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A long-ignored skeletal tissue filled with oil.
Science
January 2025
Program in Craniofacial Biology, Department of Orofacial Sciences, Department of Anatomy, Institute for Human Genetics, Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA, USA.
Lipid-rich cartilage points to nonmetabolic functions of lipid vacuoles in mammals.
View Article and Find Full Text PDFSuperstable lipid vacuoles endow cartilage with its shape and biomechanics.
Science
January 2025
Department of Developmental and Cell Biology, University of California, Irvine, Irvine, CA, USA.
Conventionally, the size, shape, and biomechanics of cartilages are determined by their voluminous extracellular matrix. By contrast, we found that multiple murine cartilages consist of lipid-filled cells called lipochondrocytes. Despite resembling adipocytes, lipochondrocytes were molecularly distinct and produced lipids exclusively through de novo lipogenesis.
View Article and Find Full Text PDFThe transcription factor TCF4 regulates the miR-494-3p/THBS1 axis in the fibrosis of pathologic scars.
Arch Dermatol Res
January 2025
Medical Intensive Care Unit, Zhangzhou Hospital Affiliated of Fujian Medical University, Zhangzhou Municipal Hospital of Fujian Province, Zhangzhou City, Fujian Province, China.
Background: The fibrosis of pathologic scar (PS) is formed by the excessive deposition of extracellular matrix, resulting in an abnormal scar. Recent clinical tests have indicated that the regulation of PS fibroblast cells (PSF cells) proliferation can serve as an intervention measure for PS. Our work aimed to elucidate the specific mechanism of action of TCF4 on the progression of PS fibrosis.
View Article and Find Full Text PDFHospitalized upper extremity artery disease patients: treatment and long-term outcomes.
Eur Heart J
December 2024
Institute of Biostatistics and Clinical Research, University of Muenster, Muenster, Germany.
Background And Aims: Current knowledge about upper extremity artery disease (UEAD) is scarce. This study aimed to evaluate the prevalence, treatment patterns, and short- and long-term outcomes of patients suffering from UEAD.
Methods: Retrospective health claims data of patients who were hospitalized with a primary diagnosis of UEAD between 2010 and 2017 were analysed.
Undernutrition affects metabolism and immune response in subcutaneous adipose tissue of pregnant ewes.
FASEB J
January 2025
College of Animal Science and Technology, Anhui Agricultural University, Hefei, China.
Pregnant ewes mobilize body fat to increase energy supply for fetal growth and development upon undernutrition, which disrupts the metabolic homeostasis of the body. However, the comprehensive metabolic changes in subcutaneous adipose tissue upon undernutrition are poorly understood. In this study, an undernutrition sheep model was established to investigate the effects of undernutrition on metabolic changes, immune response, and inflammation in subcutaneous fat through transcriptome, RT-qPCR, and metabolome analysis.
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