scholarly journals A Comparative Study of the Cytotoxic Effects and Oxidative Stress of Gossypol on Bovine Kidney and HeLa Cell Lines

2021 ◽  
Vol 15 (3) ◽  
pp. 157-164
Author(s):  
Mahsa Daneshmand ◽  
◽  
Jamileh Salar Amoli ◽  
Tahereh Ali Esfahani ◽  
◽  
...  

Background: Cotton seed is one of the main sources of protein in animal feeds, containing gossypol, which has been shown to have toxic effects. Results reported by various studies also indicate the anti-cancer effects of gossypol on various cell types. However, its toxic effects on human and animal cells have not been fully established. This study was planned to investigate, for the first time, the cytotoxic effects and oxidative stress induced by gossypol on normal Bovine Kidney (BK) and HeLa cell lines, representing typical healthy and cancer cells, respectively. Methods: The BK and HeLa cell lines were treated for 24, 48 or 72 hours with 5, 10 or 20 ppm of gossypol (+/-). The cellular bio-availability and cytotoxicity were measured by MTT assay. The catalase and Malondialdehyde (MDA) levels were also measured to represent the oxidative stress parameters. Results: The percentages of cytotoxicity in BK and HeLa cell lines were calculated at a gossypol concentration of 5, 10 and 20 ppm over 24, 48 or 72 hours of incubation, respectively. The Lethal Concentration 50 (lC50) values were also determined for the two cell lines. No changes in the catalase and lipid peroxidase activities were observed in either cell line. Conclusion: The percentage of the gossypol cytotoxicity was concentration-dependent. By comparing the IC50 in both cell lines using one-way Analysis of Variance (ANOVA) analysis, a significant difference was observed, suggesting that Hela cells were less sensitive to gossypol than the BK cells. Lack of changes in the oxidative stress, as tested by catalase and MDA assays, demonstrated that gossypol did not induce oxidative stress in either cell line.

2007 ◽  
Vol 17 (13) ◽  
pp. 3676-3681 ◽  
Author(s):  
Carlos A. Sanhueza ◽  
Carlos Mayato ◽  
Rubén P. Machı´n ◽  
José M. Padrón ◽  
Rosa L. Dorta ◽  
...  

Toxicology ◽  
2006 ◽  
Vol 219 (1-3) ◽  
pp. 73-84 ◽  
Author(s):  
Jiunn-Wang Liao ◽  
Jaw-Jou Kang ◽  
Chian-Ren Jeng ◽  
Shao-Kuang Chang ◽  
Ming-Jang Kuo ◽  
...  

2014 ◽  
Vol 9 (12) ◽  
pp. 1934578X1400901
Author(s):  
Uppuluri V. Mallavadhani ◽  
Banita Pattnaik ◽  
Nitasha Suri ◽  
Ajit K. Saxena

Ursolic acid (1), a natural pentacyclic triterpenic acid, afforded a variety of ring-C transformed products (5–11) when treated with N-bromosuccinimide under the influence of a range of protective groups and solvents. The synthesized compounds have been evaluated for cytotoxic activity against prostate PC 3, leukemia THP 1, cervical Hela and lung A-549 cancer cell lines. Among the tested analogs, compounds 5, 8, 9 and 10 showed potent activity against PC 3, THP 1 and Hela cell lines. Especially, compound 10 showed enhanced activity against the Hela cell line than the parent compound. Compounds 5, 8 and 9 showed comparable activities against PC 3 and THP 1 cell lines.


2021 ◽  
Author(s):  
saranya J ◽  
BS Sre ◽  
M Arivanandan ◽  
K Bhuvaneswari ◽  
S Sherin ◽  
...  

Abstract Using the ultrasonic approach, we produced a morphology involving cerium oxide/ Zinc oxide/graphene oxide (CeO2/ZnO/GO) nanocomposite-based system. The developed nanocomposite was examined using X-Ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and field emission scanning electron microscopy (FESEM). The average crystallite size was found to be 11.44 nm, as determined by XRD. FTIR analysis was used to confirm the existence of functional groups. FESEM was used to verify the morphological properties of CeO2/ZnO/GO. The micromorphology of CeO2/ZnO/GO nanocomposite reveals a smoother sheet-like structure. In addition, using an antiproliferative assay test, the developed nanosystem was evaluated for its scavenging anti-cancer capability against HeLa cell lines at various doses and incubation intervals. In our investigation, the effective IC50 concentration was reported to be 62.5 µg/ml at 72 h. Further, the developed nanosystem was evaluated for its killing efficacy against normal cell line. To identify apoptosis-associated alterations of cell membranes throughout the apoptosis process, a dual acridine orange/ethidium bromide (AO/EB) fluorescent staining was done using CeO2/ZnO/GO nanocomposite at three specific concentrations. The quantitative analysis was carried out using flow cytometry (FACS study) to determine the cell cycle during which the greatest number of HeLa cells were destroyed. According to the results of the FACS investigation, maximum cell cycle has taken place in P2, P4.As a result, the newly designed CeO2/ZnO/GO hybrid has demonstrated improved anti-cancer efficacy against the HeLa cell line, making it a better therapeutic agent for cervical cancer detection.


2003 ◽  
Vol 22 (12) ◽  
pp. 659-664 ◽  
Author(s):  
N A Motsoane ◽  
M J Bester ◽  
E Pretorius ◽  
P J Becker

The use of condoms to prevent sexually transmitted diseases, especially HIV, is widely encouraged. Condoms contain latex, nonspermicidal lubricants (such as dimethylsiliconium) and other nonspecified compounds, such as colorants and flavorings. Latex causes allergy reaction in susceptible individuals but little is known regarding the cytotoxic effects of other additives. The objective of this study was to develop a sensitive in vitrosystem to determine the toxic effects of condom material. The modified L929 FDA method and a more specific cell type, such as the cervical epithelial tumor cell line HeLa, was used. Lubricated (LC), lubricated and flavored (LFC), and lubricated, flavored and colored condoms (LFCC) were evaluated. Washings containing condom surface material were prepared by washing condom fragments in medium for different time intervals. Changes in cell number, viability and lysosome integrity in the L929 and HeLa cell lines was determined using the Crystal Violet, MTT and Neutral Red assays, respectively. The condom type affected cell viability and lysosome integrity, with LC inducing an increase in cell viability and LFC a decrease in lysosome integrity. The HeLa cell line in combination with the MTT and NR assay was the most sensitive in vitro system to determine the toxic effects of condom material.


2019 ◽  
Vol 23 (07n08) ◽  
pp. 908-915 ◽  
Author(s):  
Fatma Yurt ◽  
Kasim Ocakoglu ◽  
Ozge Er ◽  
Hale Melis Soylu ◽  
Mine Ince ◽  
...  

This study, subphthalocyanines (SubPc) and SubPc integrated TiO2 nanoparticles (SubPc-TiO[Formula: see text] were synthesized as novel photosensitizers. Their PDT effects were evaluated. Furthermore, nuclear imaging potential of [Formula: see text]I-labelled SubPc/SubPc-TiO2 were examined in mouse mammary carcinoma (EMT6) and cervix adenocarcinoma (HeLa) cell lines. The uptake results show that SubPc labelled with [Formula: see text]I radionuclide ([Formula: see text]I-SubPc) in EMT6 and HeLa cell lines was found to be approximately the same as in the WI38 cell line. However, the uptake values of SubPc-TiO2 labelled with [Formula: see text]I ([Formula: see text]I-SubPc-TiO[Formula: see text] in EMT6 and HeLa cell lines were determined to be two times higher than in the WI38 cell line. In other words, the target/non-target tissue ratio was identified as two in the EMT6 and HeLa cell lines. [Formula: see text]I-SubPc-TiO2 is promising for imaging or treatment of breast and cervix tumors. In vitro photodynamic therapy studies have shown that SubPc and SubPc-TiO2 are suitable agents for PDT. In addition, SubPc-TiO2 has higher phototoxicity than SubPc. As a future study, in vivo experiments will be held and performed in tumor-bearing nude mice.


Blood ◽  
2009 ◽  
Vol 114 (22) ◽  
pp. 5052-5052
Author(s):  
Hanan Mohammad ◽  
Daniel j Lindner ◽  
Michael Kalafatis

Abstract Abstract 5052 Protein Kinase II (CK2) is a pleiotropic, and ubiquitous serine/threonine kinase taht utilizes both ATP and GTP as phosphate donors. Protein kinase CK2 mostly exists as a tetramer composed of two catalytic subunits α and α‘, which exists in heterogeneous or homogenous nature, and two regulatory β subunits. CK2 is a key regulator of signaling pathways involved in cell cycle, proliferation and apoptosis. It is consistently overexpressed in cancer tissue and capable of shuttling between cellular compartments but mainly localized in the nuclear matrix of cancer cells. CK2 is highly involved in apoptosis suppression, oncogene activation and tumorigenesis. It is also considered a bad prognostic marker in cancer tissue and is suggested to be a promising target for cancer therapy. In this study, we examined the effect, of a specific protein kinase inhibitor, and ATP competitor, 2-dimethylamino-4,5,6,7-tetrabromo-1H-benzimidazole (DMAT), on the growth of various cancer types. We have reported DMAT as a potent cancer therapy. In vitro analysis of the viability of hematologic neoplasms and solid tumors, including human lymphoma U937, hormone dependent breast cancer MCF7, hormone independent breast cancer MDA-MB231 and MDA-MB468, and human cervical cancer HeLa cell lines, revealed marked reduction of cellular viability upon treatment with different DMAT concentration at varying time periods. Lymphoma cell line U937 showed an IC50 between 6 -12 μM. A sharp decrease in cancer cells growth was specifically observed following DMAT treatment of cervical carcinoma HeLa cell line with IC50 between 0.2-0.3 μM. Each of the breast cancer cell lines showed IC50 of 6, 10, and 20 μM DMAT for MDA-MB468, MCF7 and MDA-MB231 respectively. The more cancer cell lines we screen, the more evidence we have to suggest DMAT as a potential anti-cancer therapy. However, the specific mechanism of action of DMAT-inhibited-CK2 pathway in cancer ablation is not clear yet. Using Propidium-Iodide staining in conjunction with flow cytometry techniques, we analyzed and compared cell cycles of treated U937, MCF-7, MDA-MB231, MDA-MB468, and HeLa cell lines. Our data indicate that DMAT induces cell cycle arrest in HeLa cell line at G0/G1 phase. No effect on cell cycle was observed for all other cell lines tested. However, all cell lines underwent apoptosis following treatment with DMAT. Thus far our results suggest that DMAT can induce cell cycle arrest, apoptosis and maybe necrosis or multiple processes at the same time. We suggest that the mechanism of DMAT in cancer inhibition could be of multiple actions which further validate this molecule as a potent cancer therapy that could be suitable for clinical investigation. Disclosures No relevant conflicts of interest to declare.


2020 ◽  
Vol 2020 ◽  
pp. 1-7
Author(s):  
Nazatul Shima Nayan ◽  
Muhammad Aiman Mohd Yazid ◽  
Kamachisree Nallappan ◽  
Amirul Asyiq Amran ◽  
Nur Syuhaidah Zaidi ◽  
...  

Autism has been associated with a low antioxidant defense mechanism, while honey has been known for decades for its antioxidant and healing properties. Determination of stingless bee honey (KH) effects on antioxidant enzyme activities and oxidative damage in Autism Lymphoblastoid Cell Line (ALCL) was performed. ALCL and its normal sibling pair (NALCL) were cultured in RPMI-1640 medium at 37°C and 5% CO2. ALCL was treated with 400 μg/mL KH (24 h), and oxidative stress marker, malondialdehyde (MDA), and antioxidant enzyme activities (catalase (CAT), glutathione peroxidase (GPx), and superoxide dismutase (SOD)) were measured via enzyme-linked immunosorbent assay (ELISA), while deoxyribonucleic acid (DNA) damage was determined via comet assay. Low SOD activity ( p < 0.05 ) and high MDA level ( p < 0.05 ) were observed in ALCL compared to NALCL. Higher grade (Grades 2 and 3) of DNA damage was highly observed ( p < 0.05 ) in ALCL compared to NALCL, whereas lower grade (Grades 0 and 1) DNA damage was highly detected ( p < 0.05 ) in NALCL compared to ALCL. KH treatment caused a significant increase in SOD and GPx activities ( p < 0.05 ) in ALCL compared to untreated ALCL. Correspondingly, KH treatment reduced the Grade 2 DNA damage ( p < 0.05 ) in ALCL compared to untreated ALCL. CAT activity showed no significant difference between all three groups, while the MDA level showed no significant difference between treated and untreated ALCL. In conclusion, KH treatment significantly reduced the oxidative stress in ALCL by increasing the SOD and GPx antioxidant enzyme activities, while reducing the DNA damage.


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