1.Herbal Textual Research on Spatholobi Caulis in Famous Classical Formulas
Yajie XIANG ; Yangyang LIU ; Jian FENG ; Chun YAO ; Erwei HAO ; Wenlan LI ; Zhilai ZHAN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(6):238-248
Through consulting herbal medicine, medical books, and local chronicles from past dynasties to modern times, this paper systematically researched Spatholobi Caulis from name, origin, producing areas, harvesting, processing, usage, quality evaluation, functions and indications, providing a reference for the development and utilization of famous classical formulas containing Spatholobi Caulis. According to the research, Spatholobi Caulis was first recorded in the Annals of Shunning Prefecture from the Qing dynasty. It was originally a medicinal herb commonly used in Shunning, Yunnan, and was named from the red juice resembling chicken blood that flowed out after the vein was cut off. The mainstream original plants of each dynasty were Kadsura heteroclita and Spatholobus suberectus. Among them, K. heteroclita mainly focused on dispersing blood stasis and unblocking meridians, mainly treating rheumatic pain and injuries caused by falls or blows, and it is mostly used as the raw material of Jixueteng ointments. S. suberectus was commonly used as decoction pieces in decoction, which had the functions of promoting blood circulation and replenishing blood, activating meridians and collaterals, and mainly used for treating anemia, irregular menstruation, and rheumatic bone pain. The production area of Spatholobi Caulis recorded in the Qing dynasty was Yunnan. Currently, the main production area of S. suberectus is Guangxi, while the main production area of K. interior is Yunnan. In the Qing dynasty, the usage of Spatholobi Caulis was an individual prescription with other herbs before making ointments, which was usually composed of the juice of it, safflower, angelica, and glutinous rice. But in modern times, Spatholobi Caulis is mostly sliced and dried for use. The quality of Spatholobi Caulis is often determined by the number of reddish-brown concentric circles on the cut surface, with a higher number indicating better quality. Additionally, the presence of resinous secretions is also considered desirable. Based on the research findings, it is suggested that when developing famous classical formulas containing Spatholobi Caulis, the choice of the primary source should be S. suberectus or K. heteroclita, taking into consideration the therapeutic effects of the formula. It is also recommended that the latest plant classification be referenced in the next edition of Chinese Pharmacopoeia, adjusting the primary source of Kadsurae Caulis to K. heteroclita to avoid confusion caused by inconsistent original names, and the functions adjust to promote Qi circulation and relieve pain, disperse blood stasis and unblock collaterals, treating injuries caused by falls and bruises.
2.Chinesization of the HEMO-FISS-QoL questionnaire and its reliability and validity
Songpeng SUN ; Shan JIA ; Fangfang XU ; Tianyu LI ; Zhiyun ZHANG ; Qiaorong CAO ; Xinjian LI ; Yao WU ; Weiping WAN ; Bin SHI ; Jianguo WANG ; Hong NI ; Longyu LIANG ; Xingxiao HUO ; Tianqing YANG ; Lei TIAN ; Ying TIAN ; Mei LIN ; Zhanjun WANG ; Yangyang ZHOU ; Hongchuan CHU ; Riyu LIAO ; Kuerban XIEYIDA ; Junhong LONG ; Shuxin ZHANG
Chinese Journal of Behavioral Medicine and Brain Science 2024;33(1):75-82
Objective:To evaluate the reliability and validity of the Chinese version of HEMO-FISS-QoL(HF-QoL) questionnaire (HF-QoL-C) in the Chinese population with hemorrhoids.Methods:From November 2021 to November 2022, a self-constructed general information questionnaire, HF-QoL-C, and the 36-item short form health survey (SF-36), Goligher classification, and Giordano severity of hemorrhoid symptom questionnaire (GSQ) were used to conduct a questionnaire survey on 760 hemorrhoid patients in the anorectal department of six hospitals. The data was analyzed for reliability and validity using SPSS 21.0 and AMOS 26.0 software.Results:The Cronbach's α coefficient of HF-QoL-C and its dimension ranged from 0.831 to 0.960, and the split coefficient was 0.832-0.915. Four common factors were extracted through principal component exploratory factor analysis. Confirmatory factor analysis indicated acceptable structural validity( χ2/ df=8.152, RSMEA=0.097, CFI=0.881, IFI=0.881, NFI=0.867). HF-QoL-C was correlated with SF36 and GSQ( r=-0.694, 0.501, both P<0.01). There were differences in the total score and dimensional scores of HF-QoL-C between surgical and drug treated patients, different grades of Goligher classification for hemorrhoidal disease, and different ranges of hemorrhoid prolapse (all P<0.001). No ceiling effect was found in the total score and the scores of each dimension(0.3%-2.0%). There was a floor effect in both psychological function and sexual activity dimensions (16.7%, 35.1%). Conclusion:HF-QoL-C has good reliability and validity, which can be used to measure the quality of life of Chinese hemorrhoid patients.
3.Clinical-CT model for evaluating lymphovascular and/or perineural invasion of esophageal squamous cell carcinoma
Hanyu WEI ; Changhua LIANG ; Siyu ZHEN ; Xinmiao YANG ; Yangyang YAO ; Zhengqi WEI ; Qiang LI ; Sijia CHENG
Chinese Journal of Medical Imaging Technology 2024;40(2):235-240
Objective To establish a clinical-CT model,and to observe its value for evaluating lymphovascular invasion(LVI)and/or perineural invasion(PNI)in esophageal squamous cell carcinoma(ESCC).Methods Data of 156 ESCC patients were retrospectively analyzed.The patients were divided into positive group(n=58,LVI[+]and/or PNI[+])and negative group(n=98,LVI[-]and PNI[-])according to postoperative pathological results.Clinical and CT data were compared between groups.Logistic regression analysis was performed to establish a model,and its efficacy of evaluating ESCC LVI and/or PNI was analyzed.Results Significant differences of carcinoembryonic antigen(CEA),carbohydrate antigen 199(CA199),tumor thickness,tumor volume and CT venous phase value(CTV),the difference between CTV and CT plain phase value(CTP)(△CTV-P)and venous phase enhancement rate(V%)were found between groups(all P<0.05),and the area under the curve(AUC)of the above parameters for evaluating ESCC LVI and/or PNI was 0.702,0.690,0.731,0.744,0.621,0.631 and 0.599,respectively.CEA,CA199,tumor thickness,tumor volume and CTV were all independent predictive factors for ESCC LVI and/or PNI.A combined model was established based on the above features,and its accuracy,sensitivity and specificity for evaluating ESCC LVI and/or PNI was 82.05%,65.52%and 91.84%,respectively,with AUC of 0.838,higher than that of each single parameter(all P<0.05).Conclusion The established clinical-CT model could effectively evaluate ESCC LVI and/or PNI.
4.Clinical features and prognostic analysis of testicular relapse in pediatric acute lymphoblastic leukemia
Ning WANG ; Yangyang GAO ; Benquan QI ; Min RUAN ; Hui LYU ; Xiaoyan ZHANG ; Ranran ZHANG ; Tianfeng LIU ; Yumei CHEN ; Yao ZOU ; Ye GUO ; Wenyu YANG ; Li ZHANG ; Xiaofan ZHU ; Xiaojuan CHEN
Chinese Journal of Pediatrics 2024;62(3):262-267
Objective:To investigate the clinical features and prognosis of testicular relapse in pediatric acute lymphoblastic leukemia (ALL).Methods:Clinical data including the age, time from initial diagnosis to recurrence, relapse site, and therapeutic effect of 37 pediatric ALL with testicular relapse and treated in Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences between November 2011 and December 2022 were analyzed retrospectively. Patients were grouped according to different clinical data. Kaplan-Meier analysis was used to evaluate the overall survival (OS) rate and event free survival (EFS) rate for univariate analysis, and Cox proportional-hazards regression model was used to evaluate the influencing factors of OS rate and EFS rate for multivariate analysis.Results:The age at initial diagnosis of 37 pediatric testicular relapse patients was (5±3) years and the time from initial diagnosis to testicular recurrence was (37±15) months. The follow-up time was 43 (22, 56) months. Twenty-three patients (62%) were isolated testis relapse. The 5-year OS rate and EFS rate of the 37 relapsed children were (60±9) % and (50±9) % respectively. Univariate analysis showed that the 2-year EFS rate in the group of patients with time from initial diagnosis to testicular recurrence >28 months was significantly higher than those ≤28 months ((69±10)% vs. (11±11)%, P<0.05), 2-year EFS rate of the isolated testicular relapse group was significantly higher than combined relapse group ((66±11)% vs. (20±13) %, P<0.05), 2-year EFS rate of chimeric antigen receptor T (CAR-T) cell treatment after relapse group was significantly higher than without CAR-T cell treatment after relapse group ((78±10)% vs. (15±10)%, P<0.05). ETV6-RUNX1 was the most common genetic aberration in testicular relapsed ALL (38%, 14/37). The 4-year OS and EFS rate of patients with ETV6-RUNX1 positive were (80±13) % and (64±15) %, respectively. Multivariate analysis identified relapse occurred≤28 months after first diagnosis ( HR=3.09, 95% CI 1.10-8.72), combined relapse ( HR=4.26, 95% CI 1.34-13.52) and CAR-T cell therapy after relapse ( HR=0.15,95% CI 0.05-0.51) were independent prognostic factors for 2-year EFS rate (all P<0.05). Conclusions:The outcome of testicular relapse in pediatric ALL was poor. They mainly occurred 3 years after initial diagnosis. ETV6-RUNX1 is the most common abnormal gene.Patients with ETV6-RUNX1 positive often have a favorable outcome. Early relapse and combined relapse indicate unfavorable prognosis, while CAR-T cell therapy could significantly improve the survival rate of children with testicular recurrence.
5.Correlation of EGFR and ALK Mutation Status in Solid Lung Adenocarcinoma Based on Quantitative Parameters of Spectral CT
Zhengqi WEI ; Changhua LIANG ; Siyu ZHEN ; Beichen XIE ; Yangyang YAO
Chinese Journal of Medical Imaging 2024;32(6):572-578
Purpose To analyze the correlation between quantitative parameters of spectral CT and the mutation status of epidermal growth factor receptor(EGFR)and anaplastic lymphoma kinase(ALK)genes in solid lung adenocarcinoma,in order to predict the expression of gene mutation in solid lung adenocarcinoma by combining spectral parameters with clinical indicators.Materials and Methods The imaging and clinical data of 86 patients in the First Affiliated Hospital of Xinxiang Medical College pathologically confirmed with lung adenocarcinoma who underwent energy spectral CT plain and enhanced scans from May 2020 to May 2022 were retrospectively collected.According to the mutation status of EGFR and ALK genes,all patietns were divided into mutation group(43 cases)and wild group(43 cases).The single-energy CT values(including 40 keV,70 keV and 100 keV),slope of energy spectrum curve,effective atomic number during plain scan,iodine concentration in arterial and venous phases,water concentration and iodine concentration in arteries at the same level were obtained,and standardized iodine base value was also calculated.Statistically significant parameters were used to construct the prediction model,and the receiver operating characteristic curve was performed to evaluate the prediction efficiency of the model.Results There were statistically significant differences in gender and smoking status between the EGFR mutation group and the wild-type group(χ2=5.628,P=0.018;χ2=4.214,P=0.040).There were statistically significant differences in plain scan effective atomic number and energy spectrum slope,arterial phase 40 keV,70 keV and 100 keV single-energy CT values,40 keV single-energy CT values in the venous phase,the slope of the arteriovenous dual-phase energy spectrum and the standardized iodine base value between the two groups(t=2.067-4.394,all P<0.05).Logistic regression analysis showed that normalized iodine base value and energy spectrum slope in venous phase were the independent predictors of EGFR gene mutation status.There were no significant differences in quantitative parameters of plain scan and arterial phase energy spectrum CT between the ALK mutant group and the wild-type group(P>0.05).There was statistically significant difference in water base value of venous phase between the two groups(t=2.058,P=0.043).Conclusion The quantitative features of spectral CT may be correlated with the mutation status of EGFR and ALK genes in solid lung adenocarcinoma,and the Logistic regression model based on the combination of quantitative features of spectral CT and clinical features has certain value in predicting EGFR gene mutation.
6.Clinical application of excimer laser ablation in lower extremity arterial ischemic diseases
Yangyang LI ; Sicheng YAO ; Jiareke TANG ; Jianping YANG ; Bing ZHU ; Sheng GUAN ; Xiaohu GE ; Hongbo CI
International Journal of Surgery 2023;50(7):468-473
Objective:To evaluate the therapeutic effect of excimer laser ablation (ELA) in the treatment of lower extremity arterial ischemic diseases.Methods:The clinical data of 44 patients with lower extremity ischemic diseases treated with ELA in the People′s Hospital of Xinjiang Uygur Autonomous Region from December 2020 to April 2021 were analyzed retrospectively. Among the 44 patients, there were 29 patients in lower extremity arteriosclerosis obliterans (ASO), including 3 patients with femoral artery stent occlusion. 8 patients of diabetes foot (DF) and 7 patients of thromboangiitis obliterans (TAO). Observation indicators include target vascular patency rate, amputation rate, vascular reintervention rate and mortality rate. The measurement data were expressed as mean ± standard deviation ( ± s), one-way analysis of variance was used for inter-group comparison, and paired sample t-test was used for intra-group comparison. The Chi-square test was used for comparison between count data. Results:The success rate of operation was 100% in 44 patients. The rate of major amputation in ASO group was 10.3%, while the other two groups had a major amputation rate of 0. The minor amputation rates of the three groups were 6.9%, 25.0% and 28.6%, respectively. The vascular reintervention rate was 10.3% in ASO group, 12.5% in DF group and 0 in TAO group. The 1-year mortality rate in the ASO group was 10.3%, while the other two groups had a mortality rate of 0. The 2-year mortality rate of the three group were 31.0%, 12.5% and 0, respectively.Conclusion:For the treatment of lower extremity arterial ischemic diseases, ELA is safe and effective, but the curative effect need to further clarify by large sample and long-term clinical follow-up observation.
7.Treatment and factors associated with prognosis of hyperkalemia in the emergency department
Yao WU ; Yangyang FU ; Hanqi TANG ; Meng LEI ; Wenlin HAO ; Huadong ZHU ; Shengyong XU ; Jun XU ; Xuezhong YU
Chinese Critical Care Medicine 2023;35(3):321-325
Objective:To survey treatment and prognosis of hyperkalemia patients in the emergency department and to analyze factors associated with all-cause in-hospital mortality.Methods:We implemented electronic hospital information system, extracted demographic characteristics, underlying diseases, laboratory findings, potassium lowering therapy and prognosis of hyperkalemia patients [age ≥ 18 years, serum potassium (K +) concentration ≥ 5.5 mmol/L] in the emergency department of Peking Union hospital in Beijing between June 1st 2019 to May 31st 2020. The enrolled subjects were divided into the non-survival group and the survival group according to their prognosis. Univariate analysis and Cox regression model were adopted to analyze factors affecting all-cause in-hospital mortality of hyperkalemia patients. Results:A total of 579 patients [median age 64 (22) years; 310 men (53.5%) and 269 women (46.5%)] with hyperkalemia were enrolled, among which, 317 (54.7%), 143 (24.7%) and 119 (20.6%) were mild, moderate, and severe hyperkalemia, respectively. 499 (86.20%) patients received potassium-lowering therapy, forty-four treatment regimens were administered. Insulin and glucose (I+G, 61.3%), diuretics (Diu, 57.2%), sodium bicarbonate (SB, 41.9%) and calcium gluconate/chloride (CA, 44.4%) were commonly used for the treatment of hyperkalemiain the emergency department. The combination of insulin and glucose, calcium gluconate/chloride, diuretics and sodium bicarbonate (I+G+CA+Diu+SB) was the most favored combined treatment regimen of hyperkalemia in the emergency department. The higher serum potassium concentration, the higher proportion of administrating combined treatment regimen and/or hemodialysis (HD) (the proportion of administrating combined treatment regimen in mild, moderate, and severe hyperkalemia patients were 58.4%, 82.5% and 94.8%; the proportion of administrating HD in mild, moderate, and severe hyperkalemia patients were 9.7%, 13.3% and 16.0%, respectively). The proportion of achievement of normokalaemia elevated as the kinds of potassium lowering treatment included in the combined treatment regimen increased. The proportion of achievement of normokalaemia was 100% in the combined treatment regimen including 6 kinds of potassium lowering therapy. Among various potassium lowering treatments, HD contributed to the highest rate of achievement of normokalaemia (93.8%). 111 of 579 (19.20%) hyperkalemia patients died in hospital. Cox regression model revealed that complicated with cardiac dysfunction predicted higher mortality [hazard ratio ( HR) = 1.757, 95% confidence interval (95% CI) was 1.155-2.672, P = 0.009]. Achievement of normokalaemia and administration of diuretics attributed to lower mortality ( HR = 0.248, 95% CI was 0.155-0.398, P = 0.000; HR = 0.335, 95% CI was 0.211-0.531, P = 0.000, respectively). Conclusions:Treatment of hyperkalemia in the emergency department were various. Complicated with cardiac dysfunction were associated with higher mortality. Achieving normokalaemia was associated with decreased mortality.
8.Mismatched donor cell infusion-related syndrome following microtransplant in patients with acute myeloid leukemia.
Bo CAI ; Xiaoyan ZOU ; Xin NING ; Tieqiang LIU ; Bingxia LI ; Yaqing LEI ; Jianhui QIAO ; Kaixun HU ; Yangyang LEI ; Zhiqing LIU ; Bo YAO ; Huisheng AI ; Yi WANG ; Changlin YU ; Mei GUO
Chinese Medical Journal 2023;136(7):815-821
BACKGROUND:
Immunotherapies such as adoptive immune cell infusion and immune-modulating agents are widely used for cancer treatment, and the concomitant symptoms, including cytokine release syndrome (CRS) or immune-related adverse events (irAEs), are frequently reported. However, clinical manifestations induced by mismatched donor granulocyte colony-stimulating factor mobilized peripheral blood mononuclear cell (GPBMC) infusion in patients receiving microtransplant (MST) have not yet been well depicted.
METHODS:
We analyzed 88 cycles of mismatched GPBMC infusion in patients with acute myeloid leukemia receiving MST and 54 cycles of chemotherapy without GPBMC infusion as a comparison. Clinical symptoms and their correlation with clinical features, laboratory findings, and clinical response were explored.
RESULTS:
Fever (58.0% [51/88]) and chills (43.2% [38/88]) were the significant early-onset symptoms after GPBMC infusion. Patients possessing less human leukocyte antigen-matching loci with the donor or those with unrelated donors experienced more chills (3 [2-5] loci vs. 5 [3-5] loci, P = 0.043 and 66.7% [12/18] vs. 37.1% [26/70], P = 0.024). On the other hand, those with decreased CD4 + /CD8 + T-cell ratio developed more fever (0.8 [0.7-1.2] vs. 1.4 [1.1-2.2], P = 0.007). Multivariable analysis demonstrated that younger patients experienced more fever (odds ratio [OR] = 0.963, 95% confidence interval [CI]: 0.932-0.995, P = 0.022), while patients with younger donors experienced more chills (OR = 0.915, 95% CI: 0.859-0.975, P = 0.006). Elevated ultra-sensitive C-reactive protein levels in the absence of cytokine storm were observed following GPBMC infusion, which indicated mild and transient inflammatory response. Although no predictive value of infusion-related syndrome to leukemia burden change was found, the proportion of host pre-treatment activated T cells was positively correlated with leukemia control.
CONCLUSIONS
Mismatched GPBMC infusion in MST induced unique infusion-related symptoms and laboratory changes, which were associated with donor- or recipient-derived risk factors, with less safety and tolerance concerns than reported CRS or irAEs.
Humans
;
Leukocytes, Mononuclear
;
Hematopoietic Stem Cell Transplantation/adverse effects*
;
Leukemia, Myeloid, Acute/therapy*
;
Unrelated Donors
;
Granulocyte Colony-Stimulating Factor
;
Graft vs Host Disease
9.Relationship between arterial blood partial pressure of carbon dioxide and prognosis of neurological function after cardiopulmonary resuscitation
Yangyang ZOU ; Ting CHEN ; Li YAO
Chinese Journal of Primary Medicine and Pharmacy 2023;30(5):714-718
Objective:To investigate the relationship between arterial blood partial pressure of carbon dioxide and neurological outcome after cardiopulmonary resuscitation.Methods:The clinical data of 116 patients who underwent cardiopulmonary resuscitation admitted to the Intensive Care Unit and Emergency Department of the Second People's Hospital of Hefei from January 2018 to January 2020 were retrospectively analyzed. According to the average arterial blood partial pressure of carbon dioxide within 24 hours after admission, patients were divided into normal (35 mmHg ≤ PaCO 2 ≤ 55 mmHg, 1 mmHg = 0.133 kPa, n = 44), hypercapnia (PaCO 2 > 55 mmHg, n = 51), and hypocapnia (PaCO 2 < 35 mmHg, n = 21) groups. ICU stay, in-hospital mortality, and neurological outcome at discharge were compared among groups. A logistic regression analysis model was established. The relationship between PaCO 2 and neurological outcome was determined. Results:There were no significant differences in age, sex, cardiac arrest time, acute physiological and chronic health evaluation II score at admission, 1-hour mean arterial pressure, location of cardiac arrest, and initial heart rhythm among the three groups (all P > 0.05). ICU stay in the normal group [(7.23 ± 2.55) days] was significantly higher than that in the hypercapnia [(12.21 ± 4.12) days] and hypocapnia [(11.78 ± 4.72) days] groups ( t = 6.48, 4.59, both P < 0.01). In-hospital mortality in the normal group was 38.6% (17/44), which was significantly lower than 60.8% (31/51) in the hypercapnia group and 66.7% (14/21) in the hypocapnia group ( χ2 = 4.63, 4.47, both P < 0.05). The good neurological outcome rate in the normal group was 55.6% (15/44), which was significantly higher than 25.0% (5/51) in the hypercapnia group and 28.6% (2/21) in the hypocapnia group ( χ2 = 8.38, 5.14, both P < 0.05). Multivariate logistic regression analysis showed that cardiac arrest time, 1-hour mean arterial pressure, acute physiological and chronic health evaluation II score, and PaCO 2 are important factors for neurological outcomes of resuscitated patients at discharge (all P < 0.01). Conclusion:Within 24 hours after cardiopulmonary resuscitation, maintaining a normal PaCO 2 level can help improve the neurological outcome of patients at discharge.
10.Effects of miRNA-30a-5p and metadherin on proliferation, invasion and migration abilities of breast cancer cells
Xiaohong ZHANG ; Fanchao DONG ; Xiao ZHOU ; Juan WANG ; Zhihui WANG ; Shaobo YAO ; Yangyang DU ; Zhiqiang YANG
Cancer Research and Clinic 2023;35(3):193-199
Objective:To investigate the effects of miRNA-30a-5p (miR-30a-5p) and metadherin (MTDH) on the proliferation, invasion and migration abilities of human breast cancer cells in vitro.Methods:The expression of MTDH in cancer and paracancerous tissues of 112 breast cancer patients in the database and miR-30a-5p in cancer and paracancerous tissues of 103 breast cancer patients in the database were analyzed using data from The Cancer Genome Atlas (TCGA) database. Pearson correlation analysis was used to analyze the correlation between miR-30a-5p and MTDH in 1 222 breast cancer patients in the database; the data were updated to August 2022. Breast cancer MDA-MB-231 cells were divided into negative control group (transfected with negative control sequence), miR-30a-5p overexpression group (transfected with miR-30a-5p mimics), siMTDH group [transfected with small interfering RNA against MTDH (siMTDH)], siMTDH+miR-30a-5p overexpression group (transfected with both siMTDH and miR-30a-5p mimics); cell proliferation ability was detected by methyl thiazol tetrazolium (MTT) assay, cell migration ability was detected by cell scratch assay, cell invasion ability was detected by Transwell assay. The relative expressions of miR-30a-5p, MTDH, matrix metalloproteinase (MMP)-2, MMP-9, vimentin and β-catenin mRNA in cells were detected by quantitative real-time fluorescence polymerase chain reaction (qRT-PCR), and the expressions of MTDH, N-cadherin (N-cad), β-catenin, Snail and MMP-9 proteins were detected by Western blotting.Results:In the TCGA database, MTDH expression level was higher and miR-30a-5p expression level was lower in breast cancer tissues compared with paracancerous tissues, and the differences were statistically significant (both P < 0.001). There was a negative correlation between MTDH and miR-30a-5p expressions in 1 222 patients with breast cancer ( r=-0.134, P < 0.001). Compared with the negative control group, the cell proliferation ability was reduced in both siMTDH group and miR-30a-5p overexpression group at 24, 48 and 72 h (all P < 0.001). The cell scratch healing rate in miR-30a-5p overexpression group and siMTDH group was lower than that in negative control group [(61.6±1.6)%, (54.7±5.9)% vs. (80.3±3.0)%] (both P < 0.05). Compared with the negative control group, The number of migrated cells in miR-30a-5p overexpression group and siMTDH group was less than that in negative control group (881±50, 725±63 vs. 1 172±66) (both P < 0.05). Compared with the negative control group, the relative expressions of MMP-2, MMP-9, vimentin and β-catenin mRNA were all down-regulated in MDA-MB-231 cells of miR-30a-5p overexpression group and siMTDH group (all P < 0.05). Compared with the negative control group, the relative expressions of N-cad, β-catenin, Snail and MMP-9 proteins were down-regulated in MDA-MB-231 cells of miR-30a-5p overexpression group and siMTDH group (all P < 0.05). There was no statistical difference in the number of migrated MDA-MB-231 cells between siMTDH+miR-30a-5p overexpression group and siMTDH group (476±5 vs. 389±46, t = 3.37, P = 0.078). There was no statistical difference in the number of migrated cells between siMTDH+miR-30a-5p overexpression group and miR-30a-5p overexpression group (476±5 vs. 477±22, t = 0.02, P = 0.983). Conclusions:The expression of miR-30a-5p is negatively correlated with the expression of MTDH in breast cancer tissues, and either overexpression of miR-30a-5p or silence of MTDH in breast cancer MDA-MB-231 cells in vitro can inhibit cell proliferation, invasion and migration, but MTDH may not be a target gene of miR-30a-5p.

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