Your browser doesn't support javascript.
loading
Show: 20 | 50 | 100
Results 1 - 20 de 1.445
Filter
1.
Acta Pharmaceutica Sinica ; (12): 700-706, 2022.
Article in Chinese | WPRIM | ID: wpr-922885

ABSTRACT

In order to research the mechanism of guiding action of borneol in Suxiaojiuxin pills, the model of in vitro intestinal absorption, in vivo drug metabolism of mice and cell in vitro absorption model of Caco-2 were established firstly. All animal experiments were in accordance with the regulations of the Animal Ethics Committee of Nankai University. The results showed that the cumulative absorption quantity and absorption permeability of ferulic acid and ligustilide in the intestinal juice of Suxiaojiuxin pills group were significantly increased comparing with fake Suxiaojiuxin pills group, which don't contain borneol. By using borneol, the content of ferulic acid and ligustilide in the blood and tissues, such as heart, were added. The transepithelial resistance value and the content of horseradish peroxidase (HRP) in Caco-2 were rapidly decreased and increased, respectively. Due to further explore mechanism of promoting intestinal absorption of borneol for drugs, in this study, photosensitive probes of borneol were synthesized to capture its targets, and dual luciferase reporter system was used to evaluate its activity of calcium. It was found that it could make calcium overload by regulating transient receptor potential cation channel, subfamily M, member 8 (TrpM8). Then, the results of mass spectrometry imaging showed that the accumulation of ferulic acid in the heart was significantly increased by borneol, and the relaxation rate of rat thoracic aorta was enhanced obviously. In summary, the borneol in Suxiaojiuxin pills can expand cell space and increase intestinal permeability by acting on TrpM8, thus promoting the intestinal absorption, tissue distribution and target organ enrichment of drugs.

2.
Journal of Preventive Medicine ; (12): 240-243, 2022.
Article in Chinese | WPRIM | ID: wpr-920759

ABSTRACT

Objective@#To investigate the value of serum hepcidin in assessment of liver inflammation activity among patients with chronic hepatitis B ( CHB ), so as to provide insights into the assessment of liver inflammation activity among CHB patients.@*Methods@#A total of 79 CHB patients who were admitted to the Affiliated Hospital of Hangzhou Normal University were selected as the experimental group, while 40 healthy volunteers were randomly sampled as controls. Subjects'demographic data, liver function tests and iron metabolism parameters were collected from medical records, and serum hepcidin was measured using enzyme-linked immunosorbent assay ( ELISA ). In addition, ultrasound-guided liver biopsy was performed in CHB patients, and mild and moderate-to-severe CHB were classified according to liver inflammation activity and degree of liver fibrosis. Serum hepcidin levels were compared between the experimental and control groups and between patients with mild and moderate-to-severe CHB. The value of serum hepcidin in assessment of liver inflammation activity was examined among CHB patients using the receiver operating characteristic ( ROC ) curve analysis.@*Results@#Subjects in the experimental group included 54 men ( 68.35% ) and had a mean age of ( 39.06±10.67 ) years, while the controls included 24 men (60.00%) and had a mean age of ( 42.43±11.44 ) years. Lower hepcidin levels were measured in the experimental group than in the control group [( 11.70±5.64 ) vs. ( 17.82±3.63 ) μg/L; P<0.05 ]. There were 54 patients with mild CHB ( 68.35% ) and 25 cases with moderate-to-severe CHB ( 31.65% ), and lower hepcidin levels were detected in patients with moderate-to-severe CHB than in those with mild CHB [ ( 6.92±2.21 ) vs. ( 13.95±5.36 ) μg/L; P<0.05 ]. The area under the ROC curve, optimal cut-off, sensitivity and specificity of serum hepcidin were 0.903 ( P<0.05 ), 10.365 μg/L, 100.0% and 72.2% for assessment of moderate-to-severe CHB, respectively.@*Conclusion@#Serum hepcidin is feasible to evaluate the liver inflammatory activity among patients with CHB.

3.
China Pharmacy ; (12): 575-578, 2022.
Article in Chinese | WPRIM | ID: wpr-920727

ABSTRACT

OBJECTI VE To establish the high performan ce liquid c hromatography(HPLC)fingerprint of carotenoid in Lycium barbarum,and to investigate the spectrum-effect relationship between its common peak and antioxidant activity. METHODS HPLC method was adopted. The fingerprints of carotenoid in 34 batches of L. barbarum from different producing areas were established by Similarity Evaluation System of TCM Fingerprint (2012 edition),and similarity evaluation and common peak identification were carried out. Taking scavenging rate of DPPH free radical as index ,in vitro antioxidant activity of carotenoid in L. barbarum was investigated. The spectrum-effect relationship between the common peaks of carotenoids in L. barbarum and antioxidant activity was analyzed by grey correlation method. RESULTS There were 4 common peaks in the fingerprints of carotenoids in 34 batches of L. barbarum ,and the similarity was not less than 0.903. Peak 1 was identified as zeaxanthin ,and peak 4 as zeaxanthin dipalmitate. The scavenging rates of them to DPPH free radical were 1.792%-3.160%. The common peaks of carotenoids in L. barbarum were positively correlated with scavenging rate of DPPH free radical ,and the correlation degree was greater than 0.6;the correlation degree of peak 2 and peak 4(zeaxanthin dipalmitate )with scavenging rate of DPPH free radical was greater than 0.8. According to the correlation degree ,the contribution of each common peak to scavenging rate of DPPH free radical was determined as peak 2> peak 4(zeaxanthin dipalmitate )>peak 1(zeaxanthin)>peak 3. CONCLUSIONS In this study ,HPLC fingerprint of carotenoid in L. barbarum is successfully established ,and two common peaks are identified. The chemical components represented by peak 2 and zeaxanthin palmitate may be the material basis of antioxidant activity of carotenoid in L. barbarum .

4.
Article in Chinese | WPRIM | ID: wpr-912043

ABSTRACT

Objective:To document any improvement in the breathing control of stroke survivors with dysarthria after practicing Liuzijue qigong.Methods:A total of 157 stroke survivors with dysarthria and abnormal respiration control were randomly divided into an observation group and a control group. Both groups were given traditional breathing training and basic articulation training (including articulatory organ training and speech training). The observation group also received training in Liuzijue qigong. It requires inhaling through the nose and exhaling through the mouth while producing the speech sounds xu, he, hu, si, chui and xi. The training lasted two weeks. Both groups were then evaluated using the modified Frenchay dysarthria assessment. Maximum phonation time, maximum counting ability and volume were also recorded as secondary indexes.Results:After the 2-week intervention, significant improvement was observed in the average scores on all of the indexes, with all of the observation group′s average scores except for volume significantly better than those of the control group. The average volume scores were significantly improved, but not significantly different.Conclusion:Supplementing basic articulation training with Liuzijue qigong can improve respiratory function and the speaking ability of stroke survivors with dysarthria. It is worthy of wider clinical application.

5.
Chinese Journal of Neurology ; (12): 1181-1186, 2021.
Article in Chinese | WPRIM | ID: wpr-911854

ABSTRACT

The clinical manifestations and examination results of a case of Creutzfeldt-Jakob disease (CJD) admitted to the Department of Neurology of Peking Union Medical College Hospital,Chinese Academy of Medical Sciences in August 2020 were analyzed, and a comprehensive neuropsychological assessment and assessment of apraxia were conducted. The neuropsychological characteristics of apraxia in CJD patient and the progress in the research and evaluation of apraxia were reviewed. The patient was a 65-year-old male with insidious onset and progressive symptoms, whose clinical manifestations were apraxia, rapidly progressing dementia, and extrapyramidal symptoms. The magnetic resonance imaging showed hyper-intense signal in diffusion weighted imaging in bilateral cerebral hemispheres, and 14-3-3 protein in cerebrospinal fluid was positive, which were consistent with the probable CJD diagnostic criteria. The patient exhibited prominent signs and symptoms of ideomotor apraxia. It has been reported in the literature that apraxia can also be the main neuropsychological manifestation of CJD. It is necessary to pay attention to the standard evaluation and timely identification of apraxia in clinical diagnosis.

6.
Chinese Journal of Anesthesiology ; (12): 1124-1127, 2021.
Article in Chinese | WPRIM | ID: wpr-911331

ABSTRACT

Objective:To evaluate the changes in glucose metabolism in the prefrontal cortex during long-term cognitive dysfunction induced by neuropathic pain in developing rats.Methods:SPF healthy male Sprague-Dawley rats, aged 4 weeks, weighing 80-100 g, were used in this study.The model of neuropathic pain was established by using spared nerve injury in anesthetized rats.The mechanical paw withdrawal threshold (MWT) was measured at 1 day before establishing the model (T 0) and 1, 3, 7, 14, 28, 42 and 56 days after establishing the model (T 1-7). According to the results of MWT compared between T 5 and T 0, the rats were divided into neuropathic pain group (group NP) and non-neuropathic pain group (group NNP). Open field test and novel object recognition test were performed at T 7 to assess anxiety-like behavior and cognitive function.Positron emission tomography/computed tomography imaging was performed to determine the standard uptake value of 18F-fluorodeoxyglucose in the prefrontal cortex.Then the rats were sacrificed, and prefrontal cortex was removed for determination of the expression of glucose transporter 3 using Western blot and immunofluorescence. Results:Compared with the baseline at T 0, the MWT at T 1-2 in group NNP and at T 1-7 in group NP were significantly decreased ( P<0.05). Compared with group NNP, the MWT at T 1-7 were significantly decreased, the time of staying at the central region at T 7 was shortened, the percentage of time for exploring the novel object was decreased, the percentage of novel object exploration was decreased, the standard uptake value of 18F-fluorodeoxyglucose in prefrontal cortex was decreased, and the expression of glucose transporter 3 in prefrontal cortex was down-regulated in group NP ( P<0.05). Conclusion:Long-term cognitive dysfunction induced by neuropathic pain may be related to decreased glucose metabolism in the prefrontal cortex of the developing rats.

7.
Article in Chinese | WPRIM | ID: wpr-910326

ABSTRACT

Objective:To evaluate the application value of bismuth shielding combined with organ tube current modulation (X-care) in brain CT scanning by measuring the radiation dose of sensitive organs.Methods:The head and neck phantom was scanned with Siemens dual source CT at the same volume CT dose index (CTDI vol) by X-care, bismuth shielding and x-care combined with bismuth shielding, and by dual energy CT angiography (DE-CTA) with and without bismuth shielding. The CT values of cerebral vessels, adjacent brain tissues and cerebrospinal fluid and image noise were measured, and the contrast noise ratio of cerebral vessels and brain parenchyma was calculated. Organ dose equivalent ( HT) was calculated by placing thermoluminescent personal dosimeter (TLD), and CTDI vol and dose length product (DLP) were recorded after each scan. Results:Under the same CTDI vol, the mean values of HT, lens with X-care, Bi shielding and X-care combined with Bi shielding were(37.89 ± 2.00), (42.20 ± 2.96) and (28.21 ± 1.31) mSv, respectively, significantly lower than those of conventional sequence scanning( F=186.52, P<0.05). The values of HT, thyroid with Bi shielding and X-care combined with Bi shielding were (0.77 ± 0.07) and (0.89 ± 0.08) mSv, lower than those of routine brain scan and X-care( F=103.26, P<0.05). The values of HT, lens and HT, thyroidof DE-CTA with bismuth shielding were (11.56 ± 1.04) and (0.32 ± 0.03) mSv, respectively, significantly lower than those without bismuth shielding( t=5.07, P<0.05). There was no significant difference in noise and CNR in routine brain scan between with and without X-care, bismuth shielding and X-care combined with bismuth shielding. There was no significant difference in noise and CNR in dual energy CTA scanning between with and without Bi shielding. Conclusions:Using bismuth shielding and organ tube current modulation, we can significantly reduce organ dose of lens and thyroid during brain CT scanning without sacrificing the image quality.

8.
Clinical Medicine of China ; (12): 400-405, 2021.
Article in Chinese | WPRIM | ID: wpr-909766

ABSTRACT

Objective:To investigate the effect of hydroxysafflor yellow A(HSYA) preconditioning group on apoptosis induced by cold hypoxia/reoxygenation (cold H/R) injury in human renal tubular epithelial cells (HK2 cells).Methods:After digestion and passage, HK2 cell lines were divided into Sham group (control group), cold hypoxia and reoxygenation group (cold H/R group, cells cold hypoxia for 4 h, reoxygenation for 4 h), and HSYA preconditioning group (each HSYA subgroup was given different doses of HSYA 0.5 h before hypoxia, and the other operations were the same as the cold H/R group). The cell survival rate was measured by CCK-8 method.The expression of Bcl-2, Bax and Caspase-3 proteins in HK-2 cells were detected by immunocytochemistry and Western blotting.Results:(1) Compared with cold H/R group, different doses of HSYA could improve cell survival rate in different degrees, but only HSYA25 μmol/L group had the most significant effect (74.000±5.500 vs.59.000±3.800, P<0.05). (2) Immunocytochemistry semi-quantitative score: Compared with cold H/R group, the expression of Bax and Caspase-3 in HK2 cells of HSYA25 μmol/L group was significantly decreased(0(0, 1) vs. 8(6, 8), Z=2.041, P<0.05 and (3.400±0.548) vs.(7.800±1.095), t=11.000, P<0.01). The expression of Bcl-2 protein was increased significantly ((6.800±1.095) vs.(1.400±0.548), t=10.590, P<0.01). The ratio of Bcl-2/Bax increased significantly.(3)Western blot was used to detect protein: Compared with the cold H/R group, the protein levels of Bax, Cleaved-Caspase-3 and Pro-caspase-3 of HK2 cells in the HSYA25 μmol/L group were significantly decreased ((0.707±0.012) vs.(0.968±0.117), (0.480±0.009)vs.(0.735±0.005), (0.992±0.008)vs.(1.197±0.005), all P<0.01). The expression of Bcl-2 protein was significantly increased, and the ratio of Bcl-2/Bax was significantly increased ((0.410±0.009) vs.(0.273±0.008), (0.582±0.016) vs (0.282±0.080), all P<0.01). The experimental results were consistent with the immunocytochemistry. Conclusion:HSYA can effectively reduce the damage of HK2 cells after cold hypoxia and reoxygenation.

9.
Journal of Chinese Physician ; (12): 1316-1320, 2021.
Article in Chinese | WPRIM | ID: wpr-909702

ABSTRACT

Objective:To analyze the associated symptoms of progressive symmetrical erythema keratosis (PSEK) and the related literature was reviewed.Methods:Two Mongolian PSEK families in the dermatology department of the People′s Hospital of Inner Mongolia Autonomous Region from 2016 to 2017 were collected, and 40 complete PSEK families and 156 sporadic cases at home and abroad published since 1980 to 2020 were searched by using the database to analyze the concomitant symptoms of PSEK.Results:A total of 40 complete PSEK families were included, including 714 cases. The incidence of PSEK was 57.38% in foreign countries and 37.42% in China; The most common concomitant symptoms abroad were palmoplantar keratosis (PPK), followed by nail changes, neurological symptoms, dysplasia, combined with variable erythema keratosis (EKV), and the concomitant symptoms were more serious; The most common concomitant symptoms in China were nail changes, followed by PPK, damp hyperhidrosis, pruritus, pain and some skin diseases, and the concurrent symptoms were mild.Conclusions:PSEK has many associated symptoms and the molecular genetic mechanism is still unclear. It is necessary to conduct a more comprehensive and in-depth study and understanding of the disease through the development of sequencing technology and the expansion of clinical cases.

10.
Article in Chinese | WPRIM | ID: wpr-909520

ABSTRACT

Objective:To investigate the effect of postsynaptic density-95(PSD-95)on long-term learning and memory impairment in neonatal rats induced by sevoflurane anesthesia.Methods:A total of 54 SD rats aged 7 days of SPF grade were randomly divided into 3 groups: control group (exposed to air), model group (exposed to 2.1% sevoflurane, 4 h/d, consecutive 3 days) and PSD-95 inhibitor group (inhaled sevoflurane+ intraperitoneal injection NA-1, consecutive 5 days), with 18 rats in each group.Morris water maze test and new object recognition test were used to detect the ability of visuospatial learning and memory and recognition memory of rats in each group.RT-qPCR was used to detect the mRNA levels of kalirin, Rac1 and PSD-95 in rat hippocampus.The expressions of kalirin, Rac1, PSD-95 and apoptosis related proteins Caspase-3, Bcl-2 and Bax in rat hippocampus were detected by Western blot.The expression levels of kalirin and Rac1 in hippocampus were detected by immunohistochemistry.SPSS 23.0 software was used for statistical analysis.Repeated measurement ANOVA and one-way ANOVA was used for comparing among groups.Results:Repeated measurement ANOVA showed that in the water maze test, the interaction between time and group of platform seeking latency and swimming distance of the three groups were significant ( Ftime×group=36.539, 41.548, both P<0.01). Simple effect analysis showed that the platform latency and swimming distance in the model group from day 2 to 6 were longer than those in the control group (platform latency from day 2 to 6: t=14.039, 17.147, 13.155, 13.831, 27.247, all P<0.01; swimming distance from day 2 to 6: t=10.122, 20.987, 7.267, 10.011, 8.121, all P<0.01). Compared with the model group, from day 2 to 6, the platform latencies of PSD-95 inhibitor group were prolonged( t=7.948, 14.768, 11.582, 12.832, 24.346, all P<0.01) and the swimming distances were increased( t=8.235, 24.325, 11.234, 12.031, 7.036, all P<0.01). The new object recognition test found that the new object exploration time in the model group was significantly longer than that in the control group ((21.30±2.27)s, (19.21±1.42)s, t=1.843, P<0.01), and the new object exploration time in the PSD-95 inhibitor group was significantly longer than that in the model group ((26.83±2.13)s, t=4.844, P<0.01). The difference index of novel objects in the model group was significantly lower than that in the control group ((0.41±0.12), (0.59±0.10), t=3.416, P<0.01), and the difference index of novel objects in the PSD-95 inhibitor group was significantly lower than that in the model group ((0.37±0.08), t=0.696, P<0.05). The qRT-PCR results showed that the expressions of Rac1, kalirin and PSD-95 mRNA in the model group were significantly lower than those in the control group ( t=9.969, 3.954, 6.561, P<0.05), and the expressions of Rac1, kalirin and PSD-95 mRNA in the PSD-95 inhibitor group were significantly lower than those of the model group ( t=2.132, 2.251, 3.502, all P<0.05). Immunohistochemistry results showed that the kalirin in the hippocampus CA1 area of the model group was significantly lower than that in the control group((8.18±1.94) vs (15.47±3.35), t=11.47, P<0.01), and kalirin in the PSD-95 inhibitor group was significantly lower than that in the model group((4.98±1.53), t=10.28, P<0.01); Rac1 in the model group was significantly lower than that in the control group ((3.72±1.53), (8.17±2.91), t=6.76, P<0.01), and the Rac1 in the PSD-95 inhibitor group(2.73±0.37) was significantly lower than the model group ( t=4.72, P<0.05). Western blot results showed that Caspase-3((1.37±0.16) vs (0.54±0.01), t=5.71, P<0.01) and Bax((1.87±0.31) vs (1.23±0.25), t=12.01, P<0.01) protein levels in the model group were significantly higher than those in the control group.Caspase-3 and Bax protein levels in the PSD-95 inhibitor group were significantly higher than those in model group (Caspase-3: (1.79±0.17), t=9.87, P<0.01; Bax: (2.19±0.21), t=16.19, P<0.01). The Bcl-2 protein level in the model group was significantly lower than that of the control group ((1.22±0.21) vs (1.96±0.38), t=11.92, P<0.01). And the Bcl-2 protein level in the PSD-95 inhibitor group (1.01±0.19) was significantly lower than that in the model group ( t=10.73, P<0.01). Conclusion:Sevoflurane anesthesia can damage the long-term learning and memory function and reduce the expression of PSD95 protein in neonatal rats.Inhibiting the expression of PSD95 can aggravate this damage, which may be related to the synaptic plasticity and apoptosis of neurons involved in PSD95.

11.
Chinese Journal of Endemiology ; (12): 808-812, 2021.
Article in Chinese | WPRIM | ID: wpr-909101

ABSTRACT

Objective:To understand the incidence and genetic characteristics of thalassemia in newborns in Baisha Li Autonomous County, Hainan Province, and to provide data support for government decision-making departments to formulate appropriate policies for prevention and control of thalassemia.Methods:With the help of Newborn Disease Screening Network of Hainan Province, samples of dry blood spots on the heels of newborns born in Baisha Li Autonomous County from January to June 2020 were collected based on the principle of informed consent. Fluorescent PCR melting curve method was used to detect the common types of thalassemia genes in Chinese population, and some samples were verified by the PCR + flow-through hybridization method. Samples of suspected new or rare mutations were sent to gene companies for sequencing analysis.Results:A total of 391 samples of neonatal dry blood spots were collected, and 252 samples with thalassemia genes were detected, the detection rate was 64.45% (252/391). Among them, 213 samples with α-thalassemia genes were detected, and the detection rate was 54.48% (213/391); 13 samples with β-thalassemia genes were detected, and the detection rate was 3.32% (13/391); 26 samples with α- and β-thalassemia genes were detected, and the detection rate was 6.65% (26/391). Among the above mentioned thalassemia genotypes, 1 case of rare type α-thalassemia -α 4.2/HKαα and 1 case of rare type β-thalassemia β CD39/β N were detected. According to ethnicity, 176 samples with thalassemia genes were detected in 238 Li samples, with a detection rate of 73.95% (176/238); 67 samples with thalassemia genes were detected in 137 Han samples, with a detection rate of 48.91% (67/137); 9 samples with thalassemia genes were detected in 16 other ethnic samples, with a detection rate of 56.25% (9/16). Conclusions:The detection rate of neonatal thalassemia genes is relatively high in Baisha Li Autonomous County, Hainan Province, and α-thalassemia is the most common. It is recommended that relevant government departments of Hainan Province should carry out genetic testing of neonatal thalassemia in Baisha Li Autonomous County as soon as possible to ensure the quality of life of the newborns.

12.
Article in Chinese | WPRIM | ID: wpr-909008

ABSTRACT

Causes analysis of death is the most common work in forensic pathology practice. When designing problem-based learning (PBL) teaching objectives, we should take cause analysis of death as the main line and give consideration to other related issues. The selected cases should be typical ones that solve the target problems, which can fully reflect the basic theoretical knowledge of forensic pathology, and have moderate difficulty, delights and clear conclusions. The PBL course is divided into three steps. The first step focuses on providing students with case information to guide them to find out the problems that need to be solved. The second step focuses on discussing the problems and making pathological diagnoses. The third step focuses on answering the question raised at the beginning of the course. Each lesson can also be divided into several sections by which the lesson plans should be prepared. In the teaching process, performing active interaction with students, controlling the direction of classroom development, balancing student opportunities should be done well in order to make the curriculum smoothly and achieve the purpose of teaching.

13.
Article in Chinese | WPRIM | ID: wpr-908373

ABSTRACT

Objective:To assess the efficacy of immunosuppressor on treatment of Henoch-Sch?nlein purpura nephritis(HSPN).Methods:Literatures were searched in PubMed, Cochrane library, Web of Science, Wanfang database, CNKI and CBM database from inception to January 2021.The studies that investigated the effect of immunosuppressor on HSPN outcomes were included.Article screening, data extraction and quality assessment were accomplished by two investigators independently, and statistical analyses were performed by STATA 14.Results:Ten studies were included with 443 cases, of which, 245 cases were in the experimental group while 198 cases were in the control group.The Meta-analysis showed that the experimental group had higher complete remission rate( OR=1.95, 95% CI 1.19-3.22, P=0.009), total remission rate ( OR=2.92, 95% CI 1.74-4.88, P<0.001), proteinuria decreasing level ( SMD=0.35, 95% CI 0.09-0.61, P=0.008), the increasing level of serum albumin ( SMD=1.27, 95% CI 0.43-2.11, P=0.003) and the increasing level of estimated glomerular filtration rate ( SMD=0.48, 95% CI 0.21-0.76, P=0.001), lower relapse rate ( OR=0.19, 95% CI 0.05-0.72, P=0.015) as well as death rate ( OR=0.19, 95% CI 0.04-0.78, P=0.021)than those of the control group. Conclusion:The immunosuppressor could enhance complete remission rate, total remission rate, proteinuria decreasing level, the increasing level of serum albumin and the increasing level of estimated glomerular filtration rate, reduce relapse rate and death rate of HSPN patients.

14.
Article in Chinese | WPRIM | ID: wpr-907700

ABSTRACT

Objective:To determine the content of albiflorin, paeoniflorin, benzoylpaeoniflorin, sophoricoside, prim-O-glucosylcimifugin, cimifugin, 5-O-methylvisammioside and sec-O-glucosylhamaudol in Huaiqin Salve with high performance liquid chromatography-quantitative analysis of multi-components by single-marker (HPLC-QAMS) method. Methods:The samples were separated with ZORBAX Eclipse XDB-C18 column by a gradient elution using methanol-acetonitrile (1:2) (A)-0.1% phosphoric acid solution (B) as mobile phase and the flow rate was 1.0 ml/min. The detection wavelength was 230 nm for albiflorin, paeoniflorin and benzoylpaeoniflorin, and 254 nm for sophoricoside, prim-O-glucosylcimifugin, cimifugin, 5-O-methylvisammioside and sec-O-glucosylhamaudol. The column temperature was 30 ℃. Using sophoricoside as an internal standard, the relative correction factors (RCFs) of albiflorin, paeoniflorin, benzoylpaeoniflorin, prim-O-glucosylcimifugin, cimifugin, 5-O-methylvisammioside and sec-O-glucosylhamaudol were calculated. The method was validated by comparison of the quantitative results between external standard method (ESM) and HPLC-QAMS method.Results:Albiflorin, paeoniflorin, benzoylpaeoniflorin, sophoricoside, prim-O-glucosylcimifugin, cimifugin, 5-O-methylvisammioside and sec-O-glucosylhamaudol showed good linear relationship within the range of 0.034 7-0.867 5, 0.063 6-1.590 0, 0.006 9-0.172 5, 0.198 6-4.965 0, 0.092 8-2.320 0, 0.026 6-0.665 0, 0.042 7-1.067 5, 0.020 9-0.522 5 μg ( r ≥ 0.999 1); whose average recoveries ( RSDs) were 98.85% (1.02%), 100.04% (0.67%), 96.92% (1.14%), 100.06% (0.85%), 99.31% (1.39%), 99.16% (1.22%), 98.59% (1.33%) and 97.58% (1.41%), respectively. No significant differences were found in the quantitative analysis of the components with ESM and HPLC-QAMS method. Conclusion:The HPLC-QAMS method could provide the reference for themulti-index component evaluation for Huaiqin Salve.

15.
Acta Pharmaceutica Sinica ; (12): 3540-3546, 2021.
Article in Chinese | WPRIM | ID: wpr-906839

ABSTRACT

ZSP1601, a novel pan-phosphodiesterase inhibitor is in development for the treatment of nonalcoholic steatohepatitis. A physiologically-based pharmacokinetic (PBPK) model was developed to predict the pharmacokinetics of ZSP1601 in human. The PBPK model following intravenous and oral dose of ZSP1601 in rats and dogs was firstly built using preclinical in vitro and in vivo data. The PBPK model in human was then built based on models in animal. The in vitro-in vivo extrapolation (IVIVE) method and some allometric scaling methods were used to predict the clearance in human, respectively. The PBPK models using IVIVE and allometry of unbound CL plus the rule of exponents methods predicted the pharmacokinetics of ZSP1601 in healthy Chinese subjects successfully. The predicted parameters Cmax and AUC following single oral dose administration were within 0.5-2 folds of the observed data. The model was optimized and the final model was used to predict the pharmacokinetics of ZSP1601 in North European Caucasian, Geriatrics, Obese and Morbidly Obese, respectively. Animal studies were approved by the Animal Management and Use Committee of Suzhou AppTec Inc., and the approved No. is SZ20140916.

16.
Acta Pharmaceutica Sinica ; (12): 3362-3369, 2021.
Article in Chinese | WPRIM | ID: wpr-906836

ABSTRACT

Isopentenyl diphosphate isomerase (IDI) is a key enzyme in the regulation of triterpenes biosynthesis and plays an important role in ginsenoside biosynthesis. In this study, two IDI genes, PvfIDI1 (GenBank No. MZ736417) and PvfIDI2 (GenBank No. MZ736418) were cloned from Panax vietnamensis var. fuscidiscus. The open reading frame of both PvfIDI1 and PvfIDI2 was 924 bp encoding 307 amino acids. The molecular weights of PvfIDI1 and PvfIDI2 were 34.84 kDa and 34.66 kDa, respectively, with theoretical pIs of 6.01 and 5.66. Bioinformatic analysis indicated that PvfIDI1 and PvfIDI2 contained two conserved sequences: TNTCCSHPL and WGEHELDY. Phylogenetic analysis showed that PvfIDI1 and PvfIDI2 were closely related to Panax notoginseng IDI. Expression analysis showed that both PvfIDI1 and PvfIDI2 genes are expressed in root, rhizome, stem and leaf of P. vietnamensis var. fuscidiscus. However, PvfIDI1 is highly expressed in the rhizome and PvfIDI2 is highly expressed in the stem. PvfIDI1 and PvfIDI2 recombinant proteins were expressed in E. coli; a functional coloration experiment showed that PvfIDI1 and PvfIDI2 could promote the accumulation of lycopene, indicating that both PvfIDI1 and PvfIDI2 encode functional IDI enzymes. The cloning and functional studies on PvfIDI1 and PvfIDI2 provide a foundation for the further study of IDI and the regulation of ginsenoside biosynthesis in P. vietnamensis var. fuscidiscus.

17.
Article in Chinese | WPRIM | ID: wpr-906479

ABSTRACT

Objective:To study the protective effect of Xiayuxue Tang on adenine-induced renal fibrosis model in rats and its impact on Wnt/<italic>β</italic>-catenin and transforming growth factor <italic>β</italic><sub>1</sub>(TGF-<italic>β</italic><sub>1</sub>)/Smad signal pathway. Method:A total of 50 SPF-grade male SD rats were randomly divided into 5 groups: the normal group, the model group, the losartan group (9 mg·kg<sup>-1</sup>) and low and high dose (2.43,4.86 g·kg<sup>-1</sup>) of Xiayuxue Tang groups. The rat model of renal fibrosis was established by ig administration adenine (250 mg·kg<sup>-1</sup>) for 24 consecutive days. The rats were then given the corresponding drugs for 30 consecutive days. The levels of serum creatinine(SCr) and blood urea nitrogen (BUN) were measured by enzyme-linked immunosorbent assay(ELISA). The histopathological changes of renal tissues in rats were observed by hematoxylin and eosin (HE) staining. The collagen deposition in rat renal tissue was observed by Masson staining; the protein expression levels of Wnt5a, Wnt5b, <italic>β</italic>-catenin, TGF-<italic>β</italic><sub>1</sub>, Smad4, Smad7 in renal tissue were detected respectively by immunohistochemistry(IHC) and Western blot. Result:Compared with the normal group, the results of each experimental group showed that SCr and BUN levels significantly increased in the model group (<italic>P</italic><0.01). SCr and BUN levels decreased significantly after the intervention with the Xiayuxue Tang (<italic>P</italic><0.01). Compared with the normal group, HE and Masson staining results showed that rats in the model group had severe renal interstitial damage and massive deposition of renal interstitial collagen. The renal interstitial tubule injury was relieved after the intervention with the Xiayuxue Tang, and the renal interstitial collagen deposition decreased. The results of IHC and Western blot showed that compared with the normal group, the expressions of Wnt5a, <italic>β</italic>-catenin, TGF-<italic>β</italic><sub>1</sub> protein in the kidney of rats up-regulated (<italic>P</italic><0.01), while the expressions of Wnt5b and Smad7 protein down-regulated (<italic>P</italic><0.01). After the intervention with Xiayuxue Tang, the expressions of Wnt5a, <italic>β</italic>-catenin, TGF-<italic>β</italic><sub>1</sub> protein down-regulated (<italic>P</italic><0.01), while the expressions of Wnt5b and Smad7 protein up-regulated(<italic>P</italic><0.01). There was no significant difference between the low-dose and high-dose groups with Xiayuxue Tang. Conclusion:Xiayuxue Tang has the protective effect on RIF rats induced by adenine, and its mechanism is related to the inhibition of Wnt/<italic>β</italic>-catenin and TGF-<italic>β</italic><sub>1</sub>/Smad signal pathway.

18.
Article in Chinese | WPRIM | ID: wpr-906475

ABSTRACT

Qingxin Lianzi Yin (QXLZY), as an ancient classical formula for clearing the heart and nourishing the Yin, was composed of nine herbs (Scutellariae Radix, Ophiopogonis Radix, Lycii Cortex, Plantaginis Semen, Glycyrrhizae Radix et Rhizoma Praeparata Cum Melle, Nelumbinis Semen, Poria, Astragali Radix and Ginseng Radix et Rhizoma), coming from Prescriptions of the Bureau of Taiping People's Welfare Pharmacy. It could clear away the heart-fire, promote the interaction of the heart and kidney, replenish Qi and Yin, and stop strangury-turbidity. It was used to treat gonorrhea of urination, seminal emission, restlessness, wasting-thirst and so on. At present, the usage and dosage of QXLZY and its addition and subtraction are different in clinical practice. Most of the studies just focus on its clinical efficacy, and there is few review literature reflecting its historical evolution. Based on this, this paper systematically clarified the historical evolution, composition, preparation, interpretation, function, and modern clinical application of QXLZY. This work has been explained the historical evolution of QXLZY, and found that it was wildly used in modern clinical, especially suitable for the treatment of chronic urinary system diseases. At the same time, QXLZY also had significant therapeutic effects on neurasthenia, stomatitis, diabetic nephropathy and other aspects. Through the comprehensive analysis of ancient and modern literature, this work explores the true connotation of QXLZY from the perspective of traditional Chinese medicine theory, which can point out the direction of the clinical application and positioning of this famous classical formula after it comes into the market, and also can provide reference basis for its subsequent in-depth research and development.

19.
Article in Chinese | WPRIM | ID: wpr-906380

ABSTRACT

Cardiovascular and cerebrovascular diseases are one of the major diseases endangering human health, and its morbidity and mortality are still in the rising stage in our country. Traditional Chinese medicine (TCM) injections play an important role in the prevention and treatment of cardiovascular and cerebrovascular diseases due to their advantages of rapid onset, remarkable curative effect, and convenient use. Among them, Danhong injection (DHI), a Chinese medicine injection for promoting blood circulation and removing blood stasis, is widely used in the clinical treatment of cardio-cerebrovascular diseases. DHI is composed of Salviae Miltiorrhizae Radix et Rhizoma (Danshen in Chinese) and Carthami Flos (Honghua in Chinese), and mainly contains phenolic acids, tanshinones and flavonoids. A large number of studies have shown that DHI has a significant effect in the treatment of ischemic cardio-cerebrovascular diseases, is a representative drug of co-therapy of brain and heart of TCM, its pharmacological effects related to many aspects such as anti-inflammatory, anti-oxidation, anti-coagulation. At the same time, Other studies have also explained the protective effects of DHI on cardiovascular and cerebrovascular diseases through the overall regulation and intervention of multiple targets and pathways. However, DHI has a wide range of clinical applications, there are still many unknown pharmacological effects to be further explored. Therefore, this article summarizes the current researches on the chemical components of DHI, the multi-target and multi-path pharmacological mechanisms of DHI in the treatment of cardiovascular and cerebrovascular diseases, and introduces the latest pharmacological research progress, so as to provide theoretical guidance for clinical rational drug use and subsequent in-depth research.

20.
Article in Chinese | WPRIM | ID: wpr-906335

ABSTRACT

Objective:To observe the clinical efficacy as well as anti-inflammatory and anti-fibrosis mechanism of Yishen Tongluo decoction in the treatment of chronic glomerulonephritis (CGN) with spleen and kidney Qi deficiency and blood stasis syndrome. Method:According to the random number table method, one hundred and twenty patients were divided into control group (60 cases) and observation group (60 cases). The two groups were given oral valsartan capsules, 160 mg/time, 1 time/day, and dipyridamole tablets orally, 50 mg/time, 3 times/day. Patients in control group additionally took Wubi Shanyao pills orally, 9 g/time, 2 times/day, while patients in observation group additionally took Yishen Tongluo decoction orally, 1 dose/day. Both groups were treated continuously for four months. Before and after treatment, 24 h urine total protein (24 h UTP), creatinine (SCr), urea nitrogen (BUN), serum cystatin C (CysC), tumor necrosis factor-<italic>α</italic> (TNF-<italic>α</italic>), interleukin-6 (IL-6), IL-17, interferon-<italic>γ</italic> (IFN-<italic>γ</italic>), transforming growth factor-<italic>β</italic><sub>1</sub> (TGF-<italic>β</italic><sub>1</sub>), connective tissue growth factor (CTGF), matrix metalloproteinase-9 (MMP-9), tissue inhibitor of metalloproteinases (TMP-1) and hypoxia inducible factor-1<italic>α </italic>(HIF-1<italic>α</italic>) levels were detected in both groups. The scores of spleen and kidney Qi deficiency and blood stasis syndrome were graded. Urine protein, and urine red blood cells (urinary RBC) were monitored. Result:The 24 h UTP, SCr, BUN and CysC levels of the observation group were lower than those of the control group (<italic>P</italic><0.01). The score of spleen and kidney Qi deficiency and blood stasis syndrome in the observation group was lower than that in the control group (<italic>P</italic><0.01). The levels of TNF-<italic>α</italic>, IL-6, IL-17 and IFN-<italic>γ </italic>in the observation group were lower than those in the control group (<italic>P</italic><0.01). The levels of TGF-<italic>β</italic><sub>1</sub>, CTGF, TMP-1 and HIF-1<italic>α</italic> in the observation group were lower than those in the control group (<italic>P</italic><0.01). While MMP-9 level was higher than that in control group (<italic>P</italic><0.01). The clinical effective rate was 88.33% (53/60) in the observation group, higher than 73.33% (44/60) in the control group (<inline-formula><alternatives><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M2"><mml:msup><mml:mrow><mml:mi>χ</mml:mi></mml:mrow><mml:mrow><mml:mn mathvariant="normal">2</mml:mn></mml:mrow></mml:msup></mml:math><graphic specific-use="big" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="alternativeImage/155A9E27-C0C9-44b4-96FF-AF947372054E-M002.jpg"><?fx-imagestate width="3.30200005" height="3.64066648"?></graphic><graphic specific-use="small" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="alternativeImage/155A9E27-C0C9-44b4-96FF-AF947372054E-M002c.jpg"><?fx-imagestate width="3.30200005" height="3.64066648"?></graphic></alternatives></inline-formula>=4.356, <italic>P</italic><0.05). Conclusion:On the basis of conventional Western medicine treatment, Yishen Tongluo decoction in the treatment of CGN patients with spleen and kidney Qi deficiency and blood stasis syndrome can reduce proteinuria, and improve traditional Chinese medicine (TCM) syndromes, with anti-inflammatory and anti-kidney fibrosis effects. Thereby, it plays a role in protecting renal function and delaying the malignant progression of renal function, with high clinical efficacy and value of clinical use.

SELECTION OF CITATIONS
SEARCH DETAIL