1.Growth and Development of Atractylodes chinensis and Microecological Response of Cultivated Soil Mediated by Two Microbial Fertilizers
Xuewei LIU ; Chunping XIAO ; Lili WENG ; Zhaoyang LI ; Xinxing HU ; Bo LIU
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(18):157-165
ObjectiveThe effects of two microbial fertilizers (Bacillus subtilis fertilizer and Trichoderma harzianum-Purpureocillium lilacinum compound fertilizer) on the growth and development, the accumulation of active ingredients, and the microbial community diversity of rhizosphere soil of Atractylodes chinensis were investigated. MethodsA field experiment was carried out with two-year-old Atractylodes chinensis as the test material. Plant samples were collected during the wilt stage (September 26, 2023) to determine the general agronomic traits of Atractylodes chinensis. High-performance liquid chromatography (HPLC) was utilized to evaluate the effects of microbial fertilizers on the synthesis and accumulation of four active ingredients (atractylodin, atractylon, β-eudesmol, and atractylenolide Ⅰ) in Atractylodes chinensi. PacBio Sequel sequencing technology was used to explore the differences in bacterial community structures and diversity in the rhizosphere soil of Atractylodes chinensis treated with different microbial fertilizers. ResultsThe two microbial fertilizers had significant growth-promoting effects on Atractylodes chinensis. Compared with those of the CK group, the stem diameter, stem and leaf dry and fresh weight, and rhizome dry and fresh weight of Atractylodes chinensis significantly increased by 0.47-1.07 times (P<0.05) after the application of the Bacillus subtilis fertilizer (16 kg/667 m2), and those significantly increased by 0.62-0.96 times (P<0.05) after the application of the Trichoderma harzianum-Purpureocillium lilacinum compound fertilizer (1.5 kg/667 m2). The effect on plant height was not significant. The application of two microbial fertilizers was beneficial to the accumulation of atractylodin, atractylon, β-eudesmol, and atractylenolide Ⅰ (P<0.01), and the effect of the Bacillus subtilis fertilizer on the accumulation of active ingredients of Atractylodes chinensis was better than that of the Trichoderma harzianum-Purpureocillium lilacinum compound fertilizer. The results of high-throughput sequencing showed that compared with the CK group, the Bacillus subtilis fertilizer (8 kg/667 m2) could significantly increase the diversity of rhizosphere bacterial species by regulating the Simpson index and Shannon index (P<0.05), and the Trichoderma harzianum-Purpureocillium lilacinum compound fertilizer significantly reduced the bacterial diversity (P<0.05). The relative abundance of dominant bacteria was compared at the phylum and genus levels. The relative abundance of Proteobacteria (45.73%) and Burkholderia_Caballeronia_Paraburkholderia (9.98%) significantly increased after the application of the Bacillus subtilis fertilizer (P<0.01), and the relative abundance of Acidobacteriota (20.53%) and Sphingomonas (3.63%) increased significantly (P<0.01) after the application of the Trichoderma harzianum-Purpureocillium lilacinum compound fertilizer. The relative abundance of beneficial bacteria in the Bacillus subtilis fertilizer was slightly higher than that in the Trichoderma harzianum-Purpureocillium lilacinum compound fertilizer. Pearson correlation analysis showed that Burkholderia_Caballeronia_Paraburkholderia and Sphingomonas were positively correlated with the content of atractylodin, atractylon, β-eudesmol, and atractylenolide Ⅰ (P<0.05). ConclusionThe application of the Bacillus subtilis fertilizer and Trichoderma harzianum-Purpureocillium lilacinum compound fertilizer can increase the yield of medicinal materials and promote the synthesis and accumulation of active ingredients by regulating the rhizosphere microecological diversity of Atractylodes chinensis, and the application effect of the Bacillus subtilis fertilizer is better than that of the Trichoderma harzianum-Purpureocillium lilacinum compound fertilizer.
2.Application progress of remimazolam in general anesthesia
Sitong ZHANG ; Ni WANG ; Zhaoyang XIAO
The Journal of Clinical Anesthesiology 2024;40(7):751-756
Remimazolam is a new type of ultra-short-acting benzodiazepine,which has the advanta-ges of rapid onset,rapid metabolism,no accumulation,stable hemodynamics,light respiratory inhibition,independent of liver and kidney metabolism,inactive metabolites,and rapid antagonism by specific antago-nist flumazenil.Due to its functional characteristics,remazolam is extensively utilized in painless endoscopic procedures,sedation in intensive care units,and regional block anesthesia assisted sedation.Currently,the utilization of remazolam in general anesthesia is on the rise,with numerous studies confirming its safety and efficacy in the induction and maintenance of general anesthesia.This article reviews the pharmacological properties of remimazolam and its clinical studies progress on induction and maintenance of general anesthe-sia,and provides reference for its clinical anesthesia application.
3.Correlation between intraoperative central venous pressure and acute kidney injury in patients un-dergoing off-pump coronary artery bypass surgery
Zhihe ZENG ; Lin LI ; Jia ZHENG ; Zhaoyang XIAO
The Journal of Clinical Anesthesiology 2024;40(10):1046-1051
Objective To investigate the relationship between intraoperative central venous pressure(CVP)and postoperative acute kidney injury(AKI)in off-pump coronary artery bypass grafting(OPCABG).Methods A retrospective analysis was conducted,collecting clinical data from patients who underwent OPCABG at the General Hospital of Northern Theater Command of the Chinese People's Liberation Army between 2018 and 2021,and at the Second Affiliated Hospital of Dalian Nedical University between 2019 and 2022.Preoperative,intraoperative,and postoperative data were gathered using electronic medical record and anesthesia systems.The patients were divided into two groups according to whether AKI occurred within 7 days after surgery:AKI group and non-AKI group.The receiver operating characteristic(ROC)curve of intraoperative average CVP and postoperative AKI was plotted to determine the optimal cut-off value of intraoperative average CVP.Multivariate logistic regression analysis was used to assess the corre-lation between intraoperative average CVP and postoperative AKI.Results AKI occurred in 400 patients(34.9%).Compared with the non-AKI group,the age was older(P<0.05),the BMI and serum creati-nine levels,the proportion of insulin therapy among patients with preoperative hypertension and diabetes,the average CVP,and the incidence of acute hypotensive episodeswas higher(P<0.05),the intraoperative urine output was significantly reduced(P<0.05),and the duration of hypotension was lon-ger(P<0.05)in the AKI group.After fully adjusting for demographics,preoperative comorbidities,and intraoperative variables such as medication use and other covariates,each 1 mmHg increase in intraoperative average CVP was associated with a 1.47-fold increase in the odds of developing AKI(OR=1.47,95%CI 1.36-1.59,P<0.001).The ROC curve identified 10.11 mmHg as the optimal cutoff value for intraopera-tive average CVP.Patients with an intraoperative average CVP≥10.11 mmHg had a 4.14-fold higher risk of developing postoperative AKI compared to those with CVP<10.11 mmHg.Conclusion Elevated intrao-perative average CVP(≥10.1 mmHg)is independently associated with a higher risk of postoperative AKI in OPCABG.
4.Practical exploration of comprehensive goal management and deep integration of party branches in public hospitals:a case study of sun yat-sen university cancer prevention and treatment center
Ying XIAO ; Zhaoyang WEN ; Ning ZHANG ; Luxian CHANG ; Runting LU
Modern Hospital 2024;24(10):1500-1503
As the main body of the national healthcare service system,public hospitals play a crucial role in implemen-ting the Healthy China strategy.Therefore,promoting the deep integration of Party building and business operations has become an inevitable trend for public hospitals in the new era to strengthen Party work and achieve high-quality development.The Sun Yat-sen University Cancer Prevention and Treatment Center focuses on the requirements of grassroots Party building,emphasizing the top-level design and refined management of the comprehensive goal management system of Party branches.Through scientific and effective comprehensive goal management,it harnesses high-quality Party building to lead the high-quality development of public hospitals.This study actively explores effective pathways for the deep integration of Party building and business operations in public hospitals,providing insights and references for promoting high-quality development in these institutions.
5.Exploration of smart Party building information platform development in university-affiliated hospitals in the new situations:a case study with Sun Yat-sen University Cancer Center
Runting LU ; Zhaoyang WEN ; Ning ZHANG ; Ying XIAO
Modern Hospital 2024;24(11):1687-1690,1693
With the rapid development of information technology and the advent of the big data era,promoting smart Par-ty building has gradually become an inevitable trend and important approach for strengthening the Party building effort in public hospitals in the new era.Sun Yat-sen University Cancer Center,focusing on the requirements of grassroots Party building and in-tegrating the characteristics of Party building work in university-affiliated hospitals,has innovatively developed a smart Party building information platform suitable for the ecosystem of public hospital Party building.The platform's functional modules are designed based on the closed-loop process of Party building work assessment,which includes"task issuance-execution-evalua-tion-rectification".It has been found that the orderly construction of the smart Party building information platform has signifi-cantly contributed to enhancing the standardization of Party branch construction,facilitating burden reduction and empowerment of grassroots organizations,and strengthening the leading role of Party building work.This initiative serves as a viable practical ex-ample for the intelligent operation of hospital Party building work and spurs continuous innovation and high-quality development in party building efforts in university-affiliated hospitals.
6.Effects of long-term exposure to new types of light emitting diode sources on neurobehavior of rats
Fengrong LU ; Zhaoyang FENG ; Yihua SHI ; Guoliang LI ; Jiewei ZHENG ; Yuli ZENG ; Xiangrong SONG ; Xiao ZHANG ; Hongling LI ; Lihai ZENG ; Zhiwei XIE ; Jin WU ; Wenliang ZHOU ; Hailan WANG
China Occupational Medicine 2024;51(6):614-621
Objective To investigate the effects of long-term exposure to three new types of light emitting diode (LED) sources on the behavior, learning, and memory of rats. Methods A total of 160 specific pathogen-free SD rats were divided into eight groups as followed, trichromatic fluorescent lamps color temperature control group, violet-chip full-spectrum white LED group, blue-chip white LED group, and blue-chip full-spectrum white LED group based on the light sources types, with color temperature of 4 000 K and 6 500 K groups in each group using the 4×2 factorial design. There were 20 rats in each group, with half of the rats were males and half females. Rats were exposed to artificial lighting, and the illumination was set at 750 lx. The rats in each group were exposed to different lighting environments for 12 hours per day for 24 weeks. The open-field and step-down tests were conducted in rats after 24 weeks exposure, followed by sacrifice of rats and measurement of organ coefficients. Differences in body weight, organ coefficients, and neurobehavioral indexes of rats in different groups were compared. Results The spleen coefficient of female rats decreased in blue-chip white LED of 6 500 K color temperature group, and the liver coefficient of male rats decreased in the violet-chip full-spectrum white LED of 4 000 K color temperature, blue-chip full-spectrum white LED of 4 000 K color temperature, and blue-chip full-spectrum white LED of 6 500 K color temperature groups, compared with the same-sex rats in trichromatic fluorescent lamps with same-color temperature control group (all P<0.05). The result of different types of light sources compared in the open-field test showed that the index of total distance and movement speed of female rats in the blue-chip full-spectrum white LED group were lower than those in the other three groups, and the time cost to the central area was longer than that in the blue-chip white LED group and the violet-chip full-spectrum white LED group (all P<0.05). The total distance and movement speed of male rats in the blue-chip full-spectrum white LED group were longer or higher than those in the violet-chip full-spectrum white LED group (all P<0.05). Based on the comparison of color temperature, the time and total distance of male rats in 6 500 K color temperature group were lower than that in the 4 000 K color temperature group (both P<0.05). In the step-down test, both male and female rats in the blue-chip full-spectrum white LED group made more errors compared with other three groups with the same gender (all P<0.05). Conclusion Based on the experimental conditions of this study, the blue-chip full-spectrum white light LED affects behavior, learning and memory of the rats, and trichromatic fluorescent lamp has the lowest effect on neurobehavior. The color temperature also affects behavior of the rats, and high color temperature has higher risk.
7.Effect of vitamin K 2 on traumatic brain injury and the relationship with NLRP3 inflammasomes in rats
Shouxin LI ; Xiuli ZHAI ; Ning DING ; Zhaoyang XIAO
Chinese Journal of Anesthesiology 2022;42(3):338-341
Objective:To evaluate the effect of vitamin K 2 on traumatic brain injury (TBI) and the relationship with nucleotide-binding oligomerization domain-like receptor family pyrin domain containing 3 (NLRP3) inflammasomes in rats. Methods:Thirty-six SPF healthy male Sprague-Dawley rats, weighing 280-300 g, were divided into 3 groups ( n=12 each) by a random number table method: sham operation group (group Sham), group TBI and TBI plus vitamin K 2 group (group TBI+ VK 2). The TBI model was developed using modified Feeney′s method.In TBI+ VK 2 group, vitamin K 2 400 mg/kg (dissolved in dimethyl sulfoxide) was intraperitoneally injected at 30 min after developing TBI model.The equal volume of dimethyl sulfoxide was intraperitoneally injected in group Sham and group TBI.The modified neurological severity score (mNSS) was measured and open field tests were performed at 24 h after development of TBI.The rats were sacrificed after the end of behavioral testing, and brains were obtained for measurement of brain water content (by wet-dry weight method), percentage of brain injury volume (by TTC assay), contents of interleukin-1β (IL-1β), IL-18 and caspase-1 in cortex on the injured side (by enzyme-linked immunosorbent assay) and expression of NLRP3, caspase-1 and IL-18 in cortex on the injured side (by Western blot). Results:Compared with group Sham, the mNSS score was significantly increased, the total distance travelled was reduced, the time spent in the central zone was shortened, the brain water content and percentage of brain injury volume were increased, the contents of IL-1β, IL-18 and caspase-1 in cortex on the injured side were increased, and the expression of NLRP3, caspase-1 and IL-18 was up-regulated in group TBI ( P<0.05 or 0.01). Compared with group TBI, the mNSS score was significantly decreased, the total distance travelled was increased, the time spent in the central zone was prolonged, the brain water content and percentage of brain injury volume were decreased, the contents of IL-1β, IL-18 and caspase-1 in cortex on the injured side were decreased, and the expression of NLRP3, caspase-1 and IL-18 was down-regulated in group TBI+ VK 2 ( P<0.05 or 0.01). Conclusions:Vitamin K 2 can reduce TBI, and the mechanism may be related to inhibition of the activation of NLRP3 inflammasomes in rats.
8.Investigation of attitudes toward death and hospice care in nursing students before internship
Wenli XIAO ; Chun LI ; Zhaoyang DONG ; Lu SONG ; Bing LI ; Min CAI ; Yongmei LU
Chinese Journal of Medical Education Research 2020;19(1):106-110
Objective:To investigate nursing students' attitudes toward death and hospice care before they start clinical practice, analyze the correlation between the two attitudes and compare their differences in junior and regular nursing college students.Methods:A cross-sectional study was adopted to investigate the attitudes toward death and hospice care in 232 senior nursing students at school. Instruments included the Chinese version of the Death Attitude Profile-Revised (DAP-R) and the Chinese version of the Frommelt Attitude Toward Care of the Dying Scale-Form B (FATCOD-B). Pearson correlation analysis and independent t-test were used to analyze the data.Results:The mean scores of the 5 dimensions of death attitude were neutral acceptance (4.10±0.43), fear of death (2.76±0.66), death avoidance (2.73±0.74), approach acceptance (2.61±0.58), and escape acceptance (2.48±0.75), respectively. The total score of hospice care attitude was (107.63±8.45), which was negatively correlated with fear of death ( r=-0.247, P<0.01), death avoidance ( r=-0.278, P<0.01), and escape acceptance ( r=-0.145, P<0.05) scores and positively correlated with neutral acceptance score ( r=0.405, P<0.01). The death avoidance score of regular nursing college students was significantly lower than that of junior nursing college students ( t=-2.043, P<0.05), and the hospice care attitude score of regular nursing college students was significantly higher that of junior nursing college students ( t=2.639, P<0.01). Conclusion:There is a big room to improve nursing students' attitudes toward death and hospice care. Strengthening end-of-life care education is imperative.
9.The role of adenosine deaminase acting on RNA in the remission of aggression behavior in socially isolated mice and the mechanism of 5-serotonin-2C receptor
Xiaonan ZHANG ; Weizhi YU ; Ying XUE ; Hong XU ; Wei YAN ; Huairui LI ; Xiuli ZHAI ; Jinying LI ; Ye GAO ; Lin GUI ; Deqin YU ; Zhaoyang XIAO ; Yiyuan TANG ; Shengming YIN
Chinese Journal of Behavioral Medicine and Brain Science 2020;29(3):193-199
Objective:To investigate the effect of adenosine deaminase acting on RNA 1 (ADAR1) on 5-serotonin-2c receptor in alleviating aggression in socially isolated mice.Methods:Sixty healthy male BALB / c mice aged 21 days were randomly divided into six groups: social isolation group, social control group, ADAR1 inducer social isolation group, ADAR1 inhibitor social isolation group, ADAR1 inducer social control group and ADAR1 inhibitor control group.The mice fed in single cage for 4 weeks were used as social isolation model while the mice fed in group were used as control group.ADAR1 inducer (5.0×10 4 U/kg) and inhibitor (10 mg/kg) were given intraperitoneally to mice in the ADAR1 inducer social isolation group and the ADAR1 inhibitor social isolation group respectively.The aggressive behavior of mice was evaluated by resident-intruder test.The expression of ADAR1 and 5-serotonin-2c receptors in the brain of mice was detected by immunohistochemistry and Western blot. Results:The attack latency of social isolation group was significantly lower than that of social control group ((43.15±6.99) s, (542.40±30.50) s; t=15.906, P<0.01), and the latency of attack ((256.70±29.49) s) in the ADAR1 inducer social isolation group was significantly higher than that in the social isolation group ( t=7.046, P<0.01). The latency of attack ((15.25±2.18)s) in the ADAR1 inhibitor social isolation group was significantly lower than that in the social isolation group ( t=3.809, P<0.01). The optical density of ADAR1 immunoreactive cells in the amygdala of the social isolation group mice was significantly lower than that in the corresponding brain area of the social control group (BLA: (0.038±0.002), (0.074±0.004); LaDL: (0.033±0.002), (0.060±0.002); LaVM: (0.045±0.003), (0.073±0.004); Lavl area: (0.044±0.003), (0.070±0.003); t=8.428, 9.037, 6.462, 5.698, all P<0.01). The optical density of ADAR1 immunoreactive positive cells in the amygdala (BLA: (0.060±0.003), LaDL: (0.042±0.002), LaVM: (0.056±0.004), Lavl: (0.054±0.003) in the ADAR1 inducer social isolation group was significantly higher than those in the corresponding brain area of the social isolation group mice ( t=6.055, 2.876, 2.312, 2.492; all P<0.05). The expression of ADAR1 protein and 5-serotonin-2c receptor protein in amygdala of social isolation group were significantly lower than those of social isolation group ( t=11.37, 12.65; P<0.01). The expression of ADAR1 protein and 5-serotonin-2c receptor protein in the amygdala of the ADAR1 inducer social isolation group were significantly higher than those of the social isolation group ( t=3.02, 4.401; P<0.05). Conclusion:ADAR1 inducer alleviates the aggressive behavior of social isolated BALB / c mice by enhancing the protein expression of 5-serotonin-2c receptor in the amygdala of social isolated BALB/c mice.
10.Non-weight-bearing area osteotomy of lateral tibial condyle in treating posterior-lateral condyle fracture of tibial plateau
Yongfeng HUO ; Zhaoyang YIN ; Gang XU ; Guangxue GU ; Leiming LI ; Jiewen YU ; Xiao SUN
Chongqing Medicine 2018;47(7):919-922,925
Objective To explore the clinical curative effects of non-weight-bearing area osteotomy of anterior lateral tibial condyle in treating posterior-lateral condyle fracture of tibial plateau.Methods A retrospective analysis was carried out on 24 cases of posterior-lateral condyle fracture of tibial plateau treated by osteotomy of anterior lateral tibial condyle in this hospital from December 2012 to December 2015,including 15 males and 9 females,aged 26-59 years old with an average age of 42.2 years old.Fracture Schatker classification:type Ⅱ in 16 cases,type Ⅴ in 3 cases and type Ⅵ in 5 cases.All 24 cases adopted surgical treatment via the approach of anterior lateral tibial condyle.During operation,the non-bearing area of lateral tibial condyle was cut to expose and reset the posterior-lateral fractured condyle and fix it with lateral raft steel plate.At the time of last follow-up,the recovery of the knee joint function was evaluated according to the knee scoring system of Hospital for Special Surgery (HSS) in USA.Results Twenty-four patients were postoperatively followed up for 12-24 months,with an average of 13.1 months.The Rasmussen score for the postoperative immediate fracture reduction quality averaged (17.3 ± 0.8)points;there were 19 cases of excellent results and 5 cases of good results,with the excellent and good rate of 100 %.Twenty-four cases had no incision infection,no internal fixation loosening or breakage.The X ray film showed that the fracture got healing,and the average healing time was (13.1 ± 1.1) weeks(12-15 weeks).No surgery related complications including blood vessel and nerve damage occurred;2 cases appeared small area of superficial necrosis at the edge of the posterior incision,which was healed after dressing.At the last follow-up,the HSS knee score was(93.0±6.4) points,excellent in 19 cases,good in 4 cases,and fair in 1 case,with the excellent and good rate of 95.8%.Conclusion For the patients with posterior-lateral condyle fracture of tibial platform,non-weight-bearing area osteotomy approach of lateral tibial condyle allows enough space to directly expose the fracture area and carry out operation;combined with lateral raft locking steel plate fixation is more reliableto fixthe fractured bone,with convenient operation positioning,good postoperative functional recovery,fewer complications,and satisfied curative effects.

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