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1.
Chinese Journal of Endemiology ; (12): 927-931, 2019.
Artigo em Chinês | WPRIM | ID: wpr-824079

RESUMO

Objective To understand the epidemiological and clinical features of patients with hemorrhagic fever and renal syndrome (HFRS) in Shenzhen,and to accumulate experience in the diagnosis and treatment of HFRS in this area.Methods A retrospective analysis was conducted by collecting the clinical data from 46 patients who were confirmed with HFRS and admitted to the Department of Infectious Diseases of Shenzhen People's Hospital from January 2015 to December 2018.The demographic characteristics,epidemiological,clinical manifestations,examinations,treatments and prognosis,and other characteristics were analyzed.Results All the 46 patients with HFRS were residens in Shenzhen,with a male-to-female ratio of 6.67:1.00 (40:6),aged (40.18 ± 15.63) years old,and 38 patients (82.61%) aged 23-45 years old.There were 41 patients (89.13%) with a history of HFRS epidemiology,and there were mice in their houses or workplaces.The houses of 39 patients (84.78%) were rented,and 34 patients (87.18%) rented their houses in urban villages.There were morbidity throughout the year,and 33 patients (71.74%) were ill from January to June.In clinical classification,44 cases (95.65%) were mild,2 cases (4.35%) were medium,and there were no severe or critical cases.The clinical manifestations were that all patients were hospitalized due to fever mainly with hyperthermia.Thirty-nine patients (84.78%) were presented with systemic aches,headaches,low back pain and eyelid pain,and 28 patients (60.87%) had skin and mucous membrane hyperemia flushing.Clinical stages showed that all patients had pyretogenesis stage and polyuria stage,including pyretogenesis stage [(7.34 ± 6.82) d],polyuria stage [(9.94 ± 5.77) d],only 4.35% (2/46) patients with hypotension shock stage,all patients did not have oliguric stage.On the next day of admission,the number of white blood cells in 46 patients was (8.17 ± 3.19) × 109/L,and 38 cases (82.61%) in the normal range;platelet was (61.92 ±32.53) × 109/L,and 42 cases (91.30%) were decreased;the procalcitonin was (1.62 ± 0.38) ng/ml,and 41 cases (89.13%) were increased;C-reactive protein was (74.33 ± 30.48) mg/L,and 46 patients (100.00%) were elevated;creatinine was (176.25 ± 55.15) μmol/L,and 19 cases (41.30%) were increased.Abnormal liver function was manifested by increased enzymology,alanine aminotransferase was (137.58 ± 46.76) U/L,and aspartate aminotransferase was (129.82 ± 40.29) U/L.All patients were positive for Hantavirus IgM.B-ultrasound results showed that in 58.70% (27/46) patients,both kidneys were plump and the parenchymal echo was enhanced.Liver injury occurred in 39 patients (84.78%) and sinus bradycardia in 2 patients (4.35%).All the 46 patients were clinically cured.Conclusion The epidemiological characteristics of patients with HFRS in Shenzhen are typical,the clinical manifestations are mild,and the curative effect and prognosis are good.

2.
Chinese Journal of Endemiology ; (12): 927-931, 2019.
Artigo em Chinês | WPRIM | ID: wpr-800954

RESUMO

Objective@#To understand the epidemiological and clinical features of patients with hemorrhagic fever and renal syndrome (HFRS) in Shenzhen, and to accumulate experience in the diagnosis and treatment of HFRS in this area.@*Methods@#A retrospective analysis was conducted by collecting the clinical data from 46 patients who were confirmed with HFRS and admitted to the Department of Infectious Diseases of Shenzhen People's Hospital from January 2015 to December 2018. The demographic characteristics, epidemiological, clinical manifestations, examinations, treatments and prognosis, and other characteristics were analyzed.@*Results@#All the 46 patients with HFRS were residens in Shenzhen, with a male-to-female ratio of 6.67∶1.00(40∶6), aged (40.18 ± 15.63) years old, and 38 patients (82.61%) aged 23-45 years old. There were 41 patients (89.13%) with a history of HFRS epidemiology, and there were mice in their houses or workplaces. The houses of 39 patients (84.78%) were rented, and 34 patients(87.18%) rented their houses in urban villages. There were morbidity throughout the year, and 33 patients (71.74%) were ill from January to June. In clinical classification, 44 cases (95.65%) were mild, 2 cases (4.35%) were medium, and there were no severe or critical cases. The clinical manifestations were that all patients were hospitalized due to fever mainly with hyperthermia. Thirty-nine patients (84.78%) were presented with systemic aches, headaches, low back pain and eyelid pain, and 28 patients (60.87%) had skin and mucous membrane hyperemia flushing. Clinical stages showed that all patients had pyretogenesis stage and polyuria stage, including pyretogenesis stage [(7.34 ± 6.82) d], polyuria stage [(9.94 ± 5.77) d], only 4.35% (2/46) patients with hypotension shock stage, all patients did not have oliguric stage. On the next day of admission, the number of white blood cells in 46 patients was (8.17 ± 3.19) × 109/L, and 38 cases (82.61%) in the normal range; platelet was (61.92 ± 32.53) × 109/L, and 42 cases (91.30%) were decreased; the procalcitonin was (1.62 ± 0.38) ng/ml, and 41 cases (89.13%) were increased; C-reactive protein was (74.33 ± 30.48) mg/L, and 46 patients (100.00%) were elevated; creatinine was (176.25 ± 55.15) μmol/L, and 19 cases (41.30%) were increased. Abnormal liver function was manifested by increased enzymology, alanine aminotransferase was (137.58 ± 46.76) U/L, and aspartate aminotransferase was (129.82 ± 40.29) U/L. All patients were positive for Hantavirus IgM. B-ultrasound results showed that in 58.70% (27/46) patients, both kidneys were plump and the parenchymal echo was enhanced. Liver injury occurred in 39 patients (84.78%) and sinus bradycardia in 2 patients (4.35%). All the 46 patients were clinically cured.@*Conclusion@#The epidemiological characteristics of patients with HFRS in Shenzhen are typical, the clinical manifestations are mild, and the curative effect and prognosis are good.

3.
Chinese Journal of Endemiology ; (12): 739-742, 2019.
Artigo em Chinês | WPRIM | ID: wpr-790918

RESUMO

Objective To analyze the clinical features of patients with acute stage brucellosis in Shenzhen,and provide a scientific basis for prevention and control of brucellosis in immigrant city.Methods A retrospective analysis was conducted to collect clinical data of patients with brucellosis admitted to the Department of Infectious Diseases,Shenzhen People's Hospital from May 2013 to May 2018.The patient's epidemiology manifestations,pathogen and laboratory examination results,diagnosis and treatment outcomes and prognosis were analyzed.Results Among the 39 patients with brucellosis,males were predominant,with a male to female ratio of 1.4 ∶ 1.0 (23 ∶ 16),an age of (44.91 ± 17.18) years and 24 cases were non-Guangdong natives.There were 23 cases with epidemiological history,including 14 cases with mutton,sheep viscera and goat milk history;the disease occurred throughout the year,mainly from February to July,a total of 26 cases.The clinical manifestations of the patients were mainly fever,sweating,fatigue,joint and muscle pain,weight loss,and liver or spleen or lymph nodes swelling.The blood culture was identified as 38 cases of Brucella melitensis and 1 case of Brucella suis.All strains were sensitive to common antibiotics in vitro.All cases were diagnosed as acute stage of brucellosis,2 cases with orchitis,1 case with brucellosis meningoencephalitis,3 cases with spondylitis,and 3 cases with misdiagnosis.Thirty-nine patients were cured according to the "Brucellosis Diagnosis and Treatment Guidelines (Trial)" and were followed up for 1 year.Conclusions Patients with brucellosis in Shenzhen are mainly infected with Brucella melitensis;fever,sweating,joint and muscle pain are the main clinical symptoms;the patient's efficacy and prognosis are better after treatment;for the occurrence of occasional misdiagnosis,it is recommended that in immigrant cities,medical staff should strengthen their understanding of brucellosis.

4.
Basic & Clinical Medicine ; (12): 1251-1256, 2017.
Artigo em Chinês | WPRIM | ID: wpr-609279

RESUMO

Objective To investigate the antitumor effects of IL-18 gene transfected T cells on pancreatic cancer cell SW-1990.Methods Construction of IL-18 contained recombinant lentivirus using PCR method and packaged at HEK293T cell, then transfected the human T cells and evaluated the antitumor effects when cocultured with SW-1990.Results The IL-18 gene contained recombinant lentivirus was successfully constructed and packaged, and transfected the T cells, the LDH secretion and IL-2 and IFN-γ content all increased significantly (P<0.01) when cocultured with SW-1990 cell.Conclusions T cells transfected with IL-18 possessed more potent antitumor effects to pancreatic cancer cell SW-1990 as compared to the regular T cells.

5.
Chinese Journal of Hepatobiliary Surgery ; (12): 694-699, 2017.
Artigo em Chinês | WPRIM | ID: wpr-667435

RESUMO

Objective To explore the therapeutic effects of soluble cytokines secreted by mesenchymal stem cells (MSCs) on acute liver failure (ALF).Methods MSCs isolated from Sprague-Dawley rats were determined by FACS analysis.Conditioned medium derived from MSCs (MSCs-CM) was collected and analyzed by a cytokine microarray.SD rats were divided into 3 groups:(1) ALF + dulbecco's modified eagle medium (DMEM) group:1 ml DMEM was injected into SD rats after D-Gal administration;(2) ALF + MSCs group:1 ml MSCs (1 × 106) was injected into SD rats after D-Gal administration;(3) ALF + MSCs-CM group:1 ml MSCs-CM was injected into SD rats after D-Gal administration.Biochemical indicators,survival rate,histology and inflammatory factors were studied.Exogenous recombinant rat IL-10,antirat IL-10 antibody and AG490 (STAT3 signaling pathway inhibitor) were administrated to explore the therapeutic mechanism of MSCs-CM.Results The respective serum biochemical indexes of ALF + DMEM group,ALF + MSCs group,and ALF + MSCs-CM group were:ALT (1 709.8 ± 372.1,865.5 ± 52.8,964.7 ± 414.6 U/L),AST (4234.0 ± 807.3,2440.8 ± 511.9,2739.8 ± 587.3 U/L),andTBil (79.3 ± 10.9,43.8 ± 7.0,61.2 ± 6.7 μg/L).The survival rates of the three groups were 10.0%,80.0%,and 70.0%,respectively.The levels of inflammatory factors in each group were IFN-γ (69.8 ± 4.7,46.4 ± 4.3,54.6 ± 2.4pg/ml),IL-1β (58.5 ± 7.6,40.5 ± 6.9,44.1 ± 6.0pg/ml),IL-6 (71.9 ± 16.1,38.4 ± 7.7,45.3 ± 9.0),and IL-10 (38.3 ± 6.0,75.4 ± 11.1,59.6 ± 11.9 pg/ml).Protein microarray results suggested that MSCs-CM expresses a variety of inflammatory-related cytokines,with IL-10 levels being most pronounced.IL-10 (ALT 1 126.9 ± 419.3 U/L,AST2370.8 ± 561.2 U/L) alone significantly reduced transaminase levels compared with ALF group (ALT 1 709.8 ± 372.1 U/L,AST 4234.0 ± 807.3 U/L),while anti-IL-10 antibody (ALT 1 568.5 ± 325.4 U/L,AST4043.7 ± 819.0 U/L) neutralized the therapeutic effect of MSCs-CM (ALT 964.7 ± 414.6 U/L,AST 2 739.8 ± 587.3 U/L).IL-10 could significantly increase the level of pSTAT3 in ALF rats (0.93 ± 0.03 vs 0.68 ± 0.01),while STAT3 inhibitor AG490 (0.84 ± 0.04) could decrease the expression of pSTAT3 and reverse the therapeutic effect of IL-10.Conclusion The factors released by MSCs,especially IL-10,have the potential therapeutic effect on ALF,and STAT3 signaling pathway may mediate the anti-inflammation effects of IL-10.

6.
Acta Laboratorium Animalis Scientia Sinica ; (6): 249-255, 2015.
Artigo em Chinês | WPRIM | ID: wpr-467287

RESUMO

Objective To explore the objectivity and scientificity of fecal sampling , and to provide reference for investigating the relationship between intestinal microbes and diseases . Methods Terminal restriction fragment length polymorphism, degeneration gradient gel electrophoresis and real time fluorescent quantitative PCR techniques were applied to differentially analyze the bacterial community composition and abundance of intestinal contents and feces taken from dif -ferent sites of BALB/c mouse intestine .Results The predominant T-RFLP fragments ( T-RFs) in feces in the rectum and colon were 244 bp, 255 bp and 449 bp, however , those in feces of the small intestine including duodenum , jejunum and il-eum were 60 bp, 73 bp, 261 bp, 268 bp and 272 bp, and with a larger variation of the bacterial community composition in various parts of the small intestine .The bacterial abundance in the contents of duodenum and jejunum were 6.9 log ( cop-ies)/g and 8.3 log (copies)/g, fewer than in the other parts of the intestine , while the bacterial abundance in the feces was as high as 11.8 log (copies)/g, being about 2 times higher than that in the duodenum and jejunum (P0.05).Conclusions The inter-mouse variations of bacterial communi-ty composition in the large intestine contents are small .The bacterial composition and abundance are similar suggest that studies on the relationship between large intestine especially colorectal microbiota and diseases may be conducted via fecal sampling.

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