1.Cross-Reactivity of Porcine Immunoglobulin A Antibodies with Fecal Immunoglobulins of Wild Boar (Sus scrofa) and Other Animal Species.
Sang Won SEO ; Sung J YOO ; Sunyoung SUNWOO ; Bang hun HYUN ; Young S LYOO
Immune Network 2016;16(3):195-199
Fecal samples obtained from wild boar habitats are useful for the surveillance of diseases in wild boar populations; however, it is difficult to determine the species of origin of feces collected in natural habitats. In this study, a fecal IgA ELISA was evaluated as a method for identifying the porcine species from fecal samples. Both domestic pigs (Sus scrofa domestica) and wild boars (Sus scrofa coreanus) showed significantly higher levels of fecal IgA than other animal species. Additionally, age dependent changes in the level of Ig A in wild boars and domestic pigs were identified; Titers of Ig A were highest in suckling period and lowest in weanling period.
Animals*
;
Antibodies*
;
Ecosystem
;
Enzyme-Linked Immunosorbent Assay
;
Feces
;
Immunoglobulin A*
;
Immunoglobulins*
;
Methods
;
Sus scrofa*
2.Serovars distribution and antimicrobial resistance patterns of Salmonella spp. isolated from the swine farms and slaughter houses.
Hokyoung JUNG ; Sungseok LEE ; Chiyoung KIM ; Sunyoung SUNWOO ; Young S LYOO
Korean Journal of Veterinary Research 2011;51(2):123-128
Salmonella spp. is an important pathogen to both public and swine industry. The aim of this study was to investigate the distribution of Salmonella serovar and antibiotics susceptibility of the isolates from Korean swine producing systems. A total of 63 (5.28%) Salmonella spp. was isolated from 1,194 samples (977 fecal materials and 67 organ samples). The predominant Salmonella (S.) enterica serotype and serovar was group B (69.8%) and S. Typhimurium (47.6%), S. Derby (20.6%) and S. Heidelberg (1.6%). But S. Cholerasuis which is characterized host specific by septicemia and enteritis to pigs was not isolated. Antimicrobial susceptibility of the isolates varies as follows: Norfloxacine (75%), Ciprofloxacin (67.5%), Amikacin (60%), Colistin (60%), Enrofloxacin (55%). All of isolates were resistant to Erythromycin, Penicillin, Tetracycline and Lincomycin. The results of this study provided useful information regarding antimicrobial susceptibility and resistance patterns to treat salmonellosis and to prevent emergence of multidrug resistance Salmonella.
Amikacin
;
Anti-Bacterial Agents
;
Ciprofloxacin
;
Colistin
;
Drug Resistance, Multiple
;
Enteritis
;
Erythromycin
;
Fluoroquinolones
;
Lincomycin
;
Norfloxacin
;
Penicillins
;
Salmonella
;
Salmonella Infections
;
Sepsis
;
Swine
;
Tetracycline
3.The Effect of Polyphenols Isolated from Cynanchi wilfordii Radix with Anti-inflammatory, Antioxidant, and Anti-bacterial Activity.
Sunyoung JEONG ; Sunwoo LEE ; Woo Jin CHOI ; Uy Dong SOHN ; Wonyong KIM
The Korean Journal of Physiology and Pharmacology 2015;19(2):151-158
Recently, Cynanchi wilfordii Radix has gained wide use in Asian countries as a functional food effective for relieving fatigue, osteoporosis, and constipation, particularly in menopausal disorders. However, its anti-inflammatory and anti-microbial activities have not been explored in detail to date. The anti-inflammatory, antioxidant, and anti-bacterial properties of the Cynanchi wilfordii Radix extracts obtained with water, methanol, ethanol, and acetone were compared. All 4 polyphenol-containing extracts exhibited anti-inflammatory and antioxidant effects. The ethanol extract was found to elicit the most potent reduction of nitric oxide (NO), prostaglandin E2 (PGE2), and cytokine (IL-1beta, IL-6, IL-10, and TNF-alpha) levels, as well as inhibit the expression of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) in a concentration-dependent manner. The evaluation of antioxidant activity also revealed the ethanol extract to have the highest free radical scavenging activity, measured as 85.3+/-0.4%, which is equivalent to 99.9% of the activity of alpha -tocopherol. In the assessment of anti-bacterial activity, only ethanol extract was found to inhibit the growth of the Bacillus species Bacillus cereus and Bacillus anthracis. These results show that polyphenols of Cynanchi wilfordii Radix have anti-inflammatory, antioxidant, and anti-bacterial properties that can be exploited and further improved for use as a supplementary functional food, in cosmetics, and for pharmaceutical purposes.
Acetone
;
Antioxidants
;
Asian Continental Ancestry Group
;
Bacillus
;
Bacillus anthracis
;
Bacillus cereus
;
Constipation
;
Cyclooxygenase 2
;
Dinoprostone
;
Ethanol
;
Fatigue
;
Functional Food
;
Humans
;
Interleukin-10
;
Interleukin-6
;
Methanol
;
Nitric Oxide
;
Nitric Oxide Synthase Type II
;
Osteoporosis
;
Polyphenols*
;
Water
4.The Effect of Psychological Resilience on Cognitive Decline in Community-Dwelling Older Adults: The Korean Frailty and Aging Cohort Study
Sunwoo KIM ; Chang Won WON ; Sunyoung KIM ; Jung Ha PARK ; Miji KIM ; Byungsung KIM ; Jihae RYU
Korean Journal of Family Medicine 2024;45(6):331-336
Background:
Chronic stress is associated with an increased risk of cognitive impairment and Alzheimer’s disease. This study aimed to assess whether better coping with stress, as assessed using the Brief Resilience Scale (BRS), is associated with slower cognitive decline in community-dwelling older adults.
Methods:
This study used 2018/2019 data and 2-year follow-up data from the Korean Frailty and Aging Cohort Study. Of the 3,014 total participants, we included 1,826 participants (mean age, 77.6±3.7 years, 51.9% female) who completed BRS and Korean version of the Consortium to Establish a Registry for Alzheimer’s Disease Assessment Battery and the Korean version of the Frontal Assessment Battery (FAB).
Results:
Higher BRS score at baseline was associated with a lesser decline in the Mini-Mental State Examination score over 2 years after adjusting for age, sex, years of education, smoking status, hypertension, diabetes, and depression (B, 0.175; 95% confidence interval, 0.025–0.325) for 2 years, which represents global cognitive function. Other cognitive function measurements (Word List Memory, Word List Recall, Word List Recognition, Digit Span, Trail Making Test-A, and FAB) did not change significantly with the BRS score at baseline.
Conclusion
These findings suggest that better stress-coping ability, meaning faster termination of the stress response, may limit the decline in cognitive function.
5.The Effect of Psychological Resilience on Cognitive Decline in Community-Dwelling Older Adults: The Korean Frailty and Aging Cohort Study
Sunwoo KIM ; Chang Won WON ; Sunyoung KIM ; Jung Ha PARK ; Miji KIM ; Byungsung KIM ; Jihae RYU
Korean Journal of Family Medicine 2024;45(6):331-336
Background:
Chronic stress is associated with an increased risk of cognitive impairment and Alzheimer’s disease. This study aimed to assess whether better coping with stress, as assessed using the Brief Resilience Scale (BRS), is associated with slower cognitive decline in community-dwelling older adults.
Methods:
This study used 2018/2019 data and 2-year follow-up data from the Korean Frailty and Aging Cohort Study. Of the 3,014 total participants, we included 1,826 participants (mean age, 77.6±3.7 years, 51.9% female) who completed BRS and Korean version of the Consortium to Establish a Registry for Alzheimer’s Disease Assessment Battery and the Korean version of the Frontal Assessment Battery (FAB).
Results:
Higher BRS score at baseline was associated with a lesser decline in the Mini-Mental State Examination score over 2 years after adjusting for age, sex, years of education, smoking status, hypertension, diabetes, and depression (B, 0.175; 95% confidence interval, 0.025–0.325) for 2 years, which represents global cognitive function. Other cognitive function measurements (Word List Memory, Word List Recall, Word List Recognition, Digit Span, Trail Making Test-A, and FAB) did not change significantly with the BRS score at baseline.
Conclusion
These findings suggest that better stress-coping ability, meaning faster termination of the stress response, may limit the decline in cognitive function.
6.The Effect of Psychological Resilience on Cognitive Decline in Community-Dwelling Older Adults: The Korean Frailty and Aging Cohort Study
Sunwoo KIM ; Chang Won WON ; Sunyoung KIM ; Jung Ha PARK ; Miji KIM ; Byungsung KIM ; Jihae RYU
Korean Journal of Family Medicine 2024;45(6):331-336
Background:
Chronic stress is associated with an increased risk of cognitive impairment and Alzheimer’s disease. This study aimed to assess whether better coping with stress, as assessed using the Brief Resilience Scale (BRS), is associated with slower cognitive decline in community-dwelling older adults.
Methods:
This study used 2018/2019 data and 2-year follow-up data from the Korean Frailty and Aging Cohort Study. Of the 3,014 total participants, we included 1,826 participants (mean age, 77.6±3.7 years, 51.9% female) who completed BRS and Korean version of the Consortium to Establish a Registry for Alzheimer’s Disease Assessment Battery and the Korean version of the Frontal Assessment Battery (FAB).
Results:
Higher BRS score at baseline was associated with a lesser decline in the Mini-Mental State Examination score over 2 years after adjusting for age, sex, years of education, smoking status, hypertension, diabetes, and depression (B, 0.175; 95% confidence interval, 0.025–0.325) for 2 years, which represents global cognitive function. Other cognitive function measurements (Word List Memory, Word List Recall, Word List Recognition, Digit Span, Trail Making Test-A, and FAB) did not change significantly with the BRS score at baseline.
Conclusion
These findings suggest that better stress-coping ability, meaning faster termination of the stress response, may limit the decline in cognitive function.
7.The Effect of Psychological Resilience on Cognitive Decline in Community-Dwelling Older Adults: The Korean Frailty and Aging Cohort Study
Sunwoo KIM ; Chang Won WON ; Sunyoung KIM ; Jung Ha PARK ; Miji KIM ; Byungsung KIM ; Jihae RYU
Korean Journal of Family Medicine 2024;45(6):331-336
Background:
Chronic stress is associated with an increased risk of cognitive impairment and Alzheimer’s disease. This study aimed to assess whether better coping with stress, as assessed using the Brief Resilience Scale (BRS), is associated with slower cognitive decline in community-dwelling older adults.
Methods:
This study used 2018/2019 data and 2-year follow-up data from the Korean Frailty and Aging Cohort Study. Of the 3,014 total participants, we included 1,826 participants (mean age, 77.6±3.7 years, 51.9% female) who completed BRS and Korean version of the Consortium to Establish a Registry for Alzheimer’s Disease Assessment Battery and the Korean version of the Frontal Assessment Battery (FAB).
Results:
Higher BRS score at baseline was associated with a lesser decline in the Mini-Mental State Examination score over 2 years after adjusting for age, sex, years of education, smoking status, hypertension, diabetes, and depression (B, 0.175; 95% confidence interval, 0.025–0.325) for 2 years, which represents global cognitive function. Other cognitive function measurements (Word List Memory, Word List Recall, Word List Recognition, Digit Span, Trail Making Test-A, and FAB) did not change significantly with the BRS score at baseline.
Conclusion
These findings suggest that better stress-coping ability, meaning faster termination of the stress response, may limit the decline in cognitive function.