Synonym |
Boc-Leu-Enkephalin |
Species |
Human |
Protein Accession |
NA |
Purity |
Greater than 95% |
Endotoxin Level |
Less than 1 EU/μg |
Biological Activity |
NA |
Expression System |
Chemical synthesis |
Fusion Tag |
NA |
Predicted Molecular Mass |
377.45 g/mol |
Formulation |
Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA |
Reconstitution |
It is recommended to reconstitute the lyophilized Boc-Leu-Enkephalin in 10mM HCl |
Storage & Stability |
Store lyophilized peptide at -20°C. Aliquot the product after reconstitution to avoid repeated
freezing/thawing cycles |
FAQ
What is Boc-Leu-Enkephalin and how does it function in scientific research
contexts?
Boc-Leu-Enkephalin is a synthetic compound that acts as a potent analog of enkephalins,
which are endogenous peptides functioning as neurotransmitters or neuromodulators. Specifically,
Boc-Leu-Enkephalin is comprised of five amino acids, with a tert-butyloxycarbonyl (Boc) group attached
to the leucine residue, allowing for greater stability and solubility in various research settings. In
scientific contexts, this compound is frequently employed to study opioid receptors, particularly the
delta-opioid receptors, due to its structure that mimics naturally occurring enkephalins closely. When
Boc-Leu-Enkephalin is introduced into biological systems, it can bind to opioid receptors in the nervous
system, leading to the inhibition of neuronal excitability and modulation of pain
signals.
Research with Boc-Leu-Enkephalin provides insights into the complex biological
mechanisms of pain perception and relief, as the interaction with opioid receptors can mimic the effects
of natural analgesia. This model helps researchers to explore potential pathways for pain management
without the significant side effects associated with traditional opioid molecules. Moreover, it can aid
in studying the tolerance and dependence mechanisms, crucial for developing safer pain management
therapies. In cell cultures or animal models, Boc-Leu-Enkephalin is used to observe its effects on
cellular signaling pathways, deciphering how exactly the binding to receptors alters gene expression,
protein synthesis, and overall cellular functions.
Furthermore, Boc-Leu-Enkephalin's resistance
to rapid degradation compared to natural enkephalins provides researchers with longer observation
windows to study its effects, enhancing the efficiency and reliability of experiments. The compound is
often used in pharmacological profiling of new drugs, helping in the discovery of novel therapeutic
agents that optimize enkephalin stability and activity. Researchers utilize these properties to test
hypotheses about neuroprotective roles of enkephalin analogs in neurodegenerative diseases, as well as
their potential in mood regulation, given enkephalins' known roles in affecting emotions. Thus,
Boc-Leu-Enkephalin stands as a cornerstone in neurobiology and pharmacology investigations aiming to
innovate and improve field knowledge.
What are the primary applications of Boc-Leu-Enkephalin in
medical and pharmaceutical research?
Boc-Leu-Enkephalin is integral to a range of applications
within medical and pharmaceutical research, particularly for those pursuing advancements in pain
management, addiction treatment, and neurological disorder therapies. The compound's ability to interact
with opioid receptors, specifically delta-opioid receptors, makes it a valuable tool in understanding
the underlying molecular dynamics associated with these receptors. Consequently, researchers capitalize
on this interaction to delve into the development of new analytical techniques for drug discovery and
validation.
Pain management represents one of the primary domains where Boc-Leu-Enkephalin is
applied. Its use in experiments designed to decode the complexities of pain pathways permits scientists
to probe deeper into how opioids modulate pain and how synthetic analogs like Boc-Leu-Enkephalin can
alleviate it without inducing the robust side effects of conventional opioids. This line of
investigation helps identify safer analgesic drugs, potentially reducing the societal and health burden
of opioid addiction by uncovering alternatives with lower abuse potential.
In addition to pain
research, Boc-Leu-Enkephalin's implications in addiction medicine research surface as scientists examine
its effects on the brain's reward circuits, which play a pivotal role in substance abuse disorders. By
analyzing how this compound modifies neuronal activities, researchers can gauge its potential to inform
the design of novel therapeutic agents that disrupt addiction cycles, mitigating withdrawal symptoms and
reducing relapse rates.
Neuroscience also benefits significantly from Boc-Leu-Enkephalin
research, where the focus is on neuroprotection and cognitive enhancement. Investigations into how
enkephalins influence neuroplasticity, neurogenesis, and cognitive functions provide insights into
strategies to combat neurodegenerative diseases such as Alzheimer's, Parkinson's, and Huntington's
disease. By mimicking enkephalins, Boc-Leu-Enkephalin allows researchers to trace how endogenous peptide
imbalances contribute to these disorders and how supplementation or analogue administration might
rectify or decelerate disease progress.
Furthermore, pharmaceutical research utilizes
Boc-Leu-Enkephalin to optimize delivery mechanisms for peptide-based drugs, employing the compounds in
technologies that improve permeability, stability, and efficacy. Understanding its pharmacokinetics and
dynamic interactions aids pharmaceutical engineers in devising advanced drug delivery systems that can
safely circumnavigate physiological barriers, prolonging therapeutic actions while minimizing adverse
effects. Thus, the applications of Boc-Leu-Enkephalin are far-reaching and hold the potential to
revolutionize various therapeutic avenues.
How does Boc-Leu-Enkephalin differ from other
enkephalins used in research, such as Met-Enkephalin and Leu-Enkephalin?
Boc-Leu-Enkephalin
exhibits several critical differences from other enkephalins like Met-Enkephalin and Leu-Enkephalin,
which influence its utility and application in research. Chiefly, the distinction arises from its
structural modification, where a tert-butyloxycarbonyl (Boc) group is added to the leucine residue,
affecting the molecule's stability, solubility, and overall biological activity profile. This structural
variance grants Boc-Leu-Enkephalin enhanced resistance to enzymatic degradation, a disadvantage often
encountered with natural enkephalins such as Met-Enkephalin and Leu-Enkephalin.
In the context of
Met-Enkephalin and Leu-Enkephalin, these naturally occurring peptides are rapidly degraded in vivo by
peptidases, limiting their effective duration in physiological studies. By contrast,
Boc-Leu-Enkephalin's chemical modification extends its half-life within biological systems, allowing
researchers more extended periods for examining its effects on opioid receptors without immediate
degradation concerns. This feature makes Boc-Leu-Enkephalin particularly attractive in long-term or
in-depth pharmacokinetic studies where sustained interaction with biological targets is
required.
Furthermore, this synthetic analog offers a more versatile pharmacological tool when
probing opioid receptor functions, particularly because it primarily targets delta-opioid receptors
while exhibiting distinct binding kinetics compared to its natural counterparts. As a result,
Boc-Leu-Enkephalin provides unique insights into the selective engagement of receptor subtypes, thereby
supporting a more nuanced understanding of receptor dynamics and potential drug interactions. By skewing
receptor binding properties, Boc-Leu-Enkephalin assists researchers in mapping receptor-specific
pathways, laying groundwork for the design of targeted therapies based on precise receptor
modulation.
On the solubility front, Boc-Leu-Enkephalin's modified structure enhances its
compatibility with a range of solvents, facilitating its use in diverse experimental setups. This
advantage over Met-Enkephalin and Leu-Enkephalin, which may present solubility challenges, enables its
incorporation into various research environments, including in vitro, ex vivo, and in vivo systems. The
increased solubility extends the molecule's functionality beyond mere receptor studies to encompass
broader scientific inquiries into cellular and systemic interactions.
Thus, Boc-Leu-Enkephalin
sets itself apart by offering extended stability, selective receptor interaction, and improved
solubility over Met-Enkephalin and Leu-Enkephalin, positioning it as a versatile and effective tool for
opioid research and drug development.
What are the potential implications of Boc-Leu-Enkephalin
research in developing new pain therapies?
Research surrounding Boc-Leu-Enkephalin carries
significant implications for the development of new pain therapies, notably in the pursuit of
alternatives to traditional opioid analgesics that present fewer risks of addiction and adverse effects.
Modern pain management challenges necessitate innovative solutions due to the public health crisis
associated with opioid misuse and addiction, and Boc-Leu-Enkephalin emerges as a candidate for reshaping
pain therapy paradigms through its unique properties.
The compound's affinity for delta-opioid
receptors presents opportunities to explore therapeutic effects distinct from those mediated by
mu-opioid receptors, which are primarily targeted by conventional opioids like morphine. By emphasizing
delta-opioid receptor pathways, Boc-Leu-Enkephalin research can illuminate alternative analgesic
mechanisms, capitalizing on receptor subtypes less associated with severe side effects, such as
respiratory depression and high addiction potential. This research opens avenues for developing
analgesics that provide pain relief while minimizing the risk of tolerance and dependence, addressing
critical concerns tied to current treatments.
Another area where Boc-Leu-Enkephalin research
propels innovation is the understanding of pain modulation at cellular and systemic levels. By engaging
with and monitoring the peptide's effects in various models, researchers can identify specific signaling
cascades and genetic expressions that correlate with pain sensation and relief. This knowledge
facilitates targeted drug design capable of modulating these pathways with higher precision, enhancing
therapeutic outcomes while reducing unwanted side effects.
In the context of chronic pain
conditions, Boc-Leu-Enkephalin's extended stability in biological systems enables its study in
persistent pain states, providing insights into how sustained peptide interactions may alleviate
long-term pain without traditional drugs' specter of addiction. Investigations extend to neuropathic
pain, where standard opioids often fall short, and Boc-Leu-Enkephalin’s ability to sustain interactions
with opioid pathways might unveil novel interventions better suited to address the complex mechanisms
driving this type of pain.
Moreover, the study of Boc-Leu-Enkephalin assists in the exploration
of synergistic effects when combined with other therapeutic modalities, such as cannabinoids or
non-opioid pain relievers. Such combinatory approaches can potentiate analgesic effects and enhance pain
management strategies. Thus, Boc-Leu-Enkephalin research not only contributes to a deeper understanding
of pain mechanisms but also lays a foundational framework for actionable solutions that might
revolutionize how pain is treated in medical practice.
How is Boc-Leu-Enkephalin synthesized and
what considerations are taken in its production?
Boc-Leu-Enkephalin is synthesized through
techniques typical of peptide synthesis, namely solid-phase peptide synthesis (SPPS). This method
involves sequentially adding amino acids to a growing peptide chain anchored to an insoluble support.
The synthesis process starts by attaching the C-terminal amino acid to a resin, which supports the
growing chain throughout the synthesis procedure. Each subsequent amino acid is then coupled one at a
time, employing protected derivatives to prevent unwanted side reactions—these protected derivatives
include the Boc-protected leucine, which is key to Boc-Leu-Enkephalin's structure.
Several key
considerations are integral to the synthesis of Boc-Leu-Enkephalin. Firstly, the use of protecting
groups is critical to preserving the integrity of reactive side chains throughout the peptide assembly
process. The Boc group serves as a protective measure during the coupling stages and is strategically
removed before final peptide cleavage from the resin. Peptide synthesis requires high purity reagents
and optimized conditions to minimize racemization and maximize coupling efficiency. Employing activating
agents like HBTU or DIC helps facilitate peptide bond formation, which requires precise temperature
control and reaction times to ensure complete coupling.
Once the peptide assembly is complete,
the product is cleaved from the support resin, often using acidolysis, which simultaneously removes most
protecting groups. The crude peptide typically undergoes purification, primarily through techniques such
as high-performance liquid chromatography (HPLC), which segregates the desired peptide based on factors
like polarity or molecular size. Ensuring high purity is imperative as impurities can skew research
results or interfere with subsequent pharmacological testing.
Production also demands rigorous
quality control and characterization to confirm molecular identity and purity. Techniques such as mass
spectrometry, nuclear magnetic resonance (NMR), and sequence verification methods ensure that the
synthesized Boc-Leu-Enkephalin meets stringent research-grade standards. These analyses provide
confidence in the reproducibility and consistency of the peptide for scientific
use.
Additionally, the synthesis process requires a balance between cost-efficiency and peptide
yield, necessitating a thorough understanding of scale-up processes for potential larger batch
production. By analyzing yield outcomes and process efficiencies, improvements in synthetic
methodologies can be determined—such as optimizing reagents or adjusting cycle times—that both optimize
resource expenditure and end-product quality.
Thus, the synthesis of Boc-Leu-Enkephalin is a
meticulously coordinated process that demands thoroughness in method application, from initial amino
acid coupling to final product purification, ensuring the peptide is fit for its research applications.