1
|
Kaipainen A, Chen E, Chang L, Zhao B, Shin H, Stahl A, Fishman SJ, Mulliken JB, Folkman J, Huang S, Fannon M. Characterization of lymphatic malformations using primary cells and tissue transcriptomes. Scand J Immunol 2019; 90:e12800. [DOI: 10.1111/sji.12800] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 06/10/2019] [Accepted: 06/22/2019] [Indexed: 01/25/2023]
Affiliation(s)
- Arja Kaipainen
- Vascular Biology Program, Department of Surgery Harvard Medical School, Boston Children's Hospital Boston MA USA
| | - Emy Chen
- Vascular Biology Program, Department of Surgery Harvard Medical School, Boston Children's Hospital Boston MA USA
| | - Lynn Chang
- Vascular Biology Program, Department of Surgery Harvard Medical School, Boston Children's Hospital Boston MA USA
| | - Bing Zhao
- Department of Ophthalmology and Visual Sciences University of Kentucky Lexington KY USA
| | - Hainsworth Shin
- Department of Biomedical Engineering University of Kentucky Lexington KY USA
| | - Andreas Stahl
- Vascular Biology Program, Department of Surgery Harvard Medical School, Boston Children's Hospital Boston MA USA
| | - Steven J. Fishman
- Department of Surgery Harvard Medical School, Boston Children's Hospital Boston MA USA
| | - John B. Mulliken
- Department of Plastic and Oral Surgery, Department of Surgery Harvard Medical School, Boston Children's Hospital Boston MA USA
| | - Judah Folkman
- Vascular Biology Program, Department of Surgery Harvard Medical School, Boston Children's Hospital Boston MA USA
| | - Sui Huang
- Vascular Biology Program, Department of Surgery Harvard Medical School, Boston Children's Hospital Boston MA USA
| | - Michael Fannon
- Vascular Biology Program, Department of Surgery Harvard Medical School, Boston Children's Hospital Boston MA USA
- Department of Ophthalmology and Visual Sciences University of Kentucky Lexington KY USA
| |
Collapse
|
2
|
Affiliation(s)
- A S Perlin
- The Dept. of Chemistry, McGill University, Montreal, PQ H3A 2A7, Canada
| | - F Sauriol
- The Dept. of Chemistry, McGill University, Montreal, PQ H3A 2A7, Canada
| | - B Cooper
- The Dept. of Physiology, McGill University, Montreal, PQ H3A 2A7, Canada
| | - J Folkman
- The Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| |
Collapse
|
3
|
Abstract
SummaryAngiogenesis research is being translated to the clinic. Certain guidelines may facilitate this effort. Recruitment of endothelial cells by a tumor is an early event in angiogenesis, a process regulated at genetic and epigenetic levels. The microvascular endothelial cell has become an important second target in cancer therapy. Angiogenesis inhibitors are either “direct” or “indirect” and their optimal dosing depends on a different logic than conventional chemotherapy. Conversely, antiangiogenic scheduling of chemotherapy can by-pass drug resistance. Like all solid tumors, hematologic malignancies are angiogenesis-dependent. Further, angiogenesis is modulated by proteins and cells from the hematopoietic and hemostatic systems. Clinical testing of angiogenesis inhibitors has accentuated the need for surrogate markers of tumor angiogenesis activity. Microvessel density, so valuable as a prognostic indicator of metastatic risk, cannot determine efficacy of an angiogenesis inhibitor. In the future, angiogenesis inhibitors may be added to chemotherapy or to radiotherapy, or to other modalities. Also, combinations of angiogenesis inhibitors may be administered together.
Collapse
|
4
|
Rahbar R, Brown LF, Folkman J, McGill TJ, Healy GB, Liu G, Vargas SO. Role of Vascular Endothelial Growth Factor a in Children with Acquired Airway Stenosis. Ann Otol Rhinol Laryngol 2016; 116:430-5. [PMID: 17672245 DOI: 10.1177/000348940711600607] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Objectives: Vascular endothelial growth factor A (VEGF-A) is important in the angiogenic response for wound healing. This study investigated whether VEGF-A may play a role in the pathogenesis of acquired airway stenosis. Methods: Eight lesions from 5 pediatric patients with subglottic stenosis after airway reconstruction (N = 4) or prolonged intubation (N = 1) and normal laryngeal tissue from 5 autopsy patients were included. Formalin-fixed sections of subglottic tissue from each patient were examined by in situ hybridization for the presence of messenger RNA (mRNA) for VEGF-A, vascular endothelial growth factor receptor 1 (VEGFR-1), and vascular endothelial growth factor receptor 2 (VEGFR-2). Results: Strong expression of VEGF-A mRNA was noted in hyperplastic squamous epithelium overlying granulation tissue. Strong expression of VEGFR-1 and VEGFR-2 was noted in the endothelial cells within granulation tissue. No strong labeling of VEGF-A mRNA or its receptors was noted in 2 specimens with mature scar tissue or in the control specimens. Conclusions: The angiogenic growth factor VEGF-A is strongly expressed in hyperplastic epithelium overlying granulation tissue in airway stenosis. Also, VEGFR-1 and VEGFR-2 mRNAs are strongly expressed in the endothelial cells of granulation tissue. This finding suggests an important role of VEGF-A in the pathogenesis of airway scar formation and stenosis.
Collapse
Affiliation(s)
- Reza Rahbar
- Department of Otolaryngology and Communication Disorders, Children's Hospital Boston, 300 Longwood Ave, Boston, MA 02115, USA
| | | | | | | | | | | | | |
Collapse
|
5
|
Rahbar R, Vargas SO, Folkman J, McGill TJ, Healy GB, Tan X, Brown LF. Role of Vascular Endothelial Growth Factor–A in Recurrent Respiratory Papillomatosis. Ann Otol Rhinol Laryngol 2016; 114:289-95. [PMID: 15895784 DOI: 10.1177/000348940511400407] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Vascular endothelial growth factor–A (VEGF-A) is known to play an important role in the angiogenic response essential for tumor growth in a variety of human and experimental tumors. This study was designed to investigate whether VEGF-A may play a role in the pathogenesis of recurrent respiratory papillomatosis (RRP). A retrospective study with institutional review board approval was performed at a tertiary care medical center on 12 patients with a history of laryngeal RRP. Their ages at the time of initial diagnosis ranged from 19 to 96 months (mean, 56 months). All patients had involvement of right and left true vocal cords. All patients required multiple endoscopic procedures (range, 4 to 66; mean, 12). Normal pediatric larynx samples from 5 autopsy patients were used as controls. Formalin-fixed, paraffin-embedded sections of laryngeal squamous papillomas from the 12 patients with a diagnosis of RRP and the 5 control patients were examined by in situ hybridization for the presence of messenger RNA (mRNA) for VEGF-A and vascular endothelial growth factor receptor 1 (VEGFR-1) and vascular endothelial growth factor receptor 2 (VEGFR-2). The biopsy specimens were from the true vocal cord (N = 10) or subglottis (N = 2) in the patients with RRP and consisted of large sections of larynx including the true vocal cord in the control patients (N = 5). Strong expression of VEGF-A mRNA was noted in the squamous epithelium of papillomas of all 12 patients. Strong expression of VEGFR-1 and VEGFR-2 was noted in the endothelial cells of the underlying vessels in all 12 patients. Neither strong labeling of VEGF-A mRNA nor labeling of its receptors was noted in the control patients. We conclude that the angiogenic growth factor VEGF-A is strongly expressed in the epithelium of squamous papillomas in RRP. Also, VEGFR-1 and VEGFR-2 mRNAs are strongly expressed by underlying vascular endothelial cells, suggesting an important role in the pathogenesis of RRP.
Collapse
Affiliation(s)
- Reza Rahbar
- Dept of Otolaryngology and Communication Disorders, Children's Hospital, 300 Longwood Ave, Boston, MA 02115, USA
| | | | | | | | | | | | | |
Collapse
|
6
|
|
7
|
|
8
|
Rogers MS, Novak K, Zurakowski D, Cryan LM, Blois A, Lifshits E, Bø TH, Oyan AM, Bender ER, Lampa M, Kang SY, Naxerova K, Kalland KH, Straume O, Akslen LA, Watnick RS, Folkman J, Naumov GN. Spontaneous reversion of the angiogenic phenotype to a nonangiogenic and dormant state in human tumors. Mol Cancer Res 2014; 12:754-64. [PMID: 24574516 DOI: 10.1158/1541-7786.mcr-13-0532-t] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
UNLABELLED The angiogenic switch, a rate-limiting step in tumor progression, has already occurred by the time most human tumors are detectable. However, despite significant study of the mechanisms controlling this switch, the kinetics and reversibility of the process have not been explored. The stability of the angiogenic phenotype was examined using an established human liposarcoma xenograft model. Nonangiogenic cells inoculated into immunocompromised mice formed microscopic tumors that remained dormant for approximately 125 days (vs. <40 days for angiogenic cells) whereupon the vast majority (>95%) initiated angiogenic growth with second-order kinetics. These original, clonally derived angiogenic tumor cells were passaged through four in vivo cycles. At each cycle, a new set of single-cell clones was established from the most angiogenic clone and characterized for in vivo for tumorigenic activity. A total of 132 single-cell clones were tested in the second, third, and fourth in vivo passage. Strikingly, at each passage, a portion of the single-cell clones formed microscopic, dormant tumors. Following dormancy, like the original cell line, these revertant tumors spontaneously switched to the angiogenic phenotype. Finally, revertant clones were transcriptionally profiled and their angiogenic output determined. Collectively, these data demonstrate that the angiogenic phenotype in tumors is malleable and can spontaneously revert to the nonangiogenic phenotype in a population of human tumor cells. IMPLICATIONS Leveraging the rate of reversion to the nonangiogenic phenotype and tumor dormancy may be a novel anticancer strategy.
Collapse
Affiliation(s)
- Michael S Rogers
- Authors' Affiliations: Departments of Surgery and 2Anesthesia; 3the Vascular Biology Program, Boston Children's Hospital; 4Harvard Medical School, Boston, Massachusetts; 5Department of Microbiology, Haukeland University Hospital; 6Section for Microbiology, The Gade Institute; 7Centre for Cancer Biomarkers CCBIO, Department of Clinical Medicine; and 8Section of Oncology, Institute of Internal Medicine, University of Bergen, Bergen, Norway
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
9
|
Sugimoto M, Cutler A, Shen B, Moss SE, Iyengar SK, Klein R, Folkman J, Anand-Apte B. Inhibition of EGF signaling protects the diabetic retina from insulin-induced vascular leakage. Am J Pathol 2013; 183:987-95. [PMID: 23831329 DOI: 10.1016/j.ajpath.2013.05.017] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2012] [Revised: 05/02/2013] [Accepted: 05/14/2013] [Indexed: 02/03/2023]
Abstract
Diabetes mellitus is a disease with considerable morbidity and mortality worldwide. Breakdown of the blood-retinal barrier and leakage from the retinal vasculature leads to diabetic macular edema, an important cause of vision loss in patients with diabetes. Although epidemiologic studies and randomized clinical trials suggest that glycemic control plays a major role in the development of vascular complications of diabetes, insulin therapies for control of glucose metabolism cannot prevent long-term retinal complications. The phenomenon of temporary paradoxical worsening of diabetic macular edema after insulin treatment has been observed in a number of studies. In prospective studies on non-insulin-dependent (type 2) diabetes mellitus patients, a change in treatment from oral drugs to insulin was often associated with a significant increased risk of retinopathy progression and visual impairment. Although insulin therapies are critical for regulation of the metabolic disease, their role in the retina is controversial. In this study with diabetic mice, insulin treatment resulted in increased vascular leakage apparently mediated by betacellulin and signaling via the epidermal growth factor (EGF) receptor. In addition, treatment with EGF receptor inhibitors reduced retinal vascular leakage in diabetic mice on insulin. These findings provide unique insight into the role of insulin signaling in mediating retinal effects in diabetes and open new avenues for therapeutics to treat the retinal complications of diabetes mellitus.
Collapse
Affiliation(s)
- Masahiko Sugimoto
- Department of Ophthalmology, Cole Eye Institute, Cleveland Clinic Lerner College of Medicine, Cleveland Clinic, Cleveland, Ohio 44195, USA
| | | | | | | | | | | | | | | |
Collapse
|
10
|
Almog N, Ma L, Schwager C, Brinkmann BG, Beheshti A, Vajkoczy P, Folkman J, Hlatky L, Abdollahi A. Consensus micro RNAs governing the switch of dormant tumors to the fast-growing angiogenic phenotype. PLoS One 2012; 7:e44001. [PMID: 22952847 PMCID: PMC3432069 DOI: 10.1371/journal.pone.0044001] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2012] [Accepted: 07/27/2012] [Indexed: 11/19/2022] Open
Abstract
Tumor dormancy refers to a critical stage in cancer development in which tumor cells remain occult for a prolonged period of time until they eventually progress and become clinically apparent. We previously showed that the switch of dormant tumors to fast-growth is angiogenesis dependent and requires a stable transcriptional reprogramming in tumor cells. Considering microRNAs (miRs) as master regulators of transcriptome, we sought to investigate their role in the control of tumor dormancy. We report here the identification of a consensus set of 19 miRs that govern the phenotypic switch of human dormant breast carcinoma, glioblastoma, osteosarcoma, and liposarcoma tumors to fast-growth. Loss of expression of dormancy-associated miRs (DmiRs, 16/19) was the prevailing regulation pattern correlating with the switch of dormant tumors to fast-growth. The expression pattern of two DmiRs (miR-580 and 190) was confirmed to correlate with disease stage in human glioma specimens. Reconstitution of a single DmiR (miR-580, 588 or 190) led to phenotypic reversal of fast-growing angiogenic tumors towards prolonged tumor dormancy. Of note, 60% of angiogenic glioblastoma and 100% of angiogenic osteosarcoma over-expressing miR190 remained dormant during the entire observation period of ∼ 120 days. Next, the ability of DmiRs to regulate angiogenesis and dormancy-associated genes was evaluated. Transcriptional reprogramming of tumors via DmiR-580, 588 or 190 over-expression resulted in downregulation of pro-angiogenic factors such as TIMP-3, bFGF and TGFalpha. In addition, a G-CSF independent downregulation of Bv8 was found as a common target of all three DmiRs and correlated with decreased tumor recruitment of bone marrow-derived CD11b+ Gr-1+ myeloid cells. In contrast, antiangiogenic and dormancy promoting pathways such as EphA5 and Angiomotin were upregulated in DmiR over-expressing tumors. This work suggests novel means to reverse the malignant tumor phenotype into an asymptomatic dormant state and may provide promising targets for early detection or prevention of cancer.
Collapse
Affiliation(s)
- Nava Almog
- Center of Cancer Systems Biology, Steward Research & Specialty Projects Corp., St. Elizabeth's Medical Center, Tufts University School of Medicine, Boston, Massachusetts, United States of America
- * E-mail: (AA); (NA)
| | - Lili Ma
- Center of Cancer Systems Biology, Steward Research & Specialty Projects Corp., St. Elizabeth's Medical Center, Tufts University School of Medicine, Boston, Massachusetts, United States of America
| | - Christian Schwager
- Molecular and Translational Radiation Oncology, Heidelberg Ion Therapy Center, University of Heidelberg Medical School and National Center for Tumor diseases, German Cancer Research Center, Heidelberg, Germany
| | - Bastian G. Brinkmann
- Department of Neurosurgery, Charité – Universitaetsmedizin Berlin, Berlin, Germany
| | - Afshin Beheshti
- Center of Cancer Systems Biology, Steward Research & Specialty Projects Corp., St. Elizabeth's Medical Center, Tufts University School of Medicine, Boston, Massachusetts, United States of America
| | - Peter Vajkoczy
- Department of Neurosurgery, Charité – Universitaetsmedizin Berlin, Berlin, Germany
| | - Judah Folkman
- Department of Surgery, Harvard Medical School and Vascular Biology Program, Children's Hospital, Boston, Massachusetts, United States of America
| | - Lynn Hlatky
- Center of Cancer Systems Biology, Steward Research & Specialty Projects Corp., St. Elizabeth's Medical Center, Tufts University School of Medicine, Boston, Massachusetts, United States of America
| | - Amir Abdollahi
- Center of Cancer Systems Biology, Steward Research & Specialty Projects Corp., St. Elizabeth's Medical Center, Tufts University School of Medicine, Boston, Massachusetts, United States of America
- Molecular and Translational Radiation Oncology, Heidelberg Ion Therapy Center, University of Heidelberg Medical School and National Center for Tumor diseases, German Cancer Research Center, Heidelberg, Germany
- * E-mail: (AA); (NA)
| |
Collapse
|
11
|
Peterson JE, Zurakowski D, Italiano JE, Michel LV, Connors S, Oenick M, D'Amato RJ, Klement GL, Folkman J. VEGF, PF4 and PDGF are elevated in platelets of colorectal cancer patients. Angiogenesis 2012; 15:265-73. [PMID: 22402885 DOI: 10.1007/s10456-012-9259-z] [Citation(s) in RCA: 155] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2011] [Accepted: 02/18/2012] [Indexed: 11/27/2022]
Abstract
Platelets sequester angiogenesis regulatory proteins which suggests an avenue for developing biomarkers to monitor disease. We describe a comparison of angiogenesis regulatory proteins found in platelets of colorectal cancer patients and normal controls. Platelet and plasma content of vascular endothelial growth factor (VEGF), basic fibroblast growth factor (bFGF), platelet derived growth factor (PDGF), platelet factor 4 (PF4), thrombospondin-1 (TSP-1) and endostatin in 35 patients with colon cancer were compared with 84 age-matched healthy controls using ELISAs. We standardized the platelet preparation procedure, introduced process controls and normalized the respective protein levels to platelet numbers using an actin ELISA. Statistically significant differences were found in the median levels of VEGF, PF4 and PDGF in platelets of patients with cancer compared to healthy individuals. Platelet concentrations in cancer patients versus controls were: VEGF 1.3 versus 0.6 pg/10(6), PF4 18.5 versus 9.4 ng/10(6), and PDGF 34.1 versus 21.0 pg/10(6). Multivariable logistic regression analysis indicated that PDGF, PF4 and VEGF were independent predictors of colorectal carcinoma and as a set provided statistically significant discrimination (area under the curve = 0.893, P < .0001). No significant differences were detected for bFGF, endostatin, or TSP-1. Reference Change Value analysis determined that the differences seen were not clinically significant. Plasma levels yielded no correlations.
Collapse
Affiliation(s)
- Jon E Peterson
- Department of Research and Development, Ortho Clinical Diagnostics, Rochester, NY 14626, USA.
| | | | | | | | | | | | | | | | | |
Collapse
|
12
|
Deng X, Xiong X, Khomenko T, Sandor Z, Osapay K, Tolstanova G, Shiloach J, Chen L, Folkman J, Szabo S. Inappropriate angiogenic response as a novel mechanism of duodenal ulceration and impaired healing. Dig Dis Sci 2011; 56:2792-801. [PMID: 21735086 PMCID: PMC9534042 DOI: 10.1007/s10620-011-1753-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2010] [Accepted: 05/09/2011] [Indexed: 01/19/2023]
Abstract
BACKGROUND Despite recent advances and better understanding of the etiology and the pathogenesis of gastrointestinal ulcer diseases, e.g., duodenal ulcer, the molecular events leading to ulcer development, delayed healing, and recurrence remain poorly elucidated. AIMS After we found that duodenal ulcers did not heal despite increased levels of vascular endothelial growth factor (VEGF), we tested the hypothesis that an imbalance in angiogenic VEGF and anti-angiogenic endostatin and angiostatin might be important in the development and delayed healing of experimental duodenal ulcers. METHODS Levels of VEGF, endostatin, and angiostatin, and the expression and activity of related matrix metalloproteinases (MMP) 2 and 9 were measured in scrapings of rat proximal duodenal mucosa in the early and late stages of chemically induced duodenal ulceration. Furthermore, animals were treated with recombinant endostatin and MMP 2 inhibitor to test the relationship between MMP2 and endostatin and their involvement in healing of experimental duodenal ulcers. RESULTS A concurrent increase of duodenal VEGF, endostatin, and angiostatin was noted during duodenal ulceration. Endostatin treatment aggravated duodenal ulcer. Levels of MMP2, but not MMP9, were increased. Inhibition of MMP2 reduced levels of endostatin and angiostatin, and attenuated duodenal ulcers. CONCLUSIONS Increased levels of endostatin and angiostatin induced by MMP2 delayed healing of duodenal ulcers despite concurrently increased VEGF. Thus, an inappropriate angiogenic response or "angiogenic imbalance" may be an important new mechanism in ulcer development and impaired healing.
Collapse
Affiliation(s)
- Xiaoming Deng
- Diagnostic & Molecular Medicine, VA Medical Center, 5901 E. 7th Street, Long Beach, CA 90822, USA,Department of Pathology, University of California-Irvine, Irvine, CA 92697, USA
| | - Ximing Xiong
- Diagnostic & Molecular Medicine, VA Medical Center, 5901 E. 7th Street, Long Beach, CA 90822, USA
| | - Tetyana Khomenko
- Diagnostic & Molecular Medicine, VA Medical Center, 5901 E. 7th Street, Long Beach, CA 90822, USA,Department of Pathology, University of California-Irvine, Irvine, CA 92697, USA
| | - Zsuzsanna Sandor
- Medical Health Care Groups, VA Medical Center, 5901 E. 7th Street, Long Beach, CA 90822, USA,Department of Medicine, University of California-Irvine, Irvine, CA 92697, USA
| | - Klara Osapay
- Diagnostic & Molecular Medicine, VA Medical Center, 5901 E. 7th Street, Long Beach, CA 90822, USA
| | - Ganna Tolstanova
- Diagnostic & Molecular Medicine, VA Medical Center, 5901 E. 7th Street, Long Beach, CA 90822, USA,Department of Pathology, University of California-Irvine, Irvine, CA 92697, USA
| | - Joseph Shiloach
- Biotechnology Unit, NIDDK, NIH Bldg 14A, Room 173, Bethesda, MD 20892, USA
| | - Longchuan Chen
- Diagnostic & Molecular Medicine, VA Medical Center, 5901 E. 7th Street, Long Beach, CA 90822, USA
| | - Judah Folkman
- Departments of Pediatric Surgery and Cell Biology, Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Sandor Szabo
- Diagnostic & Molecular Medicine, VA Medical Center, 5901 E. 7th Street, Long Beach, CA 90822, USA,Departments of Pathology and Pharmacology, University of California-Irvine, Irvine, CA 92697, USA
| |
Collapse
|
13
|
Becker CM, Beaudry P, Funakoshi T, Benny O, Zaslavsky A, Zurakowski D, Folkman J, D'Amato RJ, Ryeom S. Circulating endothelial progenitor cells are up-regulated in a mouse model of endometriosis. Am J Pathol 2011; 178:1782-91. [PMID: 21435458 PMCID: PMC3070089 DOI: 10.1016/j.ajpath.2010.12.037] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2010] [Revised: 12/20/2010] [Accepted: 12/23/2010] [Indexed: 01/01/2023]
Abstract
Endometriosis is a debilitating disease characterized by the growth of ectopic endometrial tissue. It is widely accepted that angiogenesis plays an integral part in the establishment and growth of endometriotic lesions. Recent data from a variety of angiogenesis-dependent diseases suggest a critical role of bone marrow–derived endothelial progenitor cells (EPCs) in neovascularization. In this study we examined the blood levels of EPCs and mature circulating endothelial cells in a mouse model of surgically induced endometriosis. Fluorescence-activated cell sorting analysis revealed elevated levels of EPCs in the blood of mice with endometriosis compared with control subject that underwent a sham operation. EPC concentrations positively correlated with the amount of endometriotic tissue and peaked 1 to 4 days after induction of disease. In a green fluorescent protein bone marrow transplant experiment we found green fluorescent protein–positive endothelial cells incorporated into endometriotic lesions but not eutopic endometrium, as revealed by flow cytometry and immunohistochemistry. Finally, treatment of endometriosis-bearing mice with the angiogenesis inhibitor Lodamin, an oral nontoxic formulation of TNP-470, significantly decreased EPC levels while suppressing lesion growth. Taken together, our data indicate an important role for bone marrow–derived endothelial cells in the pathogenesis of endometriosis and support the potential clinical use of anti-angiogenic therapy as a novel treatment modality for this disease.
Collapse
Affiliation(s)
- Christian M Becker
- Vascular Biology Program, Children's Hospital Boston, Harvard Medical School, Boston, Massachusetts, USA.
| | | | | | | | | | | | | | | | | |
Collapse
|
14
|
Grillo J, DelloRusso C, Lynch RC, Folkman J, Zaslavsky A. Regulation of the angiogenesis inhibitor thrombospondin-1 by the breast cancer susceptibility gene-1 (BRCA1). Breast J 2011; 17:434-5. [PMID: 21679271 DOI: 10.1111/j.1524-4741.2011.01109.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
15
|
Liang G, Butterfield C, Liang J, Birsner A, Folkman J, Shing Y. Beta-35 is a transferrin-derived inhibitor of angiogenesis and tumor growth. Biochem Biophys Res Commun 2011; 409:562-6. [PMID: 21605550 DOI: 10.1016/j.bbrc.2011.05.045] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2011] [Accepted: 05/07/2011] [Indexed: 11/30/2022]
Abstract
An angiogenesis inhibitor named Beta-35 has been identified and purified from the conditioned medium of mouse pancreatic β cells tumor cells. Beta-35 has a molecular weight of 35 kDa and inhibits DNA synthesis of bovine capillary endothelial cells at a half-maximal concentration of approximately 5 nM. It shows anti-angiogenic activity in the chick embryo chorioallantoic membrane at a dose of about 1 μg/embryo. Amino acid microsequencing and mass spectrometric analysis of the purified protein demonstrate that Beta-35 contains the first 314 residues of the N-terminal sequence of bovine transferrin. We have cloned and expressed this protein in Escherichia coli using the corresponding gene segment of Beta-35 contained in the cDNA of human transferrin. The recombinant protein of Beta-35 shows significant anti-tumor activity at a dose of 5mg/kg/day against human pancreatic cancer or melanoma implanted subcutaneously in SCID mice.
Collapse
Affiliation(s)
- Gang Liang
- Vascular Biology Program, Department of Surgery, Children's Hospital, and Harvard Medical School, Boston, MA, USA.
| | | | | | | | | | | |
Collapse
|
16
|
Anand-Apte B, Ebrahem Q, Cutler A, Farage E, Sugimoto M, Hollyfield J, Folkman J. Betacellulin induces increased retinal vascular permeability in mice. PLoS One 2010; 5:e13444. [PMID: 20976146 PMCID: PMC2956654 DOI: 10.1371/journal.pone.0013444] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2010] [Accepted: 09/11/2010] [Indexed: 12/27/2022] Open
Abstract
Background Diabetic maculopathy, the leading cause of vision loss in patients with type 2 diabetes, is characterized by hyper-permeability of retinal blood vessels with subsequent formation of macular edema and hard exudates. The degree of hyperglycemia and duration of diabetes have been suggested to be good predictors of retinal complications. Intervention studies have determined that while intensive treatment of diabetes reduced the development of proliferative diabetic retinopathy it was associated with a two to three-fold increased risk of severe hypoglycemia. Thus we hypothesized the need to identify downstream glycemic targets, which induce retinal vascular permeability that could be targeted therapeutically without the additional risks associated with intensive treatment of the hyperglycemia. Betacellulin is a 32 kD member of the epidermal growth factor family with mitogenic properties for the retinal pigment epithelial cells. This led us to hypothesize a role for betacellulin in the retinal vascular complications associated with diabetes. Methods and Findings In this study, using a mouse model of diabetes, we demonstrate that diabetic mice have accentuated retinal vascular permeability with a concomitant increased expression of a cleaved soluble form of betacellulin (s-Btc) in the retina. Intravitreal injection of soluble betacellulin induced retinal vascular permeability in normoglycemic and hyperglycemic mice. Western blot analysis of retinas from patients with diabetic retinopathy showed an increase in the active soluble form of betacellulin. In addition, an increase in the levels of A disintegrin and metalloproteinase (ADAM)-10 which plays a role in the cleavage of betacellulin was seen in the retinas of diabetic mice and humans. Conclusions These results suggest that excessive amounts of betacellulin in the retina may contribute to the pathogenesis of diabetic macular edema.
Collapse
Affiliation(s)
- Bela Anand-Apte
- Department of Ophthalmology, Cole Eye Institute, Cleveland Clinic Lerner College of Medicine, Cleveland, Ohio, United States of America.
| | | | | | | | | | | | | |
Collapse
|
17
|
Abstract
Tumors implanted near the scapulae have been shown to grow four times faster than the same tumors implanted at the iliac crest. Although there were marked differences in the vascularization of tumors from these two different sites, the mechanism controlling regional angiogenesis was not identified. Here, we show site-specific growth of intraperitoneal tumor implants in the mouse abdomen. Our data indicate that the angiogenic response of the host differs significantly between the upper and lower sites in the mouse abdomen and reveal that the expansion of tumor mass is restricted to sites with low angiogenic responses, such as the bowel mesentery in the lower abdomen. We show that, in this model, this suppression of angiogenesis is due to an expression gradient of thrombospondin-1 (TSP-1), a potent endogenous angiogenesis inhibitor. Mice with a targeted deletion of TSP-1 no longer show regional restriction of tumor growth. The physiologic relevance of these findings may be seen in patients with peritoneal carcinomatosis, whereby tumors spread within the peritoneal cavity and show differential growth in the upper and lower abdomen. We hypothesize that the difference in tumor growth in these patients may be due to a gradient of TSP-1 expression in stroma. Finally, our studies suggest that upregulation of TSP-1 in tumor cells is one method to suppress the growth of tumors in the upper abdomen.
Collapse
Affiliation(s)
- Alexander Zaslavsky
- Vascular Biology Program and Department of Surgery, Children's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | | | | | | | | | | | | | | |
Collapse
|
18
|
Panigrahy D, Kaipainen A, Butterfield CE, Chaponis DM, Laforme AM, Folkman J, Kieran MW. Inhibition of tumor angiogenesis by oral etoposide. Exp Ther Med 2010; 1:739-746. [PMID: 22993597 DOI: 10.3892/etm.2010.127] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2010] [Accepted: 06/04/2010] [Indexed: 12/26/2022] Open
Abstract
The chemotherapeutic agent etoposide is a topoisomerase II inhibitor widely used for cancer therapy. Low-dose oral etoposide, administered at close regular intervals, has potent anti-tumor activity in patients who are refractory to intravenous etoposide; however, the mechanism remains unclear. Since endothelial cells may be more sensitive than tumor cells to chemotherapy agents, we determined the effects of etoposide alone and in combination with oral cyclooxygenase-2 inhibitors and peroxisome-proliferator activated receptor γ ligands on angiogenesis and tumor growth in xenograft tumor models. Optimal anti-angiogenic (metronomic) and anti-tumor doses of etoposide on angiogenesis, primary tumor growth and metastasis were established alone and in combination therapy. Etoposide inhibited endothelial and tumor cell proliferation, decreased vascular endothelial growth factor (VEGF) production by tumor cells and suppressed endothelial tube formation at non-cytotoxic concentrations. In our in vivo studies, oral etoposide inhibited fibroblast growth factor 2 and VEGF-induced corneal neovascularization, VEGF-induced vascular permeability and increased levels of the endogenous angiogenesis inhibitor endostatin in mice. In addition, etoposide inhibited Lewis lung carcinoma (LLC) and human glioblastoma (U87) primary tumor growth as well as spontaneous lung metastasis in a LLC resection model. Furthermore, etoposide had synergistic anti-tumor activity in combination with celecoxib and rosiglitazone, which are also oral anti-angiogenic and anti-tumor agents. Etoposide inhibits angiogenesis in vitro and in vivo by indirect and direct mechanisms of action. Combining etoposide with celecoxib and rosiglitazone increases its efficacy and merits further investigation in future clinical trials to determine the potential usefulness of etoposide in combinatory anti-angiogenic chemotherapy.
Collapse
Affiliation(s)
- Dipak Panigrahy
- Vascular Biology Program, Children's Hospital Boston, Department of Surgery, Harvard Medical School; ; Division of Pediatric Hematology/Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | | | | | | | | | | | | |
Collapse
|
19
|
Peterson JE, Zurakowski D, Italiano JE, Michel LV, Fox L, Klement GL, Folkman J. Normal ranges of angiogenesis regulatory proteins in human platelets. Am J Hematol 2010; 85:487-93. [PMID: 20575035 DOI: 10.1002/ajh.21732] [Citation(s) in RCA: 116] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Platelets sequester angiogenesis regulatory proteins early in tumor growth, which suggests a new avenue for monitoring disease. To date, there are no clinically relevant reference ranges for markers of early angiogenesis. We introduce a new ELISA-based method for accurate and reproducible measurement of vascular endothelial growth factor (VEGF), platelet-derived growth factor (PDGF), platelet factor 4 (PF4), thrombospondin-1 (TSP-1), fibroblast growth factor, basic (bFGF), and endostatin in platelets. To facilitate clinical applicability, the platelet levels in isolated samples were determined utilizing a new actin ELISA method. Platelets from healthy donors at single and repetitive time points were used for the assessment of normal ranges of these proteins. The physiological levels in platelets were: VEGF (0.74 +/- 0.37 pg/10(6) platelets); PDGF (23 +/- 6 pg/10(6)); PF4 (12 +/- 5 ng/10(6)); TSP-1 (31 +/- 12 ng/10(6)); bFGF (0.44 +/- 0.15 pg/10(6)); and endostatin (5.6 +/- 3.0 pg/10(6)). There was an excellent correlation (R(2) = 0.7) between the platelet levels calculated with the actin ELISA and complete blood count. The levels of the platelets were higher than those in platelet-poor plasma by factors of: VEGF (215-fold); PDGF (914-fold); PF-4 (516-fold); TSP-1 (813-fold); and bFGF (17-fold). The endostatin levels were nearly equivalent. The biovariability of the platelet proteins in eight healthy subjects over a 5-week period was found to be minimal. We describe accurate and direct measurements of the concentrations of VEGF, bFGF, PDGF, TSP-1, endostatin, and PF4 in platelets of healthy human subjects. In contrast to the highly variable levels in plasma and serum, the platelet-derived measurements were accurate and reproducible with minimal biovariability.
Collapse
Affiliation(s)
- Jon E Peterson
- Department of Research and Development, Ortho Clinical Diagnostics, Rochester, New York, USA.
| | | | | | | | | | | | | |
Collapse
|
20
|
Abstract
2-methoxyestradiol (2ME2) is a potent antiangiogenic molecule that inhibits the expression of hypoxia-inducible factor (HIF)-1alpha and, consequently, of VEGF and other HIF-1alpha target genes. Although 2ME2 is elevated during pregnancy in maternal serum, its presence in fetal fluids and its impact in neonatal health are unknown. In this study, we 1) described normal levels of 2ME2 in maternal blood, cord blood, breast milk, and amniotic fluid, and 2) compared a composite measure of perinatal outcome between infants born with high and low levels of 2ME2. We found that 2ME2 was significantly decreased in all fluids compared with prepartum maternal serum. After stratifying babies by 2ME2 exposure levels, we observed no differences in the vulnerability to impaired lung development or to complications involving aberrant angiogenesis or vascular leak, such as necrotizing enterocolitis (NEC), intraventricular hemorrhage (IVH), posthemorrhagic hydrocephalus (PHH), and retinopathy of prematurity (ROP). In summary, fetal 2ME2 concentrations do not appear to affect neonatal outcome.
Collapse
Affiliation(s)
- Carmen M Barnes
- Department of Surgery, Children's Hospital Boston, Boston, Massachusetts 02115, USA
| | | | | | | |
Collapse
|
21
|
Hansen AR, Barnés CM, Folkman J, McElrath TF. Maternal preeclampsia predicts the development of bronchopulmonary dysplasia. J Pediatr 2010; 156:532-6. [PMID: 20004912 DOI: 10.1016/j.jpeds.2009.10.018] [Citation(s) in RCA: 159] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2009] [Revised: 09/16/2009] [Accepted: 10/15/2009] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To test the hypothesis that exposure to preeclampsia is associated with an increased risk of bronchopulmonary dysplasia (BPD). STUDY DESIGN A prospective cohort study of 107 babies born between 23 and 32 weeks gestation, collecting maternal, neonatal, and placental data. RESULTS Of the 107 infants studied, 27 (25%) developed BPD. The bivariate odds ratio (OR) for the relationship between pre-eclampsia and BPD was 2.96 (95% confidence interval [CI] = 1.17 to 7.51; P = .01). When controlling for gestational age, birth weight z-score, chorioamnionitis, and other clinical confounders, the OR of developing BPD was 18.7 (95% CI = 2.44 to 144.76). Including the occurrence of preeclampsia, clinical chorioamnionitis, male sex, and maternal tobacco use in addition to gestational age and birth weight z-score accounted for 54% of the variability of the odds of developing BPD. CONCLUSIONS BPD is increased for infants exposed to preeclampsia. This has possible implications for the prevention of BPD with proangiogenic agents, such as vascular endothelial growth factor.
Collapse
Affiliation(s)
- Anne R Hansen
- Division of Newborn Medicine, Children's Hospital, Boston, MA 02115, USA.
| | | | | | | |
Collapse
|
22
|
Lee TY, Folkman J, Javaherian K. HSPG-binding peptide corresponding to the exon 6a-encoded domain of VEGF inhibits tumor growth by blocking angiogenesis in murine model. PLoS One 2010; 5:e9945. [PMID: 20376344 PMCID: PMC2848586 DOI: 10.1371/journal.pone.0009945] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2009] [Accepted: 01/31/2010] [Indexed: 12/22/2022] Open
Abstract
Vascular endothelial growth factor VEGF165 is a critical element for development of the vascular system in physiological and pathological angiogenesis. VEGF isoforms have different affinities for heparan sulphate proteoglycan (HSPG) as well as for VEGF receptors; HSPGs are important regulators in vascular development. Therefore, inhibition of interactions between VEGF and HSPGs may prevent angiogenesis. Here, we demonstrate that an HSPG-binding synthetic peptide, corresponding to exon 6a-encoded domain of VEGF gene, has anti-angiogenic property. This 20 amino acids synthetic peptide prevents VEGF165 binding to several different cell types, mouse embryonic sections and inhibits endothelial cell migration, despite its absence in VEGF165 sequence. Our in vivo anti-tumor studies show that the peptide inhibits tumor growth in both mouse Lewis-Lung Carcinoma and human Liposarcoma tumor-bearing animal models. This is the first evidence that a synthetic VEGF fragment corresponding to exon 6a has functional antagonism both in vitro and in vivo. We conclude that the above HPSG binding peptide (6a-P) is a potent inhibitor of angiogenesis-dependent diseases.
Collapse
Affiliation(s)
- Tong-Young Lee
- Vascular Biology Program, Department of Surgery, Children's Hospital Boston and Harvard Medical School, Boston, Massachusetts, United States of America
- * E-mail: (T-YL); (KJ)
| | - Judah Folkman
- Vascular Biology Program, Department of Surgery, Children's Hospital Boston and Harvard Medical School, Boston, Massachusetts, United States of America
| | - Kashi Javaherian
- Vascular Biology Program, Department of Surgery, Children's Hospital Boston and Harvard Medical School, Boston, Massachusetts, United States of America
- Center of Cancer Systems Biology, Department of Medicine, St. Elizabeth's Medical Center, School of Medicine, Tufts University, Boston, Massachusetts, United States of America
- * E-mail: (T-YL); (KJ)
| |
Collapse
|
23
|
Abdollahi A, Folkman J. Evading tumor evasion: current concepts and perspectives of anti-angiogenic cancer therapy. Drug Resist Updat 2010; 13:16-28. [PMID: 20061178 DOI: 10.1016/j.drup.2009.12.001] [Citation(s) in RCA: 176] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2009] [Revised: 12/20/2009] [Accepted: 12/22/2009] [Indexed: 12/20/2022]
Abstract
Within three decades, anti-angiogenic therapy has rapidly evolved into an integral component of current standard anti-cancer treatment. Anti-angiogenic therapy has fulfilled a number of its earlier proposed promises. The universality of this approach is demonstrated by the broad spectrum of malignant and benign tumor entities, as well as non-neoplastic diseases, that are currently treated with anti-angiogenic agents. In contrast to tumor cell targeting therapies, the development of acquired drug resistance (e.g., via mutations in growth factor receptor signaling genes) has not been described yet for the principal target of anti-angiogenic therapy--the tumor endothelium. Moreover, the tumor endothelium has emerged as a critical target of conventional cancer therapies, such as chemotherapy and radiotherapy. The presumption that tumor growth and metastasis are angiogenesis-dependent implies that the number of potential targets of an anti-cancer therapy could be reduced to those that stimulate the angiogenesis process. Therefore, the set of endogenous angiogenesis stimulants might constitute an "Achilles heel" of cancer. Direct targeting of tumor endothelium via, e.g., endogenous angiogenesis inhibitors poses another promising but clinically less explored therapeutic strategy. Indeed, the majority of current anti-angiogenic approaches block the activity of a single or at most a few pro-angiogenic proteins secreted by tumor cells or the tumor stroma. Based on our systems biology work on the angiogenic switch, we predicted that the redundancy of angiogenic signals might limit the efficacy of anti-angiogenic monotherapies. In support of this hypothesis, emerging experimental evidence suggests that tumors may become refractory or even evade the inhibition of a single pro-angiogenic pathway via compensatory upregulation of alternative angiogenic factors. Here, we discuss current concepts and propose novel strategies to overcome tumor evasion of anti-angiogenic therapy. We believe that early detection of tumors, prediction of tumor evasive mechanisms and rational design of anti-angiogenic combinations will direct anti-angiogenic therapy towards its ultimate goal--the conversion of cancer to a dormant, chronic, manageable disease.
Collapse
Affiliation(s)
- Amir Abdollahi
- Center of Cancer Systems Biology, Dept. of Medicine, St. Elizabeth's Medical Center, Tufts University School of Medicine, Boston, MA 02135, USA.
| | | |
Collapse
|
24
|
LeBleu V, Sugimoto H, Mundel TM, Gerami-Naini B, Finan E, Miller CA, Gattone VH, Lu L, Shield CF, Folkman J, Kalluri R. Stem cell therapies benefit Alport syndrome. J Am Soc Nephrol 2009; 20:2359-70. [PMID: 19833902 DOI: 10.1681/asn.2009010123] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Patients with Alport syndrome progressively lose renal function as a result of defective type IV collagen in their glomerular basement membrane. In mice lacking the alpha3 chain of type IV collagen (Col4A3 knockout mice), a model for Alport syndrome, transplantation of wild-type bone marrow repairs the renal disease. It is unknown whether cell-based therapies that do not require transplantation have similar potential. Here, infusion of wild-type bone marrow-derived cells into unconditioned, nonirradiated Col4A3 knockout mice during the late stage of disease significantly improved renal histology and function. Furthermore, transfusion of unfractionated wild-type blood into unconditioned, nonirradiated Col4A3 knockout mice improved the renal phenotype and significantly improved survival. Injection of mouse and human embryonic stem cells into Col4A3 knockout mice produced similar results. Regardless of treatment modality, the improvement in the architecture of the glomerular basement membrane is associated with de novo expression of the alpha3(IV) chain. These data provide further support for testing cell-based therapies for Alport syndrome.
Collapse
Affiliation(s)
- Valerie LeBleu
- Division of Matrix Biology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA 02215, USA
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
25
|
Baek KH, Zaslavsky A, Lynch RC, Britt C, Okada Y, Siarey RJ, Lensch MW, Park IH, Yoon SS, Minami T, Korenberg JR, Folkman J, Daley GQ, Aird WC, Galdzicki Z, Ryeom S. Down's syndrome suppression of tumour growth and the role of the calcineurin inhibitor DSCR1. Nature 2009; 459:1126-30. [PMID: 19458618 PMCID: PMC2724004 DOI: 10.1038/nature08062] [Citation(s) in RCA: 265] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2009] [Accepted: 04/16/2009] [Indexed: 12/24/2022]
Abstract
The incidence of many cancer types is significantly reduced in individuals with Down's syndrome, and it is thought that this broad cancer protection is conferred by the increased expression of one or more of the 231 supernumerary genes on the extra copy of chromosome 21. One such gene is Down's syndrome candidate region-1 (DSCR1, also known as RCAN1), which encodes a protein that suppresses vascular endothelial growth factor (VEGF)-mediated angiogenic signalling by the calcineurin pathway. Here we show that DSCR1 is increased in Down's syndrome tissues and in a mouse model of Down's syndrome. Furthermore, we show that the modest increase in expression afforded by a single extra transgenic copy of Dscr1 is sufficient to confer significant suppression of tumour growth in mice, and that such resistance is a consequence of a deficit in tumour angiogenesis arising from suppression of the calcineurin pathway. We also provide evidence that attenuation of calcineurin activity by DSCR1, together with another chromosome 21 gene Dyrk1a, may be sufficient to markedly diminish angiogenesis. These data provide a mechanism for the reduced cancer incidence in Down's syndrome and identify the calcineurin signalling pathway, and its regulators DSCR1 and DYRK1A, as potential therapeutic targets in cancers arising in all individuals.
Collapse
Affiliation(s)
- Kwan-Hyuck Baek
- Vascular Biology Program, Department of Surgery, Children's Hospital Boston, Massachusetts 02115, USA
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
26
|
Naumov GN, Nilsson MB, Cascone T, Briggs A, Straume O, Akslen LA, Lifshits E, Byers LA, Xu L, Wu HK, Jänne P, Kobayashi S, Halmos B, Tenen D, Tang XM, Engelman J, Yeap B, Folkman J, Johnson BE, Heymach JV. Combined vascular endothelial growth factor receptor and epidermal growth factor receptor (EGFR) blockade inhibits tumor growth in xenograft models of EGFR inhibitor resistance. Clin Cancer Res 2009; 15:3484-94. [PMID: 19447865 DOI: 10.1158/1078-0432.ccr-08-2904] [Citation(s) in RCA: 248] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
PURPOSE The epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKI) gefitinib and erlotinib benefit some non-small cell lung cancer (NSCLC) patients, but most do not respond (primary resistance) and those who initially respond eventually progress (acquired resistance). EGFR TKI resistance is not completely understood and has been associated with certain EGFR and K-RAS mutations and MET amplification. EXPERIMENTAL DESIGN We hypothesized that dual inhibition of the vascular endothelial growth factor (VEGF) and EGFR pathways may overcome primary and acquired resistance. We investigated the VEGF receptor/EGFR TKI vandetanib, and the combination of bevacizumab and erlotinib in vivo using xenograft models of EGFR TKI sensitivity, primary resistance, and three models of acquired resistance, including models with mutated K-RAS and secondary EGFR T790M mutation. RESULTS Vandetanib, gefitinib, and erlotinib had similar profiles of in vitro activity and caused sustained tumor regressions in vivo in the sensitive HCC827 model. In all four resistant models, vandetanib and bevacizumab/erlotinib were significantly more effective than erlotinib or gefitinib alone. Erlotinib resistance was associated with a rise in both host and tumor-derived VEGF but not EGFR secondary mutations in the KRAS mutant-bearing A549 xenografts. Dual inhibition reduced tumor endothelial proliferation compared with VEGF or EGFR blockade alone, suggesting that the enhanced activity of dual inhibition is due at least in part to antiendothelial effects. CONCLUSION These studies suggest that erlotinib resistance may be associated with a rise in both tumor cell and host stromal VEGF and that combined blockade of the VEGFR and EGFR pathways can abrogate primary or acquired resistance to EGFR TKIs. This approach merits further evaluation in NSCLC patients.
Collapse
Affiliation(s)
- George N Naumov
- Children's Hospital, Division of Hematology/Oncology, Beth Israel Deaconess Medical Center, Harvard Medical School, and Massachusetts General Hospital Cancer Center, Boston, MA, USA
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
27
|
Madsen JR, Shim JW, Abazi G, Fleming L, Fernholz B, Connors S, Folkman J. VEGF-A is elevated in CSF of pediatric patients undergoing surgery for hydrocephalus. Cerebrospinal Fluid Res 2009. [DOI: 10.1186/1743-8454-6-s1-s13] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
|
28
|
Almog N, Ma L, Raychowdhury R, Schwager C, Erber R, Short S, Hlatky L, Vajkoczy P, Huber PE, Folkman J, Abdollahi A. Transcriptional Switch of Dormant Tumors to Fast-Growing Angiogenic Phenotype. Cancer Res 2009; 69:836-44. [DOI: 10.1158/0008-5472.can-08-2590] [Citation(s) in RCA: 203] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
29
|
Adini A, Fainaru O, Udagawa T, Connor KM, Folkman J, D'Amato RJ. Matrigel cytometry: a novel method for quantifying angiogenesis in vivo. J Immunol Methods 2008; 342:78-81. [PMID: 19109967 DOI: 10.1016/j.jim.2008.11.016] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2008] [Revised: 11/24/2008] [Accepted: 11/25/2008] [Indexed: 11/26/2022]
Abstract
Many of the current in vivo methods to evaluate angiogenesis are poorly quantifiable. Recently, the Matrigel plug assay has become the method of choice in many studies involving in vivo testing for angiogenesis. When known angiogenic factors are mixed with Matrigel and injected subcutaneously into mice, endothelial cells migrate into the gel plug. These endothelial cells form vessel-like structures, a process that mimics the formation of capillary networks. Here, we present a modification of the traditional Matrigel assay with improved method to quantify the amount of endothelial cells that incorporate into the plug. The removed plugs were subjected to a mild protease treatment, yielding intact cells. The liberated cells were then stained using an endothelial cell-specific markers, and counted by flow cytometry. This novel combination of FACS analysis with the traditional Matrigel assay improves the ability to quantify in vivo angiogenesis, and for the first time enables to determine the number of migrating and proliferating endothelial cells which reflects the angiogenesis rate.
Collapse
Affiliation(s)
- A Adini
- Vascular Biology Program, Department of Surgery, Children's Hospital, and the Department of Ophthalmology, both at Harvard Medical School, Boston, Massachusetts, USA.
| | | | | | | | | | | |
Collapse
|
30
|
Abstract
Tumor progression is dependent on a number of sequential steps, including initial tumor-vascular interactions and recruitment of blood vessels (i.e., the angiogenic switch), as well as tumor cells interacting with the surrounding microenvironment and its different components. Failure of a microscopic tumor to complete one or more of these early stages may lead to delayed clinical manifestation of the cancer and a state of stable non-progressing disease (i.e., tumor dormancy). In this review, some of the clinical and experimental evidence is summarized, suggesting that microscopic human cancers, either primary, recurrent or metastatic, can remain in an asymptomatic, non-detectable, and occult state for a long period of time. We also review current experimental human tumor dormancy models which closely recapitulate clinically observed delay in tumor progress.
Collapse
Affiliation(s)
- George N Naumov
- Department of Surgery, Harvard Medical School; and Vascular Biology Program, Children's Hospital Boston, Boston, MA, USA.
| | | | | | | |
Collapse
|
31
|
Fainaru O, Hornstein MD, Folkman J. Doxycycline inhibits vascular leakage and prevents ovarian hyperstimulation syndrome in a murine model. Fertil Steril 2008; 92:1701-5. [PMID: 18937946 DOI: 10.1016/j.fertnstert.2008.08.129] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2008] [Revised: 08/25/2008] [Accepted: 08/26/2008] [Indexed: 10/21/2022]
Abstract
OBJECTIVE To determine whether doxycycline would inhibit the development of ovarian hyperstimulation syndrome (OHSS) in a murine model. DESIGN Testing the effect of oral doxycycline treatment on gonadotropin-induced peritoneal capillary leakage in mice. SETTING Animal research facility. ANIMAL(S) Four-week-old female C57Bl/6 mice. INTERVENTION(S) Ovarian hyperstimulation syndrome was induced in mice by administering gonadotropins for 3 days followed by human chorionic gonadotropin. Peritoneal vascular leakage was quantified using the Miles vascular permeability assay. Mice were treated with daily oral doxycycline or vehicle. MAIN OUTCOME MEASURE(S) The concentration of dye in abdominal fluid extracted by peritoneal lavage was measured spectrophotometrically. Ascites volume was determined using dye dilution. RESULT(S) Doxycycline inhibited peritoneal vascular leakage and ascites accumulation in the hormonally stimulated mice. Doxycycline treatment did not inhibit ovarian stimulation or ovulation when compared with controls, as indicated by similar ovarian morphology, ovarian weights, and corpora lutea counts. Importantly, vessel density within the corpora lutea was similar in the two groups. CONCLUSION(S) Doxycycline prevents OHSS in a murine model without compromising ovarian stimulation. This effect is caused by inhibition of vascular leakage. Doxycycline's potential in preventing human OHSS is promising and warrants further studies.
Collapse
Affiliation(s)
- Ofer Fainaru
- Department of Surgery, Vascular Biology Program, Children's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA.
| | | | | |
Collapse
|
32
|
Fainaru O, Adini I, Benny O, Bazinet L, Pravda E, D'Amato R, Folkman J. Doxycycline induces membrane expression of VE-cadherin on endothelial cells and prevents vascular hyperpermeability. FASEB J 2008; 22:3728-35. [PMID: 18606869 DOI: 10.1096/fj.08-110494] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The endothelium lining blood vessels serves as a barrier against vascular hyperpermeability, and its maintenance is critical to organ health. Inflammatory mediators evoke tissue edema by disrupting the expression of membrane junctional proteins, which mediate binding between endothelial cell membranes. Endothelial cell-cell junctions form a diffusion barrier between the intravascular and interstitial space. To prevent the morbidity and mortality caused by exaggerated vascular permeability associated with pathological states (e.g., inflammatory and hypersensitivity disorders, pulmonary edema, traumatic lung injury, cerebral edema resulting from stroke, and others), it is important to develop therapeutic approaches to stabilize these interendothelial junctions. Vascular endothelial growth factor (VEGF), a potent proangiogenic cytokine, was first described as vascular permeability factor (VPF). Doxycycline, a tetracycline derivative, has been shown to inhibit angiogenesis in both humans and animal models. We now report that oral doxycycline prevents VPF/VEGF-induced vascular permeability, interleukin-2-induced pulmonary edema, and delayed-type hypersensitivity (DTH) in mice. Remarkably, doxycycline also inhibits tumor growth and tumor-associated vascular hyperpermeability. Finally, we show that doxycycline targets the adherens junction in vascular endothelial cells by inducing the total amount of VE-cadherin expression while decreasing the degree of its phosphorylation. The potential of doxycyline as a therapeutic inhibitor of vascular hyperpermeability in human clinical conditions is promising and warrants further studies.
Collapse
Affiliation(s)
- Ofer Fainaru
- Vascular Biology Program, Children's Hospital Boston, Department of Surgery, Harvard Medical School, 300 Longwood Ave., Boston, MA 02115, USA.
| | | | | | | | | | | | | |
Collapse
|
33
|
Benny O, Fainaru O, Adini A, Cassiola F, Bazinet L, Adini I, Pravda E, Nahmias Y, Koirala S, Corfas G, D'Amato RJ, Folkman J. An orally delivered small-molecule formulation with antiangiogenic and anticancer activity. Nat Biotechnol 2008; 26:799-807. [PMID: 18587385 PMCID: PMC2803109 DOI: 10.1038/nbt1415] [Citation(s) in RCA: 142] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2008] [Accepted: 06/03/2008] [Indexed: 01/15/2023]
Abstract
Targeting angiogenesis, the formation of blood vessels, is an important modality for cancer therapy. TNP-470, a fumagillin analog, is among the most potent and broad-spectrum angiogenesis inhibitors. However, a major clinical limitation is its poor oral availability and short half-life, necessitating frequent, continuous parenteral administration. We have addressed these issues and report an oral formulation of TNP-470, named Lodamin. TNP-470 was conjugated to monomethoxy-polyethylene glycol-polylactic acid to form nanopolymeric micelles. This conjugate can be absorbed by the intestine and selectively accumulates in tumors. Lodamin significantly inhibits tumor growth, without causing neurological impairment in tumor-bearing mice. Using the oral route of administration, it first reaches the liver, making it especially efficient in preventing the development of liver metastasis in mice. We show that Lodamin is an oral nontoxic antiangiogenic drug that can be chronically administered for cancer therapy or metastasis prevention.
Collapse
Affiliation(s)
- Ofra Benny
- Vascular Biology Program and Department of Surgery, Children's Hospital Boston, Harvard Medical School, 1 Blackfan Circle, St. Karp Research Building, Boston, Massachusetts 02215, USA.
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
34
|
Szentirmai O, Baker CH, Bullain SS, Lin N, Takahashi M, Folkman J, Mulligan RC, Carter BS. Successful inhibition of intracranial human glioblastoma multiforme xenograft growth via systemic adenoviral delivery of soluble endostatin and soluble vascular endothelial growth factor receptor-2: laboratory investigation. J Neurosurg 2008; 108:979-88. [PMID: 18447716 DOI: 10.3171/jns/2008/108/5/0979] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
OBJECT Glioblastoma multiforme (GBM) is characterized by neovascularization, raising the question of whether angiogenic blockade may be a useful therapeutic strategy for this disease. It has been suggested, however, that, to be useful, angiogenic blockade must be persistent and at levels sufficient to overcome proangiogenic signals from tumor cells. In this report, the authors tested the hypothesis that sustained high concentrations of 2 different antiangiogenic proteins, delivered using a systemic gene therapy strategy, could inhibit the growth of established intracranial U87 human GBM xenografts in nude mice. METHODS Mice harboring established U87 intracranial tumors received intravenous injections of adenoviral vectors encoding either the extracellular domain of vascular endothelial growth factor receptor-2-Fc fusion protein (Ad-VEGFR2-Fc) alone, soluble endostatin (Ad-ES) alone, a combination of Ad-VEGFR2-Fc and Ad-ES, or immunoglobulin 1-Fc (Ad-Fc) as a control. RESULTS Three weeks after treatment, magnetic resonance imaging-based determination of tumor volume showed that treatment with Ad-VEGFR2-Fc, Ad-ES, or Ad-VEGFR2-Fc in combination with Ad-ES, produced 69, 59, and 74% growth inhibition, respectively. Bioluminescent monitoring of tumor growth revealed growth inhibition in the same treatment groups to be 62, 74, and 72%, respectively. Staining with proliferating cell nuclear antigen and with terminal deoxynucleotidyl transferase-mediated deoxyuridine triphosphate nick-end labeling showed reduced tumor cell proliferation and increased apoptosis in all antiangiogenic treatment groups. CONCLUSIONS These results suggest that systemic delivery and sustained production of endostatin and soluble VEGFR2 can slow intracranial glial tumor growth by both reducing cell proliferation and increasing tumor apoptosis. This work adds further support to the concept of using antiangiogenesis therapy for intracranial GBM.
Collapse
Affiliation(s)
- Oszkar Szentirmai
- Department of Genetics, Harvard Institutes of Medicine and Harvard Medical School, and Department of Pediatrics, Children's Hospital, Boston, MA, USA
| | | | | | | | | | | | | | | |
Collapse
|
35
|
Naumov GN, Folkman J, Straume O. Tumor dormancy due to failure of angiogenesis: role of the microenvironment. Clin Exp Metastasis 2008; 26:51-60. [DOI: 10.1007/s10585-008-9176-0] [Citation(s) in RCA: 89] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2008] [Accepted: 04/26/2008] [Indexed: 12/12/2022]
|
36
|
Abstract
OBJECTIVE To evaluate whether rosiglitazone maleate, an oral peroxisome-proliferating activated receptor gamma agonist and oral insulin sensitizing agent with potential antiangiogenic activity, delays onset of proliferative diabetic retinopathy (PDR). METHODS Longitudinal medical record review of all patients treated with rosiglitazone receiving both medical and ophthalmic care at the Joslin Diabetes Center from May 1, 2002, to May 31, 2003 (N = 124), and matched control patients not taking a glitazone drug (N = 158). The mean duration of follow-up was 2.8 years (range, 0.3-9.0 years). RESULTS Baseline characteristics and final hemoglobin A(1c) values (7.6% and 7.8%, respectively) were similar in the rosiglitazone and control groups (P = .10). In eyes with severe nonproliferative diabetic retinopathy at baseline (rosiglitazone group, 14 eyes; control group, 24 eyes), progression to PDR over 3 years occurred in 19.2% in the rosiglitazone group and 47.4% in the control group, representing a 59% relative risk reduction (Wilcoxon, P = .045; log-rank, P = .059). Fewer eyes in the rosiglitazone group experienced 3 or more lines of visual acuity loss (P = .03). The incidence of diabetic macular edema was similar in both groups. CONCLUSIONS Rosiglitazone may delay the onset of PDR, possibly because of its antiangiogenic activity. Future clinical investigations should consider analysis of this potential benefit along with ongoing evaluation of potential cardiac risk in studies where the risk-benefit profiles are deemed appropriate.
Collapse
|
37
|
Abstract
A series of experiments is described in which: (i) mast cells were found to accumulate at a tumour site before the ingrowth of new capillaries; (ii) heparin released by mast cells increased the migration of capillary endothelial cells in vitro; and (iii) heparin enhanced tumour angiogenesis in vivo. These experiments led to the discovery that protamine and platelet factor 4 are angiogenesis inhibitors. This finding suggests a central role for heparin or related glycosaminoglycans in the growth regulation of capillary blood vessels.
Collapse
|
38
|
Abstract
Detailed studies of the effect of 32 days of intravenous alimentation on the metabolic, hormonal and clinical status of a 4-year-old boy with Type I glycogenosis revealed that the biochemical abnormalities and growth failure in this disorder are a consequence of glucose lack after brief periods of fasting which results from the inborn enzyme deficiency. Long-term (1.5-5.7 years) observations of the therapeutic effects of portacaval shunt without and with continuous overnight intragastic glucose by gastrostomy in two brothers, and of continuous overnight intragastric glucose alone in five other patients with this disorder, on metabolic status and physical growth and development suggest that adequate glucose can be provided by the intragastric route without hepatic portal circulatory by-pass. The introduction of this therapy in the first year of life should prevent the serious risk to life and long-term failure in growth and development previously observed in patients with Types I and III glycogenosis.
Collapse
|
39
|
Abstract
The pathogenesis of infantile hemangioma is unknown. In recent years, much of the focus has been placed at identifying the cell type(s) responsible for tumor initiation. New discoveries in infantile hemangioma suggest an involvement of progenitor cells in the pathogenesis of this vascular tumor. Both embryonic and extra-embryonic tissues have been postulated as potential sources for these progenitor cells. This review focuses on the placental theory, which proposes that a fetal placental progenitor is the cell type of origin for infantile hemangioma. Special emphasis will be placed on placental vasculogenesis and the presence and transit of placental progenitor cells during gestation.
Collapse
Affiliation(s)
- Carmen M Barnés
- Vascular Biology Program and Department of Surgery, Children's Hospital and Harvard Medical School, Boston, MA 02115, USA.
| | | | | |
Collapse
|
40
|
Kanasaki K, Palmsten K, Sugimoto H, Ahmad S, Hamano Y, Xie L, Parry S, Augustin HG, Gattone VH, Folkman J, Strauss JF, Kalluri R. Deficiency in catechol-O-methyltransferase and 2-methoxyoestradiol is associated with pre-eclampsia. Nature 2008; 453:1117-21. [PMID: 18469803 DOI: 10.1038/nature06951] [Citation(s) in RCA: 277] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2007] [Accepted: 03/31/2008] [Indexed: 01/08/2023]
|
41
|
Nakai K, Fainaru O, Bazinet L, Pakneshan P, Benny O, Pravda E, Folkman J, D'Amato RJ. Dendritic cells augment choroidal neovascularization. Invest Ophthalmol Vis Sci 2008; 49:3666-70. [PMID: 18408184 DOI: 10.1167/iovs.07-1640] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
PURPOSE Dendritic cells (DCs) are innate immune cells that have recently been shown to support angiogenesis in tumors, endometriosis, and lymph nodes. A major cause of legal blindness is wet age-related macular degeneration (wet ARMD), wherein abnormal blood vessels grow under the retina, an abnormality also referred to as choroidal neovascularization (CNV). The purpose of the present study was to investigate the role of DCs in the development of CNV. METHODS Laser photocoagulation was used to induce CNV in C57BL/6J mice. The authors analyzed CNV lesions for the presence of DCs using flow cytometry and immunostaining at designated times. They also analyzed the effects of intravenous DC transplantation on CNV development by measuring the lesion area using confocal microscopy 1 week after laser injury. RESULTS The authors analyzed CNV lesions for the presence of DCs by flow cytometry and observed that CD11c(+) major histocompatibility complex (MHC) class II(+) DCs transiently infiltrated the CNV lesions, reaching a peak at 2 to 4 days after laser injury. These DCs were mostly immature (CD11c(+) MHCII(low)) and expressed vascular endothelial growth factor receptor 2. Immunostaining of laser-induced CNV lesions confirmed that DCs are located at the sites of newly formed blood vessels. Intravenously injected DCs incorporated into the CNV lesions. However, only immature DCs enhanced CNV size. CONCLUSIONS These results suggest a role for DCs in promoting angiogenesis and lesion growth in laser-induced CNV. The present data suggest that DCs may represent potential cellular targets for therapeutic intervention in wet ARMD.
Collapse
Affiliation(s)
- Kei Nakai
- Department of Surgery, Vascular Biology Program, Children's Hospital Boston, Boston, Massachusetts 02115, USA
| | | | | | | | | | | | | | | |
Collapse
|
42
|
Kesari S, Schiff D, Henson JW, Muzikansky A, Gigas DC, Doherty L, Batchelor TT, Longtine JA, Ligon KL, Weaver S, Laforme A, Ramakrishna N, Black PM, Drappatz J, Ciampa A, Folkman J, Kieran M, Wen PY. Phase II study of temozolomide, thalidomide, and celecoxib for newly diagnosed glioblastoma in adults. Neuro Oncol 2008; 10:300-8. [PMID: 18403492 DOI: 10.1215/15228517-2008-005] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
We conducted a phase II study of the combination of temozolomide and angiogenesis inhibitors for treating adult patients with newly diagnosed glioblastoma. Patients who had stable disease following standard radiation therapy received temozolomide for 5 days in 28-day cycles, in combination with daily thalidomide and celecoxib. Patients were treated until tumor progression or development of unacceptable toxicity. Four-month progression-free survival (PFS) from study enrollment was the primary end point, and overall survival (OS) was the secondary end point. In addition, we sought to correlate response with O(6)-methylguanine-DNA methyltransferase promoter methylation status and serum levels of angiogenic peptides. Fifty patients with glioblastoma were enrolled (18 women, 32 men). Median age was 54 years (range, 29-78) and median KPS score was 90 (range, 70-100). From study enrollment, median PFS was 5.9 months (95% confidence interval [CI]: 4.2-8.0) and 4-month PFS was 63% (95% CI: 46%-75%). Median OS was 12.6 months (95% CI: 8.5-16.4) and 1-year OS was 47%. Of the 47 patients evaluable for best response, none had a complete response, five (11%) had partial response, four (9%) had minor response, 22 (47%) had stable disease, and 16 (34%) had progressive disease. Analysis of serial serum samples obtained from 47 patients for four angiogenic peptides failed to show a significant correlation with response or survival for three of the peptides; higher vascular endothelial growth factor levels showed a trend toward correlation with decreased OS (p=0.07) and PFS (p=0.09). The addition of celecoxib and thalidomide to adjuvant temozolomide was well tolerated but did not meet the primary end point of improvement of 4-month PFS from study enrollment.
Collapse
Affiliation(s)
- Santosh Kesari
- Dana-Farber/Brigham and Women's Cancer Center, Center for Neuro-Oncology, 44 Binney St., SW430D, Boston, MA 02115, USA
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
43
|
Lee TY, Tjin Tham Sjin RM, Movahedi S, Ahmed B, Pravda EA, Lo KM, Gillies SD, Folkman J, Javaherian K. Linking Antibody Fc Domain to Endostatin Significantly Improves Endostatin Half-life and Efficacy. Clin Cancer Res 2008; 14:1487-93. [DOI: 10.1158/1078-0432.ccr-07-1530] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
44
|
Folkman J, Zaslavsky A, Baek KH, Chen C, Ryeom S. Anatomical Differences in Response to Angiogenesis. FASEB J 2008. [DOI: 10.1096/fasebj.22.1_supplement.92.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | | | | | - Catherine Chen
- Department of SurgeryHarvard Medical School and Children's HospitalBostonMA
| | | |
Collapse
|
45
|
Beaudry P, Nilsson M, Rioth M, Prox D, Poon D, Xu L, Zweidler-Mckay P, Ryan A, Folkman J, Ryeom S, Heymach J. Potent antitumor effects of ZD6474 on neuroblastoma via dual targeting of tumor cells and tumor endothelium. Mol Cancer Ther 2008; 7:418-24. [PMID: 18245671 DOI: 10.1158/1535-7163.mct-07-0568] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Among children with relapsed or refractory neuroblastoma, the prognosis is poor and novel therapeutic strategies are needed to improve long-term survival. As with other solid tumors, high vascular density within neuroblastoma is associated with advanced disease, and therapeutic regimens directed against the tumor vasculature may provide clinical benefit. The receptor tyrosine kinase RET is widely expressed in neuroblastoma and is known to activate key signal transduction pathways involved in tumor cell survival and progression including Ras/mitogen-activated protein kinase and phosphatidylinositol 3-kinase/Akt. We investigated the effect of dual targeting of tumor cells and tumor endothelium with ZD6474, a small-molecule tyrosine kinase inhibitor of vascular endothelial growth factor (VEGF) receptor 2, epidermal growth factor receptor, and RET. ZD6474 inhibited the phosphorylation of RET in neuroblastoma cells and had a direct effect on tumor cell viability in seven neuroblastoma cell lines. In a human neuroblastoma xenograft model, ZD6474 inhibited tumor growth by 85% compared with treatment with vehicle alone. In contrast, no significant inhibition of tumor growth was observed after treatment with bevacizumab, an antihuman VEGF monoclonal antibody, or the epidermal growth factor receptor inhibitor erlotinib, either alone or in combination. Immunohistochemical analysis showed that ZD6474 treatment led to an increase in endothelial cell apoptosis along with inhibition of VEGF receptor-2 activation on tumor endothelium. In conclusion, dual targeting of tumor cells, potentially through RET inhibition, and tumor vasculature with ZD6474 leads to potent antitumor effects. This approach merits further investigation for patients with neuroblastoma.
Collapse
Affiliation(s)
- Paul Beaudry
- Department of Vascular Biology, Boston Children's Hospital, Boston, Massachusetts, USA.
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
46
|
Becker CM, Rohwer N, Funakoshi T, Cramer T, Bernhardt W, Birsner A, Folkman J, D'Amato RJ. 2-methoxyestradiol inhibits hypoxia-inducible factor-1{alpha} and suppresses growth of lesions in a mouse model of endometriosis. Am J Pathol 2008; 172:534-44. [PMID: 18202195 DOI: 10.2353/ajpath.2008.061244] [Citation(s) in RCA: 116] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Endometriosis, the presence of ectopic endometrial tissue outside the uterine cavity, is a common disease affecting women during their reproductive years. Current therapeutic success is often unsatisfactory because of limited insight into disease mechanisms. Nevertheless, angiogenesis plays an essential role in the pathogenesis of the disease, making it a potential novel target for therapy. In the current study, we demonstrate in an established mouse model of endometriosis that transient hypoxia in transplanted endometriosis-like lesions results in the up-regulation of hypoxia-inducible factor-1alpha (HIF-1alpha), leading to the expression of vascular endothelial growth factor (VEGF), a key player in endometriosis-associated angiogenesis. Systemic treatment with the angiogenesis inhibitor 2-methoxyestradiol suppressed HIF-1alpha expression in vivo, resulting in a decreased downstream expression of HIF-1alpha target genes, such as for VEGF, phosphoglycerate kinase, and glucose transporter-1. 2-Methoxyestradiol also suppressed VEGF-induced vascular permeability, as demonstrated in a modified Miles assay. Finally, systemic treatment with 2-methoxyestradiol significantly inhibited the growth of endometriosis-like lesions in a dose-dependent manner. In conclusion, hypoxia appears to play an important role in the pathogenesis of endometriosis and endometriosis-associated angiogenesis, and the angiogenesis inhibitor 2-methoxyestradiol may be a potential candidate for systemic treatment in the future.
Collapse
Affiliation(s)
- Christian M Becker
- Nuffield Department of Obstetrics and Gynaecology, John Radcliffe Hospital, Womens Centre Headington, University of Oxford, Oxford, OX3 9DU, UK.
| | | | | | | | | | | | | | | |
Collapse
|
47
|
|
48
|
Burdelya LG, Komarova EA, Hill JE, Browder T, Tararova ND, Mavrakis L, DiCorleto PE, Folkman J, Gudkov AV. Inhibition of p53 response in tumor stroma improves efficacy of anticancer treatment by increasing antiangiogenic effects of chemotherapy and radiotherapy in mice. Cancer Res 2007; 66:9356-61. [PMID: 17018587 DOI: 10.1158/0008-5472.can-06-1223] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Inactivation of p53 function, which frequently occurs in tumors, can significantly modulate tumor cell sensitivity to radiation and chemotherapeutic drugs. However, in addition to acting on malignant cells, anticancer agents act on the cells of tumor stroma, causing activation of a p53 response. The effect of this response on treatment outcome has been the subject of the present study. Tumors with p53-deficient stroma were generated using mouse tumorigenic packaging cells that produce a p53 inhibitory retrovirus, encoding a dominant-negative p53 mutant. Tumors maintaining wild-type p53 in their stroma were formed by cells of similar origin but deficient in retroviral production due to the deletion of the packaging signal in the retroviral vector. Comparison of these tumor models, differing only in p53 status of their stromas, showed that tumors with p53-deficient stroma were significantly more sensitive to experimental chemotherapy and radiotherapy. A similar effect was achieved when anticancer treatment was combined with pharmacologic suppression of p53 by the cyclic form of pifithrin alpha, a small-molecule inhibitor of p53. Potentiation of the anticancer effect of chemotherapy and radiotherapy by p53 suppression in the tumor stroma is likely to be due to the increased sensitivity of p53-deficient endothelium to genotoxic stress as shown both in cell culture and in experimental tumors. Thus, reversible pharmacologic suppression of p53 may be a viable approach to improving anticancer treatment via an enhanced antiangiogenic effect of chemotherapy and radiotherapy.
Collapse
MESH Headings
- Angiogenesis Inhibitors/pharmacology
- Angiogenesis Inhibitors/therapeutic use
- Animals
- Antineoplastic Agents, Alkylating/pharmacology
- Antineoplastic Agents, Alkylating/therapeutic use
- Benzothiazoles/pharmacology
- Benzothiazoles/therapeutic use
- Benzothiazoles/toxicity
- Carcinoma, Lewis Lung/drug therapy
- Carcinoma, Lewis Lung/radiotherapy
- Carcinoma, Lewis Lung/therapy
- Cell Line, Transformed
- Cyclophosphamide/pharmacology
- Cyclophosphamide/therapeutic use
- Drug Resistance, Neoplasm/drug effects
- Drug Screening Assays, Antitumor
- Endothelial Cells/radiation effects
- Fibroblasts
- Imidazoles/pharmacology
- Imidazoles/therapeutic use
- Imidazoles/toxicity
- Mice
- Mice, Inbred C57BL
- NIH 3T3 Cells
- Protein Conformation
- Radiation-Sensitizing Agents/pharmacology
- Radiation-Sensitizing Agents/therapeutic use
- Radiation-Sensitizing Agents/toxicity
- Rats
- Stromal Cells/drug effects
- Stromal Cells/radiation effects
- Thiazoles/pharmacology
- Thiazoles/therapeutic use
- Thiazoles/toxicity
- Toluene/analogs & derivatives
- Toluene/pharmacology
- Toluene/therapeutic use
- Toluene/toxicity
- Transduction, Genetic
- Tumor Suppressor Protein p53/antagonists & inhibitors
- Tumor Suppressor Protein p53/chemistry
- Tumor Suppressor Protein p53/genetics
Collapse
Affiliation(s)
- Lyudmila G Burdelya
- Department of Molecular Genetics, Lerner Research Institute, The Cleveland Clinic Foundation, Cleveland, OH 44195, USA
| | | | | | | | | | | | | | | | | |
Collapse
|
49
|
Chesler L, Goldenberg DD, Seales IT, Satchi-Fainaro R, Grimmer M, Collins R, Struett C, Nguyen KN, Kim G, Tihan T, Bao Y, Brekken RA, Bergers G, Folkman J, Weiss WA. Malignant progression and blockade of angiogenesis in a murine transgenic model of neuroblastoma. Cancer Res 2007; 67:9435-42. [PMID: 17909053 PMCID: PMC2921769 DOI: 10.1158/0008-5472.can-07-1316] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Targeted expression of MYCN to the neural crest [under control of the rat tyrosine hydroxylase (TH) promoter] causes neuroblastoma in transgenic mice (TH-MYCN) and is a well-established model for this disease. Because high levels of MYCN are associated with enhanced tumor angiogenesis and poor clinical outcome in neuroblastoma, we serially characterized malignant progression, angiogenesis, and sensitivity to angiogenic blockade in tumors from these animals. Tumor cells were proliferative, secreted high levels of the angiogenic ligand vascular endothelial growth factor (VEGF), and recruited a complex vasculature expressing the angiogenic markers VEGF-R2, alpha-SMA, and matrix metalloproteinases MMP-2 and MMP-9, all of which are also expressed in human disease. Treatment of established murine tumors with the angiogenesis inhibitor TNP-470 caused near-complete ablation, with reduced proliferation, enhanced apoptosis, and vasculature disruption. Because TNP-470 has been associated with neurotoxicity, we tested the recently described water-soluble HPMA copolymer-TNP-470 conjugate (caplostatin), which showed comparable efficacy and was well tolerated without weight loss or neurotoxicity as measured by rotarod testing. This study highlights the importance of angiogenesis inhibition in a spontaneous murine tumor with native tumor-microenvironment interactions, validates the use of mice transgenic for TH-MYCN as a model for therapy in this common pediatric tumor, and supports further clinical development of caplostatin as an antiangiogenic therapy in childhood neuroblastoma.
Collapse
Affiliation(s)
- Louis Chesler
- Department of Pediatrics, University of California-San Francisco Medical School, San Francisco, California
- Comprehensive Cancer Center, University of California-San Francisco Medical School, San Francisco, California
| | - David D. Goldenberg
- Department of Neurology, University of California-San Francisco Medical School, San Francisco, California
| | - Isha T. Seales
- Department of Neurology, University of California-San Francisco Medical School, San Francisco, California
| | - Ronit Satchi-Fainaro
- Department of Physiology and Pharmacology, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Matt Grimmer
- Department of Pediatrics, University of California-San Francisco Medical School, San Francisco, California
| | - Rodney Collins
- Department of Pathology, University of California-San Francisco Medical School, San Francisco, California
| | - Chris Struett
- Department of Neurology, University of California-San Francisco Medical School, San Francisco, California
| | - Kim N. Nguyen
- Department of Neurology, University of California-San Francisco Medical School, San Francisco, California
| | - Grace Kim
- Department of Pathology, University of California-San Francisco Medical School, San Francisco, California
| | - Tarik Tihan
- Department of Pathology, University of California-San Francisco Medical School, San Francisco, California
| | - Yun Bao
- Department of Neurology, University of California-San Francisco Medical School, San Francisco, California
| | - Rolf A. Brekken
- Departments of Surgery and Pharmacology, Hamon Center for Therapeutic Oncology Research, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Gabriele Bergers
- Department of Neurological Surgery, University of California-San Francisco Medical School, San Francisco, California
- Brain Tumor Research Center, University of California-San Francisco Medical School, San Francisco, California
- Comprehensive Cancer Center, University of California-San Francisco Medical School, San Francisco, California
| | - Judah Folkman
- Departments of Surgery and Cellular Biology, Harvard Medical School and Children’s Hospital, Boston, Massachusetts
| | - William A. Weiss
- Department of Pediatrics, University of California-San Francisco Medical School, San Francisco, California
- Department of Neurology, University of California-San Francisco Medical School, San Francisco, California
- Department of Neurological Surgery, University of California-San Francisco Medical School, San Francisco, California
- Brain Tumor Research Center, University of California-San Francisco Medical School, San Francisco, California
- Comprehensive Cancer Center, University of California-San Francisco Medical School, San Francisco, California
| |
Collapse
|
50
|
Cervi D, Yip TT, Bhattacharya N, Podust VN, Peterson J, Abou-Slaybi A, Naumov GN, Bender E, Almog N, Italiano JE, Folkman J, Klement GL. Platelet-associated PF-4 as a biomarker of early tumor growth. Blood 2007; 111:1201-7. [PMID: 17914028 DOI: 10.1182/blood-2007-04-084798] [Citation(s) in RCA: 112] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Early tumor detection and intervention are important determinants of survival in patients with cancer. We have recently reported that the "platelet angiogenesis proteome" may be used to detect microscopic tumors in mice. We now present evidence that changes in platelet-associated platelet factor-4 (PF-4) detect malignant growth across a spectrum of human cancers in mice. A deregulated expression of an 8206-Da protein was observed by surfaceenhanced laser desorption/ionization time-of-flight mass spectrometry (SELDI-ToF MS) proteomic comparison of platelets from normal and tumor-bearing mice. The differentially expressed protein was identified as PF-4 by tandem mass spectrometry and ProteinChip immunoassay using anti-PF-4 antibody. The platelet-associated PF-4 appeared to be up-regulated in early growth of human liposarcoma, mammary adenocarcinoma, and osteosarcoma. A 120-day follow-up study of liposarcoma revealed a sustained 2-fold or higher increase of platelet-associated PF-4 at 19, 30, and 120 days. In contrast, only an insignificant change of PF-4 was observed in the plasma of mice bearing the different human tumor xenografts, and throughout the 120 days of the liposarcoma study. We conclude that platelet-associated PF-4, but not its plasma counterpart, may represent a potential biomarker of early tumor presence.
Collapse
Affiliation(s)
- David Cervi
- Children's Hospital Boston, Karp Family Research Laboratories, Boston, MA 02115, USA
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|