Factors affecting physical examinations among patients with severe mental disorders in Shaoxing City / 预防医学

Objective@#To investigate the proportion of physical examinations among patients with severe mental disorders and its influencing factors in Shaoxing City, Zhejiang Province, so as to provide the evidence for improving the proportion of physical examinations among patients with severe mental disorders. @*Methods @#The epidemiological and clinical features of patients with severe mental disorders included in community management in Shaoxing City in 2022 were collected from Zhejiang Provincial Severe Mental Disorder Management Information System, including demographics, disease diagnosis and treatment, physical examination, and rescue and assistance. Factors affecting the physical examination were identified among patients with severe mental disorders using a multivariable logistic regression model. @*Results@#A total of 25 468 patients with severe mental disorders were enrolled in Shaoxing City in 2022, including 12 151 males and 13 317 females, with a male to female ratio of 0.91∶1, and the participants had a mean age of (54.34±14.71) years. Schizophrenia was the predominant type of severe mental disorders (15 419 cases, 60.54%), and 21 374 subjects participating in the physical examinations in 2022 (83.92%). Multivariable logistic regression analysis showed that female (OR=0.901, 95%CI: 0.832-0.975), urban areas (OR=0.506, 95%CI: 0.468-0.547), mental disorders due to epilepsy (OR=1.779, 95%CI: 1.104-2.866), hospitalized treatment (6 to 10 times, OR=0.523, 95%CI: 0.401-0.681; 11 times and more, OR=0.177, 95%CI: 0.108-0.288), special diseases in outpatient (OR=1.738, 95%CI: 1.597-1.891), receiving medical assistance (OR=2.851, 95%CI: 2.616-3.107), targets of the community care and assistance groups (OR=1.653, 95%CI: 1.471-1.857) and guardian (spouse, OR=1.777, 95%CI: 1.513-2.086; children, OR=1.277, 95%CI: 1.069-1.526; parents, OR=1.342, 95%CI: 1.143-1.576) were statistically associated with the proportion of physical examinations. @*Conclusions@#The proportion of health examinations was 83.92% among patients with severe mental disorders in Shaoxing City in 2022. Gender, residence, guardian, disease diagnosis, times of hospitalized treatment, medical assistance, special diseases in outpatients and target of community care and assistance groups were factors affecting health examinations among patients with severe mental disorders.

Research Progress of Exosomal microRNA in Cardiovascular Disease and Its Forensic Application Prospects / 法医学杂志

Exosomal microRNAs (miRNAs) are miRNAs that are mediated by exosomes to achieve cell-to-cell communication, and they are widespread in organisms. In recent years, the key role of the multiple biological functions of exosomal miRNAs in the occurrence and development of cardiovascular diseases has been confirmed by a large number of studies, which has become a hot spot in clinical and basic research. Sudden cardiac death caused by cardiovascular disease is one of the important contents in forensic medical identification. This article introduces the research progress of cardiovascular disease prediction, treatment and prognosis on exosomal miRNA. The prospects of the application in forensic medical identification are discussed.

Study on the levels and risk factors of Vitamin D from preconception to pregnancy / 中华疾病控制杂志

Objective To investigate the levels of serum Vitamin D(VD) from preconception to pregnancy in Jiading district of Shanghai, and explore the risk factors of VD concentration deficiency in the second and third trimester of pregnancy. Methods A total of 94 women who planned to have antenatal care and delivery in Maternal and Child Health Hospital of Jiading district of Shanghai from September 2016 to December 2018 were recruited as the study participants. Chemiluminescent immunoassay (CLIA) was used to examine the concentration of women’s serum VD from preconception to pregnancy. A total of 282 serum samples were detected. Results The prevalence of VD deficiency among 94 women from preconception to pregnancy were 40.4%,57.4% and 48.9% respectively. Results of the mixed linear model showed that women who had dyed or permed hair within the past 1 year had significantly lower serum VD levels during pregnancy (P<0.05), and women who often drank milk and ate deep-sea fish during pregnancy had higher VD levels during pregnancy (P<0.05). Conclusions VD deficiency was common among women in Jiading district of Shanghai, and it should be emphasized to supplement VD before and during pregnancy.

A simple bedside model to predict the risk of in-hospital mortality in Stanford type A acute aortic dissection / 中国胸心血管外科临床杂志

@#Objective     To investigate predictors for mortality among patients with Stanford type A acute aortic dissection (AAD) and to establish a predictive model to estimate risk of in-hospital mortality. Methods     A total of 999 patients with Stanford type A AAD enrolled between 2010 and 2015 in our hospital were included for analysis. There were 745 males and 254 females with a mean age of 49.8±12.0 years. There were 837 patients with acute dissection and 182 patients (18.22%) were preoperatively treated or waiting for surgery in the emergency department and 817 (81.78%) were surgically treated. Multivariable logistic regression analysis was used to investigate predictors of in-hospital mortality. Significant risk factors for in-hospital death were used to develop a prediction model. Results     The overall in-hospital mortality was 25.93%. In the multivariable analysis, the following variables were associated with increased in-hospital mortality: increased age (OR=1.04, 95% CI 1.02 to 1.05, P<0.000 1), acute aortic dissection (OR=2.49, 95% CI 1.30 to 4.77, P=0.006 1), syncope (OR=2.76, 95% CI 1.15 to 6.60, P=0.022 8), lower limbs numbness/pain (OR=7.99, 95% CI 2.71 to 23.52, P=0.000 2), type Ⅰ DeBakey dissection (OR=1.72, 95% CI 1.05 to 2.80, P=0.030 5), brachiocephalic vessels  involvement (OR=2.25, 95% CI 1.20 to 4.24, P=0.011 7), acute liver insufficiency (OR=2.60, 95% CI 1.46 to 4.64, P=0.001 2), white blood cell count (WBC)>15×109 cells/L (OR=1.87, 95% CI 1.21 to 2.89, P=0.004 9) and massive pericardial effusion (OR=4.34, 95% CI 2.45 to 7.69, P<0.000 1). Based on these multivariable results, a reliable and simple bedside risk prediction tool was developed. Conclusion     Different clinical manifestations and imaging features of patients with Stanford type A AAD predict the risk of in-hospital mortality. This model can be used to assist physicians to quickly identify high risk patients and to make reasonable treatment decisions.

Influence of ox-LDL on migration function of THP-1 macrophages and microRNA21 expression and MAPK pathway phosphorylation / 心血管康复医学杂志

Objective :To explore influence of oxidized low density lipoprotein (ox-LDL ) on migration function of THP-1 macrophages ,expression of microRNA 21 (miR-21) and mitogen-activated protein kinase (MAPK) path-way.Methods :Phorbol myristate acetate (PMA) of 160nmol/L was used to induce THP-1 cells to differentiate into macrophages.According to application of ox-LDL treatment and liposomes-mediated miR-21 inhibitor transfecting THP-1 macrophages (transfection for short) or not ,THP-1 macrophages were divided into blank control group (re-ceived neither ox-LDL treatment nor transfection ) ,ox-LDL group (received 50mg/L ox-LDL treatment without transfection) ,miR-21 inhibitor group (received 50mg/L ox-LDL treatment after transfection ) and miR-21 inhibitor negative-control group (received 50mg/L ox-LDL treatment after negative-control transfection ).THP-1 macro-phage migration number was measured by transwell method ,miR-21 expression was measured by real-time quantita-tive PCR ,and expression of dual specific phosphate 8 (DUSP-8) and phosphorylation level of MAPK pathway were measured by Western-blot method .Results :Compared with blank control group ,there were significant rise in mi-gration number of THP-1 macrophages [(74.10 ± 15.10) vs.(184.10 ± 26.28)] ,miR-21 expression [(1.00 ± 0.21) vs.(2.02 ± 0.27)] and phosphorylation levels of JNK and P38 protein ,and significant reduction in expression of DUSP-8 protein in ox-LDL group ,P＜0.01 all.Compared with ox-LDL group ,there were significant reductions in migration number of THP-1 macrophages [ (184.10 ± 26.28) vs.(58.50 ± 10.24)] ,miR-21 expression [ (2.02 ± 0.27) vs.(0.66 ± 0.16)] and phosphorylation levels of JNK and P38 protein ,and significant rise in expression of DUSP-8 protein in ox-LDL group , P＜0. 01 all .Conclusion : Ox-LDL enhances migration function of macrophages , which may be related to its effects of upregulating miR-21 expression ,enhancing phosphorylation of JNK and P38 protein of MAPK pathway and reducing DUSP-8 expression .

Lipid-lowering effect of seven traditional Chinese medicine monomers in zebrafish system / 生理学报

The present study aimed to study lipid-lowering effect of seven traditional Chinese medicine monomers in zebrafish system. Zebrafish were fed with high fat diet to establish a hyperlipemia model, then fasted and bathed with seven traditional Chinese medicine monomers stigmasterol, triacontanol, chrysophanol, vanillic acid, shikimic acid, polydatin and oleanolic acid respectively. The oil red O staining was used to detect the blood lipids of zebrafish. Serum total cholesterol and triglyceride levels were detected to validate the lipid-lowering effect. The result showed that a zebrafish model of hyperlipemia could be established by feeding larvae zebrafish with high fat diet. Among the seven traditional Chinese medicine monomers, chrysophanol had lipid-lowering effect. Chrysophanol significantly reduced serum total cholesterol and triglyceride levels in adult zebrafish fed with high fat diet. Chrysophanol accelerated peristalsis frequency of zebrafish intestine and the excretion of high fat food. It is concluded that chrysophanol has lipid- lowering effect in zebrafish, and the mechanism of the effect may be due to the roles of chrysophanol in reducing lipid absorption from gastrointestinal tract and accelerating the excretion of food.

Clinical Study on Acupuncture at Lower He-Sea Point for Promoting Functional Recovery after Stomach Cancer Surgery / 上海针灸杂志

Objective To investigate the clinical efficacy of acupuncture at lower He-Sea point in promoting functional recovery after stomach cancer surgery.Methods Sixty patients who had undergone stomach cancer surgery were randomly allocated to treatment and control groups by using random number table method according to registration order, 30 cases each. The control group received general treatment and the treatment group, acupuncture in addition. Post-treatment gastric tube removal time, borborygmus recovery time and first fart time, the average hospitalization days, and the total cost were observed and the Quality of Life Questionnaire Core 30 (QLQ-C30) score was recorded in the two groups of patients. Post-treatment incidence of adverse reactions, peripheral white blood cell (WBC) counts, C-reactive protein (CRP) levels and plateletcrits (PCT) were compared between the two groups.Results There were statistically significant differences in post-treatment gastric tube removal time, borborygmus recovery time, first fart time and hospitalization days, and the total hospitalization expenses between the two groups of patients (P<0.01). There were also statistically significant differences in post-treatment incidences of nausea, vomiting, abdominal pain and abdominal distension between the two groups (P<0.05). Post-treatment QLQ-C30 score was (38.35±15.25) in treatment group and (76.23±10.67) in the control group; there was a statistically significant difference between the two groups (P<0.01). There were statistically significant differences in WBC and CRP levels at the end of operation and 24 hrs after treatment between the two groups (P<0.01,P<0.05). Conclusions Acupuncture can be used for early treatment after stomach cancer surgery. It can promote the recovery of gastrointestinal function and improve the overall quality of life in the patients.

Drug brand preference and its effect on medication compliance and efficacy for outpatients with depression / 药学实践杂志

Objective To investigate drug brand preference and its effect on medication compliance and efficacy in pa-tients with depression ,to guide patient′s rational use of limited medical resources and achieve a safe and effective drug use . Methods 459 outpatients were divided into the brand drug group and the generic drug group according to the current drug therapy stage .The patients in both groups were assessed by drug brand preference and medication compliance .In the brand group ,the patients with high brand preference were chosen to replace with generic medication intervention for 8 weeks .Drug education and psychological support were provided to those patients .Evaluation of therapeutic effect was conducted before and after generic replacement .Results About 1/3 patients had high response and 2/3 patients had low or no response to the brand preference .Patients on brand drugs had slightly higher brand preference than patients with generic drugs . Overall , the patients′response to brand preference gradually decreased with the duration of treatment .In general ,the medication compli-ance was acceptable .The patients taking brand drugs displayed significantly higher medication compliance than the patients taking generics .Correlation analysis showed that in brand medicine group ,medication compliance was closely related to brand response ,but negatively correlated with the patient′s age and treatment duration .In generics group ,patient medication compli-ance was not related to brand response ,but closely related with the degree of education and negatively related with the patient′s age and treatment duration .The anti-depression medication maintained same effectiveness in the generic group before and after the replacement ,and no severe adverse reactions occurred .Conclusion Medication compliance for patients taking branded drugs was associated with brand response .With medication education and psychological support ,alternative generic medicine treatment can give good efficacy with very minor side effects .The medical staff should provide medication education including pharmacoeconomics and the biological equivalence to guide the patients with rational use of the limited medical resources .

Clinical Study on Acupuncture at Lower He-Sea Point for Promoting Functional Recovery after Stomach Cancer Surgery / 上海针灸杂志

Objective To investigate the clinical efficacy of acupuncture at lower He-Sea point in promoting functional recovery after stomach cancer surgery.Methods Sixty patients who had undergone stomach cancer surgery were randomly allocated to treatment and control groups by using random number table method according to registration order, 30 cases each. The control group received general treatment and the treatment group, acupuncture in addition. Post-treatment gastric tube removal time, borborygmus recovery time and first fart time, the average hospitalization days, and the total cost were observed and the Quality of Life Questionnaire Core 30 (QLQ-C30) score was recorded in the two groups of patients. Post-treatment incidence of adverse reactions, peripheral white blood cell (WBC) counts, C-reactive protein (CRP) levels and plateletcrits (PCT) were compared between the two groups.Results There were statistically significant differences in post-treatment gastric tube removal time, borborygmus recovery time, first fart time and hospitalization days, and the total hospitalization expenses between the two groups of patients (P<0.01). There were also statistically significant differences in post-treatment incidences of nausea, vomiting, abdominal pain and abdominal distension between the two groups (P<0.05). Post-treatment QLQ-C30 score was (38.35±15.25) in treatment group and (76.23±10.67) in the control group; there was a statistically significant difference between the two groups (P<0.01). There were statistically significant differences in WBC and CRP levels at the end of operation and 24 hrs after treatment between the two groups (P<0.01,P<0.05). Conclusions Acupuncture can be used for early treatment after stomach cancer surgery. It can promote the recovery of gastrointestinal function and improve the overall quality of life in the patients.

Expression of recombinant human acetylcholinesterase and its application in screening its inhibitors / 药学学报

This study is designed to obtain recombinant human acetylcholinesterase (rhAChE) and apply it in screening acetylcholinesterase inhibitors. The rhAChE was overexpressed in HEK293 cells transfected by plasmid of pCMV-AChE with the cationic liposome and rhAChE was found to be secreted into cell culture medium. AChE activity was assayed according to modified Ellman method to obtain kinetic parameters. IC so50 values for donepezil compounds of rhAChE were calculated to determine their activities of inhibition. The results showed that Km value was 151.9 micromol.L-1 donepezil inhibited rhAChE in a mixed competitive-noncompetitive way (Ki= 16.03 nmol.L-1, Ki = 18.36 nmol.L-1) and that most new compounds tested exhibited high activities of inhibition on rhAChE. The study suggests that rhAChE is available to be applied in screening AChE inhibitors in vitro.

Experimental study on anti-tumor effect of xihuang pill and its immune clearance function / 中国中药杂志

<p><b>OBJECTIVE</b>To discuss the anti-tumor effect of Xihuang pill on tumor-bearing rats and its effect on the immune clearance function of tumor-bearing organisms.</p><p><b>METHOD</b>Walker256 tumor cells were adopted to establish the tumor-bearing rat model. The rats were randomly divided into five groups: the normal control group, the model control group, the lentinan group and Xihuang pill low dose, middle dose and high dose groups, with 10 rats in each group, and continuously treated and given drugs for 14 d after modeling. Blood and tumors were collected from abdominal aorta to calculate the tumor inhibition rate. The content of CD3+, CD4+, CD8+ T cells and adhesion molecule B7-1 (CD80) in peripheral blood were detected by flow cytometry (FCM). The expressions of IL-2 and IFN-gamma in were determined by ELISA.</p><p><b>RESULT</b>The tumor inhibition rate of the Xihuang pill high dose group was 33. 1 percent. Compared with the model group, the Xihuang pill large dose group showed significantly low IL-2, IFN-gamma, CD3+, CD4+, B7-1 in peripheral blood, with statistical significance in their differences (P < 0.05).</p><p><b>CONCLUSION</b>Xihuang pill could show its anti-tumor effect by enhancing the immune clearance function and increasing IL-2, IFN-gamma, CD3+ T, CD4+ T, B7-1 in peripheral blood.</p>

Lead distribution and 78,000 glucose regulated protein levels in various organs of weaned rats / 中华预防医学杂志

<p><b>OBJECTIVE</b>To investigate lead distribution and the change of 78 000 glucose regulated protein (GRP78) in various organs of weaned rats challenged with low-level maternal origin lead.</p><p><b>METHODS</b>Male littermates, bred from the female Fisher 344 rats gavaged with lead acetate or sodium acetate (1 ml of 10 mg/ml per day per animal) with male Fisher 344 rats without lead treatment, were divided into 4 groups including control (group A), gestation plus lactation (group B), gestation only (group C), and lactation only (group D). Each group had 6 litters. These littermates were weaned and terminated at postnatal day 21. Lead contents and GRP78 levels in various organs of these littermates were determined by atomic absorbance spectrometry (AAS) and Western blotting analysis, respectively.</p><p><b>RESULTS</b>Maternal lead was observed to transfer to littermates through gestation and lactation. Concentrations of littermate blood lead in groups A to D were (0.0010+/-0.0010), (0.1420+/-0.0190), (0.0250+/-0.0040), and (0.1490+/-0.0160) microg/ml, respectively. Concentrations of littermate brain lead in groups A to D were (0.0005+/-0.0005), (0.1120+/-0.0130), (0.0125+/-0.0042), and (0.0700+/-0.0058) microg/g, respectively. Concentrations of littermate kidney lead in groups A to D were (0.0050+/-0.0050), (1.0400+/-0.1000), (0.1040+/-0.0330), and (0.9920+/-0.0850) microg/g, respectively. Concentrations of littermate liver lead in groups A to D were (0.0030+/-0.0050), (0.3600+/-0.0550), (0.0567+/-0.0126), and (0.3030+/-0.0310) microg/g, respectively. Blood, brain, kidney and liver lead concentrations in groups B and D were significantly higher than those in group C and differences were 5-10 folds. Arbitrary units of littermate leukocytic GRP78 concentration normalized with actin protein in groups A to D were 1.000+/-0.038, 1.180+/-0.060, 0.998+/-0.109, and 1.290+/-0.110, respectively. Arbitrary units of littermate brain GRP78 concentration normalized with actin protein level in groups A to D were 0.996+/-0.128, 0.922+/-0.246, 1.150+/-0.170, and 0.750+/-0.126, respectively.</p><p><b>CONCLUSION</b>Lead in maternal bodies could be transferred to litter bodies through gestation and lactation and distributed in various organs. Lead might also changed GRP78 expression in leukocytes.</p>

Overexpression of hypoxia inducible factor-1alpha (HIF-1alpha) promotes the differentiation of endothelial progenitor cell ex vivo / 中国实验血液学杂志

To investigate the influence of HIF-1alpha overexpression on the differentiation of endothelial progenitor cells (EPCs) ex vivo, EPCs were isolated from human peripheral blood by density gradient centrifugation, overexpressed HIF-1alpha was transfected to EPCs by electroporation; HIF1alpha, HIF1beta, vascular endothelial growth factor (VEGF) mRNA level were measured with RT-PCR; HIF-1alpha protein was detected with immunohistochemistry in a time course. CD31(+) cells were measured with flow cytometry. Cell morphology was observed after transfection. The results showed that the transfection efficiency of HIF-1alpha to EPCs was about 20%. HIF-1alpha and its controlled target gene VEGF were markedly induced by HIF-1alpha vector (P < 0.05). HIF1beta had its same level as it before interference (P > 0.05). HIF-1alpha protein was induced by HIF-1alpha transfection after 12 hours but was undetectable at 24 hours. After 7 - 14 days cultured in 21% oxygen pressure, fluorescence-trace experiments revealed that CD31 + EPCs/EC could be generated more efficiently from overexpressed HIF-1alpha than that from pEGFP transfected group (P > 0.05). EPC morphology was observed by light microscopy. HIF-1alpha-transfected cells under normoxia sprouted more rapidly from the EPC colonies than the untransfected cells or cells transfected with an GFP vector, which essentially maintained the original colony formation. HIF-1alpha transfected cells took on an array-like arrangement rather than random dispersal, suggesting that they were in an advanced state of differentiation. It is concluded that the utility of overexpression of HIF-1alpha can induce target genes which have influence on cell differentiation. HIF-1alpha transfection was found to give a prospected way to do the insight research on ischemic treatment in vivo.

Resveratrol inhibits expression of EMMPRIN from macrophages / 药学学报

<p><b>AIM</b>To investigate the effect of resveratrol on EMMPRIN expression of macrophages.</p><p><b>METHODS</b>Human monocytic cell line THP-1 cells were co-cultured with EMMPRIN-highly-expressed MCF-7 cells; MMP-9 production was assayed by zymography. THP-1 cells were induced by PMA, expression of EMMPRIN was assayed by Western blotting. Cells were treated with resveratrol or PPARgamma agonist--pioglitazone during differentiation, EMMPRIN expression and MMP-9 activity were assayed. U937 cells were co-transfected with PPARy expression and luciferase-coding reporter vector, then cultured with pioglitazone or resveratrol, the activating capability of resveratrol on PPARgamma was evaluated by measuring the luciferase activity. THP-1 cells were pretreated with PPARgamma antagonist--GW9662 before pioglitazone or resveratrol treatment, then assayed for EMMPRIN expression and MMP-9 production.</p><p><b>RESULTS</b>EMMPRIN expression was greatly increased during the differentiation from monocytes to macrophages; co-culturing with MCF-7 cells significantly increased MMP-9 production by monocytes. Both resveratrol and pioglitazone markedly inhibited EMMPRIN expression during monocytes differentiation. Resveratrol significantly activated PPARgamma and GW9662 greatly decreased the effect of resveratrol on EMMPRIN and MMP-9.</p><p><b>CONCLUSION</b>EMMPRIN expression is greatly up-regulated from monocytes to macrophages, which may play a role in inducing MMPs production by monocytes/macrophages. Resveratrol can significantly inhibit EMMPRIN expression via activating PPARgamma, which may be the underlying mechanism of its inhibitory effect on MMPs production by monocytes/macrophages.</p>

Effects of nocturnal hypoxemia on carotid artery atherosclerosis and plagues in patients with acute coronary syndrome / 上海第二医科大学学报

0.05).In group Ⅱand Ⅲ,the carotid artery IMT was thicker and the amount of plagues were larger than those in group Ⅰ(P

Effects of TIMP-2 gene transfer on atherosclerotic plaque in rabbits / 中华心血管病杂志

<p><b>OBJECTIVE</b>To evaluate the effects of TIMP-2 local gene transfer on atherosclerotic plaque.</p><p><b>METHODS</b>Atherosclerosis models were induced by denuding femoral artery endothelium plus high lipid diet in rabbits. TIMP-2 gene was transferred locally by balloons eluted with pcDNA3-TIMP-2. RT-PCR and Western blot were performed to verify exogenous genes transfer. MMPs activity in atherosclerotic plaque was evaluated by zymography. HE and VG staining and automatic image analysis system were used for pathological analysis of atherosclerotic femoral arteries. The lumen area of the vessel and the collagen contents in the atherosclerotic plaque were measured.</p><p><b>RESULTS</b>The expression of TIMP-2 gene in pcDNA3-TIMP-2 transferred group was significantly higher than control-vector transferred group at the end of week 2 after operation and reached the peak at the end of week 4. Comparing with the control group, the expression of TIMP-2 protein in treated group was also higher at the end of week 2, 4, and 8 after operation. Correspondingly, the MMP-2 and MMP-9 activities were lower in treated group. The thickness of fibrous cap of atherosclerotic plaque and the amount of collagen of the lesion were increased significantly in treated group compared with the control group, but there were no significant differences in vessel lumen area.</p><p><b>CONCLUSION</b>TIMP-2 gene transfer locally in atherosclerotic plaque could inhibit the activities of MMP-2 and MMP-9 in the lesion, increase the thickness of fibrous cap and the amount of collagen of the lesion, but may have no effect on the degree of the stenosis.</p>

Effect of danshensu, protocatechualdehyde and danshen injection on calcium ion concentration in cytoplasm of human erythrocytes / 中国中药杂志

<p><b>OBJECTIVE</b>To study the predominant calcium-antagonist components of Danshen injection.</p><p><b>METHOD</b>The effects of danshensu, protocatechualdehyde and Danshen injection on calcium concentration in cytoplasm of erythrocytes were examined in vitro by the fluorescent Ca+ -chelator fura-2.</p><p><b>RESULT</b>Either DS182 or PCAD can decrease in dose-dependent cytosolic free calcium concentration in human erythrocytes. They had additive effect when mixed, which was similar to Danshen injection.</p><p><b>CONCLUSION</b>DS182 and PCAD may be predominant calcium-antagonist components of Danshen injection.</p>