Cutaneous and Ocular Toxicology最新文献

{"title":"The effects of electronic cigarette smoking on retinal nerve fiber layer, ganglion cell layer, inner plexiform layer, and choroidal thickness.","authors":"Dharshini Balasubaramaniam, Yi Wen Lim, Shamala Retnasabapathy, Fazilawati A Qamarruddin, Sujaya Singh","doi":"10.1080/15569527.2024.2423265","DOIUrl":"10.1080/15569527.2024.2423265","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the thickness of the retinal nerve fibre layer (RNFL), ganglion cell layer (GCL), inner plexiform layer (IPL), and choroid in healthy electronic cigarette smokers and non-smokers using spectral domain optical coherence tomography (SD-OCT).</p><p><strong>Material and method: </strong>25 healthy electronic cigarette smokers and 25 age- and gender-matched healthy non-smokers were included in the study. RNFL, GCL, IPL and choroidal thickness were measured by SD-OCT using an automated programme. After normality tests, an independent sample <i>t</i>-test was used to analyse the differences in RNFL, GCL, IPL, and choroidal thickness values between the groups.</p><p><strong>Results: </strong>The mean age of electronic cigarette smokers and non-smokers was 33.68 and 33.64 years, respectively. The mean smoking history was 6.6 years (range 5-8 years). Most of the participants smoked 2-5 ml of e-liquid per day (52%), while 36% smoked more than 5 ml and 12% smoked less than 2 ml per day. The mean intraocular pressure in the electronic cigarette smoker group was 15.0 mmHg, while the non-smoker group was 15.32 mmHg. The mean axial length in the electronic cigarette smoker group and non-smoker group was 23.36 and 23.63 mm, respectively. No significant difference was observed regarding RNFL, GCL, IPL or choroidal thickness between both groups.</p><p><strong>Conclusion: </strong>The thickness of the RNFL, GCL, IPL, and choroid was found to be similar in both the healthy electronic cigarette smokers and non-smokers groups.</p>","PeriodicalId":11023,"journal":{"name":"Cutaneous and Ocular Toxicology","volume":" ","pages":"390-395"},"PeriodicalIF":1.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142575102","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":"Selective cytotoxicity of standardised n-hexane extract of black soldier flies' larvae on cancerous skin cells mitochondria isolated from rat model of melanoma.","authors":"Yalda Arast, Mahya Sabbaghi, Farzane Kamranfar, Fatemeh Heidari, Seyed Mojtaba Fazli Nejad, Tahereh Hosseinabadi, Jalal Pourahmad","doi":"10.1080/15569527.2024.2389193","DOIUrl":"10.1080/15569527.2024.2389193","url":null,"abstract":"<p><strong>Introduction: </strong>Melanoma is known as a highly lethal cancer. In melanoma cells, apoptosis signalling which relies heavily on the acute activity of mitochondria and reactive oxygen species (ROS) formation is suppressed. Our previous studies on natural compounds on melanoma suggested that mitochondria are a potential target for the melanoma treatment by selective cytotoxic effect of them. The black soldier fly is an important environmental protectant insect that based on recent studies induces apoptosis in liver and colorectal carcinoma cells through the activation of caspase 3, 8, and 9 and ultimately inhibits the growth of cancer cells.</p><p><strong>Purpose: </strong>This study was designed to evaluate the selective apoptotic effect of the n-hexane BSFL extract (BSFLE) on skin mitochondria.</p><p><strong>Materials and methods: </strong>The mitochondria isolated from melanoma cells were treated with various concentrations (1500, 3000, and 6000 µg/ml) of n-hexane BSFLE Then MTT viability assay, ROS determination, Mitochondrial Membrane Potential (MMP), mitochondrial swelling, cytochrome c release determination, and % apoptosis were performed.</p><p><strong>Results: </strong>MTT assay showed that different concentrations of n-hexane BSFLE significantly (<i>P</i> < 0.05) decreased the SDH activity in cancerous skin mitochondria with the IC50. The ROS production and mitochondrial swelling results also showed that all concentrations of BSFL extracts significantly increased. MMP decline and the release of cytochrome c in cancer groups mitochondria. BSFLE increased apoptosis on melanoma cells.</p><p><strong>Discussion and conclusion: </strong>It is suggested that n-hexane BSFLE compounds selectively induce a cascade of proapoptotic events that are probably defective in cancer cells. Most of these compounds target the mitochondrial transient pore caused by disruption of the mitochondrial respiratory chain. These events lead to disruption of the temporary permeability of mitochondria, swelling of mitochondria and finally the formation of apoptosome in the cytosol.</p>","PeriodicalId":11023,"journal":{"name":"Cutaneous and Ocular Toxicology","volume":" ","pages":"264-271"},"PeriodicalIF":1.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141901217","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":"Correction.","authors":"","doi":"10.1080/15569527.2024.2428898","DOIUrl":"10.1080/15569527.2024.2428898","url":null,"abstract":"","PeriodicalId":11023,"journal":{"name":"Cutaneous and Ocular Toxicology","volume":" ","pages":"417"},"PeriodicalIF":1.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142675341","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 adalimumab treatment on inflammatory and hematological parameters in patients with Hidradenitis suppurativa.","authors":"Kadir Kaya, Özlem Gevher","doi":"10.1080/15569527.2024.2387595","DOIUrl":"10.1080/15569527.2024.2387595","url":null,"abstract":"<p><strong>Objective: </strong>Hidradenitis suppurativa (HS), a chronic inflammatory disease that typically manifests after puberty, is characterised by painful nodules, abscesses, draining sinus tracts, and scars in areas rich in apocrine glands such as the axillary and inguinal regions. In recent years, blood-based biomarkers such as the Neutrophil/Lymphocyte Ratio (NLR), Platelet/Lymphocyte Ratio (PLR), Monocyte/Lymphocyte Ratio (MLR), Mean Platelet Volume (MPV), Systemic Immune-Inflammation Index (SII) and Pan-Immune-Inflammation Value (PIV) have been used as significant indicators of systemic inflammation. While there are few studies evaluating these biomarkers in HS, the response of these markers to treatment has only been assessed in one study to date. Our study aims to investigate the effect of adalimumab treatment on blood-based systemic inflammation biomarkers in HS, where inflammation plays a significant role.</p><p><strong>Methods: </strong>The study included 42 adult patients who received adalimumab treatment at our dermatology and venereology clinic between January 2020 and January 2023. Medical records for complete blood count results of the patients were retrospectively reviewed. All systemic inflammation-based biomarkers were calculated from the absolute values of the complete blood count. The SII was calculated with the following formula: (neutrophil count × platelet count/lymphocyte count). The PIV was calculated as follows: (neutrophil count × platelet count × monocyte count/lymphocyte count). Values before the treatment and at the 12th week of treatment were compared.</p><p><strong>Results: </strong>When the changes in the inflammatory parameters of the patients were examined, it was found that NLR (2.13 ± 0.87 vs 2.26 ± 1.12), PLR (111.01 ± 39.89 vs 99.43 ± 35.34), MLR (0.27 ± 0.11 vs 0.28 ± 0.12), MPV (9.59 ± 0.71 vs 9.70 ± 0.79), SII (680.79 ± 330.18 vs 687.89 ± 442.66), and PIV (552.02 ± 330.71 vs 605.05 ± 415.96) values did not change statistically significantly after treatment (p > 0.05). While there was a significant decrease in platelet count compared to before treatment, no statistically significant difference was found in the other evaluated blood cells.</p><p><strong>Conclusion: </strong>Adalimumab treatment has not had a significant effect on systemic inflammation markers in HS, an inflammatory disease. More studies are needed to evaluate the effect of adalimumab on these markers in HS.</p>","PeriodicalId":11023,"journal":{"name":"Cutaneous and Ocular Toxicology","volume":" ","pages":"253-257"},"PeriodicalIF":1.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141893080","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":"Correction.","authors":"","doi":"10.1080/15569527.2024.2428043","DOIUrl":"https://doi.org/10.1080/15569527.2024.2428043","url":null,"abstract":"","PeriodicalId":11023,"journal":{"name":"Cutaneous and Ocular Toxicology","volume":"43 4","pages":"416"},"PeriodicalIF":1.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142767333","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":"Intravitreal chlorhexidine for sterilizing the vitreous cavity in an animal model of bacterial endophthalmitis.","authors":"Ahmet M Hondur, Qun Zeng, Yucel Ucgul, Idil Arioz, Elif Ayca Sahin, Gamze Gizem Erayman, Ayse B Tekinay, Kayhan Caglar, Nalan Akyurek, Tongalp H Tezel","doi":"10.1080/15569527.2024.2402410","DOIUrl":"https://doi.org/10.1080/15569527.2024.2402410","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the efficacy and safety of intravitreal chlorhexidine (CHX) for sterilising the vitreous cavity in bacterial endophthalmitis.</p><p><strong>Methods: </strong>For in-vitro experiments, full-thickness retina explants were harvested from freshly enucleated pig eyes. Six-millimeter circular sensory retina patches were then incubated in varying concentrations of CHX (0.625-800 µg/mL) for 24 hours. Retinal cell viability was determined at the end of the incubation period with a live-dead assay. The bactericidal effects of the tested CHX concentrations were determined using a quantitative suspension test on <i>Staphylococcus epidermidis</i>. The safety of CHX was also tested by injecting varying doses of CHX (50-400 µg/mL) into the vitreous cavity of albino rabbits followed by flash electroretinography (ERG) and light microscopy. The bactericidal effect of the non-toxic CHX doses was determined using the rabbit model of endophthalmitis created by injecting 3000 CFU/0.1 mL of <i>Staphylococcus epidermidis.</i></p><p><strong>Results: </strong>In vitro concentrations of CHX greater than 6.25 µgr/mL exerted a bactericidal effect, while concentrations of CHX less than 200 µg/mL did not impair retinal cell viability. Intravitreal concentrations of CHX between 20-100 µg/mL were adequate to sterilise the infected rabbit vitreous cavity in the animal model. No significant functional or anatomical deleterious effect was observed with ERG or light microscopy.</p><p><strong>Conclusion: </strong>CHX can sterilise the vitreous cavity in an animal model of bacterial endophthalmitis without impairing retinal cell viability. Our results encourage further research for clinical use of chlorhexidine in treatment of bacterial endophthalmitis.</p>","PeriodicalId":11023,"journal":{"name":"Cutaneous and Ocular Toxicology","volume":"43 4","pages":"299-304"},"PeriodicalIF":1.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142767340","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":"Research on the damage and wound repair of cornea by GO and ZnO.","authors":"Hanzhu Zhao, Aiping Song, Liyan Wang, Xiaolu Hou, Dongmei Cui, Xiaotong Sun, Lingzhi Niu, Lin Jin, Haoyuan An, Wei Li","doi":"10.1080/15569527.2024.2387592","DOIUrl":"10.1080/15569527.2024.2387592","url":null,"abstract":"<p><strong>Objective: </strong>The widespread use of nanoparticles in recent years has increased the risk of ocular exposure. zinc oxide (ZnO) is widely used in the field of cosmetics because of its unique chemical properties. The application of graphene oxide (GO) as an emerging nanomaterial in the field of eye drops is also gradually emerging. Currently, research on ZnO and GO eye exposure mainly focuses on application or toxicity to optic nerve cells. There's less study on corneal wound healing effects. and the previous research hasn't compared ZnO and GO corneal toxicity.</p><p><strong>Methods: </strong>We systematically established a complete chain study of in vitro and in vivo experiments and mouse corneal injury model, and comprehensively evaluated the ocular safety and toxicity of ZnO and GO.</p><p><strong>Results: </strong>We found that 50 ug/mL GO and 0.5 ug/mL ZnO can reduce human corneal epithelial cells (HCEpiC) viability in a concentration-dependent manner. Short-term repeated exposure to ZnO can cause sterile inflammation of the cornea with concentration-dependence, while GO have not been significantly altered. 50 ug/mL ZnO could significantly delay the healing of corneal wounds, while GO did not change wound healing.</p><p><strong>Conclusion: </strong>The toxic effect of ZnO is higher than that of GO. Inflammatory signal transduction, oxidative stress and apopnano zitosis are involved in the ocular toxicity injury process of nanoparticles. Research can provide a judgement basis for people's eye health and eye protection risk control.</p>","PeriodicalId":11023,"journal":{"name":"Cutaneous and Ocular Toxicology","volume":" ","pages":"237-252"},"PeriodicalIF":1.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141970840","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":"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":"335-340"},"PeriodicalIF":1.6,"publicationDate":"2024-12-01","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":"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}