Network Meta-analysis of acupuncture and moxibustion for allergic rhinitis / 中国针灸

OBJECTIVE@#To review the therapeutic effect of acupuncture and moxibustion on allergic rhinitis based on the network Meta-analysis.@*METHODS@#The randomized controlled trials of acupuncture and moxibustion for allergic rhinitis were retrieved from the databases, starting from the date of establishment to August 17, 2020, i.e. the PubMed, EMbase, Cochrane Library, CNKI, Wanfang and VIP. The traditional Meta-analysis and network Meta-analysis were performed by RevMan5.3 and GeMTC0.14.3.@*RESULTS@#A total of 50 RCTs were included, including 4260 patients, involving 5 kinds of acupuncture and moxibustion therapies, such as acupuncture, moxibustion, acupoint application, acupoint thread-embedding and auricular point therapy.①In term of total effective rate, acupuncture, moxibustion and acupoint thread-embedding were superior to western medication and auricular point therapy (@*CONCLUSION@#The therapeutic effect of acupuncture and moxibustion on allergic rhinitis is better than western medication, and acupoint thread-embedding has the best curative effect.

Early detection of the bloodstream infection bacteria based on MALDI-TOF MS / 解放军医学杂志

Objective To establish a clinical method for early detection of the bloodstream infection bacteria based on matrix-assisted laser ionization time of flight mass spectrometry (MALDI-TOF MS).Methods After consulting the Laboratory Information System statistics and domestic related literature,We chose 10 kinds of bacteria (Escherichia coli.,Pseudomonas aeruginosa,Acinetobacter baumannii,Klebsiella pneumoniae,Enterococcus faecium,Enterococcus faecalis,Staphylococcus aureus and Staphylococcus epidermidis,Proteus mirabilis,Streptococcus pneumoniae) as target.The MALDI-TOF MS was established using simulated bacterial infection blood samples.From March to May 2017,33 blood samples of suspected sepsis patients from Emergency Department,General Hospital of PLA,were tested.Results The MALDI-TOF MS whose detecting sensitivity was 100CFU/ml had the same negative detection rate with the blood culture (27cases/27cases,100％).Besides the 2 samples of Morganella morganii infection and Staphylococcus hominis infection were out of the range,the results of the remaining 4 positive samples were consistent (100％).Conclusion Compared to the blood culture and biochemical identification,MALDI-TOF MS can rapidly detect 10 kinds of bloodstream infection bacteria with high sensitivity and high accuracy.

Analysis of serum peptides in Candida albicans bloodstream infection based on MALDI-TOF MS / 解放军医学杂志

Objective To analyze the fingerprints of serum peptides in bloodstream infection induced by Candida albicans (C.albicans),with matrix assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS),and establish the corresponding diagnostic model Methods To establish ICR mice model of C.albicans bloodstream infection,and collect the serum samples which were purified by weak cation exchange beads.The serum peptide finger printing was recognized by MALDITOF MS,and BioExplorer software was used for analysis between infection group and normal control group.Furthermore,the peptide fingerprints were analyzed between C.albicans infection group,Escherichia coli (E.coli) infection group and Staphylococcus aureus (S.aureus) infection group.Results Comparison between C.albicans infection group and normal control group,there were 135 polypeptide peaks,of which 5 polypeptides up-regulated,6 down-regulated and 7 up-regulated first and down-regulated afterwards.The diagnostic model was established by combination of 6 peaks (i.e.m/z 1610.9,1742.3,2666.4,2778.0,3345.1 and 4528.8),which possessed an accurate rate of 80.0％ in diagnosis of C.albicans infection.It was found by comprehensive comparison between C.albicans,E.coli and S.aureus infection groups that there were 5 polypeptides expressed collectively,i.e.m/z1513.8,2910.8,3538.1,3884.9 and 5007.3.Conclusions MALDI-TOF MS can be used to distinguish the C.albicans infection and normal polypeptide peaks.The collective polypeptides expressed in the infection groups can be further used to diagnose the infection.Establishment of corresponding diagnostic models may be helpful for early diagnosis of fungal bloodstream infection and provide a basis for reasonable clinical medication.

Establishment and evaluation of a rat model of inhalation lung injury induced by ship smog / 解放军医学杂志

Objective To establish and evaluate a rat model of inhalation lung injury induced by ship smog.Methods A rat model of inhalation lung injury was established by analyzing the composition of ship materials after combustion.Fortytwo healthy male Wistar rats were randomly divided into normal control group and 2,6,12,24,48 and 72h groups (6 each)after inhalation,these rats were killed at each time point,and the changes of arterial blood gas,coagulation function,the lung water content (％) were detected.Macroscopic and microscopic changes in lung tissues were observed to judge the degree of lung injury.Results The main components after combustion of 7 kinds of nonmetal materials on ship included CO,CO2,H2S,NOx and other harmful gases in this study,AIKE in one gas detector was used to monitor O2,CO,CO2 and H2S,and their concentrations remained relatively stable within 15 minutes,and the injury time was 15 minutes.The rats presented with shortness of breath and mouth breathing.Smoke inhalation caused a significant hypoxemia,the concentration of blood COHb reached a peak value 2h and the lung water content (％) did 6h after inhalation (P＜0.05).It is metabolic acidosis in the early stage after inhalation,but metabolic acidosis combined with respiratory acidosis in the later period.Histopathological observation showed diffuse hemorrhage,edema and inflammatory cell infiltration in the lung tissue as manifestations of lung injury,and the injury did not recover at 72h after inhalation,the change of blood coagulation function was not statistically significant.Conclusion A rat model of inhalation lung injury induced by ship smog has been successfully established,and has the advantages of easy replication,stability and reliability,thus can be used to research and treat inhalation lung injury induced by ship smog in naval war environment and other cases.

Expression and variation of MIP-1β, MIP-2, and IL-12p70 in mouse models with bloodstream infection caused by different bacteria / 中国感染控制杂志

Objective To investigate the expression and variation of MIP 1β,MIP-2,and IL-12p70 in mice with bloodstream infection caused by 4 kinds of bacteria.Methods CD-1 (ICR) mouse models of bloodstream infection with Staphylococcus aureus (S.aureus),Enterococcus f aecalis (E.f aecalis),Escherichia coli (E.coli),and K lebsiella pneumoniae (K.pneumoniae) were established.After mice in each trial group and PBS control group were infected by bacteria for 0.5h,1h,3h,6h,12h,24h,and 48h,concentrations of MIP-1β,MIP-2,and IL-12p70 were detected by Luminex liquid suspension chip system.Results Concentrations of MIP-1β increased significantly 1h after bacteria was in blood,S.aureus,E.faecalis,E.coli,K.pneumoniae,and control groups were (134.5 ± 18.3),(61.5 ± 15.4),(3 354.0 ±809.0),(6 888.4 ± 1 100.2),and (28.9 ± 4.6) pg/mL respectively;the peak values of IL-12p70 were (389.3 ± 118.1),(127.6 ± 10.0),(42.2 ± 3.5),(62.8 ± 8.4),and (4.8 ± 0.3) pg/mL respectively.Concentrations of MIP-1β and MIP-2 in E.coli and K.pneumoniae groups were significantly higher than other trial groups and control group (all P＜0.01),while concentrations of IL-12p70 in S.aureus and E.faecalis groups were both significantly higher than E.coli,K.pneumoniae,and control groups (all P＜0.01).Conclusion Concentrations of MIP-1β and MIP-2 in E.coli and K.pneumoniae groups were both significantly higher than those in S.aureus and E.faecalis groups,while concentrations of IL-12p70 in S.aureus and E.faecalis groups were both significantly higher than those in E.coli and K.pneumoniae groups.The combination detection of multiple cytokines or chemokines are valuable in predicting gram-positive or gram-negative bacterial infection,and can provide basis for treatment of early infection.

Significance of Morphological Examination, Cytochemical Staining Combined with Bone Marrow Biopsy in Differential Diagnosis of Myelodysplastic Syndrome with Low Blasts and Hemolytic Anemia / 中国实验血液学杂志

<p><b>OBJECTIVE</b>To explore the value of morphological examination, cytochemical staining combined with bone marrow biopsy in the differential diagnosis between myelodysplastic syndrome (MDS) with low blasts and hemolytic anemia (HA).</p><p><b>METHODS</b>The clinical data of 85 cases of myelodysplastic syndrome with low blasts (< 5%) and 61 patients with hemolytic anemia in Chinese PLA's Gerneral hospital from September 2009 to March 2015 were retrospectively analysed. The clinical characteristics, cytogenetic and molecular features, bone marrow cell count and morphology features, cytochemical staining results and bone marrow biopsy features of above-methioned patients were compared.</p><p><b>RESULTS</b>There was no significant difference (P > 0.05) in clinical data between MDS group and HA group. Megakaryocytic dysplasia-positive rate, and ring sideroblasts positive rate, and PAS positive rate were significantly higher in MDS group than those that in HA group (P < 0.05). Abnormal localization of immature precursors (ALIP) and megakaryocytic dysplasia positive rate in bone marrow biopsy were significantly higher in MDS group than those that in HA group (P < 0.05), 90.6% of MDS with low blasts patients were identifiable by combined detections.</p><p><b>CONCLUSION</b>Combining detection of morphology, cytochemistry staining and bone marrow biopsy has been confirmed to be more useful for differential diagnosis between MDS with low blasts and HA.</p>

Synovial Fluid C-reactive Protein as a Diagnostic Marker for Periprosthetic Joint Infection: A Systematic Review and Meta-analysis / 中华医学杂志(英文版)

<p><b>BACKGROUND</b>Periprosthetic joint infection (PJI) is the main cause of failure following total joint arthroplasty. Until now, the diagnosis of PJI is still confronted with technical limitations, and the question of whether synovial fluid biomarker, C-reactive protein (CRP), can provide high value in the diagnosis of PJI remains unanswered and, therefore, was the aim of the study.</p><p><b>METHODS</b>First, we conducted a systematic review on CRP in the diagnosis of PJI by searching online databases using keywords such as "periprosthetic joint infection", "synovial fluid", and "C-reactive protein". Eligible studies providing sufficient data to construct 2 × 2 contingency tables were then selected based on the list of criteria and the quality of included studies was assessed subsequently. Finally, the reported sensitivity, specificity, diagnostic odds ratio (DOR), summary receiver operating characteristic (SROC) curve, and the area under the SROC (AUSROC) were pooled together and used to evaluate overall diagnostic performance.</p><p><b>RESULTS</b>Seven studies were included in our review, six of which comprising a total of 456 participants were further investigated in our meta-analysis. The pooled sensitivity, specificity, and DOR were 0.92 (95% confidence interval [CI]: 0.86-0.96), 0.90 (95% CI: 0.87-0.93), and 101.40 (95% CI: 48.07-213.93), respectively. The AUSROC was 0.9663 (standard error, 0.0113).</p><p><b>CONCLUSIONS</b>Synovial fluid CRP is a good biomarker for the diagnosis of PJI with high sensitivity and specificity.</p>

Clinical Significance of ID4 Gene Mehtylation in Demethylation-Treated MDS Cell Line and 2 MDS Patients / 中国实验血液学杂志

<p><b>OBJECTIVE</b>To evaluate significance of ID4 gene mehtylation in demethylating myelodysplastic syndrome(MDS) cell Line MUTZ1 and 2 patients with MDS.</p><p><b>METHODS</b>The methylation-specific PCR (MS-PCR) and reverse transcription-PCR (RT-PCR) were applied to identify the methylation status and gene expression of ID4 gene in MDS cell line MUTZ1, a patient with aplastic anemia(AA) and a donor with normal bone marrow (NBM). RT-PCR was applied to detect the ID4 gene expression status in MUTZ1 cell line treated with decitabine at 3 different concentrations. Then bisulfite sequencing PCR (BSP) was applied to detect ID4 gene methylation status in 2 MDS parients treated with decitabine.</p><p><b>RESULTS</b>The MDS cell line MUTZ-1 displayed a complete methylation of ID4 gene promoter with little mRNA expression. Inversely, bone marrow of an AA patient and NBM showed complete unmethylation of this gene with intensity mRNA expression. With the increase of decitabine concentration, ID4 gene mRNA expression was more and more increased. After decitabine treatment, ID4 gene methylation-positive frequencies of both the 2 MDS patients were much more decreased than that of the first treatment. So, ID4 gene mRNA expression inhibited by promoter hypemethylation could be recovered by using demethylation medicine.</p><p><b>CONCLUSION</b>ID4 as a new potential anti-oncogene suggests that its methylation may become a marker for selection and assessment of therapeutic schedules in patients with MDS.</p>

Clinical significance of bone marrow morphological examination and tumor marker detection for lymphoma diagnosis and prognosis / 中国实验血液学杂志

<p><b>OBJECTIVE</b>This study was aimed to evaluate the significance of bone marrow(BM) morphological examination and many tumor marker(TM) detection, especially carcinoembryonic antigen (CEA), cancer antigen 125(CA125), cancer antigen 15-3 (CA15-3) and serum ferritin (SF) for lymphoma diagnosis and prognosis.</p><p><b>METHODS</b>A total of 47 confirmed patients with lymphoma in our hospital from January 2012 to October 2013 and 20 health peoplels as normal controls were performed with bone marrow morphological examination, at the same time, the electrochemistry luminescent technique was applied for detecting levels of TM (especially CEA, CA125, CA15-3 and SF) in serum samples of lymphoma patient and normal controls, then the BM immature lymphocyte counts of these people and clinical parameters were analyzed for diagnosis and prognosis.</p><p><b>RESULTS</b>There was significant differences in all the four TM levels between serum samples of lymphoma patients and normal control (P=0.029, P=0.000, P=0.005, P=0.000). These TM levels had no correlation with age, sex white blood cell, lymphocyte, platelet counts and anemia of lymphoma patients (P>0.05). It was also found that the patients with elevated TM levels had high BM immature lymphocytes (lymphoma cells) counts, B symptoms, advanced clinical stage and high IPI index (P<0.05). The CA15-3 and SF levels in serum samples of lymphoma patients with BM infiltration were higher than that in lymphoma patients without BM infiltration (P=0.002, P=0.000).</p><p><b>CONCLUSION</b>Combination of BM morphological examination with serum TM level detection plays an important role in diagnosis, clinical stage and prognosis evaluation of lymphoma patients. It is also very important for assessing BM infiltration status of lymphoma patients.</p>

Clinical Implications on ZO-1 Gene Methylation in Myelodysplastic Syndrome Progression / 中国实验血液学杂志

<p><b>OBJECTIVE</b>To investigate the clinical significance of ZO-1 gene methylation level in MDS progression in order to provide a theoretical basis for evaluating progrosis of MDS patients.</p><p><b>METHODS</b>The methylation specific PCR (MS-PCR) was performed to evaluate the ZO-1 gene methylation status in bone marrow samples of normal persons as control (NC). MDS and AML patients, the bisulfite sequencing PCR (BSP) was applied to detect the ZO-1 gene methylation status in serial bone marrow samples of MDS-RA, MDS-RAEB and AML stages of a MDS patients.</p><p><b>RESULTS</b>The possitive rate of ZO-1 gene methylation in samples of NC, MDS and AML patients displayed significant difference; in sample of NC group the positive of ZO-1 gene methylation was not observed, but the positive rate of ZO-1 gene methylation in samples of AML patients was highest (65.0%), the proportion of ZO-1 gene methylation in myeloid blast count of MDS/AML patients was higher (P=0.000). The serial samples in one MDS patient showed that along with progress of disease, the positive rate of ZO-1 gene methylation in MDS-RA, MDS-RAEB and AML stages was found to be obvious different (P=0.000), the positive rate of ZO-1 gene methylation in AML stage was highest (64.65%).</p><p><b>CONCLUSION</b>The high methylation in promoter region of ZO-1 gene has been found in MDS/AML patients, and along with clonal proliferation, the positive rate of ZO-1 methylation and positive froguency of methylation sites increase graduatly which suggests that the MDS progresses in a certain degree, and the ZO-1 gene methylation level may be used as an new indicator for monitoring desease progression from MDS to AML.</p>

Induction of adhesion molecule expression in co-culture of human bronchial epithelial cells and neutrophils suppressed by puerarin via down-regulating p38 mitogen-activated protein kinase and nuclear factor κB pathways / 中国结合医学杂志

<p><b>OBJECTIVE</b>In this study, we aimed to investigate the expressions of adhesion molecules on human bronchial epithelial cells and neutrophils in co-culture system, assess the effects of puerarin on suppressing these adhesion molecules expressions, and explore the roles of two crucial signal-transduction elements p38 mitogen-activated protein kinase (p38 MAPK) and nuclear factor kappa B (NF-κB) in modulating adhesion molecules expressions.</p><p><b>METHODS</b>Neutrophils and BEAS-2B cells (one human bronchial epithelial cell line) were co-cultured, and adhesion molecules expressions on cell surface were detected using flow cytometry. The mRNA levels of adhesion molecules were assessed by real-time quantitative polymerase chain reaction (real-time qPCR). Phosphorylated p38 MAPK and inhibitor κB were analyzed by Western blot.</p><p><b>RESULTS</b>In co-culture system, adhesion molecules expressions on BEAS-2B cells and neutrophils were enhanced significantly (P<0.05). Correspondingly, the mRNA levels of adhesion molecules were also increased greatly. Moreover, the pretreatment of peurarin obviously suppressed adhesion molecules expressions on cell surface. Furthermore, phosphorylated p38 MAPK and inhibitor κB in BEAS-2B cells and neutrophils were elevated in co-culture system, but decreased significantly after upon the treatment of peurarin (P<0.05).</p><p><b>CONCLUSIONS</b>Coculture boosted the interactions between human bronchial epithelial cells and neutrophils mimicking airway inflflammation, whereas peurarin decreased the expression of adhesion molecules on cell surface by suppressing the activities of p38 MAPK and NF-κB pathways, and exhibiting its anti-inflflammation activity.</p>

Mechanism concerning antitumor effect of oridonin on multiple myeloma cell line U266 / 中国实验血液学杂志

This study was purposed to investigate the antitumor effect of oridonin on human multiple myeloma cell line U266 and its possible mechanism. The CCK-8 test was used to determine the inhibitory effect of oridonin on proliferation of U266 cells. The morphological changes of U266 cells were observed under optical microscope. The apoptosis rate of U266 cells was detected by flow cytometry. The mRNA levels of FGFR3, BCL2, CCND1 and MYC genes were quantified by using real-time quantitative PCR method, and the protein levels of BCL2, MYC, CCND1, FGFR3 and P53 were detected by Western blot. The results showed that the oridonin obviously inhibited the growth of U266 cell in dose-and time-dependent manners. As for morphological changes, characteristic apoptotic cells presented in U266 cells treated with 10 µmol/L oridonin for 24 hours. The apoptotic rate of U266 cells increased in dose and time dependent manners; after treatment of U266 cells with oridonin the mRNA levels of FGFR3, BCL2, CCND1 and MYC as well as the their protein levels decreased. Occasionally, the oridonin up-regulated the protein levels of P53 in the same manner. It is concluded that the oridonin can exert its anti-tumor effect by inhibiting proliferation and inducing apoptosis of U266 cell in dose dependent and time dependent manners, that maybe give the clues about new program of target therapy for multiple myeloma.

Effect of puerarin on the release of interleukin-8 in co-culture of human bronchial epithelial cells and neutrophils / 中国结合医学杂志

<p><b>OBJECTIVE</b>To investigate the effect of puerarin on interleukin (IL)-8 mRNA expression and the protein release in the co-culture of human bronchial epithelial (BEAS-2B) cells and human neutrophils.</p><p><b>METHODS</b>BEAS-2B cells and neutrophills were cultured separately and co-cultured with puerarin (50, 100, and 200 μg/mL) for a predetermined time. Cytokines in culture supernatant were evaluated by protein array and IL-8 quantified by enzyme-linked immunosorbent assay (ELISA). IL-8 mRNA expression was evaluated by real-time quantitative polymerase chain reaction (real-time qPCR).</p><p><b>RESULTS</b>The co-culture of BEAS-2B cells and neutrophils exhibited synergistic effects on IL-8 mRNA expression in BEAS-2B cells, but not in neutrophils after 12 h incubation (P<0.01), as compared with that in BEAS-2B cells or neutrophils alone. IL-8 protein release in the culture supernatant was obviously elevated when BEAS-2B cells were co-cultured with human neutrophils as compared with that in the supernatant of BEAS-2B cells or neutrophils alone after incubated for 2, 6, 12, and 18 h (P<0.01). Treatment with puerarin could significantly down-regulate the expression of IL-8 mRNA in BEAS-2B cells and IL-8 release in the supernatant of the co-culture of BEAS-2B cells and neutrophils (P<0.01).</p><p><b>CONCLUSION</b>Puerarin could exhibit anti-inflammatory activity by suppressing IL-8 production from the co-culture of human bronchial epithelial cells and neutrophils.</p>

Effects of PI3K inhibitor LY294002 on the differentiation of mouse preadipocytes and the expression of C/EBPα and PPARγ / 中国当代儿科杂志

<p><b>OBJECTIVE</b>This study examined the effects of PI3K inhibitor LY294002 on the differentiation of mouse preadipocytes and the expression of CCAAT enhancer binding protein α (C/EBPα) and peroxisome proliferation activated receptor γ (PPARγ), in order to study the possible roles of insulin receptor substrate (IRSs)/PI3K signal pathway in the differentiation of preadipocytes.</p><p><b>METHODS</b>The mouse 3T3-L1 cells were cultured normally and divided into experimental and control groups. 3T3-L1 cells in the experimental group were treated with PI3K inhibitor LY294002 (25 μmol/L) and those in the control group were treated with DMSO culture medium. 3-isobutyl-1-methylxanthine (IBMX) (0.5 mmol/L), dexamethasone (10-6 mol/L) and insulin (5 μg/mL) were used to induce the differentiation of 3T3-L1 preadipocytes in both groups. Before culture, and 2, 4 and 8 days after culture, the cells were collected to detect the expression of C/EBPα and PPARγ by real-time PCR and Western blot assays. The lipid droplets of 3T3-L1 preadipocytes were observed by oil-red O staining.</p><p><b>RESULTS</b>PI3K inhibitor LY294002 did not affect the expression of C/EBPα and PPARγ in un-induced 3T3-L1 preadipocytes (P>0.05), but decreased the expression of C/EBPα and PPARγ during the in vitro induced differentiation of 3T3-L1 preadipocytes compared with the control group (P<0.05 or 0.01). The lipid droplets count was greatly reduced by LY294002.</p><p><b>CONCLUSIONS</b>PI3K inhibitor LY294002 can inhibit the differentiation of mouse 3T3-LI preadipocytes and the expression of C/EBPα and PPARγ in the differentiation of 3T3-LI preadipoeytes, suggesting that IRSs/PI3K signal pathway may play an important role in the differentiation of 3T3-L1 preadipocytes by regulating the expression of C/EBPα and PPARγ.</p>