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https://www.readbyqxmd.com/read/27922915/lifestyle-behaviors-perceived-stress-and-inflammation-of-individuals-with-chronic-graft-versus-host-disease
#1
Debra Lynch Kelly, Debra E Lyon, Deidre Periera, Cynthia Garvan, John Wingard
BACKGROUND: Stress is a potent immunomodulator contributing to chronic conditions. Chronic graft-versus-host disease (cGVHD) is a life-threatening late effect of allogeneic hematopoietic cell transplantation associated with stress and exaggerated immune response that may be associated to lifestyle behaviors. OBJECTIVE: The aim of this study is to explore associations among lifestyle behaviors, perceived stress, and inflammation of individuals with cGVHD. METHODS: A secondary analysis from a prospective observational study of 24 adults (≥18 years) with cGVHD was conducted...
December 5, 2016: Cancer Nursing
https://www.readbyqxmd.com/read/27922744/lung-pathologies-in-a-chronic-inflammation-mouse-model-are-independent-of-eosinophil-degranulation
#2
Elizabeth A Jacobsen, Sergei I Ochkur, Alfred D Doyle, William E LeSuer, Wen Li, Cheryl A Protheroe, Dana Colbert, Katie R Zellner, HuaHao H Shen, Charles G Irvin, James J Lee, Nancy A Lee
RATIONALE: The release of eosinophil granule proteins in the lungs of asthma patients has been dogmatically linked with lung remodeling and airway hyperresponsiveness (AHR). However, the demonstrated inability of established mouse models to display the eosinophil degranulation occurring in human subjects has prevented a definitive in vivo test of this hypothesis. OBJECTIVES: To demonstrate in vivo causative links between induced pulmonary histopathologies/lung dysfunction and eosinophil degranulation...
December 6, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27921406/house-dust-mites-confer-a-distinct-immunological-feature-among-dermatitis
#3
Safa Baris, Ahmet Ozen, Tuba Akdeniz, Elif Karakoc-Aydiner, Ovgu Aydin, Hulya Ercan, Ismail Ogulur, Yildiz Camcioglu, Reha Cengizlier, Cuyan Demirkesen, Deniz Yucelten, Gulderen Demirel, Isil B Barlan
Atopic dermatitis (AD) is a heterogeneous disease with regard to clinical phenotype and natural history. We investigated T cell subtypes and cytokine responses in peripheral blood and skin lesions of AD patients with various sensitivities. Immunological studies were performed in 27 subjects: 9 house dust mite (HDM)-sensitized; 6 subjects with sensitizations other than HDM; 7 non-allergic AD patients and 5 healthy controls. Among those, skin biopsy samples of 13 subjects were evaluated for immunohistochemical analyses, as well...
August 2016: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/27921405/thrombolytic-therapy-up-regulates-inflammatory-mediators-compared-to-percutaneous-coronary-intervention-pci
#4
Alireza Garjani, Bahram Sohrabi, Ali Akbar Movassaghpour, Sina Andalib, Mehriar Shokri, Bahar Taherkhanchi, Bahador Bagheri
The important role of reperfusion therapies in the treatment of acute myocardial infarction is well documented. However, reperfusion therapies can initiate inflammatory response and may damage the myocardium. The purpose of current study was to compare the effects of percutaneous coronary intervention and thrombolytic therapy on inflammatory markers in the setting of ST elevation myocardial infarction (STEMI). Eighty three patients with STEMI were enrolled in this study. 40 patients underwent percutaneous coronary intervention (PCI), and 43 patients received streptokinase (1...
August 2016: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/27920212/inhibition-of-antigen-specific-and-non-specific-stimulation-of-bovine-t-and-b-cells-by-lymphostatin-from-attaching-and-effacing-escherichia-coli
#5
Robin L Cassady-Cain, Elizabeth A Blackburn, Charlotte R Bell, Elizaveta Elshina, Jayne C Hope, Mark P Stevens
Enterohaemorrhagic E. coli (EHEC) and enteropathogenic E. coli (EPEC) are enteric bacterial pathogens of worldwide importance. Most EPEC and non-O157 EHEC strains express lymphostatin (also known as LifA), a chromosomally-encoded 365 kDa protein. We previously demonstrated that lymphostatin is a putative glycosyltransferase that is important in intestinal colonisation of cattle by EHEC serogroup O5, O111 and O26 strains. However, the nature and consequences of the interaction between lymphostatin and immune cells from the bovine host are ill-defined...
December 5, 2016: Infection and Immunity
https://www.readbyqxmd.com/read/27918832/the-effect-of-ambient-titanium-dioxide-microparticle-exposure-to-the-ocular-surface-on-the-expression-of-inflammatory-cytokines-in-the-eye-and-cervical-lymph-nodes
#6
Youngsub Eom, Jong Suk Song, Hyun Kyu Lee, Boram Kang, Hyeon Chang Kim, Hyung Keun Lee, Hyo Myung Kim
Purpose: To investigate the ocular immune response following exposure to airborne titanium dioxide (TiO2) microparticles. Methods: Rats in the TiO2-exposed group (n = 10) were exposed to TiO2 particles for 2 hours twice daily for 5 days, while the controls (n = 10) were not. Corneal staining score and tear lactic dehydrogenase (LDH) activity were measured to evaluate ocular surface damage, serum immunoglobulin (Ig) G and E were assayed by using enzyme-linked immunosorbent assay, and the size of cervical lymph nodes was measured...
December 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27918306/targeting-integrin-%C3%AE-5%C3%AE-1-ameliorates-severe-airway-hyperresponsiveness-in-experimental-asthma
#7
Aparna Sundaram, Chun Chen, Amin Khalifeh-Soltani, Amha Atakilit, Xin Ren, Wenli Qiu, Hyunil Jo, William DeGrado, Xiaozhu Huang, Dean Sheppard
Treatment options are limited for severe asthma, and the need for additional therapies remains great. Previously, we demonstrated that integrin αvβ6-deficient mice are protected from airway hyperresponsiveness, due in part to increased expression of the murine ortholog of human chymase. Here, we determined that chymase protects against cytokine-enhanced bronchoconstriction by cleaving fibronectin to impair tension transmission in airway smooth muscle (ASM). Additionally, we identified a pathway that can be therapeutically targeted to mitigate the effects of airway hyperresponsiveness...
December 5, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27918096/back-cover-story-eur-j-immunol-12-16
#8
(no author information available yet)
Our back cover features an H&E stained biopsy section from a patient with eosinophilic myocarditis. Countless heart-infiltrating eosinophils with bright pink granules and bi-lobed nuclei are visible between large, striated cardiomyocytes. In addition, T cells and macrophages are infiltrating the heart. This image relates to the article by Diny et al. (pp. 2749-2760), in which the authors analyze the pathway required for eosinophil trafficking to the heart by examining heart biopsies from myocarditis patients and a murine myocarditis model...
December 2016: European Journal of Immunology
https://www.readbyqxmd.com/read/27916728/differential-response-to-intrahippocampal-interleukin-4-interleukin-13-in-aged-and-exercise-mice
#9
Alyssa Littlefield, Rachel A Kohman
Normal aging is associated with low-grade neuroinflammation that results from age-related priming of microglial cells. Further, aging alters the response to several anti-inflammatory factors, including interleukin (IL)-4 and IL-13. One intervention that has been shown to modulate microglia activation in the aged brain, both basally and following an immune challenge, is exercise. However, whether engaging in exercise can improve responsiveness to anti-inflammatory cytokines is presently unknown. The current study evaluated whether prior exercise training increases sensitivity to anti-inflammatory cytokines that promote the M2 (alternative) microglia phenotype in adult (5-month-old) and aged (23-month-old) C57BL/6J mice...
December 1, 2016: Neuroscience
https://www.readbyqxmd.com/read/27916586/selaginella-uncinata-flavonoids-ameliorated-ovalbumin-induced-airway-inflammation-in-a-rat-model-of-asthma
#10
Bing Yu, Wei Cai, Huan-Huan Zhang, Yu-Sen Zhong, Jie Fang, Wen-You Zhang, Li Mo, Lu-Chen Wang, Chen-Huan Yu
ETHNOPHARMACOLOGICAL RELEVANCE: Selaginella uncinata (Desv.) Spring, known as "Cuiyuncao" is a perennial herb widely distributed in the Southeast Asian countries. In the folk medicine, the local minority commonly use it to treat cough and asthma for centuries. AIM OF THE STUDY: This study was carried out to investigate the protective mechanisms of total flavonoids from S. uncinata (SUF) on airway hyperresponsiveness, cytokine release and bitter taste receptors (T2Rs) signaling with emphasis on inflammatory responses in a rat model of ovalbumin (OVA)-induced asthma...
December 1, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27916086/-recombinant-adenovirus-type-5-does-not-aggravate-asthma-symptoms-in-a-mouse-model-of-ovalbumin-induced-asthma
#11
Zhengling Zhang, Yiling Zhang, Jing Han, Ping Lu, Lin Xu
Objective To explore the effect of recombinant adenovirus type 5 (rAd5) on a mouse model of ovalbumin (OVA)-induced asthma. Methods Sixty female C57BL/6 mice (6-8 weeks old and 18-20 g) were randomly divided into 4 groups: healthy control group, rAd5 control group, OVA asthma control group and OVA asthma group with rAd5 immunization. 15 mice in each group. The mice in the OVA asthma control group and the OVA asthma group with rAd5 immunization were sensitized by intraperitoneal injection of 50 μg OVA emulsified in 2 mg of aluminum potassium sulfate on day 0, 7 and 14; subsequently, the mice in the two groups were exposed to OVA aerosol challenge for 3 consecutive days (on day 42, 43 and 44)...
December 2016: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/27916079/-role-and-mechanism-of-th17-treg-in-obstructive-sleep-apnea-hypopnea-syndrome
#12
Y Liu, Y C Gu, Y Tang, X L Lü, H Chen, Q Z Wu
Objective: To explore the role and the mechanism of Th17/Treg in obstructive sleep apnea hypopnea syndrome (OSAHS). Methods: A total of 100 patients who completed polysomnography (PSG) in the sleep lab of Affiliated Wujiang Hospital of Nantong University from Mar. 2015 to Apr. 2016 were enrolled and divided into four groups (primary snoring as the control group, mild OSAHS, moderate OSAHS and severe OSAHS) according apnea hypopnea index (AHI). The proportion of Th17, Treg (of CD4(+) T cells) and the expression of interleukin (IL)-17A, IL-6 were detected and the relevant data were analyzed by the correlation analysis and the multiple stepwise regression analysis...
November 29, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27915477/treadmill-exercise-improves-memory-function-depending-on-circadian-rhythm-changes-in-mice
#13
Dong Sup Hwang, Hyo Bum Kwak, Il Gyu Ko, Sung Eun Kim, Jun Jang Jin, Eun Sang Ji, Hyun Hee Choi, Oh Young Kwon
PURPOSE: Exercise enhances memory function by increasing neurogenesis in the hippocampus, and circadian rhythms modulate synaptic plasticity in the hippocampus. The circadian rhythm-dependent effects of treadmill exercise on memory function in relation with neurogenesis were investigated using mice. METHODS: The step-down avoidance test was used to evaluate short-term memory, the 8-arm maze test was used to test spatial learning ability, and 5-bromo-2'-deoxyuridine immunofluorescence was used to assess neurogenesis...
November 2016: International Neurourology Journal
https://www.readbyqxmd.com/read/27914455/mediators-and-biomarkers-of-inflammation-in-meningitis-cytokine-and-peptidome-profiling-of-cerebrospinal-fluid
#14
A A Belogurov, O M Ivanova, Y A Lomakin, R H Ziganshin, M I Vaskina, V D Knorre, E A Klimova, A G Gabibov, V T Ivanov, V M Govorun
Differential diagnosis of bacterial and viral meningitis is an urgent problem of the modern clinical medicine. Early and accurate detection of meningitis etiology largely determines the strategy of its treatment and significantly increases the likelihood of a favorable outcome for the patient. In the present work, we analyzed the peptidome and cytokine profiles of cerebrospinal fluid (CSF) of 17 patients with meningitis of bacterial and viral etiology and of 20 neurologically healthy controls. In addition to the identified peptides (potential biomarkers), we found significant differences in the cytokine status of the CSF of the patients...
November 2016: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/27914285/human-parechovirus-and-enterovirus-initiate-distinct-cns-innate-immune-responses-pathogenic-and-diagnostic-implications
#15
Danielle Fortuna, Ana María Cárdenas, Erin H Graf, Larry A Harshyne, D Craig Hooper, Michael Prosniak, John Shields, Mark T Curtis
BACKGROUND: Human parechovirus (HPeV) and enterovirus (EV) cause a range of human diseases including serious CNS infections. Little is known regarding the immune response to HPeV meningitis compared to EV meningitis or how the immune response to HPeV reflects its pathogenesis. OBJECTIVE: To characterize the innate immune response to HPeV CNS infection in order to increase our understanding of HPeV pathogenesis and possibly help identify HPeV in the clinical setting...
November 23, 2016: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/27914219/immune-protection-duration-and-efficacy-stability-of-dna-vaccine-encoding-eimeria-tenella-ta4-and-chicken-il-2-against-coccidiosis
#16
Xiaokai Song, Xiaofang Zhao, Lixin Xu, Ruofeng Yan, Xiangrui Li
In our previous study, an effective DNA vaccine encoding Eimeria tenella TA4 and chicken IL-2 was constructed. In the present study, the immunization dose of the DNA vaccine pVAX1.0-TA4-IL-2 was further optimized. With the optimized dose, the dynamics of antibodies induced by the DNA vaccine was determined using indirect ELISA. To evaluate the immune protection duration of the DNA vaccine, two-week-old chickens were intramuscularly immunized twice and the induced efficacy was evaluated by challenging with E...
November 25, 2016: Research in Veterinary Science
https://www.readbyqxmd.com/read/27913199/the-involvement-of-m2-macrophage-polarization-inhibition-in-fenretinide-mediated-chemopreventive-effects-on-colon-cancer
#17
Rong Dong, Yanling Gong, Wen Meng, Meng Yuan, Hong Zhu, Meidan Ying, Qiaojun He, Ji Cao, Bo Yang
Clinical studies have shown that fenretinide (4-HPR) is an attractive chemopreventive agent for cancer treatment. However, to date, few studies have demonstrated the mechanism of the preventive effect of 4-HPR. In our current study, we revealed that 4-HPR could significantly suppress IL-4/IL-13 induced M2-like polarization of macrophages, which was demonstrated by the reduced expression of M2 surface markers, the down-regulation of M2 marker genes, and the inhibition of M2-like macrophages promoted angiogenesis...
November 30, 2016: Cancer Letters
https://www.readbyqxmd.com/read/27912316/th2-cells-in-health-and-disease
#18
Toshinori Nakayama, Kiyoshi Hirahara, Atsushi Onodera, Yusuke Endo, Hiroyuki Hosokawa, Kenta Shinoda, Damon J Tumes, Yoshitaka Okamoto
Helper T (Th) cell subsets direct immune responses by producing signature cytokines. Th2 cells produce IL-4, IL-5, and IL-13, which are important in humoral immunity and protection from helminth infection and are central to the pathogenesis of many allergic inflammatory diseases. Molecular analysis of Th2 cell differentiation and maintenance of function has led to recent discoveries that have refined our understanding of Th2 cell biology. Epigenetic regulation of Gata3 expression by chromatin remodeling complexes such as Polycomb and Trithorax is crucial for maintaining Th2 cell identity...
November 28, 2016: Annual Review of Immunology
https://www.readbyqxmd.com/read/27911420/-role-of-immunological-factors-in-the-development-of-myopic-choroidal-neovascularization
#19
A G Shchuko, N V Zaitseva, T N Yur'eva, E R Chernykh, I M Mikhalevich, A V Grigor'eva
AIM: To study the concentration of cytokines in the aqueous humor of the anterior chamber in patients with myopic choroidal neovascularization (mCNV) and to compare the results to their ophthalmic status. MATERIAL AND METHODS: A total of 19 patients (19 eyes) with mCNV treated with intravitreal ranibizumab were included in the study. The control group consisted of 15 patients (15 eyes) with myopia who had cataract surgery. Age, sex, and refractive error distribution were similar to that in the study group...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27910811/ll-37-hnp-1-and-hbd2-3-modulate-the-secretion-of-cytokines-tnf-%C3%AE-il-6-ifn-%C3%AE-il-10-and-mmp1-in-human-primary-cell-cultures
#20
Carlos Erik Medina Santos, Carmen Nathaly López Hurtado, Bruno Rivas Santiago, Roberto Gonzalez-Amaro, Yolanda Guadalupe Cataño Cañizales, Margarita de la Luz Martínez Fierro, José Antonio Enciso-Moreno, Mariana Haydee García Hernández
The aim of this study was to evaluate the effects of the LL-37, HNP-1 and HBD2/3 peptides on cytokine and MMP production in human polymorphonuclear cells, mononuclear cells and chondrocytes. The levels of cytokines in supernatants from mononuclear and polymorphonuclear cell cultures were measured with a cytometric bead array by flow cytometry. Likewise, the levels of metalloproteinase/MMP-1, 3, and 13 were measured in supernatants from chondrocyte cultures using an ELISA. The expression of RANKL on lymphocytes was analyzed by flow cytometry...
September 1, 2016: European Cytokine Network
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