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https://www.readbyqxmd.com/read/29331423/thymidylate-synthase-prompts-metastatic-progression-through-the-dtmp-associated-emt-process-in-pancreatic-ductal-adenocarcinoma
#1
Muxing Kang, Wen Zheng, Qing Chen, Wenjie Qin, Pengping Li, Shifei Huang, Yizhao Zhou, Lantian Wang, Haolei Cai, Wenjie Lu, Biao Jiang, Qingqu Guo, Jian Chen, Dylan Wan, Jianyu Rao, Yulian Wu
As a fundamental metabolic enzyme, anti-Thymidylate synthase (TS) strategy has been shown to be an effective therapy for human cancers. However, the genuine effects of TS in pancreatic ductal adenocarcinoma (PDA) are still conflicting. We systemically assessed the prognostic value and whether TS associated with malignant progression in PDA. Protein and mRNA expression level of TS were evaluated in en bloc PDA samples, the prognostic effect of TS expressed in cytoplasm or cytonuclear was determined separately in the first time...
January 10, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29331268/the-population-biology-and-transmission-dynamics-of-loa-loa
#2
REVIEW
Charles Whittaker, Martin Walker, Sébastien D S Pion, Cédric B Chesnais, Michel Boussinesq, María-Gloria Basáñez
Endemic to Central Africa, loiasis - or African eye worm (caused by the filarial nematode Loa loa) - affects more than 10 million people. Despite causing ocular and systemic symptoms, it has typically been considered a benign condition, only of public health relevance because it impedes mass drug administration-based interventions against onchocerciasis and lymphatic filariasis in co-endemic areas. Recent research has challenged this conception, demonstrating excess mortality associated with high levels of infection, implying that loiasis warrants attention as an intrinsic public health problem...
January 10, 2018: Trends in Parasitology
https://www.readbyqxmd.com/read/29330756/-rheumatoid-symptoms-in-patients-with-hematologic-neoplasms
#3
REVIEW
S Kleinert, P La Rosée, K Krüger
Paraneoplastic syndromes in lymphatic or myeloid neoplasms can present with musculoskeletal symptoms, vasculitis-like or febrile symptoms. Hematologic diseases are also associated with rheumatic diseases whereas inflammatory rheumatic diseases are often associated with an increased risk for lymphoproliferative disease. Atypical disease characteristics, lack of disease-specific antibodies or therapeutic response are red flags for diagnosing paraneoplastic or coexistent malignant diseases. New onset of systemic symptoms, worsening of general condition, night sweats or weight loss need to be considered during follow-up and differential diagnostics...
October 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/29324858/mapping-the-geographical-distribution-of-podoconiosis-in-cameroon-using-parasitological-serological-and-clinical-evidence-to-exclude-other-causes-of-lymphedema
#4
Kebede Deribe, Amuam Andrew Beng, Jorge Cano, Abdel Jelil Njouendo, Jerome Fru-Cho, Abong Raphael Awah, Mathias Esum Eyong, Patrick W Chounna Ndongmo, Emanuele Giorgi, David M Pigott, Nick Golding, Rachel L Pullan, Abdisalan M Noor, Fikre Enquselassie, Christopher J L Murray, Simon J Brooker, Simon I Hay, Peter Enyong, Melanie J Newport, Samuel Wanji, Gail Davey
BACKGROUND: Podoconiosis is a non-filarial elephantiasis, which causes massive swelling of the lower legs. It was identified as a neglected tropical disease by WHO in 2011. Understanding of the geographical distribution of the disease is incomplete. As part of a global mapping of podoconiosis, this study was conducted in Cameroon to map the distribution of the disease. This mapping work will help to generate data on the geographical distribution of podoconiosis in Cameroon and contribute to the global atlas of podoconiosis...
January 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29323343/targeting-lymphatic-function-as-a-novel-therapeutic-intervention-for-rheumatoid-arthritis
#5
REVIEW
Echoe M Bouta, Richard D Bell, Homaira Rahimi, Lianping Xing, Ronald W Wood, Clifton O Bingham, Christopher T Ritchlin, Edward M Schwarz
Although clinical outcomes for patients with rheumatoid arthritis (RA) have greatly improved with the use of biologic and conventional DMARDs, approximately 40% of patients do not achieve primary clinical outcomes in randomized trials, and only a small proportion achieve lasting remission. Over the past decade, studies in murine models point to the critical role of the lymphatic system in the pathogenesis and therapy of inflammatory-erosive arthritis, presumably by the removal of catabolic factors, cytokines and inflammatory cells from the inflamed synovium...
January 11, 2018: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/29321816/erbb-signaling-in-ctcs-of-ovarian-cancer-and-glioblastoma
#6
REVIEW
Anjali Geethadevi, Deepak Parashar, Erin Bishop, Sunila Pradeep, Pradeep Chaluvally-Raghavan
Circulating Tumor Cells (CTCs) are floating cell populations, which are resistant to anoikis after detachment from the primary sites and travel through the circulatory and lymphatic systems to disseminate throughout the body. CTCs are considered as seed cells for metastasis, and thus isolation of CTCs does not require any invasive procedure. Based on the nature and location of ovarian cancer and glioblastoma, the role of CTCs and hematogenous (carried by blood) spreading of tumor cells in these cancers were not understood well...
November 2017: Genes & Cancer
https://www.readbyqxmd.com/read/29318557/ear-sponge-assay-a-method-to-investigate-angiogenesis-and-lymphangiogenesis-in-mice
#7
Maureen Van de Velde, Melissa García-Caballero, Tania Durré, Frédéric Kridelka, Agnès Noël
Angiogenesis and lymphangiogenesis have become important research areas in the biomedical field. The outgrowth of new blood (angiogenesis) and lymphatic (lymphangiogenesis) vessels from preexisting ones is involved in many pathologies including cancer. In-depth investigations of molecular determinants such as proteases in these complex processes require reliable in vivo models. Here we present the ear sponge assay as an easy, rapid, quantitative and reproducible model of angiogenesis and lymphangiogenesis. In this system, a gelatin sponge soaked with tumor cells, cell-conditioned medium, or a compound to be tested is implanted, for 2-4 weeks, between the two mouse ear skin layers...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29310798/mechanotransduction-in-blood-and-lymphatic-vascular-development-and-disease
#8
Sofia Urner, Molly Kelly-Goss, Shayn M Peirce, Eckhard Lammert
The blood and lymphatic vasculatures are hierarchical networks of vessels, which constantly transport fluids and, therefore, are exposed to a variety of mechanical forces. Considering the role of mechanotransduction is key for fully understanding how these vascular systems develop, function, and how vascular pathologies evolve. During embryonic development, for example, initiation of blood flow is essential for early vascular remodeling, and increased interstitial fluid pressure as well as initiation of lymph flow is needed for proper development and maturation of the lymphatic vasculature...
2018: Advances in Pharmacology
https://www.readbyqxmd.com/read/29305921/distribution-of-therapeutic-proteins-into-thoracic-lymph-after-intravenous-administration-is-protein-size-dependent-and-primarily-occurs-within-the-liver-and-mesentery
#9
Preeti Yadav, Victoria M McLeod, Cameron J Nowell, Laura I Selby, Angus P R Johnston, Lisa M Kaminskas, Natalie L Trevaskis
Therapeutic proteins can facilitate the targeting and treatment of lymphatic diseases (such as cancer metastases, infections and inflammatory diseases) since they are cleared via the lymphatics following interstitial (SC or IM) administration. However, therapeutic proteins are often administered intravenously (IV). Recently therapeutic proteins have been found to access the thoracic lymph in surprisingly high quantities after IV administration. The aim of this study was to determine, for the first time, the major sites of thoracic lymph access of therapeutic proteins, and the protein properties that enhance lymph access, after IV administration...
January 3, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29305670/bioactive-chylomicrons-for-oral-lymphatic-targeting-of-berberine-chloride-novel-flow-blockage-assay-in-tissue-based-and-caco-2-cell-line-models
#10
Manal A Elsheikh, Yosra S R Elnaggar, Dina Y Otify, Ossama Y Abdallah
PURPOSE: To develop novel bioactive-chylomicrons to solve oral delivery obstacles of Berberine chloride and target the lymphatic system. METHODS: Berberine-loaded bioactive-chylomicrons were prepared and underwent full in vitro characterization. Intestinal permeability was appraised via both non-everted gut sac model and Caco-2 cell model. Furthermore, Bioactive-chylomicrons' cellular uptake and distribution were examined by laser scanning confocal microscopy. Finally, a novel chylomicron flow-blockage assay on tissue and cellular levels were elaborated to assess the lymphatic targeting ability...
January 5, 2018: Pharmaceutical Research
https://www.readbyqxmd.com/read/29305658/incidence-of-unexpected-positive-histology-in-kyphoplasty
#11
Stephan Nowak, Jonas Müller, Henry W S Schroeder, Jan Uwe Müller
OBJECTIVE: Kyphoplasty and vertebroplasty have become one of the most frequent surgical procedures in the treatment of vertebral compression fractures. Often, the cause of compression fractures is lowered bone mineral density as in osteoporosis. In the differential workup, also pathologic vertebral compression fractures need to be ruled out. Importantly, imaging techniques alone cannot safely differentiate between invasive lymphatic and osteoporotic vertebral fracture. Our goal was to identify the degree of unexpected positive histology in kyphoplasty for presumed osteoporotic vertebral compression fracture...
January 5, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29290778/increased-expression-of-mir-155-and-mir-222-is-associated-with-lymph-node-positive-status
#12
Vladimir Chernyy, Vladimir Pustylnyak, Vadim Kozlov, Lyudmila Gulyaeva
Identification of prognostic molecular markers of breast cancer is extremely important. The spreading out of the primary breast tumour cells to the lymphatic system is at the forefront of symbolising the first signs of distant organ metastasis. Deregulated genes in breast cancer tissues that spread to lymph nodes may show early predictive molecular markers. In the present study, we selected five microRNAs, which play a key function in the invasion-metastasis cascade. We investigated the levels of microRNAs in 80 paired samples of BC and matched adjoining tissues, and we examined the potential relationships between microRNA levels and positive lymph node status...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29288344/fdc-tfh-interactions-within-cervical-lymph-nodes-of-siv-infected-rhesus-macaques
#13
Rajnish S Dave, Ravi K Sharma, Roshell R Muir, Elias Haddad, Sanjeev Gumber, Francois Villinger, Artinder P Nehra, Zafar K Khan, Brian Wigdahl, Aftab A Ansari, Siddappa N Byrareddy, Pooja Jain
Cerebrospinal fluid (CSF) drains via the lymphatic drainage pathway. This lymphatic pathway connects the central nervous system (CNS) to the cervical lymph node (CLN). As the CSF drains to CLN via the dural and nasal lymphatics, T cells and antigen presenting cells pass along the channels from the subarachnoid space through the cribriform plate. Human immunodeficiency virus (HIV) may also egress from the CNS along this pathway. As a result, HIV egressing from the CNS may accumulate within the CLN. Towards this objective, we analyzed CLNs isolated from rhesus macaques that were chronically-infected with simian immunodeficiency virus (SIV)...
December 29, 2017: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/29288095/microparticles-microcapsules-and-microspheres-a-review-of-recent-developments-and-prospects-for-oral-delivery-of-insulin
#14
REVIEW
Chun Y Wong, Hani Al-Salami, Crispin R Dass
Diabetes mellitus is a chronic metabolic health disease affecting the homeostasis of blood sugar levels. However, subcutaneous injection of insulin can lead to patient non-compliance, discomfort, pain and local infection. Sub-micron sized drug delivery systems have gained attention in oral delivery of insulin for diabetes treatment. In most of the recent literature, the terms "microparticles" and "nanoparticle" refer to particles where the dimensions of the particle are measured in micrometers and nanometers respectively...
December 26, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29285934/synthetic-polymeric-mixed-micelles-target-to-lymph-node-triggering-enhanced-cellular-and-humoral-immune-responses
#15
Chenxi Li, Xiaoxu Zhang, Qing Chen, Jiulong Zhang, Wenpan Li, Haiyang Hu, Xiuli Zhao, Mingxi Qiao, Dawei Chen
It has been widely accepted that lymph nodes (LNs) are critical targets of cancer vaccines since antigen presentation and initiation of T cell-mediated immune responses occur primarily at these locations. In this study, amphiphilic diblock copolymer PEOz-PLA combined with carboxylterminalted-Pluronic F127 were used to construct mixed micelles (carboxylated-NPs) for co-delivery of antigen OVA and Toll-like receptor-7 agonist CL264 (carboxylated-NPs/OVA/CL264) to the LN resident DCs. The results showed that the small, sub-60nm size of the self-assembled mixed micelles enables them to rapidly penetrate into lymphatic vessels and reach DLNs after subcutaneous injection...
December 29, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29280265/three-dimensional-cultured-tissue-constructs-that-imitate-human-living-tissue-organization-for-analysis-of-tumor-cell-invasion
#16
Soichi Iwai, Satoko Kishimoto, Yuto Amano, Akihiro Nishiguchi, Michiya Matsusaki, Akinori Takeshita, Mitsuru Akashi
Preventing cancer metastasis requires a thorough understanding of cancer cell invasion. These phenomena occur in human 3D living tissues. To this end, we developed a human cell-based three-dimensional (3D) cultured tissue constructs that imitate in vivo human tissue organization. We investigated whether our 3D-cell culture system can be used to analyze the invasion of human oral squamous cell carcinoma (OSCC) cells. The 3D-tissue structure consisted of five layers of normal human dermal fibroblasts along with human dermal lymphatic endothelial cell tubes and was generated by the cell accumulation technique and layer-by-layer assembly using fibronectin and gelatin...
December 27, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29277248/communication-pathways-to-and-from-the-inner-ear-and-their-contributions-to-drug-delivery
#17
REVIEW
Alec N Salt, Keiko Hirose
The environment of the inner ear is highly regulated in a manner that some solutes are permitted to enter while others are excluded or transported out. Drug therapies targeting the sensory and supporting cells of the auditory and vestibular systems require the agent to gain entry to the fluid spaces of the inner ear, perilymph or endolymph, which surround the sensory organs. Access to the inner ear fluids from the vasculature is limited by the blood-labyrinth barriers, which include the blood-perilymph and blood-strial barriers...
December 19, 2017: Hearing Research
https://www.readbyqxmd.com/read/29276513/multidimensional-analysis-integrating-human-t-cell-signatures-in-lymphatic-tissues-with-sex-of-humanized-mice-for-prediction-of-responses-after-dendritic-cell-immunization
#18
Valery Volk, Andreas I Reppas, Philippe A Robert, Loukia M Spineli, Bala Sai Sundarasetty, Sebastian J Theobald, Andreas Schneider, Laura Gerasch, Candida Deves Roth, Stephan Klöss, Ulrike Koehl, Constantin von Kaisenberg, Constanca Figueiredo, Haralampos Hatzikirou, Michael Meyer-Hermann, Renata Stripecke
Mice transplanted with human cord blood-derived hematopoietic stem cells (HSCs) became a powerful experimental tool for studying the heterogeneity of human immune reconstitution and immune responses in vivo. Yet, analyses of human T cell maturation in humanized models have been hampered by an overall low immune reactivity and lack of methods to define predictive markers of responsiveness. Long-lived human lentiviral induced dendritic cells expressing the cytomegalovirus pp65 protein (iDCpp65) promoted the development of pp65-specific human CD8+ T cell responses in NOD...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29275545/application-of-optical-coherence-tomography-for-in-vivo-monitoring-of-the-meningeal-lymphatic-vessels-during-opening-of-blood-brain-barrier-mechanisms-of-brain-clearing
#19
Oxana Semyachkina-Glushkovskaya, Arkady Abdurashitov, Alexander Dubrovsky, Denis Bragin, Olga Bragina, Nataliya Shushunova, Galina Maslyakova, Nikita Navolokin, Alla Bucharskaya, Valery Tuchin, Juergen Kurths, Alexander Shirokov
The meningeal lymphatic vessels were discovered 2 years ago as the drainage system involved in the mechanisms underlying the clearance of waste products from the brain. The blood-brain barrier (BBB) is a gatekeeper that strongly controls the movement of different molecules from the blood into the brain. We know the scenarios during the opening of the BBB, but there is extremely limited information on how the brain clears the substances that cross the BBB. Here, using the model of sound-induced opening of the BBB, we clearly show how the brain clears dextran after it crosses the BBB via the meningeal lymphatic vessels...
December 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29259211/gsto1-1-plays-a-pro-inflammatory-role-in-models-of-inflammation-colitis-and-obesity
#20
Deepthi Menon, Ashlee Innes, Aaron J Oakley, Jane E Dahlstrom, Lora M Jensen, Anne Brüstle, Padmaja Tummala, Melissa Rooke, Marco G Casarotto, Jonathan B Baell, Nghi Nguyen, Yiyue Xie, Matthew Cuellar, Jessica Strasser, Jayme L Dahlin, Michael A Walters, Gaetan Burgio, Luke A J O'Neill, Philip G Board
Glutathione transferase Omega 1 (GSTO1-1) is an atypical GST reported to play a pro-inflammatory role in response to LPS. Here we show that genetic knockout of Gsto1 alters the response of mice to three distinct inflammatory disease models. GSTO1-1 deficiency ameliorates the inflammatory response stimulated by LPS and attenuates the inflammatory impact of a high fat diet on glucose tolerance and insulin resistance. In contrast, GSTO1-1 deficient mice show a more severe inflammatory response and increased escape of bacteria from the colon into the lymphatic system in a dextran sodium sulfate mediated model of inflammatory bowel disease...
December 19, 2017: Scientific Reports
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