Signaling pathways of dietary energy restriction and metabolism on brain physiology and in age-related neurodegenerative diseases.

abstract：:Normal diploid Syrian hamster dermal mesenchymal cell strains, regardless of the age of the tissue of origin, exhibit in vitro cellular senescence. The frequency of spontaneous escape from senescence and conversion to a permanent cell line is less than 5% among replicate flasks. The overall pattern of senescence of ce...

journal_title：Mechanisms of ageing and development

authors： Bruce SA,Deamond SF,Ts'o PO

更新日期：1986-04-01 00:00:00

abstract：:The proto-oncogene c-fos (the cellular homolog of v-fos, Finkel-Biskis-Jenkins (FBJ) murine osteogenic sarcoma virus) encodes a major component of the activator protein-1 (AP-1) transcription factor. Serum stimulation as well as oxidizing treatments induce transitory increases in c-fos mRNA abundance. The induction of...

journal_title：Mechanisms of ageing and development

authors： Keogh BP,Tresini M,Cristofalo VJ,Allen RG

更新日期：1996-03-29 00:00:00

abstract：:Protein carbonyls were studied in aging and exercise by immunoblot followed by one- or two-dimensional polyacrylamide gel electrophoresis using antibodies against 2,4-dinitrophenylhydrazones. Proteins of rat kidneys exhibited significant age-related increase in the amount of carbonyl while those of the brain and liver...

journal_title：Mechanisms of ageing and development

authors： Goto S,Nakamura A,Radak Z,Nakamoto H,Takahashi R,Yasuda K,Sakurai Y,Ishii N

更新日期：1999-03-15 00:00:00

abstract：:During senescence, autofluorescent lysosomal storage bodies known as lipofusin or age pigment accumulate in many post-mitotic types of cells. Among these cell types is the retinal pigment epithelium (RPE) of the mammalian eye. The mechanisms of lipofuscin formation and accumulation have been studied more extensively i...

journal_title：Mechanisms of ageing and development

authors： Katz ML,Wendt KD,Sanders DN

更新日期：2005-04-01 00:00:00

abstract：:The identification of predictive markers of life span would help to unravel the underlying mechanisms influencing ageing and longevity. For this aim, 30 variables including immune functions, inflammatory-oxidative stress state and behavioural characteristics were investigated in ICR-CD1 female mice at the adult age (N...

journal_title：Mechanisms of ageing and development

authors： Martínez de Toda I,Vida C,Sanz San Miguel L,De la Fuente M

更新日期：2019-09-01 00:00:00

abstract：:Nitric oxide synthase (NOS) activity was enhanced in human umbilical vein endothelial cells (HUVECs) by the combined stimulation with IFN-gamma plus IL-1beta, TNF-alpha and LPS which was accompanied by cell death. DNA analysis of the NOS induced dead HUVECs showed that internucleosomal DNA fragmentation had occurred, ...

journal_title：Mechanisms of ageing and development

authors： Sato I,Kaji K,Murota S

更新日期：1995-06-30 00:00:00

abstract：:In an attempt to understand the molecular mechanisms of age-dependent degenerative alteration in human periodontal tissues, we examined mRNA level and DNA methylation of collagen alpha1(I) gene. Using healthy periodontal ligament tissues from humans aged 9-76 years, we found that the collagen alpha1(I) mRNA level decr...

journal_title：Mechanisms of ageing and development

authors： Takatsu M,Uyeno S,Komura J,Watanabe M,Ono T

更新日期：1999-10-01 00:00:00

abstract：:Hematological deficiencies increase with aging leading to anemias, reduced hematopoietic stress responses and myelodysplasias. This study tested the hypothesis that side population hematopoietic stem cells (SP-HSC) would decrease with aging, correlating with IGF-1 and IL-6 levels and increases in bone marrow fat. Marr...

journal_title：Mechanisms of ageing and development

authors： Brusnahan SK,McGuire TR,Jackson JD,Lane JT,Garvin KL,O'Kane BJ,Berger AM,Tuljapurkar SR,Kessinger MA,Sharp JG

更新日期：2010-11-01 00:00:00

abstract：:The steroid hormone ecdysone influences Drosophila lifespan. Longevity is extended in mutants deficient for ecdysone synthesis or mutants of the ecdysone receptor (EcR). However, the underlying mechanisms remain unclear. Here we conditionally inactivated EcR by RNA interference or expression of dominant negative forms...

journal_title：Mechanisms of ageing and development

authors： Tricoire H,Battisti V,Trannoy S,Lasbleiz C,Pret AM,Monnier V

更新日期：2009-08-01 00:00:00

abstract：:Confluent late passage WI-38 human diploid fibroblast cultures grown in the presence or absence of hydrocortisone for fifteen population doublings were measured cytochemically for DNA, nuclear RNA, basic nuclear protein and acidic nuclear protein content during a 12-hour interval following a medium-change stimulation....

journal_title：Mechanisms of ageing and development

authors： Docherty PA,Anthony A,Mitchell RB

更新日期：1981-11-01 00:00:00

abstract：:The functional deterioration of an organism with age causes the major problem of maintaining the quality of life at old age. Degenerative changes in the organism may to some extent reflect alterations that can be observed in cells during in vitro replicative senescence. At the cellular level, the receptor-mediated end...

journal_title：Mechanisms of ageing and development

authors： Park SC

更新日期：2002-04-30 00:00:00

abstract：:Age-related variations in the stromal cell population of human bone marrow were studied by means of a cloning assay. It was found that these cells are heterogeneous both in division capacity and in morphology. Fibroblast-like progenitor cells could be distinguished from epithelial-like cells, having only a very limite...

journal_title：Mechanisms of ageing and development

authors： Mets T,Verdonk G

更新日期：1981-01-01 00:00:00

abstract：:Protein synthetic activity was determined in postmitochondrial preparations from heart, brain, kidney, liver and skeletal muscle of 5-26-month-old female C57B1/6J mice. An age-dependent decrease in the rate of protein synthesis was exhibited by all preparations except heart muscle. A 65% decrease in translational rate...

journal_title：Mechanisms of ageing and development

authors： Blazejowski CA,Webster GC

更新日期：1983-03-01 00:00:00

abstract：:The endothelin-1 (ET-1) concentrations were measured by RIA in the media of confluent monolayer cultures of rat articular chondrocyte (RAC) exposed to fetal calf serum (FCS) and several growth factors and cytokines. The cells were obtained from 1- and 18-month-old rats. First passage cells were starved in Dulbecco's m...

journal_title：Mechanisms of ageing and development

authors： Messai H,Khatib AM,Lebrun G,Aubin P,Florina M,Jean F,Mitrovic DR

更新日期：2000-02-22 00:00:00

abstract：:Because muscle satellite cells have been implicated in the process of muscle growth and mass regulation, as well as regeneration, alterations in the capacity of satellite cells to differentiate and accumulate muscle specific proteins during aging could play a role in the process of senile muscle atrophy. Skeletal musc...

journal_title：Mechanisms of ageing and development

authors： Allen RE,McAllister PK,Masak KC,Anderson GR

更新日期：1982-01-01 00:00:00

abstract：:Neutral endopeptidase 24.11 (NEP) inhibitors prevent breakdown of atrial natriuretic peptide (ANP), and may be useful therapeutically, in sodium overload states as often occurs in the aged. However, age-dependent changes in ANP/NEP may limit the activity of these agents in the elderly. To investigate this we conducted...

journal_title：Mechanisms of ageing and development

authors： Greenfeld Z,Engels K,Samsell L,Baylis C

更新日期：2001-09-01 00:00:00

abstract：:The effect of age on the capacity of tyramine to promote the release of norepinephrine (NE) at the cardiac adrenergic neuroeffector junction was investigated in isolated hearts of rats, 6, 12 and 24 months of age. Hearts were perfused by the method of Langendorff and tyramine was administered in increasing doses as a ...

journal_title：Mechanisms of ageing and development

authors： Kreider MS,Goldberg PB,Roberts J

更新日期：1986-11-14 00:00:00

abstract：:It is generally accepted that free-radical induced blood lipid peroxidation and especially peroxidized LDL play a central role in the pathogenesis of atherosclerosis and related cardiovascular disease. Moreover, recent research highlights the key contribution of apolipoprotein B (apo B) to atherogenesis as the main in...

journal_title：Mechanisms of ageing and development

authors： Ramírez-Boscá A,Soler A,Carrión MA,Díaz-Alperi J,Bernd A,Quintanilla C,Quintanilla Almagro E,Miquel J

更新日期：2000-10-20 00:00:00

abstract：:Mortality trends in industrialized countries are characterized by declines in vascular disease (ischemic heart disease and stroke) and rises in cancers and degenerative diseases. These trends are typically analyzed by examining each disorder in isolation using the perspective of genetic and environmental influences. H...

journal_title：Mechanisms of ageing and development

authors： Riggs JE,Millecchia RJ

更新日期：1992-09-01 00:00:00

abstract：:Adult Wistar NIN (WNIN) rats (6 months old) of both sexes were orally fed Amalakirasayana at a dose of 4.5 g per kg body weight, five days in a week. The Amalakirasayana was prepared by Arya Vaidya Sala, Kottakkal, Kerala, India, which is considered as gold standard. After 3, 9 and 15 months of such therapeutic regime...

journal_title：Mechanisms of ageing and development

authors： Swain U,Sindhu KK,Boda U,Pothani S,Giridharan NV,Raghunath M,Rao KS

更新日期：2012-04-01 00:00:00

abstract：:Twenty-six institutionalized elderly subjects, selected as healthy according to the SENIEUR protocol, were compared to adult controls to establish correlations between affective disorders and immune abnormalities and to investigate underlying neuroendocrine mechanisms. After an extensive psychodiagnostic examination, ...

journal_title：Mechanisms of ageing and development

authors： Bartoloni C,Guidi L,Frasca D,Antico L,Pili R,Cursi F,Di Giovanni A,Rumi C,Menini E,Carbonin P

更新日期：1991-09-01 00:00:00

abstract：:Changes in glycosaminoglycans during in vitro aging were investigated in human diploid fibroblasts. The cells were found to produce predominantly hyaluronate and smaller amounts of chondroitin 4-sulfate, chondroitin 6-sulfate, dermatan sulfate and heparan sulfate. Accumulation of heparan sulfate on the cell surface wa...

journal_title：Mechanisms of ageing and development

authors： Matuoka K,Mitsui Y

更新日期：1981-02-01 00:00:00

abstract：:In a longitudinal design in which each animal was examined repeatedly throughout its life, we used flow cytometry to determine the numbers or proportions of a variety of T lymphocyte subsets in the peripheral blood of mice aged 8-20 months. Half of the 128 mice were given a low calorie diet which is known to extend li...

journal_title：Mechanisms of ageing and development

authors： Miller RA

更新日期：1997-06-01 00:00:00

abstract：:The quantification of plasmatic HLA class-I molecules (sHLA-I) was realized by a sandwich ELISA using a monomorphic mAb (W6/32). sHLA-I concentration is significantly increased in the elderly group (>50 years, 0.429+/-0.301 microg ml(-1)) as compared to the young group (<50 years, 0.126+/-0.085 microg ml(-1)). The var...

journal_title：Mechanisms of ageing and development

authors： Le Morvan C,Cogné M,Drouet M

更新日期：2001-03-01 00:00:00

abstract：:Aging is a biological process associated with impairment of mitochondrial bioenergetic function, increased oxidative stress, attenuated ability to respond to stresses and increased risk in contracting age-associated diseases. When mitochondria are subjected to oxidative stress, accompanied by calcium overload and ATP ...

journal_title：Mechanisms of ageing and development

authors： Paradies G,Paradies V,Ruggiero FM,Petrosillo G

更新日期：2013-01-01 00:00:00

abstract：:Anucleate minicells produced by a mutated strain of Escherichia coli remain metabolically active for up to 48 h at 37 degrees C. Minicells of increasing age have been infected with the coliphage T7. Infection results in the onset of transcription and translation producing T7 encoded polypeptides. Quantitative and qual...

journal_title：Mechanisms of ageing and development

authors： Libby RT,Shaw JE,Reeve JN

更新日期：1984-10-15 00:00:00

abstract：:To gain insight into the anti-ageing mechanisms of caloric restriction (CR), liver mitochondria were isolated from male Brown-Norway rats of different ages (fully fed control and CR) and various specific markers of non-enzymatic protein modification (by oxidative, glyco- and lipoxidative-reactions) were measured by GC...

journal_title：Mechanisms of ageing and development

authors： Lambert AJ,Portero-Otin M,Pamplona R,Merry BJ

更新日期：2004-08-01 00:00:00

abstract：:Endothelin (ET) is a powerful vasopressor agent that is activated in a number of pathophysiologic states where renal perfusion is reduced. Since renal vasoconstriction occurs as part of renal aging, we investigated the possibility that ET may be activated in the old kidney. These experiments involved acutely blocking ...

journal_title：Mechanisms of ageing and development

authors： Greenfeld Z,Engels K,Samsell L,Baylis C

更新日期：1998-03-16 00:00:00

abstract：:In order to gain a better understanding of tissue plasticity with aging, we investigated the adaptive responses of young and adult animals to both 7 and 28 days of hypobaric hypoxia. Senescence is associated with a decreased tolerance to hypoxia that may be related to an age-associated decline in glucose transporter s...

journal_title：Mechanisms of ageing and development

authors： Dill RP,Chadan SG,Li C,Parkhouse WS

更新日期：2001-05-15 00:00:00

abstract：:T cell responses are altered in the aged in a manner usually interpreted as detrimental to host defences against infectious agents and possibly also against cancer. T cell dysregulation may be caused by any or a combination of stem cell deficits, compromised T cell differentiation, inefficient antigen processing and p...

journal_title：Mechanisms of ageing and development

authors： Pawelec G,Hirokawa K,Fülöp T

更新日期：2001-09-30 00:00:00