• 제목/요약/키워드: amyloid precursor proteins

검색결과 38건 처리시간 0.022초

APP tail 1 (PAT1)과 kinesin light chains (KLCs)의 tetratricopeptide repeat (TPR) domain을 통한 결합 (APP Tail 1 (PAT1) Interacts with Kinesin Light Chains (KLCs) through the Tetratricopeptide Repeat (TPR) Domain)

  • 장원희;김상진;정영주;전희재;문일수;석대현
    • 생명과학회지
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    • 제22권12호
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    • pp.1608-1613
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    • 2012
  • KIF5/Kinesin-I는 경쇄(light chain)를 통하여 결합함으로써 다양한 운반체들을 미세소관을 따라 운반한다. Kinesin light chains (KLCs)은 tetratricopeptide repeat (TPR) 영역을 매개로 운반체와 결합한다. 현재까지 KLCs와 결합하는 많은 운반체들이 확인되었으나 KLCs가 어떻게 특정운반체를 인식하여 결합하는지는 아직 확실히 밝혀지지 않았다. 본 연구에서 KLC1의 TPR 영역과 결합하는 단백질을 분리하기 위하여 효모 two-hybrid system을 이용하여 탐색한 결과 amyloid precursor protein (APP)과 결합하는 것으로 보고된 protein interacting with APP tail 1 (PAT1)을 분리하였다. KLC1은 PAT1의 C-말단 부위와 결합하며, PAT1은 KLC1의 TPR 영역을 포함한 부위와 결합함을 효모 two-hybrid assay로 확인하였다. 또한 PAT1는 KLC2와도 결합하였지만 kinesin heavy chains (KHCs)인 KIF5A, KIF5B, KIF5C와는 결합하지 않았다. 단백질간 결합은 glutathione S-transferase (GST) pull-down assay와 공동면역침강으로도 확인하였다. 생쥐의 뇌 파쇄액을 PAT1 항체와 APP 항체로 면역침강을 행한 결과 KLC와 KHCs가 같이 침강하였다. 이러한 결과들은 PAT1이 Kinesin-I와 APP 포함 소포간의 상호작용을 매개한다는 것을 시사한다.

산양산삼 증류약침의 혈맥주입 후 나타나는 혈장의 Proteom 분석 (Analysis of Serum Proteom after Intravenous Injection of cultivated wild ginseng pharmacopuncture)

  • 이동희;귄기록
    • 대한약침학회지
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    • 제9권2호
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    • pp.17-37
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    • 2006
  • Objectives : To observe the changes in the serum proteins after intravenous injection of cultivated wild ginseng pharmacopuncture. Methods : Blood was collected before and after the administration of cultivated wild ginseng pharmacopuncture and only the serum was taken. Then differences in the spots on the scanned image after carrying out 2-Dimensional electrophoresis were located and conducted mass analysis and protein identification. Results : Following results were obtained from the comparative analysis of serum proteins before and after the administration of cultivated wild ginseng pharmacopuncture. 1. 28 spots were identified before and after the administration. 2. In confirming manifestation degree, spots with more than two-times increase were 204, 1302, 2205, 3105, 7104, 8006, spots with more than one-time increase were 1101, 1505, 2013, 2403, 3009, 3010, 4002, 4009, 6704, 8101, and spots with decrease were 205, 801, 803, 3205, 5202, 6105, 6106, 7103, 9001, 9003. 3. After conducting protein identification, proteins 205, 804, 1302, 4009, 6105, 6106 are unidentified yet, and 1l01 is unnamed protein. Protein 204 is identified as complement receptor CR2-C3d, 801 as YAPl protein, 803 as antitrypsin polymer, 1505 as PRO0684, 2013 and 3010 as proapolipoprotein, 2205 as USP48, 2403 as vitamin D binding protein, 3009 as complement component 4A preprotein, 3105 as immunoglobulin lambda chain, 3205 as transthyretin, 4002 as Ras-related protein Ral-A, 4204 as beta actin, 5202 and 7104 as apolipoprotein Ll, 6704 as alpha 2 macroglobulin precursor, 7103 as complement component 3 precursor, 8006 as testis-specific protein Y, 8101 as transferrin, 9001 as (Alpha-Oxy, Beta-(Cl12g)deoxy) T-State Human Hemoglobin, and 9003 as human hemoglobin. 4. Immune protein CR2-C3d(204), which acts against microbes and pathogenic organisms, was increased by more than two-times after the administration of pharmacopuncture. 5. Antitrypsin(803), which is secreted with inflammatory response in the lungs, was reduced after the administration of pharmacopuncture. 6. Proapolipoprotein(2013, 3010) and apolipoprotein(7104), key components of the HDL-cholesterol which plays an important role in preventing arteriosclerosis, were increased after the administration of pharmacopuncture. 7. Vitamin D binding protein(DBP, 2403), protecting the lung at the time of inflammatory response, was increased after the administration of pharmacopuncture. 8. Transthyretin(TTR, 3205), which is the main protein causing familial amyloid polyneuropathy(FAP), was decreased after the administration of pharmacopuncture. 9. Ras-related protein Ral-A(4002) that controls phospholipid metabolism, cytoskeletal formation, and membrane traffic, was increased after the administration of pharmacopuncture. 10. Testis-specific protein Y(8006), which takes part in determination of the gender, was increased by more than two-times after the administration of pharmacopuncture. 11. Transferrin(8101), which balances the iron level in the body, was increased after the administration of pharmacopuncture. Conclusion : Above results support the notion that intravenous injection of cultivated wild ginseng pharmacopuncture induce changes in serum proteins and this research can be a pioneer work in finding biomarkers.

두견화(杜鵑花)가 Alzheimer's Disease 병태(病態) 모델에 미치는 영향(影響) (The Effects of Rhododendron simsii Planch(RSP) on the Alzheimer's Disease Model)

  • 장진실;이상룡;정인철
    • 동의신경정신과학회지
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    • 제17권2호
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    • pp.75-89
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    • 2006
  • Objective : This experiment was designed to investigate the effect of Rhododendron simsii Planch(RSP) on the Alzheimer's disease. Method : The effects of RSP on amyloid precursor proteins(APP), acetylcholinesterase (AChE), glial fibrillary acidic protein(GFAP) mRNA of PC-12 cell treated by amyloid ${\beta}$ protein$(A{\beta})$ and $IL-1{\beta}$, IL-6, $TNF-{\alpha}$ mRNA of THP-1 cell treated by lipopolysaccharide(LPS), AChE activity of PC-12 cell lysate treated by $A{\beta}$ and behavior of the memory deficit mice induced by scopolamine, and glucose, AChE in serum of the memory deficit mice induced by scopolamine were investigated, respectively. Result : 1. RSP suppressed APP, AChE, GFAP mRNA in PC-12 celt treated by $A{\beta}$. 2. RSP suppressed $IL-1{\beta}$, IL-6, $TNF-{\alpha}$ mRNA in THP-1 cell treated by LPS. 3. RSP suppressed AChE activity in cell lysate of PC-12 cell treated by $A{\beta}$. 4. RSP increased glucose and decreased AChE significantly in the serum of the memory deficit mice induced by scopolamine. 5. RSP group showed significantly inhibitory effect on the scopolamine-induced impairment of teaming and. memory in the experiment of Morris water maze. Conclusion : According to the above results, it is suggested that RSP might be usefully applied for prevention and treatment of Alzheimer's disease and memory deficit symptom.

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사인(砂仁)이 Alzheimer's Disease 병태 모델에 미치는 영향 (Effects of Amomum villosum(AMV) Extract on the Alzheimer's Disease Model)

  • 최보윤;정인철;이상룡
    • 동의생리병리학회지
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    • 제20권1호
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    • pp.43-51
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    • 2006
  • This experiment was designed to investigate the effect of Amomum villosum(AMV) on the Alzheimer's disease. The effects of AMV extract on amyloid precursor proteins(APP), acetylcholinesterase(AChE), glial fibrillary acidic protein(GFAP) mRNA of PC-12 cell line treated by amyloid $\beta$ protein($A{\beta}$) : IL-$1{\beta}$, IL-6, TNF-$\alpha$ mRNA of THP-1 cell line treated by lipopolysaccharide(LPS) : AChE activity of PC-12 cell lysate treated by $A{\beta}$ : serum glucose, uric acid, AChE activity of memory deficit rats induced by scopolamine : behavior of memory deficit mice induced by scopolamine were investigated, respectively. AMV extract suppressed APP, AChE, GFAP mRNA in PC-12 cell treated by $A{\beta}$ : IL-$1{\beta}$, IL-6, TNF-$\alpha$ mRNA in THP-1 cell treated by LPS , AChE activity in cell lysate of PC-12 cell treated by $A{\beta}$. AMV extract increased glucose, decreased uric acid and AChE significantly in the serum of the memory deficit rats induced by scopolamine. AMV extract group showed significantly inhibitory effect on the memory deficit of mice induced by scopolamine in the experiment of Morris water maze. According to the above results, it is suggested that AMV extract might be usefully applied for prevention and treatment of Alzheimer's disease.

산사육이 Alzheimer's Disease 병태 모델에 미치는 영향 (The Effects of Crataegus pinnatifida BGE. var. major N.E. BR Extract on the Alzheimer's Disease Model)

  • 정인철;이상룡
    • 동의생리병리학회지
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    • 제16권2호
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    • pp.279-288
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    • 2002
  • This research investigates the effect of the Crataegus pinnatifida BGE. var. major N.E. BR(CPVM) on Alzheimer's disease. The CPVM extract suppressed the expression of IL-1 β, IL-6, APP, AChE mRNA in PC-12 cells treated with CT105. The CPVM extract suppressed the AChE activity, and the production of APP significantly in PC-12 cells treated with CT105. The CPVM extract group showed a significant inhibitory effect on the memory deficit for the mice with Alzheimer's disease induced by CT105 in the Morris water maze experiment. The CPVM extract suppressed the over-expression of IL-1 β, TNF- α and ROS in the mice with Alzheimer's disease induced by CT105. This study suggests that CPVM may be effective for the prevention and treatment of Alzheimer's disease.

가감고본환(加減固本丸)이 치매병태모델에 미치는 영향(影響) (Effects of KakamGoBonHwan (KGBH) on Inhibition of Impairment of Learning and Memory, and Acetylcholinesterase in Amnesia mice)

  • 정인철;이상룡;하수영
    • 동의신경정신과학회지
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    • 제13권1호
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    • pp.53-77
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    • 2002
  • Alzheimer's disease(AD) is a progressive neurodegenerative disease, which is pathologically characterized by neuritic plaques and neurofibrillary tangles associated with the acetylcholinesterase, apolipoprotein E and butylcholinesterase, and by mutations in the presenilin genes PS1 and PS2, and amyloid precursor proteins (APPs) overexpression. The present research is to examine the inhibitory effect of KGBH on PS1, PS2 and APPs overexpression detected by Western blotting. To verify the Effects of KGBH on cognitive deficits further, we tested it on the scopolamine(1mg/kg)-induced amnesia model of the mice using the Morris water maze tests, and there were ameliorative effects on memory impairment as a protection against scopolamine. KGBH only partially blocked the increase in blood serum level of acetylcholinesterase and Uric acid induced by scopolamine, where as blood glucose level was shown to attenuate the amnesia induced by scopolamine and inreased extracellular serum level. In conclusion, studies of KGBH that has been known as anti-choline and inhibitory ablilities of APPs overexpression, could also be used further as a important research data for a preventive and promising symptomatic treatment for Alzheimer's disease.

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파극천(巴戟天)이 치매병태모델에 미치는 영향(影響) (Effects of Morinda officinalis (MDOF) on Inhibition of Impairment of Learning and Memory, and Acetylcholinesterase in Amnesia Mice)

  • 정인철;이상룡;김현수
    • 동의신경정신과학회지
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    • 제14권1호
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    • pp.45-58
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    • 2003
  • Alzheimer's disease(AD) is progressive neurodegenerative disease, which is pathologically characterized by neuritic plaques and neurofibrillary tangles associated with the acetylcholinesterase, apolipoprotein E and butylcholinesterase, and by mutations in the presenilin genes PS1 and PS2, and amyloid precursor proteins (APP) overexpression. The present research is to examine the inhibition effect of MDOF on PS-1, PS-2 and APP overexpression by detected to Western blotting. To verify the effects of MDOF on cognitive deficits further, we tested it on the scopolamine-induced amnesia model of the mice using the Morris water maze tests, and there was ameliorative effects of memory impairment as a protection to scopolamine. MDOF only partially blocked the increase in blood serum level of acetylcholinesterase and Uric acid induced by scopolamine, whereas blood glucose level was shown to attenuate the amnesia induced by scopolamine and inreased extracelluar serum level compared with only scopolamine injection. In conclusion, studies of MDOF that has been know as anti-choline and inhibition ablilities of APP overexpression, this could also be used further as a important research data for a preventive and promising symptomatic treatment for Alzheimer's disease.

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향부자(香附子)가 치매병태모델에 미치는 영향(影響) (Effects of Cyperus rotundus (CPRT) on Inhibition of Impairment of Learning and Memory, and Acetylcholinesterase in Amnesia Mice)

  • 정인철;이상룡;윤상학
    • 동의신경정신과학회지
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    • 제14권1호
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    • pp.59-74
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    • 2003
  • Alzheimer's disease(AD) is a progressive neurodegenerative disease, which is pathologically characterized by neuritic plaques and neurofibrillary tangles associated with the acetylcholinesterase, apolipoprotein E and butylcholinesterase, and by mutations in the presenilin genes PS1 and PS2, and amyloid precursor proteins (APP) overexpression. The present research is to examine the inhibition effect of CPRT on PS-1, PS-2 and APP overexpression by detected to Western blotting. To verify the Effects of CPRT on cognitive deficits further, we tested it on the scopolamine-induced amnesia model of the mice using the Morris water maze tests, and there was ameliorative effects of memory impairment as a protection to scopolamine. CPRT only partially blocked the increase in blood serum level of acetylcholinesterase and Uric acid induced by scopolamine, whereas blood glucose level was shown to attenuate the amnesia induced by scopolamine and inreased extracellular serum level compared with only scopolamine injection. In conclusion, studies of CPRT that has been known as anti-choline and inhibition ablilities of APP overexpression, this could also be used further as a important research data for a preventive and promising symptomatic treatment for Alzheimer's disease.

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천왕보심단(天王補心丹)이 치매병태모델에 마치는 영향(影響) (Effects of ChenWhangBosimDan(CWBD) on Inhibition of Impairment of Learning and Memory, and Acetylcholinesterase in Amnesia mice)

  • 정인철;이상룡;이준영
    • 동의신경정신과학회지
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    • 제13권2호
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    • pp.149-171
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    • 2002
  • Alzheimer's disease(AD) is a progressive neurodegenerative disease, which is pathologically characterized by neuritic plaques and neurofibrillary tangles associated with the acetylcholinesterase, apolipoprotein E and butylcholinesterase, and by mutations in the presenilin genes PS1 and PS2, and amyloid precursor proteins (APPs)'s overexpression. The present research is to examine the inhibitory effect of CWBD on PS1, PS2 and APPs's overexpression detected by Western blotting. To verify further the effects of CWBD on cognitive deficits, we tested it on the scopolamine(1mg/kg)-induced amnesia model of the mice using the Morris water maze tests, and there were ameliorative effects on memory impairment as a protection from scopolamine. CWBD only partially blocked the increase in blood serum level of acetylcholinesterase and Uric acid induced by scopolamine, whereas blood glucose level was shown to attenuate the amnesia induced by scopolamine and increased extracellular serum level. In conclusion, studies of CWBD that has been known as anti-choline and inhibitory ablilities of APPs's overexpression could also be used further as a important research data for a preventive and promising symptomatic treatment for Alzheimer's disease.

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익정지황탕(益精地黃湯)이 치매병태(痴寐病態)모델에 미치는 영향(影響) (Effects of YkJungJiHwangTang(YJJHT) on Inhibition of Impairment of Learning and Memory, and Acetylcholinesterase in Amnesia Mice)

  • 최병만;이상룡
    • 동의신경정신과학회지
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    • 제11권2호
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    • pp.23-42
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    • 2000
  • Alzheimer's disease(AD) is progressive neurodegenerative disease, which is pathologically characterized by neuritic plaques and neurofibrillary tangles associated with the acetylcholinesterase, apolipoprotein E and butylcholinesterase, and by mutations in the presenilin genes PSI and PS2, and amyloid precursor proteins (APP) overexpression. The present research is to examine the inhibition effect of YJJHT on PS-1, PS-2 and APP overexpression by detected to Western blotting. To verify the EFFects of YJJHT on cognitive deficits further, we tested it on the scopolamine-induced amnesia model of the mice using the Morris water maze tests. and there was ameliorative effects of memory impairment s a protection to scopolamine. YJJHT only partially blocked the increase in blood serum level of acetylcholinesterase and Uric acid induced by scopolamine. whereas blood glucose level was shown to attenuate the amnesia induced by scopolamine and inreased extracellular serum level compared with only scopolamine injection. In conclusion, studies of YJJHT that has been know as anti-choline and inhibition ablilities of APP overexpression, this could also be used further as a important research data for a preventive and promising symptomatic treatment for Alzheimer's disease.

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