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Lymphangiogenesis

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https://www.readbyqxmd.com/read/28804221/s1p-provokes-tumor-lymphangiogenesis-via-macrophage-derived-mediators-such-as-il-1%C3%AE-or-lipocalin-2
#1
REVIEW
Shahzad N Syed, Michaela Jung, Andreas Weigert, Bernhard Brüne
A pleiotropic signaling lipid, sphingosine-1-phosphate (S1P), has been implicated in various pathophysiological processes supporting tumor growth and metastasis. However, there are only a few descriptive studies suggesting a role of S1P in tumor lymphangiogenesis, which is critical for tumor growth and dissemination. Corroborating own data, the literature suggests that apoptotic tumor cell-derived S1P alters the phenotype of tumor-associated macrophages (TAMs) to gain protumor functions. However, mechanistically, the role of TAM-induced lymphangiogenesis has only been poorly described, mostly linked to the production of lymphangiogenic factors such as vascular endothelial growth factor C (VEGF-C) and VEGF-D, or transdifferentiation into lymphatic endothelial cells...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28795242/prox1-gfp-flt1-dsred-transgenic-mice-an-animal-model-for-simultaneous-live-imaging-of-angiogenesis-and-lymphangiogenesis
#2
Wei Zhong, Xinbo Gao, Shuangyong Wang, Kyuyeon Han, Masatsugu Ema, Susanne Adams, Ralf H Adams, Mark I Rosenblatt, Jin-Hong Chang, Dimitri T Azar
The roles of angiogenesis in development, health, and disease have been studied extensively; however, the studies related to lymphatic system are limited due to the difficulty in observing colorless lymphatic vessels. But recently, with the improved technique, the relative importance of the lymphatic system is just being revealed. We bred transgenic mice in which lymphatic endothelial cells express GFP (Prox1-GFP) with mice in which vascular endothelial cells express DsRed (Flt1-DsRed) to generate Prox1-GFP/Flt1-DsRed (PGFD) mice...
August 9, 2017: Angiogenesis
https://www.readbyqxmd.com/read/28791841/vascular-endothelial-growth-factor-vegf-c-vegf-d-vegfr-3-and-d2-40-expressions-in-primary-breast-cancer-association-with-lymph-node-metastasis
#3
Aydan Eroğlu, Cevriye Ersöz, Durdu Karasoy, Serpil Sak
BACKGROUND: Two members of the vascular endothelial growth factor (VEGF) family, VEGF-C and -D, are known as lymphangiogenic growth factors and play an important role in tumor lymphangiogenesis via activation of the VEGF receptor (VEGFR)-3, which is expressed in lymphatic endothelial cells. D2-40 is a specific antibody for lymphatic vessel density (LVD). OBJECTIVES: In the present study, we have aimed to evaluate whether intraand peri-tumoral D2-40-positive lymphatic vessels affect lymph node metastasis and to investigate the relationship between LVD and lymph node metastasis in breast cancer...
March 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28775329/transient-ingrowth-of-lymphatic-vessels-into-the-physiologically-avascular-cornea-regulates-corneal-edema-and-transparency
#4
Deniz Hos, Anne Bukowiecki, Jens Horstmann, Felix Bock, Franziska Bucher, Ludwig M Heindl, Sebastian Siebelmann, Philipp Steven, Reza Dana, Sabine A Eming, Claus Cursiefen
Lymphangiogenesis is essential for fluid homeostasis in vascularized tissues. In the normally avascular cornea, however, pathological lymphangiogenesis mediates diseases like corneal transplant rejection, dry eye disease, and allergy. So far, a physiological role for lymphangiogenesis in a primarily avascular site such as the cornea has not been described. Using a mouse model of perforating corneal injury that causes acute and severe fluid accumulation in the cornea, we show that lymphatics transiently and selectively invade the cornea and regulate the resolution of corneal edema...
August 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28771226/brain-derived-neurotrophic-factor-promotes-vegf-c-dependent-lymphangiogenesis-by-suppressing-mir-624-3p-in-human-chondrosarcoma-cells
#5
Chih-Yang Lin, Shih-Wei Wang, Yen-Ling Chen, Wen-Yi Chou, Ting-Yi Lin, Wei-Cheng Chen, Chen-Yu Yang, Shih-Chia Liu, Chia-Chu Hsieh, Yi-Chin Fong, Po-Chuan Wang, Chih-Hsin Tang
Chondrosarcoma is the second most common primary malignancy of bone, and one of the most difficult bone tumors to diagnose and treat. It is well known that increased levels of vascular endothelial growth factor-C (VEGF-C) promote active tumor lymphangiogenesis and lymphatic tumor spread to regional lymph nodes. Brain-derived neurotrophic factor (BDNF) is known to promote metastasis in human chondrosarcoma cells. Knowing more about the mechanism of BDNF in VEGF-C expression and lymphangiogenesis in human chondrosarcoma would improve our understanding as how to prevent chondrosarcoma angiogenesis and metastasis, which currently lacks effective adjuvant treatment...
August 3, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28762169/successful-surgical-treatment-of-intractable-chylous-ascites-using-the-lymphatic-cable-flap-a-retrospective-review-study
#6
Shih-Heng Chen, Li-Fan Yeh, Pedro Ciudad, Hung-Chi Chen
OBJECTIVE: For evaluation of a novel surgical procedure for the treatment of chylous ascites. Chylous ascites is a debilitating condition associated with high morbidity and mortality rates. At least one-third of patients are refractory to medical therapy and may warrant further treatment. Traditional methods involving ligation of lymphatic fistulas or small bowel resection do not address the basic pathophysiologic mechanism of the underlying obstruction, and identification of chyloperitoneal fistulas may be challenging...
July 31, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28756632/lymphangiogenesis-from-passive-disseminator-to-dynamic-metastatic-enabler
#7
Eva Perez Guijarro, Glenn Merlino
The lymphatic vasculature drains fluid and cells from tissues and channels them to the lymph nodes, where they encounter immune cells, constituting a critical component of immune function and tissue fluid homeostasis. It has been hypothesized that the formation of new lymphatics (lymphangiogenesis) in tumors can facilitate cancer cell transport to the lymph node, whose permissive microenvironment would favor their survival before disseminating to other organs. However, lymphatic vessels found inside tumors are generally not functional and surgical resection of sentinel lymph nodes does not improve melanoma patient's outcome (Morton et al...
July 30, 2017: Pigment Cell & Melanoma Research
https://www.readbyqxmd.com/read/28756123/lymphatic-vessel-density-and-vegf-c-expression-as-independent-predictors-of%C3%A2-melanoma-metastases
#8
Zorica Špirić, Živka Eri, Mirela Erić
INTRODUCTION: In many patients, the clinical behaviour of cutaneous melanoma is very difficult to predict by traditional histologic and clinical parameters. This study aimed to examine the role of quantitative parameters of tumour lymphangiogenesis and vascular endothelial growth factor (VEGF)-C in predicting metastatic risk in patients with cutaneous melanoma. METHODS: One hundred melanoma specimens were stained with lymphatic-specific antibody D2-40 and with anti-VEGF-C antibody...
July 8, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28753156/-adipose-derived-stem-cells-and-vascularized-lymph-node-transfers-successfully-treat-mouse-hindlimb-secondary-lymphedema-by-early-reconnection-of-the-lymphatic-system-and-lymphangiogenesis
#9
Chenglong Wang, Jie Luan, Minqiang Xin
No abstract text is available yet for this article.
July 15, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28753154/adipose-derived-stem-cells-and-vascularized-lymph-node-transfers-successfully-treat-mouse-hindlimb-secondary-lymphedema-by-early-reconnection-of-the-lymphatic-system-and-lymphangiogenesis
#10
https://www.readbyqxmd.com/read/28739604/s1pr1-on-tumor-associated-macrophages-promotes-lymphangiogenesis-and-metastasis-via-nlrp3-il-1%C3%AE
#11
Benjamin Weichand, Rüdiger Popp, Sarah Dziumbla, Javier Mora, Elisabeth Strack, Eiman Elwakeel, Ann-Christin Frank, Klaus Scholich, Sandra Pierre, Shahzad N Syed, Catherine Olesch, Julia Ringleb, Bilge Ören, Claudia Döring, Rajkumar Savai, Michaela Jung, Andreas von Knethen, Bodo Levkau, Ingrid Fleming, Andreas Weigert, Bernhard Brüne
Metastasis is the primary cause of cancer death. The inflammatory tumor microenvironment contributes to metastasis, for instance, by recruiting blood and lymph vessels. Among tumor-infiltrating immune cells, tumor-associated macrophages (TAMs) take a center stage in promoting both tumor angiogenesis and metastatic spread. We found that genetic deletion of the S1P receptor 1 (S1pr1) alone in CD11b(hi) CD206(+) TAMs infiltrating mouse breast tumors prevents pulmonary metastasis and tumor lymphangiogenesis. Reduced lymphangiogenesis was also observed in the nonrelated methylcholanthrene-induced fibrosarcoma model...
July 24, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28730071/effect-of-sorafenib-in-a-murine-high-risk-penetrating-keratoplasty-model
#12
Yang Kyung Cho, Eun Young Shin, Hironori Uehara, Balamurali K Ambati
AIM: To evaluate the effect of sorafenib in murine high risk keratoplasty model. METHODS: Graft survival, corneal neovascularization, and corneal lymphangiogenesis were compared among the sorafenib, dexamethasone, dimethyl sulfoxide (DMSO), and phosphate buffered saline (PBS) groups following subconjunctival injection in mice that underwent high risk penetrating keratoplasty (HRPK). Real-time polymerase chain reaction was performed to quantify the expression of inflammatory cytokines and vascular endothelial growth factor (VEGF)-A, VEGF-C, vascular endothelial growth factor receptor (VEGFR)-2, VEGFR-3...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28728794/myeloid-suppressor-cells-in-cancer-and-autoimmunity
#13
REVIEW
Antonio Sica, Marco Massarotti
A bottleneck for immunotherapy of cancer is the immunosuppressive microenvironment in which the tumor cells proliferate. Cancers harness the immune regulatory mechanism that prevents autoimmunity from evading immunosurveillance and promoting immune destruction. Regulatory T cells, myeloid suppressor cells, inhibitory cytokines and immune checkpoint receptors are the major components of the immune system acting in concert with cancer cells and causing the subversion of anti-tumor immunity. This redundant immunosuppressive network poses an impediment to efficacious immunotherapy by facilitating tumor progression...
July 17, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28727496/modulation-of-vegf-induced-migration-and-network-formation-by-lymphatic-endothelial-cells-roles-of-platelets-and-podoplanin
#14
Stacey A Langan, Leyre Navarro-Núñez, Steve P Watson, Gerard B Nash
Lymphatic endothelial cells (LEC) express the transmembrane receptor podoplanin whose only known endogenous ligand CLEC-2 is found on platelets. Both podoplanin and CLEC-2 are required for normal lymphangiogenesis as mice lacking either protein develop a blood-lymphatic mixing phenotype. We investigated the roles of podoplanin and its interaction with platelets in migration and tube formation by LEC. Addition of platelets or antibody-mediated crosslinking of podoplanin inhibited LEC migration induced by vascular endothelial growth factors (VEGF-A or VEGF-C), but did not modify basal migration or the response to basic fibroblast growth factor or epidermal growth factor...
July 20, 2017: Platelets
https://www.readbyqxmd.com/read/28723974/alginate-hydrogels-allow-for-bioactive-and-sustained-release-of-vegf-c-and-vegf-d-for-lymphangiogenic-therapeutic-applications
#15
Kevin T Campbell, Dustin J Hadley, David L Kukis, Eduardo A Silva
Lymphatic dysfunction is associated with the progression of many cardiovascular disorders due to their role in maintaining tissue fluid homeostasis. Promoting new lymphatic vessels (lymphangiogenesis) is a promising strategy to reverse these cardiovascular disorders via restoring lymphatic function. Vascular endothelial growth factor (VEGF) members VEGF-C and VEGF-D are both potent candidates for stimulating lymphangiogenesis, though maintaining spatial and temporal control of these factors represents a challenge to developing efficient therapeutic lymphangiogenic applications...
2017: PloS One
https://www.readbyqxmd.com/read/28709135/inhibition-of-lymphangiogenesis-impairs-antitumour-effects-of-photodynamic-therapy-and-checkpoint-inhibitors-in-mice
#16
Angelika Muchowicz, Malgorzata Wachowska, Joanna Stachura, Katarzyna Tonecka, Magdalena Gabrysiak, Dominika Wołosz, Zofia Pilch, Witold W Kilarski, Louis Boon, Tomasz J Klaus, Jakub Golab
Photodynamic therapy (PDT) has been shown to destroy tumour-associated lymphatic vessels. Therefore, we sought to investigate the functional outcomes of PDT-mediated damage to the lymphatic vessels. We observed that PDT with verteporfin, completely but transiently, blocks the functional lymphatic drainage in the orthotopic mammary tumour models. Sustained inhibition of lymphatic vessels regeneration induced by lenalidomide or the soluble form of vascular endothelial growth factor receptor 3 (sVEGFR3) that neutralises lymphangiogenic vascular endothelial growth factor C (VEGF-C), significantly impaired antitumour efficacy of PDT...
July 11, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28695321/angiogenesis-and-lymphangiogenesis-in-the-adrenocortical-tumors
#17
Sofia S Pereira, Madalena M Costa, Susana G Guerreiro, Mariana P Monteiro, Duarte Pignatelli
Adrenocortical tumors (ACT) are common adrenal tumors. The majority of ACTs are non-functioning and benign, while adrenocortical carcinomas (ACC) are rare, usually very aggressive and often metastasized when first diagnosed. Our aim was to assess whether blood and lymph vessel density within ACTs correlate with the malignancy character or tumor functionality. For that, the microvascular distribution was evaluated by immunohistochemistry staining with D2-40 antibody, for lymph vessels and CD-31 antibody, for blood vessels, in ACCs (n = 15), adenomas with Cushing syndrome (n = 9) and non-functioning adenomas (n = 10)...
July 10, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28687807/efficient-activation-of-the-lymphangiogenic-growth-factor-vegf-c-requires-the-c-terminal-domain-of-vegf-c-and-the-n-terminal-domain-of-ccbe1
#18
Sawan Kumar Jha, Khushbu Rauniyar, Terhi Karpanen, Veli-Matti Leppänen, Pascal Brouillard, Miikka Vikkula, Kari Alitalo, Michael Jeltsch
The collagen- and calcium-binding EGF domains 1 (CCBE1) protein is necessary for lymphangiogenesis. Its C-terminal collagen-like domain was shown to be required for the activation of the major lymphangiogenic growth factor VEGF-C (Vascular Endothelial Growth Factor-C) along with the ADAMTS3 (A Disintegrin And Metalloproteinase with Thrombospondin Motifs-3) protease. However, it remained unclear how the N-terminal domain of CCBE1 contributed to lymphangiogenic signaling. Here, we show that efficient activation of VEGF-C requires its C-terminal domain both in vitro and in a transgenic mouse model...
July 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28687568/a-lymphoreporter-mouse-model-identifies-midkine-as-a-metastasis-driver
#19
(no author information available yet)
Midkine systemically induces neo-lymphangiogenesis via mTOR signaling in patients with melanoma.
July 7, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28680444/lymphangiogenesis-in-oral-squamous-cell-carcinoma-correlation-with-vegf-c-expression-and-lymph-node-metastasis
#20
Manar A Abdul-Aziz, Amina K Amin, Dalia H El-Rouby, Olfat G Shaker
BACKGROUND: Oral squamous cell carcinoma (OSCC) is the most common oral malignancy that preferentially spreads to the cervical lymph node which, when involved, complicates the anticancer therapy and threatens the patient life. It was suggested that lymph node metastasis may be facilitated by lymphangiogenesis. VEGF-C is one of the most important lymphangiogenic inducers that promotes the lymphatic vessels growth and supports the survival of adult lymphatic endothelial cells. METHODS: Lymphatic vessels density (LVD) and LV morphometry were digitally evaluated using D2-40...
2017: International Journal of Dentistry
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