Understanding the clinical and molecular epidemiological characteristics of carbapenem-resistant Acinetobacter baumannii infections within intensive care units of three teaching hospitals.

Background: Carbapenem-resistant Acinetobacter baumannii (CRAB) is recognized as a common clinical conditional pathogen with bla gene-mediated multidrug-resistance that is a significant threat to public health safety. Timely and effective infection control measures are needed to prevent their spread.

Methods: We conducted a retrospective study of CRAB patients at three teaching hospitals from 2019 to 2022.

K. pneumoniae ghosts serve as a novel vaccine formulation to enhance immune responses of A. baumannii subunit vaccine in mice.

Acinetobacter baumannii (A. baumannii) is a prominent nosocomial pathogen, posing a significant threat to public health. Urgent efforts are required to develop a safe and effective vaccine.

TMEM16A Activation Inhibits Autophagy in Dorsal Root Ganglion Cells, Which is Associated with the p38 MAPK/mTOR Pathway.

Transmembrane member 16A (TMEM16A) exhibits a negative correlation with autophagy, though the underlying mechanism remains elusive. This study investigates the mechanism between TMEM16A and autophagy by inducing autophagy in DRG neuronal cells using Rapamycin. Results indicated that TMEM16A interference augmented cell viability and reduced Rapamycin-induced apoptosis.

Sub-MIC antibiotics increased the fitness cost of CRISPR-Cas in .

Introduction: The escalating prevalence of bacterial resistance, particularly multidrug-resistant bacteria like , has become a significant global public health concern. The CRISPR-Cas system, a crucial defense mechanism in bacteria against foreign genetic elements, provides a competitive advantage. Type I-Fb and Type I-Fa are two subtypes of CRISPR-Cas systems that were found in A.

Subminimum Inhibitory Concentrations Tetracycline Antibiotics Induce Biofilm Formation in Minocycline-Resistant by Affecting Bacterial Physical and Chemical Properties and Associated Genes Expression.

Biofilm formation of can protect bacteria from antibiotics and is difficult to eradicate. Thus, the influence of subinhibitory concentrations of antibiotics on bacteria is becoming increasingly important. Our study showed that subminimum inhibitory concentrations (sub-MICs) of tetracycline antibiotics can increase biofilm formation in minocycline-resistant clinical strains.

biofilm was inhibited by tryptanthrin through disrupting its different stages and genes expression.

Biofilm formation plays a significant role in antibiotic resistance, necessitating the search for alternative therapies against biofilm-associated infections. This study demonstrates that 20 μg/mL tryptanthrin can hinder biofilm formation above 50% in various strains. Tryptanthrin impacts various stages of biofilm formation, including the inhibition of surface motility and eDNA release in , as well as an increase in its sensitivity to H0.

Operative timing and the safety of emergency laparoscopic cholecystectomy: A retrospective analysis.

The ideal operative timing for laparoscopic cholecystectomy (LC) remains controversial, particularly in emergency patients. This study aimed to evaluate the necessity of operative timing for emergency LC. One hundred ninety-four patients who had undergone operative timings were classified into groups of <72h and >72h from the onset of symptoms to the operation.

Baicalein Resensitizes Multidrug-Resistant Gram-Negative Pathogens to Doxycycline.

As multidrug-resistant pathogens emerge and spread rapidly, novel antibiotics urgently need to be discovered. With a dwindling antibiotic pipeline, antibiotic adjuvants might be used to revitalize existing antibiotics. In recent decades, traditional Chinese medicine has occupied an essential position in adjuvants of antibiotics.

A Novel Mutation Eliminates GATA-1 and RUNX1-Mediated Promoter Activity in Galactosyltransferase Gene.

Introduction: Mutations in the promoter region and exons of ABO gene may cause changes in the expression of blood group antigens, often showing a weak ABO phenotype. Here, we identified a novel weak ABO subgroup allele that caused B phenotype and explored its mechanisms.

Methods: The ABO phenotype of subjects (Chinese Han nationality) was classified by serological method.

Metformin reverse minocycline to inhibit minocycline-resistant Acinetobacter baumannii by destroy the outer membrane and enhance membrane potential in vitro.

Background: Acinetobacter baumannii (A. baumannii) is an opportunistic pathogen and has emerged as one of the most troublesome pathogens. Drug resistance in A.

Whole-Genome Analysis of Strain AB43 Containing a Type I-Fb CRISPR-Cas System: Insights into the Relationship with Drug Resistance.

The CRISPR-Cas system is a bacterial and archaea adaptive immune system and is a newly recognized mechanism for controlling antibiotic resistance gene transfer. () is an important organism responsible for a variety of nosocomial infections. infections have become problematic worldwide because of the resistance of to multiple antibiotics.

Clinicopathological difference between gastric cancer in the lesser curvature and gastric cancer in the greater curvature.

Gastric cancer (GC) is a heterogeneous disease; the tumor distribution and molecular subtype could affect the prognosis of patients with GC. However, the clinicopathological difference between GC in the lesser and that in the greater curvature remains unknown. In this study, we aimed to investigate the difference and provide new clues for the treatment of GC.

CRISPR-Cas in Acinetobacter baumannii Contributes to Antibiotic Susceptibility by Targeting Endogenous .

Acinetobacter baumannii is a well-known human opportunistic pathogen in nosocomial infections, and the emergence of multidrug-resistant Acinetobacter baumannii has become a complex problem for clinical anti-infective treatments. The ways this organism obtains multidrug resistance phenotype include horizontal gene transfer and other mechanisms, such as altered targets, decreased permeability, increased enzyme production, overexpression of efflux pumps, metabolic changes, and biofilm formation. A CRISPR-Cas system generally consists of a CRISPR array and one or more operons of genes, which can restrict horizontal gene transfer in bacteria.

The Involvement of the Gene in the Antimicrobial Resistance of .

is an important, opportunistic nosocomial pathogen that causes a variety of nosocomial infections, and whose drug resistance rate has increased in recent years. The CRISPR-Cas system exists in several bacteria, providing adaptive immunity to foreign nucleic acid invasion. This study explores whether CRISPR-Cas is related to drug resistance.

Clinical effect of repetitive transcranial magnetic stimulation on dysphagia due to stroke.

Background: Repetitive transcranial magnetic stimulation (rT) could change the excitability of the cerebral cortex, and control the neurotransmitter release, with the therapeutic effect depending on stimulation intensity and position. In this study, we used 3 Hz rTMS to stimulate the pharyngeal cortical area of the lesioned hemisphere and to explore its clinical significance in the treatment of dysphagia after acute cerebral infarction.

Methods: A total of 61 in-patients with acute dysphagia caused by cerebral infarction hospitalized in the department of neurology of our hospital were included in this study and were assigned into the control and rTMS group.

Synergistic Activity of Capsaicin and Colistin Against Colistin-Resistant : In Vitro/Vivo Efficacy and Mode of Action.

is an opportunistic pathogen predominantly associated with nosocomial infections. With emerging resistance against polymyxins, synergistic combinations of drugs are being investigated as a new therapeutic approach. Capsaicin is a common constituent of the human diet and is widely used in traditional alternative medicines.

The expression of epidermal growth factor receptor 1 and human epidermal growth factor receptor 2 based on tumor location affect survival in gastric cancer.

To investigate the different expression of epidermal growth factor receptor 1 (EGFR) and human epidermal growth factor receptor 2 (HER2) in gastric cancer based on tumor locations and its impact on patients survival.Gastric cancer is heterogeneous disease, recent years have established a molecular classification and described distribution of molecular subtypes in stomach. However, the difference of EGFR and HER-2 expression among tumor location is still unknown.

Postoperative intraperitoneal hyperthermic perfusion improve survival for advanced gastric cancer.

To evaluate the value of intraperitoneal hyperthermic perfusion (IPHP) in the treatment of gastric cancer.Gastric cancer (GC) is a malignancy with poor prognosis, recent years have demonstrated advances in the use of IPHP for the treatment of advanced gastric cancer (AGC), but the outcome is controversial.Between January 2015 and January 2017, 134 patients with GC were treated with IPHP in our surgery department, 130 of them were advanced GC patients, and other 1439 cases were treated without IPHP for comparison.

Influencing factors of hemorrhagic transformation in non-thrombolysis patients with cerebral infarction.

Objectives: Hemorrhagic transformation (HT) is a serious complication of acute cerebral infarction. The aim of study is to investigate the influencing factors of HT in non-thrombolysis patients with acute cerebral infarction, and to explore its clinical significance.

Patients And Methods: From June 2016 to March 2017, a total of 346 non-thrombolysis patients with acute cerebral infarction hospitalized in the Department of Neurology of Guangdong Second Provincial General Hospital, were chosen and randomly devided into the non-HT group (control) and HT group.

Membrane Vesicles Are the Dominant Structural Components of Ceftazidime-Induced Biofilm Formation in an Oxacillin-Sensitive MRSA.

Methicillin-resistant (MRSA) has received increasing attention in recent years. However, the characteristics and relevant mechanisms of biofilm formation in oxacillin-sensitive MRSA (OS-MRSA) are poorly understood. This study was designed to characterize biofilm formation in OS-MRSA BWSA15 in response to ceftazidime (TZ) by comparing the methicillin-sensitive (MSSA) strain BWSA23 and the oxacillin-resistant MRSA (OR-MRSA) strain BWSA11.

Gardnerella vaginalis and Prevotella bivia Trigger Distinct and Overlapping Phenotypes in a Mouse Model of Bacterial Vaginosis.

Background: Bacterial vaginosis (BV) is a common imbalance of the vaginal microbiota characterized by overgrowth of diverse Actinobacteria, Firmicutes, and Gram-negative anaerobes. Women with BV are at increased risk of secondary reproductive tract infections and adverse pregnancy outcomes. However, which specific bacteria cause clinical features of BV is unclear.

Design and immune characterization of a novel Neisseria gonorrhoeae DNA vaccine using bacterial ghosts as vector and adjuvant.

Gonorrhea, an important sexually transmitted disease, is becoming a growing public health problem around the globe. Vaccination is considered the best long-term approach for control of infection. In this study, we designed a novel Neisseria gonorrhoeae (N.

Effect of PDIA3 gene silence on colonic mast cells and visceral sensitivity of rats with irritable bowel syndrome.

This study aimed to elucidate the role of PDIA3 in visceral hypersensitivity of rats with irritable bowel syndrome (IBS). Fourty eight SD rats were randomly divided into four groups (n=12): control group, IBS-empty virus group (IBS-1), IBS-PDIA3 silence group (IBS-2), and IBS-the control group (IBS-3). Visceral hypersensitivity models were established by using acetic acid enema combined with restraint stress, and assayed by abdominal withdrawal reflexes (AWR).

Is the signet ring cell histological type a positive prognostic factor for gastric adenocarcinoma after D2 radical gastrectomy?

Background: Previous studies indicated the histological type might have prognostic value in gastric adenocarcinoma patients. The aim of this study was to clarify whether the signet ring cell (SRC) histological type of gastric adenocarcinoma is associated with worse prognosis than pure gastric adenocarcinoma without any mixed histological component (PGA) for patients underwent D2 radical gastrectomy.

Method: By the database of 6205 surgical patients with gastric adenocarcinoma at our department between September 2008 and May 2015, we investigated 133 SRC patients and 2847 PGA patients who underwent D2 radical gastrectomy.

Safety of total gastrectomy without nasogastric and nutritional intubation.

The aim of the present study was to evaluate the safety of gastrectomy without nasogastric and nutritional intubations. Between January 2010 and August 2015, 74 patients with gastric cancer received total gastric resection and esophagogastric anastomosis without nasogastric and nutritional intubations at the First Department of Digestive Surgery of the XiJing Hospital of Digestive Diseases (Xi'an, China), of whom 42 were also received earlier oral feeding within 48 h. The data were retrospectively analyzed.