Результаты поиска

Bone cements for percutaneous vertebroplasty and balloon kyphoplasty: Current status and future developments.

Osteoporotic vertebral compression fractures (OVCFs) have gradually evolved into a serious health care problem globally. In order to reduce the morbidity of OVCF patients and improve their life quality, two minimally invasive surgery procedures, vertebroplasty (VP) and balloon kyphoplasty (BKP), have been developed. Both VP and BKP require the injection of bone cement into the vertebrae of patients to stabilize fractured vertebra. As such, bone cement as the filling material plays an essential role in the effectiveness of these treatments. In this review article, we summarize the bone cements

Delivery of miR-34a by chitosan/PLGA nanoplexes for the anticancer treatment of multiple myeloma.

The encapsulation of miR-34a into chitosan/PLGA nanoparticles in order to obtain nanoplexes useful for the modulation of the biopharmaceutical features of the active compound was studied. The nanoplexes were obtained through nanoprecipitation and were characterized by a mean diameter of ~160 nm, a good size distribution and a positive surface charge. The structure of the nanoparticles allowed a high level of entrapment efficiency of the miR-34a and provided protection of the genetic material from the effects of RNase. A high degree of transfection efficiency of the nanoplexes and a significant

Resveratrol and Tumor Microenvironment: Mechanistic Basis and Therapeutic Targets.

Resveratrol (3,4',5 trihydroxystilbene) is a naturally occurring non-flavonoid polyphenol. It has various pharmacological effects including antioxidant, anti-diabetic, anti-inflammatory and anti-cancer. Many studies have given special attention to different aspects of resveratrol anti-cancer properties and proved its high efficiency in targeting multiple cancer hallmarks. Tumor microenvironment has a critical role in cancer development and progression. Tumor cells coordinate with a cast of normal cells to aid the malignant behavior of cancer. Many cancer supporting players were detected in tum

2020 ACVIM Forum On Demand Research Abstract Program.

Аннотация не предоставлена источником. Откройте карточку для перехода к публикации.

TrkB promotes laryngeal cancer metastasis via activation PI3K/AKT pathway.

ObjectivesThe aim of our study was to investigate the role of TrkB pathway in tumor occurrence and development for in order to provide theoretical basis to laryngeal cancer therapy.Materials and methodsBiological characteristics of the cells were studied by migration tests and colony forming assay. Gene and protein expression analysis was performed by RT-PCR or western blot. in vivo experiments were conducted in syngeneic BALB/c mice.ResultsSignificant changes in protein and gene expression, including higher expression level of TrkB, were found in cells and laryngeal cancer specimens. we demon

Drug-induced oxidative stress in cancer treatments: Angel or devil?

Oxidative stress (OS), defined as redox imbalance in favor of oxidant burden, is one of the most significant biological events in cancer progression. Cancer cells generally represent a higher oxidant level, which suggests a dual therapeutic strategy by regulating redox status (i.e., pro-oxidant therapy and/or antioxidant therapy). Indeed, pro-oxidant therapy exhibits a great anti-cancer capability, attributing to a higher oxidant accumulation within cancer cells, whereas antioxidant therapy to restore redox homeostasis has been claimed to fail in several clinical practices. Targeting the redox

Boron Chemicals in Drug Discovery and Development: Synthesis and Medicinal Perspective.

A standard goal of medicinal chemists has been to discover efficient and potent drug candidates with specific enzyme-inhibitor abilities. In this regard, boron-based bioactive compounds have provided amphiphilic properties to facilitate interaction with protein targets. Indeed, the spectrum of boron-based entities as drug candidates against many diseases has grown tremendously since the first clinically tested boron-based drug, Velcade. In this review, we collectively represent the current boron-containing drug candidates, boron-containing retinoids, benzoxaboroles, aminoboronic acid, carboran

Essential Medicinal Chemistry of Essential Medicines.

Since 1977, the World Health Organization publishes a list of essential medicines, i.e., those that satisfy the priority health care needs of the population and are selected with regard to disease prevalence and public health relevance, evidence of clinical efficacy, and safety, as well as comparative costs and cost-effectiveness. The Essential Medicines List (EML) is an invaluable tool for all countries to select those medicines that have an excellent risk/benefit ratio and that are reputed to be of pivotal importance to health. In the present perspective, we describe the chemical composition

Неожиданное возрождение в отсутствие матричной металопротеины 7.

В множестве склерозов (MS) приток иммунных клеток в центральную нервную систему приводит к обезвоживанию мозга, зрительного нерва и спинного мозга. По мере того как MS прогрессирует, воспоминание становится все более неэффективным, что делает нейронные аксоны уязвимыми для дегенерации и приводит к постоянной неврологической инвалидности. При хронических поражениях MS аберрантная аккумуляция молекул внеклеточной матрицы (ECM), включая фибронектин и гиалуронан, ухудшает олигодендроцитную дифференциацию клеточных клеток, что ведет к сбоям в ремилинации. Таким образом, устранение ингибиторских УХМ

Resveratrol Nanoformulations for Cancer Management: A Comprehensive Review of Disease-Specific Strategies and Clinical Translational Barriers.

Cancer remains a leading cause of mortality worldwide, highlighting the need for therapeutic strategies that reduce systemic toxicity and drug resistance. Resveratrol (RES), a natural polyphenolic stilbenoid, possesses antioxidant, anti-inflammatory, pro-apoptotic, anti-metastatic, and chemosensitizing activities. However, its clinical translation is limited by poor aqueous solubility, chemical instability, rapid metabolic clearance, and consequently low systemic bioavailability. Nanotechnology-based drug delivery systems provide a promising strategy to address these limitations. This review s

Colorectal Cancer at the Crossroads: The Good, the Bad, and the Future of Platinum-Based Drugs.

Colorectal cancer (CRC) remains a significant global health challenge, ranking third in incidence and second in mortality among cancers worldwide. This review addresses the complex landscape of CRC, focusing on incidence, mortality trends, preventive strategies, and the evolving therapeutic approaches, particularly highlighting the role of platinum-based drugs like oxaliplatin (OXP). It also underscores the increasing burden of CRC, with factors such as westernized diets, aging populations, and genetic predispositions contributing to its prevalence. Therapeutically, early detection greatly enh

Advanced Diagnostic Techniques

Аннотация не предоставлена источником. Откройте карточку для перехода к публикации.

Construction of CXCR4 Receptor-Targeted CuFeSe2 Nano Theranostic Platform and Its Application in MR/CT Dual Model Imaging and Photothermal Therapy.

INTRODUCTION: Targeting, imaging, and treating tumors represent major clinical challenges. Developing effective theranostic agents to address these issues is an urgent need. METHODS: We introduce an "all-in-one" tumor-targeted theranostic platform using CuFeSe2-based composite nanoparticles (CuFeSe2@PA) for magnetic resonance (MR) and computed tomography (CT) dual model imaging-guided hyperthermia tumor ablation. Plerixafor (AMD3100) is bonded to the surface of CuFeSe2 as a targeting unit. Due to the robust interaction between AMD3100 and the overexpressed Chemokine CXC type receptor 4 (CXCR4

Advanced Diagnostic Techniques

Аннотация не предоставлена источником. Откройте карточку для перехода к публикации.

Витамины D и нейродегенеративные заболевания, такие, как множественный склероз (MS), болезнь Паркинсона (PD), болезнь Альцгеймера (AD) и амиотропический боковой склероз (ALS): Обзор текущей литературы.

ЦЕЛЬ ОБЗОРА: В настоящем обзоре изучается роль витамина D3 и его производных в качестве ингибиторов патологических метаболических изменений в нейродегенеративных заболеваниях. В рукописи изучается, как витамин D3 влияет на регулирование нейронного кальция, антиоксидативные пути, иммуномодуляцию и нейрозащиту во время детоксификации, выходящие за пределы его известных функций кишечника, кости и почечной кальция и фосфора, а также минерализацию кости. Последние исследования показали синтез активного метаболита 1,25(OH)2D3 (витамин D) в глиальных клетках через процесс гидроксиляции CY-P24A1, ферм

Совпадение в полном тексте источника
… Vitamin D application also plays a corrective role in copper sulfate-induced memory loss by reducing hippocampal BACE1, p-tau, caspase-9, Bax, TNFα, and cortical Ach levels [ 100 ]. …

Drug Delivery Approaches for the Treatment of Cervical Cancer.

Cervical cancer is a highly prevalent cancer that affects women around the world. With the availability of new technologies, researchers have increased their efforts to develop new drug delivery systems in cervical cancer chemotherapy. In this review, we summarized some of the recent research in systematic and localized drug delivery systems and compared the advantages and disadvantages of these methods.

Overcoming Drug Resistance in Advanced Prostate Cancer by Drug Repurposing.

Prostate cancer (PCa) is the second most common cancer in men. Common treatments include active surveillance, surgery, or radiation. Androgen deprivation therapy and chemotherapy are usually reserved for advanced disease or biochemical recurrence, such as castration-resistant prostate cancer (CRPC), but they are not considered curative because PCa cells eventually develop drug resistance. The latter is achieved through various cellular mechanisms that ultimately circumvent the pharmaceutical's mode of action. The need for novel therapeutic approaches is necessary under these circumstances. An

The Redox Paradox of Natural Supplements in Cancer: A Narrative Review to Guide Clinical Practice.

Supplements are widely perceived as safe and beneficial; yet in oncology, this assumption is questionable. Clinical trials over the past few decades have often produced disappointing results, raising a critical question: are these agents used correctly, or could they inadvertently cause harm? This review examines supplements frequently used in cancer care-such as oral vitamin C, berberine, N-acetylcysteine, vitamin D, vitamin E, melatonin, polyphenols, alpha-lipoic acid, selenium, and coenzyme Q10-which can act as tumor suppressors or promoters depending on dose, route, and disease stage. We e

Nanoparticles Based Therapeutic Approaches in Oncogenic Viral Infections: A Review.

Nanotechnology has revolutionized biomedical research by providing novel strategies for the prevention, diagnosis, and treatment of oncogenic viral infections. Nanoparticles, possessing tunable physicochemical properties, enable targeted drug delivery, enhance vaccine efficacy, and facilitate advanced viral diagnostics, addressing key limitations of conventional therapies. Oncogenic viruses contribute substantially to the global burden of cancer through persistent infections and are influenced by environmental and lifestyle factors. The objective of this review is to synthesize and critically

Adjuvant Properties of Caffeic Acid in Cancer Treatment.

Caffeic acid (CA) is a polyphenol belonging to the phenylpropanoid family, commonly found in plants and vegetables. It was first identified by Hlasiwetz in 1867 as a breakdown product of caffetannic acid. CA is biosynthesized from the amino acids tyrosine or phenylalanine through specific enzyme-catalyzed reactions. Extensive research since its discovery has revealed various health benefits associated with CA, including its antioxidant, anti-inflammatory, and anticancer properties. These effects are attributed to its ability to modulate several pathways, such as inhibiting NFkB, STAT3, and ERK