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Topic Review
Role of Neurotrophin Signaling in CNS Homeostasis
Neurotrophins (NTs), also known as neurotrophic factors, are proteins involved in many important functions in the central nervous system (CNS), such as survival, synaptic plasticity, apoptosis, differentiation, and growth. The current knowledge of NTs includes the nerve growth factor (NGF), neurotrophin 3 (NT-3), NT-4, NT-5, and brain-derived neurotrophic factor (BDNF). These NTs are commonly known to be synthesized by CNS cells. However, other cell types, including immune system cells, can produce NTs and express their receptors on the cell surface. These proteins also play a vital role in regulating immune functions, promoting the survival of different immune cells such as monocytes and lymphocytes and influencing cytokine expression. NTs significantly contribute to healthy CNS development and maintenance. Furthermore, most mechanisms mediated by NTs signaling have essential physiological effects which perdure through most animal lifecycles. In consequence, alterations in neurotrophic signaling can have substantial ramifications, especially during embryonic development.
  • 387
  • 31 May 2022
Topic Review
Role of MSCs-Sourced Secretome in Liver Regeneration
Liver fibrosis is a wound healing response that degenerates, and is characterized by excessive accumulation of extracellular matrix (ECM) components that form scar tissue. Liver transplantation is often needed as a course of treatment for patients in critical conditions, but limitations associated with transplantation prompted the continuous search for alternative therapeutic strategies. Cell therapy with stem cells has emerged as an attractive option in order to stimulate tissue regeneration and liver repair. Transplanted mesenchymal stem cells (MSCs) could trans-differentiate into hepatocyte-like cells and, moreover, show anti-fibrotic and immunomodulatory effects.
  • 760
  • 14 Dec 2021
Topic Review
Role of Mitophagy in Regulating Intestinal Oxidative Damage
The mitochondrion is also a major site for maintaining redox homeostasis between reactive oxygen species (ROS) generation and scavenging. The quantity, quality, and functional integrity of mitochondria are crucial for regulating intracellular homeostasis and maintaining the normal physiological function of cells. The role of oxidative stress in human disease is well established, particularly in inflammatory bowel disease and gastrointestinal mucosal diseases. Oxidative stress could result from an imbalance between ROS and the antioxidative system. Mitochondria are both the main sites of production and the main target of ROS. It is a vicious cycle in which initial ROS-induced mitochondrial damage enhanced ROS production that, in turn, leads to further mitochondrial damage and eventually massive intestinal cell death. Oxidative damage can be significantly mitigated by mitophagy, which clears damaged mitochondria. 
  • 218
  • 22 Feb 2023
Topic Review
Role of Mitochondria in the Central Nervous System
Disruption of the synapses leads to a deterioration in the communication of nerve cells and decreased plasticity, which is associated with a loss of cognitive functions and neurodegeneration. Maintaining proper synaptic activity depends on the qualitative composition of mitochondria, because synaptic processes require sufficient energy supply and fine calcium regulation.
  • 282
  • 15 Mar 2023
Topic Review
Role of Midkine in Hepatocellular Carcinoma
Midkine (MDK) is a multifunctional secreted protein that can act as a cytokine or growth factor regulating multiple signaling pathways and being implicated in fundamental cellular processes, such as survival, proliferation, and migration. Although its expression in normal adult tissues is barely detectable, MDK serum levels are found to be elevated in several types of cancer, including hepatocellular carcinoma (HCC). 
  • 100
  • 25 Jan 2024
Topic Review
Role of lncRNA in Cancer
Here, we summarize several studies of lncRNAs SNPs relevant to chemotherapy responses to further clarify the potential of lncRNAs as potential biomarkers of cancer risk and predictors of drug resistance as well as toxicity.
  • 391
  • 15 Jun 2021
Topic Review
Role of Interleukin-11 in Non-Small Cell Lung Cancer
Interleukin-11 (IL11), a stromal-cell derived pleiotropic cytokine with profibrotic and cellular remodeling properties, as a potential biomarker in non-small cell lung cancer (NSCLC). IL11 is an important tumor-promoting cytokine that that has both diagnostic and prognostic value in patients with NSCLC. Multiple in vitro studies confirm that IL11 activates known tumor-promoting signaling pathways and clinical studies link increased IL11 expression to poorer prognosis. 
  • 326
  • 22 Aug 2022
Topic Review
Role of Immunoproteasome Subunits in Cancer
Cell-mediated immunity is driven by antigenic peptide presentation on major histocompatibility complex (MHC) molecules. Specialized proteasome complexes called immunoproteasomes process viral, bacterial, and tumor antigens for presentation on MHC class I molecules, which can induce CD8 T cells to mount effective immune responses. Immunoproteasomes are distinguished by three subunits that alter the catalytic activity of the proteasome and are inducible by inflammatory stimuli such as interferon-γ (IFN-γ). This inducible activity places them in central roles in cancer, autoimmunity, and inflammation. 
  • 558
  • 29 Mar 2022
Topic Review
Role of Extracellular Vesicles in Hematological Malignancies
The tumor microenvironment (TME) plays an important role in the development and progression of hematological malignancies. In addition to several factors, such as growth factors, cytokines, extracellular matrix (ECM) molecules, etc., a growing body of evidence has indicated that extracellular vesicles (EVs) play a crucial role in the communication of tumor cells within the TME, thereby contributing to the pathogenesis of hematological malignancies. 
  • 254
  • 13 Jun 2023
Topic Review
RNF168 in Tumor Progression
RING finger protein 168 (RNF168) is an E3 ubiquitin ligase with the RING finger domain. It is an important protein contributing to the DNA double-strand damage repair pathway. 
  • 414
  • 06 Feb 2023
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