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https://www.readbyqxmd.com/read/29149780/interleukin-37-relieves-allergic-inflammation-in-a-house-dust-mite-allergic-rhinitis-murine-model
#1
Do Hyun Kim, Si Won Kim, Soo Whan Kim, Jun-Myung Kang
The purpose of this study was to investigate the effects of interleukin-37 (IL-37) on a Dermatophagoides farinae (Der f)-induced murine model of allergic rhinitis (AR). BALB/c mice, except the control groups, were sensitized intraperitoneally and challenged intranasally with Der f (Der f group). The IL-37 and IL-37+anti-CD25 groups were administered IL-37 intranasally. The IL-37+anti-CD25 groups were administered anti-CD25 monoclonal antibody intraperitoneally before challenge. Allergic symptoms and the average eosinophil number were counted...
October 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29146066/immunological-response-induced-by-cryoablation-against-murine-h22-hepatoma-cell-line-in-vivo
#2
Xueling Yang, Xiaoli Li, Zhi Guo, Tongguo Si, Haipeng Yu, Wenge Xing
OBJECTIVES: To describe immunological consequences induced by cryoablation against H22 cells in vivo. METHODS: Adult BALB/c mice underwent subcutaneous implantation of H22 cells. All of them were assigned into three groups randomly: group A (false surgery), group B (cryoablation) and group C (cryoablation plus Freund's adjuvant). Animals were sacrificed 1, 2 and 3 weeks after treatment. Serum IFN-γ and IL-4, Th1/Th2 in spleens and cytotoxicity were detected. RESULTS: Compared with that of group A, (1) INF-γ of group B was higher, but IL-4 was lower; cryoablation plus Freund's adjuvant enhanced these effects...
November 13, 2017: Cryobiology
https://www.readbyqxmd.com/read/29145431/effects-of-periodontitis-on-the-development-of-asthma-the-role-of-photodynamic-therapy
#3
Larissa Carbonera Candeo, Nicole Cristine Rigonato-Oliveira, Aurileia Aparecida Brito, Rodrigo Labat Marcos, Cristiane Miranda França, Kristianne Porta Santos Fernandes, Raquel Agnelli Mesquita-Ferrari, Sandra Kalil Bussadori, Rodolfo Paula Vieira, Adriana Lino-Dos-Santos-Franco, Ana Paula Ligeiro-Oliveira, Anna Carolina Ratto Tempestini Horliana
To evaluate whether periodontitis modulates lung inflammation in an experimental model of asthma as well as the photodynamic therapy (PDT) is associated with a reduction of lung inflammation. Seventy-two BALB/c male mice (~2 months) were randomly divided into 8 groups (n = 9): Basal, Periodontitis (P), P+PT, P+PT+PDT, Asthma (A), A+P, A+P+PT, and A+P+PT+PDT. Periodontitis was induced by using the ligature technique and asthma was induced by ovalbumin (OVA). PT was performed with curettes and PDT with methylene blue (0...
2017: PloS One
https://www.readbyqxmd.com/read/29145201/dietary-fructo-oligosaccharides-attenuate-early-activation-of-cd4-t-cells-which-produce-both-th1-and-th2-cytokines-in-the-intestinal-lymphoid-tissues-of-a-murine-food-allergy-model
#4
Masato Tsuda, Haruka Arakawa, Narumi Ishii, Chihiro Ubukata, Mana Michimori, Masanari Noda, Kyoko Takahashi, Shuichi Kaminogawa, Akira Hosono
BACKGROUND: Fructo-oligosaccharides (FOS) are prebiotic agents with immunomodulatory effects involving improvement of the intestinal microbiota and metabolome. In this study, we investigated the cellular mechanisms through which FOS modulate intestinal antigen-specific CD4+ T cell responses in food allergy, using OVA23-3 mice. METHODS: OVA23-3 mice were fed an experimental diet containing either ovalbumin (OVA) or OVA and FOS for 1 week. Body weight and mucosal mast cell protease 1 in the serum were measured as the indicator of intestinal inflammation...
November 17, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/29143798/skullcap-scutellaria-baicalensis-hexane-fraction-inhibits-the-permeation-of-ovalbumin-and-regulates-th1-2-immune-responses
#5
Sun Young Jung, So-Young Lee, Dae Woon Choi, Hye-Jeong See, Da-Ae Kwon, Jeong-Ryong Do, Dong-Hwa Shon, Hee Soon Shin
Skullcap (Scutellaria baicalensis) is well known for its anti-inflammatory and anti-allergic effects. In our previous study, we found that skullcap could inhibit allergen permeation and regulate Th1/2 immune balance. To reveal the key fractions and components of skullcap, we fractionated skullcap extract into five fractions: hexane, chloroform, ethyl acetate, butanol, and water fraction. Among these fractions, the hexane fraction significantly suppressed the production of Th2-mediated cytokines (Interleukin (IL)-4, 5, 10 and 13) and increased Th1-mediated cytokines (Interferon (IFN)-γ and IL-12)...
October 28, 2017: Nutrients
https://www.readbyqxmd.com/read/29140452/mechanical-ventilation-induces-il-4-secretion-in-lungs-and-reduces-the-phagocytic-capacity-of-lung-macrophages
#6
Kenny Bielen, Bart 's Jongers, Jan Boddaert, Christine Lammens, Philippe G Jorens, Surbhi Malhotra-Kumar, Herman Goossens, Samir Kumar-Singh
Patients receiving mechanical ventilation are at risk of developing ventilator-associated pneumonia. Here, we show that clinically utilized ventilation protocols in rat with 5 or 8 mL/kg tidal volumes cause increased IL-4 expression, lowered ratio of TH1:TH2 transcriptional factors (Tbet:Gata3) and increased arginase1-positive (Arg1+) macrophages and eosinophils in lungs. Macrophages from ventilated lungs had reduced ex vivo capacity towards phagocytosing bacteria. Ventilated animals, when further challenged with bacterial pneumonia, continued to show persistence of Arg1+ M2 macrophages as well as an increased bacterial burden compared to spontaneously breathing animals receiving the same bacterial dose...
November 13, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29138867/effect-of-xanthohumol-on-th1-th2-balance-in-a-breast-cancer-mouse-model
#7
Wenchao Zhang, Yanlong Pan, Panhong Gou, Cheng Zhou, Lianqing Ma, Qiming Liu, Yuping Du, Jinbo Yang, Qin Wang
Xanthohumol (XN), a prenylflavonoid found in the hop plant, Humulus lupulus, exhibits a variety of biological activities. Numerous studies have reported that XN inhibits the growth of many types of cancer cells, but the effects of XN on tumor immunity have not yet been studied. We explored the effect of XN on Th1/Th2 balance and the underlying mechanism based on a BALB/c-4T1 breast cancer mouse model. The results showed that XN significantly slowed down tumor growth and inhibited expression of antitumor proliferation protein Ki-67 as well as breast cancer-specific marker cancer antigen 15-3 (CA15-3)...
November 13, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29137646/the-potential-of-interleukin-37-as-an-effective-therapeutic-agent-in-asthma
#8
REVIEW
Lina Zhang, Jie Zhang, Peng Gao
Interleukin (IL)-37 belongs to the IL-1 cytokine family. It binds to IL-18Rα and recruits the orphan decoy IL-1R8. Emerging evidence shows that IL-37 is a key player in the regulation of inflammation, cellular differentiation, and proliferation. Altered IL-37 expression has been demonstrated in many inflammatory disease conditions, including asthma. In rheumatoid arthritis, IL-37 is involved in the regulation of proliferation, production of inflammatory mediators, and activation of inflammatory cells. Furthermore, this cytokine acts as a negative regulator of inflammation in inflammatory bowel disease...
November 14, 2017: Respiratory Research
https://www.readbyqxmd.com/read/29137359/granulysin-expressed-in-a-humanized-mouse-model-induces-apoptotic-cell-death-and-suppresses-tumorigenicity
#9
Ya-Wen Hsiao, Tsung-Ching Lai, Yu-Hsiang Lin, Chia-Yi Su, Jih-Jong Lee, Albert Taiching Liao, Yuan-Feng Lin, Shu-Chen Hsieh, Alexander T H Wu, Michael Hsiao
Granulysin (GNLY) is a cytolytic and proinflammatory protein expressed in activated human cytotoxic T lymphocytes (CTLs) and natural killer (NK) cells. Conventional mouse models cannot adequately address the triggering mechanism and immunopathological pathways in GNLY-associated diseases due to lack of the GNLY gene in the mouse genome. Therefore, we generated a humanized immune system (HIS) mouse model by transplanting human umbilical cord blood mononuclear cells into NOD.Cg-Prkdc(scid) Il2rg(tm1Wjl) /SzJ (NSG) mice after sublethally irradiation...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137294/immunoprevention-of-kras-driven-lung-adenocarcinoma-by-a-multipeptide-vaccine
#10
Jing Pan, Qi Zhang, Shizuko Sei, Robert H Shoemaker, Ronald A Lubet, Yian Wang, Ming You
Lung cancer remains the leading cause of cancer death worldwide. Mutations in KRAS are detected in up to 30% of lung cancer cases. No effective therapies specifically targeting mutant KRAS have been developed. Vaccination against KRAS mutants is one of the venues of active exploration. The present study evaluated both immunogenicity and antitumor efficacy of a newly formulated multipeptide vaccine targeting multiple epitopes of the KRAS molecule. The formulated vaccine contained top four peptides, which elicited the strongest immunologic response and showed 100% sequence homology between human and mouse...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137272/immunological-cytokine-profiling-identifies-tnf-%C3%AE-as-a-key-molecule-dysregulated-in-autistic-children
#11
Jiang Xie, Li Huang, Xiaohong Li, Hua Li, Yongmei Zhou, Hua Zhu, Tianying Pan, Keith M Kendrick, Wenming Xu
Recent studies have suggested that the etiology of autism spectrum disorder (ASD) may be caused by immunological factors, particularly abnormalities in the innate immune system. However, it is still unclear which specific cytokines may be of most importance. The current study therefore investigated which cytokines showed altered concentrations in blood in ASD compared with healthy control children and which were also correlated with symptom severity. Our study sample included 32 children diagnosed with ASD and 28 age and sex-matched typically developing children...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29133889/oral-exposure-to-dibutyl-phthalate-exacerbates-chronic-lymphocytic-thyroiditis-through-oxidative-stress-in-female-wistar-rats
#12
Yang Wu, Jinquan Li, Biao Yan, Yuqing Zhu, Xudong Liu, Mingqing Chen, Dai Li, Ching-Chang Lee, Xu Yang, Ping Ma
Chronic lymphocytic thyroiditis (CLT) is a common autoimmune disorder. The possible pathogenic role and mechanism of dibutyl phthalate (DBP) in CLT is still controversial. Experiments were conducted after 35-days of oral exposure to the three concentrations of DBP or saline, and three immunizations with thyroglobulin (TG). Healthy female Wistar rats were randomly divided into ten exposure groups (n = 8 each): (A) saline control, (B) 0.5 mg/kg/d DBP, (C) 5 mg/kg/d DBP, (D) 50 mg/kg/d DBP, (E) TG-immunized group, (F) TG- combined with 0...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29133249/immunomodulation-of-dual-specificity-phosphatase-4-during-visceral-leishmaniasis
#13
Shabina Parveen, Atish Roy Chowdhury, Junaid Jibran Jawed, Suchandra Bhattacharyya Majumdar, Bhaskar Saha, Subrata Majumdar
DUSP4, an inducible protein has a substrate specificity toward ERK1/2, a component of MAP kinase which is enhanced during Leishmania infection. The DUSP4(-/-) mice show increased susceptibility towards the infection caused by Toxoplasma gondii and Leishmania mexicana. These observations emphatically established the fact that unlike DUSP1, DUSP4 has host protective role. In our study, it has been Leishmania donovani, the causative agent of visceral leishmaniasis (VL) significantly reduced the expression of DUSP4 during infection...
November 10, 2017: Microbes and Infection
https://www.readbyqxmd.com/read/29132870/mtor-inhibitor-rapamycin-induce-polymorphonuclear-myeloid-derived-suppressor-cells-mobilization-and-function-in-protecting-against-acute-graft-versus-host-disease-after-bone-marrow-transplantation
#14
Yu Lin, Binsheng Wang, Wei Shan, Yamin Tan, Jingjing Feng, Lin Xu, Limengmeng Wang, Biqing Han, Mingming Zhang, Jian Yu, Xiaohong Yu, He Huang
The mammalian target of rapamycin (mTOR) inhibitor rapamycin (RAPA) has been shown to be an effective immunosuppressor in the management of acute graft-versus-host disease (aGVHD) after bone marrow transplantation. Myeloid-derived suppressor cells (MDSCs) also have a protective effect in aGVHD regulation. However, the relationship between RAPA and MDSCs in aGVHD models is unclear. Meanwhile, the effect of RAPA on different subgroups of MDSCs is also less well described. In this study, we demonstrate that in vivo administration of RAPA results in the expansion and functional enhancement of polymorphonuclear MDSCs (PMN-MDSCs) in a murine model of aGVHD...
November 10, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/29130972/human-dendritic-cells-with-th2-polarizing-capacity-analysis-using-label-free-quantitative-proteomics
#15
Leonie Hussaarts, Maria Mardalena Martini Kaisar, Arzu Tugce Guler, Hans Dalebout, Bart Everts, André M Deelder, Magnus Palmblad, Maria Yazdanbakhsh
BACKGROUND: Dendritic cells (DCs) are the sentinels of the immune system. Upon recognition of a pathogen, they mature and migrate to draining lymph nodes to prime and polarize T cell responses. Although it is known that helminths and helminth-derived molecules condition DCs to polarize T helper (Th) cells towards Th2, the underlying mechanisms remain incompletely understood. OBJECTIVES: The aim of this study was to conduct a proteome analysis of helminth antigen-stimulated DCs in order to gain more insight into the cellular processes associated with their ability to polarize immune responses...
November 10, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/29130606/oral-administration-of-lactobacillus-plantarum-cjlp133-and-cjlp243-alleviates-birch-pollen-induced-allergic-rhinitis-in-mice
#16
S-P Choi, H-N Oh, C-Y Choi, H Ahn, H S Yun, Y M Chung, B Kim, S J Lee, T Chun
AIMS: In this study, we evaluated the therapeutic efficacy of selected probiotics in a mouse model of birch pollen (BP)-induced allergic rhinitis. METHODS AND RESULTS: Oral administration of lactobacillus plantarum CJLP133 and CJLP243 ameliorated the symptoms of BP-induced allergic rhinitis by reducing airway hyperresponsiveness (AHR), and both the histological scores and the number of infiltrated cells in the nasal cavities and lungs. Compared with those from vehicle-treated mice, bronchoalveolar lavage (BAL) fluid and draining lymph node samples from CJLP133 and CJLP243-administrated mice showed diminished numbers of immune cells, increased secretion of a Th1-type cytokine (IFN-γ), and decreased production of Th2-type cytokines (IL-4, IL-5 and IL-13)...
November 12, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29129580/the-%C3%AE-and-%C3%AE-2%C3%AE-auxiliary-subunits-of-cav1-channels-are-required-for-th2-lymphocyte-function-and-acute-allergic-airway-inflammation
#17
Nicolas Rosa, Emily Triffaux, Virginie Robert, Marion Mars, Martin Klein, Gregory Bouchaud, Astrid Canivet, Antoine Magnan, Jean-Charles Guéry, Lucette Pelletier, Magali Savignac
BACKGROUND: T-lymphocytes express not only the cell membrane calcium ORAI1 but also voltage-dependent Cav1 channels. In excitable cells, these channels are composed of the ion forming pore α1 and auxiliary subunits (β and α2δ) needed for proper trafficking and activation of the channel. We previously disclosed the role of Cav1.2 α1 in mouse and human Th2- but not Th1-cell functions and showed that knocking-down Cav1 α1 prevents experimental asthma OBJECTIVE: We investigated the role of β and α2δ auxiliary subunits on Cav1 α1 function in Th2 lymphocytes and on the development of acute allergic airway inflammation...
November 9, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29129453/hepatitis-b-virus-core-particles-containing-multiple-epitopes-confer-protection-against-enterovirus-71-and-coxsackievirus-a16-infection-in-mice
#18
Chunling Huo, Jie Yang, Lei Lei, Lei Qiao, Jiantao Xin, Zishu Pan
Human enterovirus 71 (EV71) and coxsackievirus A16 (CA16) are the two major causative agents of hand-foot-and-mouth disease (HFMD). To investigate novel combined vaccines to prevent EV71 and CA16 infection, we constructed chimeric virus-like particles (tHBc/SPA or tHBc/SP VLPs) displaying conserved epitopes of EV71 (aa 208-222 of VP1 and aa 248-263 of VP2) and CA16 (aa271-285 of VP1) using a truncated hepatitis B virus core carrier (tHBc). Immunization with the chimeric VLPs induced epitope- or virus-specific IgG and neutralization antibodies against EV71 and CA16 in the mice...
November 9, 2017: Vaccine
https://www.readbyqxmd.com/read/29128645/kunitz-type-protease-inhibitor-as-a-vaccine-candidate-against-schistosomiasis-mansoni
#19
Shiwanthi L Ranasinghe, Mary Duke, Marina Harvie, Donald P McManus
OBJECTIVES: To develop a vaccine against schistosomiasis, which is a major challenge due to the complex life cycle of the causative schistosome parasite. METHODS: SmKI-1 is a 16kDa Kunitz type protease inhibitor present in the excretory/secretory products and tegument of adult worms and eggs of Schistosoma mansoni. Two independent vaccine trials were carried out in mice to determine the efficacy of rSmKI-1 in developing protective immunity. RESULTS: The results obtained showed reductions of 23-33% in adult worms, 28-31% in intestinal eggs, 33-39% in fecal eggs and 20-43% in liver eggs...
November 8, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29128405/systems-cues-governing-il6-signaling-in-leishmaniasis
#20
Bhavnita Soni, Bhaskar Saha, Shailza Singh
IL-6 has been proposed to favor the development of Th2 responses and play an important role in the communication between cells of multicellular organisms. They are involved in the regulation of complex cellular processes such as proliferation, differentiation and act as key player during inflammation and immune response. Th2 cytokines play an immunoregulatory role in early infection. Literature says in mice infected with L. major, IL-6 may promote the development of both Th1 and Th2 responses. IL-4 is also considered to be the signature cytokine of Th-2 response...
November 8, 2017: Cytokine
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