Synonym |
HK1 |
Species |
Human |
Protein Accession |
Q96A04 |
Purity |
Greater than 95% as determined by SDS-PAGE |
Endotoxin Level |
Less than 1 EU/ug |
Biological Activity |
Fully biologically active when compared to standard. The ED50 as determined by a cell
proliferation assay using human TF-1 cells is less than 10 ng/ml, corresponding to a specific
activity of > 1.0 × 10^5 IU/mg. |
Expression System |
Baculovirus-Infected Sf9 Insect Cells |
Fusion Tag |
None |
Predicted Molecular Mass |
Approximately 4.1 kDa |
Formulation |
Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA |
Reconstitution |
It is recommended to reconstitute the lyophilized Hemokinin 1 in sterile 18MΩ-cm H2O not less
than 100 µg/ml, which can then be further diluted to other aqueous solutions. |
Storage & Stability |
Lyophilized Hemokinin 1 although stable at room temperature for 3 weeks, should be stored
desiccated below -18°C. Upon reconstitution HK1 should be stored at 4°C between 2-7 days and for
future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1%
HSA or BSA). Avoid repeated freeze-thaw cycles. |
FAQ
What is Hemokinin 1 (human) and what role does it play in the human body?
Hemokinin 1 is a
peptide belonging to the tachykinin family, which is a group of neuropeptides best known for their role
in neurotransmission. Structurally, Hemokinin 1 is similar to other tachykinins like Substance P, which
has been extensively studied for its involvement in inflammatory processes and pain perception.
Hemokinin 1 is encoded by the TAC4 gene in humans and is expressed in various tissues, including the
immune system and reproductive organs. Historically, much attention in research was given to Substance P
and similar tachykinins, but recent studies have shined light on the distinctive roles of Hemokinin 1,
suggesting its unique actions apart from traditional tachykinins.
The potential functions of
Hemokinin 1 in the body are diverse. One crucial role is in the modulation of immune responses.
Hemokinin 1 appears to influence the balance and activities of immune cells, including macrophages and
lymphocytes. By acting on these cells, Hemokinin 1 may mediate pro-inflammatory and anti-inflammatory
responses, which are vital for the body's ability to respond to infections and injuries. It also plays a
role in the sensory nervous system. The peptide can influence nociception, or the sensory nervous
system's response to pain, suggesting that Hemokinin 1 could be involved in regulating pain thresholds
and responses.
Furthermore, research indicates that Hemokinin 1 might impact vasodilation and
vasoconstriction, the processes by which blood vessels widen and narrow respectively. This suggests a
possible role in cardiovascular regulation, where it could affect blood pressure and flow. In
reproductive biology, Hemokinin 1 might also be important, given its expression in reproductive tissues
and potential involvement in reproductive processes, although this area requires further
exploration.
Overall, Hemokinin 1 represents an intriguing peptide with multiple physiological
roles potentially extending into immune modulation, sensory processing, cardiovascular health, and
reproductive biology. Understanding Hemokinin 1 better could offer insights into novel therapeutic
targets for conditions such as chronic inflammatory diseases, pain management issues, and even
cardiovascular disorders. Continued research will likely reveal more about its complex roles and
applications in human health.
How does Hemokinin 1 (human) differ from other related peptides
such as Substance P?
Hemokinin 1 and Substance P, while sharing membership within the tachykinin
family, exhibit both structural similarities and functional distinctions that highlight their unique
roles in human physiology. Structurally, both peptides share a common C-terminal sequence that is
characteristic of tachykinins, yet they are encoded by different genes— Hemokinin 1 by the TAC4 gene,
whereas Substance P by the TAC1 gene. This structural similarity is crucial because it dictates their
ability to bind particular receptor subtypes, primarily the neurokinin-1 (NK1) receptor. However,
despite some overlap in receptor interaction, Hemokinin 1 and Substance P have distinct affinities and
signaling capabilities, contributing to their divergent roles in various biological
processes.
One of the notable differences is in their expression and functional implications in
different tissues. While Substance P is predominantly found in the central and peripheral nervous
systems and is heavily involved in pain perception and inflammatory responses, Hemokinin 1 has a broader
expression, notably within the immune system and certain peripheral tissues. Hemokinin 1's significant
role within the immune system highlights its potential involvement in modulating immune responses, where
it may regulate activities of immune cells like macrophages and lymphocytes—an aspect less pronounced
with Substance P.
Moreover, these peptides differ in their contributions to physiological and
pathophysiological processes. Hemokinin 1 has shown unique immunological roles, potentially impacting
conditions involving immune dysregulation. In contrast, Substance P is widely recognized for its
contributions to neurogenic inflammation and pain pathways, where it facilitates the release of
pro-inflammatory cytokines and mediates the response to acute pain stimuli.
Hemokinin 1 may also
influence vascular and reproductive systems differently compared to Substance P. Early studies suggest
Hemokinin 1 might play a role in vascular regulation by affecting blood vessel constriction and
dilation, thereby potentially influencing blood pressure and flow. Additionally, its presence in
reproductive tissues hints at possible roles in reproductive physiology and pathology, although these
areas require further research.
Collectively, while Hemokinin 1 and Substance P are both integral
to body function, their distinct gene origins, patterns of expression, and specific biological roles
allow them to contribute uniquely to health and disease. These differences open avenues for targeted
therapeutic strategies focusing on Hemokinin 1 for immune-related conditions or Substance P for managing
pain and inflammation, reflecting their specialized yet overlapping roles within the tachykinin
family.
In what research areas is Hemokinin 1 (human) currently being studied, and what potential
applications may arise from these studies?
Hemokinin 1 is currently a focus of research in
several fields due to its broad potential applications in human health and disease management. One key
area of investigation is the immune system, where researchers are exploring Hemokinin 1's role in
modulating immune responses. This peptide is thought to influence the activity of immune cells such as
lymphocytes and macrophages, which are crucial for maintaining immune homeostasis and fighting
infections. Understanding Hemokinin 1's exact role and mechanisms in the immune system could lead to new
therapeutic approaches for autoimmune diseases, allergies, and other immune-related disorders by
modulating immune cell behavior to achieve desired outcomes.
Another significant area of study is
pain management. Hemokinin 1 has been implicated in nociception, the sensory process that provides the
signals that lead to pain. By elucidating the specific pathways through which Hemokinin 1 contributes to
pain perception and modulation, researchers aim to develop novel analgesic drugs that could provide
relief for chronic pain sufferers without the side effects associated with many current pain
medications. This could have profound implications for millions of individuals experiencing chronic pain
and could significantly enhance quality of life.
In addition to immune and pain research,
Hemokinin 1 is being investigated for its role in cardiovascular health. Preliminary studies suggest
that Hemokinin 1 may influence blood vessel tone and, consequently, blood pressure regulation. This line
of research could pave the way for new treatments for hypertension and related cardiovascular disorders,
potentially reducing the risk of associated complications such as stroke and heart disease by targeting
pathways involving Hemokinin 1.
Reproductive health is another intriguing research area where
Hemokinin 1 is being explored. Given its expression in reproductive tissues, scientists are
investigating its potential roles in fertility, pregnancy, and reproductive health disorders.
Understanding these roles could lead to innovations in reproductive medicine, including fertility
treatments and interventions for reproductive system disorders.
Finally, Hemokinin 1 is also
being studied in the context of cancer research. Some findings suggest that it may be involved in tumor
progression or suppression, although the mechanisms remain to be fully understood. This could eventually
lead to novel cancer therapies that exploit Hemokinin 1's interactions within the tumor
microenvironment, offering new hope for treatment strategies.
Overall, the ongoing research into
Hemokinin 1 is poised to significantly expand our understanding of this peptide and its wider
implications. Each of these research areas holds promise not only for advancing scientific knowledge but
also for developing innovative treatments that could profoundly impact various aspects of human health,
addressing unmet medical needs and providing new care options for patients worldwide.
What are
the potential therapeutic benefits of targeting Hemokinin 1 (human) in medical
treatments?
Targeting Hemokinin 1 in medical treatments presents several potential therapeutic
benefits owing to its distinctive roles in various physiological processes. One of the most promising
applications lies in the area of immunotherapy. Given Hemokinin 1's involvement in modulating immune
responses, it represents a potential target for conditions that involve immune system dysregulation,
such as autoimmune diseases and chronic inflammatory conditions. By targeting pathways associated with
Hemokinin 1, it may be possible to develop treatments that effectively balance immune responses,
reducing pathological inflammation while still allowing the immune system to function
adequately.
In the realm of pain management, Hemokinin 1 offers a novel therapeutic target
distinct from traditional pain relief mechanisms. Its involvement in nociceptive pathways—those
associated with the sensation of pain—suggests that modulating Hemokinin 1's activity could help in
managing chronic pain conditions. Current pain medications, such as opioids, have significant drawbacks,
including addiction potential and severe side effects. By developing drugs that specifically target
Hemokinin 1 pathways, it may be possible to achieve effective pain relief with fewer adverse effects,
providing a safer alternative for patients with chronic pain.
Furthermore, cardiovascular health
is another area where Hemokinin 1 targeted therapies might prove beneficial. If ongoing research
confirms its role in regulating blood pressure through effects on vasodilation and vasoconstriction,
Hemokinin 1 could become a target for managing hypertension and preventing its complications. This
approach could lead to therapies that offer more precise regulation of vascular function and better
cardiovascular outcomes, augmenting current treatment options.
Additionally, targeting Hemokinin
1 might have implications for reproductive health and fertility treatments. Since Hemokinin 1 is
expressed in reproductive tissues, therapies involving this peptide could explore ways to enhance or
regulate reproductive processes, addressing infertility issues or disorders related to reproductive
health. This could open new pathways in reproductive medicine and offer additional therapeutic
strategies for individuals seeking reproductive assistance.
Finally, in oncology, understanding
Hemokinin 1's potential role in cancer biology could lead to innovative treatment regimens. If Hemokinin
1 influences tumor growth or metastatic behavior, it could become a target for cancer therapies, either
independently or in conjunction with current treatment modalities. Such therapies could be aimed at
disrupting tumor-promoting pathways specific to Hemokinin 1, potentially hindering cancer progression
and improving survival rates.
Overall, targeting Hemokinin 1 represents an exciting frontier with
the potential to impact various aspects of medical treatment. The diversity of processes that Hemokinin
1 is involved in—ranging from immune modulation and pain management to cardiovascular, reproductive, and
cancer biology—suggests that advances in targeting this peptide could yield significant therapeutic
breakthroughs. Achieving these advances will require a deeper understanding of Hemokinin 1's specific
roles and mechanisms, but the potential benefits for patient care and treatment options are
substantial.
How is Hemokinin 1 (human) studied in laboratory settings, and what methodologies
are used to explore its functions?
Studying Hemokinin 1 in laboratory settings involves a variety
of sophisticated methodologies designed to elucidate its complex roles and actions in the human body.
One of the foundational approaches to studying Hemokinin 1 is through molecular and cellular biology
techniques. This involves analyzing the expression patterns of Hemokinin 1 at the genetic level.
Researchers use quantitative polymerase chain reaction (qPCR) and RNA sequencing to assess the
expression of the TAC4 gene, which encodes Hemokinin 1, in different tissues under varying conditions.
These techniques provide a basis for understanding where Hemokinin 1 is produced and potentially active,
offering insights into its physiological and pathophysiological roles.
Further, researchers often
employ in vitro studies using cultured cells to investigate Hemokinin 1's effects on specific cell
types. This might involve adding synthetic Hemokinin 1 to cultures of immune cells, such as macrophages
or lymphocytes, to observe changes in cell behavior, signaling pathways, or immune responses. Cell
cultures provide a controlled environment to dissect the cellular mechanisms by which Hemokinin 1
operates. Biochemical assays, such as enzyme-linked immunosorbent assays (ELISA) for protein
quantification, or Western blotting for protein detection, are frequently utilized to quantify Hemokinin
1 and its receptors or evaluate downstream signaling molecules influenced by its activity.
Animal
models represent another critical methodology in studying Hemokinin 1. Genetically modified mice, for
example, with overexpression or deletion of TAC4, are used to assess Hemokinin 1’s physiological effects
and its role in disease models. These animal studies are invaluable for understanding the in vivo
functions of Hemokinin 1, including its impact on systemic immune responses, pain perception,
cardiovascular function, and reproductive processes. The insights garnered from these models contribute
significantly to our understanding of how Hemokinin 1 might be leveraged therapeutically in
humans.
Advanced imaging techniques also contribute to the study of Hemokinin 1. Techniques such
as immunohistochemistry facilitate visualizing Hemokinin 1 within tissues, helping to reveal its spatial
distribution and potential sites of action. Additionally, cutting-edge methodologies like optogenetics
and CRISPR gene editing are being explored to precisely manipulate Hemokinin 1 pathways, either by
controlling its expression or altering receptor interactions, to better understand its biological roles
and therapeutic potentials.
Finally, proteomics and bioinformatics offer new frontiers in
analyzing the interactions of Hemokinin 1 with other proteins and its impact on broader biological
networks. These technologies can uncover novel pathways influenced by Hemokinin 1 and identify potential
cross-talk with other signaling molecules, thereby expanding our comprehension of its role in health and
disease.
Collectively, these diverse laboratory approaches provide a comprehensive toolkit for
dissecting the multifaceted nature of Hemokinin 1, offering insights that could eventually lead to the
development of targeted therapies across multiple medical fields, from immunology and pain management to
cardiovascular and reproductive health. The continuous advancement in these methodologies promises to
deepen our understanding of Hemokinin 1, unlocking its full potential as a therapeutic target.