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https://www.readbyqxmd.com/read/29340117/the-regulation-of-pre-metastatic-niche-formation-by-neutrophils
#1
REVIEW
Jadwiga Jablonska, Stephan Lang, Ronit Vogt Sionov, Zvi Granot
Metastasis is a multistep process requiring tumor cell detachment from the primary tumor and migration to target organs through the lymphatic or blood circulatory systems. Specific organs are predisposed to metastases in certain cancers and the formation of supportive metastatic microenvironment determines tumor cell homing. Such an environment is provided by a pre-metastatic niche that is formed through the recruitment of bone marrow-derived myeloid cells, however the mechanisms of its formation are not fully understood...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29339415/genome-wide-identification-by-transposon-insertion-sequencing-of-escherichia-coli-k1-genes-essential-for-in-vitro-growth-gastrointestinal-colonizing-capacity-and-survival-in-serum
#2
Alex J McCarthy, Richard A Stabler, Peter W Taylor
Escherichia coli K1 strains are major causative agents of invasive disease of the new born. The age dependency of infection can be reproduced in the neonatal rat. Colonization of the small intestine following oral administration of K1 bacteria leads rapidly to invasion of the blood circulation; bacteria that avoid capture by the mesenteric lymphatic system and evade antibacterial mechanisms in the blood may disseminate to cause organ-specific infections such as meningitis. Some E. coli K1 surface constituents, in particular the polysialic acid capsule, are known to contribute to invasive potential but a comprehensive picture of the factors that determine the fully virulent phenotype has not so far emerged...
January 16, 2018: Journal of Bacteriology
https://www.readbyqxmd.com/read/29332468/local-radiotherapy-affects-drug-pharmacokinetics-exploration-of-a-neglected-but-significant-uncertainty-of-cancer-therapy
#3
Yu-Jen Chen, Tung-Hu Tsai, Li-Ying Wang, Chen-Hsi Hsieh
PURPOSE: Concurrent chemoradiation therapy is the mainstay of treatment for many types of malignancies. However, concurrent chemoradiation therapy is associated with a greater number of systemic adverse effects than radiotherapy or chemotherapy alone. SUMMARY: Pharmacokinetics is the study of a drug and/or its metabolite kinetics in the body, including absorption, distribution, metabolism, and elimination. The incidences of adverse effects are markedly higher in patients who receive concurrent chemoradiation therapy than in those who receive either radiotherapy or chemotherapy alone...
December 2017: Technology in Cancer Research & Treatment
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/29321816/erbb-signaling-in-ctcs-of-ovarian-cancer-and-glioblastoma
#5
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/29302015/s1p-dependent-interorgan-trafficking-of-group-2-innate-lymphoid-cells-supports-host-defense
#6
Yuefeng Huang, Kairui Mao, Xi Chen, Ming-An Sun, Takeshi Kawabe, Weizhe Li, Nicholas Usher, Jinfang Zhu, Joseph F Urban, William E Paul, Ronald N Germain
Innate lymphoid cells (ILCs) are innate counterparts of adaptive T lymphocytes, contributing to host defense, tissue repair, metabolic homeostasis, and inflammatory diseases. ILCs have been considered to be tissue-resident cells, but whether ILCs move between tissue sites during infection has been unclear. We show here that interleukin-25- or helminth-induced inflammatory ILC2s are circulating cells that arise from resting ILC2s residing in intestinal lamina propria. They migrate to diverse tissues based on sphingosine 1-phosphate (S1P)-mediated chemotaxis that promotes lymphatic entry, blood circulation, and accumulation in peripheral sites, including the lung, where they contribute to anti-helminth defense and tissue repair...
January 5, 2018: Science
https://www.readbyqxmd.com/read/29301108/mesenchymal-stromal-cells-inhibit-inflammatory-lymphangiogenesis-in-the-cornea-by-suppressing-macrophage-in-a-tsg-6-dependent-manner
#7
Hyun Beom Song, Se Yeon Park, Jung Hwa Ko, Jong Woo Park, Chang Ho Yoon, Dong Hyun Kim, Jeong Hun Kim, Mee Kum Kim, Ryang Hwa Lee, Darwin J Prockop, Joo Youn Oh
The cornea is a transparent tissue devoid of blood and lymphatic vessels. However, various inflammatory conditions can cause hemangiogenesis and lymphangiogenesis in the cornea, compromising transparency and visual acuity. Mesenchymal stem/stromal cells (MSCs) have therapeutic potentials in a variety of diseases because of anti-inflammatory properties. Herein, we investigated the effects of MSCs on corneal angiogenesis using a model of suture-induced inflammatory corneal neovascularization. Data demonstrated that an intravenous administration of MSCs suppressed corneal inflammation and neovascularization, inhibiting both hemangiogenesis and lymphangiogenesis...
January 3, 2018: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/29251364/after-neoadjuvant-chemotherapy-platelet-lymphocyte-ratios-negatively-correlate-with-prognosis-in-gastric-cancer-patients
#8
Weipeng Gong, Lei Zhao, Zhaogang Dong, Yu Dou, Yanguo Liu, Chao Ma, Xun Qu
INTRODUCTION: Circulating predictors prognostic factors of neoadjuvant chemotherapy, which identify the patients who are potential possibly to benefit from it are limited at present. In this research, we aimed to compare the prognostic significance of neutrophil/lymphocyte ratio (NLR) and platelet/lymphocyte ratio (PLR) in patients with locally advance gastric carcinoma who were treated with neoadjuvant chemotherapy (NAC) followed by D2 gastrectomy. MATERIALS AND METHODS: From 2007 to 2015, 91 patients with locally advanced gastric cancer treated with NAC followed by D2 gastrectomy included in this retrospective cohort study...
December 18, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29237738/ascending-vasa-recta-are-angiopoietin-tie2-dependent-lymphatic-like-vessels
#9
Yael Kenig-Kozlovsky, Rizaldy P Scott, Tuncer Onay, Isabel Anna Carota, Benjamin R Thomson, Hyea Jin Gil, Veronica Ramirez, Shinji Yamaguchi, Christine E Tanna, Stefan Heinen, Christine Wu, Radu V Stan, Janet D Klein, Jeff M Sands, Guillermo Oliver, Susan E Quaggin
Urinary concentrating ability is central to mammalian water balance and depends on a medullary osmotic gradient generated by a countercurrent multiplication mechanism. Medullary hyperosmolarity is protected from washout by countercurrent exchange and efficient removal of interstitial fluid resorbed from the loop of Henle and collecting ducts. In most tissues, lymphatic vessels drain excess interstitial fluid back to the venous circulation. However, the renal medulla is devoid of classic lymphatics. Studies have suggested that the fenestrated ascending vasa recta (AVRs) drain the interstitial fluid in this location, but this function has not been conclusively shown...
December 13, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29234287/synergistic-effects-of-proprioceptive-neuromuscular-facilitation-and-manual-lymphatic-drainage-in-patients-with-mastectomy-related-lymphedema
#10
Kyung-Jin Ha, Sang-Yeol Lee, Hojun Lee, Seung-Jun Choi
Purpose: Manual lymphatic drainage (MLD) and proprioceptive neuromuscular facilitation (PNF) are potential therapeutic strategies to reduce mastectomy-induced edema. The purpose of this study was to investigate whether the combination of these therapies would induce synergistic effects to treat lymphedema-related complications and to analyze a possible physiological mechanism involved in the observed effects. Methods: A total of 55 patients diagnosed with mastectomy-induced lymphedema were recruited and randomized into three experimental groups: PNF group (n = 17), MLD group (n = 20), and PNF + MLD group (n = 18)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29230377/clinical-significance-of-circulating-immune-cells-in-left-and-right-sided-colon-cancer
#11
Jiabo Di, Meng Zhuang, Hong Yang, Beihai Jiang, Zaozao Wang, Xiangqian Su
Background: Left-sided and right-sided colon cancers (LCCs and RCCs, respectively) differ in their epidemiology, pathogenesis, genetic and epigenetic alterations, molecular pathways and prognosis. Notably, immune response gene expression profiles have been shown to differ between patients with LCC and patients with RCC. The immune system plays an important role in tumor immunosurveillance, and there is increasing evidence that peripheral blood immune cells have a profound influence on tumor prognosis...
2017: PeerJ
https://www.readbyqxmd.com/read/29229919/migratory-dendritic-cells-acquire-and-present-lymphatic-endothelial-cell-archived-antigens-during-lymph-node-contraction
#12
Ross M Kedl, Robin S Lindsay, Jeffrey M Finlon, Erin D Lucas, Rachel S Friedman, Beth A Jirón Tamburini
Antigens derived from viral infection or vaccination can persist within a host for many weeks after resolution of the infection or vaccine responses. We previously identified lymphatic endothelial cells (LEC) as the repository for this antigen archival, yet LECs are unable to present their archived antigens to CD8+ T cells, and instead transfer their antigens to CD11c+ antigen-presenting cells (APC). Here we show that the exchange of archived antigens between LECs and APCs is mediated by migratory dendritic cells (DC)...
December 11, 2017: Nature Communications
https://www.readbyqxmd.com/read/29218624/motivation-for-launching-a-cancer-metastasis-inhibition-cmi-program
#13
REVIEW
Jill M Pulley, Rebecca N Jerome, Martin L Ogletree, Gordon R Bernard, Robert R Lavieri, Nicole M Zaleski, Charles C Hong, Jana K Shirey-Rice, Carlos L Arteaga, Ingrid A Mayer, Kenneth J Holroyd, Rebecca S Cook
Metastatic cancers impose significant burdens on patients, affecting quality of life, morbidity, and mortality. Even during remission, microscopic metastases can lurk, but few therapies directly target tumor cell metastasis. Agents that interfere with this process would represent a new paradigm in cancer management, changing the 'waiting game' into a time of active prevention. These therapies could take multiple forms based on the pathways involved in the metastatic process. For example, a phenome-wide association study showed that a single nucleotide polymorphism in the gene TBXA2R is associated with increased metastasis in multiple primary cancers (P = 0...
December 7, 2017: Targeted Oncology
https://www.readbyqxmd.com/read/29193764/the-interstitium-conducts-extrarenal-storage-of-sodium-and-represents-a-third-compartment-essential-for-extracellular-volume-and-blood-pressure-homeostasis
#14
REVIEW
H Wiig, F C Luft, J M Titze
The role of salt in the pathogenesis of arterial hypertension is not well understood. According to the current understanding, the central mechanism for blood pressure (BP) regulation relies on classical studies linking BP and Na+ balance, placing the kidney at the very centre of long-term BP regulation. To maintain BP homeostasis, the effective circulating fluid volume and thereby body Na+ content has to be maintained within very narrow limits. From recent work in humans and rats, the notion has emerged that Na+ could be stored somewhere in the body without commensurate water retention to buffer free extracellular Na+ and that previously unidentified extrarenal, tissue-specific regulatory mechanisms are operative regulating the release and storage of Na+ from a kidney-independent reservoir...
November 28, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/29181171/subserous-invasion-of-vegf-c-producing-cancer-cells-is-a-possible-risk-factor-for-ileal-ulceration-in-the-non-metastatic-mucosal-layer-during-bevacizumab-combined-chemotherapy-for-recurrent-ovarian-cancer-a-case-report
#15
Takeo Matsumoto, Yasunari Mizumoto, Kyohei Nakade, Takeshi Obata, Ayumi Matsuoka, Subaru Myojo, Masanori Ono, Mitsuhiro Nakamura, Hiroshi Fujiwara
A 65-year-old woman received chemotherapy using taxane and carboplatin prior and following optimal debulking surgery for ovarian cancer stage IV. Five months later, intra-abdominal recurrence was diagnosed, and second-line chemotherapy using nogitecan and bevacizumab was administered. After five courses, the patient presented with a symptom of subileus and subsequent intestinal perforation occurred. An emergent surgery revealed two perforation sites and longitudinally extended ulcerative lesions in the ileum...
November 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29176738/induction-of-immune-surveillance-of-the-dysmorphogenic-lens
#16
Caitlin M Logan, Caitlin J Bowen, A Sue Menko
The lens has been considered to be an immune privileged site not susceptible to the immune processes normally associated with tissue injury and wound repair. However, as greater insight into the immune surveillance process is gained, we have reevaluated the concept of immune privilege. Our studies using an N-cadherin lens-specific conditional knockout mouse, N-cadΔlens, show that loss of this cell-cell junctional protein leads to lens degeneration, necrosis and fibrotic change, postnatally. The degeneration of this tissue induces an immune response resulting in immune cells populating the lens that contribute to the development of fibrosis...
November 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29149303/changes-in-cytokine-filarial-antigen-and-dna-levels-associated-with-adverse-events-following-treatment-of-lymphatic-filariasis
#17
Britt J Andersen, Jessica Kumar, Kurt Curtis, Nelly Sanuku, Samson Satofan, Christopher L King, Peter U Fischer, Gary J Weil
Background: Mild to moderate adverse events (AEs) are common after treatment of lymphatic filariasis (LF) and pose a major challenge for the global LF elimination program. We studied changes in cytokine levels and filarial worm components in plasma of subjects with and without AEs following treatment of LF. Methods: Participants (N=24) were hospitalized and monitored for AEs following treatment. Cytokines (27), filarial DNA, circulating filarial antigen (CFA), and immune complexes were measured in plasma samples collected before and after treatment...
November 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29135573/evidence-of-inflammasome-activation-and-formation-of-monocyte-derived-apoptosis-associated-speck-like-protein-containing-a-caspase-recruitment-domain-specks-in-hiv-1-positive-patients
#18
Fareed Ahmad, Neha Mishra, Gerrit Ahrenstorf, Bernardo S Franklin, Eicke Latz, Reinhold E Schmidt, Lukas Bossaller
OBJECTIVE: The formation of large intracellular protein aggregates of the inflammasome adaptor apoptosis-associated speck-like protein containing a caspase-recruitment domain (ASC) (PYCARD) is a hallmark of inflammasome activation. ASC speck-forming cells release the highly proinflammatory cytokine IL-1β in addition to ASC specks into the extracellular space during pyroptotic cell death. There ASC specks can propagate inflammation to other nonactivated cells or tissues. HIV-1 retroviral infection triggers inflammasome activation of abortively infected CD4 T cells in secondary lymphatic tissues...
November 10, 2017: AIDS
https://www.readbyqxmd.com/read/29133120/enhanced-oral-absorption-and-anticancer-efficacy-of-cabazitaxel-by-overcoming-intestinal-mucus-and-epithelium-barriers-using-surface-polyethylene-oxide-peo-decorated-positively-charged-polymer-lipid-hybrid-nanoparticles
#19
Tianyang Ren, Qian Wang, Ying Xu, Lin Cong, Jingxin Gou, Xiaoguang Tao, Yu Zhang, Haibing He, Tian Yin, Haotian Zhang, Yan Zhang, Xing Tang
Polymer-lipid hybrid nanoparticles, PMONPs, were developed to improve the oral absorption of cabazitaxel (CTX), a semi-synthetic taxane derivative, by overcoming multiple gastrointestinal barriers. The nano-carrier is comprised of a poly(ε-caprolactone) (PCL) and chain triglyceride (MCT) hybrid core for drug loading, and a positively charged surface while slightly concealed with a polyethylene oxide (PEO) shell by insertion of poloxamer 188, with the aim of improving the intestinal mucus permeation and epithelial cell uptake...
November 10, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29119295/treatment-of-hip-fracture-of-pope-innocent-xii-by-marcello-malpighi-with-bed-rest
#20
REVIEW
Marco Bigoni, Giovanni Zatti, Nicolò Zanchi, Filippo Maria Anghilieri, Michele A Riva
Marcello Malpighi (1628-1694), who is referred to as the father of microscopical anatomy, histology, physiology and embryology was an Italian biologist and physician, well known for his discoveries on microscopical anatomy of kidney, circulating and lymphatic systems. As well as being a brilliant anatomist, Malpighi was also a valued physician so far as to became the personal physician of Pope Innocent XII (1615-1700). On 23 August 1691, one month after his election, the Pope fell to the ground hitting his left hip...
November 8, 2017: International Orthopaedics
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