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Allergology International: Official Journal of the Japanese Society of Allergology

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https://www.readbyqxmd.com/read/28539203/the-interplay-between-neuroendocrine-activity-and-psychological-stress-induced-exacerbation-of-allergic-asthma
#1
REVIEW
Tomomitsu Miyasaka, Kaori Dobashi-Okuyama, Tomoko Takahashi, Motoaki Takayanagi, Isao Ohno
Psychological stress is recognized as a key factor in the exacerbation of allergic asthma, whereby brain responses to stress act as immunomodulators for asthma. In particular, stress-induced enhanced type 2 T-helper (Th2)-type lung inflammation is strongly associated with asthma pathogenesis. Psychological stress leads to eosinophilic airway inflammation through activation of the hypothalamic-pituitary-adrenal pathway and autonomic nervous system. This is followed by the secretion of stress hormones into the blood, including glucocorticoids, epinephrine, and norepinephrine, which enhance Th2 and type 17 T-helper (Th17)-type asthma profiles in humans and rodents...
May 20, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28532701/dectin-1-plays-a-critical-role-in-hdm-induced-pge2-production-in-macrophages
#2
LETTER
Takashi Ito, Koichi Hirose, Ayako Norimoto, Aiko Saku, Hiroshi Nakajima
No abstract text is available yet for this article.
May 20, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28526210/early-control-treatment-with-montelukast-in-preschool-children-with-asthma-a-randomized-controlled-trial
#3
Mizuho Nagao, Masanori Ikeda, Norimasa Fukuda, Chizu Habukawa, Tetsuro Kitamura, Toshio Katsunuma, Takao Fujisawa
BACKGROUND: While Japanese guideline recommends initial control treatment for preschool children with asthma symptoms more than once a month, Western guidelines do not. To determine whether control treatment with montelukast was more effective than as-needed β2-agonists in this population, we conducted a randomized controlled trial. METHODS: Eligible patients were children aged 1-5 years who had asthma symptoms more than once a month but less than once a week. Patients were randomly assigned in a 1:1 ratio to receive montelukast 4 mg daily for 48 weeks or as-needed β2-agonists...
May 16, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28522276/a-case-of-refractory-chronic-rhinosinusitis-with-anti-desmoglein-3-igg4-autoantibody
#4
LETTER
Yasushi Ota, Fumio Ishikawa, Toshiya Sato, Nobuyuki Hiruta, Makoto Kitamura, Hiromitsu Yokota, Yoshihiro Ikemiyagi, Hideaki Bujo, Mutsunori Fujiwara, Mitsuya Suzuki
No abstract text is available yet for this article.
May 15, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28506528/emerging-roles-of-basophils-in-allergic-inflammation
#5
REVIEW
Kensuke Miyake, Hajime Karasuyama
Basophils have long been neglected in immunological studies because they were regarded as only minor relatives of mast cells. However, recent advances in analytical tools for basophils have clarified the non-redundant roles of basophils in allergic inflammation. Basophils play crucial roles in both IgE-dependent and -independent allergic inflammation, through their migration to the site of inflammation and secretion of various mediators, including cytokines, chemokines, and proteases. Basophils are known to produce large amounts of IL-4 in response to various stimuli...
May 11, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28499720/t-follicular-helper-and-th2-cells-in-allergic-responses
#6
REVIEW
Masato Kubo
IL-4 is a cytokine commonly secreted by TH2 and follicular helper T (TFH) cells after antigenic sensitization. TH2 cells have been thought to be the major contributor of B cell help as a source of IL-4 responsible for class switch recombination to Immunoglobulin G1 (IgG1) and Immunoglobulin E (IgE). Importantly, there are some differences in transcriptional regulation between these two T cell subsets. The IL-4 production by TH2 and TFH cells is distinctively regulated by two pathways, GATA-3-mediated Il4-HS2 enhancer and Notch mediated Il4-CNS-2 enhancer...
May 9, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28479284/skin-prick-test-is-more-useful-than-specific-ige-for-diagnosis-of-buckwheat-allergy-a-retrospective-cross-sectional-study
#7
Noriyuki Yanagida, Sakura Sato, Kyohei Takahashi, Ken-Ichi Nagakura, Kiyotake Ogura, Tomoyuki Asaumi, Motohiro Ebisawa
BACKGROUND: Buckwheat (BW) is a potentially life-threatening allergen. Usefulness of BW-specific immunoglobulin-E (BW-sIgE) level for diagnosis of BW allergy is controversial, while the skin prick test (SPT) is widely used because of its less invasive procedure and immediate results. However, there are no data comparing usefulness of the SPT and BW-sIgE level. Therefore, our study aimed to clarify efficacy of the SPT for diagnosis of BW allergy. METHODS: This retrospective cross-sectional study evaluated patients who underwent an oral food challenge (OFC) for diagnosis or confirmation of acquired tolerance using 3072 mg of BW protein between July 2006 and April 2014...
May 4, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28460831/association-of-japanese-cedar-pollinosis-and-sensitization-with-hla-dpb1-in-the-japanese-adolescent
#8
Wataru Morii, Aiko Sakai, Takahiro Ninomiya, Masanori Kidoguchi, Ryo Sumazaki, Shigeharu Fujieda, Emiko Noguchi
BACKGROUND: Allergic rhinitis (AR) is a heterogeneous disorder that significantly affects daily activity, work productivity, sleep, learning, and quality of life in all generations. Japanese cedar (JC) pollen is the most common allergen responsible for the development of AR in Japan. AR caused by JC pollen is considered to be a multifactorial inheritance disease that is caused by both environmental and genetic factors. The aim of this study was to investigate whether Human Leukocyte Antigen-DPB1 (HLA-DPB1) is associated with JC sensitization/pollinosis...
April 28, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28455155/-spike-in-acute-asthma-exacerbations-during-enterovirus-d68-epidemic-in-japan-a-nation-wide-survey
#9
Seigo Korematsu, Kengo Nagashima, Yasunori Sato, Mizuho Nagao, Shunji Hasegawa, Haruna Nakamura, Shiro Sugiura, Katsushi Miura, Kenji Okada, Takao Fujisawa
BACKGROUND: In September 2015, Japan experienced an unusual increase in acute asthma hospitalizations of children that coincided with an enterovirus D68 (EV-D68) epidemic. The objective of this study is to investigate whether EV-D68 had a causal relationship with the spike in asthma hospitalizations. METHODS: A nation-wide retrospective survey of asthma hospitalizations of children was performed for the period from January 2010 through October 2015. The Japanese Society of Pediatric Allergy and Clinical Immunology asked its affiliated hospitals to report monthly numbers of hospitalizations, ICU admissions and mechanical ventilations due to acute asthma exacerbation...
April 25, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28462829/the-significant-expression-of-trpv3-in-nasal-polyps-of-eosinophilic-chronic-rhinosinusitis
#10
Takahiro Tokunaga, Takahiro Ninomiya, Yukinori Kato, Yoshimasa Imoto, Masafumi Sakashita, Tetsuji Takabayashi, Emiko Noguchi, Shigeharu Fujieda
BACKGROUND: The number of patients with eosinophilic chronic rhinosinusitis (ECRS) has been increasing in recent years in Japan. In ECRS, nasal polyps recur immediately after endoscopic sinus surgery. The molecular biological mechanism underlying the refractoriness of ECRS is unclear. METHODS: Whole-transcriptome analysis with next-generation sequencing (RNA-seq) was conducted to investigate the molecular biological mechanism of ECRS. Real-time PCR, immunohistochemical staining, and immunofluorescence staining were performed to validate the results of RNA-seq...
April 24, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28442182/a-retrospective-study-acute-rheumatic-fever-and-post-streptococcal-reactive-arthritis-in-japan
#11
Satoshi Sato, Yoji Uejima, Eisuke Suganuma, Tadamasa Takano, Yutaka Kawano
BACKGROUND: Acute rheumatic fever (ARF) and post-streptococcal reactive arthritis (PSRA) are immune-mediated consequences of group A streptococcal pharyngitis. ARF has declined in developed nations. No prevalence survey of PSRA has been conducted. This study evaluated the incidence and characteristics of ARF and PSRA in Japanese children. METHODS: From 2010 to 2015, ARF and PSRA were evaluated using clinical data retrospectively collected by chart review from 528 hospitals...
April 22, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28433622/diminished-capacity-of-opsonization-and-immune-complex-solubilization-and-detection-of-anti-c1q-antibodies-in-sera-from-patients-with-hereditary-angioedema
#12
Daisuke Honda, Isao Ohsawa, Nobuyuki Sato, Hiroyuki Inoshita, Satoshi Mano, Yasuhiko Tomino, Yusuke Suzuki
BACKGROUND: Hereditary angioedema (HAE) is an autosomal dominant disease caused by deficiency of C1 esterase inhibitor. Symptoms of HAE include edema, which can potentially cause suffocation. Some patients with HAE exhibit immunological abnormalities, which could prevent an accurate diagnosis. Low levels of complement components are characteristic of HAE and in other settings are thought to reduce elimination of apoptotic cells and immune complex (IC). Thus, we aimed to experimentally clarify the mechanism of immunological abnormalities using sera from HAE patients...
April 19, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28391980/histamine-h1-and-h4-receptor-expression-on-the-ocular-surface-of%C3%A2-patients-with-chronic-allergic-conjunctival-diseases
#13
Noriko Inada, Jun Shoji, Yukiko Shiraki, Hiroshi Aso, Satoru Yamagami
BACKGROUND: This study investigated the histamine H1 and H4 receptors mRNA (H1R and H4R, respectively) expression on the ocular surface of patients with chronic forms of allergic conjunctival diseases to determine whether they can serve as biomarkers for allergic inflammation in the conjunctiva. METHODS: We examined 19 patients with vernal or atopic keratoconjunctivitis (AKC/VKC group) and 15 healthy volunteers (control group). The AKC/VKC group was divided into active and stable stage subgroups...
April 5, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28391979/maintenance-of-pathogenic-th2-cells-in-allergic-disorders
#14
REVIEW
Kenta Shinoda, Kiyoshi Hirahara, Toshinori Nakayama
Immunological memory is an important protective mechanism that enables host organisms to respond rapidly and vigorously to pathogens that have been previously encountered. In addition to the protective function, memory CD4(+) T helper (Th) cells play a central role in the pathogenesis of chronic inflammatory disorders, including asthma. Recently, several investigators have identified phenotypically and functionally distinct memory Th2 cell subsets that produce IL-5. These memory Th2 cell subsets play an important role in the pathology of allergic inflammation and function as memory-type "pathogenic Th2 (Tpath2) cells" both in mice and humans...
April 5, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28389065/nattokinase-profibrinolytic-enzyme-effectively-shrinks-the-nasal-polyp-tissue-and-decreases-viscosity-of-mucus
#15
Tetsuji Takabayashi, Yoshimasa Imoto, Masafumi Sakashita, Yukinori Kato, Takahiro Tokunaga, Kanako Yoshida, Norihiko Narita, Tamotsu Ishizuka, Shigeharu Fujieda
BACKGROUND: Chronic rhinosinusitis with nasal polyps (CRSwNP) is often comorbid with asthma and resistant to therapeutic interventions. We recently reported that excessive fibrin deposition caused by impairment of fibrinolysis might play pivotal role in forming nasal polyp. Nattokinase (NK), a serine protease produced by Bacillus subtilis, has been reported to be a strong fibrinolytic enzyme. NK could be a promising drug candidate for use in the treatment of both CRSwNP and asthma. The objective of this study was to investigate the effects of NK on nasal polyp tissues from patients with CRSwNP...
April 4, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28381367/patch-testing-in-patients-with-recurrent-vesicular-hand-eczema
#16
LETTER
Risa Tamagawa-Mineoka, Naomi Nakamura, Sachiko Ueda, Koji Masuda, Norito Katoh
No abstract text is available yet for this article.
April 2, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28366676/pustular-allergic-contact-dermatitis-caused-by-disperse-yellow-3-in-a-dark-blue-dress
#17
LETTER
Eri Hotta, Risa Tamagawa-Mineoka, Koji Masuda, Norito Katoh
No abstract text is available yet for this article.
March 30, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28366675/the-dual-regulation-of-substance-p-mediated-inflammation-via-human-synovial-mast-cells-in-rheumatoid-arthritis
#18
Yuki Okamura, Shintaro Mishima, Jun-Ichi Kashiwakura, Tomomi Sasaki-Sakamoto, Shota Toyoshima, Kazumichi Kuroda, Shu Saito, Yasuaki Tokuhashi, Yoshimichi Okayama
BACKGROUND: Neural pathways are thought to be directly involved in the pathogenesis of rheumatoid arthritis (RA). Although synovial mast cells (MCs) are activated by substance P (SP), the role of MCs in neural pathways in RA remains unknown. The aims of this study were to investigate 1) whether tachykinins are produced by synovial MCs and whether production differs in RA and osteoarthritis (OA) patients, and 2) what is the responsible receptor for SP in synovial MCs. METHODS: Synovial tissues were obtained from patients with RA or OA undergoing joint replacement surgery...
March 30, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28336254/effectiveness-of-training-patients-using-dvd-in-the-accurate-use-of%C3%A2-inhalers-for-the-treatment-of-bronchial-asthma
#19
Koichiro Takita, Rieko Kondo, Takahiko Horiguchi
BACKGROUND: Inhalants are the standard treatment for patients with bronchial asthma. Inaccurate inhaler use leads to inadequate therapeutic effects and unnecessary dosage increases. However, it is a challenge for practitioners to master the various devices available and train patients on the accurate use of inhalers. Thus, establishing a system to instruct patients on how to accurately use inhalers is essential. We prepared a DVD and accompanying user manual explaining the operation of each inhaler device used in Japan...
March 20, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28320580/roles-of-alternatively-activated-m2-macrophages-in-allergic-contact-dermatitis
#20
REVIEW
Kotaro Suzuki, Kazuyuki Meguro, Daiki Nakagomi, Hiroshi Nakajima
Alternatively activated macrophages (M2 macrophages) play key roles in the suppression of Th1 cell responses and the orchestration of tissue repair. However, recent studies have shown that M2 macrophages have potentials to produce high levels of proinflammatory cytokines such as IL-1β, IL-6, and TNF-α, suggesting that M2 macrophages may exacerbate inflammation in some settings. In this regard, we have recently shown that large numbers of M2 macrophages accumulate in the sites of hapten-induced contact hypersensitivity (CHS), an animal model of allergic contact dermatitis, and that M2 macrophages exacerbate hapten-induced CHS by producing matrix metalloproteinase 12 (MMP12)...
March 17, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
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