1.Clinicopathological Correlations of Neurodegenerative Diseases in the National Brain Biobank of Korea
Young Hee JUNG ; Jun Pyo KIM ; Hee Jin KIM ; Hyemin JANG ; Hyun Jeong HAN ; Young Ho KOH ; Duk L. NA ; Yeon-Lim SUH ; Gi Yeong HUH ; Jae-Kyung WON ; Seong-Ik KIM ; Ji-Young CHOI ; Sang Won SEO ; Sung-Hye PARK ; Eun-Joo KIM
Journal of Clinical Neurology 2025;21(3):190-200
		                        		
		                        			 Background:
		                        			and Purpose The National Brain Biobank of Korea (NBBK) is a brain bank consortium supported by the Korea Disease Control and Prevention Agency and the Korea National Institute of Health, and was launched in 2015 to support research into neurodegenerative disease dementia (NDD). This study aimed to introduce the NBBK and describes clinicopathological correlations based on analyses of data collected from the NBBK. 
		                        		
		                        			Methods:
		                        			Four hospital-based brain banks have been established in South Korea: Samsung Medical Center Brain Bank (SMCBB), Seoul National University Hospital Brain Bank (SNUHBB), Pusan National University Hospital Brain Bank (PNUHBB), and Myongji Hospital Brain Bank (MJHBB). Clinical and pathological data were collected from these brain banks using standardized protocols. The prevalence rates of clinical and pathological diagnoses were analyzed in order to characterize the clinicopathological correlations. 
		                        		
		                        			Results:
		                        			Between August 2016 and December 2023, 185 brain specimens were collected and pathologically evaluated (SNUHBB: 117; PNUHBB: 27; SMCBB: 34; MJHBB: 7). The age at consent was 70.8±12.6 years, and the age at autopsy was 71.7±12.4 years. The four-most-common clinical diagnoses were Alzheimer’s disease (AD) dementia (20.0%), idiopathic Parkinson’s disease (15.1%), unspecified dementia (11.9%), and cognitively unimpaired (CU) (11.4%).Most cases of unspecified dementia had a pathological diagnosis of central nervous system (CNS) vasculopathy (31.8%) or AD (31.8%). Remarkably, only 14.2% of CU cases had normal pathological findings. The three-most-common pathological diagnoses were AD (26.5%), CNS vasculopathy (14.1%), and Lewy body disease (13.5%). 
		                        		
		                        			Conclusions
		                        			These clinical and neuropathological findings provide a deeper understanding of the mechanisms underlying NDD in South Korea. 
		                        		
		                        		
		                        		
		                        	
2.Clinicopathological Correlations of Neurodegenerative Diseases in the National Brain Biobank of Korea
Young Hee JUNG ; Jun Pyo KIM ; Hee Jin KIM ; Hyemin JANG ; Hyun Jeong HAN ; Young Ho KOH ; Duk L. NA ; Yeon-Lim SUH ; Gi Yeong HUH ; Jae-Kyung WON ; Seong-Ik KIM ; Ji-Young CHOI ; Sang Won SEO ; Sung-Hye PARK ; Eun-Joo KIM
Journal of Clinical Neurology 2025;21(3):190-200
		                        		
		                        			 Background:
		                        			and Purpose The National Brain Biobank of Korea (NBBK) is a brain bank consortium supported by the Korea Disease Control and Prevention Agency and the Korea National Institute of Health, and was launched in 2015 to support research into neurodegenerative disease dementia (NDD). This study aimed to introduce the NBBK and describes clinicopathological correlations based on analyses of data collected from the NBBK. 
		                        		
		                        			Methods:
		                        			Four hospital-based brain banks have been established in South Korea: Samsung Medical Center Brain Bank (SMCBB), Seoul National University Hospital Brain Bank (SNUHBB), Pusan National University Hospital Brain Bank (PNUHBB), and Myongji Hospital Brain Bank (MJHBB). Clinical and pathological data were collected from these brain banks using standardized protocols. The prevalence rates of clinical and pathological diagnoses were analyzed in order to characterize the clinicopathological correlations. 
		                        		
		                        			Results:
		                        			Between August 2016 and December 2023, 185 brain specimens were collected and pathologically evaluated (SNUHBB: 117; PNUHBB: 27; SMCBB: 34; MJHBB: 7). The age at consent was 70.8±12.6 years, and the age at autopsy was 71.7±12.4 years. The four-most-common clinical diagnoses were Alzheimer’s disease (AD) dementia (20.0%), idiopathic Parkinson’s disease (15.1%), unspecified dementia (11.9%), and cognitively unimpaired (CU) (11.4%).Most cases of unspecified dementia had a pathological diagnosis of central nervous system (CNS) vasculopathy (31.8%) or AD (31.8%). Remarkably, only 14.2% of CU cases had normal pathological findings. The three-most-common pathological diagnoses were AD (26.5%), CNS vasculopathy (14.1%), and Lewy body disease (13.5%). 
		                        		
		                        			Conclusions
		                        			These clinical and neuropathological findings provide a deeper understanding of the mechanisms underlying NDD in South Korea. 
		                        		
		                        		
		                        		
		                        	
3.Clinicopathological Correlations of Neurodegenerative Diseases in the National Brain Biobank of Korea
Young Hee JUNG ; Jun Pyo KIM ; Hee Jin KIM ; Hyemin JANG ; Hyun Jeong HAN ; Young Ho KOH ; Duk L. NA ; Yeon-Lim SUH ; Gi Yeong HUH ; Jae-Kyung WON ; Seong-Ik KIM ; Ji-Young CHOI ; Sang Won SEO ; Sung-Hye PARK ; Eun-Joo KIM
Journal of Clinical Neurology 2025;21(3):190-200
		                        		
		                        			 Background:
		                        			and Purpose The National Brain Biobank of Korea (NBBK) is a brain bank consortium supported by the Korea Disease Control and Prevention Agency and the Korea National Institute of Health, and was launched in 2015 to support research into neurodegenerative disease dementia (NDD). This study aimed to introduce the NBBK and describes clinicopathological correlations based on analyses of data collected from the NBBK. 
		                        		
		                        			Methods:
		                        			Four hospital-based brain banks have been established in South Korea: Samsung Medical Center Brain Bank (SMCBB), Seoul National University Hospital Brain Bank (SNUHBB), Pusan National University Hospital Brain Bank (PNUHBB), and Myongji Hospital Brain Bank (MJHBB). Clinical and pathological data were collected from these brain banks using standardized protocols. The prevalence rates of clinical and pathological diagnoses were analyzed in order to characterize the clinicopathological correlations. 
		                        		
		                        			Results:
		                        			Between August 2016 and December 2023, 185 brain specimens were collected and pathologically evaluated (SNUHBB: 117; PNUHBB: 27; SMCBB: 34; MJHBB: 7). The age at consent was 70.8±12.6 years, and the age at autopsy was 71.7±12.4 years. The four-most-common clinical diagnoses were Alzheimer’s disease (AD) dementia (20.0%), idiopathic Parkinson’s disease (15.1%), unspecified dementia (11.9%), and cognitively unimpaired (CU) (11.4%).Most cases of unspecified dementia had a pathological diagnosis of central nervous system (CNS) vasculopathy (31.8%) or AD (31.8%). Remarkably, only 14.2% of CU cases had normal pathological findings. The three-most-common pathological diagnoses were AD (26.5%), CNS vasculopathy (14.1%), and Lewy body disease (13.5%). 
		                        		
		                        			Conclusions
		                        			These clinical and neuropathological findings provide a deeper understanding of the mechanisms underlying NDD in South Korea. 
		                        		
		                        		
		                        		
		                        	
4.Development of an HPTLC Method for Differentiating the Botanical Origins of Cuscutae Semen
Yena KIM ; Geonha PARK ; Young Pyo JANG
Natural Product Sciences 2024;30(4):309-315
		                        		
		                        			
		                        			 Cuscutae Semen has a long-standing history as a traditional herbal medicine widely utilized in East Asian  countries,  including  Korea,  China,  Hong  Kong,  and  Taiwan.  The  Korean  Herbal  Pharmacopoeia  (KHP) exclusively recognizes Cuscuta chinensis Lam. as the authentic source of Cuscutae Semen, whereas other countries also  accept  Cuscuta  australis  R.Br.  This  discrepancy  has  resulted  in  imports  containing  both  species,  which contravenes  local  regulations.  Furthermore,  a  significant  portion  of  domestically  produced  Cuscutae  Semen  is actually Cuscuta japonica Chois., regarded as an adulterant, which further complicates the market. This situation underscores the urgent need for clear differentiation of the botanical origins of Cuscutae Semen. In this study, a high-performance thin-layer chromatography (HPTLC) method was developed to simultaneously differentiate the three  origins  of  Cuscutae  Semen:  C.  chinensis,  C.  australis,  and  C.  japonica.  By  utilizing  a  TLC  scanner  and TLC-MS  interface,  the  chemical  fingerprints  of  the  samples  were  analyzed  in  detail.  The  results  revealed  that while C. chinensis and C. australis share similar profiles, they can be distinguished by the presence or absence of astragalin and kaempferol. In contrast, C. japonica showed distinct differences, characterized by the presence of chlorogenic acid derivatives. This method demonstrated the ability to rapidly and accurately differentiate between Cuscutae Semen origins, making it a cost-effective and reliable tool for ensuring quality control. It is expected to contribute to improving the standardization and reliability of herbal medicine quality management in the domestic market. 
		                        		
		                        		
		                        		
		                        	
5.Development of an HPTLC Method for Differentiating the Botanical Origins of Cuscutae Semen
Yena KIM ; Geonha PARK ; Young Pyo JANG
Natural Product Sciences 2024;30(4):309-315
		                        		
		                        			
		                        			 Cuscutae Semen has a long-standing history as a traditional herbal medicine widely utilized in East Asian  countries,  including  Korea,  China,  Hong  Kong,  and  Taiwan.  The  Korean  Herbal  Pharmacopoeia  (KHP) exclusively recognizes Cuscuta chinensis Lam. as the authentic source of Cuscutae Semen, whereas other countries also  accept  Cuscuta  australis  R.Br.  This  discrepancy  has  resulted  in  imports  containing  both  species,  which contravenes  local  regulations.  Furthermore,  a  significant  portion  of  domestically  produced  Cuscutae  Semen  is actually Cuscuta japonica Chois., regarded as an adulterant, which further complicates the market. This situation underscores the urgent need for clear differentiation of the botanical origins of Cuscutae Semen. In this study, a high-performance thin-layer chromatography (HPTLC) method was developed to simultaneously differentiate the three  origins  of  Cuscutae  Semen:  C.  chinensis,  C.  australis,  and  C.  japonica.  By  utilizing  a  TLC  scanner  and TLC-MS  interface,  the  chemical  fingerprints  of  the  samples  were  analyzed  in  detail.  The  results  revealed  that while C. chinensis and C. australis share similar profiles, they can be distinguished by the presence or absence of astragalin and kaempferol. In contrast, C. japonica showed distinct differences, characterized by the presence of chlorogenic acid derivatives. This method demonstrated the ability to rapidly and accurately differentiate between Cuscutae Semen origins, making it a cost-effective and reliable tool for ensuring quality control. It is expected to contribute to improving the standardization and reliability of herbal medicine quality management in the domestic market. 
		                        		
		                        		
		                        		
		                        	
6.Fostering international coordination in renal disaster preparedness: a collaboration between the Renal Disaster Preparedness Working Group of the International Society of Nephrology and the Disaster Preparedness and Response Committee of the Korean Society of Nephrology
Kyung Don YOO ; Sunhwa LEE ; Hayne Cho PARK ; Won Min HWANG ; Jung Pyo LEE ; Adrian LIEW ; Ali ABU-ALFA ; Hyeong Cheon PARK ; Young-Ki LEE
Kidney Research and Clinical Practice 2024;43(6):832-835
		                        		
		                        		
		                        		
		                        	
7.The efficacy of hyperbaric oxygen therapy for skin perfusion following peripheral tissue injury due to usage of inotropes and vasopressors: a case report
Nien Hsiu SUEN ; Chang Hae PYO ; Hyun Kyung PARK ; Keun Hong PARK ; Dongsun CHOI
Clinical and Experimental Emergency Medicine 2024;11(4):387-391
		                        		
		                        			
		                        			 Hyperbaric oxygen therapy (HBOT) has garnered significant attention as a therapeutic modality with potential benefits across a variety of medical conditions, ranging from wound healing and ischemic conditions to neurologic disorders and radiation-induced tissue damage. HBOT involves the administration of 100% oxygen at higher-than-atmospheric pressures, which increases the amount of oxygen dissolved in body fluids and tissues. Those elevated oxygen levels are proposed to facilitate tissue repair, reduce inflammation, and promote angiogenesis. This case report presents a compelling instance of the usefulness of HBOT in promoting skin perfusion and healing following peripheral tissue injury caused by administration of inotropic and vasopressor agents to a septic shock patient.  
		                        		
		                        		
		                        		
		                        	
8.Development of an HPTLC Method for Differentiating the Botanical Origins of Cuscutae Semen
Yena KIM ; Geonha PARK ; Young Pyo JANG
Natural Product Sciences 2024;30(4):309-315
		                        		
		                        			
		                        			 Cuscutae Semen has a long-standing history as a traditional herbal medicine widely utilized in East Asian  countries,  including  Korea,  China,  Hong  Kong,  and  Taiwan.  The  Korean  Herbal  Pharmacopoeia  (KHP) exclusively recognizes Cuscuta chinensis Lam. as the authentic source of Cuscutae Semen, whereas other countries also  accept  Cuscuta  australis  R.Br.  This  discrepancy  has  resulted  in  imports  containing  both  species,  which contravenes  local  regulations.  Furthermore,  a  significant  portion  of  domestically  produced  Cuscutae  Semen  is actually Cuscuta japonica Chois., regarded as an adulterant, which further complicates the market. This situation underscores the urgent need for clear differentiation of the botanical origins of Cuscutae Semen. In this study, a high-performance thin-layer chromatography (HPTLC) method was developed to simultaneously differentiate the three  origins  of  Cuscutae  Semen:  C.  chinensis,  C.  australis,  and  C.  japonica.  By  utilizing  a  TLC  scanner  and TLC-MS  interface,  the  chemical  fingerprints  of  the  samples  were  analyzed  in  detail.  The  results  revealed  that while C. chinensis and C. australis share similar profiles, they can be distinguished by the presence or absence of astragalin and kaempferol. In contrast, C. japonica showed distinct differences, characterized by the presence of chlorogenic acid derivatives. This method demonstrated the ability to rapidly and accurately differentiate between Cuscutae Semen origins, making it a cost-effective and reliable tool for ensuring quality control. It is expected to contribute to improving the standardization and reliability of herbal medicine quality management in the domestic market. 
		                        		
		                        		
		                        		
		                        	
9.Fostering international coordination in renal disaster preparedness: a collaboration between the Renal Disaster Preparedness Working Group of the International Society of Nephrology and the Disaster Preparedness and Response Committee of the Korean Society of Nephrology
Kyung Don YOO ; Sunhwa LEE ; Hayne Cho PARK ; Won Min HWANG ; Jung Pyo LEE ; Adrian LIEW ; Ali ABU-ALFA ; Hyeong Cheon PARK ; Young-Ki LEE
Kidney Research and Clinical Practice 2024;43(6):832-835
		                        		
		                        		
		                        		
		                        	
10.The efficacy of hyperbaric oxygen therapy for skin perfusion following peripheral tissue injury due to usage of inotropes and vasopressors: a case report
Nien Hsiu SUEN ; Chang Hae PYO ; Hyun Kyung PARK ; Keun Hong PARK ; Dongsun CHOI
Clinical and Experimental Emergency Medicine 2024;11(4):387-391
		                        		
		                        			
		                        			 Hyperbaric oxygen therapy (HBOT) has garnered significant attention as a therapeutic modality with potential benefits across a variety of medical conditions, ranging from wound healing and ischemic conditions to neurologic disorders and radiation-induced tissue damage. HBOT involves the administration of 100% oxygen at higher-than-atmospheric pressures, which increases the amount of oxygen dissolved in body fluids and tissues. Those elevated oxygen levels are proposed to facilitate tissue repair, reduce inflammation, and promote angiogenesis. This case report presents a compelling instance of the usefulness of HBOT in promoting skin perfusion and healing following peripheral tissue injury caused by administration of inotropic and vasopressor agents to a septic shock patient.  
		                        		
		                        		
		                        		
		                        	
            
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