Observation of a group of 60 patients affected by a primary hypogonadism and followed before and after a testicular transplant. They were separated into three sub-groups and the final evaluation was established according to the differences of each sub-group.
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Am J Hum Genet
January 2025
Genetics Institute, Rambam Health Care Campus, Haifa, Israel; Ruth and Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel. Electronic address:
Pathogenic heterozygous variants in CHD4 cause Sifrim-Hitz-Weiss syndrome, a neurodevelopmental disorder associated with brain anomalies, heart defects, macrocephaly, hypogonadism, and additional features with variable expressivity. Most individuals have non-recurrent missense variants, complicating variant interpretation. A few were reported with truncating variants, and their role in disease is unclear.
View Article and Find Full Text PDFStem Cell Reports
January 2025
Division of Stem Cell Medicine, Graduate School of Medicine, Kobe University, Kobe, Japan; Division of Advanced Medical Science, Graduate School of Science, Technology and Innovation, Kobe University, Kobe, Japan; Center for Human Resource Development for Regenerative Medicine, Kobe University Hospital, Kobe, Japan; Division of Signal Pathways, Biosignal Research Center, Kobe University, Kobe, Japan. Electronic address:
Late-onset hypogonadism (LOH) syndrome is characterized by age-related testosterone deficiency and negatively affects the quality of life of older men. A promising therapeutic approach for LOH syndrome is transplantation of testosterone-producing Leydig-like cells (LLCs) derived from human induced pluripotent stem cells (hiPSCs). However, previous studies have encountered obstacles, such as limited cell longevity, insufficient testosterone production, and inefficiency of differentiation.
View Article and Find Full Text PDFJ Endocrinol Invest
January 2025
Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, 40138, Italy.
Purpose: Galactosemia is a rare inborn error of galactose metabolism. There are several forms, the most severe being classic galactosemia (CG), which begins in the first few days of life. Nowadays, it is possible to screen CG at birth, averting acute decompensation or death through diet.
View Article and Find Full Text PDFBiol Sex Differ
January 2025
Department of Nuclear Medicine, University Hospital Zurich, Zurich, CH-8091, Switzerland.
Background: Presentations and outcomes of acute myocardial infarction (MI) differ between women and men, with the worst outcomes being reported in younger women. Mental stress induced ischemia and sympathetic activation have been suggested to play a prominent role in the pathogenesis of MI in younger women, however, the impact of sex hormones on these parameters remains unknown.
Methods: The effect of sex hormones and age on myocardial infarct size and myocardial sympathetic activity (MSA) was assessed in male and female, as well as young (4-6 months) and aged (20-22 months) FVB/N mice (n = 106, 60 gonadectomized and 46 sham-operated animals) who underwent in vivo [C]meta-hydroxyephedrine ([C]mHED) positron emission tomography (PET) and cardiac magnetic resonance (CMR) imaging 24 h after a 30 min myocardial ischemic injury.
Ann Endocrinol (Paris)
January 2025
Department of Endocrinology, Diabetes and Nutrition, Nancy Regional University Hospital, Nancy, France.
Purpose: Pituitary neuroendocrine tumor (PitNET), excluding prolactinoma, often requires endoscopic endonasal surgery (EES). Identifying predictive factors for complications, and particularly rare ones such as hypogonadotropic hypogonadism (HH) that may affect fertility, is challenging. This study investigated de-novo postoperative HH and its potential impact on fertility.
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