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https://www.readbyqxmd.com/read/28545019/circulating-soluble-programmed-death-1-levels-may-differentiate-immune-tolerant-phase-from-other-phases-and-hepatocellular-carcinoma-from-other-clinical-diseases-in-chronic-hepatitis-b-virus-infection
#1
Na Li, Zhihua Zhou, Fang Li, Jiao Sang, Qunying Han, Yi Lv, Wenxuan Zhao, Chunyan Li, Zhengwen Liu
Programmed death-1 (PD-1) is involved in the immune dysfunction of hepatitis B virus (HBV) infection and hepatocellular carcinoma (HCC). This study analyzed the association of circulating soluble PD-1 (sPD-1) levels with the phases and clinical diseases in chronic HBV infection. Serum sPD-1 levels were determined by enzyme linked immunosorbent assay in patients with different phases and liver diseases of chronic HBV infection. The sPD-1 levels in patients with chronic HBV infection were significantly elevated compared with HBV infection resolvers or healthy controls...
May 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28544595/severe-cytokine-release-syndrome-in-a-patient-receiving-pd-1-directed-therapy
#2
Seth J Rotz, Daniel Leino, Sara Szabo, Jennifer L Mangino, Brian K Turpin, Joseph G Pressey
Cytokine release syndrome (CRS) is a phenomenon of immune hyperactivation described in the setting of cellular and bispecific T-cell engaging immunotherapy. Checkpoint blockade using anti-programmed cell death 1 (anti-PD-1) inhibitors is an approach to antitumor immune system stimulation. A 29-year-old female with alveolar soft part sarcoma developed severe CRS after treatment with anti-PD-1 therapy. CRS was characterized by high fevers, encephalopathy, hypotension, hypoxia, hepatic dysfunction, and evidence of coagulopathy, and resolved after infusion of the interleukin-6 inhibitor tocilizumab and corticosteroids...
May 24, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28544524/increase-of-cells-expressing-pd-1-and-pd-l1-and-enhancement-of-ifn-%C3%AE-production-via-pd-1-pd-l1-blockade-in-bovine-mycoplasmosis
#3
Shinya Goto, Satoru Konnai, Tomohiro Okagawa, Asami Nishimori, Naoya Maekawa, Satoshi Gondaira, Hidetoshi Higuchi, Masateru Koiwa, Motoshi Tajima, Junko Kohara, Satoshi Ogasawara, Yukinari Kato, Yasuhiko Suzuki, Shiro Murata, Kazuhiko Ohashi
INTRODUCTION: Bovine mycoplasma, chiefly Mycoplasma bovis, is a pathogen that causes pneumonia, mastitis, arthritis, and otitis media in cattle. This pathogen exerts immunosuppressive effects, such as the inhibition of interferon production. However, the mechanisms involved in bovine mycoplasmosis have not been fully elucidated. In this study, we investigated the role of the programmed death-1 (PD-1)/programmed death-ligand 1 (PD-L1) pathway in immunosuppression in bovine mycoplasmosis...
May 24, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28543699/immune-and-molecular-correlates-in-melanoma-treated-with-immune-checkpoint-blockade
#4
REVIEW
Elizabeth H Byrne, David E Fisher
Immunotherapy for metastatic melanoma has a decades-long history, and the relatively recent use of checkpoint inhibitors has revolutionized treatment. Durable and sometimes complete remission of metastatic melanoma is now achievable in some patients who receive checkpoint-blocking therapy. However, it is unclear why some patients fare better than others. This review highlights several molecular indicators of response to checkpoint inhibition in metastatic melanoma, focusing on tumor programmed death ligand 1 expression, major histocompatibility complex class I expression, mutational load in the tumor, and T-cell infiltration into the tumor...
June 1, 2017: Cancer
https://www.readbyqxmd.com/read/28543359/impact-of-resident-involvement-in-outpatient-otolaryngology-procedures-an-analysis-of-17-647-cases
#5
Andrew B Baker, Adrian A Ong, Brendan P O'Connell, Alexander D Sokohl, William B Clinkscales, Ted A Meyer
OBJECTIVE: This study examines the impact of resident physician participation on postoperative outcomes in outpatient otolaryngologic surgery. STUDY DESIGN: Retrospective cohort. METHODS: The American College of Surgeons National Surgical Quality Improvement Program database was queried for outpatient otolaryngologic procedures performed on adult patients. Cases were analyzed with the following cohorts: attending with resident or attending without resident...
May 23, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28542870/the-breast-and-cervical-cancer-early-detection-program-medicaid-and-breast-cancer-outcomes-among-ohio-s-underserved-women
#6
Siran M Koroukian, Paul M Bakaki, Phyo Than Htoo, Xiaozhen Han, Mark Schluchter, Cynthia Owusu, Gregory S Cooper, Johnie Rose, Susan A Flocke
BACKGROUND: As an organized screening program, the national Breast and Cervical Cancer Early Detection Program (BCCEDP) was launched in the early 1990s to improve breast cancer outcomes among underserved women. To analyze the impact of the BCCEDP on breast cancer outcomes in Ohio, this study compared cancer stages and mortality across BCCEDP participants, Medicaid beneficiaries, and "all others." METHODS: This study linked data across the Ohio Cancer Incidence Surveillance System, Medicaid, the BCCEDP database, death certificates, and the US Census and identified 26,426 women aged 40 to 64 years who had been diagnosed with incident invasive breast cancer during the years 2002-2008 (deaths through 2010)...
May 23, 2017: Cancer
https://www.readbyqxmd.com/read/28542119/current-tobacco-smoking-and-desire-to-quit-smoking-among-students-aged-13-15-years-global-youth-tobacco-survey-61-countries-2012-2015
#7
René A Arrazola, Indu B Ahluwalia, Eugene Pun, Isabel Garcia de Quevedo, Stephen Babb, Brian S Armour
Tobacco use is the world's leading cause of preventable morbidity and mortality, resulting in nearly 6 million deaths each year (1). Smoked tobacco products, such as cigarettes and cigars, are the most common form of tobacco consumed worldwide (2), and most tobacco smokers begin smoking during adolescence (3). The health benefits of quitting are greater for persons who stop smoking at earlier ages; however, quitting smoking at any age has health benefits (4). CDC used the Global Youth Tobacco Survey (GYTS) data from 61 countries across the six World Health Organization (WHO) regions from 2012 to 2015 to examine the prevalence of current tobacco smoking and desire to quit smoking among students aged 13-15 years...
May 26, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28541851/primary-malignancy-is-an-independent-determinant-of-morbidity-and-mortality-after-liver-resection
#8
Marc W Fromer, John P Gaughan, Umur M Atabek, Francis R Spitz
Although outcomes after liver resection have improved, there remains considerable perioperative morbidity and mortality with these procedures. Studies suggest a primary liver cancer diagnosis is associated with poorer outcomes, but the extent to which this is attributable to a higher degree of hepatic dysfunction is unclear. To better delineate this, we performed a matched pair analysis of primary versus metastatic malignancies using a national database. The American College of Surgeons National Surgical Quality Improvement Program (2005-2013) was analyzed to select elective liver resections...
May 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28539815/increase-of-soluble-programmed-cell-death-ligand-1-in-patients-with-chronic-hepatitis-c
#9
Satoshi Yamagiwa, Toru Ishikawa, Nobuo Waguri, Soichi Sugitani, Kenya Kamimura, Atsunori Tsuchiya, Masaaki Takamura, Hirokazu Kawai, Shuji Terai
Objectives: To determine whether the soluble programmed cell death ligand 1 (sPD-L1) levels in patients with chronic hepatitis C (CHC) are associated with the clinical features of the disease and the efficacy of treatment, including interferon (IFN)-α. Methods: We investigated the sPD-L1 levels in the sera of 80 genotype 1b Japanese patients with CHC who underwent 12 weeks of telaprevir (TVR)- or simeprevir (SMV)-based triple therapy followed by 12 weeks of dual therapy with pegylated IFN-α plus ribavirin...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28539588/cooperation-of-oncolytic-herpes-virotherapy-and-pd-1-blockade-in-murine-rhabdomyosarcoma-models
#10
Chun-Yu Chen, Pin-Yi Wang, Brian Hutzen, Les Sprague, Hayley M Swain, Julia K Love, Joseph R Stanek, Louis Boon, Joe Conner, Timothy P Cripe
Oncolytic virotherapy is an effective immunotherapeutic approach for cancer treatment via a multistep process including direct tumor cell lysis, induction of cytotoxic or apoptosis-sensitizing cytokines and promotion of antitumor T cell responses. Solid tumors limit the effectiveness of immunotherapeutics in diverse ways such as secretion of immunosuppressive cytokines and expression of immune inhibitory ligands to inhibit antitumor T cell function. Blocking programmed cell death protein (PD)-1 signaling, which mediates T cell suppression via engagement of its inhibitory ligands, PD-L1 or PD-L2, is of particular interest due to recent successes in many types of cancer...
May 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28539528/prospect-of-immunotherapy-for-glioblastoma-tumor-vaccine-immune-checkpoint-inhibitors-and-combination-therapy
#11
Eiichi Ishikawa, Tetsuya Yamamoto, Akira Matsumura
To date, clinical trials of various vaccine therapies using autologous tumor antigens or tumor-associated/specific antigen peptide with adjuvants have been performed to treat patients with high-grade gliomas (HGG). Furthermore, immune checkpoint pathway-targeted therapies including anti- programmed cell death 1 (PD-1) antibody have been remarkably effective in other neoplasms, and various clinical trials with anti-PD-1 antibody in patients with HGG have started to date. It is possible that up-regulation of immune checkpoint molecules in tumor tissues after vaccine therapy may be one of the mechanisms of vaccine failure...
May 24, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28538635/suicide-guns-and-buyback-programs-an-epidemiologic-analysis-of-firearm-related-deaths-in-connecticut
#12
Laura Baumann, Heather Clinton, Rob Berntsson, Susan Williams, James C Rovella, David Shapiro, Shefali Thaker, Kevin Borrup, Garry Lapidus, Brendan T Campbell
OBJECTIVE: Gun buyback programs aim to remove unwanted firearms from the community with the goal of preventing firearm injury and death. Buyback programs are held in many communities, but evidence demonstrating their effectiveness is lacking. The purpose of this study is to compare firearms collected at buyback events to crime guns and firearms used in homicides and suicides. METHODS: Detailed firearm and case data was obtained from the Hartford Police Department and the CDC's National Violent Death Reporting System from January through December of 2015...
May 22, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28538628/the-east-s-injury-control-and-violence-prevention-committee-s-annual-distracted-driving-outreach-event-evaluating-attitude-and-behavior-change-in-high-school-students
#13
Lisa Allee, Tracey Dechert, Sowmya R Rao, Marie Crandall, Ashley Christmas, Alexander Eastman, Thomas Duncan, Shannon Foster
BACKGROUND: The National Center for Statistics and Analysis report at least 8 deaths and 1,160 daily injuries due to distracted driving (DD) in the U.S. Drivers under age 20 are most likely to incur a distraction related fatal crash. We aimed to determine short and long term impact of a multi-modal educational program including student developed interventions, simulated driving experiences, and presentations by law enforcement and medical personnel. METHODS: A single day program aimed at teen DD prevention was conducted at a high school targeting students age 15 to 19 years old...
May 22, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28538239/how-to-save-1-million-lives-in-a-year-in-low-and-middle-income-countries
#14
Colm P Travers, Wally A Carlo
Despite major improvements in reducing childhood mortality worldwide, over 5 million pregnancies per year end in stillbirths or neonatal deaths. The vast majority of these deaths occur in low- and middle-income countries. Many of these deaths are preventable with readily available evidence-based care practices. This review focuses on educational programs developed to reduce preventable deaths in newborn infants in low- and middle-income countries, including Essential Newborn Care and Helping Babies Breathe, a simplified version of the Neonatal Resuscitation Program...
2017: Neonatology
https://www.readbyqxmd.com/read/28537531/clinical-features-of-nivolumab-induced-thyroiditis-a-case-series-study
#15
Ichiro Yamauchi, Yoriko Sakane, Yorihide Fukuda, Toshihito Fujii, Daisuke Taura, Masakazu Hirata, Keisho Hirota, Yohei Ueda, Yugo Kanai, Yui Yamashita, Eri Kondo, Masakatsu Sone, Akihiro Yasoda, Nobuya Inagaki
BACKGROUND: The programmed cell death-1 (PD-1) pathway is a novel therapeutic target in immune checkpoint therapy for cancer. It consists of the PD-1 receptor and its two ligands, programmed death-ligand 1 (PD-L1) and programmed death-ligand 2 (PD-L2). Nivolumab is an anti-PD-1 monoclonal antibody approved for malignant melanoma, advanced non-small cell lung cancer, and advanced renal cell carcinoma in Japan. Thyrotoxicosis and hypothyroidism have both been reported in international phase 3 studies and national postmarketing surveillance of nivolumab in Japan...
May 24, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28537463/plant-bax-inhibitor-1-interacts-with-atg6-to-regulate-autophagy-and-programmed-cell-death
#16
Guoyong Xu, Shanshan Wang, Shaojie Han, Ke Xie, Yan Wang, Jinlin Li, Yule Liu
Autophagy is an evolutionarily conserved catabolic process and is involved in the regulation of programmed cell death during the plant immune response. However, mechanisms regulating autophagy and cell death are incompletely understood. Here, we demonstrate that plant Bax inhibitor-1 (BI-1), a highly conserved cell death regulator, interacts with ATG6, a core autophagy-related protein. Silencing of BI-1 reduced the autophagic activity induced by both N gene-mediated resistance to Tobacco mosaic virus (TMV) and methyl viologen (MV), and enhanced N gene-mediated cell death...
May 24, 2017: Autophagy
https://www.readbyqxmd.com/read/28536593/molecular-characterization-and-expression-profiling-of-brachypodium-distachyon-l-cystatin-genes-reveal-high-evolutionary-conservation-and-functional-divergence-in-response-to-abiotic-stress
#17
Saminathan Subburaj, Dong Zhu, Xiaohui Li, Yingkao Hu, Yueming Yan
Cystatin is a class of proteins mainly involved in cysteine protease inhibition and plant growth and development, as well as tolerance under various abiotic stresses. In this study, we performed the first comprehensive analysis of the molecular characterization and expression profiling in response to various abiotic stresses of the cystatin gene family in Brachypodium distachyon, a novel model plant for Triticum species with huge genomes. Comprehensive searches of the Brachypodium genome database identified 25 B...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28536578/expansion-of-cd25-negative-forkhead-box-p3-positive-t-cells-during-hiv-and-mycobacterium-tuberculosis-infection
#18
Matías T Angerami, Guadalupe V Suarez, María B Vecchione, Natalia Laufer, Diego Ameri, Graciela Ben, Hector Perez, Omar Sued, Horacio Salomón, María F Quiroga
Tuberculosis (TB) and HIV alter the immune system, and coinfected (HIV-TB) individuals usually present deregulations of T-lymphocytic immune response. We previously observed an increased frequency of "unconventional" CD4(+)CD25(-)FoxP3(+) Treg (uTreg) population during HIV-TB disease. Therefore, we aimed to explore the phenotype and function of uTreg and conventional CD4(+)CD25(+)FoxP3(+) Treg subsets (cTreg) in this context. We evaluated the expression of CD39, programmed cell death protein 1 (PD1), glucocorticoid-induced tumor necrosis factor receptor (GITR), and the effector/memory distribution by flow cytometry in cTreg and uTreg...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28536100/depletion-of-tumor-associated-macrophages-with-a-csf-1r-kinase-inhibitor-enhances-antitumor-immunity-and-survival-induced-by-dc-immunotherapy
#19
Floris Dammeijer, Lysanne A Lievense, Margaretha E H Kaijen-Lambers, Menno van Nimwegen, Koen Bezemer, Joost P Hegmans, Thorbald van Hall, Rudi W Hendriks, Joachim G Aerts
New immunotherapeutic strategies are needed to induce effective anti-tumor immunity in all cancer patients. Malignant mesothelioma is characterized by a poor prognosis and resistance to conventional therapies. Infiltration of tumor-associated macrophages (TAM) is prominent in mesothelioma and is linked to immune suppression, angiogenesis and tumor aggressiveness. Therefore, TAM depletion could potentially reactivate anti-tumor immunity. We show that M-CSFR-inhibition using the CSF-1R kinase inhibitor PLX3397 (pexidartinib) effectively reduced numbers of TAMs, circulating nonclassical monocytes, as well as amount of neo-angiogenesis and ascites in mesothelioma mouse models, but did not improve survival...
May 23, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28535626/-expression-and-prognostic-significance-of-microenvironment-related-prognostic-factors-in-patients-with-classical-hodgkin-s-lymphoma
#20
T T Wang, S X Li, B Xia, H F Zhao, W Xu, H L Yang, X F Wang, Y Yu, B C Sun, Y Z Zhang
Objective: To observe the expression of three microenvironment related prognostic factors, i. e. programmed death 1 (PD-1), forkhead box protein 3(FOXP3) and colony-stimulating factor 1 receptor(CSF-1R) protein in classical Hodgkin's lymphoma (CHL) patients, and to explore the correlation between the protein expression and the prognosis of the patients. Methods: A total of 45 cases of CHL patients, who had been admitted to the Tianjin Medical University Cancer Institute and Hospital and Chinese PLA General Hospital from February 2005 to August 2010 were analyzed, including clinical features, prognostic factors, and treatment regimens...
May 16, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
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