Invited Review: Identifying new mouse models of cardiovascular disease: a review of high-throughput screens of mutagenized and inbred strains

2003 ◽  
Vol 94 (4) ◽  
pp. 1650-1659 ◽  
Author(s):  
Karen L. Svenson ◽  
Molly A. Bogue ◽  
Luanne L. Peters
Keyword(s):  
Cardiovascular Disease ◽  
Mouse Models ◽  
High Throughput ◽  
Human Disease ◽  
Early Stage ◽  
Inbred Mouse ◽  
Inbred Strains ◽  
Mouse Strains ◽  
Complex Disorders ◽  
Lung Dysfunction

The mouse is a proven model for studying human disease. Many strains exist that exhibit either natural or engineered genetic variation and thereby enable the elucidation of pathways involved in the development of cardiovascular disease. Although those mouse models have been fundamental to advancing our knowledge base, we are still at an early stage in understanding how genes contribute to complex disorders. There remains a need for new animal models that closely represent human disease. To expedite their development, we have established the Center for New Mouse Models of Heart, Lung, Blood, and Sleep Disorders at The Jackson Laboratory. We are using a phenotype-driven approach to identify mutations leading to atherosclerosis, hypertension, obesity, blood disorders, lung dysfunction, thrombosis, and disordered sleep. Our high-throughput, comprehensive phenotyping draws from two sources for new models: 1) the natural variation among over 40 inbred mouse strains and 2) chemically induced, whole-genome mutagenized mice. Here, we review our cardiovascular screens and present some hypertensive, obese, and cardiovascular models identified with this approach.

scholarly journals Large-scale, high-throughput screening for coagulation and hematologic phenotypes in mice*

2002 ◽  
Vol 11 (3) ◽  
pp. 185-193 ◽  
Author(s):  
Luanne L. Peters ◽  
Eleanor M. Cheever ◽  
Heather R. Ellis ◽  
Phyllis A. Magnani ◽  
Karen L. Svenson ◽  
...  
Keyword(s):  
High Throughput ◽  
High Throughput Screening ◽  
Large Scale ◽  
Inbred Mouse ◽  
Inbred Strains ◽  
Sample Volume ◽  
Small Sample ◽  
Mouse Strains ◽  
Phenotypic Data ◽  
Multiple Tests

The Mouse Phenome Project is an international effort to systematically gather phenotypic data for a defined set of inbred mouse strains. For such large-scale projects the development of high-throughput screening protocols that allow multiple tests to be performed on a single mouse is essential. Here we report hematologic and coagulation data for more than 30 inbred strains. Complete blood counts were performed using an Advia 120 analyzer. For coagulation testing, we successfully adapted the Dade Behring BCS automated coagulation analyzer for use in mice by lowering sample and reagent volume requirements. Seven automated assay procedures were developed. Small sample volume requirements make it possible to perform multiple tests on a single animal without euthanasia, while reductions in reagent volume requirements reduce costs. The data show that considerable variation in many basic hematological and coagulation parameters exists among the inbred strains. These data, freely available on the World Wide Web, allow investigators to knowledgeably select the most appropriate strain(s) to meet their individual study designs and goals.

scholarly journals Translating Mouse Models

2016 ◽  
Vol 45 (1) ◽  
pp. 134-145 ◽  
Author(s):  
Rani S. Sellers
Keyword(s):  
Immune Response ◽  
Mouse Models ◽  
Inbred Mouse ◽  
Laboratory Mouse ◽  
Inbred Strains ◽  
Mouse Strains ◽  
Genetic Mutations ◽  
Response Patterns ◽  
Human Immune System ◽  
Models Of Disease

Mice and humans branched from a common ancestor approximately 80 million years ago. Despite this, mice are routinely utilized as animal models of human disease and in drug development because they are inexpensive, easy to handle, and relatively straightforward to genetically manipulate. While this has led to breakthroughs in the understanding of genotype–phenotype relationships and in the identification of therapeutic targets, translation of beneficial responses to therapeutics from mice to humans has not always been successful. In a large part, these differences may be attributed to variations in the alignment of protein expression and signaling in the immune systems between mice and humans. Well-established inbred strains of “The Laboratory Mouse” vary in their immune response patterns as a result of genetic mutations and polymorphisms arising from intentional selection for research relevant traits, and even closely related substrains vary in their immune response patterns as a result of genetic mutations and polymorphisms arising from genetic drift. This article reviews some of the differences between the mouse and human immune system and between inbred mouse strains and shares examples of how these differences can impact the usefulness of mouse models of disease.

scholarly journals Genetic Control of Mammalian Meiotic Recombination. I. Variation in Exchange Frequencies Among Males From Inbred Mouse Strains

Genetics ◽  
2002 ◽  
Vol 162 (1) ◽  
pp. 297-306 ◽  
Author(s):  
Kara E Koehler ◽  
Jonathan P Cherry ◽  
Audrey Lynn ◽  
Patricia A Hunt ◽  
Terry J Hassold
Keyword(s):  
Meiotic Recombination ◽  
Inbred Mouse ◽  
Inbred Strains ◽  
Male Meiosis ◽  
Mouse Strains ◽  
Recombination Rates ◽  
The Mean ◽  
Genetic Background Effects ◽  
Exchange Patterns ◽  
Positive Interference

AbstractGenetic background effects on the frequency of meiotic recombination have long been suspected in mice but never demonstrated in a systematic manner, especially in inbred strains. We used a recently described immunostaining technique to assess meiotic exchange patterns in male mice. We found that among four different inbred strains—CAST/Ei, A/J, C57BL/6, and SPRET/Ei—the mean number of meiotic exchanges per cell and, thus, the recombination rates in these genetic backgrounds were significantly different. These frequencies ranged from a low of 21.5 exchanges in CAST/Ei to a high of 24.9 in SPRET/Ei. We also found that, as expected, these crossover events were nonrandomly distributed and displayed positive interference. However, we found no evidence for significant differences in the patterns of crossover positioning between strains with different exchange frequencies. From our observations of >10,000 autosomal synaptonemal complexes, we conclude that achiasmate bivalents arise in the male mouse at a frequency of 0.1%. Thus, special mechanisms that segregate achiasmate chromosomes are unlikely to be an important component of mammalian male meiosis.

scholarly journals EVIDENCE THAT TWO LOCI PREDOMINANTLY DETERMINE THE DIFFERENCE IN SUSCEPTIBILITY TO THE HIGH PRESSURE NEUROLOGIC SYNDROME TYPE I SEIZURE IN MICE

Genetics ◽  
1981 ◽  
Vol 99 (2) ◽  
pp. 285-307
Author(s):  
R D McCall ◽  
D Frierson
Keyword(s):  
High Pressure ◽  
Inbred Mouse ◽  
Inbred Strains ◽  
Chromosome 17 ◽  
Seizure Threshold ◽  
Mouse Strains ◽  
Compression Rate ◽  
Type I ◽  
Major Locus ◽  
The Difference

ABSTRACT Most mammals tested, when exposed to increasing pressure in helium/oxygen atmospheres, exhibit progressive motor disturbances culminating in two, usually successive, well-differentiated convulsive seizures. The seizures are highly reproducible components of the constellation of events that collectively constitute the High Pressure Neurologic Syndrome (HPNS). In the present study, we present evidence that the mean difference in seizure threshold pressures of the first seizure to occur (HPNS Type I) between inbred mouse strains DBA/2J and C57BL/6J is predominantly determined (> 60%) by the expression of a major locus—possibly linked to the H-2 locus on chromosome 17—and a minor locus, probably unlinked. This outcome is derived from applications of the maximum likelihood modeling procedure of Elston and Stewart (1973) and Stewart and Elston (1973) to eleven models of genetic determinacy and tests (including breeding tests) of "preferred" models so derived using BXD recombinant inbred strains that show the following: The major locus exhibits conditional dominance characteristics depending upon compression rate and minor locus genotype. At a constant mean compression rate of 100 atm hr-1, the major locus manifests strong, though incomplete, dominance apparently independent of minor locus genotype. Its expression is, however, highly sensitive to compression rate, losing its dominance altogether at a linear rate of 1,000 atm hr-1. The major locus interacts with the weakly dominant and relatively compression-rate-insensitive minor locus to retain dominance at fast compression only when the dominant alleles of both loci are present. A principal finding of this study is that employing two compression rates permits fuller genetic characterization of murine high-pressure seizure susceptibility differences than could be achieved by use of a single compression rate.

scholarly journals Influence of genetic background on ex vivo and in vivo cardiac function in several commonly used inbred mouse strains

2010 ◽  
Vol 42A (2) ◽  
pp. 103-113 ◽  
Author(s):  
Matthew S. Barnabei ◽  
Nathan J. Palpant ◽  
Joseph M. Metzger
Keyword(s):  
Cardiac Function ◽  
Genetic Divergence ◽  
Ex Vivo ◽  
Inbred Mouse ◽  
Critical Role ◽  
Inbred Strains ◽  
Mouse Strains ◽  
Inbred Mouse Strains ◽  
Cardiac Decompensation

Inbred mouse strains play a critical role in biomedical research. Genetic homogeneity within inbred strains and their general amenability to genetic manipulation have made them an ideal resource for dissecting the physiological function(s) of individual genes. However, the inbreeding that makes inbred mice so useful also results in genetic divergence between them. This genetic divergence is often unaccounted for but may be a confounding factor when comparing studies that have utilized distinct inbred strains. Here, we compared the cardiac function of C57BL/6J mice to seven other commonly used inbred mouse strains: FVB/NJ, DBA/2J, C3H/HeJ, BALB/cJ, 129X1/SvJ, C57BL/10SnJ, and 129S1/SvImJ. The assays used to compare cardiac function were the ex vivo isolated Langendorff heart preparation and in vivo real-time hemodynamic analysis using conductance micromanometry. We report significant strain-dependent differences in cardiac function between C57BL/6J and other commonly used inbred strains. C57BL/6J maintained better cardiac function than most inbred strains after ex vivo ischemia, particularly compared with 129S1/SvImJ, 129X1/SvJ, and C57BL/10SnJ strains. However, during in vivo acute hypoxia 129X1/SvJ and 129S1/SvImJ maintained relatively normal cardiac function, whereas C57BL/6J animals showed dramatic cardiac decompensation. Additionally, C3H/HeJ showed rapid and marked cardiac decompensation in response to esmolol infusion compared with effects of other strains. These findings demonstrate the complex effects of genetic divergence between inbred strains on cardiac function. These results may help inform analysis of gene ablation or transgenic studies and further demonstrate specific quantitative traits that could be useful in discovery of genetic modifiers relevant to cardiac health and disease.

scholarly journals Mouse Susceptibility to Anthrax Lethal Toxin Is Influenced by Genetic Factors in Addition to Those Controlling Macrophage Sensitivity

2004 ◽  
Vol 72 (8) ◽  
pp. 4439-4447 ◽  
Author(s):  
Mahtab Moayeri ◽  
Nathaniel W. Martinez ◽  
Jason Wiggins ◽  
Howard A. Young ◽  
Stephen H. Leppla
Keyword(s):  
Genetic Factors ◽  
Inbred Mouse ◽  
Inbred Strains ◽  
Lethal Toxin ◽  
Cytokine Response ◽  
Mouse Strains ◽  
Anthrax Lethal Toxin ◽  
Toll Like Receptor 4 ◽  
Oxide Synthase

ABSTRACT Bacillus anthracis lethal toxin (LT) produces symptoms of anthrax in mice and induces rapid lysis of macrophages (Mφ) derived from certain inbred strains. We used nine inbred strains and two inducible nitric oxide synthase (iNOS) knockout C57BL/6J strains polymorphic for the LT Mφ sensitivity Kif1C locus to analyze the role of Mφ sensitivity (to lysis) in LT-mediated cytokine responses and lethality. LT-mediated induction of cytokines KC, MCP-1/JE, MIP-2, eotaxin, and interleukin-1β occurred only in mice having LT-sensitive Mφ. However, while iNOS knockout C57BL/6J mice having LT-sensitive Mφ were much more susceptible to LT than the knockout mice with LT-resistant Mφ, a comparison of susceptibilities to LT in the larger set of inbred mouse strains showed a lack of correlation between Mφ sensitivity and animal susceptibility to toxin. For example, C3H/HeJ mice, harboring LT-sensitive Mφ and having the associated LT-mediated cytokine response, were more resistant than mice with LT-resistant Mφ and no cytokine burst. Toll-like receptor 4 (Tlr4)-deficient, lipopolysaccharide-nonresponsive mice were not more resistant to LT. We also found that CAST/Ei mice are uniquely sensitive to LT and may provide an economical bioassay for toxin-directed therapeutics. The data indicate that while the cytokine response to LT in mice requires Mφ lysis and while Mφ sensitivity in the C57BL/6J background is sufficient for BALB/cJ-like mortality of that strain, the contribution of Mφ sensitivity and cytokine response to animal susceptibility to LT differs among other inbred strains. Thus, LT-mediated lethality in mice is influenced by genetic factors in addition to those controlling Mφ lysis and cytokine response and is independent of Tlr4 function.

scholarly journals Hydronephrosis in inbred strains of mice with particular reference to the BRVR strain

1973 ◽  
Vol 7 (3) ◽  
pp. 229-236 ◽  
Author(s):  
D. M. Taylor ◽  
H. Fraser
Keyword(s):  
Inbred Mouse ◽  
Inbred Strains ◽  
The Other ◽  
Mouse Strains ◽  
Inbred Mouse Strains ◽  
Concomitant Infection ◽  
Inbred Strains Of Mice ◽  
Dietary Variation

Hydronephrosis occurred in 6 of the 13 inbred mouse strains maintained in the same colony. Its incidence was high only in the BRVR strain, where about half of the cases could only be detected microscopically. There was no concomitant infection even in severely abnormal BRVR kidneys and the incidence of the condition was not influenced by dietary variation. The hydronephrosis found, less frequently, in 5 of the other strains was of a different type from that in BRVR mice.

scholarly journals KIDNEY ESTERASES OF THE MOUSE (MUS MUSCULUS): ELECTROPHORETIC ANALYSIS OF INBRED LINES C57BL/6J, RF/J AND SJL/J

1966 ◽  
Vol 14 (1) ◽  
pp. 25-32 ◽  
Author(s):  
FRANK H. RUDDLE
Keyword(s):  
Active Sites ◽  
Inbred Mouse ◽  
Kidney Tissue ◽  
Inbred Strains ◽  
Electrophoretic Analysis ◽  
Water Soluble ◽  
Mouse Strains ◽  
Starch Gel Electrophoresis ◽  
Electrophoretic Mobilities ◽  
Starch Gel

The water soluble esterases extracted from the kidney tissue of three inbred mouse strains (C57BL/6J, RF/J and SJL/J) are described. The analysis of the esterases was performed by means of starch gel electrophoresis. Between 25 and 30 esterase active sites (bands) were identified. A description and a classification are given for these esterases. Classification is based on relative electrophoretic mobilities and pharmacological properties of the esterases. Esterase polymorphisms are described between the three inbred strains studied. Esterase sexumal dimorphisms are also reported for these strains. Finally, information is given regarding the contribution ( i.e., contamination) of serum esterases to the kidney esterase patterns.

High-throughput phenotypic assessment of cardiac physiology in four commonly used inbred mouse strains

2014 ◽  
Vol 184 (6) ◽  
pp. 763-775 ◽  
Author(s):  
Kristin Moreth ◽  
Ralf Fischer ◽  
Helmut Fuchs ◽  
Valérie Gailus-Durner ◽  
Wolfgang Wurst ◽  
...  
Keyword(s):  
High Throughput ◽  
Inbred Mouse ◽  
Mouse Strains ◽  
Inbred Mouse Strains ◽  
Cardiac Physiology

Allergen-induced airway disease is mouse strain dependent

2003 ◽  
Vol 285 (1) ◽  
pp. L32-L42 ◽  
Author(s):  
Gregory S. Whitehead ◽  
Julia K. L. Walker ◽  
Katherine G. Berman ◽  
W. Michael Foster ◽  
David A. Schwartz
Keyword(s):  
Inbred Mouse ◽  
Inbred Strains ◽  
Airway Disease ◽  
Lavage Fluid ◽  
Lung Lavage ◽  
Airway Hyperreactivity ◽  
Mouse Strains ◽  
Airway Eosinophilia ◽  
Biological Responses ◽  
Inbred Strains Of Mice

We investigated the development of airway hyperreactivity (AHR) and inflammation in the lungs of nine genetically diverse inbred strains of mice [129/SvIm, A/J, BALB/cJ, BTBR+(T)/tf/tf, CAST/Ei, C3H/HeJ, C57BL/6J, DBA/2J, and FVB/NJ] after sensitization and challenge with ovalbumin (OVA). At 24, 48, and 72 h post-OVA exposure, the severity of AHR and eosinophilic inflammation of the mouse strains ranged from relatively unresponsive to responsive. The severity of the airway eosinophilia of some strains did not clearly correlate with the development of AHR. The temporal presence of T helper type 2 cytokines in lung lavage fluid also varied markedly among the strains. The levels of IL-4 and IL-13 were generally increased in the strains with the highest airway eosinophilia at 24 and 72 h postexposure, respectively; the levels of IL-5 were significantly increased in most of the strains with airway inflammation over the 72-h time period. The differences of physiological and biological responses among the inbred mouse strains after OVA sensitization and challenge support the hypothesis that genetic factors contribute, in part, to the development of allergen-induced airway disease.

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