyses can support diagnosis by verification of clonality or detection of characteristic genetic aberrations.
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Affiliation(s)
- D Baumhoer
- Institute of Pathology, University Hospital Basel, Basel, Switzerland.
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Adams H, Schmid P, Dirnhofer S, Tzankov A. Cytokeratin expression in hematological neoplasms: a tissue microarray study on 866 lymphoma and leukemia cases. Pathol Res Pract 2008; 204:569-73. [PMID: 18436389 DOI: 10.1016/j.prp.2008.02.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2007] [Revised: 01/10/2008] [Accepted: 02/08/2008] [Indexed: 11/26/2022]
Abstract
Aberrant expression of cytokeratins (CK) is known to occasionally occur in malignant lymphomas. The monoclonal mouse-anti-human CK cocktail CK22 recognizes keratin polypeptides with a wide range of molecular weights and can be applied in diagnostic panels for tumors of unknown origin. Using tissue microarray technology, we tested 1059 lymphoma and acute leukemia cases, covering the most common disease entities, for aberrant CK expression, using CK22. In total, 866 of the arrayed cases were evaluable (80%), and 13 positive cases (1.5%) were found: 1 out of 230 Hodgkin lymphomas (0.4%), 1 plasma cell myeloma, 2 out of 326 diffuse large B-cell lymphomas (0.6%), 5 out of 18 mantle cell lymphomas (26%), 3 out of 70 small cell lymphomas/chronic lymphocytic leukemias (4%) and 1 out of 27 peripheral T-cell lymphomas, not otherwise specified (4%). Immunostaining was finely granular in most cases, and the total amount of positively staining cells exceeded 10% only in the cases of Hodgkin lymphoma and plasmocytoma. All CK22-positive cases, except for one mantle cell lymphoma, expressed the specific simple epithelial CK8 but not the basal/stratified epithelial CK5/6. Aberrant CK expression can be encountered in a small subset of otherwise characteristic B- and T-cell lymphomas, but not in acute leukemias, which should be considered in difficult differential diagnostic settings.
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Affiliation(s)
- Heiner Adams
- Institute for Pathology, University Hospital Basel, Schoenbeinstrasse 40, 4031 Basel, Switzerland
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D’Haene N, Catteau X, Maris C, Martin B, Salmon I, Decaestecker C. Endothelial hyperplasia and endothelial galectin-3 expression are prognostic factors in primary central nervous system lymphomas. Br J Haematol 2008; 140:402-10. [DOI: 10.1111/j.1365-2141.2007.06929.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Dong X, Han ZC, Yang R. Angiogenesis and antiangiogenic therapy in hematologic malignancies. Crit Rev Oncol Hematol 2006; 62:105-18. [PMID: 17188504 DOI: 10.1016/j.critrevonc.2006.11.006] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2006] [Revised: 11/13/2006] [Accepted: 11/15/2006] [Indexed: 12/15/2022] Open
Abstract
Angiogenesis, the generation of new blood capillaries from preexisting blood vessels, is tightly regulated in the adult organism. Although many of the initial studies were performed on solid tumors, increasing evidence indicates that angiogenesis also plays an important role in hematologic malignancies. Overexpression of angiogenic factors in particular VEGF and bFGF in most hematologic malignancies may explain the increased angiogenesis found in these malignancies and correlate with poor prognosis as well as decreased overall survival. In this review, we focus on the current literature of angiogenesis and antiangiogenic therapy in hematologic malignancies, and finally describe advances and potential challenges in antiangiogenic treatment in hematologic malignancies.
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Affiliation(s)
- Xunwei Dong
- State Key Laboratory of Experimental Hematology, Institute of Hematology and Hospital of Blood Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 288 Nanjing Road, Tianjin 300020, PR China
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