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Clinical immunology

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https://www.readbyqxmd.com/read/27914100/transient-immunological-and-clinical-effectiveness-of-treating-mice-bearing-premalignant-oral-lesions-with-pd-1-antibodies
#1
Corinne A Levingston, M Rita I Young
A carcinogen-induced premalignant oral lesion model that progresses to oral cancer was used to examine the impact of blocking PD-1 on cytokine expression and on progression of lesions to cancer. The results of this study show increased production of IL-2 and the inflammatory cytokines IL-6, IL-17 and TNF-α by spleen cells of lesion-bearing mice that were treated with PD-1 antibody for one week compared to cytokine production by spleen cells of lesion-bearing mice treated with control antibody. Production of IFN-γ increased at 3 weeks of PD-1 antibody treatment, although production of the other Th1 and inflammatory mediators declined...
December 3, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27913903/amyotrophic-lateral-sclerosis-and-myasthenia-gravis-association-or-chance-occurrence
#2
Silvia de Pasqua, Francesco Cavallieri, Roberto D'Angelo, Fabrizio Salvi, Nicola Fini, Roberto D'Alessandro, Rita Rinaldi, Antonio Fasano, Jessica Mandrioli
Very few cases of patients with myasthenia gravis (MG) who later developed amyotrophic lateral sclerosis (ALS) have been described, although some studies showed that significantly more cases than expected have ALS associated with a prior diagnosis of autoimmune diseases. Our aim was to investigate whether the association of ALS and MG was higher than expected in a population-based study and to describe the clinical features characterizing these patients. In Emilia Romagna Region of Italy, a prospective registry has been collecting all incident ALS cases since 1...
December 2, 2016: Neurological Sciences
https://www.readbyqxmd.com/read/27912911/hesperidin-ameliorates-immunological-outcome-and-reduces-neuroinflammation-in-the-mouse-model-of-multiple-sclerosis
#3
Dariush Haghmorad, Mohammad Bagher Mahmoudi, Zohreh Salehipour, Zoleikha Jalayer, Amir Abbas Momtazi Brojeni, Maryam Rastin, Parviz Kokhaei, Mahmoud Mahmoudi
Multiple sclerosis (MS) is the most abundant central nervous system (CNS) inflammatory disease, which is due to the reaction of auto reactive T cells with own myelin proteins, leading to physical disorder and paralysis among people suffering the disease. Hesperidin, a flavanone glycoside found abundantly in citrus fruits possesses a wide range of pharmacological properties including potential anti-inflammatory and anti-cancer effects. This study was designed to reveal the molecular and cellular mechanisms underlying the effect of hesperidin on MS alleviation...
November 26, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27912793/antibodies-against-carbamylated-proteins-and-cyclic-citrullinated-peptides-in-systemic-lupus-erythematosus-results-from-two-well-defined-european-cohorts
#4
Michael Ziegelasch, Myrthe A M van Delft, Philip Wallin, Thomas Skogh, César Magro-Checa, Gerda M Steup-Beekman, Leendert A Trouw, Alf Kastbom, Christopher Sjöwall
BACKGROUND: Articular manifestations are common in systemic lupus erythematosus (SLE) whereas erosive disease is not. Antibodies to cyclic citrullinated peptide (anti-CCP) are citrulline-dependent in rheumatoid arthritis (RA), whereas the opposite is suggested in SLE, as reactivity with cyclic arginine peptide (CAP) is typically present. Antibodies targeting carbamylated proteins (anti-CarP) may occur in anti-CCP/rheumatoid factor (RF)-negative cases long before clinical onset of RA. We analysed these antibody specificities in sera from European patients with SLE in relation to phenotypes, smoking habits and imaging data...
December 3, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27911477/vascularized-appendicular-lymph-node-transfer-for-treatment-of-extremity-lymphedema-a-case-report
#5
Pedro Ciudad, Oscar J Manrique, Shivprasad Date, Wei-Ling Chang, Fabio Nicoli, Stamatis Sapountzis, Hsu-Tang Cheng, Agko Mouchammed, Hung-Chi Chen
Vascularized lymph node transfer has demonstrated promising results for the treatment of extremity lymphedema. In an attempt to find the ideal donor site, several vascularized lymph nodes have been described. Each has a common goal of decreasing morbidity and avoiding iatrogenic lymphedema while obtaining good clinical results. Herein, we present the preliminary clinical outcomes of an intra-abdominal lymph node flap option based on the appendicular artery and vein used for the treatment of extremity lymphedema...
December 2, 2016: Microsurgery
https://www.readbyqxmd.com/read/27910751/recent-advances-in-pharmacotherapeutic-paradigm-of-mild-to-recalcitrant-atopic-dermatitis
#6
Zahid Hussain, Shariza Sahudin, Hnin Ei Thu, Ahmad Nazrun Shuid, Syed Nasir Abbas Bukhari, Endang Kumolosasi
Atopic dermatitis (AD) is a common, chronic skin inflammatory disorder characterized by perivascular infiltration of immunoglobulin E (IgE), T lymphocytes, and mast cells. The key factors responsible for the pathophysiology of this disease are immunological disorders and defects in epidermal barrier properties. Pruritus, intense itching, psychological stress, deprived physical and mental performance, and sleep disturbance are the hallmark features of this dermatological disorder. Preventive interventions such as educational programs, avoidance of allergens, and exclusive care toward the skin could play a partial role in suppressing the symptoms...
2016: Critical Reviews in Therapeutic Drug Carrier Systems
https://www.readbyqxmd.com/read/27910052/a-needleless-liquid-jet-injection-delivery-approach-for-cardiac-gene-therapy
#7
Anthony S Fargnoli, Michael G Katz, Charles R Bridges
Fundamentally, cardiac gene therapy clinical trials have demonstrated that route efficiency is paramount in achieving maximum myocardial expression within safety limits. Gene transfer phenomena are largely influenced by physical transport principles (i.e., pressure, residence time, dispersion trafficking, mechanical resistance) that are independent of therapeutic characteristics. An alternative to intracoronary infusion methods, in an effort to improve efficiency in terms of cardiac specificity, is direct myocardial delivery via surgical injection...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27909701/immunological-quality-and-performance-of-tumor-vessel-targeting-car-t-cells-prepared-by-mrna-ep-for-clinical-research
#8
Kanako Inoo, Ryo Inagaki, Kento Fujiwara, Shigemi Sasawatari, Takashi Kamigaki, Shinsaku Nakagawa, Naoki Okada
We previously reported that tumor vessel-redirected T cells, which were genetically engineered with chimeric antigen receptor (CAR) specific for vascular endothelial growth factor receptor 2 (VEGFR2), demonstrated significant antitumor effects in various murine solid tumor models. In the present study, we prepared anti-VEGFR2 CAR-T cells by CAR-coding mRNA electroporation (mRNA-EP) and analyzed their immunological characteristics and functions for use in clinical research. The expression of anti-VEGFR2 CAR on murine and human T cells was detected with approximately 100% efficiency for a few days, after peaking 6-12 hours after mRNA-EP...
2016: Molecular Therapy Oncolytics
https://www.readbyqxmd.com/read/27909160/evaluation-of-polymorphic-variants-in-apoptotic-genes-and-their-role-in-susceptibility-and-clinical-progression-to-systemic-lupus-erythematosus
#9
N Glesse, P Vianna, L M G Paim, M C C Matte, A K K Aguiar, P L Palhano, O A Monticielo, C V Brenol, R M Xavier, J A B Chies
BACKGROUND: Systemic lupus erythematosus (SLE) is an autoimmune disease marked by the disruption of the immune homeostasis. Patients exhibit a wide range of clinical manifestations, and environmental and genetic factors are involved in SLE pathogenesis. Evidence suggests that abnormalities in the cellular and molecular events that coordinate apoptosis may favour the generation of autoantigens involved in autoimmunity. In this way, the apoptotic deregulation may be affected by polymorphic variants in apoptotic-related genes...
November 30, 2016: Lupus
https://www.readbyqxmd.com/read/27908931/filling-the-tank-keeping-antitumor-t-cells-metabolically-fit-for-the-long-haul
#10
REVIEW
Greg M Delgoffe
Discoveries in tumor immunology and subsequent clinical advances in cancer immunotherapy have revealed that the immune system is not oblivious to tumor progression but heavily interacts with developing neoplasia and malignancy. A major factor preventing immune destruction is the establishment of a highly immunosuppressive tumor microenvironment (TME), which provides architecture to the tumor, supports indirect means of immunosuppression such as the recruitment of tolerogenic cells like regulatory T cells and myeloid-derived suppressor cells (MDSC), and represents a zone of metabolically dearth conditions...
December 2016: Cancer Immunology Research
https://www.readbyqxmd.com/read/27907136/immune-activation-and-bacterial-translocation-a-link-between-impaired-immune-recovery-and-frequent-visceral-leishmaniasis-relapses-in-hiv-infected-patients
#11
Maria Luciana Silva-Freitas, Glaucia Fernandes Cota, Talia S Machado-de-Assis, Carmem Giacoia-Gripp, Ana Rabello, Alda M Da-Cruz, Joanna R Santos-Oliveira
The maintenance of chronic immune activation due to leishmaniasis or even due to microbial translocation is associated with immunosenescence and may contribute to frequent relapses. Our aim was to investigate whether patients with HIV-associated visceral leishmaniasis (VL/HIV) who experience a single episode of VL have different immunological behaviors in comparison to those who experience frequent relapses. VL/HIV patients were allocated to non-relapsing (NR, n = 6) and relapsing (R, n = 11) groups and were followed from the active phase of VL up to 12 months post-treatment (mpt)...
2016: PloS One
https://www.readbyqxmd.com/read/27906988/atypical-manifestations-of-cutaneous-leishmaniasis-in-a-region-endemic-for-leishmania-braziliensis-clinical-immunological-and-parasitological-aspects
#12
Luiz Henrique Guimarães, Adriano Queiroz, Juliana A Silva, Silvana C Silva, Viviane Magalhães, Ednaldo L Lago, Paulo Roberto L Machado, Olívia Bacellar, Mary E Wilson, Stephen M Beverley, Edgar M Carvalho, Albert Schriefer
BACKGROUND: Atypical cutaneous leishmaniasis (ACL) has become progressively more frequent in Corte de Pedra, Northeast Brazil. Herein we characterize clinical presentation, antimony response, cytokine production and parasite strains prevailing in ACL. METHODOLOGY/PRINCIPAL FINDINGS: Between 2005 and 2012, 51 ACL (cases) and 51 temporally matched cutaneous leishmaniasis (CL) subjects (controls) were enrolled and followed over time in Corte de Pedra. Clinical and therapeutic data were recorded for all subjects...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27906025/nutritional-status-and-its-effect-on-treatment-outcome-among-hiv-infected-clients-receiving-haart-in-ethiopia-a-cohort-study
#13
Sadikalmahdi Hussen, Tefera Belachew, Nezif Hussien
PURPOSES: The aim of this study was to determine the effects of nutritional status at the start of highly active anti-retroviral therapy on treatment outcomes among HIV/AIDS patients taking HAART at Jimma University Specialized Hospital. METHODS: We performed a retrospective cohort study involving 340 adults who started highly active anti-retroviral therapy. The patients have been clinically followed for 2 years. Data were extracted from paper based medical charts by trained data collectors from January 30 to February 28, 2014 using data collection format...
September 22, 2016: AIDS Research and Therapy
https://www.readbyqxmd.com/read/27904501/human-amniotic-epithelial-cells-combined-with-silk-fibroin-scaffold-in-the-repair-of-spinal-cord-injury
#14
Ting-Gang Wang, Jie Xu, Ai-Hua Zhu, Hua Lu, Zong-Ning Miao, Peng Zhao, Guo-Zhen Hui, Wei-Jiang Wu
Treatment and functional reconstruction after central nervous system injury is a major medical and social challenge. An increasing number of researchers are attempting to use neural stem cells combined with artificial scaffold materials, such as fibroin, for nerve repair. However, such approaches are challenged by ethical and practical issues. Amniotic tissue, a clinical waste product, is abundant, and amniotic epithelial cells are pluripotent, have low immunogenicity, and are not the subject of ethical debate...
October 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27904187/the-relationship-of-psoriasis-and-melanocytic-nevi
#15
Fatma Pelin Cengiz, Nazan Emiroglu, Anil Gulsel Bahali, Dilek Biyik Ozkaya, Ozlem Su, Nahide Onsun
BACKGROUND: There is limited data about the relationship between psoriasis and melanocytic lesions and melanoma. Immunologic pathways which were implicated in psoriasis induce a reduction in the number of melanocytic nevi. AIMS AND OBJECTIVES: To investigate the number of melanocytic nevi in psoriatic patients compared with controls and its relationship with disease severity and type of treatment. METHODS: We performed a prospective study in 100 psoriatic patients and 100 controls...
November 2016: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/27903680/herpes-simplex-virus-specific-t-cell-response-in-a-cohort-with-primary-genital-infection-correlates-inversely-with-frequency-of-subsequent-recurrences
#16
Elisabeth Franzen-Röhl, Danika Schepis, Fredrik Atterfelt, Kristina Franck, Arne Wikström, Jan-Åke Liljeqvist, Tomas Bergström, Elisabeth Aurelius, Klas Kärre, Louise Berg, Hans Gaines
OBJECTIVES: During the last decades, a changing epidemiological pattern of genital herpes simplex virus (HSV) infection has emerged. Primary infection is now caused as often by HSV-1 as by HSV-2. Once established, HSV can be reactivated leading to recurrent mucocutaneous lesions as well as meningitis. Why some otherwise immune-competent individuals experience severe and frequent recurrences is not known, and the immunological mechanism underlying recurrent symptomatic HSV infection is not fully understood...
November 30, 2016: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/27903373/-therapeutic-effect-of-severe-thrombocytopenia-in-patients-underwent-transcatheter-patent-ductus-arteriosus-occlusion
#17
P Zhang, X Y Zhu, D Z Zhang, Q G Wang, X M Han, X T Sheng, C S Cui
Objective: To investigate the therapeutic effect of severe thrombocytopenia in patients underwent transcatheter patent ductus arteriosus occlusion. Methods: Clinical data of 80 pure patent ductus arteriosus patients who underwent interventional occlusion between February 2011 and November 2014 in General Hospital of Shenyang Military Region were retrospective analyzed.A bolus of heparin calcium (80 U/kg) was administered by intravenous injection during the procedure.Blood test was conducted in all patients before and after the procedure...
October 24, 2016: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/27903079/preclinical-evaluation-of-a-replication-deficient-recombinant-adenovirus-serotype-5-vaccine-expressing-guanylate-cyclase-c-and-the-padre-t-helper-epitope
#18
Adam Eugene Snook, Trevor R Baybutt, Terry Hyslop, Scott Arthur Waldman
There is an unmet need for improved therapeutics for colorectal cancer, the second leading cause of cancer mortality worldwide. Adjuvant chemotherapy only marginally improves survival in some patients, and has no benefit in others, underscoring the clinical opportunity for novel immunotherapeutic approaches to improve survival in colorectal cancer. In that context, guanylate cyclase C (GUCY2C) is an established biomarker and therapeutic target for metastatic colorectal cancer with immunological characteristics that promote durable antitumor efficacy without autoimmunity...
November 30, 2016: Human Gene Therapy Methods
https://www.readbyqxmd.com/read/27902602/sensitivity-and-specificity-of-dried-blood-spots-for-hiv-1-viral-load-quantification-a-laboratory-assessment-of-3-commercial-assays
#19
Pieter Pannus, Maarten Claus, Maria Mercedes Perez Gonzalez, Nathan Ford, Katrien Fransen
The use of dried blood spots (DBS) instead of plasma as a specimen type for HIV-1 viral load (VL) testing facilitates the decentralization of specimen collection and can increase access to VL testing in resource-limited settings. The performance of DBS for VL testing is lower, however, when compared to the gold standard sample type plasma. In this diagnostic accuracy study, we evaluated 3 VL assays with DBS.Participants were recruited between August 2012 and April 2015. Both plasma and DBS specimens were prepared and tested for HIV-1 VL with the Roche CAP/CTM HIV-1 test v2...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27902502/zika-virus-and-patient-blood-management
#20
Lawrence T Goodnough, Marisa B Marques
Sporadic Zika virus infections had only occurred in Africa and Asia until an outbreak in Micronesia (Oceania) in 2007. In 2013 to 2014, several outer Pacific Islands reported local outbreaks. Soon thereafter, the virus was likely introduced in Brazil from competing athletes from French Polynesia and other countries that participated in a competition there. Transmission is thought to have occurred through mosquito bites and spread to the immunologically naive population. Being also a flavivirus, the Zika virus is transmitted by the Aedes mosquito that is endemic in South and Central America that is also the vector of West Nile virus, dengue, and chikungunya...
November 29, 2016: Anesthesia and Analgesia
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