Uvb
Mostrando 1-12 de 298 artigos, teses e dissertações.
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1. UVB irradiation differential regulate miRNAs expression in skin photoaging
Abstract Background: UVB irradiation can cause acute damage such as sunburn, or photoaging and melanoma, all of which are major health threats. Objective: This study was designed to investigate the mechanism of skin photoaging induced by UVB radiation in mice through the analysis of the differential expression of miRNAs. Methods: A UVB irradiation photoag
Anais Brasileiros de Dermatologia. Publicado em: 2022
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2. Distribuição alterada dos filamentos de actina no trigo (Triticum aestivum) “Raiz dobrada” para responder à radiação ultravioleta B aprimorada
Resumo As plantas ajustam o crescimento da parte aérea para se adaptarem a fatores ambientais variáveis, como o aumento da radiação ultravioleta B (UVB). No entanto, as pessoas ignoram que as raízes das plantas também podem responder à luz UVB. Neste estudo, verificamos a morfologia das raízes enroladas de trigo sob radiação UVB, o que chamamos de
Braz. J. Biol.. Publicado em: 2021-09
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3. Phototherapy
Abstract Of all the therapeutic options available in Dermatology, few of them have the history, effectiveness, and safety of phototherapy. Heliotherapy, NB-UVB, PUVA, and UVA1 are currently the most common types of phototherapy used. Although psoriasis is the most frequent indication, it is used for atopic dermatitis, vitiligo, cutaneous T-cell lymphoma, and
An. Bras. Dermatol.. Publicado em: 2021-08
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4. Metastatic urothelial carcinoma
Abstract Of all the therapeutic options available in Dermatology, few of them have the history, effectiveness, and safety of phototherapy. Heliotherapy, NB-UVB, PUVA, and UVA1 are currently the most common types of phototherapy used. Although psoriasis is the most frequent indication, it is used for atopic dermatitis, vitiligo, cutaneous T-cell lymphoma, and
An. Bras. Dermatol.. Publicado em: 2021-08
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5. Evaluation of ex vivo melanogenic response to UVB, UVA, and visible light in facial melasma and unaffected adjacent skin,
Abstract Background: The independent role of solar radiation in the differential melanogenesis between melasma and adjacent skin is unknown. Objectives: To assess the melanogenic responses of skin with facial melasma and of the adjacent skin to UVB, UVA, and visible light, in an ex vivo model. Methods: This was a quasi-experimental study involving 22 pati
An. Bras. Dermatol.. Publicado em: 2020-12
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6. UVB, UVA, and visible light (blue-violet range) transmittance of clothing used in Brazil,
Resumo A adoção do marco teórico marxista nos cursos de Serviço Social configura-se como parte fundamental da contestação ao conservadorismo na prática profissional. Contudo, o cotidiano do fazer profissional, pautado pelos interesses hegemônicos que demandam o trabalho dos assistentes sociais, segue apresentando a contradição entre os limites enco
An. Bras. Dermatol.. Publicado em: 2020-12
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7. Standardization of organoid culture for evaluation of melanogenesis induced by UVB, UVA and visible light,
Abstract Background: Organoid cultures are primary cultures that maintain architectural characteristics and the relationships between cells, as well as the extracellular matrix. They are alternatives for pathophysiological or therapeutic investigation rather than animal and in vitro tests. Objective: Development of a cutaneous organoid culture model, aimin
An. Bras. Dermatol.. Publicado em: 2020-02
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8. Transmittance of UVB, UVA, and visible light (blue-violet) among the main Brazilian commercial opaque sunscreens,
Abstract These are cutaneous diseases caused by insects, worms, protozoa, or coelenterates which may or may not have a parasitic life. In this review the main ethological agents, clinical aspects, laboratory exams, and treatments of these dermatological diseases will be studied.
An. Bras. Dermatol.. Publicado em: 2020-02
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9. Development and characterization of photoprotective formulations containing keratin particles
This work deals with development and evaluation of MFQ protective formulation, which contains two organic filters, namely: octyl-p-methoxycinnamate (OMC) and benzophenone-3 (BP-3); a photostabilizing agent called ethylhexylmethoxycrylene (EHMCR) and keratin particles. The MFQ formulation was evaluated in order to measure its pH, spin-spin lattice relaxation
Braz. J. Pharm. Sci.. Publicado em: 20/12/2019
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10. Leucine-rich glioma inactivated 3: a novel keratinocyte-derived melanogenic cytokine in vitiligo patients
Abstract: Background: In-vitro studies showed that Leucine-rich glioma inactivated 3 (LGI3) is a keratinocyte-derived cytokine that stimulates melanin synthesis and is increased after ultra violet B (UVB) irradiation. So, we postulated that LGI3 may be involved in vitiligo aetiopathogenesis and may participate in narrow band ultra violet B (NB-UVB) induced
An. Bras. Dermatol.. Publicado em: 17/10/2019
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11. Photoprotective activity and increase of SPF in sunscreen formulation using lyophilized red propolis extracts from Alagoas
ABSTRACT The excessive sun exposure, coupled with lack of sun protection represents one of the biggest risks to the occurrence of skin cancer and photoaging. Recent strategies for photoprotection have included the incorporation of natural antioxidant and anti-inflammatory compounds, into sunscreens, and the oral administration of natural antioxidant extracts
Rev. bras. farmacogn.. Publicado em: 26/08/2019
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12. Sun exposure, skin lesions and vitamin D production: evaluation in a population of fishermen
Abstract: Background: Exposure to UVR provides benefits related to vitamin D synthesis, but also causes harms, since UVB is considered a complete carcinogen. There is no definition of the level of sun exposure and the proportion of exposed body required for proper synthesis of vitamin D in the skin without causing it damage. Objectives: This study aims to
An. Bras. Dermatol.. Publicado em: 29/07/2019