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1.
China Occupational Medicine ; (6): 77-80, 2021.
Article in Chinese | WPRIM | ID: wpr-881974

ABSTRACT

OBJECTIVE: To analyze the experience of diagnosis and treatment of a case of brodifacoum poisoning. METHODS: The clinical data of a case of unexplained brodifacoum poisoning was retrospectively analyzed. RESULTS: The patient went to the doctor for unexplained bleeding. The bleeding symptoms included nasal o blood ozing, blood in saliva and skin ecchymosis. Blood anticoagulative rodenticide test showed positive with brodifacoum. The results of coagulative function tests showed that the indexes of partial prothrombin time, prothrombin time and fibrinogen were increased. The patient was diagnosed as brodifacoum poisoning based on the clinical symptoms and laboratory test results. The combined use of 40 mg/d of vitamin K_1 and frozen plasma improved the clotting time and quickly alleviated the bleeding symptoms of the patient. However, the patient′s bleeding symptoms recurred when vitamin K_1 was discontinued. The patient was hospitalized for 62 days and then discharged. With follow-up one month after discharge, the patient showed no bleeding symptoms, but brodifacoum could still be detected in the blood. CONCLUSION: The symptoms of brodifacoum poisoning may relapse and the treatment course is long. Vitamin K_1 could be used as the first-choice medicine for the treatment of brodifacoum poisoning, but its usage needs to be optimized.

2.
Article in Chinese | WPRIM | ID: wpr-793035

ABSTRACT

OBJECTIVE@#To compare the clinical therapeutic effect of electroacupuncture (EA) combined with penetrating moxibustion and biofeedback electrical stimulation on postpartum pelvic organ prolapsed (POP).@*METHODS@#A total of 60 patients with POP who had delivery 6 weeks ago were randomized into an observation group and a control group, 30 cases in each one. In the observation group, EA was applied at Zigong (EX-CA 1), Ciliao (BL 32), Huiyang (BL 35), etc. while penetrating moxibustion was performed at acupoints of abdomen and lumbosacral region alternately every other day. In the control group, biofeedback electrical stimulation was provided. The treatment for 6 weeks was given once every other day, 3 times a week in both groups. Before treatment, after treatment and 6 months after delivery, pelvic floor muscle strength, pelvic organ prolapse quantification (POP-Q) evaluation and pelvic floor impact questionnaire short form-7 (PFIQ-7) were observed to assess the therapeutic effect.@*RESULTS@#Compared before treatment, the sustained contraction and rapid contraction force of pelvic floor muscle after treatment and 6 months after delivery were increased in both of the two groups (<0.05), and the changes in the observation group were larger than those in the control group (<0.05). After treatment and 6 months after delivery, the POP degree in the observation group was alleviated to the control group (<0.05). Compared before treatment, the scores of PFIQ-7 after treatment and 6 months after delivery were reduced in the two groups (<0.05), and the changes in the observation group were larger than those in the control group (<0.05).@*CONCLUSION@#Electroacupuncture combined with penetrating moxibustion can strengthen the pelvic floor muscle contractility of patients with postpartum pelvic organ prolapse, and are superior to biofeedback electrical stimulation in improving the pelvic organ prolapse status and life quality.

3.
Article in Chinese | WPRIM | ID: wpr-775860

ABSTRACT

OBJECTIVE@#To compare the clinical effect differences between electroacupuncture (EA) combined with penetrating moxibustion and the biological feedback training of pelvic floor muscle for postpartum stress urinary incontinence (SUI).@*METHODS@#Sixty patients of SUI who had delivery 42 days ago were randomly divided into an observation group and a control group, 30 cases in each one. The observation group was treated with EA and penetrating moxibustion. EA was applied at Ciliao (BL 32) and Huiyang (BL 35), combined with acupuncture at Qihai (CV 6), Zhongji (CV 3), Zigong (EX-CA 1), Zusanli (ST 36) and Sanyinjiao (SP 6); penetrating moxibustion was performed on abdomen and lumbosacral area. The control group was treated with biological feedback training of pelvic floor muscle. Both the groups were treated once every other day, 3 times per week for continuous 6 weeks. The International Consultation on Incontinence Questionnaire-Short Form (ICI-Q-SF), 1 h urinal pad test and pelvic floor muscle strength were tested before and after treatment; the efficacy was evaluated after treatment and at 6-month follow-up visit.@*RESULTS@#Compared before treatment, the ICI-Q-SF score and 1 h urine leakage were significantly reduced after treatment in the two groups (0.05). After treatment, the cured rate and total effective rate were 70.0% (21/30) and 96.7% (29/30) in the observation group, which were superior to 33.3% (10/30) and 70.0% (21/30) in the control group (<0.01); in the 6-month postpartum period, the cured rate and total effective rate were 63.3% (19/30) and 93.3% (28/30) in the observation group, which were superior to 30.0% (9/30) and 66.7% (20/30) in the control group (<0.05).@*CONCLUSION@#EA combined with penetrating moxibustion could improve the urinary control ability, relieve the symptoms of urinary incontinence and have a better long-term effect in patients with postpartum SUI, which is superior to biological feedback training of pelvic floor muscle.


Subject(s)
Electroacupuncture , Female , Humans , Moxibustion , Postpartum Period , Pregnancy , Pregnancy Complications , Therapeutics , Treatment Outcome , Urinary Incontinence, Stress , Therapeutics
4.
Journal of Experimental Hematology ; (6): 1217-1221, 2014.
Article in Chinese | WPRIM | ID: wpr-302317

ABSTRACT

This study was aimed to investigate the expression level of Wilms' tumor 1( WT1) gene in hematologic neoplasm (leukemia, multiple myeloma and lymphoma) patients and its clinical significance. Real-time quantitative polymerase chain reaction (RQ-PCR) was used to detect the copy number of WT1 gene and reference gene (ALB) in bone marrow cells of 228 patients with hematologic neoplasm in our hospital. The gene expression level was determined by using the ratio of the copy number of WT1 gene and reference gene. The results showed that the WT1 expression level between male and female patients was not statistically significantly different (P > 0.05). All the patients were divided into 3 groups: the group aged under 19, the group aged between 19-50, and the group aged over 50; the WT1 expression level among the three groups were not statistically significantly different (P > 0.05) . The above-mentioned patients were redivided into the groups aged under 45 and over 45, the difference between them was not statistically significant (P > 0.05). The difference of WT1 expression level between newly diagnosed patients and treated patients with hematologic neoplasm was statistically significant (P < 0.01), but no statistically significant difference of WT1 expression was found (P > 0.05) at each stage within 3 years after treatment, however, among them the difference between newly diagnosed leukemia patients and treated leukemia patients was very statistically significant (P < 0.01), while the difference between newly diagnosed and treated non-leukemia patients was not statistically significant (P > 0.05). The expression difference of WT1 between leukemia and non-leukemia patients was very statistically significant (P < 0.01), the difference between the newly diagnosed leukemia and non-leukemia patients also was very statistically significant (P < 0.01). The difference of WT1 expression between treated leukemia and non-leukemia patients was not statistically significant (P > 0.05). It is concluded that the WT1 expression level in leukemia patients can be a reliable marker to evaluate the prognosis of newly diagnosed leukemia and the curative effect for minimal residual disease. No WT1 expression difference has been found before and after treatment among the patients with non-leukemia, such as multiple myeloma and lymphoma, therefore, which should be furtherly explored.


Subject(s)
Aged , Female , Gene Expression Regulation, Neoplastic , Genes, Wilms Tumor , Hematologic Neoplasms , Genetics , Humans , Leukemia , Genetics , Male , Neoplasm, Residual , Polymerase Chain Reaction , Prognosis
5.
Article in Chinese | WPRIM | ID: wpr-248882

ABSTRACT

<p><b>OBJECTIVE</b>To evaluate the efficacy and safety of alendronate for the treatment of osteoporosis/osteopenia secondary to hyperthyroidism.</p><p><b>METHODS</b>From April 2008 to November 2009, 27 patients with hyperthyroidism with osteoporosis/ osteopenia measured by dual energy X-ray absorptiometry (DXA) were included in this study, and then they were randomly divided into two groups (group A and group B) by simple random sampling. Group A consisted of 14 patients treated with antithyroid drug and caltrate D, the antithyroid drug change with thyroid function, and caltrate D 600 mg per day. Group B consisted of 13 patients treated with antithyroid drug, caltrate D and alendronate, antithyroid drug and caltrate D the same as group A, and alendronate 70 mg weekly. Meanwhile, 21 healthy voluntary adults were chosen as control group. And compared with the control group which was treated with nothing. Followed-up for one year, the bone mineral density (including T-score, Z-score, BMD) in lumbar spine (LS), femoral neck (FN) and distal radius (DR) and general information, were compared before and after treatment.</p><p><b>RESULTS</b>BMD at FN and DR were significantly higher at 12 months after treatment than at the baseline in group A (P = 0.000); T-score, Z-score, and BMD at the LS, FN and DR were all significantly higher at 12 months after treatment than at the baseline in group B (P < 0.05), but these data could not arrive to normal level. In group A, the percentage increased in BMD at the LS, FN, and DR were (4.34 +/- 10.5)%, (3.21 +/- 1.38)%, (1.95 +/- 0.44)%, respectively, at 12 months after treatment. In group B, the percentage increased in BMD at the LS, FN, and DR were (6.10 +/- 8.12)%, (4.10 +/- 5.64)%, (3.10 +/- 3.23)%, respectively, at 12 months after treatment. There was significant difference in the rate of increase between two groups (P < 0.05). AKP decreased, weight, BMI increased, and thyroid function decreased, after treatment than those before in both of the two groups. (P < 0.05).</p><p><b>CONCLUSION</b>Alendronate can significantly increase BMD in treating patients with hyperthyroidism and osteoporosis/osteopenia. Compared with anti-thyroid drugs alone, treatment with alendronate can obtain more clinical effect and also very safety.</p>


Subject(s)
Adult , Alendronate , Therapeutic Uses , Bone Density , Bone Density Conservation Agents , Therapeutic Uses , Bone Diseases, Metabolic , Drug Therapy , Female , Humans , Hyperthyroidism , Drug Therapy , Male , Middle Aged , Osteoporosis , Drug Therapy
6.
Article in Chinese | WPRIM | ID: wpr-322752

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the cytotoxic effect of multi-walled carbon nanotubes (MWCNTs) on human liver L02 cells and its relevant mechanism.</p><p><b>METHODS</b>MWCNTs, carboxyl modification MWCNTs (MWCNTs-COOH), and hydroxyl modification MWCNTs (MWCNTs-OH) were characterized by transmission electron microscopy, scanning electron microscopy, and X-ray photoelectron spectroscopy. The carbon nanotubes at concentrations of 12.5, 25, 50, 100, and 200 μg/ml were incubated with human liver L02 cells for 24, 48 and 72 hours, respectively. The cell viability was evaluated by water soluble tetrazolium salts assay and the intercellular reactive oxygen species induced by the carbon nanotubes were detected by 2', 7'-dichlorodihydrofluorescein diacetate method.</p><p><b>RESULTS</b>Transmission electron microscope showed that the average outside diameters (10 to 20 nm) and the average length (10 to 30 μm) of the three MWCNTs were similar. Scanning electron microscope indicated that the three MWCNTs had a similar surface topography. X-ray photoelectron spectroscopy demonstrated that the MWCNTs-COOH and MWCNTs-OH had relatively high peak areas at 289 and 286ev, respectively,indicating that they have been modified by carboxyl and hydroxyl groups,respectively. Water soluble tetrazolium salts assay showed that the MWCNTs-COOH was less cytotoxic when compared to MWCNTs which demonstrated to be slightly more cytotoxic than MWCNTs-OH. The capability to induce increase in intracellular reactive oxygen species was in the following order: MWCNTs > MWCNTs-COOH > MWCNTs-OH.</p><p><b>CONCLUSIONS</b>Modification of MWCNTs with carboxyl group and hydroxyl group improves the biocompatibility of MWCNTs to some extents. MWCNTs-COOH has better compatibility than MWCNTs at the low concentration,and MWCNTs-OH showed better compatibility than MWCNTs after 48 hours. Different mechanisms may be involved in the interaction between cells and the MWCNTs with different chemical surfaces.</p>


Subject(s)
Cell Survival , Cells, Cultured , Hepatocytes , Metabolism , Humans , Nanotubes, Carbon , Chemistry , Toxicity , Reactive Oxygen Species , Metabolism
7.
Article in Chinese | WPRIM | ID: wpr-270646

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the effect of the gene nanoparticles using chitosan (CNP), arginine modified chitosan (ANP), or hexadecylated chitosan (HNP) as carriers on the human normal liver cell line L02.</p><p><b>METHODS</b>CNPs, ANPs, and HNPs were prepared using complex coacervation method. The size and zeta potential of the gene nanoparticles were measured using Zetasizer nanoZS. The nanoparticles at concentrations of 5, 10, 30, and 50 microg/ml (based on the content of DNA) were incubated with L02 cells, respectively. The cell viability was evaluated by MTT assay, and the effect of the gene nanoparticles on the cell apoptosis was analyzed by flow cytometry.</p><p><b>RESULTS</b>The zeta potential of the gene nanoparticles ranged from 12.10 to 14.63 mV, and their diameters ranged from 148.07 to 179.47 nm. MTT assay showed that the viability of L02 cells began to decrease when the concentration of CNPs reached 30 microg/ml and higher. Furthermore, the CNPs could induce cell apoptosis as the concentration of CNPs reached 30 microg/ml and higher.</p><p><b>CONCLUSION</b>CNPs can induce L02 cell apoptosis at relatively higher concentrations.</p>


Subject(s)
Apoptosis , Cell Line , Cell Survival , Chitosan , Chemistry , DNA , Chemistry , Genetics , Gene Transfer Techniques , Humans , Nanoparticles , Chemistry
8.
Article in Chinese | WPRIM | ID: wpr-229999

ABSTRACT

<p><b>OBJECTIVE</b>To generate recombinant human tissue factor pathway inhibitor (TFPI) in Pichia pastoris.</p><p><b>METHODS</b>To improve the expression of TFPI, a silent mutation was generated at the specific site of TFPI cDNA. Both wild-type TFPI cDNA and mutated TFPI cDNA were cloned into the expression vector pPic9. The constructed plasmids were subsequently transformed into Pichia pastoris cells GS115 and KM71, and the transformants were confirmed by polymerase chain reaction and DNA sequencing. The expression of recombinant protein was induced by addition of 0.5% methanol in the culture medium. The cell culture medium after induction was concentrated through ultra filtration. The recombinant protein was further purified by a three-step process (Heparin-sepharose CL-6B affinity chromatography, DEAE-Sepharose Fast Flow affinity chromatography, and Sephadex G75-gel filtration). The amount of the recombinant protein was quantified with gel imaging system. The activity of the recombinant protein was analyzed by the chromogenic substrate assay.</p><p><b>RESULTS</b>The amount of TFPI expressed in the mutated clone (1 mg/L) was much higher than that in the wild type clone (0.1 mg/L). The TFPI activity in the recombinant GS115 cells could be detected 12 hours after induction and reached the peak at 36 hours, while the TFPI activity in the recombinant KM71 cells started to show up at 24 hours after induction and reached the peak at 72 hours. The expression of recombinant protein in the silent mutant was significantly higher than those of wild type clone in both GS115 and KM71 host cells. The relative molecular mass of recombinant TFPI was approximately 42 000.</p><p><b>CONCLUSION</b>Introduction of the silent mutation at the specific site of TFPI cDNA can increase the recombinant protein expression in Pichia pastoris, which is much higher than that in insect cells or saccharomyces cerevisiae.</p>


Subject(s)
Humans , Lipoproteins , Genetics , Mutation , Pichia , Genetics , Metabolism , Recombinant Proteins , Genetics
9.
Article in Chinese | WPRIM | ID: wpr-313747

ABSTRACT

<p><b>OBJECTIVE</b>To evaluate the effects of arginine modified chitosan or hexadecylated modified chitosan as gene carriers on the cellular uptake by vascular smooth muscle cells and its in vitro cytotoxicity. METHODS Plasmid DNA was labeled with alpha-32P-dATP and complexed with the modified chitosans or unmodified chitosan to form nanoparticle complexes by complex coacervation method. Uptake of all kinds of chitosan/ DNA nanoparticle complexes (CNC) by A10 cells was measured by beta-liquid scintillation counting. The in vitro cytotoxicity of the CNC was evaluated by the 3-[4,5-dimethylthiazol-2-yl]-2, 5-diphenyltetrazolium bromide (MTT) assay.</p><p><b>RESULTS</b>The diameters of the CNC ranged from 55.9-174.9 nm and the zeta potentials were from 10. 8 mV for the arginine modified chitosan/DNA nanoparticle complexes (ACNC) to 1.8 mV for the hexadecylated chitosan/DNA nanoparticle complexes (HCNC). The cellular uptake of the modified chitosan/ DNA nanoparticle complexes (MCNC) by A10 cells increased significantly when compared with the unmodified chitosan/DNA nanoparticle complexes (UCNC) (P < 0.05), with the HCNC at N/P ratio of 1:1 and the ACNC at ratio of 8:1 showing the highest cellular uptake (1.3 fold higher than UCNC, P < 0.05). MCNC were much less cytotoxic when compared with Lipofectamine 2000-DNA nanoparticles.</p><p><b>CONCLUSION</b>DNA nanoparticle complexes prepared with either arginine or hexadecylated modified chitosan can improve the cellular uptake of the DNA, while the in vitro cytotoxicity of both of the modified chitosan is much less than that of Lipofectamine 2000.</p>


Subject(s)
Animals , Antigen-Antibody Complex , Arginine , Pharmacology , Chitosan , Chemistry , Pharmacology , Citric Acid , Pharmacology , Cytotoxicity, Immunologic , DNA , Pharmacology , Genetic Vectors , Nanoparticles , Rats
10.
Chinese Journal of Surgery ; (12): 1153-1156, 2004.
Article in Chinese | WPRIM | ID: wpr-345110

ABSTRACT

<p><b>OBJECTIVE</b>To investigate whether the separating brachial plexus block combined with preoperative analgesia by patient controlled analgesia (PCA) can be applied in tendon repair and postoperative active or passive functional exercise.</p><p><b>METHODS</b>Two hundred and ten cases with tendon injury were randomly divided into 3 groups and all of the patients were administered Bupivacaine (0.25%), Papaverine (0.0625 mg/ml), and Dexamethasone (0.25 mg/ml) in separating brachial plexus block through axillary approach. Group A was control group, and preoperative analgesia was not applied. Preoperative analgesia was applied in group B and C. Tramadol and Ondansetron were administered in group B, Midazolam was administered besides Tramadol and Ondansetron in group C. The injection volume in the PCIA pump was increased to 100 ml by mixing physiologic saline. The pump was started after separating brachial plexus block in velocity of 2 ml/h, and its maintenance time was 48 h. The effect of separating brachial plexus block at 1, 2, 3, 6 and 12 h after finishing brachial plexus block was compared. The VAS, Ramesay assessment scoring were recorded at 0, 12, 24 and 48 h after starting pump.</p><p><b>RESULTS</b>In each group, the effect of motor block became greater in the ascending order from 1, 2 to 3 h after finishing brachial plexus block, and less in the descending order from 3, 6 to 12 h after finishing brachial plexus block. Only at 6 and 12 h after finishing brachial plexus block, the effect of motor block of group B and group C was significantly less than that of group A (P < 0.05, < 0.01), the effect of motor block of group C was less than that of group B (P > 0.05). The effect of sensory block in the patients of all 3 groups was satisfactory. The VAS, Ramesay assessment scoring, effect of analgesia and sedation at 24 and 48 h after starting pump became greater in the ascending order from group A to group C, in which group B and group C were significantly greater than group A (P < 0.01).</p><p><b>CONCLUSIONS</b>The separating brachial plexus block combined with preoperative analgesia by 2 kinds of PCIA dispensation can be both applied in tendon repair, but the separating effect of brachial plexus block of group B was superior to the group C.</p>


Subject(s)
Adolescent , Adult , Analgesia, Patient-Controlled , Methods , Brachial Plexus , Female , Humans , Male , Middle Aged , Nerve Block , Methods , Pain, Postoperative , Tendons , General Surgery
11.
Acta Pharmaceutica Sinica ; (12): 124-127, 2002.
Article in Chinese | WPRIM | ID: wpr-343386

ABSTRACT

<p><b>AIM</b>To study the chemical constituents from Uvaria macrophylla Roxb. (Annonaceae).</p><p><b>METHODS</b>Various chromatography techniques were used to separate and purify the constituents. Their structures were elucidated by UV, IR, MS, 1HNMR, 13CNMR, 1H-1H COSY, HMQC and HMBC spectral analysis.</p><p><b>RESULTS</b>Seven compounds have been isolated from the CHCl3 extract of the roots of the U. macrophylla. They were identified as macrophyllin (1), onysilin (2), taraxerol (3), 3,5-dimethoxy benzyl benzoic acid ester (4), benzoic acid (5), beta-sitosterol (6) and daucosterol (7).</p><p><b>CONCLUSION</b>Compound 1 is a new compound. Compounds 2-7 were obtained from this plant for the first time.</p>


Subject(s)
Flavonoids , Chemistry , Molecular Structure , Oleanolic Acid , Chemistry , Plant Roots , Chemistry , Plants, Medicinal , Chemistry , Sitosterols , Chemistry , Uvaria , Chemistry
12.
Article in Chinese | WPRIM | ID: wpr-258037

ABSTRACT

To explore methods of maintaining the self-renewal capacity of hematopoietic stem cells, inhibiting their overdue differentiation and expanding hematopoietic cells massively, the murine bone marrow stromal cells were coated on microcarriers, then co-cultured with hematopoietic cells from murine bone marrow as group 2 (G2). The G2 contents were wrapped by sodium alginate, then cultivated as group 1 (G1). The only microcarriers coated with stromal cells as group 3 (G3) and the only bone marrow cells as group 4 (G4) were cultivated as control groups. Contrasting observation and microphotograph were performed; the number of total marrow cells, the colony efficiency of CFU-GM and the percentages of CD34(+) cells were determined. Three repeated experiments indicated that the colony efficiency of CFU-GM before culture (G0) were 118.8 +/- 38.1/10(5) marrow cells, and the total outputs of CFU-GM (G0) were 9 501.3 +/- 3 049.0. After culture for two weeks, hematopoietic cells were adhered to or embedded in stromal cells coating the microcarriers, and had formed hematopoietic focus. The colony efficiency of CFU-GM per 10(5) mononuclear cells in group G1, G2, G3 and G4 averaged 30.9 +/- 13.7, 147.3 +/- 66.0, 23.4 +/- 23.1 and 15.9 +/- 8.1, respectively; the total outputs of CFU-GM in group G1, G2, G3 and G4 averaged 273.8 +/- 75.3, 9 424.8 +/- 7 933.7, 419.1 +/- 305.6 and 140.7 +/- 20.7, respectively; the measured CFU-GM output in group G2 was significantly higher than that in group G4, and still significantly higher than the sum of groups G3 and G4 (t = 6.553, t = 5.494; P < 0.05). The percentage of CD34 cells before culture was 10.0 +/- 1.0; after cultuer for two weeks, the percentages of CD34(+) cells in G1, G2, G3 and G4 averaged 4.0 +/- 1.0, 11.0 +/- 1.0, 3.3 +/- 1.5 and 2.2 +/- 0.8, respectively. The percentage of CD34 positive control (3T3 cells) was 17.0 +/- 1.0. This result was consistent with the result of CFU-GM outputs measured. These data suggest that microcarriers coated with stromal cells can perfectly support the ex vivo hematopoiesis at least to four weeks, while hematopoietic cells fixed by alginate are not significantly different from control groups. The hematopoiesis-simulating model of microcarriers is successful, whereas the hematopoiesis-simulating model of alginate macrocarriers can not support the ex vivo hematopoiesis.

13.
Microbiology ; (12)1992.
Article in Chinese | WPRIM | ID: wpr-685837

ABSTRACT

A pairs of primers were designed according to the fusion protein(F)gene sequences of canine distemper virus(CDV)in GenBank.A 369 bp fragment aimed signal peptide fragment of F gene was amplified.The PCR products from viscera samples,blood,urine of fur animals including foxes,minks and raccoon dogs,which collected in the years 2005-2007,were cloned to pMD18-T Vector and sequenced.We obtained 13 positive signal peptide fragments from wild-type strains.The results indicated there was obviously genetic diversity between the wild-type strains and CDV3 and other vaccine strains.The homology with CDV3 is 80.7%-83.2%in nucleotide,and 64.8%-71.3%in amino acid.The analysis for the hydrophobic regions indicated the function of signal peptide fragment may be changed.This study can offer aca- demic data to research of CDV genetic variation and epidemiology.

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