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Effect of Duck-meat Intake on Adult Disease Risk Factors in Adult Human Males
Sung Ho Kang,Oun Hyun Kim,Chang Jin Lee,Ho Sung Jung,Young Tae Lim,Hyuk Song,Si Heung Sung 한국축산식품학회 2010 한국축산식품학회지 Vol.30 No.6
This study was conducted to evaluate the effects of duck-meat consumption on adult disease risk factors, including body compositions, hematological variables, and serum metabolic and lipid profiles in adult human males. To obtain results, 20 adult males aged 20 to 25 were subjected to a diet of 600 g/day of duck-meat for 4 wk, after which body composition, hematological variables, and serum metabolic and lipid profiles were investigated to determine if there was a relationship between duck-meat consumption and adult disease risk factors. The results revealed that high amounts of duck-meat intake did not negatively alter body indices such as body weight, fat mass, body mass index (BMI), % body fat or waste-to-hip ratio (WHR). Furthermore, there were statistically insignificant changes in the number of blood cells, although this number did increase significantly following intake of duck-meat. Moreover, general decreases in serum metabolic parameters were observed, but none of these changes were significant with the exception of the concentration of blood urea nitrogen (BUN). The serum concentrations of LDL-cholesterol also showed a statistically significant decrease by 5.86%. Therefore, this study suggests that the ingestion of duck-meat not only significantly increased the RBC count but also decreased BUN and LDL-cholesterol concentrations in adult males.
Intra-operative Neurological Monitoring and Anesthesia
( Sang-ku Park ),( Sung-hyuk Lim ),( Chan-woo Park ),( Jin-woo Park ),( Dong-jun Kim ),( Ji-hyuk Kang ),( Hyo-geun Jee ),( Gi-bong Kim ) 대한임상검사과학회 2012 대한임상검사과학회지(KJCLS) Vol.44 No.4
The purpose of intra-operative neurological monitoring (INM) is to minimize surgically induced nerve damage, sensory nerves and motor neurons without affecting the operations to proceed during surgery such as evoked potentials (EP), electromyography (EMG), electroencephalography (EEG), transcranial doppler (TCD), etc. During the course of checking a patient’s condition, surveillance of ambulatory patients is a very different thing to check if the test is done under general anesthesia. INM can be possible or impossible depending on the type of drugs used and their concentrations because the monitoring is performed under anesthesia. Therefore, it is emphasized on the necessity of reviewing anesthesia which influences on INM.
DRG2 Deficient Mice Exhibit Impaired Motor Behaviors with Reduced Striatal Dopamine Release
Lim, Hye Ryeong,Vo, Mai-Tram,Kim, Dong Jun,Lee, Unn Hwa,Yoon, Jong Hyuk,Kim, Hyung-Jun,Kim, Jeongah,Kim, Sang Ryong,Lee, Jun Yeon,Yang, Chae Ha,Kim, Hee Young,Choi, June-Seek,Kim, Kijeong,Yang, Esther MDPI AG 2020 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES Vol.21 No.1
<P>Developmentally regulated GTP-binding protein 2 (DRG2) was first identified in the central nervous system of mice. However, the physiological function of DRG2 in the brain remains largely unknown. Here, we demonstrated that knocking out DRG2 impairs the function of dopamine neurons in mice. DRG2 was strongly expressed in the neurons of the dopaminergic system such as those in the striatum (Str), ventral tegmental area (VTA), and substantia nigra (SN), and on neuronal cell bodies in high-density regions such as the hippocampus (HIP), cerebellum, and cerebral cortex in the mouse brain. DRG2 knockout (KO) mice displayed defects in motor function in motor coordination and rotarod tests and increased anxiety. However, unexpectedly, DRG2 depletion did not affect the dopamine (DA) neuron population in the SN, Str, or VTA region or dopamine synthesis in the Str region. We further demonstrated that dopamine release was significantly diminished in the Str region of DRG2 KO mice and that treatment of DRG2 KO mice with l-3,4-dihydroxyphenylalanine (L-DOPA), a dopamine precursor, rescued the behavioral motor deficiency in DRG2 KO mice as observed with the rotarod test. This is the first report to identify DRG2 as a key regulator of dopamine release from dopamine neurons in the mouse brain.</P>
( Sang Lim Kim ),( Kyou Chae Lee ),( Jin Sub Lee ),( Yoon Hyuk Choi ),( Hyun Ho Son ),( Hong Dae Jung ),( Mi Yeung Sohn ),( Yong Hyun Jang ),( Seok Jong Lee ),( Do Won Kim ),( Weon Ju Lee ) 대한피부과학회 2013 대한피부과학회 학술발표대회집 Vol.65 No.2
Background: Acne is a inflammatory skin disorders caused by inflammatory biomarkers. Magnesium ascorbyl phosphate (MAP) is a stable precursor of vitamin C. It achieves a constant delivery of vitamin C into the skin and has antioxidative effects. Objectives: To evaluate changes in the expression of inflammatory biomarkers after treatment of cultured sebocytes with MAP Methods: RT-PCR, ELISA and western blotting were performed for inflammatory cytokines, matrix metalloproteinases (MMPs), antimicrobial peptides (AMPs) and keratinocyte differentiation markers before and after treatment of cultured sebocytes with MAP (10-2 mol), lipopolysaccharide (LPS) and a combination of MAP and LPS. RT-PCR and western blotting were also done for Toll-like receptor-4 (TLR-4) and NF-ĸB before and after treatment of cultured sebocytes with MAP, LPS and a combination of MAP and LPS. Results: The expressions of inflammatory cytokines (e.g., IL-1 β and IL-8) and MMPs (e.g., MMP-9) were decreased after treatment with MAP and a combination of MAP and LPS, and increased after treatment with LPS. AMPs (e.g., LL-37) were decreased after treatment with MAP and a combination of MAP and LPS, and increased after treatment with LPS. The expression of TLR-4 and NF-ĸB was decreased after treatment with MAP and a combination of MAP and LPS, and increased after treatment with LPS. Conclusion: MAP, which is a stable precursor of vitamin C, may be a good effective and alternative agent to improve inflammatory reaction in acne.
LIM, Chang-Shin,KIM, Eun-Young,LEE, Hyun-Sam,SOH, Yunjo,SOHN, Youngjoo,KIM, Sun Yeou,SOHN, Nak-Won,JUNG, Hyuk-Sang,KIM, Yoon-Bum Japan Society for Bioscience, Biotechnology, and A 2010 Bioscience, Biotechnology, and Biochemistry Vol.74 No.3
<P><I>Cinnamomum cassia</I> Blume (CC) is one of the world’s oldest natural spices, and is commonly used in traditional oriental medicine. We investigated the protective effect of ethanol extract from <I>Cinnamomum cassia</I> Blume (CCE) on the activation of hepatic stellate cells (HSCs). In addition, we examined the effects of CC powder in Sprague-Dawley rats with acute liver injury induced by dimethylnitrosamine (DMN). <I>In vitro</I>, HSC-T6 cells exhibit an activated phenotype, as reflected in their fibroblast-like morphology. CCE significantly reduced the expression of alpha-smooth muscle actin (α-SMA), connective tissue growth factor (CTGF), transforming growth factor beta (TGF-β1), and tissue inhibitor of metalloproteinase-1 (TIMP-1). <I>In vivo</I>, the results were significantly protected by CC powder in the serum total protein, albumin, total-bilirubin, direct-bilirubin, glutamic oxaloacetic transaminase (GOT), glutamic pyruvic transaminase (GPT), and alkaline phosphatase (ALP). We suggest that CC inhibits fibrogenesis, followed by HSC-T6 cell activation and increased restoration of liver function, ultimately resulting in acute liver injury.</P>
Sang-a Park,Gihwan Byeon,Jin Hyeong Jhoo,Hyung-Chun Kim,Myoung-Nam Lim,Jae-Won Jang,Jong Bin Bae,Ji Won Han,Tae Hui Kim,Kyung Phil Kwak,Bong Jo Kim,Shin Gyeom Kim,Jeong Lan Kim,Seok Woo Moon,Joon Hyuk 대한정신약물학회 2023 CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE Vol.21 No.4
Objective: To investigate the relationship between reduced glutathione (GSH), a key molecule of the antioxidant defense system in the blood, and glutathione reductase (GR), which reduces oxidized glutathione (glutathione disulfide [GSSG]) to GSH and maintains the redox balance, with the prevalence of Alzheimer’s dementia and cognitive decline. Methods: In all, 20 participants with Alzheimer’s dementia who completed the third follow-up clinical evaluation over 6 years were selected, and 20 participants with normal cognition were selected after age and sex matching. The GSH and GR concentrations were the independent variables. Clinical diagnosis and neurocognitive test scores were the dependent variables indicating cognitive status. Results: The higher the level of GR, the greater the possibility of having normal cognition than of developing Alzheimer’s dementia. Additionally, the higher the level of GR, the higher the neurocognitive test scores. However, this association was not significant for GSH. After 6 years, the conversion rate from normal cognition to cognitive impairment was significantly higher in the lower 50th percentile of the GR group than in the upper 50th percentile. Conclusion: The higher the GR, the lower the prevalence of Alzheimer’s dementia and incidence of cognitive impairment and the higher the cognitive test scores. Therefore, GR is a potential protective biomarker against Alzheimer’s dementia and cognitive decline.
A Digital Readout IC with Digital Offset Canceller for Capacitive Sensors
Lim, Dong-Hyuk,Lee, Sang-Yoon,Choi, Woo-Seok,Park, Jun-Eun,Jeong, Deog-Kyoon The Institute of Electronics and Information Engin 2012 Journal of semiconductor technology and science Vol.12 No.3
A digital readout IC for capacitive sensors is presented. Digital capacitance readout circuits suffer from static capacitance of sensors, especially single-ended sensors, and require large passive elements to cancel such DC offset signal. For this reason, to maximize a dynamic range with a small die area, the proposed circuit features digital filters having a coarse and fine compensation steps. Moreover, by employing switched-capacitor circuit for the front-end, correlated double sampling (CDS) technique can be adopted to minimize low-frequency device noise. The proposed circuit targeted 8-kHz signal bandwidth and oversampling ratio (OSR) of 64, thus a $3^{rd}$-order ${\Delta}{\Sigma}$ modulator operating at 1 MH was used for pulse-density-modulated (PDM) output. The proposed IC was designed in a 0.18-${\mu}m$ CMOS mixed-mode process, and occupied $0.86{\times}1.33mm^2$. The measurement results shows suppressed DC power under about -30 dBFS with minimized device flicker noise.