101
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(Lymph)angiogenic influences on hematopoietic cells in acute myeloid leukemia. Exp Mol Med 2014; 46:e122. [PMID: 25412683 PMCID: PMC4262793 DOI: 10.1038/emm.2014.72] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2014] [Revised: 08/26/2014] [Accepted: 09/21/2014] [Indexed: 02/07/2023] Open
Abstract
The purpose of this review is to provide an overview of the effect of (lymph)angiogenic cytokines on hematopoietic cells involved in acute myeloid leukemia (AML). Like angiogenesis, lymphangiogenesis occurs in pathophysiological conditions but not in healthy adults. AML is closely associated with the vasculature system, and the interplay between lymphangiogenic cytokines maintains leukemic blast survival in the bone marrow (BM). Once AML is induced, proangiogenic cytokines function as angiogenic or lymphangiogenic factors and affect hematopoietic cells, including BM-derived immune cells. Simultaneously, the representative cytokines, VEGFs and their receptors are expressed on AML blasts in vascular and osteoblast niches in both the BM and the peripheral circulation. After exposure to (lymph)angiogenic cytokines in leukemogenesis and infiltration, immune cell phenotypes and functions are affected. These dynamic behaviors in the BM reflect the clinical features of AML. In this review, we note the importance of lymphangiogenic factors and their receptors in hematopoietic cells in AML. Understanding the functional characterization of (lymph)angiogenic factors in the BM niche in AML will also be helpful in interrupting the engraftment of leukemic stem cells and for enhancing immune cell function by modulating the tumor microenvironment.
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102
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Detektion der lymphovaskulären Invasion mit D2-40-Immunhistochemie beim Urothelkarzinom der Harnblase. Urologe A 2014; 54:70-5. [DOI: 10.1007/s00120-014-3646-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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103
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Evidence for SH2 domain-containing 5'-inositol phosphatase-2 (SHIP2) contributing to a lymphatic dysfunction. PLoS One 2014; 9:e112548. [PMID: 25383712 PMCID: PMC4226566 DOI: 10.1371/journal.pone.0112548] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Accepted: 10/07/2014] [Indexed: 12/31/2022] Open
Abstract
The lymphatic vasculature plays a critical role in a number of disease conditions of increasing prevalence, such as autoimmune disorders, obesity, blood vascular diseases, and cancer metastases. Yet, unlike the blood vasculature, the tools available to interrogate the molecular basis of lymphatic dysfunction/disease have been lacking. More recently, investigators have reported that dysregulation of the PI3K pathway is involved in syndromic human diseases that involve abnormal lymphatic vasculatures, but there have been few compelling results that show the direct association of this molecular pathway with lymphatic dysfunction in humans. Using near-infrared fluorescence lymphatic imaging (NIRFLI) to phenotype and next generation sequencing (NGS) for unbiased genetic discovery in a family with non-syndromic lymphatic disease, we discovered a rare, novel mutation in INPPL1 that encodes the protein SHIP2, which is a negative regulator of the PI3K pathway, to be associated with lymphatic dysfunction in the family. In vitro interrogation shows that SHIP2 is directly associated with impairment of normal lymphatic endothelial cell (LEC) behavior and that SHIP2 associates with receptors that are associated in lymphedema, implicating its direct involvement in the lymphatic vasculature.
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104
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Kim HS, Kim M, Jeong CW, Kwak C, Kim HH, Ku JH. Presence of lymphovascular invasion in urothelial bladder cancer specimens after transurethral resections correlates with risk of upstaging and survival: A systematic review and meta-analysis. Urol Oncol 2014; 32:1191-9. [PMID: 24954108 DOI: 10.1016/j.urolonc.2014.05.008] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2014] [Revised: 05/14/2014] [Accepted: 05/20/2014] [Indexed: 10/25/2022]
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105
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Kassis T, Skelton HM, Lu IM, Moorhead AR, Dixon JB. An integrated in vitro imaging platform for characterizing filarial parasite behavior within a multicellular microenvironment. PLoS Negl Trop Dis 2014; 8:e3305. [PMID: 25412444 PMCID: PMC4238983 DOI: 10.1371/journal.pntd.0003305] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Accepted: 09/30/2014] [Indexed: 12/18/2022] Open
Abstract
Lymphatic Filariasis, a Neglected Tropical Disease, is caused by thread-like parasitic worms, including B. malayi, which migrate to the human lymphatic system following transmission. The parasites reside in collecting lymphatic vessels and lymph nodes for years, often resulting in lymphedema, elephantiasis or hydrocele. The mechanisms driving worm migration and retention within the lymphatics are currently unknown. We have developed an integrated in vitro imaging platform capable of quantifying B. malayi migration and behavior in a multicellular microenvironment relevant to the initial site of worm injection by incorporating the worm in a Polydimethylsiloxane (PDMS) microchannel in the presence of human dermal lymphatic endothelial cells (LECs) and human dermal fibroblasts (HDFs). The platform utilizes a motorized controllable microscope with CO2 and temperature regulation to allow for worm tracking experiments with high resolution over large length and time scales. Using post-acquisition algorithms, we quantified four parameters: 1) speed, 2) thrashing intensity, 3) percentage of time spent in a given cell region and 4) persistence ratio. We demonstrated the utility of our system by quantifying these parameters for L3 B. malayi in the presence of LECs and HDFs. Speed and thrashing increased in the presence of both cell types and were altered within minutes upon exposure to the anthelmintic drug, tetramisole. The worms displayed no targeted migration towards either cell type for the time course of this study (3 hours). When cells were not present in the chamber, worm thrashing correlated directly with worm speed. However, this correlation was lost in the presence of cells. The described platform provides the ability to further study B. malayi migration and behavior.
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Affiliation(s)
- Timothy Kassis
- Parker H. Petit Institute for Bioengineering & Bioscience, Georgia Institute of Technology, Atlanta, Georgia, United States of America
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia, United States of America
| | - Henry M. Skelton
- Parker H. Petit Institute for Bioengineering & Bioscience, Georgia Institute of Technology, Atlanta, Georgia, United States of America
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, Georgia, United States of America
| | - Iris M. Lu
- Parker H. Petit Institute for Bioengineering & Bioscience, Georgia Institute of Technology, Atlanta, Georgia, United States of America
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia, United States of America
| | - Andrew R. Moorhead
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, Georgia, United States of America
| | - J. Brandon Dixon
- Parker H. Petit Institute for Bioengineering & Bioscience, Georgia Institute of Technology, Atlanta, Georgia, United States of America
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia, United States of America
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106
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Liu X, Pasula S, Song H, Tessneer KL, Dong Y, Hahn S, Yago T, Brophy ML, Chang B, Cai X, Wu H, McManus J, Ichise H, Georgescu C, Wren JD, Griffin C, Xia L, Srinivasan RS, Chen H. Temporal and spatial regulation of epsin abundance and VEGFR3 signaling are required for lymphatic valve formation and function. Sci Signal 2014; 7:ra97. [PMID: 25314967 DOI: 10.1126/scisignal.2005413] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Lymphatic valves prevent the backflow of the lymph fluid and ensure proper lymphatic drainage throughout the body. Local accumulation of lymphatic fluid in tissues, a condition called lymphedema, is common in individuals with malformed lymphatic valves. The vascular endothelial growth factor receptor 3 (VEGFR3) is required for the development of lymphatic vascular system. The abundance of VEGFR3 in collecting lymphatic trunks is high before valve formation and, except at valve regions, decreases after valve formation. We found that in mesenteric lymphatics, the abundance of epsin 1 and 2, which are ubiquitin-binding adaptor proteins involved in endocytosis, was low at early stages of development. After lymphatic valve formation, the initiation of steady shear flow was associated with an increase in the abundance of epsin 1 and 2 in collecting lymphatic trunks, but not in valve regions. Epsin 1 and 2 bound to VEGFR3 and mediated the internalization and degradation of VEGFR3, resulting in termination of VEGFR3 signaling. Mice with lymphatic endothelial cell-specific deficiency of epsin 1 and 2 had dilated lymphatic capillaries, abnormally high VEGFR3 abundance in collecting lymphatics, immature lymphatic valves, and defective lymph drainage. Deletion of a single Vegfr3 allele or pharmacological suppression of VEGFR3 signaling restored normal lymphatic valve development and lymph drainage in epsin-deficient mice. Our findings establish a critical role for epsins in the temporal and spatial regulation of VEGFR3 abundance and signaling in collecting lymphatic trunks during lymphatic valve formation.
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Affiliation(s)
- Xiaolei Liu
- Cardiovascular Biology Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA. Department of Biochemistry and Molecular Biology, University of Oklahoma Health Science Center, Oklahoma, OK 73104, USA
| | - Satish Pasula
- Cardiovascular Biology Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA
| | - Hoogeun Song
- Cardiovascular Biology Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA
| | - Kandice L Tessneer
- Cardiovascular Biology Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA
| | - Yunzhou Dong
- Cardiovascular Biology Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA
| | - Scott Hahn
- Cardiovascular Biology Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA
| | - Tadayuki Yago
- Cardiovascular Biology Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA
| | - Megan L Brophy
- Cardiovascular Biology Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA. Department of Biochemistry and Molecular Biology, University of Oklahoma Health Science Center, Oklahoma, OK 73104, USA
| | - Baojun Chang
- Cardiovascular Biology Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA
| | - Xiaofeng Cai
- Cardiovascular Biology Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA
| | - Hao Wu
- Cardiovascular Biology Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA
| | - John McManus
- Cardiovascular Biology Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA
| | - Hirotake Ichise
- Laboratory of Developmental Genetics, Center for Experimental Medicine and Systems Biology, Institute of Medical Science, University of Tokyo, Minato-ku, Tokyo 108-8639, Japan
| | - Constantin Georgescu
- Arthritis and Clinical Immunology Research Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA
| | - Jonathan D Wren
- Department of Biochemistry and Molecular Biology, University of Oklahoma Health Science Center, Oklahoma, OK 73104, USA. Arthritis and Clinical Immunology Research Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA
| | - Courtney Griffin
- Cardiovascular Biology Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA. Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma, OK 73126, USA
| | - Lijun Xia
- Cardiovascular Biology Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA. Department of Biochemistry and Molecular Biology, University of Oklahoma Health Science Center, Oklahoma, OK 73104, USA
| | - R Sathish Srinivasan
- Cardiovascular Biology Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA
| | - Hong Chen
- Cardiovascular Biology Program, Oklahoma Medical Research Foundation, Oklahoma, OK 73104, USA. Department of Biochemistry and Molecular Biology, University of Oklahoma Health Science Center, Oklahoma, OK 73104, USA.
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107
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Tumor necrosis factor alpha and interleukin-6 facilitate corneal lymphangiogenesis in response to herpes simplex virus 1 infection. J Virol 2014; 88:14451-7. [PMID: 25297992 DOI: 10.1128/jvi.01841-14] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
UNLABELLED Herpes simplex virus 1 (HSV-1) is a common human pathogen of clinical significance due to its association with vision impairment and encephalitis. In a mouse model of ocular neovascularization, we have previously shown that HSV-1 elicits the genesis of lymphatic vessels into the cornea proper through epithelial cell expression of vascular endothelial growth factor A (VEGFA) dependent upon expression of VEGFR2 during acute infection. We hypothesized that other factors may be involved in lymphangiogenesis, with proinflammatory cytokines as the leading candidates. In the absence of infection or inflammation, intrastromal administration of tumor necrosis factor alpha (TNF-α) coupled with VEGFA elicited lymphatic vessel genesis significantly above either factor alone as well as a vehicle control. Consistent with this observation, anti-TNF-α antibody (Ab) blocked HSV-1-mediated corneal lymphangiogenesis within the first 5 days postinfection. However, TNF-α-deficient (TNF-α(-/-)) mice displayed a level of corneal vessel growth similar to that shown by wild-type (WT) controls. To investigate the likely redundant nature of cytokines, PCR array analysis of HSV-1-infected TNF-α(-/-) mice was conducted, and it revealed several factors elevated above those found in HSV-1-infected WT mice, including interleukin-1β (IL-1β), platelet-derived growth factor, angiopoietin 2, insulin-like growth factor 2, and IL-6. Subconjunctival administration of neutralizing Ab to IL-6 blocked lymphangiogenesis in TNF-α(-/-) mice. Whereas the cornea levels of IL-6 were significantly reduced, there was no appreciable change in the level of IL-1β or other proangiogenic factors analyzed. Collectively, the results suggest in addition to VEGFA, TNF-α and IL-6 promote and likely synergize with VEGFA in corneal lymphangiogenesis during acute HSV-1 infection. IMPORTANCE We have identified at least two proinflammatory cytokines expressed locally that are involved in the genesis of lymphatic vessels in the normally avascular cornea in response to HSV-1 infection. This finding provides the basis to target IL-6 and TNF-α as additional proangiogenic factors in the cornea during the development of herpetic stromal keratitis as a means to alleviate further neovascularization and tissue pathology associated with the host immune response to the pathogen.
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108
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Osborn AJ, Dickie P, Neilson DE, Glaser K, Lynch KA, Gupta A, Dickie BH. Activating PIK3CA alleles and lymphangiogenic phenotype of lymphatic endothelial cells isolated from lymphatic malformations. Hum Mol Genet 2014; 24:926-38. [PMID: 25292196 DOI: 10.1093/hmg/ddu505] [Citation(s) in RCA: 108] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Lymphatic malformations (LMs) are developmental anomalies of the lymphatic system associated with the dysmorphogenesis of vascular channels lined by lymphatic endothelial cells (LECs). Seeking to identify intrinsic defects in affected LECs, cells were isolated from malformation tissue or fluid on the basis of CD31 and podoplanin (PDPN) expression. LECs from five unrelated LM lesions were characterized, including cells derived from one patient previously diagnosed with CLOVES. CLOVES-related LECs carried a known, activating mutation in PIK3CA (p.H1047L), confirmed by direct sequencing. Activating PIK3CA mutations (p.E542K and p.E545A) were identified in lesion-derived cells from the other four patients, also by direct sequencing. The five LM-LEC cultures shared a lymphangiogenic phenotype distinguished by PI3K/AKT activation, enhanced sprouting efficiency, elevated VEGF-C expression and COX2 expression, shorter doubling times and reduced expression of angiopoietin 2 and CXCR4. Nine additional LM-LEC populations and 12 of 15 archived LM tissue samples were shown to bear common PIK3CA variants by allele-specific PCR. The activation of a central growth/survival pathway (PI3K/AKT) represents a feasible target for the non-invasive treatment of LMs bearing in mind that background genetics may individualize lesions and influence treatments.
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Affiliation(s)
- Alexander J Osborn
- Hemangioma and Vascular Malformation Center, Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital and Medical Center, MLC 2023, 3333 Burnet Avenue, Cincinnati, OH 45229-3039, USA, Division of Otolaryngology, Head and Neck Surgery, Cincinnati Children's Hospital and Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45229-3039, USA
| | - Peter Dickie
- Hemangioma and Vascular Malformation Center, Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital and Medical Center, MLC 2023, 3333 Burnet Avenue, Cincinnati, OH 45229-3039, USA
| | - Derek E Neilson
- Division of Human Genetics, Cincinnati Children's Hospital and Medical Center, MLC 4006, 3333 Burnet Avenue, Cincinnati, OH 45229-3039, USA and
| | - Kathryn Glaser
- Hemangioma and Vascular Malformation Center, Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital and Medical Center, MLC 2023, 3333 Burnet Avenue, Cincinnati, OH 45229-3039, USA
| | - Kaari A Lynch
- Hemangioma and Vascular Malformation Center, Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital and Medical Center, MLC 2023, 3333 Burnet Avenue, Cincinnati, OH 45229-3039, USA
| | - Anita Gupta
- Department of Pathology, Cincinnati Children's Hospital and Medical Center, MLC 1035, 3333 Burnet Avenue, Cincinnati, OH 45229-3039, USA
| | - Belinda Hsi Dickie
- Hemangioma and Vascular Malformation Center, Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital and Medical Center, MLC 2023, 3333 Burnet Avenue, Cincinnati, OH 45229-3039, USA,
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109
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Ostrowski MA, Huang NF, Walker TW, Verwijlen T, Poplawski C, Khoo AS, Cooke JP, Fuller GG, Dunn AR. Microvascular endothelial cells migrate upstream and align against the shear stress field created by impinging flow. Biophys J 2014; 106:366-74. [PMID: 24461011 DOI: 10.1016/j.bpj.2013.11.4502] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Revised: 08/27/2013] [Accepted: 11/26/2013] [Indexed: 11/30/2022] Open
Abstract
At present, little is known about how endothelial cells respond to spatial variations in fluid shear stress such as those that occur locally during embryonic development, at heart valve leaflets, and at sites of aneurysm formation. We built an impinging flow device that exposes endothelial cells to gradients of shear stress. Using this device, we investigated the response of microvascular endothelial cells to shear-stress gradients that ranged from 0 to a peak shear stress of 9-210 dyn/cm(2). We observe that at high confluency, these cells migrate against the direction of fluid flow and concentrate in the region of maximum wall shear stress, whereas low-density microvascular endothelial cells that lack cell-cell contacts migrate in the flow direction. In addition, the cells align parallel to the flow at low wall shear stresses but orient perpendicularly to the flow direction above a critical threshold in local wall shear stress. Our observations suggest that endothelial cells are exquisitely sensitive to both magnitude and spatial gradients in wall shear stress. The impinging flow device provides a, to our knowledge, novel means to study endothelial cell migration and polarization in response to gradients in physical forces such as wall shear stress.
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Affiliation(s)
| | - Ngan F Huang
- Center for Tissue Regeneration, Repair and Restoration, Veterans Affairs Palo Alto Health Care System, Palo Alto, California; Stanford Cardiovascular Institute, Stanford University, Stanford, Califiornia; Division of Cardiovascular Medicine, Stanford University, Stanford, California
| | - Travis W Walker
- Chemical Engineering, Stanford University, Stanford, California
| | - Tom Verwijlen
- Department of Chemical Engineering, KU Leuven, Belgium
| | | | - Amanda S Khoo
- Division of Cardiovascular Medicine, Stanford University, Stanford, California
| | - John P Cooke
- Stanford Cardiovascular Institute, Stanford University, Stanford, Califiornia; Division of Cardiovascular Medicine, Stanford University, Stanford, California
| | - Gerald G Fuller
- Chemical Engineering, Stanford University, Stanford, California.
| | - Alexander R Dunn
- Chemical Engineering, Stanford University, Stanford, California; Stanford Cardiovascular Institute, Stanford University, Stanford, Califiornia.
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110
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Liu D, Li L, Zhang XX, Wan DY, Xi BX, Hu Z, Ding WC, Zhu D, Wang XL, Wang W, Feng ZH, Wang H, Ma D, Gao QL. SIX1 promotes tumor lymphangiogenesis by coordinating TGFβ signals that increase expression of VEGF-C. Cancer Res 2014; 74:5597-607. [PMID: 25142796 DOI: 10.1158/0008-5472.can-13-3598] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Lymphatic vessels are one of the major routes for the dissemination of cancer cells. Malignant tumors release growth factors such as VEGF-C to induce lymphangiogenesis, thereby promoting lymph node metastasis. Here, we report that sine oculis homeobox homolog 1 (SIX1), expressed in tumor cells, can promote tumor lymphangiogenesis and lymph node metastasis by coordinating with TGFβ to increase the expression of VEGF-C. Lymphangiogenesis and lymph node metastasis in cervical cancer were closely correlated with higher expression of SIX1 in tumor cells. By enhancing VEGF-C expression in tumor cells, SIX1 could augment the promoting effect of tumor cells on the migration and tube formation of lymphatic endothelial cells (LEC) in vitro and lymphangiogenesis in vivo. SIX1 enhanced TGFβ-induced activation of SMAD2/3 and coordinated with the SMAD pathway to modulate VEGF-C expression. Together, SIX1 and TGFβ induced much higher expression of VEGF-C in tumor cells than each of them alone. Despite its effect in promoting VEGF-C expression, TGFβ could inhibit lymphangiogenesis by directly inhibiting tube formation by LECs. However, the increased production of VEGF-C not only directly promoted migration and tube formation of LECs but also thwarted the inhibitory effect of TGFβ on LECs. That is, tumor cells that expressed high levels of SIX1 could promote lymphangiogenesis and counteract the negative effects of TGFβ on lymphangiogenesis by increasing the expression of VEGF-C. These findings provide new insights into tumor lymphangiogenesis and the various roles of TGFβ signaling in tumor regulation. Our results also suggest that SIX1/TGFβ might be a potential therapeutic target for preventing lymph node metastasis of tumor.
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Affiliation(s)
- Dan Liu
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Li Li
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Xiao-Xue Zhang
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Dong-Yi Wan
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Bi-Xin Xi
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Zheng Hu
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Wen-Cheng Ding
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Da Zhu
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Xiao-Li Wang
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Wei Wang
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University Guangzhou, People's Republic of China
| | - Zuo-Hua Feng
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Hui Wang
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China.
| | - Ding Ma
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China.
| | - Qing-Lei Gao
- Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China.
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111
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Lyons TR, Borges VF, Betts CB, Guo Q, Kapoor P, Martinson HA, Jindal S, Schedin P. Cyclooxygenase-2-dependent lymphangiogenesis promotes nodal metastasis of postpartum breast cancer. J Clin Invest 2014; 124:3901-12. [PMID: 25133426 DOI: 10.1172/jci73777] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2013] [Accepted: 06/19/2014] [Indexed: 12/12/2022] Open
Abstract
Breast involution following pregnancy has been implicated in the high rates of metastasis observed in postpartum breast cancers; however, it is not clear how this remodeling process promotes metastasis. Here, we demonstrate that human postpartum breast cancers have increased peritumor lymphatic vessel density that correlates with increased frequency of lymph node metastases. Moreover, lymphatic vessel density was increased in normal postpartum breast tissue compared with tissue from nulliparous women. In rodents, mammary lymphangiogenesis was upregulated during weaning-induced mammary gland involution. Furthermore, breast cancer cells exposed to the involuting mammary microenvironment acquired prolymphangiogenic properties that contributed to peritumor lymphatic expansion, tumor size, invasion, and distant metastases. Finally, in rodent models of postpartum breast cancer, cyclooxygenase-2 (COX-2) inhibition during the involution window decreased normal mammary gland lymphangiogenesis, mammary tumor-associated lymphangiogenesis, tumor cell invasion into lymphatics, and metastasis. Our data indicate that physiologic COX-2-dependent lymphangiogenesis occurs in the postpartum mammary gland and suggest that tumors within this mammary microenvironment acquire enhanced prolymphangiogenic activity. Further, our results suggest that the prolymphangiogenic microenvironment of the postpartum mammary gland has potential as a target to inhibit metastasis and suggest that further study of the therapeutic efficacy of COX-2 inhibitors in postpartum breast cancer is warranted.
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112
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Yu P, Tung JK, Simons M. Lymphatic fate specification: an ERK-controlled transcriptional program. Microvasc Res 2014; 96:10-5. [PMID: 25132472 DOI: 10.1016/j.mvr.2014.07.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2014] [Revised: 07/22/2014] [Accepted: 07/25/2014] [Indexed: 10/24/2022]
Abstract
Lymphatic vessels are intimately involved in the regulation of water and solute homeostasis by returning interstitial fluid back to the venous circulation and play an equally important role in immune responses by providing avenues for immune cell transport. Defects in the lymphatic vasculature result in a number of pathological conditions, including lymphedema and lymphangiectasia. Knowledge of molecular mechanisms underlying lymphatic development and maintenance is therefore critical for understanding, prevention and treatment of lymphatic circulation-related diseases. Research in the past two decades has uncovered several key transcriptional factors (Prox1, Sox18 and Coup-TFII) controlling lymphatic fate specification. Most recently, ERK signaling has emerged as a critical regulator of this transcriptional program. This review summarizes our current understanding of lymphatic fate determination and its transcriptional controls.
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Affiliation(s)
- Pengchun Yu
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, New Haven, CT 06520, United States
| | - Joe K Tung
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, New Haven, CT 06520, United States
| | - Michael Simons
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, New Haven, CT 06520, United States; Department of Cell Biology, Yale University School of Medicine, New Haven, CT 06520, United States.
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113
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Morfoisse F, Renaud E, Hantelys F, Prats AC, Garmy-Susini B. Role of hypoxia and vascular endothelial growth factors in lymphangiogenesis. Mol Cell Oncol 2014; 1:e29907. [PMID: 27308316 PMCID: PMC4905169 DOI: 10.4161/mco.29907] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2014] [Revised: 06/30/2014] [Accepted: 07/06/2014] [Indexed: 12/15/2022]
Abstract
Hypoxia is known to be a major factor in the induction of angiogenesis during tumor development but its role in lymphangiogenesis remains unclear. Blood and lymphatic vasculatures are stimulated by the vascular endothelial family of growth factors – the VEGFs. In this review, we investigate the role of hypoxia in the molecular regulation of synthesis of the lymphangiogenic growth factors VEGF-A, VEGF-C, and VEGF-D. Gene expression can be regulated by hypoxia at either transcriptional or translational levels. In contrast to strong induction of DNA transcription by hypoxia-inducible factors (HIFs), the majority of cellular stresses such as hypoxia lead to inhibition of cap-dependent translation of mRNA and downregulation of protein synthesis. Here, we describe how initiation of translation of VEGF mRNA is induced by hypoxia through an internal ribosome entry site (IRES)-dependent mechanism. Considering the implications of the lymphatic vasculature for metastatic dissemination, it is crucial to understand the molecular regulation of lymphangiogenic growth factors by hypoxia to obtain new insights into cancer therapy.
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Affiliation(s)
- Florent Morfoisse
- Université de Toulouse; UPS; Toulouse, France; UPS; TRADGENE; EA4554; Toulouse, France
| | - Edith Renaud
- Université de Toulouse; UPS; Toulouse, France; UPS; TRADGENE; EA4554; Toulouse, France
| | - Fransky Hantelys
- Université de Toulouse; UPS; Toulouse, France; UPS; TRADGENE; EA4554; Toulouse, France
| | - Anne-Catherine Prats
- Université de Toulouse; UPS; Toulouse, France; UPS; TRADGENE; EA4554; Toulouse, France
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Olímpio HDO, Bustorff-Silva J, Oliveira Filho AGD, Araujo KCD. Cross-sectional study comparing different therapeutic modalities for cystic lymphangiomas in children. Clinics (Sao Paulo) 2014; 69:505-8. [PMID: 25141107 PMCID: PMC4129551 DOI: 10.6061/clinics/2014(08)01] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2013] [Accepted: 12/20/2013] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVE Here, we describe our experience with different therapeutic modalities used to treat cystic lymphangiomas in children in our hospital, including single therapy with OK-432, bleomycin and surgery, and a combination of the three modalities. METHODS We performed a retrospective, cross-sectional study including patients treated from 1998 to 2011. The effects on macrocystic lymphangiomas and adverse reactions were evaluated. Twenty-nine children with cystic lymphangiomas without any previous treatment were included. Under general anesthesia, patients given sclerosing agents underwent puncture of the lesion (guided by ultrasound when necessary) and complete aspiration of the intralesional liquid. The patients were evaluated with ultrasound and clinical examinations for a maximum follow-up time of 4 years. RESULTS The proportions of patients considered cured after the first therapeutic approach were 44% in the surgery group, 29% in the bleomycin group and 31% in the OK-432 group. These proportions were not significantly different. Sequential treatment increased the rates of curative results to 71%, 74% and 44%, respectively, after the final treatment, which in our case was approximately 1.5 applications per patient. CONCLUSION The results of this study indicate that most patients with cystic lymphangiomas do not show complete resolution after the initial therapy, regardless of whether the therapy is surgical or involves the use of sclerosing agents. To achieve complete resolution of the lesions, either multiple operations or a combination of surgery and sclerotherapy must be used and should be tailored to the characteristics of each patient.
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Abstract
The main function of the lymphatic system is to control and maintain fluid homeostasis, lipid transport, and immune cell trafficking. In recent years, the pathological roles of lymphangiogenesis, the generation of new lymphatic vessels from preexisting ones, in inflammatory diseases and cancer progression are beginning to be elucidated. Sphingosine-1-phosphate (S1P), a bioactive lipid, mediates multiple cellular events, such as cell proliferation, differentiation, and trafficking, and is now known as an important mediator of inflammation and cancer. In this review, we will discuss recent findings showing the emerging role of S1P in lymphangiogenesis, in inflammation, and in cancer.
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Jeltsch M, Jha SK, Tvorogov D, Anisimov A, Leppänen VM, Holopainen T, Kivelä R, Ortega S, Kärpanen T, Alitalo K. CCBE1Enhances Lymphangiogenesis via A Disintegrin and Metalloprotease With Thrombospondin Motifs-3–Mediated Vascular Endothelial Growth Factor-C Activation. Circulation 2014; 129:1962-71. [DOI: 10.1161/circulationaha.113.002779] [Citation(s) in RCA: 157] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Michael Jeltsch
- From the Wihuri Research Institute (M.J., A.A., V.-M.L., R.K., K.A.), Translational Cancer Biology Program (M.J., S.K.J., D.T., A.A., T.H., K.A.), and Department of Biomedicine (M.J.), Biomedicum Helsinki, University of Helsinki, Helsinki, Finland; Biotechnology Programme, Spanish National Cancer Research Centre, Madrid, Spain (S.O.); Hubrecht Institute, Utrecht, The Netherlands (T.K.); and Helsinki University Central Hospital, Helsinki, Finland (K.A.)
| | - Sawan Kumar Jha
- From the Wihuri Research Institute (M.J., A.A., V.-M.L., R.K., K.A.), Translational Cancer Biology Program (M.J., S.K.J., D.T., A.A., T.H., K.A.), and Department of Biomedicine (M.J.), Biomedicum Helsinki, University of Helsinki, Helsinki, Finland; Biotechnology Programme, Spanish National Cancer Research Centre, Madrid, Spain (S.O.); Hubrecht Institute, Utrecht, The Netherlands (T.K.); and Helsinki University Central Hospital, Helsinki, Finland (K.A.)
| | - Denis Tvorogov
- From the Wihuri Research Institute (M.J., A.A., V.-M.L., R.K., K.A.), Translational Cancer Biology Program (M.J., S.K.J., D.T., A.A., T.H., K.A.), and Department of Biomedicine (M.J.), Biomedicum Helsinki, University of Helsinki, Helsinki, Finland; Biotechnology Programme, Spanish National Cancer Research Centre, Madrid, Spain (S.O.); Hubrecht Institute, Utrecht, The Netherlands (T.K.); and Helsinki University Central Hospital, Helsinki, Finland (K.A.)
| | - Andrey Anisimov
- From the Wihuri Research Institute (M.J., A.A., V.-M.L., R.K., K.A.), Translational Cancer Biology Program (M.J., S.K.J., D.T., A.A., T.H., K.A.), and Department of Biomedicine (M.J.), Biomedicum Helsinki, University of Helsinki, Helsinki, Finland; Biotechnology Programme, Spanish National Cancer Research Centre, Madrid, Spain (S.O.); Hubrecht Institute, Utrecht, The Netherlands (T.K.); and Helsinki University Central Hospital, Helsinki, Finland (K.A.)
| | - Veli-Matti Leppänen
- From the Wihuri Research Institute (M.J., A.A., V.-M.L., R.K., K.A.), Translational Cancer Biology Program (M.J., S.K.J., D.T., A.A., T.H., K.A.), and Department of Biomedicine (M.J.), Biomedicum Helsinki, University of Helsinki, Helsinki, Finland; Biotechnology Programme, Spanish National Cancer Research Centre, Madrid, Spain (S.O.); Hubrecht Institute, Utrecht, The Netherlands (T.K.); and Helsinki University Central Hospital, Helsinki, Finland (K.A.)
| | - Tanja Holopainen
- From the Wihuri Research Institute (M.J., A.A., V.-M.L., R.K., K.A.), Translational Cancer Biology Program (M.J., S.K.J., D.T., A.A., T.H., K.A.), and Department of Biomedicine (M.J.), Biomedicum Helsinki, University of Helsinki, Helsinki, Finland; Biotechnology Programme, Spanish National Cancer Research Centre, Madrid, Spain (S.O.); Hubrecht Institute, Utrecht, The Netherlands (T.K.); and Helsinki University Central Hospital, Helsinki, Finland (K.A.)
| | - Riikka Kivelä
- From the Wihuri Research Institute (M.J., A.A., V.-M.L., R.K., K.A.), Translational Cancer Biology Program (M.J., S.K.J., D.T., A.A., T.H., K.A.), and Department of Biomedicine (M.J.), Biomedicum Helsinki, University of Helsinki, Helsinki, Finland; Biotechnology Programme, Spanish National Cancer Research Centre, Madrid, Spain (S.O.); Hubrecht Institute, Utrecht, The Netherlands (T.K.); and Helsinki University Central Hospital, Helsinki, Finland (K.A.)
| | - Sagrario Ortega
- From the Wihuri Research Institute (M.J., A.A., V.-M.L., R.K., K.A.), Translational Cancer Biology Program (M.J., S.K.J., D.T., A.A., T.H., K.A.), and Department of Biomedicine (M.J.), Biomedicum Helsinki, University of Helsinki, Helsinki, Finland; Biotechnology Programme, Spanish National Cancer Research Centre, Madrid, Spain (S.O.); Hubrecht Institute, Utrecht, The Netherlands (T.K.); and Helsinki University Central Hospital, Helsinki, Finland (K.A.)
| | - Terhi Kärpanen
- From the Wihuri Research Institute (M.J., A.A., V.-M.L., R.K., K.A.), Translational Cancer Biology Program (M.J., S.K.J., D.T., A.A., T.H., K.A.), and Department of Biomedicine (M.J.), Biomedicum Helsinki, University of Helsinki, Helsinki, Finland; Biotechnology Programme, Spanish National Cancer Research Centre, Madrid, Spain (S.O.); Hubrecht Institute, Utrecht, The Netherlands (T.K.); and Helsinki University Central Hospital, Helsinki, Finland (K.A.)
| | - Kari Alitalo
- From the Wihuri Research Institute (M.J., A.A., V.-M.L., R.K., K.A.), Translational Cancer Biology Program (M.J., S.K.J., D.T., A.A., T.H., K.A.), and Department of Biomedicine (M.J.), Biomedicum Helsinki, University of Helsinki, Helsinki, Finland; Biotechnology Programme, Spanish National Cancer Research Centre, Madrid, Spain (S.O.); Hubrecht Institute, Utrecht, The Netherlands (T.K.); and Helsinki University Central Hospital, Helsinki, Finland (K.A.)
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Blacher S, Erpicum C, Lenoir B, Paupert J, Moraes G, Ormenese S, Bullinger E, Noel A. Cell invasion in the spheroid sprouting assay: a spatial organisation analysis adaptable to cell behaviour. PLoS One 2014; 9:e97019. [PMID: 24806521 PMCID: PMC4013117 DOI: 10.1371/journal.pone.0097019] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Accepted: 04/14/2014] [Indexed: 12/21/2022] Open
Abstract
The endothelial cell spheroid assay provides a suitable in vitro model to study (lymph) angiogenesis and test pro- and anti-(lymph) angiogenic factors or drugs. Usually, the extent of cell invasion, observed through optical microscopy, is measured. The present study proposes the spatial distribution of migrated cells as a new descriptor of the (lymph) angiogenic response. The utility of this novel method rests with its capacity to locally characterise spheroid structure, allowing not only the investigation of single and collective cell invasion but also the evolution of the spheroid core itself. Moreover, the proposed method can be applied to 2D-projected spheroid images obtained by optical microscopy, as well as to 3D images acquired by confocal microscopy. To validate the proposed methodology, endothelial cell invasion was evaluated under different experimental conditions. The results were compared with widely used global parameters. The comparison shows that our method prevents local spheroid modifications from being overlooked and leading to the possible misinterpretation of results.
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Affiliation(s)
- Silvia Blacher
- Laboratory of tumor and developmental biology, GIGA-Cancer, University of Liège, Liège, Belgium
| | - Charlotte Erpicum
- Laboratory of tumor and developmental biology, GIGA-Cancer, University of Liège, Liège, Belgium
| | - Bénédicte Lenoir
- Laboratory of tumor and developmental biology, GIGA-Cancer, University of Liège, Liège, Belgium
- Laboratory of cardiovascular research, CRP santé, Luxembourg, Luxembourg
| | - Jenny Paupert
- Laboratory of tumor and developmental biology, GIGA-Cancer, University of Liège, Liège, Belgium
| | - Gustavo Moraes
- GIGA-Imaging and Flow Cytometry Platform, University of Liege, Liege, Belgium
| | - Sandra Ormenese
- GIGA-Imaging and Flow Cytometry Platform, University of Liege, Liege, Belgium
| | - Eric Bullinger
- GIGA Systems Biology and Chemical Biology, University of Liege, Liege, Belgium
| | - Agnès Noel
- Laboratory of tumor and developmental biology, GIGA-Cancer, University of Liège, Liège, Belgium
- * E-mail:
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Lenoir B, Wagner DR, Blacher S, Sala-Newby GB, Newby AC, Noel A, Devaux Y. Effects of adenosine on lymphangiogenesis. PLoS One 2014; 9:e92715. [PMID: 24651845 PMCID: PMC3961410 DOI: 10.1371/journal.pone.0092715] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Accepted: 02/25/2014] [Indexed: 02/01/2023] Open
Abstract
Background The lymphatic system controls tissue homeostasis by draining protein-rich lymph to the vascular system. Lymphangiogenesis, the formation of lymphatic vessels, is a normal event in childhood but promotes tumor spread and metastasis during adulthood. Blocking lymphangiogenesis may therefore be of therapeutic interest. Production of adenosine is enhanced in the tumor environment and contributes to tumor progression through stimulation of angiogenesis. In this study, we determined whether adenosine affects lymphangiogenesis. Methods Lymphatic endothelial cells (HMVEC-dLy) were cultured in presence of adenosine and their proliferation, migration and tube formation was assessed. Gelatin sponges embedded with the stable analogue of adenosine 2-chloro adenosine were implanted in mice ear and lymphangiogenesis was quantified. Mice were intravenously injected with adenoviruses containing expression vector for 5′-endonucleotidase, which plays a major role in the formation of adenosine. Results In vitro, we observed that adenosine decreased the proliferation of lymphatic endothelial cells, their migration and tube formation. However, in vivo, gelatin sponges containing 2-chloro adenosine and implanted in mice ear displayed an elevated level of lymphangiogenesis (2.5-fold, p<0.001). Adenovirus-mediated over-expression of cytosolic 5′-nucleotidase IA stimulated lymphangiogenesis and the recruitment of macrophages in mouse liver. Proliferation of lymphatic endothelial cells was enhanced (2-fold, p<0.001) when incubated in the presence of conditioned medium from murine macrophages. Conclusion We have shown that adenosine stimulates lymphangiogenesis in vivo, presumably through a macrophage-mediated mechanism. This observation suggests that blockade of adenosine receptors may help in anti-cancer therapies.
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Affiliation(s)
- Bénédicte Lenoir
- Laboratory of Cardiovascular Research, Centre de Recherche Public de la Santé (CRP – Santé), Luxembourg
| | - Daniel R. Wagner
- Laboratory of Cardiovascular Research, Centre de Recherche Public de la Santé (CRP – Santé), Luxembourg
- Division of Cardiology, Centre Hospitalier Luxembourg, Luxembourg
| | - Silvia Blacher
- Laboratory of Tumor and Development Biology, Groupe Interdisciplinaire de Génoprotéomique Appliquée - Cancer, University of Liège, Liège, Belgium
| | - Graciela B. Sala-Newby
- Bristol Heart Institute, Bristol Royal Infirmary, University of Bristol, Bristol, United Kingdom
| | - Andrew C. Newby
- Bristol Heart Institute, Bristol Royal Infirmary, University of Bristol, Bristol, United Kingdom
| | - Agnès Noel
- Laboratory of Tumor and Development Biology, Groupe Interdisciplinaire de Génoprotéomique Appliquée - Cancer, University of Liège, Liège, Belgium
| | - Yvan Devaux
- Laboratory of Cardiovascular Research, Centre de Recherche Public de la Santé (CRP – Santé), Luxembourg
- * E-mail:
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Chakraborty S, Gurusamy M, Zawieja DC, Muthuchamy M. Lymphatic filariasis: perspectives on lymphatic remodeling and contractile dysfunction in filarial disease pathogenesis. Microcirculation 2014; 20:349-64. [PMID: 23237232 DOI: 10.1111/micc.12031] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2012] [Accepted: 12/07/2012] [Indexed: 01/02/2023]
Abstract
Lymphatic filariasis, one of the most debilitating diseases associated with the lymphatic system, affects over a hundred million people worldwide and manifests itself in a variety of severe clinical pathologies. The filarial parasites specifically target the lymphatics and impair lymph flow, which is critical for the normal functions of the lymphatic system in maintenance of body fluid balance and physiological interstitial fluid transport. The resultant contractile dysfunction of the lymphatics causes fluid accumulation and lymphedema, one of the major pathologies associated with filarial infection. In this review, we take a closer look at the contractile mechanisms of the lymphatics, its altered functions, and remodeling during an inflammatory state and how it relates to the severe pathogenesis underlying a filarial infection. We further elaborate on the complex host-parasite interactions, and molecular mechanisms contributing to the disease pathogenesis. The overall emphasis is on elucidating some of the emerging concepts and new directions that aim to harness the process of lymphangiogenesis or enhance contractility in a dysfunctional lymphatics, thereby restoring the fluid imbalance and mitigating the pathological conditions of lymphatic filariasis.
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Affiliation(s)
- Sanjukta Chakraborty
- Department of Systems Biology and Translational Medicine, Texas A&M Health Science Center College of Medicine, College Station/Temple, TX 77843, USA
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Expression and localization of locally produced growth factors regulating lymphangiogenesis during different stages of the estrous cycle in corpus luteum of buffalo (Bubalus bubalis). Theriogenology 2014; 81:428-36. [DOI: 10.1016/j.theriogenology.2013.10.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Revised: 10/21/2013] [Accepted: 10/21/2013] [Indexed: 11/23/2022]
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Zhou HJ, Chen X, Huang Q, Liu R, Zhang H, Wang Y, Jin Y, Liang X, Lu L, Xu Z, Min W. AIP1 mediates vascular endothelial cell growth factor receptor-3-dependent angiogenic and lymphangiogenic responses. Arterioscler Thromb Vasc Biol 2014; 34:603-15. [PMID: 24407031 DOI: 10.1161/atvbaha.113.303053] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVE To investigate the novel function of ASK1-interacting protein-1 (AIP1) in vascular endothelial cell growth factor receptor (VEGFR)-3 signaling, and VEGFR-3-dependent angiogenesis and lymphangiogenesis. APPROACH AND RESULTS AIP1, a signaling scaffold protein, is highly expressed in the vascular endothelium. We have previously reported that AIP1 functions as an endogenous inhibitor in pathological angiogenesis by blocking VEGFR-2 activity. Surprisingly, here we observe that mice with a global deletion of AIP1-knockout mice (AIP1-KO) exhibit reduced retinal angiogenesis with less sprouting and fewer branches. Vascular endothelial cell (but not neuronal)-specific deletion of AIP1 causes similar defects in retinal angiogenesis. The reduced retinal angiogenesis correlates with reduced expression in VEGFR-3 despite increased VEGFR-2 levels in AIP1-KO retinas. Consistent with the reduced expression of VEGFR-3, AIP1-KO show delayed developmental lymphangiogenesis in neonatal skin and mesentery, and mount weaker VEGF-C-induced cornea lymphangiogenesis. In vitro, human lymphatic endothelial cells with AIP1 small interfering RNA knockdown, retinal endothelial cells, and lymphatic endothelial cells isolated from AIP1-KO all show attenuated VEGF-C-induced VEGFR-3 signaling. Mechanistically, we demonstrate that AIP1 via vegfr-3-specific miR-1236 increases VEGFR-3 protein expression and that, by directly binding to VEGFR-3, it enhances VEGFR-3 endocytosis and stability. CONCLUSION Our in vivo and in vitro results provide the first insight into the mechanism by which AIP1 mediates VEGFR-3-dependent angiogenic and lymphangiogenic signaling.
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Affiliation(s)
- Huanjiao Jenny Zhou
- From the Interdepartmental Program in Vascular Biology and Therapeutics, Yale University School of Medicine, New Haven, CT (H.J.Z., X.C., Q.H., H.Z., Y.W., Y.J., W.M.); State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China (H.J.Z., X.C., X.L., L.L.); Diseases of the Aorta Lab, Center for the Endothelium, Vascular Biology Program, Centenary Institute and University of Sydney, Sydney, Australia (R.L.); Department of Ophthalmology, Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, China (Z.X.)
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Meric-Bernstam F, Rasmussen JC, Krishnamurthy S, Tan IC, Zhu B, Wagner JL, Babiera GV, Mittendorf EA, Sevick-Muraca EM. Toward nodal staging of axillary lymph node basins through intradermal administration of fluorescent imaging agents. BIOMEDICAL OPTICS EXPRESS 2013; 5:183-96. [PMID: 24466486 PMCID: PMC3891331 DOI: 10.1364/boe.5.000183] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2013] [Revised: 11/28/2013] [Accepted: 12/04/2013] [Indexed: 05/22/2023]
Abstract
As part of a proof-of-concept study for future delivery of targeted near-infrared fluorescent (NIRF) tracers, we sought to assess the delivery of micrograms of indocyanine green to all the axillary lymph nodes following intraparenchymal breast injections and intradermal arm injections in 20 subjects with advanced breast carcinoma and undergoing complete axillary lymph node dissection. Lymphatic vessels and nodes were assessed in vivo. Ex vivo images demonstrated that 87% of excised lymph nodes, including 81% of tumor-positive lymph nodes, were fluorescent. Future clinical studies using microdose amounts of tumor-targeting NIRF contrast agents may demonstrate improved surgical intervention with reduced morbidity.
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Affiliation(s)
- Funda Meric-Bernstam
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA
- These authors contributed equally to this work
| | - John C. Rasmussen
- Center for Molecular Imaging, The Brown Foundation Institute of Molecular Medicine at the University of Texas Health Science Center at Houston, Houston, TX 77030 USA
- These authors contributed equally to this work
| | - Savitri Krishnamurthy
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA
| | - I-Chih Tan
- Center for Molecular Imaging, The Brown Foundation Institute of Molecular Medicine at the University of Texas Health Science Center at Houston, Houston, TX 77030 USA
| | - Banghe Zhu
- Center for Molecular Imaging, The Brown Foundation Institute of Molecular Medicine at the University of Texas Health Science Center at Houston, Houston, TX 77030 USA
| | - Jamie L. Wagner
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA
| | - Gildy V. Babiera
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA
| | - Elizabeth A. Mittendorf
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA
| | - Eva M. Sevick-Muraca
- Center for Molecular Imaging, The Brown Foundation Institute of Molecular Medicine at the University of Texas Health Science Center at Houston, Houston, TX 77030 USA
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Kurashige C, Hosono K, Matsuda H, Tsujikawa K, Okamoto H, Majima M. Roles of receptor activity-modifying protein 1 in angiogenesis and lymphangiogenesis during skin wound healing in mice. FASEB J 2013; 28:1237-47. [PMID: 24308973 DOI: 10.1096/fj.13-238998] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Receptor activity-modifying protein 1 (RAMP1) forms a complex with calcitonin receptor-like receptor (CLR) to produce the receptor for calcitonin gene-related peptide (CGRP). CGRP, a 37-aa neuropeptide, is widely distributed in neuronal tissues and exerts its biological effects via CLR/RAMP1; however, the pathophysiological roles of CLR/RAMP1 remain to be clarified. To study the functions of CLR/RAMP1, we generated RAMP1-knockout (RAMP1(-/-)) mice. Compared with those of wild-type (WT) mice, wound healing and wound-induced angiogenesis were significantly suppressed in RAMP1(-/-) mice, with reduced expression of vascular endothelial growth factor (VEGF)-A. Formation of the lymphatic vessels that drain interstitial fluids was also suppressed in RAMP1(-/-) mice, with reduced expression of VEGF-C and VEGFR-3 in wound granulation tissues. RAMP1 was expressed in endothelial cells (ECs) in the preexisting skin blood vessels, but was not observed in ECs in newly formed blood or lymphatic vessels. Macrophages in the wound granulation tissues expressed RAMP1 and produced substantial amounts of VEGF-C in response to CGRP in vitro. RAMP1(-/-) bone marrow chimeric mice showed delayed wound healing with reduced angiogenesis/lymphangiogenesis in wound granulation tissues. These findings suggest that RAMP1 plays a crucial role in wound healing and wound-induced angiogenesis and lymphangiogenesis and that it is a promising target for controlling angiogenesis and lymphangiogenesis.
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Affiliation(s)
- Chie Kurashige
- 1Kitasato University School of Medicine, Sagamihara, Kanagawa 252-0374, Japan.
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Bone morphogenetic protein-9 inhibits lymphatic vessel formation via activin receptor-like kinase 1 during development and cancer progression. Proc Natl Acad Sci U S A 2013; 110:18940-5. [PMID: 24133138 DOI: 10.1073/pnas.1310479110] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Lymphatic vessels (LVs) play critical roles in the maintenance of fluid homeostasis and in pathological conditions, including cancer metastasis. Although mutations in ALK1, a member of the transforming growth factor (TGF)-β/bone morphogenetic protein (BMP) receptor family, have been linked to hereditary hemorrhagic telangiectasia, a human vascular disease, the roles of activin receptor-like kinase 1 (ALK-1) signals in LV formation largely remain to be elucidated. We show that ALK-1 signals inhibit LV formation, and LVs were enlarged in multiple organs in Alk1-depleted mice. These inhibitory effects of ALK-1 signaling were mediated by BMP-9, which decreased the number of cultured lymphatic endothelial cells. Bmp9-deficient mouse embryos consistently exhibited enlarged dermal LVs. BMP-9 also inhibited LV formation during inflammation and tumorigenesis. BMP-9 downregulated the expression of the transcription factor prospero-related homeobox 1, which is necessary to maintain lymphatic endothelial cell identity. Furthermore, silencing prospero-related homeobox 1 expression inhibited lymphatic endothelial cell proliferation. Our findings reveal a unique molecular basis for the physiological and pathological roles of BMP-9/ALK-1 signals in LV formation.
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Lymphedema and therapeutic lymphangiogenesis. BIOMED RESEARCH INTERNATIONAL 2013; 2013:804675. [PMID: 24222916 PMCID: PMC3810055 DOI: 10.1155/2013/804675] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2013] [Accepted: 09/13/2013] [Indexed: 11/25/2022]
Abstract
Lymphedema is a disorder of the lymphatic vascular system characterized by impaired lymphatic return and swelling of the extremities. Lymphedema is divided into primary and secondary forms based on the underlying etiology. Despite substantial advances in both surgical and conservative techniques, therapeutic options for the management of lymphedema are limited. Although rarely lethal, lymphedema is a disfiguring and disabling condition with an associated decrease in the quality of life. The recent impressive expansion of knowledge on the molecular mechanisms governing lymphangiogenesis provides new possibilities for the treatment of lymphedema. This review highlights the lymphatic biology, the pathophysiology of lymphedema, and the therapeutic lymphangiogenesis using hepatocyte growth factor.
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Brown HM, Russell DL. Blood and lymphatic vasculature in the ovary: development, function and disease. Hum Reprod Update 2013; 20:29-39. [PMID: 24097804 DOI: 10.1093/humupd/dmt049] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND The remodelling of the blood vasculature has been the subject of much research while rapid progress in the understanding of the factors controlling lymphangiogenesis in the ovary has only been reported more recently. The ovary undergoes cyclic remodelling throughout each menstrual/estrous cycle. This process requires significant vascular remodelling to supply each new cohort of growing follicles. METHODS Literature searches were performed to review studies on the ovarian lymphatic vasculature that described spatial, temporal and functional data in human or animal species. The role of ovarian blood and lymphatic vasculature in the pathogenesis of ovarian disease and dysfunction was also explored. RESULTS Research in a number of species including zebrafish, rodents and primates has described the lymphatic vasculature within the remodelling ovary, while recent research in mouse has confirmed hormonal regulation of lymphangiogenic growth factors, their receptors and also a role for the protease, ADAMTS1 in the development of the lymphatic vasculature. With a critical role in the maintenence of fluid homeostasis, the ovarian lymphatic vasculature is important for normal ovarian function and has been linked to syndromes involving ovarian fluid imbalance, including ovarian hyperstimulation syndrome and massive ovarian edema. The lymphatic vasculature has also been heavily implicated in the metastatic cancer process. CONCLUSION The spatial and temporal regulation of the ovarian lymphatic vasculature has now been reported in a number of species and the data also implicate the ovarian lymphatic vasculature in ovarian pathologies, including cancer and those linked with use of artificial reproduction technologies.
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Affiliation(s)
- H M Brown
- Robinson Institute, School of Paediatrics and Reproductive Health, University of Adelaide, Level 3, Medical School South, Frome Rd., Adelaide 5005, Australia
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Jian M, Qingfu Z, Yanduo J, Guocheng J, Xueshan Q. Anti-lymphangiogenesis effects of a specific anti-interleukin 7 receptor antibody in lung cancer model in vivo. Mol Carcinog 2013; 54:148-55. [PMID: 24115038 DOI: 10.1002/mc.22082] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2013] [Revised: 07/19/2013] [Accepted: 08/07/2013] [Indexed: 12/12/2022]
Abstract
Interleukin 7 (IL-7) is known to promote lymphangiogenesis. To study the relationship between IL-7 and the lymphangiogenesis in lung cancer cells xenograft tumors, we investigated how IL-7 regulates lymphangiogenesis by Quantitative real-time reverse transcriptase-polymerase chain reaction, Western blot, co-immunoprecipitation, chromatin immunoprecipitation, and immunohistochemistry methods. We found that, in lung cancer cells xenograft tumors IL-7/IL-7 receptor (IL-7R) increase the expression of VEGF-D and lymphangiogenesis, induce c-Fos and c-Jun heterodimer formation, and enhance c-Fos/c-Jun DNA binding activity to regulate VEGF-D. Taken together, our results provided evidence that IL-7/IL-7R induce VEGF-D upregulation and promote lymphangiogenesis via c-Fos/c-Jun pathway in lung cancer.
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Affiliation(s)
- Ming Jian
- No. 202 Hospital of People Liberation Army of China, Shenyang, P.R., China
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128
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Abstract
PURPOSE OF REVIEW The mechanisms of tolerance induction and maintenance remain incompletely understood and have yet to be translated to clinical practice. Advances in imaging techniques have allowed precise examination of cell interactions in the lymph node, often in real time. Herein we review evidence that lymph node structure is dynamic and controls the character of the immune response in a multistep, multiplayer dance. T-cell responses in particular can be initiated or influenced in regions beyond the canonical T-cell zone. We propose that the cortical ridge is one such region required for induction and maintenance of tolerance. RECENT FINDINGS Lymph node domains are more complex than T-cell and B-cell zones. Different domains are important for different types of immune responses. These domains are in part defined by dynamic, malleable physical structures that guide cell interactions and influence immune outcomes. SUMMARY Further probing as to how lymph node stromal cells and fibers interact with and determine the character of immune responses should yield fundamental insights into tolerance and immunity. Manipulation of lymph node structure and associated unique cell types and molecules may allow therapeutic interventions in the tolerogenic process.
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129
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Scianna M, Bell C, Preziosi L. A review of mathematical models for the formation of vascular networks. J Theor Biol 2013; 333:174-209. [DOI: 10.1016/j.jtbi.2013.04.037] [Citation(s) in RCA: 108] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2012] [Revised: 02/15/2013] [Accepted: 04/30/2013] [Indexed: 02/08/2023]
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130
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Xiao H, Yoon YS, Hong SM, Roh SA, Cho DH, Yu CS, Kim JC. Poorly differentiated colorectal cancers: correlation of microsatellite instability with clinicopathologic features and survival. Am J Clin Pathol 2013; 140:341-7. [PMID: 23955452 DOI: 10.1309/ajcp8p2dynkgrbvi] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVES To evaluate the association of microsatellite instability (MSI) with clinicopathologic features and oncologic outcomes in patients with poorly differentiated colorectal cancer (PD). METHODS Study patients were divided into well-differentiated colorectal cancer (WD) and PD, which were compared according to histologic differentiation and MSI status. RESULTS Among 1,941 patients, PD was more frequent among microsatellite-unstable tumors (23.6%) than among microsatellite-stable (MSS) tumors (4.2%, P < .001). Patients with PD had worse 4-year overall survival rates than patients with WD (78.6% vs 88.2%, P = 0.010). Compared with MSS-PD tumors, MSI-PD tumors were characterized by right-colon predilection, larger size, and infrequent lymph node metastasis (P < .001 to P = .007). CONCLUSIONS The clinicopathologic characteristics of PD were closely associated with those of MSI. The outcomes of MSI-PD tumors were better than those of MSS-PD tumors, but this finding did not reach statistical significance.
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Affiliation(s)
- Haitao Xiao
- Department of Surgery, University of Ulsan College of Medicine, Seoul, Korea
- Beijing United Family Hospital, Beijing, China
| | - Yong Sik Yoon
- Department of Surgery, University of Ulsan College of Medicine, Seoul, Korea
- Institute of Innovative Cancer Research and Asan Institute for Life Sciences, Asan Medical Center, Seoul
| | - Seung-Mo Hong
- Department of Pathology, University of Ulsan College of Medicine, Seoul
| | - Seon Ae Roh
- Department of Surgery, University of Ulsan College of Medicine, Seoul, Korea
- Institute of Innovative Cancer Research and Asan Institute for Life Sciences, Asan Medical Center, Seoul
| | - Dong-Hyung Cho
- Institute of Innovative Cancer Research and Asan Institute for Life Sciences, Asan Medical Center, Seoul
- Graduate School of East-West Medical Science, Kyung Hee University, Gyeoggi-do, Korea
| | - Chang Sik Yu
- Department of Surgery, University of Ulsan College of Medicine, Seoul, Korea
| | - Jin Cheon Kim
- Department of Surgery, University of Ulsan College of Medicine, Seoul, Korea
- Institute of Innovative Cancer Research and Asan Institute for Life Sciences, Asan Medical Center, Seoul
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131
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Biomarkers in bladder cancer: translational and clinical implications. Crit Rev Oncol Hematol 2013; 89:73-111. [PMID: 24029603 DOI: 10.1016/j.critrevonc.2013.08.008] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Revised: 07/23/2013] [Accepted: 08/13/2013] [Indexed: 01/15/2023] Open
Abstract
Bladder cancer is associated with high recurrence and mortality rates. These tumors show vast heterogeneity reflected by diverse morphologic manifestations and various molecular alterations associated with these disease phenotypes. Biomarkers that prospectively evaluate disease aggressiveness, progression risk, probability of recurrence and overall prognosis would improve patient care. Integration of molecular markers with conventional pathologic staging of bladder cancers may refine clinical decision making for the selection of adjuvant and salvage therapy. In the past decade, numerous bladder cancer biomarkers have been identified, including various tumor suppressor genes, oncogenes, growth factors, growth factor receptors, hormone receptors, proliferation and apoptosis markers, cell adhesion molecules, stromal factors, and oncoproteins. Recognition of two distinct pathways for urothelial carcinogenesis represents a major advance in the understanding and management of this disease. Nomograms for combining results from multiple biomarkers have been proposed to increase the accuracy of clinical predictions. The scope of this review is to summarize the major biomarker findings that may have translational and clinical implications.
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132
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Bolenz C, Martini T, Michel MS. [Invasion patterns and metastasis of urothelial carcinoma. A challenge for translational research]. Urologe A 2013; 52:1242-7. [PMID: 23979445 DOI: 10.1007/s00120-013-3309-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Local invasion of cancer cells occurs early during the progression of urothelial carcinoma. Micrometastatic disease and the presence of nodal metastases are major causes of cancer-specific mortality following radical surgery. Only surrogate markers for aggressive and micrometastatic disease have been identified. The metastatic cascade is complex, including multiple steps from initial invasion to colonization and proliferation at distant sites. The initial mechanisms of cancer cell dissemination in urothelial carcinoma are poorly understood. Various proteases, chemokines and growth factors are involved in this process and alterations of the lymphatic system may promote systemic spread. There is a high demand for therapeutic targeting of the metastatic process. Functional preclinical studies in representative models are therefore required to better elucidate the multiple steps of progression. We review the current knowledge on factors associated with metastasis in urothelial carcinoma. Preclinical approaches to identify key player molecules for invasion and to develop new therapeutic strategies are discussed.
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Affiliation(s)
- C Bolenz
- Klinik für Urologie, Universitätsmedizin Mannheim, Fakultät für Medizin der Universität Heidelberg, Theodor-Kutzer-Ufer 1, 68167, Mannheim, Deutschland,
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133
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Bryant-Hudson KM, Chucair-Elliott AJ, Conrady CD, Cohen A, Zheng M, Carr DJJ. HSV-1 targets lymphatic vessels in the eye and draining lymph node of mice leading to edema in the absence of a functional type I interferon response. THE AMERICAN JOURNAL OF PATHOLOGY 2013; 183:1233-1242. [PMID: 23911821 DOI: 10.1016/j.ajpath.2013.06.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2013] [Revised: 06/18/2013] [Accepted: 06/20/2013] [Indexed: 11/16/2022]
Abstract
Herpes simplex virus type-1 (HSV-1) induces new lymphatic vessel growth (lymphangiogenesis) in the cornea via expression of vascular endothelial growth factor by virally infected epithelial cells. Here, we extend this observation to demonstrate the selective targeting of corneal lymphatics by HSV-1 in the absence of functional type I interferon (IFN) pathway. Specifically, we examined the impact of HSV-1 replication on angiogenesis using type I IFN receptor deficient (CD118(-/-)) mice. HSV-1-induced lymphatic and blood vessel growth into the cornea proper was time-dependent in immunocompetent animals. In contrast, there was an initial robust growth of lymphatic vessels into the cornea of HSV-1-infected CD118(-/-)mice, but such vessels disappeared by day 5 postinfection. The loss was selective as blood vessel integrity remained intact. Magnetic resonance imaging and confocal microscopy analysis of the draining lymph nodes of CD118(-/-) mice revealed extensive edema and loss of lymphatics compared with wild-type mice. In addition to a loss of lymphatic vessels in CD118(-/-) mice, HSV-1 infection resulted in epithelial thinning associated with geographic lesions and edema within the cornea, which is consistent with a loss of lymphatic vasculature. These results underscore the key role functional type I IFN pathway plays in the maintenance of structural integrity within the cornea in addition to the anti-viral characteristics often ascribed to the type I IFN cytokine family.
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Affiliation(s)
- Katie M Bryant-Hudson
- Department of Ophthalmology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Ana J Chucair-Elliott
- Department of Ophthalmology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Christopher D Conrady
- Department of Ophthalmology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Alex Cohen
- Department of Ophthalmology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Min Zheng
- Department of Ophthalmology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Daniel J J Carr
- Department of Ophthalmology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma.
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134
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Hedrick MS, Hillman SS, Drewes RC, Withers PC. Lymphatic regulation in nonmammalian vertebrates. J Appl Physiol (1985) 2013; 115:297-308. [DOI: 10.1152/japplphysiol.00201.2013] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
All vertebrate animals share in common the production of lymph through net capillary filtration from their closed circulatory system into their tissues. The balance of forces responsible for net capillary filtration and lymph formation is described by the Starling equation, but additional factors such as vascular and interstitial compliance, which vary markedly among vertebrates, also have a significant impact on rates of lymph formation. Why vertebrates show extreme variability in rates of lymph formation and how nonmammalian vertebrates maintain plasma volume homeostasis is unclear. This gap hampers our understanding of the evolution of the lymphatic system and its interaction with the cardiovascular system. The evolutionary origin of the vertebrate lymphatic system is not clear, but recent advances suggest common developmental factors for lymphangiogenesis in teleost fishes, amphibians, and mammals with some significant changes in the water-land transition. The lymphatic system of anuran amphibians is characterized by large lymphatic sacs and two pairs of lymph hearts that return lymph into the venous circulation but no lymph vessels per se. The lymphatic systems of reptiles and some birds have lymph hearts, and both groups have extensive lymph vessels, but their functional role in both lymph movement and plasma volume homeostasis is almost completely unknown. The purpose of this review is to present an evolutionary perspective in how different vertebrates have solved the common problem of the inevitable formation of lymph from their closed circulatory systems and to point out the many gaps in our knowledge of this evolutionary progression.
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Affiliation(s)
- Michael S. Hedrick
- Developmental Integrative Biology Cluster, Department of Biological Sciences, University of North Texas, Denton, Texas
| | | | - Robert C. Drewes
- Department of Herpetology, California Academy of Sciences, San Francisco, California; and
| | - Philip C. Withers
- School of Animal Biology, University of Western Australia, Crawley, Western Australia
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135
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Bryant-Hudson K, Conrady CD, Carr DJJ. Type I interferon and lymphangiogenesis in the HSV-1 infected cornea - are they beneficial to the host? Prog Retin Eye Res 2013; 36:281-91. [PMID: 23876483 DOI: 10.1016/j.preteyeres.2013.06.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Revised: 06/19/2013] [Accepted: 06/25/2013] [Indexed: 02/06/2023]
Abstract
Herpes simplex virus type 1 (HSV-1) is a highly successful pathogen that can result in significant human morbidity. Within the cornea, it was thought the initial recognition of the pathogen was through Toll-like receptors expressed on/in resident cells that then elicit pro-inflammatory cytokine production, activation of anti-viral pathways, and recruitment of leukocytes. However, our lab has uncovered a novel, TLR-independent innate sensor that supersedes TLR induction of anti-viral pathways following HSV-1 infection. In addition, we have also found HSV-1 induces the genesis of lymphatic vessels into the cornea proper by a mechanism independent of TLRs and unique in the field of neovascularization. This review will focus on these two innate immune events during acute HSV-1 infection of the cornea.
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Affiliation(s)
- Katie Bryant-Hudson
- Department of Ophthalmology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
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136
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Mimori K, Shinden Y, Eguchi H, Sudo T, Sugimachi K. Biological and molecular aspects of lymph node metastasis in gastro-intestinal cancer. Int J Clin Oncol 2013; 18:762-5. [PMID: 23828632 DOI: 10.1007/s10147-013-0587-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Indexed: 10/26/2022]
Abstract
Recently, the existence of lymph node micrometastasis, including isolated tumor cells, has been the focus of the development of molecular diagnostic tools for lymph node metastasis in various malignant neoplasms, including those of the GI tract. In this review, we summarize recent molecular biological studies that might provide two reasons to explain the survival of single isolated cancer cells in lymph nodes. One is the specific characteristics of cancer cells, which can exist under severe circumstances, along with recent technological innovations to obtain expression profiles and sequencing from a single cell. The other is microenvironmental factors that support the formation of micrometastasis even in small numbers of cancer cells. The expression profile of whole transcriptome sequencing, genomic sequencing and epigenetic sequencing of a single cancer cell with tumorigenic properties in lymph node metastases should be disclosed in the near future.
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Affiliation(s)
- Koshi Mimori
- Department of Surgery, Kyushu University Beppu Hospital, 4546 Tsurumihara, Beppu, 874-0838, Japan,
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137
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Development of functionally patent lymphatic meshes in postsurgical long-term resolution of peripheral secondary lymphedema. J Vasc Surg Venous Lymphat Disord 2013; 1:280-8. [DOI: 10.1016/j.jvsv.2012.09.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2012] [Revised: 09/19/2012] [Accepted: 09/22/2012] [Indexed: 12/13/2022]
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138
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Gresta LT, Rodrigues-Júnior IA, Castro LPFD, Cassali GD, Cabral MMD&A. Assessment of vascular invasion in gastric cancer: A comparative study. World J Gastroenterol 2013; 19:3761-3769. [PMID: 23840114 PMCID: PMC3699037 DOI: 10.3748/wjg.v19.i24.3761] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2013] [Revised: 04/03/2013] [Accepted: 04/16/2013] [Indexed: 02/06/2023] Open
Abstract
AIM: To evaluate and compare detection of lymphatic and blood vessel invasion (LVI and BVI) by hematoxylin-eosin (HE) and immunohistochemistry (IHC) in gastric cancer specimens, and to correlate with lymph node status.
METHODS: IHC using D2-40 (a lymphatic endothelial marker) and CD34 (a pan-endothelial marker) was performed to study LVI and BVI in surgical specimens from a consecutive series of 95 primary gastric cancer cases. The results of the IHC study were compared with the detection by HE using McNemar test and kappa index. The morphologic features of the tumors and the presence of LVI and BVI were related to the presence of lymph node metastasis. A χ2 test was performed to obtain associations between LVI and BVI and other prognostic factors for gastric cancer.
RESULTS: The detection rate of LVI was considerably higher than that of BVI. The IHC study identified eight false-positive cases and 13 false-negative cases for LVI, and 24 false-positive cases and 10 false-negative cases for BVI. The average Kappa value determined was moderate for LVI (κ = 0.50) and low for BVI (κ = 0.20). Both LVI and BVI were statistically associated with the presence of lymph node metastasis (HE: P = 0.001, P = 0.013, and IHC: P = 0.001, P = 0.019). The morphologic features associated with LVI were location of the tumor in the distal third of the stomach (P = 0.039), Borrmann’s macroscopic type (P = 0.001), organ invasion (P = 0.03) and the depth of tumor invasion (P = 0.001). The presence of BVI was related only to the depth of tumor invasion (P = 0.003).
CONCLUSION: The immunohistochemical identification of lymphatic and blood vessels is useful for increasing the accuracy of the diagnosis of vessel invasion and for predicting lymph node metastasis.
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139
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Gore AV, Monzo K, Cha YR, Pan W, Weinstein BM. Vascular development in the zebrafish. Cold Spring Harb Perspect Med 2013; 2:a006684. [PMID: 22553495 DOI: 10.1101/cshperspect.a006684] [Citation(s) in RCA: 167] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The zebrafish has emerged as an excellent vertebrate model system for studying blood and lymphatic vascular development. The small size, external and rapid development, and optical transparency of zebrafish embryos are some of the advantages the zebrafish model system offers. Multiple well-established techniques have been developed for imaging and functionally manipulating vascular tissues in zebrafish embryos, expanding on and amplifying these basic advantages and accelerating use of this model system for studying vascular development. In the past decade, studies performed using zebrafish as a model system have provided many novel insights into vascular development. In this article we discuss the amenability of this model system for studying blood vessel development and review contributions made by this system to our understanding of vascular development.
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Affiliation(s)
- Aniket V Gore
- Program in Genomics of Differentiation, Laboratory of Molecular Genetics, Section on Vertebrate Organogenesis, NICHD, NIH, Bethesda, Maryland, USA
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140
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Nakao S, Zandi S, Kohno RI, Sun D, Nakama T, Ishikawa K, Yoshida S, Enaida H, Ishibashi T, Hafezi-Moghadam A. Lack of lymphatics and lymph node-mediated immunity in choroidal neovascularization. Invest Ophthalmol Vis Sci 2013; 54:3830-6. [PMID: 23580489 DOI: 10.1167/iovs.12-10341] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
PURPOSE Inflammation and immune cells regulate choroidal neovascularization (CNV) and could become therapeutic targets in age-related macular degeneration (AMD). Lymphangiogenesis is a key component of various inflammatory diseases. Whether lymphangiogenesis and lymph node-mediated immunity are involved in the pathogenesis of AMD is not understood. METHODS To investigate lymphangiogenesis in CNV, we generated CNV in animals by laser and studied surgically removed CNV membranes from uveitis and AMD patients. Immunohistochemistry was performed with lymphatic vessel endothelial hyaluronate receptor 1 (LYVE-1) and podoplanin antibodies. VEGF-C and VEGFR-3 expressions were examined with immunohistochemistry and Western blotting. To examine the role of lymph node in CNV, we lasered lymphotoxin alpha-deficient mice (LTα-/-) and measured the CNV volume. RESULTS Immunohistochemistry showed that LYVE-1(+) macrophages infiltrated in acutely induced CNV, although lymphatic tubes did not form. CNV membranes from patients did not show LYVE-1(+)podoplanin(+) vessels, suggesting the lack of lymphangiogenesis in AMD and uveitis. Western blots and immunostaining revealed VEGF-C and VEGFR-3 expression in CNV lesions, mainly in macrophages and angiogenic endothelial cells. Using fluorescent microsphere tracers, we show a path for cellular migration from the eye to the cervical lymph nodes (LNs) during CNV. However, CNV injury did not cause LN swelling. CNV volume did not differ between wild-type and LN-deficient mice, suggesting that LN is not a key component of early CNV formation. CONCLUSIONS Laser-induced CNV is not primarily dependent on acquired immunity, nor does the fundus injury affect peripheral LNs. Our results reveal a previously unknown cellular connection between the ocular fundus and the cervical LNs. This connection that in function resembles lymphatics is actively utilized in CNV.
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Affiliation(s)
- Shintaro Nakao
- Center for Excellence in Functional and Molecular Imaging, Brigham and Women's Hospital, Boston, MA 02115, USA
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141
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Scott DJA, Allen CJ, Honstvet CA, Hanby AM, Hammond C, Johnson AB, Perry SL, Jones PF. Lymphangiogenesis in abdominal aortic aneurysm. Br J Surg 2013; 100:895-903. [DOI: 10.1002/bjs.9128] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/14/2013] [Indexed: 11/05/2022]
Abstract
Abstract
Background
Ongoing angiogenesis is implicated in the inflammatory environment that characterizes abdominal aortic aneurysm (AAA). Although lymphangiogenesis has been associated with chronic inflammatory conditions, it has yet to be demonstrated in AAA. The aim was to determine the presence of lymphangiogenesis and to delineate the relationship between inflammation and neovascularization in AAA tissue.
Methods
AAA samples and preoperative computed tomography images were obtained from patients undergoing elective AAA repair. Control samples were age-matched abdominal aortic tissue. Specific immunostains for blood vessels (CD31, CD105), lymphatic vessels (D2-40), vascular endothelial growth factor (VEGF) A and VEGF receptor (VEGFR) 3 allowed characterization and quantitation of vasculature.
Results
The AAA wall contained high levels of inflammatory infiltrate; microvascular densities of blood (P < 0·001) and lymphatic (P = 0·003) vessels were significantly increased in AAA samples compared with controls. Maximal AAA vascularity was observed in inflammatory areas, with vessels that stained positively for CD31 (ρ = 0·625, P = 0·017), CD105 (ρ = 0·692, P = 0·009) and D2-40 (ρ = 0·675, P = 0·008) correlating positively with the extent of inflammation. Increased VEGFR-3 and VEGF-A expression was also evident within inflammatory AAA areas.
Conclusion
These findings demonstrated lymphatic vessel involvement in end-stage AAA disease, which was associated with the degree of inflammation, and confirmed the involvement of neovascularization.
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Affiliation(s)
- D J A Scott
- Division of Cardiovascular and Diabetes Research, Leeds Institute of Genetics, Health and Therapeutics, and Multidisciplinary Cardiovascular Research Centre, University of Leeds, Leeds, UK
| | - C J Allen
- Leeds Institute of Molecular Medicine, University of Leeds, St James's University Hospital, Leeds, UK
| | - C A Honstvet
- Leeds Institute of Molecular Medicine, University of Leeds, St James's University Hospital, Leeds, UK
| | - A M Hanby
- Leeds Institute of Molecular Medicine, University of Leeds, St James's University Hospital, Leeds, UK
| | - C Hammond
- Department of Vascular Radiology, Leeds General Infirmary, Leeds, UK
| | - A B Johnson
- Division of Cardiovascular and Diabetes Research, Leeds Institute of Genetics, Health and Therapeutics, and Multidisciplinary Cardiovascular Research Centre, University of Leeds, Leeds, UK
| | - S L Perry
- Leeds Institute of Molecular Medicine, University of Leeds, St James's University Hospital, Leeds, UK
| | - P F Jones
- Leeds Institute of Molecular Medicine, University of Leeds, St James's University Hospital, Leeds, UK
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142
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Choi I, Lee S, Hong YK. The new era of the lymphatic system: no longer secondary to the blood vascular system. Cold Spring Harb Perspect Med 2013; 2:a006445. [PMID: 22474611 DOI: 10.1101/cshperspect.a006445] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The blood and lymphatic systems are the two major circulatory systems in our body. Although the blood system has been studied extensively, the lymphatic system has received much less scientific and medical attention because of its elusive morphology and mysterious pathophysiology. However, a series of landmark discoveries made in the past decade has begun to change the previous misconception of the lymphatic system to be secondary to the more essential blood vascular system. In this article, we review the current understanding of the development and pathology of the lymphatic system. We hope to convince readers that the lymphatic system is no less essential than the blood circulatory system for human health and well-being.
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Affiliation(s)
- Inho Choi
- Department of Surgery, Department of Biochemistry and Molecular Biology, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California 90033, USA
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143
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An important role of blood and lymphatic vessels in inflammation and allergy. J Allergy (Cairo) 2013; 2013:672381. [PMID: 23431319 PMCID: PMC3574757 DOI: 10.1155/2013/672381] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2012] [Revised: 12/04/2012] [Accepted: 12/19/2012] [Indexed: 01/24/2023] Open
Abstract
Angiogenesis and lymphangiogenesis, the growth of new vessels from preexisting ones, have received increasing interest due to their role in tumor growth and metastatic spread. However, vascular remodeling, associated with vascular hyperpermeability, is also a key feature of many chronic inflammatory diseases including asthma, atopic dermatitis, psoriasis, and rheumatoid arthritis. The major drivers of angiogenesis and lymphangiogenesis are vascular endothelial growth factor- (VEGF-)A and VEGF-C, activating specific VEGF receptors on the lymphatic and blood vascular endothelium. Recent experimental studies found potent anti-inflammatory responses after targeted inhibition of activated blood vessels in models of chronic inflammatory diseases. Importantly, our recent results indicate that specific activation of lymphatic vessels reduces both acute and chronic skin inflammation. Thus, antiangiogenic and prolymphangiogenic therapies might represent a new approach to treat chronic inflammatory disorders, including those due to chronic allergic inflammation.
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144
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Glasgow CG, El-Chemaly S, Moss J. Lymphatics in lymphangioleiomyomatosis and idiopathic pulmonary fibrosis. Eur Respir Rev 2013; 21:196-206. [PMID: 22941884 DOI: 10.1183/09059180.00009311] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The primary function of the lymphatic system is absorbing and transporting macromolecules and immune cells to the general circulation, thereby regulating fluid, nutrient absorption and immune cell trafficking. Lymphangiogenesis plays an important role in tissue inflammation and tumour cell dissemination. Lymphatic involvement is seen in lymphangioleiomyomatosis (LAM) and idiopathic pulmonary fibrosis (IPF). LAM, a disease primarily affecting females, involves the lung (cystic destruction), kidney (angiomyolipoma) and axial lymphatics (adenopathy and lymphangioleiomyoma). LAM occurs sporadically or in association with tuberous sclerosis complex (TSC). Cystic lung destruction results from proliferation of LAM cells, which are abnormal smooth muscle-like cells with mutations in the TSC1 or TSC2 gene. Lymphatic abnormalities arise from infiltration of LAM cells into the lymphatic wall, leading to damage or obstruction of lymphatic vessels. Benign appearing LAM cells possess metastatic properties and are found in the blood and other body fluids. IPF is a progressive lung disease resulting from fibroblast proliferation and collagen deposition. Lymphangiogenesis is associated with pulmonary destruction and disease severity. A macrophage subset isolated from IPF bronchoalveolar lavage fluid (BALF) express lymphatic endothelial cell markers in vitro, in contrast to the same macrophage subset from normal BALF. Herein, we review lymphatic involvement in LAM and IPF.
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Affiliation(s)
- Connie G Glasgow
- Cardiovascular and Pulmonary Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892-1590, USA
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145
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Abstract
The endometrium has a complex and dynamic blood and lymphatic vasculature which undergoes regular cycles of growth and breakdown. While we now have a detailed picture of the endometrial blood vasculature, our understanding of the lymphatic vasculature in the endometrium is limited. Recent studies have illustrated that the endometrium contains a population of lymphatic vessels with restricted distribution in the functional layer relative to the basal layer. The mechanisms responsible for this restricted distribution and the consequences for endometrial function are not known. This review will summarise our current understanding of endometrial lymphatics, including the mechanisms regulating their growth and function. The potential contribution of lymphatic vessels and lymphangiogenic growth factors to various endometrial disorders will be discussed.
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Affiliation(s)
- Jane E Girling
- Gynaecology Research Centre, Department of Obstetrics and Gynaecology, The University of Melbourne, The Royal Women's Hospital, Cnr Flemington Rd and Grattan St, Parkville, VIC, Australia.
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146
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Gold nanoparticles: emerging paradigm for targeted drug delivery system. Biotechnol Adv 2012; 31:593-606. [PMID: 23111203 DOI: 10.1016/j.biotechadv.2012.10.002] [Citation(s) in RCA: 206] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Revised: 10/07/2012] [Accepted: 10/22/2012] [Indexed: 12/21/2022]
Abstract
The application of nanotechnology in medicine, known as nanomedicine, has introduced a plethora of nanoparticles of variable chemistry and design considerations for cancer diagnosis and treatment. One of the most important field is the design and development of pharmaceutical drugs, based on targeted drug delivery system (TDDS). Being inspired by physio-chemical properties of nanoparticles, TDDS are designed to safely reach their targets and specifically release their cargo at the site of disease for enhanced therapeutic effects, thereby increasing the drug tissue bioavailability. Nanoparticles have the advantage of targeting cancer by simply being accumulated and entrapped in cancer cells. However, even after rapid growth of nanotechnology in nanomedicine, designing an effective targeted drug delivery system is still a challenging task. In this review, we reveal the recent advances in drug delivery approach with a particular focus on gold nanoparticles. We seek to expound on how these nanomaterials communicate in the complex environment to reach the target site, and how to design the effective TDDS for complex environments and simultaneously monitor the toxicity on the basis of designing such delivery complexes. Hence, this review will shed light on the research, opportunities and challenges for engineering nanomaterials with cancer biology and medicine to develop effective TDDS for treatment of cancer.
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147
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Park C, Lee JY, Yoon YS. Role of bone marrow-derived lymphatic endothelial progenitor cells for lymphatic neovascularization. Trends Cardiovasc Med 2012; 21:135-40. [PMID: 22732548 DOI: 10.1016/j.tcm.2012.04.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The lymphatic vasculature plays a pivotal role in maintaining tissue fluid homeostasis, immune surveillance, and lipid uptake in the gastrointestinal organs. Therefore, impaired function of the lymphatic vessels caused by genetic defects, infection, trauma, or surgery leads to the abnormal accrual of lymph fluid in the tissue and culminates in the swelling of affected tissues, known as lymphedema. Lymphedema causes impaired wound healing, compromised immune defense, and, in rare case, lymphangiosarcoma. Although millions of people suffer from lymphedema worldwide, no effective therapy is currently available. In addition, recent advances in cancer biology have disclosed an indispensable function of the lymphatic vessel in tumor growth and metastasis. Therefore, understanding the detailed mechanisms governing lymphatic vessel formation and function in pathophysiologic conditions is essential to prevent or treat these diseases. We review the developmental processes of the lymphatic vessels and postnatal lymphatic neovascularization, focusing on the role of recently identified bone marrow-derived podoplanin-expressing (podoplanin(+)) cells as lymphatic endothelial progenitor cells.
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Affiliation(s)
- Changwon Park
- Department of Pharmacology, University of Illinois College of Medicine, Chicago, IL 60612, USA
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148
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Vittet D, Merdzhanova G, Prandini MH, Feige JJ, Bailly S. TGFβ1 inhibits lymphatic endothelial cell differentiation from mouse embryonic stem cells. J Cell Physiol 2012; 227:3593-602. [PMID: 22287283 DOI: 10.1002/jcp.24063] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The lymphatic vasculature is essential for the maintenance of tissue fluid, immune surveillance, and dissemination of metastasis. Recently, several models for lymphatic vascular research and markers specific for lymphatic endothelium have been characterized. Despite these significant achievements, our understanding of the early lymphatic development is still rather limited. The purpose of the study was to further define early lymphatic differentiation regulatory pathways. In the present study, we have developed conditions leading to lymphatic endothelial cell differentiation under both serum-rich and serum-free conditions, using the coculture system of Flk-1-positive vascular precursors derived from murine embryonic stem (ES) cells grown on an OP9 stromal cell layer. In this work, we also identified Transforming Growth Factor-β1 (TGFβ1) as a negative regulator of lymphvasculogenesis from ES-derived vascular progenitors. Finally, we could show that TGFβ1 addition decreases COUP-TFII and Sox18 mRNA levels, which are two transcription factors known to be involved in early lymphatic endothelial differentiation. Taken together these findings support the concept that manipulating the TGFβ signaling pathway may represent an interesting target to favor lymphatic endothelial cell expansion for cell replacement strategies.
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149
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Karnezis T, Shayan R, Fox S, Achen MG, Stacker SA. The connection between lymphangiogenic signalling and prostaglandin biology: a missing link in the metastatic pathway. Oncotarget 2012; 3:893-906. [PMID: 23097685 PMCID: PMC3478465 DOI: 10.18632/oncotarget.593] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2012] [Accepted: 08/17/2012] [Indexed: 12/21/2022] Open
Abstract
Substantial evidence supports important independent roles for lymphangiogenic growth factor signaling and prostaglandins in the metastatic spread of cancer. The significance of the lymphangiogenic growth factors, vascular endothelial growth factor (VEGF)-C and VEGF-D, is well established in animal models of metastasis, and a strong correlation exits between an increase in expression of VEGF-C and VEGF-D, and metastatic spread in various solid human cancers. Similarly, key enzymes that control the production of prostaglandins, cyclooxygenases (COX-1 and COX-2, prototypic targets of Non-steroidal anti-inflammatory drugs (NSAIDs)), are frequently over-expressed or de-regulated in the progression of cancer. Recent data have suggested an intersection of lymphangiogenic growth factor signaling and the prostaglandin pathways in the control of metastatic spread via the lymphatic vasculature. Furthermore, this correlates with current clinical data showing that some NSAIDs enhance the survival of cancer patients through reducing metastasis. Here, we discuss the potential biochemical and cellular basis for such anti-cancer effects of NSAIDs through the prostaglandin and VEGF signaling pathways.
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Affiliation(s)
- Tara Karnezis
- Peter MacCallum Cancer Centre, Locked Bag 1, A'Beckett Street, East Melbourne, Victoria, Australia
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150
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Wakisaka N, Hirota K, Kondo S, Sawada-Kitamura S, Endo K, Murono S, Yoshizaki T. Induction of lymphangiogenesis through vascular endothelial growth factor-C/vascular endothelial growth factor receptor 3 axis and its correlation with lymph node metastasis in nasopharyngeal carcinoma. Oral Oncol 2012; 48:703-8. [DOI: 10.1016/j.oraloncology.2012.02.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2011] [Revised: 01/26/2012] [Accepted: 02/01/2012] [Indexed: 12/01/2022]
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