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Asian Pacific Journal of Allergy and Immunology

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https://www.readbyqxmd.com/read/29602283/korean-mistletoe-lectin-enhances-natural-killer-cell-cytotoxicity-via-upregulation-of-perforin-expression
#1
Younghoon Kim, Inbo Kim, Choon-Ho Park, Jong Bae Kim
BACKGROUND: Natural killer (NK) cells are crucial components of the innate immune system, providing the first line of defense against pathogens. In a previous study, we demonstrated prophylactic activity of water extract of Korean mistletoe (Viscum album coloratum) on tumor metastasis. However, the leading compound from water extract of Korean mistletoe was not clearly addressed. OBJECTIVE: The purpose of this research was mainly focused on addressing the effect of Korean mistletoe lectin (KMLC) on NK cell cytotoxicity, and the ability of cytokine secretion as well as its signal transduction, mitogen-activated protein kinase (MAPK) pathway...
September 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/29549705/early-detection-of-airway-obstruction-by-impulse-oscillometry-system-in-methacholine-challenge-testing-in-preschool-children
#2
Jung Won Yoon, Youn Ho Sheen, Eun Kyo Ha, Ji Hyun Baek, Hey Sung Baek, Sun Hee Choi, Man Yong Han
BACKGROUND: Small airway hyperresponsiveness is a critical aspect in preschool children with asthmatic symptoms interms of asthma control. The aim of this study was to elucidate the relationship of changes in reactance (Xrs) and resistance (Rrs) of IOS and FEV1 with those in clinical parameters and to determine which IOS parameter is correlated with bronchial hyperresponsiveness before positive clinical endpoints. METHODS: We performed the methacholine challenge test in ninety-four preschool children (4...
September 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/29246079/curcumin-pyrazole-blocks-lipopolysaccharide-induced-inflammation-via-suppression-of-jnk-activation-in-raw-264-7-macrophages
#3
Nathnarin Somchit, Rungruedee Kimseng, Rana Dhar, Poonsit Hiransai, Chatchawan Changtam, Apichart Suksamrarn, Wilanee Chunglok, Warangkana Chunglok
BACKGROUND: Targeting inflammatory macrophages and their products is an effective method for controlling inflammation. The pyrazole analog of curcumin (curcumin pyrazole, PYR) has been reported to possess superior anti-inflammatory activity to curcumin (CUR). However, the role of PYR anti-inflammatory activity in macrophages has not yet been elucidated. OBJECTIVE: To examine the anti-inflammatory effects of PYR and CUR in lipopolysaccharide (LPS)-activated RAW 264...
September 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/29223149/accuracy-of-childhood-asthma-control-test-among-thai-childhood-asthma-patients
#4
Sirasuda Sommanus, Chalerat Direkwattanachai, Saranath Lawpoolsri, Raweerat Sitcharungsi
BACKGROUND: The Childhood Asthma Control Test (C-ACT) was developed to assess asthma control in children worldwide. A self-administered questionnaire for children translated into Thai language was used. OBJECTIVE: To validate the C-ACT cut-points for evaluating the level of asthma control among Thai children, using the Global Initiative for Asthma (GINA) guideline as a gold standard. METHODS: C-ACT score, FEV1 and assessment of level of asthma control were recorded at baseline, 3-month, 6-month, and 1-year visits among children with asthma...
September 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/29223148/exhaled-nitric-oxide-helps-discriminating-asthmatic-children-with-and-without-positive-specific-ige-to-aeroallergens
#5
Li-Ching Fang, Shyh-Dar Shyur, Jen-Yu Wang, Yu-Hsuan Kao, Chien-Hui Yang, Yu-Ting Yu
BACKGROUND: Aeroallergen sensitization may predict higher fractional exhaled nitric oxide (FeNO) levels. OBJECTIVE: We evaluate cut-off values of FeNO in asthmatic children with and without positive specific immunoglobulin E (IgE) to at least one of 5 aeroallergens (Dermatophagoides pteronyssinus, Dermatophagoides farinae, cat, dog, and cockroach). METHODS: 564 patients with asthma and allergic rhinitis (AR) aged 5 to 18 years were enrolled into two groups...
September 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/29223145/antibody-biosensors-for-the-measurement-and-characterization-of-soluble-cd147-molecules
#6
Witida Laopajon, Nuchjira Takheaw, Saichit Khummuang, Tanyaluck Kampoun, Kantinan Cheunsirikulchai, Watchara Kasinrerk, Supansa Pata
BACKGROUND: Soluble CD147 (sCD147) is the shed form of membrane-bound CD147, which is involved in the regulation of cellular functions. The presence of sCD147 in body fluids is associated with several diseases. OBJECTIVE: In this study, we aimed to establish antibody (Ab) biosensors for the simultaneous differential detection of the general and truncated forms of sCD147. METHOD: By combining biolayer interferometry technology (BLItz) and different anti-CD147 monoclonal antibodies (mAbs) specific to different extracellular domains of the CD147 molecule, Ab-based biosensors were established to rapidly measure and characterize sCD147 isoforms...
September 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/29161056/de-novo-food-allergy-in-pediatric-liver-transplantation-recipients
#7
Ratchaneewan Sinitkul, Wiparat Manuyakorn, Wasu Kamchaisatian, Soamarat Vilaiyuk, Suwat Benjaponpitak, Chatmanee Lertudompholwanit, Suporn Treepongkaruna
BACKGROUND: Food allergy (FA) prevalence is increasing in pediatric liver transplantation (LT). However, the clinical course is still limited. OBJECTIVE: This retrospective cohort study aimed to identify the prevalence, risk factors, and the natural history of de novo FA in children post LT. METHODS: Medical records of pediatric LT recipients from Jan 2001 - Dec 2014 were reviewed. De novo FA was diagnosed by symptoms after exposure to culprit food occurring after LT, and improvement after diet elimination...
September 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/28938843/comparison-of-specific-ige-detection-by-immunoblotting-and-fluorescence-enzyme-assay-with-in-vivo-skin-prick-test
#8
Jongkonnee Wongpiyabovorn, Narissara Suratannon, Sadudee Boonmee, Pantipa Chatchatee
BACKGROUND: Diagnostic tools to identify allergens that cause allergic symptom is important part in the care of allergic patients. Detection of causative allergen can be performed by in vivo skin prick test (SPT) or in vitro tests for detection serum specific immunoglobulin E (sIgE). The common methods used are fluorescent enzyme assay and immunoblotting assay. OBJECTIVE: We aim to evaluate performance of the two sIgE determination systems, immunoblotting assay (Euroline) and fluorescent enzyme assay (ImmunoCAP) in comparison with SPT...
September 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/28938842/small-plaque-size-variant-of-chikungunya-primary-isolate-showed-reduced-virulence-in-mice
#9
Thitigun Jaimipak, Sutee Yoksan, Sukathida Ubol, Rojjanaporn Pulmanausahakul
BACKGROUND: Plaque size is a common feature of viral characterization. Small plaque size is used as a marker of attenuation for live-attenuated vaccine development. OBJECTIVE: To investigate whether the naturally occurring plaque size variation reflects virulence of the variants of chikungunya virus (CHIKV). METHODS: We selected and purified a variant with small plaque size from the primary isolate. The viral variant was tested for the plaque morphology, in vitro growth kinetics and mouse neurovirulence in comparison with the parental wild type...
September 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/30118248/down-regulation-of-let-7a-and-mir-21-in-urine-exosomes-from-lupus-nephritis-patients-during-disease-flare
#10
Pattarin Tangtanatakul, Siriwan Klinchanhom, Pimpayao Sodsai, Thitima Sutichet, Chutipha Promjeen, Yingyos Avihingsanon, Nattiya Hirankarn
BACKGROUND: The contents of exosomes determine their biological functions and represent a new class of epigenetic modulation of renal cells considering as novel class of biomarker. OBJECTIVE: Our study aims to investigate the expression of microRNAs (miRNA), including miR-10a/b, let-7a, and miR-21, in urinary exosomes isolated from patients with active lupus nephritis (LN) compared to inactive LN. METHODS: The exosomes were obtained from long-term follow up LN patients during active and 4 months after treatment (n = 3)...
August 13, 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/30118247/involvement-of-toll-like-receptor-2-on-human-corneal-epithelium-during-an-infection-of-pythium-insidiosum
#11
Patimaporn Wongprompitak, Nawarat Pleewan, Wiwit Tantibhedhyangkul, Angkana Chaiprasert, Pinnita Prabhasawat, Naharuthai Inthasin, Pattama Ekpo
BACKGROUND: Pythium insidiosum, a pathogenic oomycete, is a common causative organism of infectious corneal ulcer. Studying the innate immune response at the ocular surface is important for better understanding of the underlying pathogenesis and host defense against P. insidiosum infection. OBJECTIVE: The present study aims to investigate the role of Toll-like receptor (TLR)2 on human corneal epithelial cells (HCECs) in P. insidiosum infection. METHODS: Human embryonic kidney (HEK) cells were stimulated with either P...
August 13, 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/30118246/role-of-toll-like-receptor-2-in-mediating-the-production-of-cytokines-and-human-beta-defensins-in-oral-mucosal-epithelial-cell-response-to-leptospiral-infection
#12
Naharuthai Inthasin, Patimaporn Wongprompitak, Chawikan Boonwong, Pattama Ekpo
BACKGROUND: Pathogenic Leptospira spp. is the causative agent of leptospirosis. Oral mucosal cavity is one of portal entry for this bacterium. Oral mucosal epithelium provides a physical barrier and secretes cytokines, chemokines and antimicrobial peptides (AMPs) in response to microbial infection. Human β-defensins (hBDs); hBD1, hBD2, and hBD3 are predominantly AMPs expressed in the oral cavity. Toll-like receptors (TLRs) have been reported in hBD regulation. TLR2 recognizes leptospiral lipopolysaccharide, and plays a key role in the early control of leptospirosis...
August 13, 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/30118245/clinical-characteristics-of-exogenous-progestogen-hypersensitivity
#13
Eun-Jung Jo, Seung-Eun Lee, Hye-Kyung Park
BACKGROUND: Autoimmune progesterone dermatitis is a rare disease characterized by eruption recurrence in the luteal phase of each menstrual cycle. As synthetic progesterones are increasingly used for assisted reproductive techniques (ARTs) for infertility or prevention of abortion, cases of dermatitis caused by exogenous progesterone have been reported. OBJECTIVE: To investigate the clinical characteristics of exogenous progestogen hypersensitivity (PH). METHODS: We retrospectively reviewed data from patients presenting with dermatitis induced by exogenous progesterone between 2011 and 2016...
August 13, 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/30118244/a-hereditary-angioedema-screening-on-an-index-case-turkey
#14
Mehmet Yasar Ozkars, Ozlem Keskin, Nazan Bayram, Mehmet Keskin, Hasan Bayram, Yavuz Sahin, Ercan Kucukosmanoglu, Nurhan Attila, Serkan Kirik Kirik
BACKGROUND: Hereditary angioedema (HAE) is characterised by recurrent episodes of angioedema and can be fatal. OBJECTIVE: The present study aimed to screen HAE. METHODS: A total of 60 individuals were screened. The frequency and severity of symptoms were scored from 0 to 8. Measurements were taken of C4 and C1 esterase inhibitor protein (C1-INH) levels. Mutation in the C1 inhibitor gene was examined in 9 patients with HAE. RESULTS: A positive correlation between the C1esterase inhibitor proteinlevels and C4 level was detected in the group as a whole (p < 0...
August 13, 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/30118243/comparison-between-pediatric-respiratory-assessment-measure-pram-score-and-wood-asthma-score-to-assess-acute-asthma-exacerbation
#15
Chaiyaphat Thaweerujirot, Tassalapa Daengsuwan
BACKGROUND: Wood's score, the assessment of childhood respiratory failure, has been used to assess childhood acute asthma severity in Thailand since 19th century. However, PRAM score, which is increasingly used in Western countries has not been evaluated among Thai children with asthma. OBJECTIVES: This study aims to determine whether Wood or PRAM score is better prediction of severity of childhood asthma exacerbation. METHODS: The prospective comparative study of severity asthma score was performed in asthmatic children, 2-18 years old, with acute asthma exacerbation at Queen Sirikit National Institute of Child Health...
August 13, 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/30118242/the-cooperation-of-pharmacologic-dose-ascorbate-with-ceftriaxone-against-staphylococcus-aureus-through-bactericidal-synergy-and-enhanced-macrophage-killing-activity
#16
Chulamartd Wirapakorn, Uthaibhorn Singkham-In, Sujittra Taratummarat, Saowapha Surawut, Peerapat Visitchanakun, Tanittha Chatsuwan, Asada Leelahavanichkul
BACKGROUND: Ascorbate is a low-cost compound with a known bactericidal-synergy to antibitics. However, the synergy depends on concentrations and organisms. Thus, the synergy test by time-kill assay might be appropriate for the screening of the synergy. OBJECTIVE: We aimed to test the adjuvant property of ascorbate with ceftriaxone, a frequently prescribed β-lactam antibiotic. METHOD: Ascorbate was tested with several bacteria from the American Type Culture Collection (ATCC) including Staphylococcus aureus, Pseudomonas aeruginosa, Acinetobacter baumannii and Escherichia coli for i) bactericidal property of ascorbate, alone or with ceftriaxone-combination, by time-kill assay, ii) an influence on the killing-activity of bone -marrow-derived macrophage and iii) the attenuation of myositis mouse model...
August 13, 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/30118241/effects-of-aerobic-exercise-and-vitamin-c-supplementation-on-rhinitis-symptoms-in-allergic-rhinitis-patients
#17
Wannaporn Tongtako, Jettanong Klaewsongkram, Timothy D Mickleborough, Daroonwan Suksom
INTRODUCTION: Exercise training and vitamin C supplementation have both been recommended as an effective adjuvant treatment in the management of symptoms in patients with many diseases. However, its effects on rhinitis symptoms remain unclear. The aim of the present study was to determine the effects of exercise training alone, and in combination with vitamin C supplementation, on rhinitis symptoms in allergic rhinitis patients. METHODS: Twenty-seven rhinitis patients were randomized into 3 groups: control (CON; n = 8), exercise (EX; n = 9), and exercise combined with vitamin C (EX + Vit...
August 13, 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/29981567/clinical-and-immunological-characteristics-of-antiphospholipid-syndrome-in-an-asian-population-a-retrospective-study
#18
Kanon Jatuworapruk, Lantarima Bhoopat, Punchong Hanvivadhanakul
OBJECTIVES: To describe the characteristics of patients with antiphospholipid syndrome (APS) in an Asian clinical practice setting. METHODS: We conducted a single-center, retrospective study of APS patients attending the rheumatology or hematology clinics, between January 2012 and December 2016. RESULTS: There were 450 patients suspected of having APS referred to our clinics. Seventy-four (16.4%) were diagnosed of APS, 51% of which were definite...
July 8, 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/29981566/randomized-comparison-of-caregivers-ability-to-use-epinephrine-autoinjectors-and-prefilled-syringes-for-anaphylaxis
#19
Panadda Suwan, Phatcharee Praphaiphin, Pantipa Chatchatee
BACKGROUND: Caregivers often incorrectly use epinephrine autoinjectors. It is unclear whether this is due to insufficient training or a difficult-to-use tool. Furthermore, the high costs of epinephrine autoinjectors may limit their availability; so low-cost prefilled syringes may be the alternative. OBJECTIVES AND METHODS: We performed a prospective randomized trial to compare successful epinephrine administration at four stages: after reading written instructions, and immediately after, 6 weeks, and 3 months following video training...
July 8, 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/29981565/the-prevalence-and-sex-difference-of-allergen-sensitization-among-adult-patients-with-allergic-diseases-in-shanghai-china
#20
Ya Ru Yan, Yan Hua Xu, Qing Zheng, Yin Shi Guo
BACKGROUND: The worldwide prevalence of allergic diseases has increased during the last few decades, but it is not well known about the sensitization profiles of adult patients in Shanghai. OBJECTIVE: This study aimed to identify the prevalence and sex difference of allergen sensitization among adult with allergic diseases in Shanghai. METHODS: The sensitization profiles of 7,996 patients (18-60 yrs old) with allergic diseases at our center were retrospectively analyzed, based on the results of skin prick tests...
July 8, 2018: Asian Pacific Journal of Allergy and Immunology
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