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  1. Article: Biological parameters of transgenic rabbits

    Ernst, L. K

    Russian agricultural sciences. 2011 June, v. 37, no. 3

    2011  

    Abstract: The investigations were conducted at the Center of Biotechnology and Molecular Diagnostics of the All-Russian Animal Husbandry Research Institute, where a number of valuable transgenic animals (rabbits, sheep, and pigs) have been produced over the course ...

    Abstract The investigations were conducted at the Center of Biotechnology and Molecular Diagnostics of the All-Russian Animal Husbandry Research Institute, where a number of valuable transgenic animals (rabbits, sheep, and pigs) have been produced over the course of 20 years. The article presents the blood indices of control and transgenic rabbits with an integrated insulin gene.
    Keywords blood ; genes ; hematology ; insulin ; rabbits ; sheep ; swine ; transgenic animals ; Russia
    Language English
    Dates of publication 2011-06
    Size p. 242-243.
    Publishing place Springer-Verlag
    Document type Article
    ISSN 1068-3674
    DOI 10.3103/S1068367411030050
    Database NAL-Catalogue (AGRICOLA)

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  2. Article: Biological Parameters of Transgenic Rabbits

    Ernst, L. K.

    Russian agricultural sciences

    2011  Volume 37, Issue 3, Page(s) 242

    Language English
    Document type Article
    ZDB-ID 1172157-1
    ISSN 0735-2700 ; 1068-3674
    Database Current Contents Nutrition, Environment, Agriculture

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    In stock of ZB MED Bonn / Germany

    Z 2951: Show issues

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  3. Book: Monitoring geneticheskikh bolezneĭ u zhivotnykh v sisteme krupnomasshtabnoĭ selekt͡sii

    Ėrnst, L. K

    2006  

    Author's details L.K. Ėrnst, A.I. Zhigachev
    MeSH term(s) Genetic Diseases, Inborn/veterinary ; Animal Husbandry/methods
    Language Russian
    Size 382 p. :, ill.
    Publisher Rosselʹkhozakademii͡a
    Publishing place Moskva
    Document type Book
    ISBN 9785859412501 ; 5859412509
    Database Catalogue of the US National Library of Medicine (NLM)

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  4. Book: Problema ėtnomologicheskikh istochnikov polnot︠s︡ennogo kormlenii︠a︡ selʹskokhozi︠a︡ĭstvennykh zhivotnykh

    Ėrnst, L. K

    2001  

    Author's details L.K. Ėrnst ... [i dr.]
    Keywords Feeds ; Animal waste as feed ; Face fly
    Language Russian
    Size 62 p. ;, 20 cm.
    Publisher s.n.
    Publishing place Moskva
    Document type Book
    Note Cover title.
    Database NAL-Catalogue (AGRICOLA)

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  5. Article: Activity of protein and carbohydrate metabolism enzymes in black pied heifer blood in relation to subsequent reproductive intensity

    Lebedeva, I. Yu / Leibova, V. B / Ernst, L. K

    Russian agricultural sciences. 2012 May, v. 38, no. 3

    2012  

    Abstract: The character of metabolism in the precalving period is one of the factors determining the reproductive potential of dairy cattle. The purpose of the present investigation was a comparative analysis of the activity of a number of metabolic enzymes ... ...

    Abstract The character of metabolism in the precalving period is one of the factors determining the reproductive potential of dairy cattle. The purpose of the present investigation was a comparative analysis of the activity of a number of metabolic enzymes participating in protein and carbohydrate metabolism in Black Pied heifer blood at different stages of pregnancy in connection with further reproduction indices. Regardless of the length of the subsequent service period, the activity of aspartate aminotransferase (AST) in blood in the late stage of pregnancy was 1.7 times lower than in the middle stage. The activity of alanine aminotransferase (ALT) in blood also decreased in the late stage; however, this decrease was expressed more strongly in animals with a service period length greater than 150 days (by 1.8 times) than in animals with a service period length less than 150 days (by 1.3 times). In this case, the AST/ALT ratio decreased with progressing pregnancy in heifers with increased reproductive capacity (p < 0.05) and didn’t change in heifers with reduced reproductive capacity. In the blood of animals with a longer service period, the AST/ALT ratio was 1.3–1.7 times higher (p < 0.05) than in blood of animals with a shorter period. No significant variability was revealed in the activity of alkaline phosphatase and lactate dehydrogenase depending on progressing stages of pregnancy and on the reproductive potential of heifers.
    Keywords alanine transaminase ; alkaline phosphatase ; aspartate transaminase ; blood ; carbohydrate metabolism ; correlation ; dairy cattle ; heifers ; lactate dehydrogenase ; pregnancy ; reproductive performance
    Language English
    Dates of publication 2012-05
    Size p. 247-250.
    Publishing place Springer-Verlag
    Document type Article
    ISSN 1068-3674
    DOI 10.3103/S1068367412030123
    Database NAL-Catalogue (AGRICOLA)

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  6. Article: Activity of Protein and Carbohydrate Metabolism Enzymes in Black Pied Heifer Blood in Relation to Subsequent Reproductive Intensity

    Lebedeva, I. Yu. / Leibova, V. B. / Ernst, L. K.

    Russian agricultural sciences

    2012  Volume 38, Issue 3, Page(s) 247

    Language English
    Document type Article
    ZDB-ID 1172157-1
    ISSN 0735-2700 ; 1068-3674
    Database Current Contents Nutrition, Environment, Agriculture

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    In stock of ZB MED Bonn / Germany

    Z 2951: Show issues

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  7. Article: [Realization pathways of prolactin modulating influence on the cAMP-dependent mechanism of meiosis regulation in bovine oocytes].

    Lebedeva, I Iu / Singina, G N / Ernst, L K / Golubev, A K

    Tsitologiia

    2009  Volume 51, Issue 7, Page(s) 559–564

    Abstract: Cyclic AMP is one of the key regulators of mammalian meiosis. In the present work, realization pathways of the previously revealed modulating influence of prolactin (PRL) on the cAMP-dependent mechanisms of meiosis regulation in bovine oocytes were ... ...

    Abstract Cyclic AMP is one of the key regulators of mammalian meiosis. In the present work, realization pathways of the previously revealed modulating influence of prolactin (PRL) on the cAMP-dependent mechanisms of meiosis regulation in bovine oocytes were studied. A comparative investigation of individual and combined effects of PRL (50 ng/ml) and an activator of adenylate cyclase forskolin (FK. 20 microM) on the meiotic reinitiation and nuclear maturation completion in cumulus-enclosed and cumulus-free oocytes was performed. It has been shown that the pattern of PRL influence on the meiotic resumption in oocytes devoid of cumulus cells depends on the presence of FK in the culture medium. Furthermore, realization of this influence is not associated with the activation of cytoplasmic isoforms of protein kinase C. It has been also found that PRL inhibits the retarding action of FK on the completion of oocyte nuclear maturation in both the presence and absence of cumulus cells. The findings suggest that PRL may modulate the functioning of the cAMP-dependent mechanism of meiosis regulation by the direct action on bovine oocytes, with realization of the action being independent of the metabolic coupling of oocytes with cumulus cells.
    MeSH term(s) Adenylyl Cyclases/metabolism ; Animals ; Cattle ; Cells, Cultured ; Colforsin/metabolism ; Cumulus Cells/cytology ; Cumulus Cells/drug effects ; Cumulus Cells/enzymology ; Cyclic AMP/metabolism ; Female ; Meiosis/drug effects ; Oocytes/cytology ; Oocytes/drug effects ; Oocytes/enzymology ; Prolactin/pharmacology ; Signal Transduction
    Chemical Substances Colforsin (1F7A44V6OU) ; Prolactin (9002-62-4) ; Cyclic AMP (E0399OZS9N) ; Adenylyl Cyclases (EC 4.6.1.1)
    Language Russian
    Publishing date 2009
    Publishing country Russia (Federation)
    Document type English Abstract ; Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 280565-0
    ISSN 0041-3771
    ISSN 0041-3771
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.B 1134: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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  8. Article: Effect of differentiation inhibiting activity, leukemia inhibitory (DIA/LIF), and glial cell-line neurotrophic (GDNF) factors on boar spermatogenic cells in culture

    Savchenkova, I. P / Viktorova, E. V / Ernst, L. K

    Russian agricultural sciences. 2011 Aug., v. 37, no. 4

    2011  

    Abstract: Maintenance of the phenotype of spermatogenic stem cells in vitro depends on the microenvironment and a number of factors. Culturing boar type A1–A4 spermatogonia on the STO feeder layer and addition to the growth medium of a conditioned medium ... ...

    Abstract Maintenance of the phenotype of spermatogenic stem cells in vitro depends on the microenvironment and a number of factors. Culturing boar type A1–A4 spermatogonia on the STO feeder layer and addition to the growth medium of a conditioned medium containing DIA/LIF led over the course of 3–4 weeks to the formation of colonies which had morphology similar to embryonic stem cells and were distinguished by a high alkaline phosphatase activity.
    Keywords alkaline phosphatase ; boars ; culture media ; embryonic stem cells ; leukemia ; phenotype ; spermatogonia
    Language English
    Dates of publication 2011-08
    Size p. 333-336.
    Publishing place Springer-Verlag
    Document type Article
    ISSN 1068-3674
    DOI 10.3103/S1068367411040185
    Database NAL-Catalogue (AGRICOLA)

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  9. Article: Effect of Differentiation Inhibiting Activity, Leukemia Inhibitory (DIA/LEF), and Glial Cell-Line Neurotrophic (GDNF) Factors on Boar Spermatogenic Cells in Culture

    Savchenkova, I. P. / Viktorova, E. V. / Ernst, L. K.

    Russian agricultural sciences

    2011  Volume 37, Issue 4, Page(s) 333

    Language English
    Document type Article
    ZDB-ID 1172157-1
    ISSN 0735-2700 ; 1068-3674
    Database Current Contents Nutrition, Environment, Agriculture

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    In stock of ZB MED Bonn / Germany

    Z 2951: Show issues

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  10. Book: Intensifikat︠s︡ii︠a︡ proizvodstva moloka i mi︠a︡sa

    Ėrnst, L. K

    sbornik nauchnykh trudov

    1988  

    Title translation Intensification in the production of milk and meat.
    Author's details pod redakt︠s︡ieĭ L.K. Ėrnsta
    Keywords Dairying ; Dairy farms ; Meat.
    Language Russian
    Size 263 p. :, ill. ;, 22 cm.
    Publisher Agropromizdat
    Publishing place Moskva
    Document type Book
    Note At head of title: Vsesoi︠u︡znai︠a︡ ordena Lenina i ordena Trudovogo Krasnogo Znameni akademii︠a︡ sel'skokhozi︠a︡ĭstvennykh nauk imeni V.I. Lenina.
    ISBN 5100003065 ; 9785100003069
    Database NAL-Catalogue (AGRICOLA)

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