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https://www.readbyqxmd.com/read/28218721/bee-venom-phospholipase-a2-ameliorates-house-dust-mite-extract-induced-atopic-dermatitis-like-skin-lesions-in-mice
#1
Kyung-Hwa Jung, Hyunjung Baek, Manho Kang, Namsik Kim, Seung Young Lee, Hyunsu Bae
Atopic dermatitis (AD) is a biphasic inflammatory skin disease that is provoked by epidermal barrier defects, immune dysregulation, and increased skin infections. Previously, we have demonstrated that bvPLA2 evoked immune tolerance by inducing regulatory T cells (Treg), and thus alleviated Th2 dominant allergic asthma in mice. Here, we would like to determine whether treatment with bvPLA2 exacerbates the AD-like allergic inflammations induced by house dust mite extract (DFE) in a murine model. Epidermal thickness, immune cell infiltration, serum immunoglobulin, and cytokines were measured...
February 18, 2017: Toxins
https://www.readbyqxmd.com/read/28216598/clinical-signs-staphylococcus-and-atopic-eczema-related-seromarkers
#2
Kam Lun Hon, Kathy Yin Ching Tsang, Jeng Sum C Kung, Ting Fan Leung, Christopher W K Lam, Chun Kwok Wong
: Childhood eczema or atopic dermatitis (AD) is a distressing disease associated with pruritus, sleep disturbance, impaired quality of life and Staphylococcus aureus isolation. The pathophysiology of AD is complex and various seromarkers of immunity are involved. We investigated if anti-staphylococcal enterotoxin IgE (anti-SE), selected seromarkers of T regulatory (Treg), T helper (Th) and antigen-presenting cells (APC) are associated with clinical signs of disease severity and quality of life...
February 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28199353/oral-administration-of-lactobacillus-paracasei-l9-attenuates-pm2-5-induced-enhancement-of-airway-hyperresponsiveness-and-allergic-airway-response-in-murine-model-of-asthma
#3
Xifan Wang, Yan Hui, Liang Zhao, Yanling Hao, Huiyuan Guo, Fazheng Ren
This study investigated allergy immunotherapy potential of Lactobacillus paracasei L9 to prevent or mitigate the particulate matter 2.5 (PM2.5) enhanced pre-existing asthma in mice. Firstly, we used a mouse model of asthma (a 21-day ovalbumin (OVA) sensitization and challenge model) followed by PM2.5 exposure twice on the same day of the last challenge. PM2.5 was collected from the urban area of Beijing and underwent analysis for metals and polycyclic aromatic hydrocarbon contents. The results showed that PM2...
2017: PloS One
https://www.readbyqxmd.com/read/28124646/failure-of-itraconazole-to-prevent-t-helper-type-2-cell-immune-deviation-implications-for-chronic-rhinosinusitis
#4
Joshua L Kennedy, John W Steinke, Lixia Liu, Julie Negri, Larry Borish, Spencer C Payne
BACKGROUND: T-helper (Th) type 2 cell inflammation is the hallmark of several disease processes, including asthma, atopic dermatitis, and some forms of chronic rhinosinusitis. Itraconazole has been used as both an antifungal and an anti-inflammatory agent, with some success in many of these diseases, in part, by altering Th2 cytokine expression by T cells. It is not known whether this merely reflects inhibition of established Th2-like cells or the inhibition of differentiation of naive T cells into Th2-like cells...
November 1, 2016: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28123478/effects-of-salbutamol-aerosol-combined-with-magnesium-sulfate-on-t-lymphocyte-subgroup-and-th1-th2-cytokines-of-pediatric-asthma
#5
Min Diao, Jie Min, Fei Guo, Chong-Lin Zhang
The aim of the study was to analyze the effects of the intravenous infusion of salbutamol aerosol combined with magnesium sulfate in the treatment of pediatric asthma and the subsequent effects on the levels of T-lymphocyte subgroups and Th1/Th2 cytokines. A total of 86 patients with pediatric asthma, first diagnosed and treated at the Xuzhou Children's Hospital, were continuously selected and randomly divided into an observation group of 44 cases and control group of 42 cases. The patients in the control group were treated with budesonide atomization inhalation, while the children in the observation group were treated with intravenous infusion of salbutamol aerosol combined with magnesium sulfate...
January 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28122397/oral-administration-of-clostridium-butyricum-cgmcc0313-1-reduces-ovalbumin-induced-allergic-airway-inflammation-in-mice
#6
Zhang Juan, Shi Zhao-Ling, Zeng Ming-Hua, Wei Chun, Wu Hai-Xia, Liu Meng-Yun, Huang Jian-Qiong, Zheng Yue-Jie, Sun Xin
BACKGROUND AND OBJECTIVE: Probiotic bacteria can induce immune regulation or immune tolerance in patients with allergic diseases, but the underlying mechanisms are still unclear. There has been a growing interest in the use of beneficial bacteria for allergic diseases recently. This study aimed at exploring whether Clostridium butyricum CGMCC0313-1 (C. butyricum) can reduce ovalbumin (OVA)-induced allergic airway inflammation in a mouse model. METHODS: Mouse model of allergic airway inflammation induced via OVA was used in this study...
January 25, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28117653/innate-immune-cytokines-fibroblast-phenotypes-and-regulation-of-extracellular-matrix-in-lung
#7
Carl D Richards
Chronic inflammation can be caused by adaptive immune responses in autoimmune and allergic conditions, driven by a T lymphocyte subset balance (TH1, TH2, Th17, Th22, and/or Treg) and skewed cellular profiles in an antigen-specific manner. However, several chronic inflammatory diseases have no clearly defined adaptive immune mechanisms that drive chronicity. These conditions include those that affect the lung such as nonatopic asthma or idiopathic pulmonary fibrosis comprising significant health problems. The remodeling of extracellular matrix (ECM) causes organ dysfunction, and it is largely generated by fibroblasts as the major cell controlling net ECM...
February 2017: Journal of Interferon & Cytokine Research
https://www.readbyqxmd.com/read/28114970/culture-supernatant-of-adipose-stem-cells-can-ameliorate-allergic-airway-inflammation-via-recruitment-of-cd4-cd25-foxp3-t-cells
#8
Hak Sun Yu, Mi-Kyung Park, Shin Ae Kang, Kyu-Sup Cho, Sue Jean Mun, Hwan-Jung Roh
BACKGROUND: In a previous study, we demonstrated that intravenous administration of adipose tissue stem cells (ASCs) could significantly reduce allergic symptoms and suppress eosinophilic inflammation. METHODS: To evaluate the secretome of ASCs, we administrated culture supernatant of ASCs (ASC sup, which contains the ASC secretome) and uncultured fresh medium (con sup) into a mouse model of allergic airway inflammation. Subsequently we observed the mice for signs of inflammation and investigated Th1-, Th2-, and Treg-related cytokine levels as well as recruitment of Treg cells into the airway...
January 23, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28094276/b7-h3-participates-in-the-development-of-asthma-by-augmentation-of-the-inflammatory-response-independent-of-tlr2-pathway
#9
Wenjing Gu, Xinxing Zhang, Yongdong Yan, Yuqing Wang, Li Huang, Meijuan Wang, Xuejun Shao, Zhengrong Chen, Wei Ji
B7-H3, a new member of the B7 superfamily, acts as both a T cell costimulator and coinhibitor. Recent studies identified B7-H3 plays a critical role in the development of asthma. But the definitive mechanism is not clear. In this study, we further report that B7-H3 participates in the development of OVA-induced asthma in a murine model. And study its mechanism through the vitro and vivo experiment. Exogenous administration of B7-H3 strongly amplified the inflammatory response and augmented proinflammatory cytokines in vitro and vivo...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28092864/augmentation-of-humoral-and-cellular-immunity-in-response-to-tetanus-and-diphtheria-toxoids-by-supercritical-carbon-dioxide-extracts-of-hippophae-rhamnoides-l-leaves
#10
Bindhya Jayashankar, Divya Singh, Himanshi Tanwar, K P Mishra, Swetha Murthy, Sudipta Chanda, Jigni Mishra, R Tulswani, K Misra, S B Singh, Lilly Ganju
Hippophae rhamnoides L. commonly known as Seabuckthorn (SBT), a wild shrub of family Elaegnacea, has extensively used for treating various ailments like skin diseases, jaundice, asthma, lung troubles. SBT leaves have been reported to possess several pharmacological properties including immunomodulatory, antioxidant, anti-inflammatory, antimicrobial and tissue regeneration etc. The present study was undertaken to evaluate the adjuvant property of supercritical carbon dioxide extracts (SCEs 300ET and 350ET) of SBT leaves in balb/c mice immunized with Tetanus and Diphtheria toxoids...
January 13, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28092612/evaluation-of-serum-cytokine-levels-in-recurrent-airway-obstruction
#11
A Niedźwiedź, H Borowicz, K Kubiak, J Nicpoń, P Skrzypczak, Z Jaworski, M Cegielski, J Nicpoń
Recurrent airway obstruction (RAO) represents a serious health problem and is traditionally classified as an allergic disease, where contact with an antigen can induce clinical airway inflammation, bronchial hyper-responsiveness and reversible airway obstruction. Previous studies have demonstrated the presence of the Th2 response in the lungs of human patients with asthma and horses with heaves. These cells are involved in the production of cytokines which regulate the synthesis of immunoglobulins. 40 horses were evaluated: 30 horses with RAO and 10 healthy animals...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28087917/-reasearch-progress-on-the-role-of-neutrophils-in-asthma
#12
Tingting Li, Yuehai Ke, Hongqiang Cheng
Asthma is a phenotypically heterogeneous chronic disease of the airways. Studies have found that neutrophils are crucial to airway inflammation in acute asthma, persistent asthma, particularly in asthma of poor response to glucocorticoid treatment. The role of neutrophils in development of bronchial asthma is complex, as they can release a potent source of cytokines and inflammatory mediators participating in asthma. Differing from eosinophilic inflammatory asthma, neutrophilic inflammatory asthma is not depend on helper T (Th)2 cells, but may be related to Th1 and Th17 cells...
May 25, 2016: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/28063403/lat-alleviates-th2-treg-imbalance-in-an-ova-induced-allergic-asthma-mouse-model-through-lat-plc-%C3%AE-1-interaction
#13
Xi Chen, Xiao-Ming Li, Wen Gu, Di Wang, Yi Chen, Xue-Jun Guo
INTRODUCTION: Low expression of linker for activation of T cells (LAT) is observed in asthma. LAT and its downstream regulator, phospholipase C-gamma 1 (PLC-γ1) play important roles in the T cell antigen receptor signaling pathway, and their interaction is associated with CD4(+) cell polarization. Here, we investigated whether LAT can alleviate the imbalance among CD4(+) cell subgroups and the possible mechanism. METHODS: An ovalbumin-induced allergic asthma mouse model was established and LAT plasmid was delivered...
January 4, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28045458/bacteria-isolated-from-lung-modulate-asthma-susceptibility-in-mice
#14
Aude Remot, Delphyne Descamps, Marie-Louise Noordine, Abdelhak Boukadiri, Elliot Mathieu, Véronique Robert, Sabine Riffault, Bart Lambrecht, Philippe Langella, Hamida Hammad, Muriel Thomas
Asthma is a chronic, non-curable, multifactorial disease with increasing incidence in industrial countries. This study evaluates the direct contribution of lung microbial components in allergic asthma in mice. Germ-Free and Specific-Pathogen-Free mice display similar susceptibilities to House Dust Mice-induced allergic asthma, indicating that the absence of bacteria confers no protection or increased risk to aeroallergens. In early life, allergic asthma changes the pattern of lung microbiota, and lung bacteria reciprocally modulate aeroallergen responsiveness...
January 3, 2017: ISME Journal
https://www.readbyqxmd.com/read/27986411/interleukin-16-and-ccl17-thymus-and-activation-regulated-chemokine-in-patients-with-aspirin-exacerbated-respiratory-disease
#15
Luis Manuel Teran, Fernando Ramirez-Jimenez, Gabriela Soid-Raggi, Juan Raymundo Velazquez
BACKGROUND: Interleukin (IL) 16 and thymus and activation-regulated cytokine (TARC) are chemoattractant cytokines for eosinophils and TH2 cells. Differential levels of these components in aspirin-exacerbated respiratory disease (AERD) and allergic rhinitis with asthma (ARwA) may be related to a different inflammatory response in both asthma phenotypes. OBJECTIVE: To assess the nasal lavage immunoreactivity of IL-16 and TARC cytokines. METHODS: We used multienzyme-linked immunosorbent assays to detect IL-5, IL-13, IL-16, IL-33, I-309/CCL1, TARC/CCL17, monocyte-derived chemokine/CCL22, periostin, and eosinophil cationic protein levels in nasal lavages from patients with AERD and patients with ARwA...
December 13, 2016: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/27984001/psoriatic-inflammation-enhances-allergic-airway-inflammation-through-il-23-stat3-signaling-in-a-murine-model
#16
Ahmed Nadeem, Naif O Al-Harbi, Mushtaq A Ansari, Mohammed M Al-Harbi, Ahmed M El-Sherbeeny, Khairy M A Zoheir, Sabry M Attia, Mohamed M Hafez, Othman A Al-Shabanah, Sheikh F Ahmad
Psoriasis is an autoimmune inflammatory skin disease characterized by activated IL-23/STAT3/Th17 axis. Recently psoriatic inflammation has been shown to be associated with asthma. However, no study has previously explored how psoriatic inflammation affects airway inflammation. Therefore, this study investigated the effect of imiquimod (IMQ)-induced psoriatic inflammation on cockroach extract (CE)-induced airway inflammation in murine models. Mice were subjected to topical and intranasal administration of IMQ and CE to develop psoriatic and airway inflammation respectively...
January 15, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/27956356/a-standardized-methanol-extract-of-eclipta-prostrata-l-l-asteraceae-reduces-bronchial-hyperresponsiveness-and-production-of-th2-cytokines-in-a-murine-model-of-asthma
#17
Lucas Junqueira de Freitas Morel, Bruna Cestari de Azevedo, Fábio Carmona, Silvia Helena Taleb Contini, Aristônio Magalhães Teles, Fernando Silva Ramalho, Bianca Waléria Bertoni, Suzelei de Castro França, Marcos de Carvalho Borges, Ana Maria Soares Pereira
ETHNOPHARMACOLOGICAL RELEVANCE: Eclipta prostrata (L.) L. (Asteraceae) has been used in Brazilian traditional medicine to treat asthma and other respiratory illnesses. AIMS OF THE STUDY: To investigate the effects of different doses of a standardized extract of E. prostrata using a murine model of allergen induced asthma. MATERIALS AND METHODS: Balb/c mice were sensitized twice with ovalbumin (OVA) administered intraperitoneally and challenged over four alternate days with nasal instillations of OVA solution...
December 9, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27939889/trigonella-foenum-graecum-alleviates-airway-inflammation-of-allergic-asthma-in-ovalbumin-induced-mouse-model
#18
Chun Hua Piao, Thi Tho Bui, Chang Ho Song, Hee Soon Shin, Dong-Hwa Shon, Ok Hee Chai
Trigonella foenum-graecum, a member oldest medicinal plant in the fabaceae (legumes) family, is used as a herb, spice, and vegetable, and known for its olfactory, laxative, and galactogogue effects. However, the inhibitory effect of Trigonella foenum-graecum on allergic inflammatory response remains unclear, therefore, we investigated the precise role of Trigonella foenum-graecum in the allergic asthma and revealed the effects of Trigonella foenum-graecum in regulating airway inflammation and its possible mechanism...
January 22, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27918476/antenatal-dexamethasone-exposure-in-preterm-infants-is-associated-with-allergic-diseases-and-the-mental-development-index-in-children
#19
Wan-Ning Tseng, Chih-Cheng Chen, Hong-Ren Yu, Li-Tung Huang, Ho-Chang Kuo
Background: Antenatal steroid administration may benefit fetal lung maturity in preterm infants. Although some studies have shown that this treatment may increase asthma in childhood, the correlation between antenatal dexamethasone exposure and allergic diseases remains unclear. The purpose of this study is to investigate the association between antenatal dexamethasone and T cell expression in childhood allergic diseases. Methods: We recruited a cohort of preterm infants born at Kaohsiung Chang Gung Memorial Hospital between 2007 and 2010 with a gestational age of less than 35 weeks and body weight at birth of less than 1500 g...
December 3, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27918221/neutrophilic-inflammation-in-asthma-mechanisms-and-therapeutic-considerations
#20
Hun Soo Chang, Tae-Hyeong Lee, Ji Ae Jun, Ae Rin Baek, Jong-Sook Park, So-My Koo, Yang-Ki Kim, Ho Sung Lee, Choon-Sik Park
Neutrophilic airway inflammation represents a pathologically distinct form of asthma and frequently appears in symptomatic adulthood asthmatics. However, clinical impacts and mechanisms of the neutrophilic inflammation have not been thoroughly evaluated up to date. Areas covered: Currently, distinct clinical manifestations, triggers, and molecular mechanisms of the neutrophilic inflammation (namely Toll-like receptor, Th1, Th17, inflammasome) are under investigation in asthma. Furthermore, possible role of the neutrophilic inflammation is being investigated in respect to the airway remodeling...
January 2017: Expert Review of Respiratory Medicine
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