The purpose of this study was to classify noodle meals into a few groups according to their menu patterns and cooking methods from the 318 noodles and Ttokgook menus of 360 elementary school foodservices around Busan and Gyeongnam province. Noodle meals with high frequency were also analyzed by season and region to give information for menu planning and to improve elementary school foodservices. The menus were collected from the internet(http://www.kdclub.com) and the home pages of elementary schools between December 2004 and September 2005. Taking all kinds of noodle meals together, the serving frequencies were significantly different among regions, but were not different from season to season. Three different menu patterns were revealed from the collected noodle menus. The most frequently served menu pattern was 'main dish+starchy food & dessert+fruit & beverage+kimchi'. Gooksu, Ttokgook, Udong, and Kalgooksu meals were served with this menu pattern. The menu pattern of Jajangmeon meal was 'main dish+side-dish+starchy food & dessert+fruit & beverage+(kimchi)'. For the Bibimmeon and the spaghetti meals 'main dish+soup+starchy food & dessert+fruit & beverage+kimchi' was used. Ttigim, Danmugy, Saengchae, and chicken were frequently selected as side dishes in the overall noodle menus. More side dishes of a wide variety were served in Ttokgook meal, whereas Danmugy was the most preferred food item as a side dish with Jajangmeon and Udong meals. Comdog, Mandu, Ttok, Matang, and doughnut were preferred food items as a 'starchy food & dessert' with most kinds of noodle meals, except spaghetti with which only garlic-bread was served. The fruit and beverage items were not different with the majority of noodle meals. These results suggest that cost food habits, compatible flavor combinations, and food preference of children rather than nutritional considerations contributed to the selection of food items for the components of noodle meals in the school foodservices.
Testis-derived germline stem (GS) cells can undergo reprogramming to acquire multipotency when cultured under appropriate culture conditions. These multipotent GS (mGS) cells have been known to differ from GS cells in their DNA methylation pattern. In this study, we examined the DNA methylation status of the H19 imprinting control region (ICR) in multipotent adult germline stem (maGS) cells to elucidate how epigenetic imprints are altered by culture conditions. DNA methylation was analyzed by bisulfite sequencing PCR of established maGS cells cultured in the presence of glial cell line-derived neurotrophic factor (GDNF) alone or both GDNF and leukemia inhibitory factor (LIF). The results showed that the H19 ICR in maGS cells of both groups was hypermethylated and had an androgenetic pattern similar to that of GS cells. In line with these data, the relative abundance of the Igf2 mRNA transcript was two-fold higher and that of H19 was three fold lower than in control embryonic stem cells. The androgenetic DNA methylation pattern of the H19 ICR was maintained even after 54 passages. Furthermore, differentiating maGS cells from retinoic acid-treated embryoid bodies maintained the androgenetic imprinting pattern of the H19 ICR. Taken together these data suggest that our maGS cells are epigenetically stable for the H19 gene during in vitro modifications. Further studies on the epigenetic regulation and chromatin structure of maGS cells are therefore necessary before their full potential can be utilized in regenerative medicine.
Objective : In the present study, we investigated genetic distribution of eight single nucleotide polymorphisms of PON1 between Dampness and Phlegm and non Dampness and Phlegm pattern identification(PI) among Korean stroke patients. Materials and Methods : One hundred forty stroke subject without Dampness and Phlegm and fifty eight stroke subjects with Dampness and Phlegm were participated in this study. After informed consents, eight single nucleotide polymorphisms(SNPs) in PON1 of each subjects were identified by DNA sequencing and primer extension method and statistical analysis was performed to determine the significant difference between Dampness and Phlegm and non Dampness and Phlegm groups. Results : Among anthropometric characteristics and blood parameters, waist circumference and total cholesterol were significantly higher in Dampness and Phlegm. Among 8 SNPs of PON1, frequency of M allele and subjects with M allele in L55M SNP were significantly higher in Dampness and Phlegm group (p=0.0032 and p=0.0053, respectively) but subjects with T allele in C-2033T SNP were lower in Dampness and Phlegm group(p=0.0302). Effect of L55M and C-2033T on Dampness and Phlegm were 3.07% and 1.75%, respectively. Conclusion : Our results suggest that L55M SNP in exon and C-2033T in promoter region of PON1 maybe affect to Dampness and Phlegm pattern identification. However, further study should be carried out to find out the detailed mechanism how L55M and C-2033T can affect Dampness and Phlegm stroke patients.
In order to investigate the effect of Qingbaozhuyutang(淸胞逐瘀湯), Bee Veenom on 'Blood Stasis Pattern', here We regard Thrombosis and Elevated Blood viscosity as Blood Stasis Pattern. rats were injected Endotoxin into the caudal vein to make experimental thrombosis model(control group), and at sample group, rats were orally administrated solid extract of Qingbaozhuyutang(淸胞逐瘀湯) 0.5g/200g or were injected Apitoxin 1mg/Kg into the abdominal region(sample group), and then we observed platelet, fibrinogen, prothrombin time and FDP level. Another group were injected HA into the muscular rump to make experimental elevated blood viscosity instead of Endotoxin. Thereafter we measured whole blood viscosity and plasma viscosity. The results were summarized as follows. 1. Platelets were increased significantly in sample I compared with the control group. 2. Fibrinogen levels were increased significantly in sample I compared with the control group. 3. Prothrombin times were shortened significantly in sample II and sample III compared with the control group. 4. FDP levels were decreased significantly in sample II and sample III compared with the control group. 5. Whole blood viscosity and plasma viscosity were decreased significantly in all shear rates compared with the control group. According to the above results, it is considered that Qingbaozhuyutang(淸胞逐瘀湯) has significant effects on platelets, fibrinogens, prothrombin times, FDP levels, whole blood viscosity and plasma viscosities, therefore it seems to be applicable to disease related to 'Blood Stasis Pattern' through the thrombosis and elevated blood viscosity. But, Veenom has a little effect. the mechanism concerned for the effects is to be investigated in future.
Pax6, a member of the highly conserved homeobox gene family, is known to be expressed in spatially and temporally restricted pattern during embryogenesis. To examine the spatial expression pattern of Pax6 in malaria vector mosquito Anopheles stephemi, in different molecular environment, the germ line transformation technique using piggyBac transposon combined with the use of Pax6 specific 3xp3-EGFP marker was utilized. Four transgenic lines with a transformation rate of 6.7% were established. Transgenes were stably expressed in subsequent several generations. The transgenic lines showed 3 different expression pattern with spatial specificity, possibly due to enhancing and/or silencing position effects. In two transgenic lines, noble expression pattern of Pax6 was observed in the region that has not been previously reported in any animal species. The results show that the tranposon piggyBac mediated germ line transformation system can be used as an efficient tool for the generation of diverse spatially restricted reporter gene expression.
This study was conducted to determine the relationship between elapsed time after semen preservation on the changes of bacteria and semen quality. Semen was diluted with BTS(Beltsville Thawing Solution) extender without antibiotic for 7 days and sperm parameter and fertility were measured. Sperm motility was measured by CASA and total bacteria number was counted after 22~24 hr incubation from counting agar plate in which sperm dilute to $10{\sim}10^6$ in 0.9% saline solution and inoculate to agar. Acrosomal integrity was measured by Chlortetracycline (CTC) staining. CTC patterns were uniform fluorescence over the whole head (pattern F), characteristic of incapacitated acrosome-intact spermatozoa; fluorescence-free band in the post-acrosomal region (pattern B), characteristic of capacitated acrosome-intact spermatozoa; and almost no fluorescence over the whole head except for a thin band in the equatorial segment (pattern AR), characteristic of acrosome reacted spermatozoa. Total number of bacteria was significantly increased (p<0.0001) 3 days after preservation. Sperm motility, viability, and morphological abnormality on elapsed time after preservation were lower from 5 ($77.24{\pm}6.47$, p<0.001) and 7 days ($77.24{\pm}6.47$, p<0.001) after preservation compared to 1 ($15.71{\pm}7.18$) and 3 days($18.39{\pm}7.22$) after preservation, respectively. Sperm viability was significantly lower ($53.25{\pm}35.03$, p<0.0001) at 7 days after preservation. Morphological abnormality of sperm was lower (p<0.001) at 1 ($15.71{\pm}7.18$) and 3 ($18.39{\pm}7.22$) days compared to 5 ($21.84{\pm}7.91$) and 7 ($22.59{\pm}9.93$) days after preservation. Acrosomal integrity and capacitation rate (pattern F) were significantly lower (p<0.001) from 5 days after preservation. Based on the data we obtained from this study suggested that semen preserved more than 5 days without antibiotic would not recommend use for artificial insemination.
This paper proposes a multiple classifier system having massive micro classifiers. The micro classifiers are trained by using a local set of training patterns. The k nearest neighboring training patterns of one training pattern comprise the local region for training a micro classifier. Each training pattern is incorporated with one or more micro classifiers. Two types of micro classifiers are adapted in this paper. SVM with linear kernel and SVM with RBF kernel. Classification is done by selecting the best micro classifier among the micro classifiers in vicinity of incoming test pattern. To measure the goodness of each micro classifier, the weighted sum of correctly classified training patterns in vicinity of the test pattern is used. Experiments have been done on Elena database. Results show that the proposed method gives better classification accuracy than any conventional classifiers like SVM, k-NN and the conventional classifier combination/selection scheme.
The purpose of this study was conducted to find out the housewives cognition and consumption pattern of Korean rice cake. The subject were 315 housewives lived in mainly the capital region(Seoul and Kyonggi-do). A survey questionnaire consisted of three parts including demographic backgrounds, cognition and consumption pattern of Korean Rice Cake. The results obtained would be summarized as follows; 1. Almost all of the housewives(95.9%) were cognized that Korean rice cake is a traditional food, but their cognition of the Korean rice cake as a important food in present dietary life(habits) was very low(22.5%). 2. Almost all of the housewives(94.0%) were cognized that Korean rice cake is a nutritional food and most of them(75.0%) were answered that there are below 50 kinds of Korean rice cake. 3. Although they could make themselves the Korean rice cake(75.9%), didn't make it at home and they were answered(59.4%) for the reason that the recipe for the Korean rice cake is hard. 4. The results of purchasing frequency rate showed that 62.2% of housewives were purchased one to two months and they were purchased most frequently on the birth day followed by a memorial sacrifice day, a festival day, visit and invitation of quest. 5. 98.4% of respondents were answered that the taste of Korean rice cake is good and 96.5% of them were cognized that its price is expensive. 6. The most preferred kinds of Korean rice cakes showed that Red bean Sirudock, Baekseolgi, Injeolmi, Songpyeon, Yaksik etc.
Staphylococcus aureus is one of most prevalent intramammary pathogens and have characteristics which are not easily eradicated. Recently, to understand the sources and transmission of S aureus, many studies have focused on the subtyping of field isolate. This study was preformed to investigate the distribution pattern and characteristics of the isolates using phenotyping and genotyping. Samples were collected from milk of each udder, cow bodies (perianal region, vagina, tail, udder skin, sole) and environment (floor, liner, milker's hands, water, towel, insect) from 6 herds located in Kyung-gi province. Forty five strains of S aureus were isolated from 3 dairy herds (A, B, C) and were typed by hemolytic pattern, antibiotic resistant pattern, enterotoxin typing and PCR-based DNA fingerprinting. Slime productivity was also compared by each subtype to examine potential infectiousness. Of 45 strains, 41 were isolated from milk samples and 4 were isolated from liners. No strains isolated in the bodies and environment. Forty five strains isolated were classified as 18 subtypes by phenotyping and genotyping. There was common subtype between A and B herd, but the subtype of C herd showed different pattern. Among predominant subtypes, 60% of S aureus strain isolated from A and B herd showed subtype I and 50% of S aureus strain isolated from C herd belonged to subtype VI and X II. Neither somatic cell count (SCC) nor slime production was significantly different between predominant and minor subtypes. In summary, the study revealed that liners play more important roles in the mode of transmission than environmental sources. Several subtypes can be found in a herd, only a few subtype, however, was largely associated with the majority of infection.
We propose a method for tree-inspired chair modeling that can generate a tree-branch pattern in the skeleton of an arbitrary chair shape. Unlike existing methods that merge multiple-input models, the proposed method requires only one mesh as input, namely the contour mesh of the user's desired part, to model the chair with a branch pattern generated by tree-growth simulation. We propose a new method for the efficient extraction of the contour-mesh region in the tree-branch pattern. First, we extract the contour mesh based on the face area of the input mesh. We then use the front and back mesh information to generate a skeleton mesh that reconstructs the connection information. In addition, to obtain the tree-branch pattern matching the shape of the input model, we propose a three-way tree-growth simulation method that considers the tangent vector of the shape surface. The proposed method reveals a new type of furniture modeling by using an existing furniture model and simple parameter values to model tree branches shaped appropriately for the input model skeleton. Our experiments demonstrate the performance and effectiveness of the proposed method.
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