Objective To study the chemical constituents from Calystegia sepium. Methods The compounds were isolated and purified by silica gel column chromatography, Sephadex LH-20, ODS column chromatography, preparative HPLC and so on. Their structures were determined on the basis of physicochemical properties and their spectroscopic data, as well as literatures. Results A total of 20 compounds were separated and identified as tyrosol (1), quercetin-3-O-β-D-glucopyranoside (2), scutellarein-7-O-β- glucopyranoside (3), kaempferol-3-O-β-D-glucopyranoside (4), kaempferol-3-O-galactoside (5), kaempferol-3-O-β-robinobioside (6), nicotiflorin (7), rutin (8), uridine (9), tachioside (10), 2-methoxy-4-(2’-hydroxyethyl)-phenyl-1-O-β-D-glucopyranoside (11), 4-hydroxyphenethylol-4-O-β-D-glucopyranoside (12), polybotrin (13), pyridine-3,5-dicarboamide (14), skimmin (15), benzylalcohol-β-D-glucopyranoside (16), 5-hydroxyl-2-hydroxymethylpyridine (17), picein (18), 5-hydroxymethyl-furaldehyde (19), and sessiline (20). Conclusion Compounds 1-20 are isolated from Calystegia sepium for the first time.

Child ; Humans ; Lymphoma, T-Cell ; complications ; Panniculitis ; etiology ; Subcutaneous Tissue

OBJECTIVETo study the correlation of G870A CCND1 gene polymorphism and digestive system tumors.

METHODSFrom August 2010 to August 2014, 164 digestive system cancer patients (including 82 patients with gastric cancer and 82 with colorectal cancer) and 82 healthy subjects (control group) were examined with PCR-restriction fragment length polymorphism (PCR-RFLP). The distribution of CCND1 gene G870A frequency in the 3 groups and its association with tumor staging and grading were analyzed.

RESULTSThe frequencies of the GG, GA and AA genotypes in G870A CCND1 gene loci in patients with gastric cancer and colorectal cancer differed significantly from those in the control group (P<0.05). G870A CCND1 gene polymorphism was closely associated with an increased risk of digestive system tumors (P<0.05). The GA and AA genotypes were associated with a significantly higher risk of digestive system cancer risk than the GG genotype (P<0.05), and their frequencies were significantly higher in patients with tumors of higher pathological grade and in those in advanced tumor stages (P<0.05).

CONCLUSIONG870A CCND1 gene polymorphism is associated with the risk of digestive system tumors. The allele A is associated with an increased risk of digestive system tumors and correlated with the tumor differentiation and staging of the tumor.

OBJECTIVETo evaluate the accuracy and safety of pedicle screw insertion with the aid of novel patient-specific drill-guide templates in scoliosis cases.

METHODSTen patients with scoliosis were selected to participate in the research (the observation group) from December 2013 to December 2014. The data was obtained from CT scanning, and put into the computer to perform reconstruction of spine, simulation of pedicle screw insertion, and design of patient-specific drill-guide templates with software. The templates were made with rapid prototyping technique. After sterilization, the templates were used to aid the pedicle screw insertion intraoperatively. The blood loss, operation duration, change of creatinine level pre- and post-operation, and complications related to pedicle screw insertion were recorded. The location of pedicle screws were graded so as to evaluate the accuracy. A comparative study was then performed with the data of ten scoliosis cases operated with free-hand method during the same period (control group). There were 5 cases of idiopathic scoliosis and 5 cases of congenital scoliosis in the observation group, including 3 males and 7 females. Their average age was 11.9 years old (ranged, 4 to 18 years old), and the average Cobb angle of main curve was 54.9° (ranged, 42.1° to 78.4°). There were also 5 cases of idiopathic scoliosis and 5 cases of congenital scoliosis in the control group,including 2 males and 8 females. Their average age was 12.6 years old (ranged, 6 to 17 years old), and the average Cobb angle of main curve was 56.6° (ranged, 38.2° to 93.4°).

RESULTSA total of 167 pedicle screws were inserted intraoperatively, with 138 screws (82.6%) in grade I, 26 screws (15.0%) in grade II, 4 screws in grade III (2.4%), but no screws in grade IV according to the CT image. There were 29 (17.4%) screws perforated, and 163 (97.6%) screws could be accepted. In the control group, a total of 165 pedicle screws were inserted intraoperatively, with 98 screws (59.4%) in grade I, 39 screws (23.6%) in grade II, 21 screws in grade III (12.7%), and 7 screws in grade IV (4.2%). There were 67 (40.6%) screws perforated, and 137 (83.0%) screws could be accepted. The grade distribution of screw position, ratio of perforated and accepted screws were significantly different between the two groups respectively (Z=-5.013, P=0.000; χ2=9.347, P=0.002; χ2=20.242, P=0.000). The correction rate of Cobb angle were (74.1±10.0)% vs (69.7±17.6)%; blood loss were (455±447) ml vs (415±389) ml; operation duration were (163.5±53.7) min vs (164.0±48.7) min; and the changes of creatinine level pre- and post-operatively were (-5.3±3.2) μmol/L vs (-3.4±3.1) μmol/L; all above data had no significant differences respectively (t=0.696, P=0.496; t=0.214, P=0.833; t=0.022, P=0.983; t=1.375, P=0.192). There were no complications related to pedicle screw insertion in each group.

CONCLUSIONThe novel patient-specific drill guide template can be used to assist the insertion of pedicle screws in scoliosis cases with much higher accuracy than that of freehand method and fair safety.

Adolescent ; Case-Control Studies ; Child ; Child, Preschool ; Female ; Humans ; Male ; Pedicle Screws ; Scoliosis ; surgery ; Tomography, X-Ray Computed

Objective To study the effect of selenium on peripheral and splentic T-cell subset, apoptosis of spleen cells in fluorosis chicken and its mechanism. Methods One hundred and eighty 8-day Hailanhe chicks were randomly divided into 3 groups(each 60): ①control group: 195 mg/kg fluoride and 0.08 mg/kg of selenium; ②fluorine group : 1000 mg/kg fluoride and 0.08 mg/kg of selenium ;③selenium antagonism group : 1000 mg/kg On 30~(th), 60~(th), 90~(th) day, peripheral and splentic CD4~+, CD8~+ T-cell subset analyses underwent flow cytometry and apoptosis of spleen cells were detected by TUNEL for study subjects. Results Compared with control group, the CD4~+ T-cell subset of peripheral in fluorine group was decreased obviously in 30,60,90 days[ (35.36± 4.27)% vs (24.29 ± 2.96)%, (47.65 ± 5.42)% vs (41.62 ± 3.96)%, (49.58 ± 3.98) % vs (42.35 ± 6.03 )%, P < 0.05 or < 0.01 ], CD4~+/CD8~+ ratio also was decreased obviously [ ( 1.701 ± 0.145 )% vs (1.393 ± 0.163)%,(2.712 ± 0.345)% vs (1.781 ± 0.201)%,(2.438 ± 0.356)% vs (1.973 ± 0.229)%, P< 0.05 or < 0.01]. Compared with fluorine group, the CD4~+ T-cell subset of peripheral in selenium antagonism group [ (29.40 ± 3.38)%, (45.40 ± 6.01 )%, (46.85 ± 5.25)%, P < 0.05 or < 0.01 ] was increased obviously in 30,60,90 days,CD4~+/CD8~+ ratio in 60,90 days[(2.004 ±0.314)%,(2.211±0.229)%,all P<0.01]also was increased obviously.Compared with control group,the CD4~+ T-cell subset of spleen cells in fluorine group was decreased obviously in 30,60,90 days[(47.33±5.35)% vs(41.91±4.83)%,(49.28±5.24)% vs(41.26 ±4.56)%,(34.31±4.15)%vs(29.33±2.89)%,all P<0.01],CD4~+/CD8~+ ratio also was decreased obviously[(1.927 ±0.244)% vs(1.525 ±0.265)%,(1.847±0.224)% vs(1.640±0.198)%.(1.265±0.174)% vs(0.878±0.092)%,P<0.05 or<0.01].Compared with fluorine group,the CD4~+ T-cell subset of spleen cells in selenium antagonism group in 60,90 days[(44.87±5.43)%,(32.62±3.37)%,all P<0.05]was increased obviously,CD4~+/CD8~+ ratio in 30,60, 90 days[(1.703 ±0.201)%,(1.772±0.215)%,(0.991±0.124)%,P<0.05 or<0.01]also was increased obviously. The apoptosis ratio of spleen cells in fluorine group in 30,60,90 days[(2.31±0.36)%,(2.76±0.22)%,(3.04± 0.29)%]was higher than that in control group[(1.14±0.21)%,(1.23±0.23)%,(1.29±0.20)%,P<0.01].The apoptosis ratio of spleen cells in selenium antagonism group in 60,90 days[(2.42 ±0.32)%,(2.73±0.39)%]was lower than that in fluorine group(P<0.05 or<0.01).Conclusion A certain concentration of selenium can antagonize the immunity inhibition of fluorine by decreasing apoptosis and improving the unbalance of T-cell subset.

OBJECTIVETo study the mechanism and significance of peripheral blood mononuclear cell (PBMC) of neonates infected with hepatitis B virus (HBV).

METHODSEighty-four HBsAg-positive and HBeAg-negative mothers and their newborns were recruited in this study. Sixteen hepatitis B virus markers (HBVM)-negative mothers and their neonates were served as control. All these cases had no symptoms of hepatitis, serious pregnancy complications and preexisting disease. Age, gestational age and the method of delivery were matched in two groups (P > 0.05). Five ml blood samples were taken from the peripheral vein of the pregnant women before delivery and from neonates within 24 hours after birth, before inoculation of HBV vaccine (HBVac). Serum and PBMC were isolated from 2 ml and 3 ml samples respectively. The sera, PBMC and the last supernatant of PBMC washing were stored at -80 degrees C. HBVM of neonates were detected by using enzyme linked immunosorbent assay (ELISA). HBV DNA in serum, PBMC and the last supernatant of PBMC washing of mothers and neonates were detected by using a nested-polymerase chain reaction (n-PCR). Two pairs of oligonucleotide primers, the outer primer pair for first PCR and inner primer pair for second PCR, designed according to region S of HBV genome were synthesized at Shanghai Cell Biology Institute of Chinese Academy of Sciences. The neonates who were HBV DNA positive in PBMC but HBsAg and HBV DNA negative in serum were followed up for one year, HBsAb in serum and HBV DNA in PBMC were observed in the neonates.

RESULTS(1) The positive rate of HBV DNA in 84 serum and PBMC of mothers were 53.57% and 40.48%, respectively (chi(2) = 2.891, P > 0.05). All the results were weakly positive. (2) Twenty-four (28.57%) newborns in the study group were infected, including 7 who were only HBV DNA positive in serum, 11 only HBV DNA positive in PBMC and 6 in both, all the results were weakly positive. HBsAg was negative in all the newborns. None of the neonates in control group was infected with HBV. There was significant difference between the two groups (chi(2) = 4.55, P < 0.05). (3) Of all the study cases, 11 (13.10%) neonates were HBV DNA weakly positive in PBMC but HBsAg and HBV DNA negative in serum. Of their mothers, 5 were only HBV DNA positive in serum, 2 only positive in PBMC and 4 positive in both serum and PBMC. Seven of the 11 neonates were followed up for one year and at the end of follow-up, 4 were HBsAb positive and HBV DNA negative in PBMC; 3 were HBsAb negative, and among the 3 cases HBV DNA in 2 was still positive in PBMC, HBsAg and HBV DNA in serum were negative in all the 7 neonates.

CONCLUSION(1) HBV DNA positivity either in serum or in PBMC in mothers can result in infection of PBMC with HBV in their neonates. (2) PBMC infection with HBV can exist for a long time in neonates while HBsAg and HBV DNA are negative in serum, and may result in vaccination failure in neonates.

Case-Control Studies ; DNA, Viral ; blood ; Female ; Hepatitis B ; diagnosis ; immunology ; Hepatitis B Vaccines ; administration & dosage ; Hepatitis B virus ; Humans ; Infant, Newborn ; Infectious Disease Transmission, Vertical ; Leukocytes, Mononuclear ; virology ; Pregnancy

AIMTo clone and analyse the coding cDNA sequence of alpha1, beta2 and gamma2 subunit of GABAA receptor in American king Pigeon.

METHODSWithdrew total RNA from the American king pigeon brain, reverse transcribing general primers to acquire a gene set cDNA. Designing specific primers of three subunit mRNA of the GABAA receptor, by RT-PCR respectively expanded the conservative gene of al subunit, beta2 subunit and gamma2 subunit of GABAA receptor, and carried on clone, plastid identification and the sequence measurese of three genes.

RESULTSThe experiment on sequence measures has succeeded that sequence analysis indicated that lengths of the conservative gene of alpha1 subunit, beta2 subunit and gamma2 subunit of GABAA receptor was respectively 899 bp, 597 bp and 563 bp, homology on reference sequence was respectively 94.99%, 94.64% and 96.28%.

CONCLUSIONHomology is high on the conservative gene of alpha1 subunit, beta2 subunit and gamma2 subunit of GABAA receptor of brain tissue of pigeon and chicken but there is a discriminating characteristic in different kinds of animals.

Animals ; Brain ; metabolism ; Cloning, Molecular ; Columbidae ; DNA, Complementary ; genetics ; RNA, Messenger ; genetics ; Receptors, GABA-A ; classification ; genetics ; Sequence Analysis, DNA

OBJECTIVETo study the role of the HBV-infected mothers' PBMC in intrauterine transmission of HBV to their fetuses.

METHODSThirty pregnant women with serum HBV DNA negative and PBMC HBV DNA positive and their newborns were used as the study group. Ten pregnant women with serum HBV negative and their infants served as the control group. HBV DNA in serum and in PBMC was detected using nested polymerase chain reaction (n-PCR). The mothers' PBMC in newborns' peripheral blood was examined using heminested-PCR.

RESULTSFour newborns were serum HBV DNA positive and 8 newborns were HBV DNA positive in PBMC in the study group. Among them, 2 newborns were HBV DNA positive in both serum and PBMC, 6 cases were positive in PBMC only, and 2 cases were positive in serum only. Five mothers had the GSTM1 gene; and it was not detected in 3 newborns. Among the 8 newborns with HBV DNA positive in PBMC, 3 did not have the GSTM1 gene, at the same time their mothers possessed the GSTM1 gene. Mothers' PBMC were detected in all of these three newborns' peripheral blood. HBV DNA in serum and in PBMC of the control group infants were all negative.

CONCLUSIONHBV-infected PBMC of the mother may serve as a vector in HBV intrauterine infection.

Adult ; DNA, Viral ; analysis ; Female ; Hepatitis B virus ; isolation & purification ; Hepatitis B, Chronic ; blood ; transmission ; Humans ; Infant, Newborn ; Infectious Disease Transmission, Vertical ; Leukocytes, Mononuclear ; virology ; Pregnancy ; Pregnancy Complications, Infectious ; virology

Objective To explore the associations between cesarean section with different types and intensity of physical activity in the second trimester pregnant women． Methods Six hundred and seventy－two participants from the Chinese pregnant women cohort study ( CPWCS) were analyzed． The pregnancy physical activity questionnaire ( PPAQ) was used to collect the status of physical activities in pregnant women． The participants were followed up and the data of delivery way was collected． Logistic regression model was conducted to analyze the associations． Ｒesults A total of 273 pregnant women ( 40. 63%) were delivered by cesarean section． After adjusting age，pre-pregnancy BMI and history of childbirth，results of Logistic regression model showed that pregnant women with higher levels of exercise had a lower risk of cesarean section than those who did not participate in exercise ( OＲ= 0. 564，95% CI: 0. 338－0. 941) . In terms of physical activity intensity，pregnant women who participated in the higher level of moderate to vigorous physical activity had a lower risk of cesarean section than those who partici- pated in the lower level ( OＲ= 0．642，95% CI: 0．437－0．972) ． Conclusions Exercise and moderate to vigorous physical activity are protective factors for cesarean section． Health education should be further strengthened to encourage pregnant women to carry out appropriate physical activity during pregnancy．

OBJECTIVETo investigate the scope and degree of short-term adverse reactions of peginterferon alfa-2a in treatment of chronic hepatitis in adults and children to provide basis for anti-viral treatment in clinical practice.

METHODSA prospective study was conducted in adults and children with chronic hepatitis treated with peginterferon alfa-2a. Meanwhile, the reactions in the patients were recorded with a table designed by ourselves and statistically analyzed.

RESULTSThe short-term adverse reactions included increase in body temperature and aching pain in joints and muscles. The increase in body temperature was the major reaction and accounted for 54.11%. The increase in body temperature began to appear in 47.6% of the patients. The body temperature was 37.3 degrees C-38.9 degrees C in most of the patients and mediate and low increase was found in 85.4% of the patients, which was decreased to 70% in the 4th week. However, the percentage of patients with high temperature was increased from 14.5% in the 1st week to 30% in the 4th week. The increase of body temperature began to appear in 9-12 h and 3-5 h after injection of peginterferon alfa-2a in the 1st and later, respectively. The duration of fever was 3-4 h in most of the patients. It appeared once in 1 week after the rejection in most of the patients. For management of fever, cooling with medication was conducted in 45.5 % of the patients.

CONCLUSIONThe short-term adverse reactions in patients with chronic hepatitis treated with peginterferon alfa-2a include the increase in body temperature etc. The severity of the adverse reactions gradually reduces with continuation of the treatment. Of the adverse reactions, the increase in body temperature is the major (47.6%) and others only account for 1%-16.9%. The increase in body temperature is mainly transient and no management is needed in 50% of the patients. Since the "ladder-type" dose-adding method is used for administration of peginterferon alfa-2a in this group of patients, the adverse reactions are low in number and mild in degree.

Adolescent ; Adult ; Animals ; Antiviral Agents ; administration & dosage ; adverse effects ; Body Temperature ; CD40 Antigens ; metabolism ; Cercopithecus aethiops ; virology ; Child ; Drug Administration Schedule ; Hepatitis C, Chronic ; drug therapy ; Hepatitis, Chronic ; drug therapy ; Humans ; Interferon-alpha ; administration & dosage ; adverse effects ; Middle Aged ; Polyethylene Glycols ; administration & dosage ; adverse effects ; Recombinant Proteins ; Young Adult