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https://www.readbyqxmd.com/read/29236393/validation-of-biological-activity-testing-procedure-of-recombinant-human-interleukin-7
#1
T N Lutsenko, M V Kovalenko, O Yu Galkin
Validation procedure for method of monitoring the biological activity of reсombinant human interleukin-7 has been developed and conducted according to the requirements of national and international recommendations. This method is based on the ability of recombinant human interleukin-7 to induce proliferation of T lymphocytes. It has been shown that to control the biological activity of recombinant human interleukin-7 peripheral blood mononuclear cells (PBMCs) derived from blood or cell lines can be used. Validation charac­teristics that should be determined depend on the method, type of product or object test/measurement and biological test systems used in research...
January 2017: Ukrainian Biochemical Journal
https://www.readbyqxmd.com/read/29236338/inflammatory-cytokine-and-c-reactive-protein-concentrations-in-dogs-with-systemic-inflammatory-response-syndrome
#2
Kris Gommeren, Isabelle Desmas, Alexandra Garcia, Natalie Bauer, Andreas Moritz, Joachim Roth, Dominique Peeters
OBJECTIVE: To evaluate C-reactive protein (CRP), interleukin 6 (IL-6), and tumor necrosis factor alpha (TNF-α) kinetics in dogs with a systemic inflammatory response syndrome (SIRS) presented to an emergency service. We hypothesized serum CRP concentrations would increase and vary during hospitalization, and would correlate with plasma IL-6 and TNF-α concentrations, vary in magnitude according to the underlying disease, and predict survival. DESIGN: Prospective, observational, clinical study...
December 13, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/29236307/interleukin-4-induces-a-cd44high-cd49bhigh-pc3-subpopulation-with-tumor-initiating-characteristics
#3
Holger H H Erb, Fabian Guggenberger, Frédéric R Santer, Zoran Culig
Pro- and anti-inflammatory cytokines may influence proliferation, migration, invasion and other cellular events of prostate cancer (PCa) cells. The hyaluronan receptor CD44, which is regulated by Interleukin (IL)-4, is a prostate basal cell marker. CD44high /CD49bhigh expressing cells have been demonstrated to have tumor-initiating characteristics. Here, we aimed to analyze the effects of long-term IL-4 treatment on CD44/CD49b expression, migration, proliferation and clonogenic potential of basal-like PCa cells...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236227/loss-of-vascular-expression-of-nucleoside-triphosphate-diphosphohydrolase-1-cd39-in-hypertension
#4
Charlotte Roy, Julie Tabiasco, Antoine Caillon, Yves Delneste, Jean Merot, Julie Favre, Anne Laure Guihot, Ludovic Martin, Daniele C Nascimento, Bernhard Ryffel, Simon C Robson, Jean Sévigny, Daniel Henrion, Gilles Kauffenstein
Ectonucleoside triphosphate diphosphohydrolase-1, the major vascular/immune ectonucleotidase, exerts anti-thrombotic and immunomodulatory actions by hydrolyzing extracellular nucleotides (danger signals). Hypertension is characterized by vascular wall remodeling, endothelial dysfunction, and immune infiltration. Here our aim was to investigate the impact of arterial hypertension on CD39 expression and activity in mice. Arterial expression of CD39 was determined by reverse transcription quantitative real-time PCR in experimental models of hypertension, including angiotensin II (AngII)-treated mice (1 mg/kg/day, 21 days), deoxycorticosterone acetate-salt mice (1% salt and uninephrectomy, 21 days), and spontaneously hypertensive rats...
December 13, 2017: Purinergic Signalling
https://www.readbyqxmd.com/read/29235656/nonalcoholic-fatty-liver-disease-in-patients-with-psoriasis-a-consequence-of-systemic-inflammatory-burden
#5
REVIEW
R B Prussick, L Miele
Patients with psoriasis are at an increased risk for nonalcoholic fatty liver disease (NAFLD) compared to the general population. However, the pathophysiology underlying this comorbidity and elucidation of effective treatment strategies are unclear. This review provides insights into the possible role of chronic, low-grade inflammation in the pathogenesis of NAFLD in patients with psoriasis. Both conditions are associated with increased levels of pro-inflammatory adipokines (such as tumor necrosis factor-α and interleukin-6), and hepatokines, and decreased levels of adiponectin, an anti-inflammatory adipokine...
December 13, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/29235580/corrigendum-interleukin-7-induces-osteoclast-formation-via-stat5-independent-of-receptor-activator-of-nf-kappab-ligand
#6
Jin-Hee Kim, Ji Hyun Sim, Sunkyung Lee, Min A Seol, Sang-Kyu Ye, Hyun Mu Shin, Eun Bong Lee, Yun Jong Lee, Yun Jung Choi, Wan-Hee Yoo, Jin Hyun Kim, Wan-Uk Kim, Dong-Sup Lee, Jin-Hong Kim, Insoo Kang, Seong Wook Kang, Hang-Rae Kim
[This corrects the article on p. 1376 in vol. 8, PMID: 29104576.].
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29235551/interleukin-1%C3%AE-induces-human-cementoblasts-to-support-osteoclastogenesis
#7
Nam C-N Huynh, Vincent Everts, Prasit Pavasant, Ruchanee S Ampornaramveth
Injury of the periodontium followed by inflammatory response often leads to root resorption. Resorption is accomplished by osteoclasts and their generation may depend on an interaction with the cells in direct contact with the root, the cementoblasts. Our study aimed to investigate the role of human cementoblasts in the formation of osteoclasts and the effect of interleukin (IL)-1β hereupon. Extracted teeth from healthy volunteers were subjected to sequential digestion by type I collagenase and trypsin. The effect of enzymatic digestion on the presence of cells on the root surface was analyzed by histology...
December 13, 2017: International Journal of Oral Science
https://www.readbyqxmd.com/read/29235373/pro-inflammatory-cytokine-induced-lipolysis-after-an-episode-of-acute-pancreatitis
#8
Sayali A Pendharkar, Ruma G Singh, Maxim S Petrov
CONTEXT: Pro-inflammatory cytokine-stimulated lipolysis is one of the mechanisms underlying the pathogenesis of type 2 diabetes. However, whether it plays a role in the pathogenesis of post-pancreatitis diabetes mellitus (PPDM) remains unknown. OBJECTIVE: To investigate the associations between markers of lipid metabolism and pro-inflammatory cytokines in individuals after acute pancreatitis (AP) in general, and in individuals with abnormal glucose metabolism (AGM) following AP in particular...
December 13, 2017: Archives of Physiology and Biochemistry
https://www.readbyqxmd.com/read/29235283/-effect-of-proinflammatory-factors-tnf-%C3%AE-il-1%C3%AE-il-6-on-neuropathic-pain
#9
REVIEW
Qiu-Yue Li, Hai-Yu Xu, Hong-Jun Yang
Cytokines can be divided into two types: proinflammatory cytokines and anti-inflammatory cytokines. Proinflammatory cytokines are a kind of small molecular peptides synthesized and excreted by immune and non-immune cells, which can regulate a variety of physiological functions and play an important role in the process of trauma, pain and infection. Proinflammatory cytokines include TNF, IL-1, IL-6 and IL-8. More and more evidences suggest that proinflammatory cytokines(PICs), such as interleukin-1β(IL-1β), interleukin-6(IL-6) and tumor necrosis factor-α(TNF-α), are induced in the spinal cord(SC) and dorsal root ganglion (DRG) under various injury conditions, and contribute to pain hypersensitivity...
October 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29235214/the-effect-of-administration-of-copper-nanoparticles-to-chickens-in-their-drinking-water-on-the-immune-and-antioxidant-status-of-the-blood
#10
Katarzyna Ognik, Iwona Sembratowicz, Ewelina Cholewińska, Jan Jankowski, Krzysztof Kozłowski, Jerzy Juśkiewicz, Zenon Zduńczyk
The aim of this experiment was to determine what dosage of copper (Cu) nanoparticles, added to a standard dietary supplementation with copper sulfate, would improve antioxidant and immune defense in chickens. The experiment was conducted with 126 broiler chickens assigned to seven treatments with three pens per treatment and six broiler chickens per pen. The basal-diet treatment did not receive Cu nanoparticles (nano-Cu) and as shown by analyses it was Cu-deficient (-29% vs. National Research Council (NRC) recommendations; 5...
December 12, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29235178/the-gp130-cytokine-il-11-regulates-engraftment-of-vav1-hematopoietic-stem-and-progenitor-cells-in-lethally-irradiated-recipients
#11
Serena De Vita, Yanhua Li, Chad E Harris, Meaghan K McGuinness, Clement Ma, David A Williams
During bone marrow transplantation (BMT), hematopoietic stem and progenitor cells (HSPCs) respond to signals from the hematopoietic microenvironment (HM) by coordinately activating molecular pathways through Rho GTPases, including Rac. We have previously shown that deletion of Vav1, a hematopoietic-specific activator of Rac, compromises engraftment of transplanted adult HSPCs without affecting steady-state hematopoiesis in adult animals. Here, we show that Vav1-/- fetal HSPCs can appropriately seed hematopoietic tissues during ontogeny but cannot engraft into lethally irradiated recipients...
December 13, 2017: Stem Cells
https://www.readbyqxmd.com/read/29235163/ultraviolet-b-eye-irradiation-aggravates-atopic-dermatitis-via-acth-and-nlrp3-inflammasome-in-nc-nga-mice
#12
Keiichi Hiramoto, Yurika Yamate, Satoshi Yokoyama
BACKGROUND: Ultraviolet (UV) B irradiation has been shown to improve atopic dermatitis (AD). However, the relationship between UVB eye irradiation and AD is not known. This issue was addressed using a mouse model of AD. METHODS: The eyes of NC/Nga mice were irradiated with UVB at a dose of 1.0 kJ/m2 using a 20SE sunlamp for the duration of the experimental period. RESULTS: AD symptoms deteriorated upon UVB eye irradiation. The levels of adrenocorticotropic hormone (ACTH) in the plasma and nucleotide-binding domain and leucine-rich-containing family, pyrin domain-containing (NLRP)3 and neutrophil markers in the skin were increased in UVB-irradiated mice...
December 13, 2017: Photodermatology, Photoimmunology & Photomedicine
https://www.readbyqxmd.com/read/29235095/immune-cells-regulate-vegf-signaling-via-release-of-vegf-and-antagonistic-soluble-vegf-receptor-1
#13
Timm Hoeres, Martin Wilhelm, Manfred Smetak, Elisabeth Holzmann, Gundula Schulze-Tanzil, Josef Birkmann
Vascular endothelial growth factor (VEGF) is an important regulator of physiological and pathological angiogenesis. Beside malignant and stromal cells, local immune cells shape VEGF signaling in the tumor microenvironment. Aminobisphosphonates like zoledronic acid (Zol) are drugs known to inhibit osteoclast activity and bone resorption, but also have immunomodulatory and anti-tumor effects. These properties have previously been linked to the downregulation of VEGF and interference with tumor neo-angiogenesis...
December 13, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/29234980/low-dose-interleukin-2-as-a-modulator-of-treg-homeostasis-after-hsct-current-understanding-and-future-perspectives
#14
REVIEW
Ken-Ichi Matsuoka
CD4+CD25+Foxp3+ Treg is a functionally distinct subset of mature T cells with broad suppressive activity and has been shown to play an important role in the establishment of immune tolerance after HSCT. Altered cytokine environment in post-HSCT lymphopenia with a relative functional deficiency of IL-2 could hamper the reconstitution of Treg, leading to refractory GVHD. Based on the theory of low-dose IL-2 in which Treg can be selectively stimulated through the high-affinity IL-2 receptor, clinical studies have been conducted and demonstrated that low-dose IL-2 administration can restore Treg homeostasis and promote the expansion of this subset on the polymorphic processes of Treg reconstitution after HSCT...
December 12, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/29234642/ureaplasma-species-differentially-modulate-pro-and-anti-inflammatory-cytokine-responses-in-newborn-and-adult-human-monocytes-pushing-the-state-toward-pro-inflammation
#15
Kirsten Glaser, Christine Silwedel, Markus Fehrholz, Ana M Waaga-Gasser, Birgit Henrich, Heike Claus, Christian P Speer
Background:Ureaplasma species have been associated with chorioamnionitis and preterm birth and have been implicated in the pathogenesis of neonatal short and long-term morbidity. However, being mostly commensal bacteria, controversy remains on the pro-inflammatory capacity of Ureaplasma. Discussions are ongoing on the incidence and impact of prenatal, perinatal, and postnatal infection. The present study addressed the impact of Ureaplasma isolates on monocyte-driven inflammation. Methods: Cord blood monocytes of term neonates and adult monocytes, either native or LPS-primed, were cultured with Ureaplasma urealyticum (U...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/29234571/measurement-of-elevated-il-37-levels-in-acute-ischemic-brain-injury-a-cross-sectional-pilot-study
#16
Atif Zafar, Asad Ikram, Dinesh V Jillella, Duraisamy Kempuraj, Mohammad Moshahid Khan, Saif Bushnaq, Harold Adam, Santiago Ortega-Gutierrez, Syed A Quadri, Mudassir Farooqui, Asgar Zaheer, Enrique C Leira
Interleukin (IL)-37 is a new member of the IL-1 cytokine family with a defined role as a negative feedback inhibitor of proinflammatory responses. IL-37 has yet to be evaluated in non-immune-mediated neurological diseases, such as ischemic or hemorrhagic strokes. This study aimed to measure urine and serum IL-37 levels in patients with ischemic stroke. Twelve patients consented for our study. Two sets of serum and urine samples were obtained and analyzed, one upon admission to the hospital and the second the next morning...
October 11, 2017: Curēus
https://www.readbyqxmd.com/read/29234444/the-effects-of-thai-herbal-ha-rak-formula-on-cox-isoform-expression-in-human-umbilical-vein-endothelial-cells-induced-by-il-1%C3%AE
#17
Titchaporn Palo, Athiwat Thaworn, Phornnapa Charoenkij, Onusa Thamsermsang, Sirikul Chotewuttakorn, Pinpat Tripatara, Tawee Laohapand, Pravit Akarasereenont
Objective: To investigate the modulated effects of HRF on cyclooxygenase isoform expression and its activity, using the human umbilical vein endothelial cell (HUVEC) model induced by interleukin-1 beta (IL-1β). Methods: Cells were treated with indomethacin (positive control), HRF, and its components at various concentrations prior to treatment with IL-1β at 24 h. Cell viability was determined by MTT assay. Moreover, the anti-inflammatory effects of HRF and its components through mRNA and protein expression were established using real-time quantitative PCR and Western blot, respectively...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29234441/euphorbia-kansui-attenuates-insulin-resistance-in-obese-human-subjects-and-high-fat-diet-induced-obese-mice
#18
Seung-Wook Lee, Hyun-Young Na, Mi Hyeon Seol, Mia Kim, Byung-Cheol Lee
Background: Obesity is a main cause of insulin resistance (IR), metabolic syndrome, and fatty liver diseases. This study evaluated Euphorbia kansui radix (Euphorbia) as a potential treatment option for obesity and obesity-induced IR in obese human and high-fat diet- (HFD-) induced obese mice. Methods: In the human study, we analyzed the body weight change of 14 patients who took a single dose of 6 g of Euphorbia powder. In the animal study, male mice were divided into three groups: normal chow, HFD, and Euphorbia (high-fat diet and 100 mg/Kg Euphorbia once per week)...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29234430/antidyslipidemic-anti-inflammatory-and-antioxidant-activities-of-aqueous-leaf-extract-of-dioscoreophyllum-cumminsii-stapf-diels-in-high-fat-diet-fed-rats
#19
O B Ibitoye, U M Ghali, J B Adekunle, J N Uwazie, T O Ajiboye
Dioscoreophyllum cumminsii (Stapf) Diels leaves are widely used in the treatment of diabetes, obesity, and cardiovascular related complications in Nigeria. This study investigates the anti-inflammatory and antiobesity effect of aqueous extract of Dioscoreophyllum cumminsii leaves in high-fat diet- (HFD-) induced obese rats. HFD-fed rats were given 100, 200, and 400 mgkg-1 body weight of aqueous extract of Dioscoreophyllum cumminsii leaves for 4 weeks starting from 9th week of HFD treatment. D. cumminsii leaves aqueous extract reversed HFD-mediated decrease in the activities of superoxide dismutase, catalase, glutathione peroxidase, glutathione reductase, and glucose 6-phosphate dehydrogenase...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29234378/antibiofilm-and-anti-inflammatory-activities-of-houttuynia-cordata-decoction-for-oral-care
#20
Yasuko Sekita, Keiji Murakami, Hiromichi Yumoto, Kouji Hirao, Takashi Amoh, Natsumi Fujiwara, Katsuhiko Hirota, Hideki Fujii, Takashi Matsuo, Yoichiro Miyake, Yoshiki Kashiwada
Dental biofilms that form in the oral cavity play a critical role in the pathogenesis of several infectious oral diseases, including dental caries, periodontal disease, and oral candidiasis. Houttuynia cordata (HC, Saururaceae) is a widely used traditional medicine, for both internal and external application. A decoction of dried HC leaves (dHC) has long been consumed as a health-promoting herbal tea in Japan. We have recently reported that a water solution of HC poultice ethanol extract (wHCP) exerts antimicrobial and antibiofilm effects against several important oral pathogens...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
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