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https://www.readbyqxmd.com/read/28719321/association-of-interferon-%C3%AE-receptor-1-gene-polymorphism-with-nontuberculous-mycobacterial-lung-infection-among-iranian-patients-with-pulmonary-disease
#1
Poopak Farnia, Jalaledin Ghanavi, Shima Saif, Parissa Farnia, Ali Akbar Velayati
Nontuberculous mycobacteria (NTM) cause significant pulmonary infections in humans. Researchers have reported an association between interferon-gamma receptor-1 (IFN-γR1 or IFNGR1) deficiency and susceptibility to NTM, but the relevance of polymorphism within these genes is not yet clear. In this study, a single nucleotide polymorphism (SNP), T to C, at position-56 in NTM patients with pulmonary disease was investigated. Molecular identification of Mycobacterium isolates was performed with hsp65 genes using polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP)...
July 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28713086/intensifying-approach-to-the-therapy-of-patients-with-constellation-of-the-diseases-chronic-obstructive-pulmonary-disease-and-osteoarthritis
#2
Vyacheslav N Zhdan, Maksim М Potyazhenko, Galina S Khaymenova, Nadezhda N Lyulka, Tatyana V Dubrovinskaya, Igor V Ivanitsky
INTRODUCTION: Chronic obstructive pulmonary disease (COPD) is one of 21st century. About 210 million people all over the world are suffering with COPD, and annually 3 million people die of it. Under the influence of different factors, such as smoking, air prolusion, evaporation of chemicals, poisoning effect of chemical firings, inflammation processes take place in lungs, and if it is prolonged and take place simultaneously with morphological changes in the lungs, it it provide the de4velopment of the systemic inflammation process...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28707108/clinical-and-biological-insights-from-the-university-of-california-san-francisco-prospective-and-longitudinal-cohort
#3
Bryan S Benn, Zoe Lehman, Sharon A Kidd, Melissa Ho, Sara Sun, Joris Ramstein, Nicholas K Arger, Christine P Nguyen, Robert Su, Antonio Gomez, Jeffrey M Gelfand, Laura L Koth
INTRODUCTION: Sarcoidosis is a systemic inflammatory disease characterized by non-necrotizing granulomas in involved organs, most commonly the lung. Description of patient characteristics in the Western United States is limited. Furthermore, blood-based measures that relate to clinical sarcoidosis phenotypes are lacking. We present an analysis of a prospective, longitudinal sarcoidosis cohort at a Northern Californian academic medical center. METHODS: We enrolled 126 sarcoidosis subjects and 64 healthy controls and recorded baseline demographic and clinical characteristics...
July 13, 2017: Lung
https://www.readbyqxmd.com/read/28702025/cellular-and-molecular-defects-underlying-invasive-fungal-infections-revelations-from-endemic-mycoses
#4
REVIEW
Pamela P Lee, Yu-Lung Lau
The global burden of fungal diseases has been increasing, as a result of the expanding number of susceptible individuals including people living with human immunodeficiency virus (HIV), hematopoietic stem cell or organ transplant recipients, patients with malignancies or immunological conditions receiving immunosuppressive treatment, premature neonates, and the elderly. Opportunistic fungal pathogens such as Aspergillus, Candida, Cryptococcus, Rhizopus, and Pneumocystis jiroveci are distributed worldwide and constitute the majority of invasive fungal infections (IFIs)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28701473/zbtb7a-induction-in-alveolar-macrophages-is-implicated-in-anti-hla-mediated-lung-allograft-rejection
#5
Deepak K Nayak, Fangyu Zhou, Min Xu, Jing Huang, Moriya Tsuji, Jinsheng Yu, Ramsey Hachem, Andrew E Gelman, Ross M Bremner, Michael A Smith, Thalachallour Mohanakumar
Chronic rejection significantly limits long-term success of solid organ transplantation. De novo donor-specific antibodies (DSAs) to mismatched donor human leukocyte antigen after human lung transplantation predispose lung grafts to chronic rejection. We sought to delineate mediators and mechanisms of DSA pathogenesis and to define early inflammatory events that trigger chronic rejection in lung transplant recipients and obliterative airway disease, a correlate of human chronic rejection, in mouse. Induction of transcription factor zinc finger and BTB domain containing protein 7a (Zbtb7a) was an early response critical in the DSA-induced chronic rejection...
July 12, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28699237/evaluation-of-visual-and-computer-based-ct-analysis-for-the-identification-of-functional-patterns-of-obstruction-and-restriction-in-hypersensitivity-pneumonitis
#6
Joseph Jacob, Brian J Bartholmai, Anne Laure Brun, Ryoko Egashira, Srinivasan Rajagopalan, Ronald Karwoski, Vasileios Kouranos, Maria Kokosi, David M Hansell, Athol U Wells
BACKGROUND AND OBJECTIVE: To determine whether computer-based quantification (CALIPER software) is superior to visual computed tomography (CT) scoring in the identification of CT patterns indicative of restrictive and obstructive functional indices in hypersensitivity pneumonitis (HP). METHODS: A total of 135 consecutive HP patients had CT parenchymal patterns evaluated quantitatively by both visual scoring and CALIPER. Results were evaluated against: forced vital capacity (FVC), total lung capacity (TLC), diffusing capacity for carbon monoxide (DLCO ) and a composite physiological index (CPI) to identify which CT scoring method better correlated with functional indices...
July 11, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28699175/long-term-health-outcomes-of-adults-with-mccune-albright-syndrome
#7
S C Wong, M Zacharin
CONTEXT: McCune Albright Syndrome (MAS) is associated with numerous health problems. Comprehensive long term health problems of adults with MAS are less well defined in the literature. OBJECTIVE: Our objective is to report comprehensive health outcomes of adults with MAS (> 18 years). DESIGN: Retrospective case note review of 16 adults with MAS managed by one clinician. Results expressed as median (range) RESULTS: The study included 16 adults (7 males) with MAS...
July 12, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28696256/a-novel-subset-of-anti-inflammatory-cd138-macrophages-is-deficient-in-mice-with-experimental-lupus
#8
Shuhong Han, Haoyang Zhuang, Stepan Shumyak, Jingfan Wu, Hui Li, Li-Jun Yang, Westley H Reeves
Dead cells accumulating in the tissues may contribute to chronic inflammation. We examined the cause of impaired apoptotic cell clearance in human and murine lupus. Dead cells accumulated in bone marrow from lupus patients but not from nonautoimmune patients undergoing myeloablation, where they were efficiently removed by macrophages (MΦ). Impaired apoptotic cell uptake by MΦ also was seen in mice treated i.p. with pristane (develop lupus) but not mineral oil (MO) (do not develop lupus). The inflammatory response to both pristane and MO rapidly depleted resident (Tim4(+)) large peritoneal MΦ...
July 10, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28694354/myocardial-upregulation-of-cathepsin-d-by-ischemic-heart-disease-promotes-autophagic-flux-and-protects-against-cardiac-remodeling-and-heart-failure
#9
Penglong Wu, Xun Yuan, Faqian Li, Jianhua Zhang, Wei Zhu, Meng Wei, Jingbo Li, Xuejun Wang
BACKGROUND: Lysosomal dysfunction is implicated in human heart failure for which ischemic heart disease is the leading cause. Altered myocardial expression of CTSD (cathepsin D), a major lysosomal protease, was observed in human heart failure, but its pathophysiological significance has not been determined. METHODS AND RESULTS: Western blot analyses revealed an increase in the precursor but not the mature form of CTSD in myocardial samples from explanted human failing hearts with ischemic heart disease, which is recapitulated in chronic myocardial infarction produced via coronary artery ligation in Ctsd(+/+) but not Ctsd(+/-) mice...
July 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28693285/characterization-of-%C3%AE-%C3%AE-t-cells-in-patients-with-non-small-cell-lung-cancer
#10
Yi Bao, Li Guo, Juanfen Mo
Systemic immune defects that are associated with disease progression exist in a variety of malignancies. γδ T cells are innate-like lymphocytes that do not require self-major histocompatibility complex-restricted priming. Ex vivo-expanded circulating γδ T cells exhibit promising antitumor activity and are a potential candidate for the treatment of various malignancies, including non-small cell lung cancer (NSCLC). In the present study, flow cytometry was used as a method to study the phenotypes and characteristics of γδ T cells...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28690393/effect-on-lung-function-of-mounthpiece-ventilation-in-steinert-disease-a-case-report
#11
Anna Annunziata, Giuseppe Fiorentino, Antonio Esquinas
In patients with muscular dystrophies both muscle length tension relationship changes and muscle elasticity and plasticity are decreased, resulting in impaired inspiratory muscle function and decreased vital capacity. Furthermore, the loss of deep breathing further increases the risk of alveolar collapse, hypoventilation and atelectasias. In this case report, a stable improvement of vital capacity after treatment with mounthpiece ventilation (MPV), was observed, suggesting that not invasive ventilation (NIV) might help to maintai lung and chest wall compliance, prevent hypoventilation and atelectasias which in turn may slow down the development of the restrictive respiratory pattern...
March 2017: Acta Myologica: Myopathies and Cardiomyopathies: Official Journal of the Mediterranean Society of Myology
https://www.readbyqxmd.com/read/28687271/number-of-thoracotomies-predicts-impairment-in-lung-function-and-exercise-capacity-in-patients-with-congenital-heart-disease
#12
Jan Müller, Peter Ewert, Alfred Hager
OBJECTIVE: Many patients with congenital heart disease (CHD) require surgery to ensure survival into adulthood. But history of previous thoracotomies is associated with respiratory muscle weakness, impairments in chest wall compliance, and moderately to severely impaired lung function. This study evaluated the impact of thoracotomies on functional outcome in patients with CHD. PATIENTS AND METHODS: In total 1372 adolescents and adults with CHD (32.4±11.5 years, 624 female), who underwent spirometry and cardiopulmonary exercise testing in our institution from January 2010 to August 2015, were analyzed...
July 4, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28684654/adipocyte-derived-exosomes-promote-lung-cancer-metastasis-by-increasing-mmp9-activity-via-transferring-mmp3-to-lung-cancer-cells
#13
REVIEW
Jia-Zhou Ye, Yan-Yan Wang, Tao Bai, Jie Chen, Bang-De Xiang, Fei-Xiang Wu, Le-Qun Li
Portal vein tumor thrombus (PVTT) usually worsens prognosis of hepatocellular carcinoma (HCC), as characterized by aggressive disease progression, impaired liver function and tolerance to treatment. Conventionally, the European Association for the Study of the Liver (EASL) and the American Association for the Study of Liver Diseases (AASLD) accepted the Barcelona Clinical Liver Cancer (BCLC) treatment algorithms, identifying PVTT as an absolute contra-indication of surgical resection for HCC. HCC-PVTT patients are offered sorafenib as the standard treatment...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28676226/late-toxicity-and-outcomes-following-radiation-therapy-for-chest-wall-sarcomas-in-pediatric-patients
#14
John T Lucas, Israel Fernandez-Pineda, Christopher L Tinkle, Michael W Bishop, Sue C Kaste, Rajiv Heda, Andrew M Davidoff, Matthew J Krasin
PURPOSE: To investigate the contribution of radiation therapy to acute and late toxicity in pediatric chest wall sarcoma patients and evaluate dosimetric correlates of higher incidence toxicities such as scoliosis and pneumonitis. METHODS AND MATERIALS: The data from 23 consecutively treated pediatric patients with chest wall sarcomas of various histologies (desmoid, Ewing, rhabdomyosarcoma, nonrhabdomyosarcoma-soft tissue sarcomas) were reviewed to evaluate the relationship between end-organ radiation dose, clinical factors, and the risk of subsequent late effects (scoliosis, pneumonitis)...
April 26, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28664832/clinical-determinants-of-elevated-systolic-pulmonary-artery-pressure-measured-by-transthoracic-doppler-echocardiography-in-early-systemic-sclerosis
#15
Patricia E Carreira, Loreto Carmona, Beatriz E Joven, Estibaliz Loza, Jose Luis Andreu, Gabriela Riemekasten, Serena Vettori, Yannick Allanore, Alexandra Balbir-Gurman, Paolo Airò, Ulrich A Walker, Nemanja Damjanov, Lidia P Ananieva, Simona Rednic, László Czirják, Oliver Distler, Dominique Farge, Roger Hesselstrand, Ada Corrado, Paola Caramaschi, Mohammed Tikly, Marco Matucci-Cerinic
OBJECTIVES: To explore the prevalence and clinical associations of elevated systolic pulmonary artery pressure (sPAP), measured by Transthoracic Doppler-echocardiography (TTE) in patients with early systemic sclerosis (SSc). METHODS: A cross-sectional analysis of the prospective EULAR Scleroderma Trial and Research (EUSTAR) database was performed. SSc patients with <3 years from the first non-Raynaud's phenomenon (RP) symptom at baseline EUSTAR visit, were selected...
June 20, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28662821/the-role-of-matrix-metalloproteinases-in-development-repair-and-destruction-of-the-lungs
#16
Amanda Y Hendrix, Farrah Kheradmand
Normal gas exchange after birth requires functional lung alveolar units that are lined with epithelial cells, parts of which are intricately fused with microvascular capillaries. A significant phase of alveolar lung development occurs in the perinatal period, continues throughout early stages in life, and requires activation of matrix-remodeling enzymes. Failure to achieve an optimum number of alveoli during lung maturation can cause several untoward medical consequences including disabling obstructive and/or restrictive lung diseases that limit physiological endurance and increase mortality...
2017: Progress in Molecular Biology and Translational Science
https://www.readbyqxmd.com/read/28658530/the-role-of-biomechanical-anatomical-modeling-via-computed-tomography-for-identification-of-restrictive-allograft-syndrome
#17
Miho Horie, Tomohito Saito, Joanne Moseley, Luigia D'Errico, Pascal Salazar, Daisuke Nakajima, Kristy Brock, Kazuhiro Yasufuku, Matthew Binnie, Shaf Keshavjee, Narinder Paul
Chronic lung allograft dysfunction (CLAD) reduces long term graft survival. It is important to distinguish CLAD subtypes: bronchiolitis obliterans syndrome (BOS) and restrictive allograft syndrome (RAS) as RAS has a worse prognosis and accurate subtyping could facilitate targeted treatments. However, the current diagnosis of CLAD subtypes is based on pulmonary function test results that reflect global estimates of lung function; anatomical modeling based on computed tomography (CT) has the potential to provide detailed analysis of global and regional lung function...
June 28, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28651607/the-long-non-coding-rna-bc200-bcyrn1-is-critical-for-cancer-cell-survival-and-proliferation
#18
Evan P Booy, Ewan Ks McRae, Amit Koul, Francis Lin, Sean A McKenna
BACKGROUND: BC200 is a long non-coding RNA expressed at high levels in the brain and elevated in a variety of tumour types. BC200 has a hypothesized role in translational regulation; however, to date the functional role of BC200 in both normal and diseased states remains poorly characterized. METHODS: Detailed BC200 expression analyses were performed in tumor cell lines, primary and non-tumorigenic cultured breast and lung cells, and a panel of normal human tissues by quantitative real-time PCR and confirmed by northern blot...
June 26, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28651476/molecular-mechanisms-of-intrauterine-growth-restriction
#19
Rao Gurugubelli Krishna, B Vishnu Bhat
Intrauterine growth restriction (IUGR) is a pregnancy specific disease characterized by decreased growth rate of fetus than the normal growth potential at particular gestational age. In the current scenario it is a leading cause of fetal and neonatal morbidity and mortality. In the last decade exhilarating experimental studies from several laboratories have provided fascinating proof for comprehension of molecular basis of IUGR. Atypical expression of enzymes governed by TGFβ causes the placental apoptosis and altered expression of TGFβ due to hyper alimentation causes impairment of lung function...
July 10, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28647206/ct-at-onset-of-chronic-lung-allograft-dysfunction-in-lung-transplant-patients-predicts-development-of-the-restrictive-phenotype-and-survival
#20
Sabine Dettmer, Hoen-Oh Shin, Jens Vogel-Claussen, Max Westphal, Axel Haverich, Gregor Warnecke, Tobias Welte, Frank Wacker, Jens Gottlieb, Hendrik Suhling
PURPOSE: To describe early signs for restrictive subtype of chronic lung allograft dysfunction (CLAD) after lung transplantation in computed tomography (CT) and to evaluate the predictive value for disease progression and survival. MATERIAL AND METHODS: 52 CT examinations in lung transplant patients at CLAD onset were scored for CT features referring to airways disease, parenchymal or pleural abnormality. Patients with and without later development of restrictive CLAD (TLC≤80%) were compared...
June 15, 2017: European Journal of Radiology
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