Anti-angiogenesis is one of the important ways to control tumor growth and metastasis, and searching for anti-angiogenesis herbs targeting tumor angiogenesis has become a hot topic in both basic and clinical research for tumor. Utilizing the traditional Chinese medicine theory, authors of this article discussed the feasibility and research of anti-angiogenesis effect of Chinese medicine on tumor. To develop new drugs inhibiting tumor angiogenesis from the Chinese native herbal medicine has an extremely vital significance in blocking tumor invasion and metastasis, as well as improving the patients' prognosis and their survival rates.

BACKGROUND:The umbilical cord blood is rich in hematopoietic stem/progenitor cel s that have strong proliferation and differentiation ability as wel as ability to form colonies, and exert important roles in stimulating bone marrow function, improving blood cel viability and quantity, promoting immune cel maturation, and maintaining immune balance.
OBJECTIVE:To evaluate the clinical effects of autologous umbilical cord blood mononuclear cel transplantation on the immunologic function and prognosis for premature infants.
METHODS:Sixty-two preterm infants who entered into NICU immediately after birth, weighing ≤ 1 500 g, were divided into treatment group and control group according to parent’s wil ingness. In the treatment group, the umbilical cord blood was extracted from the umbilical vein and re-infused into the preterm infants after density gradient centrifugation within 4 hours. The cel ular immunity levels, humoral immunity levels and clinical parameters were monitored before and after treatment.
RESULTS AND CONCLUSION:After 1 week of treatment, the CD4, CD4/CD8 levels were significantly increased compared with the control group (P=0.01, 0.03), but CD8 level had no changes. At 1 week after treatment, IgM levels were both increased in the two groups, especial y in the control group (P=0.00);IgA levels had no changes;IgG levels were decreased, especial y in the control group (P=0.02). The incidence of severe infection during hospitalization was 13%in the treatment group, which was lower than the control group (16%), but there was no difference between the two groups. The proportion of infants undergoing mechanical ventilation and average length of stay had significant differences between the two groups (P<0.05). After 12 months, the incidence of recurrent respiratory tract infections was zero in the treatment group and one case in the control group, and there was a significant difference between the two groups. These findings indicate that autologous umbilical cord blood mononuclear cel transplantation can improve the immunologic function, slower the reduction of IgG levels, reduce the usage of breathing machine, shorten the length of stay, and reduce the incidence of recurrent respiratory tract infections in preterm infants.

Objective To investigate the clinical features,treatment and the causes of death in severe infectious disease complicated with capillary leak syndrome(CLS)in neonates.Methods The clinical data,laboratory finding,treatmand clinical outcome of 11 neonates who had severe infectious disease complicated with CLS in our NICU from Jan 2009 to Jul 2010 were collected and analysed retrospectively.Results Among the 11neonates,five had pneumonia and the other six had sepsis.All the 11 cases appeared progressive edema on skin and mucosa,dyspnoea,infective shock,oliguria and hypoalbuminemia(10～20 g/L).We treated the 11cases with hydroxyethyl starch(10～15 ml/kg,every 8 to 12 h)at early stage on the basis of infection control,anti-shock treatment,mechanical ventilation,symptomatic treatment and a stable internal environment.At last,6 cases were rescued,in whom 4 cases were well-developed,had normal intelligence and athletic ability,the other two cases had hydrocephalus or muscle tone high of both lower extremities.Five cases died.Conelusion CLS is a severe complication of neonatal severe infection,and had high mortality.Treating with hydroxvethvl starch at an early stage can increase the survival rate.

Background: Enteritis is one of the most frequently reported symptoms in piglets infected with porcine circovirus type 2 (PCV2), but the immunopathogenesis has not been reported. Objectives: This study examined the effect of a PCV2 infection on the intestinal mucosal immune function through morphological observations and immune-related molecular detection. Methods: Morphological changes within the ileum of piglets during a PCV2 infection were observed. The expression of the related-molecules was analyzed using a gene chip. The immunocyte subsets were analyzed by flow cytometry. The secretory immunoglobulin A (SIgA) content was analyzed by enzyme-linked immunosorbent assay. Results: The PCV2 infection caused ileal villus damage, intestinal epithelial cells exfoliation, and an increase in lymphocytes in the lamina propria at 21 days post-infection.Differentially expressed genes occurred in the defense response, inflammatory response, and the complement and coagulation cascade reactions. Most of them were downregulated significantly at the induction site and upregulated at the effector site. The genes associated with SIgA production were downregulated significantly at the induction site. In contrast, the expression of the Toll-like receptor-related genes was upregulated significantly at the effector site. The frequencies of dendritic cells, B cells, and CD8 + T cells were upregulated at the 2 sites. The SIgA content decreased significantly in the ileal mucosa. Conclusions PCV2 infections can cause damage to the ileum that is associated with changes in immune-related gene expression, immune-related cell subsets, and SIgA production.These findings elucidated the molecular changes in the ileum after a PCV2 infection from the perspective of intestinal mucosal immunity, which provides insights into a further study for PCV2-induced enteritis.

Objective? To? explore? the? clinical? significance? of? early? oral? intervention? measures? in? the?prognosis?of?premature?infants.? Methods? 151?preterm?infants?admitted?to?neonatal?intensive?care?unit?(NICU)?of?Liaocheng?People's?Hospital?from?January?2015?to?January?2017?were?enrolled.?Premature?infants?were?divided?into?intervention?group?and?control?group?according?to?random?number?table?method?and?with?the?consent?of?legal?guardian.?Both?groups?received?routine?treatment?of?preterm?infants?after?stable?vital?signs.?The?intervention?group?received?the?oral?massage?method?adopted?by?none-nutritive?sucking,?stimulating?swallowing?function?and?SandraFucile?on?the?basis?of?routine?treatment,?once?a?day?for?14?consecutive?days.?Both?groups?were?followed?up?for?6?months.?The?oral?feeding?ability?of?premature?infants?was?evaluated?by?the?proficiency?(PRO),?rate?of?transfer?(RT),?feeding?process?and??non-nutritive?suction?(NNS).?At?40?weeks?of?postmenstrual?age?(PMA),?neonatal?behavioral?neurological?(NBNA)?was?used?to?assess?neonatal?brain?development;?Infanib?was?used?for?early?motor?development?evaluation?at?3?months?and??6?months?after?birth.? Results? Finally,?151?premature?infants?were?enrolled,?including?78?in?the?intervention?group?and?73?in?the?control?group.?The?time?to?complete?oral?feeding?of?the?intervention?group?was?significantly?shorter?than?that?of?the?control?group?(days:?18.1±3.7?vs.?23.4±5.8,?P??0.05).?Infanib?evaluation?at?3?months?of?age?showed?that?the?proportion?of?normal?children?in?the?intervention?group?was?significantly?higher?than?that?in?the?control?group?[67.95%?(53/78)?vs.?49.31%?(36/73),?P?

Objective: To investigate the effect of hepatitis B core antigen (HBcAg) in promoting the invasion of hepatitis B virus (HBV)-related hepatocellular carcinoma cell line HepG2.2.15 and the role of Toll-like receptor 4 (TLR4) in the mechanism. Methods: TLR4 mRNA and protein expression in HepG2 cells and HepG2.2.15 cells was measured by reverse transcription real-time PCR and Western blot analysis, respectively. HepG2.2.15 cells were transfected with TLR4 specific small interfering RNA (siRNA) to silence TLR4 expression, and stimulated by recombinant HBcAg in culture. The invasion of cells was measured by Transwell invasion assay. The expression of TLR4 signaling pathway-related proteins in the cultured cells and proinflammatory cytokines in the supernatant was also determined. The student’s t-test, one-way ANOVA, and SNK-q test were used for statistical analysis. Results: TLR4 mRNA and protein expression in HepG2.2.15 cells was significantly higher than that in HepG2 cells. TLR4 siRNA transfection remarkably down-regulated TLR4 expression in HepG2.2.15 cells. Inhibiting TLR4 expression and/or HBcAg stimulation did not affect the proliferation of HepG2.2.15 cells. However, HBcAg stimulation significantly increased the invasion ability of HepG2.2.15 cells and the secretion of proinflammatory cytokines [including interferon (IFN)-γ, interleukin (IL)-6, IL-8, and tumor necrosis factor (TNF)-α]. Inhibiting TLR4 expression significantly reduced HBcAg-induced cellular invasion. Meanwhile, HBcAg stimulation elevated the expression of MyD88 and TRIF in HepG2.2.15 cells. TLR4 silencing inhibited HBcAg-induced increase in the expression of MyD88, while it showed no significant impact on TRIF expression. Conclusion HBcAg can promote the invasion of HepG2.2.15 cells. The TLR4/MyD88 signaling pathway may be involved in this process by inducing the expression of proinflammatory cytokines.

Objective: To observe ascitic interleukin-7 expression level in cirrhotic patients complicated with spontaneous bacterial peritonitis, and to detect the effect of recombinant human IL-7 on CD4⁺ and CD8⁺T lymphocyte function. Methods: A total of 84 patients with liver cirrhosis who were hospitalized from August 2017 to April 2018 were selected. Among them, 51 cases were complicated with cirrhosis and untainted ascites, and 33 cases were cirrhosis complicated with spontaneous bacterial peritonitis. Peripheral blood and ascites were collected routinely. The levels of IL-7 in peripheral blood and ascites were measured by enzyme-linked immunosorbent assay. CD4⁺T cells and CD8⁺T cells were purified from ascites, and were stimulated with recombinant IL-7. Cellular proliferation, key transcription factors for mRNA, and cytokines production by CD4⁺T cells in response to IL-7 stimulation was measured. mRNA expression corresponding to perforin, granzyme B, and granulysin as well as cytokines production by CD8⁺T cells was also measured in response to IL-7 stimulation. Cytolytic and non-cytolytic activity of CD8⁺T cells in response to IL-7 stimulation was also investigated in both direct and indirect contact co-culture system. Measurement data of the normal distribution were compared between the two groups by Student’s t-test and the data before and after stimulation were compared by paired t-test. Measurements that did not conform to normal distribution were compared between the two groups using Mann-Whitney U test, and data before and after stimulation were compared using Wilcoxon paired test. Results: There was no significant statistical difference in serum IL-7 levels between the two groups [(5 001 ± 1 458) pg/ml vs. (4 768 ± 1 128) pg/ml, P = 0.41]. The level of ascitic IL-7 in cirrhotic patients complicated with SBP was significantly lower than cirrhosis patients with untainted ascites [(966.4 + 155.8) pg/ml vs. (792.1 + 126.4) pg/ml, P < 0.01]. Recombinant IL-7 stimulation promoted the proliferation of CD4⁺ and CD8⁺T cells from ascites in patients with liver cirrhosis complicated by SBP. T-bet mRNA relative expression and IFN-γ secretion in CD4⁺T cells was also elevated in response to IL-7 stimulation in vitro. Moreover, IL-7 stimulation also increased the mRNA expressions of perforin, granzyme B, and granulysin as well as productions of IFN-γ and TNF-α by CD8⁺T cells. Recombinant IL-7 stimulation elevated cytolytic and non-cytolytic activity of CD8⁺T cells from ascites in patients with liver cirrohosis complicated by SBP, which manifested as increased target cell death and IFN-γ production in both direct and indirect contact co-culture system. Conclusion Ascitic IL-7 promotes T lymphocyte function in patients with liver cirrhosis complicated with SBP.

IL-22 is a member of IL-10 cytokine family. In recent years, increasing evidence has shown that IL-22 is closely related to the immunity in female reproductive tract, and its role in disease development is two-sided. It can not only maintain the balance of microbiota, enhance the resistance to pathogens and reduce the tissue damage caused by infection, but also promote the development and progression of malignant diseases via various signaling pathways. More studies on the biological characteristics and functions of IL-22 are needed for clarifying the pathogenic mechanism and providing new insight into the diagnosis and treatment of female reproductive tract diseases.