Changes and clinical significance of erythrocyte lifespan in megaloblastic anemia / 中华内科杂志

Objective: To investigate the lifespan of erythrocytes in megaloblastic anemia (MA) patients. Methods: A prospective cohort study analysis. Clinical data from 42 MA patients who were newly diagnosed at the Department of Hematology, Lanzhou University Second Hospital from January 2021 to August 2021 were analyzed, as were control data from 24 healthy volunteers acquired during the same period. The carbon monoxide breath test was used to measure erythrocyte lifespan, and correlations between erythrocyte lifespan and laboratory test indexes before and after treatment were calculated. Statistical analysis included the t-test and Pearson correlation. Results: The mean erythrocyte lifespan in the 42 newly diagnosed MA patients was (49.05±41.60) d, which was significantly shorter than that in the healthy control group [(104.13±42.62) d; t=5.13,P=0.001]. In a vitamin B12-deficient subset of MA patients the mean erythrocyte lifespan was (30.09±15.14) d, and in a folic acid-deficient subgroup it was (72.00±51.44) d, and the difference between these two MA subsets was significant (t=3.73, P=0.001). The mean erythrocyte lifespan after MA treatment was (101.28±33.02) d, which differed significantly from that before MA treatment (t=4.72, P=0.001). In MA patients erythrocyte lifespan was positively correlated with hemoglobin concentration (r=0.373), and negatively correlated with total bilirubin level (r=-0.425), indirect bilirubin level (r=-0.431), and lactate dehydrogenase level (r=-0.504) (all P<0.05). Conclusions: Erythrocyte lifespan was shortened in MA patients, and there was a significant difference between a vitamin B12-deficient group and a folic acid-deficient group. After treatment the erythrocyte lifespan can return to normal. Erythrocyte lifespan is expected to become an informative index for the diagnosis and treatment of MA.

Study on ameliorative effect of IDHP on excessive fat accumulation in hepatocytes / 中国药理学通报

Aim To explore whether isopropyl3-(3, 4-dihydroxyphenyl) -2-hydroxypropanoate (IDHP) could inhibit fat accumulation in liver cells by improving mitochondrial function, and alleviate the symptom of excessive fat accumulation in patients with NAFLD. Methods Cell steatosis model was established by inducing hepatocyte fat accumulation using palmitic acid and oleic acid (PA: OA molar ratio =1

Difference in Nocturnal Erectile Function Between SRPE Patients and Normal People / 中山大学学报(医学科学版)

ObjectiveTo compare the nocturnal erectile function between SRPE patients and normal people. MethodsFrom July 1st， 2019 to December 15th， 2022， a clinical comparative study was conducted on 29 SRPE patients （experimental group） and 58 volunteers （control group） who visited our urology department. The Rigiscan System was used to monitor sleep monitoring time， the number of nocturnal erections and the rigidity， duration and circumference growth of the penis when the erection reached 60%～79% and 80%～100%， respectively. The patients and volunteers were asked to make written records when they woke up， and then the total number of awakenings and the number of awakenings when the penis erection reached 60% and 80% were compared between the two groups. ResultsAge was eliminated by matching. There was no statistically significant difference in sleep monitoring time， rigidity， circumference growth and duration of the penis when the erection reached 60%～79% and 80%～100%. between the two groups. In terms of sleep， there was a statistically significant difference in the total number of awakenings between the two groups［3（2 ~ 4）vs 0（0 ~ 0），P<0.01］ .And the same was true for the number of awakenings when the penis erection exceeded 60%～79% ［1（0 ~ 1）vs 0（0 ~ 0），P<0.01］and 80%～100% ［2（1 ~ 3）vs 0（0 ~ 0），P<0.01］. ConclusionRigiscan monitoring showed that there was no difference between SRPE patients and normal male in nocturnal penile erection function. Painful awakening usually occurs when the penis erection reaches 60%～79% or 80%～100%， which reveals that SRPE may be caused by abnormal sensation of nocturnal erections or pain sensitivity in some of these patients.

Inhibitory mechanism of icariin against oxidative stress-induced calcification in aortic vascular smooth muscle cells / 中国中药杂志

This study aimed to observe the inhibitory effect of icariin against oxidative stress-induced calcification in aortic vascular smooth muscle cells(VSMCs) and elucidate the molecular mechanism of icariin in inhibiting endoplasmic reticulum stress(ERS)-mediated atherosclerotic calcification, so as to provide new ideas for exploring the anti-atherosclerotic mechanism of Epimedii Folium. The VSMCs in rat thoracic aorta were subjected to adherent culture and then treated with the complete calcification DMEM containing high glucose and hydrogen peroxide(H_2O_2) for three weeks. The resulting calcified VSMCs were divided into different treatment groups. Icariin was added one week after calcification induction for protecting the VSMCs, whose viability was then detected using cell counting kit-8(CCK-8). Alizarin red-S staining was conducted to observe the calcification degree. The activity of alkaline phosphatase(ALP) in VSMCs was measured using the disodium phenyl phosphate substrate and the calcium content was measured by arsenazo Ⅲ method. The mRNA expression levels of ossification-related factors including osteocalcin(OC), osteopontin(OPN), Runt-related transcription factor 2(Runx2), and type Ⅰ collagen(Col Ⅰa) were detected by real-time PCR. Western blot was carried out to determine the protein expression levels of α-smooth muscle actin(α-SMA), Runx2, activating transcription factor 4(ATF4), and eukaryotic translation initiation factor(eIF)-2α. The results showed that H_2O_2 significantly induced the calcification of VSMCs, increased the ALP activity and calcium content in VSMCs, promoted OC, OPN, Runx2, and Col Ⅰa mRNA expression and Runx2 protein expression, and reduced α-SMA protein expression. The ATF4 protein expression and eIF2α phosphorylation were also elevated significantly. Icariin reversed the calcification of VSMCs induced by H_2O_2, inhibited ALP activity and calcium content in VSMCs, down-regulated the mRNA expression levels of OC, OPN, Runx2 and Col Ⅰa and Runx2 protein expression, and relatively up-regulated the expression of α-SMA. The expression of ATF4 and phosphorylation of eIF2α also declined significantly. All these have demonstrated that icariin inhibited VSMCs calcification by down-regulating the ossification-related factors and lowering ALP activity and calcium content in VSMCs. Besides, the down-regulation of Runx2 expression and the inhibition of ATF4 and eIF2α-mediated cellular calcification pathway in ERS might also be involved in such calcification-suppressing process.

miR-144-3p Inhibits the Invasion and Metastasis of Lung Adenocarcinoma Cells by Targeting IRS1 / 中国肺癌杂志

BACKGROUND@#MicroRNAs (miRNAs) are short non-coding RNAs that regulate gene expression, influence cellular processes, and promote disease development. Variations in miRNA expression have been observed in many diseases, including hepatitis, cardiovascular disease, and cancer. The aim of this study is to investigate the effect of miR-144-3p on the invasion and metastasis of lung adenocarcinoma by targeting recombinant insulin receptor substrate 1 (IRS1).@*METHODS@#The expression of miR-144-3p in patients with lung adenocarcinoma was queried through bioinformatics database. MirTarPathway was used to analyze the KEGG enrichment pathway of miRNA. The expression and plasmid transfection efficiency of miR-144-3p in lung adenocarcinoma cell lines were detected by quantitative reverse transcription polymerase chain reaction (qRT-PCR). Transwell assay was used to detect the changes of cell invasion and migration ability in different groups. Bioinformatics determined the key genes (Hub genes) of miR-144-3p; Double luciferase target assay was used to detect the mutual binding of miR-144 and IRS1. Western blot assay was used to detect the expression of IRS1 in different cell lines and the expression of after overexpression of miR-144.@*RESULTS@#The expression of miR-144-3p in lung adenocarcinoma tissues was decreased, qRT-PCR results indicated that the expression of miR-144-3p in lung adenocarcinoma cell A549 was significantly decreased (P<0.05), and the overexpressed plasmid was successfully transfected (P<0.05). Overexpression of miR-144 decreased the ability of cell migration and invasion (P<0.05). The expression of IRS1 was up-regulated in lung adenocarcinoma tissues. Survival analysis showed that patients with lung adenocarcinoma with high IRS1 expression had a poor prognosis (P<0.05). Double luciferase assay results showed that miR-144 could specifically identify 3'-UTR of IRS1 and inhibit reporter enzyme expression (P<0.05). Western blot indicated that the expression of IRS1 was increased in A549 cells (P<0.05). After overexpression of miR-144, the expression level of IRS1 protein was decreased (P<0.05). Transwell experiment proved that miR-144-3p could inhibit invasion and metastasis of lung adenocarcinoma cells by targeting IRS1 (P<0.05).@*CONCLUSIONS@#MiR-144-3p inhibits the invasion and migration of A549 cells through targeted regulation of IRS1, thus playing an anticancer role in tumors.

Effect of Epimedii Folium Total Flavonoids on Angiogenesis of Ischemic Myocardium in Rats After Acute Myocardial Infarction / 中国实验方剂学杂志

Objective:To observe the effect of total flavonoids from Epimedii Folium （TEF） on the angiogenesis of ischemic myocardium in rats after acute myocardial infarction （AMI） and discuss its molecular biological mechanism of attenuating myocardial ischemia and improving cardiac function. Method:AMI in rats was induced through the ligation of left anterior descending coronary artery. All male SD rats were randomized into sham-operated group， model group， diltiazem group （10 mg·kg^-1·d^-1）， and TEF low-dose and high-dose groups （100 and 200 mg·kg^-1·d^-1）， with 8 rats in each group. After modeling， rats in the diltiazem group and TEF groups were given corresponding doses of diltiazem and TEF， respectively， and those in the model group and sham-operated group received normal saline of equivalent volume， once a day for 7 days. After the administration， VisualSonics Vevo2100 imaging system was used to detect the cardiac structure and function and hematoxylin-eosin （HE） staining to observe the histomorphological changes in myocardial ischemic area. Immunohistochemistry was employed to analyze the expression of CD31 and <italic>α</italic>-smooth muscle actin （<italic>α</italic>-SMA） in ischemic myocardium and Western blot to detect the expression of vascular endothelial growth factor-receptor 2 （VEGF-R2） and phosphorylation of protein kinase B （Akt） in ischemic myocardium. Real-time PCR was applied to quantify the mRNA levels of vascular endothelial growth factor （VEGF） and basic fibroblast growth factor （bFGF）. Result:Compared with the sham-operated group， the model group demonstrated significant increase in left ventricular systolic diameter （LVIDs）， left ventricular internal diameter at end-diastole （LVIDd）， left ventricular end-systolic volume （LVEVs）， and left ventricular end-diastolic volume （LVEVd）， significant decrease in End-systolic thickness of left ventricular anterior wall （LVAWs）， end-diastolic thickness of left ventricle anterior wall （LVAWd）， end systolic thickness of left ventricular posterior wall （LVPWs）， stroke volume （SV）， ejection fraction （EF）， fractional shortening （FS）， and cardiac output （CO）， obvious pathological changes in the ischemic myocardium， and plummet of the expression of CD31 and <italic>α</italic>-SMA （<italic>P</italic><0.01）， Akt phosphorylation level， protein level of VEGF-R2， and mRNA levels of VEGF and bFGF （<italic>P</italic><0.05， <italic>P</italic><0.01）. High-dose TEF significantly alleviated the pathological changes of ischemic myocardium as compared with the model group. Moreover， TEF high-dose group showed significantly lower levels of LVIDs， LVIDd， LVEVs， and LVEVd， significantly higher levels of LVAWs， LVAWd， LVPWs， SV， EF， FS， and CO， higher expression of CD31 and <italic>α</italic>-SMA （<italic>P</italic><0.05， <italic>P</italic><0.01）， and higher levels of VEGF-R2 protein， phosphorylated Akt， and VEGF and bFGF mRNA than the model group （<italic>P</italic><0.05， <italic>P</italic><0.01）. Conclusion:TEF can effectively improve myocardial perfusion in peri-myocardial infarction area and attenuate ventricular remodeling and heart failure after AMI by up-regulating the expression of bFGF， VEGF， and VEGF-R2 in ischemic myocardium following AMI and activating phosphatidylinositol 3-kinases （PI3K）/Akt/VEGF signaling transduction pathway which can promote angiogenesis in ischemic myocardium.

miR-216b-5p Promotes the Migration and Invasion of LN-229 Glioma Cells by Targeting BTN3A2 / 中国生物化学与分子生物学报

Accumulating evidence indicated that microRNAs (miRNA) play an important role in tumor invasion and metastasis by regulating their target genes.However, whether the miRNA-216b-5p(miR-216b-5p ) and their target genes butyrophilin subfamily 3 member A2(BTN3A2) promote glioma invasion and metastasis is unclear.This study aims to study whether miR-216b-5p promoted migration and invasion in glioma cells by negatively regulating BTN3A2.The differential expression analysis of GSE15824 and GSE4290 was analyzed by GEO2R.We found that only BTN3A2 is up-regulated in both GSE15824 and GSE4290 (P<0.05).The gene set enrichment analysis (GSEA) analysis indicated BTN3A2 was related to many cancer-related pathways (P<0.05).The results of survival curves showed that the overall survival of patients with high expression of BTN3A2 decreased significantly (P <0.001).The expression of BTN3A2 was increased with the increase of WHO grade (P<0.05), while the expression of BTN3A2 was increased in 1p/19q uncombined deletion and IDH mutant patients (P<0.001).Western blotting results showed that BTN3A2 was up-regulated in seven glioma tissues and glioma cell lines U87, U251 and LN-229 and downregulated in the miR-216b-5p mimics group; Transwell results showed that transfection with BTN3A2 silencing plasmids(si-BTN3A2) or miR-216b-5p mimics plasmids could inhibit the ability of migration and invasion in LN-229 cells in vitro (P<0.05).The online websites predicted miR-216b-5p as a potential target gene of BTN3A2.The survival curve results show that compared with patients with low expression of miR-216b-5p , the survival rate of patients with high expression was significantly increased (P=0.025).The relative expression of miR-216b-5p was decreased in U87, U251 and LN229 cells was detected by real time quantitative PCR (P<0.05).The results of dual luciferase assay showed that BTN3A2 could bind to miR-216b-5p (P<0.05).Transwell experiment results showed that overexpression of miR-216b-5p can inhibit the migration and invasion ability of LN229 cells (P<0.05).In summary, miR-216b-5p promotes the migration and invasion by targeting BTN3A2 of LN-229 glioma cells.

MiR-654-5p Inhibited Invasion and Metastasis of Breast Cancer Cells by HCFC1 / 中国生物化学与分子生物学报

Studies have confirmed that microRNA (miRNAs) is involved in the development and progression of tumors by targeting multiple genes. However, the molecular mechanism of miR-654-5p in in- hibiting the invasion and metastasis of breast cancer cells through the targeted regulation of host cell factor 1 (HCFCl) is still unclear. The analysis of bioinformatics datasets found that miR-654-5p was downregu-lated in breast cancer tissues and was associated with poor prognosis (P = 0. 013). Quantitative real-time PCR (Quantitative real-time PCR, qRT-PCR) showed that the expression of miR-654-5p in MDA-MB-231 cells was decreased (P<0. 05), and the expression of miR-654-5p was significantly increased after transfection of the overexpressed plasmid (P<0. 05) as compared with the control group. The 5-Ethynyl-2'-deoxyuridine (EdU) proliferation experiment and Transwell assay showed that overexpression of miR-654-5p inhibited the proliferation, migration and invasion of MDA-MB-231 cells (P<0. 05). Hub gene HCFCl of miR-654-5p was screened and constructed by Cytoscape software, and it was found that miR-654-5p was negatively correlated with the expression of HCFCl. The expression of HCFCl was increased in breast cancer tissues and closely correlated with lymph node metastasis, and patients with high expression of HCFCl had poor prognosis (P = 0. 0039). Dual-luciferase assay confirmed that miR-654-5p could bind to the 3'-UTR of HCFClmKNA (P<0. 05). Western blot results showed that compared with human normal breast epithelial cells MCF-10A, the expression of HCFCl was increased in MDA-MB-231 cells (P<0. 05), and the expression of HCFCl was significantly down-regulated after overexpression of miR-654-5p (P<0. 05). Transwell experiment results showed that the migration and invasion ability of MDA-MB-231 cells after overexpression of miR-654-5p was significantly decreased compared with the control group. Co-transfection of HCFCl can partially reverse the inhibitory effect of miR-654-5p on the migration and invasion ability of breast cancer cells (P<0. 05). In conclusion, miR-654-5p can inhibit the proliferation, invasion and metastasis of breast cancer cells by regulating the expression of HCFCl.

Bioinformatics analysis and experimental validation of microRNA-140-3p targeting cell division cycle associated 8 inhibiting invasion and metastasis of lung adenocarcinoma cells / 解剖学报

Objective To investigate the effect of microRNA (miR) - 140-3p targeting cell division cycle associated 8(CDCA8) on invasion and metastasis of lung adenocarcinoma cells. Methods The differentially expressed miRNAs were analyzed by GE02R in GEO database. The target genes of miR-140-3p were searched by TargetScan human7. 2 and miRWalk databases. The hub gene was screened by Cytoscape 3. 7. 2 software. GEPIA database was used to query the expression levels of target gene in lung adenocarcinoma tissues and normal lung tissues, the expression levels in different stages of lung adenocarcinoma, and the relationship between the expression levels of target gene and the overall survival rate of lung adenocarcinoma patients. The survival analysis of miR-140-3p in lung adenocarcinoma and the correlation between miR-140-3p and CDCA8 expression levels were searched in starBase database. Real-time PCR was used to detect the expression levels of miR-140-3p in normal lung epithelial cells BEAS-2B and lung adenocarcinoma cells A549, as well as the efficiency of infection. Expression levels of CDCA8 mRNA and protein were detected by Real-time PCR and Western blotting experiments after overexpression of miR-140-3p. Dual-luciferase reporter assay verified whether miR-140- 3p directly binds to CDCA8. Transwell invasion assay detected the effect of overexpression of miR-140-3p and CDCA8 on the invasiveness of lung adenocarcinoma cells. Results Analysis result from GEO and other databases showed that the expression level of miR-140-3p in normal lung tissues was significantly higher than that in lung adenocarcinoma, and its predicted target gene CDCA8 expression level in lung adenocarcinoma was significantly higher than that in normal lung tissues, and CDCA8 was negatively correlated with the expression level of miR-140-3p in lung adenocarcinoma. The experimental result showed that the expression of miR-140-3p in A549 cells was significantly lower than that in BEAS-2B cells (P<0.05). The expression level of miR-140-3p increased significantly after lentiviral infection (P<0.05). CDCA8 mRNA and protein expression levels were significantly down-regulated after overexpression of miR-140-3p (P<0.05). Dual-luciferase reporter assay result showed that miR-140-3p could directly bind to CDCA8 (P<0.05). Compared with the control group, overexpression of miR- 140-3p inhibited the invasion and metastasis of lung adenocarcinoma A549, while CDCA8 reversed the inhibition of miR-140-3p on the invasion and metastasis of lung adenocarcinoma A549 (P<0.05). Conclusion MiR-140-3p targeting CDCA8 inhibits the invasion and metastasis of lung adenocarcinoma cells.

Effects of probiotic supplements on insulin resistance in patients with diet-controlled gestational diabetes mellitus / 医学研究生学报

ObjectiveAt present, there are few reports on the therapeutic effect of probiotic supplements in patients with dietary-controlled gestational diabetes mellitus (GDM). This study aims to evaluate the effect of probiotic supplements on insulin resistance in patients with dietary-controlled GDM.Methods122 pregnant women with dietary-controlled GDM who could control blood glucose less than 92 mg/dL through diet and exercise were selected from the Obstetrics Department in Bayannur Hospital from February to December 2018. The patients were randomly divided into two groups: Probiotics Group (probiotic supplements containing bifidobacterium and lactobacillus) and Placebo Group (placebo capsules). 61 patients in each group were treated continuously for 4 weeks. The main evaluation index was the mean difference of fasting blood glucose, fasting plasma insulin and insulin resistance index (HOMA-IR) between the two groups, and the secondary evaluation index was the change of maternal weight after intervention.ResultsThe increase of fasting blood glucose [(0.59±6.42)mg/dL], fasting plasma insulin [(1.14±1.95)mIU/mL] and HOMA-IR (0.27±0.45) in the Probiotics Group after intervention were significantly lower than those in the Placebo Group [(4.78±7.47 mg/dL), (3.86±1.82) mIU/mL, (0.86±0.59)], and the difference was statistically significant (P 0.05).ConclusionDuring pregnancy, probiotic supplements for four weeks in patients with dietary-controlled GDM can reduce fasting blood glucose and increase insulin sensitivity. Therefore, probiotic supplements can be used as adjunctive therapy for blood glucose control in patients with dietary-controlled GDM.

Effects of probiotic supplements on insulin resistance in patients with diet-controlled gestational diabetes mellitus / 医学研究生学报

ObjectiveAt present, there are few reports on the therapeutic effect of probiotic supplements in patients with dietary-controlled gestational diabetes mellitus (GDM). This study aims to evaluate the effect of probiotic supplements on insulin resistance in patients with dietary-controlled GDM.Methods122 pregnant women with dietary-controlled GDM who could control blood glucose less than 92 mg/dL through diet and exercise were selected from the Obstetrics Department in Bayannur Hospital from February to December 2018. The patients were randomly divided into two groups: Probiotics Group (probiotic supplements containing bifidobacterium and lactobacillus) and Placebo Group (placebo capsules). 61 patients in each group were treated continuously for 4 weeks. The main evaluation index was the mean difference of fasting blood glucose, fasting plasma insulin and insulin resistance index (HOMA-IR) between the two groups, and the secondary evaluation index was the change of maternal weight after intervention.ResultsThe increase of fasting blood glucose [(0.59±6.42)mg/dL], fasting plasma insulin [(1.14±1.95)mIU/mL] and HOMA-IR (0.27±0.45) in the Probiotics Group after intervention were significantly lower than those in the Placebo Group [(4.78±7.47 mg/dL), (3.86±1.82) mIU/mL, (0.86±0.59)], and the difference was statistically significant (P 0.05).ConclusionDuring pregnancy, probiotic supplements for four weeks in patients with dietary-controlled GDM can reduce fasting blood glucose and increase insulin sensitivity. Therefore, probiotic supplements can be used as adjunctive therapy for blood glucose control in patients with dietary-controlled GDM.

Mechanism of DERL3 Affecting the Proliferation, Invasion and Metastasis of Lung Adenocarcinoma A549 Cells / 中国肺癌杂志

BACKGROUND@#Derlin 3 (DERL3) is downregulated in colorectal cancer (CRC) samples. Its level is closely linked to lymphatic metastasis or distant metastasis rate in CRC patients. However, its biological behavior in lung adenocarcinoma were rarely reported. The aim of this study is to investigate the ectopic expression of DERL3 in lung adenocarcinoma tissues and its effect on the invasion and metastasis of lung adenocarcinoma A549 cell line to reveal the possible mechanism of invasion and metastasis of lung adenocarcinoma.@*METHODS@#Lung adenocarcinoma microarray gene chip data included 3 cases of lymph node metastasis and 3 cases of lung adenocarcinoma tissue without lymph node metastasis. The GEDS and Kaplan-Meier plot queries the survival curve and expression level of DERL3. Western blot was used to detect the expression of DERL3 in lung adenocarcinoma cells. The efficiency of knockdown DERL3 gene was detected by Western blot assay. Transwell detected the number of cells passing through the basement membrane of the transwell. EDU assay detected cell proliferation ability. Western blot detected the expression of epithelial-mesenchymal transition related proteins E-cadherin and Vimentin.@*RESULTS@#The microarray gene chip results showed that compared with lung adenocarcinoma tissues without lymph node metastasis, 1,314 mRNAs in lung adenocarcinoma tissues with lymph node metastasis were up-regulated, 400 mRNAs were down (P<0.05). The expression of DERL3 increased in lung adenocarcinoma (P<0.05). The results of survival curve showed that the lung cancer patients with high expression of DERL3 with poor prognosis (P<0.05). Western blot results indicated that plasmid transfection was successful. Knockdown of DERL3 suppressed the ability of proliferation, invasion and migration in A549 cells (P<0.05). After knockdown of DERL3, the expression level of Vimentin was decreased, while E-cadherin expression increased (P<0.05).@*CONCLUSIONS@#Knockdown of DERL3 inhibited the proliferation, invasion and metastasis of A549 cells.

Systemic reactions to subcutaneous immunotherapy for bronchial asthma and/or allergic rhinitis in children and their risk factors / 中国当代儿科杂志

OBJECTIVE@#To investigate the incidence of systemic reactions (SR) to subcutaneous immunotherapy (SCIT) for bronchial asthma and/or allergic rhinitis in children and their risk factors.@*METHODS@#A retrospective analysis was performed on 198 children with bronchial and/or allergic rhinitis. According to the presence or absence of SR and local reactions (LR) during SCIT, the patients were divided into two groups: SR (with SR and LR, n=31) and control (without SR or LR, n=142). A multivariate logistic regression analysis was used to determine the risk factors associated with SR.@*RESULTS@#Among the 198 patients who received 8 157 injections of SCIT, 25 (12.6%) experienced SR (31 times, 0.38%), including grade I SR (18 times, 58%), grade II SR (10 times, 32%), grade III SR (3 times, 10%), and no grade IV SR. The multivariate logistic regression analysis showed that multiple sensitization with both food and inhaled allergens, specific IgE to dust mites (grade 6), total IgE (grade 6), and a history of LR were independent risk factors for SR (P<0.05).@*CONCLUSIONS@#SCIT is a safe treatment for bronchial asthma and/or allergic rhinitis in children, with a low incidence of SR. Children with multiple sensitization with both food and inhaled allergens, a hypersensitive state (specific IgE to dust mites, grade 6; total IgE, grade 6), and a history of LR have an increased risk of SR to SCIT.

Diagnosis and rational approach to emergency vascular surgery in the shadow of corona virus disease 2019 / 中华普通外科杂志

Objective:To explore a safe, effective and rapid rescue method and key points for the management of vascular surgical emergencies in an area under guarantine against COVID-19(corona virus disease 2019).Methods:Under the guidance of COVID-19 diagnosis and treatment guidelines , 4 cases of vascular surgical emergency patients admitted to our department from Feb 1 to Feb 10, 2020 were screened for COVID-19 and given emergency vascular surgical treatment.Results:Two patients had acute thoracic aortic dissection, one patient had acute left foot ulcer with infection, one patient had severe carotid artery stenosis and frequent TIA. All patients were diagnosed quickly according to the three-level triage process. Endovascular repair(TEVAR) was performed in 2 cases, carotid stenting in 1 case, and left foot amputation in 1 case. Two patients running postoperative fever below 38.5℃ were safely excluded out of COVID-19 and Cured. There were no other major morbidities nor mortality.Conclusions:Under the COVID-19 prevention and control guidelines, the establishing of a comprehensive prevention and control system of patient-medicine-care-management helps to perform confine operation on vascular surgical emergency.

Decision regret analysis among Chinese patients receiving penile girth enhancement with acellular dermal matrix / 北京大学学报(医学版)

OBJECTIVE@#To evaluate decision regret among patients receiving penile girth enhancement with acellular dermal matrix (PGE with ADM) and to investigate the potential indicators for decisional regret so as to facilitate the decision-making process for this special group.@*METHODS@#In the study, 78 patients receiving PGE with ADM from Jun. 2016 to Jan. 2019 at Peking University People's Hospital and cooperative hospitals were eligible. Penile girth was taken by only one surgeon 1 week before surgery. Hospital anxiety and depression scale (HAD), international index of erectile function (IIEF) and a 10 cm long visual analogue scale named visualized penile image (VPI) were applied to measure psychological burden, erectile function and satisfaction with penile image respectively at the same time. All the patients were followed up for 3 months. Decision regret scale (DRS) was adopted for measuring decisional regret. Multivariate analysis of variance was applied to investigate the potential indicators for regret. Data analysis process was conducted with SPSS (version 24.0; SPSS, Chicago, IL, USA).@*RESULTS@#Mean penile girth recorded before intervention was (8.29±0.30) cm and increased to (9.46±0.29) cm post surgery (t=76.28, P < 0.01). As for both subscales of HAD measuring psychological burden, a signi-ficant reduction in the mean score was seen, that is, 2.8±1.3 (t=19.28, P < 0.05) for anxiety and 3.0±1.2 (t=20.67, P < 0.05) for depression, respectively. The average score of VPI increased by 3.7±1.1 (t=30.63, P < 0.05). There was no significant change in the average score of IIEF measuring erectile satisfaction (t=1.60, P=0.11). Twenty-nine (38.2%) patients expressed regret to some degree, and the mean DRS score was 23.4±14.8. The scores of DRS correlated negatively with scores of visualized penis image (r=-0.348, P < 0.01), and positively with scores of anxiety (r=0.760, P < 0.01) and depression subscale (r=0.471, P < 0.01). The scores of DRS was irrelevant to those of IIEF (r=0.02, P=0.867). The patients with high annual income (> 120 000 yuan) and education level above undergraduate were more prone to experience decision regret after intervention (P < 0.01).@*CONCLUSION@#PGE with ADM did augment penile girth and lower psychological burden, the regret rate of which was acceptably low among the patients. High income and good education might indicate more post-operative regret. Additional decision-making aids should be offered to patients with high income and education level above high school.

Diagnosis and rational approach to emergency vascular surgery in the shadow of novel coronavirus pneumonia / 中华普通外科杂志

Objective@#To explore a safe, effective and rapid rescue method and key points for the management of vascular surgical emergencies in an area under guaranting Covid-19 (corona virus disease 2019) .@*Methods@#Under the guidance of COVID-19 diagnosis and treatment guidelines , 4 cases of vascular surgical emergency patients admitted to our department from Feb 1 to Feb 10, 2020 were screened for COVID-19 and given emergency vascular surgical treatment.@*Results@#Two patients had acute thoracic aortic dissection, one patient had acute left foot ulcer with infection, one patient had severe carotid artery stenosis and frequent TIA. All patients were diagnosed quickly according to the three-level triage process. Endovascular repair (TEVAR) was performed in 2 cases, carotid stenting in 1 case, and left foot amputation in 1 case. Two patients running postoperative fever below 38℃ were safely excluded COVID-19 and cured. There were no other major morbidities nor mortality.@*Conclusions@#Under the COVID-19 prevention and control guidelines, the establishing of a comprehensive prevention and control system of patient-medicine-care-management helps to perform confine operation on vascular surgical emergency.

MiR-204 inhibits invasion and metastasis of breast cancer cells by targeted regulation of HNRNPA2B1 / 南方医科大学学报

OBJECTIVE@#To investigate the effect of miR-204 on the invasion and metastasis of breast cancer by targeted regulation of HNRNPA2B1.@*METHODS@#The bioinformatics database was used to obtain data of the expressions of miR-204 in breast cancer patients and the survival rate of the patients. RT-qPCR was used to detect the expression of miR-204 in breast cancer cell lines. The expression vector GV369-miR-204 was used to overexpress miR-204 in MDA-MB-231 cells. Transwell assay was performed to detect the effect of miR-204 on the migration and invasion ability of the breast cancer cells. The key genes (hub genes) of miR-204 were determined by bioinformatics method. A dual luciferase assay was used to analyze the targeting relationship between miR-204 and HNRNPA2B1. The expression of HNRNPA2B1 in MDA-MB-231 cells after miR-204 overexpression was detected by Western blotting, and Transwell assay was used to examine the changes in the cell invasion ability.@*RESULTS@#The expression of miR-204 was decreased in both breast cancer tissues, and was significantly lower in breast cancer MDA-MB-231 cells than in MCF-10A cells ( < 0.05). The decreased expression of miR-204 was associated with poorer prognosis of breast cancer patients ( < 0.05). Upregulation of miR-204 in MDA-MB-231 cells significantly inhibited the invasion and migration of the cells ( < 0.05). Analysis of the data from the Starbase revealed that the expression of miR-204-5p was negatively correlated with the expression of HNRNPA2B1, and the expression of HNRNPA2B1 was increased in breast cancer patients ( < 0.05) in association with a poorer prognosis of the patients ( < 0.05). Dual luciferase assay demonstrated that miR-204 could bind to HNRNPA2B1 in a target-specific manner. Western blotting and Transwell assay showed that miR-204 significant inhibited the migration and invasion ability of breast cancer cells by targeting HNRNPA2B1 ( < 0.05).@*CONCLUSIONS@#miR-204 expression is decreased in breast cancer tissues and cells, and its overexpression can inhibit the invasion and metastasis of breast cancer cells by targeted regulation of HNRNPA2B1.

Resting-state Neural Networks and Granger Causal Connectivity for Patients with Cognitive Impairment Associated with Leukoaraiosis / 中国康复理论与实践

Objective:To compare the difference in resting state networks among leukoaraiosis (LA) patients with or without mild cognitive impairment, and healthy controls, as well as the functional connectivity under Granger causality analysis (GCA). Methods:Subjects aged 40 to 80 years, including 34 LA-MCI patients, 15 LA patients with normal cognition and 33 healthy controls, accepted resting-state functional magnetic resonance imaging. Independent component analysis was used to separate functional brain networks, and difference of activation was determined with two sample t-test. GCA was used to analyze effective connectivity of these functional networks. Results:Eight resting state networks were obtained, including default mode network, motor network, medial visual network, lateral visual network, right-memory network, left-memory network, auditory network and executive network. Activation was different among three groups. Effective connectivity of RSNs was also different among three groups. Conclusion:Components of the resting state networks keep changing as LA progressing. Activation decreases as patients' cognition impaired. The direction and strength of connections remodel.

Professor 's academic thoughts and acupoint selection experience for hot flashes / 中国针灸

Professor is a well-known national veteran doctor with over 70 years of clinical experience. He has unique academic thoughts and clinical experience for common diseases and some difficult and complicated diseases. This paper mainly introduces professor 's syndrome-differentiation thought and experience of acupoint selection for hot flashes. It is emphasized that common hot flashes, such as hot flashes and night sweats, are different between and . While regulating and , more attention should be paid to - harmony, which is not only suitable for women's perimenopausal syndrome, but also for a series of clinical diseases caused by refractory drugs such as endocrine therapy after breast cancer surgery. At the same time of acupoint selection based on syndrome differentiation, a more rational prescriptions should be made according to the duration of the disease and the experience acupoints to improve the clinical efficacy.

Complications and management for penile augmentation with acellular dermal matrix / 北京大学学报(医学版)

OBJECTIVE@#To investigate and analyze the complications of penile augmentation with acellular dermal matrix (ADM) and following management.@*METHODS@#This was a retrospective review of all patients who received penile augmentation with ADM between June 2016 and January 2019. The patients were evaluated with outpatient physical examination. Related complications and following management were summarized and analyzed.@*RESULTS@#Between June 2016 and January 2019, ADM was used as filling material on 78 patients (mean age: 31.14 years, range: 21-66 years), who were successfully received penile augmentation surgery. In the follow-up three months, the penile circumference was increased by 1.1 cm (0.5-2.1 cm) on average. The mean follow-up time was 12.20 months. In this study, there were 47 (60.26%, 47/78) patients with erectile discomfort, 91.49% (43/47) of whom manifested as erectile traction. There were 12 (15.38%, 12/78) patients with delayed healing, improved by daily regular dressing change. There were 10 (12.82%, 10/78) patients with unobvious augmentation effect. There were 9 (11.54%, 9/78) patients with stamp-like changes of ADM. There were 8 (10.26%, 8/78) patients with wound hematoma and 7 (8.97%, 7/78) patients with foreskin edema, relieved by compression with wrap. There were 4 (5.13%, 4/78) patients with wound infection and 3 (3.85%, 3/78) patients with skin necrosis of the dorsal side, which could be treated with ADM removal and repair surgery with bipedicle scrotal flap. And there were 2 (2.56%, 2/78) patients suffering psychological influence. Finally, most patients with various complications recovered successfully, however 7 patients (8.97%, 7/78) underwent ADM removal surgery.@*CONCLUSION@#Using ADM as filling material could achieve positive effect in penile augmentation but the complications are common and cannot be neglected. Standardized surgical methods, rigorous postoperative care, and adequate notification with patients can effectively reduce the complications of penile augmentation with ADM. To treat properly and timely for complications can obtain satisfactory results.