Synergetic antiplatelet effects of aqueous extracts of Fructus Crataegi and Rhizoma Alismatis in vitro were studied. The interaction of the two drugs was also observed. Results showed that the IC50 of Fructus Crataegi on platelet aggregation induced by ADP was 1.388g/100ml,whereas the IC50 of Rnizoma Alismatis was 7. 585g/100ml. In the presence of low concentrations of Fructus Crataegui (0.3~0.9g/100ml ),the an　tiplatelet activity of Rhizoma Alismatis was significantly increased,and the IC50 was only 1.755g/100ml with the presence of 0. 9g of Cralaegus pinnatifida per 100ml. These results suggested that the two drugs have a mutual synergetic effect on antiplatelet function

OBJECTIVE:To observe therapeutic efficacy and safety of budesonide aerosol inhalation for pediatric acute asthma attack. METHODS:Ninety patients diagnosed as acute asthma attack selected from our hospital during Jan. 2014-May 2016 were di-vided into observation group and control group in accordance with random number table,with 45 cases in each group. Control group was given Potassium sodium dehydroandroandrographolide and sodium chloride injection 10 mg/(kg·d),ivgtt,qd+Azithromy-cin injection 10 mg/(kg·d),ivgtt,qd for anti-infective therapy. Observation group was additionally given Budesonide aerosol 0.5 mg,aerosol inhalation,bid. Both groups received treatment for consecutive 7 d. Clinical efficacy,lung function index,T cell sub-group,symptom relief time were observed,and the occurrence of ADR was recorded. RESULTS:Total response rate of observa-tion group (91.11%) was significantly higher than that of control group (71.11%),with statistical significance (P<0.05). After treatment,FVC,FEV1 and FEV1/FVC of observation group were significantly higher than those of control group,with statistical significance(P<0.05). CD3+,CD4+ and CD4+/CD8+ of observation group were significantly increased,while CD8+ was decreased significantly;above indexes of observation group were improved significantly compared to control group,with statistical signifi-cance (P<0.05). The time of symptom relief as wheezing,coughing,difficult breathing and lung wheeze in observation group were significantly shorter than in control group,with statistical significance(P<0.05). There was no statistical significance in the incidence of ADR between 2 groups(P>0.05). CONCLUSIONS:Budesonide aerosol inhalation shows significant therapeutic effi-cacy for pediatric acute asthma attack with good safety.

Object To select quality species of Erigeron breviscapus (Vant.) Hand.-Mazz. and study its growing practice and cultural habit. Methods The yield and content of breviscapinun of six species of E. breviscapus, the process of germinating and sprouding of its seeds, growing in the field, and content of breviscapinun of dry E. breviscapus in different growth duration were observed. Results The yield and content of breviscapiniun of QS-3, QS-6, and QS-1 of E. breviscapus species were higher than thatin others, and their yield in plastic green house is higher than that on open plots; with other crop, the percent of germinating and sprouding were lower, this process needs longer time; biomass of E. breviscapus under culturing is larger than that under wild; the content of breviscapinun of its dry grass in different growth duration is different, it is the highest of all flowering time. At last, methods of culture technology are put forward with above characteristics. Conclusion It will be optimistic to plant E. breviscapus artificilly.

AIM: To evaluate the safety and tolerance of ibandronate in Chinese healthy volunteers. METHODS: The trial protocol was designed according to the Good Clinical Practice(GCP). After physical examination and laboratory tests were performed, 36 healthy volunteers were divided randomly into 6 dose groups, including 1 mg , 2 mg , 3 mg , 4 mg , 5 mg and 6 mg , with 6 subjects in each group(3 male and 3 female). Clinical symptoms, vital signs, routine blood tests, routine urine tests, hepatic function, renal function, blood electrolytes, electrocardiogram, and electroencephalogram were observed or examined before and after a single intravenous infusion of ibandronate. RESULTS: After single intravenous infusion doses of 1- 6 mg , the vital signs, clinical symptoms and laboratory tests were all in the normal range, but there were some slight ADRs concerned with the drug, such as hypophosphataemia, increased body temperature, perspiring,pain of bone or muscle and hypocalcaemia. But the ADRs were found vanishing in one or two weeks. CONCLUSION: Single intravenous infusion (up to 6 mg ) of domestic ibandronate in 36 chinese healthy volunteers is safe and tolerable.

Objective:To investigate the diagnostic value of rapid on-site evaluation (ROSE) technique in the mucosal biopsy under respiratory endoscopy in children with active tuberculosis.Methods:Clinical data of 40 patients with active tuberculosis diagnosed in Department of Respiratory Intervention, Qilu Children′s Hospital, Shandong University from June 2017 to January 2020 were retrospectively analyzed.Results:(1) There were 33 cases of tracheobronchial tuberculosis and 7 cases of tuberculous pleurisy in the 40 cases, among them 9 cases were difficult to diagnose.(2)Among 33 cases of tracheobronchial tuberculosis, 24 cases (72.7%) of caseous necrosis breaking into the lumen, and 9 cases (27.3%) of mucosal swelling and external pressure.Cytological ROSE (C-ROSE) showed granuloma, epithelioid cells and lymphocytic infiltration with all bronchial mucosal biopsies.Different positives results of microbiological ROSE (M-ROSE) in different biopsy parts: positive results were found 6 times at caseous necrosis (13.6%, 6/44 times), 4 times at granulation hyperplasia (12.5%, 4/32 times), 2 times at hyperemia and edema (22.2%, 2/18 times), 0 time at yellow-white necrosis, and 54 times at the junction between lesions and normal mucosa (81.8%, 54/66 times). The mucosal pathology showed granuloma, exudation and necrosis, including 22 cases with tuberculous granuloma, 5 cases with characteristic tuberculous nodules, and 11 cases with positive acid-fast staining.(3)Seven cases of tuberculous pleurisy, serious pleural adhesion, pleural hyperemia and edema were observed under thoracoscopy.After clearing the adhesive tape, scattered caseous miliary nodules were found in pleura in 4 cases with a difficult clinical diagnosis.The C-ROSE of smear on thoracoscopic biopsy were characterized by necrotic and histopathic cell, with multinucleated giant cells, but granuloma was rare.M-ROSE in different parts: 8 times positive for millet nodules (80.0%), 0 time positive for adhesion band, 2 times positive for congestion oedema (14.3%); biopsy pathology showed granuloma and necrosis, with 3 cases characteristic tuberculosis nodules and 2 cases positive for anti-acid staining.(4)Pathogenic microorganisms were detected in 19 children using next generation sequencing (NGS) and Mycobacterium tuberculosis/Rifampicin resistance real-time nucleic acid amplification detection technology (Xpert MTB/RIF), including 7 positive for NGS (36.8%), 8 positive (42.1%) and 5 positive for both NGS and Xpert MTB/RIF (26.3%).Conclusions:Respiratory endoscopy combined with ROSE technique has important clinical significance in early diagnosis of active tuberculosis in children, and it is worth of promotion and applying.

Objective To investigate the expressiorn of microRNA-622(miR-622) and dual specificity tyrosine phosphorylation-regulated kinase 2 (DYRK2) in colon cancer tissues and cell lines and explore the effect of miR-622 on SW11l6 cells migration and invasion.Methods Eighty-two colon cancer tissues and paired para-tumor tissue specimens were collected.C.olon cancer cell line SW1116,SW480 and normal human colon epithelial cell line NCM460 were cultured.MiR-622 was detected by using Real time PCR,DYRK2 expression was measured by using immunohistochemistry,Real time PCR anid Western blot in tissue level and cell level,respectively.The relation of miR-622 and DYRK2 was analyzed by Pearson correlation analysis.miR-622 mimics transfection was conducted to up-regulate miR-622,while negative control,NC group were transfected with control sequence.Expression of DYRK2 was evaluated by using Real time PCR and Western blot,while Transwell chamber assays were used to assess the migration ability changes.Results Real time PCR and Western blot results showed that miR-622 mRNA was highly expressed in colorectal cancer tissue and colon cancer cell SW1116,whereas DYRK2 mRNA and protein were lowly expressed when compared with paracancerous tissue and normal colonic epithelial cell line NCM460.An obvious negative correlation was showed between miR-622 and DYRK2(r=0.916,P＜0.01).Compared to NC group,DYRK2 mRNA and protein expression were down-regulated after transfection of miR-622 mimics,which was observerd through Real time PCR and Western blot(P＜0.01).Correspondingly,compared to NC group,the migration ability of SW116 was remarkably enhanced after transfection of miR-622 mimics(P＜0.01).Conclusion The expression of miR-622 is high and DYRK2 is low in colon cancer.Up-regulation of miR-622 could negatively regulate DYRK2 expression and promote SW1116 cells migration.

Objective: To investigate the genetic cause for a family with multiorgan dysplasia and "molar tooth sign" on MRI image. Method: The patient, a 3 months and 21 days old boy, was clinically examined and the medical history of his family was collected. Next generation sequencing was performed to analyze his clinical and genetic causes. Result: Clinical manifestation of the child displayed multiorgan dysplasia, such as six finger deformity, short limbs, coloboma of optic disc and choroid, situs inversus.Cranial MRI showed "molar tooth sign" . The gene sequencing confirmed that the child carried a de novo deletion of c. 2843_2844 delAA in OFD1 gene. Conclusion The child has typical clinical features of Joubert syndrome, such as MRI "molar syndrome" , developmental abnormalities of ocular tissue and limb, visceral inversion, and so on.The OFD1 gene had a novel deletion mutation through gene detection. Combined clinical features with gene detection, it was clear that the child was a rare case of Joubert syndrome type 10 which was the first case of Joubert syndrome caused by OFD1 gene mutation in China.

Objective:To investigate the application of transbronchial needle aspiration (TBNA) in the diagnosis of tuberculosis with mediastinal lymphadenopathy in children.Methods:A retrospective study was conducted on clinical data in 8 children of tuberculosis with mediastinal lymphadenopathy treated in the Center for Respiratory Intervention, Children′s Hospital Affiliated to Shandong University from March 2014 to July 2019.TBNA was performed after the mediastinal lymphadenopathy were diagnosed by chest enhanced CT and the final diagnosis was made.The diagnostic experience of TBNA was summarized.Results:Eight children with mediastinal lymphadenopathy included in this present study aged from 7 months to 8 years and 6 months (infants accounted for 75.0%), with a median age of 22.5 months.There were 3 males (37.5%) and 5 females (62.5%). The body mass was 8.5-39.0 kg, and the median body mass was 10.7 kg.The course of disease was 15-90 days, and the median number of days was 18.5 days.The clinical manifestations included cough in 8 cases, fever in 4 cases, wheezing in 1 case and laryngeal ringing in 1 case.Bronchoscopy and TBNA biopsy were performed.Cytology, etiology and pathology were examined after TBNA.A definite diagnosis could be made in 6 children, with a diagnosis rate of 75.0%.Among them, 4 cases were found with acid-fast bacilli in smear but pathological examination was negative; 1 case was pathologically conformed to the characteristics of tuberculosis infection but the smear was negative; the smear and pathology of 1 case were both suggestive of tuberculosis; 2 cases did not present etiological and histological evidence with TBNA.The diagnosis was made according to the positive acid-fast bacilli of alveolar lavage fluid smear.There were no complications during and after operation.Conclusions:TBNA is an important method to diagnose tuberculosis in children, which is effective, safe and has high clinical application value.

Overexpression of exogenous lineage-determining factors succeeds in directly reprogramming fibroblasts to various cell types. Several studies have reported reprogramming of fibroblasts into induced cardiac progenitor cells (iCPCs). CRISPR/Cas9-mediated gene activation is a potential approach for cellular reprogramming due to its high precision and multiplexing capacity. Here we show lineage reprogramming to iCPCs through a dead Cas9 (dCas9)-based transcription activation system. Targeted and robust activation of endogenous cardiac factors, including GATA4, HAND2, MEF2C and TBX5 (G, H, M and T; GHMT), can reprogram human fibroblasts toward iCPCs. The iCPCs show potentials to differentiate into cardiomyocytes, smooth muscle cells and endothelial cells . Addition of MEIS1 to GHMT induces cell cycle arrest in G2/M and facilitates cardiac reprogramming. Lineage reprogramming of human fibroblasts into iCPCs provides a promising cellular resource for disease modeling, drug discovery and individualized cardiac cell therapy.