Synonym |
CTNP |
Species |
Human |
Protein Accession |
P01258 |
Purity |
> 95% |
Endotoxin Level |
< 1.0 EU per µg |
Biological Activity |
N/A |
Expression System |
E. coli |
Fusion Tag |
None |
Predicted Molecular Mass |
3.5 kDa |
Formulation |
Lyophilized from a 0.2 µm filtered solution in PBS |
Reconstitution |
Centrifuge vial before opening. Reconstitute in sterile ddH2O to a concentration of 0.1-1.0
mg/ml |
Storage & Stability |
Store at -80°C. Avoid repeated freeze-thaw cycles. |
FAQ
What is Calcitonin N-Terminal Flanking Peptide (human) and how is it related to
calcitonin?
Calcitonin N-Terminal Flanking Peptide (human) is a peptide sequence associated with
the secretion and function of calcitonin. Calcitonin is a hormone produced primarily by the
parafollicular cells (also known as C-cells) of the thyroid gland in humans and other mammals. It plays
a critical role in calcium and phosphorus metabolism and regulation. The calcitonin precursor gene,
CALCA, is instrumental in synthesizing calcitonin alongside Calcitonin Gene-Related Peptide (CGRP)
through alternative splicing, which is a mechanism that allows a single gene to code for multiple
proteins.
The N-Terminal Flanking Peptide (NTFP) is a segment of the larger pro-hormone that is
cleaved during the process of maturation and secretion of calcitonin. Although calcitonin itself is the
primary hormone with a well-defined role in reducing plasma calcium concentrations by promoting renal
excretion of calcium and inhibiting osteoclastic bone resorption, the NTFP is considered part of the
regulatory sequence. It does not independently promote similar physiological actions as calcitonin but
is important in the context of understanding hormone processing and maturation.
Research interest
in the Calcitonin N-Terminal Flanking Peptide focuses on its structural role in understanding the
processing and folding of the calcitonin preprohormone. Scientists are exploring how segments like this
might influence overall protein and peptide function within the human body. This kind of contextual
knowledge is critical as it expands our understanding of not only hormone actions but also the
underlying genetic and protein processing mechanisms that are foundational in endocrinology.
Additionally, studying this peptide can again elucidate the biosynthetic pathways, potentially
identifying triggers or influences that can modify calcitonin release or its bioactivity in
physiological and pathological states.
Furthermore, insights into the Calcitonin N-Terminal
Flanking Peptide also contribute to the development and refinement of diagnostic and therapeutic
strategies. Understanding different aspects of precursor peptides can also assist in identifying
potential biomarkers for endocrine disorders where calcitonin or related peptides may be aberrantly
expressed.
How does Calcitonin N-Terminal Flanking Peptide (human) work in the context of disease
or research?
Calcitonin N-Terminal Flanking Peptide (human) serves as a window into the
synthesis and regulation of calcitonin, a hormone significant in maintaining calcium and phosphorus
levels in the body. In the context of disease and research, this peptide provides valuable insights
because of its position in the pathway that produces calcitonin and related peptides such as Calcitonin
Gene-Related Peptide (CGRP), known for their distinct roles in both physiological and pathological
conditions.
Research on the N-Terminal Flanking Peptide and its association with calcitonin and
related peptides has been augmented by the fact that altered levels of calcitonin or deviations in its
normal production and cleavage can be indicative of certain diseases. For example, anomalies in these
peptides can be markers for medullary thyroid carcinoma, which is a type of thyroid cancer. Elevated
levels of calcitonin are used as a diagnostic marker, and understanding the precursor peptides is
crucial for developing assays that might enhance diagnostic accuracy.
The peptide flanking
calcitonin provides an object of study for genetic, molecular, and biochemical research. This is
particularly true in the context of genetic disorders that might influence calcitonin gene
transcription, alternative splicing, or peptide cleavage. In research settings, understanding this
peptide's seam with the rest of the hormone allows scientists to map the specific sites for enzymatic
cleavage, recognize potential splice variants, and understand their subsequent roles or lack thereof in
various pathological settings.
Moreover, the study of this peptide has extended into
investigating related peptides generated through alternative splicing, such as Amylin, which plays a
role in metabolic syndromes including type 2 diabetes. Research on these flanking sequences can
elucidate novel therapeutic targets or provide insights into how peptide hormones can be synchronized to
affect metabolic processes or calcification.
This peptide's importance is underscored by the
broad interest in pharmaceutical applications and the development of therapeutic peptides. By
understanding the initial stage of hormone processing, researchers can develop analogs or inhibitors
that mimic or modulate the activity of calcitonin or other related peptides, potentially offering
therapeutic avenues for conditions like osteoporosis, hypercalcemia, and others influenced by calcium
and bone metabolism.
In what ways can Calcitonin N-Terminal Flanking Peptide (human) contribute
to therapeutic development?
Calcitonin N-Terminal Flanking Peptide (human) plays an important
role in the broader context of therapeutic development by providing insight into peptide and hormone
regulation, synthesis, and secretion relevant to everyday clinical and biotechnological applications.
Understanding this peptide's role in the synthesis of calcitonin opens avenues for novel therapeutic
strategies, especially for conditions related to calcium metabolism and bone health.
Traditionally, calcitonin itself has been explored extensively for therapeutic uses,
particularly in conditions such as osteoporosis, Paget's disease, and hypercalcemia. The N-Terminal
Flanking Peptide's involvement in calcitonin synthesis provides researchers with a richer understanding
of how variations or mutations in these precursor sequences might influence hormone levels or activity.
Knowing how these sequences are processed and modified allows for the development of new drugs that can
either mimic the activity of calcitonin or enhance its secretion.
One direct application could
involve the modulation of calcitonin secretion by targeting enzymes involved in the cleavage of the
preprocalcitonin polypeptide. By inhibiting specific proteases or modifying cleavage sites,
peptide-based therapies could be refined to increase the bioavailability or activity of calcitonin,
thereby increasing therapeutic efficacy for patients with bone metabolism disorders.
Moreover,
understanding the peptide's signaling and structural dynamics can lead to the design of analogs that
have altered receptor affinities or improved metabolic stability. Therapeutic peptides and their
synthetic analogs are becoming increasingly popular due to their high specificity and ability to target
pathways that are otherwise challenging to address with small molecule drugs. The detailed study of the
precursor sequences that include Calcitonin N-Terminal Flanking Peptide allows for the modeling and
modification of such analogs.
Furthermore, the N-Terminal Flanking Peptide comes into focus when
studying the overall regulation of the calcitonin hormone family, including its extensions like the
Calcitonin Gene-Related Peptide (CGRP) and Amylin - peptides with relevance in areas beyond bone health,
such as migraine treatment and the regulation of insulin. Insights into these flanking regions could
reveal unknown roles or effects that can be harnessed in therapeutic settings. For example, by exploring
how these sequences influence folding, secretion, or receptor binding, researchers can formulate
strategies to treat or manage conditions related to peptide misfolding or hormonal imbalance.
Thus, research and understanding of this less-explored peptide region can ultimately contribute
significantly to therapeutic innovations, offering advances that go beyond the conventional approaches
currently in use.
How does studying Calcitonin N-Terminal Flanking Peptide (human) expand our
understanding of peptide hormones?
In the field of endocrinology and molecular biology, studying
Calcitonin N-Terminal Flanking Peptide (human) offers keys to unlocking a deeper understanding of
peptide hormones, which are critical for regulating numerous physiological functions. Calcitonin is
renowned for its involvement in reducing blood calcium levels and its regulation of bone metabolism.
However, by exploring the precursor segments, scientists gain insights into the intricacies of hormone
synthesis, secretion, and functional modulation.
The study of the N-Terminal Flanking Peptide
begins with understanding the gene expression pathways and the post-translational modifications
significant in synthesizing functional peptides from precursor proteins. Peptide hormones often start as
pro-hormones that undergo precise enzymatic cleavage to become biologically active. The cleavage and
subsequent maturation processes of procalcitonin, from which Calcitonin N-Terminal Flanking Peptide
derives, exemplify how multiple, related bioactive peptides can be produced from a single gene. This is
a common theme in hormone biology emphasizing the importance of precursor peptide sequences in
determining the function and specificity of various hormone molecules.
Additionally, studying
this peptide region highlights the importance of peptide folding and conformation in biological
activity. The structure of peptide hormones influences their binding to specific receptors, which in
turn dictates cellular response. Understanding the Calcitonin N-Terminal Flanking Peptide structure
helps elucidate how modifications either naturally occurring or synthetically induced can impact the
binding efficacy and affinity for receptors, potentially providing insight into designing drugs that
leverage these pathways.
Through examining these precursor peptides, researchers also gain
insight into evolutionary processes. They can assess how genetic variations and selective pressures may
have optimized or diversified peptide hormone functions across different species. This can lead to
discoveries about conserved sequences and mechanisms relevant not only to humans but to other organisms
as well.
Studies focused on Calcitonin N-Terminal Flanking Peptide and its impact on hormone
function can also reveal regulatory mechanisms driven by cellular and physiological signals, such as
calcium levels, which influence peptide production and release. Such findings can illuminate feedback
loops and control mechanisms that balance hormone levels and maintain homeostasis. Moreover, they can
point out dysregulations that occur in diseases, adding another layer to diagnostic and therapeutic
development.
In summary, examining the Calcitonin N-Terminal Flanking Peptide shines a light not
only on the production and regulation of calcitonin but extends broader insights into the nature and
behavior of peptide hormones. This knowledge fosters an enriched comprehension of biological processes,
offering unexpected angles for advancing scientific knowledge and therapeutic innovation.
Why is
Calcitonin N-Terminal Flanking Peptide (human) considered important in scientific
research?
Calcitonin N-Terminal Flanking Peptide (human) holds a significant place in scientific
research because it underscores the complexities involved in peptide hormone biosynthesis and the
nuanced roles these sequences play beyond merely serving as precursors. As part of the procalcitonin
molecule involved in the production of calcitonin, it offers a case study into the fundamental processes
of hormonal regulation, synthesis, and function—all of which have monumental implications for
understanding both normal physiology and disease pathology.
One area of importance is the role
this peptide plays in the broader context of pro-hormone processing. Understanding how the N-Terminal
Flanking Peptide is processed illuminates how calcitonin and its related peptides, including Calcitonin
Gene-Related Peptide (CGRP), are produced and regulate diverse biological functions. Through these
insights, researchers can better delineate how specific cleavage and folding events contribute to the
functional configuration of peptide hormones, thus expanding our knowledge of biochemical
pathways.
Studying Calcitonin N-Terminal Flanking Peptide also has significant implications for
understanding metabolic and calcium regulation disorders. Calcitonin itself is pivotal in managing
calcium and phosphate homeostasis, and deviations in its production or regulation are associated with
conditions like osteoporosis and hypercalcemia. By studying the peptide sequences involved in its
precursor state, researchers can uncover potential targets for enhancing or inhibiting calcitonin
activity as well as design strategies that modulate these pathways in disease.
In diagnostics and
therapeutic research, exploring the N-Terminal Peptide holds promise for the development of novel
biomarkers and therapeutic agents. By understanding all components involved in calcitonin synthesis,
scientists aim to refine tests that measure calcitonin levels with improved accuracy for diagnosing
thyroid disorders, including medullary thyroid carcinoma, where calcitonin levels serve as a marker for
disease.
Furthermore, research into this peptide provides rich insights into gene expression
regulation, alternative splicing events, and evolutionary biology. The calcitonin family of peptides,
derived from alternate splicing, shows how a single gene can have multifaceted roles across different
physiological contexts. This type of research can lead to the discovery of other functional subsets of
proteins encoded by single genes that have significant biological relevance.
In essence, the
importance of Calcitonin N-Terminal Flanking Peptide in scientific research goes beyond its initial
function as a precursor peptide. Its study contributes to a broader understanding of hormone
biosynthesis, offers potential pathways to intervention in metabolic and endocrine disorders, and
underscores critical processes within molecular biology. Through this research, scientists cultivate a
more integrated view of how peptide hormones operate, providing a foundation for future innovations in
gene expression regulation, diagnostic methods, and therapeutic interventions.