1. Screw fixation of pelvic fractures: The applied anatomy and clinical significance
Academic Journal of Second Military Medical University 2012;33(10):1116-1119
Objective To understand the thickness of each section of the pelvic loop and the positions of the peripheral large vessels and nerves, so as to provide evidence for the screw fixation of pelvic fractures. Methods A total of74 normal osseous specimens of the pelvis (male 40 cases, female 34 cases) were selected for the present study. Pelvic center was taken as the dot, and the thickness of the pelvic bone along the pelvis line were measured in the clockwise direction. Thirty 30 CT images of normal pelvis were used to measure the bone thickness of the pelvic loop in the same manner. Moreover, cadaver specimens were also dissected and the position lineof the peripheral largevessels and nerves of the pelvic loop were observed in the clockwise direction. Results (1) The thicknesses (mm) of the pelvic bone along the pelvis line(from 0:00 [12:00] to 6:00) were 25. 36±3. 03 (female 24. 48 ± 2. 16), 32. 59 ± 7. 21 (female 22. 88 ± 2. 13), 24. 06 ± 2. 89 (female 20. 40 ± 2. 07), 44. 12±3. 97(female 37. 55±3. 60), 27. 88±2. 36 (female 22. 68±2. 26), 13. 80±2. 14 (female 10. 22±2. 05), and 15. 04± 2.31 (female 13.53±2.22), respectively; and the results of CT measurement were 25.44±2. 95, 30. 45±7. 14, 24. 49±2. 74, 44. 35±4. 21, 27. 66±2. 12, 14. 06±1. 86 and15. 85 ± 2. 15, respectively. (2) Basedonthe clockwisescale, thepositionsof the main vessels and nerves around the pelvic loop were as follows: the positions of the femoral nerves and the femoral arteries and veins were between 4:00 and 4:30 on the left and between 7:00 and 7:30 on the right; the positions of obturator nerve vesselswere between 4:30 and 5:00 on the left and between 7:00 and 7:30on the right. Conclusion When pelvic center is taken as the dot, it is simple and practical to determine the position of each point of the pelvis and the large vessels and nerves in the clockwise direction. The thickness of each part of the pelvic loop is important to guide screw internal fixation of the pelvic fracture.
2.Micro Potentiometric Label-free Immunosensor for Glycated Hemoglobin
Chao BIAN ; Qiannan XUE ; Jizhou SUN ; Hong ZHANG ; Shanhong XIA
Chinese Journal of Analytical Chemistry 2010;38(3):332-336
A miniaturized potentiometric label-free immunosensor based on the standard complementary metal-oxide-semiconduction transistor(CMOS) process and micro fabrication technique was developed to monitoring diabetes, which could detect the concentrations of glycated hemoglobin (HbA1c) and hemoglobin. This immunosensor includes a micro field-effect transistor based sensor chip integrated with signal readout circuit and a disposable probe electrode. The micro sensor chip was designed by our lab and fabricated by Chartered Semiconductor, Singapore. The disposable probe electrode, which was integrated with sensitive electrodes array and micro reaction pool, was deposited on polyester plastic based on micro fabrication techniques. Antibody of HbA1c and hemoglobin were immobilized on the electrode based on self assemble monolayer and gold nanoparticles. The characteristics of the electrode during modification were studied by cyclic voltammetry and electrochemical impedance technique. The response characteristic of the immunosensor was detected. HbA1c from 4 to 24 mg/L and hemoglobin from 60 to 180 mg/L can be detected by this immunosensor.
3.The clinical characteristics of neonatal sepsis caused by different pathogens
Xiaoying CHEN ; Lihua QIU ; Qiannan JIANG ; Lisheng ZHANG ; Ke YUAN
Chinese Journal of Neonatology 2017;32(2):115-118
Objective To study the characteristics of neonatal sepsis caused by gram positive (G +) bacteria,gram negative (G+) bacteria and fungi.Method Clinical data of 202 neonates with sepsis hospitalized from Jan.2012 to May.2015 were studied.According to the different pathogens,202 neonates were divided into gram positive bacteria group,gram negative bacteria group and fungi group.The general information,clinical manifestation,laboratory examination and treatment outcome of the three groups were analysed with Chi square analysis,LSD,Fisher exact probability tests.Result A total of 202 cases of neonatal sepsis were recruited.The detection rate of gram positive bacteria,gram negative bacteria and fungi was 35.2% (71 cases),56.4% (114 cases) and 8.4% (17 cases),respectively.Comparing with gram negative group and fungi group,gram positive group had older gestational age (36.0 ± 3.8 w,compared with gram negative 33.0 ± 3.9 w,fungi group 31.2 ± 3.2 w,P < 0.05),larger birth weight (2 620 ± 925 g compared with gram negative group 1 999 ± 849 g,fungi group 1 595 ± 666 g,P < 0.05),lower nosocomial infection rate (29.6% compared with gram negative group 70.2%,fungi group 94.1%,P <0.05),lower rate of shock,blood glucose disturbance and thrombocytopenia (P < 0.05).There was no statistics difference between the gram negative group and fungi group.Comparing with the other two groups,fungi group was older [20.0 (11.5,39.5) d compared with gram positive group 7.0 (2.0,17.0) d,and gram negative 10.0 (6.0,18.2) d,P < 0.05].The rate of deep venous catheterization in fungi group was higher than that in gram positive group and gram negative group (88.2% compared with gram positive group 25.4%,gram negative group 40.4%,P <0.05).The treatment course of fungi group was longer than that of the gram positive group and gram negative group [22.0 (12.0,37.5) d compared with the gram positive group 14.0 (10.0,17.0) d,gram negative group 14.0 (11.0,18.0) d,P <0.05].The incidence of apnea in the gram negative group was higher than that in gram positive group and fungi group (P < 0.05).The rate of leukocytosis,leukocytopenia and elevated CRP were higher in gram negative and gram positive group (P < 0.05).Conclusion The clinical manifestations and laboratory examinations in neonatal sepsis caused by different pathogens were different,which can help to early identification of different pathogenic infections.However,there is no specific indicators to differentiate neonatal sepsis caused by different pathogens.Early identification of the pathogen needs clinical acumen.
4.Association of methionine synthase reductase gene polymorphism with unexplained recurrent spontaneous abortion
Qiannan GUO ; Shixiu LIAO ; Bing KANG ; Juxin ZHANG ; Ruili WANG ; Xuebing DING ; Weihua ZHANG
Chinese Journal of Obstetrics and Gynecology 2012;47(10):742-746
Objective To explore the relationship between the polymorphism of methionine synthase reductase(MTRR) A66G and the susceptibility to unexplained repeated spontaneous abortion (URSA).Methods Total of 200 Henan Han couples with URSA (URSA group) and 76 Henan Han healthy couples without URSA (control group)were enrolled in this study.Their MTRR A66G genotypes were determined by PCR restriction fragment length polymorphism (PCR-RFLP).Results (1) The allele frequencies of MTRR A66G:the frequencies of allele A and allele G in URSA group were 76.5% (153/200)in husband and 72.8% (146/200) in wife,23.5% (47/200) in husband and 27.2% (54/200) in wife,respectively.The frequencies of allele A and allele G in control group were 78.9% (60/76) in husband and 78.3% (59/76) in wife,21.1% (16/76) in husband and 21.7% (16/76) in wife,respectively.The frequencies of allele A and allele G were not significantly different between female and male subjects within the same experimental group (P > 0.05),and also there were not significantly different between the same gender subjects at URAS and control groups(P > 0.05).(2) The genotype frequencies of MTRR A66G:the frequencies of genotype AA,AG and GG in URSA group were 57.0% (114/200) in husband and 52.0% (104/200) in wife,39.0% (78/200) in husband and 41.5% (83/200) in wife,4.0% (8/200) in husband and 6.5% (13/200) in wife,prepectively.The frequencies of genotype AA,AG and GG in control group were 59.2% (45/76) in husband and 59.2% (50/76) in wife,39.5% (30/76) in husband and 38.2% (29/76) in wife;1.3 % (1/76) in husband and 2.6% (2/76) in wife,prepectively.The frequencies of genotype AA,AG and GG were not significantly different between female and male subjects within the same group (P > 0.05),and also there were not significantly different between the same gender subjects at URSA and control groups (P >0.05).(3) Combined genotype of couples:the combined genotype frequencies of GG + GG,GG + AG,GG +AA,AG + AG,AG + AA and AA + AA in URSA group were 1.0% (2/200),2.5% (5/200),6.0% (12/200),20.0% (40/200),38.0% (76/200),and 32.5 % (65/200),prepectively ; the combined genotype frequencies in control group were 0,1.3% (1/76),2.6% (2/76),17.1% (13/76),42.1% (32/76),36.8% (28/76),prepectively.The combined genotype analysis between the two groups were also not significantly different (P > 0.05).Conclusion The polymorphism of MTRR A66G gene was not associated with the susceptibility to URSA (P > 0.05),and so it was not the inherited genetic risk factor of URSA.
5.Molecular diagnosis of X-linked hypohidrotic ectodermal dysplasia families
Qiaofang HOU ; Shixiu LIAO ; Yu WANG ; Lei ZHANG ; Tao LI ; Qiannan GUO
Chinese Journal of Applied Clinical Pediatrics 2015;(20):1565-1568
Objective To explore the mutations of EDA gene in 2 X - linked hypohidrotic ectodermal dyspla-sia(XLHED)pedigrees,and provide clues for the XLHED diagnosis,genetic counseling and treatment. Methods Polymerase chain reaction and direct sequencing were used to analyze the coding sequences and their flanking sequences of the EDA gene in the patients,suspicious carriers,normal family members in 2 families and non - relative control sam-ples. Results In family 1,mutation c. 659 676del18,namely p. 220 225del(Gly - X - Y)6 which was located in (Gly - X - Y)19 collagen - like repeat domain,was found in the proband and other patient's EDA gene. In family 2,an insertion c. 118 - 119insT was found in the intracellular domain,which induces reading frame alteration from the 40th a-mino acid. The mutations found in the 2 families were consistent with the principle of mutation and phenotype co - sepa-ration,but these mutations were not found in the normal control samples. EDA gene analysis of fetal amniotic fluid sam-ple from Ⅲ - 1 in the family 1 was not found to have the same mutation as the proband,and the follow - up after birth proved normal for the baby. Conclusions EDA gene c. 118 - 119insT mutation found in the research is a novel muta-tion. Sequence analysis of EDA gene is an efficient method in XLHED diagnosis,and is beneficial for the genetic coun-seling and the genetic intervention of the disease in the affected families.
6.Analysis of cognitive function and its related factors in patients with essential epilepsy
Qiannan ZHANG ; Hong CHANG ; Huifang SUN ; Yuxue CHEN ; Yue QI ; Li ZHAO ; Chunbo DONG
Chinese Journal of Postgraduates of Medicine 2014;37(21):36-39
Objective To observe the cognitive function and its related factors in patients with essential epilepsy.Methods The cognitive function of 70 essential epilepsy patients (epilepsy group) and 40 healthy controls(control group) were evaluated by means of Wechsler Intelligence Scale for Adult-Chinese (WAIS-RC).The relation between the cognitive dysfunction and its related factors were analyzed.Results The scores of performance intelligence quotient,verbal intelligence quotient,full intelligence quotient in epilepsy group were significantly lower than those in control group [(98.06 ± 15.24) scores vs.(113.80 ± 12.14) scores,(98.09 ± 16.06) scores vs.(120.65 ± 11.28) scores,(98.06 ± 15.80) scores vs.(119.42 ± 11.85) scores] (P < 0.01).The scores of 11 numbers of rating scales were significantly lower than those in control group (P < 0.01).The factors related to the cognitive function were education level,age numbers,duration of the disease,frequency of seizures attack before medication,the duration of seizures and the quantity of antiepileptics.Conclusions Many of the essential epilepsy patients have cognitive function deficit.The cognitive condition of essential epilepsy patients should be pay more attention and reduce the dangerous factors in order to improve the life quality.
7.Optimization of the Extraction Technology of Senecio scandens by Orthogonal Design Combined with Informa- tion Entropy Weighting Method
Yan LI ; Yanfan PAN ; Tao ZHANG ; Zhongyao HAN
China Pharmacy 2020;31(12):1470-1474
OBJECTIVE:To optimize the extraction technology of Senecio scandens ,and to provide reference for the further development and utilization of the medicinal material. METHODS :The method of reflux extraction with 80 ℃ water bath was used to extract S. scandens . HPLC method was adopted to determine the contents of chlorogenic acid and hyperoside. The determination was performed on Diamonsil C 18 with mobile phase consisted of 0.2% glacial acetic acid water solution-methanol (82∶18,V/V)at the flow rate of 1.0 mL/min;the column temperature was set at 35 ℃;the detection wavelength was 327 nm,and the sample size was 5 μL. UV-Vis spectrophotometry was used to determine the contents of total flavonoids(by rutin )and total alkaloids (by matrine)and the detection wavelengths were set at 509 nm and 208 nm,respectively. Based on single factor tests ,using ethanol volume fraction (A,%),solvent folds (B,mL/g),extraction time (C,h),extraction times (D,times)as factors ,using the contents of chlorogenic acid ,hyperoside,total flavonoids and total alkaloids as indexes ,and t he weight coefficients of above indicator components were calculated based on information entropy weighting method so as to calculate their comprehensive scores , then L 9(34)orthogonal design was used to further optimize the extraction technology. The validation tests were also performed. RESULTS:The optimal extraction technology of S. scandens included that 8-fold 50% ethanol,extracting for 3 times,lasting for 1.5 h each time. Results of 3 times of validation tests showed that RSDs of the contents of chlorogenic acid ,hyperoside,total flavonoids and total alkaloids were all lower than 1.5%(n=3). CONCLUSIONS :The optimized technology is reproducible , stable and feasible ,and can be used for the extraction of S. scandens .
8.Analysis of Ongoing Change Characteristics of the Contents of Syringin and Total Flavonoids in Different Medicinal Parts of Toricellia angulata from Guizhou
Zhongyao HAN ; Wei SONG ; Yan LI ; Tao ZHANG ; Wenshuang TANG ; Fujun ZHOU
China Pharmacy 2020;31(17):2124-2128
OBJECTIVE:To study ongoing change characteristics of the contents of syringin and total flavonoids in different medicinal parts (root bark ,tree bark ,leaf)of Toricellia angulata from Guizhou ,and to provide reference for the development and application of T. angulata . METHODS :The root bark ,tree bark and leaf parts of T. angulata during different harvesting periods (Jan.-Dec.) were taken as the research samples. The content of syringin was determined by HPLC. The determination was performed on Agela Promosil C 18 column with mobile phase consisted of 0.5% phosphoric acid solution-acetonitrile (gradient elution)at the flow rate of 1.0 mL/min. The detection wavelength was set as 210 nm,and column temperature was 35 ℃. The sample size was 5 μL. The content of total flavonoids was determined by UV-visible spectrophotometry under detection wavelength of 510 nm. RESULTS :The linear range of syringin and total flavonoids were 0.095 9-1.150 8 mg/mL(r=0.999 6)and 0.072 2- 1.083 0 mg/mL(r=0.999 9),respectively. RSDs of precision ,stability and repeatability tests were all less than 3%(n=6). The average recoveries were 101.74%(RSD=2.36% ,n=6)and 99.63%(RSD=2.19% ,n=6),respectively. During different harvesting periods ,the contents of syringin in root bark ,tree bark ,leaf of T. angulata collected on Aug. ,May and Sept. were the highest,and the contents of total flavonoids in samples collected on Feb. ,Dec. and Sept. were the highest. The contents of syringin in different medicinal parts of T. angulata were in descending order as follows as tree bark >root bark >leaf,and the content of syringin was commonly relatively high in tree bark part ;the content of total flavonoids in different medicinal parts of T. angulata were in descending order as follows as root bark >tree bark >leaf,and the contents of total flavonoids in three medicinal parts was generally low. The content of total flavonoids in root bark was the highest in Feb. of that year ,and the content of syringin in root bark at same month was second only to Aug. of that year ;the content of syringin in tree bark was the highest in May ,and the content of total flavonoids in tree bark at same month was second only to Oct. and Dec. of that year ;the contents of total flavonoids and syringin in leaf were the highest in Sept. of that year. CONCLUSIONS :It is suggested that Feb. is the best time for harvesting root bark ,May for tree bark and Sept. for leaf of T. angulata .
9.Establishment of HPLC Fingerprint ,Chemical Pattern Recognition Analysis and Content Determination of the Leaves of Toricellia angulata from Different Regions
Zhongyao HAN ; Jun XIANG ; Jianyu CHEN ; Yiyong SONG ; Shiwai LI ; Wenshuang TANG ; Zujun YE ; Linsu ZHANG ; Hao TIAN ; Wanle WANG
China Pharmacy 2021;32(10):1224-1229
OBJECTIVE:To provide reference for the quality control of the leaves of Toricellia angulata . METHODS :HPLC method was adopted. The determination was performed on Agela Promosil C 18 column with 0.2% phosphoric acid solution-acetonitrile(gradient elution )as mobile phase at the flow rate of 1.0 mL/min. The detection wavelength was set at 210 nm,and column temperature was 35 ℃. The sample size was 10 μL. HPLC fingerprint of 10 batches of the leaves of T. angulata was established and similarity evaluation was conducted by using Similarity Evaluation System of TCM Chromatographic Fingerprint(2004 edition). The chromatographic peak was identified by comparing with the chromatogram of reference substance. Cluster analysis ,PCA and PLS-DA were used to identify chemical patterns ,and the quality differential markers were screened. The contents of hyperoside and isoquercitrin were determined by the same HPLC. RESULTS :The similarities of HPLC fingerprint of 10 batches of the leaves of T. angulata with control fingerprint were 0.923-0.983. A total of 11 common peaks were identified ,and the peaks 4 and 5 were hyperoside and isoquercitrin ,respectively. Results of cluster analysis ,PCA and PLS-DA showed that 10 batches of leaves of T. angulata could be divided into two categories ,Y10 was clustered into one category ,and others were clustered into one category. PLS-DA analysis showed that 6 common peaks (peaks 4,3,10,2,6 and 11) with variable importance projection (VIP)greater than 1 were selected. Average contents of hyperoside and isoquercitrin in 10 batches of the leaves of T. angulata were 0.47-6.97,0.21-1.87 mg/g,respectively. CONCLUSIONS :Established HPLC fingerprint and the method for content determination are stable and reliable ,and can be used for the quality control of the leaves of T. angulata from different areas. Six quality differential markers including hyperoside in the leaves of T. angulata from different areas are qnyz202034) preliminarily screened.
10.Swimming plus medication reduces the expressions of cytokines in rats with chronic abacterial prostatitis.
Hai-Bo SUN ; Min WANG ; Yuan-Zhong LIU ; Rong-Min DANG ; Hong-Shu XIE ; Zhang-Chun LI
National Journal of Andrology 2017;23(1):21-26
Objective:
To observe the effects of swimming plus medication on the expressions of cytokines in rats with chronic abacterial prostatitis (CAP).
METHODS:
Forty healthy adult male SD rats were randomly divided into five groups of equal number, normal control, CAP model control, medication, exercise therapy, and exercise + medication. The CAP model was made by Xiaozhiling injection, and at 7 days after modeling, the rats in the medication and exercise + medication groups were treated intragastrically with Qianlie Shutong Capsules (0.016 g/ml) at 20 ml per kg of the body weight qd, those in the exercise therapy and exercise + medication groups were made swim at a regular time once a day, 35 minutes on the first day and 5 minutes more on the second until 50 minutes once, for 4 successive weeks, and those in the normal control, model control and exercise therapy groups received normal saline only. After 14 and 28 days of treatment, all the rats were killed and their prostates harvested for observation of histopathological changes and determination of the expressions of TNF- α, IL-1β and IL-6 in the prostatic tissue homogenate by ELISA.
RESULTS:
After 14 days of treatment, the expression levels of TNF-α, IL-1β and IL-6 were significantly elevated in the groups of CAP model control ([183.08±8.07] pg/ml, [57.55±3.53] pg/ml and [256.15±13.95] ng/L), medication ([118.49±8.06] pg/ml, [42.64±4.64 ] pg/ml and [200.74±9.33] ng/L), exercise therapy ([169.63±10.64] pg/ml, [50.45±5.71] pg/ml and [245.23±6.49] ng/L), and exercise + medication ([107.82±7.81] pg/ml, [40.35±6.93] pg/ml and [187.04±10.85] ng/L) as compared with those in the normal control ([20.36±1.82] pg/ml, [14.64±1.91] pg/ml and [70.58±2.09] ng/L) (P<0.05). At 28 days, the levels of TNF- α, IL-1β, IL-6 were remarkably lower in the exercise + medication group ([29.30±3.78] pg/ml, [16.91±1.24] pg/ml and [ 88.65±6.74] ng/L) than in the medication group ([39.67±3.19] pg/ml, [26.27±3.49] pg/ml and [110.26±6.33] ng/L) (P<0.05) and close to those of the normal control group ([19.34±1.76] pg/ml, [13.68±1.06] pg/ml and [71.34±2.50] ng/L). During the treatment, no obvious pathological changes were found in the prostate tissue of the normal control rats, while significant chronic prostatic inflammation was observed in the CAP models, and the inflammation was relieved in different degrees after intervention, most significantly in the exercise + medication group.
CONCLUSIONS
Swimming can relieve prostatic inflammation and swimming plus medication can effectively reduce the expressions of cytokines and alleviate histological damage in the prostatic tissue of CAP rats.
Animals
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Chronic Disease
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Combined Modality Therapy
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methods
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Cytokines
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metabolism
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Drugs, Chinese Herbal
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therapeutic use
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Interleukin-1beta
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metabolism
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Interleukin-6
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metabolism
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Male
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Physical Conditioning, Animal
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Prostatitis
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metabolism
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therapy
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Random Allocation
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Rats
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Rats, Sprague-Dawley
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Swimming
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Time Factors
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Tumor Necrosis Factor-alpha
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metabolism