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Characteristics of Psychoemotional Manifestations of Laboratory Rodents Undergoing Surgery when Modeling Preoperative Stress. 模拟术前应激时接受手术的实验鼠的心理情绪表现特征
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-09-01 Epub Date: 2024-10-01 DOI: 10.1007/s10517-024-06248-z
M V Kondashevskaya, V V Aleksankina, K A Artemyeva, K A Kasabov
{"title":"Characteristics of Psychoemotional Manifestations of Laboratory Rodents Undergoing Surgery when Modeling Preoperative Stress.","authors":"M V Kondashevskaya, V V Aleksankina, K A Artemyeva, K A Kasabov","doi":"10.1007/s10517-024-06248-z","DOIUrl":"10.1007/s10517-024-06248-z","url":null,"abstract":"<p><p>We studied psychoemotional characteristics and the blood level of corticosterone in sexually mature male C57BL/6 mice (n=40): intact (control), after simulating preoperative stress and surgery, after surgery, and after anesthesia alone. It was found that the anxiety index calculated on the basis of testing in the elevated plus maze was significantly higher in both groups of operated animals. The mice of both operated groups and animals exposed to anesthesia alone showed increased anxiety. Symptoms indicating a high probability of transition of anxiety into a psychoemotional disorder have been recorded.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":"678-681"},"PeriodicalIF":0.9,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142342065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of Neonatal Administration of Non-Opiate Analogues of Leu-Enkephalin on the Delayed Cardiac Consequences of Intrauterine Hypoxia. 新生儿服用非阿片类脑啡肽类似物对宫内缺氧延迟性心脏病后果的影响
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-09-01 Epub Date: 2024-09-28 DOI: 10.1007/s10517-024-06234-5
I A Gusev, Yu B Malofey, E N Sazonova
{"title":"Effects of Neonatal Administration of Non-Opiate Analogues of Leu-Enkephalin on the Delayed Cardiac Consequences of Intrauterine Hypoxia.","authors":"I A Gusev, Yu B Malofey, E N Sazonova","doi":"10.1007/s10517-024-06234-5","DOIUrl":"10.1007/s10517-024-06234-5","url":null,"abstract":"<p><p>Intrauterine hypoxia (gestation days 15-19, pO<sub>2</sub> 65 mm Hg, duration 4 h) led to an increase in the expression of p53, beclin-1, endothelial NO synthase (eNOS), and caspase-3 proteins in cardiomyocytes and reduced the number of mast cells in the heart of 60-day-old albino rats. Administration of a non-opiate analogue of leu-enkephalin (NALE peptide: Phe-D-Ala-Gly-Phe-Leu-Arg, 100 μg/kg) on days 2-6 of the neonatal period decreased the severity of delayed posthypoxic myocardial reaction. The content of eNOS<sup>+</sup> cardiomyocytes and the total number of mast cells of these animals did not differ from the control parameters; the content of p53<sup>+</sup> cardiomyocytes was significantly lower than in animals exposed to intrauterine hypoxia. The cardioprotective activity of NALE was partially neutralized by co-administration with the NO synthase inhibitor (L-NAME, 50 mg/kg). Correction of the delayed posthypoxic changes, similar to the effects of NALE peptide, was observed after neonatal administration of its arginine-free analogue, G peptide (Phe-D-Ala-Gly-Phe-Leu-Gly; 100 μg/kg). Non-opiate analogues of leu-enkephalin NALE and G peptides can be considered as promising substances capable of preventing long-term cardiac consequences of intrauterine hypoxia.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":"610-615"},"PeriodicalIF":0.9,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142342069","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Expression of Types I and III Collagens and Ultrastructure of the Extracellular Matrix in Rectal Adenocarcinoma of Different Differentiation Degree after Neoadjuvant Radiation Therapy. 新辅助放疗后不同分化程度直肠腺癌中 I 型和 III 型胶原的表达及细胞外基质的超微结构
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-09-01 Epub Date: 2024-10-01 DOI: 10.1007/s10517-024-06245-2
N P Bgatova, N E Skudin, M A Karpov, Yu S Taskaeva, M E Ryaguzov, A I Lomakin, S A Fursov, M A Korolev
{"title":"Expression of Types I and III Collagens and Ultrastructure of the Extracellular Matrix in Rectal Adenocarcinoma of Different Differentiation Degree after Neoadjuvant Radiation Therapy.","authors":"N P Bgatova, N E Skudin, M A Karpov, Yu S Taskaeva, M E Ryaguzov, A I Lomakin, S A Fursov, M A Korolev","doi":"10.1007/s10517-024-06245-2","DOIUrl":"10.1007/s10517-024-06245-2","url":null,"abstract":"<p><p>The structural organization of the extracellular matrix of rectal adenocarcinoma of different differentiation degrees without and after neoadjuvant radiation therapy was studied on postoperative material using immunohistochemistry and electron microscopy. The differences in the expression of types I and III collagens, as well as in the ultrastructural organization of the extracellular matrix of rectal adenocarcinoma of different differentiation degrees without and after neoadjuvant radiation therapy were revealed. We observed high expression of collagen I and wide channels in the collagen matrix in the central areas of the well differentiated adenocarcinomas without neoadjuvant radiation therapy and in poorly differentiated adenocarcinomas after neoadjuvant radiation therapy, which can be associated with metastasis and poor prognosis for the patients.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":"662-667"},"PeriodicalIF":0.9,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142342084","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Asymmetry of Microcirculation Parameters in Rats against the Background Conditions of LPS Administration. 大鼠微循环参数与 LPS 给药背景条件的不对称性
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-09-01 Epub Date: 2024-09-28 DOI: 10.1007/s10517-024-06232-7
L V Mezentseva
{"title":"Asymmetry of Microcirculation Parameters in Rats against the Background Conditions of LPS Administration.","authors":"L V Mezentseva","doi":"10.1007/s10517-024-06232-7","DOIUrl":"10.1007/s10517-024-06232-7","url":null,"abstract":"<p><p>The effect of intraperitoneal injection of LPS (pyrogenal, 100 μg/kg) on the asymmetry of the right-left hemodynamic balance of microcirculation (MCR) was studied in 10 male Wistar rats. Synchronous measurements of the MCR parameters of the outer surface of the symmetrical areas of the tail base were carried out by laser Doppler flowmetry. The coefficients of asymmetry of the regression relationships between changes in perfusion of each of the observation sides and the initial perfusion values of both the eponymous and opposite observation sides, as well as the mean values and coefficients of perfusion variation of the studied areas, were analyzed. Injection of pyrogenal changed parameters of the asymmetry of the right-left hemodynamic balance of MCR in comparison with the initial values. One hour after the injection of pyrogenal, the contribution of the left MCR bed to the right-left hemodynamic balance increased, and the right one decreased. At the same time, the value of the perfusion variation coefficient decreased on the left and increased on the right. The shift of the hemodynamic balance towards the left MCR bed led to significant increase in blood supply to the left MCR pool after pyrogenal injection. The results of the studies indicate a stress type of reaction of the animal body to the injected drug.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":"603-606"},"PeriodicalIF":0.9,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142342062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparative Characteristic of the Methods of Isolation of Oocytes and Spermatozoa in Laboratory Animals (Review). 实验动物卵母细胞和精子分离方法的比较特性（综述）。
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-09-01 Epub Date: 2024-10-01 DOI: 10.1007/s10517-024-06250-5
Z R Khasanshina, D A Abdullaeva, N V Bogacheva
{"title":"Comparative Characteristic of the Methods of Isolation of Oocytes and Spermatozoa in Laboratory Animals (Review).","authors":"Z R Khasanshina, D A Abdullaeva, N V Bogacheva","doi":"10.1007/s10517-024-06250-5","DOIUrl":"10.1007/s10517-024-06250-5","url":null,"abstract":"<p><p>Over the past decade, there has been an increasing trend in the use of assisted reproductive technologies, which have significantly expanded the opportunities to overcome the problem of infertility. However, the problem of increasing the effectiveness of in vitro fertilization remains open. Isolation of germ cells from animals is a necessary process for various experimental studies. Animal germ cells can be used in experiments to study physical, chemical, genetic, immunological, and microbiological factors affecting reproduction efficiency and for the development of techniques that increase the effectiveness of in vitro fertilization. All of the above determines the relevance of studying existing methods of oocyte and sperm isolation for experimental in vitro studies. Here we discuss the existing methods of sperm and oocyte isolation from animals and their advantages and disadvantages, and also substantiate priority methods for use.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":"686-690"},"PeriodicalIF":0.9,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142342066","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Extracellular Acidosis, Cysteine, and Glutathione Enhance the Toxic Effect of Copper Ions in Cultures of Cerebellar Granule Neurons. 细胞外酸中毒、半胱氨酸和谷胱甘肽可增强小脑颗粒神经元培养物中铜离子的毒性效应
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-09-01 Epub Date: 2024-09-28 DOI: 10.1007/s10517-024-06229-2
E V Stelmashook, T Y Budagova, E E Genrikhs, N K Isaev
{"title":"Extracellular Acidosis, Cysteine, and Glutathione Enhance the Toxic Effect of Copper Ions in Cultures of Cerebellar Granule Neurons.","authors":"E V Stelmashook, T Y Budagova, E E Genrikhs, N K Isaev","doi":"10.1007/s10517-024-06229-2","DOIUrl":"10.1007/s10517-024-06229-2","url":null,"abstract":"<p><p>We studied the effect of extracellular acidosis, cysteine, glutathione, and iron ions (Fe<sup>3+</sup>) on the neurocytotoxic effect of copper ions (Cu<sup>2+</sup>) in vitro. At acidic pH of the culture medium (pH 6.8), the toxic effect of copper on cultured neurons significantly increased in comparison with that at neutral pH 7.3. In the presence of 25 μM Cu<sup>2+</sup> in the culture medium at pH 7.3 and 6.8, the neuronal survival was 89±2 and 63±4%, respectively. In the presence of glutathione or cysteine (1 μM) in the culture medium, even 0.5 μM Cu<sup>2+</sup> caused 100% death of cultured neurons, while the presence of Fe<sup>3+</sup> (10-50 μM) had no effect on the toxicity of Cu<sup>2+</sup>. In general, acidosis or the presence of glutathione or cysteine increases the cytotoxicity of copper ions.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":"588-591"},"PeriodicalIF":0.9,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142342085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Relationship of Inotropic Effects of Stimulation of β1- and β2-Adrenergic Receptors of Isolated Myocardial Fragments with Echocardiography Parameters in Coronary Heart Disease. 刺激分离心肌片段的β1-和β2-肾上腺素能受体的肌力作用与冠心病超声心动图参数的关系
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-09-01 Epub Date: 2024-09-30 DOI: 10.1007/s10517-024-06235-4
S A Afanasiev, D S Kondratieva, E F Muslimova, V A Korepanov, S L Andreev, Sh D Akhmedov
{"title":"Relationship of Inotropic Effects of Stimulation of β<sub>1</sub>- and β<sub>2</sub>-Adrenergic Receptors of Isolated Myocardial Fragments with Echocardiography Parameters in Coronary Heart Disease.","authors":"S A Afanasiev, D S Kondratieva, E F Muslimova, V A Korepanov, S L Andreev, Sh D Akhmedov","doi":"10.1007/s10517-024-06235-4","DOIUrl":"10.1007/s10517-024-06235-4","url":null,"abstract":"<p><p>We studied the relationship of inotropic responses of the isolated myocardium to stimulation of β<sub>1</sub>-and β<sub>2</sub>-adrenergic receptors (β-AR) with echocardiography parameters in 28 patients with coronary heart disease (CHD). Myocardial fragments (trabeculae of the right atrial appendage) were obtained during coronary artery bypass surgery. The inotropic response of the trabeculae was assessed in an isometric mode. Stimulation of β<sub>1</sub>-and β<sub>2</sub>-AR with agonists was performed against the background of preliminary α-AR blockade. In case of preserved ejection fraction, significant inotropic response of the trabeculae (135 (112; 154)% from the initial contraction amplitude) was observed after β<sub>1</sub>-AR stimulation, while in reduced ejection fraction, its significant increase was observed after β<sub>1</sub>-AR stimulation (126 (112; 170)% from the initial contraction amplitude). In patients with preserved and reduced ejection fraction, the correlations between the inotropic responses of the trabeculae to β<sub>1</sub>-and β<sub>2</sub>-AR stimulation and echocardiography parameters were different. The revealed differences reflect the degree of cardiac remodeling under condition of the studied pathology.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":"616-620"},"PeriodicalIF":0.9,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142342092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Antibodies to Glutamate Reduce the IL-6 Content in Cerebral Structures in Mice with Age-Related Memory Impairment. 谷氨酸抗体能降低与年龄相关的记忆力减退小鼠大脑结构中的 IL-6 含量
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-09-01 Epub Date: 2024-09-28 DOI: 10.1007/s10517-024-06233-6
T V Davydova, L A Vetrile, I A Zakharova
{"title":"Antibodies to Glutamate Reduce the IL-6 Content in Cerebral Structures in Mice with Age-Related Memory Impairment.","authors":"T V Davydova, L A Vetrile, I A Zakharova","doi":"10.1007/s10517-024-06233-6","DOIUrl":"10.1007/s10517-024-06233-6","url":null,"abstract":"<p><p>Intranasal administration of antibodies to glutamate for 14 days improved passive avoidance conditioning and reduces the content of IL-6 within 7 days after their withdrawal in the prefrontal cortex and hippocampus of aging C57BL/6 mice.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":"607-609"},"PeriodicalIF":0.9,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142342061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of Age and Sex on Stability Indicators of the Right-Left Hemodynamic Balance of Skin Microcirculation in Symmetrical Areas of the Human Head. 年龄和性别对人体头部对称区域皮肤微循环左右血流动力学平衡稳定性指标的影响
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-09-01 Epub Date: 2024-09-28 DOI: 10.1007/s10517-024-06227-4
L V Mezentseva
{"title":"Influence of Age and Sex on Stability Indicators of the Right-Left Hemodynamic Balance of Skin Microcirculation in Symmetrical Areas of the Human Head.","authors":"L V Mezentseva","doi":"10.1007/s10517-024-06227-4","DOIUrl":"10.1007/s10517-024-06227-4","url":null,"abstract":"<p><p>Indicators (markers) of microcirculation stability (MCR) of the skin in symmetric areas of the head were studied in young (18-19-years-old) and elderly (60-80-years-old) male and female subjects. We performed synchronous MCR measurements of symmetrical areas of the head using laser Doppler flowmetry in 40 healthy volunteers (10 men and 10 women in each age group). Numerical values of stability markers (T1, T2, and ζ) and indicators of the right-left hemodynamic balance of the MCR (regression coefficients a1, a2, b1, b2) were obtained using the previously developed computational and experimental methods. The coefficients a2 and b2 that determine the contribution of the right MCR bed to the right-left hemodynamic balance were higher in elderly men than in young men, while in young and elderly women, no significant differences in the values of these coefficients were revealed. In young men, coefficients a2 and b2 were lower than in young women, while in elderly subjects, the sex differences in these coefficients were leveled. Young men have lower stability markers than women, while in elderly subjects, these stability markers were similar in men and women. No significant age and sex differences in the level of perfusion of the symmetrical temporal regions were found. The results attest to low stability of MCR in young men in comparison with young women and similar stability in old age, which, apparently, can be explained by the influence of sex hormones on the regulation of human cardiovascular functions.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":"579-583"},"PeriodicalIF":0.9,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142342087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Methods for Fixing Biofilms of Staphylococcus aureus and Salmonella enterica for Microscopic Examination 固定金黄色葡萄球菌和肠炎沙门氏菌生物膜以便进行显微镜检查的方法
IF 0.7 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-08-03 DOI: 10.1007/s10517-024-06174-0
A. E. Grigor’eva, A. V. Tupitsyna, A. V. Bardasheva, E. S. Ryabova, E. I. Ryabchikova
{"title":"Methods for Fixing Biofilms of Staphylococcus aureus and Salmonella enterica for Microscopic Examination","authors":"A. E. Grigor’eva, A. V. Tupitsyna, A. V. Bardasheva, E. S. Ryabova, E. I. Ryabchikova","doi":"10.1007/s10517-024-06174-0","DOIUrl":"https://doi.org/10.1007/s10517-024-06174-0","url":null,"abstract":"<p>Different methods for fixing biofilms of <i>Staphylococcus aureus</i> and <i>Salmonella enterica</i> for light and electron microscopy were compared. Paraformaldehyde fixation did not preserve biofilm integrity during dehydration; Ito—Karnovsky fixation revealed cell morphology, but did not preserve the matrix. Ruthenium red combined with aldehydes allowed the matrix to be preserved and visualized. An analysis of the ultrastructure of <i>S. aureus</i> and <i>S. enterica</i> cells in biofilms and suspensions at various fixations is presented. The ultrastructure of the biofilm matrix has been described.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":"37 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141883215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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