1.Singapore consensus statements on the management of obstructive sleep apnoea.
Leong Chai LEOW ; Chuen Peng LEE ; Sridhar VENKATESWARAN ; Michael Teik Chung LIM ; Oon Hoe TEOH ; Ruth CHANG ; Yam Cheng CHEE ; Khai Beng CHONG ; Ai Ping CHUA ; Joshua GOOLEY ; Hong Juan HAN ; Nur Izzianie KAMARUDDIN ; See Meng KHOO ; Lynn Huiting KOH ; Shaun Ray Han LOH ; Kok Weng LYE ; Mark IGNATIUS ; Yingjuan MOK ; Jing Hao NG ; Thun How ONG ; Chu Qin PHUA ; Rui Ya SOH ; Pei Rong SONG ; Adeline TAN ; Alvin TAN ; Terry TAN ; Jenny TANG ; David TAY ; Jade TAY ; Song Tar TOH ; Serene WONG ; Chiang Yin WONG ; Mimi YOW
Annals of the Academy of Medicine, Singapore 2025;54(10):627-643
INTRODUCTION:
Obstructive sleep apnoea (OSA) is common in Singapore, with moderate to severe OSA affecting around 30% of residents. These consensus statements aim to provide scientifically grounded recommendations for the management of OSA, standar-dise the management of OSA in Singapore and promote multidisciplinary collaboration.
METHOD:
An expert panel, which was convened in 2024, identified several areas of OSA management that require guidance. The expert panel reviewed the current literature and developed consensus statements, which were later independently voted on using a 3-point Likert scale (agree, neutral or disagree). Consensus (total ratings of agree and neutral) was set a priori at ≥80% agreement. Any statement not reaching consensus was excluded.
RESULTS:
The final consensus included 49 statements that provide guidance on the screening, diagnosis and management of adults with OSA. Additionally, 23 statements on the screening, diagnosis and management of paediatric OSA achieved consensus. These 72 consensus statements considered not only the latest clinical evidence but also the benefits and harms, resource implications, feasibility, acceptability and equity impact of the recommendations.
CONCLUSION
The statements presented in this paper aim to guide clinicians based on the most updated evidence and collective expert opinion from sleep specialists in Singapore. These recommendations should augment clinical judgement rather than replace it. Management decisions should be individualised, taking into account the patient's clinical characteristics, as well as patient and caregiver concerns and preferences.
Humans
;
Sleep Apnea, Obstructive/diagnosis*
;
Singapore
;
Consensus
;
Adult
2.Chain mediating role of family care and emotional management between social support and anxiety in primary school students.
Zhan-Wen LI ; Jian-Hui WEI ; Ke-Bin CHEN ; Xiao-Rui RUAN ; Yu-Ting WEN ; Cheng-Lu ZHOU ; Jia-Peng TANG ; Ting-Ting WANG ; Ya-Qing TAN ; Jia-Bi QIN
Chinese Journal of Contemporary Pediatrics 2025;27(10):1176-1184
OBJECTIVES:
To investigate the chain mediating role of family care and emotional management in the relationship between social support and anxiety among rural primary school students.
METHODS:
A questionnaire survey was conducted among students in grades 4 to 6 from four counties in Hunan Province. Data were collected using the Social Support Rating Scale, Family Care Index Scale, Emotional Intelligence Scale, and Generalized Anxiety Disorder -7. Logistic regression analysis was used to explore the influencing factors of anxiety symptoms. Mediation analysis was conducted to assess the chain mediating effects of family care and emotional management between social support and anxiety.
RESULTS:
A total of 4 141 questionnaires were distributed, with 3 874 valid responses (effective response rate: 93.55%). The prevalence rate of anxiety symptoms among these students was 9.32% (95%CI: 8.40%-10.23%). Significant differences were observed in the prevalence rates of anxiety symptoms among groups with different levels of social support, family functioning, and emotional management ability (P<0.05). The total indirect effect of social support on anxiety symptoms via family care and emotional management was significant (β=-0.137, 95%CI: -0.167 to -0.109), and the direct effect of social support on anxiety symptoms remained significant (P<0.05). Family care and emotional management served as significant chain mediators in the relationship between social support and anxiety symptoms (β=-0.025,95%CI:-0.032 to -0.018), accounting for 14.5% of the total effect.
CONCLUSIONS
Social support can directly affect anxiety symptoms among rural primary school students and can also indirectly influence anxiety symptoms through the chain mediating effects of family care and emotional management. These findings provide scientific evidence for the prevention of anxiety in primary school students from multiple perspectives.
Humans
;
Female
;
Male
;
Social Support
;
Anxiety/etiology*
;
Child
;
Students/psychology*
;
Emotions
;
Logistic Models
3.Ureaplasma parvum meningitis in a preterm infant: a case report and literature review
Qin TAN ; Xingxing ZHAN ; Ya HU ; Long CHEN
Chinese Journal of Perinatal Medicine 2024;27(8):680-687
Objective:To explore the clinical characteristics of neonatal ureaplasma meningitis.Methods:A retrospective analysis was conducted on the clinical manifestations, diagnosis, treatment, and follow-up of a case of ureaplasma parvum (UP) meningitis in a neonate with persistent cerebrospinal fluid (CSF) abnormalities, admitted to the Neonatology Department of the Children's Hospital of Chongqing Medical University on September 2021. Literature was searched using the keywords "neonate", "ureaplasma", and "meningitis" in databases including CNKI, Wanfang Medical Database, Yiigle, VIP Database, SinoMed, and Chinese Medical Care Repository, as well as PubMed, Embase, and Web of Science, from their inception to December 2023. The clinical characteristics of the cases obtained were analyzed in conjunction with the present case. Descriptive statistical analysis and Chi-square test (or Fisher's exact test) were used for data analysis. Results:(1) Case report: The patient was a female neonate, born at 30 +2 gestational weeks, who experienced severe asphyxia at birth and was transferred to the neonatal intensive care unit of our hospital after resuscitation involving mechanical ventilation and chest compressions at an external hospital. On the 7th day of birth, the patient developed seizures, and CSF examination indicated meningitis. Blood and CSF cultures were negative, and empirical anti-infective treatment for one month showed no significant improvement. On the 39th day of birth, metagenomics next generation sequencing (mNGS) of the CSF indicated UP positivity, confirming UP meningitis. The patient received ten weeks of quinolone antibiotics. During hospitalization, a ventriculoperitoneal shunt was performed due to hydrocephalus, and the patient was discharged after improvement. At 2 years and 1 month of follow-up, the patient had cerebral palsy (hemiplegic type) and was undergoing rehabilitation therapy. (2) Literature review: A total of 31 articles were retrieved, encompassing 46 cases, plus the present case, making a total of 47 cases. Among these, 57% (27/47) were preterm infants, 54% (22/41) were low birth weight infants (some articles did not report this item, hence the denominator is less than 47), and 76% (28/37) were born via vaginal delivery. Cases who developed symptoms within the first week accounted for 71% (24/34), and 74% (26/35) had mothers with ureaplasma infection or high-risk factors during pregnancy. The main clinical manifestations included fever [63% (20/32)], seizures or apnea/respiratory distress [each 44% (14/32)]. CSF examination mainly showed significantly elevated white blood cells [287×10 6/L (69×10 6/L-1 176×10 6/L)], decreased glucose [0.79 mmol/L (0.10-1.17 mmol/L)], and elevated protein [3.01 g/L (1.80-8.14 g/L)], with negative general bacterial cultures. CSF mNGS [30% (14/47)], CSF polymerase chain reaction [17% (8/47)], and CSF culture [66% (31/47)] were the main methods for detecting ureaplasma. Treatment primarily involved macrolide antibiotics alone [46% (16/35)] or in combination with other antibiotics [29% (10/35)]. The duration of anti-ureaplasma treatment ranged from 2 to 10 weeks. Intracranial hemorrhage and hydrocephalus were the most common neurological complications [66% (25/38) and 61% (23/38), respectively]. Among the 47 cases, 31 were infected with ureaplasma urealyticum (UU) and 15 with UP (one case was not typed). There were no significant differences in epidemiology, clinical manifestations, neurological complications, and prognosis between UP and UU meningitis. Compared to UU meningitis, a higher proportion of UP meningitis cases were treated with macrolide antibiotics [13/15 vs. 52% (14/27), χ2=5.09, P=0.024]. Among the 43 reported cases of ureaplasma meningitis with outcomes, 44% (19/43) experienced developmental delays or death. The case fatality rate of UU meningitis was higher than that of UP meningitis [39% (11/28) vs. 0/14, Fisher's exact test, P=0.007]. Conclusions:Neonatal ureaplasma meningitis lacks specific clinical manifestations and has a variable prognosis. When empirical anti-infective treatment is ineffective in infants with purulent changes in CSF, intracranial ureaplasma infection should be considered. Macrolide antibiotics alone or in combination with other antibiotics can be the first-choice treatment for ureaplasma infection.
4.Risk factors for neonatal asphyxia and establishment of a nomogram model for predicting neonatal asphyxia in Hubei Enshi Tujia and Miao Autonomous Prefecture: a multicenter study.
Fang JIN ; Yu CHEN ; Yi-Xun LIU ; Su-Ying WU ; Chao-Ce FANG ; Yong-Fang ZHANG ; Lu ZHENG ; Li-Fang ZHANG ; Xiao-Dong SONG ; Hong XIA ; Er-Ming CHEN ; Xiao-Qin RAO ; Guang-Quan CHEN ; Qiong YI ; Yan HU ; Lang JIANG ; Jing LI ; Qing-Wei PANG ; Chong YOU ; Bi-Xia CHENG ; Zhang-Hua TAN ; Ya-Juan TAN ; Ding ZHANG ; Tie-Sheng YU ; Jian RAO ; Yi-Dan LIANG ; Shi-Wen XIA
Chinese Journal of Contemporary Pediatrics 2023;25(7):697-704
OBJECTIVES:
To investigate the risk factors for neonatal asphyxia in Hubei Enshi Tujia and Miao Autonomous Prefecture and establish a nomogram model for predicting the risk of neonatal asphyxia.
METHODS:
A retrospective study was conducted with 613 cases of neonatal asphyxia treated in 20 cooperative hospitals in Enshi Tujia and Miao Autonomous Prefecture from January to December 2019 as the asphyxia group, and 988 randomly selected non-asphyxia neonates born and admitted to the neonatology department of these hospitals during the same period as the control group. Univariate and multivariate analyses were used to identify risk factors for neonatal asphyxia. R software (4.2.2) was used to establish a nomogram model. Receiver operator characteristic curve, calibration curve, and decision curve analysis were used to assess the discrimination, calibration, and clinical usefulness of the model for predicting the risk of neonatal asphyxia, respectively.
RESULTS:
Multivariate logistic regression analysis showed that minority (Tujia), male sex, premature birth, congenital malformations, abnormal fetal position, intrauterine distress, maternal occupation as a farmer, education level below high school, fewer than 9 prenatal check-ups, threatened abortion, abnormal umbilical cord, abnormal amniotic fluid, placenta previa, abruptio placentae, emergency caesarean section, and assisted delivery were independent risk factors for neonatal asphyxia (P<0.05). The area under the curve of the model for predicting the risk of neonatal asphyxia based on these risk factors was 0.748 (95%CI: 0.723-0.772). The calibration curve indicated high accuracy of the model for predicting the risk of neonatal asphyxia. The decision curve analysis showed that the model could provide a higher net benefit for neonates at risk of asphyxia.
CONCLUSIONS
The risk factors for neonatal asphyxia in Hubei Enshi Tujia and Miao Autonomous Prefecture are multifactorial, and the nomogram model based on these factors has good value in predicting the risk of neonatal asphyxia, which can help clinicians identify neonates at high risk of asphyxia early, and reduce the incidence of neonatal asphyxia.
Infant, Newborn
;
Humans
;
Male
;
Pregnancy
;
Female
;
Nomograms
;
Retrospective Studies
;
Cesarean Section
;
Risk Factors
;
Asphyxia Neonatorum/etiology*
5.Read-through circular RNA rt-circ-HS promotes hypoxia inducible factor 1α expression and renal carcinoma cell proliferation, migration and invasiveness.
Yun Yi XU ; Zheng Zheng SU ; Lin Mao ZHENG ; Meng Ni ZHANG ; Jun Ya TAN ; Ya Lan YANG ; Meng Xin ZHANG ; Miao XU ; Ni CHEN ; Xue Qin CHEN ; Qiao ZHOU
Journal of Peking University(Health Sciences) 2023;55(2):217-227
OBJECTIVE:
To identify and characterize read-through RNAs and read-through circular RNAs (rt-circ-HS) derived from transcriptional read-through hypoxia inducible factor 1α (HIF1α) and small nuclear RNA activating complex polypeptide 1 (SNAPC1) the two adjacent genes located on chromosome 14q23, in renal carcinoma cells and renal carcinoma tissues, and to study the effects of rt-circ-HS on biological behavior of renal carcinoma cells and on regulation of HIF1α.
METHODS:
Reverse transcription-polymerase chain reaction (RT-PCR) and Sanger sequencing were used to examine expression of read-through RNAs HIF1α-SNAPC1 and rt-circ-HS in different tumor cells. Tissue microarrays of 437 different types of renal cell carcinoma (RCC) were constructed, and chromogenic in situ hybridization (ISH) was used to investigate expression of rt-circ-HS in different RCC types. Small interference RNA (siRNA) and artificial overexpression plasmids were designed to examine the effects of rt-circ-HS on 786-O and A498 renal carcinoma cell proliferation, migration and invasiveness by cell counting kit 8 (CCK8), EdU incorporation and Transwell cell migration and invasion assays. RT-PCR and Western blot were used to exa-mine expression of HIF1α and SNAPC1 RNA and proteins after interference of rt-circ-HS with siRNA, respectively. The binding of rt-circ-HS with microRNA 539 (miR-539), and miR-539 with HIF1α 3' untranslated region (3' UTR), and the effects of these interactions were investigated by dual luciferase reporter gene assays.
RESULTS:
We discovered a novel 1 144 nt rt-circ-HS, which was derived from read-through RNA HIF1α-SNAPC1 and consisted of HIF1α exon 2-6 and SNAPC1 exon 2-4. Expression of rt-circ-HS was significantly upregulated in 786-O renal carcinoma cells. ISH showed that the overall positive expression rate of rt-circ-HS in RCC tissue samples was 67.5% (295/437), and the expression was different in different types of RCCs. Mechanistically, rt-circ-HS promoted renal carcinoma cell proliferation, migration and invasiveness by functioning as a competitive endogenous inhibitor of miR-539, which we found to be a potent post-transcriptional suppressor of HIF1α, thus promoting expression of HIF1α.
CONCLUSION
The novel rt-circ-HS is highly expressed in different types of RCCs and acts as a competitive endogenous inhibitor of miR-539 to promote expression of its parental gene HIF1α and thus the proliferation, migration and invasion of renal cancer cells.
Humans
;
Carcinoma, Renal Cell/pathology*
;
Cell Proliferation
;
Hypoxia
;
Kidney Neoplasms
;
MicroRNAs/genetics*
;
Neoplasm Invasiveness/genetics*
;
RNA, Circular/metabolism*
;
RNA, Small Interfering
;
Hypoxia-Inducible Factor 1, alpha Subunit/genetics*
6.Analysis of etiology and complications in children with stage 5 chronic kidney disease.
Cheng ZHONG ; Ya Ling CHEN ; Xi Xi YU ; Qin YANG ; Yong Qi SHI ; Li Wen TAN ; An Shuo WANG ; Dao Qi WU ; Gao Fu ZHANG ; Hai Ping YANG ; Qiu LI ; Mo WANG
Chinese Journal of Pediatrics 2023;61(12):1109-1117
Objective: To investigate the etiology, complications, and prognostic factors of stage 5 chronic kidney disease (CKD5) in children. Methods: A case series study was conducted to retrospectively analyze the general situation, clinical manifestations, laboratory tests, genetic testing, and follow-up data (until October 2022) of 174 children with CKD5 who were diagnosed and hospitalized at the Children's Hospital of Chongqing Medical University from April 2012 to April 2021. The characteristics of complications in the children were compared based on age, gender, and etiology. Based on the presence or absence of left ventricular hypertrophy (LVH), patients were divided into LVH group and non LVH group for analyzing the influencing factors of cardiovascular disease. Patients were also divided into death group and survival group, peritoneal dialysis group and hemodialysis group based on the follow-up data for analyzing the prognostic factors. The chi-square test, independent sample t-test, Fisher exact probability test, Mann-Whitney U test and Kruskal Wallis test were used to analyze data among different groups. Multivariate Logistic regression analysis was used to identify the prognostic factors. Results: A total of 174 children with CKD5 were enrolled in the study (96 boys and 78 girls), aged 11.2 (8.2, 13.0) years. Congenital kidney and urinary tract malformations (CAKUT) were the most common causes of the CKD5 (84 cases, 48.3%), followed by glomerular diseases (83 cases, 47.7%), and among which 28 cases (16.1%) were hereditary glomerular diseases. The common complications of CKD5 included anemia (98.2%, 165/168), mineral and bone disorder in chronic kidney disease (CKD-MBD) (97.7%, 170/174), lipid metabolism disorders (87.5%, 63/72), hypertension (81.4%, 127/156) and LVH (57.6%,57/99). The incidences of hypertension in primary glomerular disease were higher than that in CAKUT(93.8%(30/32) vs.73.7%(56/76),χ2=5.59,P<0.05). The incidences of hypertension in secondary glomerular disease were higher than that in CAKUT and that in hereditary kidney disease (100.0%(20/20) vs. 73.7%(56/76), 68.2%(15/22), both P<0.05). The incidence of hypocalcemia in CAKUT, primary glomerular disease, and hereditary kidney disease was higher than that in secondary glomerular disease (82.1%(69/84), 88.2%(30/34), 89.3%(25/28) vs. 47.6%(10/21), χ2=10.21, 10.75, 10.80, all P=0.001); the incidence of secondary hyperparathyroidism in women was higher than that in men (80.0%(64/80) vs. 95.0%(57/60), χ2=6.58, P=0.010). The incidence of LVH in children aged 6-<12 was higher than that in children aged 12-18 (73.5%(25/34) vs. 43.1%(22/51), χ2=7.62, P=0.006). Among 113 follow-up children, the mortality rate was 39.8% (45/113). Compared to the survival group, the children in the death group had lower hemoglobin, higher blood pressure, lower albumin, lower alkaline phosphatase and higher left ventricular mass index ((67±19) vs. (75±20) g/L, 142 (126, 154) vs. 128(113, 145) mmHg(1 mmHg=0.133 kPa), (91±21) vs. (82±22) mmHg, 32 (26, 41) vs. 40 (31, 43) g/L, 151 (82, 214) vs. 215 (129, 37) U/L, 48 (38, 66) vs. 38(32, 50) g/m2.7,t=2.03, Z=2.89, t=2.70, Z=2.49, 2.79, 2.29,all P<0.05), but no independent risk factors were identified (all P>0.05). The peritoneal dialysis group had better alleviation for anemia, low calcium, and high phosphorus than the hemodialysis group ((87±22) vs. (72±16) g/L, (1.9±0.5) vs. (1.7±0.4) mmol/L, (2.2±0.7) vs. (2.8±0.9) mmol/L, t=2.92, 2.29, 2.82, all P<0.05), and the survival rate of the peritoneal dialysis group was significantly higher than that of the hemodialysis group (77.8% (28/36) vs. 48.4% (30/62), χ2=8.14, P=0.004). Conclusions: CAKUT is the most common etiology in children with CKD 5, and anemia is the most common complication. The incidence of complications in children with CKD 5 varies with age, gender and etiology. Anemia, hypertension, hypoalbuminemia, reduced alkaline phosphatase and elevated LVMI may be the prognostic factors in children with CKD5. Peritoneal dialysis may be more beneficial for improving the long-term survival rate.
Male
;
Humans
;
Child
;
Female
;
Retrospective Studies
;
Alkaline Phosphatase
;
Kidney Failure, Chronic/therapy*
;
Renal Insufficiency, Chronic/therapy*
;
Hypertension
;
Risk Factors
;
Hypertrophy, Left Ventricular/etiology*
;
Anemia/etiology*
7.Clinical application effect of sequential nursing on the management of new skin on face and neck after deep burns.
Qing Qing FU ; Mao Jun LI ; Ling HUANG ; Jiang Lin TAN ; Ya Qin ZHOU ; Ning LI
Chinese Journal of Burns 2022;38(10):952-958
Objective: To explore the clinical application effect of sequential nursing on the management of new skin on face and neck after deep burns. Methods: The retrospective case-control research approach was used. From January to December 2019, 109 patients who met the inclusion criteria were admitted to the First Affiliated Hospital of Army Medical University (the Third Military Medical University) within 1 week after deep burn wound healing on the face and neck. Fifty-five patients who were admitted to the hospital from January to June and received comprehensive treatment and conventional nursing were included in conventional nursing group (27 males and 28 females, aged 21-65 (40±17) years), and fifty-four patients who were admitted to the hospital from July to December and received comprehensive treatment and sequential nursing were included in sequential nursing group (29 males and 25 females, aged 18-57 (37±11) years). The scores of pigmentation, vascularity, pliability, and thickness in Vancouver scar scale (VSS), the total score of VSS, the score of itch's impact on sleep in the four-item itch questionnaire (FIIQ), and the total score of FIIQ of patients were counted in the two groups before the first treatment (hereinafter referred to as treatment) and 3 months, 6 months, and 1 year after treatment. The treatment effective rate and the score of patients' satisfaction with the treatment effect in one year after treatment and the occurrence of adverse reaction during the treatment were counted. Data were statistically analyzed with independent sample t test, Mann-Whitney U test, and chi-square test. Results: The scores of pigmentation, vascularity, pliability, and thickness in VSS and the total VSS score of patients between the two groups before treatment were close (P>0.05). The pliability score in VSS and total VSS score after 3 months of treatment, the score of vascularity in VSS and total VSS score after 6 months of treatment, and the scores of pigmentation, vascularity, pliability, and thickness in VSS and total VSS score of patients after 1 year of treatment in sequential nursing group were significantly lower than those in conventional nursing group (with Z values of -2.51, -3.37, -2.05, -3.28, -3.12, -5.86, -4.63, -5.56, -6.76, respectively, P<0.05 or P<0.01). The score of itch's impact on sleep in FIIQ after 3 months of treatment of patients in sequential nursing group was significantly lower than that in conventional nursing group (Z=-4.17, P<0.01), and the total scores of FIIQ after 3 months, 6 months, and 1 year of treatment of patients in sequential nursing group were significantly lower than those in conventional nursing group (with Z values of -6.56, -5.53, -5.84, respectively, P<0.01). After 1 year of treatment, the treatment effective rate of patients in sequential nursing group was 96.3% (52/54), which was significantly higher than 81.8% (45/55) in conventional nursing group (χ2=5.83, P<0.05), and the score of patients' satisfaction with the treatment effect in sequential nursing group was significantly higher than that in conventional nursing group (Z=-4.49, P<0.01). During the treatment period, there was no adverse reaction in patients in sequential nursing group, but there were 3 patients with pruritus and peripheral erythema on the wound in conventional nursing group, which were improved after dressing changes. Conclusions: Sequential nursing can effectively improve the prevention and management of new skin scars in patients after deep burns on the face and neck, improve the itching, the efficiency of treatment, and the satisfaction of patients with the treatment effect.
Male
;
Female
;
Humans
;
Retrospective Studies
;
Burns/surgery*
;
Skin
;
Cicatrix/therapy*
;
Skin Transplantation
;
Pruritus/etiology*
;
Treatment Outcome
8.Genetic diversity and antibacterial activity of endophytic fungi from Zanthoxylum nitidum.
Yong-Zhi HU ; Xin-Feng YANG ; Ya-Qin ZHOU ; Li-Ying YU ; Xiao-Ming TAN ; Li-Chun ZHAO ; Zhong-Heng SHI ; Shi-Yi HU
China Journal of Chinese Materia Medica 2021;46(13):3349-3355
In order to reveal the distribution and population characteristics of endophytic fungi from Zanthoxylum nitidum and the antibacterial potential,this study performed molecular identification and analyzed the genetic diversity and antibacterial activity of endophytic fungi from Z. nitidum in Guangxi. Through culture and molecular identification,35 strains,belonging to 15 genera,12 families,10 orders,4 classes,and 2 phyla,were isolated from various tissues of Z. nitidum,of which Colletotrichum and Fusarium were the dominant genera,respectively accounting for 20% of total strains. The diversity of endophytic fungi was significantly different among roots,stems,and leaves,as manifested by the significantly higher Shannon index( H') in stems( 1. 678) than in roots( 0. 882 1) and leaves( 0. 515 4). The antimicrobial activity analysis showed that 14. 28% of endophytic fungi inhibited at least one indicator pathogen. Among them,Fusarium sp. ZN-34 and Fusarium sp. ZN-26 separately demonstrated the strongest inhibitory effect on Escherichia coli and Staphylococcus aureus. In general,Fusarium sp. ZN-26 and Phialemoniopsis plurioloculosa ZN-35 were advantageous in suppressing the two bacteria owing to the broad spectrum and strong efficacy. In summary,Z. nitidum in Guangxi boasts rich endophytic fungi with the majority showing strong antibacterial activity,which can be used as candidates for the extraction and separation of basic antibacterial substances and the development of natural antibacterial agents.
Anti-Bacterial Agents/pharmacology*
;
Anti-Infective Agents
;
China
;
Colletotrichum
;
Endophytes/genetics*
;
Fungi/genetics*
;
Genetic Variation
;
Humans
;
Microbial Sensitivity Tests
;
Zanthoxylum
9.Chemical variation in Aconti Kusnezoffii Radix before and after processing based on UPLC-Orbitrap-MS.
Mei-Ru ZHI ; Xin-Ru GU ; Shu HAN ; Kai-Yang LIU ; Zi-Qin LIU ; Ya-Nan TANG ; Xi-Tao HAN ; Fei LI ; Zhi-Gang YANG ; Peng TAN ; Hai-Yu ZHAO ; Hong DU
China Journal of Chinese Materia Medica 2020;45(5):1082-1089
Some Chinese herbal medicine needs to be processed before it can be used as medicine, especially toxic Chinese medicine. Highly toxic Aconti Kusnezoffii Radix(Caowu in Chinese) is widely used in traditional Chinese medicine and Mongolian medicine. In traditional Chinese medicine, Caowu is usually processed by boiling with water(CW) until no white part inside and being tasted without tongue-numbing. In Mongolian medicine, it is usually soaked in Chebulae Fructus(Hezi in Chinese) decoction for several days(CH). Both methods could reduce toxicity according to reports. The biggest difference between CW and CH is that CW needs to be heated for 4-6 h, while CH needs Hezi as processing adjuvants. To explore the toxicity reduction mechanism of CW and CH, we studied the contents of various compounds in Caowu processed by two methods by UPLC-Orbitrap-MS. The results indicated that CW had 14 new ingredients, such as 14-O-anisoylneoline and dehydro-mesaconitine, while N-demethyl-mesaconitine and aconitine disappeared. At the same time, it could significantly decrease the content of diester diterpenoid alkaloids and increase the contents of monoester diterpenoid alkaloids and amine-diterpenoid alkaloids. CH had 9 new ingredients from Hezi, like gallic acid, chebulic acid and shikimic acid. Neither the kinds nor the contents of compositions from Caowu in CH changed little. This suggested that the processing mechanism of CW reduced highly toxic components(diester diterpenoid alkaloids) and increased the content of lowly toxic components(monoester diterpenoid alkaloids and amine-diterpenoid alkaloids). Attenuated principle of CH may be related to the components of Hezi. In this experiment, the conclusion shows that the chemical constituents of CW and CH are essentially different, and the two methods have different toxicity reduction principles.
Aconitine
;
Aconitum/chemistry*
;
Alkaloids/analysis*
;
Chemistry, Pharmaceutical/methods*
;
Chromatography, High Pressure Liquid
;
Drugs, Chinese Herbal/analysis*
;
Mass Spectrometry
;
Medicine, Chinese Traditional
10.Advance in Whole Body Periodic Acceleration for Cardiovascular System (review)
Jing-wang TAN ; Jia HAN ; Yu-qin SHEN ; Chun-xin XU ; Ya-gang SONG ; Juan LI ; Xue-ping WU
Chinese Journal of Rehabilitation Theory and Practice 2019;25(4):430-433
As a novel intervention, whole body periodic acceleration (WBPA) shows a variety of benefits to the cardiovascular system, such as reducing pulmonary arteria hypertension (PAH), improving coronary flow reserve (CFR) and increasing blood perfusion of organs as well as tissues. The underlying mechanisms of WBPA may lie in the increase of blood flow rate and endothelium shear stress, activation of phosphoinositide 3-kinase/serine threonine kinase (PI3K-Akt) and mitogen extracellular signal regulated kinases/extracellular signal regulated kinase (MEK-ERK1/2) signal pathway and the release of nitric oxide.

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