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https://www.readbyqxmd.com/read/29789684/dipeptidyl-peptidase-iv-dpp-4-inhibition-alleviates-pulmonary-arterial-remodeling-in-experimental-pulmonary-hypertension
#1
Jian Xu, Jingjing Wang, Mengyu He, Honghao Han, Weiping Xie, Hong Wang, Hui Kong
Dipeptidyl peptidase IV (DPP-4) is well known for its role in glucose homeostasis, and DPP-4 inhibitor (DPP-4i) exhibits multiple actions in cardiovascular diseases. However, the effect of DPP-4i on pulmonary hypertension (PH) remains unclear. Therefore, this study aims to investigate the effect of DPP-4i on pulmonary arterial remodeling in rats with PH and the potential underlying mechanisms. Our results show that DPP-4 was expressed in epithelial cells, endothelial cells, smooth muscle cells, and inflammatory cells in lung...
May 22, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29789401/treatment-with-eucalyptol-mitigates-cigarette-smoke-induced-lung-injury-through-suppressing-icam-1-gene-expression
#2
Na Yu, Yi-Tian Sun, Xin-Ming Su, Miao He, Bing Dai, Jian Kang
Objectives : This study was conducted to investigate of the clinical significance of Eucalyptol in treating cigarette smoke-induced lung injury with the potential mechanism involved in the event. Methods : Rats were exposed to air (control) and cigarette smoke (smoking) after they were treated with Eucalyptol (260mg/kg) orally once a day for 12 weeks. Cell counts of bronchoalveolar lavage fluid (BALF), measurements of mean liner intercept (MLI) and mean alveolar number (MAN) and lung function test were executed in experimental animals...
May 22, 2018: Bioscience Reports
https://www.readbyqxmd.com/read/29787890/invasive-mold-disease-in-hematologic-patients-comparison-between-fusariosis-and-aspergillosis
#3
Fabio Nucci, Simone A Nouér, Domenico Capone, Marcio Nucci
OBJECTIVES: To compare the epidemiology, clinical presentation, diagnosis, treatment and outcome of hematologic patients with invasive aspergillosis (IA) or invasive fusariosis (IF). METHODS: We retrospectively reviewed the charts of 36 patients with IA and 26 with IF diagnosed between 2006 and 2017 in hematologic patients, and compared baseline characteristics, coexisting exposures, clinical manifestations, treatment and the outcome. RESULTS: Fever was more frequent in IF (96...
May 19, 2018: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29783085/indoor-black-carbon-and-biomarkers-of-systemic-inflammation-and-endothelial-activation-in-copd-patients
#4
Eric Garshick, Stephanie T Grady, Jaime E Hart, Brent A Coull, Joel D Schwartz, Francine Laden, Marilyn L Moy, Petros Koutrakis
RATIONALE: Evidence linking traffic-related particle exposure to systemic effects in chronic obstructive lung disease (COPD) patients is limited. OBJECTIVES: Assess relationships between indoor black carbon (BC), a tracer of traffic-related particles, and plasma biomarkers of systemic inflammation and endothelial activation. METHODS: BC was measured by reflectance in fine particle samples over a mean of 7.6 days in homes of 85 COPD patients up to 4 times seasonally over a year...
May 18, 2018: Environmental Research
https://www.readbyqxmd.com/read/29781194/paraneoplastic-autoimmune-encephalitis-associated-with-pleomorphic-lung-carcinoma-an-autopsy-case-report
#5
Takashi Ando, Yoji Goto, Kazuo Mano, Fumio Nomura, Masako Kurashige, Masafumi Ito, Maya Mimuro, Yasushi Iwasaki, Masahisa Katsuno, Mari Yoshida
A 64-year-old man was admitted with acute onset disturbed consciousness. Cerebrospinal fluid analysis revealed pleocytosis and elevated protein, with negative cultures and PCR. Serum antibodies for autoimmune encephalitis were also negative. Brain magnetic resonance imaging (MRI) was unremarkable, but whole-body CT scan showed a tumor in the left lower lung lobe. Bronchial brush cytology demonstrated clusters of malignant cells, and 18 F-fluorodeoxyglucose positron emission tomography showed multiple lesions and increased uptake in the lung tumor...
May 20, 2018: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/29780127/a-case-of-transient-pulmonary-interstitial-lesions-in-aquaporin-4-positive-neuromyelitis-optica-spectrum-disorder
#6
Yuko Asato, Toshiaki Kamitani, Kuniyuki Ootsuka, Mizuki Kuramochi, Kozo Nakanishi, Tetsuya Shimada, Toshiyuki Takahashi, Tatsuro Misu, Masashi Aoki, Kazuo Fujihara, Yoshinori Kawabata
We herein report the case of a 76-year old man with aquaporin-4-Immunoglobulin-G (AQP4-IgG)-positive neuromyelitis optica spectrum disorder (NMOSD), in whom transient interstitial pulmonary lesions developed at the early stage of the disease. Chest X-ray showed multiple infiltrative shadows in both upper lung fields, and computed tomography revealed abnormal shadows distributed randomly in the lungs. Surgical lung biopsy showed features of unclassifiable interstitial pneumonia, characterized by various types of air-space organization, which resulted in obscure lung structure...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29779430/intratumoral-immune-cells-expressing-pd-1-pd-l1-and-their-prognostic-implications-in-cancer-a-meta-analysis
#7
Younghoon Kim, Xianyu Wen, Nam Yun Cho, Gyeong Hoon Kang
BACKGROUND: The prognostic value of immune cells expressing programmed cell death 1 (PD-1) and PD-1 ligand 1 (PD-L1) in cancer are controversial, and the potential differential impact of using tissue microarrays and whole tissue sections to assess the positivity of immune cells has not been addressed. METHODS: The current study included 30 eligible studies with 7251 patients that evaluated the relationship between tumor-infiltrating lymphocytes expressing PD-1/PD-L1 and overall survival and disease-free survival, or progression-free survival...
May 1, 2018: International Journal of Biological Markers
https://www.readbyqxmd.com/read/29768630/what-determines-mortality-in-malignant-pheochromocytoma-report-of-a-case-with-eighteen-year-survival-and-review-of-the-literature
#8
Matheus de Oliveira Andrade, Vinícius Santos da Cunha, Dayana Carla de Oliveira, Olívia Laquis de Moraes, Adriana Lofrano-Porto
Pheochromocytoma (PCC) is a tumor derived from adrenomedullary chromaffin cells. Prognosis of malignant PCC is generally poor due to local recurrence or metastasis. We aim to report a case of malignant PCC with 18-year survival and discuss which factors may be related to mortality and long-term survival in malignant pheochromocytoma. The patient, a 45-year-old man, reported sustained arterial hypertension with paroxysmal episodes of tachycardia, associated with head and neck burning sensation, and hand and foot tremors...
March 2018: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29765317/sodium-tanshinone-iia-sulfonate-decreases-cigarette-smoke-induced-inflammation-and-oxidative-stress-via-blocking-the-activation-of-mapk-hif-1%C3%AE-signaling-pathway
#9
Ruijuan Guan, Jian Wang, Ziying Li, Mingjing Ding, Defu Li, Guihua Xu, Tao Wang, Yuqin Chen, Qian Yang, Zhen Long, Zhou Cai, Chenting Zhang, Xue Liang, Lian Dong, Li Zhao, Haiyun Zhang, Dejun Sun, Wenju Lu
Aberrant activation of hypoxia-inducible factor (HIF)-1α is frequently encountered and promotes oxidative stress and inflammation in chronic obstructive pulmonary disease (COPD). The present study investigated whether sodium tanshinone IIA sulfonate (STS), a water-soluble derivative of tanshinone IIA, can mediate its effect through inhibiting HIF-1α-induced oxidative stress and inflammation in cigarette smoke (CS)-induced COPD in mice. Here, we found that STS improved pulmonary function, ameliorated emphysema and decreased the infiltration of inflammatory cells in the lungs of CS-exposed mice...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29763380/angiogenin-and-the-mmp9-timp2-axis-are-up-regulated-in-proangiogenic-decidual-nk-like-cells-from-patients-with-colorectal-cancer
#10
Antonino Bruno, Barbara Bassani, Davide Giuseppe D'Urso, Ilvana Pitaku, Elisa Cassinotti, Giuseppe Pelosi, Luigi Boni, Lorenzo Dominioni, Douglas M Noonan, Lorenzo Mortara, Adriana Albini
NK cells are effector lymphocytes involved in tumor immunosurveillance; however, in patients with solid malignancies, NK cells have compromised functions. We have previously reported that lung tumor-associated NK cells (TANKs; peripheral blood) and tumor-infiltrating NK cells (TINKs) show proangiogenic, decidual NK-like (dNK) phenotype. In this study, we functionally and molecularly investigated TINKs and TANKs from blood and tissue samples of patients with colorectal cancer (CRC), a neoplasm in which inflammation and angiogenesis have clinical relevance, and compared them to NK cells from controls and patients with nononcologic inflammatory bowel disease...
May 15, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29758192/gastric-mucosal-metastasis-of-prostate-cancer
#11
Hayretdin Koklu, Gokhan Gedikoglu, Taylan Kav
A 65-year-old male patient who had been hospitalized in the ıntensive care unit for pneumonia presented with hematemesis and melena. He was diagnosed with metastatic adenocarcinoma of prostate (multiple bone and lung metastases), which was accompanied by diabetes mellitus, hypertension, and coronary heart disease. The hemoglobin levels decreased from 11.4 g/dL to 7.3 g/dL during follow-up. Upper endoscopy revealed widespread distribution of numerous umbilicated nodules with varying sizes (from 0.5 to 2 cm) on gastric mucosa (A, B, C)...
May 11, 2018: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29757797/combined-selective-nerve-blockade-and-local-infiltration-analgesia-in-a-total-shoulder-arthroplasty-patient-with-chronic-pain-and-severe-restrictive-lung-disease-a-case-report-erratum
#12
https://www.readbyqxmd.com/read/29756323/primary-mediastinal-histiocytic-sarcoma-presenting-as-pleural-effusion
#13
Jie-Yang Jhuang, Wei-Yu Chen, Shih-Sung Chuang
Histiocytic sarcoma (HS) is a rare malignant neoplasm showing morphological and immunophenotypic features of mature tissue histiocytes. As HS may mimic non-Hodgkin lymphoma (NHL) pathologically, before the era of immunohistochemistry, many previously reported cases were misdiagnosed NHL. Up to date, there are only a few reports delineating the cytological features in fine-needle aspiration or bronchoalveolar lavage, but not in the effusion fluid yet. Herein, we report the case of a 61-year-old male with a mediastinal tumor presenting with malignant pleural effusion...
May 13, 2018: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/29746822/tabersonine-attenuates-lipopolysaccharide-induced-acute-lung-injury-via-suppressing-traf6-ubiquitination
#14
Depeng Zhang, Xiaozong Li, Yudong Hu, Hongchao Jiang, Yaxian Wu, Yunhe Ding, Kaikai Yu, Huiqiong He, Jingsong Xu, Lei Sun, Feng Qian
Sepsis caused by Gram-negative bacteria is one of major causes for the progression of acute lung injury (ALI) with limited treatment and effective medicines. Tabersonine is an indole alkaloid mainly isolated from Catharanthus roseus, and a potential drug candidate for treatment of cancer and Alzheimer's disease (AD), however, its anti-inflammatory effect has not been revealed. In this study, we reported that tabersonine ameliorated lipopolysaccharides (LPS)-induced ALI in vivo and inhibited LPS-mediated macrophage activation in vitro...
May 7, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29744361/the-role-of-the-immune-response-in-the-pathogenesis-of-bronchiectasis
#15
REVIEW
Paul T King
Bronchiectasis is a prevalent respiratory condition characterised by permanent and abnormal dilation of the lung airways (bronchi). There are a large variety of causative factors that have been identified for bronchiectasis; all of these compromise the function of the immune response to fight infection. A triggering factor may lead to the establishment of chronic infection in the lower respiratory tract. The bacteria responsible for the lower respiratory tract infection are usually found as commensals in the upper respiratory tract microbiome...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29739412/immunohistological-features-related-to-functional-impairment-in-lymphangioleiomyomatosis
#16
Ellen Caroline Toledo do Nascimento, Bruno Guedes Baldi, Alessandro Wasum Mariani, Raquel Annoni, Ronaldo Adib Kairalla, Suzana Pinheiro Pimenta, Luiz Fernando Ferraz da Silva, Carlos Roberto Ribeiro Carvalho, Marisa Dolhnikoff
BACKGROUND: Lymphangioleiomyomatosis (LAM) is a low-grade neoplasm characterized by the pulmonary infiltration of smooth muscle-like cells (LAM cells) and cystic destruction. Patients usually present with airway obstruction in pulmonary function tests (PFTs). Previous studies have shown correlations among histological parameters, lung function abnormalities and prognosis in LAM. We investigated the lung tissue expression of proteins related to the mTOR pathway, angiogenesis and enzymatic activity and its correlation with functional parameters in LAM patients...
May 8, 2018: Respiratory Research
https://www.readbyqxmd.com/read/29733073/a-50-a%C3%A3-os-de-la-descripci%C3%A3-n-del-s%C3%A3-ndrome-de-insuficiencia-respiratoria-aguda
#17
Raúl Carrillo-Esper, Gilberto Felipe Vázquez-De Anda, Cynthia Ivonne Mejía-Pérez, María Guadalupe Delaye-Aguilar, Ana Ivonne Pérez-Castañeda, Jesús Carlos Briones-Garduño, Manuel Antonio Díaz de León-Ponce
En 1967, Ashbaugh et al. publicaron en Lancet la descripción de una nueva entidad para la que acuñaron el nombre "síndrome de distress respiratorio del adulto". En ese artículo describieron minuciosamente a 12 enfermos que presentaban insuficiencia respiratoria, con infiltración pulmonar bilateral e hipoxemia resistente a oxigenoterapia. Para su manejo se hizo énfasis en la importancia de la intubación y la ventilación mecánica con presión positiva al final de la espiración. A 50 años de la publicación se han logrado grandes avances en el conocimiento de esta enfermedad, lo que ha influido en el manejo y supervivencia de los pacientes...
2018: Gaceta Médica de México
https://www.readbyqxmd.com/read/29729196/potential-clinical-targets-in-hepatopulmonary-syndrome-lessons-from-experimental-models
#18
REVIEW
Sarah Raevens, Michael B Fallon
Hepatopulmonary syndrome (HPS) is a relatively common and potentially severe pulmonary complication of cirrhosis with increased risk of mortality. In experimental models, a complex interaction between pulmonary endothelial cells, monocytes and the respiratory epithelium, producing chemokines, cytokines, and angiogenic growth factors underlies alterations in the alveolar microvasculature, resulting in impaired oxygenation. Models systems are critical for evaluating mechanisms and for preclinical testing in HPS, due to the challenges of evaluating the lung in the setting of advanced liver disease in humans...
May 5, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29724306/-clinical-analysis-of-40-patients-with-eosinophilic-lung-diseases-in-peking-union-medical-college-hospital
#19
Xu Dong Zhang, Hai Hong Gong, Jin Ming Gao
Objective To summarize the clinical features of eosinophilic lung diseases(ELD). Methods We retrospectively analyzed the clinical manifestations,laboratory findings,accessory examination results,and pathology of 40 patients who were diagnosed with ELD and hospitalized in Peking Union Medical College Hospital from January 2013 to December 2016.Results There were 19 males and 21 females,and the average age was(48.58±18.25) years.The diagnoses included allergic bronchopulmonary aspergillosis(n=20),eosinophilic granulomatosis with polyangiitis(also known as churg-strauss syndrome)(n=10),chronic eosinophilic pneumonia(n=8),parasitic infection(n=1),and drug-induced eosinophilic pneumonia(n=1)...
April 28, 2018: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/29722566/inhibition-of-raf1-ameliorates-bleomycin-induced-pulmonary-fibrosis-through-attenuation-of-tgf%C3%AE-1-signaling
#20
Shuang Li, Jia Liu, Jiangning Tan, Lian Li, Mary J Kaltreider, Jing Zhao, Daniel J Kass, Dong Shang, Yutong Zhao
Idiopathic Pulmonary Fibrosis (IPF) is a fatal fibrotic lung disease associated with aberrant activation and differentiation of fibroblasts, leading to abnormal extracellular matrix (ECM) production. Currently, it is still an untreatable disease except lung transplantation. Here, we demonstrate that the Raf1 inhibitor GW5074 ameliorates lung fibrosis in bleomycin-induced pulmonary fibrosis. Post-treatment with GW5074 reduced fibronectin (FN) expression, collagen deposition, and inflammatory cell infiltration in bleomycin-challenged mice, suggesting an anti-fibrotic property of GW5074...
May 3, 2018: American Journal of Physiology. Lung Cellular and Molecular Physiology
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