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psoriasis vascular inflammation

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https://www.readbyqxmd.com/read/28286061/tnf-alpha-antagonist-and-vascular-inflammation-in-patients-with-psoriasis-vulgaris-a-randomized-placebo-controlled-study
#1
Robert Bissonnette, François Harel, James G Krueger, Marie-Claude Guertin, Malorie Chabot-Blanchet, Juana Gonzalez, Catherine Maari, Isabelle Delorme, Charles W Lynde, Jean-Claude Tardif
BACKGROUND: Vascular inflammation is increased in patients with psoriasis. PURPOSE: This randomized, double-blind, multicenter study evaluated the effects of the tumor necrosis factor alpha (TNF-α) antagonist adalimumab on vascular inflammation in patients with psoriasis. METHOD: 107 patients were randomized (1:1) to receive adalimumab for 52 weeks OR placebo for 16 weeks followed by adalimumab for 52 weeks. Vascular inflammation was assessed with positron emission tomography-computed tomography...
March 9, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28280792/inhibition-of-interleukin-17-a-but-not-interleukin-17f-signaling-lowers-blood-pressure-and-reduces-end-organ-inflammation-in-angiotensin-ii-induced-hypertension
#2
Mohamed A Saleh, Allison E Norlander, Meena S Madhur
OBJECTIVES: To characterize the T cell subsets producing interleukin 17 (IL-17) isoforms A and F in hypertensive kidneys and vessels and determine whether inhibition of IL-17 signaling lowers blood pressure and end-organ damage in a mouse model of hypertension. BACKGROUND: T cell derived cytokines play a central role in the pathophysiology of hypertension and contribute to end-organ dysfunction. We previously showed that mice genetically deficient in IL-17A exhibited blunted hypertension and reduced renal and vascular dysfunction in response to angiotensin II (Ang II) infusion...
December 2016: JACC. Basic to Translational Science
https://www.readbyqxmd.com/read/28258057/psoriasis-as-a-human-model-of-disease-to-study-inflammatory-atherogenesis
#3
Charlotte L Harrington, Amit K Dey, Raza Yunus, Aditya A Joshi, Nehal N Mehta
Inflammation is known to play a significant role in the process of atherogenesis and cardiovascular disease (CVD). Indeed, patients with chronic inflammatory diseases are at increased risk for cardiovascular events. The mechanisms linking chronic inflammation and CVD however remain poorly understood. Psoriasis, a chronic inflammatory skin disease associated with a greater risk of early cardiovascular events, provides a suitable human model to study the pathophysiology of inflammatory atherogenesis in humans...
March 3, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28178365/development-and-clinical-validation-of-a-novel-photography-based-skin-erythema-evaluation-system-a-comparison-with-the-calculated-consensus-of-dermatologists
#4
M Cho, D-H Lee, E J Doh, Y Kim, J H Chung, H C Kim, S Kim
Erythema is the most common presenting sign of skin conditions [1,2]. Erythema reflects the degree of inflammation associated with various diseases, such as atopic dermatitis, psoriasis, and lupus erythematosus; it is also cosmetically troublesome in subjects with flushing, rosacea, and photoaging [3,4]. In addition, there are vascular disorders that present with erythema, such as nevus flammeus, telangiectasia, and post-acne erythema [5]. Various therapeutic devices, medicines, and cosmetics have been developed to improve these dermatological conditions [6,7]...
February 8, 2017: International Journal of Cosmetic Science
https://www.readbyqxmd.com/read/28162227/angiogenesis-in-dermatology-insights-of-molecular-mechanisms-and-latest-developments
#5
N A Richarz, A Boada, J M Carrascosa
Angiogenesis is the growth of new blood vessels from pre-existing vessels. It is a biological process essential in physiological wound healing or pathological inflammation and tumor growth, which underlies a complex interplay of stimulating and inhibiting signals. Extracellular matrix, cells of innate and adaptive immunity and endothelial cells itself are a major source of angiogenic factors that activate or inhibit specific receptors and consequently influence intracellular signaling pathways. Most inflammatory and neoplastic diseases in dermatology are characterized by excessive angiogenesis, such as psoriasis, atopic dermatitis, as well as melanoma, non-melanoma skin cancer, but also benign vascular neoplasia...
February 2, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28110689/cannabinoids-possible-agents-for-treatment-of-psoriasis-via-suppression-of-angiogenesis-and-inflammation
#6
Amir Hossein Norooznezhad, Fatemeh Norooznezhad
Psoriasis is a chronic skin disease also affecting other sites such as joints. This disease highly depends on inflammation and angiogenesis as well as other pathways. At each step of the psoriasis molecular pathway, different inflammatory cytokines and angiogenic growth factors are involved such as hypoxia inducible factor-1 α (HIF-1 α), vascular endothelial growth factor (VEGF), matrix metalo proteinases (MMPs), basic fibroblast growth factor (bFGF), Angiopoitin-2, interleukin-8 (IL-8), IL-17, and IL-2. Beside the mentioned growth factors and cytokines, cellular adhesion molecule 1 (ICAM-1) and vascular cell adhesion molecule-1 (VCAM-1) which play roles in both angiogenesis and inflammation are also involved in the pathogenesis...
February 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28045034/premature-senescence-of-endothelial-cells-upon-chronic-exposure-to-tnf%C3%AE-can-be-prevented-by-n-acetyl-cysteine-and-plumericin
#7
Shafaat Y Khan, Ezzat M Awad, Andre Oszwald, Manuel Mayr, Xiaoke Yin, Birgit Waltenberger, Hermann Stuppner, Markus Lipovac, Pavel Uhrin, Johannes M Breuss
Cellular senescence is characterized by a permanent cell-cycle arrest and a pro-inflammatory secretory phenotype, and can be induced by a variety of stimuli, including ionizing radiation, oxidative stress, and inflammation. In endothelial cells, this phenomenon might contribute to vascular disease. Plasma levels of the inflammatory cytokine tumor necrosis factor alpha (TNFα) are increased in age-related and chronic conditions such as atherosclerosis, rheumatoid arthritis, psoriasis, and Crohn's disease. Although TNFα is a known activator of the central inflammatory mediator NF-κB, and can induce the intracellular generation of reactive oxygen species (ROS), the question whether TNFα can induce senescence has not been answered conclusively...
January 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/27881939/can-pregnancy-associated-plasma-protein-a-be-a-marker-for-the-assessment-of-atherosclerosis-risk-in-patients-with-chronic-plaque-psoriasis
#8
Mualla Polat, Guler Bugdayci, Asli Sahin, Hatice Kaya, Tuna Sezer, Serkan Ozturk
INTRODUCTION: Psoriasis is an immune-mediated chronic inflammatory dermatosis. Several studies have shown that patients with psoriasis have a much greater risk of cardiovascular diseases than the normal population. The chronic inflammation observed in psoriasis is thought to have a role in the development of atherosclerosis and vascular endothelial injury. AIM: To examine serum pregnancy-associated plasma protein-A (PAPP-A) levels, which has been regarded as a marker of early stage atherosclerosis in patients with psoriasis that do not have concurrent conventional cardiovascular risk markers...
October 2016: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/27787888/increased-global-arterial-and-subcutaneous-adipose-tissue-inflammation-in-patients-with-moderate-to-severe-psoriasis
#9
K F Hjuler, L C Gormsen, M H Vendelbo, A Egeberg, J Nielsen, L Iversen
BACKGROUND: Psoriasis is associated with cardiovascular disease; it has been proposed that increased cardiovascular risk is caused by low-grade systemic inflammation involving organs and tissues other than the skin and joints. OBJECTIVES: To investigate signs of vascular inflammation in untreated patients with moderate-to-severe psoriasis assessed by (18) F-fluorodeoxyglucose (FDG) positron emission tomography-computed tomography. A secondary objective was to assess signs of subcutaneous adipose tissue inflammation...
March 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/27718763/inhibitors-of-phospholipase-a2-and-their-therapeutic-potential-an-update-on-patents-2012-2016
#10
REVIEW
Maroula G Kokotou, Dimitris Limnios, Aikaterini Nikolaou, Anastasia Psarra, George Kokotos
The regulation of the catalytic activity of the various phospholipase A2 enzymes is of high importance because these enzymes are involved in various pathological conditions such as arthritis, cardiovascular diseases, neurological diseases, and cancer. Thus, a great effort has been devoted in developing synthetic inhibitors as new agents to treat inflammatory diseases. Some of them have reached clinical trials. Areas covered: This review article discusses the phospholipase A2 inhibitors presented in patent literature from October 2012 to June 2016, their activities in vitro and in vivo as well as the results of clinical trials using synthetic PLA2 inhibitors...
February 2017: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/27706699/increased-mir-155-5p-expression-in-dermal-mesenchymal-stem-cells-of-psoriatic-patients-comparing-the-microrna-expression-profile-by-microarray
#11
R X Hou, R F Liu, X C Zhao, Y R Jia, P An, Z P Hao, J Q Li, X H Li, G H Yin, K M Zhang
Mesenchymal stem cells (MSCs) have pleiotropic immuno-modulatory effects and pro-angiogenic ability, leading to the presumption that MSCs may be involved in the pathogenesis of many inflammatory or autoimmune disorders, including psoriasis. In a previous study, we reported the specific gene expression profile of dermal MSCs from psoriasis. Inflammation- and angiogenesis-related genes, such as lipopolysaccharide-induced tumor necrosis factor-alpha transcription factor (LITAF), dual-specificity protein phosphatase 1 (DUSP1), vascular endothelial growth factor α (VEGFα), and insulin-like growth factor-binding protein-5 (IGFBP5), are abnormally expressed in psoriatic dermal MSCs...
September 2, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27650997/chronic-systemic-inflammation-originating-from-epithelial-tissues
#12
REVIEW
Özge Uluçkan, Erwin F Wagner
Chronic systemic inflammation (CSI) has recently been identified as a major contributor to common diseases ranging from cancer to metabolic disorders and neurologic alterations. In the last decade, we and others have generated genetically engineered mouse models for inflammatory diseases, which enable studying the molecular mechanisms of CSI. Recently, organ cross-talk induced by CSI under homeostatic and pathological conditions has begun to be appreciated. In this review, we will revisit whole organism physiology in relation to CSI originating from epithelial tissues, such as the skin and gut...
September 21, 2016: FEBS Journal
https://www.readbyqxmd.com/read/27633550/microvascular-changes-in-relation-to-inflammation-and-epidermal-hyperplasia-in-chronic-cutaneous-lesions-of-psoriasis-vulgaris
#13
Desanka Výbohová, Katarína Adamicová, Yvetta Mellová, Gabriela Hešková
Epidermal proliferation, inflammatory changes and microvascular augmentation are prominent features of chronic cutaneous psoriatic lesions. The objective of this study was the investigation of blood and lymphatic microvascular changes in relation to epidermal changes and inflammatory infiltration in dermis. Immunohistochemical analysis with antibodies to CD34, podoplanin, vascular endothelial growth factors - A and C (VEGF-A and C) and morphometric software were used for quantification of the following parameters: blood and lymphatic vessel area (BVA and LVA), VEGF - A and VEGF-C positive area, inflammatory cell infiltration in dermis (CIA) and epidermal area (EA)...
May 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/27527600/il-35-decelerates-the-inflammatory-process-by-regulating-inflammatory-cytokine-secretion-and-m1-m2-macrophage-ratio-in-psoriasis
#14
Junfeng Zhang, Yi Lin, Chunlei Li, Xiaomei Zhang, Lin Cheng, Lei Dai, Youcui Wang, Fangfang Wang, Gang Shi, Yiming Li, Qianmei Yang, Xueliang Cui, Yi Liu, Huiling Wang, Shuang Zhang, Yang Yang, Rong Xiang, Jiong Li, Dechao Yu, Yuquan Wei, Hongxin Deng
IL-35 downregulates Th17 cell development and suppresses certain types of autoimmune inflammation such as collagen-induced arthritis and experimental autoimmune uveitis. Psoriasis is thought to be initiated by abnormal interactions between cutaneous keratinocytes and systemic immune cells. However, the role of IL-35 in psoriasis remains unclear. In this study, we assessed IL-35 in three well-known psoriasis models: a human keratinocyte cell line (HaCaT), a keratin 14 (K14)-vascular endothelial growth factor A (VEGF-A)-transgenic (Tg) mouse model, and an imiquimod-induced psoriasis mouse model...
September 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27512358/the-relationship-between-body-mass-index-waist-circumference-and-psoriatic-arthritis-in-the-turkish-population
#15
Dilek Biyik Ozkaya, Nahide Onsun, Bugce Topukçu, Ozlem Su, Anil Gulsel Bahalı, Didem Dizman, Aylin Rezvani, Omer Uysal
INTRODUCTION: Psoriasis is a chronic, immune-mediated inflammatory disease predominantly affecting the skin, with a complex aetiology. Recently it has been suggested that the chronic inflammation of psoriasis may cause metabolic and vascular disorders. The relationship between obesity and psoriatic arthritis (PsA) is not clear, and there are insufficient prospective studies addressing this subject. AIM: To investigate the relationship between psoriatic arthritis, severity of psoriasis and obesity in the Turkish population...
June 2016: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/27473449/increased-risk-of-aortic-aneurysm-aa-in-relation-to-the-severity-of-psoriasis-a-national-population-based-matched-cohort-study
#16
Hsien-Yi Chiu, Po-Ching Lo, Weng-Foung Huang, Yi-Wen Tsai, Tsen-Fang Tsai
BACKGROUND: Inflammation of systemic and vascular tissues besides the skin in psoriasis is associated with cardiovascular morbidity and mortality. OBJECTIVE: We sought to investigate whether or not patients with psoriasis have an increased risk of aortic aneurysm (AA). METHODS: This population-based cohort study identified 34,301 patients with psoriasis in the Taiwan National Health Insurance Research Database during 2004 to 2006, who were matched for age and sex with 137,204 control subjects without psoriasis from the Taiwan Longitudinal Health Insurance Database 2000...
October 2016: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/27448600/visualization-of-atherosclerosis-as-detected-by-coronary-artery-calcium-and-carotid-intima-media-thickness-reveals-significant-atherosclerosis-in-a-cross-sectional-study-of-psoriasis-patients-in-a-tertiary-care-center
#17
S Santilli, D R Kast, I Grozdev, L Cao, R L Feig, J B Golden, S M Debanne, R C Gilkeson, C E Orringer, T S McCormick, N L Ward, K D Cooper, N J Korman
BACKGROUND: Psoriasis is a chronic inflammatory disease of the skin and joints that may also have systemic inflammatory effects, including the development of cardiovascular disease (CVD). Multiple epidemiologic studies have demonstrated increased rates of CVD in psoriasis patients, although a causal link has not been established. A growing body of evidence suggests that sub-clinical systemic inflammation may develop in psoriasis patients, even from a young age. We aimed to evaluate the prevalence of atherosclerosis and identify specific clinical risk factors associated with early vascular inflammation...
July 22, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27376696/self-reported-depression-in-psoriasis-is-associated-with-subclinical-vascular-diseases
#18
Tsion M Aberra, Aditya A Joshi, Joseph B Lerman, Justin A Rodante, Asha K Dahiya, Heather L Teague, Qimin Ng, Joanna I Silverman, Alexander V Sorokin, Taufiq Salahuddin, Benjamin N Lockshin, Mark A Ahlman, Martin P Playford, Marcus Y Chen, Joel M Gelfand, Nehal N Mehta
BACKGROUND AND AIMS: Psoriasis is a chronic inflammatory disorder associated with vascular inflammation, measured by 18-fluorodeoxyglucose positron emission tomography/computed tomography (18-FDG PET/CT), and an increased risk of myocardial infarction. Patients with psoriasis are also more likely to suffer from comorbid depression. Whether depression accelerates the development of subclinical atherosclerosis in psoriasis is unknown. METHODS: Patients were selected from within a larger psoriasis cohort...
August 2016: Atherosclerosis
https://www.readbyqxmd.com/read/27164422/wedelolactone-mitigates-uvb-induced-oxidative-stress-inflammation-and-early-tumor-promotion-events-in-murine-skin-plausible-role-of-nfkb-pathway
#19
Farrah Ali, Bilal Azhar Khan, Sarwat Sultana
UVB (Ultra-violet B) radiation is one of the major etiological factors in various dermal pathology viz. dermatitis, actinic folliculitis, solar urticaria, psoriasis and cancer among many others. UVB causes toxic manifestation in tissues by inciting inflammatory and tumor promoting events. We have designed this study to assess the anti-inflammatory and anti-tumor promotion effect of Wedelolactone (WDL) a specific IKK inhibitor. Results indicate significant restoration of anti-oxidative enzymes due to WDL treatments...
September 5, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27060697/deposition-of-elafin-in-the-involved-vascular-wall-of-neutrophil-mediated-cutaneous-vasculitis
#20
J Muto, N Fujimoto, K Ono, T Kobayashi, K R Chen, S Suzuki, H Wachi, S Tajima
BACKGROUND: Neutrophil elastase plays an important role in skin inflammation induced by neutrophil infiltration. Elafin is an inducible elastase inhibitor expressed by keratinocytes, and is known to be involved in pathogenesis of neutrophilic skin disorders such as psoriasis. METHODS: Immunohistochemical studies of elafin expression in the cases of vasculitis were performed. Induction of elafin expression in cultured vascular cells and its effect on neutrophil migration were studied in vitro...
September 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
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