- Membership & Community
-
Publications & News
- Journals
-
Newsroom
-
The Physiologist Magazine
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- In Depth
-
Mentoring Forum
- Net Worth
- Take Care
- You … In Charge
- Work. It. Out.
- Working Off-site
- Location, Location, Location?
- Student Support
- Progressing to Postdoc
- Relationship Building
- Let’s Get It Started
- What Do We Value?
- It’s a Postdoc Life
- Coronavirus Contributions
- Creative Communications
- Selection Process
- Conference Connections
- Postdoc Appreciation
- Research Rewards
- Focus on Teaching
- Industry Insights
- Balance Beam
- Post Postdoc
- If You Build It
- Talk It Through
- Forward Bound
- I’ve Earned My PhD. Now What?
- University Life
- Tips for Trainees
- Time Travel
- Policy IQ
- Publish with Polish
- Under the Microscope
- Mentoring Q&A
- The Physiologist Magazine Readers Survey
- Evolution
- Baseline by Scott Steen, CAE, FASAE
- Find Us on Social Media
-
The Physiologist Magazine
-
Professional Development
-
Meetings & Events
-
American Physiology Summit
- #APS2024 Overview
- Abstracts
- Awards at the Summit
- Award Lectures
- Career Networking Lunch Form
- Dates and Deadlines
- Hotel Information
- Industry Partners
- Keynote Speaker—Brian Kobilka, MD
- Keynote Speaker—Jessica Meir, PhD
- Mobile App
- NIH and NSF Program Officer Panel Discussion Form
- Off-site Summit Meetups
- Physical Poster Information
- PhysioHub
- Pre-Summit Events
- Registration
- Section & Group Banquet Tickets
- Speaker Audiovisual Instructions
- Summit FAQs
- Summit Newsroom
- Summit Store
- Travel & Transportation
- Undergraduate Program Book
- Liability Waiver
- Summit Call for Proposals
- Industry Partners
- Martin Frank Diversity Travel Award Orientation Agenda
- Martin Frank Diversity Travel Award Networking Luncheon Agenda
- Women in Physiology Networking Event Agenda
-
2023
- APS 2023 Call for Proposals
- Shocklogic Test
- Team 2023 Task Force
- Shaping the Summit
- Schedule at a Glance
- Pre-Summit Events
- Pre-Summit Center for Physiology Education Workshop Registration
- Section & Groups Banquet Tickets
- Summit Store
- Pre-Summit Center for Physiology Education Workshop
- Press Registration
- Meet the Organizers
- Keynote Speaker—Terrie Williams, PhD
- Keynote Speaker—David Julius, PhD
- Industry Workshop Information
- Important Dates and Deadlines
- Hotel Information
- Game Changers
- Distinguished Lecturers
- Building APS 2023
- Awards at the Summit
- 2023 Summit Information
- American Physiology Summit Program
- 2023 Summit Newsroom
- 2024
- Scientific Integrity Policy
- From Concept to Classroom
- Webinars
- Related Meetings
- Future APS Conferences
-
Past APS Conferences
- APS Institute on Teaching and Learning
- Integrative Physiology of Exercise
- Seventeenth International Conference on Endothelin (ET-17)
- New Trends in Sex and Gender Medicine
- APS Institute on Teaching and Learning (2022)
- Control of Renal Function in Health and Disease Conference
- Comparative Physiology: From Organisms to Omics in an Uncertain World
- Conference Policies
-
American Physiology Summit
- Awards
-
Career & Professional Development
-
Career Gateway
-
Resources
- Transcript—Leading Through Conflict and Difficult Conversations
- Transcript—Managing Conflict with Colleagues
- Transcript—Leading a Team Through Conflict
- Transcript—Providing Difficult Feedback
- Transcript—Team Dynamics and Culture Primer
- Transcript—Building a Team
- Transcript—Leading a Team Assigned to You
- Transcript—Creating a Team Culture
-
Resources
- Career Navigator
- Center for Physiology Education
- Job Board
- Mentoring
- APS Graduate Physiology & Biomedical Science Catalog
-
Career Gateway
-
Meetings & Events
-
Advocacy & Resources
- Policy Areas
-
Resources
- Researcher Resources
- Educator Resources
- Trainee Resources
- Student Resources
-
APS Graduate Physiology & Biomedical Science Catalog
- Augusta University
- Des Moines University
- East Tennessee State University
- George Washington University
- Louisiana State University Health Sciences Center Shreveport
- Mayo Clinic Graduate School of Biomedical Sciences—Biomedical Engineering & Physiology
- Medical College of Wisconsin
- Michigan State University
- New York Medical College
- Nova Southeastern University
- Pennsylvania State University
- Saint Louis University
- Texas A&M University
- Texas A&M University Medical Physiology
- Stony Brook University
- The University of Iowa
- The University of Mississippi Medical Center
- University of Alabama at Birmingham
- University at Buffalo
- University of Colorado
- University of Delaware
- University of Florida
- University of Louisville
- University of Michigan
- University of Minnesota
- University of Missouri-Biomedical Sciences
- University of Nebraska Medical Center
- University of Oregon
- University of South Carolina School of Medicine
- University of Tennessee Health Science Center (UTHSC)
- University of Texas Health Science Center
- Virginia Commonwealth University
- Wayne State University
- Wake Forest University
- Physiology Department Catalog Submission Form
- Career Gateway
- Diversity, Equity & Inclusion
- Advocacy
- About APS
Rockville, Md. (November 9, 2020)—Tendons, the strong bands of connective tissue that connect muscles to bones, stabilize the structure of the body and facilitate movement. The internal balance (homeostasis) of this dynamic tissue can become disturbed easily, which can lead to tendon disease. Researchers featured in the “Homeostasis and adaptation of tendons to exercise” symposium—presented this week virtually at the American Physiological Society (APS) Integrative Physiology of Exercise conference—will discuss how exercise, inactivity and the body’s internal clock drive structural changes to tendons and their supportive tissues.
Circadian Clock Regulates Body's Collagen Production
“Tendons are a highly dynamic tissue with genetic, biochemical and structural changes occurring day and night regulated by the circadian clock,” Karl Kadler, PhD, of the University of Manchester in the U.K said. The circadian clock is the natural 24-hour cycle that organizes biological processes in the body. Kadler and his research team studied the role of the circadian clock in tendons in regulating the homeostasis of collagen, the most abundant structural protein found in connective tissue. They found that collagen accumulates in tendons during times when the body’s circadian clock is turned off. Excessive collagen leads to fibrosis in the tissues and may even be fatal in some cases. The researchers developed a collagen reporter tool, called DyProQ, that measures the number of collagen molecules being synthesized by a cell and can determine whether circadian clocks are active or disabled. They found that the circadian cycle regulates collagen synthesis by cells in the body.
Intense Training Disturbs Tendon Homeostasis, Leads to Injury
Michael Kjaer, MD, PhD, of Copenhagen University and Bispebjerg Hospital in Denmark, will discuss the effects of exercise and sedentary behavior on tendon loading and collagen turnover. “The collagen turnover in tendon can be up- and down-regulated with exercise or inactivity, respectively, and specific parts of the tendon are responsible for this loading-induced collagen dynamics. Long-term overuse of tendon (e.g., intense training) results in disturbed homeostasis and swelling of the tendon, excess angiogenesis and upregulated formation of collagen,” Kjaer wrote.
Researchers Explore How Exercise Influences Tendon Inflammation
Stephanie Dakin, PhD, BVetMed, from the University of Oxford in the U.K., studied the microscopic characteristics of tendons in people with exercise-related tendinopathy. Tendinopathy is a tendon disorder that causes pain, inflammation and limited function of the affected joint. Her research team found an increased number of blood vessels and cells—suggestive of inflammatory response—in the injured tendon samples when compared with healthy tissue. “Advancing understanding of how exercise influences tendon inflammation at the cellular level during early-stage injury will inform the development of treatment regimens that optimize tissue repair during this critical therapeutic window. This knowledge is important to reduce the formation of scar tissue and likelihood of recurrent injury,” Dakin explained.
The symposium “Homeostasis and adaptation of tendons to exercise” will be held on Thursday, November 12.
NOTE TO JOURNALISTS: The APS Integrative Physiology of Exercise will be held November 9–13 on a virtual platform. To schedule an interview with the conference organizers or presenters, contact the APS Communications Office or call 301.634.7314. Find more research highlights in the APS Newsroom.
Physiology is a broad area of scientific inquiry that focuses on how molecules, cells, tissues and organs function in health and disease. The American Physiological Society connects a global, multidisciplinary community of more than 10,000 biomedical scientists and educators as part of its mission to advance scientific discovery, understand life and improve health. The Society drives collaboration and spotlights scientific discoveries through its 16 scholarly journals and programming that support researchers and educators in their work.
Related Content
- Prebiotics Could Help Space Travelers Stay Healthy
- COVID-19 Impacting Our Health along Multiple Axes
- New American Physiological Society Leaders Take Office
- Exercise and Cancer: From Prevention to Treatment
- Heat Stress May Affect the Muscles for Longer Than We Think
- APS Recognized with Marketing and Communications Awards
- Study of College Athletes Shows that Nutrition and Sleep May Go Hand in Hand
Contact Us
For questions, comments or to share your story ideas, email us or call 301.634.7314.