• Title/Summary/Keyword: Cat

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Trends in Leopard Cat (Prionailurus bengalensis) Research through Co-word Analysis

  • Park, Heebok;Lim, Anya;Choi, Taeyoung;Han, Changwook;Park, Yungchul
    • Journal of Forest and Environmental Science
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    • v.34 no.1
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    • pp.46-49
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    • 2018
  • This study aims to explore the knowledge structure of the leopard cat (Prionailurus bengalensis) research during the period of 1952-2017. Data was collected from Google Scholar and Research Information Service System (RISS), and a total of 482 author keywords from 125 papers from peer-reviewed scholarly journals were retrieved. Co-word analysis was applied to examine patterns and trends in the leopard cat research by measuring the association strengths of the author keywords along with the descriptive analysis of the keywords. The result shows that the most commonly used keywords in leopard cat research were Felidae, Iriomte cat, and camera trap except for its English and scientific name, and camera traps became a frequent keyword since 2005. Co-word analysis also reveals that leopard cat research has been actively conducted in Southeast Asia in conjugation with studying other carnivores using the camera traps. Through the understanding of the patterns and trends, the finding of this study could provide an opportunity for the exploration of neglected areas in the leopard cat research and conservation.

A Study on Climacteric Symptoms Corresponding to the Use of Complementary and Alternative Therapy in the Middle Aged Women (중년여성의 보완대체요법 이용양상에 따른 갱년기 증상에 관한 연구)

  • Park, Hyoung-Sook;Kim, Young-Hee;Lee, Yun-Mi
    • Journal of Korean Biological Nursing Science
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    • v.8 no.1
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    • pp.23-37
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    • 2006
  • Purpose: This study was performed to identify climacteric symptoms corresponding to the use of complementary and alternative therapy(CAT) in middle aged women. Method: The subjects of the study were 603women(40-64years) and were chosen by convenient sampling from 1 April to 31 July 2004. The collected data was analyzed using descriptive statics, chi-square, t-test analysis by SPSS/WIN program. Results: 1. It was shown that 63.8% of subjects have utilized one or more types of CAT. 2. It was shown that the most frequently used types are health supplement(40.5%), gold acupuncture(31.2%), acupress(24.7%), hand acupuncture(21.8%) 3. There was significant difference in the using experience CAT by religion(p=.029), job(p=.018), hormone replacement(p=.016), exercise(p=.007), health state(p=.013). 4. There was significant difference in climacteric symptoms(p=.000) corresponding to the using experience of CAT. 5. There was significant difference in climacteric symptoms(p=.028) corresponding to the using experience hand therapy of CAT. Conclusion: We found that middle aged women used CAT more than others populations. Future research examining the determinants of CAT use, incorporating attitudinal and health conditions, as well as clinical efficacy, effectiveness, and health outcome studies of specific CAT therapies are warranted.

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STUDY CYTOCHROME P450IA1 GENE EXPRESSION BY RTPCR.

  • Lee, Soo-Young;Yhun Y. Sheen
    • Proceedings of the Korean Society of Applied Pharmacology
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    • 1995.04a
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    • pp.128-128
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    • 1995
  • To investigate the mechanism of the regulation of cytochrome P450IA1 gene expression, ethoxyresorufin deethylase(EROD) and benzo(a)pyrene hydroxylase in B6 mouse liver, in isolated perfused rat liver system. and in B6 mouse hepatocyte Hepa-I cells were examined. In C57BL/6N mouse, 3-methylcholan- throne( 3MC ) treatment have resulted in the stimulation of EROD activity based on fluorometry by 2.79 fold comparirng with that of control. Measurement of mRNA of cytochrome P450 was carried out by either nothern blot or dot blot analysis. Findings are similar to that of studies with enzymes. Furhtermore, when RTPCR method was applied to detect mRNA in Hepa I cell and liver tissues the results were more clear. Cytochrome P450IA1 upstream DNA containing CAT construct was transfected into Hepa-1 cells. After transfection of CAT construct, 3MC and flavonoids, such as, chrysin, hesperetin, kaempferol, morin, myricetin and aminoyrine were treated. 48 Hours after treatments, cells were harvested and assayed for CAT mRNA by RTPCR. 3MC treatment to hepa I cells transfected with trout P450IA1-CAT construct increased CAT mRNA by 2.81 fold when it was compared with that of control. This increase CAT mRNA was decreased by concomitantly treated flavonoids and aminopyrine. The level of CAT protein was 29.2-58.0% of 3MC stimulated CAT protein. Results of this study suggested that RTPCR seems to be a very good method to study regulation of gene expression in liver tissue or Hepa cells.

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Production of Homozygous Transgenic Mud Loach (Misgurnus mizolepis) II. pFV4CAT Transfer by Microinjection (외래 유전자가 이식된 동형접합성 미꾸라지 생산 II. pFV4CAT이 이식된 $F_0$ 생산)

  • 남윤권;김철근;김동수
    • Journal of Aquaculture
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    • v.10 no.1
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    • pp.33-37
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    • 1997
  • construct containing reporter gene(pFV4CAT) regulated by carp $\beta$-actin promoter was microinjected into the one-cell stage egg of mud loach (Misgurnus mizolepis), and was successfully expressed, possibly by the integration into the genome. Both mean hatching success and early survival of the microinjected groups were not significantly different with those of control groups (P>0.05). The incidence of transgene was ranged from 7 to 48% based on the PCR and/or Southern blot analyses with the DNA prepared from fin or blood tissue. The spatial and temporal patterns of expression of the pFV4CAT gene, measured by in situ immunohistochemical analysis peroxidase-conjugated anti-CAT antibody, were variable among the experimental individuals. These results suggest that carp $\beta$-actin promoter is effective to express other transgene in mud loach, such that this promoter can be useful in the generation of valuable transgenic mud loach.

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A Novel Image Encryption using MLCA and CAT (MLCA와 CAT를 이용한 새로운 영상 암호화 방법)

  • Piao, Yong-Ri;Cho, Sung-Jin;Kim, Seok-Tae
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.13 no.10
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    • pp.2171-2179
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    • 2009
  • In this paper, we propose a novel Image Encryption using MLCA (Maximum Length Cellular Automata) and CAT (Cellular Automata Transform). Firstly, we use the Wolfram rule matrix to generate MLCA state transition matrix T. Then the state transition matrix T changes pixel value of original image according to pixel position. Next, we obtain Gateway Values to generate 2D CAT basis function. Lastly, the basis function encrypts the MLCA encrypted image into cellular automata space. The experimental results and security analysis show that the proposed method guarantees better security and non-lossy encryption.

Effects of Resistance Training on Serum Inflammatory Markers and CatSper 1-4 Protein Expression in Testis of OLETF Rats (저항성 운동이 OLETF 쥐의 혈청 염증반응지표 및 고환조직의 CatSper 1-4 단백질 발현에 미치는 영향)

  • Lee, Min-Ki;Park, Se-Hwan;Yoon, Jin-Hwan
    • Exercise Science
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    • v.26 no.3
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    • pp.204-211
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    • 2017
  • PURPOSE: This study was to investigate the effects of resistance exercise on serum inflammatory markers and CatSper 1-4 expression in testis of OLETF rats. METHODS: Male OLETF rats were divided into two groups; control group (n=12), resistance exercise group (n=12). The exercise group performed a total of 8 weeks of moderate intensity resistance exercise on a 1.35 m vertical ladder with weights secured to their tails. RESULTS: The results of this study was following; The exercise group showed a significant decreased in the inflammatory ($IL-1{\beta}$, IL-6, $TNF-{\alpha}$) levels as compared to the control group. But CRP was no significant difference between control and exercise groups. Also, CatSper 1 and 2 were significantly increased in the exercise group compared to the control group, whereas CatSper 3, 4 were no significant difference between both groups. CONCLUSIONS: This study suggests that resistance exercise training can contribute to reduce pro-inflammatory responses in whole body and it affects male reproductive function by improve sperm quality and CatSper protein expression.

Cat Monitoring and Disease Diagnosis System based on Deep Learning (딥러닝 기반의 반려묘 모니터링 및 질병 진단 시스템)

  • Choi, Yoona;Chae, Heechan;Lee, Jonguk;Park, Daihee;Chung, Yongwha
    • Journal of Korea Multimedia Society
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    • v.24 no.2
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    • pp.233-244
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    • 2021
  • Recently, several ICT-based cat studies have produced some successful results, according to academic and industry sources. However, research on the level of simply identifying the cat's condition, such as the behavior and sound classification of cats based on images and sound signals, has yet to be found. In this paper, based on the veterinary scientific knowledge of cats, a practical and academic cat monitoring and disease diagnosis system is proposed to monitor the health status of the cat 24 hours a day by automatically categorizing and analyzing the behavior of the cat with location information using LSTM with a beacon sensor and a raspberry pie that can be built at low cost. Validity of the proposed system is verified through experimentation with cats in actual custody (the accuracy of the cat behavior classification and location identification was 96.3% and 92.7% on average, respectively). Furthermore, a rule-based disease analysis system based on the veterinary knowledge was designed and implemented so that owners can check whether or not the cats have diseases at home (or can be used as an auxiliary tool for diagnosis by a pet veterinarian).

Molecular Cloning, Segmental Distribution and Ontogenetic Regulation of Cationic Amino Acid Transporter 2 in Pigs

  • Zou, Shi-geng;Zhi, Ai-min;Zhou, Xiang-yan;Zuo, Jian-jun;Zhang, Yan;Huang, Zhi-yi;Xu, Ping-Wen;Feng, Ding-yuan
    • Asian-Australasian Journal of Animal Sciences
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    • v.22 no.5
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    • pp.712-720
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    • 2009
  • The goal of this study was to elucidate the expression and segmental distribution of the glomerular cationic amino acid metabolism transporter-2 (CAT-2) and thus to improve our understanding of porcine cationic amino acid transporters and amino acid absorption. Porcine CAT-2 was cloned, sequenced and characterized. The predicted amino acid sequence of porcine CAT-2 shared 86.1% and 92.1% identity with human and mouse CAT-2A, respectively. The tissue distribution patterns and ontogenic changes of CAT-2 mRNAs were determined by real-time Q-PCR. The results showed that porcine CAT-2 was highly expressed in the heart and intestinal tract (duodenum, ileum and jejunum). In addition, the mRNA of CAT-2 was found in liver, lung, kidney, brain and muscle. Within the intestinal tract, CAT-2 mRNA was most abundant in the ileum and rarely expressed in the duodenum. In the duodenum, the levels of CAT-2 mRNA reached their peak on day 7 (p<0.05) while in the jejunum, levels were low on day 1 and 7 and increased rapidly after day 26 before peaking on days 30 and 60 (p<0.05). The levels then dramatically decreased by day 90 (p<0.05). In the ileum, levels achieved their maximum on day 30 and then decreased significantly on day 60 (p<0.05).

Role of a Third Extracellular Domain of an Ecotropic Receptor in Moloney Murine Leukemia Virus Infection

  • Bae Eun-Hye;Park Sung-Han;Jung Yong-Tae
    • Journal of Microbiology
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    • v.44 no.4
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    • pp.447-452
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    • 2006
  • The murine ecotropic retroviral receptor has been demonstrated to function as a mouse cationic amino acid transporter 1(mCAT1), and is comprised of multiple membranespanning domains. Feral mouse (Mus dunni) cells are not susceptible to infection by the ecotropic Moloney murine leukemia virus (MoMLV), although they can be infected by other ecotropic murine leukemia viruses, including Friend MLV and Rauscher MLV. The relative inability of MoMLV to replicate in M. dunni cells has been attributed to two amino acids $(V_{214}\;and\;G_{236})$ located within the third extracellular loop of the M. dunni CAT1 receptor (dCAT1). Via the exchange of the third extracellular loop of the mCAT1 cDNA encoding receptor from the permissive mouse and the corresponding portion of cDNA encoding for the nonpermissive M. dunni receptor, we have identified the most critical amino acid residue, which is a glycine located at position 236 within the third extracellular loop of dCAT1. We also attempted to determine the role of the third extracellular loop of the M. dunni CAT1 receptor with regard to the formation of the syncytium. The relationship between dCAT1 and virus-induced syncytia was suggested initially by our previous identification of two MLV isolates (S82F in Moloney and S84A in Friend MLV), both of which are uniquely cytopathic in M. dunni cells. In an attempt to determine the relationship existing between dCAT1 and the virally-induced syncytia, we infected 293-dCAT1 or chimeric dCAT1 cells with the S82F pseudotype virus. The S82F pseudotype virus did not induce the formation of syncytia, but did show increased susceptibility to 293 cells expressing dCATl. The results of our study indicate that S82F-induced syncytium formation may be the result of cell-cell fusion, but not virus-cell fusion.

Nam and Kim #1 Tissue-specific expression of pFV4CAT in transgenic mud loach (Misgurnus mizolepis) germ line (미꾸라지(Misgurnus mizolepis)에서 pFV4CAT 의 조직 특이적 발현)

  • Nam, Yoon-Kwon;Kim, Dong-Soo
    • Korean Journal of Ichthyology
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    • v.9 no.1
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    • pp.91-98
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    • 1997
  • The transgene, pFV4CAT, containing CAT reporter gene regulated by carp $\beta$-actin promoter, was expressed in independent transgenic mud loach germ lines, determined by reverse transcriptase-PCR (RT-PCR) and enzyme-linked immunosorbant assay (ELISA). Expression of the transmitted transgene was found to be tissue-specific in F1 and F2 generations. Tissue specificity of the expression was dependent on each transgenic line with reproducible patterns. Liver and spleen did express the transgene more frequently than other tissues tested, and muscle and heart revealed the higher amount of CAT than other tissues, while testes showed the lowest expression level. The highest level of CAT expression in muscle from a transgenic F1 line was corresponding to 68-fold compared to the basal levels of controls.

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