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Effects of a Short-Term High-Fat Diet on Microbiota Biodiversity of the Small and Large Intestines of C57BL/6SPF Mice. 短期高脂饮食对 C57BL/6SPF 小鼠大小肠微生物群生物多样性的影响
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-11-22 DOI: 10.1007/s10517-024-06275-w
A A Zabolotneva, T A Laskina, D N Kharchev, A V Shestopalov
{"title":"Effects of a Short-Term High-Fat Diet on Microbiota Biodiversity of the Small and Large Intestines of C57BL/6SPF Mice.","authors":"A A Zabolotneva, T A Laskina, D N Kharchev, A V Shestopalov","doi":"10.1007/s10517-024-06275-w","DOIUrl":"https://doi.org/10.1007/s10517-024-06275-w","url":null,"abstract":"<p><p>Long-term high-fat diet (HFD) promotes the formation of excess body weight and disorders of lipid metabolism and causes persistent dysbiotic changes in the intestinal microbial community. Changes in eating behavior, endocrine and immune functions of the host are associated with changes in the structure and functional activity of microbial communities. Short-term HFD may also influence the composition and function of the intestinal microbiota, but data on this issue are limited, and most papers are focused on the study of the large intestinal microbiota. The present study examined the effect of short-term HFD (4 weeks) on the structure of microbial communities in the small and large intestines of 24 mice. High-throughput metagenomic sequencing was performed on 48 samples of small and large intestine contents. It was revealed that short-term HFD in mice contributed to impaired glucose tolerance and increased the diversity of microbiota in the colon, but not of the small intestine, and also led to changes in the representation of certain microbial taxa (in particular Tenericutes and Verrucomicrobia). Furthermore, short-term HFD increased blood glucose levels compared to control mice (fed a normal diet), but did not affect lipid metabolism. The results will help to assess the contribution of environmental factors to the structure of microbial communities of the small and large intestines and may also be useful for correcting dysbiotic conditions, including when prescribing therapeutic diets (for example, a ketogenic diet).</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142686107","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
Ischemia-Modified Albumin and Antioxidant Capacity of Blood Serum in Normal Pregnancy and Preeclampsia. 正常妊娠和子痫前期血清中的缺血修饰白蛋白和抗氧化能力
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-11-22 DOI: 10.1007/s10517-024-06280-z
Yu O Teselkin, I V Babenkova, S Yu Lebedeva, Yu V Vykhristyuk, R I Shalina, V Yu Titov, M A Kurtser, Yu A Vladimirov, A N Osipov
{"title":"Ischemia-Modified Albumin and Antioxidant Capacity of Blood Serum in Normal Pregnancy and Preeclampsia.","authors":"Yu O Teselkin, I V Babenkova, S Yu Lebedeva, Yu V Vykhristyuk, R I Shalina, V Yu Titov, M A Kurtser, Yu A Vladimirov, A N Osipov","doi":"10.1007/s10517-024-06280-z","DOIUrl":"https://doi.org/10.1007/s10517-024-06280-z","url":null,"abstract":"<p><p>A comparative study of oxidative stress markers (ischemia-modified albumin (IMA) and the blood serum antioxidant capacity) in normal pregnancy and preeclampsia was carried out. The IMA level and blood serum antioxidant capacity increased in the following order: healthy non-pregnant women→healthy pregnant women→patients with moderate preeclampsia→patients with severe preeclampsia (p<0.001). A significant positive correlation was revealed between blood serum antioxidant capacity and uric acid levels in all the examined groups. The results showed that oxidative stress in preeclampsia is more pronounced compared to normal pregnancy. The levels of IMA and the blood serum antioxidant capacity can be additional criteria for assessment of the severity of preeclampsia and predicting of its course.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142686126","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
Association of the Genotype of TNFα with the Efficiency of the Intensive Phase of Chemotherapy and Formation of the Sizes of Destruction Cavities in Patients with Pulmonary Tuberculosis. TNFα基因型与肺结核患者强化化疗阶段的效率和破坏腔大小的形成的关系
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-11-22 DOI: 10.1007/s10517-024-06283-w
N P Balobanova, M A Alymenko, R Sh Valiev, N R Valiev, Ya A Safonov, V A Lipatov, A V Polonikov, V A Ragulina, G S Mal, V M Kolomiets
{"title":"Association of the Genotype of TNFα with the Efficiency of the Intensive Phase of Chemotherapy and Formation of the Sizes of Destruction Cavities in Patients with Pulmonary Tuberculosis.","authors":"N P Balobanova, M A Alymenko, R Sh Valiev, N R Valiev, Ya A Safonov, V A Lipatov, A V Polonikov, V A Ragulina, G S Mal, V M Kolomiets","doi":"10.1007/s10517-024-06283-w","DOIUrl":"https://doi.org/10.1007/s10517-024-06283-w","url":null,"abstract":"<p><p>The interrelation between the TNFα gene polymorphism and the effectiveness of the intensive phase of chemotherapy in patients with pulmonary tuberculosis, as well as the formation of diameter of the sizes of destruction cavities was studied. It was revealed that the most adverse course of the disease and a high frequency of formation of destruction cavities are associated with the GG genotype of the TNFα gene.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142686102","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
Kainate-Induced Reorganization the Dentate Gyrus of the Hippocampus Is Accompanied by Activation of Mitochondrial Fission in the Granular Layer Neurons. 凯因特诱导的海马齿状回重组伴随着颗粒层神经元线粒体裂变的激活
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-11-22 DOI: 10.1007/s10517-024-06289-4
D N Voronkov, A V Egorova, E N Fedorova, M S Ryabova, A K Pavlova, A V Stavrovskaya, V S Sukhorukov
{"title":"Kainate-Induced Reorganization the Dentate Gyrus of the Hippocampus Is Accompanied by Activation of Mitochondrial Fission in the Granular Layer Neurons.","authors":"D N Voronkov, A V Egorova, E N Fedorova, M S Ryabova, A K Pavlova, A V Stavrovskaya, V S Sukhorukov","doi":"10.1007/s10517-024-06289-4","DOIUrl":"https://doi.org/10.1007/s10517-024-06289-4","url":null,"abstract":"<p><p>The reorganization of the dentate gyrus of the hippocampus and changes in mitochondrial fission were evaluated using the kainate model of temporal lobe epilepsy. In 28 days after administration of 0.5 μg kainic acid, disturbances in the distribution of neuronal precursors in the subgranular zone of the hippocampus, thickening of the granular layer, and an increase in the content of synaptophysin in the molecular layer were detected. The observed changes were accompanied by an increase in the content of mitochondrial fission regulator protein Drp1 (dynamin related protein) and modification of the mitochondrial network in granular neurons of the dentate gyrus. These observations indicate a significant role of Drp1 in pathological rearrangements of the hippocampus during epileptogenesis and allow considering it as a potential target for pharmacological agents.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142686141","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
The Study of Effectiveness of Combined Proton-Neutron Irradiation of Tumor Cells In Vitro. 质子-中子联合辐照体外肿瘤细胞的有效性研究
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-11-22 DOI: 10.1007/s10517-024-06285-8
S N Koryakin, M V Troshina, E V Koryakina, V I Potetnya, A A Pichkunova, V O Saburov, E I Kazakov, A A Lychagin, S A Ivanov, A D Kaprin, V I Zverev, A Yu Presnyakov
{"title":"The Study of Effectiveness of Combined Proton-Neutron Irradiation of Tumor Cells In Vitro.","authors":"S N Koryakin, M V Troshina, E V Koryakina, V I Potetnya, A A Pichkunova, V O Saburov, E I Kazakov, A A Lychagin, S A Ivanov, A D Kaprin, V I Zverev, A Yu Presnyakov","doi":"10.1007/s10517-024-06285-8","DOIUrl":"https://doi.org/10.1007/s10517-024-06285-8","url":null,"abstract":"<p><p>Combined proton-neutron therapy can be the best opportunity for neutron radiation therapy due to highly conformal proton irradiation and high relative biological effectiveness of neutrons. The study compares 4 schemes of sequential in vitro exposure of Chinese hamster fibrosarcoma cells B14-150 to 14.5 MeV neutrons and a scanning beam of protons. Treatment efficiency increased with increasing the contribution of the neutron component to the total dose from 30 to 40% and the delivery of the neutron dose as the first fraction in the two-fraction proton-neutron exposure.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142686189","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
Features of Stress-Induced Changes in Heart Rate Variability During Blockade of Central and Stimulation of Peripheral Serotonin and Dopamine Receptors in Rats. 阻断大鼠中枢羟色胺和多巴胺受体及刺激外周羟色胺和多巴胺受体时压力诱发的心率变异性变化的特征
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-11-22 DOI: 10.1007/s10517-024-06279-6
E V Kuryanova, V O Stupin, A V Tryasuchev
{"title":"Features of Stress-Induced Changes in Heart Rate Variability During Blockade of Central and Stimulation of Peripheral Serotonin and Dopamine Receptors in Rats.","authors":"E V Kuryanova, V O Stupin, A V Tryasuchev","doi":"10.1007/s10517-024-06279-6","DOIUrl":"https://doi.org/10.1007/s10517-024-06279-6","url":null,"abstract":"<p><p>The dynamics of heart rate variability (HRV) during acute stress was studied in male nonlinear rats that received single injection of serotonin (200 μg/kg) or dopamine (60 μg/kg), regular (4-fold) injections of central serotonin receptor blockers (ketanserin and granisetron, 0.1 mg/kg each) or central dopamine receptor blockers (0.1 mg/kg SCH-23390 and 10 mg/kg sulpiride), as well as a combination of central receptor blockers with the administration of serotonin or dopamine, respectively. During stress against the background of serotonin receptors blockade, a weak tachycardia, low stress index, high rhythm variability, especially in the low-frequency range were recorded; against the background of dopamine receptors blockade, increased reactivity to stress at high HR, an initial increase in the stress index, and a decrease in rhythm variability, followed by an increase in the proportion of very low frequency waves in the spectrum were revealed. Serotonin and dopamine, by stimulating peripheral receptors, predominantly weakened stress-induced changes in HRV (especially serotonin), but in combination with blockade of the corresponding central receptors contributed to maintaining tachycardia, reduced rhythm variability, and potentiated the effects of blockers in relation to stress induced changes in the wave structure of the HRV spectrum. We believe that central and peripheral serotoninergic and dopaminergic structures are involved in the formation of HRV by modulating the activity of components of the autonomous and central circuits of HR regulation, respectively.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142686117","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
Modeling of Isoproterenol-Induced Chronic Heart Failure in 24-Month-Old Rats. 异丙肾上腺素诱发 24 个月大鼠慢性心力衰竭的模型试验
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-11-22 DOI: 10.1007/s10517-024-06277-8
T Yu Rebrova, V A Korepanov, I V Stepanov, S A Afanasiev
{"title":"Modeling of Isoproterenol-Induced Chronic Heart Failure in 24-Month-Old Rats.","authors":"T Yu Rebrova, V A Korepanov, I V Stepanov, S A Afanasiev","doi":"10.1007/s10517-024-06277-8","DOIUrl":"https://doi.org/10.1007/s10517-024-06277-8","url":null,"abstract":"<p><p>The development of chronic heart failure (CHF) was induced in 24-month-old male Wistar rats weighing 550-600 g by 4 subcutaneous injections of isoproterenol hydrochloride (ISO) at a dose of 10 mg/kg with 3-day intervals. The control group received injections of saline. The rats were euthanized 60 days after the last ISO/saline injection. The mortality rate in the group of rats with CHF was 30%. Histological studies showed morphological changes in the myocardium, kidneys, and lungs typical of CHF. The presented scheme of ISO administration can be used for modeling CHF in 24-month-old rats.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142686144","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
Functional Assessment of Rat Sciatic Nerve Regeneration Using a Nerve Conduit Based on Ion Exchange Membrane. 利用基于离子交换膜的神经导管对大鼠坐骨神经再生进行功能评估
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-11-22 DOI: 10.1007/s10517-024-06290-x
T V Rusinova, K I Melkonyan, R A Vinogradov, A S Asyakina, S A Knyshova
{"title":"Functional Assessment of Rat Sciatic Nerve Regeneration Using a Nerve Conduit Based on Ion Exchange Membrane.","authors":"T V Rusinova, K I Melkonyan, R A Vinogradov, A S Asyakina, S A Knyshova","doi":"10.1007/s10517-024-06290-x","DOIUrl":"https://doi.org/10.1007/s10517-024-06290-x","url":null,"abstract":"<p><p>The problem with modern nerve conduits is inability to transmit nerve impulses to the distal part of the damaged nerve. Cationic conductivity is a necessary characteristic of the nerve conduit ensuring effective regeneration of the peripheral nerves. We performed a functional assessment of the regeneration of rat sciatic nerve using a nerve conduit based on an ion-exchange membrane. A sciatic nerve defect was experimentally simulated in Wistar rats with further implantation of the LF-4SK membrane. On days 60 and 90 after surgery, the sciatic functional index and the ratio of the shin girth of the operated limb to the intact limb were calculated; on day 90, an electrophysiological assessment of nerve recovery was carried out. The results of the study showed that the conduit based on the LF-4SK membrane optimizes the functional recovery of the sciatic nerve defect.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142686120","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
Cardioprotective Effect of Selective μ2-Opioid Receptor Agonist Endomorphin-1 in Cardiac Reperfusion In Vivo and In Vitro. 选择性μ2-阿片受体激动剂内啡肽-1对体内和体外心脏再灌注的心脏保护作用
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-11-22 DOI: 10.1007/s10517-024-06287-6
A S Gorbunov, A V Mukhomedzyanov, S V Popov, V N Azev, L N Maslov
{"title":"Cardioprotective Effect of Selective μ<sub>2</sub>-Opioid Receptor Agonist Endomorphin-1 in Cardiac Reperfusion In Vivo and In Vitro.","authors":"A S Gorbunov, A V Mukhomedzyanov, S V Popov, V N Azev, L N Maslov","doi":"10.1007/s10517-024-06287-6","DOIUrl":"https://doi.org/10.1007/s10517-024-06287-6","url":null,"abstract":"<p><p>The effect of the selective μ<sub>2</sub>-opioid receptor agonist endomorphin-1 in reperfusion injury in male Wistar rats was studied in vivo and in vitro. The in vivo experiment included coronary artery occlusion (45 min) and reperfusion (120 min); in in vitro experiments, 45-min global ischemia of the isolated rat heart was followed by 30-min reperfusion. Endomorphin-1 was administered intravenously 5 min before in vivo reperfusion (at a dose 50 μg/kg) or added to the perfusion solution at the onset of reperfusion of the isolated heart (in a concentration of 152 nmol/liter). In vivo endomorphin-1 reduced the infarct size by 33% compared to the control group. In experiments on isolated heart, endomorphin-1 improved the contractile function during reperfusion and reduced the creatine kinase level in the coronary effluent. Hence, stimulation of cardiac μ<sub>2</sub>-opioid receptors increases heart tolerance to the pathogenic effects of reperfusion.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142686105","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
Evaluation of the Biological Properties of the Bacteriodaceae Family Using the Caco-2 Cell Line. 利用 Caco-2 细胞系评估细菌科植物的生物特性
IF 0.9 4区 医学
Bulletin of Experimental Biology and Medicine Pub Date : 2024-11-22 DOI: 10.1007/s10517-024-06281-y
I V Podoprigora, M S Das, N B Zakharzhevskaya, L I Kafarskaya, B A Efimov
{"title":"Evaluation of the Biological Properties of the Bacteriodaceae Family Using the Caco-2 Cell Line.","authors":"I V Podoprigora, M S Das, N B Zakharzhevskaya, L I Kafarskaya, B A Efimov","doi":"10.1007/s10517-024-06281-y","DOIUrl":"https://doi.org/10.1007/s10517-024-06281-y","url":null,"abstract":"<p><p>Disorders in the composition of the microbiota are often associated with pathological processes in the body. The use of new biotherapeutic drugs containing bacteria from normal microflora to correct these disorders may contribute to more effective treatment. The Bacteroidaceae family dominating in microflora is a candidate for inclusion in bacterial preparations. The adhesion properties of five bacterial strains from the Bacteroidaceae family were analyzed using the Caco-2 cell line and their effect on the transepithelial electrical resistance parameters (TEER) was assessed to determine the extent of their impact on the cell monolayer integrity. This approach allowed the selection of strain B. intestinalis 181, which was characterized by a moderate adhesion activity combined with a relatively low effect on the TEER parameter.</p>","PeriodicalId":9331,"journal":{"name":"Bulletin of Experimental Biology and Medicine","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142686113","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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