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de Souza Sampaio R, Brito Pereira Bezerra Martins AO, Santos da Silva LY, Torres Pessoa DR, Ribeiro-Filho J, de Araújo Delmondes G, Bezerra Felipe CF, Alencar de Menezes IR, Kerntopf MR. Topical Antiedematogenic Activity of the Essential Oil of Psidium brownianum Mart. (OEPB) in Murine Ear Edema Models. Chem Biodivers 2024; 21:e202400187. [PMID: 38429232 DOI: 10.1002/cbdv.202400187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 03/01/2024] [Accepted: 03/01/2024] [Indexed: 03/03/2024]
Abstract
Psidium brownianum Mart is reported in the literature by antinociceptive and antioxidant activities, indicating that this species' secondary metabolites might be used to control inflammatory processes. The present study aimed to characterize the topical antiedematogenic activity of the essential oil of Psidium brownianum Mart. (OEPB) in ear edema models by different inflammatory agents. Female Swiss mice (25-35 g) and Wistar albino rats (200-300 g) were used throughout tests (n=6/group) on acute or chronic edema models induced by single and multiple topical applications. The OEPB is administered topically pure or at a concentration of 100 or 200 mg/mL. The antiedematogenic mechanism of OEPB was analyzed by administering capsaicin, arachidonic acid, histamine, and phenol at the best effective dose (200 mg/mL). The results showed a significant reduction of edema-induced single (28.87 %) and multiple (50.13 %) applications of croton oil compared to the negative control group. Regarding potential mechanisms of action, OEPB (200 mg/mL) inhibited the development of edema triggered by capsaicin (29.95 %), arachidonic acid (22.66 %), phenol (23.35 %), and histamine (75.46 %), suggesting an interference with the histaminergic pathway. These results indicate that OEPB presents a topical antiedematogenic effect in acute and chronic murine models, possibly interfering with inflammatory pathways triggered by mediators such as histamine.
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Affiliation(s)
- Renata de Souza Sampaio
- Laboratory of Pharmacology and Molecular Chemistry (LFQM), Department of Biological Chemistry, Regional University of Cariri (URCA), 63105-000, Crato, CE, Brazil
| | | | - Lucas Yure Santos da Silva
- Laboratory of Pharmacology and Molecular Chemistry (LFQM), Department of Biological Chemistry, Regional University of Cariri (URCA), 63105-000, Crato, CE, Brazil
| | - Dra Renata Torres Pessoa
- Laboratory of Pharmacology and Molecular Chemistry (LFQM), Department of Biological Chemistry, Regional University of Cariri (URCA), 63105-000, Crato, CE, Brazil
| | - Jaime Ribeiro-Filho
- Oswaldo Cruz Foundation (Fiocruz), Fiocruz Ceará, 60180-900, Eusébio, CE, Brazil
| | - Gyllyandeson de Araújo Delmondes
- Natural Products Pharmacology Laboratory, Department of Biological Chemistry, Regional University of Cariri (URCA), 63105-000, Crato, CE, Brazil
| | - Cícero Francisco Bezerra Felipe
- Molecular Biology Departament, Federal University of Paraiba (UFPB), Campus I - Jardim Cidade Universitária, 58059-900, João Pessoa, PB, Brazil
| | - Irwin Rose Alencar de Menezes
- Laboratory of Pharmacology and Molecular Chemistry (LFQM), Department of Biological Chemistry, Regional University of Cariri (URCA), 63105-000, Crato, CE, Brazil
| | - Marta Regina Kerntopf
- Laboratory of Pharmacology and Molecular Chemistry (LFQM), Department of Biological Chemistry, Regional University of Cariri (URCA), 63105-000, Crato, CE, Brazil
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Chua JJL, Kuan KK. Organophosphate poisoning from inappropriate topical use of malathion pesticide: A case report. PROCEEDINGS OF SINGAPORE HEALTHCARE 2022. [DOI: 10.1177/20101058211068593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
A 43-year-old male with no past medical history presented to our emergency department with vomiting, diarrhea, and abdominal pain of 3 h’ duration. Upon further questioning, he revealed that he had been applying malathion pesticide over his body for the past 3 days for self-diagnosed scabies. He was otherwise afebrile and hemodynamically stable, and the physical examination was unremarkable. The patient was diagnosed with organophosphate poisoning and treated symptomatically due to the lack of worrying cardiorespiratory or neurologic sequelae. He was subsequently admitted to the general ward, where his symptoms abated within 4 h. Serum and red blood cell cholinesterase tests sent on admission returned on day three and were significantly decreased (serum cholinesterase 2131 U/L, reference range 4700–12000 U/L; red blood cell cholinesterase 3365 U/L, reference range 7700–14600 U/L). He was discharged home well and stable on day 5 of admission, with outpatient psychiatric follow-up for likely delusional parasitosis.
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Affiliation(s)
- Joe Jia-Liang Chua
- Department of General Surgery, Sengkang General Hospital, Singapore, Singapore
| | - Kaibin K. Kuan
- Department of Emergency Medicine, Changi General Hospital, Singapore, Singapore
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Guo Y, Li Y, Wu Q, Lan X, Chu G, Qiang W, Noman M, Gao T, Guo J, Han L, Yang J, Li X, Du L. Optimization of the extraction conditions and dermal toxicity of oil body fused with acidic fibroblast growth factor (OLAF). Cutan Ocul Toxicol 2021; 40:221-231. [PMID: 34003048 DOI: 10.1080/15569527.2021.1931876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Oil body (OB), a subcellular organelle that stores oil in plant seeds, is considered a new transdermal drug delivery system. With the increasing understanding of the OB and its main protein (oleosin), numerous studies have been conducted on OB as "carrier" for the expression of exogenous proteins. In our previous study, oil body fused with aFGF (OLAF) was obtained using a plant oil body expression system that had been preliminarily proven to be effective in accelerating the healing of skin wounds. However, no dermal toxicological information on OLAF is available. OBJECTIVE To ensure the dermal safety of OLAF, a series of tests (the acute dermal toxicity test, 21-day repeat dermal toxicity test, dermal irritation test and skin sensitisation test) were conducted after optimising the extraction protocol of OLAF. MATERIALS AND METHODS To improve the extraction rate of OLAF, response surface methodology (RSM) was first employed to optimise the extraction conditions. Then, Wistar rats were exposed to OLAF (400 mg·kg-1 body weight) in two different ways (6 hours/time for 24 hours and 1 time/day for 21 days) to evaluate the acute dermal toxicity and 21-day repeated dermal toxicity of OLAF. In the acute dermal toxicity test, clinical observations were conducted to evaluate the toxicity, behaviour, and health of the animals for 14 consecutive days. Similarly, the clinical signs, body weight, haematological and biochemical parameters, histopathological changes and other indicators were also detected during the 21 days administration. For the dermal irritation test, single and multiple doses of OLAF (125 mg·kg-1 body weight) were administered to albino rabbits for 14 days (1 time/day). The irritation reaction on the skin of each albino rabbit was recorded and scored. Meanwhile, skin sensitisation to OLAF was conducted using guinea pigs for a period of 28 days. RESULTS Suitable extraction conditions for OLAF (PBS concentration 0.01, pH of PBS 8.6, solid-liquid ratio 1:385 g·mL-1) were obtained using RSM. Under these conditions, the extraction rate and particle size of OLAF were 7.29% and 1290 nm, respectively. In the tests of acute dermal toxicity and 21-day repeated dermal toxicity, no mortality or significant differences were observed in terms of clinical signs, body weight, haematological parameters, biochemical parameters and anatomopathological analysis. With respect to the dermal irritation test and skin sensitisation test, no differences in erythema, oedema or other abnormalities were observed between treatment and control groups on gross and histopathological examinations. CONCLUSIONS The results of this study suggest that OLAF does not cause obvious toxicity, skin sensitisation or irritation in animals.
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Affiliation(s)
- Yongxin Guo
- Ministry of Education Engineering Research Center of Bioreactor and Pharmaceutical Development, School of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Yaying Li
- Ministry of Education Engineering Research Center of Bioreactor and Pharmaceutical Development, School of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Qian Wu
- Ministry of Education Engineering Research Center of Bioreactor and Pharmaceutical Development, School of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Xinxin Lan
- Ministry of Education Engineering Research Center of Bioreactor and Pharmaceutical Development, School of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Guodong Chu
- Ministry of Education Engineering Research Center of Bioreactor and Pharmaceutical Development, School of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Weidong Qiang
- Ministry of Education Engineering Research Center of Bioreactor and Pharmaceutical Development, School of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Muhammad Noman
- Ministry of Education Engineering Research Center of Bioreactor and Pharmaceutical Development, School of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Tingting Gao
- Ministry of Education Engineering Research Center of Bioreactor and Pharmaceutical Development, School of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Jinnan Guo
- Ministry of Education Engineering Research Center of Bioreactor and Pharmaceutical Development, School of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Long Han
- Ministry of Education Engineering Research Center of Bioreactor and Pharmaceutical Development, School of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Jing Yang
- Ministry of Education Engineering Research Center of Bioreactor and Pharmaceutical Development, School of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Xiaokun Li
- Ministry of Education Engineering Research Center of Bioreactor and Pharmaceutical Development, School of Life Science, Jilin Agricultural University, Changchun, Jilin, China
| | - Linna Du
- Ministry of Education Engineering Research Center of Bioreactor and Pharmaceutical Development, School of Life Science, Jilin Agricultural University, Changchun, Jilin, China
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Mohammad H, Abutaleb NS, Dieterly AM, Lyle LT, Seleem MN. Investigating auranofin for the treatment of infected diabetic pressure ulcers in mice and dermal toxicity in pigs. Sci Rep 2021; 11:10935. [PMID: 34035383 PMCID: PMC8149385 DOI: 10.1038/s41598-021-90360-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 04/28/2021] [Indexed: 12/23/2022] Open
Abstract
Bacterial infection of pressure ulcers (PUs) are a notable source of hospitalization for individuals with diabetes. This study evaluated the safety profile and efficacy of auranofin to treat diabetic PUs infected with methicillin-resistant Staphylococcus aureus (MRSA). PUs were infected with MRSA in diabetic TALLYHO/JngJ mice and then treated with topical auranofin (2%), topical mupirocin (2%), or oral clindamycin (30 mg/kg) for four days. PUs were harvested post-treatment to enumerate bacterial burden and determine expression of cytokines/growth factors. Landrace cross pigs were exposed topically to auranofin (1%, 2%, and 3%) for 4-14 days and evaluated for signs of localized or systemic toxicity. Auranofin eradicated MRSA in PUs within four days (7.92-log10 reduction) in contrast to mupirocin (2.15-log10 reduction) and clindamycin (0.73-log10 reduction). Additionally, auranofin treatment resulted in decreased expression of pro-inflammatory cytokines and increased expression of biomarkers associated with re-epithelization of wounded tissue, confirmed with histopathologic analysis. No significant histopathologic lesions were present on porcine skin sites exposed to topical auranofin. Additionally, minimal accumulation of plasma gold and no systemic toxicity was observed in pigs exposed to topical auranofin. Auranofin appears to be a potent and safe topical agent to further investigate for treatment of mild-to-moderate MRSA-infected diabetic PUs.
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Affiliation(s)
- Haroon Mohammad
- Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, 625 Harrison St., West Lafayette, IN, 47907, USA
| | - Nader S Abutaleb
- Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, 625 Harrison St., West Lafayette, IN, 47907, USA
- Center for One Health Research, Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute and State University, 1410 Prices Fork Rd, Blacksburg, VA, 24061, USA
| | - Alexandra M Dieterly
- Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, 625 Harrison St., West Lafayette, IN, 47907, USA
| | - L Tiffany Lyle
- Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, 625 Harrison St., West Lafayette, IN, 47907, USA
- Center for Comparative Translational Research, Purdue University, 625 Harrison St., West Lafayette, IN, 47907, USA
| | - Mohamed N Seleem
- Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, 625 Harrison St., West Lafayette, IN, 47907, USA.
- Center for One Health Research, Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute and State University, 1410 Prices Fork Rd, Blacksburg, VA, 24061, USA.
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Purple passion fruit seeds (Passiflora edulis f. edulis Sims) as a promising source of skin anti-aging agents: Enzymatic, antioxidant and multi-level computational studies. ARAB J CHEM 2021. [DOI: 10.1016/j.arabjc.2020.11.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
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Law RM, Ngo MA, Maibach HI. Twenty Clinically Pertinent Factors/Observations for Percutaneous Absorption in Humans. Am J Clin Dermatol 2020; 21:85-95. [PMID: 31677110 DOI: 10.1007/s40257-019-00480-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
At least 20 clinically relevant factors affect percutaneous absorption of drugs and chemicals: relevant physico-chemical properties, vehicle/formulation, drug exposure conditions (dose, duration, surface area, exposure frequency), skin appendages (hair follicles, glands) as sub-anatomical pathways, skin application sites (regional variation in penetration), population variability (premature, infants, and aged), skin surface conditions (hydration, temperature, pH), skin health and integrity (trauma, skin diseases), substantivity and binding to different skin components, systemic distribution and systemic toxicity, stratum corneum exfoliation, washing-off and washing-in, rubbing/massaging, transfer to others (human to human and hard surface to human), volatility, metabolic biotransformation/cutaneous metabolism, photochemical transformation and photosensitivity, excretion pharmacokinetics, lateral spread, and chemical method of determining percutaneous absorption.
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Affiliation(s)
- Rebecca M Law
- School of Pharmacy, Memorial University of Newfoundland, H3440, 300 Prince Phillip Dr., St. John's, NL, A1B 3V6, Canada.
- Department of Dermatology, UCSF School of Medicine, N461 2340 Sutter Street, San Francisco, CA, 94115, USA.
| | - Mai A Ngo
- California Department of Toxic Substances Control, 8800 Cal Center Drive, Sacramento, CA, 95826, USA
| | - Howard I Maibach
- Department of Dermatology, UCSF School of Medicine, N461 2340 Sutter Street, San Francisco, CA, 94115, USA
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Hardwick RN, Betts CJ, Whritenour J, Sura R, Thamsen M, Kaufman EH, Fabre K. Drug-induced skin toxicity: gaps in preclinical testing cascade as opportunities for complex in vitro models and assays. LAB ON A CHIP 2020; 20:199-214. [PMID: 31598618 DOI: 10.1039/c9lc00519f] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Skin is the largest organ of the body and serves as the principle barrier to the environment. Composed of multiple cell types arranged in stratified layers with highly specialized appendages, it serves sensory and immune surveillance roles in addition to its primary mechanical function. Several complex in vitro models of skin (i.e. microphysiological systems (MPS) including but not limited to 3D tissues, organ-on-a-chip, organoids), have been developed and assays validated for regulatory purposes. As such, skin is arguably the most advanced organ with respect to model development and adoption across industries including chemical, cosmetic, and to a somewhat lesser extent, pharmaceutical. Early adoption of complex skin models and associated assays for assessment of irritation and corrosion spurred research into other areas such as sensitization, absorption, phototoxicity, and genotoxicity. Despite such considerable advancements, opportunities remain for immune capabilities, inclusion of appendages such as hair follicles, fluidics, and innervation, among others. Herein, we provide an overview of current complex skin model capabilities and limitations within the drug development scheme, and recommendations for future model development and assay qualification and/or validation with the intent to facilitate wider adoption of use within the pharmaceutical industry.
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Affiliation(s)
- Rhiannon N Hardwick
- Translational Safety Sciences, Theravance Biopharma, US, Inc., South San Francisco, CA, USA.
| | - Catherine J Betts
- Pathology Sciences, Drug Safety and Metabolism, IMED Biotech Unit, AstraZeneca, Cambridge, UK
| | - Jessica Whritenour
- Pfizer, Inc., Drug Safety Research and Development, Eastern Point Rd, Groton, CT 06340, USA
| | | | - Maike Thamsen
- Pharmacology, Theravance Biopharma, US, Inc., South San Francisco, CA, USA
| | - Elad H Kaufman
- Biology, Theravance Biopharma, US, Inc., South San Francisco, CA, USA
| | - Kristin Fabre
- MPS Center of Excellence, Drug Safety & Metabolism, IMED Biotech Unit, AstraZeneca, Waltham, MA, USA
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Rudge JE, Raithatha M. Critical illness and multi-organ failure following topical application of skin-lightening preparation. Anaesth Rep 2019; 7:47-49. [PMID: 32051947 DOI: 10.1002/anr3.12014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/15/2019] [Indexed: 11/12/2022] Open
Abstract
Topical application of skin-lightening cream is increasingly undertaken in many non-Caucasian populations for cultural and social reasons. It is a rare cause of poisoning that has potential to lead to significant harm due to skin damage and systemic absorption of cream following application over prolonged periods of time. This case report describes for the development of multi-organ failure in an adult due to salicylate toxicity after whole-body application of a skin-lightening cream for 24 h. It highlights the need for vigilance and awareness of the toxic potential of topical salicylates.
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Affiliation(s)
- J E Rudge
- Department of Anaesthetics Sandwell and West Birmingham Hospitals NHS Trust Birmingham UK
| | - M Raithatha
- Department of Anaesthetics Sandwell and West Birmingham Hospitals NHS Trust Birmingham UK
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Wu H, Feng J, Lv W, Huang Q, Fu M, Cai M, He Q, Shang J. Developmental Neurotoxic Effects of Percutaneous Drug Delivery: Behavior and Neurochemical Studies in C57BL/6 Mice. PLoS One 2016; 11:e0162570. [PMID: 27606422 PMCID: PMC5015905 DOI: 10.1371/journal.pone.0162570] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 08/24/2016] [Indexed: 11/18/2022] Open
Abstract
Dermatosis often as a chronic disease requires effective long-term treatment; a comprehensive evaluation of mental health of dermatology drug does not receive enough attention. An interaction between dermatology and psychiatry has been increasingly described. Substantial evidence has accumulated that psychological stress can be associated with pigmentation, endocrine and immune systems in skin to create the optimal responses against pathogens and other physicochemical stressors to maintain or restore internal homeostasis. Additionally, given the common ectodermal origin shared by the brain and skin, we are interested in assessing how disruption of skin systems (pigmentary, endocrine and immune systems) may play a key role in brain functions. Thus, we selected three drugs (hydroquinone, isotretinoin, tacrolimus) with percutaneous excessive delivery to respectively intervene in these systems and then evaluate the potential neurotoxic effects. Firstly, C57BL/6 mice were administrated a dermal dose of hydroquinone cream, isotretinoin gel or tacrolimus ointment (2%, 0.05%, 0.1%, respectively, 5 times of the clinical dose). Behavioral testing was performed and levels of proteins were measured in the hippocampus. It was found that mice treated with isotretinoin or tacrolimus, presented a lower activity in open-field test and obvious depressive-like behavior in tail suspension test. Besides, they damaged cytoarchitecture, reduced the level of 5-HT-5-HT1A/1B system and increased the expression of apoptosis-related proteins in the hippocampus. To enable sensitive monitoring the dose-response characteristics of the consecutive neurobehavioral disorders, mice received gradient concentrations of hydroquinone (2%, 4%, 6%). Subsequently, hydroquinone induced behavioral disorders and hippocampal dysfunction in a dose-dependent response. When doses were high as 6% which was 3 times higher than 2% dose, then 100% of mice exhibited depressive-like behavior. Certainly, 6% hydroquinone exposure elicited the most serious impairment of hippocampal structure and survival. The fact that higher doses of hydroquinone are associated with a greater risk of depression is further indication that hydroquinone is responsible for the development of depression. These above data demonstrated that chronic administration of different dermatology drugs contributed into common mental distress. This surprising discovery of chemical stressors stimulating the hippocampal dysfunction, paves the way for exciting areas of study on the cross-talk between the skin and the brain, as well as is suggesting how to develop effective and safe usage of dermatological drugs in daily practice.
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Affiliation(s)
- Huali Wu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing, China
| | - Junyi Feng
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing, China
| | - Wenting Lv
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing, China
| | - Qiaoling Huang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing, China
| | - Mengsi Fu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing, China
| | - Minxuan Cai
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing, China
| | - Qiangqiang He
- Qinghai Key Laboratory of Tibetan Medicine Pharmacology and Safety Evaluation, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, QingHai Province, PR China
| | - Jing Shang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing, China
- * E-mail:
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Sammarco PW, Kolian SR, Warby RAF, Bouldin JL, Subra WA, Porter SA. Concentrations in human blood of petroleum hydrocarbons associated with the BP/Deepwater Horizon oil spill, Gulf of Mexico. Arch Toxicol 2015; 90:829-37. [DOI: 10.1007/s00204-015-1526-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Accepted: 05/05/2015] [Indexed: 12/11/2022]
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Anderson SE, Meade BJ. Potential health effects associated with dermal exposure to occupational chemicals. ENVIRONMENTAL HEALTH INSIGHTS 2014; 8:51-62. [PMID: 25574139 PMCID: PMC4270264 DOI: 10.4137/ehi.s15258] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Revised: 11/03/2014] [Accepted: 11/04/2014] [Indexed: 05/14/2023]
Abstract
There are a large number of workers in the United States, spanning a variety of occupational industries and sectors, who are potentially exposed to chemicals that can be absorbed through the skin. Occupational skin exposures can result in numerous diseases that can adversely affect an individual's health and capacity to perform at work. In general, there are three types of chemical-skin interactions of concern: direct skin effects, immune-mediated skin effects, and systemic effects. While hundreds of chemicals (metals, epoxy and acrylic resins, rubber additives, and chemical intermediates) present in virtually every industry have been identified to cause direct and immune-mediated effects such as contact dermatitis or urticaria, less is known about the number and types of chemicals contributing to systemic effects. In an attempt to raise awareness, skin notation assignments communicate the potential for dermal absorption; however, there is a need for standardization among agencies to communicate an accurate description of occupational hazards. Studies have suggested that exposure to complex mixtures, excessive hand washing, use of hand sanitizers, high frequency of wet work, and environmental or other factors may enhance penetration and stimulate other biological responses altering the outcomes of dermal chemical exposure. Understanding the hazards of dermal exposure is essential for the proper implementation of protective measures to ensure worker safety and health.
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Affiliation(s)
- Stacey E Anderson
- National Institute for Occupational Safety and Health, Morgantown, WV, USA
| | - B Jean Meade
- National Institute for Occupational Safety and Health, Morgantown, WV, USA
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Nafisi S, Schäfer-Korting M, Maibach HI. Perspectives on percutaneous penetration: Silica nanoparticles. Nanotoxicology 2014; 9:643-57. [DOI: 10.3109/17435390.2014.958115] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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13
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Ngo MA, Maibach HI. 15 Factors of Percutaneous Penetration of Pesticides. ACS SYMPOSIUM SERIES 2012. [DOI: 10.1021/bk-2012-1099.ch006] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Mai A. Ngo
- Department of Pesticide Regulation, California Environmental Protection Agency, 1001 “I” Street, P.O. Box 4015, Sacramento, California 95812
- Department of Dermatology, University of California, 90 Medical Center Way, Surge 110, Box 0989, San Francisco, California 94143-0989
| | - Howard I. Maibach
- Department of Pesticide Regulation, California Environmental Protection Agency, 1001 “I” Street, P.O. Box 4015, Sacramento, California 95812
- Department of Dermatology, University of California, 90 Medical Center Way, Surge 110, Box 0989, San Francisco, California 94143-0989
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