Diverse roles of growth hormone and insulin-like growth factor-1 in mammalian aging: progress and controversies

WE Sonntag, A Csiszar, R De Cabo… - … Series A: Biomedical …, 2012 - academic.oup.com
Because the initial reports demonstrating that circulating growth hormone and insulin-like
growth factor-1 decrease with age in laboratory animals and humans, there have been …

IRS-2 deficiency impairs NMDA receptor-dependent long-term potentiation

ED Martín, A Sanchez-Perez, JL Trejo… - Cerebral …, 2012 - academic.oup.com
The beneficial effects of insulin and insulin-like growth factor I on cognition have been
documented in humans and animal models. Conversely, obesity, hyperinsulinemia, and …

[HTML][HTML] Once again on rapamycin-induced insulin resistance and longevity: despite of or owing to

MV Blagosklonny - Aging (Albany NY), 2012 - ncbi.nlm.nih.gov
Calorie restriction (CR), which deactivates the nutrient-sensing mTOR pathway, slows down
aging and prevents age-related diseases such as type II diabetes. Compared with CR …

Metabotyping of Long-Lived Mice using 1H NMR Spectroscopy

A Wijeyesekera, C Selman, RH Barton… - Journal of proteome …, 2012 - ACS Publications
Significant advances in understanding aging have been achieved through studying model
organisms with extended healthy lifespans. Employing 1H NMR spectroscopy, we …

Temporal requirements of heat shock factor‐1 for longevity assurance

Y Volovik, M Maman, T Dubnikov… - Aging cell, 2012 - Wiley Online Library
Reducing the activity of the insulin/IGF‐1 signaling pathway (IIS) modifies development,
elevates stress resistance, protects from toxic protein aggregation (proteotoxicity), and …

The place of genetics in ageing research

N Barzilai, L Guarente, TBL Kirkwood… - Nature Reviews …, 2012 - nature.com
Rapidly increasing numbers of older people present many countries with growing social and
economic challenges. Yet despite the far-reaching implications of ageing, its biological basis …

[HTML][HTML] Dietary restriction increases skeletal muscle mitochondrial respiration but not mitochondrial content in C57BL/6 mice

S Hempenstall, MM Page, KR Wallen… - Mechanisms of ageing …, 2012 - Elsevier
Dietary restriction (DR) is suggested to induce mitochondrial biogenesis, although recently
this has been challenged. Here we determined the impact of 1, 9 and 18 months of 30% DR …

Male mice retain a metabolic memory of improved glucose tolerance induced during adult onset, short-term dietary restriction

KM Cameron, S Miwa, C Walker, T von Zglinicki - Longevity & healthspan, 2012 - Springer
Background Chronic dietary restriction (DR) has been shown to have beneficial effects on
glucose homeostasis and insulin sensitivity. These factors show rapid and robust …

[HTML][HTML] Mechanistic or mammalian target of rapamycin (mTOR) may determine robustness in young male mice at the cost of accelerated aging

OV Leontieva, GM Paszkiewicz… - Aging (Albany NY …, 2012 - ncbi.nlm.nih.gov
Males, who are bigger and stronger than females, die younger in most species from flies to
mammals including humans. Cellular mass growth is driven in part by mTOR (Target of …

Insulin-like growth factors and insulin: at the crossroad between tumor development and longevity

R Novosyadlyy, D LeRoith - Journals of Gerontology Series A …, 2012 - academic.oup.com
Numerous lines of evidence indicate that insulin-like growth factor signaling plays an
important role in the regulation of life span and tumor development. In the present paper, the …