| 2022, Volume 68, Issue 5  | 
| EDITOR-IN-CHIEF`S COLUMN | 
   | 307-308 | Editorial |       | 
| REVIEWS | 
   | 309-320 | Naryzhny S.N., Legina O.K. Zonulin — regulation of tight contacts in the brain and intestine — facts and hypotheses
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   | 321-338 | Balashova E.E., Trifonova O.P., Maslov D.L., Lichtenberg S.R., Lokhov P.G., Archakov A.I. Metabolome profiling in the study of aging processes
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   | 339-351 | Ershov P.V., Yablokov E.O., Mezentsev Y.V., Ivanov A.S. Interactomics of CXXC proteins involved in epigenetic regulation of gene expression
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| EXPERIMENTAL STUDIES | 
   | 352-360 | Neroeva N.V., Neroev V.V., Chesnokova N.B., Katargina L.A., Pavlenko T.A., Beznos O.V., Ilyukhin P.A., Utkina O.A., Lagarkova M.A., Laktionov P.P., Bogomazova A.N., Kharitonov A.E. Changes of α₂-macroglobulin activity and endothelin-1 concentration in tears of rabbits after transplantation of retinal pigment epithelium cells derived from the induced pluripotent stem cells
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   | 361-366 | Sinitsky M.Y., Sinitskaya A.V., Shishkova D.K., Ponasenko A.V. Genotoxic stress leads to the proinflammatory response of endothelial cells: an in vitro study
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   | 367-374 | Kovalev G.I., Sukhorukova N.A., Vasileva E.V., Kondrakhin E.A., Salimov R.M., Narkevich V.B., Kudrin V.S. Behavioral and neuroreceptor effects of the racetam derivative GIZh-290 in mouse experimental attention deficit model
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| CLINICAL AND DIAGNOSTIC RESEARCH | 
   | 375-382 | Tokareva A.O., Chagovets V.V., Starodubtseva N.L., Rodionov V.V., Kometova V.V., Chingin K.S., Frankevich V.E. Lipidomic markers of breast cancer malignant tumor histological types
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   | 383-389 | Osadchuk L.V., Danilenko A.D., Osadchuk A.V. A relationship between zinc and anthropometric and metabolic indicators of obesity in the population of young russian men
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| SHORT COMMUNICATIONS | 
   | 390-397 | Skvortsov V.S., Ivanova Y.O., Voronina A.I. Acetylation, methylation, and ubiquitination of proteins in experimental ischemic stroke in mice: a bioinformatics analysis
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