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Prefrontal 5α-reductase 2 mediates male-specific acute stress response.
Sci Adv
January 2025
Department of Pharmacology and Toxicology, College of Pharmacy, University of Utah, Salt Lake City, UT, USA.
A key response to acute stress is the increased brain synthesis of the neurosteroid allopregnanolone (AP). Although the rate-limiting step of this reaction is catalyzed by 5α-reductase (5αR), the role of its two primary isoenzymes, 5αR1 and 5αR2, in stress reactivity remains unclear. Here, we found that acute stress led to increased levels of 5αR2, but not 5αR1, in the medial prefrontal cortex (mPFC) of male, but not female, rats.
View Article and Find Full Text PDFBone Health ECHO Case Report: Is it Paget's Disease?
J Clin Densitom
January 2025
University of New Mexico Health Sciences Center Albuquerque, NM, USA. Electronic address:
A 54-year-old woman was referred by her rheumatologist for evaluation of an elevated serum alkaline phosphatase (ALP) in the setting of polyarthritis. The metabolic work-up was significant for an elevated bone fraction of alkaline phosphatase isoenzymes, and high bone turnover markers, including fasting C- telopeptide (CTX). A diagnosis of Paget's disease of bone (PDB) was considered.
View Article and Find Full Text PDFMorpho-physiological digestive features of genetically closely related sympatric lacustrine whitefish forms with different feeding habits.
Fish Physiol Biochem
January 2025
Institute of Agrifood Research and Technology (IRTA), Centre de La Ràpita, Crta. Poble Nou del Delta Km 5.5, 43540, la Ràpita, Spain.
The effect of different feeding habits on gut morphology and digestive function has been intensively studied during the last decades but sympatric closely related fishes are relatively rare objects of such studies. In the present study, we have identified both morphological and physiological changes in the digestive system of a sympatric pair of whitefish represented by "normal" Coregonus lavaretus pidschian (benthivorous) and "dwarf" C. l.
View Article and Find Full Text PDFSulphonyl thiourea compounds containing pyrimidine as dual inhibitors of I, II, IX, and XII carbonic anhydrases and cancer cell lines: synthesis, characterization and studies.
RSC Med Chem
December 2024
VNU University of Education, Vietnam National University, Hanoi 144 Xuan Thuy, Cau Giay Ha Noi Vietnam.
Some novel sulphonyl thiourea derivatives (7a-m) containing 4,6-diarylpyrimidine rings were designed and synthesized using a one-pot procedure. These compounds exhibited remarkable dual inhibitory activity against human carbonic anhydrase CA I, CA II, CA IX, and XII isoenzymes and some cancer cell lines. Among them, some thioureas had significantly more potent inhibitory activities in the order of 7l > 7c > 7f (against the CA I isoform), 7f > 7b > 7c (against the CA II isoform), 7c > 7g > 7a > 7b (against the CA IX isoform), and 7d > 7c > 7g > 7f (against the CA XII isoform).
View Article and Find Full Text PDFInactivation of glutathione -transferase alpha 4 blocks -induced bystander effect by promoting macrophage ferroptosis.
Gut Microbes
December 2025
Nantong Institute of Genetics and Reproductive Medicine, Affiliated Maternity and Child Healthcare Hospital of Nantong University, Nantong, Jiangsu, China.
-infected macrophages produce 4-hydroxynonenal (4-HNE) that mediates microbiota-induced bystander effect (MIBE) leading to colorectal cancer (CRC). Glutathione -transferase alpha 4 (Gsta4), a specific detoxifying enzyme for 4-HNE, is overexpressed in human CRC and -induced murine CRC. However, the roles of Gsta4 in -induced colitis and CRC remain unclear.
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