1.Antitumor activity and immunoregulatory effect of triterpenes isolated from betulaplatyphylla
Wei LI ; Yah LI ; Xiongjie JIN
Chinese Journal of Immunology 2000;16(9):485-487
To study the antitumor activity and immunoregulatory effect of Triterpenes isolated from Betula Platyphylla (TBP)Methods: Inhihition rate (IR) on tumor growth was determined by the mice with transplantable tumors (melanoma B16, Sarcoma 180, Lewislung carcinoma and Ehrlich ascites cancer), splenocyte proliferation induced by ConA was measured by H-TdR incorporation; cytotoxicity ofmacrophage was observed by 3H-TdR release; activity of TNF and NK cell was determined by dye (natural red)release. Results: IR of 0.80 g/kg and 1.20 g/kg TBP on all of above tumor strains were greater than30% in vivo. TBPdoes not show significant effect of splenocyte Prolifera-tion and NK cell activity, but significantly promoted the activity of TNF producted by macroghage and splenocyte. TBP also increase the cyto-toxicity of macrophage. Conclusion:TBP shows potent antitumor effect in vivo. Promoting nonspecific immunoactivity is one of the antitumormechanism of TBP.
2.Clinical analysis of intravitreal injection of Conbercept combined with 532-laser treating Coats disease in adulthood
Li, JIANG ; Jin, LI ; Wei, PENG
International Eye Science 2017;17(7):1356-1358
AIM: To analyze clinical observation and the efficiency of intravitreal conbercept combined with 532-laser on Coats disease in adulthood.METHODS: This was an retrospective analysis.Six eyes from 6 patients(5 males and 1 female) with coats disease diagnosed by fundus fluorescein angiography (FFA) and optical coherence tomography (OCT) were enrolled.Before the injection, best-corrected visual acuity (BCVA) of early treatment of diabetic retinopathy study (ETDRS), non-contact tonometer, ophthalmoscope, fundus photography, FFA, and OCT were examined.The initial average visual acuity (ETDRS letters) were 51.17±15.15.The initial average central retina thickness (CRT) was 303.30±107.87μm.All affected eyes were treated with intravitreal conbercept 0.05mL (10mg/mL) combined with 532-laser.Patients were followed up for 6 to 12mo, with a mean duration of 7.33±1.26mo.Post-treatment BCVA were compared with baseline using repeat analysis.RESULTS: The mean BCVA showed significant improvement during 1 wk, 1, 3mo post-treatment and the latest follow up (P<0.01).During the latest follow up, the mean BCVA was obviously improved in 3 eyes (50%), improved in 2 eyes (40%), stable in 1 eyes (10%).Likewise, the subretina fluid absorption of different levels.No adverse events such as secondary retinal detachment or endophthalmitis were found during the follow-up.CONCLUSION: Coats disease in adulthood more likely to have lower symptom and have a better response on treatment.Intravitreal conbercept combined with 532-laser significantly improve visual acuity and absorb the subretina fluid.
3.Quality control of Longshen Buyi Granule
Wei CAI ; Bo JIN ; Wei LI ; Haodong LI
Chinese Traditional Patent Medicine 1992;0(10):-
AIM: To establish a quality control for Longshen Buyi Granule(Radix et Rhizoma Ginseng,Radix Panacis Quinquefolii,Radix Astragali,etc.. METHODS: Ingredients of Radix Ginseng,Radix Panacis quinquefolii,Fructus Corni,Fructus Ligustri lucidi,Radix Ophiopogonis,Pericarpium Cirri reticulatae,Radix Glycyrrhizae were identified by TLC,and astragaloside IV in the granule was determined by HPLC-ELSD. RESULTS: The spots in the TLC were clear and distinguished well.The linear range was within(0.333 8)-10.680 0 ?g(R=0.999 1).The average recovery was 99.42%,and the RSD was 2.00%. CONCLUSION: This method can be used for quality control of Longshen Buyi Granule.
4.Fragile histidine triad transcription abnormalities and human papillomavirus16 infection in human cervical carcinoma
Journal of Xi'an Jiaotong University(Medical Sciences) 1981;0(02):-
Objective To evaluate the relationship between fragile histidine triad(FHIT) transcription abnormalities and HPV16 infection and human cervical tumorigenesis.Methods Total RNA from 5 cervical carcinoma cell lines(SiHa,HeLa,RJC-1,CS1213 and C4-1),58 primary cervical cancer specimens and 18 normal cervical epithelial tissues were extracted and FHIT transcripts were characterized by a two-step(nested) reverse transcription(RT)-PCR.The seven of the PCR products with different size were purified and sequenced.HPV16 infection was assessed by PCR.Results ① There were altered FHIT transcripts in SiHa,HeLa and C4-1 cells.Aberrant FHIT transcripts were detected in 39 out of the 58 cervical cancer samples(67.2%),but none out of 18 in the normal cervix tissue specimens(0%);HPV16 infections were identified in 37 of the 58 cervical cancer tissues(63.8%),but 1 in the 18 normal cervical epithelial tissues(5%),which showed a significant difference between these two groups(P0.05).③ The exon 5 and exon 6 were mainly deleted in the altered FHIT transcripts and no insertion and point mutation were found by DNA sequencing.Conclusion Aberrant FHIT expression was significantly common in cervical cancers and was correlated with HPV16 infection.These findings suggest that the tumor suppressor gene FHIT and high risk HPV16 may play a very important role in human cervical carcinogenesis.
5.The development of MR k-space technique research.
Wei JIN ; Longchen WANG ; Bin LI
Chinese Journal of Medical Instrumentation 2014;38(1):54-56
This article briefly summarized conventional k-space technique, partial k-space sampling and key hole technique, then introduced the latest applications during these years.
Magnetic Resonance Imaging
6.Changes of serum adiponectin and insulin like growth factor-1 in neonates with hypoxic-ischemic encephalopathy and their clinical significances
Wei LI ; Youpeng JIN ; Zhengyun SUN
Journal of Clinical Pediatrics 2014;(9):829-832
Objective To explore the changes and clinical value of serum insulin like growth factor-1 (IGF-1) and adiponectin in newborns with hypoxic ischemic encephalopathy (HIE). Methods Fifty-two HIE newborns were recruited in this study, including 15 severe, 20 moderate and 17 mild HIE newborns. Twenty healthy newborns were selected as controls. Serum levels of IGF-1 and adiponectin were detected 3-to-5 days (acute period) and 10-to-14 days (recovery period) after birth. Results Serum levels of IGF-1 and adiponectin in the acute period differed signiifcantly among groups of different severity (P<0.05). Serum levels of IGF-1 and adiponectin were decreased with the increase of HIE severity. The level of adiponectin in moderate and severe HIE was lower than that in mild HIE (P<0.05). In recovery period, the level of IGF-1 in severe HIE was lower than that in control (P<0.05). Serum levels of IGF-1 and adiponectin in the acute period was positivity correlated with those in umbilical cord blood of HIE newborns (r=0.531, r=0.611, P<0.01). Conclusions Decreased levels of IGF-l and adiponectin in HIE newborns are correlated with the pathological process of HIE, and can be regarded as indices for severity of HIE. IGF-l and adiponectin is of signiifcance in the clinical diagnosis and prognosis of HIE.
7.Maternal thyrotoxicosis in the first trimester: a clinical analysis of 150 cases
Shunbin LI ; Yueping JIN ; Wei QIU
Chinese Journal of General Practitioners 2016;15(1):47-50
Clinical data of 150 pregnant women,who were confirmed with maternal thyrotoxicosis during January 2010 to January 2014,including 104 cases of gestational transient thyrotoxicosis (GTT) and 46 cases of Graves disease (GD),were retrospectively analyzed;65 normal pregnant women served as controls.Patients with GD had lower body mass index (BMI) than those with GTF and normal controls [(18 ± 5),(20 ± 4) and (22 ± 4) kg/m2,respectively,P < 0.05].The frequency of thyrotoxic history and hyperthyroidism symptoms in GD patients were significantly higher than that in GTT patients [33% (15/46) vs.3% (3/104) and 52% (24/46) vs.15% (16/104),respectively,both P <0.01].In the first trimester,patients with GD presented lower TSH levels than those with GTT and controls(M =0.021,0.045and 1.660 mU/L,respectively,P < 0.05) and higher free T4 (FT4) (M =24.99 vs.19.99 pmol/L,P <0.05),free T3 (FT3) (7.10 vs.5.85 pmol/L,P < 0.05),thyroid peroxidase antibody (TPOAb) (99.22vs.4.54 kU/L,P < 0.05) and thyrotrophin receptor antibody (TRAb) (5.28 vs.0.11 U/L,P < 0.05)levels than patients with GTT.In the second trimester,there were 67% (70/104) GTT patientsand 4% (2/46) GD patients had normal TSH;and FT4 returned to normal in 82% (85/104) GTT patientsand 17% (8/46) GD patients.In the third trimester,there were 100% (104/104) GTT patients and 9% (4/46)GD patients had normal TSH;and FT4 returned to normal in 100% (104/104) GTT patients and 48% (22/46)GD patients.
8.Detection of Extended-spectrum Beta-lactamases and Analysis of Antibiotics Resistance of Clinical Isolates from Pneumonia Patients
Chinese Journal of Nosocomiology 2006;0(08):-
0.05).Except imipenem and ampicillin,there was significant difference between the resistance of non-ESBLs-producing strains from CAP and from HAP to other eleven kinds of antibiotics(?2 test,P
9.Role of retrograde messenger NO in long-term potentiation
Basic & Clinical Medicine 2006;0(09):-
As an important messenger molecule, NO exists in both peripheral and central nervous system (CNS). Recently, NO was proved to play a critical role in CNS, especially in synaptic plasticity. As a kind of retrograde messenger, it plays some roles in the induction and maintenance of LTP through activation of downstream pathway or molecules, such as NO-cGMP-PKG, ADPRT and C-FOS.
10.Observing the effect of Xiaoyukang capsule on the treatment of limb fracture healing
Chinese Journal of Biochemical Pharmaceutics 2017;37(5):269-271
Objective To observe the effect of Xiaoyukang capsule on the treatment of limb fracture healing.Methods65 patients according to randomized double-blind were divided into two groups (n=33) and control group (n=32 patients), postoperative observation group Xiaoyukang capsule treatment, control group were not special treatment.At different time points in all patients visual analog scale (VAS score), fracture healing fracture line score and grade the degree of X-ray, using Elisa method of total osteocalcin and collagen type I amino-terminal extension of a peptide levels (TPINP) was measured analysis of two sets of data differences.ResultsThe patients in the observation group 3 days, 7 days after, 10 days after VAS scores were lower than the control group[(3.49±0.31) points vs.4.69±0.46 points](P<0.05);[(2.40±0.25) points vs.(3.54±0.35)points](P<0.05);(1.33±0.14) points than (2.42±0.27) points, P<0.05).Patients observed Group 8 weeks, 12 weeks, 16 weeks after the fracture line rates were higher (1.59±0.27 points than (1.01±0.21) points(P<0.05);(2.65±0.40) points than (1.96 ± 0.36)min, P<0.05;(3.45±0.46) points than (2.65 ± 0.41) points(P<0.05).③ patients after 8 weeks of observation group and TPINP water osteocalcin were higher (65.37±8.07)μg/L ratio(39.95±7.18)μg/L(P<0.05);[(81.05±6.89)ng /mL ratio of (39.95±7.18) μg/L] (P<0.05).④ observation group 8 weeks after fracture healing X-ray grade level 69.70% than the control group 37.50%, and the difference was significant (P<0.05).Conclusionlimb fracture patients after taking the capsules Xiaoyu relieve pain, regulate the body and osteocalcin levels TPINP to promote fracture healing.