Abstract:
:The release of mitochondrial cytochrome c followed by activation of caspase cascade has been reported with aging in various tissues, whereas little is known about the caspase-independent pathway involved in mitochondrial dysfunction. To determine the functional impact of cytochrome c loss on mitochondrial respiratory capacity, we monitored NADH redox transitions and oxygen consumption in isolated skeletal muscle mitochondria of 4- and 24-month-old rats in the presence and absence of exogenous cytochrome c; and assessed the efficacy of cosupplementation of carnitine and lipoic acid on age-related alteration in mitochondrial respiration. The loss of mitochondrial cytochrome c with age was accompanied with alteration in respiratory transition, which in turn was not rescued by exogenous addition of cytochrome c to isolated mitochondria. The analysis of mitochondrial and nuclear-encoded cytochrome c oxidase subunits suggests that the decreased levels of cytochrome c oxidase may be attributed for the irresponsiveness to exogenously added cytochrome c on mitochondrial respiratory transitions, possibly through reduction of upstream electron carriers. Oral supplementation of carnitine and lipoic acid to aged rats help to maintaining the mitochondrial oxidative capacity by regulating the release of cytochrome c and improves cytochrome c oxidase transcript levels. Thus, carnitine and lipoic acid supplementation prevents the loss of cytochrome c and their associated decline in cytochrome c oxidase activity; thereby, effectively attenuating any putative decrease in cellular energy and redox status with age.
journal_name
Rejuvenation Resjournal_title
Rejuvenation researchauthors
Tamilselvan J,Sivarajan K,Anusuyadevi M,Panneerselvam Cdoi
10.1089/rej.2007.0541subject
Has Abstractpub_date
2007-09-01 00:00:00pages
311-26issue
3eissn
1549-1684issn
1557-8577journal_volume
10pub_type
杂志文章abstract::Reactive oxygen species (ROS) are chemically reactive molecules with impaired electrons that make them unstable and able to react easily with a great variety of molecules. The main targets of ROS are DNA, proteins, and membrane phospholipids. In the skin, ROS are able to affect the production of collagen and elastin, ...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2013.1511
更新日期:2014-06-01 00:00:00
abstract::The human mitochondrion contains a small circular genome that codes for 13 proteins, 22 tRNAs, and 2 rRNAs. The proteins are all inner membrane bound components of complexes involved in the electron transport system and ATP formation. Mutations to any of the 13 proteins affect cellular behavior because energy producti...
journal_title:Rejuvenation research
pub_type: 杂志文章,评审
doi:10.1089/rej.2006.9.182
更新日期:2006-07-01 00:00:00
abstract::The pineal hormone melatonin plays a major role in circadian sleep-wake rhythm in many mammals, including humans. Patients with acute confusional state or delirium, especially those with underlying cognitive impairment, frequently suffer from sleep disturbances and disturbed circadian rhythm. In this review, an overvi...
journal_title:Rejuvenation research
pub_type: 杂志文章,评审
doi:10.1089/rej.2012.1405
更新日期:2013-08-01 00:00:00
abstract::Evidence suggests association of red blood cell distribution width (RDW) with cardiovascular diseases (CVDs). On the contrary, we underline that the sole RDW values cannot represent a valid CVD biomarker. High RDW values are expression of biological effects of a lot of both endogenous and exogenous factors (i.e., age,...
journal_title:Rejuvenation research
pub_type: 杂志文章,评审
doi:10.1089/rej.2018.2094
更新日期:2019-04-01 00:00:00
abstract::As mammals age, the rate of neurogenesis in the brain declines with a concomitant reduction in cognitive ability. Recent data suggest that plasma-borne factors are responsible for inhibition of neurogenesis. When the circulatory systems of old and young mice are connected, the old mice experience increased neurogenesi...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2011.1301
更新日期:2011-12-01 00:00:00
abstract::Neurodegenerative diseases are often associated with both normal and premature aging. Resumption of the cell cycle by neurons induced by DNA damage may lead to their apoptosis, which contributes to the degeneration of neuronal tissue. Cell cycle and DNA replication proteins are frequently found in patients with neurod...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2015.1717
更新日期:2016-04-01 00:00:00
abstract::Calorie restriction (CR) extends life span in mammals and delays the onset of age-related diseases, including cancer and diabetes. Drugs that target the same genes and pathways as CR may have enormous therapeutic potential. Recently, genome-scale data on the responses of human cell lines to over 1,000 drug treatments ...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2011.1263
更新日期:2012-04-01 00:00:00
abstract::Lysosomal storage diseases occur due to incomplete metabolic degradation of macromolecules by various hydrolytic enzymes in the lysosome. Despite structural differences, most of the lysosomal enzymes share many common features including a lysosomal targeting motif and phosphotransferase recognition sites. β-Glucuronid...
journal_title:Rejuvenation research
pub_type: 杂志文章,评审
doi:10.1089/rej.2013.1407
更新日期:2013-10-01 00:00:00
abstract::The aim of this study was to evaluate the role of magnesium levels on 3-year survival in the elderly with congestive heart failure (CHF) admitted to the Rehabilitative Cardiology Unit of S. Maugeri Foundation Scientific Institute of Telese/Campoli. All elderly patients > or = 65 years old with a diagnosis of CHF under...
journal_title:Rejuvenation research
pub_type: 杂志文章,多中心研究
doi:10.1089/rej.2007.0583
更新日期:2008-02-01 00:00:00
abstract::Mitochondrial structural and functional integrity is maintained through the coordination of several processes (e.g., biogenesis, dynamics, mitophagy), collectively referred to as mitochondrial quality control (MQC). Dysfunctional MQC and inflammation are hallmarks of aging and are involved in the pathogenesis of muscl...
journal_title:Rejuvenation research
pub_type: 杂志文章,评审
doi:10.1089/rej.2017.1989
更新日期:2018-08-01 00:00:00
abstract::The Strategies for Engineered Negligible Senescence (SENS) agenda contemplates specialized centers that offer a periodic rejuvenation and biogerontological maintenance for their clients. Although high-tech interventions are still in an early research phase, well-proven natural techniques, such as various forms of calo...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2009.0946
更新日期:2010-04-01 00:00:00
abstract::Prunella vulgaris L., a well-known traditional Chinese herbal medicine, has anti-inflammatory and antioxidant activities. In the present study, the underlying molecular mechanisms of the protective effect of P. vulgaris extract (PVE) were investigated in UVB-irradiated normal human dermal fibroblasts (NHDFs). The mRNA...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2017.1971
更新日期:2018-08-01 00:00:00
abstract::Abnormalities of gene structure or expression are commonly found in cancers, where they are used as prognostic markers, predicting the likely severity of disease or chances of response to therapy. An odds ratio (OR) of <1 indicates that a marker's presence is correlated with better outcome. An OR of <1 is also often t...
journal_title:Rejuvenation research
pub_type: 杂志文章,评审
doi:10.1089/rej.2004.7.199
更新日期:2004-10-01 00:00:00
abstract::Inflammation is a key component of immune system. It is involved in both defense and pathophysiological events maintaining the dynamic homeostasis of host organism. Its function is controlled by innate immunity genes. Both their polymorphisms and environmental conditions give rise to different phenotypes in human popu...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2008.0666
更新日期:2008-04-01 00:00:00
abstract::Alzheimer's disease (AD) is a common form of dementia and amyloid-β peptide (Aβ) aggregation is considered to be one of its main causes. Paeoniflorin has been previously shown to attenuate cognitive damage inflicted by exogenous Aβ protein. Using transgenic Caenorhabditis elegans models expressing human Aβ1-42, we dem...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2017.1966
更新日期:2018-08-01 00:00:00
abstract::Availability of reliable prognostic biomarkers that are also able to monitor preventive/therapeutic interventions in patients with mild cognitive impairment (MCI) is crucial. Cerebral brain-derived neurotrophic factor (BDNF) alterations were evidenced in Alzheimer's disease, but the value of blood BDNF in MCI is uncle...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2020.2307
更新日期:2020-10-01 00:00:00
abstract::We examined the impact of strong co-presence and function of glutathione peroxidase-1 (GPX-1) and glial cell line-derived neurotrophic factor (GDNF) on protecting the rat dopaminergic pheochromocytoma cell line PC12 against 6-hydroxydopamine (6-OHDA) and hydrogen peroxide (H₂O₂) toxicities. Primarily, GPX-1 over-expre...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2012.1390
更新日期:2013-06-01 00:00:00
abstract::I propose a new model, called the "RNA memory" model, for the possible role of RNAs in the maintenance and establishment of cell identity. This is cytoplasmic memory obtained by the transmission of mother noncoding (nc) RNAs to daughter cells. These RNAs are able to activate transcription via sequence homology in daug...
journal_title:Rejuvenation research
pub_type: 杂志文章,评审
doi:10.1089/rej.2009.0957
更新日期:2010-04-01 00:00:00
abstract::Pluripotent stem cells offer unique opportunities for curing debilitating diseases. However, further comprehensive research is needed to better understand cell signaling during the differentiation of pluripotent cells into different cell lineages and accordingly to develop clinically applicable protocols. One of the l...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2011.1186
更新日期:2011-12-01 00:00:00
abstract::Treadmills are often used as rehabilitation devices to improve gait in Parkinson's disease (PD). Kinematic differences between treadmill and overground gait have been reported. However, electromyographic (EMG) patterns during treadmill and overground walking have not been systematically compared. The aim of this study...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2018.2084
更新日期:2019-02-01 00:00:00
abstract::This study aimed at comparing the effects of three chair-based exercise programs on people older than 80 years. Thirty-six participants (87.91 ± 4.70 years) were randomly allocated to an aerobic, muscular resistance, or joint mobility exercise program. The participants exercised 3 days per week during 3 months. A hand...
journal_title:Rejuvenation research
pub_type: 杂志文章,随机对照试验
doi:10.1089/rej.2017.1924
更新日期:2017-10-01 00:00:00
abstract:OBJECTIVE:This study examined the impact of estrogen replacement therapy with spirometry on pulmonary function in surgically castrated (salpingo-oophorectomy) postmenopausal women with genital prolapse. METHODS:The study included 60 postmenopausal women with pelvic organ prolapse. The study received institutional Ethi...
journal_title:Rejuvenation research
pub_type: 杂志文章,随机对照试验
doi:10.1089/rej.2012.1337
更新日期:2012-12-01 00:00:00
abstract::Telomeres are specialized DNA structures located at the ends of chromosomes. Their length is reduced at each cell cycle, especially when the cumulative burden of oxidative stress is high. The purpose of this study was to determine the associations between telomere length and clinical and biological risk factors in isc...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2011.1243
更新日期:2012-06-01 00:00:00
abstract::Aging plays a central role in the occurrence of neurodegenerative diseases. Caloric restriction (CR) mitigates oxidative stress by decreasing the rate of generation of endogenous damage, a mechanism that can contribute to the slowing of the aging rate induced by this intervention. Various reports have recently linked ...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2007.0538
更新日期:2007-12-01 00:00:00
abstract::The senescence of the immune system contributes considerably to the age-related diseases that are the main causes of death after the age of 65. In this study, we present an appealing option for the prevention of immune senescence and slowing or reversing the aging process, which can be achieved by heterochronous autol...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2018.2164
更新日期:2020-04-01 00:00:00
abstract::The relationships among lipoprotein metabolism, genetic vascular factors, vascular disease, and Alzheimer's disease suggest that the examination of centenarian populations in relation to certain genes or lipoprotein metabolism provide insights into human longevity. The findings on the higher frequency of the apolipopr...
journal_title:Rejuvenation research
pub_type: 杂志文章,评审
doi:10.1089/rej.2007.0537
更新日期:2007-12-01 00:00:00
abstract:BACKGROUND:Curcumin, an extract from the rhizome of the plant Curcuma longa (turmeric), has been widely used as a spice and herbal medicine in Asia. It has been suggested to have many biological activities, such as antioxidative, antiinflammatory, anticancer, chemopreventive, and antineurodegenerative properties. We ev...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2010.1031
更新日期:2010-10-01 00:00:00
abstract::In otherwise healthy adults, moderate aerobic exercise extends life span and likely health span by 2-6 years. Exercise improves blood sugar regulation, and resistance exercise increases or maintains muscle mass and is associated with improved cognitive function. On the other hand, evidence for anti-oxidant supplements...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2013.1484
更新日期:2013-10-01 00:00:00
abstract::The 2013 Rostock Symposium on Systems Biology and Bioinformatics in Aging Research was again dedicated to dissecting the aging process using in silico means. A particular focus was on ontologies, because these are a key technology to systematically integrate heterogeneous information about the aging process. Related t...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2013.1517
更新日期:2013-12-01 00:00:00
abstract::Aristotle described the study of politics as an "architectonic" science that aspires to bring together insights from different fields of scientific inquiry to ensure that citizens have the opportunities to flourish. To meet the health and economic challenges of aging populations, we must revive this Aristotelian visio...
journal_title:Rejuvenation research
pub_type: 杂志文章
doi:10.1089/rej.2010.1023
更新日期:2010-10-01 00:00:00