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https://www.readbyqxmd.com/read/29145251/renal-osteodystrophy-presenting-as-a-metabolic-superscan-on-f-18-fdg-pet-ct-a-case-report
#1
Ismaheel Lawal, Alfred Ankrah, Kehinde Ololade, Moshe Modiselle, Mike Sathekge
RATIONALE: F-18 Fluoro Deoxyglucose positron emission tomography and computed tomography (F-18 FDG PET/CT) is a useful modality in the evaluation of patients with malignancies. Increased incidence of lympho-proliferative disorders has been reported in individuals with long-standing end-stage renal disorders treated with renal replacement therapy. PATIENT CONCERNS: A 30-year-old male on peritoneal dialysis on account of end-stage renal disease. He had acute rejection of an earlier transplanted renal allograft...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29113861/identification-and-characterization-of-myeloperoxidase-in-orange-spotted-grouper-epinephelus-coioides
#2
Hai-Qing Wang, Ling Zhou, Man Yang, Xiao-Chun Luo, Yan-Wei Li, Xue-Ming Dan
Cryptocaryon irritans is an important protozoan ciliate, which has led to heavy economic losses in marine aquaculture. Previous studies have indicated that C. irritans infection could induce the migration of neutrophils to infection sites. Myeloperoxidase (MPO) mainly exists in the cytoplasmic granules of the neutrophil and performs its function by a unique enzymatic capacity to produce hypohalous acid and other toxic oxidants. To determine the involvement of MPO and neutrophils against C. irritans infection in the host, we amplified MPO cDNA (EcMPO) from orange-spotted grouper (Epinephelus coioides)...
November 4, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29112018/tumor-budding-and-pdc-grade-are-stage-independent-predictors-of-clinical-outcome-in-mismatch-repair-deficient-colorectal-cancer
#3
Éanna Ryan, Yi Ling Khaw, Ben Creavin, Robert Geraghty, Elizabeth J Ryan, David Gibbons, Ann Hanly, Sean T Martin, P Ronan O'Connell, Desmond C Winter, Kieran Sheahan
Mismatch repair deficient (dMMR) colorectal cancer (CRC) despite its association with poor histologic grade often has improved prognosis compared with MMR proficient CRC. Tumor budding and poorly differentiated clusters (PDCs) may predict metastatic potential of colorectal adenocarcinoma (CRC). In addition, their assessment may be more reproducible than the evaluation of other histopathologic parameters. Therefore, we wished to determine their potential as prognostic indicators in a cohort of dMMR CRC patients relative to histologic grade...
November 3, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29073846/the-incidence-of-non-melanoma-skin-cancer-and-post-transplant-lympho-proliferative-disorders-in-the-scottish-cardiac-transplant-population-and-the-provision-of-specialist-dermatological-follow-up
#4
Iain McPherson, Alan Kirk
Background Immunosuppression helps prevent acute rejection post-cardiac transplant but has been linked to malignancy development. This may be due to a reduction in T-lymphocyte function, a direct oncogenic effect or the increased impact of environmental carcinogens. There has been shown to be significant increases in non-melanoma skin cancers and post-transplant lympho-proliferative disorders, particularly in those treated with OKT3. Aim To investigate the survival and incidence of malignancy in the Scottish cardiac transplant population and whether rates of non-melanoma skin cancers justify the provision of specialist dermatological follow-up...
January 1, 2017: Scottish Medical Journal
https://www.readbyqxmd.com/read/29057508/impact-of-antiviral-prophylaxis-in-adults-ebv-seronegative-kidney-recipients-on-early-and-late-ptld-onset-a-retrospective-cohort-study
#5
Simon Ville, Berthe-Marie Imbert-Marcille, Marianne Coste-Burel, Claire Garandeau, Aurélie Meurette, Diego Cantarovitch, Magali Giral, Maryvonne Hourmant, Gilles Blancho, Jacques Dantal
Post-transplantation lympho-proliferative disorder (PTLD) pathogenesis is related to EBV infection. Mismatch with the donor (EBV D+/R-) is the main risk factor for both early PTLD (< 1 year post transplantation) and late (> 1 year). In these at-risk patients, the role of antiviral prophylaxis for preventing PTLD remains controversial. We analysed the impact of antiviral drugs given to prevent CMV disease in a mono-centric retrospective cohort of 73 adult kidney or kidney-pancreas EBV seronegative recipients, transplanted between 01/01/2000 and 01/01/2016...
October 23, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/29055921/hepatitis-c-and-its-metabolic-complications-in-kidney-disease
#6
Fabrizio Fabrizi, Francesca M Donato, Piergiorgio Messa
INTRODUCTION: Evidence has been accumulated during the last decade showing that HCV infection plays an important activity at hepatic and extra-hepatic level. Chronic HCV is associated with a large spectrum of extra-hepatic manifestations including lympho-proliferative diseases and metabolic abnormalities (such as insulin resistance and fatty liver disease). MATERIAL AND METHODS: We have performed an extensive review of the medical literature regarding the increased risk of cardiovascular and kidney disease that has been observed in various groups of HCV-infected patients...
October 16, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/29050516/human-bone-marrow-mesenchymal-stromal-cell-derived-osteoblasts-promote-the-expansion-of-hematopoietic-progenitors-through-beta-catenin-and-notch-signaling-pathways
#7
Matthew Michalicka, Gavin Boisjoli, Suria Jahan, Owen Hovey, Emily Doxtator, Ahmad Abu-Khader, Roya Pasha, Nicolas Pineault
Coculture of hematopoietic stem cells (HSC) with primary stromal cells from HSC niches supports the maintenance and expansion of HSC and progenitors ex vivo. However, a major drawback is the availability of primary human samples for research and clinical applications. We investigated the use of in vitro derived osteoblasts as a new source of feeder cells and characterized the molecular pathways that mediate their growth promoting activities. First, we compared the growth and differentiation modulating activities of mesenchymal stromal cells (MSC)-derived osteoblasts (M-OST) to that of their undifferentiated precursor on umbilical cord blood (UCB) progenitors...
October 19, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/29045900/molecular-and-functional-characterization-of-lymphoid-progenitor-subsets-reveals-a-bipartite-architecture-of-human-lymphopoiesis
#8
Kutaiba Alhaj Hussen, Thien-Phong Vu Manh, Fabien Guimiot, Elisabeth Nelson, Emna Chabaane, Marc Delord, Maxime Barbier, Claire Berthault, Nicolas Dulphy, Antonio José Alberdi, Odile Burlen-Defranoux, Gerard Socié, Jean Christophe Bories, Jerôme Larghero, Valérie Vanneaux, Els Verhoeyen, Thierry Wirth, Marc Dalod, Jean Claude Gluckman, Ana Cumano, Bruno Canque
The classical model of hematopoiesis established in the mouse postulates that lymphoid cells originate from a founder population of common lymphoid progenitors. Here, using a modeling approach in humanized mice, we showed that human lymphoid development stemmed from distinct populations of CD127(-) and CD127(+) early lymphoid progenitors (ELPs). Combining molecular analyses with in vitro and in vivo functional assays, we demonstrated that CD127(-) and CD127(+) ELPs emerged independently from lympho-mono-dendritic progenitors, responded differently to Notch1 signals, underwent divergent modes of lineage restriction, and displayed both common and specific differentiation potentials...
October 17, 2017: Immunity
https://www.readbyqxmd.com/read/29033421/the-resolution-of-helicobacter-suis-associated-gastric-lesions-after-eradication-therapy
#9
Satoru Nakagawa, Tadashi Shimoyama, Masahiko Nakamura, Daisuke Chiba, Hidezumi Kikuchi, Manabu Sawaya, Daisuke Chinda, Tatsuya Mikami, Shinsaku Fukuda
A reddish depressed lesion was found in the corpus of the stomach of a 56-year-old man. Gastric biopsy showed no findings of MALT lymphoma, including lympho-epithelial lesions. A urea breath test, stool antigen test and serum IgG antibody to Helicobacter pylori test were negative. Magnifying endoscopy using narrow-band-imaging showed no malignant structures. Gastric biopsy specimens were subjected to immunohistochemistry and a PCR, which identified Helicobacter suis infection. Triple therapy with esomeprazole, metronidazole, and amoxicillin was administered for 10 days...
October 16, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29030486/single-cell-rna-sequencing-reveals-developmental-heterogeneity-among-early-lymphoid-progenitors
#10
Llucia Alberti-Servera, Lilly von Muenchow, Panagiotis Tsapogas, Giuseppina Capoferri, Katja Eschbach, Christian Beisel, Rhodri Ceredig, Robert Ivanek, Antonius Rolink
Single-cell RNA sequencing is a powerful technology for assessing heterogeneity within defined cell populations. Here, we describe the heterogeneity of a B220(+)CD117(int)CD19(-)NK1.1(-) uncommitted hematopoietic progenitor having combined lymphoid and myeloid potential. Phenotypic and functional assays revealed four subpopulations within the progenitor with distinct lineage developmental potentials. Among them, the Ly6D(+)SiglecH(-)CD11c(-) fraction was lymphoid-restricted exhibiting strong B-cell potential, whereas the Ly6D(-)SiglecH(-)CD11c(-) fraction showed mixed lympho-myeloid potential...
October 13, 2017: EMBO Journal
https://www.readbyqxmd.com/read/29029455/mobilization-studies-in-mice-deficient-in-sphingosine-kinase-2-support-a-crucial-role-of-the-plasma-level-of-sphingosine-1-phosphate-in-the-egress-of-hematopoietic-stem-progenitor-cells
#11
Mateusz Adamiak, Lakshman Chelvarajan, Kevin R Lynch, Webster L Santos, Ahmed Abdel-Latif, Mariusz Z Ratajczak
Sphingosine-1-phosphate (S1P) is a bioactive lipid involved in cell signaling and, if released from cells, also plays a crucial role in regulating the trafficking of lympho-hematopoietic cells, including primitive hematopoietic stem/progenitor cells (HSPCs). It has been demonstrated that S1P chemoattracts HSPCs, and its level in peripheral blood creates a gradient directing egress of these cells during mobilization. In this paper we analyzed hematopoiesis in mice deficient in sphingosine kinase 2 (Sphk2-KO mice) and studied the effect of this mutation on plasma S1P levels...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29021532/monocyte-lymphocyte-cross-communication-via-soluble-cd163-directly-links-innate-immune-system-activation-and-adaptive-immune-system-suppression-following-ischemic-stroke
#12
Grant C O'Connell, Connie S Tennant, Noelle Lucke-Wold, Yasser Kabbani, Abdul R Tarabishy, Paul D Chantler, Taura L Barr
CD163 is a scavenger receptor expressed on innate immune cell populations which can be shed from the plasma membrane via the metalloprotease ADAM17 to generate a soluble peptide with lympho-inhibitory properties. The purpose of this study was to investigate CD163 as a possible effector of stroke-induced adaptive immune system suppression. Liquid biopsies were collected from ischemic stroke patients (n = 39), neurologically asymptomatic controls (n = 20), and stroke mimics (n = 20) within 24 hours of symptom onset...
October 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28977951/occupational-ultraviolet-exposure-and-risk-of-non-hodgkin-s-lymphomas-a-meta-analysis
#13
Demin Lu, Fei Xu, Kaiming Hu, Li Yin, Huijie Duan, Jiaojiao Zhang, SuZhan Zhang
Non-Hodgkin lymphoma is a heterogeneous group of lympho-proliferative disorders. We performed a meta-analysis to summarize the available evidence from case-control studies and cohort study on the inconsistent association between occupational sun exposure and the risk of non-Hodgkin lymphoma. We searched PubMed, ISI web of science, the Cochrane Library, EMBASE and reference lists for relevant articles. Study specific odds ratios or relative risk and 95% confidence intervals were pooled by using fixed-effects or random-effects models...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28975603/identifying-a-candidate-population-for-ovarian-conservation-in-young-women-with-clinical-stage-ib-iib-cervical-cancer
#14
Koji Matsuo, Muneaki Shimada, Satoshi Yamaguchi, Hiroyuki Kanao, Toru Nakanishi, Toshiaki Saito, Shoji Kamiura, Takashi Iwata, Mikio Mikami, Toru Sugiyama
This study seeks to identify risk factors associated with ovarian metastasis and to characterize a population with minimum risk of ovarian metastasis in young women with stage IB-IIB cervical cancer. This was a nation-wide multicenter retrospective study in Japan examining consecutive cases of surgically-treated women with clinical stage IB-IIB cervical cancer who had oophorectomy at radical hysterectomy (n=5,697). Multivariable analysis was performed to identify independent risk factors for ovarian metastasis...
October 4, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28966935/brain-derived-neutrophic-factor-bdnf-coordinates-lympho-vascular-metastasis-through-a-fibroblast-governed-paracrine-axis-in-the-tumor-microenvironment
#15
Tilahun Jiffar, Turker Yilmaz, Junegoo Lee, Yair Miller, Lei Feng, Adel El-Naggar, Michael E Kupferman
It has long been known that the tumor microenvironment contributes to the proliferation and survival of neoplasms through the constant interaction with the stromal and immune compartments. In this investigation, we explored the role of cancer-associated fibroblasts (CAFs) in the regulation of the tumor microenvironment in head and neck squamous cell carcinoma (HNSCC) though a complex intercellular BDNF-TrkB signaling system. Our studies show that conditioned media derived from patient-derived CAFs promoted HNSCC cell proliferation, in vitro cell migration, cell invasion and chemotherapy resistance, compared to normal fibroblasts...
2017: Cancer Cell & Microenvironment
https://www.readbyqxmd.com/read/28954450/-study-on-the-relationship-between-laparoscopic-operation-and-pseudo-vascular-invasion-in-stage-%C3%A2-a-endometrial-carcinoma
#16
L W Li, L Han, Y P Wang, Q Chen, L Z Zhang
Objective: To explore relations between pseudo vascular invasion (PVI) and laparoscopic operation in patients with stage Ⅰa endometrial carcinoma. Methods: Details of stage Ⅰa endometrial carcinoma patients' clinical information and pathological sections who received operation treatment between January 2008 and October 2015 were obtained from the Dalian Maternal and Child Health Hospital. There were 515 cases entrolled into this study, including 332 (64.5%) cases performed surgery by laparoscopy and 183 (35...
September 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28952277/risk-factors-predicting-colorectal-cancer-recurrence-following-initial-treatment-a-5-year-cohort-study
#17
Mohammad Zare-Bandamiri, Mohammad Fararouei, Shadi Zohourinia, Nima Daneshi, Mostafa Dianatinasab
Purpose: Recurrence is one of the most important factors influencing survival of colorectal cancer patients. Subjects and Methods: In this cohort study, clinical and demographic characteristics of 561 patients with colorectal cancer were collected from 2010 to 2015. Medical records and telephone interviews were used to define the patient’s clinical status including the date of any recurrence during the study period. The multivariate Cox model was used as the main strategy for analyzing data. Results: Some 239 (42...
September 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28948641/performance-evaluation-of-the-white-cell-precursor-channel-on-the-sysmex-xn-hematology-analyzer-in-hiv-specimens
#18
Elise Schapkaitz, Phoyisile Khoza
BACKGROUND: Automated hematology analyzers generate white blood cell (WBC) suspect flags to indicate smears requiring manual review. In a human immunodeficiency virus (HIV) patient population with a high frequency of abnormal specimens, the usefulness of these flags depends on their sensitivity and specificity. The white cell precursor (WPC) channel on the Sysmex XN-9000 analyzer (Sysmex Corporation, Kobe, Japan) has recently been introduced in order to distinguish immature cells such as blasts and abnormal lymphocytes...
September 26, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28877360/improvement-of-the-efficacy-of-vascularized-lymph-node-transfer-for-lower-extremity-lymphedema-via-a-prefabricated-lympho-venous-shunt-through-lymphaticovenular-anastomosis-between-the-efferent-lymphatic-vessel-and-small-vein-in-the-elevated-vascularized-lymph
#19
Shinsuke Akita, Yoshihisa Yamaji, Hideki Tokumoto, Yoshitaro Sasahara, Yoshitaka Kubota, Motone Kuriyama, Nobuyuki Mitsukawa
BACKGROUND: Following vascularized lymph node (VLN) transfer (VLNT), the VLN may be at a risk for sclerosis because of efferent lymphatic vessel obstruction. We developed a new technique to prevent VLN sclerosis via a prefabricated lympho-venous (LV) shunt. This study compared the treatment outcomes of single VLNT with prefabricated LV shunt, conventional multiple VLNTs, and conventional single VLNT. METHODS: Overall, 47 limbs of 45 patients that underwent VLNT for lower-extremity lymphedema (LEL) in late clinical stage II/III were divided into 3 groups: conventional single VLNT group (control; 21 limbs where 4 had primary LEL), multiple VLNTs group (13 limbs where 3 had primary LEL), and prefabricated LV shunt group (13 limbs where 4 had primary LEL)...
September 6, 2017: Microsurgery
https://www.readbyqxmd.com/read/28870915/critical-overview-of-her2-assessement-in-bladder-cancer-what-is-missing-for-a-better-therapeutic-approach
#20
Anca Maria Cimpean, Valeria Tarlui, Alin Adrian Cumpănaş, Sorin Bolintineanu, Andrei Cumpănaş, Marius Raica
BACKGROUND/AIM: To assess the concordance between IHC and FISH and its influence on tumor type, grade and lympho-vascular invasion (LVI). MATERIALS AND METHODS: HER2 immunohistochemistry (IHC) to 45 cases of bladder carcinoma, followed by fluorescent in situ hybridization (FISH) were applied. RESULTS: 31.12% cases were IHC positive. Less than 35% of HER2-negative cases presented LVI and this percent increased to 54.54% for +1 HER2 cases. LVI increases up to 57...
September 2017: Anticancer Research
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