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Introduction: Microbiota, composed of micro-organisms like bacteria, viruses, and non-pathogenic fungi, plays a crucial role in digestion, vitamin production, and protection against dangerous microbes. Several factors, including age, diet, alcohol consumption, stress, environmental microorganisms, and therapies (particularly antibiotics), as well as birth and nursing, could modify the microbiota. Recent research has highlighted its alteration and involvement in a various disease, including metabolic syndrome and acne. This systematic review aimed to identify common biomarkers and microbiota alterations shared between metabolic syndrome and acne, and to explore how the potential prebiotic activities of polyphenols may promote intestinal eubiosis. Materials and methods: A comprehensive search in PubMed and EMBASE resulted in 4142 articles, from which nine studies were selected based on specific criteria after removing duplicates and reviewing abstracts and full texts. All studies correlated the microbiota alteration in both pathologies and the activity of polyphenols in metabolic syndrome. Results: This review suggests that acne may be influenced by some of the same microorganisms involved in metabolic syndrome. While the literature highlights the effectiveness of polyphenols in treating metabolic syndrome, no studies have yet demonstrated their specific impact on acne. Conclusions: The research points to the potential benefits of polyphenols in modulating the microbiota, which could be relevant for individuals with metabolic syndrome. However, due to the limited data available, it was not possible to establish a direct correlation between metabolic syndrome and acne. [ABSTRACT FROM AUTHOR]

Heavy metals (HMs) are natural elements present in the Earth's crust, characterised by a high atomic mass and a density more than five times higher than water. Despite their origin from natural sources, extensive usage and processing of raw materials and their presence as silent poisons in our daily products and diets have drastically altered their biochemical balance, making them a threat to the environment and human health. Particularly, the food chain polluted with toxic metals represents a crucial route of human exposure. Therefore, the impact of HMs on human health has become a matter of concern because of the severe chronic effects induced by their excessive levels in the human body. Chelation therapy is an approved valid treatment for HM poisoning; however, despite the efficacy demonstrated by chelating agents, various dramatic side effects may occur. Numerous data demonstrate that dietary components and phytoantioxidants play a significant role in preventing or reducing the damage induced by HMs. This review summarises the role of various phytochemicals, plant and herbal extracts or probiotics in promoting human health by mitigating the toxic effects of different HMs. [ABSTRACT FROM AUTHOR]

Opuntia ficus-indica (L.) Mill. (OFI) is a plant with numerous beneficial properties known in traditional medicine. It has been a domesticated plant in Latin America, Africa, Mediterranean countries, the Middle East, India and Australia. Nowadays, the research concentrates on natural compounds to lower costs and the possible side effects of synthetic compounds. The use of nutraceuticals, bioactive compounds of vegetable origin with important nutritional values, is encouraged. OFI has shown numerous activities due to its high content of antioxidants, including flavonoids and ascorbate, pigments, carotenoids and betalains, phenolic acids and other phytochemical components, such as biopeptides and soluble fibers. The most important effects of OFI are represented by the activity against acne, arthrosis, dermatosis, diabetes, diarrhea, fever, high blood pressure, prostatitis, rheumatism, stomachache, tumor, wart, allergy, wound, colitis and some viral diseases. Moreover, a promising role has been suggested in inflammatory bowel disease, colitis and metabolic syndrome. The most recent studies addressed the role of OFI in preventing and treating COVID-19 disease. In light of the above, this review summarizes the biological activities and health benefits that this plant may exert., (Copyright© Bentham Science Publishers; For any queries, please email at epub@benthamscience.net.)

Background: The role of heavy metals in carcinogenetic process has been widely established; however, information on the most common environmental metals that serve as major risk factors for actinic keratosis (AK)/non-melanoma skin cancer (NMSC) are still lacking. The aim of this study was to evaluate levels of the most common environmental heavy metals in hair of patients with AK/NMSC as compared to healthy controls., Methods: Thirty-one patients diagnosed with AK/NMSC and 34 healthy controls were enrolled. Patients were interviewed for heavy metals exposure and underwent hair analysis for detection of arsenic (As), cadmium (Cd), chromium (Cr), nickel (Ni) and lead (Pb). Continuous variables were analyzed using Wilcoxon Non-Parametric Rank Test and proportions were compared by Fisher's Exact Test. Statistical significance was determined by P<0.05., Results: In our cohort we observed 48.4% patients had AKs, 16.1% basal cell carcinoma (BCC), 9.7% squamous cell carcinoma (SCC) and 25.9% of patients presented with a combination of these lesions. There were significantly elevated levels of As and Cr in AK-NMSC group as compared to controls., Conclusions: We identified a strong positive correlation between As and Cr concentration and AK/NMSC adding new clues to the scenery of NMSC risk factors that should be taken under consideration in exposed populations.

Background: Topical oxygen therapy is a cosmetic procedure that is becoming more and more popular in dermatology; however, only a few articles on this topic are present in the literature. In this work we report our group experience with oxygen therapy as an adjuvant treatment in various dermatological conditions., Methods: Four studies were conducted. In the first study we used vehiculated oxygen therapy for diseases that cause hair loss. In the second study oxygen was used in the treatment of mild acne. In the third study moderate acne was treated with topical oxygen. In the fourth study chronic dermatological conditions such as psoriasis and atopic dermatitis were treated with this procedure., Results: In studies 1 and 2 the outcomes in groups who used topical oxygen therapy as an adjuvant treatment were better than in the groups that did not use it. Studies 3 and 4 also showed very good results, but no control groups were present in the study., Conclusion: Topical oxygen therapy was useful in the treatment of hair loss conditions, mild and moderate acne, and in chronic cutaneous diseases, showing effectiveness as a support therapy in all of these conditions. Further and larger studies should be conducted to better evaluate its effectiveness in dermatological conditions., Competing Interests: Competing interests: The authors have no conflicts of interest to disclose.