Thioredoxin(TRx) is a kind of endogenous protein which widely distributes in prokaryotic and eukaryotic cells.It possesses two vicinal cysteine residues at the active site and therefore can provide strong reducing activity and catalyze the reduction of protein-protein disulfides effectively.In addition,TRx plays a vital role in regulating intracellular redox homeostasis.Recent studies showed that TRx is muhifunctional and has a protective effect on the occurrence and development of a variety of human diseases including ocular diseases,such as age-related cataract,choroidal neovascularization,retinal diseases and optic nerve diseases,etc..Many researchers assessed the protective effect of TRx on ocular diseases in recent years.The progress in the relationship of TRx with eye diseases was reviewed in this article.

Objective To discuss the influence of systematic nursing on cancer related fatigue and life quality of patients with breast cancer during perioperative period.Methods 197 patients in our hospital with breast cancer were randomly divided into the experimental group (99 cases)and the control group (98 cases)from November 2010 to December 2011.The experimental group was given systematic nursing method and the control group received traditional nursing.After treatment,the influence of nursing intervention on cancer related fatigue and QOL were compared between two groups.Results The score of QOL was(92.1±1.6)after nursing in the experimental group,higher than before systematic nursing and the control group.The severity of cancer related fatigue in the experimental group was apparently lower than before nursing intervention and that in the control group.There was significant difference.Conclusions The systematic nursing can reduce the level of perioperative cancer related fatigue and improve the life quality for the patients with breast cancer,so it can be widely used in clinic.

Idiopathic thrombocytopenic purpura(ITP),which is the most common acquired hemorrhagic disease in childhood period,is also called immune thrombocytopenia because it is an immune-mediated disorder characterized by isolated thrombocytopehia.In recent years,the diagnosis and treatment of ITP has been dramatically improved,and some consensuses concerning the staging,symptom scoring,treatment indications and prognosis have been achieved.This article reviews the pathogenesis,epidemiology,symptom scoring,staging,grading of severity,treatment and prognosis evaluation of ITP in children.

Specific fusion genes of leukemia are currently the main biomakers for minimal residual disease (MRD)monitoring. Recent studys have found that the WT1, PRAME, ERG genes may be the potential acute leukemia related molecules, and can be used to monitor acute myeloid leukemia's MRD, directing clinical stratified therapy and estimating prognosis. This article reviews the pathogenesis, incidence of these genes and the relationship to the clinical prognosis.

Objective:To study the clinical characteristics of retinoblastoma in children.Methods:To analyze the age,sexuality,symptom,the accompaniment of symptom and the diagnostic feature of 53 retinoblastoma cases.Results:The average diagnostic age was two years and three months.There was no obvious sex difference.The principal first symptom of 24 cases was leukocoria,11 cases was strabismus,8 cases was big cornea or muddy cornea,6 cases was exophthalmos,1 case was nystagmus,2 cases was anterior chamber bleeding,and 1 case with health examination.It was significantly higher in single eye(85%) than in both eyes(15%).Conclusion:More and more people recognize the importance of eye health care,and the average diagnostic age becomes younger.The principal first symptom remains "galeamaurosis".The clinical characteristics of retinoblastoma in children are diversified?concealed?puzzling and easy to make missed diagnosis.

Based on the main body's definition of philosophy,the article points out that patients are the main body of clinic activities.It also analyzes patients'main status in the performance of clinic activities and in the medical countermeasure.The concluson is that a harmonious relationship between doctors and patients should be composed from bi-main bodies characteristic of the clinic activities.

The expansion of high-containment bio-defense laboratory in USA is introduced in such aspects as the increase of laboratory magnitude,amplification of laboratory area and the funding growth of the United States National Institutes of Health(NIH).In addition,a series of problems caused by the expansion are analyzed in the perspective of the biosafety training,information exchange of laboratory and public participation.

AIM: To observe the alterations of matrix metalloproteinases (MMPs) and TIMPs (the inhibitor of MMPs) and to study the influence of a new endothelin receptor antagonist CPU 0213 on MMPs mRNA and TIMPs mRNA in rats with hypertrophic myocardium induced by L thyroxin (L thy). METHODS: Male Sprague Dawley rats were randomly divided into three groups and sc administrated suspension of L thy ( 0.4 mg?kg -1 ?d -1 ) for consecutive 10 d except for normal group. On the 7th day, the rats treated with L thy were given CPU 0213(ig, 100 mg ? kg -1 ?d -1 ) for 3 d . The whole collagen content in myocardium was measured. Relative LV myocardial mRNA levels of MMPs (MMP 2, MMP 9) and tissue inhibitor (TIMP 1, TIMP 2) were detected with semi quantitative RT PCR. RESUITS: The whole collagen content in myocardium induced by L thy decreased but it increased in the group CPU 0213. The expression of MMPs (MMP 2, MMP 9) mRNA was downregulated in L thy group and the expression of TIMPs mRNA was upregulated in L thy group markedly. Treated with CPU 0213, the expressions of MMP 9 and TIMP 1 mRNA were downregulated, whereas the expression of MMP 2 mRNA coming from CPU 0213 group tended to upregulate. But there was no statistical significance among these groups. CONCLUSION: CPU 0213 can inhibit the expression of MMPs and increase collagen content, which can improve heart function.

Invasion and metastasis are critical determinants on cancer morbidity.Genes and molecules participating in these steps have been demonstrated as potential prognostic factors.Growth factors and their receptors,cell-cycle regulators,cell-adhesion molecules and m trix-degrading enzymes are potentially used as prognostic factors.However,increased understandings for molecular mechanisms underlying carcinogenesis and its implementation in the treatment of gastric cancers have recently been focused on the development and incorporation of targeted agents with chemotherapy.

OBJECTIVE: To introduce and analyze the present status of research on decomposed recipes of traditional Chinese medicine (TCM). METHODS: The relevant literature on the study of the decomposed recipes of TCM in the past five years was collected and analyzed. RESULTS AND CONCLUSION: Studies on the decomposed recipes of TCM have been made from the whole body level to the organ, cell and molecular research level. The pharmacological research in vitro is the main way and quantitative changes of the chemical ingredients have been measured before and after composition. It is very important to combine the modern science and technology in exploring the composing mechanisms of TCM remedies.