Synonym |
Osteocalcin (45-49) (human) |
Species |
Human |
Protein Accession |
Unknown |
Purity |
Greater than 95% as determined by SEC-HPLC |
Endotoxin Level |
Less than 1 EU/µg |
Biological Activity |
Unknown |
Expression System |
E. coli |
Fusion Tag |
None |
Predicted Molecular Mass |
5 kDa |
Formulation |
Lyophilized from a 0.2 μm filtered solution in 30% acetonitrile and 0.1% TFA |
Reconstitution |
It is recommended to reconstitute the lyophilized Osteocalcin (45-49) (human) in sterile 18
MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
|
Storage & Stability |
Store lyophilized protein at -20°C. Aliquot the product after reconstitution to avoid repeated
freezing/thawing cycles. Reconstituted protein can be stored at 4°C for a limited period of
time. |
FAQ
What is Osteocalcin (45-49) (human), and what are its primary functions?
Osteocalcin (45-49)
(human) is a peptide fragment derived from the bone-specific protein osteocalcin. Osteocalcin is a
non-collagenous protein hormone found in bone, which is secreted by osteoblasts, the cells responsible
for bone formation. Although it was initially recognized for its pivotal role within the bone matrix,
recent research has broadened its significance to include potential regulatory effects on energy
metabolism, glucose regulation, and overall endocrine functioning. In particular, the (45–49) fragment
of osteocalcin is thought to have unique bioactive properties that could be instrumental in signaling
pathways beyond traditional bone metabolism.
The principal role of osteocalcin in its entirety
within the bone includes facilitating the mineralization and calcium ion homeostasis, guiding the
alignment of hydroxyapatite crystals within the bone matrix to provide structural integrity. More
intriguingly, studies suggest that osteocalcin acts as a hormone that can influence various bodily
systems, notably the pancreas (to enhance insulin secretion) and adipose tissue (to increase adiponectin
production), thus contributing to improved metabolic processes and insulin sensitivity. The (45-49)
peptide segment, specifically, is believed to play an essential role in these broader systemic
interactions, although the detailed mechanisms remain an exciting area of ongoing
research.
Further studies highlight osteocalcin's potential in promoting muscular and
neurological health, wherein osteocalcin is thought to drive testosterone production, enhance muscle
performance, and possibly impact cognitive functions positively. Such expansive implications hint
towards osteocalcin being a multifaceted molecule, potentially playing a pivotal role in the regulation
and coordination of various physiological processes. In summary, Osteocalcin (45-49) (human) represents
an intriguing field of study, with promising implications for both bone health and broader metabolic
regulation, underpinning the holistic interconnectedness of different bodily systems.
How does
Osteocalcin (45-49) (human) affect bone health and mineral density?
Osteocalcin, in its full
sequence, is primarily affiliated with bone metabolism, specifically relating to its regulatory role on
bone mineralization and density. Osteocalcin (45-49) (human), as a peptide fragment, retains some of
these characteristics and is posited to interact within the broader context of bone health. This
interaction is grounded in the protein's capacity to facilitate the deposition and organization of
calcium within the bone matrix, ultimately influencing the physical properties of bone tissues and their
resilience against mechanical stresses and pathological aggressors like osteoporosis.
Bone health
is inherently linked to the effective deposition of minerals, such as calcium and phosphate, which
constitute the physical hardness and enduring nature of the skeletal structure. Osteocalcin participates
directly in orchestrating the arrangement of these mineral components, ensuring a cohesive and strong
skeletal architecture. The peptide fragment (45-49) may be integral in mediating some aspects of
osteoclastic behavior (cells involved in bone resorption) and osteoblastic activity (cells that build
bone), maintaining an equilibrium that is crucial for remodeling and repairing bone tissue
effectively.
As osteocalcin has connections to various metabolic pathways, particularly those
influencing calcium binding and integration into the bone matrix, an enhanced understanding of the
(45-49) fragment could reveal new therapeutic targets for conditions like osteoporosis. Osteoporosis
represents a significant clinical concern characterized by diminished bone density and increased
fracture risk. The potential application of Osteocalcin (45-49) (human) fragments in therapeutic
contexts might serve to stimulate bone formation or inhibit resorption, promoting a healthy balance
essential for maintaining robust bone density.
Moreover, the interactions between osteocalcin and
other hormones, such as vitamin D, which facilitates calcium absorption, could provide more profound
insights into the orchestration of bone metabolism at a chemical level. Osteocalcin might work
synergistically with mineral regulation peptides, thus reflecting a comprehensive approach to managing
bone health through multifaceted hormone regulation processes.
What is the relationship between
Osteocalcin (45-49) (human) and metabolic functions?
The role of osteocalcin, particularly in its
fragment form such as Osteocalcin (45-49) (human), extends beyond bone health into significant
participation in metabolic processes. This interaction exists primarily in the regulatory domains of
calcium metabolism, glucose homeostasis, and energy balance. These biochemical processes are
fundamentally interconnected, with osteocalcin assuming a potentially pivotal role as an endocrine
mediator bridging the activities of various organs and tissues.
Osteocalcin’s involvement in
metabolic functions is multifaceted, engaging with peripheral systems such as the pancreas and adipose
tissue. For instance, research has indicated that osteocalcin may improve pancreatic beta-cell
proliferation and function, enhancing insulin secretion. Insulin, a key hormone responsible for blood
glucose regulation, operates to facilitate cellular uptake of glucose, thereby maintaining stable blood
glucose levels and supporting overall metabolic health. The availability of osteocalcin fragments like
(45-49) might potentiate these insulinotropic effects, presenting a novel approach to managing metabolic
disorders, including diabetes.
In addition to its insulin-regulatory role, osteocalcin is
suggested to improve insulin sensitivity by increasing adiponectin secretion from adipose tissue.
Adiponectin is a hormone that plays a critical role in glucose regulation and fatty acid oxidation.
Higher adiponectin levels correlate with enhanced metabolic efficiency and overall energy expenditure,
suggesting that osteocalcin could support a more active energy metabolism profile, leading to positive
changes in body composition and weight management.
Moreover, osteocalcin appears to influence
energy metabolism broadly by interacting with other significant hormones involved in energy homeostasis.
This interconnected network proposes osteocalcin as a versatile signaler integral in synchronizing
metabolic rates, utilization of energy substrates, as well as adaptive responses to dietary and energy
changes. Emerging evidence also hints at osteocalcin's potential influence in muscle physiology, wherein
it may stimulate muscle fibre uptake of nutrients, contributing further to enhanced energy utilization
efficiency.
In summation, the relationship between Osteocalcin (45-49) (human) and metabolic
functions denotes a fascinating convergence between traditional bone metabolism roles and wider
metabolic and endocrine functions. This expanded understanding provides fertile ground for further
exploration and posits osteocalcin as a potential target for metabolic diseases, advocating a holistic
view that integrates bone health with broader systemic metabolism.
Can Osteocalcin (45-49)
(human) support cardiovascular health?
The interplay between osteocalcin and cardiovascular
health is an evolving subject of scientific inquiry, which suggests that osteocalcin may exert
beneficial effects on cardiovascular function, potentially mitigating risk factors associated with
cardiovascular diseases (CVD). Osteocalcin (45-49) (human) symbolizes a specific interest within this
research due to its known hormonal activity and potential systemic impacts that may translate to
cardiovascular benefits.
At the molecular level, the relationship between osteocalcin and
cardiovascular health is mediated through diverse biological mechanisms influencing endothelial
function, lipid profiles, glucose metabolism, and possibly aiding in vascular calcification reduction.
Osteocalcin is suggested to improve the metabolic profile by enhancing insulin sensitivity and
regulating blood glucose levels, both of which are crucial in minimizing cardiovascular risk factors
like type 2 diabetes and metabolic syndrome. By fostering a healthier metabolic environment, osteocalcin
can contribute to lower rates of atherosclerosis and subsequent cardiovascular
events.
Furthermore, in terms of lipid metabolism, an area of impact that could indirectly
benefit cardiovascular health, osteocalcin may influence adipokine release from adipose tissue and
foster conditions that improve cholesterol regulation. Reduced low-density lipoprotein (LDL) cholesterol
levels and increased high-density lipoprotein (HDL) cholesterol are associated with a reduced risk of
developing cardiovascular abnormalities. Osteocalcin might aid lipid metabolism adjustment, although
precise mechanisms continue to be defined. The implications are significant, depicting osteocalcin
fragments such as (45-49) as potential contributors to healthier cardiovascular
parameters.
Perhaps one of the more direct cardiovascular influences of osteocalcin involves its
effect on endothelial function—the capacity of blood vessels to manage blood flow and pressure. A
well-functioning endothelium is vital for regulating vascular tone, coagulation, and inflammatory
responses, factors all implicated in cardiovascular risk management. Osteocalcin fragments may act to
enhance endothelial health, thus supporting overall cardiovascular well-being.
Beyond these
specific mechanisms, the peptide's role in reducing vascular calcification is noteworthy, particularly
given the overlapping pathophysiology of bone and cardiovascular systems concerning mineral metabolism
disorders. Although further research is required conclusively to establish these links, the potential of
implementing Osteocalcin (45-49) (human) in strategies to bolster cardiovascular health and prevent
disease progression is a compelling field of study that could merge nutritional, pharmacological, and
lifestyle interventions.
Are there potential therapeutic applications for Osteocalcin (45-49)
(human)?
Therapeutic interest in osteocalcin, and particularly fragments like Osteocalcin (45-49)
(human), is growing, given its multidimensional roles in bone health, metabolic regulation, and possibly
broader systemic effects. These characteristics present numerous potential pathways for therapeutic
application across a spectrum of conditions, especially those interlinking metabolic disorders, bone
density issues, and even cardiovascular health.
One obvious therapeutic application lies in the
treatment and management of osteoporosis and other bone-related disorders. Through its mechanism that
bolsters bone formation and mineralization, Osteocalcin (45-49) could serve as a novel agent in
enhancing bone density and reducing fracture risk. Given the global burden of osteoporosis, especially
in aging populations, modulation of osteocalcin activity might offer a promising avenue to support bone
health maintenance and recuperation.
Furthermore, considering osteocalcin's emerging role in
metabolic pathways, it holds potential as a therapeutic target for diabetes management. By promoting
insulin secretion and sensitivity, the peptide could be integrated into treatment strategies aiming to
optimize blood glucose levels and mitigate the progression of insulin resistance in type 2 diabetes.
Osteocalcin fragment therapies might eventually complement or enhance existing interventions, providing
an additional layer of control over glycemic regulation.
The metabolic implications of
osteocalcin additionally suggest potential applications in combating obesity and metabolic syndrome. As
a regulator of energy expenditure and adiponectin production, osteocalcin-based strategies could focus
on improving metabolic efficiency and contributing to weight management programs. The holistic approach
would address both weight reduction and improvements in metabolic markers akin to insulin action and
lipid profiles, thereby lessening associated cardiovascular risks.
Preliminary research also
suggests that osteocalcin might affect cognitive functions, raising potential therapeutic interest in
neurological diseases such as Alzheimer's and other forms of dementia. Although in early stages,
studying the neuroprotective aspects of osteocalcin and its fragments might open up exciting new
therapeutic pathways that warrant deeper investigation.
Overall, the potential applications for
Osteocalcin (45-49) (human) across various health domains highlight its promising multifunctionality in
therapeutic development. This potential underscores the need for further detailed clinical studies and
trials to elucidate its efficacy and safety definitively. The compelling prospects presented by
osteocalcin therapy seem set to inspire innovative therapeutic interventions capable of addressing
contemporary public health challenges in multifaceted ways, ultimately improving quality of life across
varied patient populations.