1.Management of hereditary angioedema in pediatric, pregnant, and breast-feeding patients: An expert opinion
Sun Young YOON ; Jae-Woo JUNG ; So Young PARK ; Gun-Woo KIM ; Kyunghee SON ; Sung-Yoon KANG ; Hye Jung PARK ; Min-Kyu KANG ; Joo-Hee KIM ; Kyung Hee PARK ; Dong Hun LEE ; Sae-Hoon KIM ; Hyouk-Soo KWON ; Hye-Ryun KANG ; Dong In SUH
Allergy, Asthma & Respiratory Disease 2022;10(3):131-138
Hereditary angioedema (HAE) is a rare inherited condition marked by recurrent skin and submucosal edema. HAE is caused by a C1 inhibitor deficiency or decreased C1 inhibitor function. The initial attack may occur during childhood or pregnancy, with symptoms ranging from classic angioedema to nonspecific stomach cramps. In this review, we discuss strategies for children and pregnant women to manage HAE attacks effectively and safely in light of the recent increase in HAE diagnosis. To begin, aggressive work-up is necessary to confirm HAE–1/2 and to determine the most effective countermeasures. Secondly, in the event of an acute attack, plasma-derived C1-inhibitor is the first line of defense for children and pregnant women. Icatibant is also appropriate for use, except in pregnant women. Fresh frozen plasma (FFP) may be suggested as an alternative. Thirdly, proactive measures to prevent HAE attacks should be considered whenever a procedure is performed that may result in an exacerbation. Finally, FFP, attenuated androgen and antifibrinolytic agents are recommended for long-term prophylaxis in South Korea where the C1-inhibitor is scarce. However, when making a decision, it is necessary to consider both the efficacy and the risk of adverse effects. For proper management, written action plans and first-aid kits are required. The action plans should be customized to the patients‘ unique circumstances.
2.Therapeutic effect of atorvastatin on interleukin-13-induced lung pathology
Yosep MO ; Boram BAE ; Junghyun KIM ; Ruth Lee KIM ; Kyunghee SON ; Min-Jong KANG ; Chun-Gen LEE ; Sang-Heon CHO ; Hye-Ryun KANG
Allergy, Asthma & Respiratory Disease 2021;9(2):76-83
Purpose:
Asthma is a common chronic lung disease, in which interleukin (IL)-13 is implicated as a central regulator of IgE synthesis, mucus hypersecretion, airway hyperresponsiveness (AHR), and fibrosis. This study was designed to determine the anti-inflammatory effect of atorvastatin, a widely used lipid-lowering agent, on the IL-13-induced lung pathology through the modulation of macrophages.
Methods:
Atorvastatin (40 mg/kg) was given to transgenic mice overexpressing IL-13 (IL-13 TG mice) and their wild type littermates by oral gavage for 2 weeks. AHR, numbers of inflammatory cells in the airway, and cytokine levels in IL-13 TG mice were measured.Using the alveolar macrophage cell line CRL-2456, the direct effect of atorvastatin on macrophages activated by recombinant IL-13 was assessed.
Results:
Significant reduction in total leukocytes and alleviation of AHR were observed with administration of atorvastatin in IL-13 TG mice compared to those without atorvastatin treatment (P< 0.05). Atorvastatin administration resulted in upregulation of IL-10 in the lungs of IL-13 TG mice (P< 0.05). In addition, mRNA expression of connective tissue growth factor, fibronectin, and type III collagen as well as chord length enhanced by IL-13 overexpression were reduced by atorvastatin administration (P< 0.05). M2 macrophage markers, such as Ym-1 and CD206, were decreased, while M1 macrophage marker, inducible nitric oxide synthase, was increased upon atorvastatin treatment (P< 0.05). Administration of atorvastatin resulted in improved removal of apoptotic cells (P< 0.05).
Conclusion
The results of this study reveal a potential of atorvastatin as an effective antiasthmatic agent by reducing IL-13-induced lung inflammation via the modulation of macrophage polarization.
3.Gamma-aminobutyric acid-salt attenuated high cholesterol/high salt diet induced hypertension in mice
Myeongjoo SON ; Seyeon OH ; Hye Sun LEE ; Junwon CHOI ; Bae-Jin LEE ; Joung-Hyun PARK ; Chul Hyun PARK ; Kuk Hui SON ; Kyunghee BYUN
The Korean Journal of Physiology and Pharmacology 2021;25(1):27-38
Excessive salt intake induces hypertension, but several gamma-aminobutyric acid (GABA) supplements have been shown to reduce blood pressure. GABAsalt, a fermented salt by L. brevis BJ20 containing GABA was prepared through the post-fermentation with refined salt and the fermented GABA extract. We evaluated the effect of GABA-salt on hypertension in a high salt, high cholesterol diet induced mouse model. We analyzed type 1 macrophage (M1) polarization, the expression of M1 related cytokines, GABA receptor expression, endothelial cell (EC) dysfunction, vascular smooth muscle cell (VSMC) proliferation, and medial thicknesses in mice model. GABA-salt attenuated diet-induced blood pressure increases, M1 polarization, and TNF-α and inducible nitric oxide synthase (NOS) levels in mouse aortas, and in salt treated macrophages in vitro. Furthermore, GABA-salt induced higher GABAB receptor and endothelial NOS (eNOS) and eNOS phosphorylation levels than those observed in salt treated ECs. In addition, GABA-salt attenuated EC dysfunction by decreasing the levels of adhesion molecules (E-selectin, Intercellular Adhesion Molecule-1 [ICAM-1], vascular cell adhesion molecule-1 [VCAM-1]) and of von Willebrand Factor and reduced EC death. GABA-salt also reduced diet-induced reductions in the levels of eNOS, phosphorylated eNOS, VSMC proliferation and medial thickening in mouse aortic tissues, and attenuated Endothelin-1 levels in salt treated VSMCs. In summary, GABA-salt reduced high salt, high cholesterol diet induced hypertension in our mouse model by reducing M1 polarization, EC dysfunction, and VSMC proliferation.
4.Gamma-aminobutyric acid-salt attenuated high cholesterol/high salt diet induced hypertension in mice
Myeongjoo SON ; Seyeon OH ; Hye Sun LEE ; Junwon CHOI ; Bae-Jin LEE ; Joung-Hyun PARK ; Chul Hyun PARK ; Kuk Hui SON ; Kyunghee BYUN
The Korean Journal of Physiology and Pharmacology 2021;25(1):27-38
Excessive salt intake induces hypertension, but several gamma-aminobutyric acid (GABA) supplements have been shown to reduce blood pressure. GABAsalt, a fermented salt by L. brevis BJ20 containing GABA was prepared through the post-fermentation with refined salt and the fermented GABA extract. We evaluated the effect of GABA-salt on hypertension in a high salt, high cholesterol diet induced mouse model. We analyzed type 1 macrophage (M1) polarization, the expression of M1 related cytokines, GABA receptor expression, endothelial cell (EC) dysfunction, vascular smooth muscle cell (VSMC) proliferation, and medial thicknesses in mice model. GABA-salt attenuated diet-induced blood pressure increases, M1 polarization, and TNF-α and inducible nitric oxide synthase (NOS) levels in mouse aortas, and in salt treated macrophages in vitro. Furthermore, GABA-salt induced higher GABAB receptor and endothelial NOS (eNOS) and eNOS phosphorylation levels than those observed in salt treated ECs. In addition, GABA-salt attenuated EC dysfunction by decreasing the levels of adhesion molecules (E-selectin, Intercellular Adhesion Molecule-1 [ICAM-1], vascular cell adhesion molecule-1 [VCAM-1]) and of von Willebrand Factor and reduced EC death. GABA-salt also reduced diet-induced reductions in the levels of eNOS, phosphorylated eNOS, VSMC proliferation and medial thickening in mouse aortic tissues, and attenuated Endothelin-1 levels in salt treated VSMCs. In summary, GABA-salt reduced high salt, high cholesterol diet induced hypertension in our mouse model by reducing M1 polarization, EC dysfunction, and VSMC proliferation.
5.The Study of BD-MSC Therapy against Critical Limb Ischemia.
Myeongjoo SON ; Woong Chol KANG ; Kyunghee BYUN
Korean Journal of Physical Anthropology 2016;29(2):61-69
Critical limb ischemia (CLI) is the most severe peripheral artery disease and caused by thrombus formation in blood vessel. The current strategies for treating CLI does not protect limb amputation and reduction in the risk of mortality. Recently, human bone marrow derived mesenchymal stem cells (BD-MSC) were reported to have a paracrine effects on angiogenesis in several ischemic diseases. So, we validate to determine whether BD-MSC protect against ferric chloride treated CLI and induce angiogenesis. To characterized human bone marrow derived stem cell, BD-MSC differentiated to osteocytes and adipocytes and validated stemness using flow cytometry. Endothelial cell induced angiogenesis followed by mesenchymal stem cell cultured medium treatment in HUVEC in vitro. We also mimicked CLI patients condition using FeCl₃ treated CLI mouse and injected one hundred thousand of BD-MSC along the femoral artery to leg muscle. We validated stem cell survival, blood vessel formation, leg muscle condition and fibrosis compared by saline injected mice 28 days later. In this study, BD-MSC cultured medium treatment increased migration and tube formation of HUVEC and BD-MSC injection had an effective blood vessel formation in FeCl₃ treated CLI. As well as blood vessel formation, limb salvage rate also improved and fibrosis area statistically decreased in BD-MSC injected mice. In conclusion, bone marrow derived mesenchymal stem cell improved not only blood vessel formation but also reduction of fibrosis in FeCl₃ treated CLI mice and finally protected limb amputation.
Adipocytes
;
Amputation
;
Animals
;
Blood Vessels
;
Bone Marrow
;
Endothelial Cells
;
Extremities*
;
Femoral Artery
;
Fibrosis
;
Flow Cytometry
;
Humans
;
In Vitro Techniques
;
Ischemia*
;
Leg
;
Limb Salvage
;
Mesenchymal Stromal Cells
;
Mice
;
Mortality
;
Osteocytes
;
Peripheral Arterial Disease
;
Stem Cells
;
Thrombosis
6.A Case of Conjunctival Lithiasis with Clinical Manifestations of Superior Limbic Keratoconjunctivitis.
Bo Kwon SON ; Chan Min YANG ; Tae Gi KIM ; Kyung Hyun JIN
Journal of the Korean Ophthalmological Society 2016;57(6):983-987
PURPOSE: To report a case of conjunctival lithiasis with clinical manifestations of superior limbic keratoconjunctivitis. CASE SUMMARY: A 40-year-old male complained of pain, foreign body sensation and injection in the left eye lasting 1 month. The slit-lamp examination revealed injection of the superior bulbar conjunctiva, linear corneal band opacity, fine punctate staining and epithelial defect in the superior cornea area. After eversion of the left upper eyelid, there were many various-sized conjunctional concretions and inflammation in the superior tarsal conjunctiva. Therefore, we considered conjunctival lithiasis-induced clinical manifestations of superior limbic keratoconjunctivitis and then removed the conjunctival concretions using a 30-gauge needle. After the procedures, artificial tears, antibiotic eye drops, steroid eye drops and a therapeutic contact lens were applied. After 1 week, all symptoms and signs improved and there was no recurrence for 4 months. CONCLUSIONS: Mechanical stimulation by severe conjunctival lithiasis can induce clinical manifestations of superior limbic keratoconjunctivitis. Therefore, in patients with clinical manifestations of superior limbic keratoconjunctivitis, conjunctival lithiasis should be considered by observing the superior tarsal conjunctiva more closely.
Adult
;
Conjunctiva
;
Cornea
;
Eyelids
;
Foreign Bodies
;
Humans
;
Inflammation
;
Keratoconjunctivitis*
;
Lithiasis*
;
Lubricant Eye Drops
;
Male
;
Needles
;
Ophthalmic Solutions
;
Recurrence
;
Sensation
7.Erratum: A comparative study on dietary behavior, nutritional knowledge and life stress between Korean and Chinese female high school students.
Sohwan SON ; Yoona RO ; Hwajin HYUN ; Hongmie LEE ; Kyunghee SONG
Nutrition Research and Practice 2015;9(3):336-336
We would like to correct the paragraph on page 207.
8.A comparative study on dietary behavior, nutritional knowledge and life stress between Korean and Chinese female high school students.
Sohwan SON ; Yoona RO ; Hwajin HYUN ; Hongmie LEE ; Kyunghee SONG
Nutrition Research and Practice 2014;8(2):205-212
BACKGROUND/OBJECTIVES: Dietary behavior and life stress in adolescence is related to growth rate and learning ability. This study was conducted to identify the relations between dietary habits, dietary attitude nutritional knowledge and life stress among high school girls in Korea and China. SUBJECTS/METHODS: The subjects of this study were 221 high school girls in Korea and 227 high school girls in China. The questionnaire were about dietary habits, dietary attitude, nutritional knowledge and life stress. RESULTS: The dietary habits of chinese girls were healthier than those of Korean girls with a significant difference (P < .001). There was no significant difference in dietary attitude between Korean girls and Chinese girls. Korean girls had more nutritional knowledge than Chinese girls with a significant difference (P < .001). Korean girls did less physical exercise but spent more time watching TV and using PCs, compared to Chinese girls. Korean girls' degree of confidence in nutrition information that they had learned and their performance in their real lives were low. Also, they had a low level of awareness of the need for nutritional education. There was no significant difference in life stress between the two groups. Dietary habits had a significantly negative correlation with life stress in both Korean and Chinese girls (P < .01, P < .001). As for Chinese students, dietary attitude had a negative correlation with life stress with a significant difference (P < .05). As for Korean girls, nutritional knowledge had a negative correlation with life stress with a significant difference (P < .05), which means as life stress was less, dietary habits were better. CONCLUSIONS: This study shows that effective nutrition education programs should include components that encourage application of learned nutrition information to real life, increase physical exercise and reduce life stress.
Adolescent
;
Asian Continental Ancestry Group*
;
China
;
Education
;
Exercise
;
Female*
;
Food Habits
;
Humans
;
Korea
;
Learning
;
Surveys and Questionnaires
;
Stress, Psychological*
9.Activated microglial cells synthesize and secrete AGE-albumin.
Kyunghee BYUN ; Enkhjaigal BAYARSAIKHAN ; Daesik KIM ; Myeongjoo SON ; Junhee HONG ; Goo Bo JEONG ; Sun Ha PAEK ; Moo Ho WON ; Bonghee LEE
Anatomy & Cell Biology 2012;45(1):47-52
A holy grail of curing neurodegenerative diseases is to identify the main causes and mechanisms underlying neuronal death. Many studies have sought to identify these targets in a wide variety of ways, but a more important task is to identify critical molecular targets and their origins. Potential molecular targets include advanced glycation end products (AGEs) that can promote neuronal cell death, thereby contributing to neurodegenerative disorders such as Alzheimer disease or Parkinson disease. In this study, we showed that AGE-albumin (glycated albumin) is synthesized in microglial cells and secreted in the human brain. Our results provide new insight into which microglial cells can promote the receptor for AGE-mediated neuronal cell death, eventually leading to neurodegenerative diseases.
Alzheimer Disease
;
Brain
;
Cell Death
;
Glycosylation End Products, Advanced
;
Humans
;
Microglia
;
Neurodegenerative Diseases
;
Neurons
;
Parkinson Disease
10.Dietary Habits and Nutrition Knowledge of Children Using Community Food Service Centers according to Family Type.
Joo Hee LEE ; Eun Young SON ; Yeonsoo KIM ; Yunsook LIM
The Korean Journal of Nutrition 2011;44(3):255-263
The objective of this study was to assess dietary habits and nutrition knowledge of elementary school students who use community food-service centers according to family type. The subjects were comprised of 147 individuals in low-income households, aged from 7 to 12 years, and who consumed free meals at community welfare centers or at local children's centers in Seoul and Kyunggi-do, Korea. Dietary habits and dietary intake were obtained using 24-hr recall. Children in low-income single parent families skipped breakfast more frequently than children in low-income married parent families. No difference in nutrition intake or dietary habits was observed between children in low-income single parent families and children in low-income married parent families. More interest and financial support of the government are required to develop nutrition education and food assistance programs for children in low-income single parent families.
Aged
;
Breakfast
;
Child
;
Family Characteristics
;
Financial Support
;
Food Assistance
;
Food Habits
;
Food Services
;
Humans
;
Korea
;
Meals
;
Nutritional Status
;
Parents
;
Single-Parent Family

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