1.Relationship of serum high sensitivity C-reactive protein with microvascular complications in type 2 diabetes
Yuanchi HUI ; Hongding XIANG ; Kai FENG
Chinese Journal of Practical Internal Medicine 2006;0(15):-
Objective To evaluate whether high sensitivity C-reactive protein is associated with microvascular complications in patients with type 2 diabetes mellitus.Methods A total of 321 patients with type 2 diabetes mellitus were recruited.According to the results of 8 h urine albumin excretion rate,ophthalmoscope examination and nerve conduction velocity test,nephropathy,retinopathy and neuropathy were defined respectively.To evaluate differences of the serum hsCRP levels of those with and without nephropathy,retinopathy and neuropathy.Results Only diabetic nephropathy correlated with the serum hsCRP level.With increment of urine albumin excretion rate,hsCRP level was increased.Pearson correlation analysis indicated that hsCRP correlated positively with urine albumin excretion rate(r=0.448,P=0.002),triglyceride(r=0.385,P=0.008),and body mass index(r=0.261,P=0.004).Stepwise linear regression showed that hsCRP and UAER,TG and BMI existed linear correlation.Conclusion hsCRP is associated with diabetic nephropathy and its level is correlated with the degree of diabetic nephropathy.
2.Familial hemophagocytic lymphohistiocytosis with the MUNC13-4 mutation after unrelated hematopoietic stem cell transplantation: a case report.
Xiang-feng TANG ; Zuo LUAN ; Nan-hai WU ; Bo ZHANG ; Kai WANG
Chinese Journal of Pediatrics 2013;51(12):944-945
Child
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Graft vs Host Disease
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prevention & control
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Hematopoietic Stem Cell Transplantation
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methods
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Humans
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Immunosuppressive Agents
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therapeutic use
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Lymphohistiocytosis, Hemophagocytic
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genetics
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therapy
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Male
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Membrane Proteins
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genetics
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Mutation
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Prognosis
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Transplantation Conditioning
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methods
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Treatment Outcome
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Unrelated Donors
3.Overview of reported transcutaneous electrical acupoint stimulation effects on pain mediators
Kai-Feng DENG ; Ri-Lan CHEN ; Zi-Long LIAO ; Guo-Xiang WANG ; Ying ZHU
Journal of Acupuncture and Tuina Science 2021;19(1):78-82
Literatures on pain intervention with transcutaneous electrical acupoint stimulation (TEAS) were collected by searching the databases both in Chinese and English, and summarized to understand the research progress of TEAS effects on pain mediators in recent years. This will provide a more objective and scientific theoretical basis for clinical practice of TEAS to treat pain syndrome, thus promoting the clinical application of TEAS. Our literature analysis indicated that TEAS effectively regulated the release levels of various pain factors such as prostaglandin, 5-hydroxytryptamine, interleukins, substance P and tumor necrosis factor-α to achieve the analgesic effects by affecting the conduction pathways. TEAS is a safe, non-invasive and effective treatment for pain syndrome. However, further research is necessary due to the lack of rigor of the current clinical trial design.
4.FTIR fingerprint spectrograms of traditional Chinese medicine Marsdenia tenacissima.
Chao LI ; Sheng-Chao YANG ; Qiao-Sheng GUO ; Kai-Yan ZHENG ; Ping-Li WANG ; Xiang-Zeng XU ; Xue-Feng XIAO
China Journal of Chinese Materia Medica 2014;39(17):3311-3315
In this paper, Fourier transform infrared spectroscopy fingerprint analysis of Marsdenia tenacissima samples was used to develop a reliable method of tracing the geographical origins. Forty-eight samples from four provinces of China were analyzed by FTIR. We analyzed and characterized the fingerprints in both the full spectrum peaks and characteristic peaks, then the principal component analysis and the cluster analysis were carried out. The results of fingerprint analysis, correlation analysis, principal component analysis and cluster analysis can identify the geographic origins correctly, which verified and supplemented each other; the identification results and the actual location showed a high degree of consistency, namely the lower the space distance, the greater the similarity of different samples. These results revealed the obvious superiority and practical value in comparison to the more tedious and time-consuming wet chemistry method normally used. Using appropriate metrology methods can trace the geographical source correctly. The M. tenacissima materials from the region of Maguan should be considered as genuine medicinal materials taking into account the good quality.
China
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Cluster Analysis
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Drugs, Chinese Herbal
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analysis
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classification
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standards
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Geography
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Marsdenia
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chemistry
;
classification
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Medicine, Chinese Traditional
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Principal Component Analysis
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Quality Control
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Reproducibility of Results
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Spectroscopy, Fourier Transform Infrared
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methods
5.Optimization for ISSR-PCR system of traditional Chinese medicine Lysimachia christinae by orthogonal design.
Feng-Ming REN ; Kai-Zhi HU ; Yan-Qin LIU ; Yan-Xiang JIAO ; Jie LIU ; Min LUO ; Jian QUAN
China Journal of Chinese Materia Medica 2014;39(12):2233-2238
In order to establish the stable andreliable ISSR-PCR System of Lysimachia christinae, L16 (4(5)) orthogonal design, which based on 7 levels of single factor experiment, were used in this study. The variance analysis was carried out by SPSS 19.0, and 5 main factors affecting the reaction system were optimized in 4 levels. The best annealing temperature was selected by the optimized reaction system. And the stability and reliability of this system was tested by 23 samples from different origins. The results showed that the five factors (DNA template, primer, dNTP, Mg2+ and Taq enzyme) were the most impacts on the amplified results of ISSR-PCR of L. christinae. The order of the influence was: primer > Taq enzyme > DNA template > Mg2+ > dNTP. The optimal system, which was determined by multiple comparison on different levels of each factor, was total volume of 25 microL, including DNA template 60 ng, primer 0.3 micromol x L(-1), dNTP 0.2 mmol x L(-1), Mg2+ 1.8 mmol x L(-1), Taq enzyme 1.25 U. The optimal system was stable and reliable tested by 23 samples from different origins. This study lays the foundation for genetic diversity analysis, fine varieties selection and molecular identification of L. christinae, and provides reference for optimization on ISSR-PCR system of other speciesin future.
DNA Primers
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genetics
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DNA, Plant
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genetics
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Drugs, Chinese Herbal
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chemistry
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classification
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Microsatellite Repeats
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Polymerase Chain Reaction
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methods
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Primulaceae
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classification
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genetics
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Quality Control
6.Tuberculous abdominal aortic aneurysm with alimentary tract hemorrhage: a case report with medico-legal implications.
Dan XIE ; Kai XIE ; Pei LI ; Yu-Long PENG ; Xiang YANG ; Li-Ying YANG ; Ji-Feng CAI
Journal of Forensic Medicine 2014;30(2):151-153
An autopsy case of sudden death induced by alimentary tract hemorrhage was presented, which was caused by the unexpected rupture of clinically unrecognized tuberculous abdominal aortic aneurysm (TAAA). The initial diagnosis was made of the syndrome of coronary heart disease and hypertensive disease. The detailed autopsy showed that the alimentary tract hemorrhage was caused by a sudden rupture of the mass after posture changing was ascertained as the cause of death. The diagnosis of TAAA was determined by the autopsy findings. Analysis for the medical dispute of TAAA was described, and the difficulty of the diagnosis and medico-legal implications were also discussed.
Aneurysm, Ruptured/diagnosis*
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Aortic Aneurysm, Abdominal/diagnosis*
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Autopsy
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Death, Sudden
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Hemorrhage/etiology*
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Humans
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Tuberculosis/diagnosis*
7.Lymphocyte-variant hypereosinophilia: one case report.
Jun Qing XU ; Ri Ming LIU ; Xiang Yan FENG ; Kai Min LI ; Yan WANG ; Li WANG ; Yuan Feng ZHANG ; Xiao Qian LIU ; Jun Jie MA ; Xiao Xia CHU
Chinese Journal of Hematology 2018;39(7):592-592
8.Applied anatomy of the inguinal region and laparoscopic inguinal hernia repair.
Jin-feng XIAO ; Ke HE ; Guo-an XIANG ; Han-ning WANG ; Kai-yun CHEN
Journal of Southern Medical University 2010;30(12):2715-2717
OBJECTIVETo investigate the regional anatomy of the inguinal region and abdominal ring and provide accurate anatomic basis for the clinical application of total peritoneum intraperitoneal onlay mesh (TPIPOM).
METHODSThe structures of the inguinal region and those surrounding the abdominal ring of 18 cadavers (11 males and 7 females, 36 sides) were dissected to measure the lengths from the nerves and vessels to the corresponding anatomical landmarks.
RESULTSThe average distances from the point where the iliohypogastric nerve (IHN) ran through the obliquus internus abdominis to anterosuperior iliac spine and from the point where the IHN ran through the aponeurosis of the external oblique muscle of the abdomen to the superior margin of the symphysis pubica were 4.10±0.89 cm and 5.02±1.46 cm, respectively. The average distances from the point where the ilioinguinal nerve (IGN) ran through the obliquus internus abdominis to the anterosuperior iliac spine and from the point where IGN ran through the aponeurosis of the external oblique muscle of the abdomen to the superior surface of the tuberculum pubicum were 3.09±0.81 cm and 3.84±0.89 cm, respectively. We established the regional anatomy model of the structures surrounding the abdominal ring.
CONCLUSIONThe quantitative measurement of important structures of the inguinal region and establishment of the regional anatomy model of the surrounding structures of the abdominal ring can provide a valuable reference to reduce intraoperative and postoperative complications of TPIPOM.
Female ; Groin ; anatomy & histology ; Hernia, Inguinal ; surgery ; Herniorrhaphy ; methods ; Humans ; Laparoscopy ; Male
9.BjCHI1 from Brassica juncea displays both chitinase and agglutination activity.
Shi-Wen OUYANG ; Kai-Jun ZHAO ; Lan-Xiang FENG ; Mee-Len CHYE ; Sathishkvmar RAM
Chinese Journal of Biotechnology 2002;18(5):572-577
The proteins encoded by the Brassica juncea chitinase gene BjCHI1 and its derived genes BjCHI2 and BjCHI3 were expressed by Multi-copy Pichia expression system. The chitinase activity of FPLC purified BjCHI1, BjCHI2 and BjCHI3 were tested and the results showed that all the three proteins degraded both CM-chitin-RBV and colloidal chitin. The Km values of BjCHI1, BjCHI2 and BjCHI3 for CM-chitin-RBV were estimated as 0.799 mg/mL, 0.544 mg/mL and 0.793 mg/mL, respectively. When the colloidal chitin was used as substrate, the Km values were 0.281 mg/mL, 0.388 mg/mL and 1.643 mg/mL, respectively, indicating chitin-binding domain can increase affinity of chitinase to insoluble substrate. In the agglutination activity assay, only BjCHI1 shows activity when the protein concentration was more than 33 micrograms/mL, while BjCHI2 and BjCHI3 without agglutination activity even when the concentration was increased as high as 800 micrograms/mL. This means that the two chitin-binding domains in BjCHI1 are essential for agglutination and BjCHI1 is the first protein which shows both chitinase and agglutination activity identified so far in plants.
Agglutination
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Agglutinins
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genetics
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Chitinases
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genetics
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isolation & purification
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physiology
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Mustard Plant
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chemistry
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Pichia
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genetics
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Plant Proteins
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genetics
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Plasmids
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Polymerase Chain Reaction
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Recombinant Proteins
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biosynthesis
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isolation & purification
10.Anther culture generated stem borer-resistance DH lines of Minghui 81(Oryza sativa L. subsp. indica) expressing modified cry1Ac gene.
Qian-Chun ZENG ; Qian WU ; De-Jiang FENG ; Kai-Da ZHOU ; Xiang LIU ; Zhen ZHU
Chinese Journal of Biotechnology 2002;18(4):442-446
2600 Anthers from T0 modified cry1 Ac-transgenic rice lines of Minghui 81, an elite restoring line of commercial CMS indica hybrid rice, were cultured on SK3 media. 83 green plantlets were recovered, 43 double haploid (DH) and 40 haploid among them. Results of PCR analyzes indicated that 55 plants of 83 were harbored the cry1Ac gene, and the ratio of cry1Ac-positive against cry1Ac-negative was 2:1 (55/28). 36 putative transgenic DH plants were further confirmed by Southern blot. ELISA detection showed that Cry1Ac level in different transgenic rice plants of the same cry1Ac-DH clone was almost equal and the highest one amount to 0.25% of the total soluble protein. Pest insect-resistant bioassay at field trials demonstrated that some of the homozygous cry1Ac-transgenic rice plants not only showed high-level resistance against striped stem borer (Chilo suppressalis) but also retained elite agronomy characters. These results demonstrated that rice anther culture has a great value in rice molecular breeding.
Animals
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Bacillus thuringiensis
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genetics
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Bacterial Proteins
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genetics
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metabolism
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Bacterial Toxins
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Blotting, Southern
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Culture Techniques
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DNA, Plant
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genetics
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Endotoxins
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genetics
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metabolism
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Enzyme-Linked Immunosorbent Assay
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Gene Expression
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Hemolysin Proteins
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Immunity, Innate
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genetics
;
Moths
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growth & development
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Oryza
;
genetics
;
growth & development
;
parasitology
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Plant Structures
;
genetics
;
growth & development
;
parasitology
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Plants, Genetically Modified