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https://www.readbyqxmd.com/read/28526278/biotherapeutics-in-chronic-rhinosinusitis-with-and-without-nasal-polyps
#1
Claus Bachert, Philippe Gevaert, Peter Hellings
In western countries, 85% of chronic rhinosinusitis with nasal polyp disease reveals a type 2 inflammatory pattern with expression of IL-4, -5, and -13 as well as increased concentrations of IgE, whereas chronic rhinosinusitis without nasal polyps merely expresses these biomarkers. The degree of type 2 inflammation furthermore is associated with disease severity, asthma comorbidity, and recurrence of disease after surgery. Therefore, these biomarkers also form the targets for innovative therapeutic approaches such as monoclonal antibodies directed against IgE, IL-5, and IL-4 receptor alpha, blocking the activity of IL-4 and -13...
May 16, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28526204/the-786-t-c-polymorphism-of-nos3-gene-is-a-susceptibility-marker-of-copd-among-tunisians-that-correlates-with-nitric-oxide-levels-and-airflow-obstruction
#2
Hela Ben Nasr, Sarra Bchir, Amel Ben Anes, Asma Amri, Yosra Sakhana, Mohamed Benzarti, Abdelhamid Garrouch, Zouhair Tabka, Karim Chahed
OBJECTIVE: The goal of this study was to examine the role of G894T (rs1799983), -786T/C (rs3918161) and a 27 bp variable number of tandem repeats (VNTR) 4B/4A of NOS3 gene on the risk and severity of COPD. METHODS: The study included 194 controls and 138 COPD patients. NOS3 G894T, -786T/C and 4B/4A variants were determined by PCR analysis based on the banding pattern on gel electrophoresis. Pulmonary function was evaluated using body plethysmography. The levels of nitric oxide, peroxynitrite and lipid peroxides (T-BARS) were determined using spectrophotometric methods...
May 16, 2017: Cytokine
https://www.readbyqxmd.com/read/28525841/ll-37-derived-short-antimicrobial-peptide-kr-12-a5-and-its-d-amino-acid-substituted-analogs-with-cell-selectivity-anti-biofilm-activity-synergistic-effect-with-conventional-antibiotics-and-anti-inflammatory-activity
#3
Eun Young Kim, Ganesan Rajasekaran, Song Yub Shin
KR-12-a5 is a 12-meric α-helical antimicrobial peptide (AMP) with dual antimicrobial and anti-inflammatory activities designed from human cathelicidin LL-37. We designed and synthesized a series of d-amino acid-substituted analogs of KR-12-a5 with the aim of developing novel α-helical AMPs that possess higher cell selectivity than KR-12-a5, while maintaining the anti-inflammatory activity. d-amino acid incorporation into KR-12-a5 induced a significant improvement in the cell selectivity by 2.6- to 13.6-fold as compared to KR-12-a5, while maintaining the anti-inflammatory activity...
May 11, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28524834/wild-type-p53-induced-phosphatase-1-deficiency-exacerbates-myocardial-infarction-induced-ischemic-injury
#4
Ke-Mei Liu, Hai-Hong Zhang, Ya-Nan Wang, Lian-Mei Wang, Hong-Yu Chen, Cai-Feng Long, Lian-Feng Zhang, Hong-Bing Zhang, Hong-Bing Yan
BACKGROUND: Myocardial infarction (MI) is a major disease burden. Wild-type p53-induced phosphatase 1 (Wip1) has been studied extensively in the context of cancer and the regulation of different types of stem cells, but the role of Wip1 in cardiac adaptation to MI is unknown. We investigated the significance of Wip1 in a mouse model of MI. METHODS: The study began in June 2014 and was completed in July 2016. We compared Wip1-knockout (Wip1-KO) mice and wild-type (WT) mice to determine changes in cardiac function and survival in response to MI...
June 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28524044/expression-of-keratin-1-keratin-10-desmoglein-1-and-desmocollin-1-in-the-epidermis-possible-downregulation-by-interleukin-4-and-interleukin-13-in-atopic-dermatitis
#5
Ami Totsuka, Miyuki Omori-Miyake, Makoto Kawashima, Junji Yagi, Yuichiro Tsunemi
In the pathogenesis of atopic dermatitis (AD), skin barrier dysfunction and T-helper (Th) type 2 immune reactions play important roles. Alterations in the stratum spinosum of AD have not been studied in much detail. In this study, we investigated the changes of structural proteins and adhesion molecules residing in the stratum spinosum of AD lesional skin, and whether Th2 cytokines including interleukin (IL)-4 and IL-13 alter the expression of these proteins. Skin samples were collected from patients with AD and from healthy controls...
May 19, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28524025/-effect-of-esmolol-on-hemodynamics-and-clinical-outcomes-in-patients-with-septic-shock
#6
Shupeng Wang, Min Li, Jun Duan, Li Yi, Xu Huang, Desheng Chen, Gang Li
OBJECTIVE: To evaluate the effect of heart rate control with esmolol on hemodynamics, inflammatory cytokines and clinical outcomes in patients with septic shock. METHODS: A prospective randomized controlled trial was conducted. The patients with septic shock admitted to Department of Critical Care Medicine of China-Japan Friendship Hospital from August 2014 to October 2016 were enrolled. After 24 hours of resuscitation and other therapy, they were randomly divided into two groups by sealed envelope...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28523241/comparison-of-masticatory-efficiency-according-to-angle-s-classification-of-malocclusion
#7
Jungin Bae, Woo-Sung Son, Seong-Sik Kim, Soo-Byung Park, Yong-Il Kim
OBJECTIVE: The objective of this study was to investigate the differences in masticatory efficiency among patients with different Angle's classes of malocclusion and to assess the correlation between masticatory efficiency and the occlusal contact area. METHODS: The mixing ability index (MAI) was calculated for measuring masticatory efficiency of 61 adult patients according to Angle's classifications of malocclusion. The study included 25, 15, and 21 patients with Angle's Class I, II, and III malocclusions, respectively...
May 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/28522569/brain-derived-neurotrophic-factor-and-airway-fibrosis-in-asthma
#8
Michelle R Freeman, Venkatachalem Sathish, Logan J Manlove, Shengyu Wang, Rodney D Britt, Michael A Thompson, Christina M Pabelick, Y S Prakash
Airway remodeling in asthma driven by inflammation involves proliferation of epithelial cells and airway smooth muscle (ASM), as well as enhanced extracellular matrix (ECM) generation and deposition, i.e. fibrosis. Accordingly, understanding pro-fibrotic mechanisms is important for developing novel therapeutic strategies in asthma. Recent studies, including our own, have suggested a role for locally-produced growth factors such as brain-derived neurotrophic factor (BDNF) in mediating and modulating inflammation effects...
May 18, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28522560/the-effect-of-long-term-maternal-smoking-on-the-offspring-s-lung-health
#9
Suporn Sukjamnong, Yik Lung Chan, Razia Zakarya, Sonia Saad, Pawan Sharma, Rachana Santiyanont, Hui Chen, Brian G G Oliver
Maternal smoking during pregnancy contributes to long-term health problems in offspring, especially respiratory disorders which can manifest in either childhood or adulthood. Receptors for advanced glycation end-products (RAGE) are multi-ligand receptors abundantly localized in the lung, capable of responding to by-products of reactive oxygen species and pro-inflammatory responses. RAGE signalling is a key regulator of inflammation in cigarette smoking-related pulmonary diseases. However, the impact of maternal cigarette smoke exposure on lung RAGE signalling in the offspring is unclear...
May 18, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28522271/medroxyprogesterone-acetate-drives-m2-macrophage-differentiation-toward-a-phenotype-of-decidual-macrophage
#10
Yung-Chieh Tsai, Joseph T Tseng, Chia-Yih Wang, Mei-Tsz Su, Jyun-Yuan Huang, Pao-Lin Kuo
M1 macrophage differentiation plays a crucial role in enhanced inflammation during pregnancy, which may lead to pregnancy complications. Therefore, modulation of macrophage differentiation toward the M2 phenotype is desirable to ensure a successful pregnancy. Medroxyprogesterone acetate (MPA) is a potent progestin with an anti-inflammatory property, but its effect on macrophage differentiation is unknown. This study aimed to examine whether MPA can induce an M2 macrophage differentiation by using the human monocytes cell line THP-1 or primary monocytes...
May 15, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28518224/t-helper-1-related-molecules-as-well-as-il-15-are-hyperexpressed-in-the-skin-lesions-of-patients-with-pyoderma-gangrenosum
#11
Emiliano Antiga, Roberto Maglie, Walter Volpi, Beatrice Bianchi, Emilio Berti, Angelo Valerio Marzano, Marzia Caproni
Pyoderma gangrenosum (PG) is a rare, immune-mediated skin disease classified into the group of neutrophilic dermatoses. Whether a number of studies confirmed the central role of innate immunity, only few studies investigated the possible contributing role of acquired immunity. In particular, no reports about Th1 and Th2 cells are available yet. Therefore, 15 patients with PG, 5 with Sweet's syndrome (SS) and 9 skin specimens from healthy controls (HC) were investigated, evaluating the expression of Th1-related markers IL-12, IFN-γ, CXCR3, CCR5, of the Th2 related molecules IL-4, IL-5, IL-13 and CCR3, of the co-stimulatory axis CD40/CD40L, of IL-15 and the NK cell marker CD56 in skin lesions by immunohistochemistry...
May 18, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28515924/effect-of-serum-interleukin-1-receptor-antagonist-level-on-survival-of-patients-with-non-small-cell-lung-cancer
#12
Murat Yigit, Serkan Değirmencioğlu, Erhan Ugurlu, Arzu Yaren
Due to poor prognosis in advanced non-small cell lung cancer (NSCLC), new effective markers are required in the monitoring of the disease. The present study aimed to investigate the association between the serum IL-1 receptor antagonist (IL-1Ra) level, overall survival (OS), and treatment response in NSCLC, and to evaluate the usefulness of the serum IL-1Ra level as a prognostic marker for NSCLC. Eighty patients (72 men and 8 women) and 40 healthy volunteers (13 men and 27 women) were included in the present study...
May 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28515227/frontline-science-eosinophil-deficient-mbp-1-and-epx-double-knockout-mice-link-pulmonary-remodeling-and-airways-dysfunction-with-type-2-inflammation
#13
Sergei I Ochkur, Alfred D Doyle, Elizabeth A Jacobsen, William E LeSuer, Wen Li, Cheryl A Protheroe, Katie R Zellner, Dana Colbert, HuaHao H Shen, Charlie G Irvin, James J Lee, Nancy A Lee
Eosinophils and the release of cationic granule proteins have long been implicated in the development of the type 2-induced pathologies linked with respiratory inflammation. Paradoxically, the ablation of the two genes encoding the most abundant of these granule proteins, major basic protein-1 (MBP-1) and eosinophil peroxidase (EPX), results in a near collapse of eosinophilopoiesis. The specificity of this lineage ablation and the magnitude of the induced eosinopenia provide a unique opportunity to clarify the importance of eosinophils in acute and chronic inflammatory settings, as well as to identify potential mechanism(s) of action linked with pulmonary eosinophils in those settings...
May 17, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28514691/mast-cells-are-crucial-for-induction-of-group-2-innate-lymphoid-cells-and-clearance-of-helminth-infections
#14
Chikako Shimokawa, Takashi Kanaya, Masami Hachisuka, Kenji Ishiwata, Hajime Hisaeda, Yosuke Kurashima, Hiroshi Kiyono, Tomohiro Yoshimoto, Tsuneyasu Kaisho, Hiroshi Ohno
Mast cells are important for eradication of intestinal nematodes; however, their precise mechanisms of action have remained elusive, especially in the early phase of infection. We found that Spi-B-deficient mice had increased numbers of mast cells and rapidly expelled the Heligmosomoides polygyrus (Hp) nematode. This was accompanied by induction of interleukin-13 (IL-13)-producing group 2 innate lymphoid cells (ILC2) and goblet cell hyperplasia. Immediately after Hp infection, mast cells were rapidly activated to produce IL-33 in response to ATP released from apoptotic intestinal epithelial cells...
May 16, 2017: Immunity
https://www.readbyqxmd.com/read/28514653/the-presence-of-interleukin-13-at-pancreatic-adm-panin-lesions-alters-macrophage-populations-and-mediates-pancreatic-tumorigenesis
#15
Geou-Yarh Liou, Ligia Bastea, Alicia Fleming, Heike Döppler, Brandy H Edenfield, David W Dawson, Lizhi Zhang, Nabeel Bardeesy, Peter Storz
The contributions of the innate immune system to the development of pancreatic cancer are still ill defined. Inflammatory macrophages can initiate metaplasia of pancreatic acinar cells to a duct-like phenotype (acinar-to-ductal metaplasia [ADM]), which then gives rise to pancreatic intraepithelial neoplasia (PanIN) when oncogenic KRas is present. However, it remains unclear when and how this inflammatory macrophage population is replaced by tumor-promoting macrophages. Here, we demonstrate the presence of interleukin-13 (IL-13), which can convert inflammatory into Ym1+ alternatively activated macrophages, at ADM/PanIN lesions...
May 16, 2017: Cell Reports
https://www.readbyqxmd.com/read/28514348/-dynamics-of-immunological-features-of-oral-liquid-in-children-with-chronic-catarrhal-gingivitis-living-on-polluted-territories-with-fluoride-and-iodine-deficiency
#16
N V Malko, E V Besvushko
The aim of the study was to assess the state of oral liquid (OL) immunity in children with chronic catarrhal gingivitis (CCG) living in adverse environmental conditions. 120 children aged 7-15 residing in ecologically unfavorable areas of Lviv region were examined, while 75 children living in 'relatively clean' region were involved in the control group. Chronic catarrhal gingivitis was diagnosed according to Danilevskiy classification (1994). The level of cytokines in oral liquid of 7-years-old children living in ecologically polluted region (EPR), was (198...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/28514189/effects-of-vaccination-with-the-c-strain-vaccine-on-immune-cells-and-cytokines-of-pigs-against-classical-swine-fever-virus
#17
Lu Xu, Xue-Zheng Fan, Qi-Zu Zhao, Zheng-Xing Zhang, Kai Chen, Yi-Bao Ning, Qian-Yi Zhang, Xing-Qi Zou, Yuan-Yuan Zhu, Cui Li, Yu-Jie Zhang, Qin Wang
The attenuated C-strain vaccine against classical swine fever virus (CSFV) is one of the safest and most effective attenuated vaccines. However, little is known of the host immune response after vaccination with the C-strain vaccine. Blood samples from vaccinated pigs were collected to evaluate the number of immune cells, the level of specific CSFV antibody, and related cytokines induced by the vaccination of C-strain vaccine. The C-strain nucleic acid was gradually removed and specific antibody to vaccine kept increasing; the amount of the lymphocyte, Tc cell, and Th cell increased; some inflammatory cytokines such as interleukin (IL)-1 and tumor necrosis factor-α mainly showed downregulated trends, but IL-6 and IL-8 were upregulated greatly; IL-2, IL-4, IL-5, IL-12p40, IL-13, interferon (IFN)-I, and Toll-like receptors (TLRs) kept high expression level after 28 days postvaccination (dpv); IFN-γ was upregulated slightly at 5 and 9 dpv, respectively...
May 17, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28513981/exposure-to-fermentation-supernatant-of-staphylococcus-aureus-accelerated-dedifferentiation-of-chondrocytes-and-production-of-antimicrobial-peptides
#18
Shuaijun Li, Yun Zhang, Yidan Sun, Weigang Cao, Lei Cui
Staphylococcus aureus is the most popular pathogen found in septic arthritis. Despite bacteria was eradicated from joint cavity during acute infection, destruction of articular cartilage often continues for years, leading to permanent joint damage. The mechanism responsible for this consistent catabolic reaction in septic arthritis remains unclear. Here, we found that fermentation supernatant (FS) of Staphylococcus aureus accelerated dedifferentiation of chondrocytes and induced expression of catabolic factors including A Disintegrin-like and Metalloproteinase with Thrombospondin-1 motifs 5, NO synthase 2, matrix metalloproteinase -3, -13...
May 17, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28513772/etanercept-protects-rat-cardiomyocytes-against-hypertrophy-by-regulating-inflammatory-cytokines-secretion-and-cell-apoptosis
#19
Q Li, Q Yu, R Na, B Liu
We aimed to investigate the effect of etanercept, a tumor necrosis factor-α (TNF-α) inhibitor, on rat cardiomyocyte hypertrophy and its underlying mechanism. Primary neonatal rat cardiomyocytes were isolated from Sprague-Dawley rats. The model of rat cardiomyocyte hypertrophy was induced by endothelin, and then treated with different concentrations of etanercept (1, 10, and 50 μM). After treatment, cell counts, viability and cell apoptosis were evaluated. The mRNA levels of myocardial hypertrophy marker genes, including atrial natriuretic factor (ANF), matrix metalloproteinase (MMP)-9 and MMP-13, were detected by qRT-PCR, and the expressions of apoptosis-related proteins (Bcl-2 and Bax) were measured by western blotting...
May 15, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28513128/clinical-features-of-recently-diagnosed-papillary-thyroid-carcinoma-in-elderly-patients-aged-65-and-older-based-on-10-years-of-sonographic-experience-at-a-single-institution-in-korea
#20
Eun Sil Kim, Younghen Lee, Hyungsuk Seo, Gil Soo Son, Soon Young Kwon, Young-Sik Kim, Ji-A Seo, Nan Hee Kim, Sang-Il Suh, Inseon Ryoo, Sung-Hye You
Purpose: The aim of this study was to assess the characteristics of papillary thyroid carcinoma (PTC) in patients aged 65 and older in order to predict postoperative recurrence based on the results of ultrasonographic surveillance. Methods: Among 1,494 patients (200 male and 1,294 female; mean age, 46.6±11.3 years) who underwent surgery for thyroid cancer at our institution between 2006 and 2015, we retrospectively enrolled 150 PTC patients (29 male and 121 female; mean age, 69...
April 13, 2017: Ultrasonography
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