1.Serum progesterone levels in early pregnant women and its relation to luteal maintenance therapy for pregnancy protection
Chinese Journal of General Practitioners 2015;14(4):269-273
Objective To investigate serum levels of β-human chorionic gonadotrophin (β-HCG) and progesterone (P) in early pregnant women,and their relation to luteal maintenance therapy for early pregnancy protection.Methods One hundred and thirty five infertility women treated in Department of Gynecology and Obstetrics of Beijing Chaoyang Hospital from January 2007 to December 2011.Total 150pregnancy cycles,including 84 with intrauterine insemination (IUI) and 66 with natural conception,were divided into two groups:normal intrauterine pregnancy group (group A,n =80) and early pregnancy loss group (group B,n =70).Medical history,ultrasonic findings,serum female hormone,P and β-HCG levels at early pregnancy stage were analyzed.Results The age of group A and group B was (30.0 ± 3.9) years and(30.7 ± 4.9) years,respectively (P > 0.05).The follicle-stimulating hormone/luteinizing hormone in group A and group B was 1.57 ±0.96 and 1.56 ± 1.08 ; the estradiol levels in two groups were (152 ±66) pmol/L and (147 ± 69) pmol/L,respectively (both P > 0.05).There were no differences in dominant follicles and endometrial thickness between groups A and B (P > 0.05).Ovulation promotion and luteal support treatments were adopted in both groups:50% (40/80) of cycles in group A received ovulation promotion,73% (58/80) of cycles received luteal support,while 44% (31/70) and 76% (53/70) received in groups B,respectively.The levels of serum progesterone in group A during 14-21 d,22-27 d and ≥ 28 d after ovulation were higher than those in group B at each time points (P < 0.0l).There were no significant differences in serum progesterone levels between women with luteal support treatment and those without luteal support treatment in both groups (P > 0.05).Conclusion Dynamic monitoring of serum progesterone level in early pregnancy may be used as an auxiliary index for prediction of pregnancy outcome,but it may not be an indicator for luteal maintenance therapy.
3.Progresses in studies on neonatal septicemia.
Chinese Journal of Pediatrics 2010;48(1):32-35
Humans
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Infant, Newborn
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Sepsis
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diagnosis
4.Preparation and immunohistochemical study of human single chain Fv antibody against hepatitis C virus core antigen
Yanwei ZHONG ; Jun CHENG ; Chengsong JIAO
Medical Journal of Chinese People's Liberation Army 1982;0(01):-
Objective To detect hepatitis C virus core antigen in 7721 cells transfected with HCV cDNA by immunohistochemistry method with human single chain Fv antibody(scFv). Methods The recombinant phages were panned by core antigen which was coated in a microtiter plate. After three rounds of biopanning, 48 clones were identified specific to core antigen. The affinity and specificity of scFv were evaluated by ELISA and immunohistochemistry. Results ScFv-core DNA digestion and sequence data showed that the scFv gene was composed of 774bp. Conclusion Human single chain Fv antibody against HCV core antigen has a specific combining capacity with hepatitis C virus core antigen.
5.Discussion on several points of treating hemodynamic cerebral infarction by Buyang-huanwu decoction
Li YANG ; Nanfang CHENG ; Juan JIAO
International Journal of Traditional Chinese Medicine 2010;32(3):275-276
Tis study discusses the applicable relationship between Buyang-huanwu decoction and hemodynamic cerebral infarction from pathogenesis of Qi asthenia causing blood stasis.pathological features of hemodynamic cerebral infarction and the function and mechanism of Buyang-huanwu decoction and so on.It also investigates the methods of applying Buyang-huanwu decoction to treat hemodynamic cerebral infarction from such aspects as dose,occasion,contraindication and attentions.
6. Bioanalysis and pharmacokinetics of eight active components from huanglian jiedu decoction in rat plasma by LC-ESI-MS/MS method
Chinese Herbal Medicines 2015;6(3):198-210
Objective: To develop a sensitive and rapid liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS) method for the simultaneous determination of wogonin, coptisine, berberine, palmatine, jatrorrhizine, phellodendrine, magnoflorine, and wogonoside in rat plasma and to evaluate the pharmacokinetic characteristics of Huanglian Jiedu Decoction (HJD). Methods: LC separation was performed on an Acquity HSS T3 column (100 mm × 2.1 mm, 1.8 μm) using gradient elution with the mobile phase consisting of acetonitrile and 0.1% formic acid water. The detection was accomplished by using positive electrospray ionization in multiple-reaction monitoring mode. Plasma samples were pretreated by protein precipitation. Results: The method showed a good linearity over a wide concentration range (r2 > 0.99). The lower limits of quantification were 0.20 ng/mL for coptisine and phellodendrine, 0.48 ng/mL for berberine, 0.10 ng/mL for jatrorrhizine, 0.32 ng/mL for magnoflorine, 0.30 ng/mL for palmatine, and 4.80 ng/mL for wogonin and wogonoside, respectively. The intra- and inter-day precision of the analytes was less than 12.11%, while the accuracy was between -14.46% and 4.86%. The mean recovery of all the analytes ranged from 93.10% to 110.91%. Conclusion: This validated method offers the advantages of high sensitivity. It is successfully applied to evaluating the pharmacokinetic properties of HJD. © 2014 Tianjin Press of Chinese Herbal Medicines.
7.Clinical research of IMRT combined with HIFU for inoperatable recurrent primary hepatic carcinoma after operation and TACE
Tao XU ; Hongxia JING ; Linjun LI ; Jun ZHANG ; Jianyun YU ; Xiongfei CHENG ; Jiao JIAO
Chongqing Medicine 2016;45(36):5088-5090,5094
Objective Toexploretheclinicalefficacyandtoxicityofintensitymodulatedradiationtherapy(IMRT)combined with high intensity focused ultrasound(HIFU) for inoperatable recurrent hepatic carcinoma after operation and TACE .Methods Total 60 patients with inoperatable recurrent hepatic carcinoma after operation and TACE were randomly divided into two group ,30 patients in observation group received IMRT and HIFU ,while 30 patients in control group received only IMRT .For both groups , the same radiotherapy technic was given with IMRT in 6 MV X‐ray ,the total dose was 54 -70 Gy/6 -7 weeks .In observation group ,HIFU was carried out concurrently with IMRT (5 days/week ,6-7 weeks) .Results The difference of the short‐term effi‐cacy between the observation group and the control group was statistically significant (P<0 .05) ,there was no significant difference in acute radioactive toxicity between the two groups (P>0 .05) .The one and two year overall survival rate 89 .9% ,78 .9% in obser‐vation group ,while 72 .8% ,36 .2% in control group ,the differnces were statistically significant (P<0 .05);the one and two year progression‐free survival rate were 85 .9% and 50 .9% in observation group ,while 64 .3% and 28 .1% in control group ,the differ‐ences between two groups were statistically significant (P<0 .05) .The medium survival time was 36 months in observation group , and 24 months in control group;the medium progression‐free survival was 27 months in observation group ,and 17 months in control group .Conclusion For recurrent unresectable or reject surgery after TACE in patients with primary hepatic carcinoma ,the efficacy of IMRT combined with HIFU treatment is effective ,the toxicity can be tolerated ,and has certain application value .
8.TRIB3 promotes lung cancer cell survival and inhibits apoptosis through NRF2 activation
Jiao-jiao YU ; Cheng ZHANG ; Yu-jin XIANG ; Zhuo-wei HU ; Bing CUI ; Fang HUA
Acta Pharmaceutica Sinica 2021;56(5):1352-1359
The nuclear transcription factor nuclear factor erythroid 2-related factor 2 (NRF2) plays a crucial role in maintaining cellular redox homeostasis. The aberrant NRF2 signaling confers enhanced antioxidant capacity, which is linked to tumor progression and therapeutic resistance. The current study investigates the biological effects and molecular mechanism of tribbles homolog 3 (TRIB3), a stress-induced protein, in regulating cell survival and apoptosis in lung cancer. This study first performed the RNA sequencing data analysis with 576 lung adenocarcinoma patients from the cancer genome atlas (TCGA) database. The NRF2- antioxidant response element (ARE) signature was enriched in patients with high TRIB3 expression. Dual-luciferase reporter assay and real-time quantitative polymerase chain reaction (PCR) were used to confirm the effect of TRIB3 on the kelch-like ECH-associated protein-1 (KEAP1)-NRF2 pathway. Abrogation of
9.Studies of glycol mannate sulfate on thrombogenesis
Bo JIAO ; Yanna CHENG ; Shiling ZHANG ; Chunxia ZHANG
Chinese Journal of Marine Drugs 1994;0(04):-
Objective To investigate the effects of glycol mannate sulfate(GMS) on thrombogenesis.Methods The thrombogenesis was observed by carotid artery and cervical vein bypass and the thrombus was weighted.Thrombogenesis in common carotid artery was induced by electric stimulation.Mice mesentery microthrombus formation was induced by laser.Pulmonary thromboembolism was induced by injection of arachidonic acid.Plasma fibrinogen of rats was measured.Results GMS 25,50 mg?kg~(-1) could decrease the weight of thrombus cohered on suture silk significantly;25,12.5 mg?kg~(-1) of GMS could prolong the obstruction time;GMS 35.7,71.4 mg?kg~(-1) could delay the formation of mice mesentery microthrombus;GMS 40,80 mg?kg~(-1) could decrease the mortality induced by arachidonic acid injection.At the dosages of 25,50 and 100 mg?kg~(-1)GMS could decrease the fibrinogen in plasma.Conclusion GMS could inhibit the thrombogenesis significantly.
10.Inhibition of probucol on the apoptosis of vascular smooth muscle cell induced by hydrogen peroxide
Lijuan SHAO ; Lin SHENG ; Yajie HU ; Yanna CHENG ; Bo JIAO
Chinese Pharmacological Bulletin 2003;0(07):-
Aim To investigate the effects of antioxidant probucol on vascular smooth muscle cells(VSMCs) apoptosis induced by H2O2.Methods H2O2 (1 mmol?L-1) was used to induce VSMCs apoptosis.The VSMCs were treated with probucol(100,10,1 ?mol?L-1) for 6 hours.For the evaluation of apoptosis,Annexin V-FITC staining,Hoechest33258 staining and the TUNEL assay were used.The expressions of ASK-1 and Trx-1 were detected by Western blot analysis.Results H2O2 could promote the apoptosis of VSMCs,increase the expression of ASK-1 and decrease the expression of Trx-1.Probucol could attenuate the apoptosis induced by H2O2 in a dose-dependent,down-regulate ASK-1 expression and increase Trx-1 expression.Conclusion Probucol can antagonize the apoptosis of VSMCs induced by H2O2.The mechanism may be correlated with a decreased expression of ASK-1 and an increased expression of Trx-1.