Bulletin of RSMU

ISSN Print 2500–1094 ISSN Online 2542–1204

Bulletin of RSMU

BIOMEDICAL JOURNAL OF PIROGOV UNIVERSITY (MOSCOW, RUSSIA)

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Issue 1, 2024

Topic Small supernumerary marker chromosomes

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Issue 2, 2023

Topic Oncolytic viruses

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Issue 3, 2023

Topic Impaired reproductive function in women

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Issue 4, 2023

Topic Breast cancer

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Issue 5, 2023

Topic Stem cells differentiation

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Issue 6, 2023

Topic Molecular analysis in obese children

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New articles

Egiazaryan KA, Danilov MA, Abdusalamov RM

Injections of platelet-rich plasma are considered to be a promising treatment. Medicines acting on the subchondral bone can improve tissue's structure and slow down destruction of the articular cartilage. This study aimed to analyze the results of intraarticular and intraosseous administration of platelet-rich plasma (PRP) in gonarthrosis cases. One hundred and eighty-seven participants (gonarthrosis stages 1 through 3) were divided into three groups. Group 1 (treatment group) received intraarticular PRP injections, group 2 (comparison group) — intraosseous PRP injections. For assessment purposes, we used the SF-36 survey and visual analog scale. Three months after the treatment, initial pain level decreased in both groups 1 and 2. In group 1, the prevalence of synovitis went down after 3 months, in group 2 — after 6 months (21.9 and 31.3%, respectively; p < 0.05). Six months after the treatment, soft tissue swelling around the joint was registered less often in groups 1 and 2 (8.2 and 8.3%, respectively). As for the physical component of the quality of life, it improved in group 1 after 3 months (70.40%), in group 2 — after 6 months (69.80%); as for the mental component, the dynamics was acknowledged positive 3 months after the treatment in groups 1 and 2 (64.30 and 65.10%, respectively), and 6 months after the treatment (65.10 and 66.40%, respectively). Thus, administration of PRP in gonarthrosis cases attenuate pain and improves the quality of life. In terms of alleviation of the clinical symptoms and improvement of the physical component of patients' lives, intraosseous PRP injections performed significantly better.

Received: 2024-01-30

Published online: 2024-04-19

DOI: 10.24075/brsmu.2024.012

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VIEWS 12

Aptekar IA, Abramova EV, Postnikov MA, Kopetskiy IS, Eremin DA, Postnikova EM, Poluianova EB, Aptekar VI, Muravyov IO

Contemporary approaches to orthodontic treatment are complex: in complicated cases, they combine removable/fixed orthodontic appliances and surgical treatment, i.e., extraction of permanent teeth. In order to prevent negative outcomes and complications that can follow correction of dentofacial abnormalities and deformities, children and adults alike need to be thoroughly examined and prepared to the orthodontic stage of treatment. Many studies point to the relationship between orthodontic treatment and development of somatic dysfunctions. The purpose of this work was to develop an osteopathic disorders correction algorithm that can be introduced to an interdisciplinary protocol uniting efforts by an osteopath and an orthodontist with the aim to improve the quality of specialized orthodontic medical care.

Received: 2024-01-15

Published online: 2024-04-14

DOI: 10.24075/brsmu.2024.011

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VIEWS 69

Gusar VA, Timofeeva AV, Fedorov IS, Tarasova AM, Suhova YuV, Ivanets TYu

The cellular response to various types of stress underlying placental vascular dysfunction is under the sumoylation control. Consequently, SUMO homeostasis is closely related to the maintenance of angiogenic balance, the disruption of which is a feature of preeclampsia (PE). The goal of the research is to search for exosomal markers of such a disorder. The expression and prognostic potential of exosomal SUMO 1–4, UBC9 and hnRNPA2/B1 were evalueted in 39 pregnant women (cohort I) in the first trimester using Western blotting technology. The expression of these proteins in the placenta (cohort II, 27 pregnant women) at the time of delivery was also assessed. The expression of their conjugated forms was significantly changed in pregnant women with early-onset (SUMO 1, p = 0.03; SUMO 2/3/4, p = 0.03) and late-onset PE (SUMO 1, p = 0.03; SUMO 2/3/4, p = 0.04; UBC9 and hnRNPA2/B1, p < 0.0001, respectively). This change may be due to the functional specificity of SUMO isoforms in the context of their subcellular targets upon exposure to stressful stimuli. Significant changes in the expression of these proteins were also found in the placenta. Significant correlations were established between the expression of exosomal SUMO 2/3/4 (r = –0.59; p = 0.01) and UBC9 (r = –0.88; p = 0.0001) with PlGF in early-onset PE. In late-onset PE, hnRNPA2/B1 (r = –0.48; p = 0.03) and UBC9 (r = –0.48; p = 0.03) was correlated with β-hCG, and SUMO 2/3/4 with PAPP-A (r = –0.60; p = 0.006) in the blood serum of pregnant women. The analyzed proteins also significantly correlated with uterine artery pulsation index (SUMO 1 (r = 0.59; p = 0.01), SUMO 2/3/4 (r = 0.54; p = 0.02), hnRNPA2/B1 (r = 0.75; p = 0.0001)) and mean arterial pressure (UBC9 (r = 0.53; p = 0.03)). Based on the data the logistic models have been created to predict the risk of developing early-onset (UBC9 (AUC = 0.88; Se-0.72; Sp-1)) and late-onset PE (SUMO 1 (AUC = 0.79; Se-0.8; Sp-0.77)) at 11–14 weeks of pregnancy.

Received: 2024-01-29

Published online: 2024-02-29

DOI: 10.24075/brsmu.2024.010

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VIEWS 189

Aznabaev BM, Mukhamadeev TR, Ismagilov TN, Dibaev TI

Reduction of the adverse effects of intraoperative intraocular pressure fluctuation referred to as post-occlusion surge on the intraocular structures is an important task for ensuring phacoemulsification safety. In this regard, the method to control infusion during phacoemulsification based on controlling the infusion and aspiration flow rates in combination with monitoring of vacuum parameters was developed. The study was aimed to provide comparative assessment of clinical and functional characteristics of the eye in patients after phacoemulsification using the new and already existing adaptive infusion control methods. A total of 38 patients aged 66.4 ± 7.8 years (15 males and 23 females) in the index group (Optimed Profi system with the use of new method) and 35 patients aged 68.7 ± 7.5 years (16 males and 19 females) in the control group (Centurion Vision System with Active Fluidics) underwent surgery due to cataract. The patients underwent comprehensive eye examination before surgery and on days 1, 7, 30, months 3, 6 after surgery. The smaller loss of corneal endothelial cells on months 3 and 6 after surgery was observed in patients of the index group with grade III and IV cataract (p < 0.05). Comparison of macular microcirculation parameters revealed the reduced FAZ area by month 6 of postoperative follow-up in the index group, along with the increased total vascular density of the deep vasculature (p < 0.001). A significant decrease in the total density of the superficial and deep vascular plexuses by month 6 of postoperative follow-up was observed in the control group (p < 0.05). The use of new adaptive infusion control method contributes to effective phacoemulsification of cataracts of varying density with the lower percentage of the corneal endothelial cells lost in the late postoperative period.

Received: 2024-01-19

Published online: 2024-02-28

DOI: 10.24075/brsmu.2024.009

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VIEWS 217

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Popular articles

Markarov AE, Eremin DA, Martirosov AV, Khandzratsyan AS, Orazvaliev AI, Bugayan SA, Khalifaev OI

There are no actual statistical data on maxillofacial trauma, nor is there a published analysis addressing morbidity patterns, including cases requiring admission to maxillofacial surgery departments. Such data and the respective analysis could help to assess effectiveness of the maxillofacial trauma and diseases prevention and treatment measures, improve the emergency care approaches, identify problems in the medical aid system's maxillofacial surgery domain. This study aimed to analyze the aspects of emergency admission to hospitals for reasons requiring maxillofacial surgery. We processed hospital records of 15,227 patients admitted from 2018 through 2022. The analysis revealed the number of emergency maxillofacial cases to be at a fairly high level and show no downward trend. The majority of the patients are young, able-bodied men. Of all the admitted persons, 28.6% came to the hospital on their own; 22.9% were nonresidents and foreigners. The average hospital stay was 3.85 days, it did not change significantly during the studied period. The prevailing types of trauma were maxillofacial injuries and mandibular fractures. For 29.9% of patients with the latter type, the treatment method of choice was osteosynthesis. Up to 70% of all the patients needed to be followed-up by a maxillofacial surgeon after discharge. The mortality rate in maxillofacial surgery departments is extremely low; all such cases involved concomitant pathologies.

Received: 2023-08-09

Published online: 2023-10-23

DOI: 10.24075/brsmu.2023.038

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VIEWS 550

Patysheva MR, Stakheyeva MN, Grigoryeva ES, Tarabanovskaya NA, Bragina OD, Kzhyshkowska JG, Cherdyntseva NV

Circulating monocytes are important actors of the tumor growth pathogenesis. It has been shown that some features of the monocyte populations expressing endocytosis receptors or the major histocompatibility complex components are observed in blood of patients with breast cancer. The study was aimed to assess the relationship of tumor parameters and blood cytokine profile with the composition of circulating monocyte populations in patients with localized and locally advanced breast cancer. The study has shown that the circulating monocytes’ phenotypic characteristics are correlated to the clinical and morphological features of the neoplastic process. The content of populations with the CD14+CD16++CD163+ and CD14++CD16+CD163+ phenotypes positively correlates with the disease stage, while larger primary tumor size is associated with lower CD14+CD16++ monocyte levels. Elevated serum levels of IL8 and МСР-1 are observed in breast cancer patients. High IL6 levels in patients with breast cancer are associated with the reduced percentage of CD14++CD16-HLA-DR+, CD14+CD16++HLA-DR+ and CD14++CD16-СD163+ monocytes. Thus, CD163+ and HLA-DR+ monocytes are associated with the clinical and morphological parameters and blood levels of cytokines, which suggests that these populations are involved in breast cancer progression and indicates that further research is advisable for translation of the findings into clinical practice.

Received: 2023-09-14

Published online: 2023-10-31

DOI: 10.24075/brsmu.2023.043

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VIEWS 507

Special Project Author's Work

Secrets of a quality research study and a good manuscript

At the end of 2015, Bulletin of RSMU saw an important change in its typographic design and content. We formulated new editorial policies and established strict ethical standards for submitted manuscripts in accordance with the guidelines of reputable international bodies. As a result, about a quarter of the submitted works have been rejected, the primary reason being the author trying to submit a previously published article. Sometimes authors believe that by making slight changes to the introduction, excluding a few people from the study, performing a new statistical analysis, and thus obtaining totally new results they will turn their old manuscript into a novel work. That is why we would like to talk about scientific integrity, honesty, plagiarism, and self-plagiarism in our special project “Author’s work”.

American physicist Richard P. Feynman, a Nobel laureate, was always very scrupulous about the quality of a research study. During his commencement address at the California Institute of Technology in 1974, he talked about scientific integrity and honesty and warned young researchers “not to fool” themselves. A must-read for anyone who believes he/she is a true scientist.

In 1918, Russian physiologist Ivan Pavlov, a Nobel laureate, delivered two lectures: on the mind in general and the Russian mind in particular; on those mind qualities that determine the success of a research work and on how these qualities are present in the Russian mind. Pavlov's thoughts are an effective vaccine against poor intellectual work.