Synonym |
Substance P-methyl ester |
Species |
Human |
Protein Accession |
P20366 |
Purity |
Greater than 95% |
Endotoxin Level |
Less than 1 EU/μg |
Biological Activity |
Stimulates smooth muscle contraction and increases vascular permeability |
Expression System |
Chemical synthesis |
Fusion Tag |
None |
Predicted Molecular Mass |
1084.2 Da |
Formulation |
Supplied as a lyophilized powder |
Reconstitution |
Reconstitute in water to a concentration of 1 mg/ml |
Storage & Stability |
Store at -20°C upon receipt, stable for up to 3 months at -20°C |
FAQ
What is Substance P-methyl ester, and how does it differ from natural Substance P?
Substance
P-methyl ester is a chemically modified variant of the naturally occurring neuropeptide known as
Substance P. Substance P is a part of the tachykinin peptide neurotransmitter family and has a
significant role in various physiological processes, including pain perception, mood regulation,
anxiety, stress response, and inflammatory processes. The primary distinction between Substance P and
its methyl ester variant is in their molecular structure. The modification involves the addition of a
methyl ester group, which can alter the peptide's interaction with its biological targets, potentially
influencing its solubility, stability, and pharmacodynamics. This structural change may enhance the
peptide's ability to resist enzymatic degradation, thereby prolonging its activity within biological
systems. It can also affect its affinity for binding to the Neurokinin-1 (NK1) receptors, which are its
primary biological target.
The prevalence and importance of studying Substance P in research are
due to its involvement in transmitting pain signals, as well as its contribution to inflammatory
pathways. Substance P-methyl ester is particularly interesting for research because the addition of the
methyl ester group can help to stabilize the peptide, making it a more suitable candidate for scientific
study in various experimental conditions. This variant allows researchers to explore different pathways
of activation and inhibition, paving the way for potential therapeutic strategies that can manipulate
its functions for better health outcomes. By examining how Substance P-methyl ester interacts with the
body's biological systems, scientists can gain insights into conditions exacerbated by dysregulated
Substance P activity, including chronic pain, depression, and inflammatory diseases.
Importantly,
when utilizing Substance P-methyl ester in research, scientists can delineate how modifications affect
receptor binding and downstream signaling pathways. This helps in understanding not only Substance P
itself but also the broader neuropeptidergic system it operates within. Through careful analysis of
these altered interactions and behaviors, researchers make significant strides in developing more
effective pharmacological agents, potentially leading to breakthroughs in pain management, the treatment
of inflammatory conditions, and mood disorder alleviation. Continuous research into such compounds also
contributes to the broader understanding of receptor-ligand dynamics, offering invaluable insights into
the pharmacology of modified peptides and their potential therapeutic applications.
How does
Substance P-methyl ester impact pain management research?
Substance P-methyl ester is a valuable
tool in pain management research primarily because it provides an opportunity to explore the modulation
of pain pathways at the molecular level. Pain perception is complex, involving various neurotransmitters
and receptors, with Substance P playing a central role as a transmitter in the modulation of
nociception, which is the nervous system's response to potentially harmful stimuli. By studying
Substance P-methyl ester, researchers aim to unravel the precise mechanisms through which this peptide
influences pain perception and transmission.
The modification of Substance P into its methyl
ester form can result in altered binding properties to its primary receptor, Neurokinin-1 (NK1). This
receptor is known to be involved in the transmission of pain signals in the central nervous system. By
changing how the peptide interacts with NK1, researchers can explore pathways to inhibit or modulate
pain signal transmission. The ability of the methyl ester modification to potentially resist enzymatic
degradation provides more consistent levels of active compound, allowing for more extended and
controlled studies.
Furthermore, studying Substance P-methyl ester allows researchers to
investigate how altering the peptide's structure affects its pharmacokinetics and pharmacodynamics.
These studies are vital for understanding how modified peptides might offer a more precise or potent
agonist or antagonist effect compared to natural variants, thereby opening new avenues for drug
development. By pinpointing which modifications lead to desired changes in activity, scientists can
develop drugs that offer better pain relief with fewer side effects, improving the therapeutic window
for pain medications.
Additionally, research utilizing Substance P-methyl ester provides insights
into the development of cross-talk between different pain pathways, how chronic pain states might
develop, and how modulation at receptor levels might prevent these. Such insights are crucial in
developing novel therapeutic strategies for both acute and chronic pain conditions. Ultimately,
understanding how Substance P-methyl ester functions and how it can be used to modulate pain pathways
offers a promising frontier in pain management research. It shapes potential strategies for new
non-opioid pain medications, addressing a significant need for effective treatments with minimal risk of
addiction or dependency.
What are the potential therapeutic applications of Substance P-methyl
ester?
The potential therapeutic applications of Substance P-methyl ester are of considerable
interest in the field of biomedical research, primarily due to its potential role in modulating
neuropeptide systems that impact various physiological responses such as pain, inflammation, and mood
regulation. One of the most researched areas is its applicability in pain management, particularly in
addressing conditions characterized by chronic pain where traditional therapies may fall short. Since
Substance P is integral to pain transmission pathways, its methyl ester variant can serve as a model to
modulate this activity more effectively, potentially leading to the development of more potent
analgesics that offer relief with fewer side effects than current pain management solutions.
In
addition to pain management, Substance P-methyl ester presents opportunities in treating inflammatory
conditions. By influencing NK1 receptor pathways, which are deeply involved in the inflammatory process,
this compound might help reduce inflammatory responses. This is especially relevant in diseases where
inflammation is a core issue, such as rheumatoid arthritis, irritable bowel syndrome, and other
autoimmune disorders. Researchers explore it as a means to attenuate inflammatory cytokine release,
which could offer therapeutic benefits in controlling inflammation without compromising the immune
system’s ability to fight infections.
Furthermore, regarding mental health, Substance P-methyl
ester might provide therapeutic benefits for mood disorders. Since Substance P is implicated in anxiety
and depression, its methyl ester form could be used to adjust neurotransmitter activities in the brain,
offering potential alternative treatments for these conditions. The exploration of how this compound
affects neurokinin receptor interactions can lead to a better understanding of mood regulation
mechanisms, paving the way for novel antidepressant therapies that target specific neuropeptide
systems.
Additionally, the exploration of Substance P-methyl ester could have implications in
oncology, particularly in understanding how neuropeptides influence tumor growth and metastasis.
Substance P is involved in cell proliferation and angiogenesis, and modulating its activity with a
methyl ester variant could influence cancer treatment strategies by inhibiting tumor
progression.
As research progresses, the nuanced bio-modulatory effects of Substance P-methyl
ester suggest a broad range of therapeutic applications. Although it remains in the realm of research,
its potential in creating targeted treatments with higher specificity and fewer adverse effects than
traditional approaches continues to drive interest in its development. It underscores a need to explore
peptide-based therapies for various conditions, signaling a shift toward more biomolecular treatments
that harness natural biological processes for improved health outcomes.
What is the role of NK1
receptors in the function of Substance P-methyl ester?
NK1 receptors, or Neurokinin-1 receptors,
play a crucial role in the function of Substance P-methyl ester by serving as its primary site of
action. Substance P, with its methyl ester counterpart, is a major ligand for these receptors,
influencing several physiological responses, including pain transmission, mood regulation, and
inflammatory processes. Understanding the interaction between Substance P-methyl ester and NK1 receptors
is critical in elucidating the broader implications of peptide-receptor signaling pathways and their
effects on health and disease.
The NK1 receptor is a G protein-coupled receptor located
predominantly in the central and peripheral nervous systems. It binds with high affinity to Substance P
and, by extension, its derivatives such as Substance P-methyl ester. Upon binding, a series of
intracellular signaling cascades are triggered, which can lead to either acute physiological reactions
or long-term changes in cell function, depending on the context. For instance, in pain pathways, the
activation of NK1 receptors by these peptides influences the release of neurotransmitters involved in
nociceptive signaling, thus contributing to the perception of pain.
The interaction between
Substance P-methyl ester and NK1 receptors also plays a role in emotional and psychological processes.
Substance P is linked to the modulation of emotions, and its interactions with NK1 receptors are
explored in relation to stress responses, anxiety, and depression. This relationship suggests that
specific targeting of NK1 receptors may provide therapeutic avenues for mood disorders, offering an
alternative to traditional psychiatric medications that primarily target monoamine
systems.
Moreover, NK1 receptor activation by Substance P-methyl ester can influence immune
functions. Substance P is involved in modulating inflammatory responses, and its interaction with NK1
receptors can initiate the release of pro-inflammatory cytokines from immune cells, further elucidating
the inflammatory process's complexity. Understanding how Substance P-methyl ester uniquely interacts
with NK1 receptors can aid the development of anti-inflammatory therapies.
These interactions
make NK1 receptors a critical focal point for understanding the broader implications of neuropeptide
signaling and for developing targeted therapies that leverage these pathways for better disease
management. By focusing research efforts on how modifications of Substance P, such as the methyl ester
form, alter NK1 receptor activity, scientists hope to advance treatments that address various conditions
more effectively, from chronic pain and mental illnesses to inflammatory and immune
disorders.
How might Substance P-methyl ester contribute to understanding mood
disorders?
Substance P-methyl ester holds the potential to significantly contribute to the
understanding and treatment of mood disorders through its action on neuropeptide pathways associated
with emotional and stress responses. Mood disorders, including depression and anxiety, are complex
conditions often resulting from a combination of genetic, biological, environmental, and psychological
factors. Traditional treatment of these conditions has focused mainly on targeting monoamine
neurotransmitter systems, such as serotonin, norepinephrine, and dopamine. However, not all patients
respond adequately to these treatments, indicating the need for novel approaches.
The modulation
of Substance P and its interaction with Neurokinin-1 (NK1) receptors offers an alternative pathway for
examination in mood disorders. Substance P is not only a critical component in pain and inflammatory
pathways but also in the modulation of stress and emotion. The methyl ester form of Substance P, through
its potentially increased stability and affinity, permits a more detailed investigation of these
interactions and their physiological effects.
Research suggests that the Substance P-NK1
receptor system is intricately linked with major depression and anxiety disorders. Substance P is found
in regions of the brain that regulate emotions, such as the amygdala, and its dysregulation has been
observed to correlate with mood imbalances. By using Substance P-methyl ester to study these
interactions, researchers have a unique opportunity to map out how these peptides influence emotional
regulation. This understanding may lead to developing therapies which target NK1 receptors, thereby
offering new treatments for mood disorders.
Furthermore, the potential protective effect of
targeting Substance P pathways against stress-induced neuropsychiatric changes is a promising avenue.
Chronic stress and the resulting elevation in neurogenic inflammation, partly mediated by Substance P,
are known contributors to the development of mood disorders. Therefore, by examining how Substance
P-methyl ester interacts with NK1 pathways, scientists can explore intervention strategies that disrupt
these stress-related neurochemical cycles, potentially providing therapeutic benefits.
The
ongoing research into Substance P-methyl ester thus hopes to unveil alternative pathways that can be
targeted for mood disorder interventions, diversifying the options available to patients and offering
hope for more effective treatment regimens that complement existing therapies. By mapping intricate
peptide-receptor interactions, new clinical strategies can be devised, potentially leading to the
development of novel neurokinin receptor antagonists or modulators that help alleviate symptoms for
those resistant to current medication options and provide a clearer understanding of the underlying
neurobiology of mood disorders.
Can Substance P-methyl ester offer insights into inflammatory
processes?
Yes, Substance P-methyl ester can provide significant insights into inflammatory
processes, primarily through its interactions with neurokinin receptors, which influence immune cell
activity and cytokine production. Substance P, a member of the tachykinin family of neuropeptides, plays
a well-recognized role in modulating both neurogenic inflammation and immune responses. Through its
primary action site, the NK1 receptor, it can initiate the release of pro-inflammatory cytokines and
other mediators involved in the inflammatory response.
The capacity of Substance P-methyl ester
to engage with NK1 receptors similarly suggests that it can serve as a valuable tool for probing the
mechanistic aspects of inflammation. By studying this compound, researchers can gain insights into how
modifications to peptide structure can modulate inflammatory responses. This is particularly useful in
exploring how neuropeptides contribute to the pathophysiology of inflammatory diseases and how they
might be modulated for therapeutic gain.
A better understanding of the role played by Substance
P-methyl ester in these pathways could point to novel treatment approaches for various inflammatory
conditions, such as rheumatoid arthritis, psoriasis, or inflammatory bowel disease, where conventional
therapies that suppress the immune response often come with significant side effects. Substance P-methyl
ester’s interactions could be targeted to selectively downregulate or alter specific inflammatory
pathways, leading to more focused therapies that mitigate disease symptoms while minimizing systemic
immune suppression.
Additionally, chronic inflammation is known to play a critical role in the
progression of various systemic and neurological disorders, including Alzheimer's disease and some forms
of cancer. By analyzing how Substance P-methyl ester affects the inflammatory milieu, researchers may
uncover new strategies to combat chronic inflammation’s deleterious effects on these conditions.
Understanding these influences at a molecular level enables the refinement of existing models of
inflammation and facilitates the design of novel pharmacological interventions targeting previously
unexplored aspects of the inflammatory process.
Ultimately, the study of Substance P-methyl ester
as a mediator of inflammation offers a promising avenue not only for developing targeted
anti-inflammatory treatments but also for enhancing our understanding of the wide-reaching impacts of
neuropeptide signaling in health and disease. Through these studies, innovative therapeutic strategies
can be devised to address the root causes of inflammation-related pathologies, improving patient
outcomes and advancing the field of anti-inflammatory drug research.