Apoptotic Effect Of Neferine On Cervical Cancer Cells (HeLa)

INTRODUCTION: Cervical cancer is the fourth most common cancer in worldwide and the leading cause of death among gynecological cancers. Neferine is a bisbenzylisoquinoline alkaloid isolated from the seed embryo of Nelumbo Nucifera. Studies have shown that Neferine has anticancer effects on a variety of human cancer cells. Neferine can induce apoptosis in cancer cells by various mechanisms. In this article; we aimed to show the apoptotic effects of neferin, a natural compound on HeLa cells. METHODS: In this experimental study, 1 human cervical cancer cell line and 1 human embryonic kidney cell line as a control group were used. Cell cultures were obtained from the American Type Culture Collection. 3-4,5-dimethyl-thiazolyl-2,5-diphenyltetrazolium bromide test was performed to determine the maximal inhibition concentration dose of neferin. Expression levels of apoptotic genes and antiapoptotic genes were determined by real-time polymerase chain reaction. The study was repeated in triplicate. RESULTS: The maximal inhibition concentration dose at which neferin inhibited the viability of human cervical cancer cells was determined as 20 micromol. Also, Neferin increased the level of apoptotic genes while decreasing the level of antiapoptotic genes. DISCUSSION AND CONCLUSION: Neferin induced apoptosis by activating the expression of apoptotic genes on human cervical cancer cells

Effect of spacer-arm and Cu(II) ions on performance of L-histidine immobilized on poly(GMA/MMA) beads as an affinity ligand for separation and purification of IgG

WOS: 000238415800011In this study, the beads were prepared from glycidiyl methacrylate (GMA) and methyl methacrylate (MMA) via suspension polymerization and, the used beads fractions were between 75 and 150 mu m. The epoxy groups of the beads were converted into amino groups by the reaction of ammonia or 1,6-diaminohexane as a spacer-arm. L-Histidine ligand was immobilized onto both beads. Cu(II) ions were chelated onto spacer-arm attached and L-histidine immobilized beads. The IgG adsorption capacity of the spacer-arm attached and Cu(II) chelated affinity beads led to higher adsorption capacities about 1.64- and 2.94-fold, respectively. The adsorption equilibrium studies showed that the adsorption isotherm of IgG obeyed the Langmuir isotherm model. The experimental data was well described by the second-order equations. Purification data of IgG with spacer-arm attached and Cu(II) ions chelated (i.e. poly(GMA/MMA)-SAH-Cu(II)) beads indicated that 87.5% of IgG was removed from human serum with a purity of 90%. (C) 2005 Elsevier B.V. All rights reserved

Surface modification of polyacrylonitrile film by anchoring conductive polyaniline and determination of uricase adsorption capacity and activity

WOS: 000278908900038Polyacrylonitrile (PAN) films were modified with chemical polymerization of conductive polyaniline (PANI) in the presence of potassium dichromate as an oxidizing agent. The effect of aniline concentration on the grafting efficiency and on the electrical surface resistance of PAN and (PAN/PANI)-1-3 composite film was investigated. The surface resistances of the conductive composite films were found to be between 6.32 and 0.97 k Omega/cm. As the amount of grafted PANI increased on the PAN films, the electrical resistance of composite film decreased. The PAN/PANI composite films were also characterized using SEM and FTIR. The changes in the surface properties of the films were characterized by contact angle measurements. As expected, the PAN, PAN/PANI and PAN/PANI-uricase immobilized films, exhibited different contact angle values and surface free energy due to different interactive functional groups of the films. The conductive films were well characterized and used for immobilization of uricase. The amount of adsorbed enzyme increases with the increase of surface concentration of grafted fibrous polyaniline polymer. The maximum amount of immobilized enzyme onto composite film containing 2.4% PANI was about 216 mu g/cm(2) (i.e., PAN/PANI-3). The immobilized uricase was reused 24 times in batch wise assay in a day. Finally, the immobilized uricase enzyme system was successfully fabricated and applied to determine the uric acid level in human serum samples. (C) 2010 Elsevier B.V. All rights reserved

Adsorption of IgG on spacer-arm and L-arginine ligand attached poly(GMA/MMA/EGDMA) beads

WOS: 000244375100091This work presents data on human imrnunoglobulin G (HlgG) adsorption onto L-arginine ligand attached poly(GMA/MMA/EGDMA)-based affinity beads which were synthesized from methyl methacrylate (NUVIA) and glycidiyl methacrylate (GMA) in the presence of a crosslinker (i.e., ethylene glycol dimethacrylate; EGDMA) by suspension polymerization. The epoxy groups of the poly(GMA/NMA/ EGDMA) beads were converted into amino groups after reaction with ammonia or 1,6-diaminohexane (i.e., spacer-arm). With L-arginine as a ligand, it was covalently immobilized on the an-dnated (poly(GMA/MMA/EGDMA)AA) and/or the spacer-arm attached (poly(GMA/NMA/ EGDM.A)-SA) beads, using glutaric dialdehyde as a coupling agent. Both affinity poly(GMA/MMA/EGDMA)-based beads were used in HlgG adsorption/desorption studies under defined pH, ionic strength, or temperature conditions in a batch reactor, using acid-treated poly(GMA/MMA/EGDMA) beads as a control system. The poly(GMA/MMA/EGDMA)-SA affinity beads resulted in an increase in the adsorption capacity to HlgG compared with the aminated counterpart (i.e., poly(GMA/MMA/EGDMA)-AA). The maximum adsorption capacities of the poly(GMA/MMA/EGDMA)-AA and poly(GMA/MNA/EGDMA)-SA affinity beads were found to be 112.36 and 142 mg g(-1), and the affinity constants (K-d), evaluated by the Langmuir model, were 2.48 x 10(-7) and 6.98 x 10(-7) M, respectively. Adsorption capacities of the poly(GMA/MMA/EGDMA)-AA and poly(GMA/MMA/EGDMA)-SA were decreased with HIgG by increasing the ionic strength adjusted with NaCl. Adsorption kinetic of HIgG onto both affinity adsorbents was analyzed with first- and second-order kinetic equations. The first-order equation fitted well with the experimental data. (c) 2007 Wiley Periodicals, Inc

Elimination of free formaldehyde in leather by using Vinca rosea and Camellia sinensis extracts

WOS: 000254447600005Even though modern technologies are applied, many chemicals that are hazardous to the environment and human health are used during the leather processing. Formaldehyde is one of the chemicals known to exhibit carcinogenicity. In this research, elimination of free formaldehyde in leather by the application Vinca rosea and Camellia sinensis extracts was investigated. Formaldehyde was quantified with two methods; Draft IUC 19 (HPLC) method and AATCC test method 112. When measured by each method Camellia sinensis extract provided the lowest formaldehyde content in leathers

Elimination of free formaldehyde in leather by using Vinca rosea and Camellia sinensis extracts

WOS: 000254447600005Even though modern technologies are applied, many chemicals that are hazardous to the environment and human health are used during the leather processing. Formaldehyde is one of the chemicals known to exhibit carcinogenicity. In this research, elimination of free formaldehyde in leather by the application Vinca rosea and Camellia sinensis extracts was investigated. Formaldehyde was quantified with two methods; Draft IUC 19 (HPLC) method and AATCC test method 112. When measured by each method Camellia sinensis extract provided the lowest formaldehyde content in leathers

Carvacrol Partially Reverses Symptoms of Diabetes in Stz-Induced Diabetic Rats

Little is known about the protective effects of carvacrol on the symptoms of streptozotocin induced diabetes in rats. Hence, this present study was designed to evaluate the protective effect of the strong antioxidant, carvacrol, on the symptoms of streptozotocin induced diabetes in rats. Carvacrol at the doses of 25 and 50 mg/kg body weight were orally administered to diabetic rats for a period of 7 days after the onset of diabetes. Food-water intake and body weight changes were daily recorded. Biochemical parameters such as serum glucose, insulin, total cholesterol, alanine aminotransferase, aspartate aminotransferase and lactate dehydrogenase were measured. Although treatment of diabetic rats with oral administration of carvacrol resulted in a slight reduction in serum glucose level and significant reduction in serum total cholesterol, alanine aminotransferase, aspartate aminotransferase and lactate dehydrogenase in comparison with diabetic control rats, there were no significant differences in serum insulin levels, food-water intake values and body weight changes. Despite the inadequacy of carvacrol on diabetes treatments, it was determined to have at least a partially protective role on liver enzymes.PubMedWoSScopu

Effects of Interactions among Gene Polymorphisms of the Renin-Angiotensin-Aldosterone System on Hypertension in Turkish People from Southeast Anatolia

WOS: 000467103000005Introduction: Hypertension (HT) is characterized by high blood pressure. The reninangiotensin-aldosterone system (RAAS) plays a crucial role in blood pressure (BP) regulation by maintaining vascular tone and the water-sodium balance. We aimed to investigate whether there is any relation between AGT (M235T), ACE (I/D), and AGTR1 (A1166C) genetic polymorphisms and hypertension among Turkish people from Southeast Anatolia. Method and Results: A total of 210 individuals, consisting of 102 healthy controls and 108 patients with essential hypertension admitted to the Cardiology Department of the Adiyaman University Research and Application Hospital were included the study. DNA isolation was performed from the blood samples via commercial kit. Genotype determination was determined using the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) technique. Statistically significant differences were found between the control and patient groups in terms of genotype distribution and allelic frequencies of ACE I/D polymorphisms. Significant differences were found in the frequencies of ICM, DCM, DCT, DAT between the patient and control groups. Conclusions: In this study, we found a significant association of ACE I/D polymorphism with HT, and we showed that the I allele can increase the risk of HT in Turkish people from Southeast Anatolia. Although we did not find any association between independent AGT M235T and AGT1R A1166C polymorphisms and HT, we observed that the DCM, DCT, and DAT haplotypes of ACE/AGT1R/AGT polymorphisms reduced the risk of hypertension, while the ICM haplotype increased it.Research Foundation of Adiyaman UniversityAdiyaman University [TIPFBAP/2013-0004]This study was supported by a grant from the Research Foundation of Adiyaman University (TIPFBAP/2013-0004), Turkey

Effects of Interactions among Gene Polymorphisms of the Renin–Angiotensin-Aldosterone System on Hypertension in Turkish People from Southeast Anatolia

Introduction: Hypertension (HT) is characterized by high blood pressure. The reninangiotensin-aldosterone system (RAAS) plays a crucial role in blood pressure (BP) regulation by maintaining vascular tone and the water-sodium balance. We aimed to investigate whether there is any relation between AGT (M235T), ACE (I/D), and AGTR1 (A1166C) genetic polymorphisms and hypertension among Turkish people from Southeast Anatolia