Free radical synthesis of succinic anhydride grafted poly(lactic acid) porous templates for sustained drug delivery in the buffer media.

Poly(lactic) (PLA) is a biodegradable material obtained from renewable resources and is recognized as a safe biopolymer by the Food and Drug Administration. PLA expresses excellent mechanical and moldability attributes nonetheless poor elasticity/functionality limits its widespread utilization. One approach to compensate for this is chemical surface modification through free radical grafting with small organic molecules like maleic anhydride (MA).

Spinal Anesthesia versus General Anesthesia in the Endoscopic Management of Proximal Ureteral Stones: A Critical Evaluation Focusing on the Total Anesthesia Time.

Introduction: This study aimed to compare spinal and general anesthesia methods in endoscopic management of proximal ureteral stones with a particular emphasis on total anesthesia time.

Methods: A total of 246 adult patients undergoing ureteroscopic management for proximal ureteral stones between January 2021 and March 2023 were enrolled. Two different types of anesthesia, namely, spinal (group 1, n = 109) and general (group 2, n = 137) anesthesia, were applied during these procedures.

Evaluation of health literacy level and personal factors in disease self-management of emergency department patients with chronic diseases.

Background: Effective disease management in individuals with chronic illnesses can improve their health outcomes and reduce repeated visits to emergency departments. In this study, it was aimed to investigate the factors affecting the health literacy levels and disease self-management skills of emergency department patients with chronic diseases.

Method: The data of the cross-sectional study was collected between July and December 2023.

Nurses' level of sleepiness during night shift.

Aims: This study aimed to determine the peak hours of sleepiness and the factors affecting the sleepiness levels of nurses.

Background: Sleepiness is commonly seen in individuals working night shifts. However, in case of nurses, this sleepiness can be a major threat to patient and staff safety.

Development of aminolyzed polylactic acid-based porous films for pH-responsive sustained drug delivery devices.

Biomaterial-based drug-carrying systems have scored enormous focus in the biomedical sector. Poly(lactic acid) (PLA) is a versatile material in this context. A porous and hydrophilic PLA surface can do this job better.

Cold atmospheric plasma modified polycaprolactone solution prior to electrospinning: A novel approach for improving quercetin-loaded nanofiber drug delivery systems.

In this study, we present a novel approach for enhancing the performance of Quercetin-loaded nanofiber drug delivery systems through the modification of Polycaprolactone (PCL) solution using Cold Atmospheric Plasma (CAP) prior to electrospinning. CAP treatment was applied to PCL solutions for varying durations, namely, 0.5, 1, and 3 min.

Gold-hyaluranic acid micromotors and cold atmospheric plasma for enhanced drug delivery and therapeutic applications.

Micro/nanomotors have emerged as promising platforms for various applications, including drug delivery and controlled release. These tiny machines, built from nanoscale materials such as carbon nanotubes, graphene, metal nanoparticles, or nanowires, can convert different forms of energy into mechanical motion. In the field of medicine, nanomotors offer potential for targeted drug delivery and diagnostic applications, revolutionizing areas such as cancer treatment and lab-on-a-chip devices.

Application of Ligand- and Structure-Based Prediction Models for the Design of Alkylhydrazide-Based HDAC3 Inhibitors as Novel Anti-Cancer Compounds.

Histone deacetylases (HDAC) represent promising epigenetic targets for several diseases including different cancer types. The HDAC inhibitors approved to date are pan-HDAC inhibitors and most show a poor selectivity profile, side effects, and in particular hydroxamic-acid-based inhibitors lack good pharmacokinetic profiles. Therefore, the development of isoform-selective non-hydroxamic acid HDAC inhibitors is a highly regarded field in medicinal chemistry.

Possible Clinical Benefits of Cardio-Ankle Vascular Index Measurement in Urological Diseases.

Many factors are considered to affect vascular physiology. It is known that one of the reasons for many diseases is a pathology at the microvascular level. Therefore, the relationship between endothelial dysfunction and many diseases is currently being investigated.

In-vivo or in-vitro stone attenuation: what is more valuable for the prediction of renal stone composition in non-contrast-enhanced abdominal computed tomography?

Objectives: To compare the efficacy of in-vivo and in-vitro stone attenuation in the prediction of stone composition using non-contrast-enhanced abdominal computed tomography (NCCT).

Methods: This study included a total of 104 patients with renal stones who received percutaneous nephrolithotomy treatment for renal stones between December 2016 and December 2019 and underwent NCCT before the procedure. Preoperative (in-vivo) and postoperative (in-vitro) kidney stone attenuations were compared using the NCCT images of the patients.

Synthesis, biological evaluation, and molecular docking studies of aldotetronic acid-based LpxC inhibitors.

In order to develop novel inhibitors of the bacterial deacetylase LpxC bearing a substituent to target the UDP binding site of the enzyme, a series of aldotetronic acid-based hydroxamic acids was accessed in chiral pool syntheses starting from 4,6-O-benzylidene-d-glucose and l-arabinitol. The synthesized hydroxamic acids were tested for LpxC inhibitory activity in vitro, revealing benzyl ether 17a ((2S,3S)-4-(benzyloxy)-N,3-dihydroxy-2-[(4-{[4-(morpholinomethyl)phenyl]ethynyl}benzyl)oxy]butanamide) as the most potent LpxC inhibitor. This compound was additionally tested for antibacterial activity against a panel of clinically relevant Gram-negative bacteria, bacterial uptake, and susceptibility to efflux pumps.

Comparison of split-cuff nipple and modified Lich-Gregoir ureteroneocystostomy in iatrogenic distal ureteral injuries: tertiary care center experience.

Purpose: In this study, we aimed to compare the results of split-cuff nipple and modified Lich-Gregoir ureteroneocystostomy, which are the most commonly used techniques in stage ≥ 3 iatrogenic distal ureteral injuries.

Methods: The files of patients who were treated for iatrogenic distal ureteral injuries in our clinic between January 2013 and January 2019 were retrospectively reviewed. A total of 60 patients who underwent either intra-vesical split-cuff nipple ureteroneocystostomy (Group A) or extra-vesical modified Lich-Gregoir ureteroneocystostomy (Group B) operations were included in the study.

The association between ureteral wall thickness and need for additional procedures after primary ureteroscopy in patients with ureteral stones above the iliac crest.

Purpose: To examine the parameters affecting the need for additional procedures in the primary ureteroscopy treatment in patients with ureteral stones above the iliac crest level.

Methods: Seventy-one patients were included in the study who were ≥ 18 years old and had undergone ureteroscopy (URS) for ureteral stones above the iliac crest level between 2018-2020 and had a non-contrast-enhanced abdominal computed tomography before the procedures were included in the study. Patients and stone characteristics were prospectively collected.

Development of Alkylated Hydrazides as Highly Potent and Selective Class I Histone Deacetylase Inhibitors with T cell Modulatory Properties.

Histone deacetylases (HDACs) are epigenetic regulators and additionally control the activity of non-histone substrates. We recently demonstrated that inhibition of HDAC8 overexpressed in various of cancers reduces hepatocellular carcinoma tumorigenicity in a T cell-dependent manner. Here, we present alkylated hydrazide-based class I HDAC inhibitors in which the -hexyl side chain attached to the hydrazide moiety shows HDAC8 selectivity .

Evaluation of the Rho-kinase gene expression and polymorphisms in adult patients with acute appendicitis: a differential impact of gender.

Objective: Acute appendicitis represents one of the most common causes of acute intra-abdominal emergencies worldwide. In this case-control study, we aimed to investigate associations of Rho-kinase gene expression and polymorphisms with acute appendicitis in a Turkish population. We also aimed to study the effects of gender on these parameters.

Small Changes Make the Difference for SIRT2: Two Different Binding Modes for 3-Arylmercapto-Acylated Lysine Derivatives.

Sirtuins are protein deacylases regulating metabolism and stress responses and implicated in aging-related diseases. Modulators of the human sirtuins 1-7 are sought as chemical tools and potential therapeutics, for example, for treatment of cancer. We were able to show that 3-aryl-mercapto-succinylated- and 3-benzyl-mercapto-succinylated peptide derivatives yield selective Sirt5 inhibitors with low nM values.

Comparison of Laparoscopic and Open Ureterolysis for Retroperitoneal Fibrosis: Results from a Tertiary Referral Center.

To compare the surgical outcomes of open and laparoscopic ureterolysis procedures in patients requiring surgical treatment for ureteral obstruction caused by retroperitoneal fibrosis (RPF). This study was designed retrospectively. The clinical records of patients who underwent ureterolysis between January 2005 and April 2019 because of ureteral obstruction caused by RPF were examined.

Evaluation of endothelial dysfunction with cardio-ankle vascular index measurements in patients with erectile dysfunction.

Background: It has been reported that there is a relationship between erectile dysfunction and endothelial dysfunction. However, a practical and non-invasive method to clinically evaluate this relationship has not yet been determined. The cardio-ankle vascular index is a marker of arteriosclerosis that develops as a result of endothelial dysfunction.

Docking, Binding Free Energy Calculations and In Vitro Characterization of Pyrazine Linked 2-Aminobenzamides as Novel Class I Histone Deacetylase (HDAC) Inhibitors.

Class I histone deacetylases, HDAC1, HDAC2, and HDAC3, represent potential targets for cancer treatment. However, the development of isoform-selective drugs for these enzymes remains challenging due to their high sequence and structural similarity. In the current study, we applied a computational approach to predict the selectivity profile of developed inhibitors.

Vaccination status among patients with the need for emergency hospitalizations related to COVID-19.

Background: It is thought vaccines allowed for emergency use significantly reduce hospitalizations and emergency room visits. It is a matter of curiosity how many of the patients who come to the emergency department (ED) are vaccinated. We aimed to examine the characteristics of ED patients needing hospitalizations related to moderate and severe COVID-19 by vaccination status.

Synthesis, Molecular Docking and Biological Characterization of Pyrazine Linked 2-Aminobenzamides as New Class I Selective Histone Deacetylase (HDAC) Inhibitors with Anti-Leukemic Activity.

Class I histone deacetylases (HDACs) are key regulators of cell proliferation and they are frequently dysregulated in cancer cells. We report here the synthesis of a novel series of class-I selective HDAC inhibitors (HDACi) containing a 2-aminobenzamide moiety as a zinc-binding group connected with a central (piperazin-1-yl)pyrazine or (piperazin-1-yl)pyrimidine moiety. Some of the compounds were additionally substituted with an aromatic capping group.

Penile fracture: Tertiary care center experience and long-term complications after immediate repair.

Background: In the literature, there is not sufficient data on factors affecting the development of complications in patients with penile fracture after early surgical intervention.

Objectives: To investigate the predictors of long-term complications in patients who underwent immediate surgical repair for penile fracture.

Materials/methods: This clinical study included a total of 31 cases of penile fracture in which surgical treatment was performed within the first 24 h and penile fracture was confirmed during the operation.

Synthesis, biological evaluation, and molecular docking studies of deoxygenated C-glycosides as LpxC inhibitors.

The bacterial deacetylase LpxC is a promising target for the development of novel antibiotics being selectively active against Gram-negative bacteria. In chiral pool syntheses starting from d- and l-ribose, a series regio- and stereoisomeric monohydroxytetrahydrofuran derivatives was synthesized and tested for LpxC inhibitory and antibacterial activities. Molecular docking studies were performed to rationalize the obtained structure-activity relationships.