Chromogranin A (CGA) has been considered as the most useful indicator of neuroendocrine activity.It is the precursor of many biologically active peptides produced by proteolytic cleavage,which play their roles in a large variety of patterns in different tissue.Clinically,CGA is of diagnostic and evaluation value in several diseases.The protein structure,biological and physiological functions as well as the clinical significance of CGA are reviewed in this article.

Objective To translate Parents' Perception of Uncertainty Scale (PPUS) into Chinese,analyze and selected items,and then test the reliability and validity of the Chinese version of PPUS initially.Methods 210 parents of hospitalized children were recruited for the investigation.Frequency analysis,dispersion degree analysis,correlation analysis and so on were applied to analyze and select items.Internal consistency test,Pearson correlation analysis and exploratory factor analysis etc.were applied to test reliability and validity of the scale.Results The final Chinese version of PPUS contained 28 items.The Cronbach α and parity split-half reliability coefficients were 0.844 and 0.835; The Cronbach α coefficient of 4 dimensions ranged from 0.537 to 0.770.The item-total scale correlation coefficient ranged from 0.300 to 0.737.Item-dimension correlation coefficients ranged from 0.376 to 0.762.Item-other dimension correlation coefficients ranged from 0.028 to 0.514.Dimension-total scale correlation coefficients ranged from 0.480 to 0.863 and those between dimensions ranged from 0.226 to 0.536.In the content validity assessed by experts,I-CVI ranged from 0.75 to 1.00,S-CVI/Ave was 0.928.Four-factor model was performed in the principal component analysis and they explained for 41.401％ variances.The maximum factor loading of all items were higher than 0.3,and most of items had adequate loadings in related dimensions.Conclusions Chinese version of PPUS had appropriate reliability and validity as an assessment tool for parental uncertainty in illness of hospitalized children' parents.

AIM: To choose the proper excipient for molding process of Tongluo Mini-Pill (Radix Astragali,Radix Augelicae sinensis,Flos longicerae Japonicae,etc) and couplet its production. METHODS: A variety of excipients properties such as fluidity,solubility and dissolution were compared to select and determine the processing parameters of rotary perlletizer. RESULTS: Recommendation was made applying processing parameters that 10% PEG_ 2000 ,10% PEG_ 2000 or 10% gum arabic used for excipient,pelletizer had a rotational velosity of 100 rpm.pressure of 0.04 Mpa and feeding rate of 1200 g?min -1 . CONCLUSION:Selection of excipients is a key to make Tonglu Mini-Pill.

Objective To study the protective effects of the total bakkenolides from P .tricholobus on high altitude hy-poxia .Method Normobaric hypoxia model and acute hypobaric hypoxia model in mice ,hypobaric hypoxia model in rats were established for this study .Survival time and survival rate of mice were recorded .The level of blood sugar and glycogen ,adeno-sine triphosphate (ATP) ,lactic acid (LD) ,lactic dehydrogenase (LDH) were detected in different organs of rats .Results The total bakkenolides significantly prolonged the survival time of mice in normobaric hypoxia model and reduced the death rate of mice in acute hypobaric hypoxia model .The total bakkenolides suppressed blood sugar level in rats and increased the glyco-gen level in rat liver ,skeletal muscle and myocardium .It also elevated the ATP content in rat brain ,liver ,skeletal muscle and myocardium .Meanwhile ,the content of LD in plasma ,skeletal muscle ,myocardium and LDH level in myocardium were re-duced .Conclusion The total bakkenolides from P .tricholobus have protective effect on normobaric hypoxia model and acute hypobaric hypoxia model in mice as well as hypobaric hypoxia model in rats .Its anti-hypoxia efficacy at high altitude may relate to the increased blood sugar ,glycogen ,and ATP level and reduced LD ,LDH level in major organs .

Acute necrotizing encephalopathy (ANE) is a rare but distinctive acute encephalopathy with global distribution.It usually begins with a virus-associated febrile illness, which deteriorates rapidly, and leading to convulsion, unconsciousness and even coma.The neuroradiologic features of ANE are multi-focal and symmetrical brain lesions, involving bilateral thalamus.ANE has no specific treatment method at present.The majority of ANE patients are accompanied with varying degrees of neurological sequelae, and even death.In this review, we summarized the epidemiology, diagnosis and prognosis of this rare but fatal disease in children.

Over the past decade, the management model of cancer patients has gradually shifted to individual mode based on molecular mutation detection. Epidermal growth factor receptor (EGFR) gene mutation is an important driving factor in non-small cell lung cancer (NSCLC). Compared with traditional chemotherapy, EGFR-targeted therapy shows significant safety and efficacy. However, not all patients with EGFR mutations are eligible for EGFR-targeted therapy, and different types of mutations often indicate different clinical outcomes, such as the sensitive mutations EGFR 19-Del, L858R, and the resistance mutation. In addition, the third-generation TKI drugs Osimertinib (AZD9291) and Rociletinib (CO-1686) have been developed to further benefit patients with primary TKI resistance caused by T790M mutation of EGFR. Therefore, detection of the EGFR mutation status of patients before treatment, and continuously monitoring the mutation of drug resistance genes during the treatment process is useful for the management of targeted drugs in NSCLC patients. In recent years, the rapid development of "liquid biopsy" technology has made it possible to use non-invasive methods to monitor drug resistance mutations in real time. In this paper, we reviewed the clinical application of various non-invasive detection techniques for EGFR mutations in NSCLC in different liquid samples.
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Animals ; Antineoplastic Agents ; administration & dosage ; Carcinoma, Non-Small-Cell Lung ; drug therapy ; genetics ; metabolism ; DNA Mutational Analysis ; methods ; ErbB Receptors ; genetics ; metabolism ; Humans ; Lung Neoplasms ; drug therapy ; genetics ; metabolism ; Mutation

Objective: To understand the effect of pregnancyrelated anxiety on preschool childrens executive functions(EFs) and gender difference in order to optimize the early development environment of offspring life. Methods: This study was based on the ChinaAnhui Birth Cohort Study. Pregnant women from Maternal and Child Health Care Hospital in Maanshan, Anhui province between October 2008 and October 2010 were recruited. The general information of pregnant women and the pregnancyrelated anxiety were collected prospectively in the first trimester of pregnancy. A cohort of 3 556 children aged 3-5 were followed up and their basic characteristics were collected. Executive function of preschool children was assessed by Behavior Rating Inventory of Executive FunctionPreschool Version(BRIEF) (parent version). Results: In boys, compared with the control group, pregnancyrelated anxiety in the first trimester of pregnancy was associated with the risk of abnormality in working memory, planning/organization and GEC[OR(95%CI)=1.40(1.06-1.85), 1.64(1.06-2.54), 1.89(1.27-2.82)]. Anxiety in the both trimesters of pregnancy was associated with the risk of abnormality in inhibition, working memory, planning/organization and GEC[OR(95%CI)=2.60(1.45-4.67), 2.45(1.69-3.57), 2.23(1.28-3.88), 3.27(2.03-5.28)]. In girls, pregnancyrelated anxiety in the first trimester of pregnancy was associated with the risk of abnormality in inhibition and working memory[OR(95%CI)=1.79(1.13-2.83), 1.45(1.07-1.98)]. Anxiety in the third trimester of pregnancy was associated with the risk of abnormality in inhibition[OR(95%CI)=2.26(1.17-4.38)]. Anxiety in both trimesters of pregnancy was associated with the risk of abnormality in inhibition and working memory[OR(95%CI)=2.45(1.40-4.28), 2.02(1.35-3.01)]. Conclusion Pregnancyrelated anxiety significantly affected the executive function of preschool children, and there was a significant doseresponse relationship. Pregnancyrelated anxiety primarily affects working memory, planning/organization and GEC function in boys, and the working memory, inhibition function in girls.