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Topic Review
Resveratrol-Induced Resensitization of Acquired Drug-Resistant Cancer Cells
Multidrug resistance (MDR) refers to a phenomenon wherein tumors exhibit cross-resistance to an array of drugs with different structures or action mechanisms once they become resistant to one anticancer drug. MDR to anticancer drugs remains a serious obstacle to the success of cancer chemotherapy. Resveratrol, a polyphenol, present in natural products exerts anticancer activity and acts as a potential MDR inhibitor in various drug-resistant cancer cells.
  • 350
  • 03 Mar 2022
Topic Review
Resveratrol against Cervical Cancer
Overall, the scientific data show that resveratrol has the ability to target/inhibit certain signaling molecules (EGFR, VEGFR, PKC, JNK, ERK, NF-kB, and STAT3) involved in cervical cancer cell proliferation and survival. Further in vivo experiments and clinical studies are required to better understand the potential of resveratrol against cervical cancer.
  • 421
  • 15 Dec 2022
Topic Review
Restoring Proliferation Competence in Terminally Differentiated Myotubes
Terminally differentiated cells are classically defined as specialized cells that have irreversibly lost their ability to proliferate (postmitotic state). Skeletal muscle myotubes are a model system to study terminal differentiation, more amenable than other terminally differentiated histotypes to experimental investigation. Arguably, the fundamental mechanisms underlying the postmitotic state should be shared by most TD cell types.
  • 682
  • 19 Oct 2021
Topic Review
Respiratory Epithelial Cells against Fungal Infections
The respiratory epithelium is highly complex, and its composition varies along the conducting airways and alveoli. In addition to their primary function in maintaining the respiratory barrier and lung homeostasis for gas exchange, epithelial cells interact with inhaled pathogens, which can manipulate cell signaling pathways, promoting adhesion to these cells or hosting tissue invasion. Moreover, pathogens (or their products) can induce the secretion of chemokines and cytokines by epithelial cells, and in this way, these host cells communicate with the immune system, modulating host defenses and inflammatory outcomes.
  • 490
  • 31 May 2022
Topic Review
Resistance to Immunotherapy in Oral Malignant Melanoma
Immune checkpoint inhibitors (ICIs), including anti-cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and anti-programmed death-1 (PD-1) antibodies, have initiated a new era in the treatment of malignant melanoma.
  • 169
  • 14 Dec 2023
Topic Review
Replicative Senescence in Different Types of Stem Cells
Stem cells serve as a source of cellular material in embryogenesis and postnatal growth and regeneration. This requires significant proliferative potential ensured by sufficient telomere length. Telomere attrition in the stem cells and their niche cells can result in the exhaustion of the regenerative potential of high-turnover organs, causing or contributing to the onset of age-related diseases. Telomerase activity is present in most types of adult stem cells, though at substantially lower levels. Such lower levels are sufficient for slowing down telomere shortening and expanding the replicative lifespan  but cannot prevent replicative senescence. In this case, low telomerase expression may provide protection against the malignant transformation of stem cells.
  • 835
  • 13 Oct 2022
Topic Review
Renal Primary Neuroendocrine Neoplasms
Primary renal neuroendocrine neoplasms (NENs) are rare neoplasms. The 2016 WHO classification of renal tumors classified renal neuroendocrine neoplasms into well-differentiated NET, small-cell NEC, and large-cell NEC
  • 414
  • 07 Jul 2022
Topic Review
Reliable Hallmarks and Biomarkers of Senescent Lymphocytes
The accumulation of senescent cells increases age-related background inflammation, “Inflammaging”, causing lymphocyte exhaustion and cardiovascular, neurodegenerative, autoimmune and cancer diseases.  Although modern research has not yet identified specific markers of aging lymphocytes, several sets of markers facilitate the separation of the aging population based on normal memory and exhausted cells for further genetic and functional analysis. The reasons for the higher predisposition of CD8+ T-lymphocytes to senescence compared to the CD4+ population are also discussed. The suppression of immune senescence is the most relevant area of research aimed at developing anti-aging and anti-cancer therapy for prolonging the lifespan of the global population.
  • 121
  • 23 Nov 2023
Topic Review
Relevance of Aquaporins for Gamete Function and Cryopreservation
Aquaporins (AQPs) are a family of transmembrane channels that allow the transport of water and small solutes across cell membranes. Different members of this family have been identified in gametes. In sperm, they are relevant to osmoadaptation after entering the female reproductive tract, which is crucial for sperm motility activation and capacitation and, thus, for their fertilizing ability. In addition, they are relevant during the cryopreservation process, since some members of this family are also permeable to glycerol, one of the most frequently used cryoprotective agents in livestock. Regarding oocytes, AQPs are very important in their maturation but also during cryopreservation. 
  • 449
  • 29 Jun 2022
Topic Review
Relationship between Glycocalyx and Tumor Microenvironment
The glycocalyx is a fluffy sugar coat covering the surface of all mammalian cells. While glycocalyx at endothelial cells is a barrier to tumor cell adhesion and transmigration, glycocalyx at tumor cells promotes tumor metastasis. Extracellular vesicles (EVs) secreted by the tumor cells and tumor-associated endothelial cells are the components of tumor microenvironment. They can modify glycocalyx of endothelial and tumor cells, as well as tumor vasculature, extracellular matrix (ECM) and fibroblasts. On the other hand, glycocalyx at both cells mediates the secretion and uptake of EVs that affect tumor microenvironment.
  • 372
  • 11 Nov 2022
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