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https://www.readbyqxmd.com/read/29155425/granulocyte-derived-tnf%C3%AE-promotes-vascular-and-hematopoietic-regeneration-in-the-bone-marrow
#1
Emily Bowers, Anastasiya Slaughter, Paul S Frenette, Rork Kuick, Oscar M Pello, Daniel Lucas
Endothelial cells are a critical component of the bone marrow (BM) stromal network, which maintains and regulates hematopoietic cells. Vascular regeneration precedes, and is necessary for, successful hematopoietic stem cell (HSC) transplantation, the only cure for most hematopoietic diseases. Recent data suggest that mature hematopoietic cells regulate BM stromal-cell function. Whether a similar cross-talk regulates the BM vasculature is not known. Here we found that donor hematopoietic cells act on sinusoidal endothelial cells and induce host blood vessel and hematopoietic regeneration after BM transplantation in mice...
November 20, 2017: Nature Medicine
https://www.readbyqxmd.com/read/29117667/association-of-a-genetic-polymorphism-of-il1rn-with-risk-of-acute-pancreatitis-in-a-korean-ethnic-group
#2
Jin Woo Park, Ja Sung Choi, Ki Joon Han, Sang Heun Lee, Eui Joo Kim, Jae Hee Cho
Background/Aims: Several epidemiological studies have validated the association of interleukin gene polymorphisms with acute pancreatitis (AP) in different populations. However, there have been few studies in Asian ethnic groups. We aimed to investigate the relationships between inflammatory cytokine polymorphisms and AP as pilot research in a Korean ethnic group. Methods: Patients who had been diagnosed with AP were prospectively enrolled. DNA was extracted from whole blood, and DNA sequencing was subsequently performed...
November 10, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29101799/s-allyl-cysteine-improves-clinical-and-neuropathological-features-of-experimental-autoimmune-encephalomyelitis-in-c57bl-6-mice
#3
Hossein Zeinali, Tourandokht Baluchnejadmojarad, Soudabeh Fallah, Mohsen Sedighi, Nariman Moradi, Mehrdad Roghani
Multiple sclerosis (MS) is a deleterious autoimmune and demyelinating disorder of the central nervous system with debilitating sensory and motor complications. There is still no definite cure for it and the main focus for its treatment mostly pivots around subsiding its severity and recurrence. Experimental autoimmune encephalomyelitis (EAE) is an established animal model of MS. S-allyl cysteine (SAC) is the active and main constituent of aged garlic extract with anti-inflammatory and neuroprotective property...
November 1, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29081763/inflammatory-gene-expression-in-whole-peripheral-blood-at-early-stages-of-sporadic-amyotrophic-lateral-sclerosis
#4
Pol Andrés-Benito, Jesús Moreno, Raúl Domínguez, Ester Aso, Mónica Povedano, Isidro Ferrer
OBJECTIVE: Characterization of altered expression of selected transcripts linked to inflammation in the peripheral blood of sporadic amyotrophic lateral sclerosis (sALS) patients at early stage of disease to increase knowledge about peripheral inflammatory response in sALS. METHODS: RNA expression levels of 45 genes were assessed by RT-qPCR in 22 sALS cases in parallel with 13 age-matched controls. Clinical and serum parameters were assessed at the same time. RESULTS: Upregulation of genes coding for factors involved in leukocyte extravasation (ITGB2, INPP5D, SELL, and ICAM1) and extracellular matrix remodeling (MMP9 and TIMP2), as well as downregulation of certain chemokines (CCL5 and CXC5R), anti-inflammatory cytokines (IL10, TGFB2, and IL10RA), pro-inflammatory cytokines (IL-6), and T-cell regulators (CD2 and TRBC1) was found in sALS cases independently of gender, clinical symptoms at onset (spinal, respiratory, or bulbar), progression, peripheral leukocyte number, and integrity of RNA...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29077717/a-polymorphism-in-the-haptoglobin-haptoglobin-related-protein-locus-is-associated-with-risk-of-human-sleeping-sickness-within-cameroonian-populations
#5
Elvis Ofon, Harry Noyes, Julius Mulindwa, Hamidou Ilboudo, Martin Simuunza, Vincent Ebo'o, Flobert Njiokou, Mathurin Koffi, Bruno Bucheton, Pythagore Fogue, Christiane Hertz-Fowler, Annette MacLeod, Gustave Simo
BACKGROUND: Human African Trypanosomiasis (HAT) is a neglected disease targeted for elimination as a public health problem by 2020. Elimination requires a better understanding of the epidemiology and clinical evolution of HAT. In addition to the classical clinical evolution of HAT, asymptomatic carriers and spontaneous cure have been reported in West Africa. A genetic component to human susceptibility to HAT has been suggested to explain these newly observed responses to infection. In order to test for genetic associations with infection response, genetic polymorphism in 17 genes were tested (APOL1, IL1B, IL4, IL4R, IL6, IL8, IL12B, IL12RB1, IL10, TNFA, INFG, MIF, HLA-G, HLA-A, HP, HPR and CFH)...
October 27, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29075910/pyoderma-gangrenosum-and-pyogenic-arthritis-presenting-as-severe-sepsis-in-a-rheumatoid-arthritis-patient-treated-with-golimumab
#6
REVIEW
Anastasia Skalkou, Sofia-Magdalini Manoli, Alexandros Sachinidis, Vasilios Ntouros, Konstantinos Petidis, Eleni Pagkopoulou, Efstratios Vakirlis, Athina Pyrpasopoulou, Theodoros Dimitroulas
Rheumatoid arthritis is a systemic autoimmune disease resulting in joint destruction and deformities, but also associated with extraarticular and systemic manifestations. The later devastating conditions, such as the development of rheumatoid vasculitis, are more frequently encountered in seropositive patients and their incidence has been attenuated after the introduction of biologic disease modifying drugs, such as anti-tumor necrosis factor alpha (TNFa) agents, which generally have considerably contributed to the better control and long-term outcomes of the disease...
October 26, 2017: Rheumatology International
https://www.readbyqxmd.com/read/29059176/candidate-genes-based-investigation-of-susceptibility-to-human-african-trypanosomiasis-in-c%C3%A3-te-d-ivoire
#7
Bernardin Ahouty, Mathurin Koffi, Hamidou Ilboudo, Gustave Simo, Enock Matovu, Julius Mulindwa, Christiane Hertz-Fowler, Bruno Bucheton, Issa Sidibé, Vincent Jamonneau, Annette MacLeod, Harry Noyes, Simon-Pierre N'Guetta
Human African Trypanosomiasis (HAT) or sleeping sickness is a Neglected Tropical Disease. Long regarded as an invariably fatal disease, there is increasing evidence that infection by T. b. gambiense can result in a wide range of clinical outcomes, including latent infections, which are long lasting infections with no parasites detectable by microscopy. The determinants of this clinical diversity are not well understood but could be due in part to parasite or host genetic diversity in multiple genes, or their interactions...
October 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29053126/-effect-of-cytokine-genes-and-season-of-birth-on-personality
#8
M V Alfimova, V E Golimbet, G I Korovaitseva, T V Lezheiko, N V Kondrat'ev, M V Gabaeva
AIM: To evaluate the interaction effects of season of birth and immune system genes on the personality traits 'Novelty seeking' (NS) and 'Self-directedness' (SD). Based on results on an influence of the immune system on the brain processes, the authors hypothesized that the interaction of immune system genes and season of birth, which is relevant for immune phenotype, can contribute to the development of personality traits. MATERIAL AND METHODS: NS and SD were measured in 336 healthy volunteers, aged from 16 to 67 years, using the Temperament and Character Inventory (TCI-125)...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/29041886/-polymorphisms-in-genes-of-cytokines-and-matrix-metalloproteinases-associated-with-ischemic-heart-disease-in-patients-with-type-2-diabetes
#9
V V Klimontov, V A Shevchenko, M D Bulumbaeva, F V Prokof 'ev, I V Konenkov
OBJECTIVE: To examine associations between ischemic heart disease (IHD) and polymorphisms in cytokine genes (IL-1B, IL-4, IL-6, IL-10, TNFA, VEGF) and matrix metalloproteinase genes (MMP2, MMP3, MMP9) in patients with type 2 diabetes. MATERIAL AND METHODS: We studied 232 Caucasian diabetic subjects (33 men and 199 women aged 50-70 years). In 93 patients IHD was verified by treadmill test and/or coronary angiography (86 subjects with stable angina, 19 with previous myocardial infarction)...
August 2017: Kardiologiia
https://www.readbyqxmd.com/read/29040417/neonatal-immune-activation-depletes-the-ovarian-follicle-reserve-and-alters-ovarian-acute-inflammatory-mediators-in-neonatal-rats
#10
Erin A Fuller, Luba Sominsky, Jessie M Sutherland, Kate A Redgrove, Lauren Harms, Eileen A McLaughlin, Deborah M Hodgson
Normal ovarian development is crucial for female reproductive success and longevity. Interruptions to the delicate process of initial folliculogenesis may lead to ovarian dysfunction. We have previously demonstrated that an early life immune challenge in the rat, induced by administration of lipopolysaccharide (LPS) on postnatal day (PND) 3 and 5, depletes ovarian follicle reserve long term. Here, we hypothesised that this neonatal immune challenge leads to an increase in peripheral and ovarian inflammatory signalling, contributing to an acute depletion of ovarian follicles...
October 10, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29037857/exploring-the-role-of-il-32-in-human-immunodeficiency-virus-related-kaposi-sarcoma
#11
George Semango, Bas Heinhuis, Theo S Plantinga, Willeke A M Blokx, Gibson Kibiki, Tolbert Sonda, Daudi Mavura, Elisante John Masenga, Mramba Nyindo, Andre J A M van der Ven, Leo A B Joosten
The intracellular pro-inflammatory mediator interleukin (IL)-32 is associated with tumor progression; however, the mechanisms remain unknown. We studied the IL-32 mRNA expression as well as other pro-inflammatory cytokines and mediators including IL-1α, IL-1β, IL-6, IL-8, tumor necrosis factor (TNF)-α, the pro-angiogenic and anti-apoptotic enzyme COX-2, the IL-8 receptor CXCR1, and the intracellular kinase FAK-1. The interaction of IL-32 expression with expression of IL-6, TNFα, IL-8, and COX-2 was also investigated...
October 13, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29032589/microscopic-assessment-of-the-tissue-sparing-potential-of-radiofrequency-assisted-liver-resection-techniques-in-a-porcine-model
#12
Petros Ypsilantis, Maria Lambropoulou, Miroslav Milicevic, Predrag Bulajic, Anastasios Karayiannakis, Dimitrios Zacharoulis, Constantinos Simopoulos
BACKGROUND: The aim of the present study was to microscopically assess the tissue-sparing potential of contemporary radiofrequency-assisted liver resection (RF-LR) techniques. METHODS: Twenty-four pigs were subjected to either (1) partial hepatectomy (PH) using the sequential-coagulate-cut (SCC) technique (group SCC, n = 6) using a monopolar electrode, the technique using the bipolar electrode Habib-4X (group H, n = 6) or the "crush-clamp" technique (group CC, n = 6); or (2) sham operation (group Sham, n = 6)...
October 15, 2017: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/29017945/healing-and-mucosal-immunity-in-the-skin-of-experimentally-wounded-gilthead-seabream-sparus-aurata-l
#13
Diana Ceballos-Francisco, Héctor Cordero, Francisco A Guardiola, Alberto Cuesta, María Ángeles Esteban
Skin lesions are very common in fisheries, increasing the risk of pathogens entering through the wounded skin of the fish. In the present assay, the progression of wound healing was studied over a 7 day period in gilthead seabream (Sparus aurata L.) after making experimental wounds in two different locations: above (group A) or below (group B) the lateral line. Macroscopic observation confirmed faster wound healing of the wounds of fish from group B. Furthermore, several immune-related components were studied in the skin mucus of wounded fish to ascertain whether wounding altered the mucus composition compared with the values obtained from non-wounded fish (group C, control)...
October 7, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28993314/mecp2-regulates-tnfa-during-zebrafish-embryonic-development-and-acute-inflammation
#14
M van der Vaart, O Svoboda, B G Weijts, R Espín-Palazón, V Sapp, T Pietri, M Bagnat, A R Muotri, D Traver
Mutations in MECP2 cause Rett syndrome, a severe neurological disorder with autism-like features. Duplication of MECP2 also causes severe neuropathology. Both diseases display immunological abnormalities that suggest a role for MeCP2 in controlling immune and inflammatory responses. Here, we used mecp2-null zebrafish to study the potential function of Mecp2 as an immunological regulator. Mecp2-deficiency resulted in an increase in neutrophil infiltration and upregulated expression of the pro- and anti-inflammatory cytokines Il1b and Il10 as a secondary response to disturbances in tissue homeostasis...
October 9, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28984536/airway-injury-in-an-in-vitro-human-epithelium-fibroblast-model-of-diacetyl-vapor-exposure-diacetyl-induced-basal-suprabasal-spongiosis
#15
William M Gwinn, Gordon P Flake, Ronald W Bousquet, Genie J Taylor, Daniel L Morgan
Inhalation exposure to diacetyl (DA) is associated with obliterative bronchiolitis (OB) in workers and induces OB-like fibrotic airway lesions in rats. The pathogenesis of OB is poorly understood in part due to complex interactions between airway epithelial, mesenchymal and blood-derived inflammatory cells. DA-induced airway toxicity in the absence of recruited-inflammatory/immune cells was characterized using an air-liquid interface (ALI) model consisting of human airway epithelium with (Epi/FT) and without (Epi) a mesenchymal component...
June 2017: Inhalation Toxicology
https://www.readbyqxmd.com/read/28965181/expression-of-mif-and-tnfa-in-psoriatic-arthritis-relationship-with-th1-th2-th17-cytokine-profiles-and-clinical-variables
#16
L A Bautista-Herrera, U De la Cruz-Mosso, R Morales-Zambrano, G D Villanueva-Quintero, J Hernández-Bello, M G Ramírez-Dueñas, E Martínez-López, L M Brennan-Bourdon, C J Baños-Hernández, J F Muñoz-Valle
Psoriatic arthritis (PsA) is an autoimmune inflammatory disease associated with psoriasis. The cause of this pathology is still unknown, but research suggests the diseases are caused by a deregulated cytokine production. MIF is a cytokine associated with immunomodulation of Th1, Th2, and Th17 cytokine profiles in inflammatory diseases. Based on this knowledge, the aim of this study was to determine the association of MIF and TNFA expression with Th1, Th2, and Th17 cytokine profiles in serum levels of PsA patients...
September 30, 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/28923356/retracted-subcutaneous-injections-of-aluminum-at-vaccine-adjuvant-levels-activate-innate-immune-genes-in-mouse-brain-that-are-homologous-with-biomarkers-of-autism
#17
Dan Li, Lucija Tomljenovic, Yongling Li, Christopher A Shaw
No abstract text is available yet for this article.
September 5, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28921708/scopoletin-supplementation-ameliorates-steatosis-and-inflammation-in-diabetic-mice
#18
Ra-Yeong Choi, Ju Ri Ham, Hae-In Lee, Hyun Wook Cho, Myung-Sook Choi, Seok-Kyu Park, Jin Lee, Myung-Joo Kim, Kwon-Il Seo, Mi-Kyung Lee
Scopoletin is a bioactive component in many edible plants and fruits. This study investigated the effects of scopoletin on hepatic steatosis and inflammation in a high-fat diet fed type 1 diabetic mice by comparison with metformin. Scopoletin (0.01%, w/w) or metformin (0.5%, w/w) was provided with a high-fat diet to streptozotocin-induced diabetic mice for 11 weeks. Both scopoletin and metformin lowered blood glucose and HbA1c , serum ALT, TNF-α and IL-6 levels, glucose intolerance, and hepatic lipid accumulation compared with the diabetic control group...
September 18, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28895093/sirna-mediated-rna-interference-in-precision-cut-tissue-slices-prepared-from-mouse-lung-and-kidney
#19
Mitchel J R Ruigrok, Nalinie Maggan, Delphine Willaert, Henderik W Frijlink, Barbro N Melgert, Peter Olinga, Wouter L J Hinrichs
Small interfering RNA (siRNA)-mediated RNAi interference (RNAi) is a powerful post-transcriptional gene silencing mechanism which can be used to study the function of genes in vitro (cell cultures) and in vivo (animal models). However, there is a translational gap between these models. Hence, there is a need for novel experimental models that combine the advantages of in vitro and in vivo models (e.g., simplicity, flexibility, throughput, and representability) to study the effects of siRNA. This need may be addressed by precision-cut tissue slices (PCTS), which represent an ex vivo model that mimics the structural and functional characteristics of a whole organ...
November 2017: AAPS Journal
https://www.readbyqxmd.com/read/28885456/tumor-necrosis-factor-alpha-secreted-from-oral-squamous-cell-carcinoma-contributes-to-cancer-pain-and-associated-inflammation
#20
Nicole N Scheff, Yi Ye, Aditi Bhattacharya, Justin MacRae, Dustin N Hickman, Atul K Sharma, John C Dolan, Brian L Schmidt
Patients with oral cancer report severe pain during function. Inflammation plays a role in the oral cancer microenvironment; however, the role of immune cells and associated secretion of inflammatory mediators in oral cancer pain has not been well defined. In this study, we used 2 oral cancer mouse models: a cell line supernatant injection model and the 4-nitroquinoline-1-oxide (4NQO) chemical carcinogenesis model. We used the 2 models to study changes in immune cell infiltrate and orofacial nociception associated with oral squamous cell carcinoma (oSCC)...
December 2017: Pain
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