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B M Kamath, A Baker, R Houwen, L Todorova, N Kerkar
BACKGROUND: Alagille syndrome (ALGS) is an inherited multisystem disorder typically manifesting as cholestasis, and potentially leading to end-stage liver disease and death. AIM: To perform the first systematic review of the epidemiology, natural history and burden of ALGS with a focus on the liver component. METHODS: Electronic databases and proceedings from key congresses were searched in accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) 2009 guidelines...
March 14, 2018: Journal of Pediatric Gastroenterology and Nutrition
Hiroshi Nakatani, Paul Gomes, Ron Bradford, Qiang Guo, Eleonora Safyan, David A Hollander
PURPOSE: To compare alcaftadine and olopatadine ophthalmic solutions, and vehicle for preventing allergen-mediated conjunctivitis in Japanese subjects. METHODS: Japanese cedar pollen-sensitive subjects were randomized to alcaftadine 0.25%, olopatadine 0.1%, or vehicle. Ocular itching was assessed at 3, 5 (primary outcome), 7, and 15 min post-conjunctival allergen challenge (CAC) and conjunctival hyperemia assessed at 7, 15 (secondary outcome), and 20 min post-CAC...
March 15, 2018: Ocular Immunology and Inflammation
Rong-Ming Lyu, Alan Cowan, Ying Zhang, Yi-Hung Chen, Siok L Dun, Jaw-Kang Chang, Nae J Dun, Jin Jun Luo
In this brief review we summarize the current fndings relative to the discovery of a small peptide ligand, phoenixin (PNX). Using a bioinformatic approach, two novel peptides PNX-14 and PNX-20 containing 14 and 20 amino acids, respectively, were isolated from diverse tissues including the brain, heart, lung and stomach. Mass spectrometry analysis identified a major and minor peak corresponding to PNX-14 and PNX-20, in rat or mouse spinal cord extracts. With the use of a rabbit polyclonal antiserum, phoenixin immunoreactivity (irPNX) was detected in discrete areas of the rodent brain including several hypothalamic subnuclei and dorsal motor nucleus of the vagus...
March 15, 2018: Acta Pharmacologica Sinica
Jee Hee Son, Sook Young Park, Yong Se Cho, Bo Young Chung, Hye One Kim, Chun Wook Park
Corticosteroids are potent anti-inflammatory and anti-allergic agents used in the treatment of various inflammatory diseases, including allergic disease. They are frequently considered the therapy-of-choice for many skin diseases. However, allergic reactions caused by corticosteroids have been reported. Among these, delayed reactions to topical steroids are more common, whereas immediate reactions to systemic steroids are rare. Herein, we report the case of a 32-year-old woman with triamcinolone-induced immediate hypersensitivity reaction, in which the patient had a positive prick test result with triamcinolone...
March 19, 2018: Journal of Korean Medical Science
Jarkko Mäntylä, Tuuli Thomander, Auli Hakulinen, Kaarina Kukkonen, Kati Palosuo, Helena Voutilainen, Anna Pelkonen, Paula Kauppi
INTRODUCTION: The standard care of severe food allergy in both adults and children means avoidance of allergens. In recent years promising results of oral immunotherapy (OIT) have been reported in children. In adults, information on OIT in severe food allergy is very limited. OBJECTIVE: We aimed to study if OIT is possible in adults. METHODS: We report OIT results in 10 adult patients with milk OIT, nine adult patients with peanut OIT, and four adult patients with egg OIT...
March 15, 2018: Immunity, Inflammation and Disease
Yu-Chen Lu, Yu-Jun Wang, Bin Lu, Ming Chen, Ping Zheng, Jing-Gen Liu
Itch is an unpleasant sensation that initiates scratching behavior. Itch-scratch reaction is a complex phenomenon whose occurrence implicates supraspinal structures required for regulation of sensory, emotional, cognitive, and motivational aspects. However, the central mechanisms underlying the processing of itch and the interplay of the supraspinal regions and spinal cord in regulating itch-scratch processes are poorly understood. Here, we have identified that the neural projections from anterior cingulate cortex (ACC) to dorsal medial striatum (DMS) constitute a critical circuit element for regulating itch-related behaviors in the brain of male C57BL/6J mice...
March 14, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
Chunjiang Lv, Yongsheng Zhang, Lili Shen
BACKGROUND: Resveratrol is a natural, nonflavonoid polyphenol, exerting anti-inflammatory activity. It has been reported that resveratrol, together with carboxymethyl-β-glucan, can reduce nasal symptoms in children with allergic rhinitis (AR). In this study, the effect of resveratrol on nasal symptoms in adults with AR was investigated. METHODS: We conducted a placebo-controlled, double-blinded study. One hundred and fifty-one adults (aged 18-60 years) with severe persistent AR were divided into a placebo-treated group (n = 50), a positive control budesonide-treated group (n = 50), and a resveratrol-treated group (n = 51)...
March 14, 2018: International Archives of Allergy and Immunology
Carina Kirstine Klarskov, Connie Bondo Dydensborg
Jellyfish is the number one cause of human pathologies due to contact with marine organisms. Jellyfish stings can cause a vast number of symptoms in humans like contact derma-titis, itching, pain, cardiovascular problems, anaphylaxis, and even death. This case report is about a 72-year-old woman with intermittent severe hypertension after being stung by jellyfish. Because of tourism and jellyfish migration the prevalence of patients with symptoms after jellyfish stings is increasing.
March 5, 2018: Ugeskrift for Laeger
Tetsuo Koshizuka, Takahiro Kobayashi, Ken Ishioka, Tatsuo Suzutani
Nedd4 is a family of ubiquitin E3 ligases that regulate numerous cellular processes. In this report, we showed that alpha- and beta-herpesviruses have membrane proteins that regulate the function of the Nedd4 family members. Although the homology search score was quite low, UL56 of herpes simplex virus type 1 and 2, ORF0 of varicella-zoster virus, UL42 of human cytomegalovirus, and U24 of human herpesvirus 6A, 6B, and 7 all possess at least one PPxY (PY) motif in their cytoplasmic domain, and are able to bind with Itch, a member of the Nedd4 family...
March 13, 2018: Scientific Reports
Adriana Carino, Michele Biagioli, Silvia Marchianò, Paolo Scarpelli, Angela Zampella, Vittorio Limongelli, Stefano Fiorucci
Liver fibrosis, a major health concern worldwide, results from abnormal collagen deposition by activated hepatic stellate cells (HSCs) in a injured liver. The farnesoid-x-receptor (FXR) is a bile acid sensor that counteracts HSCs transdifferentiation. While targeting FXR holds promise, 6-ethyl-CDCA known as obeticholic acid, the first in class of FXR ligands, causes side effects, partially because the lack of selectivity toward GPBAR1, a putative itching receptor. Here, we describe the 3-deoxy-6-ethyl derivative of CDCA, BAR704, as a highly selective steroidal FXR agonist...
March 9, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
Yu-Na Im, Yu-Dong Lee, Jeong-Soo Park, Hae-Kyoung Kim, Suhn-Young Im, Hwa-Ryung Song, Hern-Ku Lee, Myung-Kwan Han
Many itch mediators activate G-protein coupled receptor (GPCR), and trigger itch via activation of GPCR-mediated signaling pathways. GPCRs are desensitized by G protein-coupled receptor kinases (GRKs). The aim of this study is to explore the role of GRKs in itch response and the linkage between GRKs and glutamine (Gln), an amino acid previously demonstrated as an itching reliever. Itch responses were evoked by histamine, chloroquine (CQ), and dinitrochlorobenzene (DNCB)-induced contact dermatitis (CD). Phosphorylation and protein expression were detected by immunofluorescent staining and Western blotting...
March 9, 2018: Journal of Investigative Dermatology
Olga Yu Olisova, Olga V Grabovskaya, Natalia P Teplyuk, Alexander S Tertychnyy, Vladimir A Varshavsky, Ekaterina V Grekova
We present a 41-year-old woman with itching polymorphic skin lesions involving the trunk and extremities which first appeared in September 2011 (7 years ago). Physical examination revealed multiple erythematous, scaly macules and patches, indurated red plaques and purplish red and smooth surfaced nodules (Fig. 1a). Over the period of seven years, the skin lesions grew slowly and spread across the body but sometimes they regressed either spontaneously or after insolation. This article is protected by copyright...
March 10, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
Luis Garcia-Larrea, François Mauguière
Pain was considered to be integrated subcortically during most of the 20th century, and it was not until 1956 that focal injury to the parietal opercular-insular cortex was shown to produce selective loss of pain senses. The parietal operculum and adjacent posterior insula are the main recipients of spinothalamic afferents in primates. The innermost operculum appears functionally associated with the posterior insula and can be segregated histologically, somatotopically and neurochemically from the more lateral S2 areas...
2018: Handbook of Clinical Neurology
Elsam Koshy, Lu Mengting, Hanasha Kumar, Wu Jianbo
Herpes zoster is a major health burden that can affect individuals of any age. It is seen more commonly among individuals aged ≥50 years, those with immunocompromised status, and those on immunosuppressant drugs. It is caused by a reactivation of varicella zoster virus infection. Cell-mediated immunity plays a role in this reactivation. Fever, pain, and itch are common symptoms before the onset of rash. Post-herpetic neuralgia is the most common complication associated with herpes zoster. Risk factors and complications associated with herpes zoster depend on the age, immune status, and the time of initializing treatment...
March 8, 2018: Indian Journal of Dermatology, Venereology and Leprology
Pramod Kumar Sharma, Arup Kumar Misra, Neeraj Gupta, Daisy Khera, Ajay Gupta, Pushpinder Khera
OBJECTIVE: The objective of this study is to determine the nature and severity of adverse drug reactions (ADRs) in pediatric patients. MATERIALS AND METHODS: In this retrospective cohort study, we extracted the data from all the available pediatric ADR forms submitted to ADR monitoring center (AMC) from May 2014 to December 2016. The data including nature, frequency, causality (World Health Organization [WHO] causality scale), and the severity (Hartwig and Siegel scale for severity) of ADR were extracted...
September 2017: Indian Journal of Pharmacology
Paola Infante, Roberta Faedda, Flavia Bernardi, Francesca Bufalieri, Ludovica Lospinoso Severini, Romina Alfonsi, Daniela Mazzà, Mariangela Siler, Sonia Coni, Agnese Po, Marialaura Petroni, Elisabetta Ferretti, Mattia Mori, Enrico De Smaele, Gianluca Canettieri, Carlo Capalbo, Marella Maroder, Isabella Screpanti, Marcel Kool, Stefan M Pfister, Daniele Guardavaccaro, Alberto Gulino, Lucia Di Marcotullio
Suppressor of Fused (SuFu), a tumour suppressor mutated in medulloblastoma, is a central player of Hh signalling, a pathway crucial for development and deregulated in cancer. Although the control of Gli transcription factors by SuFu is critical in Hh signalling, our understanding of the mechanism regulating this key event remains limited. Here, we show that the Itch/β-arrestin2 complex binds SuFu and induces its Lys63-linked polyubiquitylation without affecting its stability. This process increases the association of SuFu with Gli3, promoting the conversion of Gli3 into a repressor, which keeps Hh signalling off...
March 7, 2018: Nature Communications
Houda Lajmi, Wassim Hmaied, Wady Ben Jalel, Khaoula Ben Romdhane, Zied Chelly, Lamia El Fekih
Backgroud: The fronto-ethmoidal mucocele is a benign condition leading commonly to limited eye movement or ocular pain but it could also induce visual acuity impairment by compressing the optic nerve Aim: To discuss, through a case report, different ophthalmologic manifestations of the fronto-ethmoidalmucocele. Reported case: A 46-years-old man with no general history consulted for a bilateral ocular redness and itching. He reported, however, a mild protrusion of his left globe evolving for oneyear. The clinical examination revealed a unilateral proptosis in the left eye with a discrete limitation of theadduction...
June 2017: La Tunisie Médicale
A B Gottlieb, K Gordon, S Hsu, B Elewski, L F Eichenfield, L Kircik, S Rastogi, R Pillai, R Israel
BACKGROUND: Patients with psoriasis have lesional symptoms, including itch, which can reduce quality of life. The efficacy and safety of brodalumab, an interleukin-17 receptor A antagonist, in treating moderate-to-severe psoriasis have been reported in 3 randomized, controlled, phase 3 trials (AMAGINE-1/-2/-3). OBJECTIVE: The effect of brodalumab on lesional symptoms was assessed using the psoriasis symptom inventory (PSI), a validated patient-reported instrument...
March 6, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
K A Papp, A Blauvelt, A B Kimball, C Han, B Randazzo, Y Wasfi, Y-K Shen, S Li, C E M Griffiths
BACKGROUND: How patients experience the symptoms/signs of psoriasis is highly relevant for assessing treatment response. OBJECTIVES: Compare outcomes with guselkumab, placebo, and adalimumab utilizing the novel, validated Psoriasis Symptoms and Signs Diary (PSSD). METHODS: VOYAGE 1 is an on-going, phase III, double-blinded, controlled trial of patients with moderate-to-severe psoriasis. Patients were randomized to guselkumab 100 mg every-8-weeks; placebo-to-guselkumab 100 mg every-8-weeks; or adalimumab 40 mg every-2-weeks...
March 6, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
Yun-Zhu Mu, Zi-Cen Du, Zheng-Zhong Zhang, Hao Yang, Xing Chen, Yanbo Wang, Lin-Li Liu
Distrophic epidermolysis bullosa pruriginosa(DEB-Pr, OMIM#604129) is a rare subtype of epidermolysis bullosa dystrophica. It is characterized by recurrent vesicles and erosions on the extensor of the limbs at birth or shortly thereafter and pruriginosa papules and nodules accompanied with intense itching and nail dystrophy in adult stage1 . Histology reveals hyperkeratosis, mild acanthosis and a subepidermal blister formation2 . Electron microscopic studies showed alterations in the number and ultrastructure of anchoring fibrils in lesional, perilesional and non-lesional skin3 ...
March 6, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
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