HIV and AIDS remain as the crucial global health concern, therefore, research and development of novel anti-HIV-1 chemical therapeutics is still of paramount significance, which may be illuminated by cases of successful marketed drugs. Herein, we document the discovery and biological profile of new anti-HIV-1 drugs approved by FDA between 2005 and 2008 and some drug candidates are also discussed.

Objective To explore the relationship between parent hostility and adolescent externalizing behavior problems and the mediating role of parenting.Methods The cross-sectional data of 4474 adolescent aged 10-21 of the National Survey of Adolescent Mental Health in China (2008) was used.Adolescents reported their externalizing problems and parents' parenting.Parents reported their hostile behaviors.Results ① Parent hostility((9.18 ± 3.56),(8.94 ± 3.18)) significantly correlated with monitoring,inductive reasoning,harshness of parenting(father(3.39 ± 1.16),(3.21 ± 1.02),(1.39 ± 0.62) respectively,r =-0.108 ～ 0.489,P ＜ 0.01 ;mother (3.96 ± 0.97),(3.38 ± 0.96),(1.37 ± 0.60) respectively,r =-0.148 ～ 0.468,P ＜ 0.01) ; and both parent hostility and parenting were significantly associated with adolescent externalizing problems (0.23 ± 0.21) (r =-0.308 ～ 0.577,P ＜ 0.01).②Parental monitoring,inductive reasoning and harshness discipline partially mediated the relations between parent hostility and adolescent externalizing problems (Z =6.12,5.10,6.36,P ＜ 0.01 ; Z =5.86,6.97,11.84,P ＜ 0.01).Conclusion Parenting partially mediated the effect between parent hostility and adolescent externalizing problems.

Protein tyrosine phosphatase (PTP) 1B is a potential target for the treatment of diabetes and obesity. We have previously identified the benzoyl sulfathiazole derivative II as a non-competitive PTP1B inhibitor with in vivo insulin sensitizing effects. Preliminary SAR study on this compound series has been carried out herein, and thirteen new compounds have been designed and synthesized. Among them, compound 10 exhibited potent inhibition against human recombinant PTP1B with the IC50 value of 3.97 micromol x L(-1), and is comparable to that of compound II.

Objective To analyze the characteristics of TCM syndromes of children abnormal sweating;To investigate the correlation between diseases and primary and secondary syndromes. Methods Through a multi-center epidemiology investigation, 400 cases were collected to statistically analyze the five TCM syndromes of children abnormal sweating, and characteristics of each syndrome were analyzed. Results In the 400 cases of children abnormal sweating, there were 129 cases (32.25%) of dysfunction of lung-wei pattern, 50 cases (12.50%) of nutrient qi and defensive qi discordance, 84 cases (21.00%) of qi and yin deficiency pattern, 57 cases (14.25%) of dampness heat forced steamed pattern, and 80 cases (20.00%) of qi and yang deficiency pattern. Spontaneous sweating and night sweating were found in the four patterns besides qi and yin deficiency pattern, and night sweating can be mainly found in qi and yin deficiency. Each type is consistent in the syndrome differentiation and cluster analysis. Conclusion Spontaneous sweating and night sweating, each has the certification of yin and yang. Spontaneous sweating can be caused by yin deficiency while night sweating can be caused by yang deficiency. Each pattern of children abnormal sweating has its own syndrome characteristic, which can provide the basis for clinical diagnosis and treatment.

The parthenogenetic embryonic stem cells (pESCs) derived from parthenogenetic embryos have the totipotency and proliferation capacity similar to those of the fertilized embryonic stem cells (fESCs). Therefore, the establishment of pESCs line avoids destroy of embryo and kence may make pESCs less concerns with political and ethical issues. These cells are characterized by their histocompatibility with the oocyte donor and therefore is more suitable for cell and tissue replacement therapy. In addition, because of the typical imprinting status, pESCs also provide a valuable in vitro model system for studying the molecular mechanisms in genomic imprinting.
Animals ; Embryonic Stem Cells ; cytology ; Female ; Gene Expression Profiling ; methods ; Gene Expression Regulation, Developmental ; genetics ; physiology ; Genomic Imprinting ; Histocompatibility ; Parthenogenesis ; genetics ; physiology ; Pluripotent Stem Cells ; cytology

Objective To detect the immune effect of FbaAmAb2 against the surface protein of group A Straptococcus (GAS),and explore the pathogenesis and therapy of GAS infections.Methods By subclonal and bacterial ELISA,the positive hybridoma cells were screened that can produce better titers of FbaAmAb2 against GAS-surface FbaA protein,and were injected into the peritoneal cavities of BALB/c mice to produce ascites.The collected ascites were performed to dilute,as follows,original ascite,1:2,1:4,1:8,and 1:16 to test tube agglutination.Based on the results,we selected appropriate dilution to passively immunize mice,and then challenged the mice with GAS,evaluating FbaAmAb2 neutralizing ability with GAS in mice by the survival rate of the immunized mice.Whether FbaAmAb2 could inhibit the binding of factor H to GAS was confirmed by the invasive inhibition assay.Results The IgG titer of bacteria solution ELISA is 1:160 and the titer of tube agglutination is 1∶8.The protect rates of FbaAmAb2 on preventing mice with GAS infections are as follows:66.67％ in original ascite and 1:2 diluted groups,and 50％ in 1:4 diluted group.Mice in each experimental group were evoked significantly protective immune responses compared with the PBS control by SPSS analysis.FbaAmAb2 can competitively inhibit factor H binding to the surface proteins FbaA of GAS,which decreased the entry of GAS into the cytoplasm of human epithelial cells through the binding of factor H.Conclusion FbaAmAb2 is promising to be used in emergent prevention or the clinical therapy for GAS infection and it is promising starting points for pharmacologic targeting and further development of new therapeutic agents for GAS.

Objective To explore the diagnostic value of magnetic resonance diffusion weighted imaging(DWI),3D time of flight magnetic resonance angiography(3D-TOF MRA),and 3D arterial spin labeled MR perfusion imaging(3D-ASL)in the senile ischemic cerebrovascular diseases.Methods Ninety patients with acute cerebral infarction and 69 with transient ischemic attack were retrospectively analyzed based on data of DWI,3DTOF MRA and 3D-ASL MRI.Additionally,60 healthy individuals were recruited as a control group.SPSS 21.0 statistical software was used.Results In 90 acute cerebral infarction(ACI)group,the 3D-ASL MRI showed hypoperfusion in 85 patients,hyperperfusion in 2 patients,and no apparently perfusion abnormality in 3 patients.In 85 hypoperfusion patients,the average hypoperfusion area showed by 3D-ASL MRI was(2 543±1 133)mm2,which was higher than the area of high signal in DWI(817±413) mm2 (P＜0.01),with ASL＞DWI in 83 cases and ASL≈DWI in 2 cases.In 69 transient ischemic attack patients,25 patients had artery stenosis and abnormal ASL,11 patients had artery stenosis and normal ASL,17 patients had normal vascular and abnormal ASL,15 had normal vascular and normal ASL.The accuracy,sensitivity,specificity,positive predictive value,and negative predictive value were higher in 3D-TOF MRA combined with 3D-ASL than in their individual inspection(x2=10.35,P＜0.01,P＜0.05),and the rates of missed diagnosis and misdiagnosis were lower in 3D-TOF MRA combined with 3D-ASL than in their individual inspection (x2 =4.93,P ＜ 0.05).Conclusions ASL,MRA,and DWI can =reflect the different characteristics of the senile ischemic cerebrovascular diseases,and should be used as the standard sequence in geriatric neurology to provide more comprehensive information for the diagnosis and treatment of senile ischemic cerebrovascular disease.

Objective To investigate the clinicopathological characteristics, differential diagnosis and biological features of natural killer (NK)/T cell lymphoma in nasal cavity. Methods The data of 17 cases of nasal NK/T-cell lymphoma from Department of Pathology in the Affiliated Hospital of Yangzhou University between September 2007 and July 2017 were collected. Pathologic analysis including clinical symptoms, pathomorphism and immunophenotyping was performed, and the literatures were also analyzed. Results The clinical symptoms of the patients with nasal NK/T cell lymphoma were not obvious, which were accompanied by nasal congestion,runny nose,and blood in the runny nose.Pathologic examination showed obvious necrosis and inflammatory background of different levels. There were allotypic lymphocytes in the inflammatory background, nuclear irregular distortion or folding, unapparent nucleoli and visible nuclear fission, tumor cell growth for the center with blood vessels resulting in invasion and damage to blood vessels, in which normal lymphocytes,plasma cells and tissue cells could be seen.CD3,CD43,CD56,TIA-1,granzyme B,perforin and other markers were expressed in the tumor cells, and EB virus in situ hybridization was positive. Conclusions Nasal NK/T cell lymphoma is rare,with high incidence of invasive tumor, high recurrence rate, poor prognosis and easy misdiagnosis, which needs immunohistochemistry for differential diagnosis. Treatment is mainly based on radiotherapy and chemotherapy.

The "quality-oriented education" is closely integrated with the problem-based learning(PBL) teaching mode. In the teaching of Technologies for Microbial Detection course, the PBL teaching mode is the carrier, the student is the host, and the brainstorm guides the students to conduct "dialectical thinking", so as to cultivate the students' "innovation", "social morality" and "self-learning ability". We choose the interactive platform of "WeChat" and "MosoInk WebSite" to make up for the deficiency of PBL teaching in the large class, and comprehensively assess students' knowledge and skills, humanistic quality, and value judgment.

Objective:To study the value of sound touch elastography (STE) linear combined with ultrasound score (US) in the diagnosis of chronic hepatitis B (CHB) liver fibrosis, and to investigate whether their combination can improve the diagnostic efficiency of subdividing the degree of CHB liver fibrosis. Furthermore, a comparison with STE linear combined with the serological model was performed to seek the optimal linear combination model.Methods:A total of 313 subjects were enrolled from September 2018 to December 2021 in Shenzhen Third People′s Hospital Affiliated to Guangdong Medical University, including 259 patients with CHB who had completed liver biopsy and 54 healthy volunteers. CHB patients were divided into liver fibrosis group (F1-F4 group) according to METAVIR classification standard, and healthy volunteers were used as the control group. All subjects underwent liver ultrasound examination, STE and blood biochemical indexes of liver function. The US was performed according to the liver ultrasound examination, and the liver stiffness measurement (LSM) was measured by STE, aspartate aminotransferase and platelet ratio index (APRI) was calculated by blood biochemical index. Fisher discriminant analysis was used to establish the linear combination (LC) diagnostic marker of US and LSM, and the linear combination (LC2) diagnostic marker of LSM and APRI, successively. Spearman rank correlation coefficient was used to analyze the correlations between US, LSM, APRI, LC2, LC and pathological results. The ROC curves of US, LSM, APRI, LC2 and LC for diagnosing CHB liver fibrosis were plotted, and the diagnostic efficiency of above diagnostic markers was evaluated according to the accuracy, sensitivity, specificity and area under the ROC curve (AUC).Results:The formula for the linear combination of US and LSM was LC=0.986 0×US+ 0.166 7×LSM, and LC was highly positively correlated with pathological findings ( rs=0.851, P<0.001), higher than US, LSM, LC2 and APRI ( rs=0.825, 0.775, 0.802, 0.586, all P<0.001). LC showed the best diagnostic efficiency. The AUCs for diagnosing ≥F1, ≥F2, ≥F3 liver fibrosis and =F4 cirrhosis were 0.945, 0.911, 0.954, 0.955, respectively, which superior to the AUCs of US (0.913, 0.879, 0.934 and 0.916, respectively), the AUCs of LSM (0.860, 0.871, 0.934 and 0.952, respectively) and the AUCs of LC2(0.899, 0.883, 0.941, 0.946, respectively). Compared with US, the AUC of LC diagnosis of ≥F1, ≥F2, ≥F3 liver fibrosis and =F4 cirrhosis increased by 3.2%, 3.2%, 2.0% and 3.9%, respectively, with all significant differences ( P<0.05). Compared with LSM, the AUC of LC increased by 8.5%, 4.0%, 2.0% and 0.3%, respectively, with significant difference ( P<0.05) except for stage =F4 cirrhosis.Compared with LC2, the AUC of LC increased by 4.6%, 2.8%, 1.3% and 0.9%, respectively, and there were significant differences in the diagnosis of ≥F1 and ≥F2 liver fibrosis ( P<0.05). Moreover, the overall efficiency of LC2 was not significantly improved than LSM, the difference was not significant ( P>0.05). Conclusions:US, LSM, LC2 and LC can be used to diagnose the degree of CHB liver fibrosis, but LC is better than US or LSM and LC2 alone, especially in the subdivision of mild liver fibrosis, which is a promising new diagnostic marker to subdivide the degree of CHB liver fibrosis.