2.Relationship between polymorphism of cytochrome P450 2C19 and clinical response to clopidogrel
Clinical Medicine of China 2015;31(8):711-715
Objective To discuss the relationships of the genotype of cytochrome P450 2C19 (CYP2C19) gene and and clopidogrel responsiveness.Methods The study enrolled 110 patients with acute myocardial infarction who were treated with clopidogrel in Tiantan Hospital of Beijing from November 2012 to May 2014.Patients were treated by aspirin and clopidogrel.CYP2C19 polymorphisms were detected by genotype testing kits.Platelet inhibition rates were measured by thrombelastography to represent the antiplatelet effect of clopidogrel.The platelet inhibition rates of clopidogrel were compared among different genotypes.Results Compared with carriers of CYP2C19 * 2 or * 3 reduced-function allele,CYP2C19 * 1 wild type had higher platelet inhibition rate of clopidogrel ((35.73 ± 19.29)% vs.(48.30± 20.84)%),and the difference was significant(t =3.264,P<0.05).There was no difference between intermediate metabolizer((35.72± 19.27)%) and poor metabolizer((35.75±19.89)%;P>0.05).The frequency of wild-type homozygotes CYP2C19 * 1/* 1 was higher in responders than in low responders(frequency of low reaction group CYP2C19 * 1/* 1 14 cases (40.0%),* 1/.2 10 cases(28.6%),* 1/* 3 4 cases(11.4%),* 2/* 2 5 cases(14.3%),* 2/* 3 2 cases (5.7%),frequency of reaction group were 45 cases (60.0%),15 cases (20.0%),4 cases (5.3 %),7 cases (9.3%),4 cases(5.3%);x2 =3.838,P =0.05).Conclusion Polymorphism of gene CYP2C19 is associated with different responses to clopidogrel.CYP2C19 * 2/ * 3 reduced-function allele is associated with low response to clopidogrel.
3.Essence of professor SHI Xin-de's experience in application of persicae ramulus-associated prescriptions.
China Journal of Chinese Materia Medica 2014;39(13):2569-2572
Persicae Ramulus decoction, as the first prescription in Treatise on febrile Diseases, has been recommended by physicians of successive generations. It is also the general prescription for harmonizing yingfen and weifen, yin and yang, qi and blood. Although it only consists of five herbal medicines, it has a wider range of application and more categorized formulas than other prescriptions. Though Persicae Ramulus decoction was originally formulated to treat taiyang apoplexy, it has functions beyond the treatment of exopathic diseases. This formula is also effective in treating internal diseases, surgical diseases, gynecologic diseases, paediatric diseases, etc. KE Yun-bo praised it as the No. 1 formula among ZHANG Zhong-jin's formulas as well as the general prescription for harmonizing Yin and Yang, yingfen and weifen, resolving fleshy exterior and inducing perspiration. Professor SHI Xin-de has been expert at treating intractable diseases by using Persicae Ramulus-associated prescriptions, such as Xiaojianzhong decoction and Baohe pill for children's chronic eczema, Persicae Ramulus and Puerariae Lobatae Radix decoction and Yupingfeng powder for chronic nephritis, and Persicae Ramulus and Longgu Muli decoction for insomnia. Instead of being restricted to Chinese or Western disease names, he prescribed appropriate formulas according to syndromes, thereby achieving a good efficacy.
Adult
;
Child
;
Drug Combinations
;
Drug Prescriptions
;
Drugs, Chinese Herbal
;
administration & dosage
;
Eczema
;
drug therapy
;
Female
;
Humans
;
Male
;
Middle Aged
;
Renal Insufficiency, Chronic
;
drug therapy
;
Sleep Initiation and Maintenance Disorders
;
drug therapy
4.An analysis of Clinic, CT and MRI in 150 child patients with cerebral palsy
Journal of Applied Clinical Pediatrics 1993;0(Z1):-
Objective To search for the CT and MRI morphological changes in the child patients with cerebral palsy. Method The CT scranning and MRI were carried out in 150 child patients with cerebral palsy, andthe results were analysed. Results In 150 cases, 97 cases (54.6 per cent) have abnormal findings of CT scranning. Diffuse ence-phalatrophy (42 cases), encephalomalacia focus (24 cases) porencephaly (9 cases), and localized ence-phalatrophy (7 cases) ect are the common CT morphological changes in the patients with cerebral palsy.In the 53 patients with normal findings of CT scranning, MRI was carried out for 30 cases and 25 cases(83.3 per cent) were abnormal. The delayed myelinogeny of white matter of brain is the main MRI mor-phalogical abnormality. Conclusion CT scranning and MRI have important value on the etiological diagnosis for child patientswith cerebral palsy. The combination of them can improve the diagnostic accordance rate.
7.Research progresses on the pathogenesis of bacterial biofilm in chronic rhinosinusitis.
Jing DU ; Chunyuan ZHAO ; Xin WANG
Journal of Clinical Otorhinolaryngology Head and Neck Surgery 2013;27(8):446-448
The role of bacterial biofilms in the chronic diseases has been recognized more and more. The experts in the centers for disease control and prevention of the United States estimate that 65% of human bacterial infection is involved with the biofilms. In the recent study. it has been proved that there is a high correlation between the bacterial biofilm and the pathogenesis and prognosis of chronic rhinosinusitis(CRS). In order to elucidate the role of bacteria films in the pathogenesis of CRS, we reviewed various method of testing the bacterial biofilms in CRS, and summarized the related researches. Based on the detection researches and summaries, we conclude that bacterial biofilm can contribute to the continuance and development (diffusion and repeated) of CRS. It can lead to the continuous inflammation by influencing the immune system of the mucous membrane. While there is little research on the bacterial biofilm. Further researches will be needed for the exact mechanism of the bacterial biofilm in CRS. in order to find more effective therapeutic method and targets.
Biofilms
;
Chronic Disease
;
Humans
;
Sinusitis
;
microbiology
;
pathology
8.Effect of Cognition Training on Aphasia after Stroke
Xin DAI ; Jilai LI ; Jichen DU
Chinese Journal of Rehabilitation Theory and Practice 2011;17(1):66-67
ObjectiveTo study the effect of the cognition training on aphasia after stroke. Methods60 patients with aphasia and cognition functional impairment after stroke were divided into 2 groups. The control group received comprehensive treatment, including speech therapy, while the treatment group accepted cognitive functional training in addition. They were assessed with the Loewenstein Occupational Therapy Cognitive Assessment Battery (LOTCA) and China Rehabilitation Research Center Aphasia Examination (CRRCAE) before and after training. ResultsThe scores of LOTCA (P<0.05) and the CRRCAE (P<0.0001) improved in treatment group compared with the control group after training. ConclusionThe cognition functional training above the aphasia functional training facilitates the recovery of aphasia in patients with aphasia and cognition disorder after stroke.
10.EFFECTS OF ANGIOTENSIN Ⅱ AND ALDOSTERONE ON COLLAGEN METABOLISM OF CULTURED CARDIAC FIBROBLASTS
Xin DU ; Guizhu DAI ; Zongchen FENG
Medical Journal of Chinese People's Liberation Army 2001;26(1):64-66
To explore the influence of angiotensinⅡ(AngⅡ) and aldosterone (Ald) on synthesis of collagen and activity of precollagenase secreted by cardiac fibroblasts.Sirus Red method was employed to evaluate collagen synthesis of cultured cardiac fibroblasts; typeⅠ collagen was measured by competitive ELISA; collagenase activity was tested by fluorescence spectrophotometry.At the doses of 10-9~10-7mol/L, AngⅡ could enhance gross and typeⅠ collagen production in a dose-dependent manner. Collagenase activity decreased with increasing concentration of AngⅡ. These effects of AngⅡcould be completely abolished by its receptor antagonist, saralasin. Ald might enhance gross and typeⅠ collagen production only at a higher concentration (10-7~10-8mol/L), whereas lower concentration (10-9mol/L) had no effect on it. These effects of Ald could be abolished by spironolactone,a specific Ald receptor antagonist. In addition, Ald could significantly decrease the activity of collagenase secreted from cultured cardiac fiboblasts at concentrations of 10-9~10-7mol/L within 24h,which could not be antagonized by 10-6mol/L spironolactone. The results suggested that AngⅡand Ald enhance cardiac fibroblasts collagen synthesis and inhibit collagenase activity ,resulting in net collagen accumulation resulted and acceleration of cardiac fibrosis.