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Probing the Self-Aggregation of l-Tryptophan into Spherical Microstructures and Their Selective Interactions with Bilirubin.
ACS Appl Bio Mater
January 2025
Department of Chemistry, Indian Institute of Technology Palakkad, Palakkad, Kerala 678 623, India.
The aggregation of proteins, peptides and amino acids has been a keen subject of interest owing to their implications in metabolic disorders. In this work, we investigated the self-aggregation of the unmodified aromatic amino acid l-tryptophan (Trp) into unusual spherical microstructures. Using fluorescence spectroscopy and field emission scanning electron microscopy (FE-SEM), we detail the time-dependent transformation of monomeric tryptophan into spherical aggregates with distinct fluorescence characteristics (λ = 345 nm, λ = 430 nm) compared to the monomer.
View Article and Find Full Text PDFAssociation between Sex Hormones and Mood, Cravings and Urges in Males and Females Who Smoke Tobacco.
Nicotine Tob Res
January 2025
Department of Family Medicine and Community Health, University of Minnesota.
Background: Mood influences smoking behavior, with sex and sex hormones potentially complicating these relationships. We explored associations between Profile of Mood States (POMS) and Questionnaire on Smoking Urges (QSU) - Brief with sex hormones in men and women who smoke.
Methods: This is a secondary analysis of treatment non-responders from a smoking cessation randomized trial investigating exogenous progesterone's efficacy.
A Contemporary Insight Into the Seroepidemiology of Herpes Simplex Virus Infection in the Sub-Himalayan Region: Seroepidemiology of HSV Infection in North India.
ScientificWorldJournal
January 2025
Department of Microbiology, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India.
Infection by human herpes simplex virus type 1 and type 2 (HSV-1/2) is common globally though with wide regional variability. Seroepidemiology of HSV-1/2 infections is of utmost importance in formulating control strategies, but there is a paucity of data from many regions of India. This study aimed to determine the prevalence of anti-HSV-1/2 antibodies in Uttarakhand and adjoining areas and to study its pattern and distribution in different subgroups.
View Article and Find Full Text PDFAssociations of reverse triiodothyronine serum levels with anxiety, depression, and health related quality of life after experiencing acute ischemic stroke.
Front Neurol
January 2025
Laboratory of Behavioral Medicine, Neuroscience Institute, Lithuanian University of Health Sciences, Palanga, Lithuania.
Aim: This study intended to explore associations of reverse triiodothyronine (rT3) with emotional disturbances and health-related quality of life (HRQoL) after experiencing acute ischemic stroke (AIS).
Materials And Methods: Serum samples from individuals with AIS were collected on admission to three Lithuania stroke centers and investigated for free tetraiodothyronine, free triiodothyronine (fT3), rT3, and thyroid stimulating hormone levels. At discharge, emotional disturbance was evaluated using the Hospital Depression and Anxiety Scale (HADS), and HRQoL using the EQ-5D-5L scale.
Prenatal bisphenol A and/or diethylhexyl phthalate exposure followed by adult estradiol treatment affects behavior and brain monoamines in female rat offspring.
Front Endocrinol (Lausanne)
January 2025
Biomedical and Translational Sciences Institute, Neuroscience Division, Athens, GA, United States.
Significance: Women are at increased risk for mood disorders, which may be partly attributed to exposure to endocrine-disrupting chemicals (EDCs) during sensitive periods such as pregnancy. Exposure during these times can impact brain development in the offspring, potentially leading to mood disorders in later life. Additionally, fluctuating levels of endogenous estrogens, as seen during pregnancy, or the use of oral contraceptives, can further elevate this risk.
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