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https://www.readbyqxmd.com/read/29687742/amniotic-membrane-and-its-epithelial-and-mesenchymal-stem-cells-as-an-appropriate-source-for-skin-tissue-engineering-and-regenerative-medicine
#1
Behrouz Farhadihosseinabadi, Mehrdad Farahani, Tahereh Tayebi, Ameneh Jafari, Felor Biniazan, Khashayar Modaresifar, Hamideh Moravvej, Soheyl Bahrami, Heinz Redl, Lobat Tayebi, Hassan Niknejad
One of the main goals of tissue engineering and regenerative medicine is to develop skin substitutes for treating deep dermal and full thickness wounds. In this regard, both scaffold and cell source have a fundamental role to achieve exactly the same histological and physiological analog of skin. Amnion epithelial and mesenchymal cells possess the characteristics of pluripotent stem cells which have the capability to differentiate into all three germ layers and can be obtained without any ethical concern. Amniotic cells also produce different growth factors, angio-modulatory cytokines, anti-bacterial peptides and a wide range of anti-inflammatory agents which eventually cause acceleration in wound healing...
April 24, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29684613/low-or-excess-levels-of-dietary-cholesterol-impaired-immunity-and-aggravated-inflammation-response-in-young-grass-carp-ctenopharyngodon-idella
#2
Xiao-Zhong Wang, Wei-Dan Jiang, Lin Feng, Pei Wu, Yang Liu, Yun-Yun Zeng, Jun Jiang, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Xiao-Qiu Zhou
The present study explored the effect of cholesterol on the immunity and inflammation response in the immune organs (head kidney, spleen and skin) of young grass carp (Ctenopharyngodon idella) fed graded levels of dietary cholesterol (0.041-1.526%) for 60 days and then infected with Aeromonas hydrophila for 14 days. The results showed that low levels of cholesterol (1) depressed the innate immune components [lysozyme (LZ), acid phosphatase (ACP), complements and antimicrobial peptides] and adaptive immune component [immunoglobulin M (IgM)], (2) up-regulated the mRNA levels of pro-inflammatory cytokines [interleukin 1β (IL-1β), IL-6, IL-8, IL-12p35, IL-12p40, IL-15, IL-17D, tumor necrosis factor α (TNF-α) and interferon γ2 (IFN-γ2)], partly due to the activated nuclear factor kappa B (NF-κB) signalling, and (3) down-regulated the mRNA levels of anti-inflammatory cytokines [IL-4/13B, IL-10, IL-11, transforming growth factor (TGF)-β1 and TGF-β2], partly due to the suppression of target of rapamycin (TOR) signalling in the immune organs of young grass carp...
April 20, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29671368/the-efficacy-of-topical-human-amniotic-membrane-mesenchymal-stem-cell-conditioned-medium-hammsc-cm-and-a-mixture-of-topical-hammsc-cm-vitamin-c-and-hammsc-cm-vitamin-e-on-chronic-plantar-ulcers-in-leprosy-a-randomized-control-trial
#3
Crs Prakoeswa, F R Natallya, D Harnindya, A Thohiroh, R N Oktaviyanti, K D Pratiwi, M A Rubianti, B Yogatri, P I Primasari, N Herwanto, M D Alinda, B H Kusumaputra, L Astari, M Y Listiawan, I Agusni, F A Rantam
BACKGROUND: Healing of chronic plantar ulcers in leprosy (CPUL) typically takes a long time due to impaired neurological function, thereby reducing the levels of growth factors and cytokines. Cytokines can be found in metabolite products from amniotic membrane stem cells. Chronic ulcers are frequently characterized by high levels of reactive oxygen species. Vitamin E (α-tocopherol) is widely used in skin lesions, owing to its antioxidant and anti-inflammatory properties. Vitamin C also has antioxidant, anti-inflammatory, and collagen synthesis properties useful in wound healing...
April 19, 2018: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/29663878/role-of-angiogenenic-growth-factors-in-psoriasis-a-review
#4
Tahseena Akhtar, Willayat Yousuf Wani, Mohammad A Kamal, Rajinder Kaur
BACKGROUND: Psoriasis is a chronic inflammatory disease, involving autoimmune mechanism wherein immune system, autoantigens and various environmental triggers all interact to create the systemically diseased state. It is a multifactorial skin disease of complex nature characterized by infiltration of multiple immune cells, kerationcyte proliferation, and increased dermal vascularity. Among all factors, vascular alterations present a significant feature of the disease and angiogenesis seems to have an important role in giving rise to psoriasis phenotype...
April 16, 2018: Current Drug Metabolism
https://www.readbyqxmd.com/read/29620265/ashwagandha-root-extract-exerts-anti%C3%A2-inflammatory-effects-in-hacat-cells-by-inhibiting-the-mapk-nf%C3%A2-%C3%AE%C2%BAb-pathways-and-by-regulating-cytokines
#5
Abudubari Sikandan, Takahisa Shinomiya, Yukitoshi Nagahara
A paste composed of the boiled leaves and roots of the Ashwagandha plant is used to cure ulcer and swelling in Ayurvedic medicine. However, the effects of the hot water extract of Ashwagandha roots (ASH‑WEX), which is also used in Ayurveda, on skin have not been fully elucidated. Therefore, the present study investigated the anti‑inflammatory activity of ASH‑WEX on skin, by using the human keratinocyte cell line HaCaT. The results indicated that ASH‑WEX significantly inhibited mRNA expression of inflammatory cytokines, including interleukin (IL)‑8, IL‑6, tumor necrosis factor (TNF‑α), IL‑1β and IL‑12, and promoted the mRNA expression of the anti‑inflammatory cytokine transforming growth factor (TGF)‑β1 in HaCaT cells...
April 2, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29616031/the-impact-of-the-epithelial-mesenchymal-transition-regulator-hepatocyte-growth-factor-receptor-met-on-skin-immunity-by-modulating-langerhans-cell-migration
#6
REVIEW
Zsofia Sagi, Thomas Hieronymus
Langerhans cells (LCs), the epidermal dendritic cell (DC) subset, express the transmembrane tyrosine kinase receptor Met also known as hepatocyte growth factor (HGF) receptor. HGF is the exclusive ligand of Met and upon binding executes mitogenic, morphogenic, and motogenic activities to various cells. HGF exerts anti-inflammatory activities via Met signaling and was found to regulate various functions of immune cells, including differentiation and maturation, cytokine production, cellular migration and adhesion, and T cell effector function...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29435195/decorin-is-a-pivotal-effector-in-the-extracellular-matrix-and-tumour-microenvironment
#7
REVIEW
Wen Zhang, Yan Ge, Qian Cheng, Qi Zhang, Lin Fang, Junnian Zheng
Decorin (DCN), an extracellular matrix (ECM) protein, belongs to the small leucine-rich proteoglycan family. As a pluripotent molecule, DCN regulates the bioactivities of cell growth factors and participates in ECM assembly. Accumulating evidence has shown that DCN acts as a ligand of various cytokines and growth factors by directly or indirectly interacting with the corresponding signalling molecules involved in cell growth, differentiation, proliferation, adhesion and metastasis and that DCN especially plays vital roles in cancer cell proliferation, spread, pro-inflammatory processes and anti-fibrillogenesis...
January 12, 2018: Oncotarget
https://www.readbyqxmd.com/read/29358286/aberrant-trna-processing-causes-an-autoinflammatory-syndrome-responsive-to-tnf-inhibitors
#8
Angeliki Giannelou, Hongying Wang, Qing Zhou, Yong Hwan Park, Mones S Abu-Asab, Kris Ylaya, Deborah L Stone, Anna Sediva, Rola Sleiman, Lucie Sramkova, Deepika Bhatla, Elisavet Serti, Wanxia Li Tsai, Dan Yang, Kevin Bishop, Blake Carrington, Wuhong Pei, Natalie Deuitch, Stephen Brooks, Jehad H Edwan, Sarita Joshi, Seraina Prader, Daniela Kaiser, William C Owen, Abdullah Al Sonbul, Yu Zhang, Julie E Niemela, Shawn M Burgess, Manfred Boehm, Barbara Rehermann, JaeJin Chae, Martha M Quezado, Amanda K Ombrello, Rebecca H Buckley, Alexi A Grom, Elaine F Remmers, Jana M Pachlopnik, Helen C Su, Gustavo Gutierrez-Cruz, Stephen M Hewitt, Raman Sood, Kimberly Risma, Katherine R Calvo, Sergio D Rosenzweig, Massimo Gadina, Markus Hafner, Hong-Wei Sun, Daniel L Kastner, Ivona Aksentijevich
OBJECTIVES: To characterise the clinical features, immune manifestations and molecular mechanisms in a recently described autoinflammatory disease caused by mutations in TRNT1 , a tRNA processing enzyme, and to explore the use of cytokine inhibitors in suppressing the inflammatory phenotype. METHODS: We studied nine patients with biallelic mutations in TRNT1 and the syndrome of congenital sideroblastic anaemia with immunodeficiency, fevers and developmental delay (SIFD)...
April 2018: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29064599/spinal-cord-stimulation-in-patients-with-complex-regional-pain-syndrome-a-possible-target-for-immunomodulation
#9
Nadia Kriek, Marco W J Schreurs, J George Groeneweg, Wim A Dik, Gilbert C H Tjiang, Ismail Gültuna, Dirk L Stronks, Frank J P M Huygen
OBJECTIVE: Complex regional pain syndrome (CRPS) is characterized by continued pain disproportional to the inciting event, sensory abnormalities, vasomotor and sudomotor disturbances, and motor and trophic changes. Inflammatory involvement has been demonstrated in past CRPS studies resulting in pain, swelling, and warmth. Currently, it is unknown whether spinal cord stimulation (SCS) has immunomodulatory properties. The aim of this study was to determine whether SCS has immunomodulatory properties in CRPS patients...
January 2018: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28899632/the-deposition-of-anti-dna-igg-contributes-to-the-development-of-cutaneous-lupus-erythematosus
#10
Yingying Dong, Yi Zhang, Linlin Xia, Ping Wang, Jingyun Chen, Meifeng Xu, Xingyin Liu, Yumin Xia
Anti-DNA IgG is a hallmark of systemic lupus erythematosus and induces internal injuries in patients. It is known that cutaneous lupus erythematosus (CLE) involves the deposition of autoantibodies in the dermoepidermal junction of the skin and that anti-DNA IgG binds specifically to keratinocytes. However, the definite role of anti-DNA IgG in CLE remains unclear. The purpose of this study was to elucidate the effect of anti-DNA IgG on keratinocytes in CLE. Skin tissues were collected from patients with CLE and healthy controls...
November 2017: Immunology Letters
https://www.readbyqxmd.com/read/28878315/cholesterol-modified-hydroxychloroquine-loaded-nanocarriers-in-bleomycin-induced-pulmonary-fibrosis
#11
Li Liu, Jun Ren, Zhiyao He, Ke Men, Ye Mao, Tinghong Ye, Hua Chen, Ling Li, Bocheng Xu, Yuquan Wei, Xiawei Wei
An increasing number of reports have suggested the use of hydroxychloroquine (HCQ) as an adjunct anti-cancer treatment to enhance the chemotherapeutic response, as well as for the treatment of several fibrotic skin diseases and cystic fibrosis. In this study, we synthesized a cholesterol-modified HCQ (Chol-HCQ) and hypothesized that a systemic delivery system with Chol-HCQ nanocarriers could be effective for the treatment of bleomycin-induced pulmonary fibrosis. Chol-HCQ significantly inhibits the proliferation of rat lung fibroblasts, regulates inflammation and ameliorates bleomycin-induced pulmonary fibrosis in rats...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28769790/phenotypic-screening-identifies-synergistically-acting-natural-product-enhancing-the-performance-of-biomaterial-based-wound-healing
#12
Srinivasan Sivasubramanian, Gayathri Chandrasekar, Sara Svensson Akusjärvi, Ramar Thangam, Malairaj Sathuvan, R B S Kumar, Hawraa Hussein, Savariar Vincent, Balaraman Madhan, Palani Gunasekaran, Satish S Kitambi
The potential of multifunctional wound heal biomaterial relies on the optimal content of therapeutic constituents as well as the desirable physical, chemical, and biological properties to accelerate the healing process. Formulating biomaterials such as amnion or collagen based scaffolds with natural products offer an affordable strategy to develop dressing material with high efficiency in healing wounds. Using image based phenotyping and quantification, we screened natural product derived bioactive compounds for modulators of types I and III collagen production from human foreskin derived fibroblast cells...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28698127/dietary-protein-levels-regulated-antibacterial-activity-inflammatory-response-and-structural-integrity-in-the-head-kidney-spleen-and-skin-of-grass-carp-ctenopharyngodon-idella-after-challenged-with-aeromonas-hydrophila
#13
Wei-Dan Jiang, Jing Xu, Xiao-Qiu Zhou, Pei Wu, Yang Liu, Jun Jiang, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Lin Feng
This study investigated the effects of dietary protein levels on disease resistance, immune function and structural integrity in the head kidney, spleen and skin of grass carp (Ctenopharyngodon idella). A total of 540 grass carp (264.11 ± 0.76 g) were fed six diets containing graded levels of protein (143.1, 176.7, 217.2, 257.5, 292.2 and 322.8 g digestible protein kg(-1) diet) for 8 weeks. After the growth trial, fish were challenged with Aeromonas hydrophila for 14 days. The results indicated that optimal levels of dietary protein: (1) (1) increased the lysozyme (LA) and acid phosphatase (ACP) activities and the complement 3 (C3) and C4 contents, up-regulated antimicrobial peptides, anti-inflammatory cytokines, inhibitor of κBα, target of rapamycin and ribosomal protein S6 kinases 1 mRNA levels, whereas down-regulated pro-inflammatory cytokines, nuclear factor kappa B (NF-κB) P65, IKKβ, IKKγ, eIF4E-binding proteins (4E-BP) 1 and 4E-BP2 mRNA levels in the head kidney, spleen and skin of grass carp (P < 0...
July 8, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28679488/toward-a-new-kind-of-vaccine-a-logical-extension-of-the-symmetrical-immune-network-theory
#14
Reginald Gorczynski, Geoffrey Hoffmann
BACKGROUND: The symmetrical immune network theory, developed in 1975, is based on the existence of specific T cell factors and hypothesizes that normal IgG immune responses comprise the production of 2 kinds of antibodies, namely antigen-specific antibodies and anti-idiotypic antibodies. OBJECTIVE: The aim of this study was to confirm the existence of specific T cells factors and to show that immunization of C3H mice with BL/6 skin or using nominal antigen for immunization (Tetanus Toxoid) induced production of antigen-specific (anti-BL/6 or antitetanus) antibodies plus anti-idiotypic antibodies (C3H anti-anti-C3H)...
July 5, 2017: Interactive Journal of Medical Research
https://www.readbyqxmd.com/read/28604330/infection-and-tissue-repair-of-experimental-cutaneous-candidiasis-in-diabetic-mice
#15
Andréia Carla Eugenio Pupim, Tacito Graminha Campois, Eduardo José de Almeida Araújo, Terezinha Inez Estivalet Svidizinski, Ionice Felipe
PURPOSE: Diabetic patients seem to be predisposed to cutaneous candidiasis. In this study, we evaluated the interference of diabetic conditions in alloxan-induced diabetic mice in relation to the development of C. albicans infection, density of M1 and M2 macrophages, distribution of collagen type I and III and anti-inflamamatory cytokines involved in tissue repair. METHODOLOGY: The mice were treated with intravenous alloxan, and all animals with blood glucose levels >250  mg dl-1 were inoculate with C...
June 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28602757/achillea-asiatica-extract-and-its-active-compounds-induce-cutaneous-wound-healing
#16
Banzragch Dorjsembe, Hee Ju Lee, Myungsuk Kim, Batsuren Dulamjav, Tunsag Jigjid, Chu Won Nho
ETHNOPHARMACOLOGICAL RELEVANCE: Achillea asiatica Serg. is a perennial herb belonging to the Asteraceae family that has long been traditionally used to treat acute intestinal and stomach inflammation, persistent fever, ulcers, wounds, and rheumatism. AIM OF THE STUDY: We investigated the effect of A. asiatica extract (AAE) on cutaneous wound healing. MATERIALS AND METHODS: To assess the effect of AAE on wounds, an incisional Sprague-Dawley (SD) rat model was topically treated with AAE for 2 weeks...
July 12, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28511390/expression-of-angiogenic-factors-in-psoriasis-vulgaris
#17
Lakshna Sankar, Dhanalakshmi Arumugam, Sudha Boj, Priyanka Pradeep
INTRODUCTION: Psoriasis is a chronic inflammatory skin disease characterized by epidermal hyperproliferation, abnormal differentiation and inflammatory infiltration in the dermis. The dermal microvascular expansion associated with abnormal orientation and dilatation of capillaries in the biopsies of the psoriatic skin suggest that the disease is dependent on angiogenesis. AIM: To analyze and compare the immunohistochemical expression of angiogenic factors - Vascular Endothelial Growth Factor (VEGF), von Willebrand Factor (vWF) and CD 34 in skin biopsies of psoriasis cases with control skin samples; and to correlate the expression of angiogenic factors with Psoriasis Area and Severity Clinical Index (PASI SCORE)...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28428059/the-decreased-growth-performance-and-impaired-immune-function-and-structural-integrity-by-dietary-iron-deficiency-or-excess-are-associated-with-tor-nf-%C3%AE%C2%BAb-p38mapk-nrf2-and-mlck-signaling-in-head-kidney-spleen-and-skin-of-grass-carp-ctenopharyngodon-idella
#18
Yan-Lin Guo, Wei-Dan Jiang, Pei Wu, Yang Liu, Xiao-Qiu Zhou, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Lin Feng
This study was conducted to investigate the effects of dietary iron on the growth, and immune function and structural integrity in head kidney, spleen and skin as well as the underlying signaling of young grass carp (Ctenopharyngodon idella). Total 630 grass carp (242.32 ± 0.58 g) were fed diets containing graded levels of iron at 12.15 (basal diet), 35.38, 63.47, 86.43, 111.09, 136.37 mg/kg (diets 2-6 were added with ferrous fumarate) and 73.50 mg/kg (diet 7 was added with ferrous sulfate) diet for 60 days...
June 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28195079/update-on-etiopathogenesis-and-treatment-of-acne
#19
REVIEW
Yasmeen Jabeen Bhat, Insha Latief, Iffat Hassan
Acne, the most common skin disease, is a disorder of pilosebaceous units that affects adolescents mainly and adults occasionally. The pathogenesis is multifactorial. Besides genetic predisposition, other major factors include the action of androgens, pro-inflammatory lipids acting as ligands of peroxisome proliferator-activated receptors in the sebocytes, toll-like receptor-2 acting on keratinocytes, recognition of pathogen-associated molecular patterns, cytokines, chemokines, inflammasomes, neuroendocrine regulatory mechanisms, diet and other pro-inflammatory targets implicated in the activation of immune detection and response...
May 2017: Indian Journal of Dermatology, Venereology and Leprology
https://www.readbyqxmd.com/read/28192254/effect-of-dietary-phosphorus-deficiency-on-the-growth-immune-function-and-structural-integrity-of-head-kidney-spleen-and-skin-in-young-grass-carp-ctenopharyngodon-idella
#20
Kang Chen, Wei-Dan Jiang, Pei Wu, Yang Liu, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Xiao-Qiu Zhou, Lin Feng
This study evaluates the effects of dietary phosphorus on the growth, immune function and structural integrity (head kidney, spleen and skin) of young grass carp (Ctenopharyngodon idella) that were fed graded levels of available phosphorus (0.95-8.75 g/kg diet). Results indicated that phosphorus deficiency decreased the growth performance of young grass carp. In addition, the results first demonstrated that compared with the optimal phosphorus level, phosphorus deficiency depressed the lysozyme (LZ) and acid phosphatase (ACP) activities and the complement 3 (C3), C4 and immunoglobulin M (IgM) contents, and down-regulated the mRNA levels of antimicrobial peptides, anti-inflammatory cytokines, inhibitor of κBα (IκBα) and target of rapamycin (TOR), whereas it up-regulated pro-inflammatory cytokines, nuclear factor kappa B (NF-κB) p65 and NF-κB p52 mRNA levels to decrease fish head kidney and spleen immune functions...
April 2017: Fish & Shellfish Immunology
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