tat-dat peptide Tat (47-59) is a cell penetrating cationic peptide - Aceinpeptide peptide The Multifaceted Role of TAT Peptides in Neurological Research and Beyond

Semaxpeptide The TAT peptide, a remarkable cell-penetrating peptide (CPP), has garnered significant attention in scientific research due to its unique ability to traverse cell membranes and deliver various payloads into cellsDevelopment of a peptide targeting dopamine transporter .... Originating from the transactivator of transcription (TAT) protein of the human immunodeficiency virus (HIV), this arginine-rich peptide is characterized by its sequence, often cited as GRKKRRQRRRPQ or variants like TAT(47-57) and TAT(48-60) amide.A TAT-DATct1 peptide containing the DAT-Gβγ binding ... Its inherent cell permeability makes it an invaluable tool for a wide range of applications, particularly in the realm of neuroscience, where it facilitates the study and potential manipulation of complex biological processes.

One of the most compelling areas of TAT peptide application lies in its conjugation with other molecules to target specific biological pathways. For instance, research has explored the development of peptides that target the dopamine transporter (DAT).More importantly, the interfering peptide,TAT-DATNT, attenuates hyperactivity and improves spontaneous alternation behavior in spontaneously hypertensive rats ... The TAT-DATNT peptide, a notable example, has demonstrated the capacity to modulate locomotor activity. Studies have indicated that TAT-DATNT promotes locomotor behavior in Sprague-Dawley rats, suggesting its potential role in influencing motor functionsSmall Peptide Inhibitor of JNK3 Protects Dopaminergic .... Furthermore, more specific variants, such as the TAT-DATNT1-1 peptide, have shown significant effects.This is the most characterized fragment of the HIV transactivator protein (TAT). This arginine-richTAT peptidepenetrates plasma membrane directly, but not ... The application of the TAT-DATNT1-1 peptide to midbrain neurons has been observed to decrease both D2–DAT protein–protein coupling and DAT-mediated DA uptake. This highlights the precision with which TAT-conjugated peptides can be engineered to interact with specific targets like the DATTat (47-59) is a cell penetrating cationic peptidederived from the N-terminus of the Tat protein, which is a trans-activator of the transcription protein ....

Beyond influencing dopamine transporter function, TAT peptides are also being investigated for their role in modulating neurotransmitter receptor interactions. The TAT-D1 peptide has emerged as a selective Dopamine D1-D2 heteromer antagonist.TAT peptide. Not For Human Use, Lab Use Only. Cat.#: 319506. Size: 20.0 mg (TFA removed). * Buy 1 get 1 free (?). Special Price 195.60 USD. This means it can block the interaction between D1 and D2 receptors, thereby inhibiting the expression and function of these heteromers without affecting other receptor oligomers. This targeted approach has implications for understanding and potentially treating conditions involving dysregulated dopamine signaling. Research has shown that the TAT-D1 peptide can be used to study the role of D1-D2 receptor heterodimers in the regulation of depressive and anxiety-like behaviors, underscoring its utility in behavioral research作者：M Rickhag·2013·被引用次数：38—Cell-permeable C-terminal DAT peptidesattenuate amphetamine-induced dopamine efflux and locomotor activity in mice..

The ability of the TAT peptide to act as a delivery vehicle extends to other biologically active molecules. For example, JNK3-N-Tat, a JNK3-inhibitory peptide, has demonstrated protective effects on dopaminergic neurons against injury induced by MPP+/MPTP. This protection is achieved by inhibiting the ASK1-JNK3 signaling pathway, showcasing how TAT-conjugated peptides can deliver therapeutic agents to specific cellular targets. The general principle is that the peptide is being used to deliver inside cell a large variety of cargoes, including proteins, DNA, antibodies, and imaging agents. This broad utility makes peptides like TAT invaluable tools for drug delivery and molecular research.HIV-1 TAT Protein Peptide

The inherent properties of the TAT peptide itself are a subject of ongoing investigation. Its sequence, often described as a cell penetrating peptide (CPP), allows it to directly penetrate the plasma membraneTat peptide. This mechanism is crucial for its function and for the delivery of its conjugated payloads. Researchers are exploring various aspects of TAT peptide structure and function, including its interaction with cellular components and its potential for stabilization of molecules like DNA.In vivo peptide-based delivery of a gene-modifying enzyme ...

In the context of neurological disorders, the exploration of peptides for dopamine related pathways is a significant area of research. The TAT-DATct1 peptide, which contains the DAT-Gβγ binding site, has been used to investigate its inhibitory effects on mSIRK-induced DA efflux. This demonstrates a sophisticated understanding of molecular interactions within the dopaminergic system. Furthermore, studies have specifically investigated the impact of TAT-DAT NT on hyperactivity. Evidence suggests that TAT-DAT NT significantly decreased the locomotor activity in SHR (spontaneously hypertensive rats) compared to control TAT, while having no significant effects in WKY rats. This indicates a targeted effect on hyperactive states, potentially relevant for conditions like ADHD.

The versatility of the TAT peptide is further highlighted by its use in conjunction with other innovative technologies.作者：FJS Lee·2007·被引用次数：315—Application of the TAT-DATNT1-1 peptideto midbrain neurons significantly decreased both D2–DAT protein–protein coupling (Figure 6A), and DAT-mediated DA uptake ... For instance, peptides derived from HIV-TAT have been successfully employed for the in vivo delivery of gene-modifying enzymes, such as Cre recombinase, into neural cells in mice. This represents a significant advancement in gene therapy and targeted genetic manipulation作者：J Pan·2015·被引用次数：28—JNK3-N-Tat, a JNK3-inhibitory peptide, protects dopaminergic neurons against MPP+/MPTP-induced injury by inhibiting the ASK1-JNK3 signaling pathway. Citation: ....

In summary, the TAT peptide is a powerful and versatile tool in scientific research. Its ability to penetrate cell membranes, coupled with its capacity to be conjugated with various molecules, has opened new avenues for studying and potentially treating a range of neurological conditions. From modulating dopamine transporter function and neurotransmitter receptor interactions to delivering therapeutic agents and facilitating gene modification, the applications of TAT peptides are diverse and continue to expand, solidifying their importance in the advancement of biological and medical science.