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1.
Curr Pharm Des ; 30(13): 969-974, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38551044

RESUMO

In metabolic syndrome and diabetes, compromised mitochondrial function emerges as a critical driver of cardiovascular disease, fueling its development and persistence, culminating in cardiac remodeling and adverse events. In this context, angiotensin II - the main interlocutor of the renin-angiotensin-aldosterone system - promotes local and systemic oxidative inflammatory processes. To highlight, the low activity/expression of proteins called sirtuins negatively participates in these processes, allowing more significant oxidative imbalance, which impacts cellular and tissue responses, causing tissue damage, inflammation, and cardiac and vascular remodeling. The reduction in energy production of mitochondria has been widely described as a significant element in all types of metabolic disorders. Additionally, high sirtuin levels and AMPK signaling stimulate hypoxia- inducible factor 1 beta and promote ketonemia. Consequently, enhanced autophagy and mitophagy advance through cardiac cells, sweeping away debris and silencing the orchestra of oxidative stress and inflammation, ultimately protecting vulnerable tissue from damage. To highlight and of particular interest, SGLT2 inhibitors (SGLT2i) profoundly influence all these mechanisms. Randomized clinical trials have evidenced a compelling picture of SGLT2i emerging as game-changers, wielding their power to demonstrably improve cardiac function and slash the rates of cardiovascular and renal events. Furthermore, driven by recent evidence, SGLT2i emerge as cellular supermolecules, exerting their beneficial actions to increase mitochondrial efficiency, alleviate oxidative stress, and curb severe inflammation. Its actions strengthen tissues and create a resilient defense against disease. In conclusion, like a treasure chest brimming with untold riches, the influence of SGLT2i on mitochondrial function holds untold potential for cardiovascular health. Unlocking these secrets, like a map guiding adventurers to hidden riches, promises to pave the way for even more potent therapeutic strategies.


Assuntos
Mitocôndrias , Inibidores do Transportador 2 de Sódio-Glicose , Humanos , Inibidores do Transportador 2 de Sódio-Glicose/farmacologia , Mitocôndrias/metabolismo , Mitocôndrias/efeitos dos fármacos , Animais , Doenças Cardiovasculares/tratamento farmacológico , Doenças Cardiovasculares/metabolismo , Doenças Cardiovasculares/prevenção & controle
2.
Curr Pharm Des ; 30(5): 323-332, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38303529

RESUMO

Neuroinflammation represents a critical immune response within the brain, playing a pivotal role in defense against injury and infection. However, when this response becomes chronic, it can contribute to the development of various neurodegenerative and psychiatric disorders. This bibliographic review delves into the role of vitamin D in modulating neuroinflammation and its implications for brain health, particularly in the context of neurological and psychiatric disorders. While vitamin D is traditionally associated with calcium homeostasis and bone health, it also exerts immunomodulatory and neuroprotective effects within the central nervous system. Through comprehensive analysis of preclinical and clinical studies, we uncover how vitamin D, acting through its receptors in glial cells, may influence the production of proinflammatory cytokines and antioxidants, potentially mitigating the cascade of events leading to neuronal damage. Clinical research has identified vitamin D deficiency as a common thread in the increased risks of multiple sclerosis, Parkinson's disease, Alzheimer's, and depression, among others. Furthermore, preclinical models suggest vitamin D's regulatory capacity over inflammatory mediators, its protective role against neuronal apoptosis, and its contribution to neurogenesis and synaptic plasticity. These insights underscore the potential of vitamin D supplementation not only in slowing the progression of neurodegenerative diseases but also in improving the quality of life for patients suffering from psychiatric conditions. Future clinical studies are essential to validate these findings and further our understanding of vitamin D's capacity to prevent or alleviate symptoms, opening new avenues for therapeutic strategies against neuroinflammation-related pathologies. Neuroinflammation is a crucial immune response in the brain against injuries or infections, but its persistence can lead to diseases such as Alzheimer's, Parkinson's, multiple sclerosis, and depression. Cholecalciferol (Vitamin D3) emerges as a regulator of neuroinflammation, present in brain cells such as astrocytes and microglia, modulating immune function. Vitamin D's mechanisms of action include cytokine modulation and regulation of nuclear and mitochondrial genes. It adjusts inflammatory mediators and antioxidants, resulting in neuroprotective effects. Additionally, vitamin D impacts neurotransmitter synthesis and brain plasticity. This positions vitamin D as a potential adjunct in treating diseases like Alzheimer's and Parkinson's. Lastly, its role in intestinal microbiota and serotonin synthesis contributes to psychiatric disorders like schizophrenia and depression. Thus, vitamin D presents a novel therapeutic approach for neuroinflammatory, neurodegenerative, and neuropsychiatric diseases.


Assuntos
Encéfalo , Doenças Neuroinflamatórias , Vitamina D , Humanos , Vitamina D/metabolismo , Vitamina D/farmacologia , Encéfalo/metabolismo , Encéfalo/efeitos dos fármacos , Encéfalo/imunologia , Animais , Doenças Neuroinflamatórias/tratamento farmacológico , Doenças Neuroinflamatórias/metabolismo , Doenças Neuroinflamatórias/imunologia , Doenças Neurodegenerativas/tratamento farmacológico , Doenças Neurodegenerativas/metabolismo , Doenças Neurodegenerativas/imunologia
3.
Transl Neurosci ; 14(1): 20220328, 2023 Jan 01.
Artigo em Inglês | MEDLINE | ID: mdl-38152092

RESUMO

Neuroinflammation, a complex process involving the activation of microglia, astrocytes, and other immune cells in the brain, plays a role in neurodegeneration and psychiatric disorders. Current therapeutic strategies for neuroinflammation are limited, necessitating the development of improved approaches. Nanopharmacology offers unprecedented opportunities to access and treat neuroinflammatory disorders at the brain level. Nanoscaffolds can target specific cells or tissues and protect drugs from degradation or elimination, making them ideal candidates for treating neurodegenerative and psychiatric diseases. Recent advancements in nanoparticle development have enabled the targeting of microglia, astrocytes, and other immune cells in the brain, reducing neuroinflammation and protecting neurons from injury. Nanoparticles targeting specific neurons have also been developed. Clinical trials are in progress to evaluate the safety and efficacy of nano drugs for treating neuroinflammatory, neurodegenerative, and psychiatric diseases. The successful development of these nanodrugs holds immense promise for treating these devastating and increasingly prevalent conditions. On the other hand, several limitations and unanswered questions remain. First, the long-term effects of nanoparticles on the brain need to be thoroughly investigated to ensure their safety. Second, optimizing the targeting and delivery of nanoparticles to specific brain regions remains a challenge. Understanding the complex interplay between nanoparticles and the brain's immune system is crucial for developing effective nanotherapies. Despite these limitations, nanopharmacology presents a transformative approach to treating neuroinflammatory disorders. Future research should address the aforementioned limitations and further elucidate the mechanisms of nanoparticle-mediated therapy. The successful development of safe and effective nanodrugs can revolutionize the treatment of neuroinflammatory disorders, alleviating the suffering of millions.

5.
Curr Pharm Des ; 28(34): 2795-2799, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36082864

RESUMO

BACKGROUND: Most cannabinoids usually present several limitations when evaluating their clinical use, mainly related to the side effects they may cause at the central nervous system and other levels. In this regard, nanotechnology applied to the development of pharmacotherapeutic nanoformulations has become an attractive tool that allows taking advantage of the beneficial properties of multiple drugs while minimizing or avoiding their undesirable side effects. Nanotechnology is a relatively recent scientific field that involves the study, manipulation, development, and characterization of drug delivery systems at the nanoscale (1 to 1000 nm; 1 nm= 1x10-9 m). Usually, the physicochemical properties of matter at the nanoscale are significantly different compared to the matter at the macroscale, which provides several advantages over conventional therapeutic alternative types of organic and inorganic drug delivery nanosystems. Posology, size, composition, surface properties, and different physicochemical characteristics may directly or indirectly influence their pharmacodynamic and pharmacokinetic behavior and, consequently, their biomedical use. PURPOSE OF REVIEW: This mini-review summarizes the main recent findings on nanomedical strategies and applications for cannabinoid encapsulation, raising the possibility of transferring these advances to the therapy of addictions. Highlights Standpoints: The nano therapy significantly improves the pharmacokinetic and pharmacodynamic behavior of multiple active pharmaceutical ingredients with different limitations and disadvantages, thus enhancing the therapeutic compliance of patients. In general, cannabinoids loaded in nanoformulations offer greater efficacy, lower toxicity and more controlled/prolonged release than cannabinoids in free form.


Assuntos
Canabinoides , Nanomedicina , Humanos , Canabinoides/farmacologia , Canabinoides/uso terapêutico , Sistemas de Liberação de Medicamentos , Nanotecnologia , Preparações Farmacêuticas
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