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안효진,윤향진,김충현,위성환,문진산,An, Hyo-Jin,Yoon, Hyang-Jin,Kim, Chung-Hyun,Wee, Sung-Hwan,Moon, Jin-San 대한수의학회 2015 大韓獸醫學會誌 Vol.55 No.2
In this study, the Korean veterinary medical devices management system was evaluated relative to systems in the USA, EU, and Japan. Veterinary medical devices are regulated in Korea based on the Medical Appliance Act of 1997. This was initially supervised by the Ministry of Agriculture, Food and Rural Affairs and Korea Animal Health Products Association, and subsequently by the Animal and Plant Quarantine Agency (QIA) in 2000. These devices were classified approximately 1,400 categories as instruments, supplies, artificial insemination apparatus, and other categories. Each of these devices was assigned to four regulatory grades by the QIA in 2007. The ranking system for veterinary medical devices was implemented in 2014 with 820 products from 162 companies registered by that year. However, in vitro diagnostic devices (IVDDs) for animals were managed as medical devices and biological medicine. In vitro diagnostic reagents for treating infection diseases are not subjected to either a classification or grading system. Veterinary medical devices are currently exempt from good manufacturing practices (GMP) and device tracking requirements. Due to gradual growth of the domestic veterinary medical devices market since 2008, regulation of these devices should be improved with re-examination of IVDDs and GMP certification for the effective operating system.
안효진,김충현,윤향진,위성환,문진산 한국임상수의학회 2015 한국임상수의학회지 Vol.32 No.1
In this study, we investigated the number of categories of veterinary medical devices registered by Animal and Plant Quarantine Agency (QIA) by 2013. We also analyzed the sales of the veterinary medical devices reported from Korea Animal Health Product Association (KAHPA) from 2011 to 2013. The registration rate of veterinary medical devices has sharply increased since 2008, and a total of 495 categories from 141 companies were registered by the end of 2013. The multi-frequency products registered for companion animals were ultrasound imaging system, x-ray system, microchip & reader, telemetry system transmitter, and hematology analyzer. The veterinary medical devices for farm animals include marker, artificial insemination catheter, injector, and ultrasound imaging system. Of these products, the multi-frequency products dominated on the veterinary medical devices market. The market size of 223 (45.0%) veterinary medical devices was estimated to be approximately 20.6 billion Won in 2013; the proportion of domestic products and imports was 56% to 44%; the proportion of domestic demand and export was 82% to 18%, respectively. This study suggested that the registration and sales of the veterinary medical devices have gradually increased as the demand of health care services got bigger in Korea.
국내에서 유통되는 8종의 식육감별을 위한 multiplex PCR법 개발
허은정,고은경,윤향진,김연화,김영조,박현정,위성환,문진산 한국식품위생안전성학회 2016 한국식품위생안전성학회지 Vol.31 No.1
Species identification of animal tissues in meat products is an important issue to protect the consumer from illegal and/or undesirable adulteration; for economic, religious and health reasons. In this reason, accurate analytical methods are needed for the labeling of meat products with requiring simple and fast procedure. Recently, applications of PCR in food analysis have been increased because of their simplicity, specificity and sensitivity. Therefore, in this study, a multiplex PCR assay was developed for the simultaneous identification of eight species of cow, pig, chicken, duck, goat, sheep, horse and turkey from raw meats. The primers were designed in different regions of mitochondrial 16S RNA after alignment of the available sequences in the GenBank database. Two multiplex primer sets were designed as Set 1 (cow, pig, chicken, duck) and Set 2 (goat, sheep, horse, turkey), respectively. Total 274 samples from cow (n=55), pig (n=30), chicken (n=30), and duck (n=30), goat (n=40), sheep (n=33), horse (n=41), and turkey (n=15) were tested. The primers generated specific fragments of 94, 192, 279, 477 bp (pig, chicken, cow, duck), 670, 271, 152, 469 bp (goat, sheep, horse, turkey) lengths for eight species, respectively. The animal species specificity was 100% in all eight samples in the multiplex PCR assay. The detection limit of the multiplex PCR assay showed from 100 fg to 1 pg of template DNA from extracted from raw meats. When applying multiplex PCR assays to sample from pork/beef and pork/chicken, beef/chicken tested raw mixed meats and heat-treated (83℃ for 30min, 100℃ for 20min, and 121℃ for 10min) mixtures, detection limit was 0.1% level beef, pork and pork in beef and chicken in pork and 1.0% level pork in chicken. This study suggest that the developed multiplex PCR assay can be used for rapid and simultaneous species identification of cow, pig, chicken, duck, goat, sheep, horse and turkey from meats.
Woo-Seok Jang,송노준,윤향진,Min-Ji Kim,구진모,홍정우,이영민,박기문,박계원 한국응용생명화학회 2012 Applied Biological Chemistry (Appl Biol Chem) Vol.55 No.5
Screening of wild vegetable extracts led to isolation of Sedum kamtschaticum, Lythrum anceps, and Astilbe chinensis var. davidii as putative anti-adipogenic herbal extracts. Cell viability,lipid accumulation, and adipocyte marker expression were determined to validate the effects of the selected extracts on adipogenesis. All extracts suppressed lipid accumulation in C3H10T1/2 cells, primary mouse embryonic fibroblasts, and 3T3-L1 cells in a dose-dependent manner. These extracts inhibited mRNA expression of peroxisome proliferator-activated receptor gamma (PPARγ) and its downstream target genes such as adipocyte protein 2 (aP2), lipoprotein lipase, adiponectin, and CD36. Treatment with these extracts also consistently suppressed PPARγ and aP2 protein expressions. Additionally, these extracts generated from different parts and/or various harvest periods similarly inhibited adipocyte differentiation. Results showed the extracts have potential beneficial roles in obesity and related metabolic syndromes.