• Title/Summary/Keyword: Animal studies

Search Result 3,585, Processing Time 0.029 seconds

Development and Application of High-density SNP Arrays in Genomic Studies of Domestic Animals

  • Fan, Bin;Du, Zhi-Qiang;Gorbach, Danielle M.;Rothschild, Max F.
    • Asian-Australasian Journal of Animal Sciences
    • /
    • v.23 no.7
    • /
    • pp.833-847
    • /
    • 2010
  • In the past decade, there have been many advances in whole-genome sequencing in domestic animals, as well as the development of "next-generation" sequencing technologies and high-throughput genotyping platforms. Consequently, these advances have led to the creation of the high-density SNP array as a state-of-the-art tool for genetics and genomics analyses of domestic animals. The emergence and utilization of SNP arrays will have significant impacts not only on the scale, speed, and expense of SNP genotyping, but also on theoretical and applied studies of quantitative genetics, population genetics and molecular evolution. The most promising applications in agriculture could be genome-wide association studies (GWAS) and genomic selection for the improvement of economically important traits. However, some challenges still face these applications, such as incorporating linkage disequilibrium (LD) information from HapMap projects, data storage, and especially appropriate statistical analyses on the high-dimensional, structured genomics data. More efforts are still needed to make better use of the high-density SNP arrays in both academic studies and industrial applications.

Assessment of Bandsharing Values in RAPD-PCR Analysis of Dwarf Cattle of Kerala

  • Suprabha, P.;Anilkumar, K.;Aravindakshan, T.V.;Raghunandanan, K.V.
    • Asian-Australasian Journal of Animal Sciences
    • /
    • v.18 no.9
    • /
    • pp.1217-1220
    • /
    • 2005
  • Random amplified polymorphic DNA (RAPD-PCR) analysis of 56 animals of four different genetic groups of dwarf cattle in Kerala was done as a single step analysis. Bandsharing (BS) values were calculated for animals of each group and between groups as an analytical tool to find out genetic variation among animals. The different factors affecting BS values were estimated using Harvey''s Least squares analysis. The effects of genetic group, Guanine-cytosine (GC) content of primer and gel on BS values were found significant. Bandsharing values of Kasargode-Highrange dwarf animals were significantly different from Vechur, Vatakara and their combinations. The Vechur, Vatakara and Vechur-Vatakara combinations were found to be more uniform (high BS value) compared with other combinations. The bandsharing value was lowest with primers of GC content 90% and highest with 80% GC content. The effect of gel on BS value points to the need of adjustments of gel factor for calculation of BS values.

Effects of Herbal Medicine (Gan Mai Da Zao Decoction) on Several Types of Neuropsychiatric Disorders in an Animal Model: A Systematic Review - Herbal medicine for animal studies of neuropsychiatric diseases -

  • Kim, Su Ran;Lee, Hye Won;Jun, Ji Hee;Ko, Byoung-Seob
    • Journal of Pharmacopuncture
    • /
    • v.20 no.1
    • /
    • pp.5-9
    • /
    • 2017
  • Objectives: Gan Mai Da Zao (GMDZ) decoction is widely used for the treatment of various diseases of the internal organ and of the central nervous system. The aim of this study is to investigate the effects of GMDZ decoction on neuropsychiatric disorders in an animal model. Methods: We searched seven databases for randomized animal studies published until April 2015: Pubmed, four Korean databases (DBpia, Oriental Medicine Advanced Searching Integrated System, Korean Studies Information Service System, and Research Information Sharing Service), and one Chinese database (China National Knowledge Infrastructure). The randomized animal studies were included if the effects of GMDZ decoction were tested on neuropsychiatric disorders. All articles were read in full and extracted predefined criteria by two independent reviewers. Results: From a total of 258 hits, six randomized controlled animal studies were included. Five studies used a Sprague Dawley rat model for acute psychological stress, post-traumatic stress disorders, and unpredictable mild stress depression whereas one study used a Kunming mouse model for prenatal depression. The results of the studies showed that GMDZ decoction improved the related outcomes. Conclusion: Regardless of the dose and concentration used, GMDZ decoction significantly improved neuropsychiatric disease-related outcomes in animal models. However, additional systematic and extensive studies should be conducted to establish a strong conclusion.

Effects of the Pharmacopuncture in Animal Models for Treatment of Osteoporosis: A Review of Animal Study Reports Published in Korea (골다공증 동물모델에서 약침치료에 대한 국내 연구보고 고찰)

  • Kim, Jung-min;Choi, Soo-min;An, Hee-Duk
    • Journal of Korean Medicine Rehabilitation
    • /
    • v.26 no.2
    • /
    • pp.75-83
    • /
    • 2016
  • Objectives This study is to review the effect of pharmacopuncture on treatment of osteoporosis in animal models reported in korean domestic journals. Methods The databases (Koreantk, KISS, NDSL) were searched with term as osteoporosis, and animal study reports on osteoporosis with pharmacopuncture were reviewed. Animal model, intervention, and osteoporosis indicator were extracted. Results 22 articles were reviewed. 11 studies used ddy mouse and 9 studies used SD rat. 20 studies used ovariectomy to induce osteoporosis. 21 studies used simple pharmacopuncture. Cervi pantotrichum cornu was most frequently used pharmacopuncture and Umgok (KI10) was most frequently used acupuncture point. Each study shows significant changes of osteoporosis indicators. Conclusions Pharmacopuncture is expected to be a positive effect on osteoporosis.

A Review on Reporting Quality of Acupuncture Intervention for Visceral Pain: Assessment with STRICTA (내장 통증에 사용된 침 중재 분석 및 보고의 질 평가)

  • Lee, In-Seon;Cheon, Soyeon;Park, Ji-Yeun
    • Korean Journal of Acupuncture
    • /
    • v.36 no.1
    • /
    • pp.19-35
    • /
    • 2019
  • Objectives : The purpose of this study is to review which acupoints and meridians are selected to treat visceral pain in articles published in international journals and to investigate quality of reporting acupuncture intervention according to the STRICTA guidelines. Methods : Electrical and hand search were conducted in PubMed, EMBASE, MEDLINE, and Cochrane Library for acupuncture studies on visceral pain in human and animals. Reporting quality of intervention was evaluated using the revised STRICTA guidelines. Results : We included 51 articles (7 clinical studies and 44 animal studies) in this study. The most frequently adopted meridians and acupoints were Stomach meridian, Spleen meridian, Conception Vessel meridian, and ST36, CV4, SP6, LI4, PC6, SP9, ST25, ST37 in clinical studies. In animal studies, Stomach meridian, Conception Vessel meridian, Pericardium meridian and ST36, ST37, CV12, PC6 were most frequently used. Animal studies showed significantly lower quality of reporting compared to clinical studies. According to the analysis on the effect of year of publication of articles, announcement of STRICTA guidelines did not improve the quality of reporting for studies on visceral pain. Conclusions : These results suggest that both proximal and distal acupoints based on meridian theory were used to study the underlying mechanisms of visceral pain both in human and animal studies. Guidelines of acupuncture intervention reporting for animal study is necessary to improve the quality of evidence, and it will also allow us the integrative understanding of the mechanisms and clinical effects of acupuncture treatment in human and animal.

Oral administration of the Herbal Medicines in animal models for treatment of Allergic Rhinitis: a Review of Animal Study Reports Published in Korea (알레르기성 비염 동물모델에서 한약제재 경구투여에 대한 국내 연구보고 고찰)

  • Jo, Hyung-Rae;Hwangbo, Min
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
    • /
    • v.29 no.1
    • /
    • pp.131-144
    • /
    • 2016
  • Objective : This study is to review the effect of herbal medicines on treatment of Allergic Rhinitis in animal models reported in Korean domestic journals.Methods : The Databases(NDSL, Koreantk, OASIS, KISS) are searched with terms as Allergic Rhinitis. among them, only animal study reports were reviewed. Animal model, intervention, and observation methods of measuring indicators were extracted.Results : 27 articles were reviewed. All studies used OVA to induce Allergic Rhinitis. 7 studies used simple herbal medicines, 20 studies used complex herbal medicines, To evaluate the effect of the Herbal medicines, 23 studies used immunological examination, 18 studies used histological examination, 16 studies used hematologic examination, 3 studies used macroscopy The evidences of 5 studies is insufficient to show that Herbal medicines are effective for treatment of Allergic Rhinitis.

Guidelines for experimental design and statistical analyses in animal studies submitted for publication in the Asian-Australasian Journal of Animal Sciences

  • Seo, Seongwon;Jeon, Seoyoung;Ha, Jong K.
    • Asian-Australasian Journal of Animal Sciences
    • /
    • v.31 no.9
    • /
    • pp.1381-1386
    • /
    • 2018
  • Animal experiments are essential to the study of animal nutrition. Because of the large variations among individual animals and ethical and economic constraints, experimental designs and statistical analyses are particularly important in animal experiments. To increase the scientific validity of the results and maximize the knowledge gained from animal experiments, each experiment should be appropriately designed, and the observations need to be correctly analyzed and transparently reported. There are many experimental designs and statistical methods. This editorial does not aim to review and present particular experimental designs and statistical methods. Instead, we discuss some essential elements when designing an animal experiment and conducting statistical analyses in animal nutritional studies and provide guidelines for submitting a manuscript to the Asian-Australasian Journal of Animal Sciences for consideration for publication.

Effect of Sources of Supplementary Protein on Intake, Digestion and Efficiency of Energy Utilization in Buffaloes Fed Wheat Straw Based Diets

  • Mehra, U.R.;Khan, M.Y.;Lal, Murari;Hasan, Q.Z.;Das, Asit;Bhar, R.;Verma, A.K.;Dass, R.S.;Singh, P.
    • Asian-Australasian Journal of Animal Sciences
    • /
    • v.19 no.5
    • /
    • pp.638-644
    • /
    • 2006
  • Sixteen adult male buffaloes (average body weight $443{\pm}14kg$) were equally distributed into four groups in an experiment to study the effect of supplementary protein sources on energy utilization efficiency in buffaloes fed a wheat straw-based diet. The animals in the control group were offered a basal diet composed of 700 g deoiled ground nut cake and ad libitum wheat straw. Animals of other groups were offered 1.8 kg of soyabean meal (SBM), linseed meal (LSM) or mustard cake (MC) along with the basal diet. Protein supplementation increased the digestibility of DM (p<0.01), OM (p<0.01) CP (p<0.01) and CF (p<0.05). Maximum CP digestibility was observed on SBM, followed by LSM and MC when compared to the control. Total DMI and DOMI was significantly (p<0.01) higher in protein supplemented groups with no differences between treatment groups. Digestible crude protein (DCP) intake and N balance were significantly (p<0.01) different between the groups; maximum response was obtained with SBM supplementation, followed by LSM and MC. Faecal energy was significantly (p<0.01) lower in SBM and LSM groups in comparison to other groups. Methane production (% DEI) was significantly (p<0.05) lower on the SBM treatment. Metabolizable energy (ME) intake increased significantly due to protein supplementation. Metabolizable energy intake (MEI) of animals in the MC group was less than LSM and SBM. Energy balance was increased significantly (p<0.01) due to protein supplementation and within supplement variation was also significant with maximum balance in SBM followed by LSM and MC groups. Protein supplementation significantly (p<0.05) increased the digestibility and metabolizability of energy from whole ration. Metabolizable energy (ME) content (Mcal/kg DM) of SBM, LSM and MC was 4.49, 3.56 and 2.56, respectively. It was concluded that protein supplementation of wheat straw increased intake, digestibility and metabolizability of energy and maximum response could be obtained when soybean meal was used as a supplement.

Trends in Animal Experiments for Herbal Medicine Treatment of Atopic Dermatitis: During the 10 year's results (한약의 아토피피부염에 대한 국내외 동물실험 연구 동향: 최근 10년을 중심으로)

  • Jeong Aram
    • The Journal of Pediatrics of Korean Medicine
    • /
    • v.37 no.3
    • /
    • pp.49-74
    • /
    • 2023
  • Objectives The aim of this study was to analyze the research trends in herbal medicine as a treatment for atopic dermatitis (AD) in an animal model. Methods We conducted a search targeting papers published from 2013 onwards in Korean and English databases. The search terms were focused on "AD", "dermatitis", and "Korean medicine". Only animal experimental studies involving the oral administration of single or complex prescriptions of Korean medicine were included, whereas in vitro studies, local administration studies, and studies of specific components of Korean medicine were excluded. We searched the PubMed and Embase databases for English databases and the Science on Research Information Sharing Service (RISS) and Korean Studies Information Service System (KISS) databases for Korean studies. Results Among the herbal medicine intervention groups, the most commonly used single herbs were baekseonpi, danggui, and douchi, whereas a mixture of hwangryun and gamcho was used in three studies, making it the most frequently used combination. There were significant improvements in indicators related to the symptoms of AD and various pro-inflammatory markers. Conclusions These results indicate the efficacy of herbal medicines in the treatment of AD in animal models. However, this study had several limitations. Therefore, future systematic reviews that address these limitations and provide more comprehensive analyses are required.