Moscow University Biological Sciences Bulletin, volume 73, issue 2, pages 59-62
On Choosing Control Objects in Experimental Gerontological Research
Publication type: Journal Article
Publication date: 2018-04-01
Quartile SCImago
Q4
Quartile WOS
—
Impact factor: —
ISSN: 00963925, 1934791X
General Biochemistry, Genetics and Molecular Biology
General Agricultural and Biological Sciences
General Environmental Science
Abstract
Recently, a large number of papers have appeared that describe the successful use of various biologically active compounds (short peptides, mitochondrial antioxidants, antidiabetic biguanides, mimetics of dietary restriction, autophagy modulators, etc.) as geroprotectors. However, in our opinion, in most cases, the positive results of such studies are determined by a “successful” selection of control objects. Animals with certain abnormalities are often used for this purpose, so that any favorable effect on the corresponding pathological processes leads to an increase in their lifespan. In addition, control animals can be normal (i.e., wildtype) but placed under certain extreme conditions that can be overcome just by using certain biologically active compounds. Thus, in this case, the treatment of pathologies rather than the effect on fundamental processes of aging is observed. There is a point of view that the results of Clive McCay’s well-known experiments, which have significantly prolonged the life of rats by limiting caloric intake, were determined by the facts that, firstly, the control animals fed ad libitum (which is absolutely untypical for animals in the wild) and, secondly, Fisher-344 rats, which were used in these experiments, are short-lived. The above considerations, apparently, also apply to the gerontological experiments on cultured cells. In particular, we sometimes hear remarks from our colleagues regarding the model of “stationary phase aging” of cell cultures, which is used in our laboratory, due to the fact that most of the experiments are performed on transformed rather than normal cells. However, this approach seems to us quite justified, because the phenomenon of “stationary phase”/chronological aging is common to a wide variety of cells, including bacteria, yeasts, cyanobacteria, mycoplasmas, as well as animal and plant cells. Cells with an unlimited mitotic potential do not change either from experiment to experiment or during long-term cultivation both with and without subcultivation (within the framework of the stationary phase aging model), which cannot be said of the normal diploid fibroblasts, whose telomeres are shortened with each division. In the period from seeding to entering the stationary phase of growth, the cells divide up to ten times! We believe that, to search for effective geroprotectors that affect the fundamental mechanisms of aging, it is necessary to perform studies on “maximally healthy” animals or on “maximally stable” model systems.
Citations by journals
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Moscow University Biological Sciences Bulletin
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Moscow University Biological Sciences Bulletin
10 publications, 55.56%
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Vestnik Moskovskogo universiteta. Seriya 16. Biologiya
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Vestnik Moskovskogo universiteta. Seriya 16. Biologiya
2 publications, 11.11%
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Advances in Gerontology
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Advances in Gerontology
2 publications, 11.11%
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Biochemistry (Moscow)
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Biochemistry (Moscow)
1 publication, 5.56%
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Cell Biochemistry and Function
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1 publication, 5.56%
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Science Editor and Publisher
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Science Editor and Publisher, 1, 5.56%
Science Editor and Publisher
1 publication, 5.56%
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Биохимия
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1 publication, 5.56%
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2
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Citations by publishers
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14
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Pleiades Publishing
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Pleiades Publishing
14 publications, 77.78%
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Moscow University Press
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Moscow University Press
2 publications, 11.11%
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Wiley
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Wiley
1 publication, 5.56%
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Association of Science Editors and Publishers
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Association of Science Editors and Publishers, 1, 5.56%
Association of Science Editors and Publishers
1 publication, 5.56%
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2
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Khokhlov A. N., Klebanov A. A., Morgunova G. V. On Choosing Control Objects in Experimental Gerontological Research // Moscow University Biological Sciences Bulletin. 2018. Vol. 73. No. 2. pp. 59-62.
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Khokhlov A. N., Klebanov A. A., Morgunova G. V. On Choosing Control Objects in Experimental Gerontological Research // Moscow University Biological Sciences Bulletin. 2018. Vol. 73. No. 2. pp. 59-62.
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TY - JOUR
DO - 10.3103/S0096392518020049
UR - https://doi.org/10.3103%2FS0096392518020049
TI - On Choosing Control Objects in Experimental Gerontological Research
T2 - Moscow University Biological Sciences Bulletin
AU - Klebanov, A A
AU - Morgunova, G V
AU - Khokhlov, A N
PY - 2018
DA - 2018/04/01 00:00:00
PB - Pleiades Publishing
SP - 59-62
IS - 2
VL - 73
SN - 0096-3925
SN - 1934-791X
ER -
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@article{2018_Khokhlov,
author = {A A Klebanov and G V Morgunova and A N Khokhlov},
title = {On Choosing Control Objects in Experimental Gerontological Research},
journal = {Moscow University Biological Sciences Bulletin},
year = {2018},
volume = {73},
publisher = {Pleiades Publishing},
month = {apr},
url = {https://doi.org/10.3103%2FS0096392518020049},
number = {2},
pages = {59--62},
doi = {10.3103/S0096392518020049}
}
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Khokhlov, A. N., et al. “On Choosing Control Objects in Experimental Gerontological Research.” Moscow University Biological Sciences Bulletin, vol. 73, no. 2, Apr. 2018, pp. 59-62. https://doi.org/10.3103%2FS0096392518020049.
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