Helicobacter pylori(HP),a well-established carcinogenic factor,is implicated in the pathogenesis of gastric ulcer,gastric cancer,and other related diseases.Recent studies have unveiled a significant association between HP infection and an increased prevalence of non-alcoholic fatty liver disease(NAFLD).Furthermore,it has been observed that eradication of HP can ameliorate metabolic disorders and relieve NAFLD.Some studies have explored the possible mechanism,which may be related to energy metabolism disorder and gut microbiota imbalance caused by HP.This review outlined the current research status regarding the association between HP and NAFLD,as well as elucidated the potential mechanisms through which HP promoted the onset and progression of NAFLD.

Patients with severe trauma require an extremely timely treatment and transfusion plays an irreplaceable role in the emergency treatment of such patients. An increasing number of evidence-based medicinal evidences and clinical practices suggest that patients with severe traumatic bleeding benefit from early transfusion of low-titer group O whole blood or hemostatic resuscitation with red blood cells, plasma and platelet of a balanced ratio. However, the current domestic mode of blood supply cannot fully meet the requirements of timely and effective blood transfusion for emergency treatment of patients with severe trauma in clinical practice. In order to solve the key problems in blood supply and blood transfusion strategies for emergency treatment of severe trauma, Branch of Clinical Transfusion Medicine of Chinese Medical Association, Group for Trauma Emergency Care and Multiple Injuries of Trauma Branch of Chinese Medical Association, Young Scholar Group of Disaster Medicine Branch of Chinese Medical Association organized domestic experts of blood transfusion medicine and trauma treatment to jointly formulate Chinese expert consensus on blood support mode and blood transfusion strategies for emergency treatment of severe trauma patients ( version 2024). Based on the evidence-based medical evidence and Delphi method of expert consultation and voting, 10 recommendations were put forward from two aspects of blood support mode and transfusion strategies, aiming to provide a reference for transfusion resuscitation in the emergency treatment of severe trauma and further improve the success rate of treatment of patients with severe trauma.

Objective:To investigate the value of plasma Epstein-Barr virus (EBV) DNA detection in the screening of nasopharyngeal carcinoma (NPC) and its clinical application in non-high-risk areas.Methods:Plasma EBV DNA results in 1 153 newly diagnosed nasopharyngeal carcinoma patients who were treated in Sichuan Cancer Hospital from 2015 to 2020 and 244 healthy control cases with matched sex and age were retrospectively analyzed. EBV DNA were detected by quantitative real-time PCR. Positive rate of EBV DNA was determined by the cutoff value of 400 (≥400 copies/ml as positive) and optimization threshold method (presence of S amplification curve as positive). Further analyses were conducted to compare EBV DNA load in different clinical stage, TNM stage and regions distribution characteristics. Receiver operating characteristic (ROC) curve analysis was performed to evaluate the diagnostic value of the cutoff value of 400 and optimization threshold method for NPC.Results:Compared with healthy controls, EBV DNA increased significantly in newly diagnosed NPC patients ( P<0.001). Both evaluation methods revealed that the EBV DNA positive percentage increased with TNM and clinical stage ( P<0.001). With 400 copies/ml as cutoff value, the diagnostic sensitivity and specificity were 40.85% and 100%, respectively. The area under the curve was 0.704 (95% CI 0.676-0.733, P<0.001). Evaluated by the optimization threshold method, the sensitivity and specificity could improve to 82.0% and 99.2%, respectively, and the area under the curve reached 0.910 (95% CI 0.894-0.924, P<0.001). Conclusions:In the low prevalence area of nasopharyngeal carcinoma, the sensitivity for diagnosis of nasopharyngeal carcinoma is only 40.9% by the 400 copies/ml cutoff value method. The optimization threshold method is a better choice to improve the diagnostic sensitivity without lowering the diagnostic specificity.

The purpose of the present study was to investigate the effect of transient receptor potential vanilloid 4 (TRPV4) channel on the permeability of pulmonary microvascular endothelial cells (PMVECs) in rats with chronic hypoxia-induced pulmonary hypertension (CHPH), so as to clarify the mechanism of vascular endothelial dysfunction during the occurrence of pulmonary hypertension (PH). CHPH rat model was established by exposure to chronic hypoxia (CH) for 21 days. Primary PMVECs were cultured by adherent tissue blocks at the edge of the lung. The permeability coefficient of primary cultured PMVECs was detected by fluorescein isothiocyanate (FITC)-dextran. The structure of tight junction (TJ) was observed by transmission electron microscope. The expression of TRPV4 and TJ-related proteins, such as, Occludin, Claudin-5, ZO-1 were examined by real-time fluorescence quantitative PCR and Western blotting. The intracellular calcium concentration ([Ca
Animals ; Endothelial Cells ; Hypertension, Pulmonary ; Hypoxia/complications* ; Lung ; Permeability ; Rats ; TRPV Cation Channels/genetics*

Objective:To investigate the effect and mechanism of Yiqi Fuzheng Jiedu decoction （YQFZJDD） on autophagy and growth of A549 cells. Method:A549 cells were intervened with YQFZJDD-containing serum prepared in advance. The levels of microtubule-associated protein 1 light chain 3 （LC3）， homologue of yeast autophagy-related gene 6 （Beclin1）， p62， p53， adenosine 5'-monophosphate-activated protein kinase （AMPK）， phosphorylated AMPK （p-AMPK）， mammalian target of rapamycin （mTOR）， and phosphorylated mTOR （p-mTOR） were detected by Western blot assay， and microtubule-associated protein 1A/1B light chain 3B （MAP1LC3B） by immunofluorescence （IF） assay. The proliferation， invasion， and senescence of A549 cells were separately measured by 5-ethynyl-2'-deoxyuridine （EDU） staining， Transwell assay， and β-galactosidase staining. In the presence of autophagy inhibitor 3-methyladenine （3-MA， 5 mmol·L^-1）， the cells were divided into the 10% fetal bovine serum （blank） group， 10% control serum （control） group， low-， medium-， and high-dose 10% YQFZJDD-containing serum groups， and high-dose 10% YQFZJDD-containing serum + 3-MA group， followed by the measurement of A549 cell proliferation， invasion， and senescence. In the adoption of p53 inhibitor Pifithrin-α （PFT-α， 10 μmol·L^-1）， the cells were divided into the control group， PFT-α group， high-dose YQFZJDD-containing serum group， and high-dose YQFZJDD-containing serum + PFT-α group. Then the LC3-Ⅱ and Beclin1 expression， MAP1LC3B fluorescence intensity， as well as A549 cell proliferation， invasion and senescence were determined. Result:Compared with the blank group and control group， YQFZJDD-containing serum at the medium and high doses up-regulated the protein expression levels of LC3-Ⅱ and Beclin1 in A549 cells after 48-h intervention in a dose-dependent manner （P<0.01）. Besides， YQFZJDD-containing serum at the low-， medium-， and high-doses down-regulated p62 and p-mTOR/mTOR expression （P<0.05， P<0.01）， elevated p53 and p-AMPK/AMPK （P<0.01）， decreased the number of proliferative and invasive cells， increased the number of senescent cells （P<0.01）， and enhanced the IF intensity of MAP1LC3B， with the optimal effect observed in the high-dose YQFZJDD-containing serum group （P<0.01）. Compared with the high-dose YQFZJDD-containing serum group， the high-dose YQFZJDD-containing serum + 3-MA group and high-dose YQFZJDD-containing serum + PFT-α group exhibited significantly increased proliferative and invasive cells but decreased senescent cells （P<0.05， P<0.01）. Meanwhile， the IF intensity of MAP1LC3B in the high-dose YQFZJDD-containing serum + PFT-α group was weakened and the LC3-Ⅱ and Beclin1 protein expression levels declined （P<0.05， P<0.01）. Conclusion:YQFZJDD promotes the autophagy of A549 cells through the p53/AMPK signaling pathway to inhibit their proliferation， invasion and migration but accelerate senescence， thus playing a crucial role in inhibiting the progression of lung cancer.

Objective:To evaluate the efficacy and safety of continuous infusion of low-dose intravenous (Ⅳ) heparin during perioperative period of simultaneous pancreas-kidney (SPK) transplantation for donation after citizen death (DCD) donor to prevent pancreatic thrombosis post-transplantation.Methods:From January 2015 to August 2019, 46 DCD donors undergoing SPK were divided into retrospective cohort groups 1 ( n=27) and 2 ( n=19). Group 1 received aspirin enteric-coated tablets only at Day 1 post-SPK. In Group 2, 5-7 days of continuous infusion of heparin 260 IU per hour at Day 1 post-SPK was followed by a daily intake of aspirin enteric-coated tablets of 100 mg. Incidence of thrombus, recovery of graft function and adverse reactions of anticoagulant therapy were observed. Results:Thrombosis occurred in (5.3%, 1/19 vs 14.8%, 4/27) in heparin and non-heparin groups. Thrombosis and graft loss were significantly lower in heparin group than those in non-heparin group ( P<0.05). Conclusions:Continuous infusion of low-dose heparin vein is effective and safe in preventing thrombosis after SPK transplantation.

ObjectiveTo analyze the timeliness of health science popularization during the outbreak of coronavirus disease 2019 （COVID-19） and its correlation with the epidemic situation and policies. MethodsThe original reports of health science popularization by 26 major media in Shanghai during the COVID19 outbreak between January 19 and March 25 of 2020 were retrieved， and the timeliness of the number of reports， media sources and categories， and contents were analyzed. ResultsDuring the epidemic of COVID-19， public media reported timely. Online media accounted for 63.35%， and text-based reports accounted for 85.90%. There was a correlation between the trend of the number of reports and the development of COVID-19 and the prevention and control policy issued by the government. After the change in the epidemic or the release of policy， the number of reports increased. The top four topics were personal protection， disease treatment， healthy lifestyle and psychological health， accounting for 18.62%， 18.54%， 12.96% and 11.74%， respectively. Reports focused on different aspects at different stages of COVID-19 epidemic， and the number of reports tended to increase one week after the occurrence of major events. ConclusionDuring the COVID-19 epidemic， the coverage of health science on media is timely and targeted. For future similar public health emergencies， it is suggested to respond quickly to major events according to the trend， to carry out publicity timely， to innovate the report forms， and thus make it easy for the public to accept and implement.

Female ; Humans ; Hysteroscopy ; Infertility, Female ; Laparoscopy ; Pregnancy ; Uterus/surgery*

Objective: Several COVID-19 patients have overlapping comorbidities. The independent role of each component contributing to the risk of COVID-19 is unknown, and how some non-cardiometabolic comorbidities affect the risk of COVID-19 remains unclear. Methods: A retrospective follow-up design was adopted. A total of 1,160 laboratory-confirmed patients were enrolled from nine provinces in China. Data on comorbidities were obtained from the patients' medical records. Multivariable logistic regression models were used to estimate the odds ratio ( Results: Overall, 158 (13.6%) patients were diagnosed with severe illness and 32 (2.7%) had unfavorable outcomes. Hypertension (2.87, 1.30-6.32), type 2 diabetes (T2DM) (3.57, 2.32-5.49), cardiovascular disease (CVD) (3.78, 1.81-7.89), fatty liver disease (7.53, 1.96-28.96), hyperlipidemia (2.15, 1.26-3.67), other lung diseases (6.00, 3.01-11.96), and electrolyte imbalance (10.40, 3.00-26.10) were independently linked to increased odds of being severely ill. T2DM (6.07, 2.89-12.75), CVD (8.47, 6.03-11.89), and electrolyte imbalance (19.44, 11.47-32.96) were also strong predictors of unfavorable outcomes. Women with comorbidities were more likely to have severe disease on admission (5.46, 3.25-9.19), while men with comorbidities were more likely to have unfavorable treatment outcomes (6.58, 1.46-29.64) within two weeks. Conclusion Besides hypertension, diabetes, and CVD, fatty liver disease, hyperlipidemia, other lung diseases, and electrolyte imbalance were independent risk factors for COVID-19 severity and poor treatment outcome. Women with comorbidities were more likely to have severe disease, while men with comorbidities were more likely to have unfavorable treatment outcomes.
Adult ; Aged ; COVID-19/virology* ; China/epidemiology* ; Comorbidity ; Female ; Humans ; Male ; Middle Aged ; Retrospective Studies ; Severity of Illness Index ; Treatment Outcome