Purpose: To investigated the effects of exposure to an 1800 MHz electromagnetic field (EMF) on bone development during the prenatal period in rats.
Methods: Pregnant rats in the experimental group were exposed to radiation for six, 12, and 24 hours daily for 20 days. No radiation was given to the pregnant rats in the control group. We distributed the newborn rats into four groups according to prenatal EMF exposure as follows: Group 1 was not exposed to EMF; groups 2, 3, and 4 were exposed to EMF for six, 12, and 24 hours a day, respectively. The rats were evaluated at the end of the 60th day following birth.
Results: Increasing the duration of EMF exposure during the prenatal period resulted in a significant reduction of resting cartilage levels and a significant increase in the number of apoptotic chondrocytes and myocytes. There was also a reduction in calcineurin activities in both bone and muscle tissues. We observed that the development of the femur, tibia, and ulna were negatively affected, especially with a daily EMF exposure of 24 hours.
Conclusion: Bone and muscle tissue development was negatively affected due to prenatal exposure to 1800 MHz radiofrequency electromagnetic field.
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http://dx.doi.org/10.1590/S0102-865020160020000001 | DOI Listing |
Nat Commun
December 2024
Department of Chemistry, University of Western Ontario, London, Ontario, N6A 5B7, Canada.
Metal-organic frameworks (MOFs) are a class of porous materials that are of topical interest for their utility in water-related applications. Nevertheless, molecular-level insight into water-MOF interactions and MOF hydrolytic reactivity remains understudied. Herein, we report two hydrolytic pathways leading to either structural stability or framework decomposition of a MOF (ZnMOF-1).
View Article and Find Full Text PDFOpen Vet J
November 2024
Department of Biology, College of Education for Women, University of Tikrit, Tikrit, Iraq.
Background: Long-term exposure to LTE signals at different frequencies has become a crucial problem in our daily life.
Aim: The aim of the study to figure out the thermal influence of LTE signals (850 MHz, 1800 MHz, and 2600 MHz) on hematological values in rat's model during different periods.
Methods: Forty adult male rats were randomly distributed into four equal groups (control, 850 MHz, 1800 MHz, and 2600 MHz exposure groups).
Eur Heart J Open
November 2024
Division of Pulmonary, Critical Care, and Sleep Medicine, College of Medicine-Jacksonville, University of Florida, 653-1 West 8th Street, L20 Jacksonville, FL 32209, USA.
Electronic cigarette (EC) is widely advertised as a safe alternative to traditional cigarette (TC). We aimed to investigate the cardiovascular effect of EC with/without nicotine compared with TC. We systematically searched PubMed/MEDLINE, EMBASE, and Cochrane CENTRAL for randomized controlled trials that compared the effect of different smoking modalities on cardiovascular function up to 1 October 2024.
View Article and Find Full Text PDFClin Pharmacokinet
December 2024
Clinical Pharmacology, AbbVie Inc., Dept R4PK, Bldg AP31-3, 1 North Waukegan Road, North Chicago, IL, 60064-1802, USA.
Background And Objective: The objective of this study was to characterize the effects of risankizumab on the pharmacokinetics of cytochrome P450 (CYP) 1A2, CYP2C9, CYP2C19, CYP2D6, and CYP3A substrates in patients with moderately to severely active Crohn's disease (CD) or ulcerative colitis (UC) using a cocktail approach.
Methods: Patients with CD or UC (n = 20) received single doses of probe substrates for CYP1A2 (caffeine 100 mg), CYP2C9 (warfarin 10 mg), CYP2C19 (omeprazole 20 mg), CYP2D6 (metoprolol 50 mg), and CYP3A (midazolam 2 mg) before and after intravenous infusions of risankizumab 1800 mg once every 4 weeks for four doses. Serial blood samples were collected for determination of concentrations of the CYP probe drugs and metabolites with and without risankizumab.
Parasit Vectors
December 2024
Malaria and Neglected Tropical Diseases Research Division, Armauer Hansen Research Institute, Addis Ababa, Ethiopia.
Background: Ethiopia continues to grapple with a persistent malaria burden, characterized by ongoing transmission and recurrent outbreaks. Human behavior influences both malaria exposure and the effectiveness of vector interventions, complicating malaria control efforts. Implementing tailored strategies that account for the complex interplay between human activities and vector behavior remains a challenge in both high- and low-transmission areas in Ethiopia, particularly for vulnerable highland populations and temporary labor migrants, due to lack of data.
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