Objective To investigate the impact of triptolide (TP) on proliferation and apoptosis of imatanib resistant CML cell (K562/G01) and its regulating effect on Wnt/β3-catenin signal pathway.Methods A series of 10,20,40,and 80 nmol/L of triptolide were used in CML cells K562/G01 for 12,24,and 48 hours.The cell proliferation was detected with methyl thiazolyl tetrazolium (MTT) test.The apoptosis was assessed with flow cytometry (FCM).The mRNA expressions of breakpoint cluster region-c-abl (BCR-ABL),β-catenin and its down-stream targets Lef-1,and cyclinD1 were analyzed with real-time quantitative polymerase chain reaction (RT-PCR),respectively.Results Triptolide significantly inhibited K562/G01 cell growth ability and induced apoptosis in a dose-dependent manner.Mter being treated with 20,40 nmol/L TP for 24 hours,the cell growth inhibition rates were (22.62 ± 1.33) ％,and (51.41 ±1.39) ％,respectively.The late apuptosis rates were (6.91 ± 0.14) ％,and (7.64 ± 0.47) ％,respectively.Meanwhile,PCR data showed that the mRNA levels of BCR-ABL were decreased,compared to the control group,the mRNA levels of β-catenin,Lef-1,and cyclinD1 were also decreased obviously after treatment.Conclusions Our data indicated that the triptolide could inhibit the proliferation and induce the apoptosis of K562/G01,and the mechanism might be related to the blockade of Wnt/β-catenin signal pathway.

Scapulohumeral periarthritis,alternate name‘lujianfeng’or‘jianlingzheng’,is a common disease among the old.Balance acupuncture is a science of modern acupuncture based on the traditional theory of Chinese medicine.In order to sum up the references regarding the clinical treatment features and experimental study of balance acupuncture on scapulohumeral periarthritis in the past few decades.The review shows that as a new modern acupuncture method,balance acupuncture treating scapulohumeral periarthritis is worth to master,popularize to develop and innovate.

This paper mainly introduces the material composition and structure of two kinds of compound tabletop which currently used in large medical imaging equipment, also introduces the proper material choosing and production processing, together with the advantage and shortage of this two kinds of tabletop and different application occasion.
Construction Materials ; Diagnostic Imaging ; instrumentation ; Durable Medical Equipment

PET-CT is the only current medical imaging technology to provide both metabolic and morphologic information in anatomical configuration mode,with high sensitivity and non-invasion.As one of the optimal measures in tumor diagnosis and therapy,abnormally-increased FDG uptake of some subtypes therefore makes an increasing application of PET-CT in lymphoma.The progress of PET-CT in lymphoma will be summarized in this paper based on the reports from the 58th American Society of Hematology Annual Meeting.

Transforming growth factor β(TGF-β)superfamily ligands play an important role in regulating cellular homeostasis including proliferation,differentiation,apoptosis,immune sur-veillance and angiogenesis.Type Ⅲ TGF-βreceptor (TβRⅢ) is considered to be the coreceptor of TGF-βsuperfamily.TβRⅢnot only has an effect on classical Smad signaling pathway,but also on non-Smad signaling pathway.TβRⅢplays a crucial role in fibrosis,tumor,cardiovascular diseases via mediating kinds of signaling pathways.This paper reviews TβRⅢ mediated sig-naling pathway and its role in fibrotic diseases.

G protein- coupled receptors (GPCRs), also known as seven- transmembrane domain receptors, constitute the largest superfamily of cell surface receptors. By coupling to heterotrimeric G proteins, arrestins and other signaling molecules, GPCRs modulate diverse signal transduction pathways under physiological and pathological conditions. Recent studies have revealed crucial roles of GPCRs in tumorigenesis and development of cancer metastasis. This review summarizes roles of GPCRs, particularly the roles of those coupled to chemokines, prostaglandin, lysophosphatidic acid, endothelin, catecholamine and angiotensin in proliferation, invasion, metastasis and angiogenesis of hepatoma cells and development of hepatocellular carcinoma. The potential of GPCRs- based therapeutics being used for hepatocellular carcinoma is also highlighted.

Objective To explore the positive distribution characteristics and analyse the correlation of common food allergen-specific immunoglobulin E (sIgE) with suspected food allergy in the First Affiliated Hospital of Guangzhou Medical University.Methods Using fluorescence enzyme-linked immunosorbent assay to detect the serum sIgE antibody of 854 patients,including 7 kinds of food allergens (milk,egg white,egg yolk,shrimp,crab,peanut and soybean) from July 2006 to January 2013.Data were processed by statistical software SPSS19.0.Results The positive rates of the 7 kinds of food allergen were 39.3％ (283/720),36.3％ (216/595),9.8％ (28/285),21.2％ (36/170),24.3％ (17/70),14.8％ (9/61) and 10.0％ (5/50).Two hundred and eighty-two patients were detected egg white and egg yolk sIgE,the positive rate of egg white sIgE 59.6％ (168/282) was much higher than the egg yolk sIgE 9.2％ (26/282).The positive rate of the milk and egg white sIgE were different between the age groups and decreased with the age(milk:x2 =792.88;egg white:x2 =658.21,P ＜ 0.01).The degree in level 4 or above of milk and egg white sIgE were 1.08％ (2/186) and 1.12％ (2/178) in positive patients.Five hundred and twenty-eight patients were detected milk and egg white sIgE,26.9％ (142/528) were both positive,sIgE levels in serum of them was moderately correlated (rs =0.758,P ＜ 0.01).Serum sIgE of shrimp and crab was detected in 64 patients,16 cases was positive of the shrimp,17 cases of the crab was positive,both positive in 16 cases,sIgE levels in serum of them were highly correlated (rs =0.973,P ＜0.01).In the simultaneous detection of 34 patients' serum sIgE of peanut and soybean,peanut was positive in 4 cases,soybean was positive in 3 cases,both positive in 2 cases,sIgE levels in serum of them were highly correlated (rs =0.879,P ＜ 0.01).Conclusions Egg white is the major allergen of egg allergy.The correlations of shrimp and crab,peanut and soybean are extremely high,probably because of their homology; egg white and milk are not homologous food,but the levels of sIgE between them display a moderately correlation,indicating the existing of synergistic reaction.

Objective To enhance the awareness of diagnose and treatment of venous thrombus in premature infants. MethodsThe clinical features, treatment and prognosis of lower limb vein thrombus in three case of premature infants were retrospectively analyzed.ResultsThree premature infants of gestational age 29-36 weeks were found thrombosis in 1-57 days after birth. One case received peripherally inserted central cathete (PICC). All of three cases had infection signs and trauma. One case received thrombolytic and anticoagulant therapy, one case received high dose thrombolytic therapy, and both of them were treated successfully without bleeding complication. However, another case was deteriorated after giving up treatment.ConclusionsCritically ill premature infants are at high risk of thrombosis. Infection, indwelling tube, thrombophilia constitution, and maternal risk factors were the high risk factors of thrombosis. Early detection, early diagnosis, and effective individualized treatment can improve the prognosis.

Objective To investigate the types and distributions of allergens, and the responsiveness to these allergens SIgE and tIgE as related to allergic disorders in patients with allergies in Guangdong. Methods Serum samples were obtained from patients with allergic disorders (n = 7 144) who visited our hospital between 2009 and 2014. The sera were subjected to analysis of 15 common allergens. Results The positive rates of sIgE and tIgE were 62.4%and 54.6%, respectively. Dermatophagoides pteronyssinus(Der p) had the highest prevalence of aeroallergen-specific IgE and milk the highest prevalence of food allergen-specific IgE. Other aeroallergens and food allergens produced mild responses except Der p and Der f. The sensitization peak of Der p and Der f appeared at the age of 10 to 12 years. The sensitization peak of milk appeared at the age of less than 3 years and that of eggs did at the aged of 4 to 6 years. The averaged tIgE positive rate went up with the increase in the number of allergen sensitization. Conclusion Der p, Der f, milk and eggs are major sensitizers responsible for common allergic disorders in Guangdong. Knowledge concerning allergen characteristics at various age groups may be helpful for early diagnosis and intervention for allergies.

Objective To investigate the role of molecular allergen diagnosis in respiratory allergic diseases, and measure the prevalence and the allergen molecular mapping of the asthma and allergic rhinitic patients.Methods Totally 80 cases of asthma or allergic rhinitis patients with two or more inhaled allergens from First Affiliated Hospital of Guangzhou Medical University during 2013 January to 2014 December were tested for serum specific immunoglobulin E ( sIgE ) against 112 allergen components by ImmunoCAP ISAC.Results About 78.8% ( 63/80 ) patients is three or more allergen components sensitization, the most prevalence allergen components were house dust mites′Der f 1 67.5%(54/80), Der f 2 66.2%(53/80), Der p 1 and Der p 2 were 63.8%(51/80) and 61.2%(49/80), Der p 10 was only 12.5%(10/80), follewed by Fel d 1 22.5%(18/80), Cyn d 1 16.2%(13/80), Phl p 4 15.0%(12/80), Pen m 1,Pla a 2,Jug r 2 and Can f 1were all 11.2%(9/80), Lep d 2, Blo t 5, Bla g 7 and Ani s 3 10.0%(8/80).Other allergen components positive rates were low.Conclusions Molecular allergen diagnosis can provide more comprehensive diagnostic information for allergic patients, by providing allergen map.Allergen microarray can discover the neglected allergens such as bermuda grass, timothy grass and plane tree pollen allergens in southen China.