1.PES1 Repression Triggers Ribosomal Biogenesis Impairment and Cellular Senescence Through p53 Pathway Activation
Chang-Jian ZHANG ; Yu-Fang LI ; Feng-Yun WU ; Rui JIN ; Chang NIU ; Qi-Nong YE ; Long CHENG
Progress in Biochemistry and Biophysics 2025;52(7):1853-1865
ObjectiveThe nucleolar protein PES1 (Pescadillo homolog 1) plays critical roles in ribosome biogenesis and cell cycle regulation, yet its involvement in cellular senescence remains poorly understood. This study aimed to comprehensively investigate the functional consequences of PES1 suppression in cellular senescence and elucidate the molecular mechanisms underlying its regulatory role. MethodsInitially, we assessed PES1 expression patterns in two distinct senescence models: replicative senescent mouse embryonic fibroblasts (MEFs) and doxorubicin-induced senescent human hepatocellular carcinoma HepG2 cells. Subsequently, PES1 expression was specifically downregulated using siRNA-mediated knockdown in these cell lines as well as additional relevant cell types. Cellular proliferation and senescence were assessed by EdU incorporation and SA-β-gal staining assays, respectively. The expression of senescence-associated proteins (p53, p21, and Rb) and SASP factors (IL-6, IL-1β, and IL-8) were analyzed by Western blot or qPCR. Furthermore, Northern blot and immunofluorescence were employed to evaluate pre-rRNA processing and nucleolar morphology. ResultsPES1 expression was significantly downregulated in senescent MEFs and HepG2 cells. PES1 knockdown resulted in decreased EdU-positive cells and increased SA‑β‑gal-positive cells, indicating proliferation inhibition and senescence induction. Mechanistically, PES1 suppression activated the p53-p21 pathway without affecting Rb expression, while upregulating IL-6, IL-1β, and IL-8 production. Notably, PES1 depletion impaired pre-rRNA maturation and induced nucleolar stress, as evidenced by aberrant nucleolar morphology. ConclusionOur findings demonstrate that PES1 deficiency triggers nucleolar stress and promotes p53-dependent (but Rb-independent) cellular senescence, highlighting its crucial role in maintaining nucleolar homeostasis and regulating senescence-associated pathways.
2.Study on the drying processing methods of Peucedanum praeruptorum in producing area
Penghao TAN ; Yuxi CHENG ; Dongqin GUO ; Nong ZHOU
China Pharmacy 2024;35(15):1844-1848
OBJECTIVE To compare the effects of different drying processing methods in the producing area on the quality of Peucedanum praeruptorum, and screen the optimal drying processing in the producing area. METHODS P. praeruptorum was processed by traditional drying in the sun, drying in the shade, and modern drying processing methods such as electric heating and blast drying, vacuum drying, infrared drying, and vacuum freeze drying. Technique for order preference by similarity to ideal solution (TOPSIS) method was used to perform the comprehensive quality evaluation using drying rate, water content, extract content, color chroma value, and the contents of 4 coumarins as indexes. RESULTS Under different drying processing methods, the drying rates of 12 samples of P. praeruptorum were 31.56%-40.10%; the moisture contents were 6.96%-8.58%, and the extract contents were 27.56%-43.10%; the color chroma values red green degree, yellow blue degree and brightness were 1.80-7.50, 19.90- 30.20, 46.90-59.90, respectively. The contents of umbelliferolactone, praeruptorin A, praeruptorin B and praeruptorin E were ≤ 0.05, 3.70-14.05, 0.72-2.37, 0.81-3.90 mg/g, respectively; and the total contents were 5.47-19.65 mg/g. The comprehensive score of P. praeruptorum was the highest under the condition of drying at 40 ℃ by electric heating and blast . CONCLUSIONS The drying method at 40 ℃ by electric heating and blast is the first choice for P. praeruptorum in the producing area.
3.Clinical efficacy of closure operation guided by transthoracic echocardiography with simply delivery sheath for patent foramen ovale
Yong-Quan GONG ; Chao-Rong CHEN ; Wei NONG ; Tian-Cheng LU ; Cheng-Xin WEI ; Xian-Qiu WU
Journal of Regional Anatomy and Operative Surgery 2024;33(2):129-132
Objective To investigate the clinical efficacy of percutaneous closure of foramen ovale guided by transthoracic echocardio-graphy with simply delivery sheath.Methods The clinical data of patients with patent foramen ovale underwent interventional closure and percutaneous closure guided by transthoracic echocardiography with simply delivery sheath in our hospital from January 2020 to December 2022 were analyzed retrospectively,the patients were divided into interventional closure group(40 cases)and simply delivery sheath group(39 cases).The operation time,incidence of surgical complications,and surgical success rates of patients in the two groups were compared.The closure effect were evaluated by ultrasound immediately after surgery.All the patients were followed up for 6 months after surgery to evaluate remission of the symptoms.Results The surgical success rate of simply delivery sheath group(100%)was higher than that of interventional closure group(90.0%),with statistically significant difference(P<0.05).The operation time of simply delivery sheath group was longer than that of interventional closure group,with statistically significant difference(P<0.05).One patient in the interventional closure group had small amount of pericardial effusion during the operation.Two patients had decreased blood pressure and slowed heart rate in simply delivery sheath group,and symptoms disappeared after treatment.There was no significant difference in the incidence of complications between the two groups(P>0.05).After 6-month follow-up,all occluders were in good position and no residual leakage was found.The symptoms of headache or dizziness disappeared in 28 patients in interventional closure group,significantly relieved in 8 patients;the symptoms of headache or dizziness disappeared in 30 patients in simply delivery sheath group,and significantly relieved in 9 patients.Conclusion Percutaneous closure for patent foramen ovale under the guidence of transthoracic echocardiography with simply delivery sheath is safe and feasible with satisfactory efficacy and higher successful rate without radiation hazard.It is worthy of clinical promotion.
4.Current Situation of the Talent Team Construction in the Information Departments of Public Hospitals of Traditional Chinese Medicine in Guangxi
Shan LING ; Qingjiao NONG ; Guozhang HUANG ; Chaoyun LI ; Long CHENG ; Jie ZHANG
Journal of Medical Informatics 2024;45(11):67-71
Purpose/Significance The present situation of the talent team construction in the information departments of public hospi-tals of traditional Chinese medicine(TCM)in Guangxi is analyzed to provide references for optimizing the talent team construction in this field.Method/Process Taking the personnel in the information departments of secondary and above public TCM hospitals in Guangxi in 2022 as the research objects,statistical methods such as Wilcoxon rank sum test,x2 test and Spearman correlation analysis are used to an-alyze the distribution of the research objects and discuss the existing problems in talent team construction.Result/Conclusion The aver-age number of personnel in the information departments of secondary and above public TCM hospitals in Guangxi is 4.39,accounting for 0.80%of the total number of employees.The overall quantity is insufficient,and the distribution is uneven among regions and hospital levels.The talent structure of tertiary TCM hospitals is relatively better than that of secondary TCM hospitals.
5.Application and research progress of Snyder hope theory in nursing practice
Cui LI ; Guirong LI ; Dongsheng CHENG ; Liyang NONG ; Ru'nan XIE
Chinese Journal of Modern Nursing 2024;30(33):4616-4620
This paper reviews the origin, content and framework, evaluation tools, and application status of Snyder hope theory in clinical nursing practice both domestically and internationally, and explores the application prospects of Snyder hope theory, aiming to provide a basis for promoting its development in nursing.
6.Distal Mean Nocturnal Baseline Impedance Predicts Pathological Reflux of Isolated Laryngopharyngeal Reflux Symptoms
Hua-Nong LUO ; Chen-Chi WANG ; Ying-Cheng LIN ; Chun-Yi CHUANG ; Yung-An TSOU ; Ja-Chih FU ; Sheng-Shun YANG ; Chi-Sen CHANG ; Han-Chung LIEN
Journal of Neurogastroenterology and Motility 2023;29(2):174-182
Background/Aims:
Diagnosis of isolated laryngopharyngeal reflux symptoms (ILPRS), ie, without concomitant typical reflux symptoms (CTRS), remains difficult. Mean nocturnal baseline impedance (MNBI) reflects impaired mucosal integrity. We determined whether esophageal MNBI could predict pathological esophagopharyngeal reflux (pH+) in patients with ILPRS.
Methods:
In this cross-sectional study conducted in Taiwan, non-erosive or low-grade esophagitis patients with predominant laryngopharyngeal reflux symptoms underwent combined hypopharyngeal multichannel intraluminal impedance-pH monitoring when off acid suppressants. Participants were divided into the ILPRS (n = 94) and CTRS (n = 63) groups. Asymptomatic subjects without esophagitis (n = 25) served as healthy controls. The MNBI values at 3 cm and 5 cm above the lower esophageal sphincter (LES) and the proximal esophagus were measured.
Results:
Distal but not proximal esophageal median MNBI values were significantly lower in patients with pH+ than in those with pH– (ILPRS in pH+ vs pH–: 1607 Ω vs 2709 Ω and 1885 Ω vs 2563 Ω at 3 cm and 5 cm above LES, respectively; CTRS in pH+ vs pH–: 1476 vs 2307 Ω and 1500 vs 2301 Ω at 3 cm and 5 cm above LES, respectively, P < 0.05 for all). No significant differences of any MNBI exist between any pH– subgroups and healthy controls. The areas under the receiver operating characteristic curve in the ILPRS group were 0.75 and 0.80, compared to the pH– subgroup and healthy controls (P < 0.001 for both), respectively. Interobserver reproducibility was good (Spearman correlation 0.93, P < 0.0001).
Conclusion
Distal esophageal MNBI predicts pathological reflux in patients with ILPRS.
7.Great physician with absolute sincerity and carrying forward acupuncture and moxibustion: commemorating the 100th anniversary of the birth of academician
Jin-Sheng YANG ; Ying-Ying WANG
Chinese Acupuncture & Moxibustion 2021;41(8):841-844
The academician
Acupuncture Points
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Acupuncture Therapy
;
Anniversaries and Special Events
;
China
;
Humans
;
Medicine, Chinese Traditional
;
Moxibustion
;
Physicians
8.Individual mortality risk predictive system of patients with acute-on-chronic liver failure based on a random survival forest model.
Zhi-Qiao ZHANG ; Gang HE ; Zhao-Wen LUO ; Can-Chang CHENG ; Peng WANG ; Jing LI ; Ming-Gu ZHU ; Lang MING ; Ting-Shan HE ; Yan-Ling OUYANG ; Yi-Yan HUANG ; Xing-Liu WU ; Yi-Nong YE
Chinese Medical Journal 2021;134(14):1701-1708
BACKGROUND:
The basis of individualized treatment should be individualized mortality risk predictive information. The present study aimed to develop an online individual mortality risk predictive tool for acute-on-chronic liver failure (ACLF) patients based on a random survival forest (RSF) algorithm.
METHODS:
The current study retrospectively enrolled ACLF patients from the Department of Infectious Diseases of The First People's Hospital of Foshan, Shunde Hospital of Southern Medical University, and Jiangmen Central Hospital. Two hundred seventy-six consecutive ACLF patients were included in the present study as a model cohort (n = 276). Then the current study constructed a validation cohort by drawing patients from the model dataset based on the resampling method (n = 276). The RSF algorithm was used to develop an individual prognostic model for ACLF patients. The Brier score was used to evaluate the diagnostic accuracy of prognostic models. The weighted mean rank estimation method was used to compare the differences between the areas under the time-dependent ROC curves (AUROCs) of prognostic models.
RESULTS:
Multivariate Cox regression identified hepatic encephalopathy (HE), age, serum sodium level, acute kidney injury (AKI), red cell distribution width (RDW), and international normalization index (INR) as independent risk factors for ACLF patients. A simplified RSF model was developed based on these previous risk factors. The AUROCs for predicting 3-, 6-, and 12-month mortality were 0.916, 0.916, and 0.905 for the RSF model and 0.872, 0.866, and 0.848 for the Cox model in the model cohort, respectively. The Brier scores were 0.119, 0.119, and 0.128 for the RSF model and 0.138, 0.146, and 0.156 for the Cox model, respectively. The nonparametric comparison suggested that the RSF model was superior to the Cox model for predicting the prognosis of ACLF patients.
CONCLUSIONS
The current study developed a novel online individual mortality risk predictive tool that could predict individual mortality risk predictive curves for individual patients. Additionally, the current online individual mortality risk predictive tool could further provide predicted mortality percentages and 95% confidence intervals at user-defined time points.
Acute-On-Chronic Liver Failure
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Humans
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Prognosis
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Proportional Hazards Models
;
ROC Curve
;
Retrospective Studies
9.Implications, spiritual characteristics and practical significance of Chinese schistosomiasis control culture
Wei-Cheng DENG ; Yue-Sheng LI ; Xiang-Hui CHENG ; Guang-Hui REN ; Hong-Bin HE ; Yi-Biao ZHOU ; Yue-Yun ZHANG ; Ben-Jiao HU ; Han-Qiu LIU ; Shi-Kui LU ; Sheng-Ming LI ; Xiao-Nong ZHOU
Chinese Journal of Schistosomiasis Control 2020;32(3):222-224
The culture of schistosomiasis control is specific in the history of Chinese culture. Broadly speaking, the culture of schistosomiasis control is a summary of specific social mood, social consciousness and material culture created by Chinese populations during the progress of schistosomiasis control since the founding of the People’s Republic of China. Narrowly speaking, the culture of schistosomiasis control is the spiritual culture that is jointly created and nurtured by schistosomiasis control workers since the founding of the People’s Republic of China. The spiritual features of Chinese schistosomiasis control culture are characterized by the patriotism and care about the people, the matter-to-fact attitude, the pioneering and enterprising spirit, and the spirit of sacrifice and dedication. The ultimate goal of the research on the culture of schistosomiasis control is to facilitate the achievement of the strategic goal of Healthy China 2030 as scheduled, accelerate the progress towards elimination of schistosomiasis, and to promote the sustainable development of schistosomiasis control in China.
10.Challenges and countermeasures of schistosomiasis control in Hunan Province in the new era
Sheng-Ming LI ; Wei-Cheng DENG ; Xiang-Hui CHENG ; Hong-Bin HE ; Yi-Biao ZHOU ; Jie ZHOU ; Ben-Jiao HU ; Han-Qiu LIU ; Shi-Kui LU ; Yue-Sheng LI ; Xiao-Nong ZHOU ; Guang-Hui REN
Chinese Journal of Schistosomiasis Control 2020;32(3):225-229
This paper describes the current epidemic characteristics and endemic status of schistosomiasis, analyzes the main challenges of schistosomiasis control and proposes the emphasis and interventions for future schistosomiasis control activities in Hunan Province, so as to provide insights into the elimination of schistosomiasis in Hunan Province.

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