• Title/Summary/Keyword: alzheimer

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A Parallel Deep Convolutional Neural Network for Alzheimer's disease classification on PET/CT brain images

  • Baydargil, Husnu Baris;Park, Jangsik;Kang, Do-Young;Kang, Hyun;Cho, Kook
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.14 no.9
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    • pp.3583-3597
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    • 2020
  • In this paper, a parallel deep learning model using a convolutional neural network and a dilated convolutional neural network is proposed to classify Alzheimer's disease with high accuracy in PET/CT images. The developed model consists of two pipelines, a conventional CNN pipeline, and a dilated convolution pipeline. An input image is sent through both pipelines, and at the end of both pipelines, extracted features are concatenated and used for classifying Alzheimer's disease. Complimentary abilities of both networks provide better overall accuracy than single conventional CNNs in the dataset. Moreover, instead of performing binary classification, the proposed model performs three-class classification being Alzheimer's disease, mild cognitive impairment, and normal control. Using the data received from Dong-a University, the model performs classification detecting Alzheimer's disease with an accuracy of up to 95.51%.

Effects of Jujadokseo-hwan on Mice with Alzheimer's Disease Induced by $Amyloid-{\beta}$ (주자독서환(朱子讀書丸)의 아밀로이드베타로 유발된 생쥐 알츠하이머모델에 대한 효과)

  • Leem, Kang-Hyun;Ko, Heung;Kyung, Hyuk-Su
    • The Journal of Internal Korean Medicine
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    • v.27 no.1
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    • pp.253-264
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    • 2006
  • Object: This research investigated effects of Jujadokseo-hwan on mice with Alzheimer's Disease induced by $amyloid-{\beta}$. According to Dongyibogam, Jujadokseo-hwan can cure amnesia. Amyloid-B is believed to induce oxidative stress and inflammation in the brain, postulated to play important roles in the pathogenesis of Alzheimer's disease. In this way $Amyloid-{\beta}$ induces Alzheimer's Disease. Methods : In order to make an efficient prescription and cope with dementia, learning and memory functions of mice were tested on passive avoidance test and V-maze task. $NF-{\kappa}B$ were measured from protein derived from the brain. RT-PCR was done for !gene analysis. Primers were protein kinase Band $NGF-{\alpha}$. Results : 1. Jujadokseo-hwan was effective for memory capacity on passive avoidance test. but noneffective for spatial memory capacity and locomotor activity on Y -maze task. 2. The measurement of $NF-{\kappa}B$ showed upward tendancies and the result of RT-PCR showed up-regulation when given Jujadokseo-hwan by mouth. Conclusion: Results suggest that Jujadokseo-hwan is effective on mice with Alzheimer's Disease induced by $amyloid-{\beta}$.

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Cognitive improvement by ginseng in Alzheimer's disease

  • Lee, Soon-Tae;Chu, Kon;Kim, Jeong-Min;Park, Hyun-Jeong;Kim, Man-Ho
    • Journal of Ginseng Research
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    • v.31 no.1
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    • pp.51-53
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    • 2007
  • Ginseng shows protective and trophic effects in neurodegenerative diseases in experimental models, and showed cognitive improvement in normal population. To investigate the efficacy of ginseng in patients with Alzheimer's disease, patients, who met NINDS-ADRDA criteria for AD were studied Subjects were randomly assigned to ginseng group and control group, and ginseng group was treated with Korean white ginseng powder (4.5 g/day) for 12 weeks. Efficacy variables included changes in mini-mental status exam (MMSE) and cognitive subscales of Alzheimer's disease assessment scale (ADAS-cog) at 4 weeks and 12 weeks. Baseline MMSE and ADAS scores showed no difference between the two groups. Results showed that ginseng improved ADAS-cog compared to the control group at 12 weeks (p<0.05). MMSE was also increased by ginseng treatment compared to the control at 12 weeks (p<0.01). This study suggests the symptomatic efficacy of ginseng in patients with Alzheimer's disease.

Development and Evaluation of Health Literacy Instrument for Alzheimer's Disease: Case of Older Adults in Rural Areas (알츠하이머병에 관한 건강정보 이해력 측정도구 개발 및 평가: 농촌 노인을 대상으로)

  • Jeong, So Hyung
    • Journal of Korean Academy of Rural Health Nursing
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    • v.19 no.1
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    • pp.1-11
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    • 2024
  • Purpose: This study develops a health literacy instrument for Alzheimer's disease. Methods: Items were drawn from The Korean version of the Alzheimer's Disease Knowledge Scale (ADKS) and the Korean version of European Health Literacy Survey Questionnaire (HLS-EU-Q47 & HLS-EU-Q16). Content validity was tested by experts. To further refine the questionnaires and test their reliability and validity, data were collected from 324 older adults in the community. Results: Five significant items in the two subscales were derived from the factor analysis. The subscales were named access and understanding. Reliability was good at Cronbach's ⍺ .79, and validity through exploratory factor analysis was KMO .897, p<.001, which was found to be high and significant. Conclusion: The instrument demonstrated high reliability and validity. Therefore, this instrument can contribute to the evaluation of health literacy for Alzheimer's Disease in older adults and to any subsequent intervention, as well as to develop a theory for health literacy for Alzheimer's Disease.

The Effects of Jangwon-Dan,(JWD) on the Alzheimer's Disease Model Induced by CT-105 and ${\beta}A$ (장원단이 CT105와 ${\beta}A$로 유도(誘導)된 Alzheimer's Disease 병태(病態) 모델에 미치는 영향(影響))

  • Kim, Geon-Jin;Chung, Dae-Kyoo
    • Journal of Oriental Neuropsychiatry
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    • v.17 no.2
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    • pp.91-122
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    • 2006
  • Objective : This research investigates the effect of the Jangwon-Dan,(JWD) on Alzheimer's disease. Method : The effects of the JWN extract on (1) $IL-1{\beta}$, IL-6, and $TNF-{\alpha}$ mRNA of PC-12 cells treated with LPS; (2) amyloid precursor proteins(APP), acetylcholinesterase(AChE), and glial fibrillary acidic protein(GFAP) mRNA, the AChE activity and the APP production of PC-12 cell treated with CT-105; (3) the behavior; (4) expression of $IL-1{\beta}$, $TNF-{\alpha}$, MDA, $IL-1{\beta}$ mRNA, and $TNF-{\alpha}$ mRNA, (5) the infarction area of the hippocampus, and brain tissue injury in Alzheimer's diseased mice induced with ${\beta}A$ were investigated. Result : 1. The JWN extract suppressed the expression of $IL-1{\beta}$, IL-6 and $TNF-{\alpha}$ mRNA in THP-1 cells treated with LPS. 2. The JWN extract suppressed the expression of APP, AChE, and GFAP mRNA in PC-12 cells treated with CT-105. 3. The JWN extract suppressed the AChE activity, and the production of APP significantly in PC-12 cells treated with CT-105. 4. For the JWN extract group a significant inhibitory effect on the memory deficit was shown for the mice with Alzheimer's disease induced by ${\beta}A$ in the Morris water maze experiment, which measured stop-through latency, and distance movement-through latency. 5. The JWN extract suppressed the over-expression of $IL-1{\beta}$ protein, $TNF-{\alpha}$ protein, MDA, $IL-1{\beta}$ mRNA, $TNF-{\alpha}$ mRNA, and CD68/GFAP, in the mice with Alzheimer's disease induced by ${\beta}A$. 6. The JWN extract reduced the infarction area of hippocampus, and controlled the injury of brain tissue in the mice with Alzheimer's disease induced by ${\beta}A$. Conclusion : These results suggest that the JWN extract may be effective for the prevention and treatment of Alzheimer's disease. Investigation into the clinical use of the JWN extract for Alzheimer's disease is suggested for future research.

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The Effects of ChongMyungTang(CMT) and ChongMyungTang added Hibiscus syriacus(MCMT) Extract on the Alzheimer's Disease Model Induced by CT-105 and ${\beta}A$ (총명탕(聰明湯)과 목근피총명탕(木槿皮聰明湯)이 CT105와 ${\beta}A$로 유도된 Alzheimer's Disease 병태(病態) 모델에 미치는 영향)

  • Park, Ji-Un;Jung, In-Chul;Lee, Sang-Ryong
    • Journal of Oriental Neuropsychiatry
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    • v.17 no.1
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    • pp.37-57
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    • 2006
  • Objective : This research investigates the effect of the CMT and MCMT on Alzheimer‘s disease. Methods : The effects of the CMT and MCMT extract on (1) amyloid precursor proteins(APP), acetylcholinesterase(AChE) mRNA of PC-12 cells treated with CT-105; (2) the AChE activity and the APP production of PC-12 cell treated with CT-105; (3) the behavior; (4) expression of $IL-1{\beta}$, $TNF-{\alpha}$, MDA, GFAP, CD68 abd CD11b; (5) the infarction area of the hippocampus in Alzheimer's diseased mice induced with ${\beta}A$ were investigated. Results : 1. The CMT and MCMT extract suppressed the expression of APP, AChE, and mRNA in PC-12 cells treated with CT-105. 2. The CMT and MCMT extract suppressed the AChE activity, and the production of APP significantly in PC-12 cells treated with CT-105. 3. For the CMT and MCMT extract group a significant inhibitory effect on the memory deficit was shown for the mice with Alzheimer's disease induced by ${\beta}A$ in the Morris water maze experiment, which measured stop-through latency, and distance movement-through latency. 4. The CMT and MCMT extract suppressed the over-expression of $IL-1{\beta}$, $TNF-{\alpha}$, MDA, GFAP, CD68 abd CD11bCD68/GFAP, in the mice with Alzheimer's disease induced by ${\beta}A$. 5. The CMT and MCMT extract reduced the infarction area of hippocampus with Alzheimer's disease induced by ${\beta}A$ 6. The MCMT showed more excellent effects than CMT in the every experiments except PC-12 cells. Conclusions : These results suggest that the CMT and MCMT extract may be effective for the prevention and treatment of Alzheimer's disease. Investigation into the clinical use of the CMT and MCMT extract for Alzheimer's disease is suggested for future research.

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The Effects of Gagbungyunsoo-tanghap Zeungsonbakchul-san (GYZB) Hot Water Extract & Ultra-fine Powder on the Alzheimer's Disease Model (각병연수장합증손백출산(却病延壽場合增損白朮散) 열수추출물, 초미세분말제형이 Alzheimer's Disease 병태(病態) 모델에 미치는 영향)

  • Choi, Bo-Yoon;Lee, Sang-Ryong;Jung, In-Chul
    • The Journal of Korean Medicine
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    • v.28 no.2 s.70
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    • pp.137-154
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    • 2007
  • Objective : This experiment was designed to investigate the effect of the GYZB hot water extract & ultra-fine powder on the Alzheimer's disease model induced by amyloid ${\beta}$ protein (${\beta}A$). Method : We measured the effects of the GYZB hot water extract on expression of $IL-1{\beta}$, IL-6 mRNA and production of IL-6, $TNF-{\alpha}$ in the BV2 microglial cell line treated with lipopolysaccharide (LPS). The effects of the GYZB hot water extract & ultra-fine powder on (1) the behavior, (2) expression of $IL-1{\beta}$ and $TNF-{\alpha}$, (3) glucose in serum, (4) the infarction area of the hippocampus, and brain tissue injury in mice induced with Alzheimer's diseased by ${\beta}A$ were investigated. Results : The GYZB hot water extract suppressed the expression of $IL-1{\beta}$ and IL-6 mRNA and significantly suppressed the production of IL-6 and $TNF-{\alpha}$ in the BV2 microglial cell line treated with LPS. The GYZB hot water extract & ultra-fine powder showed a significant inhibitory effect on the memory deficit of the mice with Alzheimer's disease induced by ${\beta}A$ in the Morris water maze experiment, which measured stop-through latency and distance movement-through latency. The GYZB ultra-fine powder significantly suppressed the expression of $IL-1{\beta}$ and $TNF-{\alpha}$ protein, and the GYZB hot water extract significantly suppressed the expression of $TNF-{\alpha}$ protein in the microglial cell of mice with Alzheimer's disease induced by ${\beta}A$. The GYZB hot water extract & ultra-fine powder reduced the infarction area of hippocampus in the mice with Alzheimer's disease induced by ${\beta}A$. Conclusions : These results suggest that GYZB hot water extract & ultra-fine powder may be effective for the prevention and treatment of Alzheimer's disease. Investigation into the clinical use of GYZB for Alzheimer's disease is suggested for future research.

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The Effects of NogYongDaeBoTang,(NYDBT)on the Alzheimer's Disease Model Induced by CT-105 and $A{\beta}$ (녹용대보탕이 ${\beta}-Amyloid$로 유도(誘導)된 Alzheimer's Disease 병태(病態) 모델에 미치는 영향(影響))

  • Seo, Gyoo-Tae;Lee, Eun-Kyung;Choi, Cheol-Hong;Chung, Dae-Kyoo
    • Journal of Oriental Neuropsychiatry
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    • v.18 no.2
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    • pp.101-132
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    • 2007
  • Objective : This research investigates the effect of the NogYongDaeBoTang,(NYDBT) on Alzheimer's disease. Method : The effects of the NYDBT extract on (1) $IL-1{\beta}$, IL-6, and $TNF-{\alpha}$ mRNA of PC-12 cells treated with LPS; (2) acetylcholinesterase(AChE), amyloid precursor proteins(APP), and glial fibrillary acidic protein(GFAP) mRNA the AChE activity and the APP production of PC-12 cell treated with CT-105; (3) the behavior; (4) expression of $IL-1{\beta}$, $TNF-{\alpha}$, MDA, $IL-1{\beta}$ mRNA, and $TNF-{\alpha}$ mRNA; (5) the infarction area of the hippocampus, and brain tissue injury in Alzheimer‘s diseased mice induced with ${\beta}A$ were investigated. Results : 1. The NYDBT extract suppressed the expression of $IL-1{\beta}$, IL-6 and $TNF-{\alpha}$ mRNA in BV2 microglia cell line treated with LPS. 2. The NYDBT extract suppressed the expression of $IL-1{\beta}$, IL-6, and $TNF-{\alpha}$ protein production in BV2 microglia cell line treated with LPS. 3. For the NYDBT extract group a significant inhibitory effect on the memory deficit was shown for the mice with Alzheimer's disease induced by $A{\beta}$ in the Morris water maze experiment, which measured stop-through latency, and distance movement-through latency. 4. The NYDBT extract suppressed the over-expression of $IL-1{\beta}$ protein, $TNF-{\alpha}$ protein, MDA, and CD68/CD11b, in the mice with Alzheimer's disease induced by $A{\beta}$. 5. The NYDBT extract reduced the infarction area of hippocampus, and controlled the injury of brain tissue in the mice with Alzheimer's disease induced by $A{\beta}$. 6. The NYDBT extract reduced the Tau protein, GFAP protein, and presenilin1/2 protein (immunohistochemistry) of hippocampus in the mice with Alzheimer's disease induced by $A{\beta}$. Conclusions : These results suggest that the NYDBT extract may be effective for the prevention and treatment of Alzheimer's disease.

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The Effects of Chaenomelis fructus,(CMF) Extract on the Alzheimer's Disease Model Induced by CT-105 and ${\beta}A$ (목과(木瓜)가 CT105 와 ${\beta}A$로 유도(誘導)된 Alzheimer's Disease병태(病態) 모델에 미치는 영향(影響))

  • Kim, Myung-Jin;Jung, In-Chul;Lee, Sang-Ryong
    • Journal of Oriental Neuropsychiatry
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    • v.16 no.1
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    • pp.97-117
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    • 2005
  • This research investigates the effect of the Chaenomelis fructus(CMF) on Alzheimer's disease. Specifically, the effects of the CMF extract on (1) >$IL-1{\beta}$, IL-6, and $TNF-{\alpha}$ mRNA of PC-12 cells treated with LPS; (2) amyloid precursor proteins(APP), acetylcholinesterase(AChE), and glial fibrillary acidic protein(GFAP) mRNA of PC-12 cells treated with CT-105; (3) the AChE activity and the APP production of PC-12 cell treated with CT-105; (4) the behavior of AD mice with ${\beta}A$; (5) expression of $IL-1{\beta}$, $TNF-{\alpha}$, MDA, $IL-1{\beta}$ mRNA, $TNF-{\alpha}$ mRNA, and ROS; (6) the infarction area of the hippocampus, and brain tissue injury in Alzheimer's diseased mice induced with ${\beta}A$ were investigated. The results were summarized as follows; 1. The CMF extract suppressed the expression of $IL-1{\beta}$, IL-6 and $TNF-{\alpha}$ mRNA in THP-1 cells treated with LPS. 2. The CMF extract suppressed the expression of APP, AChE, and GFAP mRNA in PC-12 cells treated with CT-105. 3. The CMF extract suppressed the AChE activity, and the production of APP significantly in PC-12 cells treated with CT-105. 4. A significant inhibitory effect on the memory deficit was shown on the CMF extract group of the mice with Alzheimer's disease induced by ${\beta}A$ in the Morris water maze experiment, which measured stop-through latency, and distance movement-through latency. 5. The CMF extract suppressed the over-expression of $IL-1{\beta}$ protein, $TNF-{\alpha}$ protein, MDA, $IL-1{\beta}$ protein, mRNA, $TNF-{\alpha}$ mRNA, CD68/GFAP, and ROS in the mice with Alzheimer's disease induced by ${\beta}A$. 6. The CMF extract reduced the infarction area of hippocampus, and controlled the injury of brain tissue in the mice with Alzheimer’s disease induced by ${\beta}A$. These results suggest that the CMF extract may be effective for the treatment of Alzheimer’s disease. Investigation into the clinical use of the CMF extract for Alzheimer's disease is suggested for future research.

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Usefulness of 18F-Florbetaben in Alzheimer's Disease Diagnosis (알츠하이머병 진단에서 18F-Florbetaben의 유용성)

  • Lee, Hyo-Yeong;Im, In-Chul;Song, Min-jae;Shin, Seong-gyu
    • Journal of the Korean Society of Radiology
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    • v.10 no.5
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    • pp.307-312
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    • 2016
  • Alzheimer's disease is the most common degenerative brain diseases that causes dementia. ${\beta}$-amyloid neuritic plaque density that accumulates in the brain is difficult to perform daily living, such as memory loss, language ability deterioration. It is used to estimate ${\beta}$-amyloid neuritic plaque density in adult patients with cognitive impairment who are being evaluated for Alzheimer's disease and other causes of cognitive impairment. Using the $^{18}F$-Florbetaben with high sensitivity and specificity for the ${\beta}$-amyloid neuritic plaque density to evaluate the usefulness for the early diagnosis of Alzheimer's disease. In $^{18}F$-FDG Brain imaging shows no specific findings. And it appeared on the MR-Brain imaging without atrophy of the hippocampus. However, the intake of ${\beta}$-amyloid neuritic plaque density in $^{18}F$-Florbetaben informs that it is the progress of Alzheimer's disease. Therefore, $^{18}F$-Florobetaben is very useful for early diagnosis of Alzheimer's disease.