1.Mechanism of dorsal root ganglion SERT in electroacupuncture regulation of P2X3 receptor-mediated visceral hypersensitivity in IBS rats
Rong HUANG ; Jing CHAI ; Yun ZHOU ; Yu QIAO ; Zhijun WENG ; Huangan WU ; Huirong LIU ; Lu ZHU ; Jindan MA ; Yi ZHU ; Fang ZHANG ; Yanping YANG
Journal of Acupuncture and Tuina Science 2024;22(6):435-446
Objective:To investigate the role of serotonin reuptake transporter(SERT)and P2X3 receptor of dorsal root ganglion(DRG)in regulating visceral hypersensitivity of rats with irritable bowel syndrome(IBS)by electroacupuncture(EA). Methods:Male Sprague-Dawley and SERT-/-rats were subjected to preparing IBS visceral hypersensitivity models with 2,4,6-trinitrobenzene sulfonic acid(TNBS)enema.Three weeks post-modeling,interventions including EA,intrathecal injection,and EA plus intrathecal injection were applied,respectively.Hematoxylin-eosin staining and abdominal withdrawal reflex(AWR)score were used to confirm the successful establishment of the IBS model.AWR score,whole-cell patch clamp technique,and Western blotting assay were used to evaluate the changes in visceral pain sensitivity,electrophysiological properties of DRG neurons,and the expression of DRG P2X3 receptor and SERT in IBS rats. Results:Compared to the model group,the AWR score in the EA group decreased significantly(P<0.05),the resting membrane potential(P<0.05)and the number of action potentials(P<0.05)of DRG neurons reduced,and the baseline intensity increased(P<0.05);additionally,the expression of P2X3 receptor in DRG decreased(P<0.01),and the SERT expression increased(P<0.05).Compared to the P2X3 receptor agonist group,the SERT protein expression in DRG was higher in the EA group.In SERT-/-rats,the P2X3 receptor expression in DRG increased in the EA group compared to the model group(P<0.01). Conclusion:EA modulates the electrophysiological characteristics of intestinal primary sensory neurons by regulating the expression of SERT and P2X3 receptor in DRG of IBS rats.This modulation may contribute to the mechanism by which EA alleviates peripheral sensitization of visceral pain in IBS rats.
2.Variations of glucose content in Massa Medicata Fermentata during processing based on quantitative proton nuclear magnetic resonance.
Ya-Ling SHI ; Lu-Yu SHAN ; Jing-Jing YANG ; Miao-Miao JIANG ; Hui-Juan YU ; Yue-Fei WANG ; Xin CHAI
China Journal of Chinese Materia Medica 2023;48(23):6396-6402
A quantitative proton nuclear magnetic resonance(qHNMR) method was established to determine the glucose content in commercially available Massa Medicata Fermentata(MMF) products and explore the variations of glucose content in MMF products during processing. The qHNMR spectrum of MMF in deuterium oxide was obtained with 2,2,3,3-d_4-3-(trimethylsilyl) propionate sodium salt as the internal standard substance. With the doublet peaks of terminal hydrogen of glucose with chemical shift at δ 4.65 and δ 5.24 as quantitative peaks, the content of glucose in MMF samples was determined. The glucose content showed a good linear relationship within the range of 0.10-6.44 mg·mL~(-1). The relative standard deviations(RSDs) of precision, stability, repeatability, and recovery for determination were all less than 2.3%. The glucose content varied in different commercially available MMF samples, which were associated with the different fermentation days, wheat bran-to-flour ratios, and processing methods. The glucose content in MMF first increased and then decreased over the fermentation time. Compared with the MMF products fermented with wheat bran or flour alone, the products fermented with both wheat bran and flour had increased glucose. The glucose content of bran-fried MMF was slightly lower than that of raw MMF, while the glucose content in charred MMF was extremely low. In conclusion, the qHNMR method established in this study is simple, fast, and accurate, serving as a new method for determining the glucose content in MMF. Furthermore, this study clarifies the variations of glucose content in MMF during processing, which can not only indicate the processing degree but also provide a scientific basis for revealing the fermentation mechanism and improving the quality control of MMF.
Protons
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Drugs, Chinese Herbal/chemistry*
;
Dietary Fiber
;
Magnetic Resonance Spectroscopy
3.Research progress on the relationship between dietary patterns and metabolic-associated fatty liver disease.
Bing Qian ZHOU ; Qing Nan HE ; Chun Xiang QIN ; Jing LU ; Xiao Ni CHAI ; Jing Chi ZHU ; Ni GONG
Chinese Journal of Hepatology 2022;30(9):1012-1016
Globally, metabolic-asssociated fatty liver disease has become a significant health burden due to its complex pathogenesis, and there are no specific and effective therapeutic drugs to date. The onset and progression of metabolic-asssociated fatty liver disease is closely associated with improper dietary habits. The cornerstone to treat metabolic-asssociated fatty liver disease is weight loss through a well-balanced diet. This article summarizes and discusses the research progress at home and abroad in relationship to metabolic-asssociated fatty liver disease and dietary patterns such as the Mediterranean diet, the DASH diet, an energy-restricted balanced diet, a low fat diet, a low carbohydrate diet, a western diet, an animal food diet, a traditional diet, and others. In addition, it categorizes the effects of various dietary patterns on the prevention, treatment, or induction of several issues that need further metabolic-asssociated fatty liver disease research for subsequent reference.
Animals
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Non-alcoholic Fatty Liver Disease/etiology*
;
Diet, Fat-Restricted
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Weight Loss
;
Diet, Mediterranean
;
Liver
4.The Factors Affecting Relapse in Pediatric B-cell Acute Lymphoblastic Leukemia Patients without Prognostic Fusion Genes Following Up for 10 years.
Meng-Ying JIANG ; Wei GAO ; Jing GAO ; Jing LING ; Jian PAN ; Pei-Fang XIAO ; Jun LU ; Hai-Long HE ; Yi WANG ; Jie LI ; Jian-Qin LI ; Yi-Huan CHAI ; Yi-Na SUN ; Shao-Yan HU
Journal of Experimental Hematology 2022;30(1):12-17
OBJECTIVE:
To analyze the efficacy of children with B-cell acute lymphoblastic leukemia (B-ALL) without prognostic fusion genes treated by CCLG-ALL 2008, and investigate the related factors affecting the recurrence of the patients.
METHODS:
B-ALL patients without prognostic fusion genes treated by the protocol of CCLG-ALL 2008 in our hospital from March 2008 to December 2012 were retrospectively analyzed. Follow-up time was ended in August 31, 2019. The median follow-up time was 92 months (range 0-136 months). Kaplan-Meier was used to detect the RFS, and COX multivariate regression analysis was employed to identify the independent factors affecting the recurrence of the patients.
RESULTS:
There were 140 males and 99 females enrolled in this study. The ratio of male to female was 1.41∶1. The median age was 4.4 years old and the median number of WBC at initial stage was 4.98×109/L. There were 77 cases relapsed during the observation while 162 without relapsed, 16 cases lost to follow-up and 72 cases died. The recurrence and mortality rate was 32.22% and 30.1%, respectively, in which 45 cases died of recurrence (62.5% of the total deaths). Univariate analysis showed that the age≥6 years old, WBC >100×109/L, the bone marrow blasts on day 15≥25%, the bone marrow minimal residual disease (MRD) at week 12 >10-4, and the higher risk were the main factors affecting the recurrence of the patients (P<0.05). Multivariate COX regression analysis showed that age≥6 years old, WBC >100×109/L, bone marrow MRD >10-4 at the 12th week were the independent risk factors affecting recurrence of the patients.
CONCLUSION
Age, initial WBC, and bone marrow MRD at the 12th week were correlated with recurrence in children with B-ALL without prognostic fusion genes, which can be used as prognostic indices of recurrence risk in clinical.
Antineoplastic Combined Chemotherapy Protocols
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Child
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Child, Preschool
;
Disease-Free Survival
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Female
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Humans
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Male
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Neoplasm, Residual
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Precursor Cell Lymphoblastic Leukemia-Lymphoma/genetics*
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Prognosis
;
Recurrence
;
Retrospective Studies
5.Correlation analysis of health self-empowerment level and health self-management skill in older adults
Sihan HE ; Chunxiang QIN ; Zhengying CHEN ; Jingchi ZHU ; Jing LU ; Xiaoni CHAI ; Bingqian ZHOU ; Jiangming SHENG
Chinese Journal of Health Management 2022;16(2):117-124
Objective:To determine the relationship between health self-empowerment level and health self-management skill in older adults.Methods:A household survey was conducted from June 2020 to April 2021, among older adults in two communities each in Zhuzhou and Changsha selected by stratified cluster sampling. Data were collected through a general questionnaire, simplified. Elders Health Empowerment Scale, and Rating Scale of Health Self-Management Skill for Adults. A total of 444 questionnaires were distributed, of which 425 were valid. Pearson correlation and hierarchical regression analyses were used to analyze the relationship between health self-empowerment level and health self-management skill.Results:Final sample included 425 elderly people. Health self-empowerment was at medium to high level (30.9±5.6), whereas health self-management was at medium level (146.2±21.7); and the two factors were significantly correlated (Pearson coefficient was 0.724). After controlling for confounding factors (demographic characteristics), health self-empowerment independently accounted for 34.3% of the variation in health self-management ability.Conclusion:Health self-empowerment positively affects health self-management ability among older adults, which suggests the importance of stimulating health self-empowerment awareness in the process of health self-management.
6.Mechanism of Shengmai Injection on Anti-Sepsis and Protective Activities of Intestinal Mucosal Barrier in Mice.
Juan LU ; Yue YU ; Xiao-Jing WANG ; Rui-Ping CHAI ; Xin-Kai LYU ; Ming-Hui DENG ; Mei-Geng HU ; Yun QI ; Xi CHEN
Chinese journal of integrative medicine 2022;28(9):817-822
OBJECTIVE:
To study the mechanism of Shengmai Injection (SMI, ) on anti-sepsis and protective activities of intestinal mucosal barrier.
METHODS:
The contents of 11 active components of SMI including ginsenoside Rb1, Rb2, Rb3, Rd, Re, Rf, Rg1, Rg2, ophioposide D, schisandrol A and schisantherin A were determined using ultra-performance liquid chromatography. Fifty mice were randomly divided into the blank, the model, the low-, medium- and high-dose SMI groups (0.375, 0.75, 1.5 mL/kg, respectively) by random number table, 10 mice in each group. In SMI group, SMI was administrated to mice daily via tail vein injection for 3 consecutive days, while the mice in the blank and model groups were given 0.1 mL of normal saline. One hour after the last SMI administration, except the blank group, the mice in other groups were intraperitoneally injected with lipopolysaccharide (LPS) saline solution (2 mL/kg) at a dosage of 5 mL/kg for development of endotoxemia mice model. The mice in the blank group were given the same volume of normal saline. Inflammatory factors including interferon-γ (INF-γ), tumor necrosis factor-α (TNF-α), interleukin (IL)-2 and IL-10 were measured by flow cytometry. Myosin light-chain kinase (MLCK), nuclear factor κB (NF-κB) levels, and change of Occludin proteins in jejunum samples were analyzed by Western blot.
RESULTS:
The decreasing trends of INF-γ, TNF-α and IL-2 were found in serum of SMI treatment groups. In SMI-treated mice, the content of Occludin increased and MLCK protein decreased compared with the model group (P<0.05 or P<0.01). The content of cellular and nuclear NF-κB did not change significantly (P>0.05).
CONCLUSION
SMI may exert its anti-sepsis activity mainly through NF-κB-pro-inflammatory factor-MLCK-TJ cascade.
Animals
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Drug Combinations
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Drugs, Chinese Herbal
;
Mice
;
NF-kappa B/metabolism*
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Occludin
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Saline Solution
;
Sepsis/drug therapy*
;
Tumor Necrosis Factor-alpha/metabolism*
7.Inhibition of Microcystis aeruginosa by Bacillus subtilis fmb60 non-ribosome peptide metabolites.
Jie YANG ; Zishan WANG ; Jinlong CHAI ; Yang CHEN ; Jing LU ; Yaowei FANG ; Shujun WANG ; Zhaoxin LU
Chinese Journal of Biotechnology 2021;37(2):625-634
Microcystis aeruginosa, a type of algal bloom microalgae, is widely distributed in water, causing serious deteriorated effects on humans and the ecological environment. As a biocontrol microorganism, Bacillus subtilis can synthesize various bioactive substances through non-ribosomal peptide synthetase, to inhibit the growth of M. aeruginosa. Thus, it is imperative to investigate the non-ribosomal peptide (NRP) metabolites of B. subtilis fmb60. Three NRP metabolites from B. subtilis fmb60 including bacillibactin, surfactin and fengycin were extracted and identified by genome mining technology. The growth inhibition of M. aeruginosa was studied by adding various concentrations of NRP metabolites. The half-effect concentration value (EC50.4 d) of M. aeruginosa was 26.5 mg/L after incubation for 4 days. With the increasing concentration, the inhibitory effects of NRP metabolites of B. subtilis fmb60 on M. aeruginosa was enhanced significantly. Compared with the control group, with the addition of 50 mg/L NRP metabolites to the M. aeruginosa, the content of Fv/Fm, Fv/Fo and Yield parameter after cultured for 4 days were decreased by 2.8%, 1.7% and 2.0%, respectively. Those findings indicate that the NRP metabolites of B. subtilis fmb60 can significantly inhibit the photosynthesis and metabolism of M. aeruginosa, which provides a theoretical foundation for the development of biological algae inhibitor of B. subtilis.
Bacillus subtilis
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Humans
;
Microcystis
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Peptides
;
Photosynthesis
8.Chemical and pharmacological progress on a Tibetan folk medicine formula Bawei Chenxiang Powder.
Jia-Ming WANG ; Jing-Ru CAO ; Xiao-Li GAO ; Lu-Lu KANG ; Zhuan-Zhuan YANG ; Wuken SHA-NA ; Jun-Jun LI ; Peng-Fei TU ; Xing-Yun CHAI
China Journal of Chinese Materia Medica 2020;45(9):2063-2072
Bawei Chenxiang Powder is a traditional Tibetan folk medicine formula, consisting of resinous wood of Aquilaria sinensis, kernel of Myristica fragrans, fruit of Choerospondias axillaris, travertine, resin of Boswellia carterii or B. bhaw-dajiana, stem of Aucklandia lappa, fruit of Terminalia chebula(roasted), and flower of Gossampinus malabarica. It has the function of clearing heart heat, nourishing heart, tranquilizing mind, and inducing resuscitation, which has been used for the treatment of coronary heart disease and angina pectoris. Modern research shows that the medicine materials of this formula mainly contain terpenoids like sesquiterpenes and triterpenes and polyphenols like flavonoids, lignans, and tannins, displaying some pharmacological activities such as anti-myocardial ischemia, anti-cerebral ischemia, and spatial learning and memory promotion. This review summaries the traditional uses, chemical constituents, and pharmacological activities research progress, hopefully to provide a reference for clarification of its pharmacological active ingredients.
Drugs, Chinese Herbal
;
Flavonoids
;
Medicine, Tibetan Traditional
;
Terminalia
;
Tibet
9.Compare and Contrast of the Diagnosis of Cerebral Malformation on 2D Ultrasonography, 3D Ultrasonography against MRI
Rui TONG ; Li-Juan LU ; Zhan-Xiong QING ; Jun-Hua LEI ; Xian HUANG ; Juan CHAI ; Jing CAO
Journal of Kunming Medical University 2018;39(8):113-118
Objective to compare and contrast the diagnosis results on 2D and 3D Ultrasonogrpahy against MRI. Method A 2D Ultrasonography was applied during a conventional prenatal sonography checking with a 3D Sonography assessment subsequently conducted to follow up on 49 fetus suspected of brain malformation.Furthermore, a MRI scan was taken within 24 hours after the 3D Sonography checking in our hospital as a final test. Data collections from all three assessments were completed, and an analysis of the comparisons of these three methods were done. Results Among these 49 fetus with confirmed or suspected brain malformation, there were two cases of misdiagnoses of Dandy-Walker Malformation assessed by 2D sonography, with a misdiagnosis rate of 40%, (P < 0.05) indicating a statistically significant result; misdiagnosis rate of Fetal Ventriculomegaly and Isolated Broadening Posterior Fossa were calculated as 26.7% and 33.3% respectively (P <0.05), a statistically significant result. Overall, there were two cases with Cerebellum Malformation, from in which one case was identified by MRI, and the other one was misdiagnosed, with a misdiagnosis rate of 50.0%.In total, there were 2 cases of Holoprosencephaly, in which one was identified by Prenatal MRI, and the other was misdiagnosed (P < 0.05), a statistically significant result. Conclusions All three assessments of 2D ultrasonography, 3D ultrasonography and MRI have their own advantages and disadvantages. In short, 2D Sonography is suggested to be applied for screening out cases with brain malformation, together with 3D Sonography as a complementary assessment. MRI can also be an effective and significant complement for sonography in completing and readdressing the final ultrasonic results.
10.Risk factors of recurrence for gastric mucosal lesions after endoscopic submucosal dissection
Bo ZHANG ; Enqiang LINGHU ; Ningli CHAI ; Zhongsheng LU ; Yadong CHEN ; Jing YANG ; Xiuxue FENG ; Dandan SONG ; Hong DU ; Jiangyun MENG ; Hongbin WANG ; Xiangdong WANG ; Jing ZHU
Chinese Journal of Digestive Endoscopy 2018;35(1):32-36
Objective To investigate the recurrence and risk factors of gastric high-grade intraepithelial neoplasia(HGIN)and early gastric cancer(EGC)after endoscopic submucosal dissection (ESD). Methods The clinical and follow-up data on 444 patients(451 lesion)with HGIN and EGC undergoing ESD in Digestive Endoscopy Center of Chinese PLA General Hospital from November 2006 to January 2016 were summarized, and the risk factors of recurrence were analyzed. Results A total of 410 patients were followed-up, and the recurrence rate was 3.2%(13 patients, 13 lesions), with mean recurrence time of 17.6±9.6 months(6-38 months). Univariate and multivariate analysis revealed that the size of the lesion>4.0 cm was the only risk factor of recurrence(P=0.012,OR=10.855,95%CI:1.673~70.442). Conclusion The rate of recurrence is increasing with the EGC extending, therefore, postoperative monitoring should be strengthened to patients with larger lesion.

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