Suppressor T cells in the specific control of the carrier response to schistosomula in mice infected with Schistosoma mansoni.

abstract：:After several in vitro treatments of a virulent population of Leishmania major with the mutagen, N-methyl-N'-nitro-N-nitrosoguanidine (MNNG), five clones (vir-) were obtained that did not produce cutaneous lesions after subcutaneous injection of 10(6) promastigotes. All the control clones (vir+) obtained from the non-...

journal_title：Parasite immunology

authors： Marchand M,Daoud S,Titus RG,Louis J,Boon T

更新日期：1987-01-01 00:00:00

abstract：:Leishmania mexicana is the causal agent of cutaneous leishmaniasis in Mexico. Dendritic cells (DC) are one of the host cells of Leishmania parasites. Intracellular microorganisms inhibit host cell apoptosis as a strategy to ensure their survival in infected cells. We have previously shown that Leishmania mexicana prom...

journal_title：Parasite immunology

authors： Vázquez-López R,Argueta-Donohué J,Wilkins-Rodríguez A,Escalona-Montaño A,Aguirre-García M,Gutiérrez-Kobeh L

更新日期：2015-11-01 00:00:00

abstract：:Immunization of mammals with irradiated malaria sporozoites protects from a subsequent contact with the parasite. Protective immunity is directed against the pre-erythrocytic stages of the parasite, sporozoites and liver stages. Specific antibodies neutralize part of the infectious sporozoites infected by the mosquito...

journal_title：Parasite immunology

authors： Renggli J,Hahne M,Matile H,Betschart B,Tschopp J,Corradin G

更新日期：1997-03-01 00:00:00

abstract：:The merozoite surface protein 2 of P. falciparum is highly polymorphic in nature, but has regions of almost complete conservation at its N- and C-termini. We produced a chimeric recombinant protein comprising these regions only (hereafter termed NC). Mice immunized with the NC antigen produce antibodies at levels comp...

journal_title：Parasite immunology

authors： Lawrence N,Stowers A,Mann V,Taylor D,Saul A

更新日期：2000-05-01 00:00:00

abstract：:In this study, supplementation with the probiotic Saccharomyces boulardii promoted a reduction in intensity of infection by Toxocara canis and modulates cytokines mRNA expression in experimentally infected mice. IL-12 gene transcription had 40-fold increase in S. boulardii supplemented uninfected mice and sevenfold in...

journal_title：Parasite immunology

authors： de Avila LF,de Leon PM,de Moura MQ,Berne ME,Scaini CJ,Leivas Leite FP

更新日期：2016-05-01 00:00:00

abstract：:Recent advances in molecular genetics and in imaging mean that it is now increasingly feasible to image biological processes within helminth parasites and to visualize interactions between worms and their hosts. Moreover, other innovative imaging approaches that are not dependent on transgenic parasites have been appl...

journal_title：Parasite immunology

authors： Pearce EJ,Lok JB

更新日期：2013-09-01 00:00:00

abstract：:Leishmania major causes mild-to-severe cutaneous lesions resulting in significant disfigurations, if untreated. The drugs are toxic, and drug-resistance parasites are emerging. Therefore, a prophylactic vaccination is an urgent need. As no vaccine is available, we compared the genes expressed by virulent and avirulent...

journal_title：Parasite immunology

authors： Zutshi S,Kumar S,Sarode A,Roy S,Sarkar A,Saha B

更新日期：2020-02-01 00:00:00

abstract：:To investigate whether soluble Plasmodium falciparum antigens possess endotoxin-like properties, the interaction of Limulus amoebocyte lysate (LAL) with defined soluble antigens from Plasmodium falciparum was studied by various crossed immunoelectrophoretic methods and immunoblotting. The soluble P. falciparum antigen...

journal_title：Parasite immunology

authors： Jakobsen PH,Baek L,Jepsen S

更新日期：1988-11-01 00:00:00

abstract：:TSOL18 is a recombinant protein that has been shown in repeated experimental trials to be capable of protecting pigs against challenge infection with the cestode parasite Taenia solium. Antibodies raised by the vaccine are capable of killing the parasite in an in vitro culture and it is believed that antibody and comp...

journal_title：Parasite immunology

authors： Assana E,Gauci CG,Kyngdon CT,Zoli AP,Dorny P,Geerts S,Lightowlers MW

更新日期：2010-06-01 00:00:00

abstract：:Hyporesponsiveness induced by Heligmosomoides polygyrus was quantified and the relationship between TGF-beta and inflammation was identified in BALB/c mice. The immune response and pathological changes modified by neutralization of TGF-beta were characterized in vivo. Nine and twelve days following infection, BALB/c m...

journal_title：Parasite immunology

authors： Doligalska M,Rzepecka J,Drela N,Donskow K,Gerwel-Wronka M

更新日期：2006-08-01 00:00:00

abstract：:Previous studies have shown that Leishmania elongation initiation factor (LeIF) antigen causes a partial immunity against leishmaniasis. The antigen develops type I immunity by overexpression of inflammatory cytokines such as interleukin-12 (IL-12), IFN-γ and TNF-α. Therefore, We evaluated immune responses induced by ...

journal_title：Parasite immunology

authors： Maspi N,Ghaffarifar F,Sharifi Z,Dalimi A

更新日期：2016-04-01 00:00:00

abstract：:In schistosomiasis endemic areas, intensities of reinfection after treatment are greater amongst young children than amongst adults, and high levels of parasite-specific IgE are associated with resistance to reinfection in an age-dependent manner. Previously we have reported that, in Western blots, a 22 kDa band was r...

journal_title：Parasite immunology

authors： Dunne DW,Webster M,Smith P,Langley JG,Richardson BA,Fulford AJ,Butterworth AE,Sturrock RF,Kariuki HC,Ouma JH

更新日期：1997-02-01 00:00:00

abstract：:To study the role of autoreactive T cells in the pathogenesis of cardiomyopathy in Chagas' disease, we generated a cell line by repeated in vitro antigenic stimulation of purified splenic CD4+ T lymphocytes from a chronically Trypanosoma cruzi-infected mouse. Cells from this line were confirmed to be CD4+ CD8- and pro...

journal_title：Parasite immunology

authors： Ribeiro-Dos-Santos R,Mengel JO,Postol E,Soares RA,Ferreira-Fernandez E,Soares MB,Pontes-De-Carvalho LC

更新日期：2001-02-01 00:00:00

abstract：:The Bacillus thuringiensis Cry1Ac protoxin (pCry1Ac) is a promising mucosal immunogen and adjuvant that induces protective immunity against Naegleria fowleri and malaria infection models. We determined whether pCry1Ac acted as a protective adjuvant against infection with Taenia crassiceps. BALB/C mice were thrice i.p....

journal_title：Parasite immunology

authors： Ibarra-Moreno S,García-Hernández AL,Moreno-Fierros L

更新日期：2014-06-01 00:00:00

abstract：:In this study, we investigated the characteristics of the infection and subsequent immunity induced by Strongyloides venezuelensis in Lewis rats. Animals were infected with 4000 L3 of S. venezuelensis and number of eggs per gram of faeces indicated an acute phase around day 8 and a recovery phase around day 32 after i...

journal_title：Parasite immunology

authors： Chiuso-Minicucci F,Marra NM,Zorzella-Pezavento SF,França TG,Ishikawa LL,Amarante MR,Amarante AF,Sartori A

更新日期：2010-01-01 00:00:00

abstract：:Despite the plethora of evidence on the consequences of host nutrition on their immune responses to gastrointestinal parasites, the identity of molecules and mechanisms that drive the manifestations of immunity under nutrient abundance are not yet known. This is partly due to limitations of the methodologies employed ...

journal_title：Parasite immunology

authors： Athanasiadou S,Huntley JF

更新日期：2008-02-01 00:00:00

abstract：:Advances in hookworm immunoepidemiology are reviewed. Recent studies demonstrate a mixed Th1/Th2 response in human hookworm infection, with immunosuppression of specific and nonspecific IFN-gamma responses. There is increasing evidence for protective immunity in human hookworm infection, including anti-larval IL-5- an...

journal_title：Parasite immunology

authors： Quinnell RJ,Bethony J,Pritchard DI

更新日期：2004-11-01 00:00:00

abstract：:CD4(+) T cells respond to antigen immunization through a process of activation, clonal expansion to generate activated effector T cells followed by activation-induced clonal deletion of the responding T cells. While loss of responding T cells in post-activation death by apoptosis is a major factor regulating immune ho...

journal_title：Parasite immunology

authors： Mukherjee P,Devi YS,Chauhan VS

更新日期：2008-10-01 00:00:00

abstract：:As an orally acquired pathogen, the immune response to Toxoplasma gondii unfolds in the small intestinal mucosa. There, an array of regulatory and effector immune cells are elicited to combat the parasite through secretion of inflammatory mediators, normally resulting in host protection and pathogen control. Recent st...

journal_title：Parasite immunology

authors： Cohen SB,Denkers EY

更新日期：2015-03-01 00:00:00

abstract：:T-cell-deprived CBA mice were given thymus graft implants during the course of an infection with Trypanosoma musculi and at a time when the parasitaemia was high. As a consequence of the grafts, most of the mice survived the infection whereas control ungrafted mice died. In grafted animals there was generally a period...

journal_title：Parasite immunology

authors： Targett GA,Leuchars E,Davies AJ,Viens P

更新日期：1981-01-01 00:00:00

abstract：:African trypanosomes are well known for their ability to avoid immune elimination by switching the immunodominant variant surface glycoprotein (VSG) coat during infection. However, antigenic variation is only one of several means by which trypanosomes manipulate the immune system of their hosts. In this article, the r...

journal_title：Parasite immunology

authors： Mansfield JM,Paulnock DM

更新日期：2005-10-01 00:00:00

abstract：:Malaria parasites have a complex, multistage life cycle and there is a widely held view that each stage displays a distinct set of antigens presented to the immune system. Yet, molecular analysis of malaria parasites suggests that many putative antigenic targets are shared amongst the different stages. The specificiti...

journal_title：Parasite immunology

authors： Müller K,Gibbins MP,Matuschewski K,Hafalla JCR

更新日期：2017-07-01 00:00:00

abstract：:A longitudinal study was undertaken in Burkina Faso among 293 children aged 6 months to 9 years in order to determine the correlation between an antibody response to several individual malarial antigens and malarial infection. It was found that the presence of a positive antibody response at the beginning of the rainy...

journal_title：Parasite immunology

authors： Meraldi V,Nebié I,Tiono AB,Diallo D,Sanogo E,Theisen M,Druilhe P,Corradin G,Moret R,Sirima BS

更新日期：2004-06-01 00:00:00

abstract：:The incidence of both type 1 (T1D) and type 2 diabetes (T2D) is drastically increasing, and it is predicted that the global prevalence of diabetes will reach almost 600 million cases by 2035. Even though the pathogenesis of both types of diabetes is distinct, the immune system is actively involved in both forms of the...

journal_title：Parasite immunology

authors： Surendar J,Indulekha K,Hoerauf A,Hübner MP

更新日期：2017-05-01 00:00:00

abstract：:Intraperitoneal injection of Trypanosoma brucei AnTat 1.1 into mice of the C3H.He, BALB/c or C57BL/6 strains resulted in impaired immune responses from day 3 onwards, as measured by the reduction in DNA synthesis in spleen cell populations stimulated with concanavalin A (Con-A) in vitro. Adherent cells from the perito...

journal_title：Parasite immunology

authors： Borowy NK,Sternberg JM,Schreiber D,Nonnengasser C,Overath P

更新日期：1990-05-01 00:00:00

abstract：:Hookworms are one of the most prevalent parasites of humans in developing countries, but we know relatively little about the immune response generated to hookworm infection. This can be attributed to a lack of permissive animal models and a relatively small research community compared with those of the more high-profi...

journal_title：Parasite immunology

authors： McSorley HJ,Loukas A

更新日期：2010-08-01 00:00:00

abstract：:Onchocerca volvulus and the human immunodeficiency virus (HIV) are two immunocompromising infectious agents of major public health concern in Uganda. To examine the effect of coinfection with O. volvulus and HIV on cellular immune responses, lymphocyte proliferative responses and cytokine production of peripheral bloo...

journal_title：Parasite immunology

authors： Sentongo E,Rubaale T,Büttner DW,Brattig NW

更新日期：1998-09-01 00:00:00

abstract：:Cutaneous leishmaniasis, caused by the parasite Leishmania major, results in lesions at the site of infection, which are self-healing in resistant hosts. However, in the absence of the chemokine receptor CCR7, mice are unable to heal the lesion and develop chronic disease. These B6.CCR7(-/-) mice display an increased ...

journal_title：Parasite immunology

authors： Kling JC,Darby J,Körner H

更新日期：2014-04-01 00:00:00

abstract：:Serum from cats (Felis catus) that were repeatedly infected with Brugia pahangi and had become amicrofilaraemic (mf-ve) was injected intravenously into microfilaraemic (mf+ve) cats. If more than 1 microliter of immune serum per 1000 mf was injected, microfilarial counts fell dramatically within minutes and, in some ca...

journal_title：Parasite immunology

authors： Medeiros F,Baldwin CI,Denham DA

更新日期：1996-02-01 00:00:00

abstract：:The protective effect of specific vaccination against Plasmodium berghei (P. berghei) was compared in terms of survival percentage in DBA/2, C3H, outbred albino mice and in two lines of mice produced by selective breeding for either high or low antibody responsiveness to sheep erythrocyte (H and L lines respectively)....

journal_title：Parasite immunology

authors： Heumann AM,Bucci A,Stiffel C,Casaglia O,Zenobi P,Biozzi G

更新日期：1983-03-01 00:00:00