Abstract：
:Free radicals in the gasphase of cigarette smoke were determined by spin trapping agent PBN (N-tert-butyl-2-phenyl nitrone) and DMPO (5,5-dimethyl-1-pyrroline-oxide) on electron spin resonance spectrometer. They were identified according to the spectrum parameters calculated from the spectra. The free radicals mainly consist of alkoxyl and alkyl free radicals, of which alkoxyl free radicals make up 60-70% of the total spectral components. These free radicals are very active and reactive. They can damage cells and lead to some diseases. This work points out the importance of scavenging the free radicals of cigarette smoke to prevent diseases caused by them.
journal_name
Chin Med J (Engl)journal_title
Chinese medical journalauthors
Zhao BL,Yan LJ,Hou JW,Xin WJkeywords:
subject
Has Abstractpub_date
1991-07-01 00:00:00pages
591-4issue
7eissn
0366-6999issn
2542-5641journal_volume
104pub_type
杂志文章abstract：OBJECTIVE:To investigate the correlation between glutathione S-transferase (GST) M1 and T1 genotypes and endometriosis risk (EM). METHODS:Polymerase chain reaction (PCR) technique was used to detect the presence or absence of the GSTM1 and GSTT1 genes in genomic DNA isolated from the blood samples of 68 Han Chinese wo...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2003-05-01 00:00:00
abstract：BACKGROUND:Lidocaine and ropivacaine are often combined in clinical practice to obtain a rapid onset and a prolonged duration of action. However, the systemic toxicity of their mixture at different concentrations is unclear. This study aimed to compare the systemic toxicity of the mixture of ropivacaine and lidocaine a...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2010-01-05 00:00:00
abstract：:The extent of participation and changes of glycophorins (GPs) and membrane proteins in the merozite-human erythrocyte interaction during the invasion of Plasmodium falciparum (Pf) were studied by immunoblotting techniques. Polyclonal antisera to alpha GP and to its C-terminal fragment (residues 82-131) as well as M an...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：1993-04-01 00:00:00
abstract：BACKGROUND:In many studies, obstructive sleep apnea (OSA) has been shown to be an independent risk factor for cardiovascular disease. Conversely, there are few reports establishing possible relation between OSA and venous thromboembolism (VTE). In this study, the aim is to evaluate OSA via polysomnography in patients w...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2012-10-01 00:00:00
abstract：BACKGROUND:Matrix metalloproteinase (MMP)-2 plays an important role in the remodeling of left ventricles (LVs) and right ventricles (RVs). We investigated the differences of MMP-2 expression between LV and RV in response to nandrolone decanoate (ND), swimming training (ST), and combined ND and ST (NS) in mice, based on...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：10.4103/0366-6999.222330
更新日期：2018-01-20 00:00:00
abstract：BACKGROUND:Thoracic endovascular aortic repair (TEVAR) is an emerging treatment modality, which has been rapidly embraced by clinicians treating thoracic aortic disease. However, the clinical manifestations of systemic inflammatory response after TEVAR as post-implantation syndrome (PIS) resemble the perioperative infe...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2014-01-01 00:00:00
abstract：OBJECTIVE:To study if the functions of C gene and its promotor are related to the pathogenesis of hepatitis B and to describe their hot spot mutations in Chinese patients. DATA SOURCES:We have studied this subject in recent years. A mini-review is based on some unpublished works. DATA SELECTION:The sequence data of C...
journal_title：Chinese medical journal
pub_type： 杂志文章,评审
doi：
更新日期：1999-02-01 00:00:00
abstract：BACKGROUND:The prognostic values of the coronary computed tomography angiography (CCTA) score for predicting future cardiovascular events have been previously demonstrated in numerous studies. However, few studies have used the rich information available from CCTA to detect functionally significant coronary lesions. We...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：10.4103/0366-6999.194636
更新日期：2016-12-05 00:00:00
abstract：OBJECTIVE:To assess whether Angiotensin II (Ang II) and carbon tetrachloride (CCl(4)) used in combination could accelerate the process of fibrosis and whether Ang II play a role in exagerating hepatic fibrosis in rats. METHODS:Ang II was injected into the abdominal cavity of Sprague-Dawley (SD) rats together with subc...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2003-01-01 00:00:00
abstract：:T-lymphocyte subsets, B-lymphocyte, immunoglobulins and complement were studied in 38 children with Henoch Schonlein Purpura (HSP) in the acute stage. They had significantly lower CD3 percentage and lymphocyte blastogenesis rate, greater CD8 variation coefficient and B-lymphocyte percentage and higher levels immunoglo...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：1989-07-01 00:00:00
abstract：OBJECTIVE:To study the mode of presentation, the tumor, nodes, metastasis (TNM) staging and the efficacy of multimodal treatment of breast cancer among Chinese women treated in Queen Mary Hospital. METHODS:The available records of all breast cancer patients treated between January 1980 and December 1994 were reviewed....
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：1997-06-01 00:00:00
abstract：BACKGROUND:First generation drug-eluting stents (DES) were associated with a high incidence of late stent thrombosis (ST), mainly due to delayed healing and re-endothelization by the durable polymer coating. This study sought to assess the safety and efficacy of the Nano polymer-free sirolimus-eluting stent (SES) in th...
journal_title：Chinese medical journal
pub_type： 杂志文章,随机对照试验
doi：
更新日期：2014-01-01 00:00:00
abstract：BACKGROUND:Intratracheal instillation of blood induces self-repaired acute lung injury. However, the mechanism of repair has been unclear. Heme-oxygenase (HO)-1, which catalyzes heme breakdown, acts as an inducible defense against oxidative stress and plays an important role in inflammation. The objective of this study...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2008-09-05 00:00:00
abstract：BACKGROUND:Mesenchymal stem or stromal cells (MSCs) derived from the induced pluripotent stem cells (iPSCs) have uniform biological activity, which makes the clinical application of MSCs in bone repair possible. Culturing the iPSC-MSCs onto osteoconductive materials is a promising tissue engineering-based strategy in b...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：10.1097/CM9.0000000000000612
更新日期：2020-02-05 00:00:00
abstract：BACKGROUND:The duration of viral shedding and the transmission of 2009 H1N1 influenza among individuals, especially among the younger population with mild illness, are not well understood now. The aim of this study was to determine the viral shedding of the young adult patients with mild 2009 H1N1 influenza in China. ...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2011-05-01 00:00:00
abstract：OBJECTIVE:To study the expression of vascular endothelial growth factor (VEGF) in different parts of heart during early acute myocardial ischemia. METHODS:The expression of VEGF in control and study group in rats was performed with the Strept Avidin-Biotin-Peroxidase Complex (SABC) method. RESULTS:A rapid expression ...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：1999-08-01 00:00:00
abstract：:The saliva samples from 13 patients with hepatocellular carcinoma and a control group of 21 random healthy adults were measured for alpha-fetoprotein (AFP), using a highly sensitive sandwich enzyme immunoassay specific for human AFP. In patients with hepatocellular carcinoma, significantly higher levels of saliva AFP ...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：1993-03-01 00:00:00
abstract：:Pleomorphic xanthoastrocytoma (PXA) is a rare benign tumor that is usually located in the superficial cerebral hemisphere. Most reports of PXAs have included only a single case or small series. Therefore, the data with respect to the natural history of this tumor are fragmentary. We report a case of a PXA in the unusu...
journal_title：Chinese medical journal
pub_type： 杂志文章,评审
doi：
更新日期：2012-01-01 00:00:00
abstract：:The recurrent rate of herpes simplex keratitis (HSK) was 4.17% after penetrating keratoplasty (PKP) was performed in 216 patients with HSK; the mean period of follow-up was 6.5 years. Immunohistochemical technique showed that HSV-1 antigens were present in the corneal stroma of rabbit eyes up to 45 days after primary ...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：1993-04-01 00:00:00
abstract：OBJECTIVE:To evaluate the human neuroblastoma SH-SY5Y cell line as an in vitro model of dopaminergic (DAergic) neurons for Parkinson's disease (PD) research and to determine the effect of differentiation on this cell model. DATA SOURCES:The data of this review were selected from the original reports and reviews relate...
journal_title：Chinese medical journal
pub_type： 杂志文章,评审
doi：
更新日期：2010-04-20 00:00:00
abstract：BACKGROUND:The present study was undertaken to replicate the associations of representative polymorphisms in three genes (complement factor H (CFH), complement factor B (BF) and HtrA serine peptidase 1 (HTRA1)) with exudative age-related macular degeneration (AMD) in a Han Chinese population, and to test if the modifia...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2008-12-20 00:00:00
abstract：BACKGROUND:Diabetes mellitus plays an important role in cancer prevalence and outcomes. The aim of this study was to evaluate the influence of DM on stages and outcomes among patients with colorectal cancer. METHODS:The study enrolled 945 patients who were diagnosed as having colorectal carcinoma from August 1994 to D...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2010-11-01 00:00:00
abstract：OBJECTIVE:To investigate the effect of L-arginine (L-arg) on early compensatory renal growth (CRG), tubulointerstitial accumulation of extracellular matrix (ECM), long term survival rate and renal scarring in rats with 5/6 nephrectomy (SNx). METHODS:The experiment included four groups of rats (n = 5 each group): (1) S...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2002-02-01 00:00:00
abstract：BACKGROUND:Donor organ rejection continues to be a significant problem for patients receiving transplants. We therefore tested whether transferring a donor's major histocompatibility complex (MHC) gene to the recipient would mitigate the rejection of transplanted hearts in mice. METHODS:H-2K(k) gene from donor mice wa...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2011-12-01 00:00:00
abstract：BACKGROUND:Patients with elevated admission glucose levels may be at increased risk of death after myocardial infarction, independent of other baseline risk factors and more severe coronary artery disease. However, data regarding admission glucose and epicardial and microvascular flow after primary angioplasty is limit...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2006-01-20 00:00:00
abstract：OBJECTIVES:To assess the feasibility and efficacy of eliciting leukemia-specific T-cell responses in syngeneic mice in vitro and in vivo using dendritic cells (DCs) pulsed with total RNA from leukemia cells. METHODS:DCs generated from bone marrow culture in vitro in the presence of combined cytokines were pulsed with ...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2003-11-01 00:00:00
abstract：Objective:Acute respiratory distress syndrome (ARDS) is an acute and lethal clinical syndrome that is characterized by the injury of alveolar epithelium, which impairs active fluid transport in the lung, and impedes the reabsorption of edema fluid from the alveolar space. This review aimed to discuss the role of pro-re...
journal_title：Chinese medical journal
pub_type： 杂志文章,评审
doi：10.4103/0366-6999.229890
更新日期：2018-04-20 00:00:00
abstract：OBJECTIVE:To evaluate the diagnosis and aggressive surgical approach for brainstem tumors. METHODS:A series of 24 adult patients with brainstem tumors were involved. Magnetic resonance (MR) imaging was performed on all patients. Surgical technique, potential risk and management of complications were described. RESULT...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：1997-02-01 00:00:00
abstract：BACKGROUND:This retrospective study aimed to investigate the difference of the intra-dural reserving space for spinal cord in magnetic resonance imaging (MRI) between patients with and without developmental cervical stenosis and its clinical significance. METHODS:A total of 264 patients with cervical spondylotic myelo...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2014-01-01 00:00:00
abstract：OBJECTIVE:To observe the immediate angiographic and intravascular ultrasound (IVUS) results and their effects on one month clinical outcomes in forty-one patients who submitted to coronary stent deployment with IVUS guidance. METHODS:All patients were allocated to coronary stent implantation with high inflation pressu...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2001-03-01 00:00:00
