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Cuestas D, Gómez A, Neri Morales C, Motta A, Rolon M, Suarez S, Polo R. Acquired epidermodysplasia verruciformis syndrome in HIV-infected patients: a systematic review. Arch Dermatol Res 2024; 316:471. [PMID: 39001899 PMCID: PMC11246255 DOI: 10.1007/s00403-024-03016-x] [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: 04/08/2024] [Revised: 04/08/2024] [Accepted: 04/26/2024] [Indexed: 07/15/2024]
Abstract
Congenital epidermodysplasia verruciformis (CEV) is a Genodermatosis linked to different inheritance patterns and mutations of the EVER1/TMC6 and EVER2/TMC8 genes. There is an acquired form (AEV) associated with immunodeficiency states, including human immunodeficiency virus (HIV) infection; however, the literature about AEV is limited and imprecise, so a systematic review was performed. A search of the main databases from 1975 to 2021 identified 126 studies, of which 80 met the inclusion criteria. The diagnosis of AEV is complex due to atypical manifestations and locations, it requires a mean follow-up of 7 years, and the lesions do not change with ART therapy, CD4 count, or viral load. Histopathological findings are variable depending on the location of the lesions. HPV 5 remains the serotype most frequently associated with AEV and CEV, although HPV 20 is more frequent than HPV 8 in AEV. Most treatments have low efficacy, the most described are glycolic acid 15%, 5-fluorouracil 5%, imiquimod 5%, and topical retinoids all of them in monotherapy or combined with cryotherapy. Other alternatives include topical cidofovir and systemic retinoids with variable results. The oncologic prognosis is still inconclusive; however, the development of squamous cell carcinoma and melanoma are frankly lower concerning CEV. This review opens new opportunities for future research. Additionally, we provide clear and useful key points for the practice of dermatologists and all professionals treating HIV patients around the world.
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Affiliation(s)
- Daniel Cuestas
- Universidad de La Sabana, Campus Puente Común Km. 7, Autopista Norte de Bogotá, Chía, Colombia.
- Estudioderma - Dermatologic Investigation Center - Medical Research Area, Bogotá, Colombia.
- Dermatology Department, Universidad el Bosque, Bogotá, Colombia.
| | - Alexa Gómez
- Estudioderma - Dermatologic Investigation Center - Medical Research Area, Bogotá, Colombia
- Universidad del Sinú, Cartagena, Colombia
| | - Constanza Neri Morales
- Universidad de La Sabana, Campus Puente Común Km. 7, Autopista Norte de Bogotá, Chía, Colombia
- Estudioderma - Dermatologic Investigation Center - Medical Research Area, Bogotá, Colombia
| | - Adriana Motta
- Dermatology Department, Universidad el Bosque, Bogotá, Colombia
| | - Mariam Rolon
- Dermatology Department, Universidad el Bosque, Bogotá, Colombia
| | - Samanda Suarez
- Estudioderma - Dermatologic Investigation Center - Medical Research Area, Bogotá, Colombia
- Universidad de los Andes, Bogotá, Colombia
| | - Rosa Polo
- Universidad Rey Juan Carlos, Madrid, Spain
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Pacheco-García U, Varela-López E, Serafín-López J. Immune Stimulation with Imiquimod to Best Face SARS-CoV-2 Infection and Prevent Long COVID. Int J Mol Sci 2024; 25:7661. [PMID: 39062904 PMCID: PMC11277483 DOI: 10.3390/ijms25147661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 07/04/2024] [Accepted: 07/08/2024] [Indexed: 07/28/2024] Open
Abstract
Through widespread immunization against SARS-CoV-2 prior to or post-infection, a substantial segment of the global population has acquired both humoral and cellular immunity, and there has been a notable reduction in the incidence of severe and fatal cases linked to this virus and accelerated recovery times for those infected. Nonetheless, a significant demographic, comprising around 20% to 30% of the adult population, remains unimmunized due to diverse factors. Furthermore, alongside those recovered from the infection, there is a subset of the population experiencing persistent symptoms referred to as Long COVID. This condition is more prevalent among individuals with underlying health conditions and immune system impairments. Some Long COVID pathologies stem from direct damage inflicted by the viral infection, whereas others arise from inadequate immune system control over the infection or suboptimal immunoregulation. There are differences in the serum cytokines and miRNA profiles between infected individuals who develop severe COVID-19 or Long COVID and those who control adequately the infection. This review delves into the advantages and constraints associated with employing imiquimod in human subjects to enhance the immune response during SARS-CoV-2 immunization. Restoration of the immune system can modify it towards a profile of non-susceptibility to SARS-CoV-2. An adequate immune system has the potential to curb viral propagation, mitigate symptoms, and ameliorate the severe consequences of the infection.
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Affiliation(s)
- Ursino Pacheco-García
- Department of Cardio-Renal Pathophysiology, Instituto Nacional de Cardiología “Ignacio Chávez”, Mexico City 14080, Mexico
| | - Elvira Varela-López
- Laboratory of Translational Medicine, Instituto Nacional de Cardiología “Ignacio Chávez”, Mexico City 14080, Mexico;
| | - Jeanet Serafín-López
- Department of Immunology, Escuela Nacional de Ciencias Biológicas (ENCB), Instituto Politécnico Nacional (IPN), Mexico City 11340, Mexico;
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Kinariwalla N, Coromilas AJ, Garzon MC, Levin LE, Magro C, Lauren CT. Acquired epidermodysplasia verruciformis (AEV) in three children after cardiac transplantation: A case series and review of the literature. Pediatr Dermatol 2021; 38:1541-1545. [PMID: 34669978 DOI: 10.1111/pde.14701] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Acquired epidermodysplasia verruciformis (AEV) describes epidermodysplasia verruciformis developing in an immunocompromised host. There is limited information in the literature regarding AEV in the pediatric population; of the patients reported, most patients described had HIV, with only two reported cases of children who developed AEV post-transplantation. This case series describes three pediatric patients who developed AEV on immunosuppressant therapy following cardiac transplantation. We review risk factors, treatment options, and prognosis of AEV in the pediatric population.
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Affiliation(s)
- Neha Kinariwalla
- Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Alexandra J Coromilas
- Department of Dermatology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Maria C Garzon
- Department of Dermatology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA.,Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Laura E Levin
- Department of Dermatology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Cynthia Magro
- Department of Pathology, Weill Cornell Medical College, New York, NY, USA
| | - Christine T Lauren
- Department of Dermatology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA.,Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
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Re-evaluation of epidermodysplasia verruciformis: Reconciling more than 90 years of debate. J Am Acad Dermatol 2017; 76:1161-1175. [PMID: 28196644 DOI: 10.1016/j.jaad.2016.12.035] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 12/18/2016] [Accepted: 12/21/2016] [Indexed: 12/31/2022]
Abstract
Epidermodysplasia verruciformis (EV) is a rare genodermatosis characterized by abnormal susceptibility to cutaneous human beta-papillomavirus infections causing persistent flat warts or pityriasis versicolor-like lesions. This generalized verrucous skin disorder resembles generalized verrucosis, but these 2 conditions are distinguished by differences in clinical manifestation and the human papillomavirus types involved. A breakthrough in our understanding of EV was the discovery that homozygous inactivating mutations in TMC6 (EVER1) and TMC8 (EVER2) determine susceptibility to this disorder; however, they have not solved all EV cases fully. These deficiencies account for 75% of affected individuals, leaving a substantial number of patients without an underlying genetic cause. Recently, it has been revealed that mutations in additional genes (RHOH, MST-1, CORO1A, and IL-7) result in extensive human beta-papillomavirus replication and therefore manifest with an EV-like phenotype. The term "acquired EV" is used to describe an EV-like phenotype that develops in immunocompromised hosts, and the introduction of this entity further aggravates the confusion. Reevaluation of these entities is warranted. Here, we review the available data on this issue, provide up to date information on the major characteristics that differentiate between these seemingly clinically similar disorders, and highlight the different mechanisms involved in each disorder.
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Champagne C, Moore L, Reule R, Dyer JA, Rady P, Tyring SK, North JP. Cornoid Lamella-Like Structures in HIV-Associated Epidermodysplasia Verruciformis: A Unique Histopathologic Finding. Am J Dermatopathol 2015; 37:929-32. [PMID: 26588337 PMCID: PMC4894799 DOI: 10.1097/dad.0000000000000325] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Epidermodysplasia verruciformis (EV) is an uncommon inherited skin condition with increased vulnerability to widespread infection by certain human papillomavirus types, resulting in extensive verruca plana-like papules coalescing to large confluent plaques. Since the AIDS epidemic starting in the 1980s, an acquired type of EV has been described in patients infected with human immunodeficiency virus. The histopathologic features of EV consist of papillated epidermal hyperplasia with hypergranulosis and a distinct bluish-gray color in the large human papillomavirus-infected keratinocytes in the stratum granulosum. The authors present a case of HIV-associated EV with a unique histopathologic finding of multiple cornoid lamella-like structures. To the authors' knowledge, this finding has not been previously described in the literature.
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Affiliation(s)
| | - Lindsey Moore
- Department of Dermatology, University of Missouri, Columbia, MO
| | - Ross Reule
- Department of Dermatology, University of Missouri, Columbia, MO
| | | | - Peter Rady
- Department of Dermatology, Laboratory for Molecular Studies in Mucocutaneous Diseases, University of Texas Health Science Center at Houston, Houston, TX; and
| | - Stephen K. Tyring
- Department of Dermatology, Laboratory for Molecular Studies in Mucocutaneous Diseases, University of Texas Health Science Center at Houston, Houston, TX; and
| | - Jeffrey P. North
- Departments of Dermatology, and
- Pathology, University of California, San Francisco, San Francisco, CA
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Horton JS, Stokes AJ. The transmembrane channel-like protein family and human papillomaviruses: Insights into epidermodysplasia verruciformis and progression to squamous cell carcinoma. Oncoimmunology 2014; 3:e28288. [PMID: 24800179 PMCID: PMC4006860 DOI: 10.4161/onci.28288] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Revised: 02/13/2014] [Accepted: 02/19/2014] [Indexed: 12/25/2022] Open
Abstract
Epidermodysplasia verruciformis (EV) is a rare genodermatosis characterized by increased sensitivity to infection by the β-subtype of human papillomaviruses (β-HPVs), causing persistent, tinea versicolor-like dermal lesions. In a majority of affected individuals, these macular lesions progress to invasive cutaneous squamous cell carcinoma (CSCC) in sun-exposed areas. While mutations in transmembrane channel-like 6 (TMC6 / EVER1) and 8 (TMC8 / EVER2) have been causally linked to EV, their molecular functions are unclear. It is likely that their protective effects involve regulation of the β-HPV life cycle, host keratinocyte apoptosis vs. survival balance and/or T-cell interaction with infected host cells.
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Affiliation(s)
- Jaime S Horton
- Laboratory of Experimental Medicine; John A. Burns School of Medicine; Honolulu, HI USA ; Department of Cell and Molecular Biology; John A. Burns School of Medicine; Honolulu, HI USA
| | - Alexander J Stokes
- Laboratory of Experimental Medicine; John A. Burns School of Medicine; Honolulu, HI USA ; Department of Cell and Molecular Biology; John A. Burns School of Medicine; Honolulu, HI USA ; Chaminade University; Honolulu, HI USA
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Castro-Perez G, Sorin I, Bravo A, Mazzuoccolo L. Acquired Epidermodysplasia Verruciformis in a Patient With Congenital HIV Infection. ACTAS DERMO-SIFILIOGRAFICAS 2013. [DOI: 10.1016/j.ad.2012.10.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
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Zampetti A, Giurdanella F, Manco S, Linder D, Gnarra M, Guerriero G, Feliciani C. Acquired Epidermodysplasia Verruciformis: A Comprehensive Review and a Proposal for Treatment. Dermatol Surg 2013; 39:974-80. [DOI: 10.1111/dsu.12135] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Lowe SM, Katsidzira L, Meys R, Sterling JC, de Koning M, Quint W, Nathoo K, Munyati S, Ndhlovu CE, Salisbury JR, Bunker CB, Corbett EL, Miller RF, Ferrand RA. Acquired epidermodysplasia verruciformis due to multiple and unusual HPV infection among vertically-infected, HIV-positive adolescents in Zimbabwe. Clin Infect Dis 2012; 54:e119-23. [PMID: 22474219 PMCID: PMC3334361 DOI: 10.1093/cid/cis118] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND We have previously described the presentation of epidermodysplasia verruciformis (EV)-like eruptions in almost a quarter of hospitalized adolescents with vertically-acquired human immunodeficiency virus (HIV) infection in Harare, Zimbabwe, a region with a high prevalence of HIV infection. METHODS We performed a clinical case note review and skin biopsy from affected sites in 4 HIV-infected adolescents with EV-like lesions in Harare. Biopsies were processed for histology and for human papillomavirus (HPV) typing. RESULTS All patients had long-standing skin lesions that pre-dated the diagnosis of HIV by several years. The histology of skin biopsies from all patients was consistent with EV. In each biopsy, EV-associated β-HPV type 5 was identified (additionally, type 19 was found in 1 biopsy). Cutaneous wart-associated HPV types 1 and 2 were detected in all biopsies, together with genital lesion-associated HPV types 6, 16, and 52, (as well as ≥3 other genital lesion-associated HPV types). Despite immune reconstitution with combination antiretroviral therapy (cART), there was no improvement in EV-like lesions in any patient. CONCLUSIONS EV is a disfiguring and potentially stigmatizing condition among this patient group and is difficult to treat; cART appears to have no impact on the progression of skin disease. Among adolescents with longstanding HIV-induced immunosuppression and with high levels of sun exposure, close dermatological surveillance for potential skin malignancy is required.
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Affiliation(s)
- S M Lowe
- Biomedical Research and Training Institute, University of Zimbabwe, Harare, Zimbabwe.
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Generalized verrucosis: A review of the associated diseases, evaluation, and treatments. J Am Acad Dermatol 2012; 66:292-311. [DOI: 10.1016/j.jaad.2010.12.011] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2010] [Revised: 12/02/2010] [Accepted: 12/10/2010] [Indexed: 12/23/2022]
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New human papillomavirus (HPV) types involved in epidermodysplasia verruciformis (EV) in 3 HIV-infected patients: response to topical cidofovir. J Am Acad Dermatol 2011; 65:e43-e45. [PMID: 21763546 DOI: 10.1016/j.jaad.2010.04.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2009] [Revised: 04/15/2010] [Accepted: 04/22/2010] [Indexed: 11/24/2022]
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12
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Skin disease among human immunodeficiency virus-infected adolescents in Zimbabwe: a strong indicator of underlying HIV infection. Pediatr Infect Dis J 2010; 29:346-51. [PMID: 19940800 PMCID: PMC3428906 DOI: 10.1097/inf.0b013e3181c15da4] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Southern Africa is witnessing the emergence of an epidemic of long-term survivors of vertically acquired human immunodeficiency virus (HIV) infection presenting with untreated HIV as adolescents. Dermatologic conditions, common in both HIV-infected adults and children, have not been described in this age-group. We investigated the prevalence and spectrum of skin conditions in adolescents admitted to hospitals in Zimbabwe. METHODS A total of 301 consecutive adolescents admitted to 2 central Harare hospitals, underwent a dermatologic examination. Clinical history, HIV serology, and CD4 lymphocyte counts were obtained. Herpes simplex virus-2 serology was used as a surrogate marker for sexual activity. RESULTS : A total of 139 (46%) patients were HIV-1 antibody positive, of whom only 2 (1.4%) were herpes simplex virus-2 antibody positive. The prevalence of any skin complaint among HIV-infected and uninfected participants was 88% and 14%, respectively (odds ratio: 37.7, 95% confidence interval: 19.4-72). The most common HIV-related conditions were pruritic papular eruptions (42%) and plane warts >5% of body area (24%). Having 3 or more skin conditions, a history of recurrent skin rashes and angular cheilitis were each associated with CD4 counts <200 cells/microL (P < 0.03, P < 0.01, and P < 0.05, respectively). CONCLUSIONS Skin disease was a common and striking feature of underlying HIV-infection in hospitalized HIV-infected adolescents in Zimbabwe. In resource-poor settings with maturing epidemics, the presence of skin disease should be regarded as a strong indication for HIV testing and especially as it may reflect advanced immunosuppression. The high frequency of multiple plane warts has not previously been described, and may be a feature that distinguishes vertically-infected from horizontally-infected adolescents.
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Rogers HD, Macgregor JL, Nord KM, Tyring S, Rady P, Engler DE, Grossman ME. Acquired epidermodysplasia verruciformis. J Am Acad Dermatol 2009; 60:315-20. [PMID: 19150275 DOI: 10.1016/j.jaad.2008.08.035] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2008] [Revised: 08/15/2008] [Accepted: 08/25/2008] [Indexed: 11/28/2022]
Abstract
Epidermodysplasia verruciformis (EV) is a rare autosomal recessive genodermatosis with an increased susceptibility to specific human papillomavirus (HPV) genotypes. Classically, this viral infection leads to the development of tinea versicolor-like macules on the trunk, neck, arms, and face during childhood, and over time, these lesions can progress to squamous cell carcinoma. More recently, an EV-like syndrome has been described in patients with impaired cell-mediated immunity. We describe two cases of EV-like syndrome in HIV-positive patients, review all previously reported cases of EV in patients with impaired cell-mediated immunity, introduce the term "acquired epidermodysplasia verruciformis" to describe EV developing in the immunocompromised host and examine the limited treatment options for these patients.
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Affiliation(s)
- Heather D Rogers
- Department of Dermatology, Columbia University Medical Center, New York, New York, USA.
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De Gusmão Nunes M, Azevedo-E-Silva M, Gonçalves CP, Trope BM, Oliveira LDHDS, Ramos-E-Silva M. Human papillomavirus detection and typification in cutaneous and mucosal lesions of HIV-seropositive patients. Int J STD AIDS 2008; 19:611-6. [DOI: 10.1258/ijsa.2007.007224] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Summary: High-risk human papillomavirus (HPV) in a lesion is related to an increased chance of neoplasic transformation, especially when with immunosuppression, as in HIV infection. We investigated HPV frequency in cutaneous and mucosal lesions of HIV-seropositive male patients. The frequency of malignancy, its association with the HPV type detected and some clinical variables were also assessed. A total of 38 lesions from 27 patients were studied in a period of 18 months. The biopsied fragment was submitted to HPV detection and typification, through polymerase chain reaction with generic (MY09/11) and specific (types 6, 11, 16 and 18) primers. HPV frequency was 63.2%, with detection of HPV types 6, 11 or 16 in 18 lesions and with multi-infection in three. There was low detection of high-risk HPV (type 16, 18.4%) and no HPV type 18. Of the lesions, 36.8% were already premalignant or malignant, and the frequency of moderate or severe dysplasia was higher in the study patients than that described in the HIV-seronegative population. High-risk HPV (type 16) was detected in four benign lesions and low-risk HPV (type 6) in three premalignant genital lesions. There was no significant association between the clinical variables and an increase in the prevalence of premalignant or malignant lesions.
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Affiliation(s)
- Mariana De Gusmão Nunes
- Sector of Dermatology and Post Graduation course in Dermatology, Universidade Federal do Rio de Janeiro, Rio de Janeiro
| | - Melissa Azevedo-E-Silva
- Sector of Dermatology and Post Graduation course in Dermatology, Universidade Federal do Rio de Janeiro, Rio de Janeiro
| | - Carolina Pereira Gonçalves
- Sector of Dermatology and Post Graduation course in Dermatology, Universidade Federal do Rio de Janeiro, Rio de Janeiro
| | - Beatriz Moritz Trope
- Sector of Dermatology and Post Graduation course in Dermatology, Universidade Federal do Rio de Janeiro, Rio de Janeiro
| | | | - Marcia Ramos-E-Silva
- Sector of Dermatology and Post Graduation course in Dermatology, Universidade Federal do Rio de Janeiro, Rio de Janeiro
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Host Defenses Against Human Papillomaviruses: Lessons from Epidermodysplasia Verruciformis. Curr Top Microbiol Immunol 2008; 321:59-83. [DOI: 10.1007/978-3-540-75203-5_3] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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Kroft EBM, Melchers WJG, Blokx WAM, de Hoop D, Warris A. A generalized skin eruption in a human immunodeficiency virus-infected boy. J Eur Acad Dermatol Venereol 2007; 22:896-7. [PMID: 18081749 DOI: 10.1111/j.1468-3083.2007.02529.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abstract
Infection by human immunodeficiency virus (HIV) is associated with an increased risk of certain tumours, particularly Kaposi's sarcoma, non-Hodgkin's lymphomas and cervical cancer. However, the incidence of these tumours in HIV-infected patients has decreased significantly since the widespread use of highly active antiretroviral therapy (HAART). This effect cannot be solely explained by the ability of these drugs to suppress HIV replication and thereby reconstitute the immune system. Recent studies have shown that inhibitors of the HIV aspartyl protease, which are widely used in HAART, have direct anti-angiogenic and antitumour effects that are unrelated to their antiviral activity. So these drugs might be used to treat cancer in patients who are not infected with HIV.
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Affiliation(s)
- Paolo Monini
- AIDS Division, Department of Infectious, Parasitic and Immune Mediated Diseases, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy
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