: This study provides a model for studying the mechanism(s) responsible for the nervous tissue damage and misfunctioning that occurred due to oral nicotine exposure, considered a stress factor, during the presence of Ehrlich ascites carcinoma bearing in the mouse model (EAC). The mitigating role of ) against nicotine-induced brain damage was evaluated. : Eighty Swiss female mice were classified into four groups, these were the control, the group, the nicotine group(100 µg/kg), and the combination group. Oxidant/antioxidant status, proinflammatory cytokines levels, DNA damage, quantitative microscopical lesions, and Caspase 3, Bcl-2 proteins were assessed in the current study. Levels of dopamine (DA) and gamma-aminobutyric acid (GABA) were also evaluated. : Nicotine was found to cause pronounced neurobehavioral alterations, increase the mortalities oxidative stress DNA damage, and augment the inflammatory response in brain tissue alongside the microstructural alteration. The administration of with nicotine in EAC-bearing mice rescued the detrimental effects of nicotine. : aids in reducing the harmful effects of nicotine and returns the conditions caused by nicotine to near-control levels. Thus, we are in favor of giving it to cancer patients who are taking daily dosages of nicotine even by smoking cigarettes or being exposed to second-hand smoke.
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http://dx.doi.org/10.3390/biology11020279 | DOI Listing |
Orthopadie (Heidelb)
December 2024
Klinik für Orthopädie und Unfallchirurgie, Zentralklinik Bad Berka, Robert-Koch-Allee 9, 99438, Bad Berka, Deutschland.
Excessive consumption of nicotine and alcohol has been proven to effect the organ system. Both stimulants are consumed in the population to a not insignificant extent. The question therefore arises as to what effect the consumption of nicotine and alcohol has on the complication rates and to what extent this should be reduced or stopped before performing a joint arthroplasty? A literature search was carried out to answer these questions.
View Article and Find Full Text PDFSci Rep
December 2024
Cancer Center, The First Hospital of Jilin University, Changchun, 130021, China.
Periodontitis is closely related to lifestyle habits. Our objective was to examine the relationship between the Life's Essential 8 (LE8) and the prevalence of periodontitis in American adults. This study used data from the 2009-2014 National Health and Nutrition Examination Survey (NHANES).
View Article and Find Full Text PDFSci Rep
December 2024
College of Agronomy, Hunan Agricultural University, Changsha, 410128, China.
To investigate the structural and functional similarities of microbial communities in burnt-sweetness alcoholized tobacco as a function of distance from the equator and their effects on tobacco quality, we sampled alcoholized tobacco from Chenzhou, Hunan Province, China and from Brazil and Zimbabwe, which are also burnt-sweetness-type tobacco producing regions, and performed high-throughput sequencing of tobacco bacterial and fungal communities along with an analysis of the main chemical constituents of the tobacco to analyze differences in the quality of the tobacco and similarities in the structure of the microbial communities. The total nitrogen, nicotine and starch contents of Chenzhou tobacco were greater than those of Brazilian and Zimbabwean tobacco, and the total sugar and reducing sugar contents of the Brazilian and Zimbabwean tobacco were greater than those of the Chenzhou tobacco (P < 0.05).
View Article and Find Full Text PDFDrug Alcohol Depend
December 2024
UCSF Division of General Internal Medicine, University of California, San Francisco, CA, USA; Division of General Internal Medicine, San Francisco General Hospital, University of California, San Francisco, CA, USA. Electronic address:
Introduction: The prevalence of tobacco use among people experiencing homelessness is 70 %. Mental health and substance use disorders are associated with tobacco use and pose challenges for tobacco cessation.
Methods: Between 2019 and 2024, we recruited 206 adults experiencing homelessness from three homeless shelters in San Francisco, California.
JAMA Health Forum
December 2024
Department of Health Policy and Management, Yale School of Public Health, New Haven, Connecticut.
Importance: More than one-quarter of US residents live in states or localities that restrict sales of flavored electronic nicotine delivery systems (ENDS), often as a means to reduce youth vaping. Yet, how these policies affect young adult vaping and smoking remains unclear.
Objective: To estimate the effects of ENDS flavor restrictions on ENDS use and cigarette smoking among young adults (age 18-29 years) in the US.
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