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Topic Review
β-1,4-GalT-V and Cancer
β-1,4-GalTs are a family of glycosyltransferases, all having similar properties (i.e., they exclusively transfer galactose residues from a donor UDP-galactose via β-1,4 linkage to acceptor sugars, N-acetyl glucosamine (GlcNAc),glucose (Gl)c, and xylose(Xyl), which can be components of protein or lipids that have different functions).
  • 243
  • 08 Jan 2024
Topic Review
Exosomal Cargos on Osteosarcoma Progression
Osteosarcoma (OS) is a primary malignant bone tumor with high metastasis. Poor prognosis highlights a clinical need for novel therapeutic strategies. Exosomes, also known as extracellular vesicles, have been identified as essential players in the modulation of cancer. OS-derived exosomes can drive pro-tumorigenic or anti-tumorigenic phenotypes by transferring specific cargos, including proteins, nucleic acids, and metabolites, to neighboring cells, significantly impacting the regulation of cellular processes. 
  • 243
  • 15 Jan 2024
Topic Review
Virus Information Table
Viruses are extremely diverse in nature. Even their method of storing genetic information differs tremendously, from double-stranded DNA to negative sense RNA, as denoted in the Baltimore Classification System. Other features, such as entry and release details, or capsid structure may be important in classifying and understanding viruses.
  • 242
  • 08 Nov 2022
Topic Review
Pericyte Loss in Diseases
Pericytes are specialized cells located in close proximity to endothelial cells within the microvasculature. They play a crucial role in regulating blood flow, stabilizing vessel walls, and maintaining the integrity of the blood–brain barrier. The loss of pericytes has been associated with the development and progression of various diseases, such as diabetes, Alzheimer’s disease, sepsis, stroke, and traumatic brain injury. 
  • 242
  • 10 Aug 2023
Topic Review
Netosis in Brief
Netosis is a complex and fascinating cellular process that plays a pivotal role in our immune defense system. It involves the formation and release of neutrophil extracellular traps (NETs) composed of chromatin and antimicrobial proteins. These NETs act as sophisticated snares, capturing and neutralizing various pathogens, including bacteria, fungi, and parasites. The process begins with chromatin decondensation, mediated by enzymes like PAD4, allowing the extrusion of chromatin from the nucleus into the cytoplasm. Subsequent rupture of the nuclear envelope leads to NET formation and their release into the extracellular environment. While netosis is essential for immune defense, dysregulation can contribute to autoimmune diseases, inflammatory disorders, and even thrombosis. Understanding netosis opens doors to potential therapeutic interventions targeting this intricate cellular mechanism.
  • 242
  • 18 Sep 2023
Topic Review
Role of TAM Receptors in Bone Remodeling
The TAM (TYRO3, MERTK, and AXL) family of receptor tyrosine kinases are pleiotropic regulators of adult tissue homeostasis maintaining organ integrity and self-renewal. Disruption of their homeostatic balance fosters pathological conditions like autoinflammatory or degenerative diseases including rheumatoid arthritis, lupus erythematodes, or liver fibrosis. Moreover, TAM receptors exhibit prominent cell-transforming properties, promoting tumor progression, metastasis, and therapy resistance in various cancer entities. Emerging evidence shows that TAM receptors are involved in bone homeostasis by regulating osteoblastic bone formation and osteoclastic bone resorption. Therefore, TAM receptors emerge as new key players of the regulatory cytokine network of osteoblasts and osteoclasts and represent accessible targets for pharmacologic therapy for a broad set of different bone diseases, including primary and metastatic bone tumors, rheumatoid arthritis, or osteoporosis.
  • 242
  • 10 Jan 2024
Topic Review
Histone Loss in Aging and Senescence
Aging is a complex and multifactorial process characterized by a combination of aging hallmarks that contribute to declines at the molecular, cellular, and systemic levels in an organism. The dysregulation of the cellular epigenome during aging and senescence is a complex phenomenon that manifests through various elements, including global histone levels, histone positioning on the DNA sequence, post-translational modifications (PTMs) of histones, histone variants, DNA methylation, and noncoding RNAs.
  • 242
  • 27 Feb 2024
Topic Review
Parietal Epithelial Cell Behavior
Glomerular parietal epithelial cells (PECs) have been increasingly recognized to have crucial functions. Lineage tracking in animal models showed the expression of a podocyte phenotype by PECs during normal glomerular growth and after acute podocyte injury, suggesting a reparative role of PECs. Conversely, activated PECs are speculated to be pathogenic and comprise extracapillary proliferation in focal segmental glomerulosclerosis (FSGS) and crescentic glomerulonephritis (CrescGN). The reparative and pathogenic roles of PECs seem to represent two sides of PEC behavior directed by the local milieu and mediators. 
  • 241
  • 17 Feb 2023
Topic Review
Characteristics of Circulating Tumor Cells
Circulating tumor cells (CTCs), as novel cancer biomarkers, were first described by Dr. Ashworth in 1869, and they were found to exist in the blood circulation of cancer patients with distant metastases. Analysis of circulating tumor cells (CTCs) holds promise to diagnose cancer or monitor its development.
  • 241
  • 15 Nov 2023
Topic Review
Post-Translational Role of UFMylation in Physiology and Disease
Ubiquitin-fold modifier 1 (UFM1) is a newly identified ubiquitin-like protein that has been conserved during the evolution of multicellular organisms. In a similar manner to ubiquitin, UFM1 can become covalently linked to the lysine residue of a substrate via a dedicated enzymatic cascade. Although a limited number of substrates have been identified so far, UFM1 modification (UFMylation) has been demonstrated to play a vital role in a variety of cellular activities, including mammalian development, ribosome biogenesis, the DNA damage response, endoplasmic reticulum stress responses, immune responses, and tumorigenesis.
  • 241
  • 19 Jan 2024
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