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https://www.readbyqxmd.com/read/28102935/ectopic-cushing-syndrome-in-small-cell-lung-cancer-a-case-report-and-literature-review
#1
Hang-Yu Zhang, Jun Zhao
Small cell lung cancer (SCLC) is a neuroendocrine tumor with the potential to secrete various peptides or hormones that can lead to paraneoplastic syndromes, such as Ectopic Cushing syndrome (ECS). Because of the aggressive nature of the syndrome and its atypical features, ECS in small-cell lung cancer is difficult to diagnose and has a poor prognosis. We report a case of a 74-year-old male patient who presented with severe hypokalemia, proximal muscle weakness, peripheral edema, metabolic alkalosis, and worsening hyperglycemia...
November 8, 2016: Thoracic Cancer
https://www.readbyqxmd.com/read/28101903/development-and-characterization-of-anti-glycopeptide-monoclonal-antibodies-against-human-podoplanin-using-glycan-deficient-cell-lines-generated-by-crispr-cas9-and-talen
#2
Mika K Kaneko, Takuro Nakamura, Ryusuke Honma, Satoshi Ogasawara, Yuki Fujii, Shinji Abe, Michiaki Takagi, Hiroyuki Harada, Hiroyoshi Suzuki, Yasuhiko Nishioka, Yukinari Kato
Human podoplanin (hPDPN), which binds to C-type lectin-like receptor-2 (CLEC-2), is involved in platelet aggregation and cancer metastasis. The expression of hPDPN in cancer cells or cancer-associated fibroblasts indicates poor prognosis. Human lymphatic endothelial cells, lung-type I alveolar cells, and renal glomerular epithelial cells express hPDPN. Although numerous monoclonal antibodies (mAbs) against hPDPN are available, they recognize peptide epitopes of hPDPN. Here, we generated a novel anti-hPDPN mAb, LpMab-21...
January 19, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28101584/myeloprotective-effects-of-c-type-natriuretic-peptide-on-cisplatin-induced-bone-marrow-granulocytopenia-in-mice
#3
Masahiro Zenitani, Takashi Nojiri, Toru Kimura, Hiroshi Hosoda, Koichi Miura, Jun Hino, Kengo Nakahata, Shuichiro Uehara, Mikiya Miyazato, Takaharu Oue, Hiroomi Okuyama, Kenji Kangawa
PURPOSE: Cisplatin is an effective chemotherapeutic agent used to treat a variety of malignant tumors. The major toxicity associated with cisplatin treatment is granulocytopenia. C-type natriuretic peptide (CNP), a member of the natriuretic peptide family, protects against toxicity in many organs, including the heart, blood vessels, lung, and kidney. The objective of this study was to investigate the myeloprotective effects of CNP in a mouse model of cisplatin-induced granulocytopenia...
January 18, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28101463/development-of-a-novel-human-single-chain-antibody-against-egfrviii-antigen-by-phage-display-technology
#4
Leila Rahbarnia, Safar Farajnia, Hossein Babaei, Jafar Majidi, Bahman Akbari, Shiva Ahdi Khosroshahi
Purpose: EGFRvIII as the most common mutant variant of the epidermal growth factor receptor is resulting from deletion of exons 2-7 in the coding sequence and junction of exons 1 and 8 through a novel glycine residue. EGFRvIII is highly expressed in glioblastoma, carcinoma of the breast, ovary, and lung but not in normal cells. The aim of the present study was identification of a novel single chain antibody against EGFRvIII as a promising target for cancer therapy. Methods: In this study, a synthetic peptide corresponding to EGFRvIII protein was used for screening a naive human scFv phage library...
December 2016: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28100358/-study-on-the-effect-and-predictive-to-bronchiectasis-combined-with-rheumatoid-arthritis
#5
W Ding, Y F Zhao, H W Lu, S Liang, K B Cheng, J F Xu
Objective: To explore the clinical characteristics of bronchiectasis(BR)coexisting in patients with rheumatoid arthritis (RA). Methods: One hundred and forty-eight bronchiectasis patients were retrospectively analyzed. These cases were all diagnosed in the Respiratory Department of Shanghai Pulmonary Hospital and Shanghai Gongli Hospital of Pudong New Area during Jan. 2012 to Dec.2015.The patients consisted of 74 males and 74 females, aging from 45 to 79 [mean(65±11)] years. In these patients, coexisting rheumatoid arthritis was found in 34 males and 36 females, aging from 45 to 79[mean(68±12)] years(RA-BR group)...
January 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28100051/basement-membrane-mimics-of-biofunctionalized-nanofibers-for-a-bipolar-cultured-human-primary-alveolar-capillary-barrier-model
#6
Akihiro Nishiguchi, Smriti Singh, Matthias Wessling, Charles James Kirkpatrick, Martin Moeller
In vitro reconstruction of an alveolar barrier for modeling normal lung functions and pathological events serve as reproducible, high-throughput pharmaceutical platforms for drug discovery, diagnosis, and regenerative medicine. Despite much effort, the reconstruction of organ-level alveolar barrier functions has failed due to the lack of structural similarity to the natural basement membrane, functionalization with specific ligands for alveolar cell function, the use of primary cells and biodegradability. Here we report a bipolar cultured alveolar-capillary barrier model of human primary cells supported by a basement membrane mimics of fully-synthetic bifunctional nanofibers...
January 18, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28098880/the-role-of-gap-junctions-in-inflammatory-and-neoplastic-disorders-review
#7
Pui Wong, Victoria Laxton, Saurabh Srivastava, Yin Wah Fiona Chan, Gary Tse
Gap junctions are intercellular channels made of connexin proteins, mediating both electrical and biochemical signals between cells. The ability of gap junction proteins to regulate immune responses, cell proliferation, migration, apoptosis and carcinogenesis makes them attractive therapeutic targets for treating inflammatory and neoplastic disorders in different organ systems. Alterations in gap junction profile and expression levels are observed in hyperproliferative skin disorders, lymphatic vessel diseases, inflammatory lung diseases, liver injury and neoplastic disorders...
January 17, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28096300/enhanced-suppression-of-polyclonal-cd8-25-regulatory-t-cells-via-exosomal-arming-of-antigen-specific-peptide-mhc-complexes
#8
Chuanyong Mu, Xueshu Zhang, Lu Wang, Aizhang Xu, Khawaja Ashfaque Ahmed, Xueqin Pang, Rajni Chibbar, Andrew Freywald, Jianan Huang, Yehan Zhu, Jim Xiang
Compared with CD4(+)25(+) regulatory T cells (Tregs), the mechanisms for natural, polyclonal CD8(+)25(+) Treg immune suppression have been significantly less studied. We previously showed that polyclonal T cells can acquire antigen-specific targeting activity through arming with exosomal peptide-MHC (pMHC). In this study, we assessed the suppressive effect of CD8(+)25(+) Tregs or CD8(+)25(+) Tregs armed with ovalbumin (OVA)-specific exosomes on other immune cells and OVA-specific dendritic cell (DCOVA)-stimulated antitumor immunity...
January 17, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28096298/mfg-e8-derived-peptide-attenuates-adhesion-and-migration-of-immune-cells-to-endothelial-cells
#9
Yohei Hirano, Weng-Lang Yang, Monowar Aziz, Fangming Zhang, Barbara Sherry, Ping Wang
Milk fat globule-epidermal growth factor-factor 8 (MFG-E8) plays an immunomodulatory role in inflammatory diseases. MFG-E8-derived short peptide (MSP68) greatly reduces neutrophil infiltration and injury in the lung during sepsis. In this study, we examined the effect of MSP68 on chemotaxis of various immune cells and its regulatory mechanism. Bone marrow-derived neutrophils (BMDNs) from C57BL/6 mice, human monocyte THP-1 cell line, and human T lymphocyte Jurkat cell line were used for adhesion and migration assays using a Transwell method in the presence of MSP68...
January 17, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28096201/serum-c-peptide-total-and-high-molecular-weight-adiponectin-and-pancreatic-cancer-do-associations-differ-by-smoking
#10
Leticia M Nogueira, Christina C Newton, Michael N Pollak, Debra T Silverman, Demetrius Albanes, Satu Männistö, Stephanie J Weinstein, Eric J Jacobs, Rachael Z Stolzenberg-Solomon
BACKGROUND: Studies examining associations between circulating concentrations of C-peptide and total adiponectin, two biomarkers related to obesity and insulin secretion and sensitivity and pancreatic ductal adenocarcinoma (PDA) risk have shown inconsistent results and included limited numbers of smokers. METHODS: We examined associations of these biomarkers and high molecular weight (HMW) adiponectin with PDA, overall, and by smoking status. We conducted a pooled nested case-control analysis in 3 cohorts (Prostate, Lung, Colorectal, and Ovarian Cancer Trial, Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study, and Cancer Prevention Study-II), with 758 cases (435 current smokers) and 1052 controls (531 smokers) matched by cohort, age, sex, race, blood draw date and follow-up time...
January 17, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28093826/highly-sensitive-detection-of-e2-activity-in-ubiquitination-using-an-artificial-ring-finger
#11
Kazuhide Miyamoto, Miho Sumida, Mayumi Yuasa-Sunagawa, Kazuki Saito
The ubiquitin-conjugating (E2) enzymes of protein ubiquitination are associated with various diseases such as leukemia, lung cancer, and breast cancer. Rapid and accurate detection of E2 enzymatic activities remains poor. Here, we described the detection of E2 activity on a signal accumulation ISFET biosensor (AMIS sensor) using an artificial RING finger (ARF). The use of ARF enables the simplified detection of E2 activity without a substrate. The high-sensitivity quantitative detection of E2 activities was demonstrated via real-time monitoring over a response range of femtomolar to micromolar concentrations...
January 17, 2017: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/28093296/inhibition-of-cd44v3-and-cd44v6-function-blocks-tumor-invasion-and-metastatic-colonization
#12
Michal Zaiden, Valeria Feinshtein, Ayelet David
The prevention of cancer cell dissemination and secondary tumor formation are major goals of cancer therapy. Here, we report on the development of a new CD44-targeted copolymer carrying multiple copies of the A5G27 peptide, known for its ability to bind specifically to CD44v3 and CD44v6 on cancer cells and inhibit tumor cell migration, invasion, and angiogenesis. We hypothesized that conjugation of A5G27 to N-(2-hydroxypropyl)methacrylamide (HPMA) copolymer would enhance tumor tissue accumulation, promote selective binding to cancer cells, with concomitant increased inhibition of cancer cell invasiveness and migration...
January 13, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28089914/arachidonic-acid-with-taurine-enhances-pulmonary-absorption-of-macromolecules-without-any-serious-histopathological-damages
#13
Masateru Miyake, Takanori Minami, Hiroyuki Yamazaki, Chie Emoto, Tadashi Mukai, Hajime Toguchi
Therapeutic peptides and protein are being used in several indications; however, their poor permeability still remains to be solved. This study focused on the pulmonary route of macromolecules. First, the effects of arachidonic acid (AA) as an absorption enhancer on drug serum concentration, after intratracheal administration, were investigated in rats. Second, the safety of AA was assessed in rats in an acute toxicity study for 7 days. AA enhanced the exposure of both interferon-α (IFN-α) and fluorescein isothiocyanate 4000 (FD-4)...
January 13, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28089718/cathelicidin-antimicrobial-peptide-from-alligator-mississippiensis-has-antibacterial-activity-against-multi-drug-resistant-acinetobacter-baumanii-and-klebsiella-pneumoniae
#14
Stephanie M Barksdale, Evelyn J Hrifko, Monique L van Hoek
Alligator mississippiensis (American alligator), a member of order Crocodilia, lives in bacteria-laden environments but is not often known to succumb to bacterial infections. Their serum has been shown to have antibacterial activity beyond that of human serum, and it is believed that this activity is partially due to cationic antimicrobial peptides (CAMPs). CAMPs are produced by many organisms as part of the innate immune system. CAMPs are attractive possible therapies against multi-drug resistant bacteria, such as those found in biofilm-infected war wounds, because they seldom cause genetic resistance in bacteria and are effective against antibiotic resistant bacteria...
January 12, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28079882/stability-of-the-cancer-target-ddias-is-regulated-by-the-chip-hsp70-pathway-in-lung-cancer-cells
#15
Kyoung-Jae Won, Joo-Young Im, Bo-Kyung Kim, Hyun Seung Ban, Young-Jin Jung, Kyeong Eun Jung, Misun Won
DNA damage-induced apoptosis suppressor (DDIAS) rescues lung cancer cells from apoptosis in response to DNA damage. DDIAS is transcriptionally activated by NFATc1 and EGF-mediated ERK5/MEF2B, leading to cisplatin resistance and cell invasion. Therefore, DDIAS is suggested as a therapeutic target for lung cancer. Here, we report that DDIAS stability is regulated by E3 U-box ubiquitin ligase carboxyl terminus of HSP70-interacting protein (CHIP)-mediated proteasomal degradation. We first isolated CHIP as an interacting partner of DDIAS by yeast two-hybrid screening...
January 12, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28079614/the-role-of-gene-environment-interplay-in-occupational-and-environmental-diseases-current-concepts-and-knowledge-gaps
#16
Elizabeth Kwo, David Christiani
PURPOSE OF REVIEW: The interplay between genetic susceptibilities and environmental exposures in the pathogenesis of a variety of diseases is an area of increased scientific, epidemiologic, and social interest. Given the variation in methodologies used in the field, this review aims to create a framework to help understand occupational exposures as they currently exist and provide a foundation for future inquiries into the biological mechanisms of the gene-environment interactions. Understanding of this complex interplay will be important in the context of occupational health, given the public health concerns surrounding a variety of occupational exposures...
January 11, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/28077642/studies-on-the-interaction-of-tumor-derived-hd5-alpha-defensins-with-adenoviruses-and-implications-for-oncolytic-adenovirus-therapy
#17
Charles Vragniau, Jens-Martin Hübner, Peter Beidler, Sucheol Gil, Kamola Saydaminova, Zhuo-Zhuang Lu, Roma Yumul, Hongjie Wang, Maximilian Richter, Pavel Sova, Charles Drescher, Pascal Fender, André Lieber
: Defensins are small anti-microbial peptides capable of neutralizing human adenovirus (HAdV) in vitro by binding capsid proteins and blocking endosomal escape of virus. In humans, the alpha defensin HD5 is produced by specialized epithelial cells of the gastro-intestinal and genito-urinary tracts. Here we demonstrate that HD5 is also expressed as an active, secreted peptide by epithelial ovarian and lung cancer cells in situ, in patient biopsies. This finding triggered us to study the role of HD5 in infection and spread of replication-competent, oncolytic HAdV type 3 virus...
January 11, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28076422/monoclonal-antibody-against-g-glycoprotein-increases-respiratory-syncytial-virus-clearance-in-vivo-and-prevents-vaccine-enhanced-diseases
#18
Hyo-Jeong Lee, Jeong-Yoon Lee, Min-Hee Park, Joo-Young Kim, Jun Chang
Respiratory syncytial virus (RSV) is a common cause of lower respiratory tract illness in infants, young children, and the elderly. The G glycoprotein plays a role in host cell attachment and also modulates the host immune response, thereby inducing disease pathogenesis. We generated two monoclonal antibodies (mAbs; 5H6 and 3A5) against G protein core fragment (Gcf), which consisted of amino acid residues 131 to 230 from RSV A2 G protein. Epitope mapping study revealed that 5H6 specifically binds to the G/164-176 peptide that includes conserved sequences shared by both RSV A and B subtypes, and 3A5 binds to the G/190-204 peptide...
2017: PloS One
https://www.readbyqxmd.com/read/28074747/liraglutide-a-glucagon-like-peptide-1-agonist-for-chronic-weight-management
#19
Kendra R Manigault, Maria Miller Thurston
OBJECTIVE: To review the efficacy and safety of liraglutide 3.0 mg for weight loss. DATA SOURCE: A literature search was performed using PubMed and MEDLINE from 2000 to 2016. The following key terms were used alone or in combination: glucagon-like peptide-1 agonist, liraglutide, obesity, overweight, and weight loss. Additional supporting literature was identified utilizing the reference lists of the preceding articles. STUDY SELECTION: Analyzed studies were published in English and investigated use of liraglutide and its impact on weight loss...
December 1, 2016: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
https://www.readbyqxmd.com/read/28074615/a-database-of-optimized-proteomic-quantitative-methods-for-284-human-drug-disposition-related-proteins-for-applications-in-pbpk-modeling
#20
Marc Vrana, Dale Whittington, Vivek Nautiyal, Bhagwat Prasad
The aim of this study was to create an open access repository of validated LC-MS/MS (MRM) methods for quantifying 284 important proteins associated with drug absorption, distribution, metabolism and excretion (ADME). Various in silico and experimental approaches were used to select surrogate peptides and optimize instrument parameters for LC-MS/MS quantification of the selected proteins. The final methods were uploaded to an online public database (ADME QPrOmics(TM); www.qpromics.uw.edu/qpromics/assay/) which provides essential information for facile method development in triple quadrupole MS instruments...
January 11, 2017: CPT: Pharmacometrics & Systems Pharmacology
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