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Topic Review
Hypoxia in the Cell Cycle
The cell cycle is an important cellular process whereby the cell attempts to replicate its genome in an error-free manner.
  • 692
  • 01 Jul 2021
Topic Review
Hypoxia-Associated Long Non-Coding RNAs in Breast Cancer
Breast cancer is the leading cause of cancer-related deaths in women worldwide. Long non-coding RNAs are newly described molecules that have extensive roles in breast cancer. Emerging reports have shown that there is a strong link between these RNAs and the hypoxic response of breast cancer cells, which may be an important factor for enhanced tumoral progression.
  • 306
  • 26 May 2022
Topic Review
Hypoxia-Inducible Factor-1α
Aging is one of the hottest topics in biomedical research. Advances in research and medicine have helped to preserve human health, leading to an extension of life expectancy. However, the extension of life is an irreversible process accompanied by the development of aging-related conditions such as weakness, slower metabolism, and stiffness of vessels. It also debated that aging can be considered an actual disease with aging-derived comorbidities, including cancer or cardiovascular disease. Currently, cardiovascular disorders, including atherosclerosis, are considered premature aging and represent the first causes of death in developed countries, accounting for 31% of annual deaths globally. Emerging evidence has identified hypoxia-inducible factor-1α as a critical transcription factor with an essential role in aging-related pathology, in particular, regulating cellular senescence associated with cardiovascular aging.
  • 690
  • 04 Aug 2021
Topic Review
Hypoxia-Inducible Factors and Immunosenescence
Hypoxia activates hypoxia-related signaling pathways controlled by hypoxia-inducible factors (HIFs). HIFs represent a quick and effective detection system involved in the cellular response to insufficient oxygen concentration.
  • 154
  • 23 Aug 2023
Topic Review
Hypoxia-Inducible Factors in Osteogenesis
As central mediators of homeostasis, hypoxia-inducible transcription factors (HIFs) can allow cells to survive in a low-oxygen environment and are essential for the regulation of osteogenesis and skeletal repair.
  • 489
  • 13 Oct 2022
Topic Review
Hypoxia-Related Unfolded Protein Response in Tumor Microenvironment
The tumor microenvironment (TME) is a dynamic network that is created by blood vessels, lymphatic vessels, fibroblasts, immune cells as well as components such as the extracellular matrix (ECM) that establishes a “friendly ecosystem” for cancer cells. Hypoxia induces a cellular adaptive response that elevates the expression of the transcription factors called hypoxia-inducible factors (HIFs) that activate the global gene expression changes in both non-malignant and cancer cells. While most of the studies in this area have focused on the canonical responses to hypoxia, a better understanding is needed for the complex molecular changes that are found in the hypoxic TME. These changes include the deregulation of endoplasmic reticulum (ER) homeostasis, and the subsequent perturbations in protein folding and secretion. The potential for erratic protein folding can also lead to another specialized stress response signaling pathway called the unfolded protein response (UPR). The UPR promotes survival during hypoxia by restoring the endoplasmic and mitochondrial homeostasis, but at times, it can also inhibit the cancer cell’s survival. The maturation of transmembrane and secretory proteins that include proangiogenic receptors and ligands as well as ECM remodeling enzymes takes place in the ER. 
  • 230
  • 19 Oct 2022
Topic Review
IIIG9 in Cancer and Other Pathologies
The identification of new proteins that regulate the function of one of the main cellular phosphatases, protein phosphatase 1 (PP1), is essential to find possible pharmacological targets to alter phosphatase function in various cellular processes, including the initiation and development of multiple diseases. IIIG9 is a regulatory subunit of PP1 initially identified in highly polarized ciliated cells. In addition to its ciliary location in ependymal cells, researchers showed that IIIG9 has extraciliary functions that regulate the integrity of adherens junctions.
  • 436
  • 01 Dec 2022
Topic Review
IL-6 Cytokines and EMP
Epithelial–mesenchymal plasticity (EMP) plays critical physiological roles during embryonic development, postnatal growth and epithelial homeostasis, but it is also involved in a number of pathological conditions, including wound repair, fibrosis, inflammation and cancer. EMP has been intimately linked with most, if not all, of the steps during cancer development and progression (e.g., migration, invasion, immune escape, drug resistance and metastatic dissemination). Cytokines from the interleukin 6 (IL-6) family play fundamental roles in mediating tumour-promoting inflammation within the tumour microenvironment. In general, IL-6 cytokines activate EMP processes, fostering the acquisition of mesenchymal features in cancer cells. Here, we will summarise all the relevant literature related to all members of the IL-6 family and EMP.
  • 431
  • 29 Mar 2022
Topic Review
IL-7 and IL-7R in Cancer
Interleukin-7 (IL-7) is a multipotent cytokine that maintains the homeostasis of the immune system. IL-7 plays a vital role in T-cell development, proliferation, and differentiation, as well as in B cell maturation through the activation of the IL-7 receptor (IL-7R). IL-7 is closely associated with tumor development and has been used in cancer clinical research and therapy.
  • 674
  • 21 Sep 2022
Topic Review
Illumina Dye Sequencing
Illumina dye sequencing is a technique used to determine the series of base pairs in DNA, also known as DNA sequencing. The reversible terminated chemistry concept was invented by Bruno Canard and Simon Sarfati at the Pasteur Institute in Paris. It was developed by Shankar Balasubramanian and David Klenerman of Cambridge University, who subsequently founded Solexa, a company later acquired by Illumina. This sequencing method is based on reversible dye-terminators that enable the identification of single nucleotides as they are washed over DNA strands. It can also be used for whole-genome and region sequencing, transcriptome analysis, metagenomics, small RNA discovery, methylation profiling, and genome-wide protein-nucleic acid interaction analysis.
  • 757
  • 24 Oct 2022
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