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This study aimed to evaluate if laryngopharyngeal reflux (LPR) plays a role as a risk factor for vocal fold polyps (VFPs), and if pepsin is associated with higher oxidative DNA damage of VFPs in the presence of LPR.
Thirty patients with VFPs were recruited between 2017 and 2018. Prior to surgery, a laryngoscopy was performed on all subjects to evaluate VFPs. Polyp tissue and saliva samples were obtained scrupulously. Hematoxylin-eosin staining was performed for pathologic analysis. Immunohistochemistry and ELISA were used to detect pepsin in tissue and saliva of VFP patients. 8-OHdG and p-H2AX expression was detected to measure oxidative DNA damage in tissue. DNA damage was investigated in human immortalized laryngeal epithelial cells exposed to pepsin.
The pepsin concentration in saliva was significantly higher (t=2.38, P=.024) in the pepsin positive group. There was no significant difference in pepsin expression at different sites and pathological subtypes of VFPs. The levels of 8-OHdG and p-H2AX were significantly higher in the pepsin positive group and positively correlated with the tissue expression of pepsin. AZD1656 Carbohydrate Metabolism activator The concentration of pepsin in saliva also showed a significant correlation with 8-OHdG levels. Expression of 8-OHdG and p-H2AX, and tail moment of the comet assay were elevated in human immortalized laryngeal epithelial cells following treatment with pepsin.
Patients with VFPs have higher levels of oxidative DNA damage in the presence of pepsin reflux. Pepsin may induce DNA damage in laryngeal epithelial cells and participate in the pathogenesis of VFPs.
Patients with VFPs have higher levels of oxidative DNA damage in the presence of pepsin reflux. Pepsin may induce DNA damage in laryngeal epithelial cells and participate in the pathogenesis of VFPs.
The optimal treatment for patients with locally advanced non-small-cell lung-cancer (NSCLC) cT4 cN0/1 cM0 is still under debate. The purpose of this study was to examine the long-term survival of cT4 cN0/1 cM0 NSCLC patients undergoing induction chemotherapy and concurrent radiochemotherapy before surgery.
All consecutive patients with confirmed NSCLC (cT4 cN0/1 cM0) treated with neoadjuvant chemotherapy, concurrent radiochemotherapy (RT/CTx) (45-46 Gy) and surgical resection between 2000 and 2015 were included. According to the UICC guidelines (8th edition), T4 stage was reanalysed by an expert radiologist. The mediastinal staging was performed by systematic EBUS-TBNA or mediastinoscopy. The primary end-point was overall-survival (OS). The power to detect an increase of early tumour-associated mortality (hazard ratio > 3.5) within the first 5 years after treatment in comparison to late deaths beyond 96 months was >80%.
Overall, 67 patients were treated with concurrent RT/CTx. T4 criteria were fulual death rate beyond 8 years of survival as an intercurrent death rate due to comorbidity, this treatment schedulereduces annual mortality to background even in the first 5 years after therapy.
The effectiveness of this trimodality schedule is high in patients with cT4 cN0/1 cM0 NSCLC with excellent local control rates. Considering the annual death rate beyond 8 years of survival as an intercurrent death rate due to comorbidity, this treatment schedule reduces annual mortality to background even in the first 5 years after therapy.Immune-checkpoint inhibitors (ICIs) have revolutionised the therapeutic landscape for multiple malignancies and the health of the gut microbiome (GM) is strongly linked with therapeutic responses to ICI. This review explores the implications of diet and medication on the GM for patients receiving ICI. Clinical trials are underway to explore the impact of factors such as faecal microbiota transfer, probiotics, prebiotics, bacteria consortia and a number of dietary interventions on patients receiving ICI. Randomised controlled trials are lacking, and inferences are currently based on short-term clinical and observational studies. Antibiotics should be avoided before ICI initiation, and depending on prospective data, future consideration may be given to temporary delay of initiation of non-urgent ICI if patient has had broad spectrum antibiotics within 1 month of planned treatment initiation. Proton pump inhibitor use should be discontinued when not clearly indicated and potential switch to a histamine H2-receptor antagonist considered. Patients should be advised to minimise animal meat intake and maximise plants, aiming to consume ≥30 plant types weekly. A high fibre intake (>30 g/day) has been seen to be beneficial in increasing the chance of ICI response. Fermented foods may have a beneficial effect on the GM and should be introduced where possible. Ideally, all patients should be referred to a nutritionist or dietician with knowledge of GM before commencing ICI.
It is important to explore the association between different fertility treatments and the incidence of paediatric cancer, as this will provide crucial guidance for clinical decision-making. Previous studies have explored the relationship between fertility treatments and different types of cancer in offspring, but the results are controversial.
Two authors searched PubMed, Embase, Web of Science and Cochrane databases independently to acquire qualified studies. Then, the same authors extracted data from these studies and analysed these data using RevMan 5.3.
Eleven case-control studies and 16 cohort studies were included in this review and meta-analysis. The relative risk of association between invitro fertilisation (IVF) and paediatric cancer incidence was 1.01 (95% confidence interval [CI] 0.80-1.28) in cohort studies and 1.09 (95% CI 0.74-1.58) in case-control studies. The relative risk of association between intracytoplasmic sperm injection (ICSI) and paediatric cancer incidence was 0.97 (95% CI 0.80tention.The liver is the most commonly injured abdominal organ, accounting for around half of abdominal organ injuries. The emergence of liver injury is determined by the injury mechanism, force, and tissue vulnerability. The vulnerability of the liver depends on the strength of the capsule and parenchyma, as well as the weight and dimensions of the liver. The common hepatic diseases, like steatosis, fibrosis, and cirrhosis, can change the organ weight and dimensions, but their exact correlation is not well known. This study was designed to evaluate the correlation between liver diseases, weight, and dimensions. The liver weight, horizontal, vertical, and antero-posterior length were measured obtained by 213 forensic autopsies. The recorded data were compared with body height, age, and liver histology. Body height positively correlated with liver weight (R2 = 0.252), but the correlation was much stronger in the case of livers without structural disease (R2 = 0.450). The liver size seems to significantly decrease with age (R2 = 0.
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