Vladimír Křen, Vlasta Bílá, Rudolf Kašparek, Drahomíra Křenová
{"title":"A new set of recombinant inbred strains complementary to HXB and BXH sets","authors":"Vladimír Křen, Vlasta Bílá, Rudolf Kašparek, Drahomíra Křenová","doi":"10.1016/S0939-8600(00)80030-9","DOIUrl":"10.1016/S0939-8600(00)80030-9","url":null,"abstract":"<div><p>A new set of recombinant inbred [RI]strains has been developed complementary to the original RI strains BXH/HXB using the BXH2 RI strain and the SHR-<em>Lx</em> congenic strain as progenitors, both homozygous in <em>Lx</em> locus. The reason behind the production of this lies in a special SHR/BN gene combination in the BXH2 strain which is increasing the expressivity of the Lx gene and sensitizes this strain to teratogenic effects. On the contrary, the SHR genetic background minimizes the <em>Lx</em> gene expression as well as the teratogenic action of retinoic acid.</p><p>There are 10 PXO strains in 17<sup>th</sup> up to 21<sup>st</sup> generation of inbreeding. The variability of leg malformation on PXO strains is similar to that in BXH/HXB polydactylous RI strains. The genotyping of PXO RI set has been started showing relatively high degree of homozygosity [over 90%] in individual RI strains. After inbreeding is accomplished the PXO will have become a useful complement to the original RI strain system. In preliminary teratologic testing, variable sensitivity to retinoic acid has been shown in 3 PXO strains.</p></div>","PeriodicalId":77206,"journal":{"name":"Journal of experimental animal science","volume":"41 1","pages":"Pages 54-56"},"PeriodicalIF":0.0,"publicationDate":"2000-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0939-8600(00)80030-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56856973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
B. Beckmann , C.-M. Prokop , D. Wedekind , G. Levan , C. Szpirer , H.J. Hedrich
{"title":"Search for chromosomal regions carrying uterine cancer susceptibility genes in rats","authors":"B. Beckmann , C.-M. Prokop , D. Wedekind , G. Levan , C. Szpirer , H.J. Hedrich","doi":"10.1016/S0939-8600(00)80033-4","DOIUrl":"10.1016/S0939-8600(00)80033-4","url":null,"abstract":"<div><p>Uterine cancer is the fourth most frequent cancer in women. Therefore, a suitable animal model is needed. The BDII rat appears to be a good model since there are similarities in the uterine tumors in man and rat. These similarities refer to the estrogen dependent growth, the age related occurrence, the histological pattern and the inheritance.</p><p>Virgin BDII rats develop these tumors with an incidence >90%. F1 and F2 offspring of a cross between BDII and SPRD-<em>Cu<sub>3</sub></em> (resistant) as well as BN (low incidence) are informative for the genetics of this heritable, the following number of malignant uterine tumors occured:</p><p>F1-population: BDII × SPRD-<em>Cu<sub>3</sub></em> (n = 16): 1 (6,25%) BDII × BN (n = 18): 8 (44%)</p><p>F2-population: BDII × SPRD-<em>Cu<sub>3</sub></em> (n = 53): 10 (18,5%) BDII × BN (n = 59): 16 (27%)</p><p>Together with teams from Gothenburg and Brussel we have started a whole genome scan in both F2 populations. Our group examined RNO 4, 7, 11, 12, 13, 15, 18, 19, 20. RNO11 and RNO13 turned out to be interesting regarding the uterine tumors. Upon fine mapping it should be possible to identify the relevant genes and to use this information to identify the respective chromosomal regions in man.</p></div>","PeriodicalId":77206,"journal":{"name":"Journal of experimental animal science","volume":"41 1","pages":"Pages 64-67"},"PeriodicalIF":0.0,"publicationDate":"2000-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0939-8600(00)80033-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56857049","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Partial cloning of the class I gene-encompassing regions in the rat major histocompatibility complex","authors":"Lutz Walter, Sofia Ioannidu, Eberhard Günther","doi":"10.1016/S0939-8600(00)80038-3","DOIUrl":"10.1016/S0939-8600(00)80038-3","url":null,"abstract":"<div><p>Two contigs of overlapping PAC clones mapping to the centromeric and telomeric parts of the rat major histocompatibility complex (MHC) are described. Number and organization of class I genes in these contigs are delineated and compared to the corresponding regions in the mouse MHC. The evolutionary history of these class I genes is discussed.</p></div>","PeriodicalId":77206,"journal":{"name":"Journal of experimental animal science","volume":"41 1","pages":"Pages 91-94"},"PeriodicalIF":0.0,"publicationDate":"2000-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0939-8600(00)80038-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56857005","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
J. Damoiseaux, H. van der Heijden, J. van de Gaar, P. van Breda Vriesman
{"title":"Cyclosporine A-induced autoimmunity: an animal model for human scleroderma","authors":"J. Damoiseaux, H. van der Heijden, J. van de Gaar, P. van Breda Vriesman","doi":"10.1016/S0939-8600(00)80021-8","DOIUrl":"10.1016/S0939-8600(00)80021-8","url":null,"abstract":"<div><p>Animal models have been shown to be very valuable in the elucidation of pathologic mechanisms in complex human diseases. However, conscientious comparison with the human disease is required to define to what extend the respective model is relevant for the human situation. In this study we have compared Cyclosporine A-induced autoimmunity in the rat with human scleroderma and hereby we have taken into account the histo- and immunopathology, the presence of vascular abnormalities, and the occurrence of circulating autoantibodies. Altogether, the macroscopical and histopathological similarities are the most important characteristics for considering Cyclosporine A-induced autoimmunity as an experimental model for human scleroderma. Furthermore, the presence of T cells and macrophages in the lesions, as well as the peripheral immune deviation within the CD4 T cell compartment are two other common factors and they justify the use of the animal model Cyclosporine A-induced autoimmunity in further studies on the role of T cells in the pathogenesis of scleroderma.</p></div>","PeriodicalId":77206,"journal":{"name":"Journal of experimental animal science","volume":"41 1","pages":"Pages 22-26"},"PeriodicalIF":0.0,"publicationDate":"2000-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0939-8600(00)80021-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56856628","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Drahomíra Křenová , Lucie Šoltysová , Michal Pravenec , Marie-Pierre Moisan , W. Theodore Kurtz , Vladimír Křen
{"title":"Putative candidate genes for blood pressure control in the SHR.BN-RNO8 congenic substrains","authors":"Drahomíra Křenová , Lucie Šoltysová , Michal Pravenec , Marie-Pierre Moisan , W. Theodore Kurtz , Vladimír Křen","doi":"10.1016/S0939-8600(00)80029-2","DOIUrl":"10.1016/S0939-8600(00)80029-2","url":null,"abstract":"<div><p>The SHR-<em>Lx</em> congenic strain carrying a differential segment of chromosome 8 of BN and PD origin was recently shown to exhibit a significant decrease in blood pressure as compared to the SHR strain. There were two positional candidate genes for blood pressure control mapped to the differential segment: the rat kidney epithelial potassium channel gene (<em>Kcnj1</em>) and brain dopamine receptor 2 gene (<em>Drd2</em>). Bot these genes were separated into SHR.BN-RNO8 congenic substrains. In this communication, we are presenting the assignment of two further putative candidate genes, which might be involved in blood pressure control to the BN/PD differential segment of the SHR-<em>Lx</em> congenic strain. These are: the gene coding for smooth muscle cell specific protein 22 (<em>Sm22</em>) defined by the <em>D8Mcw1</em> marker and neuronal nicotinic acetylcholine receptor gene cluster, defined by the <em>D8Bord1</em> marker. Moreover, the glutamate receptor gene <em>Grik4</em> which also maps to the differential segment of the SHR-<em>Lx</em> should be taken into account. The genetic separation of all these putative candidate genes of blood pressure control is being performed by recombinations and subsequent selection using (SHR×SHR-<em>Lx</em>) intercross population.</p></div>","PeriodicalId":77206,"journal":{"name":"Journal of experimental animal science","volume":"41 1","pages":"Pages 51-53"},"PeriodicalIF":0.0,"publicationDate":"2000-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0939-8600(00)80029-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56856957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A retrospective study of the microbiological and parasitological status of laboratory rodents in France","authors":"Lionel Zenner, Jean-Pierre Regnault","doi":"10.1016/S0939-8600(00)80013-9","DOIUrl":"10.1016/S0939-8600(00)80013-9","url":null,"abstract":"<div><p>Between 1988 and 1997, 72 mouse colonies and 38 rat colonies were examined for the presence of bacteria parasite infections. Among mouse and rat bacteria, high positive rates were observed with <em>Proteus</em> species (sp.), <em>Pasteurella pneumotropica, Mycoplasma</em> sp. and <em>Pseudomonas aeruginosa</em>. Concerning murine colonies, parasites frequently detected were <em>Tritrichomonas</em> sp., <em>Syphacia</em> sp., <em>Aspiculuris tetraptera, Entamoeba muris, Spironucleus muris, Myobia musculi, Chilomastix</em> sp. and <em>Myocoptes musculinus</em>. In rats, high rates were obtained with <em>Syphacia</em> sp., <em>Tritrichomonas</em> sp., <em>Spironucleus muris, Entamoeba muris</em> and <em>Chilomastix</em> sp. During the first part of the last decade, some agents such as <em>Clostridium piliforme, Citrobacter</em> sp., <em>Mycoplasma</em> sp., <em>Pseudomonas aeruginosa, Myobia musculi, Radfordia ensifera, Spironucleus muris</em> and <em>Giardia muris</em> were often found among rodents, and most of them were still present in 1997. At the time of our study, results point out that some agents are still persistent, even increasing during the same period. It is particularly the case for parasites such as <em>Entamoeba muris</em> and the oxyurids, but also for bacteria like <em>Proteus</em> sp. and <em>Klebsiella pneumoniae</em>. We can thus conclude that only very limited success has been achieved in preventing microbial and parasitic infections in mice and rats colonies.</p></div>","PeriodicalId":77206,"journal":{"name":"Journal of experimental animal science","volume":"40 4","pages":"Pages 211-222"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0939-8600(00)80013-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56856119","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Development of neutralizing antibodies correlates with resolution of interstitial pneumonia after measles virus infection in cotton rats","authors":"Stefan Niewiesk , Paul-Georg Germann","doi":"10.1016/S0939-8600(00)80012-7","DOIUrl":"10.1016/S0939-8600(00)80012-7","url":null,"abstract":"<div><p>Cotton rats (<em>Sigmodon hispidus</em>, inbred strain COTTON/NIco) have been shown to be a good animal model to investigate measles virus (MV) immune suppression and to assess alternative vaccine candidates against MV infection. Here we demonstrate that cotton rats develop a bronchusassociated and interstitial pneumonia with necrotic lesions after intranasal infection resembling findings from fatal cases of human MV pneumonia. In the absence of superinfection <em>restitutio ad integrum</em> is observed and overcoming of lung infection correlates with the development of MV specific neutralizing antibodies.</p></div>","PeriodicalId":77206,"journal":{"name":"Journal of experimental animal science","volume":"40 4","pages":"Pages 201-210"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0939-8600(00)80012-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56856227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kenneth J. Eilertsen , Tai Tran , John P. Sundberg , Kurt S. Stenn , Satish Parimoo
{"title":"High resolution genetic and physical mapping of the mouse asebia locus: A key gene locus for sebaceous gland differentiation","authors":"Kenneth J. Eilertsen , Tai Tran , John P. Sundberg , Kurt S. Stenn , Satish Parimoo","doi":"10.1016/S0939-8600(00)80008-5","DOIUrl":"10.1016/S0939-8600(00)80008-5","url":null,"abstract":"<div><p>The asebia <em>(ab)</em> mutation in the mouse is an autosomal recessive trait with hypoplastic sebaceous glands. As a first step toward cloning the <em>ab</em> gene, we report here the genetic mapping of the <em>ab</em> locus with respect to Chromosome 19 microsatellite markers. 644 backcross progeny were generated by mating (CAST/EiJ × DBA/1LacJ-<em>ab<sup>2J</sup>/ab<sup>2J</sup></em>) F<sub>1</sub> heterozygous females and parental <em>ab<sup>2J</sup>/ab<sup>2J</sup></em> mutant males. Our results located the <em>ab</em> gene to an interval of 1.6 cM on mouse Chromosome 19 defined by flanking markers <em>D19Mit11</em> and <em>D19Mit53/D19Mit27</em>, and identified a tightly linked polymorphic marker, D19Mit67, that co-segregates with the mutation in the backcross progeny examined. This places <em>ab</em> locus 4 cM distal to its present position as indicated in Mouse Genome Database at The Jackson Laboratory. We have also mapped a yeast artificial chromosome (YAC) contig in this locus interval which suggests the <em>ab</em> interval to be less than one megabase of DNA.</p></div>","PeriodicalId":77206,"journal":{"name":"Journal of experimental animal science","volume":"40 4","pages":"Pages 165-170"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0939-8600(00)80008-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56855929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Susanne Aschhoff , Karl-Christian Schroff , Dieter B. Wildenauer , Elmar Richter
{"title":"Nicotine consumption of several mouse strains using a two bottle choice paradigm","authors":"Susanne Aschhoff , Karl-Christian Schroff , Dieter B. Wildenauer , Elmar Richter","doi":"10.1016/S0939-8600(00)80009-7","DOIUrl":"10.1016/S0939-8600(00)80009-7","url":null,"abstract":"<div><p>The two bottle choice paradigm provides a convenient method for the rapid screening of preferences of nicotine and a variety of other substances in rodents. A non-expensive, home-made bottle system with low fluid loss due to leakage or evaporation is introduced. Using this system, we tested nicotine preference of the mouse strains NMRI, C3H/J, DBA/2, ST/bJ, C57BL/6 and a cross between male A/J and female NMRI. Our results show different nicotine preference of tested mice with high nicotine preference of C57BL/6, a lower preference of C3H/J, A/J×NMRI, DBA/2 and NMRI and the lowest of ST/bJ.</p></div>","PeriodicalId":77206,"journal":{"name":"Journal of experimental animal science","volume":"40 4","pages":"Pages 171-177"},"PeriodicalIF":0.0,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0939-8600(00)80009-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56855968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}