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Molecular mechanism of long chain non coding RNA LINC00511 influencing breast cancer stem cells: Mechanism of VEGFR1 protein.
Int J Biol Macromol
January 2025
Department of Hepatobiliary Surgery, The First Affiliated Hospital, Jinan University, Guangzhou 510630, Guangdong, PR China; Department of Breast and Thyroid Surgery, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, PR China; Key Laloratory of Molecular Pathology in Tumors of Guangxi, Baise 533000, Guangxi, PR China; Department of Oncology-Pathology, Karolinska Institutet, Stockholm SE-17176, Sweden. Electronic address:
A comprehensive investigation into the mechanism of VEGFR1 protein in this process was undertaken. Lentivirus-mediated RNA interference was employed to inhibit the expression of LINC00511 in breast cancer cell lines, and changes in breast cancer stem cell markers, including CD44+/CD24-, were monitored using flow cytometry. Additionally, the interaction between VEGFR1 protein and LINC00511 and the activation of its downstream signaling pathway were investigated through co-immunoprecipitation (Co-IP) and Western blot techniques.
View Article and Find Full Text PDFType 3 deiodinase activation mediated by the Shh/Gli1 axis promotes sepsis-induced metabolic dysregulation in skeletal muscles.
Burns Trauma
January 2025
Department of Critical Care Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, No. 321 Zhongshan Road, Gulou District, Nanjing, Jiangsu 210008, China.
Background: Non-thyroidal illness syndrome is commonly observed in critically ill patients, characterized by the inactivation of systemic thyroid hormones (TH), which aggravates metabolic dysfunction. Recent evidence indicates that enhanced TH inactivation is mediated by the reactivation of type 3 deiodinase (Dio3) at the tissue level, culminating in a perturbed local metabolic equilibrium. This study assessed whether targeted inhibition of Dio3 can maintain tissue metabolic homeostasis under septic conditions and explored the mechanism behind Dio3 reactivation.
View Article and Find Full Text PDFElafibranor, a dual PPARα and PPARδ agonist, reduces alcohol-associated liver disease: Lessons from a mouse model.
World J Gastroenterol
January 2025
Carmen Laboratory, INSERM Unit 1060-Lyon 1 University, Pierre Benite 69310, France.
Metabolic dysfunction-associated steatotic liver disease (MASLD) is a highly prevalent liver pathology in need of novel pharmacological treatments to complement lifestyle-based interventions. Nuclear receptor agonists have been under scrutiny as potential pharmacological targets and as of today, resmetirom, a thyroid hormone receptor b agonist, is the only approved agent. The dual PPAR α and δ agonist elafibranor has also undergone extensive clinical testing, which reached the phase III clinical trial but failed to demonstrate a beneficial effect on MASLD.
View Article and Find Full Text PDFThe European Commission mandated EFSA to assess the toxicity of bromide, the existing maximum residue levels (MRLs), and possible transfer from feed into food of animal origin. The critical effects of bromide in experimental animals are on the thyroid and central nervous system. Changes in thyroid hormone homeostasis could result in neurodevelopmental toxicity, among other adverse effects.
View Article and Find Full Text PDFMelatonin, modulation of hypothalamic activity, and reproduction.
Vitam Horm
January 2025
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Argentina; Centro de Estudios Biomédicos Básicos, Aplicados y Desarrollo (CEBBAD), Universidad Maimónides, Ciudad Autónoma de Buenos Aires, Argentina. Electronic address:
Light is the most reliable environmental cue allowing animals to breed successfully when conditions are optimal. In seasonal breeders, photoperiod (length of daylight) information is sensed by the eyes and transmitted to the suprachiasmatic nucleus, the master clock region located in the hypothalamus. This structure has a 24-h firing rhythm involving a cycle of clock protein synthesis and degradation, and provides the timing to synchronize the synthesis and release of melatonin, the chemical signal that transduces the photoperiod information.
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