Synonym |
Corticotropin (1-14) |
Species |
Human |
Protein Accession |
P01193 |
Purity |
> 95% |
Endotoxin Level |
< 1 EU/µg |
Biological Activity |
Stimulates the production of cortisol in the adrenal glands |
Expression System |
E. coli |
Fusion Tag |
None |
Predicted Molecular Mass |
2935.3 Da |
Formulation |
Lyophilized from a 0.2 μm filtered solution of 20 mM Tris-HCl, 150 mM NaCl, pH 8.0 |
Reconstitution |
Centrifuge vial before opening. Reconstitute in sterile deionized water to a concentration of
0.1-1.0 mg/ml. |
Storage & Stability |
Store lyophilized protein at -20°C. Aliquot reconstituted protein and store at -20°C to -80°C.
Avoid repeated freeze-thaw cycles. |
FAQ
What is ACTH (1-14) C75H106N20O19S 22006-64-0, and what does it do?
ACTH (1-14), scientifically
designated as C75H106N20O19S with a compound number of 22006-64-0, is a synthetic analog of a segment
from the adrenocorticotropic hormone (ACTH). This particular peptide consists of the first 14 amino
acids of the ACTH sequence, removing the remaining sequence that is present in the full ACTH. The
principal function of ACTH in its complete form is to stimulate the adrenal glands to produce
glucocorticoids such as cortisol, which play a vital role in metabolism regulation, immune response
modulation, and stress adaptation. ACTH (1-14) specifically refers to the truncated version of the
hormone, meaning it incorporates only the initiating part of the sequence, which was synthesized to
study the effects of specific segments of ACTH independently of the full hormone.
The particular
interest in ACTH (1-14) among researchers is its potential utility in understanding the biological
activity of the ACTH hormone in a more nuanced way. By isolating part of the sequence, scientists can
investigate how different segments of the hormone contribute differently to its overall function and
physiological roles. This approach helps in understanding the differentiation in receptor activation and
downstream effects that might not be apparent when observing the entire ACTH molecule. Furthermore, due
to the focus on the first 14 peptides, research may delve into aspects such as receptor binding
affinity, efficacy, and the potential neuropeptide influence independently, which has interesting
implications for neurological research, given ACTH’s role in neural activity modulation.
The
modified peptide segment offers a glimpse into peptide therapeutic potential—what smaller, more defined
ACTH fragments may be capable of when it comes to receptor targeting, side effect potential, and range
of action. This, over the full hormone, presents further pathways for pharmaceutical innovation
endeavors as well. It can be used as a prototype for creating new drugs that might mimic or alter the
effects of endogenous hormones, reflecting a growing trend in medicine focusing on peptide-based
solutions. The precise implications and capabilities of ACTH (1-14) are subjects of ongoing
investigation, with aims to better discern its selective activation of receptors or modulation of
certain physiological pathways without the broader activity scale of full-length ACTH, offering insights
that could lead to novel, more targeted therapeutic strategies.
How is ACTH (1-14) C75H106N20O19S
22006-64-0 different from full-length ACTH?
ACTH (1-14) differs significantly from its
full-length counterpart, full-length ACTH (typically composed of 39 amino acids), as it comprises only
the first 14 amino acids of the ACTH molecule. This truncated form is primarily used in research to
understand the peptide’s functional dynamics without influence from the remainder of the hormone
sequence. The complete ACTH hormone is known for inducing specific effects on the adrenal cortex,
triggering different cellular responses that culminate in the production of cortisol and other
glucocorticoids. However, by focusing on ACTH (1-14), researchers can pinpoint how the initial sequence
contributes to these responses and whether such effects can be isolated or altered.
In terms of
functional activity, full-length ACTH and ACTH (1-14) may exhibit different profiles in their ability to
bind to receptors and stimulate certain biological processes. Full-length ACTH has a well-characterized
role in informing the adrenal glands to synthesize and secrete glucocorticoids. The truncated peptide,
on the other hand, provides a framework for dissecting the binding specificity of the amino acids that
it comprises. At the level of pharmaceutical interest, understanding this specific part of ACTH opens
new avenues, particularly related to receptor activation, specificity, and desensitization phenomena,
which all have dramatic implications for therapeutic management.
Structurally, the two versions
of ACTH exist on a continuum of function where ACTH (1-14) is the starting sequence. Structure-function
studies emphasize that these shortened sequences can still retain some signaling capacity, indicating
that parts of the sequences have inherent value in docking or initiating receptor interaction, although
not necessarily leading to full hormonal response. Furthermore, the lack of additional residues in ACTH
(1-14) simplifies the molecular makeup, thereby aiding in the potential reduction of unintended side
effects or unpredictable actions that are sometimes observed with the complete sequence.
In
essence, ACTH (1-14) represents a smaller, more controlled investigation piece that provides utility in
foundational research. Evaluating its own distinct properties compared to full ACTH can enhance
understanding of sequence segment contributions to hormone function, growth, and expansion into
therapeutic lines of inquiry, enhancing the evidence-based assessment of peptide therapy and furthering
developments of targeted treatment approaches.
What is the significance of the chemical
composition C75H106N20O19S for ACTH (1-14)?
The chemical composition C75H106N20O19S embodies the
elemental make-up of the peptide ACTH (1-14), marking crucial scientific insight into its structure and
function. Each aspect of this composition plays a role in the peptide's formation, characteristics, and
potential biological activity, which collectively describe the peptide's functionality in various
physiological or investigative frameworks. The elements in this formula denote the specific count of
each atom present in the peptide, contributing to intricate folding, the formation of active sites, and
receptor interactions that define peptides and proteins.
Carbon (C), making up 75 atoms in this
compound, forms the backbone of the peptide structure. It allows for the varied array of molecular
interactions because of its significant versatility within organic chemistry, extending the structural
complexity necessary for biological activity. Hydrogen (H) atoms, totaling 106, are pivotal for
maintaining the three-dimensional structural integrity of the peptide, through bonds that create
specific folding patterns stabilized by secondary structures like alpha-helices and
beta-sheets.
Nitrogen (N), included with 20 atoms, is crucial for peptide bond formation, linking
amino acids into the peptide chain. This bonding establishes the primary sequence of the peptide,
defining the biological function through the sequence of joint residues. Oxygen (O), 19 atoms present,
partakes in forming carbonyl and other groups crucial for structural stabilization, intramolecular
bonding, and are essential for facilitating interactions with receptors and other proteins in biological
systems.
Sulfur (S) with a single atom in the peptide composition may participate in the
formation of disulfide linkages when present in residues like cysteine that occur in longer forms of the
peptide, though in ACTH (1-14) it could have limited involvement in more complex disulfide bonding
networks. However, it still plays a role in potential interactions with other protein interfaces, giving
specificity to the peptide configuration and function.
Overall, the notation C75H106N20O19S
underscores the precision involved in understanding peptide chemistry and is significant to how
researchers frame experimental approaches to investigate its implications in biological systems. Each
number and element denotes a careful balance that comprehensively determines peptide behavior,
influencing how ACTH (1-14) interacts with biological environments, offering a glimpse into its specific
potential applications in medicine and therapeutics research. Appreciating the complex interaction of
these atoms provides insights into how similar peptides might be utilized or modified for enhanced
biological function or therapeutic purpose.
How is ACTH (1-14) C75H106N20O19S 22006-64-0 used in
research?
ACTH (1-14), identified by its specific molecular formulation C75H106N20O19S and CAS
number 22006-64-0, is primarily leveraged in academic and biopharmaceutical research owing to its
ability to spotlight specific mechanisms of hormonal activity. Its primary usage is to unravel the
particular roles of peptide segments in broader protein function, focusing on its role in receptor
interactions. By isolating this segment of the ACTH hormone, researchers can delve into investigations
regarding receptor specificity, signal transduction processes, and secondary cellular responses
attributable to precise amino acid sequences.
A significant area of study with ACTH (1-14) is its
neuropeptide activity, where researchers inspect how truncated peptides can affect neurological
processes and receptor activities. Since ACTH influences neurological functions along with its endocrine
roles, ACTH (1-14) can be a model to comprehend how peptides affect synaptic transmission,
neuroplasticity, and modulation of neurotransmitter release. These insights have implications for
neurological research, including potential therapeutic avenues for neurodegenerative diseases, mood
disorders, and cognitive function inquiries.
In endocrinological contexts, studies involving ACTH
(1-14) often aim to discern specific pathways of adrenal stimulation outside of traditional cortisol
production roles. This reflects on delineating peptide hormone actions beyond the full hormonal extent,
examining the signalling triggered from only the initial part of the peptide sequence. By undertaking
this focused examination, scientists can understand fragment-dependent activity, which might correlate
to receptor profile nuances, possibly leading to innovative endocrinological interventions with
minimized adverse effects.
Biochemically, the properties of ACTH (1-14) are investigated for its
potential roles in protein folding, stability, receptor binding, and its efforts to discern multiple
receptor modulation. Structural biology studies aim to construct models to understand how the peptide
interacts at the atomic level with corticosteroid receptors and mimetic pathways. Through physical and
computational simulations, the peptide can serve as a probe to decipher receptor kinetics, structural
interaction potential, and perhaps alternative peptide design for improved therapeutic
profiles.
Researchers might also use ACTH (1-14) within assays to establish higher efficacy
treatments or inform diagnosis strategies regarding adrenal and pituitary disorders. Understanding ACTH
(1-14) facilitates a more profound comprehension of adrenal response modulation, which is crucial for
conditions like Addison's disease or pituitary-adrenal pathologies. By examining first-hand the
peptide-mediated cellular communications, ACTH (1-14) could spotlight specific receptor targeting
methods that enable heightened control and diagnostic precision in handling these challenging
disorders.
What are the potential therapeutic applications of ACTH (1-14) C75H106N20O19S
22006-64-0?
While ACTH (1-14) C75H106N20O19S in its primary usage serves as a research tool,
there are broader investigative inquiries into its potential therapeutic applications that result from
its particular action as a truncated peptide sequence of ACTH. Therapeutic potential can be especially
noted in conditions wherein control over glucocorticoid production or receptor site modulation is
essential. As it functions as a segment of the more extensive ACTH hormone, ACTH (1-14) might carry
distinct properties that offer unique benefits in clinical applications when dissected from the full
hormone structure.
One therapeutic avenue pertains to its use in conditions associated with the
central nervous system. Given ACTH's known effects on cognitive and emotional states due to its action
on neural tissue, ACTH (1-14) may help in modulating these states, offering a nuanced approach to
managing stress-related disorders or neurodegenerative conditions. The task is in delineating the
signalling cascades attributable to the peptide’s shortened form, facilitating more targeted
interventions that isolate compensatory or regulatory pathways that existing treatments don't currently
address.
Endocrine disorders offer another potential area where ACTH (1-14) could play a role in
modulating adrenal production of glucocorticoids. By providing selectivity towards specific receptor
subtypes, it might be feasible to regulate adrenal overproduction or suppression with fewer side effects
than using synthetic glucocorticoid treatments or the full hormone itself. The quest here is in refining
application methods that may allow for differential patterning of hormone synthesis, aligning therapy
more closely with patient symptomatology and pathophysiology.
Anti-inflammatory properties often
link with glucocorticoid-modulating agents, suggesting that ACTH (1-14) might be tailored for
interventions in inflammatory or immunological settings. By modulating these pathways through downstream
effects related to this peptide fragment, one could explore areas such as autoimmune disease management,
where tuning immune activity without broad-spectrum hormone impact is desirable.
Additionally, in
dermatological research, ACTH (1-14) might provide a foundation for treatments concerning skin health
and healing. Through modulation of glucocorticoid pathways, it could have applications in treating
pathologies related to skin, such as chronic inflammatory diseases, certain proliferative disorders, or
accelerated wound healing. A fractionated peptide's role could allow recalibration of cellular growth
cycles and immunity balance, fostering healthier tissue outcomes in affected individuals.