Research Topics
| Catherine A WolkowSummaryAffiliation: National Institutes of Health Country: USA Publications
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Detail Information
Publications
Insulin receptor substrate and p55 orthologous adaptor proteins function in the Caenorhabditis elegans daf-2/insulin-like signaling pathwayCatherine A Wolkow
Department of Molecular Biology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
J Biol Chem 277:49591-7. 2002..elegans mutants with defects in DAF-2 signaling. Interestingly, IST-1 appears to be required for signaling through a pathway that may act in parallel to AGE-1/PI3K...
Blueberry polyphenols increase lifespan and thermotolerance in Caenorhabditis elegansMark A Wilson
Laboratory of Neurosciences, National Institute on Aging, Intramural Research Program, Baltimore, MD 21224, USA
Aging Cell 5:59-68. 2006..In conclusion, polyphenolic compounds in blueberries had robust and reproducible benefits during aging that were separable from antioxidant effects...
Life span: getting the signal from the nervous systemCatherine A Wolkow
Laboratory of Neurosciences, Intramural Research Program, National Institute on Aging, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
Trends Neurosci 25:212-6. 2002..This review examines the evidence for nervous system control of longevity and discusses the implications for popular models for aging...
Identifying factors that promote functional aging in Caenorhabditis elegansCatherine A Wolkow
Laboratory of Neurosciences, Intramural Research Program, National Institute on Aging, NIH, Baltimore, MD 21224, USA
Exp Gerontol 41:1001-6. 2006..This article will examine the current research into aging-related functional declines in this species, focusing on recent studies of locomotory and feeding decline during aging in the nematode, C. elegans...
Uncoupling protein homologs may provide a link between mitochondria, metabolism and lifespanCatherine A Wolkow
Invertebrate Molecular Genetics Unit, Laboratory of Neurosciences, NIA IRP, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
Ageing Res Rev 5:196-208. 2006..Future biochemical and genetic investigation of UCP-like proteins will do much to clarify their functions and to identify the regulatory networks in which they are involved...
Activated AKT/PKB signaling in C. elegans uncouples temporally distinct outputs of DAF-2/insulin-like signalingMinaxi S Gami
Laboratory of Neurosciences, NIA, NIH, Baltimore, MD, USA
BMC Dev Biol 6:45. 2006..In order to study the downstream effectors of AGE-1/PI3K signaling in C. elegans, we conducted a genetic screen for mutations that suppress the constitutive dauer arrest phenotype of age-1(mg109) animals...
Sarcopenia in the Caenorhabditis elegans pharynx correlates with muscle contraction rate over lifespanDavid K Chow
Laboratory of Neurosciences, National Institute on Aging/Intramural Research Program (NIA/IRP, Gerontology Research Center, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
Exp Gerontol 41:252-60. 2006..Further, characterization of the specific types of damage induced by muscle contraction will be helpful for understanding the underlying causes of sarcopenia...
Insulin signaling in Caenorhabditis elegans regulates both endocrine-like and cell-autonomous outputsWendy B Iser
Laboratory of Neurosciences, National Institute on Aging IRP, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
Dev Biol 303:434-47. 2007..Together, these results show that C. elegans insulin signaling has endocrine as well as tissue-specific outputs which could influence lifespan in a combinatorial fashion...
Co-regulation of the DAF-16 target gene, cyp-35B1/dod-13, by HSF-1 in C. elegans dauer larvae and daf-2 insulin pathway mutantsWendy B Iser
Invertebrate Molecular Genetics Unit, Laboratory of Neurosciences, Research Resources Branch, NIA Intramural Research Program, NIH Biomedical Research Center, Baltimore, Maryland, United States of America
PLoS ONE 6:e17369. 2011..Genetic analysis of the cyp-35B1 promoter showed both DAF-16 and HSF-1 are direct regulators. Based on these findings, we propose that hsf-1 may participate in the pathways mediating non-autonomous activities of age-1 in C. elegans...
Dietary deprivation extends lifespan in Caenorhabditis elegansGarrick D Lee
Laboratory of Experimental Gerontology, National Institute on Aging, Balimore, MD 21224, USA
Aging Cell 5:515-24. 2006..elegans. This study presents the first evidence that long-term DD, instead of being detrimental, can extend lifespan of a multicellular adult organism...
Extension of lifespan in C. elegans by naphthoquinones that act through stress hormesis mechanismsPiper R Hunt
Laboratory of Neurosciences, National Institute on Aging, Intramural Research Program, National Institutes of Health, Baltimore, Maryland, United States of America
PLoS ONE 6:e21922. 2011..Our findings reveal the potential for low doses of naturally occurring naphthoquinones to extend lifespan by engaging a specific adaptive cellular stress response pathway...
DAF-2/insulin-like signaling in C. elegans modifies effects of dietary restriction and nutrient stress on aging, stress and growthWendy B Iser
Laboratory of Neurosciences, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, Maryland, United States of America
PLoS ONE 2:e1240. 2007..Genetic analysis in C. elegans nematodes has shown that DR and IIS couple to distinct cellular signaling pathways. However, it is not known whether these pathways ultimately converge on overlapping or distinct targets to extend lifespan...
Regulation of Caenorhabditis elegans vitellogenesis by DAF-2/IIS through separable transcriptional and posttranscriptional mechanismsAna S Depina
Laboratory of Neurosciences, NIA Intramural Research Program, NIH, Baltimore, MD 21224, USA
BMC Physiol 11:11. 2011..However, little is known about the pathways regulating vitellogenesis in response to prolongevity cues...
Quantitative measurement of aging using image texture entropyLior Shamir
Laboratory of Genetics, National Institute on Aging NIH, 251 Bayview Boulevard, Baltimore, MD 21224, USA
Bioinformatics 25:3060-3. 2009..Here we propose to use the image texture entropy as an objective measurement that reflects the structural deterioration of the C. elegans muscle tissues during aging...
Studies of Caenorhabditis elegans DAF-2/insulin signaling reveal targets for pharmacological manipulation of lifespanMinaxi S Gami
Laboratory of Neurosciences, Gerontology Research Center, National Institute on Aging, National Institutes of Health, Baltimore, MD 21224, USA
Aging Cell 5:31-7. 2006..These insights into pathways affecting invertebrate lifespan may provide a basis for developing strategies for pharmacological manipulation of human lifespan...
Behavioral deficits during early stages of aging in Caenorhabditis elegans result from locomotory deficits possibly linked to muscle frailtyCharles F Glenn
Laboratory of Neuosciences, National Institue on Aging, Baltimore, MD 21224, USA
J Gerontol A Biol Sci Med Sci 59:1251-60. 2004..Treatment with a muscarinic agonist significantly improved locomotory behavior in aged animals, indicating that improved neuromuscular signaling may be one strategy for reducing the severity of age-related behavioral impairments...
Comparative approaches to facilitate the discovery of prolongevity interventions: effects of tocopherols on lifespan of three invertebrate speciesSige Zou
National Institute on Aging, Intramural Research Program, NIH, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
Mech Ageing Dev 128:222-6. 2007..This study shows that a comparative approach, utilizing multiple invertebrate species, can increase the robustness of invertebrate-based pilot screens for prolongevity interventions...
Methoxylation enhances stilbene bioactivity in Caenorhabditis elegansMark A Wilson
Laboratory of Neurosciences, National Institute on Aging, Intramural Research Program, NIH, Baltimore, MD 21224, USA
BMC Pharmacol 8:15. 2008....
New haystacks reveal new needles: using Caenorhabditis elegans to identify novel targets for ameliorating body composition changes during human agingCatherine A Wolkow
Laboratory of Neurosciences, NIA Intramural Research Program, NIH, Biomedical Research Center, Baltimore, MD 21224, USA
Interdiscip Top Gerontol 37:84-93. 2010..From this chapter, readers will develop a deeper understanding of the ways that C.elegans can be used for mechanistic gerontological studies...
Quantitative image analysis reveals distinct structural transitions during aging in Caenorhabditis elegans tissuesJosiah Johnston
Laboratory of Genetics, NIA Intramural Research Program, National Institutes of Health, Baltimore, Maryland, United States of America
PLoS ONE 3:e2821. 2008..This work further demonstrates that pattern analysis of an image series offers a novel and generally accessible approach for quantifying morphological changes and identifying structural biomarkers...
