Environmental factors affecting human health are generally classified into physical, chemical and biological factors. In this review article, we focus on ultraviolet (UV) as a physical factor, heavy metals as a chemical factor and Japanese cedar pollens as a biological factor. Since we believe that progress based on both fieldwork research and experimental research is essential in hygiene study, we included the results of both the research approached. We first introduced the mechanism of development of and prevention of UV-mediated skin melanoma in our experimental research after showing our epidemiological research on UV-mediated DNA damage in humans. We then introduced our evaluation of toxicity and development of a remediation system in our experimental research on heavy metals after showing our fieldwork research for the monitoring of drinking water from wells in Asian countries. We finally introduced the results of pathogenic analysis of pollinosis in our clinical study. We would be very happy if young researchers would re-realize the importance of experimental research as well as epidemiological research in hygiene study.
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http://dx.doi.org/10.1265/jjh.70.176 | DOI Listing |
Ann Ital Chir
December 2024
Department of Cardiovascular Surgery, Shaoxing People's Hospital, 312000 Shaoxing, Zhejiang, China.
Aim: To establish a simple, safe, and reproducible animal model of tricuspid regurgitation (TR).
Methods: A self-expanding stent made of nickel-titanium shape memory metal alloy was developed. Ten white pigs were randomized into an experimental group (n = 7) and a control group (n = 3).
Int J Nanomedicine
December 2024
Department of Dermatology, Affiliated Hospital of Shandong Second Medical University, School of Clinical Medicine, Shandong Second Medical University, Weifang, 261031, People's Republic of China.
Background: Melanoma is an aggressive skin tumor with limited therapeutic options due to rapid proliferation, early metastasis, and poor prognosis. Baicalin (BA), a natural flavonoid, shows promise in inducing ferroptosis and apoptosis but faces challenges of poor solubility and bioavailability. To address these issues, we developed a multifunctional drug delivery system: manganese-doped ZIF-8 nanoparticles (ZIF(Mn)) loaded with BA and modified with folic acid (FA) and polyethylene glycol (PEG).
View Article and Find Full Text PDFOxid Med Cell Longev
December 2024
Instituto de Investigaciones Biomédicas, Universidad Nacional Autonoma de Mexico, Mexico, Mexico.
Occupational exposure to arsenic (As), cadmium (Cd), and lead (Pb) affects many sectors, necessitating research to understand their transformation mechanisms. In this study, we characterized the process of epithelial-mesenchymal transition (EMT) in a rat hepatic epithelial cell line with decreased expression of catalase and glutamate cysteine ligase catalytic (GCLC) subunit that was exposed to a mixture of As, Cd, and Pb at equimolar occupational exposure concentrations. We evaluated the expression of genes and proteins involved in EMT.
View Article and Find Full Text PDFLuminescence
December 2024
Department of Chemistry, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, Tamil Nadu, India.
The production of nanoparticles via green methods is a developing study domain due to potential environmental applications. The green synthesis method is very easy, less toxic and eco-friendly when compared to the chemical synthesis method. This study addresses the silver nanoparticle synthesis utilizing the Acorus calamus leaf extract, which was then employed for environmental applications.
View Article and Find Full Text PDFSheng Wu Gong Cheng Xue Bao
December 2024
School of Resource & Environment and Safety Engineering, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China.
Arsenic (As) is a common toxic pollution element. The microorganism-mediated transformation of arsenic forms is an important part in the biogeochemical cycle of As. In the various microbial metabolic processes involving As, the coupling reduction of As has a great impact on the environment and is a process that is easily overlooked.
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