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Effect of Decreased Locomotor Activity on Hindlimb Muscles in a Rat Model of Parkinson's Disease (파킨슨병 모델 쥐에서 보행활동저하가 뒷다리근에 미치는 영향)

  • Kim, Yong-Bum;Choe, Myoung-Ae
    • Journal of Korean Academy of Nursing
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    • v.40 no.4
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    • pp.580-588
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    • 2010
  • Purpose: The purpose of this study was to examine effects of decreased locomotor activity on mass, Type I and II fiber cross-sectional areas of ipsilateral and contralateral hindlimb muscles 21 days after establishing the Parkinson's disease rat model. Methods: The rat model was established by direct injection of 6-hydroxydopamine (6-OHDA, 50 ${mu}g$) into the left substantia nigra after stereotaxic surgery. Adult male Sprague-Dawley rats were assigned to one of two groups; the Parkinson's disease group (PD; n=17) and a sham group (S; n=8). Locomotor activity was assessed before and 21 days after the experiment. At 22 days after establishing the rat model, all rats were anesthetized and soleus and plantaris muscles were dissected from both ipsilateral and contralateral sides. The brain was dissected to identify dopaminergic neuronal death of substantia nigra in the PD group. Results: The PD group at 21 days after establishing the Parkinson's disease rat model showed significant decrease in locomotor activity compared with the S group. Weights and Type I and II fiber cross-sectional areas of the contralateral soleus muscle of the PD group were significantly lower than those of the S group. Conclusion: Contralateral soleus muscle atrophy occurs 21 days after establishing the Parkinson's disease rat model.

A Case of Lung Cancer associated with von Recklinghausen's Disease (Von Recklinghausen 병에 동반된 폐암 1예)

  • Han, Yo-Seb;Kang, Hong-Mo;Han, Min-Soo;Yoo, Jee-Hong
    • Tuberculosis and Respiratory Diseases
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    • v.45 no.3
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    • pp.604-608
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    • 1998
  • Von Recklinghausen's disease is an autosomal dominant hereditary disease associated with characteristic cafe-au-lait spots of skin and multiple neurofibromatosis. It is complicated by malignancies, which in most cases is neurofibrosarcoma. The development of lung cancer in von Recklinghausen's disease is rare. A 61-year-old male was admitted for cough and sputum for 20 days. He had multiple cafe-au-lait spots and subcutaneous neurofibromas in whole body area and Lisch nodules in both iris and he had been diagnosed von Recklinghausen's disease 35 years ago. Chest radiography showed emphysematous bullae in both upper lung field and mass in right upper lung field. Chest CT scan revealed subcarinal lymph node enlargement. Bronchoscopic biopsy was done in mass in superior segment of right lower lobe and the results showed squamous cell carcinoma. The presence of von Recklinghausen's disease and lung cancer are noteworthy.

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A study on the notion of Shanghanlun Greater yang disease from Ke-qin's Taiyangbingjie (가금(柯琴)의 "태양병해(太陽病解)"를 통한 "상한론(傷寒論)" 태양병(太陽病)의 개념에 대한 연구(硏究))

  • Lee, Sang-Hyup
    • Journal of Korean Medical classics
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    • v.25 no.2
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    • pp.1-13
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    • 2012
  • Objective : Zhang, Zhongjing(張仲景)'s Sanghanlun(傷寒論) is based on Six-channels system(六經) to classified a disease. But the notion of Six-channels system seems to be a very various angles. For example, Meridian and collateral theory(經絡說), Viscera and Bowels theory(臟腑說), Grade theory(段階說), Surface theory(地面說), Symptoms theory(症候群說), Six-disease theory(六病說), Eight principle pattern theory(八綱說) and all the rest of it. Above all things Meridian and collateral theory was very frequently quoted to explain the Six-channels system(六經). But it's true notion is not restrict to a meridian vessel(經脈). Method : I will try to describe the Sanghanlun's Greater yang disease(太陽病) through the Ke-qin(柯琴)'s Taiyangbingjie(太陽病解), and I would like to point out that the existing perception that Greater yang(太陽) is connected with Bladder meridian(足太陽膀胱經) is wrong. Result : Ke-qin's Taiyangbingjie explained the greater yang disease was connected with Heart(yang within yang), which was located in the top half and the outer layer of the body. In addition to the presence of the diaphragm or lungs are involved with. Conclusion : Practical meaning of greater yang disease is not connect with Bladder meridian, but it is related to the Heart and Lung for maintain the Nutrient and defense circulation (營衛循環).

Transcranial magnetic stimulation parameters as neurophysiological biomarkers in Alzheimer's disease

  • Lee, Juyoun;Lee, Ae Young
    • Annals of Clinical Neurophysiology
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    • v.23 no.1
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    • pp.7-16
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    • 2021
  • Transcranial magnetic stimulation (TMS) is a safe and noninvasive tool for investigating the cortical excitability of the human brain and the neurophysiological functions of GABAergic, glutamatergic, and cholinergic neural circuits. Neurophysiological biomarkers based on TMS parameters can provide information on the pathophysiology of dementia, and be used to diagnose Alzheimer's disease and differentiate different types of dementia. This review introduces the basic principles of TMS, TMS devices and stimulating paradigms, several neurophysiological measurements, and the clinical implications of TMS for Alzheimer's disease.

Susceptibility to Calonectria ilicicola in Soybean Grown in Greenhouse and Field

  • Kim, K. D.;Russin, J. S.;Snow, J. P.
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.43 no.4
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    • pp.239-244
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    • 1998
  • Susceptibility of soybean cultivars to Calonectria illicicola was evaluated in a greenhouse by inoculating seedlings with mycelium in agar discs placed on the stems at the soil line. A range of responses was detected among cultivars following inoculation with a virulent isolate of C.ilicicola. Rankings of cultivars between greenhouse tests 1 and 2 were similar for disease severity and areas under the disease progress curves (AUDPC). In addition, rankings of cultivars for Final disease severity were highly correlated with AUDPC in test 1 ($r_s$ =0.88, t =5.48, p<0.001), test 2 ($r_s$ =0.99, t =22.10, p<0.001), and when tests were combined ($r_s$=0.89, t=5.82, p<0. 001). Final disease severity and AUDPC consistently identified Asgrow 7986, Braxton, Cajun, and Forrest as soybean cultivars least susceptible to red crown rot. In 1993 and 1994 field tests, a range in disease susceptibility was observed for tested cultivars but none was completely resistant. Soybean cultivars Braxton, Cajun, and Forrest, which were least susceptible to red crown rot in greenhouse tests, also ranked among cultivars with the lowest disease incidence and AUDPC in field tests. Comparisons .between rankings of the eight cultivars common to greenhouse and field tests showed a correlation between final disease severity from combined greenhouse tests and both final disease incidence ($r_s$=0.63, t =1.99, p<0.1) and AUDPC ($r_s$=0.60, t =1.82, p < 0.2) from the combined field tests. However, AUDPC from greenhouse tests did not correlate with either final disease incidence or AUDPC from field tests. The green-house screening method provided consistent results between greenhouse and field tests and successfully identified the least susceptible cultivars Braxton, Cajun, and Forrest.

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Prognostic Factors in Stage IIB Non-Small Cell Lung Cancer according to the 8th Edition of TNM Staging System

  • Shin, Jin Won;Cho, Deog Gon;Choi, Si Young;Park, Jae Kil;Lee, Kyo Young;Moon, Youngkyu
    • Journal of Chest Surgery
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    • v.52 no.3
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    • pp.131-140
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    • 2019
  • Background: The purposes of this study were to evaluate the appropriateness of the stage migration of stage IIA non-small cell lung cancer (NSCLC) in the seventh edition of the tumor, node, and metastasis classification for lung cancer to stage IIB lung cancer in the eighth edition, and to identify prognostic factors in patients with eighth-edition stage IIB disease. Methods: Patients with eighth-edition stage IIB disease were subclassified into those with seventh-edition stage IIA disease and those with seventh-edition stage IIB disease, and their recurrence-free survival and disease-specific survival rates were compared. Risk factors for recurrence after curative resection were identified in all included patients. Results: Of 122 patients with eighth-edition stage IIB NSCLC, 101 (82.8%) had seventh-edition stage IIA disease and 21 (17.2%) had seventh-edition stage IIB disease. Nonsignificant differences were observed in the 5-year recurrence-free survival rate and the 5-year disease-specific survival rate between the patients with seventh-edition stage IIA disease and those with seventh-edition stage IIB disease. Visceral pleural invasion was a significant risk factor for recurrence in patients with eighth-edition stage IIB NSCLC. Conclusion: The stage migration from seventh-edition stage IIA NSCLC to eighth-edition stage IIB NSCLC was appropriate in terms of oncological outcomes. Visceral pleural invasion was the only prognostic factor in patients with eighth-edition stage IIB NSCLC.

Imaging Techniques and Differential Diagnosis for Inflammatory Bowel Disease (염증성 장질환의 영상기법 및 감별진단)

  • Kyoung Doo Song
    • Journal of the Korean Society of Radiology
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    • v.84 no.3
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    • pp.536-549
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    • 2023
  • The two main types of inflammatory bowel disease (IBD) are Crohn's disease and ulcerative colitis. Currently, when IBD is suspected, CT enterography is widely used as an initial imaging test because it can evaluate both the bowel wall and the outside of the bowel, helping to differentiate IBD from other diseases. When IBD is suspected, it is necessary to distinguish between Crohn's disease and ulcerative colitis. In most cases this is not difficult; however, in some cases, it is difficult and such cases are called IBD-unclassified. CT findings are often non-specific for ulcerative colitis, making it difficult to differentiate it from other diseases using imaging alone. In contrast, characteristic CT findings for Crohn's disease are often helpful in diagnosis, although diseases, such as tuberculous enteritis can mimic Crohn's disease. Recently, mutations in the gene encoding a prostaglandin transporter called SLCO2A1 have been discovered as the cause of the disease in some patients with multiple ulcers and strictures, similar to Crohn's disease. Therefore, genetic testing is being used to make a differential diagnosis.

TAE-YANG person's Hae-Yeok disease Investigation (태양인(太陽人) 해역병 고찰(考察))

  • Im, Gyu-Seong
    • Journal of Sasang Constitutional Medicine
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    • v.8 no.2
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    • pp.203-208
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    • 1996
  • Lee-Jae ma referred Hae-Yeok disease as a TAE-YANG person's peculiar disease in Dnoguisusaebowon. I looked around referred portion of Hae-Yeok disease in Internal Classic and the annotation of that part. As a result, newly emphasized stat of Hae-Yeok disease-that is "weak but not weak, strong but not strong" "the upper part of body is healthy, but the lower part is hae-yeok"-is not existed in Internal Classic itself. A person regarded as TAE-YANG person with Hae-Yeok disease is changed for the better by taking Ogapijangcheoktang. And as mentioned in Donguisusaebowon, rage, sorrow cause to appear and grow worse this dease.

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