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QRFP43 modulates the activity of the hypothalamic-pituitary-thyroid axis in female sheep.
Sci Rep
January 2025
Department of Animal Physiology, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Instytucka 3, Jabłonna, 05-110, Poland.
Since the early discovery of QRFP43, intensive research has been primarily focused on its role in the modulation of food intake. As is widely recognised, the regulation of the body's energy status is a highly complex process involving numerous systems, hormones and neurotransmitters. Among the most important regulators of energy status, alongside the satiety and hunger centre located in the hypothalamus, is the HPT axis, which directly and indirectly affects the regulation of metabolism in all cells of the body.
View Article and Find Full Text PDFRole of Thyrotropin-Releasing Hormone Stimulation Test and Autoantibody in 952 Subjects with Subclinical Hypothyroidism.
J Endocr Soc
November 2024
Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul 04401, Korea.
Context: Subclinical hypothyroidism (SCH) is characterized by elevated thyroid-stimulating hormone (TSH) levels and normal free thyroxine (fT4) levels. In upper normal TSH levels, thyrotropin-releasing hormone (TRH) stimulation test proved to be useful in identifying an exaggerated TSH response.
Objective: We aimed to evaluate the incidence and predictive ability of basal TSH, anti-thyroid peroxidase antibodies (TPOAb), and anti-thyroglobulin antibodies (TgAb) for exaggerated TRH stimulation test in SCH.
High Variability of Lateral Extra-articular Tenodesis Femoral Tunnel Position With Landmark-Based Techniques.
Am J Sports Med
December 2024
Steadman Philippon Research Institute, Vail, Colorado, USA.
Article Synopsis
- The study explored the effectiveness of using anatomical landmarks for determining fixation points in lateral extra-articular tenodesis (LET) during ACL reconstruction, focusing on whether the points fell within a specific radiographic zone.
- Researchers reviewed postoperative knee radiographs from 47 patients, analyzing the distance of the LET points from established anatomical lines to assess their accuracy.
- Results showed that only 53% of the fixation points were within the ideal zone, with the majority (18 out of 22) of mispositioned points being located anteriorly to the specified radiographic zone.
Comparison of Four Body Composition Methods: Circumference Measurements, Eight-Point Bioelectrical Impedance Analysis up to 500 and 1000 kHz to Dual-Energy X-Ray Absorptiometry to Measure Body Fat Percentage.
Mil Med
September 2024
Division of Health Science and Human Performance, Concordia University of Chicago, River Forest, IL 60305, USA.
Introduction: A comparison of body composition assessments using military circumferences to bioelectrical impedance analysis (BIA) and the reference standard dual-energy X-ray absorptiometry (DEXA) can gauge effectiveness of assessments. High-frequency (500 KHz) direct segmental multifrequency bioelectrical impedance analysis (DSM-BIA) accurately calculates total water mass and body fat% (BF%), but it is unknown whether higher frequencies (1,000 KHz) increase measurement accuracy. The purpose was to compare DSM-BIA 500, DSM-BIA 1000, the DoD Circumference Method (CM), and the reference-standard DEXA.
View Article and Find Full Text PDFThe genetic link between thyroid dysfunction and alopecia areata: a bidirectional two-sample Mendelian randomization study.
Front Endocrinol (Lausanne)
August 2024
Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Background: Although descriptive studies have found an association between thyroid dysfunction (TD) and alopecia areata (AA), however, the causal relationship between TD and AA remains unclear. The purpose of this study is to investigate the causal relationship between the two and the specific directions.
Methods: We performed large-scale, two-sample Mendelian randomization (MR) analyses to examine whether there was an association between TD (such as Graves' disease (GD), Hashimoto's thyroiditis (HT), thyroid cancer (TC), thyroid stimulating hormone (TSH), thyrotropin-releasing hormone (TRH), etc.
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