239,323 results match your criteria: "Russian Federation; Pirogov Russian National Research Medical University[Affiliation]"

Hypertrophic cardiomyopathy (HCM) is a genetic cardiac disorder associated with an increased risk of arrhythmias, heart failure, and sudden cardiac death. Current imaging and clinical markers are not fully sufficient in accurate diagnosis and patient risk stratification. Although known cardiac biomarkers in blood are used, they lack specificity for HCM and primarily stratify for death due to heart failure in overt cases.

View Article and Find Full Text PDF
Article Synopsis
  • The study examines the Yuzhniy Oleniy Ostrov burial site, focusing on group dynamics and regional interactions of the Mesolithic population in Northern Europe.
  • Radiogenic strontium isotope analysis revealed that most individuals likely lived semi-permanently near Lake Onega, with only two showing evidence of having spent time outside the area.
  • The findings suggest stable residential patterns for Late Mesolithic foragers while also highlighting connections to broader communication networks, indicating some long-distance interactions.
View Article and Find Full Text PDF

Use of a Personalized Clinical Decision Support System for Dosing in Psychopharmacotherapy in Patients with Alcoholic Hallucinosis Based on Pharmacogenomic Markers.

Psychopharmacol Bull

January 2025

Sychev, corresponding member of the Academy of Sciences of Russia, MD, PhD, MD, professor, rector, head of clinical pharmacology and therapy department, Russian Medical Academy of Continuous Professional Education of the Ministry of Health of the Russian Federation, Moscow, Russian Federation.

Introduction: Alcoholic hallucinosis (AH) is one of the severe complications of chronic alcoholism, characterized by psychotic symptoms such as auditory hallucinations and delusions. Haloperidol is widely used to treat AH; however, its therapy is often complicated by side effects. A personalized approach using pharmacogenetic testing (particularly the CYP2D6 polymorphism) allows individualization of haloperidol dosage, improving both safety and efficacy of therapy.

View Article and Find Full Text PDF

Life expectancy provides insights into population health and the socio-economic development level of a country. However, there has been a significant gap in life expectancy between developed and underdeveloped countries, although these countries and international institutions have focused on reducing these inequalities. This article explores the long-term effects of social, educational, and health expenditures together with GDP on indicators of life expectancy in the OECD states over the period of 2005-2021 through second-generation cointegration analysis.

View Article and Find Full Text PDF

Behavioral copying is a key process in group actions, but it is challenging for individuals with autism spectrum disorder (ASD). We investigated behavioral contagion, or instinctual replication of behaviors, in Krushinky-Molodkina (KM) rats ( = 16), a new potential rodent model for ASD, compared to control Wistar rats ( = 15). A randomly chosen healthy Wistar male ("demonstrator rat") was introduced to the homecage of experimental rats ("observers") 10-14 days before the experiments to become a member of the group.

View Article and Find Full Text PDF

In this report, we developed novel chlorin/arylaminoquinazoline conjugates for targeted photodynamic therapy of cancer. The synthesized photosensitizers consisted of chlorin- metallocomplexes (Zn, In, or Pd) conjugated with arylaminoquinazoline ligands with high affinity for epidermal growth factor receptors (EGFR). Additionally, the selectivity and antitumor properties of the conjugates were investigated in the EGFR-expressing A431 human tumor cell line .

View Article and Find Full Text PDF

The complete H and C NMR assignments of a trimeric vindoline together with its individual components, dimeric vindolicine and monomeric vindoline, are performed based on a thorough analysis of the ROESY, COSY, HSQC, and HMBC spectra in combination with the state-of-the-art quantum-chemical calculations. A spatial structure of vindoline trimer is determined by means of computational conformational analysis in combination with the probability distribution map of its basic conformers. On the example of monoterpene indole alkaloid, the trimer vindoline, the present study reveals the power of modern computational NMR to perform identification and stereochemical studies of large natural compounds with some limitations, which may arise in the quantum chemical computing workflow.

View Article and Find Full Text PDF

Ferritin-based hybrid macromolecules experience unusual shift of stoichiometry distribution.

Int J Biol Macromol

December 2024

Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russian Federation; Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Dubna, 141980, Russian Federation. Electronic address:

Article Synopsis
  • Ferritin-based hybrids are large macromolecules with potential uses in drug delivery and vaccines, but their design is complicated.
  • Researchers designed hybrids using ferritin from Helicobacter pylori and a Small Ubiquitin-like Modifier, discovering that their assembly was influenced by varying preparation methods.
  • They developed a quantitative model to analyze how different stoichiometries affected the structure of these hybrids, revealing unexpected patterns and establishing a framework for better design of ferritin-based systems.
View Article and Find Full Text PDF

Directed synthesis of novel water-soluble asymmetric porphyrins containing in a molecule three cationic fragments and residues of adenine (PorAD) was performed, using metal-complex catalysis method. The interaction of the synthesized porphyrin with the oligonucleotides poly[d(AT)2] and poly[d(GC)2] and double-stranded deoxyribonucleic acid of the calf thymus (ctDNA) was studied by means of spectral and hydrodynamic methods. It was established that PorAD intercalated not only into GC-enriched regions, but also into AT regions.

View Article and Find Full Text PDF

The effect of essential oils (EOs) of 22 species and varieties of essential oil plants on the mental performance of elderly people when they inhaled air containing EOs in a gaseous state at a concentration of 1 mg/m3 of air was studied. For the study, a word recognition test with missing letters and a proofreading test were used. It has been established that recognition of words with missing letters is stimulated for a short (10-20 min) duration of exposure to EOs, and then the effect fades away.

View Article and Find Full Text PDF
Article Synopsis
  • The implementation of laboratory information systems (LIS) in healthcare has improved the ability to collect and analyze large volumes of lab data, as part of Russia's goal to create a unified digital healthcare circuit.
  • The study aimed to assess blood glucose levels and carbohydrate metabolism in various age groups during and after COVID-19, using data from city hospitals and labs.
  • Findings revealed significant increases in blood glucose during the COVID-19 pandemic for all age groups, with older adults showing the most pronounced negative effects, while middle-aged individuals saw a post-COVID decrease in glucose levels.
View Article and Find Full Text PDF

[Cognitive impairment and age-related eye pathology.].

Adv Gerontol

January 2025

M.M.Krasnov Research Institute of Eye Diseases, 11 A, B, Rossolimo str., Moscow 119021, Russian Federation, e-mail:

In developed countries age-related macular degeneration (AMD) and glaucoma are the most common diseases of old age that cause irreversible blindness. Alzheimer's disease (AD), the most prevalent cause of dementia among older adults, is often associated with AMD and glaucoma. Features of AD include extracellular accumulation of β-amyloid (Aβ) and intracellular deposits of hyperphosphorylated forms of tau-protein.

View Article and Find Full Text PDF

The article describes the forms, causes and consequences of insomnia in the elderly. It shows the clinical features of dyssomnic disorders in comorbid depressive and anxiety disorders, as the most common mental pathology of old age. The approaches of Russian and foreign authors to the diagnosis and treatment of insomnia in the elderly are considered.

View Article and Find Full Text PDF

According to the federal register, up to 3,77 million elderly Russians have a confirmed diagnosis of type 2 diabetes mellitus (DM2), the most important criterion for the effectiveness of treatment of which is the achievement of therapeutic control targets. At the same time, the structure of the algorithm for their assessment in elderly patients is quite complex and involves the analysis of many different parameters, including indicators of geriatric status. The aim of the study was to develop a digital clinical calculator for determining individual goals of DM2 control in elderly patients based on the principles of evidence-based medicine.

View Article and Find Full Text PDF

The topic of the timing of the manifestation of age-associated diseases (as an indirect indicator of accelerated population aging) after the transfer of COVID-19 remains an urgent area in scientific research. Early targeted diagnosis can significantly reduce the consequences of pathology, in connection with which the features of the manifestation of various nosologies in the post-COVID period were studied. The materials were the accounting and statistical data of the municipal polyclinics of the Sakhalin Region for the pre-COVID (2017-2019) and post-COVID (2022-2023) periods.

View Article and Find Full Text PDF
Article Synopsis
  • The review summarizes long-term research by the Saint-Petersburg Institute of Bioregulation and Gerontology on the biological activity of peptide bioregulators and compares findings from domestic and international studies.
  • Russian scientists have taken the lead in using buccal epithelium as a diagnostic marker for age-related diseases, highlighting their significant contributions in this field.
  • The research reveals that peptides from the epiphysis can enhance melatonin secretion and influence circadian rhythms in the elderly by regulating gene expression and reducing harmful protein synthesis, suggesting their potential as therapeutic agents for age-related issues.
View Article and Find Full Text PDF

[Peptide regulation of cellular aging.].

Adv Gerontol

January 2025

Saint-Petersburg Institute of Bioregulation and Gerontology, 3 Dinamo av., St. Petersburg 197110, Russian Federation, e-mail:

Cellular aging is the inability of structures to proliferate (further division) and repair damage while maintaining metabolic activity. The key well-known factors of cellular aging are the processes of DNA damage, telomere shortening, the development of oxidative stress and epigenetic changes. The above factors provoke the development of a pro-inflammatory environment, leading to errors in gene expression and metabolic dysregulation, thereby affecting the development of age-related diseases that contribute to pathological changes in the functions of tissues and organs.

View Article and Find Full Text PDF

[Viral-epigenetic hypothesis of Parkinson's disease etiopathogenesis.].

Adv Gerontol

January 2025

Bashkir State Medical University, 3 Lenin str., Ufa 450008, Russian Federation, e-mail:

Data accumulated in scientific literature indicate that Parkinson's disease develops after infections caused by SARS-CoV-2, West Nile, Coxsackie, St. Louis viruses, Japanese encephalitis B, hepatitis B and C, influenza A, HIV, herpes viruses, flaviviruses. Neuroinvasive West Nile viruses and HIV activate expression of alpha-synuclein.

View Article and Find Full Text PDF

[Russian and European experience in implementing the concept of active longevity.].

Adv Gerontol

January 2025

Institute of Economics of Ural Branch of RAS, 29 Moskovskaya str., Yekaterinburg 620014, Russian Federation, e-mail:

The article presents an analysis of the medical, demographic and socio-economic conditions for the implementation of the active longevity policy in Russia and European countries. Based on statistical data from Rosstat, OECD Statistics, UNECE Statistical Database and Eurostat, the peculiarities of the aging of population and the non-standard age profile of wages in Russia are demonstrated. The Russian and European experience of implementing the ideas of the concept of active longevity is considered, on the basis of which the features and main trends in this area are highlighted.

View Article and Find Full Text PDF

The relationship of Mikkola, 1980; Mikkola, 1998; and Mikkola, 1998 is reconsidered based on 59 genitalia slides (37 males and 22 females) and 40 barcodes of adults collected from the type localities and areas in-between. Due to lack of stable morphologic differences, apart from the wing coloration of , and low genetic distance between the three, they are considered as three subspecies of : the nominotypical one and Included are photographs of all specimens covering 37 adults, and 28 male and 18 female genitalia, as well as a phylogenetic tree and a map showing collecting localities.

View Article and Find Full Text PDF

The stem canker disease eastern filbert blight (EFB), caused by , is a major impediment of European hazelnut () production in the United States. While most European hazelnut cultivars are highly susceptible to the pathogen, which remains confined to North America, EFB resistant and tolerant genotypes occur in the gene pool at low frequency. At Rutgers University, New Brunswick, NJ, USA, 5,226 trees were grown from open pollinated seeds collected from Russia, Crimea, Poland, Turkey, Estonia, Latvia, Lithuania, Moldova, Azerbaijan, Italy, and the Republic of Georgia between 2002 to 2010.

View Article and Find Full Text PDF

The Rey Auditory Verbal Learning Test (RAVLT) is a classic test used to assess episodic verbal memory in research and clinical practice. We aimed to adapt the RAVLT materials into Russian, provide performance norms across the adult lifespan for the Russian adaptation, and develop a mobile application for automated RAVLT administration across languages. We created three psycholinguistically matched alternative versions of the RAVLT materials in Russian and incorporated them into a new tablet application.

View Article and Find Full Text PDF

Terminal Schwann cells (TSCs) are capable of regulating acetylcholine (ACh) release at the neuromuscular junction (NMJ). We have identified GABA as a gliotransmitter at mouse NMJs. When ACh activates α7 nicotinic ACh receptor (nAChRs) on TSCs, GABA is released and activates GABA receptors on the nerve terminal that subsequently reduce ACh release.

View Article and Find Full Text PDF

An empirical equation relating electrophoretic mobility and ionic strength was proposed. The equation includes a number of parameters that are found using the mobilities of reference ions: two coefficients in the numerator describing the linear relationship of the multiplier in front of the square root of the ionic strength with the product of the ion mobility in the background electrolyte (BGE) without additives by the modulus of the charge number, raised to a certain power, and also the multiplier in the denominator before the square root of the ionic strength. The proposed equation was tested using the mobilities measured in BGEs with the addition of sodium chloride to adjust ionic strength and sulfated β-cyclodextrin (S-β-CD) for 11 anions with charge numbers from -1 to -4.

View Article and Find Full Text PDF

Infections caused by gram-negative pathogens continue to be a major risk to human health because of the innate antibiotic resistance endowed by their unique cell membrane architecture. Nature has developed an elegant solution to target gram-negative strains, namely by conjugating toxic antibiotic warheads to a suitable carrier to facilitate the active import of the drug to a specific target organism. Microcin C7 (McC) is a Trojan horse peptide-conjugated antibiotic that specifically targets enterobacteria by exploiting active import through oligopeptide transport systems.

View Article and Find Full Text PDF