Last reviewed: May 12, 2026
Last updated: May 12, 2026
Written by:
Jay Hastings
,
CEO of PlexusDx
Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations. He has more than 20 years of experience across healthcare innovation, genomics, laboratory operations, healthcare investing, and strategic finance. His work has included scaling healthcare startups, leading CLIA lab integrations, and helping expand consumer access to precision health tools.
Medically reviewed by:
Jayden Lee, PharmD, EMBA
Jayden Lee, PharmD, EMBA, is the PlexusDx Medical Science Liaison with a PharmD and MBA specializing in pharmacogenomics and clinical product development, with a proven ability to bridge the gap between genomic research and practical patient outcomes. Dr. Lee has more than 10 years of professional experience in clinical pharmacy, academia, and research.
PlexusDx leads the way in delivering personalized health reports to empower individuals with essential genetic insights.
Our exploration begins today within the fascinating field of genetics to understand how the COL5A1 trait affects bodily systems and extends lifespan. We invite you to explore this educational adventure where we reveal the importance of this genetic variant and its effects on your overall health and wellness. The COL5A1 gene encodes the pro-α1(V) chain which is an essential component of type V collagen. Collagens function as foundational proteins that support multiple bodily tissues including skin, ligaments, bones, tendons and muscles. Initially formed as procollagen molecules with three chains these proteins take on a structure that resembles ropes. The formation of type V collagen occurs when three pro-α1(V) chains unite or when two pro-α1(V) chains combine with one pro-α2(V) chain from the COL5A2 gene. This collagen type manages fibril width and directs the organization of various collagen types into fibrils throughout multiple tissues. The function of type V collagen in tissue support remains undisputed yet the gene variation in COL5A1 at rs12722 stands out for its possible connection to increased injury risk. People with variants that decrease type V collagen levels face a higher risk of injury because their ligaments, tendons, and muscles may be weaker. Research shows that people carrying the minor 'T' allele of rs12722 face a higher risk of developing injuries such as Achilles tendon injury and anterior cruciate ligament injury alongside tennis elbow, carpal tunnel syndrome, and muscle cramps. People who have the 'TT' genotype display more severe muscle injuries even if they experience these injuries less often. Elite rugby players who carry this genetic variant face reduced opportunities because this trait connects with soft tissue injury risks. The 'T' allele of rs12722 may present several risks yet also provides unexpected benefits in certain contexts. Studies indicate that people possessing this specific allele display improved endurance abilities during running sports. Research has found that people with the 'T' variant demonstrate decreased susceptibility to rotator cuff injuries which demonstrates how genetics affects physical performance abilities. If you are curious about how the COL5A1 genetic trait affects your health and fitness path consider these practical suggestions: 1. Stay Informed: Acquire knowledge about the risks the rs12722 variant presents concerning injury susceptibility. 2. Preventive Measures: Implement warm-up exercises and strength training along with flexibility programs to reduce injury risk especially if you possess the 'T' allele. 3. Consultation: Seek professional advice from healthcare providers or genetic counselors to better understand your genetic predispositions and create tailored injury prevention plans. The COL5A1 gene along with its genetic variations reveals a complex interplay between genetic makeup and how systems function throughout life to impact longevity. Understanding the subtle aspects of your genetic profile allows you to make informed health decisions that optimize your well-being. Begin your journey to improved health by investigating PlexusDx's Precision Health & Wellness tests which you can find at PlexusDx.com, Amazon, and Walmart. Utilize genetic knowledge to begin your path toward a healthier and better-informed way of living.
Frequently Asked Questions
What does the COL5A1 gene produce and what does type V collagen do?
COL5A1 encodes the pro-alpha1(V) chain, an essential component of type V collagen. The post says type V collagen forms when three pro-alpha1(V) chains unite, or when two combine with one pro-alpha2(V) chain from the COL5A2 gene. Functionally it manages fibril width and directs how various collagen types organize into fibrils across tissues including skin, ligaments, bones, tendons and muscles.
Which injuries does the post associate with the minor T allele of rs12722?
The post says research shows carriers of the minor T allele face a higher risk of Achilles tendon injury and anterior cruciate ligament injury, along with tennis elbow, carpal tunnel syndrome and muscle cramps. It attributes this to variants that decrease type V collagen levels, which may leave ligaments, tendons and muscles weaker. Elevated risk across a group is not a forecast for any individual athlete.
What does the post say about the TT genotype and injury severity?
The post says people with the TT genotype display more severe muscle injuries even though they experience such injuries less often. It also reports that elite rugby players carrying this variant face reduced opportunities because the trait is connected with soft tissue injury risk. Those are reported research associations, not a verdict on any particular athlete's prospects.
Does the rs12722 T allele have any reported upside?
Yes, according to the post. It says studies indicate people possessing this allele display improved endurance abilities during running sports, and that research has found T variant carriers show decreased susceptibility to rotator cuff injuries. The article uses that contrast to illustrate how a single variant can cut both ways in physical performance. None of it establishes what any one person will experience.
What injury-prevention steps does the post suggest for T allele carriers?
The post suggests staying informed about the injury risks the rs12722 variant presents, and implementing warm-up exercises, strength training and flexibility programs to reduce injury risk. It also recommends seeking advice from healthcare providers or genetic counselors to understand your predispositions and build a tailored prevention plan. These are conditioning practices that benefit most active people regardless of genotype.
Medical and Editorial Standards
Medical review process: This article was reviewed for medical accuracy, scientific clarity, evidence alignment, and appropriate discussion of genetics, medications, supplements, biomarkers, and health-related claims.
Sources and evidence: PlexusDx educational content is developed using peer-reviewed research, clinical literature, reputable medical references, and, where applicable, public health or regulatory guidance. References are included at the end of the article when scientific, medical, or health-related claims are discussed.
Commercial transparency: PlexusDx offers genetic testing, blood biomarker testing, personalized supplement recommendations, and related precision wellness services. Product mentions are intended to help readers understand available options and should not be interpreted as medical advice.
Important disclaimer: PlexusDx educational content is for informational purposes only and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about medications, supplements, genetic testing, lab testing, or health-related care.
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