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https://www.readbyqxmd.com/read/29453984/gata3-acetylation-at-k119-by-cbp-inhibits-cell-migration-and-invasion-in-lung-adenocarcinoma
#1
Xueying Li, Jiaqi Jin, Siyuan Yang, Weizhi Xu, Xianbin Meng, Haiteng Deng, Jun Zhan, Shan Gao, Hongquan Zhang
GATA3 is a transcriptional factor involved in the development of multiple organs. Post translational modifications of GATA3 are critical to its function. Here, we report that GATA3 interacts with and is acetylated by the acetyltransferase CBP. Class I deacetylases HDAC1, HDAC2 and HDAC3 deacetylate GATA3. The major acetylated site of GATA3 in lung adenocarcinoma cells was determined at lysine 119 (AcK119). Functionally, GATA3-acetylation mimics K119Q mutant was found to inhibit lung adenocarcinoma cell migration and invasion with concomitant downregulation of EMT-controlling transcriptional factors Slug, Zeb1 and Zeb2...
February 14, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29453871/examining-the-incidence-and-presentation-of-melanoma-in-the-cardiothoracic-transplant-population
#2
Charles J Puza, Adela R Cardones, Paul J Mosca
Importance: The immunosuppression vital to maintaining transplanted organs comes with an increased incidence of cutaneous neoplasms. Understanding the genesis of malignant melanoma (MM) in transplant subpopulations is necessary for adequate disease surveillance. Objective: To determine the incidence and timing of presentation of MM in the cardiothoracic (heart and/or lung) transplant (CTT) population. Design, Setting, and Participants: This was a retrospective cohort study of 1164 patients who underwent a CTT from 2001 through 2016 with a median follow-up time of 4...
February 16, 2018: JAMA Dermatology
https://www.readbyqxmd.com/read/29453377/optimized-peptide-based-inhibitors-targeting-the-dihydrofolate-reductase-pathway-in-cancer
#3
Amrinder Singh, Neha Deshpande, Nilkamal Pramanik, Siddharth Jhunjhunwala, Annapoorni Rangarajan, Hanudatta S Atreya
We report the first peptide based hDHFR inhibitors designed on the basis of structural analysis of dihydrofolate reductase (DHFR). A set of peptides were rationally designed and synthesized using solid phase peptide synthesis and characterized using nuclear magnetic resonance and enzyme immunoassays. The best candidate among them, a tetrapeptide, was chosen based on molecular mechanics calculations and evaluated in human lung adenocarcinoma cell line A549. It showed a significant reduction of cell proliferation and an IC 50 of 82 µM was obtained...
February 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29453284/structural-and-compositional-diversity-of-fibrillin-microfibrils-in-human-tissues
#4
Alexander Eckersley, Kieran T Mellody, Suzanne M Pilkington, Christopher Em Griffiths, Rachel E B Watson, Ronan O'Cualain, Clair Baldock, David Knight, Michael J Sherratt
Elastic fibres comprising fibrillin microfibrils and elastin are present in many tissues, including the skin, lung, and arteries where they confer elasticity and resilience. Although fibrillin microfibrils play distinct and tissue-specific functional roles, it is unclear whether their ultrastructure and composition differ between elastin-rich (skin) and elastin-poor (ciliary body and zonule) organs or after in vitro synthesis by cultured cells. Here, we used atomic force microscopy, which revealed that the bead morphology of fibrillin microfibrils isolated from the human eye differs from those isolated from the skin...
February 16, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29453076/development-of-novel-synthesized-phthalazinone-based-parp-1-inhibitors-with-apoptosis-inducing-mechanism-in-lung-cancer
#5
Hadia Almahli, Elie Hadchity, Maiy Y Jaballah, Racha Daher, Hazem A Ghabbour, Maha M Kabil, Nasser S Al-Shakliah, Wagdy M Eldehna
Herein we report the synthesis of two series of 4-phenylphthalazin-1-ones 11a-i and 4- benzylphthalazin-1-ones 16a-h as anti-lung adenocarcinoma agents with potential inhibitory activity against PARP-1. All the newly synthesized phthalazinones were evaluated for their anti-proliferative activity against A549 lung carcinoma cell line. Phthalazinones 11c-i and 16b, c showed significant cytotoxic activity against A549 cells at different concentrations (0.1, 1 and 10 μM) for two time intervals (24 h and 48 h)...
February 7, 2018: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29452851/elastin-increases-biofilm-and-extracellular-matrix-production-of-aspergillus-fumigatus
#6
Ildnay de Souza Lima Brandão, Heloiza Maria da Silva Oliveira-Moraes, Cristina Maria de Souza Motta, Neiva Tinti de Oliveira, Oliane Maria Correia Magalhães
Aspergillus fumigatus is an opportunistic saprobe fungus that accounts for 90% of cases of pulmonary aspergillosis in immunosuppressed patients and is known for its angiotropism. When it reaches the respiratory tract, A. fumigatus interacts with structural components and blood vessels of the lungs, such as elastin. To understand the effect of this structural component, we examined the effect of elastin on the production and development of the biofilm of A. fumigatus. In RPMI containing 10mg/mL of elastin, a significant increase (absorbance p<0...
February 13, 2018: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/29452667/overview-on-the-management-of-non-gastric-malt-lymphomas
#7
REVIEW
Irene Defrancesco, Luca Arcaini
Extranodal marginal zone B-cell lymphomas (EMZLs) of the mucosa-associated lymphoid tissue (MALT) are indolent lymphomas which can present at any extranodal site. The most frequent localizations (other than stomach) are ocular adnexa, salivary gland, skin, lung and thyroid. Chronic inflammation and antigenic stimulation are a potential risk for the development of MALT lymphomas. While Helicobacter Pylori (HP) is known to be associated with gastric MALT lymphoma and antibiotic therapy is effective in the setting of HP-positive, other microorganisms (such as Chlamydophila Psittaci, Campylobacter Jejiuni, Borrelia Burgdoferi) have been implicated in the pathogenesis of non-gastric MALT lymphomas...
March 2018: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/29452423/anti-citrullinated-alpha-enolase-antibodies-interstitial-lung-disease-and-bone-erosion-in-rheumatoid-arthritis
#8
Alessia Alunno, Onelia Bistoni, Federico Pratesi, Giuliana Maria Concetta La Paglia, Ilaria Puxeddu, Paola Migliorini, Roberto Gerli
Objectives: RA is an articular chronic inflammatory disease that in a subgroup of patients can also present with extra-articular manifestations (EAMs). Despite intense investigation on this topic, reliable biomarkers for EAMs are lacking. In recent years several ACPAs, including those targeting anti-citrullinated alpha enolase peptide-1 (anti-CEP-1), have been identified in patients with RA. Data about the ability of anti-CEP-1 to predict the development of erosive disease are confliciting and no evidence concerning their possible association with EAMs in RA is currently available...
February 14, 2018: Rheumatology
https://www.readbyqxmd.com/read/29452269/progress-in-radiotherapy-for-regional-and-oligometastatic-disease-in-2017
#9
REVIEW
Suresh Senan, Chad G Rusthoven, Ben J Slotman, Shankar Siva
This review highlights key publications and abstracts in the field of radiation oncology for lung cancer in 2017, and attempts to place these in the context of developments for the broader thoracic oncology community.
February 13, 2018: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/29452155/comparative-developmental-biology-of-the-cardiac-inflow-tract
#10
REVIEW
Rita Carmona, Laura Ariza, Ana Cañete, Ramón Muñoz-Chápuli
The vertebrate heart receives the blood through the cardiac inflow tract. This area has experienced profound changes along the evolution of vertebrates; changes that have a reflection in the cardiac ontogeny. The development of the inflow tract involves dynamic changes due to the progressive addition of tissue derived from the secondary heart field. The inflow tract is the site where oxygenated blood coming from lungs is received separately from the systemic return, where the cardiac pacemaker is established and where the proepicardium develops...
February 13, 2018: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29451980/tri-layer-polymeric-shells-containing-magnetite-nanocarrier-mediated-lcs-1-delivery-for-synthetic-lethal-therapy-of-blm-defective-colorectal-cancer-cells
#11
Anuradha Gupta, Anas Ahmad, Hardeep Singh, Sharanjeet Kaur, Neethu K M, Md Meraj Ansari, Govindasamy Jayamurugan, Rehan Khan
Synthetic lethality is a molecular targeted therapy for selective killing of cancer cells. We exploited a lethal interaction between Superoxide dismutase1 inhibition and Bloom syndrome gene product (BLM) defect for the treatment of colorectal cancer (CRC) cells (HCT 116) with lung cancer screen-1 (LCS-1) loaded customized nanocarrier. LCS-1 has poor aqueous solubility. To overcome its limitations, customized nanocarrier (NC), composed of magnetite core coated with three polymeric shells namely, aminocellulose, branched poly(amidoamine) and paraben-PEG, was developed for encapsulating LCS-1...
February 16, 2018: Biomacromolecules
https://www.readbyqxmd.com/read/29451852/delta-opioids-neuroprotective-roles-in-preclinical-studies
#12
Shahid Husain
Since ancient times, opioids have been used clinically and abused recreationally. In the early stages (about 1,000 AD) of opium history, an Arab physician, Avicenna, administered opioids to control diarrhea and eye diseases. 1 Opioids have very strong pain relieving properties and they also regulate numerous cellular responses. Opioid receptors are expressed throughout the body, including the nervous system, heart, lungs, liver, gastrointestinal tract, and retina. 2-6 Delta opioid receptors (DORs) are a very attractive target from the perspective of both receptor function and their therapeutic potential...
January 2018: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29451718/kiaa0247-inhibits-growth-migration-invasion-of-non-small-cell-lung-cancer-through-regulating-the-notch-pathway
#13
Yitong Xu, Hongjiu Ren, Jun Jiang, Qiongzi Wang, Muli Wudu, Qingfu Zhang, Hongbo Su, Chenglong Wang, Lihong Jiang, Xueshan Qiu
Lung cancer remains the leading cause of cancer-related death worldwide. Previous studies have shown that the novel KIAA0247 gene potentially targeted by the tumor suppressor p53 may inhibit the development of several cancers. However, the exact function of KIAA0247 in non-small-cell lung cancer (NSCLC) is unknown. The purpose of this study was to clarify the role of KIAA0247 in NSCLC. KIAA0247 expression was evaluated in tumors and adjacent normal tissues of 197 NSCLC patients by immunohistochemistry and real-time PCR and analyzed for association with clinicopathological parameters...
February 16, 2018: Cancer Science
https://www.readbyqxmd.com/read/29451705/modeling-asthma-pitfalls-promises-and-the-road-ahead
#14
REVIEW
Helene F Rosenberg, Kirk M Druey
Asthma is a chronic, heterogeneous, and recurring inflammatory disease of the lower airways, with exacerbations that feature airway inflammation and bronchial hyperresponsiveness. Asthma has been modeled extensively via disease induction in both wild-type and genetically manipulated laboratory mice (Mus musculus). Antigen sensitization and challenge strategies have reproduced numerous important features of airway inflammation characteristic of human asthma, notably the critical roles of type 2 T helper cell cytokines...
February 16, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29451347/a-rare-case-of-ectopic-papillary-thyroid-carcinoma-transformed-into-squamous-cell-carcinoma
#15
Hironao Yasuoka, Yasushi Nakamura, Ken-Ichi Yoshida, Toshiro Shimo, Masayuki Tori, Yuuki Matsui, Yasushi Sakamaki, Masahiko Tsujimoto
A rare case of a metastatic ectopic papillary thyroid carcinoma (PTC) of the lung that transformed into a squamous cell carcinoma (SCC) that resembles pulmonary SCC is reported. A subcutaneous ectopic PTC in the left anterior neck area, together with a normal thyroid gland, were excised. The ectopic PTC showed thyroglobulin, TTF-1 and PAX-8 immunoreactivity and a BRAF V600E mutation. During the post-operative follow-up period, a rapidly growing 2 cm nodular lesion in the lower left lobe of the lung was detected...
February 16, 2018: Pathology International
https://www.readbyqxmd.com/read/29451337/eosinophil-derived-exosomes-contribute-to-asthma-remodelling-by-activating-structural-lung-cells
#16
José A Cañas, Beatriz Sastre, José M Rodrigo-Muñoz, Mar Fernández-Nieto, Pilar Barranco, Santiago Quirce, Joaquín Sastre, Victoria Del Pozo
BACKGROUND: Eosinophils, a central factor in asthma pathogenesis, have the ability to secrete exosomes. However, the precise role played by exosomes in the biological processes leading up to asthma has not been fully defined. OBJECTIVE: We hypothesised that exosomes released by eosinophils contribute to asthma pathogenesis by activating structural lung cells. METHODS: Eosinophils from asthmatic patients and healthy volunteers were purified from peripheral blood, and exosomes were isolated from eosinophils of asthmatic and healthy individuals...
February 16, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29450893/dofetilide-for-suppression-of-atrial-fibrillation-in-hypertrophic-cardiomyopathy-a-case-series-and-literature-review
#17
JoEllyn C Moore, Lena Trager, Lucille E Anzia, Walid Saliba, Mohamed Bassiouny, Mandeep Bhargava, Mina Chung, Milind Desai, Ross Garberich, Harry Lever, Bruce D Lindsay, Jay Sengupta, Patrick Tchou, Oussama Wazni, Bruce L Wilkoff
BACKGROUND: Limited medical options are available for rhythm control in patients with atrial fibrillation (AF) and hypertrophic cardiomyopathy (HCM). There are no published reports of dofetilide use in this population. METHODS: A retrospective chart review was conducted on1,404 patients loaded on dofetilide for AF suppression at the Cleveland Clinic from 2008-2012, 25 of whom were found to have HCM. RESULTS: The HCM cohort was 32% female, 76% with persistent AF, mean age of 59 ± 10 years and mean ejection fraction (EF) of 54 ± 9 %...
February 16, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29450591/occurrence-of-pneumonitis-following-radiotherapy-of-breast-cancer-a-prospective-study
#18
Danijela Vasiljevic, Christoph Arnold, David Neuman, Katharina Fink, Marina Popovscaia, Irma Kvitsaridze, Meinhard Nevinny-Stickel, Markus Glatzer, Peter Lukas, Thomas Seppi
AIM: of this study is to determine the temporal resolution of therapy-induced pneumonitis, and to assess promoting factors in adjuvant treated patients with unilateral mammacarcinoma. PATIENTS AND METHODS: A total of 100 post-surgery patients were recruited. The cohort was treated by 2 field radiotherapy (2FRT; breast and chest wall, N = 75), 3 field radiotherapy (3FRT; + supraclavicular lymphatic region, N = 8), or with 4 field radiotherapy (4FRT; + parasternal lymphatic region, N = 17)...
February 15, 2018: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/29450201/supporting-patients-self-managing-respiratory-health-a-qualitative-study-on-the-impact-of-the-breathe-easy-voluntary-group-network
#19
Ferhana Hashem, Rowena Merritt
Self-management strategies are designed to improve lung and respiratory health through structured self-management plans with regular practitioner reviews. Strategies have not, however, focused upon how patient support groups and advocacy networks can help with the management of these conditions; therefore, it is unknown what impact they may have on patient self-management. A qualitative study was designed to help understand what impact the British Lung Foundation's Breathe Easy (BE) groups have on patients managing their lung and respiratory conditions...
January 2018: ERJ Open Research
https://www.readbyqxmd.com/read/29449936/function-of-aquaporins-in-sepsis-a-systematic-review
#20
REVIEW
Katharina Rump, Michael Adamzik
Background: Sepsis is a common cause of death in intensive care units worldwide. Due to the high complexity of this immunological syndrome development of novel therapeutic strategies is urgent. Promising drug targets or biomarkers may depict aquaporins (AQPs) as they regulate crucial key mechanisms of sepsis. Main body: Here we report on base of the current literature that several AQPs are involved in different physiological processes of sepsis. In immune system mainly AQPs 3, 5 and 9 seem to be important, as they regulate the migration of different immune cells...
2018: Cell & Bioscience
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