Objective To explore the effects of prohibitin 2(PHB2)on sensitivity of non-small cell lung cancer cell line A549 to erlotinib(Erl)and its potential mechanisms.Methods RACK1-specific small interfering RNA was transfected in A549 cells for knocking-down of PHB2.The effects of PHB2 inhibition on cell proliferation and apop-tosis induced by Erl were observed.The colocalization of microtuble-associated protein light chain 3 alpha(LC3)and mitochondria was visualized by MitoTracker staining and green fluorescent protein-microtuble-associated protein light chain 3 alpha(GFP-LC3)transfection.Cell proliferation was detected by 5-ethynyl-2′-deoxyuridine(EdU)staining.Cell colony formation was evaluated by colony forming assay.Apoptotic index of A549 cells was evaluated by TUNEL.Western blot was used to measure the expressions of PHB2 and LC3Ⅱ.Mitochondrial transmembrane potential,cytochrome c and respiratory chain complexⅠ/Ⅱ/Ⅴactivity were analyzed by the commercially availa-ble kits.Results Compared with the siPHB2 and siCtrl+Erl group,the EdU-positive A549 cells and the number of cell colonies decreased significantly(P＜0.05),while the TUNEL-positive A549 cells increased significantly(P＜0.05)in the siPHB2+Erl group.In addition,compared with the siPHB2 and siCtrl+Erl group,mitochondrial transmembrane potential and respiratory chain complexⅠ/Ⅱ/Ⅴactivity decreased significantly(all P＜0.05)and the levels of cytochrome c increased in mitochondrial fractions(P＜0.05)and decreased in cytosolic fractions(P＜0.05)in the siPHB2+Erl group.Conclusions PHB2 inhibition significantly improves sensitivity of A549 cells to Erl,which may be explained by inhibition of PHB2-mediated mitochondrial autophagy.

Objective To explore the effect of etomidate-propofol mixture anaesthesia in painless gastrointestinal endoscopy.Methods Eighty-two patients who underwent painless gastrointestinal endoscopy from September 2023 to November 2023 were divided into etomidate-propofol mixture group(observation group,n=41)and propofol group(control group,n=41)by using the random number table method.Morphine-benzedrine group(MBG)scores were recorded 30 min before the examination and before leaving the recovery room in both groups.Percutaneous arterial oxygen saturation(SpO2),heart rate(HR)and mean arterial pressure(MAP)were noted at anesthesia induction(T0),before entering the endoscope(T1),5 min after anesthesia induction(T2),and awakening(T3).Gastrointestinal endoscopy time,awakening time,recovery room stay time,total propofol consumption,and adverse reactions were also documented.Results MBG scores in both groups significantly increased before leaving the recovery room compared to 30 min before the examination,the observation group had lower MBG scores before leaving the recovery room in comparison with the control group,there were statistically significant(P＜0.05).From T1 to T3,MAP,SpO2,HR were higher in the observation group than those in the control group,there were statistically significant(P＜0.05).The observation group had shorter awakening time and recovery room stay time,there were statistically significant(P＜0.05).The observation group had lower total propofol consumption,there was statistically significant(P＜0.05).The observation group also exhibited a lower incidence of hypotension,hypoxemia,and injection pain,there were statistically significant(P＜0.05),with no statistically significant difference in the incidence of other adverse reactions(P＞0.05).Conclusion Etomidate-propofol combination anesthesia can reduce postoperative MBG scores in painless gastrointestinal endoscopy,contributing to a decreased risk of potential propofol addiction and abuse.Additionally,it stabilizes circulatory and respiratory functions,reduces adverse reactions rate,and shortens awakening time and recovery room stay time.Its application is worthy of further promotion.

Objective To explore the expression of prohibitin(PHB)in tumor tissues and analyze its effect on the prognosis of patients with digestive system malignant tumor(DT)and its mechanism.Methods ①The Cancer Genome Atlas(TCGA)and Genotype-Tissue Expression(GTEx)database were used to compare the expression of PHB in tumor tissues and normal tissues.②Five pairs of gastric cancer and adjacent tissues and 5 pairs of colon cancer and adjacent tissues were collected,and RT-qPCR was used to verify the mRNA expression levels.③ RT-qPCR and Western blotting were used to verify the differential expression of PHB in normal gastric mucosa cells(GES-1),gastric cancer cells(AGS,MKN45 and HGC27),normal colon cells NCM-460 and human colon cancer cell line SW480.④R language was used to analyze the effect of PHB on the prognosis,tumor microenvironment,tumor mutation burden and microsatellite instability of DT patients.⑤CIBERSORT algorithm was used to study the correlation between PHB expression in tumor tissues and tumor immune cell infiltration.Gene Set Enrichment Analysis(GSEA)was used to explore the biological function of PHB.⑥R language was used to analyze the relationship between PHB and drug sensitivity.Results ①PHB was highly expressed in colon cancer,cholangiocarcinoma,esophageal cancer,liver cancer,rectal cancer and gastric cancer(P＜0.01).②RT-qPCR and Western blotting showed that PHB was highly expressed in the tissues and cell lines of gastric cancer(P＜0.01)and colon cancer(P＜0.01).③The differential expression of PHB was associated with poor prognosis of hepatocellular carcinoma(P=0.002).In cholangiocarcinoma,gastric cancer,pancreatic cancer,liver cancer and esophageal cancer,PHB was positively correlated with tumor mutation burden and microsatellite instability(P＜0.05).④PHB was positively correlated with M2 macrophages in colon cancer(P=0.03).In cholangiocarcinoma,it was positively correlated with activated CD4+memory T cells(P＜0.05).In esophageal carcinoma,it was positively correlated with activated hypertrophy(P=0.03).It was positively correlated with M0 and M2 macrophages and monocytes in hepatocellular carcinoma(P＜0.05).It was positively correlated with resting dendritic cells,eosinophils and activated CD4+memory T cells in rectal cancer(P＜0.05).It was positively correlated with M0 macrophages,activated mast cells,neutrophils,resting natural killer cells,activated CD4+memory T cells and follicular helper T cells in gastric cancer(P＜0.05).⑤PHB was mainly enriched in class I receptors,PPAR and calcium signaling pathways(P＜0.05).⑥ The expression of PHB was positively correlated with the sensitivity of 13 drugs,including ammonafide,prasinolide and abiraterone(P＜0.05).Conclusion The expression of PHB is significantly related to the infiltration of various immune cells in DT and poor prognosis in DT patients,which may become a new biomarker and potential immunomodulatory target of DT.

Objective To investigate the status quo of health literacy,motivation and self-management behaviours of patients with knee osteoarthritis(KOA),to explore the influence of health literacy and motivation on self-management behaviours to the patients with KOA,and to clarify the relationships among the three factors.Methods Convenience sampling method was used to select 169 KOA patients who were treated in 3 tertiary hospitals in Xianyang between September and December 2021.General status table,chronic disease health literacy scale,patient motivation scale and chronic disease self-management behaviour scale were employed in the on-the-spot survey.Pearson correlation was used to analyze the correlation of health literacy,motivation and self-management behaviour of patients with KOA.Results Total scores of health literacy,motivation and self-management behaviour of the patients with KOA were 79.66±11.91,54.97±9.95 and 23.75±8.89,respectively.It was found that health literacy and motivation of the patients were positively correlated with their self-management behaviour(r=0.872,r=0.822,both P<0.01).Health literacy of the patients was positively correlated with motivation of patients(r=0.877,P<0.01).Health literacy of the patients could be used to directly predict self-management behaviour of patients(β=0.708,95%CI:0.539-0.876),as well as to predict self-management behaviour of the patients through the mediating effect of patient motivation(β=0.228,95%CI:0.676-0.787).The mediating effect accounted for 24.36%of the total effect.Conclusions The health literacy,motivation and self-management behaviours of patients with KOA are all poor and they should be further improved.Patient motivation is the mediating variable in health literacy and self-management behaviour of the patients.It is suggested that nursing staff could encourage the motivation of patients hence to improve the self-management behaviour in the patients with KOA based on an improvement of health literacy.

Objective:To explore the relationship between lymphovascular invasion and non-sentinel lymph node (NSLN) metastasis in early-stage invasive breast cancer with positive sentinel lymph node (SLN) and its significance.Methods:The clinicopathological data of 79 patients with stage cT 1-2N 0M 0 invasive breast cancer who had positive SLN by biopsy and underwent axillary lymph node dissection (ALND) from January 2015 to February 2021 in the Central Hospital of Wuhan were retrospectively analyzed. The correlation between patients' clinicopathological characteristics and NSLN metastasis was analyzed. Results:Among 79 patients, 58 patients (73.4%) underwent total mastectomy, 61 patients (77.2%) were Luminal type, 38 patients (48.1%) had lymphovascular invasion, 64 patients (81.0%) had 1-2 positive SLN, and 42 patients (53.2%) with NSLN metastasis were found after ALND. Univariate analysis showed that the proportions of patients with lymphovascular invasion diagnosed by immunohistochemistry [86.8% (33/38) vs. 51.2% (21/41)], Ki-67 positive index>30% [60.5% (23/38) vs. 36.6% (15/41)], positive human epidermal growth factor receptor 2 [36.8% (14/38) vs. 14.6% (6/41)], and elevated lymph node pathological staging [57.9% (22/38) vs. 31.7% (13/41)] in the lymphovascular invasion group were higher than those in the non-lymphovascular invasion group (all P < 0.05). Multivariate logistic regression analysis showed that lymphovascular invasion was an independent risk factor for NSLN metastasis ( OR = 2.935, 95% CI 1.081-7.970, P = 0.035). Conclusions:Lymphovascular invasion is an independent risk factor for NSLN metastasis in SLN-positive stage cT 1-2N 0M 0 invasive breast cancer. It may help to guide the decision-making of local axillary treatment, so as to avoid over or under treatment.

Objective:To investigate the efficacy of anaplastic lymphoma kinase-tyrosine kinase inhibitors (ALK-TKI) in treatment of inflammatory myofibroblastic tumor (IMT).Methods:The clinicopathological data of one recurrent abdominal IMT patient in Renmin Hospital of Wuhan University in 2018 were retrospectively analyzed. The clinicopathological and molecular characteristics, ALK-TKI treatment efficacy and prognosis of 41 patients with IMT reported in the literature from January 2010 to August 2020 were systematically reviewed.Results:This patient with abdominal IMT in Renmin Hospital of Wuhan University was a 27-year-old female who relapsed 2 months after surgery. Chemotherapy combined with bevacizumab was ineffective. After oral administration of crizotinib, the condition resolved after 1 month, and complete remission (CR) was achieved after 29 months. The median age of onset of 41 IMT cases reported in the literature was 22 years old (0-61 years old), of which 32 cases (78.0%) had multiple organ involvement, all of which had recurrence or metastasis. There were 38 cases of ALK mutation and 3 cases of TFG-ROS1 fusion gene-positive. Thirty-four patients treated with crizotinib in the first-line treatment of ALK-TKI, and the median resistance time of crizotinib was 8 months (2-48 months). The total clinical benefit rate of ALK-TKI was 85.3% (29/34), and 20 patients achieved CR. The median time for the first CR was 11 months (4-36 months), and the median duration time of medication for CR patients was 19.5 months (2-60 months). The median progression-free survival (PFS) time of 24 patients who underwent surgery and/or chemotherapy and radiotherapy was 4 months (1-45 months); after progression, ALK-TKI treatment was performed, and the median PFS time was 14 months (3-62 months).Conclusions:IMT is a true neoplasm with characteristics of recurrence and metastasis. Reasonable combination of ALK-TKI with surgery, radiotherapy and chemotherapy can improve the prognosis of IMT patients.

Severe and critically ill patients with coronavirus disease 2019 (COVID-19) were usually with underlying diseases, which led to the problems of complicated drug use, potential drug-drug interactions and medication errors in special patients. Based on ( 6), and -19: , we summarized the experience in the use of antiviral drugs, corticosteroids, vascular active drugs, antibacterial, probiotics, nutrition support schemes in severe and critically ill COVID-19 patients. It is also suggested to focus on medication management for evaluation of drug efficacy and duration of treatment, prevention and treatment of adverse drug reactions, identification of potential drug-drug interactions, individualized medication monitoring based on biosafety protection, and medication administration for special patients.
Adrenal Cortex Hormones ; adverse effects ; therapeutic use ; Anti-Bacterial Agents ; therapeutic use ; Antiviral Agents ; adverse effects ; therapeutic use ; Betacoronavirus ; isolation & purification ; Coronavirus Infections ; drug therapy ; Critical Illness ; Drug Therapy ; Humans ; Nutritional Support ; Pandemics ; Pneumonia, Viral ; drug therapy ; Probiotics ; administration & dosage

Nowadays hospitals have been at the forefront fighting against novel coronavirus pneumonia, with diagnosing and treating of patients as a top priority. In order to ensure the smooth progress of diagnosis and treatment, and prevent the occurrence of nosocomial infection, logistics support needs to make allowances for the isolation ward in time from the perspectives of logistics, facilities and equipment, and to transform the in-and-out double channels of ward access as required, thus setting up the partition of the three zones. Secondly, logistics support needs to optimize the logistics service workflow, including the medical waste management, the environmental disinfection isolation, and to optimize the catering service within hospitals to reduce the gathering and flow of personnel. Thirdly, logistics support needs to increase personnel training, and to eliminate psychological panic as well as to stabilize the logistics support team by putting logistics management cadres on the front line. Meanwhile, the logistics department needs to take over the hospital access screening work, strictly manage those who enter the hospital, maximize the safety and reliability of the logistics support within the hospital, and ensure the smooth progress of the epidemic prevention work.

At present, we are fighting against the outbreak of novel coronavirus pneumonia (NCP) in China. For the purposes of diagnosis and treatment of NCP patients, Hangzhou Xixi Hospital, as a designated hospital, make available the wards quickly, initiated the management system of public health emergencies, and established a "tolerate admission- strict discharge" patients management program. Meanwhile, the hospital has established an emergency supply and coordinated distribution mechanism for medical protection materials, and a full-system and multi-model training system, ensuring smooth progress of the diagnosis and treatment work.