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Doty N, Beckley E, Garg B, Maristany S, Erikson DW, Jensen JT. Changes in hair cortisol concentration in intrauterine device initiators: A prospective cohort study. Contraception 2023; 128:110142. [PMID: 37633589 PMCID: PMC10842525 DOI: 10.1016/j.contraception.2023.110142] [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: 05/15/2023] [Revised: 08/08/2023] [Accepted: 08/09/2023] [Indexed: 08/28/2023]
Abstract
OBJECTIVES Prior studies found increased hair cortisol concentration (a surrogate marker for hypothalamic-pituitary-adrenal axis activation) in users of the levonorgestrel intrauterine device (LNG 52 mg IUD). We evaluated change in hair cortisol and psychometric tests in women initiating a copper (CuT380 IUD) or LNG 52 mg IUD. STUDY DESIGN We prospectively enrolled healthy women initiating an LNG 52 mg IUD or CuT380 IUD. Participants provided hair and blood samples and completed psychometric inventories (Patient Health Questionnaire-9, Positive and Negative Affect Schedule, and Psychological General Well-Being Index) after IUD insertion and at 6 and 12 months. We used liquid chromatography with tandem mass spectrometry to measure hair cortisol concentrations. We compared hair cortisol concentrations and psychometric test changes from baseline to 6 and 12 months using independent two-sample t tests. RESULTS We enrolled 39 of our targeted 86 participants (LNG 52 mg IUD 26, CuT380 IUD 13). Thirty-eight subjects (LNG 52 mg IUD 25, CuT380 IUD 13) completed 6 months of follow-up. We found no difference between cohorts in the mean change in hair cortisol concentrations at 6 months (LNG 52 mg IUD n = 21 [-0.01 pg/mg (95% CI -1.26, 1.23); CuT380 IUD n = 13 [-1.31 pg/mg (-3.36, 0.73)]). While psychometric inventory results remained within normal ranges, LNG 52 mg IUD users reported a trend toward more favorable changes over time. CONCLUSIONS We did not find clinically important differences in hair cortisol concentrations following initiation of a CuT380 IUD or LNG 52 mg IUD; psychometric inventories demonstrated no adverse effect of hormonal IUDs on mood. IMPLICATIONS Our findings of similar hair cortisol concentrations following the initiation of either the LNG 52 mg IUD or CuT380 IUD suggest that hormonal IUDs do not increase cortisol concentrations or alter stress reactivity, and favorable effects on psychometric inventories provide further reassurance that the LNG 52 mg IUD has no adverse impact on mood. TRIAL REGISTRATION NUMBER ClinicalTrials.gov NCT03499379.
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Affiliation(s)
- Nora Doty
- Department of Obstetrics and Gynecology, Hackensack Meridian Health Jersey Shore University Medical Center, Neptune, NJ, United States.
| | - Ethan Beckley
- Department of Psychiatry, Oregon Health and Science University, Portland, OR, United States
| | - Bharti Garg
- Department of Obstetrics and Gynecology, Oregon Health and Science University, Portland, OR, United States
| | - Sumiko Maristany
- The University of Chicago Pritzker School of Medicine, Chicago, IL, United States
| | - David W Erikson
- Endocrine Technologies Core, Oregon National Primate Research Center, Beaverton, OR, United States
| | - Jeffrey T Jensen
- Department of Obstetrics and Gynecology and Division of Reproductive Sciences, Oregon Health and Science University, Portland, OR, United States
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Mbithi F, Worsley PR. Adhesives for medical application - Peel strength testing and evaluation of biophysical skin response. J Mech Behav Biomed Mater 2023; 148:106168. [PMID: 37847959 DOI: 10.1016/j.jmbbm.2023.106168] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 10/03/2023] [Accepted: 10/06/2023] [Indexed: 10/19/2023]
Abstract
BACKGROUND Medical adhesives are commonly used for securing wound dressings and medical devices used for diagnostic or therapeutic purposes. Mechanical irritation of skin due to adhesive stripping and repeated application can lead to discomfort and device removal. This study aims to examine the peel strength and skin response to different medical adhesives in a cohort of healthy volunteers. METHOD Twelve healthy participants were recruited for peel strength testing of three candidate adhesive tapes, and evaluation of the skin response after adhesive removal. A modified ASTM D903 peel strength testing was performed at 180° peeling angle and a rate of 300 mm/min on the forehead, upper back and forearm skin. A longitudinal study was conducted on the forearm and back, with the adhesive samples left in-situ for up to 60 h for analysis of repeat application. The effects of two skin preparation approaches (water and alcohol cleaning) prior to adhesive application were also assessed. Skin biophysical properties were assessed at baseline and at various timepoints following adhesive removal using transepidermal water loss (TEWL), erythema and hydration. RESULTS Peel strength reduced uniformly with repeat application over prolonged periods for all the adhesive samples tested. Skin preparation with water and alcohol cleansing prior to adhesive application increased peel strength at both the back (1.1% and 2.9%), and forearm (21.3% and 20%) sites. There was statistically significant increase from baseline to post-tape application for TEWL, skin redness and hydration (p < 0.001). However, there were no statistically significant differences between adhesive types (TEWL: p = 0.38, SR: p = 0.53, HY: p = 0.46). TEWL increased the most post-adhesion across all test sites and adhesive samples with repeat application (p < 0.05). Two-way ANOVA tests revealed no statistically significant interactions between the effects of application duration and adhesive on skin redness or TEWL for both the back and forearm sites (p > 0.05), though a significant interaction was indicted for hydration at the back site (p = 0.01). CONCLUSION This study revealed that site and duration of adhesive application effected peel strength. The corresponding changes in skin properties identified that skin barrier function was disrupted with long-term application of adhesives. The back site was identified to be most reliable for adhesion testing and skin response assessment for future work.
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Affiliation(s)
- Florence Mbithi
- Skin Sensing Research Group, School of Health Sciences, University of Southampton, Southampton, UK.
| | - Peter R Worsley
- Skin Sensing Research Group, School of Health Sciences, University of Southampton, Southampton, UK.
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Integrative and Mechanistic Approach to the Hair Growth Cycle and Hair Loss. J Clin Med 2023; 12:jcm12030893. [PMID: 36769541 PMCID: PMC9917549 DOI: 10.3390/jcm12030893] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 01/16/2023] [Accepted: 01/20/2023] [Indexed: 01/24/2023] Open
Abstract
The hair cycle is composed of four primary phases: anagen, catagen, telogen, and exogen. Anagen is a highly mitotic phase characterized by the production of a hair shaft from the hair follicle, whereas catagen and telogen describe regression and the resting phase of the follicle, respectively, ultimately resulting in hair shedding. While 9% of hair follicles reside in telogen at any time, a variety of factors promote anagen to telogen transition, including inflammation, hormones, stress, nutritional deficiency, poor sleep quality, and cellular division inhibiting medication. Conversely, increased blood flow, direct stimulation of the hair follicle, and growth factors promote telogen to anagen transition and subsequent hair growth. This review seeks to comprehensively describe the hair cycle, anagen and telogen balance, factors that promote anagen to telogen transition and vice versa, and the clinical utility of a variety of lab testing and evaluations. Ultimately, a variety of factors impact the hair cycle, necessitating a holistic approach to hair loss.
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Yilmaz S. Toxicity, Genotoxicity, and Carcinogenicity of Isotretinoin. Curr Mol Pharmacol 2023; 16:83-90. [PMID: 35619315 DOI: 10.2174/1874467215666220520143124] [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: 12/07/2021] [Revised: 01/04/2022] [Accepted: 01/06/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Acne is a chronic inflammatory disease mainly observed in adolescence, but it can also be seen during the neonatal, infantile, pre-pubertal, and adult periods. Isotretinoin (13-cis-retinoic acid) is a first-generation retinoid and is the most effective treatment for acne vulgaris. OBJECTIVE The present study has been systematically designed to figure out the toxic, genotoxic, and carcinogenic activities of isotretinoin. METHODS In this study, a systematic approach was followed by focusing on the possible links between these topics. The search of the databases was carried out author in accordance with the guidelines of the Centre for Reviews and Dissemination (2009) developed by York University National Institute of Health Research. The search was concentrated on the Web of Science, PubMed, Science Direct, Scopus, EBSCO Host, and Google Scholar databases. RESULTS Isotretinoin was found as a toxic agent in all studies. All researchers proposed that apoptosis is the only pathway of adverse effects of isotretinoin. However, genotoxicity, teratogenicity, and carcinogenicity information of isotretinoin is very limited and controversial. CONCLUSION More detailed studies need to clarify the genotoxic and carcinogenic potential of isotretinoin. Patients should be informed correctly, the risks of treatment should be explained, and awareness should be raised.
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Affiliation(s)
- Serkan Yilmaz
- Faculty of Nursing, Institute for Forensic Sciences, Ankara University, Ankara, Turkey
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5
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Drake L, Reyes-Hadsall S, Martinez J, Heinrich C, Huang K, Mostaghimi A. Evaluation of the Safety and Effectiveness of Nutritional Supplements for Treating Hair Loss: A Systematic Review. JAMA Dermatol 2023; 159:79-86. [PMID: 36449274 DOI: 10.1001/jamadermatol.2022.4867] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Importance Despite the widespread use of nutritional supplements and dietary interventions for treating hair loss, the safety and effectiveness of available products remain unclear. Objective To evaluate and compile the findings of all dietary and nutritional interventions for treatment of hair loss among individuals without a known baseline nutritional deficiency. Evidence Review The MEDLINE, Embase, and CINAHL databases were searched from inception through October 20, 2021, to identify articles written in English with original findings from investigations of dietary and nutritional interventions in individuals with alopecia or hair loss without a known baseline nutritional deficiency. Quality was assessed with Oxford Centre for Evidence Based Medicine criteria. Outcomes of interest were disease course, both objectively and subjectively measured. Data were evaluated from January 3 to 11, 2022. Findings The database searches yielded 6347 citations to which 11 articles from reference lists were added. Of this total, 30 articles were included: 17 randomized clinical trials (RCTs), 11 clinical studies (non-RCT), and 2 case series studies. No diet-based interventional studies met inclusion criteria. Studies of nutritional interventions with the highest-quality evidence showed the potential benefit of Viviscal, Nourkrin, Nutrafol, Lamdapil, Pantogar, capsaicin and isoflavone, omegas 3 and 6 with antioxidants, apple nutraceutical, total glucosides of paeony and compound glycyrrhizin tablets, zinc, tocotrienol, and pumpkin seed oil. Kimchi and cheonggukjang, vitamin D3, and Forti5 had low-quality evidence for disease course improvement. Adverse effects were rare and mild for all the therapies evaluated. Conclusions and Relevance The findings of this systematic review should be interpreted in the context of each study's design; however, this work suggests a potential role for nutritional supplements in the treatment of hair loss. Physicians should engage in shared decision-making by covering the potential risks and benefits of these treatments with patients experiencing hair loss. Future research should focus on larger RCTs with active comparators.
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Affiliation(s)
- Lara Drake
- Tufts University School of Medicine, Boston, Massachusetts
| | | | - Jeremy Martinez
- Department of Dermatology, Harvard Medical School, Boston, Massachusetts
| | | | - Kathie Huang
- Department of Dermatology, Harvard Medical School, Boston, Massachusetts
- Department of Dermatology, Brigham and Women's Hospital, Boston, Massachusetts
| | - Arash Mostaghimi
- Department of Dermatology, Harvard Medical School, Boston, Massachusetts
- Department of Dermatology, Brigham and Women's Hospital, Boston, Massachusetts
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6
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Zhu S, Zhao Z, Qin W, Liu T, Yang Y, Wang Z, Ma H, Wang X, Liu T, Qi D, Guo P, Pi J, Tian B, Zhang H, Li N. The Nanostructured lipid carrier gel of Oroxylin A reduced UV-induced skin oxidative stress damage. Colloids Surf B Biointerfaces 2022; 216:112578. [PMID: 35636325 DOI: 10.1016/j.colsurfb.2022.112578] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 05/09/2022] [Accepted: 05/13/2022] [Indexed: 10/18/2022]
Abstract
Oxidative stress damage caused by sun exposure damages the appearance and function of the skin, which is one of the essential inducements of skin aging and even leads to skin cancer. Oroxylin A (OA) is a flavonoid with excellent antioxidant activity and has protective effects against photoaging induced by UV irradiation. However, the strong barrier function of the skin stratum corneum prevents transdermal absorption of the drug, which limits the application of OA in dermal drug delivery. Studies have shown that nanostructured lipid carriers (NLC) can promote not only transdermal absorption of drugs but also increase drug stability and control drug release efficiency, which has broad prospects for clinical applications. In this paper, NLC loaded with OA (OA-NLC) was prepared in order to improve the skin permeability and stability of OA. In vitro studies revealed that OA-NLC had better therapeutic effects than OA solution (OA-Sol) in the cellular model of UVB radiation. OA-Sol and OA-NLC were immobilized in a hydrogel matrix to facilitate application to the dorsal skin of mice. It was found that OA-NLC-gel showed significant antioxidant and anti-apoptotic activity compared to OA-Sol-gel, which was able to protect against skin damage in mice after UV radiation. These results suggest that OA-NLC can improve the deficiencies of OA in skin delivery and show better resistance to UV-induced oxidative damage. The application of OA-NLC to skin delivery systems has good prospects and deserves further development and investigation.
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Affiliation(s)
- Shan Zhu
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Zhiyue Zhao
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Wenxiao Qin
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Tao Liu
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Yi Yang
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Zijing Wang
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Hongfei Ma
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Xiang Wang
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Tao Liu
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Dongli Qi
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Pan Guo
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - JiaXin Pi
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - BaoCheng Tian
- School of Pharmacy, Binzhou Medical University, 346 Guanhai Road, Yantai 264003, China
| | - Han Zhang
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
| | - Nan Li
- State Key laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
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7
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Kaźmierska A, Bolesławska I, Polańska A, Dańczak-Pazdrowska A, Jagielski P, Drzymała-Czyż S, Adamski Z, Przysławski J. Effect of Evening Primrose Oil Supplementation on Selected Parameters of Skin Condition in a Group of Patients Treated with Isotretinoin-A Randomized Double-Blind Trial. Nutrients 2022; 14:nu14142980. [PMID: 35889936 PMCID: PMC9317771 DOI: 10.3390/nu14142980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/14/2022] [Accepted: 07/19/2022] [Indexed: 11/16/2022] Open
Abstract
Background: Retinoids, which include isotretinoin, reduce sebum levels, the degree of epidermal wetness (CORN) and cause an increase in transepidermal water loss (TEWL). Weight gain has also been observed in isotretinoin-treated patients. An agent that can reduce the severity of isotretinoin side effects is evening primrose oil (Oenothera paradoxa). The purpose of this study was to evaluate the effect of evening primrose oil supplementation in patients with acne vulgaris treated with isotretinoin on skin hydration status (CORN), transepidermal water loss (TEWL), skin oiliness (sebum) and changes in body weight and BMI. Methods: Patients diagnosed with acne were assigned to the isotretinoin-treated group (n = 25) or the isotretinoin and evening primrose oil-treated group (n = 25). The intervention lasted 9 months. CORN (with a corneometer), TEWL (with a tewameter) and sebum (with a sebumeter) were assessed twice, as well as body weight and BMI (Tanita MC-780). Results: The isotretinoin-treated group showed statistically significant reductions in CORN (p = 0.015), TEWL (p = 0.004) and sebum (p < 0.001) after the intervention. In the group treated with isotretinoin and evening primrose oil, TEWL and sebum levels also decreased significantly (p < 0.05), while CORN levels increased from 42.0 ± 9.70 to 50.9 ± 10.4 (p = 0.017). A significant decrease in body weight (p < 0.001) and BMI (p < 0.001) was observed in both groups after 9 months of intervention. Conclusions: During isotretinoin treatment, supplementation with evening primrose oil increased skin hydration. However, there were no differences between groups in transepidermal water loss, skin oiliness, weight loss and BMI.
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Affiliation(s)
- Agnieszka Kaźmierska
- Department of Bromatology, Poznan University of Medical Sciences, 60-806 Poznan, Poland; (A.K.); (S.D.-C.); (J.P.)
| | - Izabela Bolesławska
- Department of Bromatology, Poznan University of Medical Sciences, 60-806 Poznan, Poland; (A.K.); (S.D.-C.); (J.P.)
- Correspondence:
| | - Adriana Polańska
- Laboratory of Connective Tissue Diseases, Department of Dermatology and Venereology, Poznan University of Medical Sciences, 60-355 Poznan, Poland;
| | | | - Paweł Jagielski
- Department of Nutrition and Drug Research, Institute of Public Health, Faculty of Health Sciences, Jagiellonian University Medical College, 31-066 Krakow, Poland;
| | - Sławomira Drzymała-Czyż
- Department of Bromatology, Poznan University of Medical Sciences, 60-806 Poznan, Poland; (A.K.); (S.D.-C.); (J.P.)
| | - Zygmunt Adamski
- Department of Dermatology, Poznan University of Medical Sciences, 60-806 Poznan, Poland; (A.D.-P.); (Z.A.)
| | - Juliusz Przysławski
- Department of Bromatology, Poznan University of Medical Sciences, 60-806 Poznan, Poland; (A.K.); (S.D.-C.); (J.P.)
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8
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Lytvyn Y, McDonald K, Mufti A, Beecker J. Comparing the frequency of isotretinoin-induced hair loss at <0.5-mg/kg/d versus ≥0.5-mg/kg/d dosing in acne patients: A systematic review. JAAD Int 2022; 6:125-142. [PMID: 35199047 PMCID: PMC8841364 DOI: 10.1016/j.jdin.2022.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Over 1 million isotretinoin prescriptions are authorized in the United States per year. An insight into the frequency, dose dependency, timing, and reversibility of hair loss associated with isotretinoin treatment for acne vulgaris could help guide dosing regimens and patient counseling. The objective of this systematic review was to assess the frequency of hair loss in patients with acne vulgaris on <0.5 mg/kg/d daily doses of isotretinoin versus the frequency of hair loss in patients with acne vulgaris on ≥0.5 mg/kg/d daily doses of isotretinoin. An Embase and MEDLINE search was conducted on July 15, 2020, in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. The review focused on acne vulgaris patients. The treatment of acne vulgaris is the most common use of isotretinoin, and the population is typically younger and with fewer comorbidities. Twenty-two studies reported hair loss with oral isotretinoin treatment. A frequency analysis suggested that patients with acne vulgaris on <0.5 mg/kg/d of isotretinoin experienced hair loss at a frequency of 3.2% (n = 18/565) compared with those on ≥0.5 mg/kg/d, who experienced hair loss at a frequency of 5.7% (n = 192/3375). Inferential statistics were not possible. Physicians should consider counseling patients about the risk of telogen effluvium prior to drug initiation, as is commonly done for other side effects. The potential trend of increased hair loss frequency at a higher daily dosing warrants further investigation using higher-quality research.
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9
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Zdrada J, Stolecka‐Warzecha A, Odrzywołek W, Deda A, Błońska‐Fajfrowska B, Wilczyński S. Impact of IPL treatments on parameters of acne skin. J Cosmet Dermatol 2022; 21:2015-2020. [DOI: 10.1111/jocd.14802] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 12/29/2021] [Accepted: 01/18/2022] [Indexed: 11/27/2022]
Affiliation(s)
- Julita Zdrada
- Department of Basic Biomedical Science Faculty of Pharmaceutical Sciences in Sosnowiec Medical University of Silesia Katowice Poland
| | - Anna Stolecka‐Warzecha
- Department of Basic Biomedical Science Faculty of Pharmaceutical Sciences in Sosnowiec Medical University of Silesia Katowice Poland
| | - Wiktoria Odrzywołek
- Department of Basic Biomedical Science Faculty of Pharmaceutical Sciences in Sosnowiec Medical University of Silesia Katowice Poland
| | - Anna Deda
- Department of Cosmetology Faculty of Pharmaceutical Sciences in Sosnowiec Medical University of Silesia Katowice Poland
| | - Barbara Błońska‐Fajfrowska
- Department of Basic Biomedical Science Faculty of Pharmaceutical Sciences in Sosnowiec Medical University of Silesia Katowice Poland
| | - Sławomir Wilczyński
- Department of Basic Biomedical Science Faculty of Pharmaceutical Sciences in Sosnowiec Medical University of Silesia Katowice Poland
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Abstract
Healthy hair results from a combination of good generalized health and mindful health care practices. Many nutritional deficiencies lead to poor hair health and include changes to hair structure, texture, and viability. Although the mechanisms by which individual nutrients contribute to hair growth and maintenance have yet to be fully resolved, there are a variety of risk factors that predispose an individual to a nutritional deficiency; age, malnutrition, malabsorption, and medication use are among the most common. A thorough history should be taken in a patient with a hair disturbance to identify risk factors for a nutritional deficiency, which will then guide directed laboratory testing and treatment.
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Affiliation(s)
- Kelly O'Connor
- Department of Dermatology, Boston University Medical Center, Boston, Massachusetts, USA. kelly.o'
| | - Lynne J Goldberg
- Department of Dermatology, Boston University Medical Center, Boston, Massachusetts, USA
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11
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Seo JI, Ham HI, Baek JH, Shin MK. An objective skin-type classification based on non-invasive biophysical parameters. J Eur Acad Dermatol Venereol 2021; 36:444-452. [PMID: 34747517 DOI: 10.1111/jdv.17793] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 10/14/2021] [Indexed: 12/19/2022]
Abstract
BACKGROUND Despite the invention of various non-invasive bioengineering tools, skin-type analysis has largely been based on subjective assessments. However, advancements in the functional cosmetic industry and artificial intelligence-assisted dermatology are creating a greater demand for an objective skin-type classification system. OBJECTIVES To propose an objective skin-type classification system solely based on non-invasive, bioengineering devices; provide reference values applicable to the Korean population; and compare our reference values with those of published studies. METHODS Biophysical parameter measurements were obtained from the 2018 International Skin Characteristics Data Bank Project conducted by the Foundation of Korea Cosmetic Industry Institute. The participants were 434 healthy South Korean adults. Each participant was assessed using eight bioengineering devices (Tewameter® , pH-meter® , Corneometer® , Sebumeter® , Cutometer® , Spectrophotometer® , PRIMOS® lite, and Janus® ). The measurements were divided into tertiles to determine reference points. RESULTS Our objective skin-type classification consists of five main categories (sensitivity, hydration, oiliness, elasticity, and skin tone) and five corresponding subcategories (erythema, roughness, pores, wrinkles, and pigmentation, respectively). Each skin type was assigned based on the reference point of the biophysical parameter, which was established as the tertile value associated with 'unfavourable' skin characteristics. Individuals were categorized as having sensitive skin when the TEWL scores were over 18.0 g/m2 /h or the pH was over 5.45; dehydrated skin when the corneometric value measured below 47.17 A.U.; oily skin when the sebumetric value exceeded 70 μg/cm2 ; and loose skin when the cutometric R2 value was below 0.68 E/mm. CONCLUSIONS This study is the first to provide a comprehensive skin-type classification system based solely on non-invasive biophysical parameters. As measurement data accumulate, the reference points will progress to become more accurate, and they will be subdivided according to gender, age, and ethnic group. Therefore, our classification system serves as a basis for artificial intelligence-based skin-type analysis.
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Affiliation(s)
- J I Seo
- Department of Dermatology, School of Medicine, Kyung Hee University, Seoul, Korea
| | - H I Ham
- Dermapro Skin Research Center, DERMAPRO Ltd., Seoul, Republic of Korea
| | - J H Baek
- Dermapro Skin Research Center, DERMAPRO Ltd., Seoul, Republic of Korea
| | - M K Shin
- Department of Dermatology, School of Medicine, Kyung Hee University, Seoul, Korea
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12
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Dąbrowska M, Nowak I. Lipid Nanoparticles Loaded with Selected Iridoid Glycosides as Effective Components of Hydrogel Formulations. MATERIALS (BASEL, SWITZERLAND) 2021; 14:4090. [PMID: 34361282 PMCID: PMC8347055 DOI: 10.3390/ma14154090] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/16/2021] [Accepted: 07/20/2021] [Indexed: 12/15/2022]
Abstract
One possibility of improving active ingredient penetration into deeper skin layers to enhance the cosmetic product effectiveness, is the application of lipid nanoparticles. The aim of the study presented in this paper was to evaluate the potential of hydrogel formulations enriched with iridoid glycosides-loaded lipid nanoparticles. Lipid nanocarriers were produced using an emulsification-ultrasonication method based on multiple emulsions. The encapsulation efficiency was determined at the level of 89% and 77% for aucubin and catalpol, respectively. The next stage was the incorporation of the obtained dispersions of lipid nanoparticles into hydrogel formulations, followed by determination of their physicochemical properties, shelf-life stability, and application properties (in vivo tests). The introduction of lipid nanoparticles increased the stabilization of the consistency of the obtained hydrogel formulations, and was confirmed by viscosity measurements. No effect of lipid nanoparticle incorporation on shelf-life stability of the hydrogels was detected. In vivo studies showed improvements in moisture content of the epidermis, transepidermal water loss, skin topography, and macrorelief parameters. In particular, a synergistic effect of the active ingredients and lipid nanoparticles on the anti-wrinkle effect, moisturizing effect, and regeneration of the protective barrier of the stratum corneum was evidenced. The attractiveness of aucubin and catalpol as cosmetic raw materials in hydrogel formulations was evidenced, especially when the iridoid glycosides were applied in the form of lipid nanoparticles.
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Affiliation(s)
- Marta Dąbrowska
- Department of Applied Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614 Poznan, Poland;
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Gencebay G, Aşkın Ö, Serdaroğlu S. Evaluation of the changes in sebum, moisturization and elasticity in acne vulgaris patients receiving systemic isotretinoin treatment. Cutan Ocul Toxicol 2021; 40:140-144. [PMID: 33978534 DOI: 10.1080/15569527.2021.1922434] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
AIM The aim of this study was to determine the change in facial skin sebum, hydration and elasticity of acne vulgaris patients after being treated with systemic isotretinoin. METHOD Patients who were diagnosed with acne vulgaris and who received systemic isotretinoin treatment for 6 months in Cerrahpaşa Medical Faculty Department of Dermatology between June 2012 and May 2017 were included in this study. The sebum, hydration and elasticity of the skin were measured non-invasively with a device called "Soft Plus Skin Analyses System" before treatment and 6 months after treatment. The relationship between the pre-treatment and post-treatment values were evaluated statistically. 35 adult patients (20 female, 15 male) who were diagnosed with acne vulgaris and who received systemic isotretinoin treatment for 6 months. RESULTS The pre-treatment sebum value for both sexes ranged between 5 and 100 and the mean value was calculated as 75.8 ± 28.0. The post-treatment sebum values ranged between 1 and 98 and the mean value was calculated as 48.4 ± 31.8. The difference between the pre-treatment and post-treatment values was statistically significant, p < 0.001. The decline in sebum value after treatment was 36%. The pre-treatment hydration values ranged between 9 and 77.5 and the mean was 34.6 ± 14.6. The post treatment hydration values ranged between 4.8 and 100 and the mean was calculated as 62.4 ± 28.6. The difference between the pre-treatment and post-treatment hydration values were statistically significant, p < 0.001. The post-treatment increase in hydration was 79%. The pre-treatment skin elasticity ranged between 28 and 50; the mean was 40.4 ± 5.5. The post-treatment elasticity values ranged between 20 and 50; and the mean was 37.5 ± 8.2. However, the difference was not statistically significant (p = 0.1). CONCLUSION With this study, it was concluded that, systemic isotretion leads to a 36% decline in skin sebum values and a 79% increase in the skin hydration. However, the change in skin elasticity was not statistically significant. Furthermore, the changes in sebum and skin hydration did not lead to a change in skin elasticity.
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Affiliation(s)
- Güllü Gencebay
- Şırnak Goverment Hospital Dermatology Department, Şırnak, Turkey
| | - Özge Aşkın
- Cerrahpaşa Medical Faculty, Dermatology Department, Istanbul University-Cerrahpaşa, Istanbul, Turkey
| | - Server Serdaroğlu
- Cerrahpaşa Medical Faculty, Dermatology Department, Istanbul University-Cerrahpaşa, Istanbul, Turkey
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Aksac SE, Bilgili SG, Yavuz GO, Yavuz IH, Aksac M, Karadag AS. Evaluation of biophysical skin parameters and hair changes in patients with acne vulgaris treated with isotretinoin, and the effect of biotin use on these parameters. Int J Dermatol 2021; 60:980-985. [PMID: 33682085 DOI: 10.1111/ijd.15485] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 12/27/2020] [Accepted: 02/05/2021] [Indexed: 11/29/2022]
Abstract
AIM Impairment of biotin metabolism with the use of isotretinoin and the mucocutaneous side effects observed in patients using isotretinoin suggests that they are a result of decreased enzyme activity. We aimed to determine the pattern of skin and hair changes in patients with acne receiving isotretinoin and how these changes were affected by biotin added to the treatment. MATERIALS AND METHODS Sixty patients were divided into two groups. Each group contained 30 patients. Groups A and B received 0.5 mg/kg/day isotretinoin, and 10 mg/day biotin supplement was added to Group B. Both groups were evaluated using a digital dermoscope for hair changes and with a DermaLab® Combo device for transepidermal water loss (TEWL), skin retraction, skin hydration, and skin sebum levels at the beginning and end of the fourth month. RESULTS In group B, the anagen hair ratio increased (P = 0.034) and the telogen hair ratio decreased significantly (P = 0.003). Skin sebum and the skin retraction values decreased in both groups. Skin hydration decreased significantly in group A (P = 0.001), but there was no significant decrease in group B (P = 0.43). CONCLUSION Biotin (10 mg/day) given in addition to isotretinoin treatment decreased telogen and increased anagen hair rates and helped to maintain skin hydration. The use of 10 mg/day biotin can prevent the mucocutaneous adverse effects of isotretinoin treatment.
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Affiliation(s)
- Sema E Aksac
- Department of Dermatology, Mersin City Hospital, Mersin, Turkey
| | - Serap G Bilgili
- Department of Dermatology, Faculty of Medicine, Van Yuzuncu Yil University, Van, Turkey
| | - Goknur O Yavuz
- Department of Dermatology, Faculty of Medicine, Van Yuzuncu Yil University, Van, Turkey
| | - Ibrahim H Yavuz
- Department of Dermatology, Faculty of Medicine, Van Yuzuncu Yil University, Van, Turkey
| | - Murat Aksac
- Department of Plastic and Reconstructive Surgery, Faculty of Medicine, Mersin University, Mersin, Turkey
| | - Ayse S Karadag
- Department of Dermatology, Istanbul Medeniyet University Medical Faculty, Istanbul, Turkey
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Della Porta AL, Saikaly SK, Nyinawinyange D, De Benedetto A. Isotretinoin-induced inflammation of the urethral meatus. Dermatol Ther 2021; 34:e14898. [PMID: 33605047 DOI: 10.1111/dth.14898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 09/29/2020] [Accepted: 02/13/2021] [Indexed: 11/30/2022]
Affiliation(s)
- Adriana L Della Porta
- Department of Dermatology, University of Florida, College of Medicine, Gainesville, Florida, USA
| | - Sami K Saikaly
- Department of Dermatology, University of Florida, College of Medicine, Gainesville, Florida, USA
| | - Domina Nyinawinyange
- Department of Dermatology, University of Florida, College of Medicine, Gainesville, Florida, USA
| | - Anna De Benedetto
- Department of Dermatology, University of Florida, College of Medicine, Gainesville, Florida, USA
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Adelman MJ, Bedford LM, Potts GA. Clinical efficacy of popular oral hair growth supplement ingredients. Int J Dermatol 2020; 60:1199-1210. [DOI: 10.1111/ijd.15344] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 10/27/2020] [Accepted: 11/09/2020] [Indexed: 11/29/2022]
Affiliation(s)
| | - Lisa M. Bedford
- Department of Dermatology Wayne State University Detroit USA
| | - Geoff A. Potts
- Department of Dermatology Wayne State University Detroit USA
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Elder A, Ring C, Heitmiller K, Gabriel Z, Saedi N. The role of artificial intelligence in cosmetic dermatology-Current, upcoming, and future trends. J Cosmet Dermatol 2020; 20:48-52. [PMID: 33151612 DOI: 10.1111/jocd.13797] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/08/2020] [Accepted: 10/09/2020] [Indexed: 01/10/2023]
Abstract
Within the field of cosmetic dermatology, several promising developments utilize artificial intelligence to better patient care. While many new treatments in cosmetic dermatology feature components of artificial intelligence, there is a knowledge gap within the field regarding the current and developing products featuring AI. We aim to highlight current and developing applications of artificial intelligence in cosmetic dermatology and provide insight into future modalities in this field. Methods include literature review, including peer-reviewed journal articles as well as product websites. In an age of medical and technological advancement, the utility of artificial intelligence models continues to grow.There are many new facets of artificial intelligence in cosmetic dermatology, marketed to both the consumer and the physician. With the development of customizable skin care, augmented reality applications, and at-home skin analysis tools, patients are empowered to be the masters of their cosmetic care. Artificial intelligence is utilized by physicians in new ways in their practices, with the advent of models for prediction of clinical outcome to treatments and tools for in-depth analysis of the patient's skin. Further research is required in the development of automated energy-based treatment devices and robotic-assisted treatments. Models for AI in cosmetic dermatology serve to increase patient involvement in their skin care decisions and have the ability to enhance the patient-physician experience. Dermatologists should be well-informed of the emerging technologies to better educate patients and enhance their clinical practice.
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Affiliation(s)
- Alexandra Elder
- Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, USA
| | - Christina Ring
- Department of Dermatology and Cutaneous Biology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Kerry Heitmiller
- Department of Dermatology and Cutaneous Biology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Zena Gabriel
- Department of Dermatology and Cutaneous Biology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Nazanin Saedi
- Department of Dermatology and Cutaneous Biology, Thomas Jefferson University, Philadelphia, PA, USA
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Dąbrowska M, Nowak I. Noninvasive evaluation of the influence of aucubin-containing cosmetic macroemulsion on selected skin parameters. J Cosmet Dermatol 2020; 20:1022-1030. [PMID: 32750209 DOI: 10.1111/jocd.13649] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 07/24/2020] [Accepted: 07/28/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Objective evaluation of skin condition on the basis of noninvasive methods has become obligatory and may be a good strategy for verifying the efficiency of new cosmetic active ingredients. AIM The aim of this study was to assess the influence of aucubin-containing cosmetic macroemulsion on skin parameters using the skin testing equipment. PATIENTS/METHODS The study was carried out on the group of 25 female volunteers of the mean age 27 ± 2 years. The skin parameters were measured using the following devices: Tewameter® TM 300 (transepidermal water loss, TEWL), Corneometer® CM 825 (skin hydration), Cutometer® MPA 580 (skin elasticity), Visioscan® VC 98 (skin topography), and Visioline® VL 650 (skin macrorelief). All measurements were performed on the inner part of the left forearm. RESULTS The skin parameters measured revealed the beneficial influence of aucubin on TEWL and skin hydration level. The application of aucubin-enriched cream caused more significant improvements of all determined SELS parameters, in comparison with cream without it. An analogous tendency was noticed in the case of skin macrorelief parameters; the addiction of the active ingredient led to a decrease in the value of total wrinkle area and diminished the mean length and depth of single wrinkles. CONCLUSIONS Noninvasive methods of skin testing have provided a possibility of objective evaluation of the action of new active ingredients in cosmetic formulations. The study has proved the positive influence of aucubin on effectiveness of cosmetic macroemulsions, diminishing TEWL, increasing skin hydration level, and improving the values of SELS and skin macrorelief parameters.
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Affiliation(s)
- Marta Dąbrowska
- Department of Applied Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Poznań, Poznan, Poland
| | - Izabela Nowak
- Department of Applied Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Poznań, Poznan, Poland
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Pathoulas JT, Bellefeuille G, Lofgreen SJ, Shaik J, Hordinsky MK, Sadick NS, Farah RS. Unknown safety profile of ingredients in hair supplements: A call to action for improved patient safety. J Am Acad Dermatol 2020; 83:e213-e214. [DOI: 10.1016/j.jaad.2020.05.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 05/11/2020] [Accepted: 05/11/2020] [Indexed: 10/24/2022]
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Gupta M, Lotti T, Goldust M. Alopecia areata and isotretinoin; coincidence or causal relation. Dermatol Ther 2020; 33:e13280. [PMID: 32083770 DOI: 10.1111/dth.13280] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 02/17/2020] [Accepted: 02/18/2020] [Indexed: 11/29/2022]
Abstract
Isotretinoin is a safe and useful medication for acne management. Adverse effects are mostly related to cutaneous and mucous membranes. We present a case of a 24-year-old female patient who was on treatment with isotretinoin for acne vulgaris Grade 4. After 6 months of treatment, the patient presented with localized patch of hair loss. Beginning of alopecia areata in patients with acne vulgaris could be regarded as a side effect of retinoids due to anti-acne therapy. The exact mechanism by which retinoids cause hair loss is not known.
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Affiliation(s)
| | - Torello Lotti
- Department of Dermatology, University of Studies Guglielmo Marconi, Rome, Italy
| | - Mohamad Goldust
- Department of Dermatology, University of Rome G. Marconi, Rome, Italy.,Department of Dermatology, University Medical Center Mainz, Mainz, Germany.,Department of Dermatology, University Hospital Basel, Basel, Switzerland
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Schuldenfrei MD, Pieper JB. Evaluation of hair follicle parameters using TrichoScale Pro © in healthy dogs: a pilot study. Vet Dermatol 2020; 31:181-e37. [PMID: 31898370 DOI: 10.1111/vde.12836] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/13/2019] [Indexed: 01/11/2023]
Abstract
BACKGROUND Trichoscopy, in combination with image analysis software, is a readily available, efficient diagnostic tool for assessing hair follicle parameters of people in vivo. Systems designed for use in human dermatology must be evaluated and validated with animal skin/hair before they can be used for veterinary applications. OBJECTIVES To evaluate the use of a commercial software package for image analysis of canine hair follicles and to define hair follicle parameters. ANIMALS Thirteen client-owned healthy dogs. METHODS Trichoscopic images at x20 magnification were obtained from three shaved body sites (left dorsal head, left thorax, left flank) over a five day period, then analyzed by the software. RESULTS The image analysis software was able to identify microscopic changes in hair length on a daily basis, calculating a mean hair growth rate of 0.065 mm/day. Each of the three body sites had consistent hair growth rates across all days. Anagen and telogen percentages were consistent at each body site by Day 2 (48 h post-clipping). Data for mean hair thickness, and primary and secondary hair percentages also are reported. CONCLUSIONS Although it provides less useful data for canine hair coats than for human scalp hair, the system evaluated provides an easy, noninvasive, rapid means for assessing several important canine hair follicle parameters: daily hair growth rates, anagen and telogen percentages, primary and secondary hair percentages, and mean hair thickness. This diagnostic tool could serve to establish breed-specific hair coat standards, evaluating hair follicle changes in various canine alopecic conditions and monitoring coat-promoting treatments in dogs.
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Affiliation(s)
- Marvin D Schuldenfrei
- Department of Veterinary Clinical Medicine, University of Illinois Veterinary Teaching Hospital, 1008 West Hazelwood Drive, Urbana, IL, 61802, USA
| | - Jason B Pieper
- Department of Veterinary Clinical Medicine, University of Illinois Veterinary Teaching Hospital, 1008 West Hazelwood Drive, Urbana, IL, 61802, USA
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Almohanna HM, Ahmed AA, Tsatalis JP, Tosti A. The Role of Vitamins and Minerals in Hair Loss: A Review. Dermatol Ther (Heidelb) 2018; 9:51-70. [PMID: 30547302 PMCID: PMC6380979 DOI: 10.1007/s13555-018-0278-6] [Citation(s) in RCA: 99] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Indexed: 02/07/2023] Open
Abstract
People commonly inquire about vitamin and mineral supplementation and diet as a means to prevent or manage dermatological diseases and, in particular, hair loss. Answering these queries is frequently challenging, given the enormous and conflicting evidence that exists on this subject. There are several reasons to suspect a role for micronutrients in non-scarring alopecia. Micronutrients are major elements in the normal hair follicle cycle, playing a role in cellular turnover, a frequent occurrence in the matrix cells in the follicle bulb that are rapidly dividing. Management of alopecia is an essential aspect of clinical dermatology given the prevalence of hair loss and its significant impact on patients’ quality of life. The role of nutrition and diet in treating hair loss represents a dynamic and growing area of inquiry. In this review we summarize the role of vitamins and minerals, such as vitamin A, vitamin B, vitamin C, vitamin D, vitamin E, iron, selenium, and zinc, in non-scarring alopecia. A broad literature search of PubMed and Google Scholar was performed in July 2018 to compile published articles that study the relationship between vitamins and minerals, and hair loss. Micronutrients such as vitamins and minerals play an important, but not entirely clear role in normal hair follicle development and immune cell function. Deficiency of such micronutrients may represent a modifiable risk factor associated with the development, prevention, and treatment of alopecia. Given the role of vitamins and minerals in the hair cycle and immune defense mechanism, large double-blind placebo-controlled trials are required to determine the effect of specific micronutrient supplementation on hair growth in those with both micronutrient deficiency and non-scarring alopecia to establish any association between hair loss and such micronutrient deficiency. Plain Language Summary: Plain language summary available for this article.
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Affiliation(s)
- Hind M Almohanna
- Department of Dermatology and Dermatologic Surgery, Prince Sultan Military Medical City, Riyadh, Saudi Arabia.
| | - Azhar A Ahmed
- Department of Dermatology, King Fahad General Hospital, Medina, Saudi Arabia
| | - John P Tsatalis
- Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, 1475 NW 12th Ave. Suite 2175, Miami, FL, 33136, USA
| | - Antonella Tosti
- Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, 1475 NW 12th Ave. Suite 2175, Miami, FL, 33136, USA
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İslamoğlu ZGK, Altınyazar HC. Effects of isotretinoin on the hair cycle. J Cosmet Dermatol 2018; 18:647-651. [DOI: 10.1111/jocd.12800] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 07/19/2018] [Accepted: 09/07/2018] [Indexed: 12/28/2022]
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24
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Kim HM, Eom Y, Song JS. The Relationship Between Morphology and Function of the Meibomian Glands. Eye Contact Lens 2018; 44:1-5. [DOI: 10.1097/icl.0000000000000336] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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ÇÖLGEÇEN E, ÖZYURT K, FERAHBAŞ KESİKOĞLU A. The effect of systemic isotretinoin treatment on skin biophysicalparameters among patients with acne vulgaris*. Turk J Med Sci 2016; 46:1641-1644. [DOI: 10.3906/sag-1507-31] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2015] [Accepted: 02/10/2016] [Indexed: 11/03/2022] Open
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Oudenhoven MD, Kinney MA, McShane DB, Burkhart CN, Morrell DS. Adverse effects of acne medications: recognition and management. Am J Clin Dermatol 2015; 16:231-242. [PMID: 25896771 DOI: 10.1007/s40257-015-0127-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Acne vulgaris is a very common chronic inflammatory disease of the skin. The clinical features of acne range from non-inflammatory comedones to inflammatory nodules. While often perceived as an adolescent disease, the prevalence remains high into adulthood, and the manifestations can have detrimental psychosocial effects. It is therefore not surprising that many patients are motivated to seek treatment. The existing treatment strategies for acne are complex due to the multifactorial pathogenesis of the disease. Although it is difficult to cure, four categories of medications have proved efficacious in reducing acne lesions: topical agents, systemic antibiotics, systemic retinoids, and hormonal agents. Unfortunately, these medications can cause adverse effects that may limit their use. Typically, these adverse effects are mild and transient and can be remedied by altering the dose or frequency of the offending agent. However, more serious adverse effects can occur that pose a significant health risk to the patient. Understanding how to recognize and manage the adverse effects of common acne therapies is imperative to providing the safest and most appropriate treatment for each patient. This article focuses on the recognition and management of adverse effects associated with current acne medications.
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Affiliation(s)
- Mollie D Oudenhoven
- Department of Dermatology, University of North Carolina School of Medicine, 410 Market Street, #400, Chapel Hill, NC, 27516, USA
| | - Megan A Kinney
- Department of Dermatology, University of North Carolina School of Medicine, 410 Market Street, #400, Chapel Hill, NC, 27516, USA
| | - Diana B McShane
- Department of Dermatology, University of North Carolina School of Medicine, 410 Market Street, #400, Chapel Hill, NC, 27516, USA
| | - Craig N Burkhart
- Department of Dermatology, University of North Carolina School of Medicine, 410 Market Street, #400, Chapel Hill, NC, 27516, USA
| | - Dean S Morrell
- Department of Dermatology, University of North Carolina School of Medicine, 410 Market Street, #400, Chapel Hill, NC, 27516, USA.
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Suo L, Sundberg JP, Everts HB. Dietary vitamin A regulates wingless-related MMTV integration site signaling to alter the hair cycle. Exp Biol Med (Maywood) 2014; 240:618-23. [PMID: 25361771 DOI: 10.1177/1535370214557220] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2014] [Accepted: 09/15/2014] [Indexed: 12/20/2022] Open
Abstract
Alopecia areata (AA) is an autoimmune hair loss disease caused by a cell-mediated immune attack of the lower portion of the cycling hair follicle. Feeding mice 3-7 times the recommended level of dietary vitamin A accelerated the progression of AA in the graft-induced C3H/HeJ mouse model of AA. In this study, we also found that dietary vitamin A, in a dose dependent manner, activated the hair follicle stem cells (SCs) to induce the development and growth phase of the hair cycle (anagen), which may have made the hair follicle more susceptible to autoimmune attack. Our purpose here is to determine the mechanism by which dietary vitamin A regulates the hair cycle. We found that vitamin A in a dose-dependent manner increased nuclear localized beta-catenin (CTNNB1; a marker of canonical wingless-type Mouse Mammary Tumor Virus integration site family (WNT) signaling) and levels of WNT7A within the hair follicle bulge in these C3H/HeJ mice. These findings suggest that feeding mice high levels of dietary vitamin A increases WNT signaling to activate hair follicle SCs.
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Affiliation(s)
- Liye Suo
- The Ohio State University, Columbus, OH, 43210, USA
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Alli N, Yorulmaz A. An unusual side effect of isotretinoin: retinoid dermatitis affecting external urethral meatus. Cutan Ocul Toxicol 2014; 34:176-7. [DOI: 10.3109/15569527.2014.918140] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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