A 40-year-old male patient with chronic steroid dependent asthma developed pulmonary tuberculosis. After administration of antituberculosis therapy with rifampicin, isoniazid and pyrazinamide his asthma worsened. Omission of rifampicin from the drug regimen successfully controlled bronchospasm.
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Muscle parameters in men and oxidative stress markers.
J Physiol Anthropol
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University of Wrocław, Wrocław, Poland.
Background: The oxidative handicap hypothesis posits that testosterone-dependent traits, such as muscle mass and strength, may be costly to develop due to testosterone's pro-oxidative properties, leading to increased oxidative stress. This hypothesis suggests that only individuals with superior biological conditions can afford these costs. This study examines the oxidative handicap hypothesis, exploring the relationship between muscle mass or handgrip strength and oxidative stress markers in men.
View Article and Find Full Text PDFAssociation between serum 25-hydroxyvitamin D concentrations and urinary vitamin D metabolite concentrations measured by the NLucVDR assay.
J Steroid Biochem Mol Biol
January 2025
Department of Pharmaceutical Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan. Electronic address:
It is well known that vitamin D is essential for human health; however, many people suffer from vitamin D deficiency or insufficiency worldwide, including in Japan. Serum 25-hydroxyvitamin D (25(OH)D) concentrations are typically measured to evaluate vitamin D status. In a previous study, we demonstrated that the concentrations of vitamin D metabolites in urine, measured using the NLucVDR assay system composed of a split-type nanoluciferase and the ligand-binding domain (LBD) of the human vitamin D receptor, correlated with serum 25(OH)D concentrations measured using liquid chromatography-mass spectrometry (LC-MS) or electrochemiluminescence immunoassays (ECLIAs).
View Article and Find Full Text PDFAdvancement in the Treatment of Recurrent Pericarditis: Exploring Innovative Therapeutic Options.
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October 2024
Department of Internal Medicine, University of South Dakota Sanford School of Medicine, Sioux Falls, South Dakota.
Acute pericarditis, the predominant pericardial disease, often lacks a clear etiology, with 15-30% of patients experiencing recurrence, rising to 20-50% in those with prior relapses. Autoimmune mechanisms significantly contribute to recurrence, with interleukin-1 identified as a pivotal inflammatory mediator. While NSAIDs, colchicine, and steroids remain staples for acute cases, the spotlight in recurrent pericarditis management has shifted toward immunosuppressive medications.
View Article and Find Full Text PDFHormone Signaling in Breast Development and Cancer.
Adv Exp Med Biol
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Swiss Institute for Experimental Cancer Research, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
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View Article and Find Full Text PDFClinician's guide to the management of azoospermia induced by exogenous testosterone or anabolic-androgenic steroids.
Asian J Androl
January 2025
Global Andrology Forum, 130 West Juniper Lane, Moreland Hills, OH 44022, USA.
Azoospermia, defined as the absence of sperm in the ejaculate, is a well-documented consequence of exogenous testosterone (ET) and anabolic-androgenic steroid (AAS) use. These agents suppress the hypothalamic-pituitary-gonadal (HPG) axis, leading to reduced intratesticular testosterone levels and impaired spermatogenesis. This review examines the pathophysiological mechanisms underlying azoospermia and outlines therapeutic strategies for recovery.
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