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https://www.readbyqxmd.com/read/28327965/carbon-dating-cancer-defining-the-chronology-of-metastatic-progression-in-colorectal-cancer
#1
H Lote, I Spiteri, L Ermini, A Vatsiou, A Roy, A McDonald, N Maka, M Balsitis, N Bose, M Simbolo, A Mafficini, A Lampis, J C Hahne, F Trevisani, Z Eltahir, G Mentrasti, C Findlay, Eaj Kalkman, M Punta, B Werner, S Lise, A Aktipis, C Maley, M Greaves, C Braconi, J White, M Fassan, A Scarpa, A Sottoriva, N Valeri
Background: HASH(0x3e3cb80) Patients often ask oncologists how long a cancer has been present before causing symptoms or spreading to other organs. The evolutionary trajectory of cancers can be defined using phylogenetic approaches but lack of chronological references makes dating the exact onset of tumours very challenging. Patients and Methods: HASH(0x47b0aa8) Here we describe the case of a colorectal cancer patient presenting with synchronous lung metastasis and metachronous thyroid, chest wall and urinary tract metastases over the course of five years...
February 23, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28327618/the-transcriptional-repressor-hic1-regulates-intestinal-immune-homeostasis
#2
K Burrows, F Antignano, M Bramhall, A Chenery, S Scheer, V Korinek, T M Underhill, C Zaph
The intestine is a unique immune environment that must respond to infectious organisms but remain tolerant to commensal microbes and food antigens. However, the molecular mechanisms that regulate immune cell function in the intestine remain unclear. Here we identify the POK/ZBTB family transcription factor hypermethylated in cancer 1 (HIC1, ZBTB29) as a central component of immunity and inflammation in the intestine. HIC1 is specifically expressed in immune cells in the intestinal lamina propria (LP) in the steady state and mice with a T-cell-specific deletion of HIC1 have reduced numbers of T cells in the LP...
March 22, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28327439/an-in-silico-functional-annotation-and-screening-of-potential-drug-targets-derived-from-leishmania-spp-hypothetical-proteins-identified-by-immunoproteomics
#3
Miguel A Chávez-Fumagalli, Mônica S Schneider, Daniela P Lage, Ricardo A Machado-de-Ávila, Eduardo A F Coelho
Leishmaniasis is a parasitic disease caused by the protozoan of the Leishmania genus. While no human vaccine is available, drugs such as pentavalent antimonials, pentamidine and amphotericin B are used for treat the patients. However, the high toxicity of these pharmaceutics, the emergence of parasite resistance and/or their high cost have showed to the urgent need of identify new targets to be employed in the improvement of the treatment against leishmaniasis. In a recent immunoproteomics approach performed in the Leishmania infantum species, 104 antigenic proteins were recognized by antibodies in sera of visceral leishmaniasis (VL) dogs...
March 19, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28327103/morphological-and-phenotypical-features-of-ovarian-metastases-in-breast-cancer-patients
#4
Inge T A Peters, Merle A van der Steen, Bertine W Huisman, Carina G J M Hilders, Vincent T H B M Smit, Alexander L Vahrmeijer, Cornelis F M Sier, J Baptist Trimbos, Peter J K Kuppen
BACKGROUND: Autotransplantation of frozen-thawed ovarian tissue is a method to preserve ovarian function and fertility in patients undergoing gonadotoxic therapy. In oncology patients, the safety cannot yet be guaranteed, since current tumor detection methods can only exclude the presence of malignant cells in ovarian fragments that are not transplanted. We determined the need for a novel detection method by studying the distribution of tumor cells in ovaries from patients with breast cancer...
March 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28325910/an-rna-nanoparticle-vaccine-against-zika-virus-elicits-antibody-and-cd8-t-cell-responses-in-a-mouse-model
#5
Jasdave S Chahal, Tao Fang, Andrew W Woodham, Omar F Khan, Jingjing Ling, Daniel G Anderson, Hidde L Ploegh
The Zika virus (ZIKV) outbreak in the Americas and South Pacific poses a significant burden on human health because of ZIKV's neurotropic effects in the course of fetal development. Vaccine candidates against ZIKV are coming online, but immunological tools to study anti-ZIKV responses in preclinical models, particularly T cell responses, remain sparse. We deployed RNA nanoparticle technology to create a vaccine candidate that elicited ZIKV E protein-specific IgG responses in C57BL/6 mice as assayed by ELISA...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28324093/association-between-radiation-therapy-surgery-or-observation-for-localized-prostate-cancer-and-patient-reported-outcomes-after-3-years
#6
Daniel A Barocas, JoAnn Alvarez, Matthew J Resnick, Tatsuki Koyama, Karen E Hoffman, Mark D Tyson, Ralph Conwill, Dan McCollum, Matthew R Cooperberg, Michael Goodman, Sheldon Greenfield, Ann S Hamilton, Mia Hashibe, Sherrie H Kaplan, Lisa E Paddock, Antoinette M Stroup, Xiao-Cheng Wu, David F Penson
Importance: Understanding the adverse effects of contemporary approaches to localized prostate cancer treatment could inform shared decision making. Objective: To compare functional outcomes and adverse effects associated with radical prostatectomy, external beam radiation therapy (EBRT), and active surveillance. Design, Setting, and Participants: Prospective, population-based, cohort study involving 2550 men (≤80 years) diagnosed in 2011-2012 with clinical stage cT1-2, localized prostate cancer, with prostate-specific antigen levels less than 50 ng/mL, and enrolled within 6 months of diagnosis...
March 21, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28323339/adjuvant-radiation-therapy-androgen-deprivation-and-docetaxel-for-high-risk-prostate-cancer-postprostatectomy-results-of-nrg-oncology-rtog-study-0621
#7
Mark D Hurwitz, Jonathan Harris, Oliver Sartor, Ying Xiao, Bobby Shayegan, Paul W Sperduto, Kasra R Badiozamani, Colleen A F Lawton, Eric M Horwitz, Jeff M Michalski, Kevin Roof, David C Beyer, Qiang Zhang, Howard M Sandler
BACKGROUND: Phase 3 trials have demonstrated a benefit from adjuvant radiation therapy (ART) for men who have adverse factors at radical prostatectomy (RP). However, some patients have a high risk of progression despite ART. The role of systemic therapy with ART in this high-risk group remains to be defined. METHODS: Patients who had either a post-RP prostate-specific antigen (PSA) nadir > 0.2 ng/mL and a Gleason score ≥7 or a PSA nadir ≤0.2 ng/mL, a Gleason score ≥8, and a pathologic tumor (pT) classification ≥ pT3 received 6 months of androgen-deprivation therapy (ADT) plus radiotherapy and 6 cycles of docetaxel...
March 21, 2017: Cancer
https://www.readbyqxmd.com/read/28323141/mechanistic-and-pharmacologic-insights-on-immune-checkpoint-inhibitors
#8
REVIEW
Randy F Sweis, Jason J Luke
The concept of augmenting the immune system to eradicate cancer dates back at least a century. A major resurgence in cancer immunotherapy has occurred over the past decade since the identification and targeting of negative regulators with antibody therapies to augment the anti-tumor immune response. Unprecedented responses across a broad array of cancer types elevated this class of therapies to the forefront of cancer treatment. The most successful drugs to date target the cytotoxic T-lymphocyte-associated antigen-4 (CTLA-4) and programmed cell death-1 (PD-1) pathways...
March 18, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28323045/vitamin-d-receptor-gene-polymorphisms-among-emirati-patients-with-type-2-diabetes-mellitus
#9
Habiba Al Safar, Sarah El Hajj Chehadeh, Laila Abdel-Wareth, Afrozul Haq, Herbert F Jelinek, Gehad ElGhazali, Fatme Al Anouti
At a prevalence rate close to 19.5%, the UAE has one of the highest rates of Type 2 Diabetes Mellitus (T2DM) in the world. Genome wide association studies (GWAS) have led to the identification of several genetic variants that are associated with T2DM. Recently, genes involved in vitamin D metabolism have gained interest because of the association between vitamin D deficiency (VDD) and increased risk for T2DM. Among these, the Vitamin D receptor (VDR) gene is a good candidate for T2DM susceptibility. The aim of this study was to investigate the association between VDR polymorphisms and T2DM among a representative sample of the Emirati population...
March 16, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28322160/an-efficient-transient-expression-system-for-enhancing-generation-of-monoclonal-antibodies-in-293-suspension-cells
#10
Guoquan Zhang, Jie Liu, Wanting Fan, Qianyi Chen, Bin Shi
BACKGROUND: Recombinant monoclonal antibodies (mAbs) are useful in research, diagnosis, and therapy. The increased demands of recombinant mAbs require efficient production systems. A variety of expression vectors have been developed for stable or transient production of mAb in mammalian cells. However, though a few commercial expression systems of mAbs can be listened, the high expense often impedes academia researches. METHODS: In this study, we described the development of a transient mammalian system based on a bicistronic vector, which contains internal ribosome entry site (IRES) and enhancer elements to express IgG1 light chain (LC) and heavy chain (HC) in one transcript...
March 20, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28321220/adjusted-particle-size-eliminates-the-need-of-linkage-of-antigen-and-adjuvants-for-appropriated-t-cell-responses-in-virus-like-particle-based-vaccines
#11
Ariane C Gomes, Anna Flace, Philippe Saudan, Franziska Zabel, Gustavo Cabral-Miranda, Aadil El Turabi, Vania Manolova, Martin F Bachmann
Since the discovery of the first virus-like particle (VLP) derived from hepatitis B virus in 1980 (1), the field has expanded substantially. Besides successful use of VLPs as safe autologous virus-targeting vaccines, the powerful immunogenicity of VLPs has been also harnessed to generate immune response against heterologous and even self-antigens (2-4). Linking adjuvants to VLPs displaying heterologous antigen ensures simultaneous delivery of all vaccine components to the same antigen-presenting cells. As a consequence, antigen-presenting cells, such as dendritic cells, will process and present the antigen displayed on VLPs while receiving costimulatory signals by the VLP-incorporated adjuvant...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28320859/2-arachidonoylglycerol-ameliorates-inflammatory-stress-induced-insulin-resistance-in-cardiomyocytes
#12
Dipanjan Chanda, Yvonne Oligschlaeger, Ilvy Geraets, Yilin Liu, Xiaoqing Zhu, Jieyi Li, Miranda Nabben, Will Coumans, Joost J F P Luiken, Jan F C Glatz, Dietbert Neumann
Several studies have linked impaired glucose uptake and insulin resistance (IR) to functional impairment of the heart. Recently, endocannabinoids have been implicated in cardiovascular disease. However, the mechanisms involving endocannabinoid signaling, glucose uptake and IR in cardiomyocytes are understudied. Here, we report the endocannabinoid 2-Arachidonoylglycerol (2-AG) via stimulation of cannabinoid type-1 (CB1) receptor and Ca2+/Calmodulin-dependent protein kinase β (CaMKKβ) activates AMPK leading to increased glucose uptake...
March 20, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28320178/profile-of-von-willebrand-factor-antigen-and-von-willebrand-factor-propeptide-in-an-overall-tia-and-ischaemic-stroke-population-and-amongst-subtypes
#13
W O Tobin, J A Kinsella, G F Kavanagh, J S O'Donnell, R T McGrath, S Tierney, B Egan, T M Feeley, T Coughlan, D R Collins, D O'Neill, Sjx Murphy, S J Lim, R P Murphy, Djh McCabe
INTRODUCTION: Von Willebrand factor propeptide (VWF:Ag II) is proposed to be a more sensitive marker of acute endothelial activation than von Willebrand factor antigen (VWF:Ag). Simultaneous data on VWF:Ag and VWF:Ag II profiles are very limited following TIA and ischaemic stroke. METHODS: In this prospective, observational, case-control study, plasma VWF:Ag and VWF:Ag II levels were quantified in 164 patients≤4weeks of TIA or ischaemic stroke (baseline), and then ≥14days (14d) and ≥90days (90d) later, and compared with those from 27 healthy controls...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28319590/endocannabinoid-and-mood-responses-to-exercise-in-adults-with-varying-activity-levels
#14
Angelique G Brellenthin, Kevin M Crombie, Cecilia J Hillard, Kelli F Koltyn
Acute aerobic exercise improves mood and activates the endocannabinoid (eCB) system in physically active individuals; however, both mood and eCB responses to exercise may vary based on habitual levels of physical activity. PURPOSE: To examine eCB and mood responses to prescribed and preferred exercise among individuals with low, moderate, and high levels of physical activity. METHODS: Thirty-six healthy adults (21±4yrs) were recruited from low (≤60min moderate-vigorous physical activity [MVPA]/wk), moderate (150-299min MVPA/wk), and high (≥300 MVPA/wk) physical activity groups...
March 18, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28319565/bone-marrow-graft-versus-host-disease-in-major-histocompatibility-complex-matched-murine-reduced-intensity-allogeneic-hemopoietic-cell-transplantation
#15
Kifah Shahin, Zamil Mattar, Pablo Silveira, Wei-Hsun Hsu, Linda Bendall, Derek Hart, Kenneth F Bradstock
BACKGROUND: Most clinical allogeneic hemopoietic cell transplants (alloHCT) are now performed using reduced intensity conditioning (RIC) instead of myeloablative (MAC) conditioning, however, the biology underlying this treatment remains incompletely understood. METHODS: We investigated a murine model of major histocompatibility complex (MHC)-matched multiple minor histocompatibility antigen mismatched alloHCT, using bone marrow (BM) cells and splenocytes from B6 (H-2) donor mice transplanted into BALB...
March 18, 2017: Transplantation
https://www.readbyqxmd.com/read/28319170/antibody-response-against-phop-efficiently-discriminates-among-healthy-individuals-tuberculosis-patients-and-their-contacts
#16
Aurobind Vidyarthi, Nargis Khan, Tapan Agnihotri, Kaneez F Siddiqui, Girish R Nair, Ashish Arora, Ashok K Janmeja, Javed N Agrewala
Tuberculosis continues to be one of the most devastating global health problem. Its diagnosis will benefit in timely initiation of the treatment, cure and therefore reduction in the transmission of the disease. Tests are available, but none can be comprehensively relied on for its diagnosis; especially in TB-endemic zones. PhoP is a key player in Mycobacterium tuberculosis virulence but nothing has been known about its role in the diagnosis of TB. We monitored the presence of anti-PhoP antibodies in the healthy, patients and their contacts...
2017: PloS One
https://www.readbyqxmd.com/read/28318109/agreement-between-factor-xiii-activity-and-antigen-assays-in-measurement-of-factor-xiii-a-french-multicenter-study-of-147-human-plasma-samples
#17
C Caron, R Meley, V Le Cam Duchez, M F Aillaud, C Lavenu-Bombled, F Dutrillaux, C Flaujac, A Ryman, C Ternisien, D Lasne, H Galinat, C Pouplard
INTRODUCTION: Factor XIII (FXIII) deficiency is a rare hemorrhagic disorder whose early diagnosis is crucial for appropriate treatment and prophylactic supplementation in cases of severe deficiency. International guidelines recommend a quantitative FXIII activity assay as first-line screening test. FXIII antigen measurement may be performed to establish the subtype of FXIII deficiency (FXIIID) when activity is decreased. METHODS: The aim of this multicenter study was to evaluate the analytical and diagnostic levels of performance of a new latex immunoassay, K-Assay(®) FXIII reagent from Stago, for first-line measurement of FXIII antigen...
March 20, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28317092/serpinc1-gene-mutations-in-antithrombin-deficiency
#18
René Mulder, F Nanne Croles, André B Mulder, James A Huntington, Karina Meijer, Michaël V Lukens
Existing evidence suggests that in most cases antithrombin deficiency can be explained by mutations in its gene, SERPINC1. We investigated the molecular background of antithrombin deficiency in a single centre family cohort study. We included a total of 21 families comprising 15 original probands and sixty-six relatives, 6 of who were surrogate probands for the genetic analysis. Antithrombin activity and antigen levels were measured. The heparin-antithrombin binding ratio assay was used to distinguish between the different subtypes of type II antithrombin deficiency...
March 20, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28316596/the-efficacy-of-humanized-antibody-against-the-sporothrix-antigen-gp70-in-promoting-phagocytosis-and-reducing-disease-burden
#19
José R F de Almeida, Karla L Santiago, Gilberto H Kaihami, Andrea Q Maranhão, Marcelo de Macedo Brígido, Sandro R de Almeida
Sporotrichosis is a subcutaneous mycosis distributed worldwide and is frequently reported in countries with tropical climates, as Latin America countries. We previously demonstrated that mice with sporotrichosis produce specific antibodies against a 70-kDa fungal protein, indicating that specific antibodies against this molecule may help to control the sporotrichosis. IgG1 monoclonal antibody was generated, and called mAbP6E7, in mice against a 70-kDa glycoprotein (gp70) of S. schenckii. The mAbP6E7 showed prophylactic and therapeutic activity against sporotrichosis...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28316416/murine-hepatocytes-dna-changes-as-an-assessment-of-the-immunogenicity-of-potential-anti-schistosomal-vaccines-experimentally
#20
Samia E Etewa, Mohamed H A Hegab, Ashraf S Metwally, Somia H Abd Allah, Sally M Shalaby, Amal S El-Shal, Mohamed Baredy, Mahmoud A El Shafey, Howayda S F Moawad
Hepatic affection by granulomatous inflammation in schistosomiasis suggested that a potential anti-pathology vaccine could be generated based on limiting the presence of hazardous hepatocytes induced apoptosis and caused reduction of granulomas number and size . So, this work is concerned with experimental assessment of the efficacy of different Schistosoma mansoni antigens (SEA, SWAP and combined SEA and SWAP) on murine liver after challenge by Schistosoma infection, histopathological, histochemical and molecular investigations were performed on sixty male laboratory bred Swiss Albino mice...
March 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
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