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https://www.readbyqxmd.com/read/28239908/pathogenicity-of-conidiobolus-coronatus-and-fusarium-solani-in-mouse-models
#1
Yadi Li, Xiangang Fang, Xiaoqian Zhou, Suying Geng, Yuxin Wang, Xiumin Yang
To study the pathogenicity of Conidiobolus coronatus (C. coronatus) and Fusarium solani (F. solani) in animal models. Immunocompromised mice were treated with cyclophosphamide and prednisolone via intraperitoneal injection before and after inoculation. According to pathogenic characteristics of different fungi, C. coronatus was used to infect mice via intravenous inoculation, intraperitoneal inoculation, gastrointestinal infusion and intradermal inoculation methods. And F. solani was used to infect mice by inoculation via the abraded or normal skin...
February 27, 2017: Mycoses
https://www.readbyqxmd.com/read/28238806/rat-acute-gvhd-is-th1-driven-and-characterized-by-predominant-donor-cd4-t-cell-infiltration-of-skin-and-gut
#2
Margherita Boieri, Pranali Shah, Dasaradha Jalapothu, Olena Zaitseva, Lutz Walter, Bent Rolstad, Christian Naper, Ralf Dressel, Marit Inngjerdingen
Acute graft-versus-host disease (aGvHD) remains a significant hurdle to successful treatment of many hematological disorders. The disease is caused by infiltration of allo-activated donor T cells primarily into the gastrointestinal tract and skin. While cytotoxic T cells mediate direct cellular damage, T helper (Th) cells differentially secrete immunoregulatory cytokines. Acute GvHD is thought to be primarily initiated by Th1 cells but a consensus is still lacking regarding the role of Th2 and Th17 cells. The aim of this study was to determine the contribution of distinct T cell subsets to aGvHD in the rat...
February 23, 2017: Experimental Hematology
https://www.readbyqxmd.com/read/28229922/mandevilla-longiflora-desf-pichon-improves-airway-inflammation-in-a-murine-model-of-allergic-asthma
#3
Danielle Ayr Tavares de Almeida, Suellen Iara Guirra Rosa, Thais Campos Dias da Cruz, Eduarda Pavan, Amílcar Sabino Damazo, Ilsamar Mendes Soares, Sérgio Donizeti Ascêncio, Antonio Macho, Domingos Tabajara de Oliveira Martins
ETHNOPHARMACOLOGICAL RELEVANCE: Mandevilla longiflora, popularly known as "velame" in central Brazil, is a subshrub and widely distributed in South America. Its xylopodium is used in the form of a decoction or infusion to treat inflammation and other ailments. AIM OF THE STUDY: This study aimed to evaluate the anti-inflammatory potential of M. longiflora in an in vivo model of ovalbumin-induced immediate hypersensitivity, identifying its effects on leukocyte infiltration, IgE and LTB4 levels, and Th2 cytokine production...
February 13, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28228284/respiratory-syncytial-virus-infects-regulatory-b-cells-in-human-neonates-via-chemokine-receptor-cx3cr1-and-promotes-lung-disease-severity
#4
Dania Zhivaki, Sébastien Lemoine, Annick Lim, Ahsen Morva, Pierre-Olivier Vidalain, Liliane Schandene, Nicoletta Casartelli, Marie-Anne Rameix-Welti, Pierre-Louis Hervé, Edith Dériaud, Benoit Beitz, Maryline Ripaux-Lefevre, Jordi Miatello, Brigitte Lemercier, Valerie Lorin, Delphyne Descamps, Jenna Fix, Jean-François Eléouët, Sabine Riffault, Olivier Schwartz, Fabrice Porcheray, Françoise Mascart, Hugo Mouquet, Xiaoming Zhang, Pierre Tissières, Richard Lo-Man
Respiratory syncytial virus (RSV) is the major cause of lower respiratory tract infections in infants and is characterized by pulmonary infiltration of B cells in fatal cases. We analyzed the B cell compartment in human newborns and identified a population of neonatal regulatory B lymphocytes (nBreg cells) that produced interleukin 10 (IL-10) in response to RSV infection. The polyreactive B cell receptor of nBreg cells interacted with RSV protein F and induced upregulation of chemokine receptor CX3CR1. CX3CR1 interacted with RSV glycoprotein G, leading to nBreg cell infection and IL-10 production that dampened T helper 1 (Th1) cytokine production...
February 21, 2017: Immunity
https://www.readbyqxmd.com/read/28219838/natural-helper-cells-are-associated-with-the-exacerbated-airway-inflammation-seen-during-rsv-reinfection-of-neonatally-primed-mice
#5
Jianqi Wu, Haiyan Hu, Lei Xu, Feifei Qi, Song Bai, Yulin Cui, Ruonan Chai, Dandan Wang, Beixing Liu
Infection with respiratory syncytial virus (RSV) in neonatal mice causes more aggressive airway disease when the mice are reinfected with the same virus as adults. However, the underlying mechanisms responsible for this phenomenon are not entirely defined. Natural helper (NH) cells are considered a key factor for virus-induced or exacerbated airway inflammation and airway hyper-responsiveness by producing type 2 cytokines. To confirm whether NH cells are involved in the aggravated lung pathology seen during reinfection, BALB/c mice were initially infected as neonates and reinfected in adulthood...
February 16, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28216440/protective-effect-of-hwangryunhaedok-tang-water-extract-against-chronic-obstructive-pulmonary-disease-induced-by-cigarette-smoke-and-lipopolysaccharide-in-a-mouse-model
#6
Na-Rae Shin, Je-Won Ko, Sung-Hyeuk Park, Young-Kwon Cho, Sei-Ryang Oh, Kyung-Seob Ahn, Jung-Min Ryu, Jong-Choon Kim, Chang-Seob Seo, In-Sik Shin
ETHNOPHARMACOLOGICAL RELEVANCE: Hwangryunhaedok-tang is an oriental herbal formula treated to cure inflammation and gastric disorders in China, Japan, and Korea. We explored the protective effects of Hwangryunhaedok-tang water extract (HRWE) against airway pathophysiological changes caused by cigarette smoke (CS) and lipopolysaccharide (LPS) in a mouse. MATERIALS AND METHODS: We performed quantitative analyses of five marker components, namely geniposide, baicalin, coptisine, plamatine, and berberine, using high-performance liquid chromatography...
February 16, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28210569/infant-acute-myocarditis-mimicking-acute-myocardial-infarction
#7
Maher Jedidi, Samia Tilouche, Tasnim Masmoudi, Maha Sahnoun, Youssef Chkirbène, Sarra Mestiri, Lamia Boughamoura, Mohamed Ben Dhiab, Mohamed Kamel Souguir
Myocarditis is an inflammatory disease of the myocardium with heterogeneous clinical manifestations and progression. In clinical practice, although there are many methods of diagnosis of acute myocarditis, the diagnosis remains an embarrassing dilemma for clinicians. The authors report the case of 9-month-old infant who was brought to the Pediatric Emergency Department with sudden onset dyspnea. Examination disclosed heart failure and resuscitation was undertaken. The electrocardiogram showed an ST segment elevation in the anterolateral leads with a mirror image...
October 2016: Autopsy & case reports
https://www.readbyqxmd.com/read/28207938/comparison-of-clinical-and-pathological-features-of-lung-lesions-of-systemic-igg4-related-disease-and-idiopathic-multicentric-castleman-s-disease
#8
Yasuhiro Terasaki, Shinichro Ikushima, Shoko Matsui, Akira Hebisawa, Yasunori Ichimura, Shinyu Izumi, Masuo Ujita, Machiko Arita, Keisuke Tomii, Youko Komase, Isoko Owan, Tetsuji Kawamura, Yasuo Matsuzawa, Miho Murakami, Hiroshi Ishimoto, Hiroshi Kimura, Masashi Bando, Norihiro Nishimoto, Yoshinori Kawabata, Yuh Fukuda, Takashi Ogura
AIMS: The lung lesion (IgG4-L) of IgG4-related disease (IgG4-RD) is a condition that occurs together with IgG4-RD and often mimics the lung lesion (iMCD-L) of idiopathic multicentric Castleman's disease (iMCD). Because no clinical and pathological studies had previously compared features of these diseases, we undertook this comparison with clinical and histological data. METHODS AND RESULTS: Nine patients had IgG4-L (high levels of serum IgG4 and of IgG4(+) cells in lung specimens; typical extrapulmonary manifestations)...
February 16, 2017: Histopathology
https://www.readbyqxmd.com/read/28204830/monoclonal-antibody-against-toll-like-receptor%C3%A2-4-attenuates-ventilator-induced-lung-injury-in-rats-by-inhibiting-myd88-and-nf-%C3%AE%C2%BAb-dependent-signaling
#9
Cuiyuan Huang, Linghui Pan, Fei Lin, Huijun Dai, Ruili Fu
The mechanisms through which mechanical ventilation causes non-infectious inflammatory diseases and lung injury are poorly understood. Animals models of this type of injury suggest that it involves signaling mediated by Toll‑like receptor (TLR)4 and 9. In this study, in order to gain further insight into the involvement of TLR4 in this type of injury, we performed in vivo and in vitro experiments to determine the mechanisms through which TLR4 triggers inflammation. We also examined whether the use of TLR4 monoclonal antibody (mAb) can alleviate this type of injury...
March 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28203420/the-diagnostic-yield-and-complications-of-open-lung-biopsies-in-kidney-transplant-patients-with-pulmonary-disease
#10
Daniere Yurie Vieira Tomotani, Antônio Tonete Bafi, Eduardo Souza Pacheco, Tainá Veras de Sandes-Freitas, Laila Almeida Viana, Edgar Porto de Oliveira Pontes, Nikkei Tamura, Hélio Tedesco-Silva, Flavia Ribeiro Machado, Flávio Geraldo Rezende Freitas
BACKGROUND: The purpose of this study was to assess the efficacy of open lung biopsy (OLB) in determining the specific diagnosis and the related complications in patients with undiagnosed diffuse pulmonary infiltrates. METHODS: This single center, retrospective study included adult kidney transplant patients who underwent OLB. The patients had diffuse pulmonary infiltrates without definitive diagnoses and failed to respond to empiric antibiotic treatment. We analyzed the number of specific diagnoses, changes in treatment and the occurrence of complications in these patients...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28198994/interstitial-pneumonia-with-autoimmune-features-ipaf-and-radiological-findings-suggestive-of-lymphocytic-interstitial-pneumonia-lip-case-report
#11
Alicja Płóciniczak, Joanna Goździk-Spychalska, Halina Batura-Gabryel Batura-Gabryel
Interstitial pneumonia with autoimmune features (IPAF) is a term to describe individuals with both interstitial lung disease (ILD) and combinations of other clinical, serologic, and/or pulmonary morphologic features, which presumably originate from an underlying systemic autoimmune condition, but do not meet current rheumatologic criteria for a defined connective tissue disease (CTD). Predominantly, interstitial pneumonia arises in the course of an established CTD, but it is not so rare for the ILD to be the first, and possibly the one and only manifestation of a latent CTD...
2017: Adv Respir Med
https://www.readbyqxmd.com/read/28185985/activating-transcription-factor-3-represses-cigarette-smoke-induced-il6-and-il8-expression-via-suppressing-nf-%C3%AE%C2%BAb-activation
#12
Yan-Ping Wu, Chao Cao, Yin-Fang Wu, Miao Li, Tian-Wen Lai, Chen Zhu, Yong Wang, Song-Min Ying, Zhi-Hua Chen, Hua-Hao Shen, Wen Li
Airway and lung inflammation is a fundamental hallmark of chronic obstructive pulmonary disease (COPD). Activating transcription factor 3 (ATF3) has been reported to negatively regulate many pro-inflammatory cytokines and chemokines. However, little is known about the impact of ATF3 on the inflammatory response of COPD. Since cigarette smoke (CS) is considered to be the most important risk factor in the etiology of COPD, we attempted to investigate the effects and molecular mechanisms of ATF3 in CS-induced inflammation...
February 6, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28178212/anti-inflammatory-activity-of-sanghuangporus-sanghuang-mycelium
#13
Wang-Ching Lin, Jeng-Shyan Deng, Shyh-Shyun Huang, Sheng-Hua Wu, Chin-Chu Chen, Wan-Rong Lin, Hui-Yi Lin, Guan-Jhong Huang
Acute lung injury (ALI) is characterized by inflammation of the lung tissue and oxidative injury caused by excessive accumulation of reactive oxygen species. Studies have suggested that anti-inflammatory or antioxidant agents could be used for the treatment of ALI with a good outcome. Therefore, our study aimed to test whether the mycelium extract of Sanghuangporus sanghuang (SS-1), believed to exhibit antioxidant and anti-inflammatory properties, could be used against the excessive inflammatory response associated with lipopolysaccharides (LPS)-induced ALI in mice and to investigate its possible mechanism of action...
February 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28168322/radical-hypo-fractionated-radiotherapy-with-volumetric-modulated-arc-therapy-in-lung-cancer-a-retrospective-study-of-elderly-patients-with-stage%C3%A2-iii-disease
#14
D Franceschini, F De Rose, L Cozzi, P Navarria, E Clerici, C Franzese, T Comito, A Tozzi, C Iftode, G D'Agostino, M Sorsetti
BACKGROUND: This study aimed to analyse the feasibility and acute toxicity of radical hypo-fractionated radiotherapy (RT) for elderly patients with non-small-cell lung cancer (NSCLC). PATIENTS AND METHODS: We conducted a retrospective evaluation of treatment with volumetric modulated arc therapy (VMAT) of elderly patients affected by stage III inoperable NSCLC. The dose prescription was 56 Gy in 20 fractions, 55 Gy in 22 fractions, or 50 Gy in 20 fractions...
February 6, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28165814/targeting-delivery-of-simvastatin-using-icam-1-antibody-conjugated-nanostructured-lipid-carriers-for-acute-lung-injury-therapy
#15
Shu-Juan Li, Xiao-Juan Wang, Jing-Bo Hu, Xu-Qi Kang, Li Chen, Xiao-Ling Xu, Xiao-Ying Ying, Sai-Ping Jiang, Yong-Zhong Du
Acute lung injury (ALI) is a critical illness without effective therapeutic modalities currently. Recent studies indicated potential efficacy of statins for ALI, while high-dose statins was suggested to be significant for attenuating inflammation in vivo. Therefore, a lung-targeted drug delivery system (DDS) delivering simvastatin (SV) for ALI therapy was developed, attempting to improve the disease with a decreased dose and minimize potential adverse effects. SV-loaded nanostructured lipid carriers (SV/NLCs) with different size were prepared primarily...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28164782/types-a-and-b-niemann-pick-disease
#16
REVIEW
Edward H Schuchman, Robert J Desnick
The eponym Niemann-Pick disease (NPD) refers to a group of patients who present with varying degrees of lipid storage and foam cell infiltration in tissues, as well as overlapping clinical features including hepatosplenomegaly, pulmonary insufficiency and/or central nervous system (CNS) involvement. Due to the pioneering work of Roscoe Brady and co-workers, we now know that there are two distinct metabolic abnormalities that account for NPD. The first is due to the deficient activity of the enzyme acid sphingomyelinase (ASM; "types A & B" NPD), and the second is due to defective function in cholesterol transport ("type C" NPD)...
January 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28164246/immune-mediated-inflammation-in-the-pathogenesis-of-emphysema-insights-from-mouse-models
#17
REVIEW
John M Craig, Alan L Scott, Wayne Mitzner
The cellular mechanisms that result in the initiation and progression of emphysema are clearly complex. A growing body of human data combined with discoveries from mouse models utilizing cigarette smoke exposure or protease administration have improved our understanding of emphysema development by implicating specific cell types that may be important for the pathophysiology of chronic obstructive pulmonary disease. The most important aspects of emphysematous damage appear to be oxidative or protease stress and sustained macrophage activation and infiltration of other immune cells leading to epithelial damage and cell death...
February 6, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28161607/targeting-the-canonical-nuclear-factor-%C3%AE%C2%BAb-pathway-with-a-high-potency-ikk2-inhibitor-improves-outcomes-in-a-mouse-model-of-idiopathic-pneumonia-syndrome
#18
Kenneth A Fowler, Corey M Jania, Stephen L Tilley, Angela Panoskaltsis-Mortari, Albert S Baldwin, Jonathan S Serody, James M Coghill
Idiopathic pneumonia syndrome (IPS) is a noninfectious inflammatory disorder of the lungs that occurs most often after fully myeloablative allogeneic hematopoietic stem cell transplantation (HSCT). IPS can be severe and is associated with high 1-year mortality rates despite existing therapies. The canonical nuclear factor-(NF) κB signaling pathway has previously been linked to several inflammatory disorders of the lung, including asthma and lung allograft rejection. It has never been specifically targeted as a novel IPS treatment approach, however...
February 1, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28152514/high-pd-l1-expression-is-associated-with-stage-iv-disease-and-poorer-overall-survival-in-186-cases-of-small-cell-lung-cancers
#19
Yih-Leong Chang, Ching-Yao Yang, Yen-Lin Huang, Chen-Tu Wu, Pan-Chyr Yang
BACKGROUND: Small cell lung cancer (SCLC) is an aggressive malignancy with a distinct natural history and dismal prognosis. SCLC is characterized as a recalcitrant neoplasm with limited therapeutic options and platinum-based chemotherapy is the treatment of choice. Programmed cell death-ligand 1(PD-L1)-mediated immune escape may be a suitable target for specific therapy, but its role in SCLC is unclear. MATERIALS AND METHODS: In total, 186 SCLC cases were investigated...
February 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28150579/clinical-significance-of-the-radiological-severity-score-in-mycobacterium-avium-complex-lung-disease-patients
#20
K Furuuchi, A Ito, T Hashimoto, S Kumagai, T Ishida
<h2>SETTING:</h2><p>Practical methods for assessing the radiographic findings of Mycobacterium avium complex lung disease (MAC-LD) have not been established.</p><h2>OBJECTIVE:</h2><p>To identify a correlation between the radiological score and semi-quantitative culture results of respiratory samples, and to assess the prognostic impact of this radiological score in MAC-LD patients.</p><h2>DESIGN:</h2><p>We retrospectively studied 218 MAC-LD patients...
January 26, 2017: International Journal of Tuberculosis and Lung Disease
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