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Malvehy J, Stratigos AJ, Bagot M, Stockfleth E, Ezzedine K, Delarue A. Actinic keratosis: Current challenges and unanswered questions. J Eur Acad Dermatol Venereol 2024; 38 Suppl 5:3-11. [PMID: 38923589 DOI: 10.1111/jdv.19559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 09/29/2023] [Indexed: 06/28/2024]
Abstract
Actinic keratoses (AK) are common skin lesions associated with chronic exposure to sun. They are believed to be precursors of malignancy as they potentially may progress to invasive squamous cell carcinomas. The goal of current therapies is to reduce the number of AK and to prevent future cancer development. This review aims at providing an overview of the hallmarks of AK and skin field cancerization. We discuss epidemiology trends, risk factors and the state of the art and evidence of the current treatments. We review key figures of AK prevalence from different countries with regard to skin cancer risk and the associated economic burden of AK. We discuss the mutational status in AK lesions and the difficulties encountered by clinicians in evaluating AK visible and invisible lesions, referring to the concept of field cancerization. Based on a systematic literature review, we further evaluate the available treatment options. The presence of subclinical skin alterations in the periphery of visible AK lesions has gained a particular attention as those non-visible lesions are known to contain the same genetic changes as those found in the AK lesions themselves, prompting the concept of 'field cancerization'. Therefore, AK treatment guidelines now recognize the importance of treating the field in patients with AK. A recent systematic literature review and network meta-analysis showed that 5-FU interventions were associated with the best efficacy and a satisfactory acceptability profile compared with other field-directed therapies used in the treatment of AK. Although AK are considered quite common, they lack an accurate descriptive definition and conclusive epidemiologic data. Limited public awareness is a barrier to early and effective treatment, including prevention strategies. While different treatment options are available, there is still a limited understanding of long-term outcomes of treatment as measured by recurrence of cancer prevention.
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Affiliation(s)
- Josep Malvehy
- Hospital Clinic de Barcelona, IDIBAPS, and Spain & Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, Universitat de Barcelona, Barcelona, Spain
| | | | - Martine Bagot
- Department of Dermatology, Saint-Louis Hospital, Assistance Publique-Hôpitaux de Paris, and Human Immunology, Pathophysiology and Immunotherapy, Institut National de la Santé et de la Recherche Médicale U976, Université de Paris, Paris, France
| | - Eggert Stockfleth
- Department of Dermatology, Ruhr University of Bochum, Bochum, Germany
| | - Khaled Ezzedine
- Department of Dermatology, Hôpital Henri Mondor, EA EpiDermE, UPEC-Université Paris-Est Créteil, Créteil, France
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2
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Kandolf L, Peris K, Malvehy J, Mosterd K, Heppt MV, Fargnoli MC, Berking C, Arenberger P, Bylaite-Bučinskiene M, Del Marmol V, Dirschka T, Dreno B, Forsea AM, Harwood CA, Hauschild A, Heerfordt IM, Kauffman R, Kelleners-Smeets N, Lallas A, Lebbe C, Leiter U, Longo C, Mijušković Ž, Pellacani G, Puig S, Saiag P, Šitum M, Stockfleth E, Salavastru C, Stratigos A, Zalaudek I, Garbe C. European consensus-based interdisciplinary guideline for diagnosis, treatment and prevention of actinic keratoses, epithelial UV-induced dysplasia and field cancerization on behalf of European Association of Dermato-Oncology, European Dermatology Forum, European Academy of Dermatology and Venereology and Union of Medical Specialists (Union Européenne des Médecins Spécialistes). J Eur Acad Dermatol Venereol 2024; 38:1024-1047. [PMID: 38451047 DOI: 10.1111/jdv.19897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 01/23/2024] [Indexed: 03/08/2024]
Abstract
A collaboration of multidisciplinary experts from the European Association of Dermato-Oncology, the European Dermatology Forum, the European Academy of Dermatology and Venereology, and the European Union of Medical Specialists was formed to develop European recommendations on AK diagnosis and treatment, based on current literature and expert consensus. This guideline addresses the epidemiology, diagnostics, risk stratification and treatments in immunocompetent as well as immunosuppressed patients. Actinic keratoses (AK) are potential precursors of cutaneous squamous cell carcinoma (cSCC) and display typical histopathologic and immunohistochemical features of this malignancy in an early stage. They can develop into cSSC in situ and become invasive in a low percentage of cases. AK is the most frequent neoplasia in white populations, frequently occurring within a cancerous field induced by ultraviolet radiation. Since it cannot be predicted, which lesion will progress to cSCC and when treatment is usually recommended. The diagnosis of AK and field cancerization is made by clinical examination. Dermatoscopy, confocal microscopy, optical coherence tomography or line-field confocal-OCT can help in the differential diagnosis of AK and other skin neoplasms. A biopsy is indicated in clinically and/or dermatoscopically suspicious and/or treatment-refractory lesions. The choice of treatment depends on patients' and lesion characteristics. For single non-hyperkeratotic lesions, the treatment can be started upon patient's request with destructive treatments or topical treatments. For multiple lesions, field cancerization treatment is advised with topical treatments and photodynamic therapy. Preventive measures such as sun protection, self-examination and repeated field cancerization treatments of previously affected skin areas in high-risk patients are advised.
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Affiliation(s)
- Lidija Kandolf
- Department of Dermatology, Faculty of Medicine, University of Defence, Military Medical Academy, Belgrade, Serbia
| | - Ketty Peris
- UOC di Dermatologia, Dipartimento di Scienze Mediche e Chirurgiche Addominali ed Endrocrino Metaboliche, Fondazione Policlinico Universitario A. Gemelli - IRCCS, Rome, Italy
- Dermatologia, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Josep Malvehy
- Dermatology Department of Hospital Clinic of Barcelona, IDIBAPS, CIBER de Enfermedades Raras, Instituto Carlos III, University of Barcelona, Barcelona, Spain
| | - Klara Mosterd
- Department of Dermatology, Maastricht University Medical Centre+ Comprehensive Cancer Centre, Maastricht, The Netherlands
- GROW-School for Oncology and Reproduction, Maastricht University, Maastricht, The Netherlands
| | - Markus V Heppt
- Department of Dermatology, Uniklinikum Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-European Metropolitan Area of Nuremberg (CC ER-EMN), Erlangen, Germany
| | - Maria Concetta Fargnoli
- Dermatology, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - Carola Berking
- Department of Dermatology, Uniklinikum Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-European Metropolitan Area of Nuremberg (CC ER-EMN), Erlangen, Germany
| | - Petr Arenberger
- Department of Dermatovenereology, Third Faculty of Medicine, Charles University and University Hospital of Kralovske Vinohrady, Prague, Czech Republic
| | - Matilda Bylaite-Bučinskiene
- Clinic of Infectious Diseases and Dermatovenereology, Centre of Dermatovenereology, Vilnius University, Vilnius, Lithuania
| | - Veronique Del Marmol
- Department of Dermatology, University Hospital Erasme, Université Libre de Bruxelles, Brussels, Belgium
| | - Thomas Dirschka
- Faculty of Health, University Witten-Herdecke, Witten, Germany
- CentroDerm Clinic, Wuppertal, Germany
| | - Brigitte Dreno
- Nantes Université, INSERM, CNRS, Immunology and New Concepts in ImmunoTherapy, INCIT, UMR 1302/EMR6001, Nantes, France
| | - Ana-Maria Forsea
- Department of Oncologic Dermatology, Elias University Hospital Bucharest, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Catherine A Harwood
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Axel Hauschild
- Department of Dermatology, University Hospital (UKSH), Kiel, Germany
| | - Ida Marie Heerfordt
- Department of Dermatology, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark
| | - Roland Kauffman
- Department of Dermatology, Venereology and Allergology, Frankfurt University Hospital, Frankfurt, Germany
| | - Nicole Kelleners-Smeets
- Department of Dermatology, Maastricht University Medical Centre+ Comprehensive Cancer Centre, Maastricht, The Netherlands
- GROW-School for Oncology and Reproduction, Maastricht University, Maastricht, The Netherlands
| | - Aimilios Lallas
- First Department of Dermatology, Aristotle University, Thessaloniki, Greece
| | - Celeste Lebbe
- Université Paris Cite, AP-HP Dermato-oncology, Cancer institute APHP, Nord Paris cité, INSERM U976, Saint Louis Hospital, Paris, France
| | - Ulrike Leiter
- Centre for Dermatooncology, Department of Dermatology, Eberhard Karls University, Tuebingen, Germany
| | - Caterina Longo
- Skin Cancer Center, Azienda Unità Sanitaria Locale - IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Željko Mijušković
- Department of Dermatology, Faculty of Medicine, University of Defence, Military Medical Academy, Belgrade, Serbia
| | - Giovanni Pellacani
- Department of Dermatology, University of Modena and Reggio Emilia, Modena, Italy
| | - Susana Puig
- Dermatology Department of Hospital Clinic of Barcelona, IDIBAPS, CIBER de Enfermedades Raras, Instituto Carlos III, University of Barcelona, Barcelona, Spain
| | - Philippe Saiag
- Department of General and Oncologic Dermatology, Ambroise Paré Hospital, APHP, & EA 4340 "Biomarkers in Cancerology and Hemato-Oncology", UVSQ, Université Paris-Saclay, Boulogne-Billancourt, France
| | - Mirna Šitum
- Department of Dermatology and Venereology, Sestre Milosrdnice University Hospital Center, Zagreb, Croatia
| | - Eggert Stockfleth
- Skin Cancer Center, Department of Dermatology, Ruhr-University Bochum, Bochum, Germany
| | - Carmen Salavastru
- Department of Pediatric Dermatology, Colentina Clinical Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Alexander Stratigos
- 1st Department of Dermatology-Venereology, National and Kapodistrian University of Athens, Andreas Sygros Hospital, Athens, Greece
| | - Iris Zalaudek
- Dermatology Clinic, Maggiore Hospital, Department of Medical Sciences, University of Trieste, Trieste, Italy
| | - Claus Garbe
- Centre for Dermatooncology, Department of Dermatology, Eberhard Karls University, Tuebingen, Germany
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Wiegell SR, Fredman G, Andersen F, Bjerring P, Paasch U, Hædersdal M. Pre-treatment with topical 5-fluorouracil increases the efficacy of daylight photodynamic therapy for actinic keratoses - A randomized controlled trial. Photodiagnosis Photodyn Ther 2024; 46:104069. [PMID: 38555038 DOI: 10.1016/j.pdpdt.2024.104069] [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: 02/08/2024] [Revised: 03/12/2024] [Accepted: 03/27/2024] [Indexed: 04/02/2024]
Abstract
BACKGROUND Daylight photodynamic therapy (dPDT) and topical 5-fluorouracil (5-FU) are each effective treatments for thin grade I actinic keratosis (AKs), but less so for thicker grade II-III AKs. Prolonged topical treatment regimens can be associated with severe skin reactions and low compliance. This study compares the efficacy of sequential 4 % 5-FU and dPDT with dPDT monotherapy for multiple actinic keratoses. METHODS Sixty patients with a total of 1547 AKs (grade I: 1278; grade II: 246; grade III: 23) were treated in two symmetrical areas (mean size 75 cm2) of the face or scalp, which were randomized to (i) 4% 5-FU creme twice daily for 7 days before a single dPDT procedure and (ii) dPDT monotherapy. Daylight exposure was either outdoor or indoor daylight. RESULTS Twelve weeks after treatment 87 % of all AKs cleared after 5-FU+dPDT compared to 74 % after dPDT alone (p<0.0001). For grade II AKs, the lesion response rate increased from 55 % with dPDT monotherapy to 79 % after 5-FU+dPDT (p<0.0056). Moderate/severe erythema was seen in 88 % 5-FU+dPDT areas compared to 41 % of dPDT areas two days after dPDT. Twelve weeks after treatment 75 % of the patients were very satisfied with both treatments. CONCLUSIONS Sequential 5-FU and dPDT was more effective than dPDT monotherapy in the treatment of AKs, especially for grade II AKs. Local skin reactions were more pronounced after combination treatment, but no patients discontinued the treatment. The combination of 5-FU and dPDT is an effective treatment of large treatment areas with high compliance and satisfaction.
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Affiliation(s)
- Stine Regin Wiegell
- Department of Dermatology, Copenhagen University Hospital Bispebjerg, Nielsine Nielsens Vej 9, Copenhagen, NV 2400, Denmark; Department of Clinical Medicine, Faculty of Health and Medical Science, University of Copenhagen, Blegdamsvej 3B, Copenhagen, NV 2200, Denmark; Department of Dermatology, Aalborg University Hospital, Aalborg, Denmark.
| | - Gabriella Fredman
- Department of Dermatology, Copenhagen University Hospital Bispebjerg, Nielsine Nielsens Vej 9, Copenhagen, NV 2400, Denmark; Department of Clinical Medicine, Faculty of Health and Medical Science, University of Copenhagen, Blegdamsvej 3B, Copenhagen, NV 2200, Denmark
| | | | - Peter Bjerring
- Department of Dermatology, Aalborg University Hospital, Aalborg, Denmark
| | - Uwe Paasch
- Department of Dermatology, Venereology and Allergy, University of Leipzig, Leipzig, Germany
| | - Merete Hædersdal
- Department of Dermatology, Copenhagen University Hospital Bispebjerg, Nielsine Nielsens Vej 9, Copenhagen, NV 2400, Denmark; Department of Clinical Medicine, Faculty of Health and Medical Science, University of Copenhagen, Blegdamsvej 3B, Copenhagen, NV 2200, Denmark
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4
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Luo M, Zheng Y, Zhuo Q, Lin L, Han Y. The causal effects of atopic dermatitis on the risk of skin cancers: A two-sample Mendelian randomization study. J Eur Acad Dermatol Venereol 2024; 38:703-709. [PMID: 38009387 DOI: 10.1111/jdv.19674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 10/20/2023] [Indexed: 11/28/2023]
Abstract
BACKGROUND Observational and epidemiological studies show conflicting results on the relationship between atopic dermatitis and skin cancer. Additionally, observational studies are susceptible to the reverse causation and confounders, thus, may not interpret true causal relationships. The causal effects of atopic dermatitis on the risk of skin cancers remains unclear. OBJECTIVES To investigate the causal relationship between atopic dermatitis and skin cancer including cutaneous malignant melanoma, cutaneous squamous cell carcinoma, basal cell carcinoma and actinic keratosis. METHODS We performed a two-sample Mendelian randomization analysis based on summary datasets of public genome-wide association studies of European ancestry. The inverse variance-weighted approach was applied as the main analysis. MR-Egger and weighted median methods were used to complement the inverse variance-weighted results. A series of sensitivity analyses were used to ensure the robustness of the causality estimates. RESULTS Inverse variance-weighted method showed that genetically predicted dermatitis patients were significantly associated with an increased incidence of basal cell carcinoma (OR, 1.20; 95% CI, 1.10-1.31; p = 4.07E-05) and cutaneous squamous cell carcinoma (OR, 1.14; 95% CI, 1.10-1.19; p = 1.05E-11). However, we did not find a significant causality for atopic dermatitis on melanoma neither did we find actinic keratosis. Subsequent sensitive analyses supported these results. CONCLUSIONS Our study identified the causality between atopic dermatitis basal cell carcinoma and squamous cell carcinoma. Accordingly, regular skin cancer screening is recommended for patients with atopic dermatitis.
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Affiliation(s)
- Min Luo
- Department of Dermatology, The Union Hospital, Fujian Medical University, Fuzhou, China
| | - Yaxuan Zheng
- Department of Dermatology, The Union Hospital, Fujian Medical University, Fuzhou, China
| | - Qianwei Zhuo
- Department of Dermatology, The Union Hospital, Fujian Medical University, Fuzhou, China
| | - Lihang Lin
- Department of Dermatology, The Union Hospital, Fujian Medical University, Fuzhou, China
| | - Yue Han
- Department of Dermatology, The Union Hospital, Fujian Medical University, Fuzhou, China
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5
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Wang Z, Wang X, Shi Y, Wu S, Ding Y, Yao G, Chen J. Advancements in elucidating the pathogenesis of actinic keratosis: present state and future prospects. Front Med (Lausanne) 2024; 11:1330491. [PMID: 38566927 PMCID: PMC10985158 DOI: 10.3389/fmed.2024.1330491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 02/19/2024] [Indexed: 04/04/2024] Open
Abstract
Solar keratosis, also known as actinic keratosis (AK), is becoming increasingly prevalent. It is a benign tumor that develops in the epidermis. Individuals with AK typically exhibit irregular, red, scaly bumps or patches as a result of prolonged exposure to UV rays. These growths primarily appear on sun-exposed areas of the skin such as the face, scalp, and hands. Presently, dermatologists are actively studying AK due to its rising incidence rate in the United States. However, the underlying causes of AK remain poorly understood. Previous research has indicated that the onset of AK involves various mechanisms including UV ray-induced inflammation, oxidative stress, complex mutagenesis, resulting immunosuppression, inhibited apoptosis, dysregulated cell cycle, altered cell proliferation, tissue remodeling, and human papillomavirus (HPV) infection. AK can develop in three ways: spontaneous regression, persistence, or progression into invasive cutaneous squamous cell carcinoma (cSCC). Multiple risk factors and diverse signaling pathways collectively contribute to its complex pathogenesis. To mitigate the risk of cancerous changes associated with long-term UV radiation exposure, prompt identification, management, and prevention of AK are crucial. The objective of this review is to elucidate the primary mechanisms underlying AK malignancy and identify potential treatment targets for dermatologists in clinical settings.
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Affiliation(s)
- Zhongzhi Wang
- Department of Dermatology, Shanghai Fourth People’s Hospital, Tongji University, Shanghai, China
| | - Xiaolie Wang
- Department of Dermatology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Yuanyang Shi
- Department of Dermatology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Siyu Wu
- Department of Dermatology, Shanghai Fourth People’s Hospital, Tongji University, Shanghai, China
| | - Yu Ding
- Department of Dermatology, Shanghai Fourth People’s Hospital, Tongji University, Shanghai, China
| | - Guotai Yao
- Department of Dermatology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Jianghan Chen
- Department of Dermatology, Shanghai Fourth People’s Hospital, Tongji University, Shanghai, China
- Department of Dermatology, Naval Medical Center, Naval Medical University, Shanghai, China
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6
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George CD, Lee T, Hollestein LM, Asgari MM, Nijsten T. Global epidemiology of actinic keratosis in the general population: a systematic review and meta-analysis. Br J Dermatol 2024; 190:465-476. [PMID: 37890083 DOI: 10.1093/bjd/ljad371] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 09/11/2023] [Accepted: 09/21/2023] [Indexed: 10/29/2023]
Abstract
BACKGROUND Actinic keratosis (AK) is a common dermatological condition, and among the most common dermatological diagnoses in older populations. Although the prevalence of AK depends on demographic and environmental factors, little is known about the global context of AK. OBJECTIVES To provide a comprehensive and updated analysis of the global prevalence rate and incidence of AK in the general population through a systematic review and meta-analysis, and - through subgroup analyses - to identify high-risk phenotypes, demographic and lifestyle risk factors and regional variations in disease prevalence. METHODS A systematic search of Embase, MEDLINE, Web of Science and Google Scholar was performed on 20 May 2022. Two reviewers independently screened and assessed the quality of each study using a validated critical appraisal checklist. Epidemiological measurements (e.g. prevalence) from individual studies performed in the general population were then pooled in a random-effects meta-analysis. Subgroup analyses (i.e. population age, geographical region, occupation, sex and study quality) were conducted. RESULTS Of the 65 articles that made it through the full-text screening, 60 reported a point prevalence. A meta-analysis of these articles yielded an overall point prevalence of 14% [95% confidence interval (CI) 14-15]. In further analyses, the calculated prevalence rate varied depending on subgroup. The pooled incidence rate from the seven eligible studies analysed was 1928 per 100 000 person-years (PY; 95% CI -439 to 4294). CONCLUSIONS This comprehensive meta-analysis provides an updated global prevalence rate of AK of 14%, indicating a significant worldwide disease burden. The incidence rate of AK was found to be 1928 per 100 000 PY, emphasizing a growing public health concern. However, high heterogeneity among studies suggests that various factors influence the AK prevalence rate, necessitating further research to understand the observed differences.
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Affiliation(s)
- Christopher D George
- Erasmus MC Cancer Institute, University Medical Center Rotterdam, Department of Dermatology, Rotterdam, the Netherlands
| | - Truelian Lee
- Harvard Medical School, Department of Dermatology, Boston, MA, USA
| | - Loes M Hollestein
- Erasmus MC Cancer Institute, University Medical Center Rotterdam, Department of Dermatology, Rotterdam, the Netherlands
| | - Maryam M Asgari
- University of Colorado Anschutz Medical Campus, Department of Dermatology, Aurora, CO, USA
| | - Tamar Nijsten
- Erasmus MC Cancer Institute, University Medical Center Rotterdam, Department of Dermatology, Rotterdam, the Netherlands
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7
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Naldi L, Cassalia F. Actinic keratosis epidemiology: the good, the bad and the ugly. Br J Dermatol 2024; 190:457-458. [PMID: 37877439 DOI: 10.1093/bjd/ljad395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 10/24/2023] [Indexed: 10/26/2023]
Affiliation(s)
- Luigi Naldi
- Department of Dermatology, Ospedale San Bortolo, Vicenza, Italy
- Centro Studi GISED, Bergamo, Italy
| | - Fortunato Cassalia
- Centro Studi GISED, Bergamo, Italy
- Department of Dermatology, University of Padua, Padova, Italy
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8
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Che Z, Wan X, Xu J, Duan C, Zheng T, Chen J. Speaking without vocal folds using a machine-learning-assisted wearable sensing-actuation system. Nat Commun 2024; 15:1873. [PMID: 38472193 PMCID: PMC10933441 DOI: 10.1038/s41467-024-45915-7] [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: 08/12/2023] [Accepted: 02/06/2024] [Indexed: 03/14/2024] Open
Abstract
Voice disorders resulting from various pathological vocal fold conditions or postoperative recovery of laryngeal cancer surgeries, are common causes of dysphonia. Here, we present a self-powered wearable sensing-actuation system based on soft magnetoelasticity that enables assisted speaking without relying on the vocal folds. It holds a lightweighted mass of approximately 7.2 g, skin-alike modulus of 7.83 × 105 Pa, stability against skin perspiration, and a maximum stretchability of 164%. The wearable sensing component can effectively capture extrinsic laryngeal muscle movement and convert them into high-fidelity and analyzable electrical signals, which can be translated into speech signals with the assistance of machine learning algorithms with an accuracy of 94.68%. Then, with the wearable actuation component, the speech could be expressed as voice signals while circumventing vocal fold vibration. We expect this approach could facilitate the restoration of normal voice function and significantly enhance the quality of life for patients with dysfunctional vocal folds.
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Affiliation(s)
- Ziyuan Che
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Xiao Wan
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Jing Xu
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Chrystal Duan
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Tianqi Zheng
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Jun Chen
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
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9
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Zhong X, Deng Y, Yang H, Du X, Liu P, Du Y. Role of autophagy in skin photoaging: A narrative review. Medicine (Baltimore) 2024; 103:e37178. [PMID: 38394552 DOI: 10.1097/md.0000000000037178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/25/2024] Open
Abstract
As the largest organ of the human body, the skin serves as the primary barrier against external damage. The continuous increase in human activities and environmental pollution has resulted in the ongoing depletion of the ozone layer. Excessive exposure to ultraviolet (UV) radiation enhances the impact of external factors on the skin, leading to photoaging. Photoaging causes physical and psychological damage to the human body. The prevention and management of photoaging have attracted increased attention in recent years. Despite significant progress in understanding and mitigating UV-induced photoaging, the precise mechanisms through which autophagy contributes to the prevention of photoaging remain unclear. Given the important role of autophagy in repairing UV-induced DNA damage and scavenging oxidized lipids, autophagy is considered a novel strategy for preventing the occurrence of photoaging and other UV light-induced skin diseases. This review aims to elucidate the biochemical and clinical features of photoaging, the relationship of skin photoaging and chronological aging, the mechanisms underlying skin photoaging and autophagy, and the role of autophagy in skin photoaging.
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Affiliation(s)
- Xiaojiao Zhong
- Medical Cosmetic Center, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
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10
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Kowalski S, Karska J, Tota M, Skinderowicz K, Kulbacka J, Drąg-Zalesińska M. Natural Compounds in Non-Melanoma Skin Cancer: Prevention and Treatment. Molecules 2024; 29:728. [PMID: 38338469 PMCID: PMC10856721 DOI: 10.3390/molecules29030728] [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: 12/14/2023] [Revised: 01/27/2024] [Accepted: 02/01/2024] [Indexed: 02/12/2024] Open
Abstract
The elevated occurrence of non-melanoma skin cancer (NMSC) and the adverse effects associated with available treatments adversely impact the quality of life in multiple dimensions. In connection with this, there is a necessity for alternative approaches characterized by increased tolerance and lower side effects. Natural compounds could be employed due to their safety profile and effectiveness for inflammatory and neoplastic skin diseases. These anti-cancer drugs are often derived from natural sources such as marine, zoonotic, and botanical origins. Natural compounds should exhibit anti-carcinogenic actions through various pathways, influencing apoptosis potentiation, cell proliferation inhibition, and metastasis suppression. This review provides an overview of natural compounds used in cancer chemotherapies, chemoprevention, and promotion of skin regeneration, including polyphenolic compounds, flavonoids, vitamins, alkaloids, terpenoids, isothiocyanates, cannabinoids, carotenoids, and ceramides.
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Affiliation(s)
- Szymon Kowalski
- Faculty of Medicine, Wroclaw Medical University, Pasteura 1, 50-367 Wroclaw, Poland; (S.K.); (M.T.); (K.S.)
| | - Julia Karska
- Department of Psychiatry, Wroclaw Medical University, Pasteura 10, 50-367 Wroclaw, Poland;
| | - Maciej Tota
- Faculty of Medicine, Wroclaw Medical University, Pasteura 1, 50-367 Wroclaw, Poland; (S.K.); (M.T.); (K.S.)
| | - Katarzyna Skinderowicz
- Faculty of Medicine, Wroclaw Medical University, Pasteura 1, 50-367 Wroclaw, Poland; (S.K.); (M.T.); (K.S.)
| | - Julita Kulbacka
- Department of Molecular and Cellular Biology, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland
- Department of Immunology and Bioelectrochemistry, State Research Institute Centre for Innovative Medicine, Santariškių 5, 08410 Vilnius, Lithuania
| | - Małgorzata Drąg-Zalesińska
- Department of Human Morphology and Embryology, Division of Histology and Embryology, Faculty of Medicine, Wroclaw Medical University, T. Chalubińskiego 6a, 50-368 Wroclaw, Poland;
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11
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Zha W, Huang J, Lyu T, Miao F, Wu M, Shen J, Zhu R, Wang H, Shi L. Full-face ALA-PDT for facial actinic keratosis: Two case reports. Photodiagnosis Photodyn Ther 2024; 45:103927. [PMID: 38097119 DOI: 10.1016/j.pdpdt.2023.103927] [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: 10/01/2023] [Revised: 12/05/2023] [Accepted: 12/06/2023] [Indexed: 12/29/2023]
Abstract
We reported two cases of full-face 5-aminolevulinic acid-photodynamic therapy (ALA-PDT) for facial multiple actinic keratosis (AK). After the full-face ALA-PDT, we observed that the AK lesions on the faces of the patients were completely cleared and facial rejuvenation was achieved. In our follow-up, one patient was free of recurrence for over 13 months and the other one for over 28 months. The experience of these two cases may indicate that full-face ALA-PDT has an excellent therapeutic effect while potentially preventing the recurrence of AK.
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Affiliation(s)
- Wenjing Zha
- Department of Dermatology, Huadong Hospital Affiliated to Fudan University, Shanghai 200040, PR China
| | - Jianhua Huang
- Department of Dermatology, Huadong Hospital Affiliated to Fudan University, Shanghai 200040, PR China
| | - Ting Lyu
- Department of Dermatology, Huadong Hospital Affiliated to Fudan University, Shanghai 200040, PR China
| | - Fei Miao
- Department of Dermatology, Huadong Hospital Affiliated to Fudan University, Shanghai 200040, PR China
| | - Minfeng Wu
- Department of Dermatology, Huadong Hospital Affiliated to Fudan University, Shanghai 200040, PR China
| | - Jie Shen
- Department of Dermatology, Huadong Hospital Affiliated to Fudan University, Shanghai 200040, PR China
| | - Rongyi Zhu
- Department of Dermatology, Huadong Hospital Affiliated to Fudan University, Shanghai 200040, PR China
| | - Hongwei Wang
- Department of Dermatology, Huadong Hospital Affiliated to Fudan University, Shanghai 200040, PR China
| | - Lei Shi
- Department of Dermatology, Huadong Hospital Affiliated to Fudan University, Shanghai 200040, PR China.
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12
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Kim S, Day CM, Song Y, Holmes A, Garg S. Innovative Topical Patches for Non-Melanoma Skin Cancer: Current Challenges and Key Formulation Considerations. Pharmaceutics 2023; 15:2577. [PMID: 38004557 PMCID: PMC10674480 DOI: 10.3390/pharmaceutics15112577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 10/31/2023] [Accepted: 11/01/2023] [Indexed: 11/26/2023] Open
Abstract
Non-melanoma skin cancer (NMSC) is the most prevalent malignancy worldwide, with approximately 6.3 million new cases worldwide in 2019. One of the key management strategies for NMSC is a topical treatment usually utilised for localised and early-stage disease owing to its non-invasive nature. However, the efficacy of topical agents is often hindered by poor drug penetration and patient adherence. Therefore, various research groups have employed advanced drug delivery systems, including topical patches to overcome the problem of conventional topical treatments. This review begins with an overview of NMSC as well as the current landscape of topical treatments for NMSC, specifically focusing on the emerging technology of topical patches. A detailed discussion of their potential to overcome the limitations of existing therapies will then follow. Most importantly, to the best of our knowledge, this work unprecedentedly combines and discusses all the current advancements in innovative topical patches for the treatment of NMSC. In addition to this, the authors present our insights into the key considerations and emerging trends in the construction of these advanced topical patches. This review is meant for researchers and clinicians to consider utilising advanced topical patch systems in research and clinical trials toward localised interventions of NMSC.
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Affiliation(s)
| | | | | | | | - Sanjay Garg
- Centre for Pharmaceutical Innovation, Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia; (S.K.); (C.M.D.); (Y.S.); (A.H.)
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13
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George CD, Tokez S, Hollestein L, Pardo LM, Keurentjes AJ, Wakkee M, Nijsten T. Longitudinal Assessment of the Prevalence of Actinic Keratosis and Extensive Risk Factor Evaluation: An Update from the Rotterdam Study. J Invest Dermatol 2023; 143:2193-2203.e12. [PMID: 37169068 DOI: 10.1016/j.jid.2023.02.042] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 02/20/2023] [Accepted: 02/22/2023] [Indexed: 05/13/2023]
Abstract
Population-based studies available to analyze the prevalence, risk factors, and longitudinal outlook of actinic keratoses (AKs) are limited. These features mentioned earlier were assessed using Rotterdam study participants aged ≥40 years who underwent a full-body skin examination by a dermatology-trained physician. ORs with 95% confidence intervals were calculated for the associations between risk factors and the presence of AK. Among 8,239 eligible participants, the prevalence of one or more AKs was 21.1% (95% confidence interval = 20.2-22.0) and was higher in men. Male sex, age, lighter hair and eye color, baldness, genetic risk score, and digital photoaging measures (digitally assessed pigmented spots, telangiectasias, and global facial wrinkling) had a positive association with AK. Cigarette smokers had reduced odds of having AK, with current smokers having the lowest risk. Among patients with two AK assessments, there was no difference in the presence of AK during follow-up between treated and untreated participants. In conclusion, genetic risk score and digital photoaging measures showed associations with increased lesion count. At the individual level, patients were most likely to decrease in AK severity group over time, possibly regardless of whether or not participants were treated.
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Affiliation(s)
- Christopher D George
- Departmentof Dermatology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, The Netherlands; Department of Dermatology, SUNY Downstate Health Sciences University, Brooklyn, New York, USA
| | - Selin Tokez
- Departmentof Dermatology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Loes Hollestein
- Departmentof Dermatology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Luba M Pardo
- Departmentof Dermatology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Anne J Keurentjes
- Department of Public and Occupational Health, Amsterdam UMC, Amsterdam, The Netherlands
| | - Marlies Wakkee
- Departmentof Dermatology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Tamar Nijsten
- Departmentof Dermatology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, The Netherlands.
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14
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Bullock TA, Mack JA, Negrey J, Kaw U, Hu B, Anand S, Hasan T, Warren CB, Maytin EV. Significant Association of Poly-A and Fok1 Polymorphic Alleles of the Vitamin D Receptor with Vitamin D Serum Levels and Incidence of Squamous Cutaneous Neoplasia. J Invest Dermatol 2023; 143:1538-1547. [PMID: 36813159 PMCID: PMC10439970 DOI: 10.1016/j.jid.2023.01.028] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/22/2023] [Accepted: 01/30/2023] [Indexed: 02/22/2023]
Abstract
Vitamin D3, a prohormone, is converted to circulating calcidiol and then to calcitriol, the hormone that binds to the vitamin D receptor (VDR) (a nuclear transcription factor). Polymorphic genetic sequence variants of the VDR are associated with an increased risk of breast cancer and melanoma. However, the relationship between VDR allelic variants and the risk of squamous cell carcinoma and actinic keratosis remains unclear. We examined the associations between two VDR polymorphic sites, Fok1 and Poly-A, and serum calcidiol levels, actinic keratosis lesion incidence, and the history of cutaneous squamous cell carcinoma in 137 serially enrolled patients. By evaluating the Fok1 (F) and (f) alleles and the Poly-A long (L) and short (S) alleles together, a strong association between genotypes FFSS or FfSS and high calcidiol serum levels (50.0 ng/ml) was found; conversely, ffLL patients showed very low calcidiol levels (29.1 ng/ml). Interestingly, the FFSS and FfSS genotypes were also associated with reduced actinic keratosis incidence. For Poly-A, additive modeling showed that Poly-A (L) is a risk allele for squamous cell carcinoma, with an OR of 1.55 per copy of the L allele. We conclude that actinic keratosis and squamous cell carcinoma should be added to the list of squamous neoplasias that are differentially regulated by the VDR Poly-A allele.
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Affiliation(s)
- Taylor A Bullock
- Department of Dermatology, Dermatology and Plastic Surgery Institute, Cleveland Clinic, Cleveland, Ohio
| | - Judith A Mack
- Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
| | - Jeffrey Negrey
- Clinical Research Unit, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
| | - Urvashi Kaw
- Department of Dermatology, Dermatology and Plastic Surgery Institute, Cleveland Clinic, Cleveland, Ohio
| | - Bo Hu
- Department of Quantitative Health Sciences, Cleveland Clinic, Cleveland, Ohio
| | - Sanjay Anand
- Department of Dermatology, Dermatology and Plastic Surgery Institute, Cleveland Clinic, Cleveland, Ohio; Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio; Lerner College of Medicine of Case Western Reserve University, Cleveland Clinic, Cleveland, Ohio
| | - Tayyaba Hasan
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, Massachusetts
| | - Christine B Warren
- Department of Dermatology, Dermatology and Plastic Surgery Institute, Cleveland Clinic, Cleveland, Ohio; Lerner College of Medicine of Case Western Reserve University, Cleveland Clinic, Cleveland, Ohio
| | - Edward V Maytin
- Department of Dermatology, Dermatology and Plastic Surgery Institute, Cleveland Clinic, Cleveland, Ohio; Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio; Lerner College of Medicine of Case Western Reserve University, Cleveland Clinic, Cleveland, Ohio; Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, Massachusetts.
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15
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Li S, Li C, Liu Q, Pei Y, Wang L, Shen Z. An Actinic Keratosis Auxiliary Diagnosis Method Based on an Enhanced MobileNet Model. Bioengineering (Basel) 2023; 10:732. [PMID: 37370662 DOI: 10.3390/bioengineering10060732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 06/05/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Actinic keratosis (AK) is a common precancerous skin lesion with significant harm, and it is often confused with non-actinic keratoses (NAK). At present, the diagnosis of AK mainly depends on clinical experience and histopathology. Due to the high difficulty of diagnosis and easy confusion with other diseases, this article aims to develop a convolutional neural network that can efficiently, accurately, and automatically diagnose AK. This article improves the MobileNet model and uses the AK and NAK images in the HAM10000 dataset for training and testing after data preprocessing, and we performed external independent testing using a separate dataset to validate our preprocessing approach and to demonstrate the performance and generalization capability of our model. It further compares common deep learning models in the field of skin diseases (including the original MobileNet, ResNet, GoogleNet, EfficientNet, and Xception). The results show that the improved MobileNet has achieved 0.9265 in accuracy and 0.97 in Area Under the ROC Curve (AUC), which is the best among the comparison models. At the same time, it has the shortest training time, and the total time of five-fold cross-validation on local devices only takes 821.7 s. Local experiments show that the method proposed in this article has high accuracy and stability in diagnosing AK. Our method will help doctors diagnose AK more efficiently and accurately, allowing patients to receive timely diagnosis and treatment.
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Affiliation(s)
- Shiyang Li
- School of Information Science and Engineering, Yunnan University, Kunming 650091, China
| | - Chengquan Li
- School of Clinical Medicine, Tsinghua University, Beijing 100084, China
| | - Qicai Liu
- Center for Reproductive Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou 350004, China
- Vanke School of Public Health, Tsinghua University, Beijing 100084, China
| | - Yilin Pei
- School of Clinical Medicine, Tsinghua University, Beijing 100084, China
| | - Liyang Wang
- School of Clinical Medicine, Tsinghua University, Beijing 100084, China
| | - Zhu Shen
- Department of Dermatology, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou 510080, China
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16
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Chiantore MV, Iuliano M, Mongiovì RM, Luzi F, Mangino G, Grimaldi L, Accardi L, Fiorucci G, Romeo G, Di Bonito P. MicroRNAs Differentially Expressed in Actinic Keratosis and Healthy Skin Scrapings. Biomedicines 2023; 11:1719. [PMID: 37371814 DOI: 10.3390/biomedicines11061719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/07/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Actinic keratosis (AK) is a carcinoma in situ precursor of cutaneous squamous cell carcinoma (cSCC), the second most common cancer affecting the Caucasian population. AK is frequently present in the sun-exposed skin of the elderly population, UV radiation being the main cause of this cancer, and other risk factors contributing to AK incidence. The dysregulation of microRNAs (miRNAs) observed in different cancers leads to an improper expression of miRNA targets involved in several cellular pathways. The TaqMan Array Human MicroRNA Card assay for miRNA expression profiling was performed in pooled AK compared to healthy skin scraping samples from the same patients. Forty-three miRNAs were modulated in the AK samples. The expression of miR-19b (p < 0.05), -31, -34a (p < 0.001), -126, -146a (p < 0.01), -193b, and -222 (p < 0.05) was validated by RT-qPCR. The MirPath tool was used for MiRNA target prediction and enriched pathways. The top DIANA-mirPath pathways regulated by the targets of the 43 miRNAs are TGF-beta signaling, Proteoglycans in cancer, Pathways in cancer, and Adherens junction (7.30 × 10-10 < p < 1.84 × 10-8). Selected genes regulating the KEGG pathways, i.e., TP53, MDM2, CDKN1A, CDK6, and CCND1, were analyzed. MiRNAs modulated in AK regulate different pathways involved in tumorigenesis, indicating miRNA regulation as a critical step in keratinocyte cancer.
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Affiliation(s)
| | - Marco Iuliano
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome-Polo Pontino, 04100 Latina, Italy
| | - Roberta Maria Mongiovì
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome-Polo Pontino, 04100 Latina, Italy
| | - Fabiola Luzi
- Plastic and Reconstructive Surgery, San Gallicano Dermatologic Institute IRCCS, 00144 Rome, Italy
| | - Giorgio Mangino
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome-Polo Pontino, 04100 Latina, Italy
| | - Lorenzo Grimaldi
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome-Polo Pontino, 04100 Latina, Italy
| | - Luisa Accardi
- EVOR Unit, Department of Infectious Diseases, Istituto Superiore di Sanità, 00161 Rome, Italy
| | - Gianna Fiorucci
- EVOR Unit, Department of Infectious Diseases, Istituto Superiore di Sanità, 00161 Rome, Italy
- Institute of Molecular Biology and Pathology, CNR, 00185 Rome, Italy
| | - Giovanna Romeo
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome-Polo Pontino, 04100 Latina, Italy
| | - Paola Di Bonito
- EVOR Unit, Department of Infectious Diseases, Istituto Superiore di Sanità, 00161 Rome, Italy
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17
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FGFR2c Upregulation Contributes to Cancer-Associated Fibroblast Program Activation and to Enhanced Autophagy in Actinic Keratosis-Derived Dermal Fibroblasts: A Possible Role in Precancerous Cell/Stromal Cell Crosstalk. BIOLOGY 2023; 12:biology12030463. [PMID: 36979155 PMCID: PMC10045898 DOI: 10.3390/biology12030463] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 03/09/2023] [Accepted: 03/15/2023] [Indexed: 03/19/2023]
Abstract
Actinic keratosis (AK) is a preneoplastic skin disorder which can rapidly progress to cutaneous squamous cell carcinomas (SCCs). In light of our previous findings, indicating a possible oncogenic role of the mesenchymal isoform of FGFR2 (FGFR2c) aberrantly expressed in AK keratinocytes, we analyzed the possible tumor-promoting role of this receptor in the stromal AK counterpart in this work. Molecular analysis showed that, particularly in early AK lesions, FGFR2c dermal upregulation is accompanied by the downregulation of the cancer-associated fibroblasts (CAF) transcription repressor CSL, the upregulation of the CAF activator ULK3, and the consequent CAF gene induction. Immunofluorescence and molecular analysis, coupled with silencing approaches by siRNA, applied on primary cultures of KIN I-derived fibroblasts, indicated that FGFR2c upregulation contribute to CAF signature and the increased autophagy in response to FGF2. Magnetic bead-based multiplex assay, combined with FGFR2 signaling shut-off approaches, indicated that, especially in response to FGF2, IL-6 secretion could depend on FGFR2c high expression and signaling, suggesting the possible establishment of FGFR2c-dependent secretory autophagy, contributing to tumor-promoting factor release. Overall, our results identified FGFR2c as a signaling molecule involved in controlling precancerous/stromal cell oncogenic crosstalk, pointing to this receptor as a possible early molecular marker predictive for AK’s rapid malignant progression.
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18
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Lampley N, Rigo R, Schlesinger T, Rossi AM. Field Therapy for Actinic Keratosis: A Structured Review of the Literature on Efficacy, Cost, and Adherence. Dermatol Surg 2023; 49:124-129. [PMID: 36728061 DOI: 10.1097/dss.0000000000003677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Accepted: 11/06/2022] [Indexed: 02/03/2023]
Abstract
BACKGROUND Although there are evidence-based guidelines for actinic keratosis management, selecting a cost-effective field therapy is challenging because of limited studies comparing cost, efficacy, and adherence among treatments. OBJECTIVE To review the literature on field-directed therapies for actinic keratosis, comparing efficacy, cost, and adherence data for topical and in-office treatments. MATERIALS AND METHODS PubMed, Embase, Web of Science, and Google Scholar databases were searched from October 2020 to March 2021 for articles on field therapy for actinic keratosis. Total cost per regimen was estimated using wholesale acquisition cost package prices and Medicare coverage rates for May 2021. Effective cost was approximated by dividing total cost by complete response rate. RESULTS Efficacy data for various field therapies range widely, and long-term follow-up is limited. Cross-study comparisons are challenging because of heterogeneity of studies. Field-directed therapy with topical 5-fluorouracil and photodynamic therapy have similar effective cost. Adherence may significantly affect real-world efficacy and long-term clearance; this would favor shorter duration topical regimens or in-office procedures. CONCLUSION Standardization of future studies examining efficacy of field treatments for actinic keratosis will allow comparison across treatments. In-office treatments such as photodynamic therapy represent a cost-effective alternative to topical therapies with comparable efficacy.
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Affiliation(s)
| | - Rachel Rigo
- Department of Dermatology, Weill Cornell Medicine, New York, New York
| | - Todd Schlesinger
- Clinical Research Center of the Carolinas, Charleston, South Carolina
| | - Anthony M Rossi
- Department of Dermatology, Weill Cornell Medicine, New York, New York
- Dermatology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
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19
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Kim HN, Kim H, Gim JA, Baek YS, Kim A, Kim C. Factors for risk stratification of patients with actinic keratosis using integrated analysis of clinicopathological features and gene expression patterns. Australas J Dermatol 2023; 64:80-91. [PMID: 36645414 DOI: 10.1111/ajd.13965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 11/22/2022] [Accepted: 11/30/2022] [Indexed: 01/17/2023]
Abstract
BACKGROUND Actinic keratosis (AK) is considered as precursor lesion of invasive squamous cell carcinoma. Molecular studies on AK are limited because of too small size of the biopsy specimen to obtain enough DNA or RNA. METHODS Twenty biopsy cases of AK, followed by second same-sited biopsies, were included. Ten cases were diagnosed with total regression (regression group), while the other 10 were diagnosed with invasive carcinoma (progression group) in the follow-up biopsies. Using digital spatial profiling (DSP) technology, whole-gene expression analysis defined by specific regions of interest was performed for all 20 cases. After the clinicopathological features were assessed, separate and integrated analyses of these features and gene expression patterns were performed using machine-learning technology. All analyses were performed on both lesion keratinocytes (KT) and infiltrated stromal lymphocytes (LC). RESULTS Among the 18,667 genes assessed, 33 and 72 differentially expressed genes (DEGs) between the regression and progression groups were found in KT and LC respectively. The primary genes distinguishing the two groups were KRT10 for KT and CARD18 for LC. Clinicopathological features were weaker in risk stratification of AK progression than the gene expression patterns. Pathways associated with various cancers were upregulated in the progression group of KT, whereas the nucleotide-binding oligomerization domain (NOD)-like receptor signalling pathway was upregulated in the progression of LC. CONCLUSION Gene expression patterns were effective for risk stratification of AK progression, and their distinguishing power was higher than that of clinicopathological features.
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Affiliation(s)
- Han-Na Kim
- Department of Pathology, Korea University Guro Hospital, Seoul, South Korea
| | - Hayeon Kim
- Department of Pathology, Korea University Guro Hospital, Seoul, South Korea
| | - Jeong-An Gim
- Medical Science Research Center, College of Medicine, Korea University Guro Hospital, Seoul, South Korea
| | - Yoo S Baek
- Department of Dermatology, Korea University Guro Hospital, Seoul, South Korea
| | - Aeree Kim
- Department of Pathology, Korea University Guro Hospital, Seoul, South Korea
| | - Chungyeul Kim
- Department of Pathology, Korea University Guro Hospital, Seoul, South Korea
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20
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Vaishampayan P, Curiel-Lewandrowski C, Dickinson SE. Review: PD-L1 as an emerging target in the treatment and prevention of keratinocytic skin cancer. Mol Carcinog 2023; 62:52-61. [PMID: 36121318 PMCID: PMC9771956 DOI: 10.1002/mc.23464] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 09/02/2022] [Accepted: 09/06/2022] [Indexed: 02/03/2023]
Abstract
Recent advances in the understanding and targeting of immune checkpoints have led to great progress in immune therapies against many forms of cancer. While many types of immune checkpoints are currently targeted in the clinic, this review will focus on recent research implicating the programmed cell death protein 1/programmed death-ligand 1 (PD-1/PD-L1) axis as an emerging focus for the treatment of keratinocytic tumors. PD-L1 is of particular interest in nonmelanoma skin cancer (NMSC), as it is not only upregulated in these tumors but is stimulated by environmental ultraviolet exposure. This response may also make PD-L1 an excellent target for photochemoprevention using topically applied small molecule inhibitors. Here, we summarize recent investigations on PD-L1 expression and clinically relevant immune checkpoint inhibitor treatment in cutaneous squamous cell carcinoma, basal cell carcinoma, and head and neck squamous cell carcinoma, as well as small molecule agents targeting PD-L1 that may be useful for clinical development aiming at treatment or prevention of NMSC.
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Affiliation(s)
| | - Clara Curiel-Lewandrowski
- University of Arizona Cancer Center, University of Arizona, Tucson, Arizona, USA
- Division of Dermatology, College of Medicine, University of Arizona, Tucson, Arizona, USA
| | - Sally E Dickinson
- University of Arizona Cancer Center, University of Arizona, Tucson, Arizona, USA
- Department of Pharmacology, University of Arizona, Tucson, Arizona
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21
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de Celada RMA, Gracia-Cazaña T, Najera-Botello L, Cerro-Muñoz P, Juarranz A, Gonzalez S, Gilaberte Y. Influence of serum vitamin D level in the response of actinic keratosis to ingenol mebutate. Dermatol Ther 2022; 35:e15949. [PMID: 36261393 DOI: 10.1111/dth.15949] [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: 08/10/2022] [Revised: 10/09/2022] [Accepted: 10/16/2022] [Indexed: 12/30/2022]
Abstract
Vitamin D (VD) serum levels, and keratinocytic basal expression of vitamin D receptor (VDR) before treatment of actinic keratoses (AK) have been previously reported as possible biomarkers of the response of AK to treatments. We intended to evaluate the association between these and other serum and immunohistochemical parameters with the response of AK to treatment with topical ingenol mebutate (IM). Twenty-five patients with AK on the head were treated with topical IM 0.015% gel once daily for 3 days. Biopsies were taken at baseline and 6 weeks after treatment. Immunohistochemical staining was performed for VDR, P53, Ki67, Aurora B, Survivin and β-catenin. Basal serum 25(OH)D levels were determined. IM was more effective for KIN I and II AKs than in KIN III, and histological responders showed significantly higher serum VD levels (30.278 [SD 8.839] ng/mL) than nonresponders (21.14 [SD 7.079] ng/mL, p = 0.023). In addition, mean basal expression of VDR (45.63 [SD 16.105] %) increased significantly (57.92 [SD 14.738] %, p = 0.003) after treatment with IM. A significant decrease after treatment in the expression of several markers of aggressiveness and progression to squamous cell carcinoma, namely P53, Ki-67, aurora B kinase and survivin, was also observed. Our results support a relationship between VD status and the response of AK to treatment with topical IM, suggesting that its previous correction to proper serum levels in VD-deficient patients could improve the response of AK to the treatment.
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Affiliation(s)
| | - Tamara Gracia-Cazaña
- Department of Dermatology, Hospital Universitario Miguel Servet, Zaragoza, Spain
| | - Laura Najera-Botello
- Department of Pathology, Hospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain
| | - Paulina Cerro-Muñoz
- Department of Dermatology, Hospital Universitario Miguel Servet, Zaragoza, Spain
| | - Angeles Juarranz
- Department of Biology, Universidad Autónoma de Madrid, Madrid, Spain
| | - Salvador Gonzalez
- Department of Medicine and Medical Specialties, Instituto Ramón y Cajal de Investigaciones Sanitarias, Universidad de Alcalá, Madrid, Spain
| | - Yolanda Gilaberte
- Department of Dermatology, Hospital Universitario Miguel Servet, Zaragoza, Spain
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22
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Parisi F, Abramo F, Maimone M, Poli A, Millanta F. Skin Photodamage Lesions in a Bilateral Feline Auricular Primary Fibrosarcoma. Vet Sci 2022; 9:vetsci9100548. [PMID: 36288161 PMCID: PMC9611120 DOI: 10.3390/vetsci9100548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/22/2022] [Accepted: 10/03/2022] [Indexed: 11/16/2022] Open
Abstract
As with human species, recent studies also suggest a photoinduced etiopathology for non-epithelial cutaneous tumors in feline species. We report a recent case of a ten-year-old male cat with a white-hair coat and mesenchymal neoplasms of both auricles. Cytology, complete blood count (CBC), serum biochemistry and imaging examinations were performed. After surgery, the samples underwent routinary histopathology and were additionally stained with orcein. A routine analysis yielded values within a normal range and the imaging examination showed no abnormalities, suggesting that the bilateral presentation of neoplasms was primary rather than metastatic. The cytology was inconclusive, but, through histopathology, two well-differentiated fibrosarcomas were diagnosed and histopathological changes related to chronic UV exposure (such as epidermal hyperplasia, stratification disorders, keratinocyte dysplasia and an accumulation of elastotic material) were documented in the skin adjacent to the lesions. An orcein stain succeeded in highlighting elastosis. The elastic fibers lost their regular structure and orientation and appeared to be fragmented, wavy to branched and knotted. A morphometric analysis showed that the amount of elastotic material in the dermis close to the tumors was more than double compared with the more distant areas. Elastosis is considered to be a hallmark of photodamage; thus, an involvement of UV rays in the carcinogenic process of the tumors may be suspected.
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Affiliation(s)
- Francesca Parisi
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge n. 2, 56124 Pisa, Italy
- Correspondence: ; Tel.: +39-05-0221-6982
| | - Francesca Abramo
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge n. 2, 56124 Pisa, Italy
| | - Marco Maimone
- Clinica Veterinaria Foce, via Eugenio Baroni, 26R, 16129 Genova, Italy
| | - Alessandro Poli
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge n. 2, 56124 Pisa, Italy
| | - Francesca Millanta
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge n. 2, 56124 Pisa, Italy
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Anderson JM, Moy L, Moy RL. Preventative Options and the Future of Chemoprevention for Cutaneous Tumors. Dermatol Clin 2022; 41:231-238. [DOI: 10.1016/j.det.2022.07.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Campione E, Di Prete M, Di Raimondo C, Costanza G, Palumbo V, Garofalo V, Mazzilli S, Franceschini C, Dika E, Bianchi L, Orlandi A. Topical Treatment of Actinic Keratosis and Metalloproteinase Expression: A Clinico-Pathological Retrospective Study. Int J Mol Sci 2022; 23:ijms231911351. [PMID: 36232651 PMCID: PMC9569516 DOI: 10.3390/ijms231911351] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/12/2022] [Accepted: 09/20/2022] [Indexed: 11/21/2022] Open
Abstract
Actinic keratosis is an intraepithelial proliferation of atypical keratinocytes that could progress into invasive squamous cell carcinoma. Most evidence suggests an important role of the dermal matrix metalloproteinases in the progression of atypical skin epithelial lesions. We evaluated the clinical efficacy of three different therapeutic modalities (a medical device containing 0.8% piroxicam cream and 50+ sunscreen, photodynamic therapy, and ingenol mebutate gel) to treat suspicious actinic keratoses, which were biopsied for histopathological examination and then analyzed for the expression of matrix metalloproteinases by immunohistochemistry. Clinical, dermoscopic, and reflectance confocal microscopy evaluations revealed a gradual decrease in all standard scores validated for actinic keratosis assessment at the end of the treatments. From a histopathological point of view, we documented the substantial restoration of normal skin architecture, while the immunohistochemical evaluation of matrix metalloproteinases showed a reduction in expression in the treated skin lesions compared to the baseline. As actinic keratoses are considered the precursors of squamous cell carcinoma, their treatment is crucial to prevent the development of a more aggressive disease. Our study monitored the evolution of actinic keratoses subjected to three different topical therapies, with the value of correlating clinical and histopathological findings. Moreover, as the matrix metalloproteinases are largely recognized factors involved in the pathogenesis and evolution of actinic keratosis to squamous cell carcinoma, the demonstration by immunohistochemistry of a reduction in their expression after the treatments adds new valuable concern to the field.
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Affiliation(s)
- Elena Campione
- Dermatology Unit, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
- Correspondence:
| | - Monia Di Prete
- Anatomic Pathology Unit, Department of Biomedicine and Prevention, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Cosimo Di Raimondo
- Dermatology Unit, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Gaetana Costanza
- Anatomic Pathology Unit, Department of Biomedicine and Prevention, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Vincenzo Palumbo
- Dermatology Unit, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Virginia Garofalo
- Dermatology Unit, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Sara Mazzilli
- Dermatology Unit, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Chiara Franceschini
- Dermatology Unit, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Emi Dika
- Division of Dermatology, Azienda Ospedaliero-Universitaria di Bologna, 40126 Bologna, Italy
- Division of Dermatology, Department of Experimental Diagnostic and Specialty Medicine (DIMES), University of Bologna, 40126 Bologna, Italy
| | - Luca Bianchi
- Dermatology Unit, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Augusto Orlandi
- Anatomic Pathology Unit, Department of Biomedicine and Prevention, University of Rome Tor Vergata, 00133 Rome, Italy
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Baker C, James A, Supranowicz M, Spelman L, Shumack S, Cole J, Weightman W, Sinclair R, Foley P. Method of Assessing Skin Cancerization and Keratoses TM (MASCK™): development and photographic validation in multiple anatomical sites of a novel assessment tool intended for clinical evaluation of patients with extensive skin field cancerization. Clin Exp Dermatol 2022; 47:1144-1153. [PMID: 35150158 PMCID: PMC9313559 DOI: 10.1111/ced.15136] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 02/06/2022] [Accepted: 02/07/2022] [Indexed: 11/26/2022]
Abstract
BACKGROUND A range of 'field-directed' treatments is available for the management of extensive skin field cancerization (ESFC), but to date, the only validated objective quantitative tools are limited to assessment of actinic keratoses (AKs) affecting the head. AIMS To develop a versatile quantitative instrument for objective clinical assessment of ESFC and perform initial internal validation across multiple anatomical zones. METHODS The study comprised instrument development, pilot testing and instrument refinement and two rounds of reliability and inter-rater validation testing. The study was noninterventional and used a convenience sample of de-identified patient photographs selected based on preset criteria. An expert panel developed the instrument and scoring system via a modified Delphi voting process. A sample of 16 healthcare professionals from multiple specialties undertook the pilot testing, and a panel of seven dermatologists were involved in validation testing. Validation was determined by assessment of overall inter-rater agreement using Gwet chance-corrected agreement coefficients (ACs). RESULTS The instrument produced, called the Method for Assessing Skin Cancer and Keratoses™ (MASCK™), comprises the Skin Field Cancerization Index (SFCIndex), derived from area of skin involvement and AKs (number and thickness), a global assessment score and a cancer-in-zone score, and uses Likert scales for quantitative scoring. The SFCIndex is a composite score comprising the number and thickness of AKs multiplied by area of skin involvement. ACs for the SFCIndex components, the overall SFCIndex score and the global assessment score were > 0.80 (rated 'almost perfect') while the AC for the cancer-in-zone metric was lower (0.33, rated 'fair'). Internal consistency was demonstrated via positive correlation between the overall SFCIndex score and the global assessment score. CONCLUSIONS Our study found near-perfect agreement in inter-rater reliability when using MASCK to assess the severity of ESFC in multiple anatomical sites. Further validation of this novel instrument is planned to specifically assess its reliability, utility and feasibility in clinical practice.
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Affiliation(s)
- Christopher Baker
- Department of DermatologySt Vincent's Hospital MelbourneFitzroyVic.Australia,Department of MedicineThe University MelbourneMelbourneVic.Australia
| | - Amelia James
- Department of DermatologySt Vincent's Hospital MelbourneFitzroyVic.Australia
| | | | | | - Stephen Shumack
- Sydney Medical SchoolUniversity of SydneySydneyNSWAustralia,Department of DermatologyRoyal North Shore HospitalSydneyNSWAustralia
| | - Judith Cole
- Department of DermatologySt John of God HospitalSubiacoWAAustralia
| | - Warren Weightman
- Department of Dermatology Queen Elizabeth HospitalWoodvilleSAAustralia
| | | | - Peter Foley
- Department of DermatologySt Vincent's Hospital MelbourneFitzroyVic.Australia,Department of MedicineThe University MelbourneMelbourneVic.Australia,Probity Medical ResearchSkin Health InstituteMelbourneVic.Australia
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Jurėnas A, Macejevska M, Lauraitis J, Grigaitienė J. 5-aminolaevulinic acid-based photodynamic therapy as a novel trigger of pemphigus foliaceus. PHOTODERMATOLOGY, PHOTOIMMUNOLOGY & PHOTOMEDICINE 2022; 38:292-294. [PMID: 34677874 DOI: 10.1111/phpp.12744] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 09/25/2021] [Accepted: 10/20/2021] [Indexed: 06/13/2023]
Affiliation(s)
- Andrius Jurėnas
- Center of Dermatovenereology, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
| | - Monika Macejevska
- Center of Dermatovenereology, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
| | - Jonas Lauraitis
- Center of Dermatovenereology, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
| | - Jūratė Grigaitienė
- Center of Dermatovenereology, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
- Clinic of Infectious Diseases and Dermatovenereology, Vilnius University Faculty of Medicine, Vilnius, Lithuania
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27
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Ahmady S, Jansen MHE, Nelemans PJ, Kessels JPHM, Arits AHMM, de Rooij MJM, Essers BAB, Quaedvlieg PJF, Kelleners-Smeets NWJ, Mosterd K. Risk of Invasive Cutaneous Squamous Cell Carcinoma After Different Treatments for Actinic Keratosis: A Secondary Analysis of a Randomized Clinical Trial. JAMA Dermatol 2022; 158:634-640. [PMID: 35475852 PMCID: PMC9047727 DOI: 10.1001/jamadermatol.2022.1034] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Importance Treatment of actinic keratosis (AK) aims to prevent cutaneous squamous cell carcinoma (cSCC). However, whether AK can progress into invasive cSCC is a matter of debate, and little is known about the effect of treatment on preventing cSCC. Objectives To evaluate the risk of invasive cSCC and factors that may contribute to increased risk in patients with multiple AKs. Design, Setting, and Participants In this secondary analysis of a multicenter randomized clinical trial, 624 patients with a minimum of 5 AKs within an area of 25 to 100 cm2 on the head were recruited from the Department of Dermatology of 4 hospitals in the Netherlands. Long-term follow-up was performed from July 1, 2019, to December 31, 2020. Interventions Patients were randomized to treatment with 5% fluorouracil, 5% imiquimod cream, methylaminolevulinate photodynamic therapy, or 0.015% ingenol mebutate gel. Main Outcomes and Measures The primary outcome was the proportion of patients with invasive cSCC in the target area during follow-up. Secondary outcomes were the associations between risk of invasive cSCC and a priori defined potential prognostic factors, including type of treatment, severity of AK (Olsen grade), history of nonmelanoma skin cancer, and additional treatment. Results Of the 624 patients (558 [89.4%] male; median age, 73 years [range, 48-94 years]) in the study, 26 were diagnosed with a histologically proven invasive cSCC in the target area during follow-up. The total 4-year risk of developing cSCC in a previously treated area of AK was 3.7% (95% CI, 2.4%-5.7%), varying from 2.2% (95% CI, 0.7%-6.6%) in patients treated with fluorouracil to 5.8% (95% CI, 2.9%-11.3%) in patients treated with imiquimod. In patients with severe AK (Olsen grade III), the risk was 20.9% (95% CI, 10.8%-38.1%), and the risk was especially high (33.5%; 95% CI, 18.2%-56.3%) in patients with severe AK who needed additional treatment. Conclusions and Relevance In this secondary analysis of a randomized clinical trial, risk of invasive cSCC was highest in patients with Olsen grade III AK and was substantially increased in patients who received additional treatment. These patients should be closely followed up after treatment. Trial Registration ClinicalTrials.gov Identifier: NCT02281682.
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Affiliation(s)
- Shima Ahmady
- Department of Dermatology, Maastricht University Medical Center, Maastricht, the Netherlands.,GROW School for Oncology and Reproduction, Maastricht University Medical Center, Maastricht, the Netherlands
| | - Maud H E Jansen
- Department of Dermatology, Maastricht University Medical Center, Maastricht, the Netherlands.,GROW School for Oncology and Reproduction, Maastricht University Medical Center, Maastricht, the Netherlands
| | - Patty J Nelemans
- Department of Epidemiology, Maastricht University, Maastricht, the Netherlands
| | | | - Aimee H M M Arits
- Department of Dermatology, Maastricht University Medical Center, Maastricht, the Netherlands.,GROW School for Oncology and Reproduction, Maastricht University Medical Center, Maastricht, the Netherlands.,Department of Dermatology, Catharina Hospital, Eindhoven, the Netherlands
| | | | - Brigitte A B Essers
- Department of Clinical Epidemiology and Medical Technology Assessment, Maastricht University Medical Center, Maastricht, the Netherlands
| | | | - Nicole W J Kelleners-Smeets
- Department of Dermatology, Maastricht University Medical Center, Maastricht, the Netherlands.,GROW School for Oncology and Reproduction, Maastricht University Medical Center, Maastricht, the Netherlands
| | - Klara Mosterd
- Department of Dermatology, Maastricht University Medical Center, Maastricht, the Netherlands.,GROW School for Oncology and Reproduction, Maastricht University Medical Center, Maastricht, the Netherlands
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Kim Y, Yin J, Huang H, Jorgenson E, Choquet H, Asgari MM. Genome-wide association study of actinic keratosis identifies new susceptibility loci implicated in pigmentation and immune regulation pathways. Commun Biol 2022; 5:386. [PMID: 35449187 PMCID: PMC9023580 DOI: 10.1038/s42003-022-03301-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 03/18/2022] [Indexed: 01/07/2023] Open
Abstract
Actinic keratosis (AK) is a common precancerous cutaneous neoplasm that arises on chronically sun-exposed skin. AK susceptibility has a moderate genetic component, and although a few susceptibility loci have been identified, including IRF4, TYR, and MC1R, additional loci have yet to be discovered. We conducted a genome-wide association study of AK in non-Hispanic white participants of the Genetic Epidemiology Research on Adult Health and Aging (GERA) cohort (n = 63,110, discovery cohort), with validation in the Mass-General Brigham (MGB) Biobank cohort (n = 29,130). We identified eleven loci (P < 5 × 10-8), including seven novel loci, of which four novel loci were validated. In a meta-analysis (GERA + MGB), one additional novel locus, TRPS1, was identified. Genes within the identified loci are implicated in pigmentation (SLC45A2, IRF4, BNC2, TYR, DEF8, RALY, HERC2, and TRPS1), immune regulation (FOXP1 and HLA-DQA1), and cell signaling and tissue remodeling (MMP24) pathways. Our findings provide novel insight into the genetics and pathogenesis of AK susceptibility.
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Affiliation(s)
- Yuhree Kim
- Department of Dermatology, Massachusetts General Hospital, Boston, MA, USA
- Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, USA
| | - Jie Yin
- Division of Research, Kaiser Permanente Northern California, Oakland, CA, USA
| | - Hailiang Huang
- Analytic and Translational Genetics Unit, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
| | | | - Hélène Choquet
- Division of Research, Kaiser Permanente Northern California, Oakland, CA, USA.
| | - Maryam M Asgari
- Department of Dermatology, Massachusetts General Hospital, Boston, MA, USA.
- Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, USA.
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System for the Recognizing of Pigmented Skin Lesions with Fusion and Analysis of Heterogeneous Data Based on a Multimodal Neural Network. Cancers (Basel) 2022; 14:cancers14071819. [PMID: 35406591 PMCID: PMC8997449 DOI: 10.3390/cancers14071819] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 03/30/2022] [Accepted: 03/30/2022] [Indexed: 02/07/2023] Open
Abstract
Simple Summary Skin cancer is one of the most common cancers in humans. This study aims to create a system for recognizing pigmented skin lesions by analyzing heterogeneous data based on a multimodal neural network. Fusing patient statistics and multidimensional visual data allows for finding additional links between dermoscopic images and medical diagnostic results, significantly improving neural network classification accuracy. The use by specialists of the proposed system of neural network recognition of pigmented skin lesions will enhance the efficiency of diagnosis compared to visual diagnostic methods. Abstract Today, skin cancer is one of the most common malignant neoplasms in the human body. Diagnosis of pigmented lesions is challenging even for experienced dermatologists due to the wide range of morphological manifestations. Artificial intelligence technologies are capable of equaling and even surpassing the capabilities of a dermatologist in terms of efficiency. The main problem of implementing intellectual analysis systems is low accuracy. One of the possible ways to increase this indicator is using stages of preliminary processing of visual data and the use of heterogeneous data. The article proposes a multimodal neural network system for identifying pigmented skin lesions with a preliminary identification, and removing hair from dermatoscopic images. The novelty of the proposed system lies in the joint use of the stage of preliminary cleaning of hair structures and a multimodal neural network system for the analysis of heterogeneous data. The accuracy of pigmented skin lesions recognition in 10 diagnostically significant categories in the proposed system was 83.6%. The use of the proposed system by dermatologists as an auxiliary diagnostic method will minimize the impact of the human factor, assist in making medical decisions, and expand the possibilities of early detection of skin cancer.
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Exposome and Skin. Part 2. The Influential Role of the Exposome, Beyond UVR, in Actinic Keratosis, Bowen's Disease and Squamous Cell Carcinoma: A Proposal. Dermatol Ther (Heidelb) 2022; 12:361-380. [PMID: 35112326 PMCID: PMC8850498 DOI: 10.1007/s13555-021-00644-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Indexed: 02/07/2023] Open
Abstract
Actinic keratosis (AK) is the main risk factor for the development of cutaneous invasive squamous cell carcinoma (SCC). It represents the first sign of severe chronic ultraviolet radiation exposure, which has a clear significant effect. Nevertheless, the skin is exposed to many other exposome factors which should be thoroughly considered. Our aim was to assess the impact of exposome factors other than ultraviolet radiation (UVR) on the etiopathology of AK and Bowen's disease (BD) and progression of AK to SCC and to design tailored prevention strategies. We performed an exhaustive literature search in September 2021 through PubMed on the impact of exposome factors other than UVR on AK, BD and SCC. We conducted several parallel searches combining terms of the following topics: AK, BD, SCC and microbiome, hormones, nutrition, alcohol, tobacco, viral infections, chemical contaminants and air pollution. Notably, skin microbiome studies have shown how Staphylococcus aureus infections are associated with AK and AK-to-SCC progression by the production of chronic inflammation. Nutritional studies have demonstrated how a caloric restriction in fat intake, oral nicotinamide and moderate consumption of wine significantly reduce the number of premalignant keratoses and SCC. Regarding lifestyle factors, both alcohol and smoking are associated with the development of SCC in a dose-dependent manner. Relevant environmental factors are viral infections and chemical contaminants. Human papillomavirus infections induce deregulation of cellular proliferation and are associated with AK, BD and SCC. In addition to outdoor jobs, occupations such as industrial processing and farming also increase the risk of developing keratoses and SCC. The exposome of AK will undoubtedly help the understanding of its etiopathology and possible progression to SCC and will serve as a basis to design tailored prevention strategies.
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Auricular Non-Epithelial Tumors with Solar Elastosis in Cats: A Possible UV-Induced Pathogenesis. Vet Sci 2022; 9:vetsci9020034. [PMID: 35202288 PMCID: PMC8874616 DOI: 10.3390/vetsci9020034] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/14/2022] [Accepted: 01/14/2022] [Indexed: 02/04/2023] Open
Abstract
The photoinduced etiopathology of actinic keratosis and squamous cell carcinoma in feline species is well known. This etiology has also been reported for non-epithelial cutaneous tumors in other species. To date, no cases of auricular non-epithelial cutaneous neoplasms erased in a contest of actinic keratosis in cats have been reported. The aim of this study was to describe feline auricular non-epithelial cutaneous neoplasms associated with typical UV-induced cutaneous lesions and solar elastosis. The study was conducted on five feline cases diagnosed with auricular non-epithelial cutaneous tumors (two fibrosarcomas, one mixosarcoma, one epithelioid melanoma and one hemangiosarcoma), selected from the Tumor Registry of the Department of Veterinary Sciences of the University of Pisa (1998–2018). Ten and six feline auricular biopsies of normal skin and skin with actinic keratosis, respectively, were used as controls. Orcein stain was used to investigate solar elastosis. Histological changes related to chronic solar irradiation were documented in the skin adjacent to the neoplastic lesions in the five cats. Considering the anatomical localization and the results of histopathology, this study suggests that non-epithelial cutaneous neoplasms may have a UV-induced etiopathogenesis in the feline species.
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Zha X, Li Y, Wang J, Xiao W, Liu J. Risk factors for actinic keratoses: A systematic review and meta-analysis. Indian J Dermatol 2022; 67:92. [PMID: 35656236 PMCID: PMC9154173 DOI: 10.4103/ijd.ijd_859_21] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Objective To integrate evidence and assess the risk factors associated with actinic keratosis (AK). Methods Unrestricted searches were conducted on five electronic databases, with an end-date parameter of September 2021. We summarized the study characteristics and pooled the results from individual studies by using a random-effects model. The risk of bias was estimated using the Cochrane Risk of Bias Tool, and the quality of evidence was estimated according to the Newcastle-Ottawa Scale. Results Sixteen studies were included in final analysis, and we assessed the AK risk among a variety of risk factors. Overall, the male sex (odds ratio (OR): 2.51; 95% confidence interval (CI): 1.94-3.25; P < 0.01), age >45 years (OR = 7.65, 95% CI: 2.95-19.86; P < 0.01), light Fitzpatrick skin phototype (OR = 2.32, 95% CI: 1.74-3.10; P < 0.01), light hair color (OR = 2.17, 95% CI: 1.40-3.36; P < 0.01), light eye color (OR = 1.67, 95% CI: 1.03-2.70; P = 0.04), freckles on face/arms (OR = 1.88, 95% CI: 1.37-2.58; P < 0.01), suffered positive history of other types of non-melanoma skin cancer (OR = 4.46, 95% CI: 2.71-7.33; P < 0.01), sunburns in childhood (OR = 2.33, 95% CI: 1.47-3.70; P < 0.01) and adulthood (OR = 1.50, 95% CI: 1.12-2.00; P < 0.01), severe sunburn (OR = 1.94, 95% CI: 1.62-2.31; P < 0.01), and chronic occupational and/or recreational sun exposure (OR = 3.22, 95% CI: 2.16-4.81; P < 0.01) increased the risk of AK. Moreover, sunscreen use (OR = 0.51, 95% CI: 0.34-0.77; P < 0.01) and history of atopy reduced the risk of AK. Sensitivity analysis yielded consistent results. The included studies showed a high risk of bias. Conclusion We confirm several well-known AK risk factors and their quantitative data, and summarized the uncommon risk factors and protective factors. Our results may inform on the design and implementation of AK screening and educational programs.
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Cells to Surgery Quiz: January 2022. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2021.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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34
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Hu C, Liu X, Wang P, Guo L, Li C, Xu M, Zhang G, Wang X. Dermoscopy and ultrosound monitoring actinic keratosis with cutaneous squamous cell carcinoma: A case report and literature review. Photodiagnosis Photodyn Ther 2021; 37:102709. [PMID: 34973428 DOI: 10.1016/j.pdpdt.2021.102709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/07/2021] [Accepted: 12/28/2021] [Indexed: 10/19/2022]
Abstract
Actinic keratosis(AK) is a common premalignant skin lesion that can progress to invasive squamous cell carcinoma(iSCC). Clinically, AK presents as reddish or brownish macules, papules, or hyperkeratotic plaques. AK cannot be reliably predicted whether it will transform into invasive carcinomas, so skin biopsy is currently a gold standard for identifying suspicious malignancy. Currently, there are non-invasive methods to help diagnose and determine the difference between AKs and iSCC. For example, dermoscopy and ultrasound can be very useful in diagnosing and monitoring skin diseases non-invasively. Therefore, we report a case of multiple facial AKs with poorly differentiated skin squamous cell carcinoma, which was diagnosed early through dermoscopy and ultrasound, and confirmed by histopathology.
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Affiliation(s)
- Chan Hu
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China.
| | - Xiaojing Liu
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Peiru Wang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Lehang Guo
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, China
| | - Chunxiao Li
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Mingyuan Xu
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Guolong Zhang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Xiuli Wang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China.
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Metabolomic Analysis of Actinic Keratosis and SCC Suggests a Grade-Independent Model of Squamous Cancerization. Cancers (Basel) 2021; 13:cancers13215560. [PMID: 34771721 PMCID: PMC8582912 DOI: 10.3390/cancers13215560] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/02/2021] [Accepted: 11/02/2021] [Indexed: 12/18/2022] Open
Abstract
Simple Summary Actinic keratoses (AKs) are the most common sun-induced precancerous lesions that can progress to squamocellular carcinoma (SCC). AK I have been considered low-risk lesions, often evolving into AK II, the AK grade II and III have the potential to evolve to SCC. This research has assessed the metabolomic fingerprints of AK I, AK II, AK III and SCC by HR-MAS NMR spectroscopy, with the aim of evaluating the hypothesis of grade-association AK to SCC. The association between AKs and SCCs has also been evaluated by histopathology. Our findings support the notion that AK I are different from healthy skin and share different features with SCCs, indeed, they are metabolically active lesions with metabolic profiles similar to high-grade AKs and to SCC. The negative association of AKs with parakeratosis and the positive association with hypertrophy also suggested a similar behavior between AKs and SCCs. Therefore, all AKs should be treated independently from their clinical appearance or histological grade, since it is not possible to predict their potential evolution to SCC. Abstract Background—Actinic keratoses (AKs) are the most common sun-induced precancerous lesions that can progress to squamocellular carcinoma (SCC). Recently, the grade-independent association between AKs and SCC has been suggested; however, the molecular bases of this potential association have not been investigated. This study has assessed the metabolomic fingerprint of AK I, AK II, AK III and SCC using high resolution magic angle spinning (HR-MAS) nuclear magnetic resonance (NMR) spectroscopy in order to evaluate the hypothesis of grade-independent association between AK and SCC. Association between AKs and SCCs has also been evaluated by histopathology. Methods—Metabolomic data were obtained through HR-MAS NMR spectroscopy. The whole spectral profiles were analyzed through multivariate statistical analysis using MetaboAnalyst 5.0. Histologic examination was performed on sections stained with hematoxylin and eosin; statistical analysis was performed using STATA software version 14. Results—A group of 35 patients affected by AKs and/or SCCs and 10 healthy controls were enrolled for metabolomics analysis. Histopathological analysis was conducted on 170 specimens of SCCs and AKs (including the ones that underwent metabolomic analysis). SCCs and AK I were found to be significantly associated in terms of the content of some metabolites. Moreover, in the logistic regression model, the presence of parakeratosis in AKs appeared to be less frequently associated with SCCs, while AKs with hypertrophy had a two-fold higher risk of being associated with SCC. Conclusions—Our findings, derived from metabolomics and histopathological data, support the notion that AK I are different from healthy skin and share some different features with SCCs. This may further support the expanding notion that all AKs should be treated independently from their clinical appearance or histological grade because they may be associated with SCC.
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Membrive Jiménez C, Pérez Ramírez C, Sánchez Martín A, Vieira Maroun S, Arias Santiago S, Ramírez Tortosa MC, Jiménez Morales A. Clinical Application of Pharmacogenetic Markers in the Treatment of Dermatologic Pathologies. Pharmaceuticals (Basel) 2021; 14:ph14090905. [PMID: 34577605 PMCID: PMC8471650 DOI: 10.3390/ph14090905] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 08/25/2021] [Accepted: 09/01/2021] [Indexed: 02/07/2023] Open
Abstract
Dermatologic pathologies are the fourth most common cause of non-fatal disease worldwide; however, they produce a psychosocial, economic, and occupational impact equal to or greater than other chronic conditions. The most prevalent are actinic keratosis, followed by basal-cell carcinoma, in a lesser proportion acne vulgaris, psoriasis, and hidradenitis suppurativa, among others, and more rarely dermatitis herpetiformis. To treat actinic keratosis and basal-cell carcinoma, 5-fluorouracil (5-FU) 0.5% is administered topically with good results, although in certain patients it produces severe toxicity. On the other hand, dapsone is a drug commonly used in inflammatory skin conditions such as dermatitis herpetiformis; however, it occasionally causes hemolytic anemia. Additionally, biologic drugs indicated for the treatment of moderate-to-severe psoriasis and hidradenitis suppurativa have proved to be effective and safe; nevertheless, a small percentage of patients do not respond to treatment with biologics in the long term or they are ineffective. This interindividual variability in response may be due to alterations in genes that encode proteins involved in the pathologic environment of the disease or the mechanism of action of the medication. Pharmacogenetics studies the relationship between genetic variations and drug response, which is useful for the early identification of non-responsive patients and those with a higher risk of developing toxicity upon treatment. This review describes the pharmacogenetic recommendations with the strongest evidence at present for the treatments used in dermatology, highlighting those included in clinical practice guides. Currently, we could only find pharmacogenetic clinical guidelines for 5-FU. However, the summary of product characteristics for dapsone contains a pharmacogenetic recommendation from the United States Food and Drug Administration. Finally, there is an enormous amount of information from pharmacogenetic studies in patients with dermatologic pathologies (mainly psoriasis) treated with biologic therapies, but they need to be validated in order to be included in clinical practice guides.
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Affiliation(s)
- Cristina Membrive Jiménez
- Pharmacy Service, Pharmacogenetics Unit, University Hospital Virgen de las Nieves, 18014 Granada, Spain; (C.M.J.); (A.S.M.); (S.V.M.); (A.J.M.)
| | - Cristina Pérez Ramírez
- Pharmacy Service, Pharmacogenetics Unit, University Hospital Virgen de las Nieves, 18014 Granada, Spain; (C.M.J.); (A.S.M.); (S.V.M.); (A.J.M.)
- Center of Biomedical Research, Department of Biochemistry and Molecular Biology II, Institute of Nutrition and Food Technology “José Mataix”, University of Granada, Avda. del Conocimiento s/n., Armilla, 18016 Granada, Spain;
- Correspondence:
| | - Almudena Sánchez Martín
- Pharmacy Service, Pharmacogenetics Unit, University Hospital Virgen de las Nieves, 18014 Granada, Spain; (C.M.J.); (A.S.M.); (S.V.M.); (A.J.M.)
| | - Sayleth Vieira Maroun
- Pharmacy Service, Pharmacogenetics Unit, University Hospital Virgen de las Nieves, 18014 Granada, Spain; (C.M.J.); (A.S.M.); (S.V.M.); (A.J.M.)
| | | | - María Carmen Ramírez Tortosa
- Center of Biomedical Research, Department of Biochemistry and Molecular Biology II, Institute of Nutrition and Food Technology “José Mataix”, University of Granada, Avda. del Conocimiento s/n., Armilla, 18016 Granada, Spain;
| | - Alberto Jiménez Morales
- Pharmacy Service, Pharmacogenetics Unit, University Hospital Virgen de las Nieves, 18014 Granada, Spain; (C.M.J.); (A.S.M.); (S.V.M.); (A.J.M.)
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Kay K, Hoyer P, Codrea V, Joseph AK. Anaphylaxis Associated With Topical Application of 5-Aminolevulinic Acid. Dermatol Surg 2021; 47:1150-1151. [PMID: 33867463 DOI: 10.1097/dss.0000000000003001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- Kristen Kay
- School of Medicine, University of Texas Medical Branch at Galveston, Galveston, Texas
| | - Paige Hoyer
- Department of Dermatology, University of Texas Medical Branch at Galveston, Galveston, Texas
| | - Vlad Codrea
- Department of Dermatology, University of West Virginia, Morgantown, West Virginia
| | - Aaron K Joseph
- Department of Dermatology, University of Texas Medical Branch at Galveston, Galveston, Texas
- US Dermatology Partners, Pasadena, Texas
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38
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Tai F, Shah M, Pon K, Alavi A. Laser Resurfacing Monotherapy for the Treatment of Actinic Keratosis. J Cutan Med Surg 2021; 25:634-642. [PMID: 34213956 DOI: 10.1177/12034754211027515] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Treating actinic keratosis (AK) and photodamaged skin is critical to reduce the risk of progression to skin cancer. Laser resurfacing for AK treatment is available as either lesion-directed or field therapy. Laser resurfacing removes the superficial epidermis and dermis containing actinic damage, promoting re-epithelialization of healthy skin. Although laser resurfacing has been explored as a modality for AK treatment in the literature, studies summarizing its efficacy in the treatment of AK are lacking. This review summarizes existing research on laser resurfacing as a monotherapy for AK treatment, highlighting the various laser resurfacing modalities available for AK treatment as well as their complications and efficacy in comparison to other therapies. Despite longer healing time, fully ablative laser resurfacing, including carbon dioxide and erbium-doped yttrium aluminum garnet were found to be more effective for AK treatment than fractional ablative techniques. Although some studies suggest laser resurfacing monotherapy as less efficacious than photodynamic therapy, and equally effective to 5-fluorouracil and 30% trichloroacetic acid, clinical trials of larger sample size are required to establish stronger evidence-based conclusions. Moreover, laser resurfacing used as lesion-directed therapy, as opposed to the usual field-therapy, requires further investigation.
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Affiliation(s)
- Felicia Tai
- 793812366 Temerty Faculty of Medicine, University of Toronto, ON, Canada
| | - Monica Shah
- 793812366 Temerty Faculty of Medicine, University of Toronto, ON, Canada
| | - Kucy Pon
- 71545 Division of Dermatology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada.,Department of Medicine, University of Toronto, ON, Canada
| | - Afsaneh Alavi
- Department of Medicine, University of Toronto, ON, Canada.,Department of Dermatology, Mayo Clinic, Rochester, MN, USA
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Thomson J, Bewicke-Copley F, Anene CA, Gulati A, Nagano A, Purdie K, Inman GJ, Proby CM, Leigh IM, Harwood CA, Wang J. The Genomic Landscape of Actinic Keratosis. J Invest Dermatol 2021; 141:1664-1674.e7. [PMID: 33482222 PMCID: PMC8221374 DOI: 10.1016/j.jid.2020.12.024] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 12/10/2020] [Accepted: 12/15/2020] [Indexed: 01/12/2023]
Abstract
Actinic keratoses (AKs) are lesions of epidermal keratinocyte dysplasia and are precursors for invasive cutaneous squamous cell carcinoma (cSCC). Identifying the specific genomic alterations driving the progression from normal skin to skin with AK to skin with invasive cSCC is challenging because of the massive UVR-induced mutational burden characteristic at all stages of this progression. In this study, we report the largest AK whole-exome sequencing study to date and perform a mutational signature and candidate driver gene analysis on these lesions. We demonstrate in 37 AKs from both immunosuppressed and immunocompetent patients that there are significant similarities between AKs and cSCC in terms of mutational burden, copy number alterations, mutational signatures, and patterns of driver gene mutations. We identify 44 significantly mutated AK driver genes and confirm that these genes are similarly altered in cSCC. We identify azathioprine mutational signature in all AKs from patients exposed to the drug, providing further evidence for its role in keratinocyte carcinogenesis. cSCCs differ from AKs in having higher levels of intrasample heterogeneity. Alterations in signaling pathways also differ, with immune-related signaling and TGFβ signaling significantly more mutated in cSCC. Integrating our findings with independent gene expression datasets confirms that dysregulated TGFβ signaling may represent an important event in AK‒cSCC progression.
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Affiliation(s)
- Jason Thomson
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom; Centre for Cancer Genomics and Computational Biology, Barts Cancer Institute, Queen Mary University of London, London, United Kingdom; Department of Dermatology, The Royal London Hospital, Barts Health NHS Trust, London, United Kingdom
| | - Findlay Bewicke-Copley
- Centre for Cancer Genomics and Computational Biology, Barts Cancer Institute, Queen Mary University of London, London, United Kingdom
| | - Chinedu Anthony Anene
- Centre for Cancer Genomics and Computational Biology, Barts Cancer Institute, Queen Mary University of London, London, United Kingdom
| | - Abha Gulati
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom; Department of Dermatology, The Royal London Hospital, Barts Health NHS Trust, London, United Kingdom
| | - Ai Nagano
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, United Kingdom
| | - Karin Purdie
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Gareth J Inman
- Cancer Research UK Beatson Institute, Glasgow, United Kingdom; Institute of Cancer Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Charlotte M Proby
- Division of Molecular and Clinical Medicine, School of Medicine, University of Dundee, Dundee, United Kingdom
| | - Irene M Leigh
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Catherine A Harwood
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom; Department of Dermatology, The Royal London Hospital, Barts Health NHS Trust, London, United Kingdom
| | - Jun Wang
- Centre for Cancer Genomics and Computational Biology, Barts Cancer Institute, Queen Mary University of London, London, United Kingdom.
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Hammadi R, Kúsz N, Dávid CZ, Behány Z, Papp L, Kemény L, Hohmann J, Lakatos L, Vasas A. Ingol and Ingenol-Type Diterpenes from Euphorbia trigona Miller with Keratinocyte Inhibitory Activity. PLANTS 2021; 10:plants10061206. [PMID: 34198524 PMCID: PMC8231945 DOI: 10.3390/plants10061206] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/07/2021] [Accepted: 06/08/2021] [Indexed: 12/11/2022]
Abstract
Ingenol mebutate, isolated from Euphorbia peplus, is an ingenane-type diterpenoid, primarily used for the topical treatment of actinic keratosis, a premalignant skin condition. The aim of our work was to investigate other Euphorbia species to find structurally similar diterpenes that can be used as alternatives to ingenol mebutate. Pharmacological investigation of Euphorbia candelabrum, Euphorbia cotinifolia, Euphorbia ramipressa, and Euphorbia trigona revealed the potent keratinocyte (HPV-Ker cell line) inhibitory activity of these spurge species. From the methanolic extract of the aerial parts of Euphorbia trigona Miller, the most active species, five ingol (1–5) and four ingenane-type diterpenoids (6–9) were isolated by various chromatographic separation techniques, including open column chromatography, vacuum liquid chromatography, thin-layer chromatography, and high-performance liquid chromatography. The structures of the compounds were determined by NMR spectroscopic analysis and by comparison of the assignations with the literature data. The cytotoxic activity of the compounds against keratinocytes was tested in vitro by using ingenol mebutate as a positive control. Among the isolated compounds, two ingenane derivatives (6 and 7) exhibited remarkably stronger cytotoxic activity (IC50 values 0.39 μM and 0.32 μM, respectively) on keratinocytes than ingenol mebutate (IC50 value 0.84 μM). These compounds could serve as starting materials for further investigations to find alternatives to Picato® (with active substance ingenol mebutate), which was withdrawn from marketing authorization in the European Union.
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Affiliation(s)
- Reham Hammadi
- Department of Pharmacognosy, Interdisciplinary Excellence Centre, University of Szeged, Eötvös u. 6, 6720 Szeged, Hungary; (R.H.); (N.K.); (C.Z.D.); (J.H.)
| | - Norbert Kúsz
- Department of Pharmacognosy, Interdisciplinary Excellence Centre, University of Szeged, Eötvös u. 6, 6720 Szeged, Hungary; (R.H.); (N.K.); (C.Z.D.); (J.H.)
| | - Csilla Zsuzsanna Dávid
- Department of Pharmacognosy, Interdisciplinary Excellence Centre, University of Szeged, Eötvös u. 6, 6720 Szeged, Hungary; (R.H.); (N.K.); (C.Z.D.); (J.H.)
| | - Zoltán Behány
- Department of Dermatology and Allergology, University of Szeged, Korányi fasor 6, 6720 Szeged, Hungary; (Z.B.); (L.K.)
| | - László Papp
- Botanical Garden, Eötvös Loránd University, Illés u. 25, 1083 Budapest, Hungary;
| | - Lajos Kemény
- Department of Dermatology and Allergology, University of Szeged, Korányi fasor 6, 6720 Szeged, Hungary; (Z.B.); (L.K.)
| | - Judit Hohmann
- Department of Pharmacognosy, Interdisciplinary Excellence Centre, University of Szeged, Eötvös u. 6, 6720 Szeged, Hungary; (R.H.); (N.K.); (C.Z.D.); (J.H.)
- Interdisciplinary Centre of Natural Products, University of Szeged, Eötvös u. 6, 6720 Szeged, Hungary
| | - Lóránt Lakatos
- Department of Dermatology and Allergology, University of Szeged, Korányi fasor 6, 6720 Szeged, Hungary; (Z.B.); (L.K.)
- Photo- and Chronobiology Group Eötvös Loránd Research Network (ELKH), Institute of Plant Biology, Biological Research Center Szeged, Temesvári krt. 62, 6726 Szeged, Hungary
- Correspondence: (L.L.); (A.V.); Tel.: +36-62546451 (A.V.)
| | - Andrea Vasas
- Department of Pharmacognosy, Interdisciplinary Excellence Centre, University of Szeged, Eötvös u. 6, 6720 Szeged, Hungary; (R.H.); (N.K.); (C.Z.D.); (J.H.)
- Correspondence: (L.L.); (A.V.); Tel.: +36-62546451 (A.V.)
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Cells to Surgery Quiz: June 2021. J Invest Dermatol 2021. [PMID: 34024342 DOI: 10.1016/j.jid.2021.03.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Ansai SI, Umebayashi Y, Katsumata N, Kato H, Kadono T, Takai T, Namiki T, Nakagawa M, Soejima T, Koga H, Sugaya M. Japanese Dermatological Association Guidelines: Outlines of Guidelines for Cutaneous Squamous Cell Carcinoma 2020. J Dermatol 2021; 48:e288-e311. [PMID: 33963604 DOI: 10.1111/1346-8138.15889] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 03/18/2021] [Accepted: 03/22/2021] [Indexed: 01/04/2023]
Abstract
In consideration of the development of treatment options for squamous cell carcinoma (SCC), the Japanese Skin Cancer Society issued the first guidelines of SCC in 2007 and revised them in 2015. Here, we report the English version of the 2020 edition of the Japanese SCC guidelines. The first half of this article is an overview of SCC including actinic keratosis and Bowen's disease, and the second half discusses three clinical questions: (i) treatment of actinic keratosis; (ii) determination of the resection margin of the primary lesion; and (iii) treatment of radically incurable cases, as contemporary problems encountered in treating SCC. In these evaluations, all processes were implemented according to the Grading of Recommendations, Assessment, Development, Evaluation system. Also, items of recommendation concerning each clinical question were determined by a multidisciplinary expert panel consisting of dermatologists, plastic/reconstructive surgeons, radiologists, and oncologists through a comprehensive literature search and systematic reviews.
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Affiliation(s)
- Shin-Ichi Ansai
- Division of Dermatology and Dermatopathology, Nippon Medical School Musashi Kosugi-Hospital, Kawasaki, Japan
| | - Yoshihiro Umebayashi
- Department of Dermatology, Tokyo Medical University Hachioji Medical Center, Hachioji, Japan
| | - Noriyuki Katsumata
- Department of Medical Oncology, Nippon Medical School Musashi Kosugi-Hospital, Kawasaki, Japan
| | - Hiroshi Kato
- Department of Geriatric and Environmental Dermatology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Takafumi Kadono
- Department of Dermatology, St. Marianna University School of Medicine, Kawasaki, Japan
| | - Toshihiro Takai
- Department of Dermatology, Hyogo Cancer Center, Akashi, Japan
| | - Takeshi Namiki
- Department of Dermatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Masahiro Nakagawa
- Department of Plastic and Reconstructive Surgery, Shizuoka Prefectural Cancer Center, Nagaizumi, Japan
| | | | - Hiroshi Koga
- Department of Dermatology, Shinshu University, Matsumoto, Japan
| | - Makoto Sugaya
- Department of Dermatology, International University of Health and Welfare, Narita, Japan
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Sechi A, di Altobrando A, Cerciello E, Maietti E, Patrizi A, Savoia F. Drug Intake and Actinic Keratosis: A Case-Control Study. Dermatol Pract Concept 2021; 11:e2021031. [PMID: 33954014 DOI: 10.5826/dpc.1102a31] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/03/2021] [Indexed: 10/31/2022] Open
Abstract
Background Actinic keratosis (AK) is a form of premalignant keratinocyte dysplasia. Recently, the role of photosensitizing drugs in the development of AK has been postulated. Objective This study evaluated a possible association between the use of photosensitizing drugs and the development of AK. A secondary aim was to identify a possible association between any medication other than those primarily examined and AK. Methods A single-center, case-control study assessed the cumulative drug exposure of 90 patients with AK and 90 controls visiting a dermatology service for other skin ailments. Before the visit, patients were interviewed to collect data on daily therapy and the lag-time of discontinued drugs within the last 2 years, and to record the drug's active ingredient, dosage, and duration of therapy. In addition, sociodemographic characteristics including age, sex, educational level, skin phototype, and cumulative sun exposure habits were gathered. Results By logistic regression, exposures to angiotensin II receptor blockers (ARBs) and antiplatelet agents were identified as independent risk factors for the development of AK. ARB intake was associated with AK only at high exposure (OR = 13.6; 95% CI, 2.0-93.8). The use of antiplatelet drugs was borderline, yet not significant, at low exposure (OR = 3.31; 95% CI, 0.86-12.7), but increased in a dose-dependent manner. The strongest correlation was found at the highest cumulative dose (>1100 dose unit-years (OR = 4.38; 95% CI, 1.16-16.6). Conclusions High exposure to ARBs and antiplatelet agents may promote AK carcinogenesis in at-risk patients.
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Affiliation(s)
- Andrea Sechi
- Dermatology, IRCCS Policlinico di Sant'Orsola. Department of Experimental, Diagnostic and Specialty Medicine, Alma Mater Studiorum University of Bologna, Italy
| | - Ambra di Altobrando
- Dermatology, IRCCS Policlinico di Sant'Orsola. Department of Experimental, Diagnostic and Specialty Medicine, Alma Mater Studiorum University of Bologna, Italy
| | - Eugenio Cerciello
- Dermatology, IRCCS Policlinico di Sant'Orsola. Department of Experimental, Diagnostic and Specialty Medicine, Alma Mater Studiorum University of Bologna, Italy
| | - Elisa Maietti
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Italy
| | - Annalisa Patrizi
- Dermatology, IRCCS Policlinico di Sant'Orsola. Department of Experimental, Diagnostic and Specialty Medicine, Alma Mater Studiorum University of Bologna, Italy
| | - Francesco Savoia
- Dermatology, IRCCS Policlinico di Sant'Orsola. Department of Experimental, Diagnostic and Specialty Medicine, Alma Mater Studiorum University of Bologna, Italy
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Emmerich VK, Cull D, Kelly KA, Feldman SR. Patient assessment of 5-fluorouracil and imiquimod for the treatment of actinic keratoses: a retrospective study of real-world effectiveness. J DERMATOL TREAT 2021; 33:2075-2078. [PMID: 33947303 DOI: 10.1080/09546634.2021.1917758] [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: 01/26/2023]
Abstract
BACKGROUND Despite the superior efficacy of topical therapies for the treatment of actinic keratoses in clinical trials, cryosurgery remains a frequent treatment modality in clinical practice. Little is known about patients' experience of real-world use of topical therapy. OBJECTIVE To determine the real-world effectiveness and tolerability of 5-fluorouracil and imiquimod in the treatment of actinic keratoses. METHODS A phone survey and chart review was conducted among 51 patients prescribed 5-fluorouracil (N = 27) or imiquimod (N = 24) for actinic keratoses. RESULTS Six patients (22%) in the 5-fluorouracil group and five patients (21%) in the imiquimod group reported severe local skin reactions, and three patients in both groups (11% and 13%, respectively) were unwilling to use the respective topical therapies again. Patients in the 5-fluorouracil group had, on average, 3.3 fewer cryosurgery spot treatments following topical treatment. Patients in the imiquimod group averaged 2.0 fewer spot treatments. LIMITATIONS While this study provides information on real-world experiences, patients' responses were limited by the ability to recall treatment and potential adverse effects. CONCLUSION High rates of skin reactions, prolonged discomfort, and the continued need for procedural treatments may make patients less willing to use topical 5-fluorouracil or imiquimod for actinic keratoses.
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Affiliation(s)
- Veronica K Emmerich
- Department of Dermatology, Center for Dermatology Research, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Deborah Cull
- Department of Dermatology, Center for Dermatology Research, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Katherine A Kelly
- Department of Dermatology, Center for Dermatology Research, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Steven R Feldman
- Department of Dermatology, Center for Dermatology Research, Wake Forest School of Medicine, Winston-Salem, NC, USA.,Department of Pathology, Wake Forest School of Medicine, Winston-Salem, NC, USA.,Department of Social Sciences and Health Policy, Wake Forest School of Medicine, Winston-Salem, NC, USA.,Department of Dermatology, University of Southern Denmark, Odense, Denmark
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Transcriptomic analysis identifies differences in gene expression in actinic keratoses after treatment with imiquimod and between responders and non responders. Sci Rep 2021; 11:8775. [PMID: 33888854 PMCID: PMC8062619 DOI: 10.1038/s41598-021-88424-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 04/08/2021] [Indexed: 02/06/2023] Open
Abstract
The presence of actinic keratoses (AKs) increases a patient’s risk of developing squamous cell carcinoma by greater than six-fold. We evaluated the effect of topical treatment with imiquimod on the tumor microenvironment by measuring transcriptomic differences in AKs before and after treatment with imiquimod 3.75%. Biopsies were collected prospectively from 21 patients and examined histologically. RNA was extracted and transcriptomic analyses of 788 genes were performed using the nanoString assay. Imiquimod decreased number of AKs by study endpoint at week 14 (p < 0.0001). Post-imiquimod therapy, levels of CDK1, CXCL13, IL1B, GADPH, TTK, ILF3, EWSR1, BIRC5, PLAUR, ISG20, and C1QBP were significantly lower (adjusted p < 0.05). Complete responders (CR) exhibited a distinct pattern of inflammatory gene expression pre-treatment relative to incomplete responders (IR), with alterations in 15 inflammatory pathways (p < 0.05) reflecting differential expression of 103 genes (p < 0.05). Presence of adverse effects was associated with improved treatment response. Differences in gene expression were found between pre-treatment samples in CR versus IR, suggesting that higher levels of inflammation pre-treament may play a part in regression of AKs. Further characterization of the immune micro-environment in AKs may help develop biomarkers predictive of response to topical immune modulators and may guide therapy.
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Targeting nutrient metabolism with FDA-approved drugs for cancer chemoprevention: Drugs and mechanisms. Cancer Lett 2021; 510:1-12. [PMID: 33857528 DOI: 10.1016/j.canlet.2021.03.029] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/21/2021] [Accepted: 03/30/2021] [Indexed: 12/14/2022]
Abstract
Proliferating cancer cells exhibit metabolic alterations and specific nutritional needs for adapting to their rapid growth. These changes include using aerobic glycolysis, lipid metabolic disorder, and irregular protein degradation. It may be useful to target metabolic abnormalities for cancer chemoprevention. Epidemiological and mechanism-related studies have indicated that many FDA-approved anti-metabolic drugs decrease tumor risk, inhibit tumor growth, or enhance the effect of chemotherapeutic drugs. Drugs targeting nutrient metabolism have fewer side effects with long-term use compared to chemotherapeutic drugs. The characteristics of these drugs make them promising candidates for cancer chemoprevention. Here, we summarize recent discoveries of the chemo-preventive effects of drugs targeting nutrient metabolic pathways and discuss future applications and challenges. Understanding the effects and mechanisms of anti-metabolic drugs in cancer has important implications for exploring strategies for cancer chemoprevention.
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Persechino F, Ranieri D, Guttieri L, Nanni M, Torrisi MR, Belleudi F. Expression Profile of Fibroblast Growth Factor Receptors, Keratinocyte Differentiation Markers, and Epithelial Mesenchymal Transition-Related Genes in Actinic Keratosis: A Possible Predictive Factor for Malignant Progression? BIOLOGY 2021; 10:biology10040331. [PMID: 33920760 PMCID: PMC8071104 DOI: 10.3390/biology10040331] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/12/2021] [Accepted: 04/13/2021] [Indexed: 12/13/2022]
Abstract
Simple Summary In this work, we checked the modulation of Fibroblast Growth Factor Receptors (FGFRs) along with differentiation-related and epithelial-to-mesenchymal transition (EMT)-related markers to identify expression profiles that could be predictive for actinic keratosis (AK) progression through the “differentiated” pathway. We found that the downregulation of the analyzed differentiation markers, but not the modulation of the EMT-related markers, correlated with the canonical progression of AK. In addition, the observed modulation of FGFR2 mesenchymal/epithelial isoforms compatible with FGFR2 isoform switch, as well as the upregulation of FGFR4 suggested their correlation with early steps of AK pathogenesis. In contrast, the increase of mesenchymal FGFR3c isoform expression appeared to suggest that this event correlated with late steps of AK progression. In addition, the strong modulation of filaggrin (FIL), Snail1, as well as of FGFR2c, FGFR4, and their ligand Fibroblast Growth Factor 2 (FGF2), observed in some of the keratinocytic intraepithelial neoplasia grade I (KIN I) samples, may indicate that they could be molecular markers predictive for those KIN I lesions destined to a direct progression to squamous cell carcinoma (SCC) through the “differentiated” pathway. Abstract Actinic keratosis (AK) is the ultra violet (UV)-induced preneoplastic skin lesion clinically classified in low (KIN I), intermediate (KIN II), and high (KIN III) grade lesions. In this work we analyzed the expression of Fibroblast Growth Factor Receptors (FGFRs), as well as of keratinocyte differentiation and epithelial-to-mesenchymal transition (EMT)-related markers in differentially graded AK lesions, in order to identify specific expression profiles that could be predictive for direct progression of some KIN I lesions towards squamous cell carcinoma (SCC). Our molecular analysis showed that the keratinocyte differentiation markers keratin 1 (K1), desmoglein-1 (DSG1), and filaggrin (FIL) were progressively downregulated in KIN I, II, and III lesions, while the modulation of epithelial/mesenchymal markers and the induction of the transcription factors Snail1 and Zinc finger E-box-binding homeobox 1 (ZEB1) compatible with pathological EMT, even if observable, did not appear to correlate with AK progression. Concerning FGFRs, a modulation of epithelial isoform of FGFR2 (FGFR2b) and the mesenchymal FGFR2c isoform compatible with an FGFR2 isoform switch, as well as FGFR4 upregulation were observed starting from KIN I lesions, suggesting that they could be events involved in early steps of AK pathogenesis. In contrast, the increase of FGFR3c expression, mainly appreciable in KIN II and KIN III lesions, suggested a correlation with AK late progression. Interestingly, the strong modulation of FIL, Snail1, as well as of FGFR2c, FGFR4, and of their ligand FGF2, observed in some of the KIN I samples, may indicate that they could be molecular markers predictive for those low graded lesions destined to a direct progression to SCC. In conclusion, our data point on the identification of molecular markers predictive for AK rapid progression through the “differentiated” pathway. Our results also represent an important step that, in future, will help to clarify the molecular mechanisms underlying FGFR signaling deregulation in epithelial tissues during the switch from the pre-neoplastic to the oncogenic malignant phenotype.
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Affiliation(s)
- Flavia Persechino
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, 00189 Rome, Italy; (F.P.); (D.R.); (L.G.); (M.R.T.)
| | - Danilo Ranieri
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, 00189 Rome, Italy; (F.P.); (D.R.); (L.G.); (M.R.T.)
| | - Luisa Guttieri
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, 00189 Rome, Italy; (F.P.); (D.R.); (L.G.); (M.R.T.)
| | - Monica Nanni
- Tissue Biology Research Unit, Department of Surgery, University Children’s Hospital, CH–8032 Zurich, Switzerland;
| | - Maria Rosaria Torrisi
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, 00189 Rome, Italy; (F.P.); (D.R.); (L.G.); (M.R.T.)
- S. Andrea University Hospital, 00100 Rome, Italy
| | - Francesca Belleudi
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, 00189 Rome, Italy; (F.P.); (D.R.); (L.G.); (M.R.T.)
- Correspondence:
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Zhang Y, Tan L, Huang J, Tang Z, Tong X, Gao L, Zeng J. In vivo reflectance confocal microscopy for monitoring actinic keratosis treated with 5-aminolevulinic acid photodynamic therapy. Skin Res Technol 2021; 27:871-879. [PMID: 33847402 DOI: 10.1111/srt.13036] [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] [Received: 10/30/2020] [Accepted: 03/11/2021] [Indexed: 12/26/2022]
Abstract
BACKGROUND Actinic keratosis (AK) occurs frequently in sun-exposed skin while its diagnosis and treatment were still in exploration. MATERIALS AND METHODS Thirty two patients with facial AK lesions were selected and examined with reflective confocal microscopy (RCM) firstly, followed by biopsy at the same site. RCM was used to observe AK lesions before 5-aminolevulinic acid photodynamic therapy (ALA-PDT) treatment, after the first treatment, after 4 treatments, and at 1 and 6 months follow-up. Retrospective analysis of RCM images was performed. RESULTS Thirty two AK cases showed initial RCM microscopic features including disorderly arranged epidermal cells (100%), atypical keratinocytes (100%), and blurry border between the epidermis and dermis (100%). 4 patients quitted trail. After treatments, 24 cases showed basically regular arrangement of epidermal cells, absent atypical keratinocytes, and clear border between epidermis and dermis, while 4 cases improved little. At 1 and 6 months follow-up, 23 cases remained relapse-free while 1 case developed recurrent symptoms. Effective rate of 4 ALA-PDT treatments for AK was 100%; recurrence and cure rates were 4.2% and 82.1%, respectively. CONCLUSION ALA-PDT is effective to treat AK, while RCM can be recommended for in vivo evaluating and monitoring the effect of ALA-PDT on AK.
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Affiliation(s)
- Yuezhong Zhang
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Lina Tan
- Department of Dermatology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Jian Huang
- Department of Dermatology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Zhen Tang
- Department of Dermatology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Xiaoliang Tong
- Department of Dermatology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Lihua Gao
- Department of Dermatology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Jinrong Zeng
- Department of Dermatology, The Third Xiangya Hospital, Central South University, Changsha, China
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Dańczak-Pazdrowska A, Pazdrowski J, Polańska A, Basta B, Schneider A, Kowalczyk MJ, Golusiński P, Golusiński W, Adamski Z, Żaba R, Masternak MM. Profiling of microRNAs in actinic keratosis and cutaneous squamous cell carcinoma patients. Arch Dermatol Res 2021; 314:257-266. [PMID: 33813600 PMCID: PMC8918171 DOI: 10.1007/s00403-021-02221-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 02/16/2021] [Accepted: 03/18/2021] [Indexed: 12/13/2022]
Abstract
Actinic keratosis (AK) is a common skin lesion often defined as premalignant with more evidence indicating it as early stage of cutaneous squamous cell carcinoma (cSCC). The AK may remain stable, transform towards incisive cSCC or in some cases revert spontaneously. Several different underlying conditions can increase risk of cSCC, however, advanced age represents major risk of AK and its progression towards cSCC indicating increased risk during chronological aging. Importantly, AK and cSCC are characterized by similar genetic profile, which lead researchers to search for novel biomarkers allowing early detection. As skin sampling is often invasive and causes scaring, in the current study, we investigated a novel approach to establish potential blood circulating genetic markers in patients diagnosed with AK and cSCC. Based on clinical diagnosis and dermoscopy, we recruited 13 patients with AK (divided into two groups: the first included patients with no more than three lesions, the second group included patients with at least ten lesions) and two additional individuals diagnosed with cSCC. Deep sequencing analysis of serum circulating miRNAs detected a total of 68 expressed miRNAs. Further analysis indicated 2 regulated miRNAs for AK cohort and 12 miRNAs for cSCC patients, while there were 26 miRNAs differentially regulated between cSCC and AK patients. There was also one commonly regulated miRNA between AK and cSCC patients and ten miRNAs that were regulated in cSCC when compared with both control and AK patients. We did not observe any differences between the AK groups. In conclusion, our analysis detected in circulation some miRNA that were previously recognized as important in AK, cSCC, and other type of skin cancer supporting this approach as potential non-invasive diagnosis of AK and cSCC.
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Affiliation(s)
| | - Jakub Pazdrowski
- Department of Head and Neck Surgery, Poznan University of Medical Sciences, Poznan, Poland.,Department of Head and Neck Surgery, The Greater Poland Cancer Centre, Poznan, Poland
| | - Adriana Polańska
- Department of Dermatology and Venereology, Poznan University of Medical Sciences, Poznan, Poland.
| | - Brittany Basta
- College of Medicine, Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL, USA.,Barbara Davis Center for Diabetes, , University of Colorado School of Medicine, Aurora, CO, USA
| | - Augusto Schneider
- Faculdade de Nutrição, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Michał J Kowalczyk
- Department of Dermatology and Venereology, Poznan University of Medical Sciences, Poznan, Poland
| | - Paweł Golusiński
- Department of Otolaryngolgy and Maxillofacial Surgery, University of Zielona Góra, Zielona Góra, Poland.,Department of Maxillofacial Surgey, Poznan University of Medical Sciences, Poznan, Poland
| | - Wojciech Golusiński
- Department of Head and Neck Surgery, Poznan University of Medical Sciences, Poznan, Poland.,Department of Head and Neck Surgery, The Greater Poland Cancer Centre, Poznan, Poland
| | - Zygmunt Adamski
- Department of Dermatology, Poznan University of Medical Sciences, Poznan, Poland
| | - Ryszard Żaba
- Department of Dermatology and Venereology, Poznan University of Medical Sciences, Poznan, Poland
| | - Michal M Masternak
- College of Medicine, Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL, USA
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Ranpariya VK, Muddasani S, Mahon AB, Feldman SR. Frequency of procedural and medical treatments of actinic keratosis. J Am Acad Dermatol 2021; 86:916-918. [PMID: 33757796 DOI: 10.1016/j.jaad.2021.03.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 03/05/2021] [Accepted: 03/15/2021] [Indexed: 10/21/2022]
Affiliation(s)
- Varun K Ranpariya
- Center for Dermatology Research, Department of Dermatology, Wake Forest School of Medicine, Winston-Salem, North Carolina.
| | | | | | - Steven R Feldman
- Center for Dermatology Research, Department of Dermatology, Wake Forest School of Medicine, Winston-Salem, North Carolina; Department of Social Sciences & Health Policy, Wake Forest School of Medicine, Winston-Salem, North Carolina; Department of Dermatology, University of Southern Denmark, Odense, Denmark; Department of Pathology, Wake Forest School of Medicine, Winston-Salem, North Carolina
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