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Topic Review
Aquaporins in Mesenchymal Stem Cells
Aquaporins (AQPs) are a family of membrane water channel proteins that control osmotically-driven water transport across cell membranes. Recent studies have focused on the assessment of fluid flux regulation in relation to the biological processes that maintain mesenchymal stem cell (MSC) physiology. In particular, AQPs seem to regulate MSC proliferation through rapid regulation of the cell volume. Furthermore, several reports have shown that AQPs play a crucial role in modulating MSC attachment to the extracellular matrix, their spread, and migration. This review aims to describe the recent findings on AQPs role in MSCs physiology taking into account their reflex for potential applicatio in regenerative medicine.
  • 665
  • 24 Dec 2020
Topic Review
Lymphocytes in Brief
Lymphocytes are a vital class of white blood cells that serve as the backbone of the immune system. These small yet powerful cells play a pivotal role in defending the body against infections, viruses, and other foreign invaders. Lymphocytes come in two main types: B lymphocytes (B cells) and T lymphocytes (T cells), each with distinct functions. B cells are the architects of humoral immunity, producing antibodies that can recognize and neutralize specific pathogens. They originate in the bone marrow and mature there, eventually differentiating into plasma cells that churn out antibodies. T cells, on the other hand, are central to cell-mediated immunity, a critical defense mechanism against intracellular threats like viruses. They mature in the thymus gland and include helper T cells, cytotoxic T cells, regulatory T cells, and memory T cells, each with specialized roles. Lymphocytes undergo complex developmental processes, ensuring they can identify invaders while avoiding attacks on the body's own cells. Their functions span innate and adaptive immunity, making them essential for maintaining health and responding to diseases. From protecting against infections to enabling vaccination and driving cutting-edge cancer treatments, lymphocytes are indispensable to our well-being, and ongoing research promises to unlock even more of their potential.
  • 664
  • 07 Oct 2023
Topic Review
T(8;21) Acute Myeloid Leukemia
Acute myeloid leukemia (AML) is a heterogenous disease with multiple sub-types which are defined by different somatic mutations that cause blood cell differentiation to go astray.  One of the best-studied AML-subtypes is the t(8;21) AML which carries a translocation fusing sequences encoding the DNA-binding domain of the hematopoietic master regulator RUNX1 to the ETO gene. 
  • 662
  • 13 Jan 2021
Topic Review
Iron and Anti-Cancer Immune Response
New insights into the field of iron metabolism within the tumor microenvironment have been uncovered in recent years. Iron promotes the production of reactive oxygen species, which may either trigger ferroptosis cell death or contribute to malignant transformation. Once transformed, cancer cells divert tumor-infiltrating immune cells to satisfy their iron demand, thus affecting the tumor immunosurveillance. In this review, we highlight how the bioavailability of this metal shapes complex metabolic pathways within the tumor microenvironment and how this affects both tumor-associated macrophages and tumor-infiltrating lymphocytes functions. Furthermore, we discuss the potentials as well as the current clinical controversies surrounding the use of iron metabolism as a target for new anticancer treatments in two opposed conditions: (i) the “hot” tumors, which are usually enriched in immune cells infiltration and are extremely rich in iron availability within the microenvironment, and (ii) the “cold” tumors, which are often very poor in immune cells, mainly due to immune exclusion.
  • 662
  • 06 Apr 2021
Topic Review
Zinc Oxide Nanoparticles and Their Physiochemical Properties
Zinc oxide nanomaterials have been the cynosure of this decade because of their immense potential in different biomedical applications. It includes their usage in the prognosis and treatment of different infectious and cellular diseases, owing to their peculiar physiochemical properties such as variable shape, size, and surface charge etc. Increasing demand and usage of the ZnO nanomaterials raise concerns about their cellular and molecular toxicity and their biocompatibility with human cells.
  • 661
  • 12 Jul 2023
Topic Review
Deciphering Tumour Heterogeneity
Decoding tumour heterogeneity is a major clinical challenge, considering that it immensely contributes to cancer progression, treatment failure and emergence of drug resistance. Emerging technical and sampling strategies have been developed in order to deeply characterise tumour complexity and clonal architecture, including single-cell profiling, multi-region sampling, representative sampling and longitudinal analysis of liquid biopsy samples.
  • 661
  • 25 Mar 2022
Topic Review
Cell Signaling Pathways and Radioresistance of Cancer Cells
Radiation eradicates cancer cells mainly by causing DNA damage. However, radiation also concomitantly activates multiple prosurvival signaling pathways, which include those mediated by ATM, ATR, AKT, ERK, and NF-κB that promote DNA damage checkpoint activation/DNA repair, autophagy induction, and/or inhibition of apoptosis. Furthermore, emerging data support the role of YAP signaling in promoting the intrinsic radioresistance of cancer cells, which occurs through its activation of the transcription of many essential genes that support cell survival, DNA repair, proliferation, and the stemness of cancer stem cells. Together, these signaling pathways protect cancer cells by reducing the magnitude of radiation-induced cytotoxicity and promoting radioresistance. 
  • 660
  • 24 Mar 2022
Topic Review
Filaggrin
Filaggrin (FLG) is a large (37-kD), histidine rich protein named after its ability to aggregates keratin intermediate filaments (Filament aggregating Protein). FLG is an important epidermal structural protein, crucial to the structure and function of the stratum corneum (SC) and is largely involved in the maintenance of skin barrier function. FLG deficiency or dysfunction can lead to various skin disorders such as xerosis, ichthyosis vulgaris and atopic dermatitis (AD). It has been proposed that the level of FLG and its degradation products are influenced not only by the FLG loss-of-function mutations but also by endogenous or exogenous factors. 
  • 659
  • 09 Jul 2021
Topic Review
Organoids in Radiobiology
The majority of cancer patients will be treated with radiotherapy, either alone or together with chemotherapy and/or surgery. Optimising the balance between tumour control and the probability of normal tissue side effects is the primary goal of radiation treatment. Therefore, it is imperative to understand how irradiation affects both normal and cancer tissue. Here, we discuss how organoids, three-dimensional tissue-resembling structures derived from tissue-resident, embryonic or induced pluripotent stem cells, have a growing importance in the field of radiation biology research.
  • 658
  • 07 Jan 2021
Topic Review
Functional Roles of ISG15/ISGylation in Cancer
The protein ISG15 encoded by interferon-stimulated gene (ISG) 15 is the first identified member of the ubiquitin-like protein family and exists in the form of monomers and conjugated complexes. Like ubiquitin, ISG15 can mediate an ubiquitin-like modification by covalently modifying other proteins, known as ISGylation. There is growing evidence showing that both the free and conjugated ISG15 are involved in multiple key cellular processes, including autophagy, exosome secretion, DNA repair, immune regulation, and cancer occurrence and progression.
  • 658
  • 17 Feb 2023
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