Mice, Inbred Strains

Publication Title: 
Cancer Research

C57BL/6J mice carrying the Min allele of Adenomatous polyposis coli (Apc) develop numerous adenomas along the entire length of the intestine and consequently die at an early age. This short lifespan would prevent the accumulation of somatic genetic mutations or epigenetic alterations necessary for tumor progression. To overcome this limitation, we generated F(1) Apc(Min/+) hybrids by crossing C57BR/cdcJ and SWR/J females to C57BL/6J Apc(Min/+) males. These hybrids developed few intestinal tumors and often lived longer than 1 year.

Author(s): 
Halberg, Richard B.
Waggoner, Jesse
Rasmussen, Kristen
White, Alanna
Clipson, Linda
Prunuske, Amy J.
Bacher, Jeffery W.
Sullivan, Ruth
Washington, Mary Kay
Pitot, Henry C.
Petrini, John H. J.
Albertson, Donna G.
Dove, William F.
Publication Title: 
Experimental Gerontology

Dietary restriction (DR) has been used for decades to retard aging in rodents, but its mechanism of action remains an enigma. A principal roadblock has been that DR affects many different processes, making it difficult to distinguish cause and effect. To address this problem, we applied a quantitative genetics approach utilizing the ILSXISS series of mouse recombinant inbred strains. Across 42 strains, mean female lifespan ranged from 380 to 1070days on DR (fed 60% of ad libitum [AL]) and from 490 to 1020days on an AL diet.

Author(s): 
Rikke, Brad A.
Liao, Chen-Yu
McQueen, Matthew B.
Nelson, James F.
Johnson, Thomas E.
Publication Title: 
Journal of Dental Research

Discoveries of immunomodulatory functions in mesenchymal stem cells (MSCs) have suggested that they might have therapeutic utility in treating immune diseases. Recently, a novel MSC population was identified from dental pulp of human supernumerary teeth, and its multipotency characterized. Herein, we first examined the in vitro and in vivo immunomodulatory functions of human supernumerary tooth-derived stem cells (SNTSCs).

Author(s): 
Makino, Y.
Yamaza, H.
Akiyama, K.
Ma, L.
Hoshino, Y.
Nonaka, K.
Terada, Y.
Kukita, T.
Shi, S.
Yamaza, T.
Publication Title: 
Terapevticheski? Arkhiv
Author(s): 
Mazharov, M. K.
Publication Title: 
Proceedings of the National Academy of Sciences of the United States of America

Aging is the progressive accumulation of changes with time that are associated with or responsible for the ever-increasing susceptibility to disease and death which accompanies advancing age. These time-related changes are attributed to the aging process. The nature of the aging process has been the subject of considerable speculation. Accumulating evidence now indicates that the sum of the deleterious free radical reactions going on continuously throughout the cells and tissues constitutes the aging process or is a major contributor to it.

Author(s): 
Harman, D.
Publication Title: 
Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.)
Author(s): 
Johnson, B. C.
Good, R. A.
Publication Title: 
Brain Research

Amyotrophic lateral sclerosis (ALS) is a fatal disease in which spinal cord motor neurons degenerate resulting in progressive paralysis. Some cases of ALS are caused by mutations in the antioxidant enzyme Cu/Zn-superoxide dismutase (SOD). Transgenic mice expressing ALS-linked Cu/Zn-SOD mutations (SODMutM) exhibit a phenotype analogous to that of human ALS patients. Dietary restriction (DR) is a well-established means of extending lifespan in rodents. It may act by reducing levels of cellular oxidative stress.

Author(s): 
Pedersen, W. A.
Mattson, M. P.
Publication Title: 
Experimental Gerontology

Although best known for his studies on the anti-aging effects of dietary restriction, Dr Roy Walford began his career by studying the anti-aging effects of lowering body temperature. As a tribute to his long and productive career, we review these pioneering studies and the singular influence these have had on our own thinking about the potential for lower body temperature to extend the life span of homeotherms. We show our results from a study of six classical inbred strains of mice that depict marked strain variation in the body temperature response to dietary restriction.

Author(s): 
Rikke, Brad A.
Johnson, Thomas E.
Publication Title: 
Hormone and Metabolic Research = Hormon- Und Stoffwechselforschung = Hormones Et MÈtabolisme

We examined the effects of diets based on a low isoflavone or a high isoflavone soy protein isolates in normal, growth-hormone receptor knockout and Ames dwarf, and Prop 1 (df) mice that are hypoinsulinemic, insulin-sensitive, and exceptionally long-lived, as well as in growth hormone transgenic mice that are hyperinsulinemic, insulin-resistant, dyslipidemic, and short-lived. Soybean diets tended to normalize plasma cholesterol levels in dwarf and transgenic mice, while low isoflavone diet reduced plasma triglycerides in most of the examined genotypes.

Author(s): 
Bartke, A.
Peluso, M. R.
Moretz, N.
Wright, C.
Bonkowski, M.
Winters, T. A.
Shanahan, M. F.
Kopchick, J. J.
Banz, W. J.
Publication Title: 
Cell

Diminished mitochondrial oxidative phosphorylation and aerobic capacity are associated with reduced longevity. We tested whether resveratrol (RSV), which is known to extend lifespan, impacts mitochondrial function and metabolic homeostasis. Treatment of mice with RSV significantly increased their aerobic capacity, as evidenced by their increased running time and consumption of oxygen in muscle fibers.

Author(s): 
Lagouge, Marie
Argmann, Carmen
Gerhart-Hines, Zachary
Meziane, Hamid
Lerin, Carles
Daussin, Frederic
Messadeq, Nadia
Milne, Jill
Lambert, Philip
Elliott, Peter
Geny, Bernard
Laakso, Markku
Puigserver, Pere
Auwerx, Johan

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