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https://www.readbyqxmd.com/read/28535011/tumor-growth-limited-to-subcutaneous-site-vs-tumor-growth-in-pulmonary-site-exhibit-differential-effects-on-systemic-immunities
#1
Junko Masuda, Eiji Takayama, Warren Strober, Ayano Satoh, Yuji Morimoto, Yasuko Honjo, Tatsuo Ichinohe, Shin-Ichi Tokuno, Toshiaki Ishizuka, Takahiro Nakata, Akifumi Mizutani, Naoki Umemura, Atsushi Kitani, Ivan J Fuss, Tsukasa Shigehiro, Harumi Kawaki, Masako Mizuno-Kamiya, Nobuo Kondoh, Masaharu Seno
To evaluate systemic immunity associated with tumor growth limited to a subcutaneous site versus growth proceeding at multiple tumor sites, we established syngeneic mouse subcutaneous and pulmonary tumor models by local subcutaneous and intravenous injection of colon carcinoma CT26 cells. We found that splenic myeloid-derived suppressor cell (MDSC) levels were significantly increased in the subcutaneous tumor model but not in the pulmonary tumor model. Furthermore, both CD4+ and CD8+ T cells as well as CD4+ Foxp3+ T cells were significantly decreased in the subcutaneous tumor model and were largely unchanged in the pulmonary tumor model...
May 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534943/bu-fei-decoction-attenuates-the-tumor-associated-macrophage-stimulated-proliferation-migration-invasion-and-immunosuppression-of-non-small-cell-lung-cancer-partially-via-il-10-and-pd-l1-regulation
#2
Lina Pang, Shuyan Han, Yanna Jiao, Shantong Jiang, Xiran He, Pingping Li
Macrophages play a pivotal role in tumor microenvironment. Bu-Fei Decoction (BFD) is a classical formula of traditional Chinese medicine (TCM) to alleviate lung cancer related symptoms, whether it has antitumor effect or could influence cancer microenvironment deserves further study. The aim of the present study was to examine the antitumor effect of BFD on non-small cell lung cancer (NSCLC), and to investigate the underlying mechanisms through tumor associated macrophages (TAMs). M2-polarized TAMs were induced by Phorbol 12-myristate 13-acetate (PMA) and interleukin 4 (IL-4)...
May 19, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28534120/serum-concentrations-of-mcp-1-and-il-6-in-combination-predict-the-presence-of-coronary-artery-disease-and-mortality-in-subjects-undergoing-coronary-angiography
#3
Mohammad Tajfard, Latiffah A Latiff, Hamid Reza Rahimi, Mohsen Moohebati, Mehdi Hasanzadeh, Ahmad Sarreshtehdar Emrani, Habibollah Esmaeily, Ali Taghipour, Sayed Reza Mirhafez, Gordon A Ferns, Maryam Mardan-Nik, Elham Mohammadzadeh, Amir Avan, Parichehr Hanachi, Majid Ghayour-Mobarhan
Cytokines play a key role in the pathogenesis of coronary artery disease (CAD). The aim of current study was to investigate the relationship between the serum concentrations of 12 cytokines with mortality and extent of CAD in individuals undergoing angiography and healthy controls. 342 CAD patients were recruited and divided into 2 groups: those with ≥50% occlusion in at least one coronary artery [Angiography (+)] or <50% obstruction in coronary arteries [Angiography (-)]. Also 120 healthy subjects were enrolled as control group...
May 22, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28533556/evolution-of-th2-responses-characterization-of-il-4-13-in-sea-bass-dicentrarchus-labrax-l-and-studies-of-expression-and-biological-activity
#4
Valentina Stocchi, Tiehui Wang, Elisa Randelli, Massimo Mazzini, Marco Gerdol, Alberto Pallavicini, Chris J Secombes, Giuseppe Scapigliati, Francesco Buonocore
Th2 immunity is a primary host defence against metazoan pathogens and two of the important cytokines involved in this immune response in mammals are IL-4 and IL-13. Recently the origin and evolution of Th2 immune responses have been investigated in fish where a molecule with relatedness to both IL-4 and IL-13 is present, termed IL-4/13. Different IL-4/13 paralogues (IL-4/13 A and IL-4/13B) exist in teleost fish. In this paper, we have focused on the IL-4/13 isoforms found in the European sea bass (Dicentrarchus labrax L...
May 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28533444/t-follicular-helper-cell-derived-il-4-is-required-for-ige-production-during-intestinal-helminth-infection
#5
Alexandre P Meli, Ghislaine Fontés, Cindy Leung Soo, Irah L King
IgE production plays a crucial role in protective as well as pathogenic type 2 immune responses. Although the cytokine IL-4 is required for the development of IgE-producing plasma cells, the source of IL-4 and cellular requirements for optimal IgE responses remain unclear. Recent evidence suggests that T follicular helper (Tfh) cells are the primary producer of IL-4 in the reactive lymph node during type 2 immune responses. As Tfh cells are also required for the development of plasmablasts derived from germinal center and extrafollicular sources, we hypothesized that this cell subset is essential for the IgE plasmablast response...
May 22, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28532013/exercise-enhance-the-ectopic-bone-formation-of-calcium-phosphate-biomaterials-in-muscles-of-mice
#6
Lijia Cheng, Shuo Yan, Jiang Zhu, Peiling Cai, Ting Wang, Zheng Shi
OBJECTIVE: To investigate whether exercise can enhance ectopic bone formation of calcium phosphate (Ca-P) biomaterials in muscles of mice. METHODS: Firstly, ten transient receptor potential vanilloid subfamily member 1 (TRPV1) knockout mice (group KO) and ten C57BL/6 mice (group WT) were randomly chosen, 10μg Ca-P biomaterials were implanted into the thigh muscle pouch of each mouse which was far away from femur; after that, all animals were kept in open field for free exploration 5min, and the movement time and distance were automatically analyzed...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531919/bupleurum-chinense-extract-ameliorates-an-ova-induced-murine-allergic-asthma-through-the-reduction-of-the-th2-and-th17-cytokines-production-by-inactivation-of-nf%C3%AE%C2%BAb-pathway
#7
Thi Tho Bui, Chun Hua Piao, Chang Ho Song, Hee Soon Shin, Ok Hee Chai
Bupleurum chinense belongs to the Bupleurum spp. family that has been used in traditional herbal medicine for over thousand years. It has been reported to have anti-inflammatory, anti-oxidant, hepato-protective, antipyretic, analgesic, anti-fibrotic and immunomodulatory effect. However, the effect of B. Chinense on allergic asthma remains unclear. This study investigated the immunomodulatory effects of B. Chinense extracts (BCE) on airway inflammation in asthmatic mice model. In the ovalbumin (OVA)-induced allergic asthma model, we evaluated the number of total cells, differential inflammatory cells and the production of proinflammatory cytokines in bronchoalveolar lavage fluid (BALF) and lung homogenate as well as histological structure...
May 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28531813/immunomodulatory-function-of-whole-human-umbilical-cord-derived-mesenchymal-stem-cells
#8
Hao Zhang, Yanling Tao, Haihui Liu, Saisai Ren, Bin Zhang, Hu Chen
Bone marrow derived mesenchymal stem cells (MSCs) play a critical role in immune modulation. However, immunomodulatory function of whole human umbilical cord derived mesenchymal stem cells (UC-MSCs) remains unclear. In this study, UC-MSCs were separated from whole umbilical cord using a single enzyme digestion. UC-MSCs (CD73(+), CD90(+), CD105(+), and CD34(-), CD45(-), HLA-DR(-)) were differentiated into adipocytes, osteocytes and chondrocytes in vitro under specific stimulatory environments. UC-MSCs suppressed umbilical cord blood lymphocyte proliferation stimulated by mitogen, and ELISA showed that the secretion of INF-γ was downregulated, and the secretion of IL-4 was upregulated, with CD8(+) T cells markedly decreased and CD4(+) T cells changed lightly...
May 19, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28529526/genetic-factors-and-the-risk-of-periodontitis-development-findings-from-a-systematic-review-composed-of-13-studies-of-meta-analysis-with-71-531-participants
#9
REVIEW
Maélson Klever da Silva, Antonio Carlos Gonçalves de Carvalho, Even Herlany Pereira Alves, Felipe Rodolfo Pereira da Silva, Larissa Dos Santos Pessoa, Daniel Fernando Pereira Vasconcelos
Purpose. This work aimed to synthesize the results of recent meta-analysis focusing on polymorphism in inflammatory mediators and its relation with the risk of periodontitis development. Materials and Methods. A systematic search was conducted using databases for publications prior to October 2016. Three examiners extracted data from articles with a clear association between polymorphisms in the inflammatory mediator gene and the development of periodontitis through meta-analysis using the fixed or randomized statistical models to calculate the Odds Ratio with values of P < 0...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28529118/early-life-allergen-and-air-pollutant-exposures-alter-longitudinal-blood-immune-profiles-in-infant-rhesus-monkeys
#10
Candace M Crowley, Justin H Fontaine, Joan E Gerriets, Edward S Schelegle, Dallas M Hyde, Lisa A Miller
Early life is a critical period for the progressive establishment of immunity in response to environmental stimuli; the impact of airborne challenges on this process is not well defined. In a longitudinal fashion, we determined the effect of episodic house dust mite (HDM) aerosol and ozone inhalation, both separately and combined, on peripheral blood immune cell phenotypes and cytokine expression from 4 to 25weeks of age in an infant rhesus monkey model of childhood development. Immune profiles in peripheral blood were compared with lung lavage at 25weeks of age...
May 18, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28528914/systemic-sclerosis-dermal-fibroblasts-suppress-th1-cytokine-production-via-galectin-9-overproduction-due-to-fli1-deficiency
#11
Ryosuke Saigusa, Yoshihide Asano, Kouki Nakamura, Megumi Hirabayashi, Shunsuke Miura, Takashi Yamashita, Takashi Taniguchi, Yohei Ichimura, Takehiro Takahashi, Ayumi Yoshizaki, Tomomitsu Miyagaki, Makoto Sugaya, Shinichi Sato
Dermal fibroblasts promote skin-localized transdifferentiation of Tregs to Th2-like cells in systemic sclerosis (SSc). However, the entire effect of SSc dermal fibroblasts on immune cells still remains unknown. Since galectin-9 induces Th2 cytokine-predominant immune imbalance by negatively regulating Th1/Th17 cells in inflammatory diseases, we investigated the contribution of galectin-9 to Th immune balance in SSc lesional skin. We utilized human clinical samples and Fli1(+/-) mice because Fli1 deficiency induces SSc-like phenotypes in various cell types...
May 18, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28528009/identification-of-novel-haemophilus-parasuis-serovar-5-vaccine-candidates-using-an-immunoproteomic-approach
#12
Gang Li, Fang Xie, Jianjun Li, Jiao Liu, Dapeng Li, Yanhe Zhang, Paul R Langford, Yanwen Li, Siguo Liu, Chunlai Wang
Haemophilus parasuis is the aetiological agent of Glässer's disease, which is responsible for cases of fibrinous polyserositis, polyarthritis and meningitis. No vaccine is known that provides cross-protection against all serovars. The identification of novel immunoprotective antigens would undoubtedly contribute to the development of efficient subunit vaccines. In the present study, an immunoproteomic approach was used to analyze secreted proteins of H. parasuis and six proteins with high immunogenicity were identified...
May 17, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28527887/mst1-deficiency-promotes-b-cell-responses-by-cd4-t-cell-derived-il-4-resulting-in-hypergammaglobulinemia
#13
Eunchong Park, Myun Soo Kim, Ju Han Song, Kyung Min Cho, Kyung-Hye Roh, Rana Lee, Tae Sung Kim
MST1 deficiency causes T and B cell lymphopenia, resulting in combined immunodeficiency. However, MST1-deficient patients also exhibit autoimmune-like symptoms such as hypergammaglobulinemia and autoantibody production. Recent studies have shown that the autoimmune responses observed in MST1-deficient patients were most likely attributable to defective regulatory T (Treg) cells instead of intrinsic signals in MST1-lacking B cells. Nevertheless, it is not determined how MST1 deficiency in T cells breaks B cell tolerance and causes systemic autoimmune-like phenotypes...
May 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28527399/the-effects-of-melamine-with-or-without-cyanuric-acid-on-immune-function-in-ovalbumin-sensitized-mice
#14
Rong H Yin, Qiao Dong, Hua S Li, Jing Yuan, Xi T Li, Rong L Yin, Wen Li, Wen C Wang, Bao S Liu, Xiao H Han, Ren F Wang, Xin Wang, Wen L Bai
Melamine is commonly used in the chemical industry, and it has been found to exist on food processing equipment and utensils. Previous investigations suggested that melamine alone or its combination with cyanuric acid appears to be toxic to immune system in animals. The objective of this study is to investigate the potential effects of melamine with or without cyanuric acid on immune function in ovalbumin- sensitized mice. Our data indicated that melamine-related administration caused a significant decreasing in the content of IL-4 in mice in comparison to negative control group...
May 13, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28527347/immunostimulatory-activity-of-plumieride-an-iridoid-in-augmenting-immune-system-by-targeting-th-1-pathway-in-balb-c-mice
#15
Jasvinder Singh, Arem Qayum, Rachna D Singh, Mytre Koul, Anpurna Kaul, N K Satti, Prabhu Dutt, Abid Hamid, Shashank Singh
Plumieride, an iridoid glucoside isolated from Plumieria acutifolia leaves was investigated for its immunostimulatory activity on humoral, cell mediated and intracellular cytokine levels in sensitized and unsensitised balb/c mice. Plumieride restores the suppressed cell mediated, humoral immune response and also enhances the release of TNF- α, IFN-γ, and IL-2 (Th-1) in immune compromised cyclosporine and cyclophosphamide treated balb/c mice. It does not stimulate the IL-4 (Th-2) expression. Plumieride demonstrates significant augmentation of Th-1 response in immunosuppressed balb/c mice...
May 17, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28526774/preliminary-evaluation-of-cytosine-phosphate-guanine-oligodeoxynucleotides-bound-to-gelatine-nanoparticles-as-immunotherapy-for-canine-atopic-dermatitis
#16
I Wagner, K J Geh, M Hubert, G Winter, K Weber, J Classen, C Klinger, R S Mueller
Cytosine-phosphate-guanine oligodeoxynucleotides (CpG ODN) are a promising new immunotherapeutic treatment option for canine atopic dermatitis (AD). The aim of this uncontrolled pilot study was to evaluate clinical and immunological effects of gelatine nanoparticle (GNP)-bound CpG ODN (CpG GNP) on atopic dogs. Eighteen dogs with AD were treated for 8 weeks (group 1, n=8) or 18 weeks (group 2, n=10). Before inclusion and after 2 weeks, 4 weeks, 6 weeks (group 1+2), 8 weeks, 12 weeks and 16 weeks (group 2) 75 µg CpG ODN/dog (bound to 1...
May 19, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28526278/biotherapeutics-in-chronic-rhinosinusitis-with-and-without-nasal-polyps
#17
Claus Bachert, Philippe Gevaert, Peter Hellings
In western countries, 85% of chronic rhinosinusitis with nasal polyp disease reveals a type 2 inflammatory pattern with expression of IL-4, -5, and -13 as well as increased concentrations of IgE, whereas chronic rhinosinusitis without nasal polyps merely expresses these biomarkers. The degree of type 2 inflammation furthermore is associated with disease severity, asthma comorbidity, and recurrence of disease after surgery. Therefore, these biomarkers also form the targets for innovative therapeutic approaches such as monoclonal antibodies directed against IgE, IL-5, and IL-4 receptor alpha, blocking the activity of IL-4 and -13...
May 16, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28524802/effects-of-occupational-silica-exposure-on-oxidative-stress-and-immune-system-parameters-in-ceramic-workers-in-turkey
#18
Hatice Gul Anlar, Merve Bacanli, Servet İritaş, Ceylan Bal, Türker Kurt, Engin Tutkun, O Hinc Yilmaz, Nursen Basaran
Silica is the second most common element after oxygen, and therefore, exposures to crystalline silica dust occur in a large variety of occupations such as metal foundries, constructions, and ceramic, quarry, and pottery industries. Since crystalline silica exposure has been linked with silicosis, lung cancer, and other pulmonary diseases, adverse effect attributed to this element has be a cause for concern worldwide. Silica dust exposure in workers is still considered to be important health problem especially in developing countries...
May 19, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28524369/therapeutic-roles-of-telocytes-in-ova-induced-acute-asthma-in-mice
#19
Ling Ye, Dongli Song, Meiling Jin, Xiangdong Wang
Telocytes (TCs) newly discovered as the mesenchyme-derived interstitial cells were found to have supportive effects on mesenchymal stem cells (MSCs). The present study aimed at investigating effects of TCs or TCs gathered with MSCs on experimental airway inflammation and hyper-responsiveness. The TCs were isolated from the lung tissue of the female BALB/c mice. The ovalbumin (OVA)-induced asthma model was established. TCs (1 × 10(6) /2 × 10(6) ) and/or MSCs (1 × 10(6) ) were injected through mice tail vein for consecutive three days before OVA excited the mice...
May 19, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28524044/expression-of-keratin-1-keratin-10-desmoglein-1-and-desmocollin-1-in-the-epidermis-possible-downregulation-by-interleukin-4-and-interleukin-13-in-atopic-dermatitis
#20
Ami Totsuka, Miyuki Omori-Miyake, Makoto Kawashima, Junji Yagi, Yuichiro Tsunemi
In the pathogenesis of atopic dermatitis (AD), skin barrier dysfunction and T-helper (Th) type 2 immune reactions play important roles. Alterations in the stratum spinosum of AD have not been studied in much detail. In this study, we investigated the changes of structural proteins and adhesion molecules residing in the stratum spinosum of AD lesional skin, and whether Th2 cytokines including interleukin (IL)-4 and IL-13 alter the expression of these proteins. Skin samples were collected from patients with AD and from healthy controls...
May 19, 2017: European Journal of Dermatology: EJD
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