ABSTRACT
Acute respiratory distress syndrome(ARDS) is an important pathological process in patients with severe viral pneumonia.The coagulation disorder is one of the important characteristics of patients with viral pneumonia.In recent years, more and more studies have been exploring the related mechanisms of ARDS caused by viral pneumonia.Although the application of low molecular weight heparin(LMWH) to prevent and treat thrombotic complications in patients with viral pneumonia has become an industry consensus, in addition to anticoagulation, LMWH also has multiple effects such as anti-inflammatory and antioxidant.Therefore, the therapeutic effect of LMWH on ARDS remains to be fully explored.This article focuses on the pathological and clinical characteristics of viral pneumonia, to explore the evidence and clinical mechanisms of LMWH in the treatment of ARDS.
ABSTRACT
BACKGROUND@#The prevalence of skin diseases and diabetes mellitus (DM) are prominent around the world. The current scope of knowledge regarding the prevalence of skin diseases and comorbidities with type 2 DM (T2DM) is limited, leading to limited recognition of the correlations between skin diseases and T2DM.@*METHODS@#We collected 383 subjects from the Da Qing Diabetes Study during the period from July 9th to September 1st, 2016. The subjects were categorized into three groups: Normal glucose tolerance (NGT), impaired glucose tolerance (IGT), and T2DM. The prevalence and clinical characteristics of skin diseases were recorded and investigated.@*RESULTS@#In this cross-sectional study, 383 individuals with ages ranging from 53 to 89-year-old were recruited. The overall prevalence of skin diseases was 93.5%, and 75.7% of individuals had two or more kinds of skin diseases. Additionally, there were 47 kinds of comorbid skin diseases in patients with T2DM, of which eight kinds of skin diseases had a prevalence >10%. The prevalence of skin diseases in NGT, IGT, and T2DM groups were 93.3%, 91.5%, and 96.6%, respectively; stratified analysis by categories showed a statistically significant difference in "disturbances of pigmentation" and "neurological and psychogenic dermatoses". The duration of T2DM also significantly associated with the prevalence of "disturbances of pigmentation" and "neurological and psychogenic dermatoses". Subsequently, the prevalence of "disturbances of pigmentation" was higher in males than females in NGT (P < 0.01) and T2DM (P < 0.01) groups. In addition, the difference in the prevalence of "disturbances of pigmentation" was also significant in NGT and T2DM groups (P < 0.01).@*CONCLUSIONS@#There was a high prevalence of skin diseases in the Da Qing Diabetes Study. To address the skin diseases in the Da Qing Diabetes Study, increased awareness and intervention measures should be implemented.
Subject(s)
Aged , Aged, 80 and over , Female , Humans , Male , Middle Aged , Blood Glucose , Cross-Sectional Studies , Diabetes Mellitus, Type 2/epidemiology , Glucose Intolerance/epidemiology , Glucose Tolerance Test , Skin Diseases/epidemiologyABSTRACT
Objective:To observe the effect of Dredging Correcting Manipulation on cblC methylmalonic aciduria (MMA). Methods:From October, 2017 to October, 2018, 72 children with cblC MMA combined with growth retardation were divided into control group (n = 36) and experimental group (n = 36) according to the consent of their parents. The control group accepted routine medicine, and the experimental group received Dredging Correcting Manipulation in addition. The Griffiths Development Scale-Chinese version (GDS-C) was used to evaluate the two groups before and after treatment. At the same time, body length, body mass and head circumference were measured. Results:Six cases in the control group and five cases in the experimental group were dropped out. There was no significant difference in the development quotients of GDS-C in gross movement, personal and social, hearing and speech, hand-eye coordination, operation and total quotient between two groups before treatment (P > 0.05). After treatment, all the development quotients increased in both groups (t > 6.110, P < 0.001), and the development quotients of GDS-C in gross movement, personal and social, hand-eye coordination and total quotient were higher in the experimental group than in the control group (t > 2.154, P < 0.05), as well as the body length (t = 2.027, P < 0.05). Conclusion:Dredging Correcting Manipulation can promote the neuropsychological and physical development of children with cblC MMA combined with retardation.
ABSTRACT
Research on the molecular mechanisms controlling circadian rhythm in Western medicine is comparable to the study of a day-night rhythm in Chinese medicine (CM), as also focus on the same life phenomenon. By comparing the two, this paper elaborates on the differences between them in their respective issues of consciousness, ways of thinking, research methods and research results. Relatively speaking, Nobel Prize research has a stronger sense of the problems and concerns about the essence of "what", while CM focuses on "how a thing functions". The former mainly adopts experimental and mathematical methods, while the latter primarily depends on observation and understanding. The natural philosophy and natural science eventually lead to the results and the inevitable, quantitative and qualitative differences. Research on the life rhythm in CM should be proposed, scientific problems should be fully grasped, and research should be carried out with the aid of multidisciplinary new knowledge and new achievements through cross-disciplinary studies. On the basis of clinical epidemiological research and experimental research, a systematic review should be made of the human physiology of CM and the pathological rhythm model to explore the regulatory mechanism of time rhythm and create a new theory of time medicine.
ABSTRACT
OBJECTIVE@#To evaluate the curative efficacy of self-made fine-tuning setting in the process of femoral distal implantation of intramedullary nail.@*METHODS@#From October 2015 to October 2017, 66 cases of femoral shaft fracture were treated with anterograde interlocking intramedullary nail including 45 males and 21 females with a mean age of(37.21±11.18) years old. Among them, 36 cases were treated with the manufacture's aiming device and self-made fine-tuning setting (research group), other 30 cases were treated with the manufacture's aiming device(control group). The mean operation time, the times of C-arm scan in surgery, the post-operation complications and the fracture union were observed and compared in two groups.@*RESULTS@#Sixty-two cases acquired 8 to 15 months with a mean time of 12.4 months follow-up visit. The post-operation complications and the fracture union between the two groups had no significant difference(>0.05), the mean operation time and the times of C-arm scan in surgery had statistically significant difference(<0.05).@*CONCLUSIONS@#Self-made fine-tuning setting in the process of femoral interblocking intramedullary nail could shorten operation time and reduce the the times of C-arm scan.
Subject(s)
Adult , Female , Humans , Male , Middle Aged , Bone Nails , Femoral Fractures , Fracture Fixation, Intramedullary , Operative Time , Postoperative Period , Treatment OutcomeABSTRACT
Objective@#Dermoscopy is a useful technique for improving the diagnostic accuracy of various types of skin disorders. In China, dermoscopy has been widely accepted, and domestic researchers have made tremendous progress in the field of dermoscopy. The main purpose of this review is to summarize the current status of dermoscopy in China and identify its future directions.@*Data sources@#Articles included in this review were obtained by searching the following databases: Wanfang, China National Knowledge Infrastructure, PubMed, and the Web of Science. We focused on research published before 2019 with keywords including dermoscopy, dermoscopic, dermoscope and trichoscopy.@*Study selection@#A total of 50 studies were selected. Of these studies, 20 studies were in Chinese and 30 in English, research samples of all the studies were collected from Chinese populations.@*Results@#Since 2000, more than 380 articles about dermoscopy have been published in domestic or foreign journals. Dermoscopy can improve the diagnostic accuracy of neoplastic diseases, evaluating the therapeutic effect of treatment, and determining the treatment endpoint, and it can also assist in the differential diagnosis of inflammatory diseases and in the assessment of the severity of the disease. In addition, researches about the applications of dermoscopy during surgical treatment have been published. Training courses aiming to improve the diagnostic ability of dermatologists, either face-to-face or online, have been offered. The Chinese Skin Image Database, launched in 2017 as a work platform for dermatologists, has promoted the development of dermoscopy in China. Computer-aided diagnostic systems based on the Chinese population are ready for use. In the future, cooperation, resource sharing, talent development, image management, and computer-aided diagnosis will be important directions for the development of dermoscopy in China.@*Conclusion@#Dermoscopy has been widely used and developed in China, however, it still needs to address more challenges in the future.
ABSTRACT
OBJECTIVE@#Dermoscopy is a useful technique for improving the diagnostic accuracy of various types of skin disorders. In China, dermoscopy has been widely accepted, and domestic researchers have made tremendous progress in the field of dermoscopy. The main purpose of this review is to summarize the current status of dermoscopy in China and identify its future directions.@*DATA SOURCES@#Articles included in this review were obtained by searching the following databases: Wanfang, China National Knowledge Infrastructure, PubMed, and the Web of Science. We focused on research published before 2019 with keywords including dermoscopy, dermoscopic, dermoscope and trichoscopy.@*STUDY SELECTION@#A total of 50 studies were selected. Of these studies, 20 studies were in Chinese and 30 in English, research samples of all the studies were collected from Chinese populations.@*RESULTS@#Since 2000, more than 380 articles about dermoscopy have been published in domestic or foreign journals. Dermoscopy can improve the diagnostic accuracy of neoplastic diseases, evaluating the therapeutic effect of treatment, and determining the treatment endpoint, and it can also assist in the differential diagnosis of inflammatory diseases and in the assessment of the severity of the disease. In addition, researches about the applications of dermoscopy during surgical treatment have been published. Training courses aiming to improve the diagnostic ability of dermatologists, either face-to-face or online, have been offered. The Chinese Skin Image Database, launched in 2017 as a work platform for dermatologists, has promoted the development of dermoscopy in China. Computer-aided diagnostic systems based on the Chinese population are ready for use. In the future, cooperation, resource sharing, talent development, image management, and computer-aided diagnosis will be important directions for the development of dermoscopy in China.@*CONCLUSION@#Dermoscopy has been widely used and developed in China, however, it still needs to address more challenges in the future.
ABSTRACT
OBJECTIVE@#To study the expression of Shh and Wnt5a genes in the limb buds of NIPBL fetal rats and the association of these two genes with Cornelia de Lange syndrome (CdLS).@*METHODS@#A total of 72 NIPBL fetal rats were divided into an experimental group and a control group, with 36 rats in each group. The limb buds were collected from 12 fetal rats each on embryonic days 10, 11 and 12 (E10, E11 and E12) respectively. Real-time PCR and Western blot were used to measure the mRNA and protein expression of Shh and Wnt5a.@*RESULTS@#The mRNA and protein expression of Shh and Wnt5a was detected in the limb buds on E10, E11 and E12, and the experimental group had significantly lower expression than the control group (P<0.01). The mRNA and protein expression of Shh and Wnt5a in limb buds was at a low level on E10, followed by an increase on E11 and a reduction on E12, and the expression on E12 was still lower than that on E10 (P<0.01).@*CONCLUSIONS@#The mRNA and protein expression of Shh and Wnt5a are consistent. The pathogenesis of CdLS may be associated with the low mRNA and protein expression of Shh and Wnt5a inhibited by the low expression of NIPBL gene.
Subject(s)
Animals , Rats , De Lange Syndrome , Hedgehog Proteins , Mutation , Phenotype , Proteins , RNA, Messenger , Wnt-5a ProteinABSTRACT
Objective To observe the preventive effect of different doses of diacerein on acute gout model rats and to explore its possible mechanism.Methods A total of 30 Wistar rats and were randomly assigned to the normal control group, the negative control (normal saline control group, and positive (colchicine) control group, diacerein low dose group, medium iddle dose group and high dose group.Except the normal control group that were given normal saline, other groups received colchicine (0.3 mg·kg-1 ·d-1), diacerein (10 mg·kg-1·d-1, 50 mg·kg-1·d-1 and 100 mg·kg-1·d-1) for 8 days respectively, and prepared acute gouty arthritis model on the 6th day, then observed rats joint swelling and gait at 2 h, 6 h, 8 h, 24 h and 48 h after the acute gouty arthritis model were established.After 48 h, the rats were killed, the serum and joint leachate of the rats were collected to test interleukin (IL)-1β and tumor necrosis factor (TNF)-α.One-way analysis of variance (ANOVA), LSD t test and Kruskal-Wallis rank sum test were used for statistical analysis.Results Compared with the normal group, joint swelling of the rats in the negative control group became significantly swollen at 2 h after the model was established,at and it reached the peak at 8 h reached the peak, then decreased gradually and remitted obviously at 48 h obviously remission.Joint swelling of the ccolchicine group and diacerein high dose group joint swelling [(0.106±0.081) cm, (0.112±0.030) cm] and ankle joint inflammation index score [(2.8±1.7), (3.16±0.75)] were significantly decreased compared with the negative control group [(0.208±0.078) cm, (4.7±1.6);P＜0.05].In addition, compared with the negative control group, the gait of diacerein high dose group was significantly improved (F=7.552, F=1.859, P＜0.05), colchieine group and diacerein high dose group, the serum and joint leaching liquid TNF-α and IL-1 levels also decreased significantly (P＜0.05).Conclusion Diacerein in any In each dosage group of has a certain preventive and therapeutic effect on rats gouty arthritis rats, especially in high dose group, the anti-inflammatory mechanism may be down-regulating the expression of proinflammatory mediators such as IL-1 beta and TNF-α.
ABSTRACT
<p><b>OBJECTIVE</b>To explore the clinical outcomes of percutaneous vertebroplasty (PVP) and percutaneous kyphoplasty (PKP) in treating osteoporotic vertebral compression fracture (OVCF).</p><p><b>METHODS</b>From January 2007 to February 2010, the data of 40 patients with osteoporotic vertebral compression fracture underwent treatment were retrospectively analyzed. Of them,20 patients were treated with PVP (PVP group), there were 8 males and 12 females with an average age of (66.37 +/- 2.34) years old (54 to 81); 20 patients were treated with PKP (PKP group), there were 11 males and 9 females with an average of (65.12 +/- 3.21) years old (56 to 79). Postoperative at 1 week, 12 weeks, 1 year, pain and daily life function were respectively assessed by visual analogue scale (VAS) and Barthel index (BI); and anterior height of responsibility vertebra, Cobb angle were measured by X-rays.</p><p><b>RESULTS</b>In PVP group, 1 case complicated with bone cement leakage without clinical symptoms and no operation to treat. No postoperative infection and deep vein thrombosis were found between two groups. All patients were followed up more than 1 year, pain and daily life function has obviously improved than preoperative (P < 0.01); and there was no significant difference on 1 week, 12 weeks, 1 year after operation (P > 0.05); there was no significant difference between two groups (P > 0.05). In PVP group, there was no significant difference in anterior height of responsibility vertebra, Cobb angle before and after operation;and in PKP group, postoperative data has obviously improved than preoperative (P < 0.01), but there was no significant difference postoperative at 1 week, 12 weeks, 1 year (P > 0.05); there was no significant difference between two groups at 1 week, 12 weeks, 1 year after operation.</p><p><b>CONCLUSION</b>Both the methods can obviously relieve pain and completely or partly recover daily life function in treating OVCF. But PKP has advantages of recovery of anterior height of responsibility vertebra and correction of Cobb angle, especially for serious compression.</p>
Subject(s)
Aged , Aged, 80 and over , Female , Humans , Male , Middle Aged , Fractures, Compression , Diagnostic Imaging , General Surgery , Kyphoplasty , Osteoporotic Fractures , Diagnostic Imaging , General Surgery , Radiography , Recovery of Function , Retrospective Studies , Spinal Fractures , Diagnostic Imaging , General Surgery , Spine , General Surgery , Treatment OutcomeABSTRACT
In order to understand the research status of HUANG Fu-mi's A-B Classic of Acupuncture and Moxibustion, 83 pieces of literature that have been publically published since 1978 were analyzed. A summary was performed according to 7 aspects including version origin, emendation, arrangement and summary, theory discussion, clinical research, value evaluation, the rest questions, etc. It is believed that deep research work has been done on explanations, emendation and translation regarding A-B Classic of Acupuncture and Moxibustion. However, the exploration work on the theory and application is far from enough. Therefore, beginning from historical and cultural background, we should analyze the humanistic spirit of HUANG Fu-mi combined with A-B Classic of Acupuncture and Moxibustion to perform a deep exploration, so we could have a thorough and comprehensive research on HUANG Fu-mi's academic thoughts.
Subject(s)
Humans , Acupuncture , Education , Acupuncture Therapy , History , Methods , Books , History , China , History, Ancient , Medicine in Literature , Moxibustion , History , MethodsABSTRACT
The study was designed to explore the alteration of intracellular calcium concentration ([Ca²⁺]i), induced by transient receptor potential melastatin 8 (TRPM8) channel-specific agonist menthol, in pulmonary arterial smooth muscle cells (PASMCs) between control and pulmonary hypertensive (PH) rats. PH rat models were established by means of chronic hypoxia (CH) and monocrotaline (MCT) injection, respectively. PASMCs from control and PH rats were cultured. The change of [Ca²⁺]i in PASMCs induced by menthol, and the effect of TRPM8 channel-specific antagonist BCTC on the change of [Ca²⁺]i, were observed. Cellular localization of TRPM8 was examined by using immunohistochemistry. Results showed that menthol increased [Ca²⁺]i in the control PASMCs both in Ca²⁺ -normal and Ca²⁺ - free Tyrode's solutions, and at the same time BCTC could inhibit these two kinds of elevations. Compared with the control group, elevations of [Ca²⁺]i were decreased notably in CH- and MCT-pretreated PASMCs superfused with 2 mmol/L Ca²⁺ - or 0 Ca²⁺ -Tyrode's solutions. Immunohistochemical localization experiments showed that the whole PASMCs were dyed brown except for the nucleus. This study verified that TRPM8 exists both in membrane and sarcoplasmic reticulum of PASMCs. In addition, CH- and MCT-pretreatment could independently down-regulate the Ca²⁺ influx and Ca²⁺ release mediated by TRPM8 channel.
Subject(s)
Animals , Rats , Calcium , Metabolism , Cells, Cultured , Menthol , Pharmacology , Myocytes, Smooth Muscle , Metabolism , Pulmonary Artery , Cell Biology , Sarcoplasmic Reticulum , Metabolism , TRPM Cation Channels , MetabolismABSTRACT
Mesaconitine was incubated with rat liver microsomes in vitro. The metabolites of mesaconitine in rat liver microsomes were identified by ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method with high resolution power. A typical reaction mixture of 100 mol L-1 Tris-HCI buffer (pH 7.4) containing 0.5 gL-1 microsomal protein and 50 micro molL-1 mesaconitine was prepared. The above reaction mixture was divided into six groups, and the volume of each group was 200 micro L. The incubation mixture was pre-incubated at 37 degrees C for 2 min and the reactions were initiated by adding NADPH generating system. After 90 min incubation at 37 degrees C, 200 micro L of acetonitrile was added to each group to stop the reaction. The metabolites of mesaconitine were investigated by UPLC-MS/MS method. Mesaconitine and 6 metabolites M1-M6 were found in the incubation system. The structures were characterized according to the data from MS/MS spectra and literatures. The metabolic reactions of mesaconitine in rat liver microsomes included the demethylation, deacetylation, dehydrogenation and hydroxylation. The major metabolic pathways of mesaconitine in rat liver microsomes were determined by UPLC-MS/MS on multiple reaction monitoring (MRM) mode combined with specific inhibitors of cytochrome P450 (CYP) isoforms, including alpha-naphthoflavone (CYP1A2), quinine (CYP2D), diethyldithiocarbamate (CYP2E1), ketoconazole (CYP3A) and sulfaphenazole (CYP2C), separately. Mesaconitine was mainly metabolized by CYP3A. CYP2C and CYP2D were also more important CYP isoforms for the metabolism reactions of mesaconitine, but CYP1A2 and CYP2E1 haven't any contribution to MA metabolism in rat liver microsomes.
Subject(s)
Animals , Male , Rats , Aconitine , Metabolism , Chromatography, High Pressure Liquid , Cytochrome P-450 CYP3A , Metabolism , Cytochrome P-450 CYP3A Inhibitors , Cytochrome P-450 Enzyme Inhibitors , Cytochrome P-450 Enzyme System , Metabolism , Enzyme Inhibitors , Pharmacology , Ketoconazole , Pharmacology , Metabolic Networks and Pathways , Microsomes, Liver , Metabolism , Quinine , Pharmacology , Rats, Sprague-Dawley , Sulfaphenazole , Pharmacology , Tandem Mass SpectrometryABSTRACT
<p><b>BACKGROUND</b>Dysregulated metallothionein 2A (MT2A) has been implicated in carcinogenesis. The purpose of this study was to investigate the expression of MT2A in gastric cancer (GC) and its correlation with prognosis.</p><p><b>METHODS</b>Reverse transcription-polymerase chain reaction and real-time polymerase chain reaction were used to detect the mRNA expression of MT2A in 12 GC cell lines, normal gastric epithelial GES-1 cells, and 36 GC and adjacent normal tissues. MT2A protein expression was determined in 258 GC tissues and 171 adjacent normal tissues by immunohistochemistry.</p><p><b>RESULTS</b>MT2A mRNA expression was lower in GC cells and primary tumors than in GES-1 cells and adjacent normal tissues, respectively. High protein expression of MT2A was present in 130 of 171 normal tissues (76.0%) and in 56 of 258 GC tissues (21.7%; P < 0.001). MT2A protein expression was higher in well/moderately differentiated GC (22/54; 40.7%) than in poorly differentiated GC (34/204; 16.7%; P < 0.001). Moreover, the protein expression of MT2A was lower in diffuse-type GC (6/82; 7.3%) than in intestinal-type GC (50/176; 28.4%; P = 0.0001). Importantly, MT2A expression was an independent prognostic factor for GC, and decreased MT2A expression was associated with poor clinical outcome (P < 0.001). The expression status of MT2A could predict prognosis in intestinal and diffuse-type GCs.</p><p><b>CONCLUSION</b>Expression status of MT2A might be a useful prognostic biomarker for GC, especially when used in combination with Lauren's classification.</p>
Subject(s)
Adult , Aged , Female , Humans , Male , Middle Aged , Cell Line, Tumor , Logistic Models , Metallothionein , Genetics , MicroRNAs , Prognosis , Proportional Hazards Models , Stomach Neoplasms , Chemistry , Classification , PathologyABSTRACT
The LEAFY (LFY) homologous gene of Dendrobium moniliforme (L.) Sw. was cloned by new primers which were designed based on the conservative region of known sequences of orchid LEAFY gene. Partial LFY homologous gene was cloned by common PCR, then we got the complete LFY homologous gene Den LFY by Tail-PCR. The complete sequence of DenLFY gene was 3 575 bp which contained three exons and two introns. Using BLAST method, comparison analysis among the exon of LFY homologous gene indicted that the DenLFY gene had high identity with orchids LFY homologous, including the related fragment of PhalLFY (84%) in Phalaenopsis hybrid cultivar, LFY homologous gene in Oncidium (90%) and in other orchid (over 80%). Using MP analysis, Dendrobium is found to be the sister to Oncidium and Phalaenopsis. Homologous analysis demonstrated that the C-terminal amino acids were highly conserved. When the exons and introns were separately considered, exons and the sequence of amino acid were good markers for the function research of DenLFY gene. The second intron can be used in authentication research of Dendrobium based on the length polymorphism between Dendrobium moniliforme and Dendrobium officinale.
Subject(s)
Amino Acid Sequence , Base Sequence , DNA, Plant , Genetics , Dendrobium , Genetics , Exons , Introns , Orchidaceae , Genetics , Phylogeny , Plant Leaves , Genetics , Plant Proteins , Genetics , Plants, Medicinal , Genetics , Sequence Alignment , Sequence Homology, Amino AcidABSTRACT
<p><b>OBJECTIVE</b>To study a simple and reliable method to produce the rat model of alcoholic cardiomyopathy, evaluating the model with isoprenaline provocation test (IPT) and morphological indicators.</p><p><b>METHODS</b>Adult male rats were intragastrically infused of wine (52% v/v) at 20 g/(kg x d) for 15 days with the general condition, the change of eating amount and weight being observed. The levels of mean left ventricle systolic pressure (mLVSP), mean left ventricle diastolic pressure (mLVDP), mean left ventricle pressure (mLVP), heart ratio (HR), maximal rise velocity of left ventricular pressure (+ dp/dtmax), maximal fall velocity of left ventricular pressure (- dp/dtmax) and the reaction of isoprenaline were examined by left ventricular cannulation, and the morphological change was observed with optical microscope and transmission electron microscopy.</p><p><b>RESULTS</b>Both diastolic and systolic function of the model rats was lower than that of the control group as well as the cardiac energy reserve induced by IPT. Pathological observation demonstrated myocardial hypertrophy, myocardiocyte necrosis and infiltration of inflammatory cells. The transmission electron microscopy showed that mitochondria became enlarged or crimpled with fused or disappeared cristae and myofibrils dissolved and fractured.</p><p><b>CONCLUSION</b>The adult male SD model rats exhibit diabetic cardiomyopathy by intragastric infusion of wine (52% v/v) at 20 g/(kg x d) for 15 days. IPT can induce the cardiac energy reserve and evaluate that accurately, displaying the hidden heart dysfunction.</p>
Subject(s)
Animals , Male , Rats , Cardiomyopathy, Alcoholic , Disease Models, Animal , Isoproterenol , Rats, Sprague-DawleyABSTRACT
<p><b>OBJECTIVE</b>To observe the efficacy and safety of PEG-interferon alpha-2a (PEG-IFNalpha-2a) treatment on lamivudine (LAM)-resistant chronic hepatitis B (CHB) patients.</p><p><b>METHODS</b>Eighty-one patients with lamivudine-resistant HBeAg (+) chronic hepatitis B patients were enrolled and divided into PEG-IFNalpha-2a treatment group (40 cases) and adefovir dipivoxil (ADV) control group (41 cases). Two groups were combined with LAM in the first 12 weeks(w). The ALT normalization rate, the HBV DNA and HBeAg negative rate, and the HBeAg seroconversion rate were observed in 12 W, 24 W, 48 W.</p><p><b>RESULTS</b>The ALT normalization rate in 12 W, 24 W of PEG-IFNalpha-2a group was 62.5% and 80.0%. And it was higher than that of ADV group. The HBeAg negative rate and HBeAg seroconversion rate in 48 W of PEG-IFNalpha-2a group were 60% and 57.5% , which were higher than that of ADV group. The difference was statistically significant (P < 0.05).</p><p><b>CONCLUSION</b>PEG-IFNalpha-2a treatment of lamivudine-resistant HBeAg (+) chronic hepatitis B is superior to ADV, and its security is well.</p>
Subject(s)
Adult , Female , Humans , Male , Middle Aged , Adenine , Therapeutic Uses , Antiviral Agents , Therapeutic Uses , DNA, Viral , Drug Resistance, Viral , Genetics , Hepatitis B virus , Hepatitis B, Chronic , Drug Therapy , Virology , Interferon-alpha , Therapeutic Uses , Interferons , Allergy and Immunology , Pharmacology , Lamivudine , Therapeutic Uses , Mutation , Organophosphonates , Therapeutic Uses , Polyethylene Glycols , Therapeutic Uses , Recombinant Proteins , Treatment Outcome , Watchful WaitingABSTRACT
<p><b>AIM</b>Observe the effects of er-long-zuo-ci-wan (EIZCW, a compound of Chinese Traditional Medicine) on the spontaneous discharge of external cortex of inferior colliculus (ICx) and secondary auditory cortex (AII) of chronic tinnitus model rats induced by salicylate acid, to explore the neural mechanisms underlying ELZCW preventing tinnitus.</p><p><b>METHODS</b>30 adult SD rats were involved and divided into three groups, normal control group, chronic tinnitus model group and ELZCW prevention group. Extracellular recording techniques and stereotaxic method were used. The spontaneous spikes were recorded and analyzed from ICx and all in different group rats. The average rate of spontaneous discharge and the interspike interval histogram of spontaneous activities were used as indexes.</p><p><b>RESULTS</b>(1) Compared with normal control group, the average rate of spontaneous discharge recorded from the ICx in the chronic tinnitus model group increased significantly (4.57 +/- 0.54 Hz vs. 3.14 +/- 0.40 Hz, P < 0.05). Furthermore analysis showed that the discharge rate of short spike interval from the ICx in the chronic tinnitus model group increased than that of the normal group (0-40 ms: 58% vs. 40%; 0-4 ms: 9% vs. 5%). And there was an increasing tendency of the average rate of spontaneous discharge recorded from the AII in the chronic tinnitus model group compared with that in the normal group. (2) Compared with the chronic tinnitus model group, the average rate of spontaneous discharge recorded from the ICx and AII in the ELZCW prevention group significantly decreased than that in the chronic tinnitus model group (ICx: 2.41 +/- 0.21 Hz vs. 4.57 +/- 0.54 Hz, P < 0.01. AII: 2.24 +/- 0.24 Hz vs. 4.57 +/- 0.54 Hz , P < 0.01). And the discharge rate of short spike interval from the ICx and AII in the chronic tinnitus model group decreased than that in the normal control group (ICx: 0-40 ms 50% vs. 58%, 0-4 ms 4% vs. 9%. All: 0-22 ms: 24% vs. 31%, 0-8 ms 19% vs. 16%).</p><p><b>CONCLUSION</b>If the increasing of the spontaneous activities of ICx and AII in chronic tinnitus rats means tinnitus, the use of ELZCW could decrease this kind of changes.</p>