arginine-rich cell-penetrating peptides HIV TAT peptide - Arginine-rich peptides cellular Arginine-Rich Cell-Penetrating Peptides: Unlocking Intracellular Delivery

Arginine-rich peptides Arginine-rich cell-penetrating peptides (CPPs) represent a significant advancement in the field of molecular delivery, offering a powerful mechanism to transport molecules that would otherwise struggle to cross the formidable barrier of the cell membrane.作者：S Park·2024·被引用次数：10—Arginine-rich cell-penetrating peptides(CPPs) have emerged as valuable tools for the intracellular delivery of bioactive molecules, ... These short, cationic peptides are characterized by their high arginine content, a feature that endows them with the remarkable ability to traverse the plasma membranes of eukaryotic cells. This capability has positioned them as highly promising tools for a variety of applications, particularly in drug delivery and the introduction of macromolecules into living systems.

The fundamental characteristic of arginine-rich CPPs lies in their cationic nature, stemming from the positively charged guanidino groups of the arginine residues. These arginine residues play a crucial role in their interaction with the negatively charged cell membrane. Research indicates that these peptides are not merely passive transporters; they actively engage with the membrane. While the exact mechanisms are still under extensive investigation, it's understood that arginine-rich cell-penetrating peptides do not typically enter cells by directly passing through the lipid bilayerThese molecules efficiently entercellsand mediate entry of (macro)molecules that by themselves do not cross the plasma membrane. Since their discovery, models .... Instead, evidence suggests they can passively enter vesicles and live cells, and in some cases, induce membrane deformation and water pores that facilitate their translocation. This understanding is crucial for designing effective delivery strategies.Arginine-rich cell-penetrating peptides

The efficiency of arginine-rich peptides in mediating the entry of other molecules has been a key driver of their research. These peptides can efficiently enter cells and facilitate the entry of (macro)molecules that, on their own, cannot cross the plasma membrane. This makes them invaluable for delivering therapeutic agents, genetic material, and other bioactive compounds directly into the cellular interior作者：G Lättig-Tünnemann·2011·被引用次数：377—We demonstrate that the transduction efficiency ofarginine-rich peptidesincreases with higher peptide structural rigidity.. For instance, the HIV TAT peptide is a well-studied and prototypical arginine-rich CPP that has been extensively utilized as a delivery vector作者：C Allolio·2018·被引用次数：253—Arginine-rich cell-penetrating peptidesdo not enter cells by directly passing through a lipid membrane; they instead passively enter vesicles and live .... Similarly, oligoarginines are another class of arginine-rich peptides widely employed for intracellular delivery.

The design and efficacy of these peptides are influenced by various factors. Studies have demonstrated that the transduction efficiency of arginine-rich peptides can increase with higher peptide structural rigidityArginine‐Rich Cell‐Penetrating Peptides Induce Lipid .... Furthermore, the interaction of arginine-rich CPPs with cell surface components, such as glycosaminoglycans, plays a role in their uptake作者：I Nakase·2023—Arginine-rich cell-penetrating peptides (CPPs) such as HIV-1Tat(48–60) and oligoarginines have been widely used as carriers of intracellular delivery of .... Understanding these cell-surface interactions is vital for optimizing their targeting and delivery capabilities.Self-association of a highly charged arginine-rich cell ...

Recent advancements have also highlighted the intrinsic properties of certain arginine-rich peptides. For example, Cationic arginine-rich peptides (CARPs) are a class of compounds that possess inherent neuroprotective properties. This suggests that beyond their role as carriers, these peptides themselves can exert beneficial biological effectsAt low concentrations, Tb(III) conjugates entercellsvia an endocytic pathway, resulting in a punctatecellulardistribution. Above a threshold concentration, .... The exploration of neuroprotective peptides fused to arginine-rich cell penetrating peptides is an active area of research, aiming to combine the delivery capabilities of CPPs with the therapeutic potential of specific neuroprotective sequencesThese molecules efficiently entercellsand mediate entry of (macro)molecules that by themselves do not cross the plasma membrane. Since their discovery, models ....

The molecular basis for the effectiveness of arginine-rich cell penetrating peptides (ARCPPs) in traversing cell membrane barriers is continually being elucidated. While many models exist, ongoing research aims to refine our understanding of both endocytic and non-endocytic mechanisms of internalization.作者：M Hao·2022·被引用次数：91—Of all the cell-penetrating peptides,arginine-rich peptideshave attracted the most scientific attention as cationic peptides [16,17,18,19]. Examples include ... This includes investigating how arginine-rich CPPs modulate lateral membrane heterogeneity, influencing processes like membrane fluidization.

In summary, arginine-rich cell-penetrating peptides are sophisticated molecular tools with profound implications for biological research and therapeutic developmentArginine‐Rich Cell‐Penetrating Peptides Induce Lipid .... Their ability to facilitate intracellular delivery, coupled with potential intrinsic bioactivity, underscores their importance in advancing our capacity to manipulate cellular processes and develop novel treatments. The ongoing exploration into their mechanisms of action and the design of new CPP-based systems promises to further unlock their vast potentialThe Uptake of Arginine-Rich Cell-Penetrating Peptides.