Synonym |
CCK-33 (10-20) (bovine, porcine) |
Species |
Bovine, Porcine |
Protein Accession |
NA |
Purity |
Greater than 95% |
Endotoxin Level |
Less than 1 EU/µg |
Biological Activity |
NA |
Expression System |
NA |
Fusion Tag |
NA |
Predicted Molecular Mass |
NA |
Formulation |
Lyophilized from a 0.2 µm filtered solution in Acetonitrile and TFA |
Reconstitution |
Centrifuge vial before opening. Reconstitute in sterile ddH2O to a concentration of 0.1-1.0
mg/ml. |
Storage & Stability |
Store at -20°C upon receipt, aliquot and store at -20°C. Avoid freeze-thaw cycles. |
FAQ
What is Cholecystokinin-33 (10-20) (bovine, porcine), and what are its primary applications in research?
Cholecystokinin-33 (10-20) (bovine, porcine) is a significant peptide fragment derived from the
larger cholecystokinin (CCK) molecule found in both bovine and porcine species. Cholecystokinin is a
well-studied hormone due to its profound impact on digestion and appetite regulation. This specific
fragment, Cholecystokinin-33 (10-20), is of interest primarily for those engaged in nutritional,
biochemical, and endocrinological research. Researchers utilize this peptide to understand various
processes related to enzyme secretion, gallbladder contraction, and satiety signaling pathways.
In particular, the sequence of amino acids comprising this fragment offers insights into protein
structure-function relationships in hormone-receptor binding studies. By researching how this segment
interacts with specific receptor subtypes, researchers can elucidate the physiological and
pathophysiological roles of CCK in digestion and appetite control. Furthermore, there is an immense
interest in its implications on the central nervous system due to its impact on anxiety, pain
perception, and feeding behavior regulation. Experimental studies often focus on its varied effects in
both central and peripheral systems.
Moreover, the use of Cholecystokinin-33 (10-20) often
intersects with pharmacological research aimed at developing therapeutic treatments for diseases such as
pancreatitis, obesity, and anorectic disorders. Investigators delve into its potential to alter nutrient
digestion rates and modulate feelings of fullness, potentially reconfiguring food intake behaviors. With
growing concerns over metabolic syndromes, this peptide fragment serves as a critical tool for advancing
therapeutic strategies, making it a molecule of substantial significance in research domains focused on
metabolic health and disease modulation.
How does Cholecystokinin-33 (10-20) (bovine, porcine)
contribute to understanding digestive enzyme secretion?
Cholecystokinin-33 (10-20) (bovine, porcine)
plays an enlightening role in the intricate processes of digestive enzyme secretion. In the digestive
system, cholecystokinin is instrumental in the regulation of pancreatic enzyme release, and studying its
effects can offer fundamental insights into this essential biological function. This particular segment
of the CCK molecule is used to investigate the peptide's precise interactions with its receptor on
pancreatic acinar cells, leading to enzyme secretion.
The binding affinity and specificity of
Cholecystokinin-33 (10-20) to CCK receptors on the pancreas have driven considerable interest. The
binding process initiates a cascade of signaling events within the acinar cells, culminating in the
exocytosis of digestive enzymes such as amylase, lipase, and proteases. Researchers use this peptide to
delineate the signaling pathways activated upon binding, including the roles of secondary messengers
like inositol trisphosphate and calcium ions. These studies facilitate a deeper understanding of the
gastrin and CCK receptors' dual roles, particularly in cases where pancreatic secretion is anomalous,
like in pancreatitis or other digestive disorders.
Additionally, using this peptide, scientists
can observe its role in the modulation of gastric emptying and acid secretion, which also ties back to
its regulatory influence over pancreatic secretions. Due to the intricate feedback mechanisms in
digestion, learning how Cholecystokinin-33 (10-20) affects these processes enhances our knowledge of
gastrointestinal physiology and paves the path for therapeutic interventions in digestive diseases. This
fragment's ability to simulate enzymatic responses in experimental setups sheds light on
gastrointestinal pathophysiology and enables researchers to evaluate the potential of receptor-specific
drugs that might mimic or inhibit CCK functions, further emphasizing its critical value in biomedical
research.
What is the significance of Cholecystokinin-33 (10-20) (bovine, porcine) in satiety
research and its potential applications in obesity studies?
Cholecystokinin-33 (10-20) (bovine,
porcine) is a key focus in satiety research, primarily due to its pivotal role in signaling fullness to
the brain during and after meals. Cholecystokinin (CCK), a gut hormone released post-ingestion, is known
to play a significant role in short-term appetite control. This fragment is crucial for examining the
physiological and molecular mechanisms underpinning this effect. By investigating Cholecystokinin-33
(10-20), researchers can dissect the signaling pathways involved in satiety and understand its broader
implications on feeding behaviors and energy regulation.
This peptide interacts with CCK
receptors that exist both in the peripheral nervous system and the central nervous system, promoting a
sense of fullness and reducing food intake. The selectivity of Cholecystokinin-33 (10-20) for specific
forms of these receptors, such as CCK-1 (CCK-A), further optimizes its utility in satiety research.
Researchers explore this interaction to understand how these receptors might be involved in processing
hunger cues and modulating eating behavior, with far-reaching implications for tackling obesity and
related metabolic disorders.
In developing potential obesity treatments, understanding
Cholecystokinin-33 (10-20)’s effect on satiety is invaluable. Pharmacological applications might involve
creating CCK-mimicking drugs that can sustainably regulate hunger and reduce excessive food consumption.
Given the rising prevalence of obesity globally, targeting satiety pathways with a high specificity for
receptor subtypes could play a pivotal role in formulating new therapeutic approaches. Addressing how
this peptide influences food intake through neurohormonal pathways can lay the groundwork for
anti-obesity drugs that aid in long-term weight management without adverse side effects typically
associated with appetite suppressants.
Furthermore, participating in a careful balance of energy
intake and expenditure, Cholecystokinin-33 (10-20) provides a biological checkpoint that can be
modulated for preventive approaches against overweight and obesity. Understanding its mechanism of
action in the modulation of satiety and the gut-brain axis provides a robust framework for scientific
advancements in nutrition and metabolic health, positioning this peptide as a cornerstone in obesity
research and therapeutic development.
How is Cholecystokinin-33 (10-20) (bovine, porcine)
utilized in studies focused on brain-gut interaction?
Cholecystokinin-33 (10-20) (bovine, porcine)
is profoundly significant in elucidating the brain-gut interaction, an intricate communication system
that maintains homeostasis in bodily functions such as digestion and appetite control. CCK, including
its various fragments like Cholecystokinin-33 (10-20), serves as a crucial component within this
dialogue, as it acts on both peripheral and central receptors, thereby influencing gastrointestinal
motility and food intake.
Research utilizing this peptide often focuses on its capacity to impact
the central nervous system, particularly the regions involved in satiety and stress response. By
activating receptors such as CCK-2 (CCK-B), which are abundantly located in the brain, this peptide
provides critical insights into how gut hormones might influence mood, anxiety, and cognitive
functions—a branch of study becoming increasingly relevant in conditions where both gastrointestinal and
psychological symptoms co-exist.
Experimental applications include intracerebral administration
of Cholecystokinin-33 (10-20) to ascertain its effects on neurotransmitter release and synaptic
plasticity, thereby illuminating its role in neurogastroenterological pathways. Evaluating changes in
brain activity following peptide administration can reflect the impact of gastrointestinal signals on
neural circuits and vice versa, offering insights into potential targets for drug development aiming to
treat disorders such as irritable bowel syndrome (IBS) where stress and gut symptoms are
interlinked.
Furthermore, the analysis of such peptides in brain-gut research holds the potential
for developments in managing stress-related eating and depression, showcasing possible therapeutic
frameworks targeted at improving mental health through dietary interventions. This peptide fragment's
regulatory effects underscore its application in discerning mechanisms of bidirectional communication
systems, specifically how peripheral gut signals can affect higher centers in the brain responsible for
regulating emotions and autonomic functions.
Overall, Cholecystokinin-33 (10-20) (bovine,
porcine) serves as a foundational tool for advancing our understanding of brain-gut interactions,
providing a multifaceted approach to tackle a broad spectrum of physiological and neuropsychological
disorders, highlighting its indispensable role in integrative biomedical science research.
Can
Cholecystokinin-33 (10-20) (bovine, porcine) help in the development of therapies for anxiety or panic
disorders?
The role of Cholecystokinin-33 (10-20) (bovine, porcine) in the development of therapies
for anxiety or panic disorders is an intriguing area of research, rooted in the peptide's activity in
the central nervous system. Cholecystokinin acts bluntly beyond digestive processes; its influence on
emotion regulation and stress response is well-documented, primarily due to its interaction with
neurotransmitter pathways within the brain.
This peptide fragment can bind to CCK-B receptors,
which are implicated in the modulation of anxiety and panic responses. The exploration of
Cholecystokinin-33 (10-20) in this context helps identify alterations in receptor function or expression
that may contribute to disorders such as generalized anxiety disorder and panic disorder. Studies often
involve observing behavioral responses and neurochemical changes following administration of this
fragment to model organisms, offering clues toward its anxiogenic or anxiolytic potential.
By
focusing on this peptide, researchers hope to discern how the balance between CCK and other
neuropeptides such as gamma-aminobutyric acid (GABA) and serotonins influence affective states. The
anxiogenic properties of CCK make it a candidate for studying the neurobiological underpinnings of
anxiety—an essential step toward innovative psychiatric therapies. If characterized accurately,
potential treatments that either block or modulate CCK receptor subtypes could emerge, presenting new
frontiers in personalized medicine for anxiety management.
Moreover, the combination of
Cholecystokinin-33 (10-20) with other therapeutic agents might provide combined pharmacological
strategies to enhance efficacy or minimize side effects for existing therapies. The therapeutic
potential lies in manipulating endogenous pathways to restore receptor balance, leverage behavior
modification, and harness effective stress mitigation.
Hence, Cholecystokinin-33 (10-20) is not
just a peptide of interest for gastrointestinal research, but also for understanding complex
neuropsychological states, broadening prospects for clinical interventions. Such a multifaceted approach
underscores the peptide's emergent value in uncovering effective treatment avenues for mental health
conditions, exemplifying its burgeoning importance in neuropharmacological research.
How is
Cholecystokinin-33 (10-20) (bovine, porcine) used to explore the relationship between gut peptides and
pain perception?
Research into Cholecystokinin-33 (10-20) (bovine, porcine) and its impact on pain
perception represents a fascinating intersection of endocrinology and neurology. Within the broader
scope of understanding how gut-derived hormones influence perception, CCK's function as a modulator of
pain underscores the bi-directional communication between the gut and nervous system with potential
implications for chronic pain management.
This peptide fragment, when studied, has been shown to
exert varying effects on pain pathways, implicating CCK receptors as potential targets in pain
processing. The ability of Cholecystokinin-33 (10-20) to bind to specific receptors involved in
nociception, particularly in conjunction with opioid receptors, has fueled investigations into its role
in augmenting or inhibiting pain responses. In some contexts, CCK is known to counteract analgesic
effects typically mediated by endogenous opioids, which prompts exploration into its inhibitory
mechanisms on descending pain modulation pathways.
Experimental paradigms often utilize this
peptide in combination with nociceptive stimuli to establish its effects on pain threshold and
perception in animal models. Researchers evaluate changes in neurotransmitter release and receptor
activation to fully gauge how gut peptides like Cholecystokinin-33 (10-20) interact within pain
circuits. These insights are crucial in determining how chronic pain states, including visceral pain
tied to digestive disorders, might be managed through modulation of the CCK signaling
system.
Additionally, this peptide is instrumental in examining conditions linked to heightened
pain sensitivity, such as irritable bowel syndrome (IBS) or fibromyalgia, where its polymodal effects on
both peripheral nervous system and central pain processing components can reveal novel therapeutic
targets. The therapeutic implications are vast—with pain often being difficult to manage, the ability to
precisely manipulate CCK pathways could lead to revolutionary analgesic treatments that harness the
nuance of gut-brain interactions.
Thus, Cholecystokinin-33 (10-20) acts as a fundamental tool in
pain research, aiding in understanding how gastrointestinal peptides influence central pain processing
pathways and offering a promising avenue for developing innovative, targeted therapies for pain relief
that circumvent the side effects of traditional pain management medications.
What are the
potential outcomes of Cholecystokinin-33 (10-20) (bovine, porcine) research for developing metabolic
disorder interventions?
Cholecystokinin-33 (10-20) (bovine, porcine) research holds significant
promise for developing novel interventions targeting metabolic disorders, predominantly because of its
roles in food intake regulation and energy balance. Metabolic disorders such as obesity, diabetes, and
metabolic syndrome involve complex interplays between hormonal signals, enzyme activities, and nutrient
uptake, making understanding these interactions crucial for therapeutic developments.
The
peptide's capacity to modulate satiety and stimulate pancreatic exocrine functions is particularly
valuable. For instance, one of the core interests lies in its effect on meal-induced hormonal responses,
which are crucial for maintaining metabolic homeostasis. Understanding how this fragment can influence
CCK receptor activity potentially leads to the development of CCK-analog drugs designed to optimize
digestive enzyme secretion, facilitating better digestion and nutrient absorption without triggering
excessive hunger pangs or related metabolic triggers.
Additionally, Cholecystokinin-33 (10-20)
offers insights into controlling unhealthy lipid accumulation and glucose homeostasis. By deciphering
its signaling pathways related to nutrient sensing and storage, researchers hope to develop therapeutic
strategies that enable better control over blood sugar levels and lipid profiles. This is ever more
significant in the face of burgeoning global diabetes rates, where efficient and safe intervention
mechanisms are continuously sought.
Given its influence on reducing meal size and interaction
with dietary fats, this peptide is a key tool for researchers examining body weight management and the
hormonal basis of obesity. Understanding these dynamics could inform nutritional interventions and
pharmaceutical strategies that either mimic or inhibit CCK activity, thereby offering alternatives to
traditional weight loss strategies—often fraught with compliance issues and adverse
effects.
Thus, Cholecystokinin-33 (10-20) (bovine, porcine) represents a cornerstone in metabolic
disorder research, bridging gaps between basic scientific exploration and translational medicine. By
potentially enabling the rational design of therapies aimed at restoring metabolic equilibrium, this
peptide begins to unlock newer possibilities in combatting a range of disorders, providing hope for
healthier global communities.
How does research involving Cholecystokinin-33 (10-20) (bovine,
porcine) advance understanding of peptide-receptor interactions in drug development?
Delving into
Cholecystokinin-33 (10-20) (bovine, porcine) research enriches our understanding of peptide-receptor
interactions, pivotal for drug development. Peptide-receptor interactions are foundational in
pharmacology, underlining drug efficacy, specificity, and safety. Cholecystokinin (CCK) receptors,
particularly CCK-A and CCK-B, are widespread and demonstrate diverse physiological roles, necessitating
a clear comprehension of their binding dynamics—something well-studied via Cholecystokinin-33
(10-20).
This peptide provides a practical model to examine ligand-receptor specificity,
affinity, and resultant downstream effects, vital for therapeutic targeting. Its binding to the CCK-A
receptor, predominantly located in the gastrointestinal system, offers insights into novel targets for
gastrointestinal disorders, including treatments enhancing digestive enzyme production or modulating gut
motility. Similarly, interactions with the CCK-B receptor—dispersed throughout the central nervous
system—hold promise for CNS drug development, potentially targeting neuropsychiatric and
neurodegenerative disorders.
Using advanced techniques like molecular docking, site-directed
mutagenesis, and real-time binding assays within Cholecystokinin-33 (10-20) studies allow scientists to
finely map these interactions. Understanding conformational changes and how these lead to specific
physiological or pathological responses is crucial in designing peptides or small molecule drugs with
therapeutic potential. This form of targeted drug design ensures high efficacy and reduced side effects,
addressing concerns with broad-acting drugs.
Moreover, interacting with non-traditional sites or
allosteric regulation points observed in these studies can inspire innovative therapeutic approaches.
Cholecystokinin-33 (10-20)'s applications help decipher these complex interactions and aid in
bioengineered peptide design, leveraging its sequence for analog synthesis that can overcome stability
and delivery challenges inherent with peptide therapeutics.
Overall, research involving this
peptide signifies a critical step in transforming fundamental bioscience into applicable therapeutic
solutions. It bridges critical knowledge gaps between molecular biology and pharmacotherapy,
facilitating the creation of next-generation drugs tailor-made for specific receptor interactions and
advancing personalized medicine paradigms ready to meet modern healthcare challenges.