1.Reflections on the connection between traditional Chinese medicine and western medicine based on the theory of"lung governing skin and hair"
Yimeng ZOU ; Chunpu ZOU ; Xiao CHEN ; Yangzhuangzhuang ZHU ; Lin SU ; Zihang XU
Journal of Beijing University of Traditional Chinese Medicine 2024;47(1):42-48
The theory of"lung governing skin and hair"has always occupied an important position in the clinical practice of traditional Chinese medicine.However,in western medicine,the close correlation between the lungs and the skin in health and disease has not been established.The difference between these two medical views has triggered an urgent need for the scientific interpretation and clinical application of the theory of"lung governing skin and hair"in western medicine.Therefore,the purpose of this paper is to discuss the application of"lung governing skin and hair"in chinese medicine and the correlation between the lung and the skin in western medicine from the connotation and history of"lung governing skin and hair"in Chinese medicine.In addition,we will discuss the common pathologic biomarkers of lung and skin diseases in western medicine and the co-morbidities between lung and skin,with the aim to provide new ideas for the clinical diagnosis and treatment of lung and skin diseases and modern research,as well as providing a direction for the integration of the theory of"lung governing skin and hair"into the clinical practice of western medicine.
2.Clinical significance of tumor budding as a marker for predicting distant metastasis after radical gastrectomy in elderly patients
Yu JIE ; Pei WANG ; Lin YAO ; Yimeng SUN ; Wei XU ; Yue QIU ; Dapeng JIANG ; Xiaoyan WANG ; Yu FAN
Chinese Journal of Geriatrics 2024;43(3):311-316
Objective:To investigate the clinical significance of tumor budding as an indicator of postoperative distant organ metastasis after radical gastrectomy in elderly patients diagnosed with gastric cancer.Methods:The clinical and pathological data of 124 elderly patients who experienced metastasis after undergoing radical gastrectomy were retrospectively analyzed.The analysis was conducted from March 2015 to June 2022, focusing on the clinicopathological factors that influenced the occurrence of postoperative distant metastasis in these patients.Tumor budding in gastric cancer tissues was assessed using hematoxylin-eosin staining, and its clinical significance was analyzed.Results:The tumor budding grade of gastric cancer tissues showed a significant correlation with vascular invasion( χ2=6.731, P=0.009), the number of lymph node metastases( rs=0.481, P<0.001), and the time of distant metastasis( rs=-0.450, P<0.001).In the univariate analysis, factors such as tumor budding grade, tumor size, vascular invasion, postoperative chemotherapy, cancerous nodule, preoperative serum carbohydrate antigen 125, and the number of lymph node metastases were found to influence distant metastasis-free survival after radical gastrectomy in elderly patients(all P<0.05).The multifactorial analysis also indicated that tumour outgrowth grade was an important independent prognostic factor for postoperative distant metastasis in elderly gastric cancer patients( HR=3.731, P<0.001). Conclusions:The findings of this study indicate that tumor budding may serve as a potential marker for predicting distant organ metastasis in elderly patients who have undergone radical gastrectomy.This discovery holds significant clinical implications.
3.Preliminary investigation and analysis on the epidemic situation of Redondoviridae in Beijing
Jiachen ZHAO ; Yimeng LIU ; Lin ZOU ; Xiaomin PENG ; Guilan LU ; Cheng QIAN ; Shujuan CUI ; Daitao ZHANG ; Weixian SHI
Chinese Journal of Experimental and Clinical Virology 2023;37(2):135-139
Objective:To understand the epidemic situation of Redondoviridae in Beijing and analyze its epidemiologic characteristics.Methods:Pharyngeal swab samples of healthy people and patients with acute respiratory infection in Beijing, including influenza like cases and severe acute respiratory infection (SARI) cases in hospitals were collected. Real time PCR was used to detect the nucleic acid of Redondoviridae. The positive samples were amplified and sequenced to analyze their species. The age and sex distribution of patients and species distribution of Redondoviridae were obtained through statistical analysis. Multiplex PCR was used to detect other common respiratory pathogens in the positive samples of Redondoviridae in influenza like cases and SARI cases, and the pathogenicity of Redondoviridae was analyzed.Results:The positive rates of Redondoviridae in healthy people and acute respiratory infection cases were 20.48% (189/923) and 11.23% (43/390), respectively, with a statistically significant difference ( P<0.05). The positive rate of male was higher than that of female in the healthy population, and the positive rate of the elderly group was higher than that of the adult group and the underage group, with a statistically significant difference ( P<0.05). The positive rate of male patients with acute respiratory tract infection was higher than that of female patients, but there was no significant difference. The proportion of Vientovirus in the positive samples of Redondoviridae was higher than that of Brisavirus, and the difference was statistically significant ( P<0.05). Among the throat swabs of respiratory tract infection cases, 43 were positive for Redondoviridae, of whom 24 were not detected for other pathogens. Conclusions:Redondoviridae widely exists in healthy people of all age groups in Beijing, and is also found in acute respiratory infection cases. The positive rate of Redondoviridae is different in different ages and genders. Both Vientovirus and Brisavirus were detected, and the proportion of Vientovirus was significantly higher than Brisavirus.
4.Advances in the co-culture of microalgae with other microorganisms and applications.
Chang LI ; Wenxiang PING ; Jingping GE ; Yimeng LIN
Chinese Journal of Biotechnology 2022;38(2):518-530
Intense utilization and mining of fossil fuels for energy production have resulted in environmental pollution and climate change. Compared to fossil fuels, microalgae is considered as a promising candidate for biodiesel production due to its fast growth rate, high lipid content and no occupying arable land. However, monocultural microalgae bear high cost of harvesting, and are prone to contamination, making them incompetent compared with traditional renewable energy sources. Co-culture system induces self-flocculation, which may reduce the cost of microalgae harvesting and the possibility of contamination. In addition, the productivity of lipid and high-value by-products are higher in co-culture system. Therefore, co-culture system represents an economic, energy saving, and efficient technology. This review aims to highlight the advances in the co-culture system, including the mechanisms of interactions between microalgae and other microorganisms, the factors affecting the lipid production of co-culture, and the potential applications of co-culture system. Finally, the prospects and challenges to algal co-culture systems were also discussed.
Biofuels
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Biomass
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Coculture Techniques
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Flocculation
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Microalgae
5.Inhibition of miR-146a-5p and miR-8114 in Insulin-Secreting Cells Contributes to the Protection of Melatonin against Stearic Acid-Induced Cellular Senescence by Targeting Mafa
Shenghan SU ; Qingrui ZHAO ; Lingfeng DAN ; Yuqing LIN ; Xuebei LI ; Yunjin ZHANG ; Chunxiao YANG ; Yimeng DONG ; Xiaohan LI ; Romano REGAZZI ; Changhao SUN ; Xia CHU ; Huimin LU
Endocrinology and Metabolism 2022;37(6):901-917
Background:
Chronic exposure to elevated levels of saturated fatty acids results in pancreatic β-cell senescence. However, targets and effective agents for preventing stearic acid-induced β-cell senescence are still lacking. Although melatonin administration can protect β-cells against lipotoxicity through anti-senescence processes, the precise underlying mechanisms still need to be explored. Therefore, we investigated the anti-senescence effect of melatonin on stearic acid-treated mouse β-cells and elucidated the possible role of microRNAs in this process.
Methods:
β-Cell senescence was identified by measuring the expression of senescence-related genes and senescence-associated β-galactosidase staining. Gain- and loss-of-function approaches were used to investigate the involvement of microRNAs in stearic acid-evoked β-cell senescence and dysfunction. Bioinformatics analyses and luciferase reporter activity assays were applied to predict the direct targets of microRNAs.
Results:
Long-term exposure to a high concentration of stearic acid-induced senescence and upregulated miR-146a-5p and miR- 8114 expression in both mouse islets and β-TC6 cell lines. Melatonin effectively suppressed this process and reduced the levels of these two miRNAs. A remarkable reversibility of stearic acid-induced β-cell senescence and dysfunction was observed after silencing miR-146a-5p and miR-8114. Moreover, V-maf musculoaponeurotic fibrosarcoma oncogene homolog A (Mafa) was verified as a direct target of miR-146a-5p and miR-8114. Melatonin also significantly ameliorated senescence and dysfunction in miR-146a-5pand miR-8114-transfected β-cells.
Conclusion
These data demonstrate that melatonin protects against stearic acid-induced β-cell senescence by inhibiting miR-146a- 5p and miR-8114 and upregulating Mafa expression. This not only provides novel targets for preventing stearic acid-induced β-cell dysfunction, but also points to melatonin as a promising drug to combat type 2 diabetes progression.
6.Preconception reproductive health and birth outcome cohort in Chongqing: the cohort profile
Qing CHEN ; Wenzheng ZHOU ; Niya ZHOU ; Huan YANG ; Yimeng WANG ; Haiyan ZHANG ; Qiuhong LI ; Nianrong WANG ; Hongyan CHEN ; Lin AO ; Jinyi LIU ; Ziyuan ZHOU ; Hua ZHANG ; Wei ZHOU ; Hongbo QI ; Jia CAO
Chinese Journal of Epidemiology 2022;43(7):1134-1139
Birth cohort is an important platform to study the effect of early-life exposure on health outcome, but large cohorts to investigate the effect of preconception exposure, especially paternal exposure, on reproductive health and birth outcome are limited. The Preconception Reproductive Health and Birth Outcome Cohort (PREBIC) is a prospective birth cohort study which pays equal attention to the contribution of environmental, psychological, behavioral as well as other factors to reproductive health and adverse birth outcomes in both men and women in Chongqing, China. PREBIC started in 2019 and plans to recruit 20 800 reproductive-age couples with child-bearing willingness. Followed up was conducted to understand the conception status of the women within two years. Women in pregnancy would be visited at first, second, third trimesters and after delivery. The offspring would be monitored until 2 years old to understand the incidences of preterm birth, low birth weight, birth defects, neurodevelopmental disorders and other outcomes. Related information and biospecimen collections (including semen, peripheral blood, urine, placenta, umbilical cord, cord blood and oral swab) were scheduled in each period. By January 2022, PREBIC had recruited 8 698 participants from all 38 districts in Chongqing. The goal of PREBIC is to establish one of the largest prospective preconception birth cohorts covering both men and women, which might provide a unique insight to understand the effects of the full reproductive cycle on reproductive health and adverse outcomes, with especial emphasis on preconception exposures.
7.Application of associating liver partition and portal vein ligation for staged hepatectomy in unresectable hepatocellular carcinoma
Journal of Clinical Hepatology 2021;37(1):180-183
For hepatocellular carcinoma patients with insufficient residual liver volume, associating liver partition and portal vein ligation for staged hepatectomy (ALPPS) can achieve the goal of rapidly increasing residual liver volume and removing the tumor, but there are still drawbacks and uncertainties. As a new technique in the field of hepatobiliary surgery, the range of application of ALPPS has been expanded and its technique has been further improved in the past 10 years since its inception. This article summarizes the experience in implementing ALPPS in patients with hepatocellular carcinoma in China and globally, analyzes the key issues of the application of ALPPS in hepatocellular carcinoma patients, and discusses its opportunities and challenges in the era of targeted therapy and immunotherapy.
8.Sec61β facilitates the maintenance of endoplasmic reticulum homeostasis by associating microtubules.
Yimeng ZHU ; Gangming ZHANG ; Shaoyu LIN ; Juanming SHI ; Hong ZHANG ; Junjie HU
Protein & Cell 2018;9(7):616-628
Sec61β, a subunit of the Sec61 translocon complex, is not essential in yeast and commonly used as a marker of endoplasmic reticulum (ER). In higher eukaryotes, such as Drosophila, deletion of Sec61β causes lethality, but its physiological role is unclear. Here, we show that Sec61β interacts directly with microtubules. Overexpression of Sec61β containing small epitope tags, but not a RFP tag, induces dramatic bundling of the ER and microtubule. A basic region in the cytosolic domain of Sec61β is critical for microtubule association. Depletion of Sec61β induces ER stress in both mammalian cells and Caenorhabditis elegans, and subsequent restoration of ER homeostasis correlates with the microtubule binding ability of Sec61β. Loss of Sec61β causes increased mobility of translocon complexes and reduced level of membrane-bound ribosomes. These results suggest that Sec61β may stabilize protein translocation by linking translocon complex to microtubule and provide insight into the physiological function of ER-microtubule interaction.
Animals
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COS Cells
;
Caenorhabditis elegans Proteins
;
genetics
;
metabolism
;
Cell Line, Tumor
;
Cercopithecus aethiops
;
Endoplasmic Reticulum
;
metabolism
;
Homeostasis
;
Humans
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Microtubules
;
metabolism
;
SEC Translocation Channels
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deficiency
;
genetics
;
metabolism
9.Study on the correlation of SIRT3 with metabolic syndrome and myocardial hypertrophy
Yanyan MA ; Huiping GONG ; Lin ZHU ; Yimeng DU ; Yinwang ELOY
Chinese Journal of Endocrinology and Metabolism 2017;33(1):75-77
[Summary] SIRT3 is a member of the silent information regulator 2 ( Sir2) family, located in the inner mitochondrial membrane, with a strong effect of deacetylation. SIRT3 not only modulates energy metabolism, cell apoptosis, tumor growth, anti-aging etc. , but also plays an important role in the field of cardiovascular diseases. In this review, we summarize recent findings related to SIRT3 with metabolic syndrome and cardiac hypertrophy, to provide a theoretical basis for the further study on the potential role of SIRT3 in cardiovascular diseases.
10.Advances on Sirt3 in cardiovascular diseases and longevity
Lin ZHU ; Huiping GONG ; Yanyan MA ; Yinwang ELOY ; Yimeng DU
Basic & Clinical Medicine 2017;37(4):553-556
Sirt3 is a kind of nicotinamide adenine dinucleotide (NAD+)-dependent deacetylases.Sirt3 is localized in mitochondria and has been involved in a wide range of mitochondrial biological functions, such as nutrient oxidation、ATP generation, reactive oxygen species (ROS) detoxification and mitochondrial homeostasis.Sirt3 plays an important role in the occurrence and development of cardiovascular diseases.Increased expression of Sirt3 gene has been associated with extended lifespan of humans.

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