World J Gastrointest Surg
August 2024
Lung cancer is one of the most common malignant tumors in the world. In approximately 30%-40% of lung cancer patients, bone metastases ensues with osteolytic destruction. Worse still, intractable pain, pathological fracture, and nerve compression caused by bone metastases are currently the bottleneck of research, diagnosis, and treatment of lung cancer.
View Article and Find Full Text PDF-Methyladenine (6mdA) and -methylcytosine (4mdC) are the two most dominant DNA modifications in both prokaryotes and eukaryotes, but standard hybridization-based techniques cannot be applied for the 6mdA/4mdC assay. Herein, we demonstrate the silver-coordinated Watson-Crick pairing-driven three-dimensional (3D) DNA walker for locus-specific detection of genomic 6mdA/4mdC at the single-molecule level. 6mdA-DNA and 4mdC-DNA can selectively hybridize with the binding probes (BP1 and BP2) to form 6mdA-DNA-BP1 and 4mdC-DNA-BP2 duplexes.
View Article and Find Full Text PDFBackground: Vitamin B6 is an essential water-soluble vitamin for humans. It is often used to prevent a variety of neuropathies, relieve vomiting, and relieve symptoms such as hand and foot neuritis.
Aim: To evaluate whether vitamin B6 can alleviate the adverse reactions caused by the quadruple anti-Helicobacter pylori treatment regimen containing minocycline and metronidazole.
Background: The optimal treatment for some symptomatic, benign osteopathy lesions is yet to be identified.
Purpose: To investigate the clinical efficiency of cementoplasty in managing symptomatic, benign osteopathy.
Material And Methods: Between June 2006 and January 2020, we retrospectively enrolled 31 patients (10 men, 21 women; mean age = 46.
Objective: The small intestinal bacterial overgrowth (SIBO) in acute pancreatitis correlates with the severity of the disease. However, corresponding studies on the microbial composition of the duodenal mucosa of patients are uncommon.
Methods: Duodenal mucosal biopsies were collected by gastroscopy from 16 patients with mild acute pancreatitis (the Ap group) and 16 healthy individuals (the control group) and subjected to histological studies as well as bacterial 16S rRNA gene sequencing.
Background: Helicobacter pylori (H. pylori) infection is associated with remodeling of gut microbiota. Many studies have found H.
View Article and Find Full Text PDFZhongguo Zhong Yao Za Zhi
September 2022
This study investigated the potential mechanism of Cordyceps militaris(CM) against non-small cell lung cancer(NSCLC) based on serum untargeted metabolomics. Specifically, Balb/c nude mice were used to generate the human lung cancer A549 xenograft mouse model. The tumor volume, tumor weight, and tumor inhibition rate in mice in the model, cisplatin, Cordyceps(low-, medium-, and high-dose), and CM(low-, medium-, and high-dose) groups were compared to evaluate the influence of CM on lung cancer.
View Article and Find Full Text PDFBone metastases are highly prevalent in patients with advanced prostate cancer and breast cancer and have a serious impact on the survival time and quality of life of these patients. It has been reported that microRNAs (miRNAs) are expressed abnormally in different types of cancer and metastases. However, it remains unknown whether the underlying miRNAs are associated with prostate and breast cancer bone metastasis.
View Article and Find Full Text PDFBackground: Nodular lymphoid hyperplasia (NLH) in the small intestine is a rare benign lesion characterized by multiple small nodules on the intestinal surface. Patients with terminal ileal NLH may experience long-term abdominal pain, diarrhea, and abdominal distension, among other symptoms. Supplementation with probiotics could mitigate these symptoms.
View Article and Find Full Text PDFBackground And Aim: Obesity is one of the complications of sedentary lifestyle and high-calorie food intake which become a global problem. Thermogenesis is a novel way to promote anti-obesity by consuming energy as heat rather than storing it as triacylglycerols. Over the last decade, growing evidence has identified the gut microbiota as a potential factor in the pathophysiology of obesity.
View Article and Find Full Text PDFObjective: To investigate the potential therapeutic role of porous SiO -coated ultrasmall selenium particles nanospheres (Se@SiO nanospheres) pretreatment in acute pancreatitis (AP) and to investigate the related mechanism.
Methods: C57BL/6 mice were randomized to the normal control (CON) group, the AP (induced by cerulein injection) (CAE) group, and AP pretreated with Se@SiO nanocomposites at 1 and 2 mg/kg (CAE + 1 or 2 mg/kg Se@SiO ) groups, respectively. Serum levels of amylase and lipase, inflammatory cytokines (interleukin [IL]-6, IL-1β and tumor necrosis factor [TNF]-α), alanine aminotransferase (ALT), aspartate aminotransferase (AST), blood urea nitrogen (BUN), and creatinine (Cr) were measured, and histopathology was performed to examine the tissue samples of the pancreas, lungs, kidneys and liver.
Severe acute pancreatitis (SAP) is a severe acute abdominal disease. Recent evidence shows that intestinal homeostasis is essential for the management of acute pancreatitis. Chitosan oligosaccharides (COS) possess antioxidant activity that are effective in treating various inflammatory diseases.
View Article and Find Full Text PDFAim: To investigate the proportion and characteristic of emmetropia in schoolchildren aged 6-11, especially estimate the normal value of ocular biometric parameters of emmetropia.
Methods: A population-based cross-sectional study was conducted on children aged 6-11y in Shenzhen. Totally, 2386 schoolchildren from two primary schools were involved.
Based on molecular dynamic method, densities, mechanical behavior and mechanical performance of P(BAMO/ AMMO) (Polymer 1) and two novel modified P(BAMO/AMMO) (Polymer 2: containing amino group, Polymer 3: containing nitro group), and their effects on mechanical properties of four energetic materials are investigated, the main results are as follow: Polymer 2 (1.235 g/cm, 240 ± 5 K) and Polymer 3: 1.281 g/cm, 181 ± 3 K) possess higher densities and lower glass transition temperatures than Polymer 1 (1.
View Article and Find Full Text PDFJ Asian Nat Prod Res
July 2021
One new meroterpenoid, antroquinonol Y (), a new ergostane-type sterol, antcamphin Y (), and a new ergostane-type triterpenoid, antcamphin Z (), together with 10 known ones (), were isolated from the dish-cultured fungus . Their structures were characterized by extensive NMR and HRESIMS data analyses. The absolute configurations were elucidated by experimental and calculated electronic circular dichroism (ECD) spectral analyses and chemical semi-synthesis.
View Article and Find Full Text PDFTurmeric (Curcuma longa L.) is a popular herbal medicine worldwide. Curcuminoids and volatile constituents are its major bioactive components.
View Article and Find Full Text PDFGenomic DNA damage and repair are involved in multiple fundamental biological processes, including metabolism, disease, and aging. Inspired by the natural repair mechanism , we demonstrate for the first time the construction of a self-directed replication system for label-free and real-time sensing of repair glycosylases with zero background. The presence of DNA glycosylase can catalyze the excision repair of the damaged base, successively autostarting the self-directed replication through recycling polymerization extension and strand-displacement DNA synthesis for the generation of exponentially amplified dsDNAs.
View Article and Find Full Text PDFTumor-associated macrophages (TAM) play pivotal roles in tumor progression and metastasis, but the contribution and regulation of different macrophage populations remain unclear. Here we show that Notch signaling plays distinct roles in regulating different TAM subsets in hepatocellular carcinoma (HCC). Myeloid-specific NOTCH blockade by conditional disruption of recombination signal binding protein Jκ (RBPj cKO) significantly delayed the growth of subcutaneously inoculated Lewis lung carcinoma (LLC), but accelerated orthotopically inoculated hepatic Hepa1-6 tumors in mice.
View Article and Find Full Text PDFPatients with ovarian cancer frequently develop acquired drug resistance after the long-term chemotherapy, leading to disease progression. Enhanced epithelial-mesenchymal transition (EMT) has been implicated in chemoresistance of ovarian cancer cells; however, the molecular mechanisms involved are largely undefined. Pyruvate dehydrogenase kinase 1 (PDK1), a key regulatory enzyme in glucose metabolism, has been recognized as a gatekeeper of the Warburg effect, a hallmark of cancer.
View Article and Find Full Text PDFClinical studies have confirmed that patients with diabetes had an elevated risk of acute pancreatitis (AP) and diabetes was associated with increased severity and mortality in patients with AP. However, these studies failed to prove a cause-and-effect relationship between diabetes and AP. In the present study, we for the first time have evaluated the effects of diabetes on AP by adopting a type 2 diabetes animal model db/db mice and investigated the possible underlying mechanisms.
View Article and Find Full Text PDFAn increasing number of reports have demonstrated that there is an association between the presence of pathogenic microorganisms and pancreatic cancer. However, the role of the duodenal microbiota in pancreatic carcinogenesis remains unknown. In this study, duodenal mucosal microbiota was analyzed in 14 patients with pancreatic head cancer and 14 healthy controls using 16S rRNA gene pyrosequencing methods.
View Article and Find Full Text PDFThe high mortality rate of ovarian cancer is connected with the development of acquired resistance to multiple cancer drugs, especially cisplatin. Activation of cytoprotective autophagy has been implicated as a contributing mechanism for acquired cisplatin resistance in ovarian cancer cells. Hexokinase 2 (HK2) phosphorylates glucose to generate glucose-6-phosphate, the rate-limiting step in glycolysis.
View Article and Find Full Text PDFNan Fang Yi Ke Da Xue Xue Bao
September 2017
Objective: To investigate the taxonomic richness and diversity of gut microbiota in patients with colorectal adenoma and elucidate the role of gut microorganisms in precancerous lesions in the colon and rectum.
Method: Adenomatous tissues from 31 patients with colorectal adenoma and normal intestinal mucosal tissues from 20 healthy control subjects were collected through colonoscopy. The total bacterial genomic DNA was extracted, and the V-V hypervariable region in bacterial 16S rRNA gene was amplified using polymerase chain reaction and sequenced on an Illumina MiSeq platform.