Cutaneous and Ocular Toxicology最新文献

{"title":"Evaluating the concentration dependent dual effects of <i>β-Glucan</i> on cancerous skin cells and mitochondria isolated from melanoma-induced animal model.","authors":"Yalda Arast, Hanife Esfandiari, Farzane Kamranfar, Zahra Mousavi, Mahdieh Ameri Shah Reza, Jalal Pourahmad","doi":"10.1080/15569527.2024.2410355","DOIUrl":"10.1080/15569527.2024.2410355","url":null,"abstract":"<p><strong>Introduction: </strong>Melanoma is still one of the deadliest cancers whose prevalence has increased in recent decades. Today, many polysaccharides and their bioactive compounds have been of special importance in modern biotechnology. They have various biological and therapeutic properties. they can regulate and strengthen the immune system, lower blood pressure and cholesterol, and reduce bacterial and viral infections. According to studies, these compounds also have antitumor properties. we investigated the cytotoxic effects of <i>β-Glucan</i> obtained from solid-state fermentation (SSF) of edible medicinal mushroom <i>Lentinus edodes</i> on cancerous skin cells.</p><p><strong>Materials and methods: </strong>The mitochondria were isolated from melanoma cells via differential centrifugation and treated with various concentrations (30, 45, 60, 90, 120, and 240 µg/ml) of <i>β-Glucan</i> extract. Then, they were subjected to MTT, ROS, MMP decline, mitochondrial swelling, cytochrome c release, and flow cytometry assays.</p><p><strong>Results: </strong>The results of the MTT assay showed that IC50 of <i>β-Glucan</i> extract was 60 μg/ml, and it induced a selectively significant (P < 0.05) concentration-dependent decrease in the SDH activity in cancerous skin mitochondria. At higher concentrations, no such effect was observed. The ROS results also showed that 30, 45, and 60 µg/ml concentrations of <i>β-Glucan</i> extract significantly increased ROS. However, no such effect was observed at higher concentrations. MMP decline and the release of cytochrome c in cancer groups mitochondria and swelling were significantly increased at 30, 45, and 60 µg/ml compared to the control group. At higher concentrations, no such effect was observed. <i>β-Glucan</i> extract at 60 µg/ml concentration increased apoptosis on melanoma cells, while it had no effect on control non-tumour cells.</p><p><strong>Discussion and conclusion: </strong>Based on these results, <i>β-Glucan</i> extract at 30, 45, and 60 µg/ml showed a cytotoxic effect, while no such effect was observed at higher concentrations. Overall, it seems that <i>β-Glucan</i> has antioxidant and free radical scavenging effects on cancer cells at higher concentrations.</p>","PeriodicalId":11023,"journal":{"name":"Cutaneous and Ocular Toxicology","volume":" ","pages":"1-9"},"PeriodicalIF":1.6,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142399699","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of the early effects of the first-dose administration of the Sinovac vaccine on the retina, choroid, and optic disc using optical coherence tomography (OCT) and OCT-angiography.","authors":"Yelda Yildiz Tasci, Mehmet Icoz, Sule Gokcek Gurturk Icoz, Ozge Saritas, Mucella Arikan Yorgun, Yasin Toklu","doi":"10.1080/15569527.2024.2408683","DOIUrl":"https://doi.org/10.1080/15569527.2024.2408683","url":null,"abstract":"<p><strong>Aim: </strong>To determine the effects of the first-dose administration of the Sinovac vaccine on the retina, choroid, and optic disc in healthy participants.</p><p><strong>Methods: </strong>This prospective design study was conducted with 27 healthy healthcare workers who received the first dose of Sinovac vaccine and 25 healthy controls who were not vaccinated. In the vaccinated group, ophthalmological examinations and measurements were performed before vaccination and one week and one month after vaccination. Subfoveal, nasal, and temporal choroidal thicknesses (CTs), retinal nerve fiber layer (RNFL) thickness, and macular thickness (MT) were determined using spectral domain-optical coherence tomography at all visits. Superficial, deep, and peripapillary radial capillary plexus (superficial capillary plexus, deep capillary plexus (DCP), and radial peripapillary capillary, respectively), choriocapillaris vascular density, and foveal avascular zone parameters were measured on optical coherence tomography-angiography (OCT-A).</p><p><strong>Results: </strong>No significant difference was detected between the two groups in terms of the parameters measured by OCT and OCT-A (<i>p</i> > 0.05 for all). The CT values measured in all quadrants were significantly higher at the first week after vaccination (<i>p</i> < 0.05 for all), and they returned to their pre-vaccination values at the first month post-vaccination measurement (<i>p</i> > 0.05 for all). Concerning the RNFL and MT values, there was no significant difference between the pre-vaccination and post-vaccination first-week measurements (<i>p</i> > 0.05 for all), but a statistically significant increase was detected in the post-vaccination first-month MT and RNFL measurements (<i>p</i> < 0.05 for all). Only the decreases in the foveal DCP and choriocapillaris vascular density values were significant at the first week after vaccination (<i>p</i> < 0.05 for all).</p><p><strong>Conclusion: </strong>The early changes detected after vaccination in this study suggest the possibility that autoimmune, vascular, and inflammatory diseases may simultaneously emerge in the early post-vaccination period or may be triggered after vaccination, or that the vaccine may unmask these diseases.</p>","PeriodicalId":11023,"journal":{"name":"Cutaneous and Ocular Toxicology","volume":" ","pages":"1-7"},"PeriodicalIF":1.6,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142388801","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Corneal endothelial density and morphology in long-term soft contact lens users in Japan: a retrospective cross-sectional study of 17,732 eyes.","authors":"Takashi Ono, Tomoko Kaida, Shizuka Higashi, Yosai Mori, Ryohei Nejima, Takuya Iwasaki, Fumie Kagaya, Takashi Miyai, Kazunori Miyata","doi":"10.1080/15569527.2024.2408685","DOIUrl":"https://doi.org/10.1080/15569527.2024.2408685","url":null,"abstract":"<p><strong>Purpose: </strong>There is a lack of long-term and large-scale studies on the adverse effects of soft contact lenses (SCLs) on the corneal endothelia of Asian populations. Here, we aimed to examine the effects of long-term SCL use on corneal endothelial density and morphology.</p><p><strong>Materials and methods: </strong>This retrospective study involved consecutive patients at the Miyata Eye Hospital (Miyazaki, Japan), who had used SCLs for more than 1 year. Patients with ophthalmological disorders without refractive errors were excluded. The period of SCL use, SCL type, corneal endothelial cell density (ECD), appearance rate of hexagonal cells (HEX), and coefficient of variation of cells (CV) were analyzed.</p><p><strong>Results: </strong>In total, 17,732 eyes of 8866 patients were included in the analysis (age, 26.0 ± 8.8 years). The mean period of SCL use was 6.3 ± 5.4 years. Multivariate regression analysis revealed that ECD and HEX were significantly negatively correlated with the period of SCL use, age, and sex (<i>p</i> < 0.001 for all). The CV was significantly positively correlated with the period of use (<i>p</i> < 0.001), sex (<i>p</i> = 0.002), and age (<i>p</i> < 0.001).</p><p><strong>Conclusions: </strong>Corneal ECD, HEX, and CV were significantly associated with the period of SCL use in long-term users. It is essential to regularly check the corneal endothelium in patients with a history of long-term SCL use.</p>","PeriodicalId":11023,"journal":{"name":"Cutaneous and Ocular Toxicology","volume":" ","pages":"1-6"},"PeriodicalIF":1.6,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142343345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Nicotine acute impact on RNFL: a comparative analysis of smoking cessation aids including nicotine gum and electronic cigarettes.","authors":"Mohammed Alhazmi, Wafa Alotaibi","doi":"10.1080/15569527.2024.2408694","DOIUrl":"https://doi.org/10.1080/15569527.2024.2408694","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the immediate impact of nicotine consumption on Retinal Nerve Fiber Layer (RNFL) thickness in healthy young individuals, comparing nicotine gum and electronic cigarette (vaping) as delivery methods.</p><p><strong>Materials and methods: </strong>Twenty participants underwent RNFL measurements at baseline, 30, and 60 minutes after consuming 4 mg of nicotine, based on product labeling and specifications. Measurements were obtained using optical coherence tomography (OCT) (Topcon 3D OCT-1 Maestro System). Nicotine was delivered through either nicotine gum or vaping.</p><p><strong>Results: </strong>Both nicotine gum and vaping led to a statistically significant increase in RNFL thickness, with no significant difference between the two methods. The analysis revealed that area, time, and visit factors significantly affected RNFL scores. Stratification by smoking type (tobacco, vaping, dual) demonstrated significant effects for area, time, and visit factors, with an interaction effect among these factors.</p><p><strong>Conclusions: </strong>The findings highlight the acute impact of nicotine intake on RNFL thickness in young healthy smokers. Researchers and clinicians should account for recent nicotine exposure when evaluating RNFL thickness, particularly within the first hour post-smoking. The observed significant effects warrant further research, especially in older or health-compromised populations, to improve clinical protocols and diagnostic evaluations across different demographics.</p>","PeriodicalId":11023,"journal":{"name":"Cutaneous and Ocular Toxicology","volume":" ","pages":"1-6"},"PeriodicalIF":1.6,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142343346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of the efficacy and safety of lacrimal gland botulinum toxin injection in functional versus non-functional epiphora","authors":"Meryem Altin Ekin","doi":"10.1080/15569527.2024.2402402","DOIUrl":"https://doi.org/10.1080/15569527.2024.2402402","url":null,"abstract":"To determine whether botulinum toxin is effective and safe for the treatment of epiphora, and to compare its utility in functional versus non-functional epiphora using both qualitative and quantita...","PeriodicalId":11023,"journal":{"name":"Cutaneous and Ocular Toxicology","volume":"14 1","pages":"1-9"},"PeriodicalIF":1.6,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142251693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A national analysis of systemic adverse events of beta-blockers used for glaucoma therapy.","authors":"Owais M Aftab,Hamza Khan,Roshun Sangani,Albert S Khouri","doi":"10.1080/15569527.2024.2402408","DOIUrl":"https://doi.org/10.1080/15569527.2024.2402408","url":null,"abstract":"PURPOSETo evaluate systemic complications for timolol, carteolol, levobunolol, and/or betaxalol by using an FDA Federal Adverse Event Reporting System (FAERS).METHODSWe evaluated FAERS for adverse events associated with β-blocker use for glaucoma. All reported symptoms were reviewed to identify systemic adverse events and to detect safety signals, defined as information on a new or known side effect that may be caused by a medicine. We used the proportional reporting ratio (PRR), reporting odds ratio (ROR), empirical Bayes geometric mean (EBGM), and information component (IC) as a part of a disproportionality analysis comparing the frequency of β-blocker symptoms with all other adverse event reports. We considered a signal to be detected when all four disproportionality analysis metrics were positive.RESULTSWe found 10,500,309 total adverse event reports from the FAERS database 2004-2022Q3, which included 8,793 case reports with a primary suspect of a β-blocker use for glaucoma. 1,838 unique adverse symptoms were reported were associated with β-blocker. Regarding outcomes, there were 165 (1.88%) reports of disability, 671 (7.63%) reports of hospitalisation, and 1,934 (21.99%) reports of some other unspecified complication. Regarding adverse events, the most reported general, cardiac, and respiratory symptoms were respectively dizziness (n = 281), bradycardia (n = 145), and dyspnoea (n = 195). 256 (2.91%) cases of death were reported. We found significant signals on bradycardia (n = 145), complete atrioventricular block (n = 38), and bronchospasm (n = 23). No allergic, endocrine, constitutional, or gastrointestinal symptoms generated positive signals.CONCLUSIONβ-blocker use in glaucoma therapy can be rarely associated with serious systemic and life-threatening complications.","PeriodicalId":11023,"journal":{"name":"Cutaneous and Ocular Toxicology","volume":"33 1","pages":"1-6"},"PeriodicalIF":1.6,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142198824","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect Of Pentavalent Antimony Compounds On The İnflammatory, Hematological and Biochemical Parameters İn Patients With Cutaneous Leishmaniasis","authors":"Kadir Kaya","doi":"10.1080/15569527.2024.2402411","DOIUrl":"https://doi.org/10.1080/15569527.2024.2402411","url":null,"abstract":"This study aimed to evaluate how systemic antimony treatment in cutaneous leishmaniasis (CL) patients affects biochemical, hematological, and inflammatory parameters in child and adult patient grou...","PeriodicalId":11023,"journal":{"name":"Cutaneous and Ocular Toxicology","volume":"10 1","pages":"1-12"},"PeriodicalIF":1.6,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142225378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Effect of Adrenaline and Trypan Blue Used During Cataract Surgery on Anatomical and Functional Outcomes in Pseudoexfoliation Syndrome Patients.","authors":"Ömer Özer,Levent Doĝan,Zeki Baysal","doi":"10.1080/15569527.2024.2402405","DOIUrl":"https://doi.org/10.1080/15569527.2024.2402405","url":null,"abstract":"PURPOSETo evaluate the effect of the intracameral adrenaline and trypan blue used during cataract surgery on corneal endothelial parameters in pseudoexfoliation syndrome (PEX) patients.METHODSThe patients were divided into four groups according to intraoperative use of agents during cataract surgery: intracameral adrenaline (1/10,000, 0.1 ml) (group 1), trypan blue (0.6 mg/ml, 0.1 ml) (group 2), combination of adrenaline and trypan blue (group 3) and none (group 4).RESULTSPreoperative ECD, CV, HEX and CCT parameters were similar between the groups. A mean loss of 12.7% in ECD was observed at the postoperative third months compared to the preoperative. In group 3, ECD was found to be lower in the postoperative third months compared to the preoperative (p = 0.014). In the other groups, no statistically significant difference was found in preoperative and postoperative comparisons.CONCLUSIONIn conclusion, the utilization of intracameral adrenaline or trypan blue did not cause a significant difference in corneal endothelium in PEX patients. However, their combined use may have a negative effect on endothelial cell density. In a cataract surgery performed in the presence of PEX, the increased likelihood of endothelial damage should be taken into consideration, and appropriate precautions should be taken preoperatively and intraoperatively.","PeriodicalId":11023,"journal":{"name":"Cutaneous and Ocular Toxicology","volume":"4 1","pages":"1-11"},"PeriodicalIF":1.6,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142225483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ophthalmic adverse effects of miltefosine in the treatment of leishmaniasis: a systematic review.","authors":"Biplab Pal, Tambe Daniel Atem, Sweta Kumari, Krishna Murti, Rishikesh Kumar, Krishna Pandey, Niyamat Ali Siddiqui, Sameer Dhingra, Vaibhav Chaudhary","doi":"10.1080/15569527.2024.2380311","DOIUrl":"10.1080/15569527.2024.2380311","url":null,"abstract":"<p><strong>Objective: </strong>Miltefosine stands as the sole oral medication approved for the treatment of leishmaniasis. The appearance of severe ophthalmic toxicities induced by miltefosine in the context of leishmaniasis treatment is a matter of significant concern. The main objective of this study is to present a comprehensive summary of the ophthalmic adverse effects associated with miltefosine when used in the treatment of leishmaniasis.</p><p><strong>Methods: </strong>A systematic search was performed on PubMed, ScienceDirect, Embase, Scopus, and Google Scholar, covering articles from inception up to June 2023, without language restrictions, to identify relevant studies documenting ocular toxicity following miltefosine treatment for leishmaniasis.</p><p><strong>Results: </strong>A total of eight studies involving 31 leishmaniasis patients who developed ocular toxicities while undergoing miltefosine treatment were included in the analysis. These studies were conducted in various regions, with five originating from India, two from Bangladesh, and one from Nepal. Patients presented a spectrum of ophthalmic complications, including uveitis, keratitis, scleritis, and Mooren's ulcer. Commonly reported symptoms included pain, redness, excessive tearing, partial vision impairment, permanent blindness, light sensitivity, and the appearance of white spots on the eye. On average, patients received miltefosine treatment for a duration of 47 days before experiencing the onset of ocular problems. It is important to note that the risk of ocular toxicities increases with prolonged use of miltefosine.</p><p><strong>Conclusions: </strong>Therefore, to mitigate the potential for irreversible damage to the eyes, it is imperative that all individuals undergoing miltefosine therapy undergo regular eye examinations.</p>","PeriodicalId":11023,"journal":{"name":"Cutaneous and Ocular Toxicology","volume":" ","pages":"190-197"},"PeriodicalIF":1.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141632948","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigation of mercury contamination in lipstick sold in the Saudi market and the potential health risk.","authors":"Mashael M Albugami, Ayah Buzid, Faheem Shah, Amel Y Ahmed","doi":"10.1080/15569527.2024.2391855","DOIUrl":"10.1080/15569527.2024.2391855","url":null,"abstract":"<p><p><b>Background</b>: Environmental contamination is a significant global health issue, with cosmetics and pharmaceuticals being major polluters. High concentrations of heavy metals, such as Hg, have been found to have toxic effects and may pose a threat to human health. This study aimed to determine the concentration of mercury (Hg) in lipsticks available in the Saudi Arabia market.</p><p><p><b>Methods</b>: In this study, 12 lipstick samples from three colors were analyzed using inductively coupled plasma optical emission spectrometry (ICP-OES) to measure the content of Hg.</p><p><p><b>Results</b>: The concentration range of Hg was 0.004-0.296 ppm. Moreover, the systemic exposure dosage of mercury in the lipstick samples examined in this study ranged from 5.01 × 10^-8 to 1.43 × 10^-6 μg/kg bw/day, while the range of the margin of safety was from 7.3 × 10⁹ to 2.2 × 10⁸.</p><p><p><b>Discussion</b>: The Hg concentration in all analyzed samples was less than 0.50 and 1 ppm, which indicated that the Hg level was within acceptable limits according to Saudi Standards, Metrology and Quality Organisation (SASO) and the United States Food and Drug Administration (US FDA), respectively. On the other hand, the calculated margin of safety values for mercury exceeded the safe standard established by the WHO. The results derived from using hazard quotient (HQ) indices depict the potential carcinogenic health risk posed to consumers who employ red-colored lipsticks.</p>","PeriodicalId":11023,"journal":{"name":"Cutaneous and Ocular Toxicology","volume":" ","pages":"1-6"},"PeriodicalIF":1.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141999520","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}