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Lin C, Marquardt Y, Rütten S, Liao L, Rahimi K, Haraszti T, Baron JM, Bartneck M. Macrophage-like rapid uptake and toxicity of tattoo ink in human monocytes. Immunology 2024; 171:388-401. [PMID: 37964593 DOI: 10.1111/imm.13714] [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: 08/20/2023] [Accepted: 10/29/2023] [Indexed: 11/16/2023] Open
Abstract
Macrophages play a critical role for the persistence of tattoo ink in human skin. However, a comparison to other skin-resident and blood circulating immune cells and a profound analysis of REACH-compliant tattoo ink are unmet medical needs. We hence characterized the size distribution of ink particles using physicochemical methods. We studied the uptake of tattoo ink by key human skin cells and blood-derived immune cells using optical and electron microscopy as well as flow cytometry. Scanning electron microscopy of ink revealed its crystalline structure, and a tendency towards aggregations was indicated by size changes upon diluting it. Flow cytometric analyses of skin and immune cells after incubation with tattoo ink demonstrated an increase in cellular granularity upon uptake and red ink additionally evoked fluorescent signals. Human macrophages were most potent in internalizing ink in full thickness 3D skin models. Macrophage cultures demonstrated that the ink did not lead to elevated inflammatory mediators, and showed no indications for toxicity, even after nice days. Strikingly, monocytes were most efficient in ink uptake, but displayed reduced viability, whereas granulocytes and lymphocytes showed only temporary ink uptake with flow cytometric signals declining after 1 day. Mechanistic studies on ink retention by corticosteroids or dexpanthenol in macrophage cultures demonstrated that these compounds do not lead to ink excretion, but even slightly increase the ink load in macrophages. The highly motile monocytes, precursors of macrophages, may play an underrated role for tattoo ink translocation from dermal blood vessels into internal organs.
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Affiliation(s)
- Cheng Lin
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
- Department of Rheumatology and Shanghai Institute of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yvonne Marquardt
- Department of Dermatology and Allergology, Medical School, RWTH Aachen University, Aachen, Germany
| | - Stefan Rütten
- Electron Microscopy Facility, Institute of Pathology, RWTH Aachen University Hospital, Aachen, Germany
| | - Liangliang Liao
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
- Japan Union Hospital of Jilin University, Changchun, China
| | - Khosrow Rahimi
- DWI-Leibniz Institute for Interactive Materials, Aachen, Germany
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Aachen, Germany
| | - Tamas Haraszti
- DWI-Leibniz Institute for Interactive Materials, Aachen, Germany
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Aachen, Germany
| | - Jens Malte Baron
- Department of Dermatology and Allergology, Medical School, RWTH Aachen University, Aachen, Germany
| | - Matthias Bartneck
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
- DWI-Leibniz Institute for Interactive Materials, Aachen, Germany
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Aachen, Germany
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2
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Pulcinelli T, da Silva TG, Moreira DD, Lagoeiro LE, Agustini D, Silva RF, Franco A. On the forensic relevance of tattoos: distinguishing black inks with energy dispersive spectroscopy and backscattered scanning electron microscopy. Forensic Sci Med Pathol 2024:10.1007/s12024-024-00782-y. [PMID: 38324212 DOI: 10.1007/s12024-024-00782-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/17/2024] [Indexed: 02/08/2024]
Abstract
PURPOSE This study aimed to analyze black tattoo inks by means of energy dispersive spectroscopy and backscattered scanning electron microscopy. METHODS The sample consisted of five types of commercial tattoo pigments of the black colour (Easy Glow™, Electric Ink™, Iron Works™, Master Ink™, and Viper™). An Energy Dispersive Spectroscopy (EDS) detector (Silicon Drift Detector - SDD - type) attached to a Scanning Electron Microscope (SEM) device (Tescan Vega3 LMU, Libusina, Czech Republic) was used. X-ray characteristic signs were detected for each tattoo ink in an interval between 0 and 2.5 keV. The electron acceleration potential in the microscope was 15 keV. Two regions were analyzed for each sample (n = 10). On each region, a micrography of backscattered electrons (BSE) was obtained. Means and standard deviations (SD) of the weight percentages (Wt%) were calculated. RESULTS C and O were predominant, with a mean O/C ratio between 2.69 and 2.74 Wt%. Electric Ink and Master Ink were the most similar pigments, while Easy Glow was the most distinctive - with agglomerates of Al that had a concentration 25 × higher than other specimens. Other compounds detected in the sample were Cl and Cu. CONCLUSION EDS and SEM were efficient to distinguish black tattoo inks. These are our preliminary outcomes on the use of EDS and SEM to analyze black tattoo inks. Thus, careful interpretation is necessary to avoid rash applications in human identification practice.
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Affiliation(s)
- Thais Pulcinelli
- Division of Forensic Dentistry, Faculdade São Leopoldo Mandic, Campinas, Brazil
| | - Thiago Gomes da Silva
- Department of Cellular and Molecular Biology, Federal University of Paraná, Curitiba, Brazil
| | | | | | - Deonir Agustini
- Centre of Electron Microscopy, Federal University of Paraná, Curitiba, Brazil
| | - Rhonan Ferreira Silva
- Department of Forensic Anthropology and Dentistry, Scientific Police of Goiás, Goiânia, Brazil
- Department of Dentistry - Forensic Odontology, Federal University of Goiás, Goiânia, Brazil
| | - Ademir Franco
- Division of Forensic Dentistry, Faculdade São Leopoldo Mandic, R. Dr. José Rocha Junqueira 13, Campinas, Brazil.
- Department of Therapeutic Dentistry, Institute of Dentistry, Sechenov University, Moscow, Russia.
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3
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Sullivan DA, da Costa AX, Del Duca E, Doll T, Grupcheva CN, Lazreg S, Liu SH, McGee SR, Murthy R, Narang P, Ng A, Nistico S, O'Dell L, Roos J, Shen J, Markoulli M. TFOS Lifestyle: Impact of cosmetics on the ocular surface. Ocul Surf 2023; 29:77-130. [PMID: 37061220 DOI: 10.1016/j.jtos.2023.04.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 04/06/2023] [Indexed: 04/17/2023]
Abstract
In this report the use of eye cosmetic products and procedures and how this represents a lifestyle challenge that may exacerbate or promote the development of ocular surface and adnexal disease is discussed. Multiple aspects of eye cosmetics are addressed, including their history and market value, psychological and social impacts, possible problems associated with cosmetic ingredients, products, and procedures, and regulations for eye cosmetic use. In addition, a systematic review that critically appraises randomized controlled trial evidence concerning the ocular effects of eyelash growth products is included. The findings of this systematic review highlight the evidence gaps and indicate future directions for research to focus on ocular surface outcomes associated with eyelash growth products.
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Affiliation(s)
| | | | - Ester Del Duca
- Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | | | | | - Sihem Lazreg
- Lazreg Cornea and Ocular Surface Center, Blida, Algeria
| | - Su-Hsun Liu
- University of Colorado, Anschutz Medical Campus, Aurora, CO, USA
| | | | | | | | - Alison Ng
- Centre for Ocular Research & Education, School of Optometry and Vision Science, University of Waterloo, Waterloo, Canada
| | - Steven Nistico
- Department of Dermatology, University Magna Graecia, Catanzaro, Italy
| | | | | | - Joanne Shen
- Department of Ophthalmology, Mayo Clinic in Arizona, Scottsdale, AZ, USA
| | - Maria Markoulli
- School of Optometry and Vision Science, UNSW Sydney, NSW, Australia
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4
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Blando JD, Guigni BA. Potential chemical risks from tattoos and their relevance to military health policy in the United States. J Public Health Policy 2023; 44:242-254. [PMID: 36914711 PMCID: PMC10232601 DOI: 10.1057/s41271-023-00403-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/16/2023] [Indexed: 03/16/2023]
Abstract
We summarize and consolidate disparate sources of information about the practice of tattooing and its potential implications for military population health and policy. Each branch of the United States military has policies about tattoos for service members, but these have varied over time and do not cover health protection. The number of veterans receiving disability payments and the cost of those payments has been rising over time; the broad category of skin conditions accounts for 11% of disability claims. Any additional factor, such as tattoos that may increase the occurrence of adverse skin reactions, can substantially impact veteran benefit expenses and budgets. This may be a consideration for the military as it evaluates its policies related to tattoos among service members.
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Affiliation(s)
- James D Blando
- School of Community and Environmental Health, Old Dominion University, 4608 Hampton Blvd, Norfolk, VA, 23529, USA.
| | - Blas A Guigni
- Toxicology Directorate, Army Public Health Center, Aberdeen Proving Ground, MD, 21010, USA
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5
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Serup J, Alsing KK, Olsen O, Koch CB, Hansen RH. On the mechanism of painful burn sensation in tattoos on magnetic resonance imaging (MRI). Magnetic substances in tattoo inks used for permanent makeup (PMU) identified: Magnetite, goethite, and hematite. Skin Res Technol 2023; 29:e13281. [PMID: 36973979 PMCID: PMC10155845 DOI: 10.1111/srt.13281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 01/06/2023] [Indexed: 03/19/2023]
Abstract
BACKGROUND Persons with cosmetic tattoos occasionally experience severe pain and burning sensation on magnetic resonance imaging (MRI). OBJECTIVE To explore the culprit magnetic substances in commonly used permanent makeup inks. MATERIAL AND METHODS 20 inks used for cosmetic tattooing of eyebrows, eyeliners, and lips were selected. Ink bottles were tested for magnetic behavior with a neodymium magnet. Eight iron oxide inks qualified for the final study. Metals were analyzed by Inductively Coupled Plasma Mass Spectrometry (ICP-MS). The magnetic fraction of inks was isolated and analyzed by X-ray fluorescence (XRF). Magnetic iron compounds were characterized by Mössbauer spectroscopy and powder X-ray diffraction (XRD). RESULTS ICP-MS showed iron in all magnetic samples, and some nickel and chromium. Mössbauer spectroscopy and XRD detected ferromagnetic minerals, particularly magnetite, followed by goethite and hematite. CONCLUSION This original study of cosmetic ink stock products made with iron oxide pigments reports magnetic impurities in inks for cosmetic tattooing, e.g., magnetite, goethite, and hematite. These may be the main cause of MRI burn sensation in cosmetic tattoos. The mechanism behind sensations is hypothesized to be induction of electrical stimuli of axons from periaxonal pigment/impurity activated by magnetic force. Magnetite is considered the lead culprit.
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Affiliation(s)
- Jørgen Serup
- The Tattoo Clinic, Department of DermatologyCopenhagen University Hospital, BispebjergCopenhagenDenmark
| | - Kasper Køhler Alsing
- The Tattoo Clinic, Department of DermatologyCopenhagen University Hospital, BispebjergCopenhagenDenmark
| | | | | | - Rasmus Hvass Hansen
- Section for Radiation Therapy, Department of Oncology, Center for Cancer and Organ DiseasesCopenhagen University Hospital, RigshospitaletCopenhagenDenmark
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6
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Colboc H, Bazin D, Reguer S, Lucas IT, Moguelet P, Amode R, Jouanneau C, Soria A, Chasset F, Amsler E, Pecquet C, Aractingi S, Bellot-Gurlet L, Deschamps L, Descamps V, Kluger N. Chemical characterization of inks in skin reactions to tattoo. JOURNAL OF SYNCHROTRON RADIATION 2022; 29:1436-1445. [PMID: 36345752 PMCID: PMC9641572 DOI: 10.1107/s1600577522008165] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 08/15/2022] [Indexed: 06/16/2023]
Abstract
Skin reactions are well described complications of tattooing, usually provoked by red inks. Chemical characterizations of these inks are usually based on limited subjects and techniques. This study aimed to determine the organic and inorganic composition of inks using X-ray fluorescence spectroscopy (XRF), X-ray absorption spectroscopy (XANES) and Raman spectroscopy, in a cohort of patients with cutaneous hypersensitivity reactions to tattoo. A retrospective multicenter study was performed, including 15 patients diagnosed with skin reactions to tattoos. Almost half of these patients developed skin reactions on black inks. XRF identified known allergenic metals - titanium, chromium, manganese, nickel and copper - in almost all cases. XANES spectroscopy distinguished zinc and iron present in ink from these elements in endogenous biomolecules. Raman spectroscopy showed the presence of both reported (azo pigments, quinacridone) and unreported (carbon black, phtalocyanine) putative organic sensitizer compounds, and also defined the phase in which Ti was engaged. To the best of the authors' knowledge, this paper reports the largest cohort of skin hypersensitivity reactions analyzed by multiple complementary techniques. With almost half the patients presenting skin reaction on black tattoo, the study suggests that black modern inks should also be considered to provoke skin reactions, probably because of the common association of carbon black with potential allergenic metals within these inks. Analysis of more skin reactions to tattoos is needed to identify the relevant chemical compounds and help render tattoo ink composition safer.
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Affiliation(s)
- Hester Colboc
- Sorbonne Université, Hôpital Rothschild, Service de Gériatrie-Plaies et Cicatrisation, Paris, France
- Sorbonne Université, UPMC Paris 06, Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche S 1155, F-75020 Paris, France
| | - Dominique Bazin
- Institut de Chimie Physique, Université Paris-Saclay, Orsay, France
| | - Solenn Reguer
- DiffAbs Beamline, Synchrotron SOLEIL, L’Orme des Merisiers, Départementale 128, 91190 Saint-Aubin, France
| | - Ivan T. Lucas
- Sorbonne Université, CNRS, Laboratoire Lise UMR 8235, Paris, France
| | - Philippe Moguelet
- Sorbonne Université, Hôpital Tenon, Anatomie et Cytologie Pathologiques, Paris, France
| | | | - Chantal Jouanneau
- Sorbonne Université, UPMC Paris 06, Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche S 1155, F-75020 Paris, France
| | - Angèle Soria
- Sorbonne Université, Hôpital Tenon, Service de Dermatologie-Allergologie, Paris, France
| | - François Chasset
- Sorbonne Université, Hôpital Tenon, Service de Dermatologie-Allergologie, Paris, France
| | - Emmanuelle Amsler
- Sorbonne Université, Hôpital Tenon, Service de Dermatologie-Allergologie, Paris, France
| | - Catherine Pecquet
- Sorbonne Université, Hôpital Tenon, Service de Dermatologie-Allergologie, Paris, France
| | - Sélim Aractingi
- Université de Paris, Hôpital Cochin, Service de Dermatologie, Paris, France
| | | | - Lydia Deschamps
- Université de Paris, Hôpital Bichat, Service d’Anatomie et Cytologie Pathologique, Paris, France
| | - Vincent Descamps
- Université de Paris, Hôpital Bichat, Service de Dermatologie, Paris, France
| | - Nicolas Kluger
- Université de Paris, Hôpital Bichat, Service de Dermatologie, Paris, France
- Department of Dermatology, Allergology and Venereology, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
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7
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Tampa M, Mitran MI, Mitran CI, Matei C, Amuzescu A, Buzatu AA, Georgescu SR. Viral Infections Confined to Tattoos—A Narrative Review. Medicina (B Aires) 2022; 58:medicina58030342. [PMID: 35334518 PMCID: PMC8955137 DOI: 10.3390/medicina58030342] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 02/15/2022] [Accepted: 02/19/2022] [Indexed: 01/19/2023] Open
Abstract
Since ancient times, people have tattooed their skin for various reasons. In the past, tattoos were associated with low social status; nowadays, tattoos are very popular and are considered a form of art. However, tattoos are associated with various clinical problems, including immune reactions, inflammatory disorders, infections, and even skin cancer. Epidemiological and clinical data of infections on tattoos are scarce. Tattoo-related infections are mostly bacterial; only a few localized viral infections have been reported so far and are caused by molluscum contagiosum virus (MCV), human papillomavirus (HPV), and herpes simplex virus (HSV). In most cases, the lesions were strictly confined to the area of the tattoo. In this review, we have analysed reported cases of viral infections localized on tattoos and discussed the possible mechanisms involved in the occurrence of these infections.
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Affiliation(s)
- Mircea Tampa
- Department of Dermatology, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania; (M.T.); (C.M.); (S.R.G.)
- Department of Dermatology, ‘Victor Babes’ Clinical Hospital for Infectious Diseases, 030303 Bucharest, Romania;
| | - Madalina Irina Mitran
- Department of Microbiology, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania;
- Department of Microbiology, “Cantacuzino” National Medico-Military Institute for Research and Development, 011233 Bucharest, Romania
| | - Cristina Iulia Mitran
- Department of Microbiology, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania;
- Department of Microbiology, “Cantacuzino” National Medico-Military Institute for Research and Development, 011233 Bucharest, Romania
- Correspondence: (C.I.M.); (A.A.B.)
| | - Clara Matei
- Department of Dermatology, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania; (M.T.); (C.M.); (S.R.G.)
| | - Andreea Amuzescu
- Department of Dermatology, ‘Victor Babes’ Clinical Hospital for Infectious Diseases, 030303 Bucharest, Romania;
| | - Alina Andreea Buzatu
- Department of Communications and Public Relations, Faculty of Letters, University of Bucharest, 010017 Bucharest, Romania
- Correspondence: (C.I.M.); (A.A.B.)
| | - Simona Roxana Georgescu
- Department of Dermatology, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania; (M.T.); (C.M.); (S.R.G.)
- Department of Dermatology, ‘Victor Babes’ Clinical Hospital for Infectious Diseases, 030303 Bucharest, Romania;
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8
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Pazos MD, Hu Y, Elani Y, Browning KL, Jiang N, Yetisen AK. Tattoo Inks for Optical Biosensing in Interstitial Fluid. Adv Healthc Mater 2021; 10:e2101238. [PMID: 34510804 DOI: 10.1002/adhm.202101238] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 08/20/2021] [Indexed: 12/11/2022]
Abstract
The persistence of traditional tattoo inks presents an advantage for continuous and long-term health monitoring in point of care devices. The replacement of tattoo pigments with optical biosensors aims a promising alternative for monitoring blood biomarkers. Tattoo inks functionalization enables the control of interstitial biomarkers with correlated concentrations in plasma, to diagnose diseases, evaluate progression, and prevent complications associated with physio pathological disorders or medication mismatches. The specific biomarkers in interstitial fluid provide a new source of information, especially for skin diseases. The study of tattoo inks displays insufficient regulation in their composition, a lack of reports of the related complications, and a need for further studies on their degradation kinetics. This review focuses on tattoo optical biosensors for monitoring dermal interstitial biomarkers and discusses the clinical advantages and main challenges for in vivo implantation. Tattoo functionalization provides a minimally invasive, reversible, biocompatible, real-time sensing with long-term permanence and multiplexing capabilities for the control, diagnosis, and prevention of illness; it enables self-controlling management by the patient, but also the possibility of sending the records to the doctor.
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Affiliation(s)
- Martalu D Pazos
- Department of Chemical Engineering, South Kensington Campus, Imperial College London, London, SW7 2AZ, UK
- Leo Foundation Center for Cutaneous Drug Delivery, Department of Pharmacy, Copenhagen University, Copenhagen, 2100, Denmark
| | - Yubing Hu
- Department of Chemical Engineering, South Kensington Campus, Imperial College London, London, SW7 2AZ, UK
| | - Yuval Elani
- Department of Chemical Engineering, South Kensington Campus, Imperial College London, London, SW7 2AZ, UK
| | - Kathryn L Browning
- Leo Foundation Center for Cutaneous Drug Delivery, Department of Pharmacy, Copenhagen University, Copenhagen, 2100, Denmark
| | - Nan Jiang
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, 610041, China
| | - Ali K Yetisen
- Department of Chemical Engineering, South Kensington Campus, Imperial College London, London, SW7 2AZ, UK
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9
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Krzastek SC, Farhi J, Gray M, Smith RP. Impact of environmental toxin exposure on male fertility potential. Transl Androl Urol 2021; 9:2797-2813. [PMID: 33457251 PMCID: PMC7807371 DOI: 10.21037/tau-20-685] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Idiopathic infertility is the most common individual diagnosis in male infertility, representing nearly 44% of cases. Research studies dating over the last half-century consistently demonstrate a decline in male fertility that is incompletely explained by obesity, known genetic causes, or diet and lifestyle changes alone. Human exposures have changed dramatically over the same time course as this fertility decline. Synthetic chemicals surround us. Some are benevolent; however, many are known to cause disruption of the hypothalamic-pituitary-gonadal axis and impair spermatogenesis. More than 80,000 chemicals are registered with the United States National Toxicology Program and nearly 2,000 new chemicals are introduced each year. Many of these are known toxins, such as phthalates, polycyclic aromatic hydrocarbons, aromatic amines, and organophosphate esters, and have been banned or significantly restricted by other countries as they carry known carcinogenic effects and are reproductively toxic. In the United States, many of these chemicals are still permissible in exposure levels known to cause reproductive harm. This contrasts to other chemical regulatory legislature, such as the European Union’s REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) regulations which are more comprehensive and restrictive. Quantification of these diverse exposures on an individual level has proven challenging, although forthcoming technologies may soon make this data available to consumers. Establishing causality and the proportion of idiopathic infertility attributable to environmental toxin exposures remains elusive, however, continued investigation, avoidance of exposure, and mitigation of risk is essential to our reproductive health. The aim of this review is to examine the literature linking changes in male fertility to some of the most common environmental exposures. Specifically, pesticides and herbicides such as dichlorodiphenyltrichloroethane (DDT), dibromochloropropane (DBCP), organophosphates and atrazine, endocrine disrupting compounds including plastic compounds phthalates and bisphenol A (BPA), heavy metals, natural gas/oil, non-ionizing radiation, air and noise pollution, lifestyle factors including diet, obesity, caffeine use, smoking, alcohol and drug use, as well as commonly prescribed medications will be discussed.
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Affiliation(s)
- Sarah C Krzastek
- Department of Urology, University of Virginia, Charlottesville, VA, USA.,Division of Urology, Virginia Commonwealth University, Richmond, VA, USA.,Division of Urology, Hunter Holmes McGuire VAMC, Richmond, VA, USA
| | - Jack Farhi
- Department of Urology, University of Virginia, Charlottesville, VA, USA
| | - Marisa Gray
- Department of Urology, University of Virginia, Charlottesville, VA, USA
| | - Ryan P Smith
- Department of Urology, University of Virginia, Charlottesville, VA, USA
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10
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Study of Tattoo Colorants in Skin by Conventional and Polarized Light Microscopy. Am J Dermatopathol 2020; 42:932-938. [PMID: 33055540 DOI: 10.1097/dad.0000000000001824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Tattoos are a common practice in the 21st century. Although most modern pigments are organic and made of vegetable or plastic compounds, they still sometimes elicit an adverse reaction in the skin. Identifying the tattoo pigment in such biopsies is not always an easy task. To study how tattoo inks appear in the skin, we injected 14 different colors of commercial tattoo ink into normal skin obtained from a mastectomy specimen. One unstained section was obtained from each case, as well as one section stained with hematoxylin-eosin from each case. All sections were observed under the microscope. Stained and unstained sections were also examined under polarized light. We did not observe any modification of the ink color with the staining process with hematoxylin-eosin. However, some pigments appeared differently in stained and unstained sections than in the vial. Pink was the most difficult color to identify from the eosinophilic tissue. None of the colors showed any birefringent particles. However, in some unstained slides under polarized light, the color of the pigment appeared more similar to the one in the vial than in the stained slide.
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11
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Effect of Renewable Fuels and Intake O2 Concentration on Diesel Engine Emission Characteristics and Reactive Oxygen Species (ROS) Formation. ATMOSPHERE 2020. [DOI: 10.3390/atmos11060641] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Renewable diesel fuels have the potential to reduce net CO2 emissions, and simultaneously decrease particulate matter (PM) emissions. This study characterized engine-out PM emissions and PM-induced reactive oxygen species (ROS) formation potential. Emissions from a modern heavy-duty diesel engine without external aftertreatment devices, and fueled with petroleum diesel, hydrotreated vegetable oil (HVO) or rapeseed methyl ester (RME) biodiesel were studied. Exhaust gas recirculation (EGR) allowed us to probe the effect of air intake O2 concentration, and thereby combustion temperature, on emissions and ROS formation potential. An increasing level of EGR (decreasing O2 concentration) resulted in a general increase of equivalent black carbon (eBC) emissions and decrease of NOx emissions. At a medium level of EGR (13% intake O2), eBC emissions were reduced for HVO and RME by 30 and 54% respectively compared to petroleum diesel. In general, substantially lower emissions of polycyclic aromatic hydrocarbons (PAHs), including nitro and oxy-PAHs, were observed for RME compared to both HVO and diesel. At low-temperature combustion (LTC, O2 < 10%), CO and hydrocarbon gas emissions increased and an increased fraction of refractory organic carbon and PAHs were found in the particle phase. These altered soot properties have implications for the design of aftertreatment systems and diesel PM measurements with optical techniques. The ROS formation potential per mass of particles increased with increasing engine O2 concentration intake. We hypothesize that this is because soot surface properties evolve with the combustion temperature and become more active as the soot matures into refractory BC, and secondly as the soot surface becomes altered by surface oxidation. At 13% intake O2, the ROS-producing ability was high and of similar magnitude per mass for all fuels. When normalizing by energy output, the lowered emissions for the renewable fuels led to a reduced ROS formation potential.
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12
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Di Ianni E, Møller P, Mortensen A, Szarek J, Clausen PA, Saber AT, Vogel U, Jacobsen NR. Organomodified nanoclays induce less inflammation, acute phase response, and genotoxicity than pristine nanoclays in mice lungs. Nanotoxicology 2020; 14:869-892. [PMID: 32536294 DOI: 10.1080/17435390.2020.1771786] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Surface modification by different quaternary ammonium compounds (QAC) makes nanoclays more compatible with various polymeric matrices, thereby expanding their potential applications. The growing industrial use of nanoclays could potentially pose a health risk for workers. Here, we assessed how surface modification of nanoclays modulates their pulmonary toxicity. An in vitro screening of the unmodified nanoclay Bentonite (montmorillonite) and four organomodified nanoclays (ONC); coated with various QAC, including benzalkonium chloride (BAC), guided the selection of the materials for the in vivo study. Mice were exposed via a single intratracheal instillation to 18, 54, and 162 µg of unmodified Bentonite or dialkyldimethyl-ammonium-coated ONC (NanofilSE3000), or to 6, 18, and 54 µg of a BAC-coated ONC (Nanofil9), and followed for one, 3, or 28 days. All materials induced dose- and time-dependent responses in the exposed mice. However, all doses of Bentonite induced larger, but reversible, inflammation (BAL neutrophils) and acute phase response (Saa3 gene expression in lung) than the two ONC. Similarly, highest levels of DNA strand breaks were found in BAL cells of mice exposed to Bentonite 1 day post-exposure. A significant increase of DNA strand breaks was detected also for NanofilSE3000, 3 days post-exposure. Only mice exposed to Bentonite showed increased Tgf-β gene expression in lung, biomarker of pro-fibrotic processes and hepatic extravasation, 3 days post-exposure. This study indicates that Bentonite treatment with some QAC changes main physical-chemical properties, including shape and surface area, and may decrease their pulmonary toxicity in exposed mice.
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Affiliation(s)
- Emilio Di Ianni
- National Research Centre for the Working Environment, Copenhagen, Denmark
| | - Peter Møller
- Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Alicja Mortensen
- National Research Centre for the Working Environment, Copenhagen, Denmark
| | - Józef Szarek
- Department of Pathophysiology, Forensic Veterinary Medicine and Administration, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Per Axel Clausen
- National Research Centre for the Working Environment, Copenhagen, Denmark
| | | | - Ulla Vogel
- National Research Centre for the Working Environment, Copenhagen, Denmark.,Department of Micro- and Nanotechnology, DTU, Lyngby, Denmark
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13
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Battistini B, Petrucci F, De Angelis I, Failla CM, Bocca B. Quantitative analysis of metals and metal-based nano- and submicron-particles in tattoo inks. CHEMOSPHERE 2020; 245:125667. [PMID: 31877461 DOI: 10.1016/j.chemosphere.2019.125667] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 11/15/2019] [Accepted: 12/13/2019] [Indexed: 06/10/2023]
Abstract
Exposure to metals and metal-based nano- (NPs, 1-100 nm) and submicron-particles (SPs, 0.1-1 μm) contained in tattoo inks and related health safety is currently receiving a great deal of interest. Twenty inks of different brands and colours were sampled in Italy in 2019. The SemiQuant Inductively Coupled Plasma Mass Spectrometry (ICP-MS) analysis allowed quantifying the concentration of 18 metals (Al, As, Ba, Cd, Co, Cr, Cu, Fe, Hg, Mn, Mo, Ni, Pb, Sb, Se, Sn, Ti, Zn) in inks. The Single Particle ICP-MS was used to detect the diameters and concentration of NPs and SPs of 9 metals (Al, Co, Cr, Cu, Hg, Ni, Pb, Ti and Zn). Concentration of metals in tattoo inks were below the recommended concentrations reported in the Resolution ResAP (2008)1 indicating ink production have shifted to purer materials and best manufacturing practices. Regarding particles, Al was found at nano- (62-80 nm) and submicron-sizes (105-140 nm). Sizes of Cr, Cu, Pb and Zn were in the intervals 42-62 nm, 44-96 nm, 26-28 nm and 26-59 nm, respectively. Titanium was at submicron-diameters (166-383 nm). In addition, Cr and Ti particles accounted for the 47% and 80% of their total concentration, respectively. Tattooing practice exposed humans to metal-based NPs and SPs and the presence of a combination of particles of different metals and/or their dynamics (e.g., dissolution) may change their bioavailability and toxicity.
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Affiliation(s)
- Beatrice Battistini
- Department of Environment and Health, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Francesco Petrucci
- Department of Environment and Health, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Isabella De Angelis
- Department of Environment and Health, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy
| | - Cristina Maria Failla
- Experimental Immunology Laboratory, Istituto Dermopatico dell'Immacolata, Via Monti di Creta 104, 00167, Roma, Italy
| | - Beatrice Bocca
- Department of Environment and Health, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy.
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14
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Knudsen KB, Berthing T, Jackson P, Poulsen SS, Mortensen A, Jacobsen NR, Skaug V, Szarek J, Hougaard KS, Wolff H, Wallin H, Vogel U. Physicochemical predictors of Multi-Walled Carbon Nanotube-induced pulmonary histopathology and toxicity one year after pulmonary deposition of 11 different Multi-Walled Carbon Nanotubes in mice. Basic Clin Pharmacol Toxicol 2018; 124:211-227. [PMID: 30168672 PMCID: PMC7379927 DOI: 10.1111/bcpt.13119] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 08/21/2018] [Indexed: 12/19/2022]
Abstract
Multi‐walled carbon nanotubes (MWCNT) are widely used nanomaterials that cause pulmonary toxicity upon inhalation. The physicochemical properties of MWCNT vary greatly, which makes general safety evaluation challenging to conduct. Identification of the toxicity‐inducing physicochemical properties of MWCNT is therefore of great importance. We have evaluated histological changes in lung tissue 1 year after a single intratracheal instillation of 11 well‐characterized MWCNT in female C57BL/6N BomTac mice. Genotoxicity in liver and spleen was evaluated by the comet assay. The dose of 54 μg MWCNT corresponds to three times the estimated dose accumulated during a work life at a NIOSH recommended exposure limit (0.001 mg/m3). Short and thin MWCNT were observed as agglomerates in lung tissue 1 year after exposure, whereas thicker and longer MWCNT were detected as single fibres, suggesting biopersistence of both types of MWCNT. The thin and entangled MWCNT induced varying degree of pulmonary inflammation, in terms of lymphocytic aggregates, granulomas and macrophage infiltration, whereas two thick and straight MWCNT did not. By multiple regression analysis, larger diameter and higher content of iron predicted less histopathological changes, whereas higher cobalt content significantly predicted more histopathological changes. No MWCNT‐related fibrosis or tumours in the lungs or pleura was found. One thin and entangled MWCNT induced increased levels of DNA strand breaks in liver; however, no physicochemical properties could be related to genotoxicity. This study reveals physicochemical‐dependent difference in MWCNT‐induced long‐term, pulmonary histopathological changes. Identification of diameter size and cobalt content as important for MWCNT toxicity provides clues for designing MWCNT, which cause reduced human health effects following pulmonary exposure.
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Affiliation(s)
- Kristina B Knudsen
- National Research Centre for the Working Environment, Copenhagen Ø, Denmark
| | - Trine Berthing
- National Research Centre for the Working Environment, Copenhagen Ø, Denmark
| | - Petra Jackson
- National Research Centre for the Working Environment, Copenhagen Ø, Denmark
| | - Sarah S Poulsen
- National Research Centre for the Working Environment, Copenhagen Ø, Denmark
| | - Alicja Mortensen
- National Research Centre for the Working Environment, Copenhagen Ø, Denmark
| | - Nicklas R Jacobsen
- National Research Centre for the Working Environment, Copenhagen Ø, Denmark
| | - Vidar Skaug
- National Institute of Occupational Health, Oslo, Norway
| | - Józef Szarek
- Department of Pathophysiology, Forensic Veterinary Medicine and Administration, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Karin S Hougaard
- National Research Centre for the Working Environment, Copenhagen Ø, Denmark
| | - Henrik Wolff
- Finnish Institute of Occupational Health, Helsinki, Finland
| | - Håkan Wallin
- National Institute of Occupational Health, Oslo, Norway
| | - Ulla Vogel
- National Research Centre for the Working Environment, Copenhagen Ø, Denmark.,Department of Micro- and Nanotechnology, DTU, Lyngby, Denmark
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15
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The Krampus and the Old, Dark Christmas—Full-thickness Contact Alkali Burn With Soot, Milking Grease and Baby Oil. J Burn Care Res 2018; 40:140-142. [DOI: 10.1093/jbcr/iry025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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16
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Ramey K, Ibrahim J, Brodell R. Verruca localization predominately in black tattoo ink: a retrospective case series. J Eur Acad Dermatol Venereol 2015; 30:e34-e36. [DOI: 10.1111/jdv.13283] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- K. Ramey
- University of Mississippi Medical Center; Jackson MS USA
| | - J. Ibrahim
- Department of Health Sciences; University of Mississippi Medical Center; Jackson MS USA
- Department of Information Management; University of Mississippi Medical Center; Jackson MS USA
| | - R.T. Brodell
- Department of Dermatology; University of Mississippi Medical Center; Jackson MS USA
- Department of Pathology; University of Mississippi Medical Center; Jackson MS USA
- University of Rochester School of Medicine and Dentistry; Rochester New York USA
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