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Infiltrative lung disease

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https://www.readbyqxmd.com/read/29326364/inflammation-and-pd-l1-expression-in-pulmonary-neuroendocrine-tumors
#1
Atsuko Kasajima, Yuichi Ishikawa, Ayaka Iwata, Katja Steiger, Naomi Oka, Hirotaka Ishida, Akira Sakurada, Hiroyoshi Suzuki, Toru Kameya, Björn Konukiewitz, Gunter Kloppel, Yoshinori Okada, Hironobu Sasano, Wilko Weichert
In the light of novel cancer immune therapies, the status of antitumor inflammatory response and its regulation has gained much attention in patients with lung cancer. Ample datasets exist for non-small cell lung cancer, but those for pulmonary neuroendocrine tumors are scarce and controversial. Here, tumor-associated inflammation, CD8+ cell infiltration and PD-L1 status were evaluated in a cohort of 57 resected carcinoids and 185 resected neuroendocrine carcinomas of the lung (58 large cell carcinomas and 127 small cell carcinomas)...
January 11, 2018: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29325217/neutrophil-infiltration-to-the-brain-is-platelet-dependent-and-is-reversed-by-blockade-of-platelet-gpib%C3%AE
#2
James A Giles, Andrew D Greenhalgh, Adam Denes, Bernhard Nieswandt, Graham Coutts, Barry W McColl, Stuart M Allan
Neutrophils are key components of the innate immune response, providing host defence against infection and being recruited to non-microbial injury sites. Platelets act as a trigger for neutrophil extravasation to inflammatory sites but mechanisms and tissue-specific aspects of these interactions are currently unclear. Here, we use bacterial endotoxin in mice to trigger an innate inflammatory response in different tissues and measure neutrophil invasion with or without platelet reduction. We show that platelets are essential for neutrophil infiltration to the brain, peritoneum and skin, neutrophil numbers returning to basal levels in the peritoneum and skin and being decreased (~60%) in the brain when platelets are reduced...
January 11, 2018: Immunology
https://www.readbyqxmd.com/read/29325023/the-extending-spectrum-of-npc1-related-human-disorders-from-niemann-pick-c1-disease-to-obesity
#3
Amel Lamri, Marie Pigeyre, William S Garver, David Meyre
The Niemann-Pick C1 (NPC1) protein regulates the transport of cholesterol and fatty acids from late endosomes / lysosomes and has a central role in maintaining lipid homeostasis. NPC1 loss-of-function mutations in humans cause NPC1 disease, a rare autosomal-recessive lipid-storage disorder characterized by progressive and lethal neurodegeneration, liver and lung failure, due to cholesterol infiltration. In humans, genome wide association studies (GWAS) and post-GWAS reports highlight the implication of common variants in NPC1 in adult-onset obesity, body fat mass, and type 2 diabetes...
January 9, 2018: Endocrine Reviews
https://www.readbyqxmd.com/read/29322411/in-vivo-infection-model-of-severe-influenza-a-virus
#4
Ashley Mansell, Michelle D Tate
The lung is constantly exposed to both environmental and microbial challenge. As a "contained" organ, it also constitutes an excellent "self-contained" tissue to examine inflammatory responses and cellular infiltration into a diseased organ. Influenza A virus (IAV) causes both mild and severe inflammation that is strain specific following infection of the lung epithelium that spreads to other cells of the lung environment. Here, we describe a method of intranasal inoculation of the lung with IAV that can be used as a preclinical model of infection...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29321436/necrotizing-sarcoid-granulomatosis-with-natural-resolution-after-a-surgical-lung-biopsy
#5
Takayuki Shibata, Koichiro Takahashi, Masaru Uchida, Fumio Yamasaki, Michihiro Kawashima, Naoko Sueoka-Aragane
Necrotizing sarcoid granulomatosis (NSG) is a rare disease that is diagnosed based on pathological findings. We herein report the case of a 27-year-old man who had multiple nodular shadows in bilateral lung fields on chest radiography and elevated levels of C-reactive protein (CRP). The pathological evaluation of a lung biopsy specimen showed the infiltration of lymphocytes, granulomas with necrosis and granulomatous angiitis. He was therefore diagnosed with NSG. He has been followed without treatment, as his fever and CRP levels decreased immediately after the surgical lung biopsy...
January 11, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29320327/atypical-sites-of-deeply-infiltrative-endometriosis-clinical-characteristics-and-imaging-findings
#6
Luciana P Chamié, Duarte Miguel Ferreira Rodrigues Ribeiro, Dario A Tiferes, Augusto Cesar de Macedo Neto, Paulo C Serafini
Endometriosis is defined as the presence of endometrial tissue that is located outside the uterine cavity and associated with fibrosis and inflammatory reaction. It is a polymorphic and multifocal disease with no known cure or preventive mechanisms. Patients may be asymptomatic or may experience chronic pelvic pain, dysmenorrhea, dyspareunia, or infertility. The pelvic cavity is the most common location for endometriotic implants, which usually affect the retrocervical space, ovaries, vagina, rectosigmoid colon, bladder dome, and round ligaments...
January 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29305734/olipudase-alfa-for-treatment-of-acid-sphingomyelinase-deficiency-asmd-safety-and-efficacy-in-adults-treated-for-30-months
#7
Melissa P Wasserstein, George A Diaz, Robin H Lachmann, Marie-Hélène Jouvin, Indrani Nandy, Allena J Ji, Ana Cristina Puga
Olipudase alfa, a recombinant human acid sphingomyelinase (ASM), is an enzyme replacement therapy for the treatment of nonneurologic manifestations of acid sphingomyelinase deficiency (ASMD). This ongoing, open-label, long-term study (NCT02004704) assessed safety and efficacy of olipudase alfa following 30 months of treatment in five adult patients with ASMD. There were no deaths, serious or severe events, or discontinuations during 30 months of treatment. The majority of adverse events were mild and included headache, nausea, and abdominal pain...
January 5, 2018: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/29304131/soluble-guanylate-cyclase-stimulation-reduces-oxidative-stress-in-experimental-chronic-obstructive-pulmonary-disease
#8
Tanja Paul, Anna Salazar-Degracia, Victor I Peinado, Olga Tura-Ceide, Isabel Blanco, Esther Barreiro, Joan A Barberà
OBJECTIVE: Soluble guanylate cyclase (sGC) is a key enzyme of the nitric oxide-cyclic guanosine 3',5'-monophosphate (NO-cGMP) signaling pathway, and its pharmacological stimulation has been shown to prevent the development of emphysema and pulmonary vascular remodeling in animal models of chronic obstructive pulmonary disease (COPD). The aim of this study was to evaluate the effects of sGC stimulation on oxidative stress in the plasma of guinea pigs chronically exposed to cigarette smoke (CS)...
2018: PloS One
https://www.readbyqxmd.com/read/29297205/cyclophosphamide-for-connective-tissue-disease-associated-interstitial-lung-disease
#9
REVIEW
Hayley Barnes, Anne E Holland, Glen P Westall, Nicole Sl Goh, Ian N Glaspole
BACKGROUND: Approximately one-third of individuals with interstitial lung disease (ILD) have associated connective tissue disease (CTD). The connective tissue disorders most commonly associated with ILD include scleroderma/systemic sclerosis (SSc), rheumatoid arthritis, polymyositis/dermatomyositis, and Sjögren's syndrome. Although many people with CTD-ILD do not develop progressive lung disease, a significant proportion do progress, leading to reduced physical function, decreased quality of life, and death...
January 3, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29279787/acute-chest-syndrome-in-children-with-sickle-cell-disease
#10
REVIEW
Shilpa Jain, Nitya Bakshi, Lakshmanan Krishnamurti
Acute chest syndrome (ACS) is a frequent cause of acute lung disease in children with sickle cell disease (SCD). Patients may present with ACS or may develop this complication during the course of a hospitalization for acute vaso-occlusive crises (VOC). ACS is associated with prolonged hospitalization, increased risk of respiratory failure, and the potential for developing chronic lung disease. ACS in SCD is defined as the presence of fever and/or new respiratory symptoms accompanied by the presence of a new pulmonary infiltrate on chest X-ray...
December 1, 2017: Pediatric Allergy, Immunology, and Pulmonology
https://www.readbyqxmd.com/read/29278941/characteristics-of-lower-airway-inflammatory-changes-in-the-minimal-persistent-inflammation-of-allergic-rhinitis-in-mice
#11
Jie Xu, Li Gao, Hongbing Yao, Rong Zhang, Na Liu, Lijia Wang, Enmei Liu, Jihong Dai, Zhou Fu
OBJECTIVE: This study aims to establish an experimental mouse model of minimal persistent inflammation (MPI), observe the features of inflammation and hyper-responsiveness of the upper/lower airways, and explore the relationship between inflammation and hyper-responsiveness in the upper/lower airways. METHODS: Sixty-four female BALB/c mice were randomly divided into four groups: allergic rhinitis (AR) group as positive control, MPI group, negative control group and blank control group...
December 26, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/29277461/intra-cranial-granulomatous-disease-in-common-variable-immunodeficiency-case-series-and-review-of-the-literature
#12
REVIEW
Catherine E Najem, Jason Springer, Richard Prayson, Daniel A Culver, James Fernandez, Jinny Tavee, Rula A Hajj-Ali
BACKGROUND/PURPOSE: Common variable immunodeficiency (CVID) is typically characterized by hypogammaglobulinemia and often but not always recurrent infections. Paradoxically, 8-22% of patients with CVID develop granulomatous disease. Granulomata have been described in many organs including the lungs, skin, liver, spleen, kidneys, eyes, lymph nodes, and intestines. Data about central nervous system (CNS) involvement in CVID are extremely rare. We aim to describe a case series and include an extensive literature review of CNS involvement in CVID to understand the different features and patterns of the disease...
October 20, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/29261008/the-medicinal-mushroom-grifola-gargal-ameliorates-allergic-bronchial-asthma
#13
Etsuko Harada, Corina N D'Alessandro-Gabazza, Masaaki Toda, Toshihiro Morizono, Toshiaki Totoki, Taro Yasuma, Kota Nishihama, Tetsu Kobayashi, Toshimitsu Sumiya, Hirokazu Kawagishi, Esteban C Gabazza
Grifola gargal Singer, a medicinal mushroom, has been found to be effective for the prevention and treatment of various chronic inflammatory diseases. However, the effects of G. gargal on allergic diseases are unknown. The present study investigated the effect of G. gargal extract on allergic bronchial asthma. Asthma was induced in mice by ovalbumin sensitization and inhalation. The grade of asthma was compared between mice fed with chow containing G. gargal extract and mice given standard chow. The human mast cell and eosinophilic cell lines were used for in vitro studies...
December 20, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29260748/-necrotizing-sarcoid-granulomatosis-with-clinical-presentations-of-recurrent-acute-abdomen-case-report-and-literature-review
#14
V I Vasilyev, S G Palshina, B D Chaltsev, S G Radenska-Lopovok, T N Safonova
The authors have described the world's first case of necrotizing sarcoid granulomatosis (NSG) in a 22-year-old woman with the clinical presentations of acute abdomen, which are associated with abdominal lymph nodal infiltration and necrosis, obvious constitutional disturbances (fever, nocturnal sweats, and significant weight loss), high inflammatory activity (anemia, leukocytosis, high erythrocyte sedimentation rates and C-reactive protein levels), the gradual appearance of splenic and hepatic necrotic foci, and infiltration into the lung and lacrimal glands with the development of unilateral uveitis...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/29245357/igg4-related-lung-disease-presenting-as-interstitial-lung-disease-with-bronchiolitis-a-case-report
#15
Chiu-Fan Chen, Kuo-An Chu, Yen-Chiang Tseng, Chang-Che Wu, Ruay-Sheng Lai
RATIONALE: IgG4-related disease is a rare and novel disease entity that tends to involve multiple organs. The pulmonary manifestation of this disease is highly variable and may mimic lung cancer, pneumonia, interstitial lung disease (ILD), sarcoidosis, and so forth. Small airway disease is rarely reported in IgG4-related lung disease (IgG4-RLD). In the current study, we describe a rare case of IgG4-RLD with patterns of ILD and bronchiolitis. PATIENT CONCERN: A 43-year-old man had chronic cough and dyspnea on exertion for 4 years...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29245072/phloretin-attenuates-mucus-hypersecretion-and-airway-inflammation-induced-by-cigarette-smoke
#16
Hao Wang, Ting Yang, Tao Wang, Nanya Hao, Yongchun Shen, Yanqiu Wu, Zhicheng Yuan, Lei Chen, Fuqiang Wen
BACKGROUNDS: Cigarette smoke (CS)-induced airway mucus hypersecretion and inflammation are the prominent features of chronic obstructive pulmonary disease (COPD). As an anti-inflammatory flavonoid, phloretin was found to be involved in various inflammatory disorders such as sepsis. In this study, the effects of phloretin on CS-induced airway mucin secretion and inflammation were investigated in vivo and in vitro. METHODS: Phloretin dissolved in 1% DMSO was daily injected intraperitoneally to mice, which were then exposed to CS for four weeks...
December 12, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29241546/neutrophils-and-snail-orchestrate-the-establishment-of-a-pro-tumor-microenvironment-in-lung-cancer
#17
Julien Faget, Svenja Groeneveld, Gael Boivin, Martial Sankar, Nadine Zangger, Miguel Garcia, Nicolas Guex, Inti Zlobec, Loïc Steiner, Alessandra Piersigilli, Ioannis Xenarios, Etienne Meylan
Understanding the immune compartment of tumors facilitates the development of revolutionary new therapies. We used a Kras(G12D)-driven mouse model of lung cancer to establish an immune signature and identified a contribution of Gr1+ neutrophils to disease progression. Depletion experiments showed that Gr1+ cells (1) favor tumor growth, (2) reduce T cell homing and prevent successful anti-PD1 immunotherapy, and (3) alter angiogenesis, leading to hypoxia and sustained Snail expression in lung cancer cells. In turn, Snail accelerated disease progression and increased intratumoral Cxcl2 secretion and neutrophil infiltration...
December 12, 2017: Cell Reports
https://www.readbyqxmd.com/read/29238163/the-coexpression-of-multi-immune-inhibitory-receptors-on-t-lymphocytes-in-primary-non-small-cell-lung-cancer
#18
REVIEW
Wenjie Guo, Sihan Liu, Xiaoli Zhang, Yating Chen, Ruolan Qian, Ziyuan Zou, Xin Chen, Peng Luo
Non-small-cell lung cancer (NSCLC) is a common disease threatening the health of humankind. It has a low survival rate and a poor prognosis. Under normal circumstances, tumor infiltrating lymphocytes (TILs) play the main role in the antitumor process, but studies in recent years have found that NSCLC is capable of releasing various immunosuppressive factors, inducing the TILs to exhibit high expression of immune inhibitory receptors and relevant immunosuppressive factors. They can not only activate their own signal pathways but also block those of TILs, which causes inefficiency of tumor destruction...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29233790/preclinical-evidence-for-combined-use-of-aromatase-inhibitors-and-nsaids-as-preventive-agents-of-tobacco-induced-lung-cancer
#19
Laura P Stabile, Mariya Farooqui, Beatriz Kanterewicz, Shira Abberbock, Brenda F Kurland, Brenda Diergaarde, Jill M Siegfried
INTRODUCTION: A hormonal role in non-small cell lung cancer (NSCLC) development is well documented. We previously showed that the aromatase inhibitor (AI) anastrozole decreased the development of tobacco carcinogen-induced lung tumors in a murine lung cancer prevention model and that aromatase and estrogen receptor (ER) were expressed in pulmonary inflammatory cells. METHODS: We utilized a tobacco carcinogen-induced lung tumor mouse model [4-(methylnitrosoamino)-1-(3-pyridyl)-1-butanone (NNK)] to determine whether an AI combined with non-steroidal anti-inflammatory drugs (NSAIDs) results in greater lung tumor prevention effects than single agent treatment...
December 9, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/29229098/pulmonary-veno-occlusive-disease-an-important-consideration-in-patients-with-pulmonary-hypertension
#20
REVIEW
Ryan Balko, Hawa Edriss, Kenneth Nugent, Victor Test
Pulmonary veno-occlusive disease is a rare subcategory of pulmonary arterial hypertension (WHO Group 1). The disease is poorly understood and difficult to diagnose; it has no definitive cure to date. These patients present with nonspecific symptoms, including dyspnea, exercise intolerance, and weakness. Chest x-rays sometimes differ from idiopathic pulmonary arterial hypertension and may demonstrate alveolar infiltrates and pleural effusions. High resolution computed tomography scans reveal ground glass opacities, interlobular septal thickening, and lymphadenopathy...
November 2017: Respiratory Medicine
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