Peptides for Tendon Repair Research
Peptides for Tendon Repair Research
Tendon injuries are incredibly common, not just among athletes, but in the general population. Commonly injured tendons include the Achilles and biceps tendon as well as tendons of the hands and feet. Unlike most illnesses and injuries, however, tendon injuries are more common among the young than the old. This is counterintuitive, especially given that the cause of these injuries is cumulative degeneration followed by sudden excess loading. Few of tendon injuries are caused by systemic disease or a genetic disorder.
The incidence of tendon-related injuries is on the rise, increasing almost 140% between 2012 and 2016[1]. The increase is attributed to greater amateur athletic participation, but also has roots in high rates of on-the-job injuries. For these reasons, and many others, peptides for tendon repair research have become a hot topic. Here is a look at what the state of the art is in the field of peptides for tendon repair research.
How Do Tendons Heal?
Tendons connect muscle to bone and transfer all the energy from a muscle contraction to the bones that provide structure and support. Unfortunately, tendons can be cut, bruised, sprained, or ruptured in a variety of ways. Tendon ruptures are serious and can take anywhere from four to eighteen months to heal and almost always require surgery. Even tendonitis, which is just inflammation due to minor damage, can take upwards of four months to heal.
Unfortunately, injured tendons are at higher risk of re-injury, generally because the healing process is not as orderly as when a tendon is originally formed. Tendons are not designed to regenerate, but rather are meant to last a lifetime without much change. As such, they do not possess the kind of regenerative properties (e.g., abundant stem cells) that tissues like the GI tract or skin do. What is worse, the rate at which a tendon can heal, even if the healing is limited, is almost always outpaced by the rate at which we can cause injury to it. In other words, tendon injury tends to accumulate and the more active you are, the more likely you are to experience a large-scale tendon failure.
Under the healing process, tendons first become inflamed, an immune response that causes pain and limits mobility. This stage, however, is slow to resolve because of the tendon’s poor blood supply. Eventually, however, healing gives way to the repair phase in which cells like fibroblasts proliferate and start replacing damaged tissue. This stage then gives way to remodeling, which is carried out by stem cells and various other cells. Once again, the relative dearth of nutrient supply to the tendon limits the effectiveness of these stages and accounts for the very slow rate at which tendons heal.
Why Don’t Tendons Heal Well?
The reasons that tendons do not heal properly are several-fold. First, as discussed, the blood-supply to tendons is more limited than it is to other tissues. This limits the number of fibroblasts and other repair cells that can reach the site of injury. With fewer cells to do the work, tendons heal slowly and often incompletely.
Another reason that tendons do not heal well is that the longer an injury takes to repair, the more stress the tissue is subjected to during the healing process. These stresses tend to cause misalignment of the collagen and elastin fibers of the extracellular matrix, leading to a kind of scar that is more than merely cosmetic. Tendons, with their poor blood supply, are one of the slowest tissues to heal following injury. This makes them susceptible to further injury that results in misaligned extracellular matrix fibers. These fibers do not efficiently transfer forces and aren’t properly aligned with the direction of maximal force application. This causes scarred tendons to be more prone to re-injury.
Research shows that tendons do not change throughout our adult lives. They are designed to last a lifetime and thus have very few in-built mechanisms for repair. Unlike bone, tendons are not constantly remodeled and repaired in response to stress. Thus, our tendons do not change as quickly as our muscles and bones do, putting them at higher risk of injury. Then, when they are injured, tendons don’t heal very quickly without a boost[2].
Fortunately, research has revealed that some peptides can help to boost tendon repairs. Research into these peptides is helping to reveal not only how to accelerate tendon healing rates, but how to make the result more robust. Tendons in the experimental groups of these research studies tend to be stronger and more resilient than those that are not exposed to peptides during the healing process. Here is a look at some of the peptides for tendon repair research and what they are teaching us about how to heal tendons faster and ensure that the results are stronger.
BPC 157
BPC 157 is a derivative of body protection compound, a natural peptide found in the GI tract of most mammals including humans. BPC 157 has been shown to boost blood vessel growth, regulate the coagulation cascade, increase nitric oxide generation, and alter immune system function.
BPC 157 has special application in tendons because of its ability to increase recruitment of fibroblasts. Fibroblasts are the cells that produce collage and elastin. They play important roles not only in the speed of injury repair, but in the formation of scar tissue as well. BPC 157 has been shown to increase how quickly fibroblasts proliferate and migrate to the se site of injury[3], [4]. Research also shows that BPC 157 enhances fibroblast function in musculoskeletal tissue by enhancing the expression of growth hormone receptors within fibroblasts[5].
Another reason that BPC 157 is beneficial in tendon injury is that it increases blood vessel growth to areas of injury[6], [7]. This provides for increased delivery of cells, nutrients, and raw materials necessary for wound repair. Experiments looking directly at the role of BPC 157 in tendon repair reveal that the peptide is more effective than a number of natural growth hormones in promoting tendon healing[8].
BPC 157 does not just accelerate rates of healing though; it increases the quality of tendon healing. In rat models, administration of BPC 157 improves functional and biomechanical properties of repaired tendons, indicating that they are stronger than those that heal without BPC 157. Histological reviews of the structure of the tendons treated with BPC 157 show superior fiber alignment and thus confirm that the tendons are structurally superior to those that were not exposed to BPC 157. In practical terms, this improved healing manifests as preserved muscle motor function, preserved walking patterns, and lack of joint contracture[9].
Growth Hormone Modulating Peptides
Growth hormone has long been known to stimulate the synthesis of collagen in connective tissue. It is also a general growth factor and immune modulator, helping to boost blood vessel growth and regulating the migration and proliferation of cells like fibroblasts. In fact, research shows that exogenous growth hormone administration can increase tendon collagen synthesis by nearly 4-fold[10].
Unfortunately, direct administration of growth hormone is fraught with problems and side effects. These drawbacks make it generally unsuitable for the treatment of tendon injuries. Fortunately, there are peptides that can stimulate growth hormone release in a more natural way and help researchers avoid the side effects of direct growth hormone administration. These peptides are divided two general classes. The first are the growth hormone releasing hormone analogues like Sermorelin, mod GRF (CJC-1295 no DAC)"), and CJC 1295. These peptides help to preserve normal growth hormone release patterns and have several beneficial attributes.
The second class of growth hormone increasing peptides are the growth hormone secretagogue receptor agonists. These peptides include ipamorelin, GHRP-2, and GHRP-6. They are well known for their ability to vastly increase growth hormone levels. Many of these peptides also possess specific additional effects that make them useful in various settings. Ipamorelin, for instance, has strong positive effects on bone growth and strength, making it useful in the setting of osteoporosis or concomitant bone fractures.
The combination of growth hormone enhancing peptides and BPC 157 has not been extensively tested. The combination would likely be synergistic since BPC 157 enhances the actions of growth hormone on fibroblasts and on cells of the immune system.
IGF-1-LR3
Modified, synthetic versions of IGF-1 are available for research. IGF-1-LR3, for instance, has many of the same properties as IGF-1 but its prolonged half-life in the bloodstream makes it more suitable for research. In connective tissues, IGF-1-LR3 promotes cell division and proliferation as much as 3-fold over baseline. This leads to faster tissue repair. The peptide has also been looked at for its ability to extend longevity and enhance muscle growth.
Thymosin Beta-4 (TB-4) and TB-500
is a derivative of Thymosin Beta-4, so everything discussed in this section applies to both peptides. Thymosin Beta-4 is the naturally occurring compound found in many living organisms. It has long been associated with healing and has been extensively used in peptides for tendon repair research.
Research shows that TB-500 is very similar to BPC 157 in many respects. It increases blood vessel growth, improves cell migration, decreases inflammation, promotes extracellular matrix production, and generally increases rates of wound healing[11]. There is good reason to believe that TB4 and BPC 157 would work together, perhaps synergistically, to improve tendon repair. Scientists have developed a gel, infused with TB-500, that could potentially be injected into tendons, joints, and other areas of injury to help speed up healing[12]. The gel may even be useful as a preventative in individuals at high risk of degenerative damage like osteoarthritis or Achilles tendon rupture.
Peptides for Tendon Research: Summary
Tendons are designed to last a lifetime, a feature that makes them very difficult to repair when they are damaged. Even surgical repair of tendons is often less than optimal because the structure of the tendon is never quite as strong as it was originally. Additionally, the healing process takes so long that people often subject the tendon to additional damage, simply as a result of normal use, that limits its final strength. Peptides for tendon research are offering some hope, however, that tendon repair can be jump started by recruiting cells and chemical messengers that speed up the healing process and make it more efficient. With continued research, scientists hope to unlock the right combination and sequence of peptides to allow tendons to heal quickly and with greater strength. Stronger tendons mean improved functionality following injury and improved functionality means a higher quality of life, decreased risk of re-injury, and decreased risk of subsequent injury (e.g., trips and falls) as a result of weakened tendons.
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Posted in: Repair and Recovery Research
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Under NO circumstances shall/ should ANY of these materials be used for recreational purposes nor human consumption of any kind.
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All items sold are legal for sale for IN-VITRO RESEARCH PURPOSES SPECIFICALLY within the USA.
Trade-Marks and Other Intellectual Property Rights
"" is a registered trademark of
All text, graphics, user interfaces, visual interfaces, photographs, trademarks, logos, sounds, music, artwork and computer code (collectively, "Content"), including but not limited to the design, structure, selection, coordination, expression, "look and feel" and arrangement of such Content, contained on this Web Site is owned, controlled or licensed by or to and is protected by copyright, patent and trademark laws, and various other intellectual property rights and unfair competition laws.
Except as expressly provided in this Terms and Conditions of Use Agreement, no part of this Web Site and no Content may be copied, reproduced, republished, uploaded, posted, publicly displayed, encoded, translated, transmitted or distributed in any way (including "mirroring") to any other computer, server, web site or other medium for publication or distribution or for any commercial enterprise, without express prior written consent.
Indemnity
You hereby agree to indemnify and hold and our subsidiaries, affiliates, officers, directors, agents, co-branders, partners, and employees harmless from any claim or demand, including reasonable attorney's fees, made by any third party due to or arising out of your use of the content on this Web Site, or any content you submit, post, or transmit through this Web Site, your use of this Web Site, your connection to this Web site, your violation of this Terms and Conditions of Use Agreement, or your violation of any rights of another.
Links/Software
Links from or to websites outside this Web Site are meant for convenience only. does not review, endorse, approve or control, and is not responsible for any sites linked from or to this Web Site, the content of those sites, the third parties named therein, or their products or services. Linking to any other site is at your sole risk and will not be responsible or liable for any damages in connection with linking. disclaims all warranties, express and implied as to the accuracy, validity and legality of any materials or information found on those sites. Links to downloadable software sites are for convenience only and is not responsible or liable for any difficulties or consequences associated with downloading the software. Use of any downloaded software is governed by the terms of the license agreement, if any, which accompanies or is provided with the software.
Availability of Our Web Site
This Web Site is generally available to users Twenty-four (24) hours per day, Seven (7) days per week, Three Hundred Sixty-five (365) days per year. However, retains the right to make our Web Site unavailable at any time, for any reason, and for any length of time. By using this Web Site you agree that will not be liable for any damage arising out of or related to any such interruption, suspension, or termination of this Web Site and/or the services or products contained therein. Upon acceptance of these terms and conditions of use authorizes you to view the Content on the Web Site solely for your personal use. The material on the Web Site is intended solely for individuals enquiring about products or services. If you are not accessing the Web Site for such purposes, you may not use the Web Site. For certainty, use by non-individuals or the agents, attorneys or representatives of non-individuals is prohibited.
**Information You Provide
Our collection and/or use of any information you provide while using or visiting this Web Site is governed by the Privacy Policy and this Terms and Conditions of Use Agreement. By using this Web Site you grant us the rights contained therein. In using this Web Site you may not upload, distribute, or otherwise publish on this Web Site any information which may be viewed as obscene, defamatory, libelous, threatening, abusive, illegal, an invasion of privacy rights, or otherwise objectionable, or may constitute or encourage a violation of any law.
Except for that individually-identifiable information collected from you in accordance with our Privacy Policy, all comments, remarks, suggestions, ideas or other information communicated will become the exclusive property of and you grant to a royalty-free, perpetual, irrevocable, world-wide, non-exclusive license to use or reproduce the same. is free to copy, disclose, distribute or analyze any such information for any and all purposes and are in no way obligated to compensate you for any such information.
Disclaimer of Warranties
PROVIDES CONTENT ON THIS WEB SITE AS A SERVICE TO YOU, OUR CUSTOMER. THIS WEB SITE CANNOT AND DOES NOT, CONTAIN INFORMATION ABOUT ALL APPLICATIONS FOR PRODUCTS SOLD. IT MAY NOT CONTAIN ALL INFORMATION THAT IS APPLICABLE TO YOUR PERSONAL CIRCUMSTANCES OR YOUR USE OF PRODUCTS SOLD. THE CONTENT OF THIS WEB SITE, THE WEB SITE SERVER THAT MAKES IT AVAILABLE, AND THE SERVICES AND PRODUCTS PROVIDES ON THIS WEB SITE, ARE PROVIDED ON AN “AS IS” AND “AS AVAILABLE” BASIS WITHOUT WARRANTY OF ANY KIND, WHETHER EXPRESS, IMPLIED OR STATUTORY. EXPRESSLY DISCLAIMS LIABILITY FOR TECHNICAL FAILURES (INCLUDING HARDWARE OR SOFTWARE FAILURES), INCOMPLETE, SCRAMBLED OR DELAYED COMPUTER TRANSMISSIONS, AND/OR TECHNICAL INACCURACIES, AS WELL AS UNAUTHORIZED ACCESS OF USER TRANSMISSIONS BY THIRD PARTIES. FURTHER, DOES NOT REPRESENT OR WARRANT THAT NO VIRUSES OR OTHER CONTAMINATING OR DESTRUCTIVE PROPERTIES WILL BE TRANSMITTED, OR THAT NO DAMAGE WILL OCCUR TO YOUR COMPUTER SYSTEM. YOU HAVE SOLE RESPONSIBILITY FOR ADEQUATE PROTECTION AND BACKUP OF DATA AND/OR EQUIPMENT AND TO TAKE ALL PRECAUTIONS TO SCAN FOR COMPUTER VIRUSES OR OTHER DESTRUCTIVE PROPERTIES. BY YOUR USE OF THIS WEB SITE, YOU ACKNOWLEDGE THAT SUCH USE IS AT YOUR SOLE RISK, INCLUDING RESPONSIBILITY FOR ALL COSTS ASSOCIATED WITH ALL NECESSARY SERVICING OR REPAIRS OF ANY EQUIPMENT YOU USE IN CONNECTION WITH THIS WEB SITE.
TO THE FULL EXTENT NOT PRECLUDED BY APPLICABLE LAW THEIR MEDICAL ADVISORS, SUPPLIERS, CONSULTANTS, DIRECTORS AND EMPLOYEES DISCLAIM AND EXCLUDE ALL WARRANTIES WITH RESPECT TO ALL CONTENT, EXPRESS, IMPLIED OR STATUTORY. THIS DISCLAIMER INCLUDES, BUT IS NOT LIMITED TO, ANY AND ALL WARRANTIES OR MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. DOES NOT WARRANT THE CONTENT TO BE ACCURATE, COMPLETE OR CURRENT. DOES NOT WARRANT THAT THIS WEB SITE WILL OPERATE WITHOUT ERROR, THAT DEFECTS WILL BE CORRECTED OR THAT THIS WEB SITE OR THE WEB SITE SERVER MAKING IT AVAILABLE ARE FREE OF VIRUSES OR OTHER HARMFUL COMPONENTS. PRICE AND AVAILABILITY CONTENT, AS WELL AS OTHER CONTENT CONTAINED IN THIS WEB SITE OR ACCESSIBLE THEREFROM, IS SUBJECT TO CHANGE WITHOUT NOTICE.
YOU ACKNOWLEDGE AND AGREE THAT DOES NOT ENDORSE THE CONTENT OF ANY SITE ACCESSED VIA LINKS OR OTHER MEANS FROM THIS WEB SITE AND IT IS NOT RESPONSIBLE OR LIABLE FOR SUCH CONTENT EVEN THOUGH IT MAY BE UNLAWFUL, HARASSING, LIBELOUS, PRIVACY INVADING, ABUSIVE, THREATENING, HARMFUL, OBSCENE, OR OTHERWISE OBJECTIONABLE, OR THAT IT INFRINGES OR MAY INFRINGE THE INTELLECTUAL PROPERTY OR OTHER RIGHTS OF ANOTHER PERSON.
THIS WEB SITE INCLUDES CONTENT PROVIDED BY THIRD PARTIES AND YOU, OUR CUSTOMER. IS A DISTRIBUTOR OF SUCH CONTENT AND NOT ITS PUBLISHER. EDITORIAL CONTROL OF SUCH CONTENT IS THE SAME AS THAT OF A PUBLIC LIBRARY OR NEWSSTAND. THIRD PARTY SUPPLIERS MAY EXPRESS CERTAIN OPINIONS OR PROVIDE CERTAIN INFORMATION AND OFFERS. MAKES NO WARRANTIES AS TO THE COMPLETENESS, ACCURACY, TIMELINESS, OR RELIABILITY OF INFORMATION OR OFFERS SUPPLIED BY THIRD PARTIES. DOES NOT GUARANTEE OR WARRANT THE PERFORMANCE OF ANY THIRD PARTY, INCLUDING ANY SUCH THIRD PARTY’S CONFORMANCE TO ANY LAW, RULE, REGULATION OR POLICY.
DOES NOT WARRANT THAT INFORMATION, SERVICES, AND PRODUCTS CONTAINED IN THIS WEB SITE WILL SATISFY YOUR REQUIREMENTS OR THAT THEY ARE ERROR OR DEFECT-FREE. BEFORE USING ANY PRODUCT YOU SHOULD CONFIRM ANY INFORMATION OF IMPORTANCE TO YOU ON THE PRODUCT PACKAGING. YOU ASSUME RESPONSIBILITY FOR THE ACCURACY, APPROPRIATENESS AND LEGALITY OF ANY INFORMATION YOU SUPPLY
AS PARTIAL CONSIDERATION FOR YOUR ACCESS TO THIS WEB SITE AND USE OF ITS CONTENT, YOU AGREE THAT IS NOT LIABLE TO YOU IN ANY MANNER WHATSOEVER FOR DECISIONS YOU MAY MAKE OR YOUR ACTIONS OR NON-ACTIONS IN RELIANCE UPON THE CONTENT. YOU ALSO AGREE THAT THE AGGREGATE LIABILITY OF ARISING FROM OR RELATED TO YOUR USE AND ACCESS REGARDLESS OF THE FORM OF ACTION OR CLAIM (FOR EXAMPLE, CONTRACT, WARRANTY, TORT, NEGLIGENCE, STRICT LIABILITY, PROFESSIONAL MALPRACTICE, FRAUD, OR OTHER BASES FOR CLAIMS), IS LIMITED TO THE PURCHASE PRICE OF ANY ITEMS YOU PURCHASED FROM IN THE APPLICABLE TRANSACTION. SHALL NOT IN ANY CASE BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES EVEN IF HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. THIS IS A COMPREHENSIVE LIMITATION OF LIABILITY THAT APPLIES TO ALL LOSES AND DAMAGES OF ANY KIND. IF YOU ARE DISSATISFIED WITH THIS WEB SITE OR ITS CONTENT (INCLUDING TERMS OF USE), YOUR SOLE EXCLUSIVE REMEDY IS TO DISCONTINUE USING THIS WEB SITE. BECAUSE SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES, SUCH LIMITATION MAY NOT BE APPLICABLE TO YOU.
Your Agreement to Abide by All Applicable Laws
By using this Web Site you agree to comply with any and all local, state, or federal laws, statutes, and regulations that relate in any manner to the use of this Web Site and the associated services or products contained thereon.
Relationship between and Users.
and users of our Site are independent contractors, and no agency, partnership, employment or other relationship is created or is intended to be created by the use of our Web Site.
Governing Law and Jurisdiction
This Web Site (excluding linked sites, if any) is administered and controlled by and its affiliates, subsidiaries, officers, directors, employees or agents from its offices in the accordance with the laws of Nevis. You agree that this Terms and Conditions of Use Agreement and this Web Site will be governed by and construed in accordance Nevis law without giving effect to any principles of conflicts of laws. You access this Web Site and/or associated services of at your own risk, and remain responsible for complying with the laws of the jurisdiction within which you are located.
Prices; Payment Terms; Interest
The prices for the products and services on this Web Site are quoted, for convenience, in United States dollars and shall be as set forth in this Web Site as at the time of acceptance of an order by Prices for Products shall be subject to change without any further notice. Credit terms are within sole discretion, and unless otherwise specified in invoice, payment must be received by prior to acceptance of an order.
Consequences
reserves the right to suspend or terminate your account if you violate the Terms of Use Agreement. If your violation causes harm to others, you agree to indemnify and hold harmless from and against any and all loss, damage, or expense. If any dispute arises between us regarding this Agreement or your use of this Web Site, it shall be resolved through good faith negotiations between the parties.
Entire Agreement
These Terms and Conditions and any terms incorporated or referred to herein constitute the entire agreement between and you relating to your use of this Web Site and the subject matter hereof, and supersede any prior understandings or agreements (whether electronic, oral or written) regarding the subject matter, and may not be amended or modified except in writing, or by making such amendments or modifications in accordance with this Terms and Conditions of Use Agreement.
Severability
If any part of this Terms and Conditions of Use Agreement is deemed or determined to be unenforceable, then such part shall be eliminated or limited to the minimum extent necessary. The remainder of this Terms and Conditions of Use Agreement, including any revised portion, shall remain and be in full force and effect. This Terms and Conditions of Use Agreement are the entire agreement between us governing your use of this Web Site.
Headings
The headings contained in this Terms and Conditions of Use Agreement and the Privacy Policy are for reference only.
Force Majeure
shall not be liable for any delay or failure in performance caused by circumstances beyond its reasonable control, including, without limitation, delays due to backorders of requested products, mail delays, customs delays or lost shipments. shall not be responsible to notify the Customer in the event of such delays. The Customer shall be solely responsible to make other arrangements to purchase alternative products and any costs incurred in connection with such purchases.
Thank you again for visiting the Web Site.
Complete Agreement
Except as expressly provided in a particular "legal notice" on this Site, these Terms and Conditions constitute the entire agreement between you and this Site with respect to the use of this Site, and Content. By clicking “I agree” when placing your order, you agree with ALL OF OUR TERMS and CONDITIONS as stated above as well as our Shipping and refunds Policy.
Thank you for your cooperation.
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