1.Diagnosis and treatment of primary hyperparathyroidism
Nan BAI ; Aimin CU ; Ziqin ZHANG ; Jingming ZHAO ; Xihou LIN
Chinese Journal of General Surgery 2010;25(4):281-283
Objective To summarize the experience on diagnosis and treatment of primary hyperparathyroidism(PHPT).Methods Clinical data of 91 PHPT patients treated in Beijing Jishuitan Hospital from November 1992 to December 2008 were analyzed retrospectively.Results Among 91 PHPT cases,88 were diagnosed as parathyroid adenoma(96.7%),3 were diagnosed as parathyroid carcinoma (3.3%).Serum calcium and PTH levels increased in all cases.Main clinical manifestations were osteodynia and kidney stones.The accuracy rate of preoperative B-ultrasound.CT and ECT~(99m)Tc-MIBI on location was 83.5%(76/91),60.9%(14/23)and 98.6%(69/70)respectively.Parathyroidectomy was performed in all but one cases,in which parathyroid carcinoma was managed by ipsilateral hemithyroidectomy and modified neck dissection.The cure rate of primary operation was 97.8%(89/91).Ninety cases were followed-up from 8 months to 14 years postoperatively,87 cases with parathyroid adenoma achieved complete remission,2 with parathyroid carcinoma suffered from tumor recurrence and 1 died.Conclusion Patients with chronic bone diseases,repeatedly recurrent nephrolithiasis,peptic ulcer disease should be a suspect of PHPT.The routine examinations of serum calcium and phosphorus are to be conducted.UItrasonography and ECT~(99m)Tc-MIBI should be considered as the methods of first choice for preoperative localization.
2.THE STUDY OF MICROSATELLITES ALTERATION IN DIAGNOSES OF BLADDER CANCER
Jun ZHAO ; Dalin HE ; Lin YANG ; Hui HE ; Xunyi NAN
Journal of Pharmaceutical Analysis 2006;18(1):73-77
Objective To investigate the possibility of microsatellite alteration (MA) in diagnosis of bladder cancer of Chinese people, and find the better panel which will be used in clinic. Methods A total of 6 and 10microsatellite markers were chosen, PCR-SSLP silver staining assay was performed in 31 and 32 bladder cancers tissue,exfoliate cells in urine and 10, 15 non-bladder cancers exfoliate cells in urine, respectively. Results MA (+) was found in 28 out of 31, 30 out of 32 bladder cancers, and the sensitivity was 90.3%, 93.7% respectively. The MA of urine sediment of 25 non-bladder cancers was negative, and the specificity was 100%. The cytology was carried out among 19 out of 31, 20 out of 32 bladder cancers at the same time, 2 cases ( 10.3 %) and 3 cases ( 15 % ) were found cancer positive, and the sensitivity is significantly lower than that by the analysis of MA in exfoliated cells. Conclusion MA was not associated with grade and stage of the bladder cancer. MA assay is a sensitive and effective method for the early detection of bladder cancer and post-operation surveillance.
3.Observations on the Efficacy of Nazi Method of Midnight-midday Ebb Flow plus Warm Needling Moxibustion in Treating Transient Ischemic Attack
Liqun ZHENG ; Nan YANG ; Zhiqiang ZHANG ; Minghua ZHAO ; Xingchen LIN
Shanghai Journal of Acupuncture and Moxibustion 2015;(7):609-611
Objective To investigate the clinical efficacy of Nazi method of midnight-midday ebb flow plus warm needling moxibustion in treating transient ischemic attack (TIA). Methods Sixty patients with transient ischemic attack were randomly allocated to treatment and control groups, 30 cases each. The control group received routine medication and the treatment group, Nazi method of midnight-midday ebb flow plus warm needling moxibustion in addition. The main clinical symptoms were observed by TCD monitoring of microembolic signals in the two groups before and after treatment. The clinical therapeutic effects were compared between the two groups. Results After treatment, the positive rate of microembolus monitoring was 3.3%in the treatment group and 20.0%in the control group;there was a statistically significant difference between the two groups (P<0.05). There was a statistically significant pre-/post-treatment difference in the traditional Chinese medical syndrome score in the two groups (P<0.05). There was a statistically significant post-treatment difference in the traditional Chinese medical syndrome score between the treatment and control groups (P<0.05). The total efficacy rate was 96.7% in the treatment group and 80.0% in the control group;there was a statistically significant difference between the two groups (P<0.05). At six months after treatment, the rate of disappearance of TIA, the rate of recurrence of TIA and the rate of occurrence of cerebral infarction were 90.0%, 6.7%and 3.3%, respectively, in the treatment group and 60.0%, 20.0%and 20.0%, respectively, in the control group;there were statistically significant differences between the two groups (P<0.05). Conclusions Nazi method of midnight-midday ebb flow plus warm needling moxibustion can decrease the positive rate of microemboli and shorten transient ischemic attack to prevent cerebral infarction in patients with transient ischemic attack.
4.Studies on codon 129 genotype of PrP gene and phenotypic features of sporadic Creutzfeldt-Jakob disease in China
Jiexu ZHAO ; Shihe LIN ; Shanji NAN ; Al ET
Chinese Journal of Neurology 2001;0(01):-
Objective To investigate the relationship between polymorphism at codon 129 of prion protein gene and the phenotypic features of sporadic Creutzfeldt Jakob disease(CJD)in China Methods The prion protein genotype of 14 cases with sporadic CJD were tested and clinical data were analysed Results (1) 8 cases with definite CJD and 6 cases with probable CJD were diagnosed depending on diagnostic criteria (2) Of the 8 definite CJD cases,6 were homozygous for methionine at codon 129, 2 cases were methionine/valine at codon 129,while all the probable CJD cases were methionine homozygotes (3) There were four group symptoms at onset in 12 cases with methionive homozygous at codon 129: cognitive and mental impairment as first symptom in 8 cases,ataxia in 1 case,blurred sight in 2 cases,myoclonus in 1 case;during illness there were epilepsy in 5 cases,myoclonus in 6 cases,blurred sight in 6 cases,PSD in 7 cases The longest illness duration was 20 months,and the shortest was two and a half months (4) Ataxia was the first symptoms in 2 cases with metionine/ valine at codon 129 The illness duration was 6 and 20 months,and there was no PSD (5) Spongyform degeneration in different degree and neuronal loss were seen in the 8 cases with definite CJD,synaptic deposition of abnormal PrP was shown in 5 cases Conclusions (1)Of the 14 cases with CJD, homozygosity for methionine at condon 129 of the prion protein gene was shown in 12 cases,but there was distinct phenotypic variant (2)The frequence of methionine and valine of 129 allilic distribution for sCJD was similar to that in Japan,and different from that in Western cases There was no sCJD case with valine homozygous genotype at codon 129 in our study
5.Analysis of causes of misdiagnosis of primary hyperparathyroidism and preventive strategies
Nan BAI ; Aiming CUI ; Ziqin ZHANG ; Jingming ZHAO ; Xihou LIN
Chinese Journal of General Surgery 2000;0(11):-
Objective To analyse and explore the situation and causes of misdiagnosed primary hyperparathyroidism(PHPT),so as to develop some strategies for preventing and reducing misdiagnosis.Methods Clinical data of 94 misdiagnosed patients with PHPT treated in Beijing Jishuitan Hospital from November 1992 to April 2009 were collected and analyzed retrospectively.Results All cases were confirmed by operation and pathology.Among the 94 cases,90 cases were of parathyroid adenoma,and 4 cases of parathyroid carcinoma.The rate of misdiagnosis was 97.9%(94/96).The length of time of misdiagnosis was 2 months to 20 years;
6.Application of Amniotic Membrane in Conjunctival Sac Plasty
Nan JIANG ; Guiqiu ZHAO ; Qinglan KONG ; Jing LIN
Chinese Journal of Rehabilitation Theory and Practice 2008;14(1):82-83
Objective To observe the application of amniotic membrane in conjunctival sac plasty.Methods 24 cases with different eye diseases were performed with conjunctival sac plasty,in which 11 eyes were performed with amniotic membrane transplantation,5 eyes with symblepharon which adhered with cornea or emerged neovascularization were performed with amniotic membrane transplantation and lamellar keratoplasty,other 8 eyes were performed with amniotic membrane transplantation and conjunctival fornixe.They were followed up for 6~12 months.Results There was no inflammation observed after operation.The transplanted amniotic membrane turned transparent and the conjunctiva at sewing location crawled to amnion 10 d after operation.One month later,the neonatal conjunctiva covered transplanting region completely.Among the 24 eyes,9 eyes were healed,13 eyes were improved,and 2 were ineffective.Conclusion Amniotic membrane is a kind of effective material during conjunctival sac plasty for narrow conjunctival sac.
7.Recent researching progress of Lepidium meyenii (Maca).
Yan-yan ZHOU ; Hai-yu ZHAO ; Nan SI ; Hong-jie WANG ; Bao-lin GIAN
China Journal of Chinese Materia Medica 2015;40(23):4521-4530
Maca as one of the star products in the international health care market in recent years, had a wide range of application value and promoted to all over the world. However, the basic research of Maca was not deep, lack of systematic and clear efficacy studies. Market products hype its aphrodisiac effect, which greatly impact more systematic in-depth research and exploration. Therefore, this paper briefly summarizes advance research in recent years including the status quo of the resources, growth cultivation, phytochemical, pharmacological effect and other aspects, which can provide reference for rational development and utilization of Maca.
Animals
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Biomedical Research
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Humans
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Lepidium
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chemistry
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classification
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growth & development
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Plant Extracts
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chemistry
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metabolism
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pharmacology
8.Clinical pathological and prognostic significance of activated p-Stat3 and expressed SOCS3 in patients with gastric cancer
Haiyun CHEN ; Nan ZHANG ; Li CONG ; Lin TAO ; Jin ZHAO ; Xiuming LI ; Wei ZHANG ; Wenjie ZHANG
Chongqing Medicine 2014;(32):4316-4319,4330
Objective To investigate the levels of activated Stat3 (p‐Stat3) and the expression levels of SOCS3 as well as their clinical significance and its impact on the pathogenesis ,progression ,and prognosis in patients with gastric cancer .Methods The levels of p‐Stat3 and SOCS3 were tested in 53 cases of gastric cancer tissues (test group) and 27 cases of adjacent non cancerous tis‐sues (control group) by immunohistochemistry (IHC) .The clinical pathological and follow up data were analyzed .Results The levels of activated p Stat3 were significantly higher in gastric cancer tissues than in non cancerous tissues .The levels of SOCS3 were lower in cancer tissues than in non cancerous control tissues (P<0 .05) .p‐Stat3 showed significantly different levels among TNM stages and tumor differentiation ,and the expression levels of SOCS3 were negatively associated with cancer invasion ,lymph node metastasis and TNM stages in cancer patients (P<0 .05) .Furthermore ,a negative correlation was observed between the levels of activated p‐Stat3 and SOCS3 in gastric cancer tissues (r= -0 .492 ,P<0 .05) .Kaplan Meier survival analyses indicated that the p‐tat3 levels were negatively correlated with total survival of gastric cancer patients ,the higher the levels of p‐Stat3 was ,the lower the total survival rate would be (χ2 = -5 .05 ,P<0 .05) .On the contrary ,the levels of SOCS3 showed a positive correlation with total survival (χ2 =10 .852 ,P<0 .05) .Conclusion Increased a p‐Stat3 and decreased expression of negative Stat3 regulator SOCS3 may play important roles in the development and progression of gastric cancer ,both of which would potentially serve as prognostic mark‐ers for gastric cancer .
9.Expression and effect of nucleotide oligomerization domain-like receptors in the initial of Aspergillus fumigatus keratitis in rats
Xiaoli, QU ; Guiqiu, ZHAO ; Zhengjie, XU ; Ang, GAO ; Nan, WANG ; Ying, LIU ; Jing, LIN
Chinese Journal of Experimental Ophthalmology 2014;32(10):870-875
Background Studies have determined that nucleotide binding oligomerization domain 2 (NOD2) plays a key role in innate immune response.However,whether NOD2 participates in the nature defense of fungal keratitis is unclear.Objective This study was to investigate the expression and significance of NOD2 on cornea in the initial of Aspergillus fumigatus keratitis (AFK) in rats.Methods Seventy-two adult clean Wistar rats were randomized into the normal control group,only corneal epithelial scraped group and AFK model group,and the AFK models were established by incubating Aspergillus fumigatus to cornea after corneal epithelium was scraped.All the operations were performed in the right eyes of rats.Reverse transcription PCR (RT-PCR) was carried out to detect the expression of NOD2 mRNA in corneal epithelium 4,8,16,24 hours after operation.Twenty-four hours after operation,the expression of NOD2 protein in rat corneas was examined by immunochemistry and immnunofluorescence technology.Also,the rat corneas were obtained for regular histopathological examination.The use and care of the animals complied with Institutional Animal Care and Use Committee Guidebook by NIH.Results All the models were made successfully.RT-PCR revealed that a fewer NOD2 mRNA were expressed on cornea in the normal control group,but the expressing levels of NOD2 mRNA were increased in the only corneal epithelial scraped group and AFK model group.Compared with only corneal epithelial scraped group,the elevated values of NOD2 mRNA expression in the AFK model group were statistically significant at 4,8,16 and 24 hours after operation (t =-0.409,-0.439,-0.534,-0.618,all at P=0.000).The histopathological examination displayed that the cornel tissue had intact structure in the normal control group,and partly corneal epithelial deficiency,slight corneal swelling and fewer neutrophil granulocytes were seen in the only corneal epithelial scraped group.However,corneal ulcer,severe corneal edema and a lot of neutrophil granulocytes were exhibited in the AFK model group.Immunochemistry and immnunofluorescence staining evidenced that weaker expression of NOD2 was visualized in the corneal epithelial and endothelial layers,and obviously enhanced staining was seen in the AFK model group.The expressing levels (absorbancy) were 0.045 ± 0.005,0.050 ± 0.005 and 0.092 ± 0.006 in the normal control group,only corneal epithelial scraped group and AFK model group,respectively,showing a significant increase in the AFK model group compared with the only corneal epithelial scraped group (t =0.042,P =0.000).Conclusions Expression of NOD2 is upregulated in the corneas with AFK,suggesting that NOD2 participates the natural defense in the initial of fungal keratitis.NOD2 may play an important role in the process of anti-fungal innate immune response in cornea.
10.Identification of bufadienolides profiling in cinobufacino by HPLC-DAD-FT-ICR-MS method.
Jun-Qiu LIU ; Nan SI ; Jian YANG ; Hai-Yu ZHAO ; Bao-Lin BIAN ; Hong-Jie WANG
Acta Pharmaceutica Sinica 2014;49(2):244-248
Cinobufacino injection is a significant anti-tumor medicine for the treatment of various tumors in clinic, which was made from water extraction of the skin of Bufo bufo gargarizans. In present paper, HPLC-DAD-FT-ICR-MS method was used to identify the major bufadienolides in cinobufacino for the first time. Solid-phase extraction with dichloromethane and silica was used to enrich the total bufadienolides in cinobufacino. Based on the UV and high resolution MS/MS data, 33 bufadienolides were analyzed and characterized. Among them, eight compounds were identified by comparing with standard references unambiguously. This study elucidated the major bufadienolides in cinobufacino, which provided material foundation of cinobufacino and will be benefit for the further pharmacological research.
Amphibian Venoms
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chemistry
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Animals
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Bufanolides
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analysis
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chemistry
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Bufo bufo
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Chromatography, High Pressure Liquid
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Molecular Structure
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Spectrometry, Mass, Electrospray Ionization
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Tandem Mass Spectrometry