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https://www.readbyqxmd.com/read/28492420/helminthic-therapy-a-new-era-in-immune-mediated-diseases
#1
Jawad Bilal, Elly Varma, Hem Desai, Dominick G Sudano
No abstract text is available yet for this article.
May 11, 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28484453/helminth-immunomodulation-in-autoimmune-disease
#2
REVIEW
Taylor B Smallwood, Paul R Giacomin, Alex Loukas, Jason P Mulvenna, Richard J Clark, John J Miles
Helminths have evolved to become experts at subverting immune surveillance. Through potent and persistent immune tempering, helminths can remain undetected in human tissues for decades. Redirecting the immunomodulating "talents" of helminths to treat inflammatory human diseases is receiving intensive interest. Here, we review therapies using live parasitic worms, worm secretions, and worm-derived synthetic molecules to treat autoimmune disease. We review helminth therapy in both mouse models and clinical trials and discuss what is known on mechanisms of action...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28459817/modulation-of-mycobacterium-tuberculosis-specific-humoral-immune-responses-is-associated-with-strongyloides-stercoralis-co-infection
#3
Rajamanickam Anuradha, Saravanan Munisankar, Yukti Bhootra, Chandrakumar Dolla, Paul Kumaran, Thomas B Nutman, Subash Babu
BACKGROUND / OBJECTIVES: Helminth infections are known to influence T cell responses in latent tuberculosis (LTBI). Whether helminth infections also modulate B cell responses in helminth-tuberculosis co-infection is not known. METHODS: We assessed Mycobacterium tuberculosis (Mtb)-antigen specific IgM and IgG levels, circulating levels of the B cell growth factors, BAFF and APRIL and the absolute numbers of the various B cell subsets in individuals with LTBI, LTBI with coincident Strongyloides stercoralis (Ss) infection (LTBI/Ss) and in those with Ss infection alone (Ss)...
May 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28432858/regulatory-function-of-parasites-in-autoimmune-disease-%C3%A2-outcome-from-experimental-model-infection
#4
Katarzyna Krawczak, Katarzyna Donskow-Łysoniewska, Maria Doligalska
It is estimated that more than half of the nowadays known species are pathogenic parasites. Among macroparasites gastrointestinal nematodes are one of most common and having significant impact on life and health. Those organisms reveal strong, specific immune response in host, involving primary mechanisms associated with regulatory and Th2 cells. Referring to immunomodulatory abilities of helminths, parasite infections started to be considered as a possible therapy for many autoimmune diseases. Clinical trials on 2nd and 3rd stage are conducted in spite that treatment has not been recognized as safe for common use...
2017: Annals of Parasitology
https://www.readbyqxmd.com/read/28399389/anthelmintic-flubendazole-and-its-potential-use-in-anticancer-therapy
#5
Kristýna Čáňová, Lucie Rozkydalová, Emil Rudolf
Flubendazole is a widely used anthelmintic drug belonging to benzimidazole group. The molecular mechanism of action of flubendazole is based on its specific binding to tubulin, which results in disruption of microtubule structure and function, and in the interference with the microtubule-mediated transport of secretory vesicles in absorptive tissues of helminths. The microtubule-disrupting properties of benzimidazole derivatives raised recently interest in these compounds as possible anti-cancer agents. In this minireview flubendazole effects towards selected human malignant cells including myeloma, leukemia, neuroblastoma, breast cancer, colorectal cancer and melanoma are discussed along with basic data on its pharmacokinetics, metabolism and toxicity...
April 11, 2017: Acta Medica (Hradec Králové)
https://www.readbyqxmd.com/read/28367220/lectins-interconnecting-proteins-with-biotechnological-pharmacological-and-therapeutic-applications
#6
REVIEW
Luana Cassandra Breitenbach Barroso Coelho, Priscila Marcelino Dos Santos Silva, Vera Lúcia de Menezes Lima, Emmanuel Viana Pontual, Patrícia Maria Guedes Paiva, Thiago Henrique Napoleão, Maria Tereza Dos Santos Correia
Lectins are proteins extensively used in biomedical applications with property to recognize carbohydrates through carbohydrate-binding sites, which identify glycans attached to cell surfaces, glycoconjugates, or free sugars, detecting abnormal cells and biomarkers related to diseases. These lectin abilities promoted interesting results in experimental treatments of immunological diseases, wounds, and cancer. Lectins obtained from virus, microorganisms, algae, animals, and plants were reported as modulators and tool markers in vivo and in vitro; these molecules also play a role in the induction of mitosis and immune responses, contributing for resolution of infections and inflammations...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28302598/helminths-in-the-gastrointestinal-tract-as-modulators-of-immunity-and-pathology
#7
Fumi Varyani, John O Fleming, Rick M Maizels
Helminth parasites are highly prevalent in many low- and middle-income countries, in which inflammatory bowel disease and other immunopathologies are less frequent than in the developed world. Many of the most common helminths establish in the gastrointestinal tract, and can exert counter-inflammatory influences on the host immune system. For these reasons, interest has arisen in how parasites may ameliorate intestinal inflammation and whether these organisms, or products they release, could offer future therapies for immune disorders...
March 16, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28204053/whipping-crohn-s-with-helminth-therapies-not-yet
#8
Clara Caenepeel, Gert Van Assche
No abstract text is available yet for this article.
April 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28167672/anthelmintic-therapy-modifies-the-systemic-and-mycobacterial-antigen-stimulated-cytokine-profile-in-helminth-latent-mycobacterium-tuberculosis-coinfection
#9
Rajamanickam Anuradha, Saravanan Munisankar, Yukthi Bhootra, Chandrakumar Dolla, Paul Kumaran, Thomas B Nutman, Subash Babu
Helminth infections are known to modulate cytokine responses in latent tuberculosis (LTB). However, very few studies have examined whether this modulation is reversible upon anthelmintic therapy. We measured the systemic and mycobacterial (TB) antigen-stimulated levels of type 1, type 2, type 17, and regulatory cytokines in individuals with LTB and with or without coexistent Strongyloides stercoralis infection before and after anthelmintic therapy. Our data reveal that individuals with LTB and coexistent S...
April 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28127349/disseminated-strongyloidiasis-in-an-immunodeficient-patient-pemphigus-vulgaris-due-to-corticosteroid-therapy-a-case-report
#10
Mohsen Najjari, Mohammad Ebrahimipour, Amir Kaheh, Mohammadreza Karimazar
Strongyloidiasis is a frequent misdiagnosed parasitic infection in the world that caused by Strongyloides stercoralis. In Iran, the disease is predominantly reported from warm and humid climate provinces. The patient was a 54-yr-old man, originated from Khuzestan Province with a history of pemphigus and diabetes that was treated with high-dose of corticosteroid drugs before admission in a non-private hospital in Shiraz, Iran in 2014. After different primary diagnosis and administrating of several drugs, endoscopy and histopatholgical biopsy revealed a massive S...
July 2016: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28094779/suppression-of-colitis-by-adoptive-transfer-of-helminth-antigen-treated-dendritic-cells-requires-interleukin-4-receptor-%C3%AE-signaling
#11
C E Matisz, B Faz-López, E Thomson, A Al Rajabi, F Lopes, L I Terrazas, A Wang, K A Sharkey, D M McKay
Infection with helminth parasites has been explored as a treatment for autoimmune and inflammatory diseases. As helminth antigens have potent immunomodulation properties capable of inducing regulatory programs in a variety of cell types, transferring cells treated with helminth antigens represents a novel extension to helminth therapy. Previous work determined that transfer of bone marrow-derived dendritic cells (DC) pulsed with a crude extract of the tapeworm Hymenolepis diminuta (HD) can suppress colitis in recipient mice...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/27936238/trehalose-6-phosphate-mediated-toxicity-determines-essentiality-of-otsb2-in-mycobacterium-tuberculosis-in-vitro-and-in-mice
#12
Jan Korte, Marina Alber, Carolina M Trujillo, Karl Syson, Hendrik Koliwer-Brandl, René Deenen, Karl Köhrer, Michael A DeJesus, Travis Hartman, William R Jacobs, Stephen Bornemann, Thomas R Ioerger, Sabine Ehrt, Rainer Kalscheuer
Trehalose biosynthesis is considered an attractive target for the development of antimicrobials against fungal, helminthic and bacterial pathogens including Mycobacterium tuberculosis. The most common biosynthetic route involves trehalose-6-phosphate (T6P) synthase OtsA and T6P phosphatase OtsB that generate trehalose from ADP/UDP-glucose and glucose-6-phosphate. In order to assess the drug target potential of T6P phosphatase, we generated a conditional mutant of M. tuberculosis allowing the regulated gene silencing of the T6P phosphatase gene otsB2...
December 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27864548/from-ige-to-omalizumab
#13
Toshiaki Kawakami, Ulrich Blank
IgE is the least abundant Ig isotype, yet it plays a critical role in allergic reactions and host protection from helminth infection. Although IgE was discovered 50 years ago, the ultimate evidence for its role in human allergic diseases was obtained by the efficacy of anti-IgE therapy in many clinical trials on asthma and other allergic diseases. Beginning from the discovery of IgE 50 y ago, followed by studies of IgE receptors and activation mechanisms, this review provides a historic perspective of allergy research that has led to the development of anti-IgE therapy and other strategies targeting IgE and its receptors...
December 1, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27822723/impact-of-safe-distance-on-long-term-outcome-after-surgical-therapy-of-alveolar-echinococcosis
#14
Andreas Hillenbrand, Beate Gruener, Wolfgang Kratzer, Peter Kern, Tilmann Graeter, Thomas F Barth, Klaus Buttenschoen, Doris Henne-Bruns
INTRODUCTION: In humans, alveolar echinococcosis (AE) is a serious helminthic disease. Additionally to a long-term medical treatment, in all suitable cases a complete surgical resection with a 20-mm safe distance (minimal distance of larval tissue to resection margin) is recommended. We analyzed the influence of the safe distance and the effect of the postoperative anthelmintic prophylaxis on the long-term outcome of patients who underwent surgery with curative intent. OBJECTIVE: Ninety-two operated patients were evaluated regarding the safe distance, the duration of medical therapy with benzimidazole derivates, and the further course of AE...
November 7, 2016: World Journal of Surgery
https://www.readbyqxmd.com/read/27802332/anti-arthritic-activity-of-schistosoma-mansoni-and-trichinella-spiralis-derived-antigens-in-adjuvant-arthritis-in-rats-role-of-foxp3-treg-cells
#15
Maha M Eissa, Dalia K Mostafa, Amany A Ghazy, Mervat Z El Azzouni, Laila M Boulos, Layla K Younis
A growing body of evidence supports the concept of helminths therapy in a variety of autoimmune diseases. Here, we aimed to investigate the protective effects of autoclaved Schistosoma mansoni antigen (ASMA) and Trichinella spiralis antigen (ATSA) on the clinical and immunopathological features of rheumatoid arthritis (RA). Adjuvant arthritis was induced by subcutaneous and intradermal injections of complete Freund's adjuvant into the plantar surface of the right hind paw and the root of the tail, respectively...
2016: PloS One
https://www.readbyqxmd.com/read/27743501/mucosal-and-systemic-immune-modulation-by-trichuris-trichiura-in-a-self-infected-individual
#16
A Dige, T K Rasmussen, P Nejsum, R Hagemann-Madsen, A R Williams, J Agnholt, J F Dahlerup, C L Hvas
Helminthic therapy of immune-mediated diseases has gained attention in recent years, but we know little of how helminths modulate human immunity. In this study, we investigated how self-infection with Trichuris (T.) trichiura in an adult man without intestinal disease affected mucosal and systemic immunity. Colonic mucosal biopsies were obtained at baseline, during T. trichiura infection, and after its clearance following mebendazole treatment. Unexpectedly, the volunteer experienced a Campylobacter colitis following T...
October 15, 2016: Parasite Immunology
https://www.readbyqxmd.com/read/27733639/strongyloidiasis-related-iris-a-case-report-and-literature-review
#17
Haggai Bar-Yoseph, Yaniv Zohar, Margalit Lorber
Helminthic infection and HIV have been reported to coexist, particularly in sub-Saharan African patients living with HIV. Strongyloidiasis is one of the most common helminths, usually leading to cutaneous and gastrointestinal (GI) symptoms. In the immunocompromised host, this infection can lead to strongyloidiasis hyperinfection syndrome (SHS), not common in HIV-infected patients. Immune reconstitution inflammatory syndrome (IRIS) can follow the initiation of antiretroviral therapy (ART), with a variety of presentations...
October 12, 2016: Journal of the International Association of Providers of AIDS Care
https://www.readbyqxmd.com/read/27672083/treatment-with-cestode-parasite-antigens-results-in-recruitment-of-ccr2-myeloid-cells-the-adoptive-transfer-of-which-ameliorates-colitis
#18
José L Reyes, Fernando Lopes, Gabriella Leung, Nicole L Mancini, Chelsea E Matisz, Arthur Wang, Emma A Thomson, Nicholas Graves, John Gilleard, Derek M McKay
Awareness of the immunological underpinnings of host-parasite interactions may reveal immune signaling pathways that could be used to treat inflammatory disease in humans. Previously we showed that infection with the rat tapeworm, Hymenolepis diminuta, used as a model helminth, or systemic delivery of worm antigen (HdAg) significantly reduced the severity of dinitrobenzene sulfonic acid (DNBS)-induced colitis in mice. Extending these analyses, intraperitoneal injection of HdAg dose-dependently suppressed dextran sodium sulfate (DSS)-induced colitis, and this was paralleled by reduced gamma interferon (IFN-γ), interleukin-17 (IL-17), and tumor necrosis factor alpha (TNF-α) production and increased IL-10 production from mitogen-activated splenocytes...
December 2016: Infection and Immunity
https://www.readbyqxmd.com/read/27665994/regulation-of-type-2-diabetes-by-helminth-induced-th2-immune-response
#19
Motoko Morimoto, Noritsugu Azuma, Hikaru Kadowaki, Tatsuya Abe, Yoshiko Suto
Helminth-induced type 2 cytokines increase the number of regulatory T cells and alternatively activated macrophages, resulting in modulation of the host-immune system. Studies on these parasite-induced immunoregulatory mechanisms might contribute to the development of new therapies for inflammatory diseases, including type 2 diabetes (T2D). Previous studies have suggested that progression of obesity-associated metabolic abnormalities is under pathophysiological control of CD4+ T cells. Glucose absorption through the intestinal epithelium reduced after infection in a STAT-6-dependent manner...
January 10, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/27575495/helminth-regulation-of-immunity-a-three-pronged-approach-to-treat-colitis
#20
Fernando Lopes, Chelsea Matisz, José L Reyes, Humberto Jijon, Ahmed Al-Darmaki, Gilaad G Kaplan, Derek M McKay
By reputation, the parasite is a pariah, an unwelcome guest. Infection with helminth parasites evokes stereotypic immune responses in humans and mice that are dominated by T helper (Th)-2 responses; thus, a hypothesis arises that infection with helminths would limit immunopathology in concomitant inflammatory disease. Although infection with some species of helminths can cause devastating disease and affect the course of microbial infections, analyses of rodent models of inflammatory disease reveal that infection with helminth parasites, or treatment with helminth extracts, can limit the severity of autoinflammatory disease, including colitis...
October 2016: Inflammatory Bowel Diseases
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