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Kyeong Eun Hyung,Soo Jeong Kim,Ye Won Jang,Da Kyoung Lee,Kee Hyeob Hyun,Byoung Seok Moon,Bongjoon Kim,Heeyoon Ahn,So-Young Park,Uy Dong Sohn,Eon Sub Park,Kwang Woo Hwang 대한생리학회-대한약리학회 2017 The Korean Journal of Physiology & Pharmacology Vol.21 No.3
Atopic dermatitis (AD) is an inflammatory skin condition accompanied by symptoms such as edema and hemorrhage. Kimchi is a traditional fermented Korean dish consisting of various probiotics. In this study, the therapeutic effect of <i>Lactobacillus plantarum</i> CJLP55 isolated from Kimchi was studied in AD-induced mice. Orally administered <i>Lactobacillus</i> strain, CJLP55, suppressed AD symptoms and high serum IgE levels. CJLP55 administration reduced the thickness of the epidermis, infiltration of mast cells and eosinophils into the skin lesion, enlargement of axillary lymph nodes, and increase in cell population in axillary lymph nodes. CJLP55 treatment decreased the production of type 2 cytokines, such as interleukin (IL)-4, IL-5, IL-10, IL-12, interferon (IFN)-γ, and IL-6,which were stimulated by house dust miteextracts, in the axillary lymph node cells. Orally administered CJLP55 exhibited a therapeutic effect on house dust mite-induced AD in NC⁄Nga mice after onset of the disease by altering immune cell activation. The <i>Lactobacillus</i> strain, CJLP55, isolated from Kimchi, suppressed AD. Our results suggest its possible use as a potential candidate for management of AD.
Mating environment favorable for colony development of the European bumblebee, Bombus terrestris
Hyung Joo Yoon,Sam Eun Kim,Kyeong yong Lee,Sang Beom Lee,In Gyun Park 한국응용곤충학회 2008 한국응용곤충학회 학술대회논문집 Vol.2008 No.10
We investigated mating conditions about care temperature of queen before mating, mating period, and number of queen per mating cage to improve mating rate of Bombus terrestris. Among 19℃, 22℃ and 25℃, care temperatures of queen before mating, queen cared at 19℃ was more effective than those at 22℃ and 25℃ in death rate during care and mating periods, and colony development. In case of mating period, oviposition rate and preoviposition periods at queen mated during 3 days were 89.3% and 11.4 days, respectively, which was higher and earlier than those of queen mated during 5 days and 7 days. The rate of worker emergence, colony foundation and progeny-queen production at 3 daysmated queen were also 2.0-11.6% higher than those at queen mated during 5 days and 7 days. In number of queen per mating cage, the rate of worker emergence, colony foundation and progeny-queen production queen mated at mating cage with 10 queens and 30 males were 41.5%, 25.9% and 23.2%, respectively. These values correspond to 1.5-6.8 folds those queen mated at cage with 20 queens and 30 queens. Therefore, we supposed that care temperature favorable for B. terrestris queen was 19℃ and the period need to mating was 3 days, and the number of queen per mating cage (55× 45× 65㎝) was 10.
Hyung, Kyeong Eun,Kim, Soo Jeong,Jang, Ye Won,Lee, Da Kyoung,Hyun, Kee Hyeob,Moon, Byoung Seok,Kim, Bongjoon,Ahn, Heeyoon,Park, So-Young,Sohn, Uy Dong,Park, Eon Sub,Hwang, Kwang Woo The Korean Society of Pharmacology 2017 The Korean Journal of Physiology & Pharmacology Vol.21 No.3
Atopic dermatitis (AD) is an inflammatory skin condition accompanied by symptoms such as edema and hemorrhage. Kimchi is a traditional fermented Korean dish consisting of various probiotics. In this study, the therapeutic effect of Lactobacillus plantarum CJLP55 isolated from Kimchi was studied in AD-induced mice. Orally administered Lactobacillus strain, CJLP55, suppressed AD symptoms and high serum IgE levels. CJLP55 administration reduced the thickness of the epidermis, infiltration of mast cells and eosinophils into the skin lesion, enlargement of axillary lymph nodes, and increase in cell population in axillary lymph nodes. CJLP55 treatment decreased the production of type 2 cytokines, such as interleukin (IL)-4, IL-5, IL-10, IL-12, interferon (IFN)-${\gamma}$, and IL-6,which were stimulated by house dust mite extracts, in the axillary lymph node cells. Orally administered CJLP55 exhibited a therapeutic effect on house dust mite-induced AD in NC/Nga mice after onset of the disease by altering immune cell activation. The Lactobacillus strain, CJLP55, isolated from Kimchi, suppressed AD. Our results suggest its possible use as a potential candidate for management of AD.
Hyung, Kyeong Eun,Moon, Byoung Seok,Kim, Bongjoon,Park, Eon Sub,Park, So-Young,Hwang, Kwang Woo Elsevier 2017 Journal of Functional Foods Vol.29 No.-
<P><B>Abstract</B></P> <P>Commensal bacteria interact with mucosal immune or epithelial cells to modulate the immune system. Probiotics have been proposed as a novel preventive or therapeutic method for immunological diseases because of their ability to alter intestinal microflora. Herein, lactobacilli isolated from kimchi were tested for their capacity to modulate intestinal allergy in mice. Lactic acid bacteria suppressed IL-4, IL-5, IL-13, and IL-17A cytokine production in splenocytes from OVA-sensitized mice <I>in vitro</I>. In a mouse model of food allergy, lactobacilli significantly inhibited the expression of Th2-associated gene products such as GATA3, IL-4, IL-5, IL-9, and IL-13 in the small intestine. Moreover, pro-inflammatory cytokine levels were lower in the lactobacillus group. Lactic acid bacteria also modulated mast cell infiltration and activation. Serum IgE/IgG2a and IgG1/IgG2a ratios were altered to alleviate Th2 responses. In conclusion, lactobacilli from kimchi effectively regulated intestinal allergy by suppressing Th2 responses and modulating mast cell function and recruitment.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Lactobacilli isolated from kimchi suppress Th2 cytokine production <I>in vitro</I>. </LI> <LI> Lactobacilli significantly inhibit Th2 responses in food allergy mice. </LI> <LI> Pro-inflammatory cytokine levels are lowered by administration of lactobacilli. </LI> <LI> CJLP133 and CJLP243 regulate mast cell infiltration in jejunum tissue. </LI> <LI> CJLP133 and CJLP243 adjust immune responses in food allergy mice. </LI> </UL> </P>
Oh, Kyeong Eun,Yim, Hyung Eun,Yoo, Kee Hwan Korean Society of Pediatric Nephrology 2020 Childhood kidney diseases Vol.24 No.2
Purpose: The aim of this study is to evaluate the clinical utility of late 6-month dimercapto-succinic acid (DMSA) renal scan in predicting vesicoureteral reflux (VUR) and long-lasting renal scars in children with first acute pyelonephritis (APN). Methods: A retrospective case study of children admitted with APN from January 2010 to July 2017 was performed. The study included patients with voiding cystourethrography (VCUG) and acute and late 6-month DMSA scan. We analyzed the clinical, laboratory and imaging findings of patients with and without late cortical defects at 6 months and those with or without VUR. Results: Among 145 children with APN, 50 (34.5%) had cortical defects on the late DMSA renal scan and 60 (41.4%) showed VUR. Thirteen of 38 (34.2%) children undergoing 18-month DMSA renal scan showed a long-lasting renal scars. Compared with children without late cortical defects, patients with late 6-month cortical defects had a higher incidence of VUR and long-lasting renal scars, and relapse of UTI (all P<0.05). In a multivariable analysis, both high-grade VUR and relapse of UTI were independently correlated with the presence of late 6-month cortical defects (P<0.05). Late cortical defects and relapse of UTI were also associated with the presence of VUR (P<0.05). Only the late 6-mo cortical defects was an independent predictor of long-lasting renal scars in children with APN (P<0.05). Conclusion: An abnormal late 6-month DMSA renal scan may be useful in identifying VUR and long-lasting renal scars in children diagnosed with APN.
Evaluation of vaccines for the SAT 1, SAT 2, and SAT 3 serotypes of Foot-and-Mouth Disease in pigs
Hye-Eun Jo(Hye-Eun Jo),Su-Hwa You(Su-Hwa You),Joo-Hyung Choi(Joo-Hyung Choi),Mi-Kyeong Ko(Mi-Kyeong Ko),Sung Ho Shin(Sung Ho Shin),Hyundong Jo(Hyundong Jo),Min Ja Lee(Min Ja Lee),Su-Mi Kim(Su-Mi Kim) 한국예방수의학회 2019 한국예방수의학회 학술대회자료집 Vol.2018 No.-
Han, Jee Eun,Kim, Ji-Eun,Jo, Hayun,Eun, Jong-Su,Lee, Chorong,Kim, Ji Hyung,Lee, Kyeong-Jun,Kim, Jae-Won Elsevier 2019 Aquaculture Vol.512 No.-
<P><B>Abstract</B></P> <P>In this study, co-infection of white spot syndrome virus (WSSV) and AHPND-<I>Vibrio parahaemolyticus</I> (<I>Vp</I> <SUB>AHPND</SUB>), was studied in juvenile <I>Penaeus vannamei</I> under the laboratory condition. Experimental shrimp were divided into 4 groups (group 1: WSSV only; group 2: <I>Vp</I> <SUB>AHPND</SUB> only; group 3: WSSV + <I>Vp</I> <SUB>AHPND</SUB>; group 4: not challenged), and for the co-infection, shrimp were challenged with dual pathogens (initially exposed to WSSV and subsequently exposed to <I>Vp</I> <SUB>AHPND</SUB>). During the experiments, we observed an increased mortality rate in the co-infection group (group 3, <I>N</I> = 7/20 shrimp at day 2 post-infection [p.i.], and <I>N</I> = 15/20 shrimp at day 3 p.i.) than other groups (<I>N</I> = 1/20 shrimp at day 3 p.i., and <I>N</I> = 10/20 shrimp at day 4 p.i. in group 2; no mortalities in group 1 and 4). Also, we found obvious differences in WSSV infection among groups; strong WSSV-positives were detected by immunohistochemistry examination (brown coloration) and qPCR assay (the copy numbers between 2.0 × 10<SUP>3</SUP>–3.7 × 10<SUP>4</SUP>) in the co-infection group on the termination day, but these were not detected in the other groups. In addition, there were prominent differences in the histopathology of the hepatopancreas of surviving shrimp among groups; shrimp of the co-infection group showed typical histopathology signs of AHPND in the hepatopancreas, with sloughing of hepatopancreatic tubule epithelial cells (G4) on the termination day, but the hepatopancreas in shrimp of the other groups appeared normal. This study demonstrated that shrimp initially exposed to WSSV allows <I>Vp</I> <SUB>AHPND</SUB> to cause faster and higher mortality than shrimp infected with <I>Vp</I> <SUB>AHPND</SUB> alone, and also leads to severe WSSV infection, indicating that WSSV is a risk factor for <I>Vp</I> <SUB>AHPND</SUB> in ponds. Therefore, shrimp farmers should pay attention to the management of co-infection in the pond.</P> <P><B>Highlights</B></P> <P> <UL> <LI> This is the first study examining the co-infection of WSSV and <I>Vp<SUB>AHPND</SUB> </I> by the shrimp laboratory assay. </LI> <LI> First, the mortality of shrimp was increased by the co-infection with WSSV and <I>Vp<SUB>AHPND</SUB> </I> than by the single infection. </LI> <LI> Also, the level of WSSV infection was increased after the <I>Vp<SUB>AHPND</SUB> </I> infection, confirmed by the immunohistochemistry examination and the qPCR. </LI> <LI> Additionally, shrimp initially exposed to WSSV were hardly recovered from the <I>Vp<SUB>AHPND</SUB> </I>, confirmed by the histopathology examination. </LI> <LI> To sum up, these findings demonstrate that WSSV infection is a risk factor for <I>Vp<SUB>AHPND</SUB> </I> in shrimp ponds. </LI> </UL> </P>