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Richard Webb(Richard Webb ),Alison Early(Alison Early ),Bethan Scarlett(Bethan Scarlett ),Jack Andrew Clark(Jack Andrew Clark ),Jumo Doran(Jumo Doran ),Daniel Nash(Daniel Nash ),Michael G Hughes(Micha 사피엔시아 2021 Exercise Medicine Vol.5 No.-
Objectives: Genomic markers linked to exercise-associated health benefits and/or sporting performance are increasingly used to guide decision-making in healthcare and sport/exercise science. This project investigated whether the IL-6R SNP “rs2228145” might be provisionally designated a novel physical activity/exercise marker. rs2228145 results in an Aspartate358/Alanine358 change adjacent to the site where the IL-6R protein is cleaved into two fragments, resulting in ~two-fold increases in blood-borne levels of soluble IL-6R [‘sIL-6R’]. Methods: Cohorts of staff/students at Cardiff Metropolitan University donated/completed: [i] finger-prick capillary blood samples (subjected to ELISAs for sIL-6R, the associated signalling protein sgp130, and the IL-6/sIL-6R complex); [ii] cheek-swab samples containing buccal epithelial cell DNA (subjected to PCR-based IL-6R/rs2228145 genotyping assays); [iii] International Physical Activity Questionnaires (to estimate physical activity levels in the week preceding sample donation). Results: As expected, we observed significant genotype-dependent differences in blood-borne sIL-6R levels (CC (44.1±21.7ng/mL) vs. AC (28.6±7.3ng/mL) vs. AA (19.9±6.5ng/mL; P<0.05)); Importantly, AA homozygotes undertook significantly more physical activity than AC heterozygotes (6318±899 v. 3904±2280 MET-mins/week; P<0.01). Genotype was significantly associated with physical activity levels (P<0.05), and sIL-6R (P=0.197) and sgp130 (P=0.160) showed non-significant correlations with physical activity levels. Conclusions: These data suggest that IL-6R/rs2228145 genotype may influence participation in physical activity/exercise, perhaps by impacting on abilities to tolerate activity without experiencing adverse-effects. Although more research is required to confirm these preliminary findings, designation of IL-6R/rs2228145 as a novel marker, and determination of participants’ IL-6R/rs2228145 genotypes, may in future be useful tools to aid exercise-providers in designing personalised exercise programmes matched to clients/patients.
Chanika Pungpian,Scarlett Lee,Suthathip Trongjit,Nuananong Sinwat,Sunpetch Angkititrakul,Rangsiya Prathan,Songsak Srisanga,Rungtip Chuanchuen 대한수의학회 2021 Journal of Veterinary Science Vol.22 No.5
Background: Colistin and carbapenem-resistant bacteria have emerged and become a serious public health concern, but their epidemiological data is still limited. Objectives: This study examined colistin and carbapenem resistance in Escherichia coli and Salmonella from pigs, pig carcasses, and pork in Thailand, Lao PDR, and Cambodia border provinces. Methods: The phenotypic and genotypic resistance to colistin and meropenem was determined in E. coli and Salmonella obtained from pigs, pig carcasses, and pork (n = 1,619). A conjugative experiment was performed in all isolates carrying the mcr gene (s) (n = 68). The plasmid replicon type was determined in the isolates carrying a conjugative plasmid with mcr by PCR-based replicon typing (n = 7). The genetic relatedness of mcr-positive Salmonella (n = 11) was investigated by multi-locus sequence typing. Results: Colistin resistance was more common in E. coli (8%) than Salmonella (1%). The highest resistance rate was found in E. coli (17.8%) and Salmonella (1.7%) from Cambodia. Colistin-resistance genes, mcr-1, mcr-3, and mcr-5, were identified, of which mcr-1 and mcr-3 were predominant in E. coli (5.8%) and Salmonella (1.7%), respectively. The mcr-5 gene was observed in E. coli from pork in Cambodia. Two colistin-susceptible pig isolates from Thailand carried both mcr-1 and mcr-3. Seven E. coli and Salmonella isolates contained mcr-1 or mcr-3 associated with the IncF and IncI plasmids. The mcr-positive Salmonella from Thailand and Cambodia were categorized into two clusters with 94%–97% similarity. None of these clusters was meropenem resistant. Conclusions: Colistin-resistant E. coli and Salmonella were distributed in pigs, pig carcasses, and pork in the border areas. Undivided-One Health collaboration is needed to address the issue.
Shopping Smart: The moderating influence of time pressure and shopping enjoyment
Min-Young Lee,Scarlett Wesley 한국유통학회 2009 流通硏究 Vol.14 No.4
In the current situation (e.g., hard economic condition), being a smart shopper is the most important agenda for many consumers. The objectives of this study were to investigatewhat might constitute a consumer shopping smart by considering: (a) whether sales proneness and convenience seeking have an influenceon shopping smart; (b) whether the level of time pressure and shopping enjoyment moderate the influence of sales proneness and convenience seeking on shopping smart and (c) whether shopping smart has an influence on satisfaction. The findings of this study indicated that sales proneness had an influence on shopping, whereas convenience seeking did not affect shopping smart. Both moderating variables (i.e., shopping enjoyment and time pressure) revealed a significant influence on the relationship between sales proneness and shopping smart. However, these variables did not moderate the relationship between convenience seeking and shopping smart. Shopping smart has a significant influence on satisfaction. Implications and limitations were discussed.
Konstantinos Papoutsis,Penta Pristijono,John Brett Golding,Costas Evangelou Stathopoulos,Christopher James Scarlett,Michael Christian Bowyer,Quan Van Vuong 한국식품과학회 2016 Food Science and Biotechnology Vol.25 No.4
The effects of different solvents on the recovery of (i) extractable solids (ES), (ii) totalphenolic compounds (TPC), (iii) total flavonoid content (TFC), (iv) vitamin C, and (v) antioxidant activityfrom lemon pomace waste were investigated. The results revealed that solvents significantly affectedthe recovery of ES, TPC, TFC, and antioxidant properties. Absolute methanol and 50% acetone resultedin the highest extraction yields of TPC, whereas absolute methanol resulted in the highest extraction ofTFC, and water had the highest recovery of vitamin C. 50% ethanol, and 50% acetone had higherextraction yields for TPC, and TFC, as well as higher antioxidant activity compared with their absolutesolvents and water. TPC and TFC were shown to be the major components contributing to theantioxidant activity of lemon pomace.
Papoutsis, Konstantinos,Pristijono, Penta,Golding, John Brett,Stathopoulos, Costas Evangelou,Scarlett, Christopher James,Bowyer, Michael Christian,Vuong, Quan Van 한국식품과학회 2016 Food Science and Biotechnology Vol.25 No.4
The effects of different solvents on the recovery of (i) extractable solids (ES), (ii) total phenolic compounds (TPC), (iii) total flavonoid content (TFC), (iv) vitamin C, and (v) antioxidant activity from lemon pomace waste were investigated. The results revealed that solvents significantly affected the recovery of ES, TPC, TFC, and antioxidant properties. Absolute methanol and 50% acetone resulted in the highest extraction yields of TPC, whereas absolute methanol resulted in the highest extraction of TFC, and water had the highest recovery of vitamin C. 50% ethanol, and 50% acetone had higher extraction yields for TPC, and TFC, as well as higher antioxidant activity compared with their absolute solvents and water. TPC and TFC were shown to be the major components contributing to the antioxidant activity of lemon pomace.
Sathira Hirun,최정화,Jutatip Ayarungsaritkul,Chonnipa Pawsaut,Chanutchamon Sutthiwanjampa,Quan V Vuong,Suwimol Chockchaisawasdee,허영란,Christopher J Scarlett 한국식품과학회 2015 Food Science and Biotechnology Vol.24 No.2
Far-infrared (FIR) vacuum is an advanced drying technique that has recently been applied in food processing. Optimal drying conditions for processing tea from Miang leaves using FIR vacuum drying were investigated. Response surface methodology with a central composite design was used to design, analyze, and predict the optimal time and temperature conditions for FIR vacuum drying, taking into account the physicochemical properties of Miang leaves. When the temperature increased from 50 to 65℃ and the time from 60 to 120 min, the amount of epicatechin, epicatechin gallate, epigallocatechin gallate, and total catechins significantly (p<0.05) increased while the moisture content and water activity significantly (p<0.05) decreased, compared with controls. The physicochemical properties of dried Miang leaves were significantly (p>0.05) influenced by time and temperature, compared with controls. Drying conditions of 65℃ for 120 min are recommended for optimization of drying.