1.Changes and Trends in the microbiological-related standards in the Chinese Pharmacopoeia 2025 Edition
FAN Yiling ; ZHU Ran ; YANG Yan ; JIANG Bo ; SONG Minghui ; WANG Jing ; LI Qiongqiong ; LI Gaomin ; WANG Shujuan ; SHAO Hong ; MA Shihong ; CAO Xiaoyun ; HU Changqin ; MA Shuangcheng, ; YANG Meicheng
Drug Standards of China 2025;26(1):093-098
Objective: To systematically analyze the revisions content and technological development trends of microbiological standards in the Chinese Pharmacopoeia (ChP) 2025 Edition, and explore its novel requirements in risk-based pharmaceutical product lifecycle management.
Methods: A comprehensive review was conducted on 26 microbiological-related standards to summarize the revision directions and scientific implications from perspectives including the revision overview, international harmonization of microbiological standards, risk-based quality management system, and novel tools and methods with Chinese characteristics.
Results: The ChP 2025 edition demonstrates three prominent features in microbiological-related standards: enhanced international harmonization, introduced emerging molecular biological technologies, and established a risk-based microbiological quality control system.
Conclusion: The new edition of the Pharmacopoeia has systematically constructed a microbiological standard system, which significantly improves the scientificity, standardization and applicability of the standards, providing a crucial support for advancing the microbiological quality control in pharmaceutical industries of China.
2.Effects of exercise combined with dietary intervention on vascular endothelial function and ferroptosis in obese female university students
YANG Mei, CHEN Anping, WANG Jingjing, SU Xiaoyun
Chinese Journal of School Health 2025;46(8):1185-1189
Objective:
To compare the effects of aerobic exercise at maximal fat oxidation (FATmax) and FATmax intensity exercise combined with resistance training (RT), and dietary restriction on the body composition, vascular endothelial function and ferroptosis in obese female university students, so as to provide a reference for exploring the mechanisms by which exercise improves vascular endothelial function.
Methods:
From February to May 2024, 70 obese female university students were recruited from Shanxi University and randomly divided into control group ( n =24), FATmax group ( n =24) and FATmax+RT group ( n =22). From March 4 to May 26, 2024 control group maintained their normal living habits, FATmax group performed aerobic exercise at FATmax intensity three times per week for 60 minutes per session; FATmax +RT group performed combined aerobic and resistance exercise at FATmax intensity three times per week for 60 minutes per session. The daily dietary calorie intake for all groups was determined according to resting energy expenditure. Body composition, vascular endothelial function and ferroptosis were measured before and after the intervention.
Results:
After 12 weeks of intervention, there were statistically significant differences in body mass, BMI, body fat, waist hip ratio and muscle mass among the three groups ( F =10.93, 5.88, 65.28, 21.14, 2.25, all P < 0.05). Compared with the control group, participants in both the FATmax group and the FATmax+RT group showed significant reductions in body weight, BMI, body fat and waist hip ratio (all P <0.05). Body fat and waist hip ratio in FATmax+RT group were lower than those in FATmax group, and muscle mass was higher than those in FATmax group and control group (both P <0.05). After 12 weeks of intervention, significant differences were observed among the three groups in serum NO, GSH, serum ferritin levels and FMD ( F = 9.14, 9.67, 4.78, 135.70, all P <0.05). Compared with the control group, the serum NO, GSH levels and FMD significantly increased, and the serum ferritin level decreased (all P <0.05) of obese female university students in FATmax group and FATmax+RT group. Serum GSH level and FMD increased and serum ferritin level decreased in FATmax +RT group when compared with FATmax group (all P <0.05).
Conclusions
With the same exercise training duration and frequency, FATmax intensity aerobic exercise, alone or combined with resistance and dietary restriction, can significantly improve the body composition, vascular endothelial function and inhibit ferroptosis of obese female university students. However, FATmax intensity aerobic exercise combined with resistance training has more pronounced effects.
3.Ethical considerations of using the deceased as medical research subjects
Zhaolong LU ; Xiaoyun CHEN ; Yongchuan CHEN ; Mengjie YANG ; Qiang LIU ; Hui JIANG ; Zhonglin CHEN
Chinese Medical Ethics 2025;38(11):1447-1452
The relevant laws and regulations regarding the utilization of the deceased as medical research subjects are not yet fully developed in China nowadays. Taking the deceased as research subjects as a starting point, this paper discussed the definition of the deceased and the scope of their interest protection from multiple perspectives. It posited that the scope of interest protection for the deceased encompassed two components: spiritual personality interests and material personality interests represented by the remains. The spiritual personality interests of the deceased included identification information such as name, portrait, reputation, honor, privacy, and personal information, as well as medical and health information. The personal information of the deceased was not directly affected by the individual’s life and death status and remained relatively independent. In terms of ethical review, the research team approached from two perspectives: the remains and the personal information of the deceased. Based on the standard of whether the research subjects involve a human body, research with the remains of the deceased as the medical research subjects was classified as non-clinical research. According to the standard of whether a human body is clinically operated, research with the personal information of the deceased (including medical and health information) as the medical research subjects was recognized as clinical research without human research operation. This approach provided evidence for the application of existing laws and regulations in ethical review and record management. The ethical review of investigator-initiated clinical research conducted in medical and health institutions, as well as the regulatory conditions for exemption from ethical review, were examined. The forms, content, and acquisition of informed consent were summarized, and the risk-benefit characteristics of the research activity were evaluated, with a view to providing a basis for the smooth and compliant implementation of research activities involving the deceased as medical research subjects.
4.Effect of Huatan Sanjie Formula (化痰散结方) on Thyroid Angiogenesis and VEGFA/VEGFR2 Signaling Pathway in Graves' Disease Model Mice
Wenxin MA ; Xiaoyun ZHU ; Chengna WANG ; Jing XU ; Ximing LIU ; Yang TANG
Journal of Traditional Chinese Medicine 2024;65(19):2025-2031
ObjectiveTo investigate the possible mechanism of Huatan Sanjie Formula (化痰散结方, HSF) in treating Graves' disease (GD) from the perspective of thyroid angiogenesis. MethodsThirty-six BALB/c female mice were randomly divided into a normal control group (n=9) and a modeling group (n=27). Mice in the modeling group were injected with 2.0×109 PFU/ml of Ad-TSHR289 adenovirus into the tibialis anterior muscle to build GD model. Nine weeks after immunization, the successfully modeled mice were randomly divided into model group, methimazole (MMI) group and HSF group, with 9 mice in each group. The MMI group was given 5.2 mg/(kg·d) of methimazole tablets by gavage, while the HSF group was given HSF at a relative crude drug dosage of 7.02 g/(kg·d) by gavage. The normal control group and the model group were given 0.1 ml/10 g of pure water by gavage. All groups were administered intragastrically once a day for a total of 4 weeks. The levels of thyroxine (T4) and thyrotropin receptor autoantibodies (TRAb) in serum were detected by radioimmunoassay, while the pathological changes of the thyroid gland were assessed by HE staining. The vascular morphology of thyroid tissue was observed by CD34 immunohistochemical staining, and the microvessel density (MVD) was counted. The protein expression of vascular endothelial growth factor A (VEGFA) and vascular endothelial growth factor receptor 2 (VEGFR2) in thyroid was detected by Western-blot. ResultsCompared to those in the normal control group, the thyroid volume of the mice in the model group significantly increased with excessive congestion, and the pathology showed significant thyroid follicular hyperplasia, columnar and proliferated epithelial cells, and enlarged follicle size; serum T4 and TRAb significantly increased, as well as the count of thyroid MVD, and the protein expressions of thyroid VEGFA and VEGFR2 (P<0.01). Compared to those in the model group, the thyroid glands of the mice in the MMI group and the HSF group were significantly reduced, and the congestion was improved; pathology showed that thyroid follicular hyperplasia and epithelial cell proliferation were reduced, with smooth edges of the follicles and the significantly reduced inward protrusion; serum T4 and TRAb significantly decreased, as well as the thyroid MVD, thyroid VEGFA and VEGFR2 protein expressions (P<0.05 or P<0.01). There was no significant difference in all indicators between the MMI group and the HSF group (P>0.05). ConclusionHSF may inhibit thyroid angiogenesis by down-regulating thyroid VEGFA/VEGFR2 signaling pathway, thereby improving goitre and hyperfunction in GD mice.
5.Effect of compassion focused therapy on cognitive function and sense of shame in stroke patients with hemiplegia
Xiaoyun LIU ; Guanzeng LI ; Chunling YANG ; Aijun WANG
Modern Clinical Nursing 2024;23(1):43-48
Objective To investigate the effect of compassion focused therapy on cognitive function and sense of shame in stroke patients with hemiplegia.Methods A total of 100 stroke patients with hemiplegia admitted in our hospital were included as the research objects.The patients were randomly divided into a control group admitted from December 2020 to December 2021 and an observation group admitted from January 2022 to January 2023,with 50 patients per group.The patients in the control group received cognitive behavioural therapy,while those in the observation group received compassion focused therapy as well as cognitive behavioural therapy.The sense of shame,cognitive function,self-criticism and social anxiety in the two groups were observed and compared before and at the end of the intervention.Results The score of the sense of shame in the observation group was significantly lower than that in the control group(P<0.001).The cognitive function score in the observation group was lower than that in the control group at the end of intervention(P<0.05).and the score of the sense of shame scale in the observation group was lower than that in the control group at the end of the intervention(all P<0.05).Conclusion Compassion focused therapy can significantly reduce the self-criticism and sense of shame in the stroke patients with hemiplegia,and promote the recovery of the cognitive function.
6.Researchon the training model of innovative talents in traditional Chinese medicine with the integration of science and education in local high-level universities
Lanwen GAO ; Ye GAO ; Ronghua ZHANG ; Li YANG ; Huan WANG ; Xiaoyun LI ; Lingyu LI ; Yu CAI
Modern Hospital 2024;24(1):127-129
Traditional Chinese Medicine has a long history and plays a decisive role in the fields of modern medicine and pharmacy.It is an important part of our country's traditional medicine.With the progress of the times,people are paying more and more attention to the innovation and development of traditional Chinese medicine.However,the current traditional Chinese medicine talents trained by major universities cannot meet the needs and requirements of society.This is closely related to the current talent training model of universities.Local high-level universities have unique advantages and potential in cultivating inno-vative talents in traditional Chinese medicine.They can incorporate traditional Chinese medicine culture with local characteristics into the teaching content and practical links of training traditional Chinese medicine talents,and build innovative traditional Chi-nese medicine talents integrating science and education.The training model is more conducive to cultivating top innovative talents that meet the needs of society and and the development of traditional Chinese medicine.This article analyzes and discusses how local high-level universities can develop innovative talent training models that suit the needs of traditional Chinese medicine by combining local characteristics and disciplinary advantages,so as to provide useful reference and inspiration for local high-level u-niversities in cultivating talents in traditional Chinese medicine.
7.Mechanism of icariin regulating the NLRP3 inflammasome against cerebral ischemia reperfusion
Qi ZENG ; Yachen WU ; Maohua HU ; Xiaoyun DA ; Yang LIU ; Xin YANG ; Ying DENG ; Ming LIU
Acta Laboratorium Animalis Scientia Sinica 2024;32(1):25-32
Objective To investigate the mechanism of icariin regulating the NLRP3 inflammasome in the treatment of cerebral ischemia-reperfusion injury in rats.Methods A rat model of focal cerebral ischemia-reperfusion was induced using the thread embolism method.At 24 hours post-operation,the rats were randomly allocated into a sham operation group,model group,butylphthalide group(70 mg/kg),ICA-low dose(20 mg/kg),ICA-middle dose(40 mg/kg),and ICA-high dose(80 mg/kg)groups.The corresponding drugs were administered by gavage at 10 mL/kg once a day for 13 consecutive days.One hour after the last administration,neurological function was scored.The cerebral cortex was observed by hematoxylin-eosin(HE)staining.Expression of interleukin(IL)-1β and IL-18 in the cerebral cortex was determined by immunohistochemistry.Expression of NLRP3,ASC,and Caspase-1 in the cerebral cortex was determined by Western Blot.Results In contrast to the sham operation group,there was a notable increase in neural function scores within the model group.The ischemic area around the visible cerebral cortex showed neuron necrosis at various level or glial cell proliferation,and the number of intact neurons was significantly reduced.IL-1β and IL-18 positive cells were significantly increased.Expression of NLRP3,ASC,and Caspase-1 was significantly increased(P<0.01,P<0.05).After treatment with icariin,the neural function score was decreased significantly.The degree of neuronal necrosis in the peri-ischemic area was significantly reduced,and the number of intact neurons was significantly increased.IL-1 β and IL-18-positive cells were decreased significantly.Expressions of NLRP3,ASC,and Caspase-1 were significantly decreased(P<0.01,P<0.05).Conclusions Treatment of cerebral ischemia-reperfusion injury by icariin may be related to regulation of the NLRP3 inflammasome.
8.Effects of Daizong Prescription on Glycogen Metabolism in White Adipose Tissue of Obese Mice
Liwei ZHANG ; Ximing LIU ; Shouqiang FU ; Hui FENG ; Yang TANG ; Jing XU ; Xiaoyun ZHU
Chinese Journal of Information on Traditional Chinese Medicine 2024;31(2):90-96
Objective To observe the effects of Daizong Prescription on glycogen metabolism in adipose tissue of obese mice;To explore its regulatory mechanism in activating browning in the white adipose tissue.Methods A obesity model was established by feeding high-fat diet to C57BL/6J mice.The obese mice were divided into model group,metformin group(0.15 g/kg),and Daizong Prescription low-(0.20 g/kg)and high-dosage(0.40 g/kg)groups.Mice fed a standard diet were set as the normal group,with 12 mice in each group.Each medication group was given corresponding drugs by gavage for 6 consecutive weeks.Body mass and fasting blood glucose were monitored,serum triglycerides(TG),total cholesterol(TC),high-density lipoprotein cholesterol(HDL-C),and low-density lipoprotein cholesterol(LDL-C)contents were measured.Brown adipose tissue from the interscapular region and white adipose tissue from the inguinal,perirenal and epididymal region were collected,the adipose tissue mass was measured,and the body fat coefficient was calculated.HE staining was performed to observe morphological changes in adipose tissue,PAS staining was used to observe glycogen distribution in adipose tissue,immunohistochemistry staining was performed to detect the expressions of Gys2,Ppp1r3c,and GSK-3β in inguinal white adipose tissue.Results Compared with the normal group,the body mass and fasting blood glucose in different time points of the model group significant increase(P<0.05,P<0.01),and serum TC and HDL-C contents significantly increased(P<0.01);the mass and body fat coefficient of white adipose tissue in inguinal,perirenal,and epididymis significantly increased(P<0.01),the cells in white adipose tissue in inguinal were hypertrophic and appeared as large vacuoles,with less glycogen accumulation,the expressions of Gys2 and Ppp1r3c significantly decreased(P<0.01).Compared with the model group,the mice in Daizong Prescription high-dosage group showed a significant decrease in body mass and fasting blood glucose at 4 and 6 weeks of administration(P<0.05,P<0.01),and the contents of serum TG,TC,HDL-C,and LDL-C were significantly decreased(P<0.01);the mass and body fat coefficient in white adipose tissue of perirenal and epididymal significantly decreased(P<0.05,P<0.01),and the mass of inguinal white adipose tissue significantly decreased(P<0.05),multiple irregularly shaped small vacuoles could be seen in inguinal white adipose tissue,accompanied by nuclear aggregation and increased glycogen accumulation,the expressions of Gys2 and Ppp1r3c significantly increased(P<0.01).There was no significant difference in the expression of GSK-3β inguinal white adipose tissue of mice among the groups.Conclusion Daizong Prescription can increase the activity of Gys2 by upregulating the expression of Ppp1r3c,promote glycogen synthesis,induce browning of adipose tissue,increase fat heat production,and improve obesity and related disorders of glycolipid metabolism.
9. Transcriptomic analysis of the molecular mechanism of Tiaopi Chengqi decoction improving gastric digestive function in mice with food accumulation
Xiaoyun WANG ; Huaizhou ZHAO ; Liguo TONG ; Haijie JI ; Qian YANG ; Ping WANG ; Haiyan LU ; Mingsuo SONG
Chinese Journal of Clinical Pharmacology and Therapeutics 2024;29(3):252-259
AIM:To explore the molecular mechanism of Tiaopi Chengqi decoction (TpCqD) improving hyperthermia and high-protein food-induced hyperphagia mice based on transcriptomics. METHODS:C57 mice were randomly divided into a control group, model group, low-dose TpCqD group, high-dose TpCqD group, and domperidone group. The general condition of the experimental mice was observed and the average food intake was counted, and the rate of gastric emptying and intestinal propulsion was determined for each group of mice. H&E staining was used to observe pathological changes in gastric tissue. PAS staining was used to observe glycogen changes in gastric tissue. Pepsin activity was determined by colorimetry. pH value of gastric contents was measured by acid-base titration. Transcriptome sequencing was used to analyze the differential genes in gastric tissue, a volcano map and a cluster heat map were made for the differential genes, and KEGG was used to analyze the signal pathway enrichment of the differential genes. RT-qPCR verified the differential genes obtained by screening. RESULTS:After treatment with TpCqD, the body weight and average food intake of mice with food accumulation increased (P<0.05), and the intestinal propulsion rate and gastric emptying speed of mice with food accumulation accelerated (P<0.05). TpCqD could protect gastric tissue structure and glycogen degradation, increase pepsin activity (P<0.05), and reduce gastric content pH (P<0.05). Transcriptome results showed that TpCqD could regulate the expression of Acox2 and cilp2, regulate fat digestion and absorption, protein digestion and absorption, and pancreatic secretion signals. RT-qPCR showed that compare with model group, TpCqD up-regulated Acox2 (P<0.05) and down-regulated the mRNA level of cilp2 (P<0.05). CONCLUSION:TpCqD ameliorated digestive dysfunction in mice with high-calorie and high-protein diets leading to food accumulation involving the regulation of the fat and sugar metabolism genes Acox2 and cilp2, and pancreatic secretory signaling.
10.Application of gene sequencing method in ABO blood group identification
Jiancheng LIU ; Feng SHAO ; Xiaoyun BU ; Jie YANG ; Xiaoyin MAO ; Jing HAI
Chongqing Medicine 2024;53(11):1690-1694
Objective To establish a gene sequencing method for ABO blood group,to analyze the mu-tation sites at the DNA level in order to accurately identify ABO blood group.Methods Twenty blood sam-ples were selected,in which 18 samples were ABO normal blood group and 2 samples were the ABO subtype. Exons 6 and 7 of ABO blood group gene were amplified by sequence-specific primer PCR (PCR-SSP),and then the gene sequence was directly sequenced and analyzed by PCR,and the ABO blood group was identified by comparing with the ABO reference sequence.Results The gene sequencing results of 20 blood samples were consistent with the serological results.In 2 subtype samples,the genotype in 1 sample was BA.02/O.01 and its phenotype was B(A) subtype.C>G mutation occurred at position 700 of the 7th exon,which resulted in proline changing to alanine at position 234 during amino acid translation.The genotype of the other sample was AW.37/B.01 and the phenotype was AxB subtype.The position 940 of the 7th exon mutates from ade-nine to guanine,resulting in the mutation of lysine changing to glutamic acid at position 314 during protein translation.Conclusion A method of ABO blood group gene sequencing suitable for laboratory is estab-lished,which could accurately identify ABO blood group.


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