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https://www.readbyqxmd.com/read/28545716/connective-tissue-growth-factor-regulates-fibrosis-associated-renal-lymphangiogenesis
#1
Hiroshi Kinashi, Lucas L Falke, Tri Q Nguyen, Niels Bovenschen, Jan Aten, Andrew Leask, Yasuhiko Ito, Roel Goldschmeding
Lymphangiogenesis is correlated with the degree of renal interstitial fibrosis. Pro-fibrotic transforming growth factor β induces VEGF-C production, the main driver of lymphangiogenesis. Connective tissue growth factor (CTGF) is an important determinant of fibrotic tissue remodeling, but its possible involvement in lymphangiogenesis has not been explored. We found prominent lymphangiogenesis during tubulointerstitial fibrosis to be associated with increased expression of CTGF and VEGF-C in human obstructed nephropathy as well as in diabetic kidney disease...
May 23, 2017: Kidney International
https://www.readbyqxmd.com/read/28544329/dissolving-microneedle-arrays-for-transdermal-delivery-of-amphiphilic-vaccines
#2
Myunggi An, Haipeng Liu
Amphiphilic vaccine based on lipid-polymer conjugates is a new type of vaccine capable of self-delivering to the immune system. When injected subcutaneously, amphiphilic vaccines efficiently target antigen presenting cells in the lymph nodes (LNs) via a unique albumin-mediated transport and uptake mechanism and induce potent humoral and cellular immune responses. However, whether this new type of vaccine can be administrated via a safe, convenient microneedle-based transdermal approach remains unstudied. For such skin barrier-disruption systems, a simple application of microneedle arrays (MNs) is desired to disrupt the stratum corneum, and for rapid and pain-free self-administration of vaccines into the skin, the anatomic place permeates with an intricate mesh of lymphatic vessels draining to LNs...
May 19, 2017: Small
https://www.readbyqxmd.com/read/28543945/indirect-computed-tomography-lymphangiography-with-aqueous-contrast-for-evaluation-of-sentinel-lymph-nodes-in-dogs-with-tumors-of-the-head
#3
Janet A Grimes, Scott A Secrest, Nicole C Northrup, Corey F Saba, Chad W Schmiedt
Sentinel lymph node evaluation is widely used in human medicine to evaluate the first lymph node(s) to which a tumor drains. Sentinel lymph node biopsy allows avoidance of extensive lymphadenectomies in cases where the sentinel lymph node is negative for metastasis, thereby reducing patient morbidity. It has been shown that regional lymph nodes are not always the sentinel lymph node, thus identification and sampling of sentinel lymph nodes allows for more accurate staging, which is critical for treatment and prognostication in dogs with cancer...
May 21, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28543394/bullous-morphoea-a-retrospective-study
#4
M Venturi, A L Pinna, L Pilloni, L Atzori, C Ferreli, F Rongioletti
Bullous morphoea is a rare variant of localized scleroderma whose pathogenesis has been widely discussed. We retrospectively reviewed the records of all histopathologically confirmed cases of morphoea followed from 2005 to 2015 at the Dermatology Clinic and Pathology Institute of the University of Cagliari, Sardinia, Italy. Among 137 patients with morphoea, 2 cases of the bullous variant were identified, which were successfully treated with methotrexate. Thus, the bullous form comprised 1.4% of all cases of morphoea, which is much lower than the 7...
May 22, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28541427/percutaneous-cannulation-for-cardiopulmonary-bypass-in-minimally-invasive-surgery-is-associated-with-reduced-groin-complications
#5
Alexandros Moschovas, Paulo A Amorim, Mariana Nold, Gloria Faerber, Mahmoud Diab, Tobias Buenger, Torsten Doenst
OBJECTIVES: Femoral cutdown is standard in most centres if groin cannulation is used for cardiopulmonary bypass in minimally invasive cardiac surgery (MICS). Arterial closure devices (ACDs) allow placement of larger cannulas percutaneously, but its benefit in MICS is unclear. We assessed our results with percutaneous groin cannulation using ACDs in comparison with conventional surgical access in patients undergoing MICS. METHODS: We reviewed 445 consecutive patients having undergone MICS between October 2010 and March 2015...
May 25, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28538568/comparison-of-lymphovenous-shunt-methods-in-a-rat-model-supermicrosurgical-lymphaticovenular-anastomosis-versus-microsurgical-lymphaticovenous-implantation
#6
Ryohei Ishiura, Takumi Yamamoto, Takahumi Saito, Daisuke Mito, Takuya Iida
BACKGROUND: Lymphaticovenular anastomosis and lymphaticovenous implantation are the most popular lymphovenous shunt operations for the treatment of obstructive lymphedema. However, no study has been reported regarding direct comparison between lymphaticovenular anastomosis and lymphaticovenous implantation. This study aimed to compare postoperative patency of lymphaticovenular anastomosis and lymphaticovenous implantation using a rat model. METHODS: Twelve Wistar rats were used for the study...
June 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28537573/vascular-heterogeneity-and-specialization-in-development-and-disease
#7
REVIEW
Michael Potente, Taija Mäkinen
Blood and lymphatic vessels pervade almost all body tissues and have numerous essential roles in physiology and disease. The inner lining of these networks is formed by a single layer of endothelial cells, which is specialized according to the needs of the tissue that it supplies. Whereas the general mechanisms of blood and lymphatic vessel development are being defined with increasing molecular precision, studies of the processes of endothelial specialization remain mostly descriptive. Recent insights from genetic animal models illuminate how endothelial cells interact with each other and with their tissue environment, providing paradigms for vessel type- and organ-specific endothelial differentiation...
May 24, 2017: Nature Reviews. Molecular Cell Biology
https://www.readbyqxmd.com/read/28530642/rasa1-regulates-the-function-of-lymphatic-vessel-valves-in-mice
#8
Philip E Lapinski, Beth A Lubeck, Di Chen, Abbas Doosti, Scott D Zawieja, Michael J Davis, Philip D King
Capillary malformation-arteriovenous malformation (CM-AVM) is a blood and lymphatic vessel (LV) disorder that is caused by inherited inactivating mutations of the RASA1 gene, which encodes p120 RasGAP (RASA1), a negative regulator of the Ras small GTP-binding protein. How RASA1 mutations lead to the LV leakage defects that occur in CM-AVM is not understood. Here, we report that disruption of the Rasa1 gene in adult mice resulted in loss of LV endothelial cells (LECs) specifically from the leaflets of intraluminal valves in collecting LVs...
May 22, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28521639/the-discovery-of-the-lymphatic-system-in-the-seventeenth-century-part-iv-the-controversy
#9
Raphael Suy, Sarah Thomis, Inge Fourneau
A controversy over the transport of chyle and lymph started a few weeks after the publication of Pecquet's Experimenta Nova Anatomica. There are records of nearly seventy people who had an active interest in this matter. Three issues were discussed: the purpose of the liver and especially its haematopoietic function, the capacity of the thoracic duct to transport all chyle, and the purpose of the lymph vessels. The controversy over the use of the lacteals and the lymph vessels subsided about 20 years after the first publication of the new theories...
May 19, 2017: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/28521475/microrna-1258-an-invasion-and-metastasis-regulator-that-targets-heparanase-in-gastric-cancer
#10
Jinxin Shi, Ping Chen, Jingxu Sun, Yongxi Song, Bin Ma, Peng Gao, Xiaowan Chen, Zhenning Wang
Numerous microRNAs (miRNAs/miRs) are involved in suppressing or promoting the formation of cancer. However, to the best of our knowledge, the role of miRNA-1258 in gastric cancer (GC) has not previously been investigated. Our previous study demonstrated an increased expression of heparanase (HPSE) in GC tissues and HPSE-facilitated invasion and metastasis of GC cells. Consequently, in the present study, the function of miR-1258 in the invasion and metastasis of GC cells was investigated to determine whether miR-1258 is associated with GC through HPSE...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28516467/lymph-vessel-thrombus-detection-in-cervical-lymphedema-a-case-series
#11
Georg Kunze, Martin Staritz
Although thrombosis in the terminal part of thoracic duct has been described in patients with head and neck cancer and upper vein thrombosis, normally medical imaging is not successful in depicting such lymphatic thrombosis. This case series is about three patients with acute onset of cervical lymphedema following minor trauma or exceptional physical strain. Using high-resolution ultrasound, it was possible to detect a thrombus formation in the terminal parts of the thoracic duct or the lymph duct. Within a few weeks all patients recovered without relapse for several years...
May 18, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28514957/high-lymphatic-vessel-density-and-presence-of-lymphovascular-invasion-both-predict-poor-prognosis-in-breast-cancer
#12
Song Zhang, Dong Zhang, Mingfu Gong, Li Wen, Cuiwei Liao, Liguang Zou
BACKGROUND: Lymphatic vessel density and lymphovascular invasion are commonly assessed to identify the clinicopathological outcomes in breast cancer. However, the prognostic values of them on patients' survival are still uncertain. METHODS: Databases of PubMed, Embase, and Web of Science were searched from inception up to 30 June 2016. The hazard ratio with its 95% confidence interval was used to determine the prognostic effects of lymphatic vessel density and lymphovascular invasion on disease-free survival and overall survival in breast cancer...
May 17, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28511775/alpha-fetoprotein-is-a-significant-prognostic-factor-for-gastric-cancer-results-from-a-propensity-score-matching-analysis-after-curative-resection
#13
D Reim, Y-S Choi, H M Yoon, B Park, B W Eom, M-C Kook, K W Ryu, I J Choi, J Joo, Y-W Kim
BACKGROUND: Prognosis of alpha-fetoprotein positive gastric cancer (AFPP-GC) remains elusive so far due to disparities in cohort size and baseline characteristics in previous studies. A propensity score matching (PSM) analysis as well as multivariable model was performed for unbiased evaluation of the outcome in AFPGC. METHODS: Among 3034 gastric cancer patients who underwent curative gastric cancer surgery (R0, M0) at the National Cancer Center, Korea between 2002 and 2007, we identified 97 patients being positive for AFP either by elevation of serum-AFP levels >10 μg/L or by immunohistochemical staining...
May 3, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28507145/in-vivo-photolabeling-of-tumor-infiltrating-cells-reveals-highly-regulated-egress-of-t-cell-subsets-from-tumors
#14
Tommaso Torcellan, Henry R Hampton, Jacqueline Bailey, Michio Tomura, Robert Brink, Tatyana Chtanova
Immune therapy is rapidly gaining prominence in the clinic as a major weapon against cancer. Whereas much attention has been focused on the infiltration of tumors by immune cells, the subsequent fate of these infiltrates remains largely unexplored. We therefore established a photoconversion-based model that allowed us to label tumor-infiltrating immune cells and follow their migration. Using this system, we identified a population of tumor-experienced cells that emigrate from primary tumors to draining lymph nodes via afferent lymphatic vessels...
May 15, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28506987/development-of-the-larval-lymphatic-system-in-the-zebrafish
#15
Hyun Min Jung, Daniel Castranova, Matthew R Swift, Van N Pham, Marina Venero Galanternik, Sumio Isogai, Matthew G Butler, Timothy S Mulligan, Brant M Weinstein
The lymphatic vascular system is a hierarchically organized complex network essential for tissue fluid homeostasis, immune trafficking, and absorption of dietary fats in the human body. Despite its importance, the assembly of the lymphatic network is still not fully understood. The zebrafish is a powerful model organism that enables study of lymphatic vessel development using high-resolution imaging and sophisticated genetic and experimental manipulation. Although several studies have described early lymphatic development in the fish, lymphatic development at later stages has not been completely elucidated...
May 15, 2017: Development
https://www.readbyqxmd.com/read/28505675/-anti-lymph-angiogenic-strategies-to-improve-corneal-graft-survival
#16
Felix Bock, Claus Cursiefen
Corneal transplantation (keratoplasty) is the most frequently performed form of transplantation worldwide. A rejection reaction against the transplant is the main complication occurring after transplantation in an already vascularized, so-called "high-risk" recipient eye. Our group has shown that clinically invisible lymphatic vessels play a crucial role in the induction of a rejection reaction against the corneal graft, and that anti-(lymph)angiogenic therapies in the mouse model of keratoplasty can significantly improve transplant survival...
May 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28504698/dendritic-cells-enter-lymph-vessels-by-hyaluronan-mediated-docking-to-the-endothelial-receptor-lyve-1
#17
Louise A Johnson, Suneale Banerji, William Lawrance, Uzi Gileadi, Gennaro Prota, Kayla A Holder, Yaowaluck M Roshorm, Tomáš Hanke, Vincenzo Cerundolo, Nicholas W Gale, David G Jackson
Trafficking of tissue dendritic cells (DCs) via lymph is critical for the generation of cellular immune responses in draining lymph nodes (LNs). In the current study we found that DCs docked to the basolateral surface of lymphatic vessels and transited to the lumen through hyaluronan-mediated interactions with the lymph-specific endothelial receptor LYVE-1, in dynamic transmigratory-cup-like structures. Furthermore, we show that targeted deletion of the gene Lyve1, antibody blockade or depletion of the DC hyaluronan coat not only delayed lymphatic trafficking of dermal DCs but also blunted their capacity to prime CD8(+) T cell responses in skin-draining LNs...
May 15, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28500279/new-navigation-surgery-for-resection-of-lymphatic-malformations-using-indocyanine-green-fluorescence-imaging
#18
Chiyoe Shirota, Akinari Hinoki, Masataka Takahashi, Yujiro Tanaka, Takahisa Tainaka, Wataru Sumida, Naruhiko Murase, Kazuo Oshima, Ryo Shirotsuki, Kosuke Chiba, Yuji Morimoto, Hiroo Uchida
BACKGROUND We used indocyanine green (ICG) fluorescence imaging to completely resect lymphatic malformations (LMs). This is the first report of navigation surgery utilizing ICG fluorescence imaging for resection of LMs. CASE REPORT A 15-year-old boy was diagnosed with LMs in the abdominal wall. The extent of the tumor was determined by an ultrasound, and ICG (Diagnogreen®, Daiichi-Sankyo Pharma, Tokyo, Japan) was injected subcutaneously and intradermally into the core and 2 marginal regions of the tumor (3 injections in total), respectively...
May 13, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28497372/scara5-plays-a-critical-role-in-the-progression-and-metastasis-of-breast-cancer-by-inactivating-the-erk1-2-stat3-and-akt-signaling-pathways
#19
Kai You, Fei Su, Lihua Liu, Xiaohong Lv, Jianguo Zhang, Yafang Zhang, Baoquan Liu
Scavenger receptor class A member 5 (SCARA5) is a candidate anti-oncogene in several malignancies. However, whether SCARA5 is a suppressor gene in breast cancer and its role in breast cancer cell growth and metastasis remain to be determined. Here, we investigated the biological functions of SCARA5 in the progression and metastasis of breast cancer and explored the underlying mechanisms. A total of 65 breast cancer patients and three cell lines (ZR-75-30, MCF-7, and MDA-MB-231) were analyzed in the study. RT-qPCR, western blotting, and immunohistochemistry were used to detect mRNA and protein expression, and lymphatic vessel density (LVD) and microvessel density (MVD)...
May 11, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28492519/theranostic-probes-for-targeting-tumor-microenvironment-an-overview
#20
REVIEW
Musafar Gani Sikkandhar, Anu Maashaa Nedumaran, Roopa Ravichandar, Satnam Singh, Induja Santhakumar, Zheng Cong Goh, Sachin Mishra, Govindaraju Archunan, Balázs Gulyás, Parasuraman Padmanabhan
Long gone is the time when tumors were thought to be insular masses of cells, residing independently at specific sites in an organ. Now, researchers gradually realize that tumors interact with the extracellular matrix (ECM), blood vessels, connective tissues, and immune cells in their environment, which is now known as the tumor microenvironment (TME). It has been found that the interactions between tumors and their surrounds promote tumor growth, invasion, and metastasis. The dynamics and diversity of TME cause the tumors to be heterogeneous and thus pose a challenge for cancer diagnosis, drug design, and therapy...
May 11, 2017: International Journal of Molecular Sciences
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