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Primary B-cell lymphoma of submandibular lymph node in a water deer (Hydropotes inermis)
Park, Surim,Roh, Yoon Seok,Kim, Eun Ju,Lee, Hae Beom,Choi, Ul Soo,Kang, Seog Jin,Lim, Chae Woong,Kim, Bumseok WILDLIFE DISEASE ASSOCIATION 2016 JOURNAL OF WILDLIFE DISEASES Vol.52 No.2
<P>We describe a B-cell lymphoma of a submandibular lymph node with metastasis to the lung and facial subcutaneous tissues in a water deer (Hydropotes inermis). Neoplastic cells contained pleomorphic lymphocytes that were positive for CD79a, consistent with B-cell lymphoma. PCR for bovine leukemia virus was negative.</P>
Park, Surim,Kim, Jong Won,Kim, Jong Hoon,Lim, Chae Woong,Kim, Bumseok Pharmaceutical Society of Japan 2015 Biological & pharmaceutical bulletin Vol.38 No.7
<P>Liver fibrosis is a wound healing process that includes inflammation, deposition of extracellular matrix molecules, and pathological neovascularization. Angiogenesis, which is defined by the formation of new blood vessels from pre-existing vessels, is a complex and dynamic process under both physiological and pathological conditions. Although whether angiogenesis can induce or occur in parallel with the progression of hepatic fibrosis has not yet been determined, intrahepatic sinusoidal formation and remodeling are key features of liver fibrosis. Some recent evidence has suggested that experimental inhibition of angiogenesis ameliorates the development of liver fibrosis, while other recent studies indicate that neutralization or genetic ablation of vascular endothelial growth factor (VEGF) in myeloid cells can delay tissue repair and fibrosis resolution in damaged liver. In this review, we briefly summarize the current knowledge about the differential roles of angiogenesis in the induction of fibrogenesis and the resolution of fibrosis in damaged livers. Possible strategies for the prevention and treatment of liver fibrosis are also discussed.</P>
Park, Surim,Choi, Ul Soo,Kim, Eun Ju,Lee, Jong Hyun,Lee, Hae Beom,Cho, Ho Seong,Kim, Wonil,Lim, Chae Woong,Kim, Bumseok WILDLIFE DISEASE ASSOCIATION 2016 Journal of wildlife diseases Vol.52 No.2
<P>We describe coinfection with Hepatozoon sp. and canine distemper virus (CDV) in a yellow-throated marten (Martes flavigula koreana). We found Hepatozoon cysts in muscular tissue and viral inclusion bodies in the brain. Hepatozoon sp., and CDV was confirmed in blood and brain, respectively, by PCR.</P>
Park, Jong Yung,Chae, Suji,Kim, Chang Seop,Kim, Yoon Jae,Yi, Hyun Joo,Han, Eunjoo,Joo, Youngshin,Hong, Surim,Yun, Jae Won,Kim, Hyojung,Shin, Kyung Ho The Korean Society of Pharmacology 2019 The Korean Journal of Physiology & Pharmacology Vol.23 No.6
Nociceptin/orphanin FQ (N/OFQ) and its receptor, nociceptin opioid peptide (NOP) receptor, are localized in brain areas implicated in depression including the amygdala, bed nucleus of the stria terminalis, habenula, and monoaminergic nuclei in the brain stem. N/OFQ inhibits neuronal excitability of monoaminergic neurons and monoamine release from their terminals by activation of G protein-coupled inwardly rectifying $K^+$ channels and inhibition of voltage sensitive calcium channels, respectively. Therefore, NOP receptor antagonists have been proposed as a potential antidepressant. Indeed, mounting evidence shows that NOP receptor antagonists have antidepressant-like effects in various preclinical animal models of depression, and recent clinical studies again confirmed the idea that blockade of NOP receptor signaling could provide a novel strategy for the treatment of depression. In this review, we describe the pharmacological effects of N/OFQ in relation to depression and explore the possible mechanism of NOP receptor antagonists as potential antidepressants.
Jong Yung Park,Suji Chae,Chang Seop Kim,Yoon Jae Kim,Hyun Joo Yi,Eunjoo Han,Youngshin Joo,Surim Hong,Jae Won Yun,Hyojung Kim,Kyung Ho Shin 대한약리학회 2019 The Korean Journal of Physiology & Pharmacology Vol.23 No.6
Nociceptin/orphanin FQ (N/OFQ) and its receptor, nociceptin opioid peptide (NOP) receptor, are localized in brain areas implicated in depression including the amygdala, bed nucleus of the stria terminalis, habenula, and monoaminergic nuclei in the brain stem. N/OFQ inhibits neuronal excitability of monoaminergic neurons and monoamine release from their terminals by activation of G protein-coupled inwardly rectifying K+ channels and inhibition of voltage sensitive calcium channels, respectively. Therefore, NOP receptor antagonists have been proposed as a potential antidepressant. Indeed, mounting evidence shows that NOP receptor antagonists have antidepressant-like effects in various preclinical animal models of depression, and recent clinical studies again confirmed the idea that blockade of NOP receptor signaling could provide a novel strategy for the treatment of depression. In this review, we describe the pharmacological effects of N/OFQ in relation to depression and explore the possible mechanism of NOP receptor antagonists as potential antidepressants.
Blocking layer 적용을 통한 HgI₂ 방사선 변환센서의 신호대 잡음비 향상에 관한 연구
박지군(Jikoon Park),윤인찬(Inchan Yoon),최수림(Surim Choi),윤주선(Jusun Yoon),이영규(Youngkyu Lee),강상식(Sangsik Kang) 한국방사선학회 2011 한국방사선학회 논문지 Vol.5 No.2
본 연구에서는 적층 구조를 이용하여 누설전류를 저감 시키는 기술을 적용하여 입자침전법을 이용한 방사선 영상 센서의 변환 물질을 개발하였다. 이는 디지털 방사선 영상 검출기의 두 가지 방식 중 하나인 직접방식에 사용되는 핵심 소자로 기존의 비정질셀레늄(a-Se)을 대체하여 더욱 효율이 높은 후보 물질들이 연구되어지는 가운데 태양전지와 반도체 분야에서 이미 많이 사용되어온 이종접합을 이용해 누설 전류를 저감 시키는데 그 목적이 있다. 본 연구에서 사용되는 입자 침전법 제조방법은 검출 물질 제작이 용이하고 높은 수율과 대면적의 검출기 제작에 적합하나 높은 누설 전류가 의료 영상에 있어서 문제가 되어 오고 있다. 이러한 단점을 보완하기 위해 적층 구조를 이용하여 누설 전류를 저감시킨다면 PIB법을 이용하여 간편하게 향상된 효율의 디지털 방사선 검출기를 제작 할 수 있다고 사료 되어 진다. 본 연구에서는 누설 전류와 민감도에 대한 전기적 신호를 측정하여 제작된 적층 구조의 방사선 검출 물질의 특성평가가 이루어 졌다. In this study, the basic research verifying possibility of applications as radiology image sensor in Digital Radiography was performed, the radiology image sensor was fabricated using double layer technique tio decrease dark current. High efficiency material in substitution for a-Se have been studied as a direct method of imaging detector in Digital Radiography to decrease dark current by using Hetero junction already used as solar cell, semiconductor. Particle-In-Binder method is used to fabricate radiology image sensor because it has a lot of advantages such as fabrication convenient, high yield, suitability for large area sensor. But high leakage current is one of main problem in PIB method. To make up for the weak points, double layer technique is used, and it is considered that high efficient digital radiation sensor can be fabricated with easy and convenient process. In this study, electrical properties such as leakage current, sensitivity is measured to evaluate double layer radiation sensor material.
Lee, Hyeyeoun,Jeong, Hansol,Park, Surim,Yang, Myeon-Sik,Kim, Jongwon,Bae, Jaehyun,Kwon, Yonghwan,Kim, Min-Su,Oem, Jae-Ku,Lee, Myoung-Heon,Lim, Chae-Woong,Kim, Bumseok BioMed Central 2016 VETERINARY RESEARCH Vol.47 No.-
<P>Akabane virus (AKAV), an arthropod-transmitted bunyavirus, is a major cause of congenital abnormalities and encephalomyelitis in ruminants. In 2010, there was a major outbreak of encephalomyelitis in Korea and fifteen AKAV strains, including AKAV-7, were isolated from cows. To identify the neuropathogenicity of AKAV-7, we performed experimental infection of cows. Six-month-old female Korean Holstein dairy cattle were inoculated with AKAV-7 by various routes, including intracerebral (IC), intrasubarachnoid space (IS), subcutaneous (SC) and intravenous (IV); a separate group was vaccinated before intravenous infection. Five of the six cows in the IC group and two of the six cows in the IS group showed clinical signs such as locomotor ataxia and paralysis of the hind limbs. Three of six cows died after IC infection 9–12 days post infection (dpi). Histopathologic changes such as nonsuppurative encephalomyelitis were confirmed in various parts of the central nervous system in the IC, IS and SC groups. Early onset of neutralizing antibodies in the serum and lower viral mRNA levels in the peripheral blood mononuclear cells (PBMCs) and various tissues in the vaccinated group was noticeable compared to the unvaccinated group (IV group). We suggest that the AKAV vaccine currently used in Korea may be partially effective for protection against AKAV-7 in cows.</P>
The Role of Air Pollutants in Initiating Liver Disease
Kim, Jong Won,Park, Surim,Lim, Chae Woong,Lee, Kyuhong,Kim, Bumseok Korean Society of ToxicologyKorea Environmental Mu 2014 Toxicological Research Vol.30 No.2
Recent episodes of severe air pollution in eastern Asia have been reported in the scientific literature and news media. Therefore, there is growing concern about the systemic effects of air pollution on human health. Along with the other well-known harmful effects of air pollution, recently, several animal models have provided strong evidence that air pollutants can induce liver toxicity and act to accelerate liver inflammation and steatosis. This review briefly describes examples where exposure to air pollutants was involved in liver toxicity, focusing on how particulate matter (PM) or carbon black (CB) may be translocated from lung to liver and what liver diseases are closely associated with these air pollutants.
The Role of Air Pollutants in Initiating Liver Disease
Jong Won Kim,Surim Park,Chae Woong Lim,Kyuhong Lee,Bumseok Kim 한국독성학회 2014 Toxicological Research Vol.30 No.2
Recent episodes of severe air pollution in eastern Asia have been reported in the scientific literature and news media. Therefore, there is growing concern about the systemic effects of air pollution on human health. Along with the other well-known harmful effects of air pollution, recently, several animal models have provided strong evidence that air pollutants can induce liver toxicity and act to accelerate liver inflammation and steatosis. This review briefly describes examples where exposure to air pollutants was involved in liver toxicity, focusing on how particulate matter (PM) or carbon black (CB) may be translocated from lung to liver and what liver diseases are closely associated with these air pollutants.