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https://www.readbyqxmd.com/read/28231639/cell-cycle-rna-regulons-coordinating-early-lymphocyte-development
#1
REVIEW
Alison Galloway, Martin Turner
Lymphocytes undergo dynamic changes in gene expression as they develop from progenitor cells lacking antigen receptors, to mature cells that are prepared to mount immune responses. While transcription factors have established roles in lymphocyte development, they act in concert with post-transcriptional and post-translational regulators to determine the proteome. Furthermore, the post-transcriptional regulation of RNA regulons consisting of mRNAs whose protein products act cooperatively allows RNA binding proteins to exert their effects at multiple points in a pathway...
February 23, 2017: Wiley Interdisciplinary Reviews. RNA
https://www.readbyqxmd.com/read/28231616/a-dedicated-nutritional-care-program-nutricare-to-reduce-malnutrition-in-institutionalized-dysphagic-older-people-a-quasi-experimental-study
#2
Milko Zanini, Annamaria Bagnasco, Gianluca Catania, Giuseppe Aleo, Marina Sartini, Maria Luisa Cristina, Stefania Ripamonti, Fiammetta Monacelli, Patrizio Odetti, Loredana Sasso
AIMS AND OBJECTIVES: To assess the effects of a texture-modified food program for dysphagia on the nutritional, biochemical, and functional profile in a cohort of institutionalized older people in Italy. BACKGROUND: Dysphagic institutionalized older people, often also affected by dementia, are frequently exposed to malnutrition. Malnutrition in older people has negative effects on mortality, days of hospitalization, infection, wound healing, and risk of pressure injuries...
February 23, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28231433/discovery-of-a-potent-and-selective-sphingosine-kinase-1-inhibitor-through-the-molecular-combination-of-chemotype-distinct-screening-hits
#3
Mark E Schnute, Matthew D McReynolds, Jeffrey Carroll, Jill E Chrencik, Maureen K Highkin, Kaliapan Iyanar, Gina Jerome, John W Rains, Matthew Saabye, Jeffrey A Scholten, Matthew Yates, Marek M Nagiec
Sphingosine kinase (SphK) is the major source of the lipid mediator and GPCR agonist sphingosine-1-phosphate (S1P). S1P promotes cell growth, survival and migration and is a key regulator of lymphocyte trafficking. Inhibition of S1P signaling has been proposed as a strategy for treatment of inflammatory diseases and cancer. Two different formats of an enzyme based high-throughput screen yielded two attractive chemotypes capable of inhibiting S1P formation in cells. The molecular combination of these screening hits led to compound 22a (PF-543) with two orders of magnitude improved potency...
February 23, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28231431/enhancing-adoptive-cell-therapy-of-cancer-through-targeted-delivery-of-small-molecule-immunomodulators-to-internalizing-or-non-internalizing-receptors
#4
Yiran Zheng, Li Tang, Llian Mabardi, Sudha Kumari, Darrell J Irvine
Adoptive cell therapy (ACT) has achieved striking efficacy in B-cell leukemias, but less success treating other cancers, in part due to the rapid loss of ACT T-cell effector function in vivo due to immunosuppression in solid tumors. Transforming growth factor-β (TGF-β) signaling is an important mechanism of immune suppression in the tumor microenvironment, but systemic inhibition of TGF-β is toxic. Here we evaluated the potential of targeting a small molecule inhibitor of TGF-β to ACT T-cells using PEGylated immunoliposomes...
February 23, 2017: ACS Nano
https://www.readbyqxmd.com/read/28231338/genes-encoding-two-theileria-parva-antigens-recognized-by-cd8-t-cells-exhibit-sequence-diversity-in-south-sudanese-cattle-populations-but-the-majority-of-alleles-are-similar-to-the-muguga-component-of-the-live-vaccine-cocktail
#5
Diaeldin A Salih, Roger Pelle, Joram M Mwacharo, Moses N Njahira, Wani L Marcellino, Henry Kiara, Agol K Malak, Abdel Rahim M El Hussein, Richard Bishop, Robert A Skilton
East Coast fever (ECF), caused by Theileria parva infection, is a frequently fatal disease of cattle in eastern, central and southern Africa, and an emerging disease in South Sudan. Immunization using the infection and treatment method (ITM) is increasingly being used for control in countries affected by ECF, but not yet in South Sudan. It has been reported that CD8+ T-cell lymphocytes specific for parasitized cells play a central role in the immunity induced by ITM and a number of T. parva antigens recognized by parasite-specific CD8+ T-cells have been identified...
2017: PloS One
https://www.readbyqxmd.com/read/28231294/association-of-neutrophil-lymphocyte-ratio-and-t-lymphocytes-with-the-pathogenesis-and-progression-of-hbv-associated-primary-liver-cancer
#6
Xiaoli Liu, Lingling He, Junyan Han, Lijia Wang, Mengge Li, Yuyong Jiang, Xianbo Wang, Zhiyun Yang
BACKGROUND: The neutrophil-lymphocyte ratio (NLR) is a new prognostic predictor for patients with liver cancer. The association of NLR and T lymphocytes with the pathogenesis and progression of liver cancer is poorly understood. METHODS: Seventy-three patients with hepatitis B virus (HBV)-associated primary liver cancer (HBV-PLC), 50 patients with HBV-associated liver cirrhosis (HBV-LC) and 37 patients with chronic HBV infection (CHB) were prospectively enrolled from July 1, 2013 to February 28, 2014 in Beijing Ditan Hospital, Capital Medical University (Beijing, China)...
2017: PloS One
https://www.readbyqxmd.com/read/28231148/potential-use-of-gamma-irradiated-ethnic-ready-to-eat-foods-to-improve-the-nutritional-status-of-landslide-victims
#7
REVIEW
Zubaidah Irawati Koenari, Carmen M Siagian, Bona Simanungkalit, Asti Nilatany, Indra Mustika Pratama, Deudeu Lasmawati, Cecep M Nurcahya
The safety and high quality of ethnic ready-to-eat foods as a source of nourishment and food supplies chain to the remote areas become particularly important. Consuming healthy and balanced nutritional foods means eating better quality foods in proper quantities. Such foods can be developed through a preservation technique by using ionizing radiation. Although implementation of the technology for certain foodstuffs has been implemented in some countries, application of the process to a complete set of meals for selected target groups is still very limited...
July 26, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28230827/astaxanthin-modifies-clastogenic-effects-of-ionizing-radiation-in-vitro-in-peripheral-blood-lymphocytes-of-the-persons-recovered-from-acute-radiation-sickness
#8
D А Kurinnyi, S R Rushkovsky, O B Dybska, G V Dubrovina, M А Pilinska
AIM: To assess radioprotective activity of astaxanthin toward radiation-induced in vitro cytogenetic effects in human peripheral blood lymphocytes (PBL). MATERIALS AND METHODS: PBL from the cleanup workers exposed to ionizing radiation at high doses in 1986 during accident on Chornobyl nuclear power plant and who were diagnosed with acute radiation sickness of the first and second degrees, were cultured in vitro. Astaxanthin was added into the culture medium at a final concentration of 20...
December 2016: Experimental Oncology
https://www.readbyqxmd.com/read/28230823/polymorphism-of-dna-repair-gene-xpd-lys751gln-and-chromosome-aberrations-in-lymphocytes-of-thyroid-cancer-patients-exposed-to-ionizing-radiation-due-to-the-chornobyl-accident
#9
V M Shkarupa, O Y Mishcheniuk, S O Henyk-Berezovska, V O Palamarchuk, S V Klymenko
: The aim of this work was to analyze the relationship between polymorphisms of DNA repair gene XPD Lys751Gln and frequency and spectrum of chromosome aberrations in the culture of peripheral blood lymphocytes of thyroid cancer (TC) patients having been exposed to ionizing radiation due to the Chornobyl accident. MATERIALS AND METHODS: XPD Lys751Gln polymorphisms were detected by polymerase chain reaction in 102 TC patients including 38 patients exposed to ionizing radiation due to Chornobyl disaster (Chornobyl recovery workers, evacuees, and the residents of contaminated areas), 64 patients without history of ionizing radiation exposure and 45 healthy residents of Ukraine as control group...
December 2016: Experimental Oncology
https://www.readbyqxmd.com/read/28230820/the-distribution-of-tp53-gene-polymorphisms-in-chronic-lymphocytic-leukemia-patients-sufferers-of-chornobyl-nuclear-power-plant-accident
#10
N I Bilous, I V Abramenko, A A Chumak, I S Dyagil, Z V Martina
: Previous analyses in a cohort of Chornobyl cleanup workers revealed significantly increased radiation-related risk for all leukemia types, including chronic lymphocytic leukemia (CLL). Numerous investigations emphasized the significance of genetic susceptibility to the radiation carcinogenesis. The aim of the work was to study the distribution of TP53 single nucleotide polymorphisms (SNPs) in CLL patients exposed to ionizing radiation (IR) due to Chornobyl nuclear power plant accident and estimate their impact on disease development...
December 2016: Experimental Oncology
https://www.readbyqxmd.com/read/28230819/chornobyl-catastrophe-cytogenetic-effects-of-low-dose-ionizing-radiation-and-their-modification
#11
E A Domina
Among the long-term effects of the Chornobyl disaster the greatest concern of international medical and scientific community is given to the established fact of excess of the spontaneous level of cancer incidence in the exposed population. According to mo-dern concepts, the accumulation of chromosome aberrations, especially in radiosensitive cells, could be potentially oncogenic, and low doses of ionizing radiation could be promoters of the radiation-induced carcinogenesis. The results of our studies have shown that such substances as thymalin, inosine, ascorbic acid, caffeine could modify radiation-induced cytogenetic effects in peripheral blood lymphocytes of healthy individuals and exert protective or sensitizing action dependent on their concentrations, cell radiosensitivity, dose of irradiation, and relative biologic effectiveness of ionizing radiation...
December 2016: Experimental Oncology
https://www.readbyqxmd.com/read/28230773/programmed-death-ligand-1-pd-l1-tumor-expression-is-associated-with-a-better-prognosis-and-diabetic-disease-in-triple-negative-breast-cancer-patients
#12
Gerardo Botti, Francesca Collina, Giosuè Scognamiglio, Federica Rao, Valentina Peluso, Rossella De Cecio, Michela Piezzo, Gabriella Landi, Michelino De Laurentiis, Monica Cantile, Maurizio Di Bonito
Triple Negative Breast Cancers (TNBC) subtype is an aggressive disease with poor clinical outcome. The only treatment available is surgery followed by chemotherapy or radiotherapy. Programmed death-ligand 1 (PD-L1) is a trans-membrane protein expressed on a wide variety of cells including immune cells, epithelial and vascular endothelial cells. Recently, PD-1/PD-L1 pathway signaling was described as an adaptive immune resistance mechanism enacted by the tumor cells to evade the immune response. Its presence on tumor cell membranes, acquired for this reason, through time, is an important prognostic value...
February 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28230642/strategies-to-obtain-diverse-and-specific-human-monoclonal-antibodies-from-transgenic-animals
#13
Marianne Brüggemann, Michael J Osborn, Biao Ma, Roland Buelow
Techniques to obtain large quantities of antigen-specific monoclonal antibodies, mAbs, were first established in the 1970s when Georges Köhler and César Milstein immortalized antibody-producing mouse B-lymphocytes by fusion with myeloma cells (http://www.whatisbiotechnology.org/exhibitions/milstein). Combined with the expression of human antibodies in transgenic animals, this technique allowed upon immunization the generation of highly specific fully human mAbs for therapeutic applications. Apart from being extremely beneficial, mAbs are a huge success commercially...
February 23, 2017: Transplantation
https://www.readbyqxmd.com/read/28230505/morphology-and-cell-death-of-human-leukaemia-t-lymphocytes-jurkat-cells-expressing-hiv-1-tat-72
#14
J Gilloteaux, J Koch, J M Jamison
No abstract text is available yet for this article.
January 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28230288/a-dual-label-time-resolved-fluorescence-immunoassay-for-the-simultaneous-determination-of-ferritin-and-%C3%AE-2-microglobulin
#15
Zhi Liu, Jing Huang, Rui-Ming Ou, Meng-Dong Yao, Yan-Lin She, Rui Chen, Cheng Li, Li Xu, Aikebaier Abudureyimu, Qing Zhang, Shuang Liu
BACKGROUND: Lymphocytic leukemia is a kind of primary malignant tumor of hematopoietic tissue. The aim was to establish a dual-label time-resolved fluorescence immunoassay (TRFIA) for the simultaneous determination of ferritin (FER) and β2 -microglobulin (β2 -MG) for the early screening and follow-up surveillance of lymphocytic leukemia. METHODS: The sandwich immunoassay was used to detect the concentration of FER, and the competitive immunoassay was used to detect the concentration of β2 -MG in serum...
February 23, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28230270/a-phase-2-study-of-lenalidomide-rituximab-cyclophosphamide-and-dexamethasone-lr-cd-for-untreated-low-grade-non-hodgkin-lymphoma-requiring-therapy
#16
Allison Rosenthal, Amylou C Dueck, Stephen Ansell, Katherine Gano, Christopher Conley, Grzegorz S Nowakowski, John Camoriano, Jose F Leis, Joseph R Mikhael, A Keith Stewart, David Inwards, David Dingli, Shaji Kumar, Pierre Noel, Morie Gertz, Luis Porrata, Stephen Russell, Joseph Colgan, Rafael Fonseca, Thomas M Habermann, Prashant Kapoor, Francis Buadi, Nelson Leung, Rodger Tiedemann, Thomas E Witzig, Craig Reeder
Patients with indolent NHL have multiple treatment options yet there is no consensus as to the best initial therapy. Lenalidomide, an immunomodulatory agent, has single agent activity in relapsed lymphoma. This trial was conducted to assess feasibility, efficacy and safety of adding lenalidomide to rituximab, cyclophosphamide, and dexamethasone (LR-CD) in untreated indolent NHL patients requiring therapy. This was a single institution phase II trial. Treatment consisted of IV rituximab 375mg/m(2) day 1, oral lenalidomide 20mg days 1-21, cyclophosphamide 250mg/m(2) days 1, 8, 15, and dexamethasone 40mg days 1, 8, 15, 22, of a 28-day cycle...
February 23, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28230172/evidence-for-critical-role-of-lymphocyte-cytosolic-protein-1-in-oral-cancer
#17
Nao Koide, Atsushi Kasamatsu, Yosuke Endo-Sakamoto, Sho Ishida, Toshihiro Shimizu, Yasushi Kimura, Isao Miyamoto, Shusaku Yoshimura, Masashi Shiiba, Hideki Tanzawa, Katsuhiro Uzawa
Lymphocyte cytosolic protein 1 (LCP1), a member of actin-binding protein of the plastin family, has been identified in several malignant tumors of non-hematopoietic sites, such as the colon, prostate, and breast. However, little is known about the roles of LCP1 in oral squamous cell carcinomas (OSCCs). This present study sought to clarify the clinical relevance of LCP1 in OSCCs and investigate possible clinical applications for treating OSCCs by regulating LCP1 expression. We found up-regulation of LCP1in OSCCs compared with normal counterparts using real-time quantitative reverse transcription polymerase chain reaction (qRT-PCR), immunoblotting, and immunohistochemistry (P < 0...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28229344/variation-in-risk-and-outcomes-of-epstein-barr-virus-associated-breast-cancer-by-epidemiologic-characteristics-and-virus-detection-strategies-an-exploratory-study
#18
Sally L Glaser, Alison J Canchola, Theresa H M Keegan, Christina A Clarke, Teri A Longacre, Margaret L Gulley
PURPOSE: A relationship of Epstein-Barr virus (EBV) and breast cancer etiology and outcome may have clinical utility and potential to enhance understanding of tumor biology. Research to date has yielded variable results, likely reflecting differing virus detection assays and unaddressed epidemiologic heterogeneity across studies. METHODS: Applying our novel, five-target assay detection strategy in an exploratory study, we examined demographic, clinical, and tumor characteristics, and overall survival, associated with EBV positivity in breast adenocarcinomas from 59 non-Hispanic white and 68 Hispanic women sampled by age (<50, 50+) and stage (localized, regional/remote) and examined associations based on single assay targets...
February 22, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28229276/effects-of-chlorella-vulgaris-on-tumor-growth-in-mammary-tumor-bearing-balb-c-mice-discussing-association-of-an-immune-suppressed-protumor-microenvironment-with-serum-ifn%C3%AE-and-igg-decrease-and-spleen-igg-potentiation
#19
Ahad Khalilnezhad, Elham Mahmoudian, Nariman Mosaffa, Ali Anissian, Mohsen Rashidi, Davar Amani
PURPOSE: Chlorella vulgaris (CV) has exhibited immune-enhancing and protective activities against cancer and infections. However, there is an increasing concern about the use of Chlorella species in human, regarding its various molecules with antigenic features found in infectious microorganisms. Our goal was to investigate the impact of higher concentrations of CV on tumor growth in spontaneous mouse mammary tumor (SMMT) models. METHODS: Balb/c mice were daily given CV powder at doses of 0, 200, or 300 mg/kg for 42 days (CONTROL, CV200, and CV300 groups, respectively; n = 6/group)...
February 22, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28228907/primary-osseous-burkitt-lymphoma-with-nodal-and-intracardiac-metastases-in-a-child
#20
Lina Cadavid, Jorge M Sastoque, Carolina Gutiérrez, Mirna Yabur, Gustavo Molina
Burkitt lymphoma (BL) is the most frequent non-Hodgkin lymphoma in pediatric patients, accounting for approximately 34% of the cases of lymphoma in children. This subtype of non-Hodgkin lymphoma was first described in 1958 as a monoclonal proliferation of B cell lymphocytes. Cardiac involvement of BL in association with osseous compromise and lymphadenopathy is rare and poorly documented. We report a case of femur primary BL in an 8-year-old boy with metastatic cardiac involvement, retroperitoneal and iliofemoral lymphadenopathy, and hepatosplenomegaly...
March 2017: Radiology case reports
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