3.Recent advances in the quantification of drug metabolizing enzymes and transporters by proteomic approach.
Bo YANG ; Jing WANG ; Yu-ting CONG ; Liang-hai HU ; Jing-kai GU
Acta Pharmaceutica Sinica 2015;50(6):668-674
With the advance of drug development and research techniques, the drug metabolic processes and mechanism can be more deeply achieved. As the drug metabolism and pharmacokinetics process are mediated by drug metabolizing enzymes and transporters, study of drug metabolizing enzymes and transporters has become an important part for drug development. The traditional immunoassays with low sensitivity and poor specificity can not reflect the accurate expression level of drug metabolizing enzymes and transporters. We now give a brief review on the quantitative study of drug metabolizing enzymes and transporters by mass spectrometry-based proteomic approach.
Enzymes
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chemistry
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Humans
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Inactivation, Metabolic
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Mass Spectrometry
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Membrane Transport Proteins
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chemistry
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Pharmacokinetics
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Proteomics
4.Analysis on the Distribution of TCM Syndromes and Related Factors of Pregnancy Outcome of 1010 Cases of Early Threatened Abortion
Yuhua HUANG ; Hai KE ; Yingnan WEI ; Jing GUO ; Hongyan XU ; Jing HU
Chinese Journal of Information on Traditional Chinese Medicine 2017;24(8):22-26
Objective To discuss the distribution laws of TCM syndromes of early threatened abortion; To analyze the related factors of pregnancy outcome of early threatened abortion. Methods The study included 1010 hospital patients who were diagnosed as early threatened abortion. Excel2010 was used to establish database in order to collect general information such as the age, menstrual history, times of abortion and adverse pregnancy, incidence of solar term and pregnancy week, the type of TCM syndromes and the pregnancy outcome (at least 3 months after being out of hospital) of patients. The distribution laws of TCM syndromes, and related factors of pregnancy outcome were analyzed. Results Among the 1010 cases, 762 cases were with kidney deficiency syndrome (75.4%); followed by blood heat syndrome, a total of 178 cases, accounting for 17.6%; qi and blood deficiency syndrome, a total of 40 cases, accounting for 4%; blood stasis syndrome, a total of 15 cases, accounting for 1.5%; liver stagnation syndrome, a total of 15 cases, accounting for 1.5%. The distribution of TCM syndromes was statistical significance in the different age groups and the incidence of pregnancy week (P<0.01). But there was no statistical significance in menstrual history, times of abortion, times of adverse pregnancy, and the incidence of solar term (P>0.05). Among the 1010 cases, follow-up to 698 cases, 567 cases were successful pregnancies, accounting for 81.2% of the follow-up of patients; 131 cases were failed pregnancies, accounting for 18.8% of the follow-up of patients. In the study, it found that there was statistical significance between different age groups and pregnancy outcomes (P=0.026). The pregnancy outcomes were related to the age groups (P=0.012, OR=1.063), and it was not related to TCM syndromes, times of abortion, times of adverse pregnancy, menstruation, pregnancy week. Conclusion Kidney deficiency syndrome is the main syndrome of early threatened abortion. The distribution of TCM syndromes is related to the age group and the incidence of pregnancy week of patients. Age of patients is the related factor affecting the pregnancy outcome.
5.Significance of derivative chromosome 9 in evaluation on prognosis of chronic myeloid leukemia
Jie DONG ; Wei LI ; Jing BAI ; Hai LIN ; Chunshui LIU ; Wei HAN ; Ruiping HU ; Jiuwei CUI
Journal of Jilin University(Medicine Edition) 2016;42(2):301-305
Objective:To determine the derivative chromosome 9 by the method of detecting the ASS gene,and to explore the relationship between the deletion of derivative chromosome 9 and the efficacy and prognosis of the chronic myeloid leukemia (CML)patients. Methods:The materials of 34 CML patients with positive BCR-ABL fusion gene whose ASS genes were detected were retrospectively analyzed. All patients were treated with Extra-signal (ES)probe to detect the derivative chromosome 9.All patients were divided into two groups according to whether they carried the derivative chromosome 9.The blastic phase or the accelerated phase rates in two groups were compared by using Fisher exact probability. Results:All patients were detected by FISH (BCR-ABL ES probe),and all the BCR-ABL fusion signals were positive.6 of 34 patients were found the deletion of ASS gene, among them 1 case blonged to chronic phase,and 5 cases developed into blastic phase or accelerated phase. In the patients without ASS gene deletion,there were 22 cases in chronic phase,and 6 cases in plastic phase or accelerate phase,there was significant difference of blastic phase rate/accelated phase rate between them (P<0.05).A total of 26 patients were treated with tyrosine kinase inhibitors (TKI).5 of 26 patients belonged to the ASS gene deletion group,1 of 5 patients treated with TKI got molecular remission,4 of 5 patients developed into blastic phase or accelerated phase.21 of 26 patients belonged to the group without ASS gene deletion,and among them,19 cases got molecular remission,2 cases developed into plastic phase or accelerated phase after treatment of TKI,there was significant difference between them (P < 0.05 ). 6 patients were treated with traditional chemotherapy (hydroxyurea,interferon);1 of 6 patients belonged to the ASS gene deletion group,finally developed into the blastic phase or accelerated phase;5 of 6 patients belonged to the group without ASS gene deletion,2 cases got the hematological remission,and 3 patients developed into blastic phase or accelerated phase after treatment,and there was no significant difference of blastic phase rate/ accelerated phase rate between them (P > 0.05 ). Conclusion:The CML patients with derivative chromosome 9 (ASS gene deletion)prone to get disease progression, and have a higher proportion in the blastic phase or accelerated phase patients.Derivative chromosome 9 is related to the bad treatment efficacy of TKI and the poor prognosis of CML.
6.Correlation between asymmetric dimethylarginine and endothelial dysfunction in patients with uremia
Dan GAO ; Fengqi HU ; Yongfang QIN ; Long CUI ; Jing MING ; Hai YUAN
Journal of Chinese Physician 2013;(4):479-481
Objective To investigate the correlation between asymmetric dimethylarginine (AD-MA) and endothelial dysfunction in patients with uremia.Methods Uremic patients who did not receive hemodialysis were defined as A group (n =40) ; uremic patients who had received hemodialysis were divided into B group (n =45) ;healthy people were defined as C group (n =20) ;and chronic kidney disease (stage 2 ~ 4) patients were defined as D group (n =20).The diameter of intima-media thickness,and endothelium-dependent or independent dilation (EDD or EID) of radial artery in right forearm were detected with diasonography.The levels of ADMA were determined by high-performance liquid chromatography.Results Compared to C group,the levels of ADMA in A,B and D groups were significantly increased [C:(0.78 ±0.19) μmol/L,A:(1.51 ±0.16) μ mol/L,B:(1.13 ±0.14) μmol/L,D:(0.92 ±0.11) μmol/L; P <0.05].Compared to A group,the levels of ADMA were significantly decreased in B group (P <0.05).EDD and EID were decreased significantly in A,B and D groups compared to C group [EDD:C:(13.52±1.73)% vs A:(7.32 ±0.54)%,B:(9.02 ±0.86)%,D:(10.13 ±1.25)%,P <0.05;EID:C:(14.45±1.85)% vsA:(10.37 ±1.51)%,B:(9.54±1.39)%,D:(11.17±1.56)%,P <0.05].EDD in B group was significantly lower than A group (P <0.05).In group A,a negative correlation was found between EDD and the level of ADMA (r =-0.81,P =0.020).Conclusions ADMA level was significantly increased in uremic patients.A close correlation existed between ADMA and endothelial dysfunction of radial artery.
7.Screening, Identification of a Chitinolytic Bacterium Strain SWCH-6 and Its Optimal Chitinase Fermentation Conditions
Hai-Dong WANG ; Biao CHEN ; Jing-Sheng LUN ; Cheng WANG ; Zhong HU ;
Microbiology 1992;0(05):-
A bacterium, having high chitinolytic activity, was isolated from sediment of Shantou Bay, named SWCH-6. According to its physiological and biochemical characteristics and 16S rDNA sequence, it was identified as Aeromonas hydrophlilla. The optimal chitinase fermentation conditions of strain SWCH-6 were conformed by single-factor experiments and orthogonal experiments, they were colloidal chitin 25.0 g/L, tryptone 10.0 g/L, seawater 1 L, pH 8.5, 32 ℃ , 150 r/min for 72 h. In these conditions, its chitinase activity reached 0.39 U/mL. In addition, at 40℃ and pH 5.0, its chitinase performed the highest catalytic activity and its chitinase activity could be enhanced by Cu2+, Fe3+ and surfactant toween-80; weakened by Zn2+, Mn2+ and surfactants SDS, detergent powder, and there were some differences from orther chitinases.
8.Perioperative anesthesia management of crush syndrome caused by earthquake under field condition
Jing-Jing JIANG ; Hu LIU ; Hai-Tao XU ; Jun-Qing YE ; Cheng-Cai WANG ; Hong-Bin YUAN ;
Academic Journal of Second Military Medical University 1985;0(06):-
Objective:To summarize our experience on perioperative anesthesia management of patients with crush syndrome caused by earthquake under field condition.Methods:The clinical anesthesia data of 10 patients with crush syndrome caused by China Wenchuan earthquake,who were treated under field condition,were retrospectively analyzed,and our experience on perioperative anesthesia management was summarized.Results:After volume therapy,urine alkalization,and stabilization of internal environment,the 10 patients underwent dehridement,decompression by fasciotomy or amputation under epidural anesthesia or brachial plexus block plus psychological therapy and moderate tranquillizer.During the operation,the patients showed smooth respiratory and cardiovascular characteristics without pain.Conclusion:Under field condition,regional anesthesia can provide adequate analgesic effect during and after the surgery.Early fluid resuscitation and life support are vital to the safety and life of patients.
9.Randomized, double-blind, multi-center, positive parallel control clinical trial of compound Wuzhigan capsules on anemopyretic cold.
Xiao-Mei CHEN ; Hui CAO ; Hong SUN ; Jing WEN ; Wen-Hua HUANG ; Ya-Jing HU ; Lin LIN ; Cui-Ying TANG ; Rui XU ; Hai-Tang HU
China Journal of Chinese Materia Medica 2014;39(3):531-535
Compound Wuzhigan capsules is a compound preparation composed of Wuzhigan, Shidagonglao, Gangmei, Shanzhima. A Randomized, double-blind, multi-center, positive parallel control designed to evaluate the clinical efficacy and safety of compound Wuzhigan capsules on anemopyretic cold. One hundred and twenty anemopyretic cold patients were given compound Wuzhigan capsules (test group), 2 capsules one time, three times a day, 119 patients were given compound Wuzhigan tablets (control group) ,4 tablets one time, three times a day; three days of treatment The study showed, the markedly effective rate and total effective rate respectively were 63. 3% and 80% of the test group. For the control group, the markedly effective rate and total effective rate respectively were 72. 5% and 80. 7%. The difference was not statistically significant. Compound Wuzhigan capsules can reduce the dosage, and get better patient compliance.
Adult
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Capsules
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Common Cold
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complications
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drug therapy
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Double-Blind Method
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Drugs, Chinese Herbal
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adverse effects
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therapeutic use
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Female
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Humans
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Male
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Middle Aged
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Safety
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Treatment Outcome
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Young Adult
10.Effect of dragon's blood powder with different grain size on transdermal absorption and adhesion of ZJHX paste.
Qin HU ; E SUN ; Zhen-Hai ZHANG ; Jing ZHU ; Xiao-Bin JIA
China Journal of Chinese Materia Medica 2012;37(23):3549-3553
OBJECTIVETo study the effect of dragon's blood powder with different grain size on the transdermal permeability and adhesion of ZJHX paste.
METHODDragon's blood powder with grain sizes of 4, 19, 55 microm were got by ultrafine grinding technology, and then prepared into rubber pastes A, B, C and D, together with dragon's blood powder with grain size of 93 microm of original description. Franz diffusion cell method was adopted to compare the difference in transdermal permeability of dragon's blood powder with different grain sizes, with dracorhodin as the index, and compared their effect on the adhesion of pastes with initial adhesion, permanent adhesion and peel strength as the indexes.
RESULTQ(s)-t equations of pastes A, B, C, D were as follows: Q(s)=1.369 6t + 3.985 5, Q(s) = 1.262 8t +3.738 1, Q(s) = 1.192 3t + 3.320 6, Q(s) = 1.152 2t + 2.366 1, respectively, which showed that the adhesion of A was the best good.
CONCLUSIONWith the decrease in the grain size of dragon's blood powder, accumulative penetration of dracorhodin increases, which facilitates transdermal permeability and adhesion.
Absorption ; Animals ; Croton ; chemistry ; Drugs, Chinese Herbal ; chemistry ; pharmacokinetics ; Mice ; Particle Size ; Plant Extracts ; chemistry ; pharmacokinetics ; Resins, Plant ; chemistry ; pharmacokinetics ; Skin ; metabolism ; Skin Absorption