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  • Female
  • Mice
  • Molecular Sequence Data
  • Nature Publishing Group (NPG)  (3,658)
  • Wiley-Blackwell  (4)
  • American Meteorological Society
  • Molecular Diversity Preservation International
  • 1
    Electronic Resource
    Electronic Resource
    Transfer of nuclei from 8-cell stage mouse embryos following use of nocodazole to control the cell cycle (1994)
    New York, NY [u.a.] : Wiley-Blackwell
    Molecular Reproduction and Development 39 (1994), S. 147-152 
    Details
    ISSN: 1040-452X
    Keywords: Mitosis ; Synchronization ; Mice ; Blastomere ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: Mouse 2-, 4-, 8-, and 16-cell embryos were exposed to nocodazole in M16 culture medium. The effect of different concentrations and exposure times on the efficiency of cell cycle synchronization and the development of the treated embyros after release from the drug was determined. The minimum effective concentration (95% of arrested nuclei) for 4-, 8-, and 16-cell embryos was 5μM nocodazole. The effect upon subsequent development of mouse embryos depended upon both the stage of development of the embryo at treatment (P 〈 0.001) and the length of exposure to nocodazole (P 〈 0.001). Exposure to any concentration of nocodazole within the range 2.5-10 μM for 12 hr caused a reduction in the proportion of embryos that formed blastocysts. As the period of exposure to 5μM nocodazole increased from 12 to 24 hr, the proportion of embryos developing to the blastocyst stage decreased. The lower proportion of embyros developing to the blastocyst stage and to term (P 〈 0.01) suggests that the more advanced stages were more susceptible to damage as a result of exposure to nocodazole. The rate of development of 4-cell embryos to blastocysts was not affected when an exposure time of 9 hr was used. Together these results show that it is possible to use nocodazole to arrest mouse embryonic cells in mitosis but that it is not appropriate to culture the embryos in the presence of this drug for prolonged periods. Individual blastomeres completed mitosis at 60-90 min and started DNA synthesis at 120-150 min after release from nocodazole. Nuclei from blastomeres thus synchronized were used to conduct studies on the effect of the cell cycle on nuclear transfer. A signficant effect was found. When nuclei from 8-cell embryos in G1 or S-phase were used as nuclei donors, development to blastocyst was respectively 27% and none. ©Wiley-Liss, Inc.
    Additional Material: 6 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrd.1080390205
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  • 2
    Electronic Resource
    Electronic Resource
    Transgenic offspring by transcaryotic implantation of transgenic ovaries into normal mice (1990)
    New York, NY [u.a.] : Wiley-Blackwell
    Molecular Reproduction and Development 25 (1990), S. 42-44 
    Details
    ISSN: 1040-452X
    Keywords: Ovary transfer ; Mice ; Transgenic offspring ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: Female transgenic mice may be unable to reproduce successfully if the product encoded by the transgene results in pathological changes or affects the fertility of the mouse. To approach this problem, we have produced chimaeras by transferring the ovaries of transgenic mice into normal mice of the same strain. Such chimaeras will be an ideal tool for investigating the interactions between transgenic ovaries and normal mice or vice versa. Here we show that, using this method, we were able to get large numbers of transgenic offspring even from founder transgenic female mice that were themselves infertile as a result of the overexpression of growth hormone genes. Although none of the ovary recipients were given immunosuppressant treatment, 60% of the recipients had biologically active ovaries over a mean period of about 100 days.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrd.1080250108
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  • 3
    Electronic Resource
    Electronic Resource
    Site-specific drug delivery to the lung (1992)
    New York, NY : Wiley-Blackwell
    Polymers for Advanced Technologies 3 (1992), S. 323-329 
    Details
    ISSN: 1042-7147
    Keywords: Polyanhydrides ; Pulmonary neoplasms ; Mice ; Chemotherapy ; Cisplatin ; BCNU ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Investigations were undertaken to determine whether anti-cancer drugs introduced locally into the lung using bioerodible polyanhydride microspheres as carriers would demonstrate both efficacy and reduced toxicity.BCNU (carmustine) and CDDP (cisplatin), loaded in polyanhydride microspheres, were administered to mice bearing either of two tumors selected for their affinity for the lung: the B16F10 melanoma and the recently established GL26F4 glioma. Following intravenous inoculation of these tumor cells, the number of metastatic foci formed in the lung follows a predictable time course and can readily be determined. Comparisons were made between the efficacy of microspheres introduced into the lung by intratracheal intubation (IT) and of those administered by intraperitoneal injection (IP). Administration of microspheres loaded either with BCNU or cisplatin reduced the detectable metastatic foci by 25-90% depending on the tumor load, both when administered IP and IT.Toxicity was assessed by flow cytometric analysis of bone marrow cellularity as well as by determination of mortality rates. Intratracheal administration of either cisplatin or BCNU reduced the deleterious systemic effects observed when the drug was administered by IP injection. This was seen at high drug levels, where significant mortality occurred only in animals given drug injections IP; and at lower levels where IP injection led to a reduction of bone marrow blast cells, while IT administration caused no detectable effect on marrow cellularity.Since local delivery of BCNU or cisplatin through bioerodible polyanhydride microspheres induces significantly less systemic damage while demonstrating efficacy equal to or exceeding that of IP injection, this mode of drug delivery warrants further and more detailed exploration. Moreover, the method may be applicable to the treatment of other chronic pulmonary pathologies.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pat.1992.220030607
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  • 4
    Electronic Resource
    Electronic Resource
    In situ hybridization studies on murine catalase mRNA expression during embryonic development (1990)
    Chichester [u.a.] : Wiley-Blackwell
    Developmental Genetics 11 (1990), S. 318-325 
    Details
    ISSN: 0192-253X
    Keywords: Mice ; housekeeping genes ; liver ; tissue specificity ; Life and Medical Sciences ; Genetics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: In situ hybridization using nucleic acid probes was used to detect cell- and tissue-specific transcript(s) of embryonic genes during development and differentiation. This highly sensitive technique has the potential to provide valuable information on the regulation of low-abundance housekeeping genes during development. We have determined the experimental conditions required to detect the catalase message in adult mouse liver. Catalase effects the breakdown of H2O2 to O2 and H2O and offers protection against the toxic effects of oxygen radicals. We used a cloned 550 bp BamHI-Pstl fragment from a mouse catalase cDNA (pMCT-1) to generate 35S-labeled sense and antisense riboprobes. The experimental conditions used were sensitive enough to quantitate the abundance of silver grains generated by the antisense riboprobe on the adult liver, a tissue known to be positive for this message. The hybridization protocol was applied to serial sections of 13- and 18-day-old mouse embryos. The results suggest that the catalase expression in the liver and brain begins with somite formation and increases with development and differentiation. On the other hand, this message appears to be absent in mesenchyme, particularly in day 13 embryos. The message in positive tissues appears evenly distributed throughout the cell. The observed expression of the catalase message in the adult liver is approximately six times that in the embryonic liver. It is compatible with the enzyme activity results and emphasizes the sensitivity of the in situ hybridization method (over northern blot, etc.) used in this study.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/dvg.1020110411
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  • 5
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    Sex bias blights drug studies (2010)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2010-03-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Check Hayden, Erika -- England -- Nature. 2010 Mar 18;464(7287):332-3. doi: 10.1038/464332b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20237530" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bias (Epidemiology) ; Biomedical Research/*methods ; Clinical Trials as Topic/methods ; Drug Evaluation/*methods ; Female ; Humans ; Male ; Patient Selection ; Prejudice ; *Sex Characteristics ; Sex Distribution
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 6
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    The primate connection (2010)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2010-07-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Trivedi, Bijal -- England -- Nature. 2010 Jul 15;466(7304):S5. doi: 10.1038/nature09236.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20631704" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/immunology ; Animals ; Chronic Disease ; Disease Models, Animal ; Disease Progression ; Female ; Genome, Viral/genetics ; HIV Infections/*immunology/physiopathology/virology ; HIV-1/genetics/growth & development/immunology ; Host-Pathogen Interactions/immunology ; Immunity, Innate/immunology ; Inflammation/immunology/pathology ; Interleukin-17/immunology ; Macaca/immunology/virology ; Male ; Physiology, Comparative/methods ; Primates/*immunology/metabolism/*virology ; Receptors, HIV/metabolism ; Simian Acquired Immunodeficiency Syndrome/*immunology/metabolism/virology ; Simian Immunodeficiency Virus/classification/genetics/pathogenicity/*physiology ; T-Lymphocytes, Helper-Inducer/immunology/pathology ; Viral Load
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 7
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    Males still dominate animal studies (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-06-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zucker, Irving -- Beery, Annaliese K -- England -- Nature. 2010 Jun 10;465(7299):690. doi: 10.1038/465690a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departmentsof Psychology, Helen Wills Neuroscience Institute, University of California, Berkeley, California 94720, USA. irvzuck@berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20535186" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bias (Epidemiology) ; Biomedical Research/ethics/*methods/trends ; *Disease Models, Animal ; Female ; Humans ; Male ; Prevalence ; *Sex Characteristics ; Sex Distribution ; Sex Factors
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 8
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    IkappaBzeta regulates T(H)17 development by cooperating with ROR nuclear receptors (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-04-13
    Description: Interleukin (IL)-17-producing helper T (T(H)17) cells are a distinct T-cell subset characterized by its pathological role in autoimmune diseases. IL-6 and transforming growth factor-beta (TGF-beta) induce T(H)17 development, in which the orphan nuclear receptors, RORgammat and RORalpha, have an indispensable role. However, in the absence of IL-6 and TGF-beta, the ectopic expression of RORgammat or RORalpha leads to only a modest IL-17 production. Here we identify a nuclear IkappaB family member, IkappaBzeta (encoded by the Nfkbiz gene), as a transcription factor required for T(H)17 development in mice. The ectopic expression of IkappaBzeta in naive CD4(+) T cells together with RORgammat or RORalpha potently induces T(H)17 development, even in the absence of IL-6 and TGF-beta. Notably, Nfkbiz(-/-) mice have a defect in T(H)17 development and a resistance to experimental autoimmune encephalomyelitis (EAE). The T-cell-intrinsic function of IkappaBzeta was clearly demonstrated by the resistance to EAE of the Rag2(-/-) mice into which Nfkbiz(-/-) CD4(+) T cells were transferred. In cooperation with RORgammat and RORalpha, IkappaBzeta enhances Il17a expression by binding directly to the regulatory region of the Il17a gene. This study provides evidence for the transcriptional mechanisms underlying T(H)17 development and points to a molecular basis for a novel therapeutic strategy against autoimmune disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Okamoto, Kazuo -- Iwai, Yoshiko -- Oh-Hora, Masatsugu -- Yamamoto, Masahiro -- Morio, Tomohiro -- Aoki, Kazuhiro -- Ohya, Keiichi -- Jetten, Anton M -- Akira, Shizuo -- Muta, Tatsushi -- Takayanagi, Hiroshi -- Z01-ES-101586/ES/NIEHS NIH HHS/ -- Intramural NIH HHS/ -- England -- Nature. 2010 Apr 29;464(7293):1381-5. doi: 10.1038/nature08922. Epub 2010 Apr 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Signaling, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20383124" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; Animals ; Coculture Techniques ; Dendritic Cells/cytology/immunology ; Encephalomyelitis, Autoimmune, Experimental/metabolism ; *Gene Expression Regulation ; Interleukin-17/biosynthesis/genetics/*metabolism ; Mice ; NF-kappa B p50 Subunit/metabolism ; Nuclear Proteins/deficiency/genetics/*metabolism ; Nuclear Receptor Subfamily 1, Group F, Member 1/genetics/*metabolism ; Nuclear Receptor Subfamily 1, Group F, Member 3/genetics/*metabolism ; Promoter Regions, Genetic/genetics ; T-Lymphocytes, Helper-Inducer/*cytology/*metabolism ; Transcription, Genetic
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
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    Foot strike patterns and collision forces in habitually barefoot versus shod runners (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-01-30
    Description: Humans have engaged in endurance running for millions of years, but the modern running shoe was not invented until the 1970s. For most of human evolutionary history, runners were either barefoot or wore minimal footwear such as sandals or moccasins with smaller heels and little cushioning relative to modern running shoes. We wondered how runners coped with the impact caused by the foot colliding with the ground before the invention of the modern shoe. Here we show that habitually barefoot endurance runners often land on the fore-foot (fore-foot strike) before bringing down the heel, but they sometimes land with a flat foot (mid-foot strike) or, less often, on the heel (rear-foot strike). In contrast, habitually shod runners mostly rear-foot strike, facilitated by the elevated and cushioned heel of the modern running shoe. Kinematic and kinetic analyses show that even on hard surfaces, barefoot runners who fore-foot strike generate smaller collision forces than shod rear-foot strikers. This difference results primarily from a more plantarflexed foot at landing and more ankle compliance during impact, decreasing the effective mass of the body that collides with the ground. Fore-foot- and mid-foot-strike gaits were probably more common when humans ran barefoot or in minimal shoes, and may protect the feet and lower limbs from some of the impact-related injuries now experienced by a high percentage of runners.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lieberman, Daniel E -- Venkadesan, Madhusudhan -- Werbel, William A -- Daoud, Adam I -- D'Andrea, Susan -- Davis, Irene S -- Mang'eni, Robert Ojiambo -- Pitsiladis, Yannis -- England -- Nature. 2010 Jan 28;463(7280):531-5. doi: 10.1038/nature08723.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Evolutionary Biology, 11 Divinity Avenue, Harvard University, Cambridge, Massachusetts 02138, USA. danlieb@fas.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20111000" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Biomechanical Phenomena ; Child ; Female ; Foot/*physiology ; Forefoot, Human/physiology ; Gait/physiology ; Humans ; Kenya ; Male ; Running/*physiology ; *Shoes/standards ; *Stress, Mechanical ; United States ; Weight-Bearing/physiology ; Young Adult
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 10
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    Amygdalar and hippocampal substrates of anxious temperament differ in their heritability (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-08-13
    Description: Anxious temperament (AT) in human and non-human primates is a trait-like phenotype evident early in life that is characterized by increased behavioural and physiological reactivity to mildly threatening stimuli. Studies in children demonstrate that AT is an important risk factor for the later development of anxiety disorders, depression and comorbid substance abuse. Despite its importance as an early predictor of psychopathology, little is known about the factors that predispose vulnerable children to develop AT and the brain systems that underlie its expression. To characterize the neural circuitry associated with AT and the extent to which the function of this circuit is heritable, we studied a large sample of rhesus monkeys phenotyped for AT. Using 238 young monkeys from a multigenerational single-family pedigree, we simultaneously assessed brain metabolic activity and AT while monkeys were exposed to the relevant ethological condition that elicits the phenotype. High-resolution (18)F-labelled deoxyglucose positron-emission tomography (FDG-PET) was selected as the imaging modality because it provides semi-quantitative indices of absolute glucose metabolic rate, allows for simultaneous measurement of behaviour and brain activity, and has a time course suited for assessing temperament-associated sustained brain responses. Here we demonstrate that the central nucleus region of the amygdala and the anterior hippocampus are key components of the neural circuit predictive of AT. We also show significant heritability of the AT phenotype by using quantitative genetic analysis. Additionally, using voxelwise analyses, we reveal significant heritability of metabolic activity in AT-associated hippocampal regions. However, activity in the amygdala region predictive of AT is not significantly heritable. Furthermore, the heritabilities of the hippocampal and amygdala regions significantly differ from each other. Even though these structures are closely linked, the results suggest differential influences of genes and environment on how these brain regions mediate AT and the ongoing risk of developing anxiety and depression.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2998538/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2998538/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Oler, Jonathan A -- Fox, Andrew S -- Shelton, Steven E -- Rogers, Jeffrey -- Dyer, Thomas D -- Davidson, Richard J -- Shelledy, Wendy -- Oakes, Terrence R -- Blangero, John -- Kalin, Ned H -- MH018931/MH/NIMH NIH HHS/ -- MH046729/MH/NIMH NIH HHS/ -- MH059490/MH/NIMH NIH HHS/ -- MH081884/MH/NIMH NIH HHS/ -- MH084051/MH/NIMH NIH HHS/ -- P50 MH084051/MH/NIMH NIH HHS/ -- P50 MH084051-030001/MH/NIMH NIH HHS/ -- R01 MH046729/MH/NIMH NIH HHS/ -- R01 MH046729-17/MH/NIMH NIH HHS/ -- R01 MH081884/MH/NIMH NIH HHS/ -- R01 MH081884-04/MH/NIMH NIH HHS/ -- R37 MH059490/MH/NIMH NIH HHS/ -- R37 MH059490-13/MH/NIMH NIH HHS/ -- England -- Nature. 2010 Aug 12;466(7308):864-8. doi: 10.1038/nature09282.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychiatry, University of Wisconsin-Madison, Madison, Wisconsin 53719, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20703306" target="_blank"〉PubMed〈/a〉
    Keywords: Amygdala/*metabolism ; Animals ; Anxiety/*genetics/*physiopathology ; Depression/genetics ; Female ; Freezing Reaction, Cataleptic ; Genetic Predisposition to Disease/*genetics ; Glucose/metabolism ; *Heredity ; Hippocampus/*metabolism ; Macaca mulatta/genetics/physiology ; Male ; Models, Animal ; Neural Pathways/physiology ; Pedigree ; Phenotype ; Positron-Emission Tomography ; Stress, Psychological ; Temperament/*physiology ; Temporal Lobe/metabolism ; Vocalization, Animal
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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