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14 Results Found

  • Review
  • Open Access
16 Citations
16,482 Views
29 Pages

Clinical Applications of Polypodium leucotomos (Fernblock®): An Update

  • Azahara Rodríguez-Luna,
  • Alicia Zamarrón,
  • Ángeles Juarranz and
  • Salvador González

5 July 2023

Exposure to sun radiation leads to higher risk of sunburn, pigmentation, immunosuppression, photoaging and skin cancer. In addition to ultraviolet radiation (UVR), recent research indicates that infrared radiation (IR) and visible light (VIS) can pla...

  • Article
  • Open Access
20 Citations
6,160 Views
13 Pages

Formation of Cyclobutane Pyrimidine Dimers after UVA Exposure (Dark-CPDs) Is Inhibited by an Hydrophilic Extract of Polypodium leucotomos

  • Mikel Portillo-Esnaola,
  • Azahara Rodríguez-Luna,
  • Jimena Nicolás-Morala,
  • María Gallego-Rentero,
  • María Villalba,
  • Ángeles Juarranz and
  • Salvador González

7 December 2021

Exposure to sun and especially to ultraviolet radiation (UVR) exerts well known detrimental effects on skin which are implicated in malignancy. UVR induces production of cyclobutane pyrimidine dimers (CPDs), immediately during exposure and even hours...

  • Article
  • Open Access
6 Citations
3,113 Views
17 Pages

Protective Effect of the Hydrophilic Extract of Polypodium leucotomos, Fernblock®, against the Synergistic Action of UVA Radiation and Benzo[a]pyrene Pollutant

  • María Gallego-Rentero,
  • Jimena Nicolás-Morala,
  • Miguel Alonso-Juarranz,
  • Elisa Carrasco,
  • Mikel Portillo-Esnaola,
  • Azahara Rodríguez-Luna and
  • Salvador González

4 November 2022

Oxidative stress is a harmful effect induced on the skin by polycyclic aromatic hydrocarbons (PAH), including benzo[a]pyrene (BaP) air pollutants. This effect is amplified by the additive damaging effect of the sun, especially through the UVA light c...

  • Review
  • Open Access
85 Citations
22,860 Views
21 Pages

Healthier life styles include increased outdoors time practicing sports and walking. This means increased exposure to the sun, leading to higher risk of sunburn, photoaging and skin cancer. In addition to topical barrier products, oral supplementatio...

  • Commentary
  • Open Access
8 Citations
10,389 Views
12 Pages

Uses of Polypodium leucotomos Extract in Oncodermatology

  • Paolo Calzari,
  • Silvia Vaienti and
  • Gianluca Nazzaro

14 January 2023

The effects of UV radiation on the skin and its damage mechanisms are well known. New modalities of exogenous photoprotection have been studied. It was demonstrated that Polypodium leucotomos extract acts as an antioxidant, photoprotectant, antimutag...

  • Article
  • Open Access
34 Citations
7,008 Views
16 Pages

The Aqueous Extract of Polypodium leucotomos (Fernblock®) Regulates Opsin 3 and Prevents Photooxidation of Melanin Precursors on Skin Cells Exposed to Blue Light Emitted from Digital Devices

  • Mikel Portillo,
  • Manuel Mataix,
  • Miguel Alonso-Juarranz,
  • Silvia Lorrio,
  • María Villalba,
  • Azahara Rodríguez-Luna and
  • Salvador González

The effects of sun exposure on the skin and specifically those related to pigmentation disorders are well known. It has recently been shown that blue light leads to the induction of oxidative stress and long-lasting pigmentation. The protective effec...

  • Article
  • Open Access
1 Citations
11,606 Views
14 Pages

2 April 2025

Background/Objectives: Oral photoprotection is gaining attention as a complementary approach to conventional sun protection. This randomized double-blind placebo-controlled study evaluated the effects of an 8-week dietary intervention with a syrup su...

  • Review
  • Open Access
54 Citations
12,629 Views
10 Pages

29 November 2011

Many phytochemicals are endowed with photoprotective properties, i.e., the capability to prevent the harmful effects of excessive exposure to ultraviolet (UV) light. These effects include photoaging and skin cancer, and immunosuppression. Photoprotec...

  • Article
  • Open Access
1 Citations
2,438 Views
19 Pages

Exploring the In Vitro Photoprotective Effect of a Combination of Aspalathus linearis Natural Extracts: First Steps in Developing New Technologies for Photoprotection Strategies

  • Irene Cáceres Estévez,
  • Luisa Haya Rodriguez,
  • Elena Haro Perdiguero,
  • Francisco Javier Moreno Tovar,
  • David Montalvo Lobo,
  • Luis Nieto Botella,
  • Salvador González and
  • Ana López Sánchez

There is a need for new technologies in photoprotection. The negative effects of solar exposure on the skin have been amply demonstrated and there is an urgency for the development of alternative photoprotective approaches. In this respect, natural e...

  • Review
  • Open Access
16 Citations
6,110 Views
17 Pages

Photodynamic therapy (PDT) is a highly effective and widely adopted treatment strategy for many skin diseases, particularly for multiple actinic keratoses (AKs). However, PDT is ineffective in some cases, especially if AKs occur in the acral part of...

  • Systematic Review
  • Open Access
30 Citations
17,572 Views
26 Pages

The Impact of Antioxidants on Vitiligo and Melasma: A Scoping Review and Meta-Analysis

  • Reinhart Speeckaert,
  • Vedrana Bulat,
  • Marijn M. Speeckaert and
  • Nanja van Geel

6 December 2023

Reactive oxygen species (ROS) generated during melanogenesis make melanocytes particularly vulnerable to oxidative stress, influencing their survival and melanin synthesis. Oxidative stress, significantly present in vitiligo and recently also detecte...

  • Article
  • Open Access
41 Citations
5,280 Views
15 Pages

Fernblock Prevents Dermal Cell Damage Induced by Visible and Infrared A Radiation

  • Alicia Zamarrón,
  • Silvia Lorrio,
  • Salvador González and
  • Ángeles Juarranz

Sun overexposure leads to higher risk of photoaging and skin cancer. The contribution of infrared (IR) and visible light (VIS) radiation is currently being taken into account in their pathogenesis. Erythema, hyperpigmentation, genotoxicity or the inc...

  • Article
  • Open Access
15 Citations
5,107 Views
21 Pages

The Combination of Sulforaphane and Fernblock® XP Improves Individual Beneficial Effects in Normal and Neoplastic Human Skin Cell Lines

  • Simona Serini,
  • Roberta Guarino,
  • Renata Ottes Vasconcelos,
  • Leonardo Celleno and
  • Gabriella Calviello

30 May 2020

Plenty of evidence supports the health effects exerted by dietary supplements containing phytochemicals, but the actual efficacy and safety of their combinations have been seldom experimentally evaluated. On this basis, we investigated in vitro the a...

  • Review
  • Open Access
358 Citations
26,251 Views
21 Pages

Mechanisms of Photoaging and Cutaneous Photocarcinogenesis, and Photoprotective Strategies with Phytochemicals

  • Ricardo Bosch,
  • Neena Philips,
  • Jorge A. Suárez-Pérez,
  • Angeles Juarranz,
  • Avani Devmurari,
  • Jovinna Chalensouk-Khaosaat and
  • Salvador González

26 March 2015

Photoaging and photocarcinogenesis are primarily due to solar ultraviolet (UV) radiation, which alters DNA, cellular antioxidant balance, signal transduction pathways, immunology, and the extracellular matrix (ECM). The DNA alterations include UV rad...