Objective To study the influence of artifical liver support system (ALSS) on bone marrow stem cell (BMSC) differentiation factors in patients with chronic severe hepatitis B.Methods Fifty patients with chronic severe hepatitis B were divided into ALSS treatment group (n=25) and control group (n=25).The patients in control group received combined medical treatment and those in ALSS treatment group received ALSS treatment within 1 week of admission on the basis of combined medical treatment.The concentrations of hepatocyte growth factor(HGF),fibroblast growth factor-4 (FGF-4),epidermal growth factor (EGF) and basic fibroblast growth factor (bFGF) were detected before and 2 weeks after therapy.The data were analyzed by t test.Results The serum levels of HGF,FGF-4,EGF and bFGF of patients before ALSS treatment in treatment group were (689.10± 337.68) ng/L,(124.88±87.67) ng/L,(323.85±44.40) ng/L and (9.29± 1.38) ng/L,respectively; while the levels of those cytokines after ALSS treatment were (1081.50±356.66) ng/L,(110.76±79.71) ng/L,(347.80±71.73) ng/L and (9.57±1.15) ng/L,respectively,among which HGF level increased significantly after ALSS treatment (t =10.042,P＜0.01) and was higher than control group(t=6.670,P＜0.01).However,the levels of HGF,FGF-4,EGF and bFGF were not significantly different from those in the control group.And levels of all HGF,FGF-4,EGF and bFGF in control group were not statistically different before and after treatment.ConclusionALSS treatment can increase the serum HGF level but not FGF-4,EGF and bFGF,which may contribute to BMSC transdifferentiation that is involved in the hepatocyte repair and regeneration in chronic severe hepatitis B.

Objective To investigate the expression of NAP in patients with acute myeloid leukemia (AML). Methods Expression of NAP of peripheral blood was assessed by flow cytometry. The serum levels of G-CSF, NE and IL-18 in 53 patients with AML and 50 healthy controls were examined by ELISA. Results The expression of NAP in AML patients [1 159(563 ~ 2 033)AB/c] was decreased than that of healthy controls [1 862 (1 345 ~ 2 382)AB/c], (P < 0.05). The serum levels of G-CSF, NE and IL-8 from AML patients [34.36 (25.17 ~ 47.24) ng/L, 397.56 (324.63 ~ 563.84) pg/mL, 585.34 (403.61 ~ 866.54) pg/mL] were significantly lower than those of healthy controls[54.52(46.27 ~ 77.14) ng/L, 689.74(496.78 ~ 899.14) pg/mL, 832.36(625.17 ~ 998.24) pg/mL] (P < 0.05). The expression of NAP in AML patients was positively correlated with the serum level of G-CSF (r = 0.621, P = 0.007). Conclusions The decreased expression of NAP, G-CSF, NE and IL-8 in the peripheral blood with AML could speculated that neutrophils immune function in patients with AML was restrained.

The distribution of journals, cooperated papers, authors and their affiliated institutions, fund-supported papers, and subjects in 305 papers published in 17 core journals of stomatology since their establishment with their citation frequencies ≤40 were analyzed in an attempt to provide reference for the editorial departments of journals in their topic selection , manuscripts review and solicitation .

Histiocytosis, Langerhans-Cell ; Humans ; Infant ; Male ; Temporal Bone ; pathology

Objective To investigate the changing characteristics of muscle mass by dual energy X-ray absorptiometry (DEXA) in middle aged and elderly people with different ages.Methods This study included 343 healthy people aged 50-89 years (178 males and 165 females).Subjects were divided into 4 groups:aged 50-59,60-69,70-79,and 80-89 years group.Fat-free body mass (FFM),the appendicular lean body mass (aLM),trunk lean mass (tLM) were measured by DEXA.The aLM/body weight (Wt％) and aLM index (ASMI) were calculated by DEXA.Results The tLM in both gender was decreased in aged 80-89 years group than in aged 50-59 years group [male (10.6± 1.8) kg vs.(18.4±2.9) kg,female (7.1±1.2) kg vs.(14.8±2.1) kg,F=5.7 and 7.8,P＜ 0.01].The average ASMI in both gender was decreased in aged 70-79 and 80-89 years groups than in aged 50-59 years groups [male (5.5±0.4) kg/m2,(4.9±0.7) kg/m2 vs.(6.1±0.5) kg/m2,female (4.3±0.4) kg/m2,(3.9±0.5) kg/m2 vs.(4.8±0.6) kg/m2,F=24.9 and 9.6,both P＜0.01].The quality of muscle mass was decreased with aging in the elderly.Conclusions Ageing is an important risk factor for sarcopenia in the elderly.DEXA can be used to evaluate the muscle mass in middle aged and the elderly,and ASMI can be used as a reliable measurement index.

ObjectiveTo investigate the effect of neoadjuvant chemotherapy in locally advanced cervical cancer on cell cycle,proliferation,and evaluate the feasibility of proportion of cell in different phase 　and proliferating cell nuclear antigen(PCNA) as sensitive indices to assess chemotherapeutical sensitivity and therapeutical effect.MethodsForty-nine cases of locally advanced cervical cancer were divided into response group and no-response group according to the clinical efficacy of neoadjuvant chemotherapy.Compared the proportion of cell in different phase and proliferation index of PCNA between two groups.The clinical therapeutic effect was evaluated after 4 weeks in the second neoadjuvant chemotherapy regimen.Results In 49 patients with locally advanced cervical cancer,clinical effective of 39 cases (response group),no effective of 10 cases(no-response group).The S-phase proportion of cell in the pre-neoadjuvant chemotherapy and post-neoadjuvant chemotherapy of response group[ (21.47 ± 5.21 )％ and(18.32 ±5.07)％] were higher than those of no-response group [ (9.63 ± 2.58)％ and ( 10.14 ± 2.32)％ ] (P ＜ 0.05 ).The proliferation index of PCNA of cervical cancer in the pre-neoadjuvant chemotherapy of response group [ ( 81.67 ± 7.14)％ ] was higher than that of no-response group [ (66.99 ± 2.29 )％ ] (P ＜ 0.05 ).Conclusion The S-phase proportion of cell and proliferation index of PCNA in the pre-neoadjuvant chemotherapy are important indexes to assess chemotherapeutical sensitivity and therapeutical effect.

Neomangiferin, a natural C-glucosyl xanthone, has recently received a great deal of attention due to its multiple biological activities. In this study, a rapid and sensitive ultra-high performance liquid chroma-tography tandem mass spectrometry (UHPLC–MS/MS) method for the quantification of neomangiferin in rat plasma was developed. Using chloramphenicol as an internal standard (IS), plasma samples were subjected to a direct protein precipitation process using methanol (containing 0.05% formic acid). Quan-tification was performed by multiple reactions monitoring (MRM) method, with the transitions of the parent ions to the product ions of m/z 583.1-330.9 for NG and m/z 321.1-151.9 for IS. The assay was shown to be linear over the range of 0.2–400 ng/mL, with a lower limit of quantification of 0.2 ng/mL. Mean recovery of neomangiferin in plasma was in the range of 97.76%–101.94%. Relative standard deviations (RSDs) of intra-day and inter-day precision were both o 10%. The accuracy of the method ranged from 94.20%to 108.72%. This method was successfully applied to pharmacokinetic study of neomangiferin after intravenous (2 mg/kg) and intragastric (10 mg/kg) administration for the first time. The oral absolute bioavailability of neomangiferin was estimated to be 0.53%7 0.08%with an elimination half-life (t1/2) value of 2.74 7 0.92 h, indicating its poor absorption and/or strong metabolism in vivo.

Objective To investigate the feasibility of differentiating human umbilical cord blood stem cells into hepatocytes. Methods Thirty-six BALB/c nude mice were randomly divided into experimental group and control group(18 in each of the group), and experimental group was again randomly divided into group A, B and C (six in each of the group). The mice in experimental group and control group were exposed to 350 cGy radiation produced by 60Co. After 3 h, karyocytes at different concentrations in the fresh human umbilical cord blood were injected into the mice in experimental group A, B, C via their tail veins, and the equal volume of normal sodium (NS) was also injected into control group via tail veins. After one month, carbon tetrachloride (CCl4) was injected into experimental group A, B and control group via abdominal cavity, and the equal volume of normal sodium was injected into experimental group C. After two months, immunohistochemistry and reverse transcriptase polymerase chain reaction (RT-PCR) were used to detect the expressions of human cytokeratin-18 (CK18), cytokeratin-19 (CK19) and albumin (ALB) in liver tissues of all mice. Results The expressions of CK18, CK19 and ALB in injured liver tissues were all positive, and the expressions of experimental group B were higher than those of experimental group A (P

Based on literature research and data analysis, the current development situations of the large comprehensive hospitals in the underdeveloped area were analyzed objectively.In addition, with the practical situation of Guangxi, the article did not only elaborate the necessity of establishing a research oriented hospital, but also the way for the construction of research oriented hospital in the underdeveloped area.

AIM: To investigate the effects of fluvas-tatin on expression of intercellular adhesion molecule-1 after myocardial ischemia-reperfusion in rabbits with hyper-lipidemia. METHODS: 30 rabbits which were gastric perfusion administered intralipid were randomly divided into 3 groups ( n - 10 in each) : IR ( ischemia-reperfusion) group, S (sham-operation) group and F (fluvastatin 10 mg?kg-1 ) group. Electrocardiography and cardiac function were recorded during the experiment. At the end of reperfusion, ischemic area and infarct size were defined by Evans blue and triphenyltetrazolium chloride staining. The expression of ICAM-1 in myocardium was measuredby RT-PCR. RESULTS: After ischemia-reperfusion, the expression of ICAM-1 mRNA in myocardial and infarct size decreased and cardiac function significantly improved in F group compared with IR group. CONCLUSION: The increase of expression of ICAM-1 mRNA in myocardial may be one of the important factors in inducing myocardial ischemia-reperfusion injury. The myocardial protective mechanism of fluvastatin maybe attribute to its effect on decreasing the expression of ICAM-1 mRNA in myocardial .