1.Influence of the timing of microsurgical clipping on the prognosis of patients with poor-grade aneurysmal subarachnoid hemorrhage
Bingwei SONG ; Yong ZHEN ; Liang HE ; Linhai SHEN ; Nan ZHANG
Chinese Journal of Cerebrovascular Diseases 2015;(7):352-355,379
Objective To investigate the influence of different timing of surgery on patients with poor-grade intracranial aneurysm. Methods The clinical data of 86 patients with aneurysmal subarachnoid hemorrhage (Hunt-Hess gradeⅣ toⅤ)were analyzed retrospectively. The patients were divided into an ultra-early treatment group (the operative time within 24 h after onset;n=40),an early treatment group, (24 to 72 h after onset;n=27),and middle and late treatment group (>72 h after onset;n=19)according to the different timing of surgery. The prognosis of patients at 6 months after procedure was evaluated with the modified Rankin Scale (mRS)scores. The differences of the rate of good prognosis (mRS 0 to 2)and mortality in patients of the 3 groups were compared. Results (1 )The ratios of good prognosis in the ultra-early treatment group,early treatment group,and middle and late treatment group were 55. 0%(n=22),33. 3%(n=9),and 21. 1%(n=4),respectively. There were significant differences (P<0. 05). The mortality rate of the ultra-early treatment group (7. 5%)was lower than that of the early treatment group (25. 9%) or middle and late treatment group (42. 1%). There were significant differences (P<0. 05). (2)There were significant differences in the rate of good prognosis in different timing of surgery in patients with gradeⅣ(P<0. 05);there was no significant difference in the rate of good prognosis in patients with grade Ⅴ(P>0. 05). The mortality ratios in patients of the 3 groups were 2/18,4/11,and 6/11,respectively. There were significant differences (P<0. 05). Conclusion Ultra-early operation may benefit part of the patients with poor-grade aneurysm,particularly in patients with gradeⅣ. As for the patients with grade Ⅴ, ultra-early operation may help to reduce short-term mortality rate,however,the rate of vegetative state is high.
3.Advance in studies on anti-cancer activity and mechanism of flavonoids.
Nan YANG ; Xiao-bin JIA ; Zhen-hai ZHANG ; E SUN ; Hong-mei YAN
China Journal of Chinese Materia Medica 2015;40(3):373-381
Flavonoids are natural products that are ubiquitous in the natural world, with wide physiological activities and low toxic and side effects. In recent years, their anti-tumor effect has caused widespread concern and studies. According to the findings, flavonoids have prominent effects in preventing and treating lung cancer, breast cancer, colon cancer, prostate cancer, liver cancer, leukemia, ovarian cancer, gastric cancer and so on. Their anti-tumor mechanisms mainly include anti-oxidation, anti-free radical, induction of apoptosis of cancer cells, impact on cell cycle, immune regulation, inhibition of tumor angiogenesis, inhibition of COX-2, inhibition of telomerase activity and so on. This article focuses on the advance in domestic and foreign studies on anti-cancer activity and mechanism of flavonoids, in order to provide theoretical basis and research ideas for the further development and clinical application of flavonoids.
Animals
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Antineoplastic Agents
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pharmacology
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Antioxidants
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pharmacology
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Apoptosis
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drug effects
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Cell Cycle Checkpoints
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drug effects
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Cyclooxygenase 2 Inhibitors
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pharmacology
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Flavonoids
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pharmacology
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Humans
4.The clinical analysis of the synchronous multiple primary esophageal carcinoma
Tao YU ; Jianye LI ; Jian JIANG ; Yunfei ZHANG ; Fei LI ; Zhen YU ; Nan KE
Chinese Journal of Thoracic and Cardiovascular Surgery 2011;27(10):604-606
Objective To investigate the clinical characteristics,the diagnosis and therapy of synchronous multiple primary esophageal carcinoma.Methods Thirty-two cases of synchronous multiple primary esophageal carcinoma were collected from January 1980 to December 2010 and their clinic data were retrospectively analysised.Results In the whole group,there were totally 66 lesions in 30 cases of double primary lesion and 2 cases of three primary lesion.The length of the lesions were 1 cm to 6.5 cm,and there were 22 lesions in cervical esophagus,10 in upper thoracic esophagus,19 in midthoracic esophagus and 15 in lower thoracic esophagus.Within the 66 lesions,65 lesions were squamous cell carcinoma and 1 was adenocarcinoma.The mucosa between the lesions were normal,with a distance of 4 cm to 9.5 cm,average 7.1 cm.Thirty-two patients with synchronous multiple primary esophageal carcinoma received surgery.Among 32 cases,26 of them were given definite diagnosis before operation.Four of them had exploratory operation,one patient underwent palliative resection,27 patients underwent radical resection.Two cases of the pathologic results of esophageal stump showed carcinoma after operation.The complications occurred in 8 patients.Twenty-eight cases were followed up after operation,the 1,3 and 5-survival rate were 76.9%,43.3 and 14.8%,respectively.Conclusion General pre-operation examination can significant helpful for the definite diagnosis of synchronous multiple primary esophageal carcinoma and surgical treatment is better choice for this disease.
5.Study on absorbing volatile oil with mesoporous carbon.
Hong-mei YAN ; Xiao-bin JIA ; Zhen-hai ZHANG ; E SUN ; Yang NAN
China Journal of Chinese Materia Medica 2014;39(22):4340-4344
Clove oil and turmeric oil were absorbed by mesoporous carbon. The absorption ratio of mesoporous carbon to volatile oil was optimized with the eugenol yield and curcumol yield as criteria Curing powder was characterized by scanning electron microscopy (SEM) and differential scanning calorietry (DSC). The effects of mesoporous carbon on dissolution in vitro and thermal stability of active components were studied. They reached high adsorption rate when the absorption ratio of mesoporous carbon to volatile oil was 1:1. When volatile oil was absorbed, dissolution rate of active components had a little improvement and their thermal stability improved after volatile oil was absorbed by the loss rate decreasing more than 50%. Absorbing herbal volatile oil with mesoporous carbon deserves further studying.
Adsorption
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Carbon
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chemistry
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Drug Stability
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Microscopy, Electron, Scanning
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methods
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Oils, Volatile
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chemistry
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Sesquiterpenes
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chemistry
6.Study on the Distribution of Constitutions of Chinese Medicine in Patients with Osteonecrosis of Femoral Head.
Tong YU ; Li-min XIE ; Zhen-nan ZHANG ; Xun KE ; Yang LIU
Chinese Journal of Integrated Traditional and Western Medicine 2016;36(6):659-662
OBJECTIVETo observe the distribution of constitution types of Chinese medicine (CM) in patients with osteonecrosis of femoral head (ONFH).
METHODSTotally 130 ONFH patients were recruited. Constitution types of CM were identified in all patients. Distribution features of constitution types of CM in ONFH patients were observed. The differences of distribution in gender, age, single or bilateral hips, course of disease, staging, cause, and region were also analyzed.
RESULTSSeventy patients were of complicated constitutions, while 60 patients were of single constitution. Among the 60 single constitution cases, yang-deficiency constitution [18 (13.9%)], damp-heat constitution [10 (7.7%)], blood-stasis constitution [7 (5.4%)], and qi-deficiency constitution [7 (5.4%)] were mainly distributed. Of the complicated constitutions, yang-deficiency dominated constitution occupied the top ratio [30 (23.1%)], followed by blood-stasis dominated constitution [15 (11.5%)], damp-heat dominated constitution [9 (6.9%)]. By putting them together, yang-deficiency constitution occupied the top constitution of CM [48 (36.9%)], followed by blood-stasis constitution [ 22 (16.9%)] and damp-heat constitution [19 (14.6%)]. The aforesaid three constitutions accounted for 68.5% of the total. There were no statistical distribution differences in gender, age, single or bilateral hips, course of disease, staging, or cause.
CONCLUSIONYang-deficiency constitution, damp-heat constitution, and blood-stasis constitution were liable constitutions of CM in ONFH patients.
Femur ; pathology ; Humans ; Medicine, Chinese Traditional ; Osteonecrosis ; complications ; drug therapy ; Yang Deficiency
7.Effects of Guhong Injection on Motor Dysfunction in Cerebral Ischemia-reperfusion Rats
Rui ZHANG ; Siyuan FAN ; Zhen LIANG ; Chao JI ; Nan YANG ; Yanyong LIU ; Liying CUI ; Pingping ZUO
Chinese Journal of Rehabilitation Theory and Practice 2015;(1):12-16
Objective To evaluate the effects of Guhong Injection on motor dysfunction in rats after cerebral ischemia- reperfusion. Methods The middle cerebral arteries were occluded for 2 hours and re-perfused in Sprague-Dawley rats. They were divided in sham group, model group, Aceglutamide group, Safflowere group and Guhong group, which were intravenously administrated with normal saline, Aceglutamide, Safflower or Guhong 24 hours after operation, and continued for 14 days. They were tested with the beam-walking test after treatment. Tyrosine hydroxylase (TH) immunohistochemical staining was used to investigate the viability of neurons in the substantia nigra. Results The model group spent more time in the beam-walking test than that in the sham group (P<0.01), and it decreased in the Safflower group and Guhong group compared with that in the model group (P<0.05). The TH-positive neurons decreased in the model rat compared with that in the sham group (P<0.001), and increased in both Safflower and Guhong groups compared with that in the model group (P<0.01). Conclusion Guhong administration could significantly improve the motor dysfunction in rats after cerebral ischemia- reperfusion, which might be related to provent the neurons from injury in the substantia nigra.
8.RESEARCH OF HUMORAL IMMUNITY AGAINST CANDIDA ALBICANS INFECTION
Ying-Yuan FU ; Bing MO ; Xiao-Ping ZENG ; Nan-Zhen KUANG ; Zhi ZHANG ;
Microbiology 1992;0(05):-
To study the role of anti- C. albicans IgY and serum in protection of C. albicans infection of several animal models. To develop three animal models of C. albicans infection: a burned rat model of C. albicans infection, a mouse model of vaginal candiasis and a immunosuppression mouse model of C. albicans infection. And we compared the contribution of anti- C. albicans IgY and serum to the clearance of the C. albicans in three animal models of C. albicans infection. Anti- C. albicans IgY can protect against C. albicans infection in a burned rat model of C. albicans infection and a mouse model of vaginal candidiasis. The serum can effectively protect the mice from disseminated candidiasis in a immunosuppression mouse model. Humoral immunity component involving anti- C. albicans IgY and serum protect against C. albicans infection in a burned rat model of C. albicans infection ,a mouse model of vaginal candidiasis and a immunosuppression mouse model of C. albicans infection.
9.Progress of DNA-based Methods for Species Identification.
Zhen HU ; Su-hua ZHANG ; Zheng WANG ; Ying-nan BIAN ; Cheng-tao LI
Journal of Forensic Medicine 2015;31(2):129-131
Species identification of biological samples is widely used in such fields as forensic science and food industry. A variety of accurate and reliable methods have been developed in recent years. The current review shows common target genes and screening criteria suitable for species identification, and described various DNA-based molecular biology methods about species identification. Additionally, it discusses the future development of species identification combined with real-time PCR and sequencing technologies.
Animals
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DNA/genetics*
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Genetic Techniques/trends*
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Humans
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Oligonucleotide Array Sequence Analysis
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Polymerase Chain Reaction
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Real-Time Polymerase Chain Reaction
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Sequence Analysis, DNA/trends*
10.Effects of Guhong Injection on Expression of Vascular Endothelial Growth Factor in Cortex after Cerebral Ischemia-reperfusion in Rats
Rui ZHANG ; Zhen LIANG ; Nan YANG ; Chao JI ; Yan-yong LIU ; Ping-ping ZUO
Chinese Journal of Rehabilitation Theory and Practice 2015;21(7):770-772
Objective To study the effects of Guhong injection on the expression of vascular endothelial growth factor (VEGF) in the cortex 14 days after cerebral ischemia-reperfusion. Methods 30 male Sprague-Dawley rats were divided into sham group (n=6), ischemia group (n=6), aceglutamide injection group (n=6), Honghua injection group (n=6) and Guhong injection group (n=6). The middle cerebral arteries of all the rats were occluded for 2 hours and reperfusion, except the sham group. Drugs were administered once a day 24 hours after reperfusion. The expression of VEGF in cortex was detected with enzyme-linked immunosorbent assay (ELISA) 14 days after reperfusion. Results The expression of VEGF decreased in the ischemia group compared with the sham group (P<0.001), and it increased both in the aceglutamide and Guhong injection groups compared with the ischemia group (P<0.05). Conclusion Guhong injection can significantly increase the expression of VEGF in the cortex 14 days after ischemia-reperfusion, which may be one of the ways for neuro-protection.