2.Selective Inhibition of β-Catenin/Co-Activator Cyclic AMP Response Element-Binding Protein-Dependent Signaling Prevents the Emergence of Hapten-Induced Atopic Dermatitis-Like Dermatitis
Haruna MATSUDA-HIROSE ; Tomoko YAMATE ; Mizuki GOTO ; Akira KATOH ; Hiroyuki KOUJI ; Yuya YAMAMOTO ; Takashi SAKAI ; Naoto UEMURA ; Takashi KOBAYASHI ; Yutaka HATANO
Annals of Dermatology 2019;31(6):631-639
BACKGROUND: The canonical Wnt/β-catenin signaling pathway is a fundamental regulatory system involved in various biological events. ICG-001 selectively blocks the interaction of β-catenin with its transcriptional co-activator cyclic AMP response element-binding protein (CBP). Recent studies have provided convincing evidence of the inhibitory effects of ICG-001 on Wnt-driven disease models, such as organ fibrosis, cancer, acute lymphoblastic leukemia, and asthma. However, the effects of ICG-001 in atopic dermatitis (AD) have not been investigated. OBJECTIVE: To investigate whether β-catenin/CBP-dependent signaling was contributed in the pathogenesis of AD and ICG-001 could be a therapeutic agent for AD. METHODS: We examined the effects of ICG-001 in an AD-like murine model generated by repeated topical application of the hapten, oxazolone (Ox). ICG-001 or vehicle alone was injected intraperitoneally every day during the development of AD-like dermatitis arising from once-daily Ox treatment. RESULTS: Ox-induced AD-like dermatitis characterized by increases in transepidermal water loss, epidermal thickness, dermal thickness accompanied by increased myofibroblast and mast cell counts, and serum levels of thymic stromal lymphopoietin and thymus and activation-regulated chemokine, and decreases in stratum corneum hydration, were virtually normalized by the treatment with ICG-001. Elevated serum levels of periostin tended to be downregulated, without statistical significance. CONCLUSION: These results suggest that β-catenin/CBP-dependent signaling might be involved in the pathogenesis of AD and could be a therapeutic target.
Animals
;
Asthma
;
Chemokine CCL17
;
Cyclic AMP Response Element-Binding Protein
;
Cyclic AMP
;
Dermatitis
;
Dermatitis, Atopic
;
Fibrosis
;
Mast Cells
;
Mice
;
Myofibroblasts
;
Oxazolone
;
Precursor Cell Lymphoblastic Leukemia-Lymphoma
;
Water
3.Influence of Signal Intensity Non-Uniformity on Brain Volumetry Using an Atlas-Based Method.
Masami GOTO ; Osamu ABE ; Tosiaki MIYATI ; Hiroyuki KABASAWA ; Hidemasa TAKAO ; Naoto HAYASHI ; Tomomi KUROSU ; Takeshi IWATSUBO ; Fumio YAMASHITA ; Hiroshi MATSUDA ; Harushi MORI ; Akira KUNIMATSU ; Shigeki AOKI ; Kenji INO ; Keiichi YANO ; Kuni OHTOMO
Korean Journal of Radiology 2012;13(4):391-402
OBJECTIVE: Many studies have reported pre-processing effects for brain volumetry; however, no study has investigated whether non-parametric non-uniform intensity normalization (N3) correction processing results in reduced system dependency when using an atlas-based method. To address this shortcoming, the present study assessed whether N3 correction processing provides reduced system dependency in atlas-based volumetry. MATERIALS AND METHODS: Contiguous sagittal T1-weighted images of the brain were obtained from 21 healthy participants, by using five magnetic resonance protocols. After image preprocessing using the Statistical Parametric Mapping 5 software, we measured the structural volume of the segmented images with the WFU-PickAtlas software. We applied six different bias-correction levels (Regularization 10, Regularization 0.0001, Regularization 0, Regularization 10 with N3, Regularization 0.0001 with N3, and Regularization 0 with N3) to each set of images. The structural volume change ratio (%) was defined as the change ratio (%) = (100 x [measured volume - mean volume of five magnetic resonance protocols] / mean volume of five magnetic resonance protocols) for each bias-correction level. RESULTS: A low change ratio was synonymous with lower system dependency. The results showed that the images with the N3 correction had a lower change ratio compared with those without the N3 correction. CONCLUSION: The present study is the first atlas-based volumetry study to show that the precision of atlas-based volumetry improves when using N3-corrected images. Therefore, correction for signal intensity non-uniformity is strongly advised for multi-scanner or multi-site imaging trials.
Adult
;
Atlases as Topic
;
Brain Mapping/*methods
;
Female
;
Humans
;
Image Enhancement/methods
;
Image Processing, Computer-Assisted/*methods
;
Magnetic Resonance Imaging/*methods
;
Male
;
Middle Aged
;
Software
;
Statistics, Nonparametric
4.Effects of Psychosocial Factors on Acupuncture in Patients with Chronic Low Back Pain—Exploratory Analysis and Logistic Regression Analysis Based on the Results of Immediate Effect—
Erika MATSUDA ; Hiroshi KONDO ; Hiroaki KINOSHITA ; Akihiro SUNAYAMA ; Naoto ISHIZAKI ; Satoshi AYUZAWA
The Journal of The Japanese Society of Balneology, Climatology and Physical Medicine 2020;83(3):2334-
Objective: Various psychosocial factors were exploratively investigated in order to specify items that influence on immediate effect of acupuncture among patients with chronic low back pain. Method: Fifty-six outpatients with initial diagnosis of chronic low back pain, visiting the Acupuncture Department of Center for Integrative Medicine, Tsukuba University of Technology between August to December 2019 were included in the study. The baseline lumbar pain intensity of the patients evaluated using the Visual Analogue Scale (VAS) was >30 mm. Psychological scales viz., Pain Catastrophizing Scale (PCS), Hospital Anxiety and Depression Scale (HADS), Pain Self-Efficacy Questionnaire (PSEQ), social factors (cohabitation family situation, final education, social participation status), lumbar dysfunction, and impression on acupuncture were recorded using a self-administered questionnaire during the first visit. Patients showing decreased VAS scale (≦30 mm) after the first acupuncture treatment as well as self-recognition of improvement in pain were classified as “high responders” while the others were treated as “low responders”. Physical and psychosocial factors were exploratively compared between high and low responders and logistic regression analysis of the two groups was performed using a dichotomous dependent variable. Results and Discussion: The number of high and low responders were 22 and 34, respectively. On comparing these groups exploratively, positive (P=0.001) and negative (P=0.004) impression on acupuncture were the only items that showed statistical significance. Among items used as covariates in the logistic regression analysis, the PCS (OR: 0.886 (95% CI: 0.808 to 0.971); P=0.010), positive impression on acupuncture (OR: 5.085 (95% CI: 1.724 to 15.002); P=0.003), and number of people living together (OR: 0.355 (95% CI: 0.149 to 0.844); P=0.019) showed statistical significance. Hence, it may be suggested that psychosocial factors influence the immediate effect of acupuncture among patients with chronic low back pain.
5.Relationship between psychosocial factors and effects of acupuncture after four weeks in patients with chronic low back pain (2nd Report)
Erika MATSUDA ; Hiroshi KONDO ; Hiroaki KINOSHITA ; Akihiro SUNAYAMA ; Naoto ISHIZAKI ; Satoshi AYUZAWA
Journal of the Japan Society of Acupuncture and Moxibustion 2021;71(2):95-106
[Objective] In the past, we reported results focusing on the immediate effect of psychosocial factors that influence the effects of acupuncture on patients with chronic low back pain. In the present study, we conducted a retrospective analysis of the data before and after four weeks of acupuncture therapy.[Materials and Methods] Fifty-three patients with an initial diagnosis of chronic low back pain who visited the Acupuncture Department of the Center for Integrative Medicine, Tsukuba University of Technology between August and December 2019 and showed baseline lumbar pain intensity by Visual Analogue Scale (VAS) > 30 mm, were subjects of this study. Psychosocial scales viz, Pain Catastrophizing Scale (PCS), Hospital Anxiety and Depression Scale (HADS), Pain Self-Efficacy Questionnaire (PSEQ), social factors (cohabitation family situation, final education, social participation status), Roland-Morris Disability Questionnaire (RDQ), and impression of acupuncture were recorded using a self-administered questionnaire at the first visit and at four weeks after the first acupuncture therapy. Based on VAS, RDQ, and anchor questions about low back pain before and four weeks after the acupuncture therapy, patients were classified into "effective group" and "non-effective group"; then, the logistic regression analysis was performed using this classification as a dependent variable. In addition, r repeated measures analysis of variance (rANOVA) was performed on the data before and after four weeks of acupuncture therapy.[Results and Discussion] The number of patients in the "effective group" and "non-effective group" were 24 and 29, respectively. Among items used as covariates in the logistic regression analysis, the PCS (OR: 0.924, P = 0.037) and age (OR: 0.418, P = 0.005) showed statistical significance. In the rANOVA, all the evaluated items showed statistically significant differences before and after four weeks; only VAS in motion showed a statistically significant difference (P = 0.046) regarding the presence or absence of an immediate effect. Therefore, it was suggested that it is important to focus on psychosocial factors from an early stage of therapy, and to make appropriate evaluations and judgments based on both physical and psychosocial aspects of patients to treat them effectively.
6.Epidemiological survey to establish thresholds for influenza among children in satellite cities of Tokyo, Japan, 2014–2018
Ayako Matsuda ; Kei Asayama ; Taku Obara ; Naoto Yagi ; Takayoshi Ohkubo
Western Pacific Surveillance and Response 2022;13(3):09-17
Objective: We described the characteristics of children reported as having influenza across five consecutive influenza seasons and investigated the usefulness of setting influenza thresholds in two satellite cities of Tokyo, Japan.
Methods: An annual survey was conducted among parents of children at preschools (kindergartens and nursery schools), elementary schools and junior high schools in Toda and Warabi cities, Saitama prefecture, at the end of the 2014–2018 influenza seasons. Using the World Health Organization method, we established seasonal, high and alert thresholds.
Results: There were 64 586 children included in the analysis. Over the five seasons, between 19.1% and 22% of children annually were reported as having tested positive for influenza. Influenza type A was reported as the dominant type, although type B was also reported in more than 40% of cases in the 2015 and 2017 seasons. The median period of the seasonal peak was 3 weeks in mid-January, regardless of school level. Of the five surveyed seasons, the high threshold was reached in 2014 and 2018, with no season exceeding the alert threshold.
Discussion: This study provides insights into the circulation of influenza in children in the study areas of Toda and Warabi, Japan, from 2014 to 2018. Although we were able to utilize these annual surveys to calculate influenza thresholds from five consecutive seasons, the prospective usefulness of these thresholds is limited as the survey is conducted at the end of the influenza season.