Objective To investigate the T cell clonality in patients with systemic lupus erythematosus (SLE) . Methods T cell clonality in peripheral blood lymphocytes from six patients with active SLE was analyzed using reverse transcriptase- polymerase chain reaction (RT- PCR) and GeneScan technique. Results T cell receptor (TCR) Vβ PCR products from two patients were derived from polyclonal T cells, however, TCR Vβ9, Vβ2, VβI, Vβ2 pioducts from the other four patients were derived from oligoclonal T cells respectively.ConclusionT cells from patients with SLE demonstrated a striking oligoclnality and their clonal expansion may be a specific response driven by autoantigens.

Itraconazole has potent anticancer activity at the standard therapeutic doses,which is proved in vitro and in vivo preclinical studies,even in active clinical trials.The precise mode of action of itraconazole for its anticancer activity has not been elucidated,however multiple putative mechanisms are proposed,such as anti-angiogenesis,inhibition of Hedgehog pathway,autophagy induction and reversal of multi-drug resistance.Its high efficacy,known toxicity and well-estabhshed pharmacokinetics make this generic drug a strong candidate for repurposing as an oncological treatment.

Objective To study the chemical constituents from the roots of Dryopteris championii.Methods The compounds were isolated by column chromatography with Sephadex LH-20 and silica gel and preparative thin layer chromatography.The structures of the compounds were identified by physico-chemical properties and spectral evidence.Results Ten compounds were identified as aspidin-BB (Ⅰ), aspidin-AB (Ⅱ), aemulin-BB (Ⅲ), methylene-bis-desaspidinol (Ⅳ), pseudo-aspidinol B (Ⅴ), methyl-phlor-butyrophenon (Ⅵ), desaspidinol (Ⅶ), hop-22(29)-ene (Ⅷ), ?-sitosterol (Ⅸ), and (E)-3-nonacosene-2-ketone (Ⅹ).Conclusion Compound Ⅰ-Ⅳ, Ⅵ and Ⅶ are isolated from this plant for the first time.Antitumor effects of aspidin-BB are investigated.

Objective To observe the efficacy and safety profile of three-year treatment of HAART in 43 Hemophilia patients co-infected with HIV and HCV. Methods 43 hemophilia patients co-infected HIV and HCV were treated with HAART for 3 years. CD4、 CD3、 CD8 and NK cell counts of the patients were detected by FCM, and the viral load in the plasma was detected with FDA recommended bDNA method. Results The average CD4 count of the 43 patients increased to 257/mm3 (P

The investigation on the leaves of Morus alba L. was carried out to find the relationship of the constituents and the pharmacological activities. The isolation and purification were performed by various chromatographies such as silica gel, Sephadex LH-20, RP-C18 column chromatography and so on. Further detailed investigation on the fraction of the ethanol extract of leaves of Morus alba yielded four Diels-Alder type adducts mulberrofuran F1 (1), mulberrofuran F (2), chalcomoracin (3), kuwanon J (4), together with two chalcones morachalcone A (5), isobavachalcone (6), and three flavones norartocarpetin (7), kuwanon C (8), 6-geranylapigenin (9). Their structures were elucidated by the spectral analysis such as NMR, MS etc. Compounds 1, 6 were isolated from this plant for the first time, compounds 4-5, 7-9 were isolated from the leaves of Morus alba L. for the first time, among which 1 was a new compound. Compounds 1-5 were evaluated for the cytotoxicity against A549, Be17402, BGC823, HCT-8 and A2780 cell lines in vitro by MTT method, but only compounds 1-3 showed cytotoxicity against several human cancer cell lines.

AIM: To investigate the expression and the significance of β-catenin and Cyclin D1 in gliomas. METHODS: The SABC immunohistochemistry were used to detect the expression of β-catenin and Cyclin D1 in 49 brain gliomas and 5 normal brain tissues. RESULTS: The β-catenin positive ratio in normal brain tissues and glioma samples are 2/5 and 38/49(P<0.01) respectively, and the Cyclin D1 positive ratio in normal brain tissues and gliomas are 1/5 and 42/49(P<0.01); Compared with the normal brain tissue, both the immunohistochemical expression of β-catenin and Cyclin D1 were up-regulated(P<0.05), and the expression of β-catenin and Cyclin D1 between the normal brain tissues and gliomas exhibited significantly difference (P<0.01). CONCLUSION: β-catenin and Cyclin D1 increased in gliomas may be precipitate the tumorigenesis of glioma.

Objective To study the chemical constituents from the aerial parts of Anabasis aphylla.Methods The chemical constituents were isolated and purified by silica gel column and Sephadex LH-20 column chromatography.Spectroscopic methods such as MS and NMR spectra were used for the structural identification.Results A new caffeate ester, named eicosyl-(Z)-caffeate (1), along with fourteen known compounds was isolated from the EtOAc part.Conclusion Compound 1 is a new compound and compounds 2-13 are isolated from the plants of Anabasis L.for the first time.

Objective To study the chemical constituents from the fruiting bodies of Ganoderma tsugae. Methods To isolate the compounds by silica gel and Sephadex LH-20 column chromatography and to elucidate their structures by means of spectral analyses. Results Eight triterpenoids were obtained from EtOAc fraction of EtOH extract and identified as ganoderiol A (Ⅰ), ganodermanontriol (Ⅱ), ganodermatriol (Ⅲ), ganoderic acid C (Ⅳ), ganoderic acid A (Ⅴ), lucidone A (Ⅵ), lucidenic acid C (Ⅶ), and lucidenic acid LM1 (Ⅷ). Conclusion Compounds Ⅰ-Ⅷ are all isolated from G. tsugae for the first time.

Objective To investigate the distribution of human papillomavirus (HPV) type 16 in women cervical infection in eastern Guangzhou, polymorphism of E6/E7 gene and association of gene dosage with disease progression. Methods Flow-through hybridization and gene chips were applied in HPV sub-type identification to screen out HPV-16 positive samples from cervical epithelium samples. HPV-16 E6/E7 gene was amplified through PCR with specific primers. The PCR products were cloned into pMD18-T vectors and fragments were determined through sequencing. Polymorphism analysis were performed through align-ment tools. Fluorescence quantitive PCR were used for the detection of viral E6 gene and L1 gene. Results Thirty-six (4.5%) HPV-16 positive samples were screened out through flow-through hybridization from 806 cervical epithelium samples. HSIL and above happened in 18 (50.0%) of the 36 HPV-16 positive patients. Within E6/E7 gene sequences from 7 selected samples, we found 15 sites with variances and 8 of them would cause coding amino acid change. HIL group (A, 11 cases) and LSIL group (B, 14 cases) possess significantly different gene dosage of both viral E6 gene and LI gene (P <0.05). The ratios of L1/E6 be-tween the 2 groups was not significantly different(P=0.19). Conclusion HPV-16 cervical infection oc-curs in 4.5% women (17-62 years old) in eastern Guangzhou. HIL or above accompany with half of the HPV 16 infected women. Viral load is probably associated with cervical HSIL, though L1/E6 ratios do not suggest viral integration.

The investigation on the chemical constituents of Anabasis aphylla L. was carried out by using various chromatographies, such as silica gel, Sephadex LH-20 and RP-C18 column chromatography. Further detailed investigation on the fraction of the ethanol extract of Anabasis aphylla L. yielded one new compound p-acetyl-phenol 1-O-beta-D-xylopyranosyl-(1-->2)-beta-D-glucopyranoside (1), together with five known compounds: piceine (2), isorhamnetin (3), quercetin (4), rutin (5) and isorhamnetin-3-rutinoside (6). Their structures were elucidated by spectral analysis such as NMR and MS. Among these compounds, compounds 2-6 were isolated from this plant for the first time.