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https://www.readbyqxmd.com/read/28662054/first-evidence-of-lymphatic-filariasis-transmission-interruption-in-cameroon-progress-towards-elimination
#1
Hugues C Nana-Djeunga, Magellan Tchouakui, Guy R Njitchouang, Jules B Tchatchueng-Mbougua, Philippe Nwane, André Domche, Jean Bopda, Stève Mbickmen-Tchana, Julie Akame, Ann Tarini, Emilienne Epée, Benjamin D Biholong, Yaobi Zhang, Jean J Tougoue, Achille Kabore, Flobert Njiokou, Joseph Kamgno
BACKGROUND: Lymphatic filariasis (LF) is among the 10 neglected tropical diseases targeted for control or elimination by 2020. For LF elimination, the World Health Organization (WHO) has proposed a comprehensive strategy including (i) interruption of LF transmission through large-scale annual treatment (or mass drug administration (MDA)) of all eligible individuals in endemic areas, and (ii) alleviation of LF-associated suffering through morbidity management and disability prevention...
June 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28652021/detection-of-circulating-tumor-cells-from-cryopreserved-human-sarcoma-peripheral-blood-mononuclear-cells
#2
Heming Li, Qing H Meng, Hyangsoon Noh, Izhar Singh Batth, Neeta Somaiah, Keila E Torres, Xueqing Xia, Ruoyu Wang, Shulin Li
Circulating tumor cells (CTCs) enter the vasculature or lymphatic system after shedding from the primary tumor. CTCs may serve as "seed" cells for tumor metastasis. The utility of CTCs in clinical applications for sarcoma is not fully investigated, partly owing to the necessity for fresh blood samples and the lack of a CTC-specific antibody. To overcome these drawbacks, we developed a technique for sarcoma CTCs capture and detection using cryopreserved peripheral blood mononuclear cells (PBMCs) and our proprietary cell-surface vimentin (CSV) antibody 84-1, which is specific to tumor cells...
June 23, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28637884/vaccination-establishes-clonal-relatives-of-germinal-center-t-cells-in-the-blood-of-humans
#3
Antje Heit, Frank Schmitz, Sarah Gerdts, Britta Flach, Miranda S Moore, Jonathan A Perkins, Harlan S Robins, Alan Aderem, Paul Spearman, Georgia D Tomaras, Stephen C De Rosa, M Juliana McElrath
Germinal center T follicular helper cells (GCTfh) in lymphatic tissue are critical for B cell differentiation and protective antibody induction, but whether GCTfh establish clonal derivatives as circulating memory T cells is less understood. Here, we used markers expressed on GCTfh, CXCR5, PD1, and ICOS, to identify potential circulating CXCR5(+)CD4(+) Tfh-like cells (cTfh) in humans, and investigated their functional phenotypes, diversity, and ontogeny in paired donor blood and tonsils, and in blood after vaccination...
July 3, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28630586/surveillance-efforts-after-mass-drug-administration-to-validate-elimination-of-lymphatic-filariasis-as-a-public-health-problem-in-vanuatu
#4
Fasihah Taleo, George Taleo, Patricia M Graves, Peter Wood, Sung Hye Kim, Masayo Ozaki, Hayley Joseph, Brian Chu, Alex Pavluck, Aya Yajima, Wayne Melrose, Kazuyo Ichimori, Corinne Capuano
BACKGROUND: Vanuatu was formerly highly endemic for lymphatic filariasis (LF), caused by Wuchereria bancrofti and transmitted by Anopheles mosquitoes. After a baseline survey showing 4.8% antigen prevalence in 1998, the country conducted nationwide (in one implementation unit) annual mass drug administration (MDA) with albendazole and diethylcarbamazine citrate from 2000 to 2004 and achieved prevalence of 0.2% by 2006 in a representative nationwide cluster survey among all age groups...
2017: Tropical Medicine and Health
https://www.readbyqxmd.com/read/28623135/serum-long-non-coding-rna-malat-1-protected-by-exosomes-is-up-regulated-and-promotes-cell-proliferation-and-migration-in-non-small-cell-lung-cancer
#5
Rui Zhang, Yuhong Xia, Zhixin Wang, Jie Zheng, Yafei Chen, Xiaoli Li, Yu Wang, Huaikun Ming
Circulating lncRNAs have been defined as a novel biomarker for non-small cell lung cancer (NSCLC), MALAT-1 was first identified lncRNA that was related to lung cancer metastasis. However, the relationship between exosomal lncRNAs and the diagnosis and prognosis of NSCLC was poorly understood. The aim of this study is to evaluate the clinical significance of serum exosomal MALAT-1 as a biomarker in the metastasis of NSCLC. In this study, we firstly isolated the exosomes from healthy subjects and NSCLC patients...
August 19, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28615988/identification-and-control-of-an-isolated-but-intense-focus-of-lymphatic-filariasis-on-satawal-island-federated-states-of-micronesia-in-2003
#6
Moses Pretrick, Wayne Melrose, Jean-Paul Chaine, Deon Canyon, Jaime Carron, Patricia M Graves, Richard S Bradbury
BACKGROUND: There is very limited data available on the prevalence of Bancroftian filariasis in the Federated States of Micronesia (FSM). Considerable attempts to eliminate the disease had occurred in the Pacific region by the year 2003, and the prevalence in FSM was thought to be sufficiently low that the region was considered non-endemic. However, a survey conducted in 2003 on an isolated atoll of FSM, Satawal Island, challenged that assumption. METHODS: Participants on Satawal Island were recruited and their blood tested for Wuchereria bancrofti antigen by the filariasis immunochromatographic test (ICT) card and circulating microfilaria by Knott's concentration technique...
2017: Tropical Medicine and Health
https://www.readbyqxmd.com/read/28614587/scholars-and-scientists-in-the-history-of-the-lymphatic-system
#7
REVIEW
Gianfranco Natale, Guido Bocci, Domenico Ribatti
The discovery of the lymphatic system has a long and fascinating history. The interest in anatomy and physiology of this system paralleled that of the blood cardiocirculatory system and has been maybe obscured by the latter. Paradoxically, if the closed blood system appeared open in Galen's anatomy and physiology, and took a very long time to be correctly described in terms of pulmonary and general circulation by ibn Al-Nafis/Michael Servetus/Realdo Colombo and William Harvey, respectively, the open lymphatic system was incorrectly described as a closed circuit connected with arteries and veins...
June 14, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28606810/tailored-design-of-multifunctional-and-programmable-ph-responsive-self-assembling-polypeptides-as-drug-delivery-nanocarrier-for-cancer-therapy
#8
Tzu-Wei Wang, Chia-Wei Yeh, Chen-Hsiang Kuan, Li-Wen Wang, Liang-Hsin Chen, Hsi-Chin Wu, Jui-Shen Sun
Breast cancer has become the second leading cause of cancer-related mortality in female wherein more than 90% of breast cancer-related death results from cancer metastasis to distant organs at advanced stage. The purpose of this study is to develop biodegradable nanoparticles composed of natural polypeptides and calcium phosphate (CaP) with sequential pH-responsivity to tumor microenvironments for active targeted drug delivery. Two different amphiphilic copolymers, poly(ethylene glycol)3400-aconityl linkage-poly(l-glutamic acid)15-poly(l-histidine)10-poly(l-leucine)10 and LyP1-poly(ethylene glycol)1100-poly(l-glutamic acid)15-poly(l-histidine)10-poly(l-leucine)10, were exploited to self-assemble into micelles in aqueous phase...
June 9, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28598368/self-assembled-lipid-nanoparticles-for-oral-delivery-of-heparin-coated-iron-oxide-nanoparticles-for-theranostic-purposes
#9
Eleonora Truzzi, Chiara Bongio, Francesca Sacchetti, Eleonora Maretti, Monica Montanari, Valentina Iannuccelli, Elena Vismara, Eliana Leo
Recently, solid lipid nanoparticles (SLNs) have attracted increasing attention owing to their potential as an oral delivery system, promoting intestinal absorption in the lymphatic circulation which plays a role in disseminating metastatic cancer cells and infectious agents throughout the body. SLN features can be exploited for the oral delivery of theranostics. Therefore, the aim of this work was to design and characterise self-assembled lipid nanoparticles (SALNs) to encapsulate and stabilise iron oxide nanoparticles non-covalently coated with heparin (Fe@hepa) as a model of a theranostic tool...
June 9, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28560672/detection-and-enumeration-of-circulating-tumor-cells-with-invasive-phenotype
#10
Haizhen Wang, Xiangwei Wu
Circulating tumor cells (CTCs) disseminate from solid primary cancers into the peripheral blood and lymphatic vessels and can lead to metastatic tumor development; thus, CTC assays are an important clinical tool for monitoring progression and evaluating prognosis in cancer. However, CTCs are limited in number and heterogeneous in their biological and physical properties, making their detection, isolation, and enumeration a major challenge. To overcome these difficulties, novel techniques have been developed to detect and enumerate CTCs with an invasive phenotype...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28538737/lymphatic-endothelial-s1p-promotes-mitochondrial-function-and-survival-in-naive-t-cells
#11
Alejandra Mendoza, Victoria Fang, Cynthia Chen, Madhavika Serasinghe, Akanksha Verma, James Muller, V Sai Chaluvadi, Michael L Dustin, Timothy Hla, Olivier Elemento, Jerry E Chipuk, Susan R Schwab
Effective adaptive immune responses require a large repertoire of naive T cells that migrate throughout the body, rapidly identifying almost any foreign peptide. Because the production of T cells declines with age, naive T cells must be long-lived. However, it remains unclear how naive T cells survive for years while constantly travelling. The chemoattractant sphingosine 1-phosphate (S1P) guides T cell circulation among secondary lymphoid organs, including spleen, lymph nodes and Peyer's patches, where T cells search for antigens...
June 1, 2017: Nature
https://www.readbyqxmd.com/read/28527817/lymphatic-filariasis-elimination-efforts-in-rufiji-southeastern-tanzania-decline-in-circulating-filarial-antigen-prevalence-in-young-school-children-after-twelve-rounds-of-mass-drug-administration-and-utilization-of-long-lasting-insecticide-treated-nets
#12
Clarer Jones, Billy Ngasalla, Yahya A Derua, Donath Tarimo, Mwelecele N Malecela
BACKGROUND: Lymphatic filariasis (LF) is a parasitic infection transmitted by mosquito vectors, and in Sub-Saharan Africa it is caused by the nematode Wuchereria bancrofti. The disease has been targeted for global elimination with the annual mass drug administration (MDA) strategy. Vector control is known to play an important complementary role to MDA in reducing the transmission of LF. The effects of an MDA and insecticide-treated net intervention implemented in an endemic area of southeastern Tanzania are reported here...
May 17, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28504838/human-innate-lymphoid-cells-ilcs-in-filarial-infections
#13
Sandra Bonne-Année, Thomas B Nutman
Filarial infections are characteristically chronic and can cause debilitating diseases governed by parasite-induced innate and adaptive immune responses. Filarial parasites traverse or establish niches in the skin (migrating infective larvae), in non-mucosal tissues (adult parasite niche) and in the blood or skin (circulating microfilariae) where they intersect with the host immune response. While several studies have demonstrated that filarial parasites and their antigens can modulate myeloid cells (monocyte, macrophage, and dendritic cell subsets), T- and B-lymphocytes and skin resident cell populations the role of innate lymphoid cells during filarial infections has only recently emerged...
May 15, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28487567/a-robust-in-vitro-model-for-trans-lymphatic-endothelial-migration
#14
Yanbao Xiong, C Colin Brinkman, Konrad S Famulski, Emmanuel F Mongodin, Colin J Lord, Keli L Hippen, Bruce R Blazar, Jonathan S Bromberg
Trans-endothelial migration (TEM) is essential for leukocyte circulation. While much is known about trans-blood endothelial migration, far less is known about trans-lymphatic endothelial migration. We established an in vitro system to evaluate lymphatic TEM for various cell types across primary mouse and human lymphatic endothelial cells (LEC), and validated the model for the murine LEC cell line SVEC4-10. T cells exhibited enhanced unidirectional migration from the basal (abluminal) to the apical (luminal) surface across LEC, whereas for blood endothelial cells (BEC) they migrated similarly in both directions...
May 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28468583/circulating-mir-1826-in-plasma-correlates-with-circulating-tumor-cells-and-is-a-prognostic-marker-in-colorectal-cancer
#15
Zhihua Xu, Tianyi Xi, Ye Han, Xiaobo Guo, Fei Liu, Min Jiang, Daiwei Wan, Xiaofeng Xue, Songbing He, Rui Ren, Wei Li, Qiaoming Zhi
Our previous study showed that miR-1826 was a newly identified oncogenic non-coding RNA in colorectal cancer. But the potential relationship between miR-1826 and tumor metastasis has not been fully elucidated. The purpose of this study was to evaluate the clinical significance of circulating miR-1826 and its possible associations with circulating tumor cells in colorectal cancer. Our results first found that serum miR-1826 was significantly upregulated in colorectal cancer patients, compared with that in healthy volunteers ( p = 0...
May 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28467220/myofascial-manual-lymphatic-drainage-for-burn-trauma-a-service-evaluation
#16
Anna Loskotová, Jitka Loskotová, Ivan Suchanek, Pavel Brychta, Bretislav Lipový
Improving microcirculation in the area of a wound is an important aspect of wound healing. It can be improved by a new manual methodology: myofascial-manual lymphatic drainage (M-MLD). This hybrid technique uses elements of musculoskeletal medicine and manual lymphatic drainage. Through palpation, M-MLD therapeutically affects the functional pathology of soft tissues, with reflection in trigger points, and also the functional pathology of lymphatic system, namely by lymphostasis in particular regional lymph nodes...
May 1, 2017: British Journal of Community Nursing
https://www.readbyqxmd.com/read/28458580/lymphoscintigraphy-detecting-alterations-of-upper-limb-lymphatic-flow-following-early-sentinel-lymph-node-biopsy-in-breast-cancer
#17
Almir Jose Sarri, Eduardo Tinois da Silva, Rene Aloisio da Costa Vieira, Katia Hiromoto Koga, Pedro Henrique Moriguchi Cação, Vitor Coca Sarri, Sonia Marta Moriguchi
PURPOSE: To evaluate early variations in lymphatic circulation of the arm pre- and post-sentinel lymph node biopsy (SLNB) and conservative breast surgery by lymphoscintigraphy (LS). PATIENTS AND METHODS: Between 2005 and 2012, 15 patients underwent LS before and after the SLNB (total=30 studies). The pre-SLNB study was considered the control. Early images within twenty minutes (dynamic and static images) and delayed images within ninety minutes of arms and armpits were acquired using a gamma camera...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28432031/membrane-lipid-replacement-for-chronic-illnesses-aging-and-cancer-using-oral-glycerolphospholipid-formulations-with-fructooligosaccharides-to-restore-phospholipid-function-in-cellular-membranes-organelles-cells-and-tissues
#18
REVIEW
Garth L Nicolson, Michael E Ash
Membrane Lipid Replacement is the use of functional, oral supplements containing mixtures of cell membrane glycerolphospholipids, plus fructooligosaccharides (for protection against oxidative, bile acid and enzymatic damage) and antioxidants, in order to safely replace damaged, oxidized, membrane phospholipids and restore membrane, organelle, cellular and organ function. Defects in cellular and intracellular membranes are characteristic of all chronic medical conditions, including cancer, and normal processes, such as aging...
April 18, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28421387/pharmacokinetics-of-monoclonal-antibodies-and-fc-fusion-proteins
#19
REVIEW
Liming Liu
There are many factors that can influence the pharmacokinetics (PK) of a mAb or Fc-fusion molecule with the primary determinant being FcRn-mediated recycling. Through Fab or Fc engineering, IgG-FcRn interaction can be used to generate a variety of therapeutic antibodies with significantly enhanced half-life or ability to remove unwanted antigen from circulation. Glycosylation of a mAb or Fc-fusion protein can have a significant impact on the PK of these molecules. mAb charge can be important and variants with pI values of 1-2 unit difference are likely to impact PK with lower pI values being favorable for a longer half-life...
April 19, 2017: Protein & Cell
https://www.readbyqxmd.com/read/28418841/circulating-uric-acid-levels-and-subsequent-development-of-cancer-in-493-281-individuals-findings-from-the-amoris-study
#20
Andrew Yiu, Mieke Van Hemelrijck, Hans Garmo, Lars Holmberg, Håkan Malmström, Mats Lambe, Niklas Hammar, Göran Walldius, Ingmar Jungner, Wahyu Wulaningsih
OBJECTIVES: Serum uric acid has been suggested to be associated with cancer risk. We aimed to study the association between serum uric acid and cancer incidence in a large Swedish cohort. RESULTS: A positive association was found between uric acid levels and overall cancer risk, and results were similar with adjustment for glucose, triglycerides and BMI. Hazard ratio (HR) for overall cancer for the 4th quartile of uric acid compared to the 1st was 1.08 (95% CI: 1...
June 27, 2017: Oncotarget
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