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https://www.readbyqxmd.com/read/28920924/impaired-angiopoietin-tie2-signaling-compromises-schlemm-s-canal-integrity-and-induces-glaucoma
#1
Jaeryung Kim, Dae-Young Park, Hosung Bae, Do Young Park, Dongkyu Kim, Choong-Kun Lee, Sukhyun Song, Tae-Young Chung, Dong Hui Lim, Yoshiaki Kubota, Young-Kwon Hong, Yulong He, Hellmut G Augustin, Guillermo Oliver, Gou Young Koh
Primary open-angle glaucoma (POAG) is often caused by elevated intraocular pressure (IOP), which arises due to increased resistance to aqueous humor outflow (AHO). Aqueous humor flows through Schlemm's canal (SC), a lymphatic-like vessel encircling the cornea, and via intercellular spaces of ciliary muscle cells. However, the mechanisms underlying increased AHO resistance are poorly understood. Here, we demonstrate that signaling between angiopoietin (Angpt) and the Angpt receptor Tie2, which is critical for SC formation, is also indispensable for maintaining SC integrity during adulthood...
September 18, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28920026/giant-cervico-thoracic-cystic-hygroma-in-a-preterm-a-case-report
#2
Rahul Mansing Kadam, A Narendra Kumar, Vsv Prasad, Sudha Boda
Cystic hygroma is a benign, painless loculated lymphatic proliferation, which occur due to a combination of sequestration from developing lymphatic system, abnormal budding of the lymphatic system or lack of development of the normal connections between venous and lymphatic drainage. We report a case of giant cervico-thoracic cystic hygroma in a preterm neonate with management options and a brief review of literature.
July 2017: Journal of Neonatal Surgery
https://www.readbyqxmd.com/read/28919095/laparoscopic-near-infrared-fluorescent-imaging-as-an-alternative-option-for-sentinel-lymph-node-mapping-in-endometrial-cancer-a-prospective-study
#3
Salih Taşkın, Yavuz Emre Şükür, Duygu Altın, Cevriye Cansız Ersöz, Batuhan Turgay, Duygu Kankaya, Mete Güngör, Fırat Ortaç
BACKGROUND: To evaluate feasibility of sentinel lymph node (SLN) mapping by using near-infrared fluorescent imaging and indocyanine green (NIR/ICG) integrated laparoscopic system in clinically uterine-confined endometrial cancer. MATERIALS AND METHODS: Patients with clinically early-stage endometrial cancer were included in this prospective study. ICG was injected to the uterine cervix and NIR/ICG integrated laparoscopic system (Spies Full HD D-Light P ICG technology, Karl Storz, Tuttlingen, Germany) was used during the operations...
September 14, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28917953/migratory-capacity-and-function-of-dendritic-cells-from-mesenteric-afferent-lymph-nodes-after-feeding-a-single-dose-of-vitamin-a
#4
Ivanna Novotny Nuñez, Bibiana E Barrios, Lisa Macció-Maretto, Silvia G Correa
Lamina propria dendritic cells (DCs) have a permanent turnover with constitutive migration to mesenteric lymph nodes and replenishment by progenitors. Luminal bacteria and dietary constituents provide key signals that endow DCs their unique properties in vivo. Taking into account that the intestinal immune system is greatly influenced by retinoids, we evaluated in B6 mice 3, 8, 16 and 24 h after feeding a single dose of vitamin A phenotype and function of cells present in mesenteric afferent lymph nodes as well as signals involved in migration...
August 24, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28916967/combined-analysis-of-the-pre-and-postoperative-neutrophil-lymphocyte-ratio-predicts-the-outcomes-of-patients-with-gastric-cancer
#5
Kozo Miyatani, Hiroaki Saito, Yusuke Kono, Yuki Murakami, Hirohiko Kuroda, Tomoyuki Matsunaga, Yoji Fukumoto, Tomohiro Osaki, Keigo Ashida, Yoshiyuki Fujiwara
PURPOSE: The neutrophil-lymphocyte ratio (NLR) is a biochemical marker of the systemic inflammatory response and has been associated with prognosis for various types of cancer. This retrospective study investigates the relationship between the pre- and postoperative NLR and the prognosis of gastric cancer patients. METHODS: The subjects were 280 patients who underwent curative surgery for histopathologically diagnosed gastric adenocarcinoma. RESULTS: The preoperative NLR was significantly correlated with tumor size, tumor depth, lymphatic invasion, venous invasion, and disease stage...
September 15, 2017: Surgery Today
https://www.readbyqxmd.com/read/28914298/folic-acid-on-iron-oxide-nanoparticles-platform-with-high-potential-for-simultaneous-targeting-mri-detection-and-hyperthermia-treatment-of-lymph-node-metastases-of-prostate-cancer
#6
Debora Bonvin, Jessica A M Bastiaansen, Matthias Stuber, Heinrich Hofmann, Marijana Mionić Ebersold
The overexpression of the folate receptor in most cancers has been widely exploited to specifically deliver folic acid (FA) coupled nanomedicines to tumors. However, complex coupling chemistry is often used to bind FA to the nanoparticles. Furthermore, very little has been reported for the targeting of nanomedicines to lymph node metastases (LNMs) of prostate cancer. We here report the simple and aqueous coating of iron oxide nanoparticles (IONPs) with FA for theranostics of LNMs of prostate cancer. FA was directly bound to the IONPs' surface without the use of any linker, simultaneously playing the role of the coating molecule and targeting agent...
September 15, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28912637/prognostic-impact-of-extracapsular-lymph-node-invasion-and-myofibroblastic-activity-in-extrahepatic-bile-duct-cancer
#7
Tadashi Yoshizawa, Keinosuke Ishido, Kensuke Saito, Toshihiro Haga, Hiroko Seino, Yunyan Wu, Satoko Morohashi, Kenichi Hakamada, Hiroshi Kijima
Extrahepatic bile duct carcinoma is a potentially malignant gastrointestinal lesion. Cancer cells spread via the lymphatic system to regional lymph nodes and help in tumor progression. However, there are no reports on the prognostic impact of extracapsular lymph node invasion and myofibroblastic activity in this cancer. Hence, we classified the histopathologic patterns of lymph nodes into 2 patterns: extracapsular lymph node invasion or not. Based on this, we investigated 32 cases of extrahepatic bile duct cancer with lymph node metastasis and classified 21 cases as positive and 11 cases as negative...
2017: Clinical Medicine Insights. Pathology
https://www.readbyqxmd.com/read/28911663/recent-advances-in-oral-delivery-of-drugs-and-bioactive-natural-products-using-solid-lipid-nanoparticles-as-the-carriers
#8
REVIEW
Chih-Hung Lin, Chun-Han Chen, Zih-Chan Lin, Jia-You Fang
Chemical and enzymatic barriers in the gastrointestinal (GI) tract hamper the oral delivery of many labile drugs. The GI epithelium also contributes to poor permeability for numerous drugs. Drugs with poor aqueous solubility have difficulty dissolving in the GI tract, resulting in low bioavailability. Nanomedicine provides an opportunity to improve the delivery efficiency of orally administered drugs. Solid lipid nanoparticles (SLNs) are categorized as a new generation of lipid nanoparticles consisting of a complete solid lipid matrix...
April 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28903392/a-role-for-brg1-in-the-regulation-of-genes-required-for-development-of-the-lymphatic-system
#9
Ajeet Pratap Singh, Julie Foley, Arpit Tandon, Dhiral Phadke, H Karimi Kinyamu, Trevor K Archer
Lymphatic vasculature is an important part of the cardiovascular system with multiple functions, including regulation of the return of interstitial fluid (lymph) to the bloodstream, immune responses, and fat absorption. Consequently, lymphatic vasculature defects are involved in many pathological processes, including tumor metastasis and lymphedema. BRG1 is an important player in the developmental window when the lymphatic system is initiated. In the current study, we used tamoxifen inducible Rosa26CreERT2-BRG1(floxed/floxed) mice that allowed temporal analysis of the impact of BRG1 inactivation in the embryo...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28903061/lymphatic-drainage-system-of-the-brain-a-novel-target-for-intervention-of-neurological-diseases
#10
REVIEW
Bao-Liang Sun, Li-Hua Wang, Tuo Yang, Lei-Lei Mao, Jing-Yi Sun, Ming-Feng Yang, Hui Yuan, Robert A Colvin, Xiao-Yi Yang
The belief that the vertebrate brain functions normally without classical lymphatic drainage vessels has been held for many decades. On the contrary, new findings show that functional lymphatic drainage does exist in the brain. The brain lymphatic drainage system is composed of basement membrane-based perivascular pathway, a brain-wide glymphatic pathway, and cerebrospinal fluid (CSF) drainage routes including sinus-associated meningeal lymphatic vessels and olfactory/cervical lymphatic routes. The brain lymphatic systems function physiological as a route of drainage for interstitial fluid (ISF) from brain parenchyma to nearby lymph nodes...
September 10, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28902176/pharmacokinetic-and-toxicodynamic-characterization-of-a-novel-doxorubicin-derivative
#11
Samaa Alrushaid, Casey L Sayre, Jaime A Yáñez, M Laird Forrest, Sanjeewa N Senadheera, Frank J Burczynski, Raimar Löbenberg, Neal M Davies
Doxorubicin (Dox) is an effective anti-cancer medication with poor oral bioavailability and systemic toxicities. DoxQ was developed by conjugating Dox to the lymphatically absorbed antioxidant quercetin to improve Dox's bioavailability and tolerability. The purpose of this study was to characterize the pharmacokinetics and safety of Dox after intravenous (IV) and oral (PO) administration of DoxQ or Dox (10 mg/kg) and investigate the intestinal lymphatic delivery of Dox after PO DoxQ administration in male Sprague-Dawley rats...
September 13, 2017: Pharmaceutics
https://www.readbyqxmd.com/read/28901223/the-lymphatic-system-the-achilles-heel-of-the-fontan-kreutzer-circulation
#12
Christian Kreutzer, Guillermo Kreutzer
In spite of excellent long term survival the Fontan Kreutzer procedure commonly presents late failure due to end-organ damage. Several advances have been described to refine single ventricle management and surgical techniques. However, very little research has been dedicated to the lymphatic circulation in the precarious Fontan hemodynamic state. The lymphatic circulation is clearly affected since there is increased lymph production, which requires to be drained at a similar or higher pressure than it is produced, commonly resulting in chronic lymphedema...
September 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28900985/-interpretation-and-evaluation-of-the-american-joint-committee-on-cancer-ajcc-8th-edition-staging-system-for-patients-with-gastroenteropancreatic-neuroendocrine-tumors
#13
Luohai Chen, Zhiwei Zhou, Jie Chen
American Joint Committeeon Cancer (AJCC) released the eighth edition staging system manual in October 2016. Based on the shortcomings in the seventh edition of AJCC staging system, staging classifications for gastroenteropancreatic neuroendocrine tumor (GEP-NET) were updated. The changes are as follow: small intestinal NET was divided into two groups, duodenal and jejunoileal NET and lymphatic metastasis was redefined into N1 and N2 in jejunoileal NET; stages were condensed except colorectal NET; the staging classification for pancreatic NET proposed by European Neuroendocrine Tumor Society(ENETS) was adopted...
September 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28898915/-current-therapies-in-superficial-malignant-tumors
#14
Simone Luisa Scholz, Anja Eckstein, Dirk Dekowski, Joachim Esser, Henrike Westekemper, Klaus P Steuhl
This article is a review of diagnostic and therapeutic possibilities in common epibulbar malignant tumors, such as basal cell carcinoma, conjunctival lymphoma, squamous cell carcinoma and conjunctival melanoma. Most importantly, for every tumor patient there is a detailed anamnesis, split lamp examination and photo documentation. Further regular controls after therapy are required due to the risk of recurrences.Basal cell carcinoma is the most common tumor of the periocular skin, divided into three subtypes (nodular, superficial and morphea)...
September 12, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28898672/a-bmpy-road-for-venous-development
#15
Lauren M Goddard, Mark L Kahn
Detailed molecular pathways for the specific growth of arteries and lymphatic vessels have been identified, but the mechanisms controlling venous vessel growth have been obscure. Tischfield and colleagues (2017) shed new light on this problem by identifying a role for BMP signaling in development of the cerebral venous system.
September 11, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28893026/superior-vena-cava-as-gateway-to-heart-metastatic-breast-carcinoma-causing-ball-in-a-loop-metastasis-to-right-atrium
#16
Harpreet Singh Sandhu, Sampath Kumar Mahadevappa Mahendrakar, Sulaiman Sadruddin Ladhani, Azizullah Hafizullah Khan, Yunus Shafi Loya
Breast carcinoma is the most common invasive cancer in women worldwide. It metastasizes commonly to bone, lungs, regional lymph nodes and brain. Cardiac metastasis of lung and breast cancers is a known but rare complication of advanced disease with tumour metastasising to pericardium via the locoregional lymphatic system. Here we present a case of 59-year-old female presenting with right upper limb oedema, facial puffiness and features of Superior Vena Cava (SVC) syndrome 15 years after mastectomy and adjuvant chemotherapy, radiotherapy for carcinoma of the right breast...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28892178/review-article-the-diagnostic-approach-and-current-management-of-chylous-ascites
#17
REVIEW
B Lizaola, A Bonder, H D Trivedi, E B Tapper, A Cardenas
BACKGROUND: Chylous ascites is rare, accounting for less than 1% of cases. An appropriate and stepwise approach to its diagnosis and management is of key importance. AIM: To review the current diagnostic approach and management of chylous ascites. METHODS: A literature search was conducted using PubMed using the key words 'chylous', 'ascites', 'cirrhosis', 'pathophysiology', 'nutritional therapy', 'paracentesis", "transjugular intrahepatic portosystemic shunt" and "TIPSS'...
September 11, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28887099/enhancing-biopharmaceutical-performance-of-an-anticancer-drug-by-long-chain-pufa-based-self-nanoemulsifying-lipidic-nanomicellar-system
#18
Rajneet Kaur Khurana, Sarwar Beg, Andrea Julie Burrow, Rakesh K Vashishta, O P Katare, Satvinder Kaur, Prashant Kesherwani, Kamalinder K Singh, Bhupinder Singh
The aim of this study was to develop polyunsaturated fatty acid (PUFA) long chain glyceride (LCG) enriched self-nanoemulsifying lipidic nanomicelles systems (SNELS) for augmenting lymphatic uptake and enhancing oral bioavailability of docetaxel and compare its biopharmaceutical performance with a medium-chain fatty acid glyceride (MCG) SNELS. Equilibrium solubility and pseudo ternary phase studies facilitated the selection of suitable LCG and MCG. The critical material attributes (CMAs) and critical process parameters (CPPs) were earmarked using Placket-Burman Design (PBD) and Fractional Factorial Design (FFD) for LCG- and MCG-SNELS respectively, and nano micelles were subsequently optimized using I- and D-optimal designs...
September 5, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28883015/mouse-models-of-metastasis-progress-and-prospects
#19
REVIEW
Laura Gómez-Cuadrado, Natasha Tracey, Ruoyu Ma, Binzhi Qian, Valerie G Brunton
Metastasis is the spread of cancer cells from a primary tumor to distant sites within the body to establish secondary tumors. Although this is an inefficient process, the consequences are devastating as metastatic disease accounts for >90% of cancer-related deaths. The formation of metastases is the result of a series of events that allow cancer cells to escape from the primary site, survive in the lymphatic system or blood vessels, extravasate and grow at distant sites. The metastatic capacity of a tumor is determined by genetic and epigenetic changes within the cancer cells as well as contributions from cells in the tumor microenvironment...
September 1, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28880720/surgical-treatment-of-primary-lymphedema
#20
Jung Ho Lee, David W Chang
Primary lymphedema is due to abnormal congenital development or dysfunction in the lymphatic system. Limited data exist on the prevalence of primary lymphedema and there are only few studies focusing on primary lymphedema. The purpose of this article is to review the current options for surgical treatment of primary lymphedema.
September 7, 2017: Lymphatic Research and Biology
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