OBJECTIVE To investigate the HIV infections states in tumor patients for clinical diagnosis,treatment and to prevent HIV infection in the tumor hospital.METHODS The result of HIV detection in tumor patients from Dec 2000 to Aug 2006 was analyzed by the review statistics analysis.RESULTS Totally 48 101 tumor paients were detected,and the number of tumor patients with positive HIV antibody result was 51(0.106%).Among the positive patients there were 21 cases with blood transfusion history,14 cases with blood donating experience,2 cases with both these two kinds of experiences and 14 cases without the two kinds of experiences.Their rate was separately 41.0%,27.5%,4.0% and 27.5%.Most of the HIV positive patients had no clinical synptoms.CONCLUSIONS The HIV positive rate of patients with blood transfusion or blood donating is significantly higher than the patients without these experiences.The routine detection for the HIV before the operation,blood transfusion or other traumatic detection is very necessary.

OBJECTIVETo study the relationship between levels of serum HA, LN, IV-C, PC III of chronic hepatitis and indexes of hepatic fibrosis.

METHODSThe levels of serum HA, LN, IV-C and PC III of chronic hepatitis of 124 cases and health 18 cases were measured by radio immunoassay, combined with clinical characteristics and 33 cases pathologic slice etc. The diagnostic of the indexes of serum was analyzed with statistics.

RESULTSHA and IV-C are parallel in chronic hepatitis periods. LN and PC III are concert in the same pathologic periods. In G4 period PC III is nearly closed with comparative group. The value of HA, LN, NV-C and PC III in the chronic hepatitis group was significantly higher than that in the normal comparative group. Conclusion The levels of serum HA LN IV-C and PC III are in concert with the degree of hepatic fibrosis, and these indexes are valuable for chronic hepatitis diagnoses combined with the clinic. LN and PC III are coincidence with hepatic fibrosis degree before G4 period.

Aged ; Biomarkers ; blood ; Collagen ; blood ; Drugs, Chinese Herbal ; therapeutic use ; Female ; Humans ; Hyaluronic Acid ; blood ; Laminin ; blood ; Liver Cirrhosis ; blood ; diagnosis ; drug therapy ; pathology ; Male ; Middle Aged ; Procollagen ; blood

OBJECTIVETo establish a nested real-time quantitative polymerase chain reaction (PCR) assay for detection of hepatitis B virus covalently closed circular DNA in PBMC( peripheral blood monocyte) and MMNC (marrow monocyte).

METHODSBased on the structural differences between HBVcccDNA and HBV rcDNA, two pairs of specific primers spanned the gap of the positive and negative chains and a specific TaqMan probe situated downstream were designed. To remove rcDNA, cccDNA was processed by Mung Bean Nuclease,and then amplified by nested real-time quantitative PCR using a pair of outer primers and a pair of inner primers. According to the standard preparation, cccDNA levels of specimen were calculated.

RESULTSWe have established a nested real-time fluorescent quantitative PCR method for HBV cccDNA successfully, and the linear range is from 5.0 x 10(2) to 3. 9 x 10(7) copies per milliliter. Of the 25 PBMC samples and 7 MMNC samples of the chronic hepatitis B or liver cirrhosis patients, 3 MMNC samples and 9 PBMC samples were HBV cccDNA positive, while all of the 21 healthy donator blood PBMC samples were negative.

CONCLUSIONSThe nested real-time fluorescent quantitative PCR method may be applied to detect HBVcccDNA level in PBMC and MMNC. HBVcccDNA can be detected in PBMC and MMNC.

DNA, Circular ; genetics ; DNA, Viral ; genetics ; Hepatitis B ; diagnosis ; virology ; Hepatitis B virus ; genetics ; isolation & purification ; Humans ; Leukocytes, Mononuclear ; virology ; Real-Time Polymerase Chain Reaction ; methods ; Sensitivity and Specificity

Objective To investigate the prognostic sequelae in neontes with hypoxic-ischemic encephalopathy (HIE) and ven-tricnlar dilatation.Methods Seventy-six full term newborns infants with HIE were followed up at the age from 3 to 19 months after therapy. Twenty-five infants among them were followed up by telephone in the epidemic period of SARS.Results Among 76 infants of 88 newborn infants with HIE(84.6%), 73 infants were normal (96.1% ). 1 infant had cerebral palsy (1.3%), 2 infants died (2.6 %).Among 39 cases with mild HIE, none of them had cerebral sequelae; among moderate HIE. 1 infant had cerebral palsy (2.9%) 1 infant died (2. 9 %), interlenkin-4 among severe HIE 50 % died (P00.5 The poor outcome of HIE in those infants were related to intrauterine growth retardation,severe birth asphyxia;and inadequate treatment.Cranial ultra-sonography of 49 infants were done on follow-up,and 12 of them (24.5 % ) had ventricular dilatations, which appeared after birth with 6 infants. Others occurred on follow-up with 1 infant had cerobral palsy,all ventricular dilatations recovered to normal at 12- 19 months except the cerebral palsy.Conclusions The poor outcome of HIE depends on the infants with intranterine growth relarda-tion,severe birth asphyxia and inadequate treatment.The prognosis of transient ventrealar ddatation are good except cerebral palsy.J Appl Clin pediatr,2004,19(12) : 1045- 1047

There are sex differences in some brain areas in mammalians. Parkinson's disease (PD), caused by the mesencephalic substantia nigra (SN) dopaminergic neuronal loss, displays sexual difference, i.e., the incidence is higher and the symptoms are more intense in males than that in females. However, it has not been known whether sexual dimorphisms exist in the SN. Sixty adult Sprague-Dawley rats were randomly divided into 5 groups: (1) Female intact group (F-INT group); (2) Male intact group (M-INT group); (3) Ovariectomized group (OVX group); (4) Castration group (CAST group); (5) Ovariectomized + estrogen-replaced group (OVX-E(2) group): The rats received sequentially physiological dose of estrogen for 3 d from the 7th day after ovariectomization. P50 auditory evoked potential (P50) was recorded for 14 d from electrodes inserted in the rat right SN in quiet and awake state. After recording, the brain tissues were dissected and the tyrosine hydroxylase (TH)-expressing neurons in the compact zone of the SN were counted using immunohistochemical method. The results showed that the number of TH-positive (TH(+)) cells in the SN of normal male animals was less than that in normal female rats (P<0.05), and the T/C ratio of P50 in normal males was significantly less than that in normal females (P<0.01), indicating that there exists sexual difference in function and structure in the SN. No differences in the T/C ratio of P50 or the number of TH(+) cells were found between M-INT and CAST groups. The T/C ratio of P50 and the number of TH(+) cells in the SN in OVX group were reduced significantly compared with those in F-INT group (P<0.01). There was no significant difference in the T/C ratio of P50 and the number of TH(+) cells in the SN between OVX- E(2) and F-INT groups 15-20 d after estrogen replacement, suggesting that estrogen can promote the survival and functional recovery of dopaminergic neurons in the SN. The results suggest that there exist sex-specific differences in the dopaminergic neurons in the SN structurally and functionally. The difference of estrogen level in cerebra between male and female animals may account for the sexual differences. Endogenous estrogen plays an important role in maintaining the integrity and modulating the functional activity of dopamine system in the SN.
Animals ; Dopaminergic Neurons ; cytology ; Estrogens ; pharmacology ; Evoked Potentials, Auditory ; Female ; Male ; Orchiectomy ; Ovariectomy ; Rats ; Rats, Sprague-Dawley ; Sex Characteristics ; Substantia Nigra ; cytology

OBJECTIVETo delineate serological features and genetic basis for a rare p phenotype of P1Pk blood group system found in a Chinese individual.

METHODSSerological assaying was carried out for a proband with unexpected antibody found in his serum using specific antibodies and panel cells. Coding regions and flanking introns of α 1,4-galactosyltransferase gene (A4GALT) associated with the p phenotype were screened with polymerase chain reaction and DNA sequencing.

RESULTSA rare p phenotype of the P1Pk blood group system has been identified with red blood cells from the proband, whose serum contained anti-Tja antibody which can agglutinate and hemolyze with other common red blood cells. Other members of the proband's family were all normal with P1 or P2 phenotype. DNA sequencing has identified in the proband a homozygous 26 bp deletion at position 972 to 997 of the A4GALT gene. The deletion has caused a shift of the reading frame, resulting in a variant polypeptide chain with additional 83 amino acid residues compared with the wild-type protein. Other family members were either heterozygous for above deletion or non-deleted.

CONCLUSIONA 26 bp deletion at position 972 to 997 of the A4GALT gene has been identified in a Chinese individual with p phenotype.

ABO Blood-Group System ; genetics ; Alleles ; Base Sequence ; Galactosyltransferases ; genetics ; Genetic Association Studies ; Genotype ; Humans ; Male ; Molecular Sequence Data ; Pedigree ; Phenotype ; Sequence Deletion

OBJECTIVETo provide accurate data on health related behaviors and protective factors among students in middle schools in China, for developing priorities, programs and policies on health education.

METHODSWe used a standard scientific sample selection process developed by American Center for Disease Control and Prevention (CDC) to conduct the questionnaire survey among middle schools from four cities--Beijing, Hangzhou, Wuhan and Urumchi.

RESULTSData were found as: 3.2% of students are overweight; 25.3% of students rarely washing hands before eating at school, 20.5% of the students had seriously injured in the past 12 months, 30.4% of male students having had physical fighting, 17.1% of the students having serious attempted suicide, 29.7% of the students ever tried or experimented cigarette smoking, 13.0% having drunk from alcohol and 14.5% having been offered or selling drugs during the past 30 days, 78.9% were in an insufficient amount of physical activity and only 14.3% often used seat belt when riding in a car.

CONCLUSIONSThere were many problems on health related behaviors among middle school students in these four cities, especially on hygiene, physical activities, psychological situation, smoking and drinking etc. It is absolutely necessary to develop health education for children and adolescence to promote their healthy behaviors and lifestyle.

Adolescent ; Adolescent Behavior ; Child ; Child Behavior ; China ; Health Behavior ; Health Surveys ; Humans ; Male ; Risk Reduction Behavior ; Students ; psychology ; statistics & numerical data ; Surveys and Questionnaires ; Urban Health

Objective To analyze the results of detection on influenza A (H1N1) 2009 virus in Beijing from May 2009 to December 2009 and to understand the epidemiologic characteristics during the pandemic period. Methods The study was conducted from the May 1 to December 27,2009. A total of 101 852 throat swab samples were detected with the real-time RT-PCR assay by the Beijing Network Laboratory. Data was statistically analyzed. Results 9843 samples showed influenza A (H1N1) 2009 positive, with an overall positive rate as 9.66%. In terms of the positive rates, they were 2.85% from May to June, 3.32% from July to August and 8.35% from September to October. The peak month fell in November (29.67%) and December (24.33%). The positive rates among the following subpopulations were: 8.40% among the suspected cases, 4.75% among close contact cases, 11.46% among the influenza-like illness cases and 7.33% among the cluster cases with fever. Positive cases mainly fell in age groups 5-14 and 15-24. The ratio of male to female was 1.5:1.Conclusion During the pandemic period of influenza A (H1N1) 2009, positive cases gradually increased during May to November but slowly decreasing in December.

OBJECTIVETo investigate the effect of premature rupture of the membrane (PROM) on neonatal complications in premature infants.

METHODSThe registration information of 7684 preterm infants with gestational age <37 weeks were collected from the cooperative units in the task group between January 1, 2014 to December 31, 2014. Specially trained personnel from each cooperative units filled in the unified form in a standardized format to record the gender, gestational age, birth weight, PROM, placental abruption, antenatal corticosteroid, Apgar score, amniotic fluid pollution, and complications of the infants. The data were analyzed comparatively between the cases with PROM and those without (control).

RESULTSThe preterm mortality rate was significantly lower but the incidences of ICH, NEC, ROP and BPD were significantly higher in PROM group than in the control group (P<0.05). The 95% confidence interval of the OR value was <1 for mortality, and was >1 for ICH, NEC, ROP and BPD. After adjustment for gestational age, birth weight, gender, mode of delivery, placental abruption, placenta previa, prenatal hormones, gestational diabetes mellitus (GDM), gestational period hypertension and 5-min Apgar score <7, the incidences of NEC, ROP and BPD were significantly different between the two groups (P<0.05) with 95% confidence interval of OR value >1, but the mortality rate and incidence of ICH were not significantly different between the two groups (P>0.05).

CONCLUSIONPROM is a risk factor for NEC, ROP and BPD in preterm infants, and adequate intervention of PROM can reduce the incidences of such complications as NEC, ROP and BPD in the infants.

Apgar Score ; Birth Weight ; Female ; Fetal Membranes, Premature Rupture ; pathology ; Gestational Age ; Humans ; Incidence ; Infant, Newborn ; Infant, Newborn, Diseases ; etiology ; Infant, Premature ; Pregnancy ; Risk Factors