How is tumor cell targeted by nanoparticle for drug delivery?5 answersNanoparticles are utilized for targeted drug delivery to tumor cells by decorating them with functional ligands that bind to specific receptors overexpressed on cancer cell surfaces. These ligands include transferrin, folic acid, polypeptides, and hyaluronic acid, enhancing the specificity of drug delivery systems. Additionally, nanosystems with cancer-targeted ligands exploit cell surface-specific receptors, tumor vasculature, and antigens for accurate and efficient drug delivery to tumor cells. Furthermore, the development of multifunctional nanoparticle drug delivery systems, such as folate-modified chitosan micelles, enables passive tumor targeting through enhanced permeability and retention effects, leading to increased drug accumulation in tumor areas while minimizing toxic effects on normal tissues. Mimicking malaria-infected erythrocytes, nanoparticles functionalized with VAR2CSA specifically target oncofetal chondroitin sulfate expressed by many cancers, showcasing a promising strategy for tumor-specific drug delivery.
How combine Biomaterial-based DDS and cancer immunotherapy?5 answersBiomaterial-based drug delivery systems (DDS) can enhance cancer immunotherapy by improving drug concentration, localization, and controlled release. These systems offer advantages in delivering drugs, cancer antigens, and immune cells effectively. For instance, engineered biomaterials have been utilized to enhance dendritic cell (DC)-mediated immunotherapy by optimizing DC functions through targeting modifications, size, shape, and surface properties. In the context of cancer vaccines, in situ vaccines generated from tumors have shown promise in eliciting potent immune responses. Biomaterials-based in situ cancer vaccines have been successful in synergizing antigens and adjuvants, addressing delivery challenges, and manipulating immune cells effectively. Additionally, injectable biomaterial platforms like SynerGel have demonstrated improved intratumoral drug delivery for cancer immunotherapy, leading to enhanced treatment efficacy in preclinical models.
Is there any research articles using same biopolymer nanocarrier for different anticancer drugs?5 answersPolymeric nanocarriers have been extensively researched for the delivery of different anticancer drugs. Various types of nanocarriers, such as organic-inorganic-hybrid NPs and polymeric NPs (PNPs), have been developed for this purpose. Biopolymer nanovehicles have been explored for the oral delivery of natural anticancer agents (NAAs). Polymer colloids, including micelles, liposomes, emulsions, cationic carriers, and hydrogels, have also been used as drug delivery agents in cancer treatment. Additionally, polymeric nanoparticles, such as micelles, liposomes, dendrimers, polymersomes, hydrogels, and metal-organic frameworks, have been investigated for their potential in cancer drug delivery. Polymers derived from both natural and synthetic sources, such as poly(lactic-co-glycolic acid) (PLGA), polycaprolactone (PCL), and polyethylene glycol (PEG), have shown promise as carriers for different anticancer drugs. Therefore, there are several research articles that have utilized the same biopolymer nanocarrier for different anticancer drugs.
How can nano medicine benifite for cancer patients?5 answersNanomedicine offers several benefits for cancer patients. It allows for the development of innovative drug carriers that have greater efficacy and fewer side effects compared to conventional therapies. Nanoparticles can be engineered to target specific tumor sites, improving drug delivery and reducing toxicity. Nanoparticle-based platforms can modulate the biodistribution and accumulation of chemotherapeutic drugs, enhancing their efficacy while reducing their toxicity. Nanoparticles can also be used for cancer diagnosis, providing noninvasive and sensitive methods for early and precise detection. Additionally, the combination of nanoparticles with photosensitizers enables targeted photodynamic therapy, improving treatment outcomes with reduced side effects. Nanoparticles can also be used to deliver other cancer treatments, such as radiation therapy and gene therapy, directly to the tumor site, increasing treatment effectiveness while minimizing damage to healthy tissues. Overall, nanomedicine holds great promise for improving cancer diagnosis and treatment outcomes.
What are the most promising drug delivery approaches of nanomedicine in cancer research?5 answersNanomedicine offers promising drug delivery approaches in cancer research. Polymeric micelles, such as those made of stimuli-sensitive polymers, are being investigated as nanomedicines for targeted cancer treatment. Quantum dots (QDs) and nanoparticles (NPs) are emerging as bioimaging probes for cancer nanomedicine, enabling deep-tissue bimodal imaging and therapy. Metallic nanostructures and core-shell nanocomposites are being explored for combined photothermal-chemo or radio-chemo therapy. Nanoparticle drug formulations, particularly those utilizing hydrogel micropatterning, show promise in accurately assessing drug uptake and efficacy in different cancer cell fractions. Poly lactic-co-glycolic acid (PLGA) NPs, with their controlled and sustained drug release, are being used in passive and active drug delivery systems for efficient cancer therapy. Overall, nanomedicine approaches aim to achieve targeted drug delivery to the tumor site, improving therapeutic efficacy and reducing side effects.
How can nanoparticles be used to treat cancer?3 answersNanoparticles can be used to treat cancer through various mechanisms. Metallic nanoparticles such as palladium, gold, silver, and platinum have shown anticancer effects and can be functionalized with biomolecules to enhance their specificity and effectiveness against different types of cancer. Lanthanide-doped upconversion nanoparticles (UCNPs) can convert tissue-penetrating NIR light into visible and ultraviolet range, which can activate photosensitizers and regulate drug delivery processes for cancer therapy. Nanomedicine, including quantum dots, iron oxide NPs, PLGA NPs, dendrimer NPs, carbon nanotubes, liposomes, and gold NPs, has emerged as a promising approach to overcome therapeutic resistance, improve drug delivery, and target tumor cells in colorectal cancer. Nanoparticle-based delivery of anti-cancer drugs offers attractive features such as targeted and personalized treatment, prevention of tumor progression, and reduced side effects. Tumor cell membrane-coated nanoplatforms have been developed to evade immune system clearance and efficiently target tumor tissues for drug accumulation, providing a new strategy for precise and efficient chemotherapy of prostate cancer.