Nanoparticles may limit off-tumor/on-target ubiquitous activation of signaling by protein-based drugs. However, many challenges still exist in the design a nanoparticle for protein delivery. In this study, conditions to establish vaterite nanoparticles as pH-sensitive drug delivery system (DDS) encapsulated drugs are comprehensively evaluated. Low coprecipitation pH and prevents denaturation yi...

S. K. Shyama*, K. S. Rathore, Roshan Keshri B. N. Institute of Pharmaceutical Sciences, Udaipur Rajasthan 313001 Erythrocytes, also known as red blood cells, have been extensively studied for their potential carrier capabilities for the delivery of drugs and drug-loaded microspheres. Such drug-loaded erythrocytes are prepared simply by collecting blood samples from the organism of interest, sep...

Fractions from an organic extract from fresh octopus (Paraoctopus limaculatus) were studied for biological activities such as antimutagenic and antiproliferative properties using Salmonella tester strains TA98 and TA100 with metabolic activation (S9) and a cancer cell line (B-cell lymphoma), respectively. A chloroform extract obtained from octopus tentacles was sequentially fractionated using t...

Nanoparticles with pH-sensitive behavior may enhance the success of chemotherapy in many cancers by efficient intracellular drug delivery. Here, we investigated the effect of a bioactive surfactant with pH-sensitive properties on the antitumor activity and intracellular behavior of methotrexate-loaded chitosan nanoparticles (MTX-CS-NPs). NPs were prepared using a modified ionotropic complexatio...

Unmethylated CpG in bacterial DNA has recently been recognized as a danger signal to the mammalian immune system. This CpG signal can be greatly amplified when DNA is delivered via a lipidic vector. The CpG effects are affected by the administration route, and can be either beneficial or harmful. In this review, we will summarize our current understanding about the mechanism of action of the im...

Higher doses of inhaled NO exert effects beyond the pulmonary circulation. How such extrapulmonary effects can be reconciled with the presumed short half-life of NO in the blood is unclear. Whereas erythrocytes have been suggested to participate in NO transport, the exact role of plasma in NO delivery in humans is not clear. Therefore, we investigated potential routes of NO decomposition and tr...

Angiotensin (1-7) (Ang-(1-7)) is a bioactive heptapeptide with a short half-life and has beneficial effects in several tissues - among them, skeletal muscle - by preventing muscle atrophy. Dendrimers are promising vehicles for the protection and transport of numerous bioactive molecules. This work explored the use of a neutral, non-cytotoxic hydroxyl-terminated poly(amidoamine) (PAMAM-OH) dendr...