نتایج جستجو برای: female life span

تعداد نتایج: 1023060  

2010
Vladimir N. Anisimov Tatiana S. Piskunova Irina G. Popovich Mark A. Zabezhinski Margarita L. Tyndyk Peter A. Egormin Maria N. Yurova Svetlana V. Rosenfeld Anna V. Semenchenko Irina G. Kovalenko Tatiana E. Poroshina Lev M. Berstein

Studies in mammals have led to the suggestion that hyperglycemia and hyperinsulinemia are important factors both in aging and in the development of cancer. It is possible that the life-prolonging effects of calorie restriction are due to decreasing IGF-1 levels. A search of pharmacological modulators of insulin/IGF-1 signaling pathway (which mimetic effects of life span extending mutations or c...

2010
Irina A. Vinogradova Vladimir N. Anisimov Andrey V. Bukalev Viktor A. Ilyukha Evgeniy A. Khizhkin Tatiana A. Lotosh Anna V. Semenchenko Mark A. Zabezhinski

We evaluated the effect of exposure to constant light started at the age of 1 month and at the age of 14 months on the survival, life span, tumorigenesis and age-related dynamics of antioxidant enzymes activity in various organs in comparison to the rats maintained at the standard (12:12 light/dark) light/dark regimen. We found that exposure to constant light started at the age of 1 month accel...

Journal: :Environmental entomology 2007
María G Luna Norma E Sánchez Patricia C Pereyra

Laboratory studies were conducted to measure selected life history traits and the functional response of the parasitoid Pseudapanteles dignus (Muesebeck), a major enemy of Tuta absoluta (Meyrick) in tomato crops in South America. Newly mated P. dignus females were individually exposed to 10 host larvae in mines for 24 h. We determined developmental time from egg to pupal formation and pupal sta...

Journal: :Acta Chemica Scandinavica 1963

Journal: :Proceedings of the National Academy of Sciences 1998

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