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Immunosuppression

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https://www.readbyqxmd.com/read/29169187/biologically-active-orbitides-from-the-euphorbiaceae-family
#1
Suelem D Ramalho, Meri Emili F Pinto, Douglas Ferreira, Vanderlan S Bolzani
A comprehensive overview of natural orbitides isolated from Euphorbiaceae species and their most relevant biological activities are presented. Euphorbiaceae is a large and diverse family, which comprises about 300 genera, and is known as an important source of medicines and toxins. Several classes of secondary metabolites have been described for this taxon, however, orbitides have been broadly reported in Jatropha and Croton genera. Additionally, the latex is documented as the main source of orbitides in this family...
November 23, 2017: Planta Medica
https://www.readbyqxmd.com/read/29168664/pulmonary-arterial-hypertension-and-acute-respiratory-distress-syndrome-in-a-patient-with-adult-onset-stills-disease
#2
Grant H Lowther, Jason Chertoff, Jessica Cope, Hassan Alnuaimat, Ali Ataya
Adult-onset Still's disease (AOSD) is an inflammatory disorder characterized by recurrent fevers, arthralgia, leukocytosis, and a salmon-colored rash. Diagnosis is made based on the Yamaguchi criteria. Various cardiac and pulmonary manifestations have been described in association with AOSD, including acute respiratory distress syndrome (ARDS) and pulmonary arterial hypertension (PAH). We describe the first case of both PAH and ARDS in a patient with AOSD who, despite aggressive therapy, declined rapidly and ultimately died...
October 2017: Pulmonary Circulation
https://www.readbyqxmd.com/read/29168565/growth-rates-of-pulmonary-metastases-after-liver-transplantation-for-unresectable-colorectal-liver-metastases
#3
H Grut, S Solberg, T Seierstad, M E Revheim, T S Egge, S G Larsen, P D Line, S Dueland
BACKGROUND: The previously reported SECA study demonstrated a dramatic 5-year survival improvement in patients with unresectable colorectal liver metastases (CLM) treated with liver transplantation (LT) compared with chemotherapy. The objective of this study was to assess whether immunosuppressive therapy accelerates the growth of pulmonary metastases in patients transplanted for unresectable CLM. METHODS: Chest CT scans from 11 patients in the SECA study resected for 18 pulmonary metastases were reviewed retrospectively...
November 23, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/29168557/probiotics-for-vulvovaginal-candidiasis-in-non-pregnant-women
#4
REVIEW
Huan Yu Xie, Dan Feng, Dong Mei Wei, Ling Mei, Hui Chen, Xun Wang, Fang Fang
BACKGROUND: Vulvovaginal candidiasis (VVC) is estimated to be the second most common form of infection after bacterial vaginosis. The ability of probiotics in maintaining and recovering the normal vaginal microbiota, and their potential ability to resist Candidas give rise to the concept of using probiotics for the treatment of VVC. OBJECTIVES: To assess the effectiveness and safety of probiotics for the treatment of vulvovaginal candidiasis in non-pregnant women...
November 23, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29168399/vacuolar-atpase-as-a-possible-therapeutic-target-in-human-acute-myeloid-leukemia
#5
Elise Aasebø, Sushma Bartaula-Brevik, Maria Hernandez-Valladares, Øystein Bruserud
V-ATPase is a proton pump expressed both in the membrane of intracellular organelles (e.g. endosomes, lysosomes, Golgi structures) and the plasma membrane. It is an important regulator of organellar functions, intracellular molecular trafficking, intercellular communication and intracellular signaling. It is therefore considered as a possible therapeutic target in the treatment of human malignancies. Areas covered: Relevant publications were identified through literature searches in the PubMed database. We searched for original articles and reviews describing the possible importance of V-ATPase for leukemogenesis and chemosensitivity in human myeloid cells, especially acute myeloid leukemia (AML) cells...
November 23, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/29168246/immunostimulatory-effects-of-cordycepin-enriched-wib-801ce-from-cordyceps-militaris-in-splenocytes-and-cyclophosphamide-induced-immunosuppressed-mice
#6
Ji-Sun Shin, Soo-Hak Chung, Woo-Seok Lee, Je-Young Lee, Jong-Lae Kim, Kyung-Tae Lee
The medicinal mushroom Cordyceps militaris has been reported to possess anticancer and immunomodulatory effects. We investigated the immunostimulatory effects of culture supernatant of C. militaris (WIB-801CE) by examining its in vitro enhancing effects on cell proliferation and cytokine releases in splenocytes and its in vivo effects on cyclophosphamide-induced immunosuppressed mice. WIB-801CE enhanced normal and methotrexate-induced cell proliferation. WIB-801CE significantly ameliorated interleukin (IL)-2, interferon-γ, and tumor necrosis factor-α secretion in methotrexate-induced splenocytes...
November 23, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29168160/cladribine-to-treat-relapsing-forms-of-multiple-sclerosis
#7
REVIEW
Gavin Giovannoni
Cladribine is a purine nucleoside analogue that selectively depletes peripheral lymphocytes without a major impact on cells of the innate immune system. An oral formulation of cladribine has been developed to be given as short courses over two annual cycles. Oral cladribine results in the peripheral depletion of lymphocytes that is gradual, occurring over several weeks, and is not associated with a cell lysis syndrome, has a greater impact on B cells than T cells, and is followed by gradual reconstitution of the peripheral lymphocyte counts over several months...
November 22, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/29168104/safe-use-of-infliximab-for-the-treatment-of-severe-perianal-crohn-s-disease-after-diagnosis-and-treatment-of-lymphoma
#8
Carlos Bernardes, Pedro Russo, Diana Carvalho, Joana Saiote, Jaime Ramos
Inflammatory bowel disease is associated with an increased likelihood of developing lymphoma. However, it is still controversial if this risk may be attributed to the disease itself or rather represents an effect of immunosuppressive treatment. Although tumor necrosis factor alpha (TNFα) is a key cytokine for cancer immunosurveillance, the potential relationship between anti-TNFα agents and the pathogenesis of lymphoproliferative disorders remains unclear. Here, we describe the case of a patient with severe perianal Crohn's disease, treated with infliximab monotherapy, whose unusual presentation with acute groin pain required surgical intervention and led to the diagnosis of diffuse large B-cell lymphoma...
November 22, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/29168083/analysis-of-the-cancer-genome-atlas-tcga-database-identifies-an-inverse-relationship-between-interleukin-13-receptor-%C3%AE-1-and-%C3%AE-2-gene-expression-and-poor-prognosis-and-drug-resistance-in-subjects-with-glioblastoma-multiforme
#9
Jing Han, Raj K Puri
Glioblastoma multiforme (GBM) is the most common primary brain tumor in adults. A variety of targeted agents are being tested in the clinic including cancer vaccines, immunotoxins, antibodies and T cell immunotherapy for GBM. We have previously reported that IL-13 receptor subunits α1 and α2 of IL-13R complex are overexpressed in GBM. We are investigating the significance of IL-13Rα1 and α2 expression in GBM tumors. In order to elucidate a possible relationship between IL-13Rα1 and α2 expression with severity and prognoses of subjects with GBM, we analyzed gene expression (by microarray) and clinical data available at the public The Cancer Genome Atlas (TCGA) database (Currently known as Global Data Commons)...
November 22, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29167858/cutaneous-squamous-cell-carcinomas-in-solid-organ-transplant-recipients-compared-with-immunocompetent-patients
#10
Joyce Y Cheng, Fang-Yong Li, Christine J Ko, Oscar R Colegio
Importance: Solid organ transplant recipients (SOTRs) have a 100-fold increased risk of squamous cell carcinoma (SCC), and they may develop more aggressive SCCs compared with immunocompetent individuals. Objective: To compare outcomes associated with aggressive behavior of SCC in SOTRs and high-risk immunocompetent patients. Design, Setting, and Participants: A retrospective cohort study of 58 SOTRs and 40 immunocompetent patients evaluated at the Yale Transplant Dermatology Clinic in New Haven, Connecticut, who had at least 1 SCC confirmed histopathologically between January 1, 2008, and December 31, 2015...
November 22, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/29167827/hepatocellular-cancer-and-recurrence-after-liver-transplantation-what-about-the-impact-of-immunosuppression
#11
REVIEW
Jan Lerut, Samuele Iesari, Maxime Foguenne, Quirino Lai
Liver transplantation (LT) has originally been designed to treat hepatobiliary malignancies. The initial results of LT for hepatocellular cancer (HCC) were, however, dismal this mainly due to the poor patient selection procedure. Better surgical and perioperative care and, especially, the refinement of selection criteria led to a major improvement of results, making HCC nowadays (again!) one of the leading indications for LT. This evolution is clearly shown by the innumerable reports aiming to further extend inclusion criteria for LT in HCC patients...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29167805/clinical-potential-of-mesenchymal-stem-stromal-cell-derived-extracellular-vesicles
#12
REVIEW
Bernd Giebel, Lambros Kordelas, Verena Börger
Within the last two decades mesenchymal stem/stromal cells (MSCs) emerged after hematopoietic stem cells as the second most investigated and applied somatic stem cell entity so far. MSCs mediate immunosuppressive as well as pro-regenerative activities. Against the initial assumption, MSCs may not primarily exert their therapeutic functions in a cellular but rather in a paracrine manner. Here, extracellular vesicles (EVs), such as exosomes and microvesicles, have been identified as major mediators of these paracrine effects...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/29167674/a-new-immunosuppressive-molecule-emodin-induces-both-cd4-foxp3-and-cd8-cd122-regulatory-t-cells-and-suppresses-murine-allograft-rejection
#13
Feifei Qiu, Huazhen Liu, Chun-Ling Liang, Golay D Nie, Zhenhua Dai
Due to vigorous alloimmunity, an allograft is usually rejected without any conventional immunosuppressive treatment. However, continuous global immunosuppression may cause severe side effects, including tumors and infections. Mounting evidence has shown that cyclosporine (CsA), a common immunosuppressant used in clinic, impedes allograft tolerance by dampening regulatory T cells (Tregs), although it inhibits allograft rejection at the same time. Therefore, it is necessary to seek an alternative immunosuppressive drug that spares Tregs with high efficiency in suppression but low toxicity...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29167672/novel-concept-of-cd4-mediated-activation-of-regulatory-t-cells-for-the-treatment-of-graft-versus-host-disease
#14
REVIEW
Janine Schlöder, Carsten Berges, Andrea Tuettenberg, Helmut Jonuleit
Allogeneic hematopoietic stem cell transplantation is the only curative treatment option for several hematological malignancies and immune deficiency syndromes. Nevertheless, the development of a graft-versus-host disease (GvHD) after transplantation is a high risk and a severe complication with high morbidity and mortality causing therapeutic challenges. Current pharmacological therapies of GvHD lead to generalized immunosuppression followed by severe adverse side effects including infections and relapse of leukemia...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29167527/the-effects-of-diets-enriched-in-omega-3-polyunsaturated-fatty-acids-on-systemic-vaccinia-virus-infection
#15
Gwendolyn J B Jones, Rachel L Roper
Omega-3 polyunsaturated fatty acids (PUFA, n-3 fatty acids), the key components of fish and flaxseed oils, are increasingly consumed by the public because of their potential health benefits and are available by prescription for hypertriglyceridemia. However, numerous studies have shown that these compounds are immunoregulatory and immunosuppressive and thus may increase susceptibility to infection. In this study, we tested the effects of the amount of fat and the types of fatty acid in the diet on infection by vaccinia virus, an acute infection that begins in the respiratory tract and spreads by viremia to internal organs...
November 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29167108/the-t-cell-receptor-%C3%AE-chain-is-an-immunotherapy-target-for-lymphomas
#16
(no author information available yet)
Targeting the TRBC gene expressed by T-cell malignancies mitigates severe immunosuppression.
November 22, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/29166922/herpes-simplex-type-1-pneumonitis-and-acute-respiratory-distress-syndrome-in-a-patient-with-chronic-lymphatic-leukemia-a-case-report
#17
Miriam Luginbuehl, Alexander Imhof, Alexander Klarer
BACKGROUND: Pulmonary pathogenicity of herpes simplex virus type 1 in patients in intensive care without classic immunosuppression as well as the necessity of antiviral treatment in the case of herpes simplex virus detection in respiratory specimens in these patients is controversial. We present a case of acute respiratory distress syndrome in a patient with stable chronic lymphatic leukemia not requiring treatment, in whom we diagnosed herpes simplex virus type 1 bronchopneumonitis based on herpes simplex virus type 1 detection in bronchoalveolar lavage fluid and clinical response to antiviral treatment...
November 23, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29166499/skin-disorders-in-renal-transplant-recipients-a-retrospective-study
#18
Pedro Miguel Clemente Garrido, João Borges-Costa
BACKGROUND: Immunosuppressive therapy, which is necessary to avoid graft rejection in renal transplant recipients, presents an increased risk of several pathologies, namely infectious and neoplastic. OBJECTIVES: To identify the most frequent skin diseases and their clinical and demographical risk factors within a population of renal transplant recipients. METHODS: A retrospective study of renal transplant recipients referred to dermatology visit and observed for the first time from January 2008 to December 2014...
September 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/29166493/dystrophic-calcification-of-maxillary-sinus-in-pediatric-patients-with-liver-transplantation-and-pigmentation-of-dental-organ
#19
Adriana Furtado de Macedo, Claudio Costa, Regina Helena Guedes da Motta Mattar, Ramiro Anthero de Azevedo
OBJECTIVE: To report a case of severe dystrophic calcification in maxillary sinus of a child with liver transplantation and dental organs pigmented by hyperbilirubinemia. CASE DESCRIPTION: female patient, 12 years old, with liver transplantation performed at the age of 7 due to extrahepatic biliary atresia (EHBA). The patient was receiving the immunosuppressant tacrolimus (2 mg daily). Intraoral clinical exam showed tooth green pigmentation by bilirubin. Cone-beam volumetric computed tomography (CT) was performed to verify radiographic density of pigmented dental elements...
November 17, 2017: Revista Paulista de Pediatria: Orgão Oficial da Sociedade de Pediatria de São Paulo
https://www.readbyqxmd.com/read/29166466/neurological-complications-of-solid-organ-transplantation
#20
José Luiz Pedroso, Lívia Almeida Dutra, Pedro Braga-Neto, Agessandro Abrahao, João Brainer Clares de Andrade, Gabriel Lopes da Silva, Laila Almeida Viana, José Osmar Medina Pestana, Orlando G Barsottini
Solid organ transplantation is a significant development in the treatment of chronic kidney, liver, heart and lung diseases. This therapeutic approach has increased patient survival and improved quality of life. New surgical techniques and immunosuppressive drugs have been developed to achieve better outcomes. However, the variety of neurological complications following solid organ transplantation is broad and carries prognostic significance. Patients may have involvement of the central or peripheral nervous system due to multiple causes that can vary depending on time of onset after the surgical procedure, the transplanted organ, and the intensity and type of immunosuppressive therapy...
October 2017: Arquivos de Neuro-psiquiatria
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