Tuberculosis(TB),a chronic infectious disease caused by Mycobacterium tuberculosis(MTB), is the outcome of the interaction between polygenes and environmental factors,which has been shown in lots of genetic studies. In recent years,the research of TB susceptibility genes and their single nucleotide polymorphism(SNP)loci has become a hot topic,but genes and SNPs exactly associated with TB susceptibility are rarely reported. What's more,some susceptibility genes are different among races, populations and geographical distributions, resulting in inconsistency, or even contrary conclusions drawn from local studies of different populations or areas. In order to obtain susceptibility genes that are widely applicable and exactly associated with TB,it is necessary to screen the genes preliminarily in the laboratory animals with gene diversity, and thereafter, verify those genes in animals or humans. The Collabrative Cross(CC)mice have the advantages of diverse and clear genetic background,which can provide a new tool for the research of TB susceptibility. This review summarizes the advances in the studies of TB susceptibility genes and their SNPs, and looking forward to the application of CC mice in these studies and its significance.

China ; epidemiology ; Congenital Hypothyroidism ; diagnosis ; epidemiology ; Humans ; Infant, Newborn ; Neonatal Screening

OBJECTIVETo detect the expression of F10 at both mRNA and protein levels in cervical cancer tissues and explore its role in the occurrence and progression of cervical cancer.

METHODSF10 expressions at mRNA and protein levels were detected in 30 pairs of cervical cancer tissues and adjacent tissues using RT-PCR and immunohistochemistry.

RESULTSThe mRNA and protein expressions of F10 were significantly higher in cervical cancer tissues than in the adjacent normal tissues (P<0.05). F10 expression was significantly higher in poorly differentiated cervical cancer than in well differentiated cancer tissues, and was also lower in patients with preoperative chemotherapy than in those without chemotherapy.

CONCLUSIONF10 expression level is inversely correlated with the differentiation of cervical cancer and possible plays a role in the tumorigenesis and progression of cervical cancer.

Objective To investigate the core fucosylated alpha 2-macroglobulin(LCA-α2M) level in patients with hepatocellular carcinoma (HCC), liver cirrhosis (LC) and chronic hepatitis B (CHB), and explore its diagnostic value in HCC. Methods A total of 193 HCC patients,104 LC patients and 71 HC patients in Shanghai Eastern Hepatobiliary Surgery Hospital and 45 CHB patients in Changzheng Hospital from January 2013 to December 2016 were included for retrospective study. The method for detecting LCA-α2M was set up, and then the levels of serum α2M and LCA-α2M in each group were detected. The diagnostic value of LCA-α2M for HCC was evaluated by receiver operating characteristic (ROC) analysis. Result The level of LCA-α2M/α2M × 100(LCA-α2M％) was significantly higher in HCC patients[31.25(26.61-35.42)] than that in LC patients [26.00(22.30-30.64)], CHB patients[26.23 (23.86-31.86)] and healthy controls[20.29(17.35-22.60)] (H values were 5.626, 3.388 and 10.942, respectively, P<0.05). The area under the receiver operating characteristic curve (AUC) of LCA-α2M％for identifying HCC was 0.768 (0.725-0.808). Combined α-fetoprotein(AFP) and LCA-α2M％, the area under the ROC curve was 0.890(0.856-0.919). For AFP negative HCC patients, the sensitivity of LCA-α2M％was 77.42％(24/31). Conclusion LCA-α2M％ has some values in assistant diagnosis of HCC, and could improve the detection of AFP negative HCC patients.

OBJECTIVETo investigate the clinical and pathological features, diagnosis and treatment of Castleman disease (CD).

METHODSClinical features and related information on diagnosis and treatment of eight cases of CD were retrospectively analyzed. The size of involved lymph nodes ranged from (2 cm x 2 cm x 3 cm) - (4 cm x 3 cm x 2 cm). The lymph nodes were found in level I (1 case), level II (3 cases), level III (3 cases) and level IV (1 case). CT examination in eight patients showed the lesions manifested as ellipse soft masses. Dynamic contrast CT scan in four patients showed ring-enhanced area around the masses. Blood routine examination in eight patients were generally normal, with six patients had mild anemia.

RESULTSBased on the clinical classification, all lesions in this group were localized CD. Histopathology indicated that all lesions were of hyaline-vascular type. After surgery, there was no recurrence during the follow-up period.

CONCLUSIONSPatients with localized CD mainly have lymphadenectasis in a single location. The CT scan can give some evidence. Surgery should be given first priority.

Adolescent ; Adult ; Aged ; Castleman Disease ; diagnosis ; pathology ; Female ; Humans ; Lymph Nodes ; pathology ; Male ; Middle Aged ; Neck ; pathology ; Retrospective Studies ; Young Adult

Aim To explore the mechanism of Danshen decoction in the treatment of colon cancer using network pharmacology and molecular docking.Methods The active components and corresponding target proteins of Salvia miltiorrhiza, Santalum album and Amo-mum villosum in Danshen decoction were screened based on Traditional Chinese Medicine Systems Pharmacology database and analysis platform.The targets of colon cancer were searched by using Genecards database, and the common targets were selected.The network diagram of traditional Chinese medicine-active components-target-disease was constructed by using Cytoscape 3.7.0.The protein protein interaction network of common targets was constructed by using STRING database.The gene ontology(GO)and Kyoto Encyclopedia of Genes and Gnomes(KEGG)enrichment analysis were carried out based on R4.0.2.The important targets in the key pathways and the important active components in the network diagram of traditional Chinese medicine-active ingredients-target-disease network were selected for Surflex Dock.Results A total of 78 active components, 142 targets, 3 239 colon cancer targets, 105 overlapping targets and 69 corresponding active components were screened out.KEGG analysis showed that the key signaling pathway was PI3K/AKT.Luteolin and Tanshinone IIA with high correlation were selected to dock with protein kinase B(AKT1).Both active components had hydrogen bonding with AKT1.Conclusions Danshen decoction plays a positive role in colon cancer treatment.The mechanism may be related to the regulation of PI3K/AKT signaling pathway.

OBJECTIVETo analyze the measles immunity level of persistent population in Beijing.

METHODSA total of 2125 objects from 10 age groups, who had been living in Beijing for over 6 months, were selected from urban and rural areas in Beijing in 2012. Demographic characteristics, history of measles and vaccine immunization were investigated by questionnaire. 5 ml blood sample of each subject was collected, and the Measles IgG antibody was measured by ELISA assay.

RESULTSPositive rate of measles antibody was 84.71% (1800/2125) and standardized positive rate was 88.07% . Median of antibody was 960.46 IU/L. Positive rate and median of measles antibody were significantly different between population from different age groups (χ(2) = 341.60, P < 0.01; H = 216.27, P < 0.01). Antibody positive rate and median were lowest in the <1 year age group, which were separately 43.06% (90/209) and 185.80 IU/L; and highest in the 1-4 (97.31% (181/186) and 2448.81 IU/L) and 5-9 years age group (96.46% (218/226) and 1910.72 IU/L). The range of antibody positive rate and median in adults of ≥ 15 years were 81.98%-90.14% and 744.38-1474.84 IU/L. Antibody positive rate and median in persistent population, which were separately 82.45% (883/1071) and 899.82 IU/L, were lower than those in migrant population, which were 87.00% (917/1054) and 166.19 IU/L, respectively (χ(2) = 8.51, P < 0.01;U = 538 704.00, P < 0.01). Antibody positive rate and median in population with vaccination history, which were separately 91.95% (891/969) and 1443.11 IU/L, were higher than those population without vaccination history and people whose history unknown (32.95% (57/173) , 127.33 IU/L; 86.67% (852/983) , 923.73 IU/L). The difference showed statistical significance (χ(2) = 399.92, P < 0.01; H = 202.11, P < 0.01).

CONCLUSIONAmong the persistent population in China, measles antibody level among the children aging 1-9 years old was high enough to prevent outbreak and epidemic of measles. However, we should try our best to strengthen the measles antibody level among the babies younger than 1 year old and the migrant population aging between 15 and 40 years old.

Adolescent ; Adult ; Antibodies, Viral ; blood ; Child ; Child, Preschool ; China ; epidemiology ; Female ; Humans ; Infant ; Male ; Measles ; epidemiology ; immunology ; prevention & control ; Measles virus ; Young Adult

Objectives:The aim of this study was to observe whether transthoracic pulmonary artery denervation (TPADN) could reduce the pulmonary arterial pressure and attenuate pulmonary vascular remodeling in rats with pulmonary arterial hypertension induced by monocrotaline. Methods:Twenty-four healthy male SD rats were randomly divided into control group, sham operation group and operation group (n=8 per group). Rats in sham operation group and operation group received single subcutaneous injection of monocrotaline (MCT, 60 mg/kg). After four weeks, the mean pulmonary arterial pressure (mPAP) and other hemodynamic parameters were measured with the right heart catheter in rats of these two groups. Then, operation group received the surgery of TPADN, which included thoracotomy in left 2-3 rib, exposing pulmonary artery, and removing the near connective tissue of the pulmonary artery trunk. After two weeks of operation, the mPAP and other hemodynamic parameters were measured again by the right heart catheter. The microstructure changes of the heart and pulmonary vessels was observed by immunohistochemistry and immunofluorescence. Meanwhile, RV cardiomyocyte cross-sectional area (CSA) and the right hearthy pertrophy index (RVHI= RV/[LV+S]) were used to evaluate the degree of right ventricular hypertrophy. Results:After four weeks of injection of MCT, the mPAP was significantly higher in the operation group and the sham operation group than in control group (P＜0.01). Two weeks after the surgery of TPADN, the mPAP was significantly reduced in the operation group than compared in the sham group(P＜0.01). Meanwhile, the percentage of medial thickness to outer diameter of the small pulmonary arterioles, right ventricular myocardial cell cross-sectional area and RVHI were also significantly decreased in the operation group compared to sham operation group(all P＜0.01). Conclusions:Our results show that TPADN could reduce the mean pulmonary arterial pressure and attenuate the hypertrophy of medial thickness of small pulmonary arterioles and of right ventricle in PAH rats induced by monocrotaline.

Bone age is an important indicator of human growth and development, which can objectively reflect the growth level and maturity of individuals. Traditional manual bone age assessment usually compares the X-ray of the left wrist with the reference standard to obtain the corresponding bone age. This method is time-consuming and its results vary with different observers. In recent years, with the continuous development of computer science, bone age assessment has began to change from traditional manual assessment to automatic assessment. Although there has already been numerous researches on automatic bone age assessment, most of them are still in the experimental stage. This paper reviews related research and progress on automatic bone age assessment at home and abroad in recent years, in order to provide reference and research ideas for relevant researchers.
Age Determination by Skeleton ; Humans ; Wrist ; X-Rays

Objective To explore the value of degree of cranial suture closure in forensic adult age estimation by thin-layer CT scan and establish an adult age estimation model of the Han nationality. Methods Thin-layer CT scan samples of the heads of 220 healthy Sichuan Han adults （110 males, 110 females） aged 20 to 70 were collected, of which 20 samples （10 males, 10 females） were randomly selected as test samples. The sagittal suture, coronal suture （both left and right） and lambdoid suture （both left and right） were respectively and equally divided into 2 segments, and every segment was equally divided into 10 layers and the corresponding multiplanar reformation （MPR） images were selected. The closure of cranial sutures on MPR images was classified into the grades 1-7. The correlations between cranial sutures and age were analyzed to build regression equation for age estimation. Results The degree of closure of sagittal suture, coronal suture （both left and right） and lambdoid suture （both left and right） was positively correlated with age. The coefficient of determination （R²） of regression equation was 0.419 in males, 0.589 in females, and 0.522 in all samples. The results of the verification test showed that the mean absolute error （MAE） was 6.39 years in males, 6.16 years in females, and 6.29 years in all samples. Conclusion There was a higher accuracy in adult age estimation by thin-layer CT scan of cranial sutures. The age of Han nationality adults can be estimated by the degree of cranial sutures closure.
Cranial Sutures/diagnostic imaging* ; Female ; Head ; Male ; Tomography, X-Ray Computed