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Infiltrative lung disease

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https://www.readbyqxmd.com/read/28430133/nuclear-molecular-imaging-strategies-in-immune-checkpoint-inhibitor-therapy
#1
REVIEW
Kasper F Guldbrandsen, Helle W Hendel, Seppo W Langer, Barbara M Fischer
Immune checkpoint inhibitor therapy (ICT) is a new treatment strategy developed for the treatment of cancer. ICT inhibits pathways known to downregulate the innate immune response to cancer cells. These drugs have been shown to be effective in the treatment of a variety of cancers, including metastatic melanoma and lung cancer. Challenges in response evaluation of patients in ICT have risen as immune related side effects and immune cell infiltration may be confused with progressive disease. Furthermore, the timing of the evaluation scan may be challenged by relatively slow responses...
April 21, 2017: Diagnostics
https://www.readbyqxmd.com/read/28428003/rac1-signaling-regulates-cigarette-smoke-induced-inflammation-in-the-lung-via-the-erk1-2-mapk-and-stat3-pathways
#2
Jun-Xia Jiang, Shui-Juan Zhang, Hui-Juan Shen, Yan Guan, Qi Liu, Wei Zhao, Yong-Liang Jia, Jian Shen, Xiao-Feng Yan, Qiang-Min Xie
Cigarette smoke (CS) is a major risk factor for the development of chronic obstructive pulmonary disease (COPD). Our previous studies have indicated that Rac1 is involved in lipopolysaccharide-induced pulmonary injury and CS-mediated epithelial-mesenchymal transition. However, the contribution of Rac1 activity to CS-induced lung inflammation remains not fully clear. In this study, we investigated the regulation of Rac1 in CS-induced pulmonary inflammation. Mice or 16HBE cells were exposed to CS or cigarette smoke extract (CSE) to induce acute inflammation...
April 17, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28427555/impact-of-cavity-and-infiltration-on-pulmonary-function-and-health-related-quality-of-life-in-pulmonary-mycobacterium-avium-complex-disease-a-3-dimensional-computed-tomographic-analysis
#3
Takanori Asakura, Yoshitake Yamada, Ho Namkoong, Shoji Suzuki, Yuki Niijima, Hirofumi Kamata, Yohei Funatsu, Kazuma Yagi, Satoshi Okamori, Hiroaki Sugiura, Makoto Ishii, Masahiro Jinzaki, Tomoko Betsuyaku, Naoki Hasegawa
BACKGROUND AND OBJECTIVES: Pulmonary Mycobacterium avium complex (pMAC) disease manifests as various types of lesions, such as infiltrates, nodules, cavities, and bronchiectasis. However, the important determinants for clinical parameters in lung involvement are poorly understood. The objective of this study was to obtain quantitative parameters by 3-dimensional CT, and investigate the relationship between these parameters and the pulmonary function tests (PFTs) and health-related quality of life...
May 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28423973/neurological-involvement-of-igg4-related-disease-description-of-a-case-and-review-of-the-literature
#4
Marco Varrassi, Camilla Gianneramo, Francesco Arrigoni, Paolo Cerrone, Patrizia Sucapane, Carmine Marini, Alessandra Splendiani
IgG4-related disease is a recently discovered pathological entity, histologically characterised by fibrosis and IgG4-positive plasma cell infiltration. This condition may virtually involve every site of the organism, with a various range of clinical presentations. The most commonly affected organ is the pancreatic gland, but it can also involve the biliary tract, salivary and lacrimal glands, kidneys, orbital tissues, lymph nodes, lungs and many others. More recently, IgG4-related disease has been demonstrated to involve, in rare cases, also the central nervous system, with a pattern mainly characterised by hypertrophic pachymeningitis...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28417574/light-emitting-diode-treatment-ameliorates-allergic-lung-inflammation-in-experimental-model-of-asthma-induced-by-ovalbumin
#5
Vanessa Perosino Cardoso Siqueira, Marina Izadora Silveira Evangelista, Alana Dos Santos, Rodrigo Labat Marcos, Ana Paula Ligeiro-de-Oliveira, Christiane Pavani, Amílcar Sabino Damazo, Adriana Lino-Dos-Santos-Franco
Since asthma is a multifactorial disease where treatment sometimes is not effective, new therapies that improve the respiratory discomfort of patients are of great importance. Phototherapy as Light-emitting diode (LED) has emerged as a treatment that presents good results for diseases that are characterized by inflammation. Thus, our objective was to investigate the effects of LED on lung inflammation, by an evaluation of lung cell infiltration, mucus secretion, oedema, and the production of cytokines. Male Balb/c mice were or not sensitized and challenged with ovalbumin (OVA) and treated or not with LED therapy (1 h and 4 h after each OVA challenge)...
April 18, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28413505/rare-scar-sarcoidosis-a-case-report
#6
Sha Zhao, Qin Wang, Beibei Cheng, Xiao-Fang Zhu
A 70-year-old female patient presenting with swelling and subcutaneous nodule formation localized to the knee scars over a two-month period is presently reported. Dermatological examinations found erythematous swelling and small papules on the patient's knee scars, along with subcutaneous nodules beneath and around the scars. Computer tomography of the chest region identified multiple obscure tubercles in the lungs and swollen lymph nodes in the hilum pulmonis and mediastinum. Skin biopsy revealed multiple non-caseating granulomas, which had infiltrated the dermis...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28410589/lung-involvement-in-childhood-onset-granulomatosis-with-polyangiitis
#7
REVIEW
Giovanni Filocamo, Sofia Torreggiani, Carlo Agostoni, Susanna Esposito
Granulomatosis with polyangiitis is an ANCA-associated systemic vasculitis with a low incidence in the pediatric population. Lung involvement is a common manifestation in children affected by granulomatosis with polyangiitis, both at disease's onset and during flares. Its severity is variable, ranging from asymptomatic pulmonary lesions to dramatic life-threatening clinical presentations such as diffuse alveolar haemorrhage. Several radiologic findings have been described, but the most frequent abnormalities detected are nodular lesions and fixed infiltrates...
April 14, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28407039/tumor-immune-microenvironment-and-nivolumab-efficacy-in-egfr-mutation-positive-non-small-cell-lung-cancer-based-on-t790m-status-after-disease-progression-during-egfr-tki-treatment
#8
K Haratani, H Hayashi, T Tanaka, H Kaneda, Y Togashi, K Sakai, K Hayashi, S Tomida, Y Chiba, K Yonesaka, Y Nonagase, T Takahama, J Tanizaki, K Tanaka, T Yoshida, K Tanimura, M Takeda, H Yoshioka, T Ishida, T Mitsudomi, K Nishio, K Nakagawa
Background.: The efficacy of programmed death-1 (PD-1) blockade in epidermal growth factor receptor gene ( EGFR ) mutation-positive non-small cell lung cancer (NSCLC) patients with different mechanisms of acquired resistance to EGFR tyrosine kinase inhibitors (TKIs) is unknown. We retrospectively evaluated nivolumab efficacy and immune-related factors in such patients according to their status for the T790M resistance mutation of EGFR . Patients and Methods.: We identified 25 patients with EGFR mutation-positive NSCLC who were treated with nivolumab after disease progression during EGFR-TKI treatment (cohort A)...
April 12, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28401875/-tumors-of-unknown-origin-case-report
#9
Arni Jon Geirsson, Sigridur Thordis Valtysdottir, Andres Sigvaldason, Margret Sigurdardottir
IgG4 related disease is a recently recognized chronic fibrotic, inflammatory condition, caused by infiltrating IgG4 positive plasma cells that can cause tumor like disease in almost any organ in the body. Typical histopathology is lymphoplasmocytic infiltration of IgG4 positive cells, storiform fibrosis and obliterative phlebitis. Glucocorticoids alone or in combination with B-cell depletion with rituximab causes often good, lasting response. We present here a lady with recurrent lung infiltration that simulated pneumonia and later tumor of the lung...
April 2017: Læknablađiđ
https://www.readbyqxmd.com/read/28400838/hemohim-a-herbal-preparation-alleviates-airway-inflammation-caused-by-cigarette-smoke-and-lipopolysaccharide
#10
Na-Rae Shin, Sung-Ho Kim, Je-Won Ko, Sung-Hyeuk Park, In-Chul Lee, Jung-Min Ryu, Jong-Choon Kim, In-Sik Shin
HemoHIM, herbal preparation has designed for immune system recovery. We investigated the anti-inflammatory effect of HemoHIM on cigarette smoke (CS) and lipopolysaccharide (LPS) induced chronic obstructive pulmonary disease (COPD) mouse model. To induce COPD, C57BL/6 mice were exposed to CS for 1 h per day (eight cigarettes per day) for 4 weeks and intranasally received LPS on day 26. HemoHIM was administrated to mice at a dose of 50 or 100 mg/kg 1h before CS exposure. HemoHIM reduced the inflammatory cell count and levels of tumor necrosis factor receptor (TNF)-α, interleukin (IL)-6 and IL-1β in the broncho-alveolar lavage fluid (BALF) induced by CS+LPS exposure...
March 2017: Laboratory Animal Research
https://www.readbyqxmd.com/read/28397820/bitter-taste-receptor-agonists-mitigate-features-of-allergic-asthma-in-mice
#11
Pawan Sharma, Roslyn Yi, Ajay P Nayak, Nadan Wang, Francesca Tang, Morgan J Knight, Shi Pan, Brian Oliver, Deepak A Deshpande
Asthma is characterized by airway inflammation, mucus secretion, remodeling and hyperresponsiveness (AHR). Recent research has established the bronchodilatory effect of bitter taste receptor (TAS2R) agonists in various models. Comprehensive pre-clinical studies aimed at establishing effectiveness of TAS2R agonists in disease models are lacking. Here we aimed to determine the effect of TAS2R agonists on features of asthma. Further, we elucidated a mechanism by which TAS2R agonists mitigate features of asthma...
April 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28391557/cutaneous-basal-cell-carcinoma-with-distant-metastasis-to-thorax-and-bone-a-clinicopathological-and-immunohistochemical-study-of-15-cases
#12
Annikka Weissferdt, Neda Kalhor, Cesar A Moran
Basal cell carcinoma (BCC) is the most common cutaneous malignancy and is characterized by a high cure rate after local excision. Metastatic BCC (mBCC) is an exceedingly rare event, associated with poor prognosis. We report clinicopathological and immunohistochemical features of 15 mBCC metastatic to the thorax and bone. The patients were 14 males and one female with a mean age at diagnosis of cutaneous BCC of 53 years and at metastasis of 64 years. Primary BCC were primarily located in the head and neck or torso and microscopically included five nodular, three basosquamous, three mixed, and one each of superficial, infiltrative, micronodular, and morpheaform types...
April 8, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28383627/hypersensitivity-pneumonitis-and-alpha-chemokines
#13
F Limongi, P Fallahi
Hypersensitivity pneumonitis (HP) is categorized as a Type-1 helper (Th1) disease. The resulting granuloma formation is dependent on T cells and the Th1 cytokine interferon (IFN)-γ. In experimental setting, the production of IFN-γ-induced protein 10 (IP-10), monokine induced by IFN-γ (MIG), IFN-inducible T-cell-alpha chemoattractant (I-TAC), has been shown (in mice exposed to the particulate antigens that cause HP) during the development of HP. The production of these chemokines was associated with an influx of chemokine (C-X-C motif) receptor (CXCR)3 CXCR3(+)/CD4(+) T cells into lungs...
March 2017: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28383046/systemic-administration-of-induced-neural-stem-cells-regulates-complement-activation-in-mouse-closed-head-injury-models
#14
Mou Gao, Qin Dong, Hui Yao, Yingzhou Lu, Xinchao Ji, Mingming Zou, Zhijun Yang, Minhui Xu, Ruxiang Xu
Complement activation plays important roles in the pathogenesis of central nervous system (CNS) diseases. Patients face neurological disorders due to the development of complement activation, which contributes to cell apoptosis, brain edema, blood-brain barrier dysfunction and inflammatory infiltration. We previously reported that induced neural stem cells (iNSCs) can promote neurological functional recovery in closed head injury (CHI) animals. Remarkably, we discovered that local iNSC grafts have the potential to modulate CNS inflammation post-CHI...
April 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28375674/the-inflammatory-cxc-chemokines-gro%C3%AE-high-ip-10-low-and-mig-low-in-tumor-microenvironment-can-be-used-as-new-indicators-for-non-small-cell-lung-cancer-progression
#15
Ya Cao, Haitao Huang, Zhenxin Wang, Guangbo Zhang
AIMS: To investigate the clinical significance of tumor tissue-infiltrating chemokines expression in non-small cell lung cancer (NSCLC) microenvironment. MATERIALS AND METHODS: Fresh tissue samples were acquired from 50 patients with NSCLC after operation. Then, we quantified the total protein with the BCA Protein Assay Kit and tested 13 chemotactic factors in paired samples including tumor tissues, tumor adjacent tissues, and normal tissues with the CBA Kit. RESULTS: We found that the chemokine CC subfamily of MCP-1, MIP-1α, MIP-1β, and MIP-3α and the chemokine CXC subfamily of IL-8, GROα, IP-10, and MIG expressions in tumor tissues were significantly higher than those in tumor-adjacent tissues and normal tissues...
April 4, 2017: Immunological Investigations
https://www.readbyqxmd.com/read/28371562/amnion-epithelial-cells-promote-lung-repair-via-lipoxin-a4
#16
Jean L Tan, Yan Z Tan, Ruth Muljadi, Siow T Chan, Sin N Lau, Joanne C Mockler, Euan M Wallace, Rebecca Lim
Human amnion epithelial cells (hAECs) have been shown to possess potent immunomodulatory properties across a number of disease models. Recently, we reported that hAECs influence macrophage polarization and activity, and that this step was dependent on regulatory T cells. In this study, we aimed to assess the effects of hAEC-derived proresolution lipoxin-A4 (LXA4) on T-cell, macrophage, and neutrophil phenotype and function during the acute phase of bleomycin-induced lung injury. Using C57Bl6 mice, we administered 4 million hAECs intraperitoneally 24 hours after bleomycin challenge...
April 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28371397/delayed-pseudoprogression-of-lung-adenocarcinoma-accompanied-with-interstitial-lung-disease-during-chemotherapy-after-nivolumab-treatment
#17
Toru Kumagai, Madoka Kimura, Takako Inoue, Motohiro Tamiya, Kazumi Nishino, Fumio Imamura
A 62-year-old Japanese female with primary lung adenocarcinoma received seven cycles of nivolumab as an eighth line of chemotherapy until she presented with hemoptysis. After transcatheter arterial embolization therapy, she received subsequent chemotherapy with paclitaxel and S-1. Four weeks later, a chest computed tomography examination revealed infiltrative shadows mainly in the right lung field, in addition to enlargement of the lung metastasis in the right middle lung lobe. Bronchofiberscopic examination revealed infiltration of lymphocytes without any malignant cells in the right segment 1 of the lung, which suggested interstitial lung disease...
March 30, 2017: Thoracic Cancer
https://www.readbyqxmd.com/read/28365129/long-term-results-of-treatment-of-advanced-dermatofibrosarcoma-protuberans-dfsp-with-imatinib-mesylate-the-impact-of-fibrosarcomatous-transformation
#18
P Rutkowski, A Klimczak, I Ługowska, B Jagielska, M Wągrodzki, M Dębiec-Rychter, B Pieńkowska-Grela, T Świtaj
BACKGROUND: Dermatofibrosarcoma protuberans (DFSP) is rare, infiltrating dermal neoplasm, characterized by indolent growth and low probability of metastases. The first effective systemic therapy in DFSP introduced into clinical practice was imatinib, demonstrating high activity in advanced cases. The aim of the study was to perform an analysis of patients with advanced DFSP treated with imatinib, with or without surgery, in routine clinical practice with long-term follow-up. PATIENTS AND METHODS: We analyzed the data of 31 Caucasian patients (14 male, 17 female; median age 56 years) with locally advanced/initially inoperable and/or metastatic DFSP who started therapy with imatinib at initial dose 800 mg daily between 12/2004 and 07/2014...
March 22, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28363109/platycodin-d-protects-against-cigarette-smoke-induced-lung-inflammation-in-mice
#19
Wei Gao, Ying Guo, Hongxia Yang
Cigarette smoke is the one of the major factors that leads to chronic obstructive pulmonary disease (COPD). Inflammation and oxidant stress have been known to play critical roles in the development of COPD. Platycodin D (PLD) has been reported to have anti-inflammatory and anti-oxidant effects. In this study, we aimed to investigate the protective effects of PLD on cigarette smoke (CS)-induced lung inflammation in mice. PLD was adminstrated i.p. to mice 2h before CS exposure daily for five consecutive days...
March 28, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28360976/langerhans-cell-histiocytosis-masquerading-as-acute-appendicitis-case-report-and-review
#20
Mohammad M Karimzada, Michele N Matthews, Samuel W French, Daniel DeUgarte, Dennis Y Kim
Langerhans cell histiocytosis (LCH) is a rare syndrome characterized by unifocal, multifocal unisystem, or disseminated/multi-system disease that commonly involves the bone, skin, lymph nodes, pituitary, or sometimes lung (almost exclusively in smokers) causing a variety of symptoms from rashes and bone lesions to diabetes insipidus or pulmonary infiltrates. We present a previously unreported case of gastrointestinal LCH as well as a novel characteristic lesion affecting the colon of a young woman who presented with signs and symptoms mimicking acute on chronic appendicitis...
March 16, 2017: World Journal of Gastrointestinal Endoscopy
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