Obesity is a chronic multifactorial disease representing a major health problem. Among its consequences, diverse facets of the cutaneous physiology are altered. Some dermatoses are also more prevalent. The most typical ones are acanthosis nigricans, skin tags, signs of hyperandrogeny, striae distensae, stasis acroangiodermatitis, leg ulcers, lymphoedema and intertrigo.
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Lasers Med Sci
January 2025
Departamento de Biofísica e Biometria Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro, Avenida 28 de Setembro, 87, fundos, Vila Isabel, Rio de Janeiro, 20551030, Brazil.
In this article, we aim to evaluate the effects of photobiomodulation on mitochondria quantity, biogenesis, and mitophagy-associated genes in breast cancer (BC) cells. Both models were irradiated with a low-power infrared laser (880 nm, 150 mW) and amber LED (617 nm, 1500 mW), alone or simultaneously. We evaluated the mRNA expression of PINK1 and PGC-1α genes, and the mitochondrial number was assessed based on the ratio of mitochondrial DNA/genomic DNA (mtDNA/gDNA).
View Article and Find Full Text PDFBiomed Microdevices
January 2025
Department of Laboratory Medicine, The Affiliated Hospital of Southwest Medical University, 25 Taiping Street, Luzhou, 646000, Sichuan, People's Republic of China.
Globally, breast cancer is the most frequent type of cancer, and its early diagnosis and screening can significantly improve the probability of survival and quality of life of those affected. Liquid biopsy-based targets such as circulating tumor cells, circulating tumor DNA, and exosomes have been instrumental in the early discovery of cancer, and have been found to be effective in stage therapy, recurrence monitoring, and drug selection. Biosensors based on these target related biomarkers convert the tested substances into quantifiable signals such as electrical and optical signals through signal transduction, which has the advantages of high sensitivity, simple operation, and low invasiveness.
View Article and Find Full Text PDFNeotrop Entomol
January 2025
Integrated Lab of Simuliidae and Onchocerciasis, Medical and Forensic Entomology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil.
Sexual mosaics in Simuliidae members have been detected at low frequencies in various locations worldwide. These phenotypic expressions are expected in very small amounts in any natural insect population and may result from inherent individual formation factors, such as hormonal or external elements, i.e.
View Article and Find Full Text PDFSci Rep
January 2025
The Second Department of Critical Care Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, Anhui, China.
Although tamoxifen is commonly utilized as adjuvant therapy for Estrogen Receptor alpha (ERα)-positive breast cancer patients, approximately 30-50% of individuals treated with tamoxifen experience relapse. Therefore, it is essential to investigate additional factors besides ERα that influence the estrogen response. In this study, cross-analysis of databases were performed, and the results revealed a significant association between LINC00626 and ERα signaling as well as increased expression levels of this gene in tamoxifen-resistant cells.
View Article and Find Full Text PDFSci Rep
January 2025
Division of Hematology and Oncology, University of California, 1450 3rd Street, San Francisco, CA, 94143, USA.
For individuals at high risk of developing breast cancer, interventions to mitigate this risk include surgical removal of their breasts and ovaries or five years treatment with the anti-estrogen tamoxifen or aromatase inhibitors. We hypothesized that a silicone based anti-estrogen-eluting implant placed within the breast would provide the risk reduction benefit of hormonal therapy, but without the adverse effects that limit compliance. To this end, we demonstrate that when placed adjacent to mammary tissue in the 7,12-dimethylbenz[a]anthracene-induced rat breast cancer model a fulvestrant-eluting implant delays breast cancer with minimal systemic exposure.
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