It is indicated that with age there is a growing tendency to formation of bile calculi. Women over 55 years of age are most frequently involved. The author suggests that this occurs due to endocrine changes during the climacteric period.
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Normal variations of myocardial T1, T2 and T2* values at 1.5 T cardiac MRI in sex-matched healthy volunteers.
Diagn Interv Imaging
January 2025
UFR Santé INSERM U1096, Rouen 76183, France; Department of Radiology and Medical Imaging (Cardiac Imaging Unit), CHU de Rouen Normandie, Hôpital Charles Nicolle, University of Rouen Normandie, Rouen 76000, France. Electronic address:
Purpose: The purpose of this study was to determine the normal variations of myocardial T1, T2, and T2* relaxation times on cardiac MRI obtained at 1.5 T in healthy, sex-balanced volunteers aged between 18 and 69 years.
Material And Methods: A total of 172 healthy volunteers were recruited prospectively.
Integrative deep immune profiling of the elderly reveals systems-level signatures of aging, sex, smoking, and clinical traits.
EBioMedicine
January 2025
Institute of Immunology, Hannover Medical School, Hannover, Germany; Cluster of Excellence RESIST (EXC 2155), Hannover Medical School, Hannover, Germany; German Centre for Infection Research, Partner Site Hannover-Braunschweig, Hannover, Germany. Electronic address:
Background: Aging increases disease susceptibility and reduces vaccine responsiveness, highlighting the need to better understand the aging immune system and its clinical associations. Studying the human immune system, however, remains challenging due to its complexity and significant inter-individual variability.
Methods: We conducted an immune profiling study of 550 elderly participants (≥60 years) and 100 young controls (20-40 years) from the RESIST Senior Individuals (SI) cohort.
Impact of Sex-Related Differences in Infrarenal Aortic Neck Morphology on Outcomes of Endovascular Aneurysm Repair for Similar-Sized Aortic Aneurysm.
Diagnostics (Basel)
January 2025
Vascular Surgery Division, Department of Surgery "Paride Stefanini", Policlinico Umberto I-"La Sapienza" University of Rome, Viale del Policlinico, 00161 Rome, Italy.
: This study aimed to evaluate whether gender-related anatomical differences in proximal aortic neck morphology affect the feasibility and outcomes of endovascular aortic aneurysm repair (EVAR) in women with abdominal aortic aneurysms (AAA). : This study performed a retrospective analysis of patients electively treated by EVAR for infrarenal AAA between January 2019 and December 2023. Demographics, anatomical characteristics, and stent graft details were analyzed.
View Article and Find Full Text PDFWhole Brain MRI Assessment of Age and Sex-Related R2* Changes in the Human Fetal Brain.
Hum Brain Mapp
February 2025
Department of Child and Adolescent Psychiatry, New York University School of Medicine, New York, New York, USA.
Iron in the brain is essential to neurodevelopmental processes, as it supports neural functions, including processes of oxygen delivery, electron transport, and enzymatic activity. However, the development of brain iron before birth is scarcely understood. By estimating R2* (1/T2*) relaxometry from a sizable sample of fetal multiecho echo-planar imaging (EPI) scans, which is the standard sequence for functional magnetic resonance imaging (fMRI), across gestation, this study investigates age and sex-related changes in iron, across regions and tissue segments.
View Article and Find Full Text PDFSex hormones and allergies: exploring the gender differences in immune responses.
Front Allergy
January 2025
Research Institute of Biomedical Sciences, University Center of Health Sciences, University of Guadalajara, Guadalajara, Mexico.
Allergies are closely associated with sex-related hormonal variations that influence immune function, leading to distinct symptom profiles. Similar sex-based differences are observed in other immune disorders, such as autoimmune diseases. In allergies, women exhibit a higher prevalence of atopic conditions, such as allergic asthma and eczema, in comparison to men.
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