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Topic Review
Microglia Phenomics in Alzheimer’s Disease
Phenomics, the complexity of microglia phenotypes and their related functions compels the continuous study of microglia in disease animal models to find druggable targets for neurodegenerative disorders. Activation of microglia was long considered detrimental for neuron survival, but it has become apparent that the real scenario of microglia morphofunctional diversity is far more complex.
  • 305
  • 14 Sep 2023
Topic Review
Phytoestrogens in Human Osteosarcoma
Phytoestrogens are plant-derived bioactive compounds with estrogen-like properties. Their potential health benefits, especially in cancer prevention and treatment, have been a subject of considerable research in the past decade. Phytoestrogens exert their effects, at least in part, through interactions with estrogen receptors (ERs), mimicking or inhibiting the actions of natural estrogens. There has been growing interest in exploring the impact of phytoestrogens on osteosarcoma (OS), a type of bone malignancy that primarily affects children and young adults and is currently presenting limited treatment options. Considering the critical role of the estrogen/ERs axis in bone development and growth, the modulation of ERs has emerged as a highly promising approach in the treatment of OS. It delves into the multiple mechanisms through which these molecules regulate the cell cycle, apoptosis, and key pathways implicated in the growth and progression of OS, including ER signaling. Moreover, potential interactions between phytoestrogens and conventional chemotherapy agents commonly used in OS treatment will be examined. Understanding the impact of these compounds in OS holds great promise for developing novel therapeutic approaches that can augment current OS treatment modalities.
  • 227
  • 14 Sep 2023
Topic Review
Myoglobin in Brown Adipose Tissue: Novel Thermogenic Implications
Brown adipose tissue (BAT) plays an important role in energy homeostasis by generating heat from chemical energy via uncoupled oxidative phosphorylation. Besides its high mitochondrial content and its exclusive expression of the uncoupling protein 1, another key feature of BAT is the high expression of myoglobin (MB), a heme-containing protein that typically binds oxygen, thereby facilitating the diffusion of the gas from cell membranes to mitochondria of muscle cells. In addition, MB also modulates nitric oxide (NO•) pools and can bind C16 and C18 fatty acids, which indicates a role in lipid metabolism. Studies in humans and mice implicated MB present in BAT in the regulation of lipid droplet morphology and fatty acid shuttling and composition, as well as mitochondrial oxidative metabolism. 
  • 257
  • 14 Sep 2023
Topic Review
Histomorphological Changes in Fish Gut after Prebiotics/Probiotics Treatment
Activities such as the digestion and absorption of feeds occur into the gastrointestinal tract (GIT), which also serves to excrete waste products of digestion. These processes occur thanks to the different species of microorganisms inhabiting the GIT, the microbiota, which contribute to the health status of fish by providing metabolic benefits and counteracting pathogen infection. The microbiota is affected by environmental conditions and by the dietary habits of fish species, and it may be modulated by the administration of feed additives based on prebiotics and probiotics. These represent a very useful tool to improve the health status of fish since they are able to enhance gut efficiency, nutrient uptake, defense against pathogens, and growth performance, as may also be assessed by histological endpoints.
  • 113
  • 13 Sep 2023
Topic Review
Krüppel-like Factors 4 and 5 in Colorectal Tumorigenesis
Krüppel-like factors (KLFs) are transcription factors regulating various biological processes such as proliferation, differentiation, migration, invasion, and homeostasis. Importantly, they participate in disease development and progression. KLFs are expressed in multiple tissues, and their role is tissue- and context-dependent. KLF4 and KLF5 are two fascinating members of this family that regulate crucial stages of cellular identity from embryogenesis through differentiation and, finally, during tumorigenesis. They maintain homeostasis of various tissues and regulate inflammation, response to injury, regeneration, and development and progression of multiple cancers such as colorectal, breast, ovarian, pancreatic, lung, and prostate, to name a few.
  • 228
  • 12 Sep 2023
Topic Review
Tousled-like Kinase 1 in DNA Damage Repair
DNA damage repair lies at the core of all cells’ survival strategy, including the survival strategy of cancerous cells. Therefore, targeting such repair mechanisms forms the major goal of cancer therapeutics. The mechanism of DNA repair has been tousled with the discovery of multiple kinases. Studies on tousled-like kinases have brought significant clarity on the effectors of these kinases which stand to regulate double-strand break (DSB) repair. 
  • 173
  • 11 Sep 2023
Topic Review
Regenerative Potential (RP) of MSCEVs
Mesenchymal stem cell extracellular vesicles (MSCEVs) obtained from MSCs can have numerous therapeutic applications via regeneration of various body tissues. MSCEV action can be potentiated by modifying the mesenchymal stem cells culturing methodology and bioengineering extracellular vesicles (EVs). 
  • 138
  • 11 Sep 2023
Topic Review Video
Photodynamic Therapy for Prostate Cancer
Prostate cancer is a major health concern worldwide, and current treatments, such as surgery, radiation therapy, and chemotherapy, are associated with significant side effects and limitations. Photodynamic therapy (PDT) is a promising alternative that has the potential to provide a minimally invasive and highly targeted approach to treating prostate cancer. PDT involves the use of photosensitizers (PSs) that are activated by light to produce reactive oxygen species (ROS), which can induce tumor cell death. 
  • 349
  • 03 Sep 2023
Topic Review
Polyphenol-Based Nanoparticles
Conventional therapies for the treatment of colorectal cancer induce several side effects that impact the effectiveness of current therapies as well as the quality of patients’ life. Natural compounds with anticancer properties have gained attention as potential therapeutic agents for various cancers including colorectal cancer. However, several natural compounds such as polyphenols are facing obstacles for their use as anticancer drugs, such as intrinsic poor solubility, plasmatic instability, ineffective cellular uptake, and biological barriers. Novel approaches in precision medicine and nanomedicine are being developed. In this context, to harness the full potential of natural compounds, researchers have explored the use of nanoparticles as a drug delivery system for targeted and enhanced therapeutic efficacy as well as limited side effects. 
  • 267
  • 03 Sep 2023
Topic Review
Plasmodium falciparum Development from Gametocyte to Oocyst
Malaria elimination never succeed without the implementation of transmission-blocking strategies. The transmission of Plasmodium spp. parasites from the human host to the mosquito vector depends on circulating gametocytes in the peripheral blood of the vertebrate host. Once ingested by the mosquito during blood meals, these sexual forms undergo a series of radical morphological and metabolic changes to survive and progress from the gut to the salivary glands, where they will be waiting to be injected into the vertebrate host. The design of effective transmission-blocking strategies requires a thorough understanding of all the mechanisms that drive the development of gametocytes, gametes, sexual reproduction, and subsequent differentiation within the mosquito. The drastic changes in Plasmodium falciparum shape and function throughout its life cycle rely on the tight regulation of stage-specific gene expression.
  • 342
  • 01 Sep 2023
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