Cited by 159Exercise and Physiological ResponsesSports Performance and TrainingCardiovascular and exercise physiology

Effects of acute exhaustive exercise and chronic exercise training on type 1 and type 2 T lymphocytes

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Lancaster, GI, Halson, SL, Khan, Q, Drysdale, P, Wallace, F, Jeukendrup, AE, Drayson, MT, Gleeson, M·2026·Exercise Immunology Review

Abstract

The present study examined the effects of acute exhaustive exercise and chronic exercise training on type 1 and type 2 T lymphocyte distribution and intracellular cytokine production. Seven endurance-trained male cyclists completed exercise trials to exhaustion before, immediately after, and following 2 weeks of resting recovery from a 6-day intensified training period (ITP). During each trial, resting and post-exercise blood samples were incubated with phorbol 12-myristate 13-acetate (PMA) and ionomycin and stained for T lymphocyte surface antigens (CD3). Cells were then permeabilised, stained for intracellular cytokines and analysed using flow cytometry. Acute exhaustive exercise before and following 2 weeks of recovery from the ITP, but not immediately after the ITP, significantly reduced the circulating percentage and number of lFN-gamma+ (type 1) T cells (P<0.05). In addition, the amount of IFN-gamma produced by stimulated T lymphocytes was decreased (P<0.05) post-exercise during each trial. The percentage and number of interferon (IFN)-gamma+ T lymphocytes was decreased (P<0.05) at rest immediately after the ITP compared with before and following 2 weeks of resting recovery from the ITP. However, the amount of IFN-gamma produced by stimulated T lymphocytes at rest was unaltered following the ITP. Neither acute exercise nor chronic exercise training caused an alteration in the circulating percentage or number of interleukin (IL)-4+ (type 2) T lymphocytes. These results suggest a possible mechanism for the increased incidence of infection reported during chronic exercise training via modulation of type 1/type 2 T lymphocyte distribution.

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  • Changes in immune function following high levels of physical activity include low lymphocyte levels and function, impaired phagocytosis, impaired neutrophilic function, neutrophil degranulation, reduced monocyte function, reduced oxidative burst activity, and potentially lower mucosal immunoglobulin levels.

    “The changes in immune function include low levels of lymphocytes and lymphocyte function (301), impaired phagocytosis, impaired neutrophilic function with prolonged exercise (401), neutrophil degranulation (400), reduced monocyte function (302), reduced oxidative burst activity, and potentially lower mucosal immunoglobulin levels (201).”

    From Lack of Exercise Is a Major Cause of Chronic Diseases (2012) · cites this paper as [301]

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Authors
Lancaster, G., Halson, S., Khan, Q., Drysdale, P., Wallace, F., Jeukendrup, A., Drayson, M., & Gleeson, M.
Venue
Exercise Immunology Review
Publisher
Exercise Immunology Review
Published
2026-07-15
Volume
10
Pages
91-106
OpenAlex
W189068016
Cited by
159
References
1
Citations by year
2026: 2 · 2025: 6 · 2024: 4 · 2023: 6 · 2022: 8 · 2021: 6 · 2020: 9 · 2019: 8 · 2018: 12 · 2017: 11 · 2016: 12 · 2015: 9 · 2014: 8 · 2013: 15 · 2012: 12
FWCI
5.54
Type
journal article
Language
en
Open access
Locations
  • PubMed (publishedVersion)
  • University of Birmingham Research Portal (University of Birmingham) (submittedVersion)
  • Universitätsbibliothek Gießen
  • PubMed
Topics
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
Keywords
acute exhaustive exercise, exercise training, interferon-gamma, IL-4, intracellular cytokine production, endurance cyclists
MeSH terms
Adult, Epinephrine, Fatigue, Humans, Hydrocortisone, Interferon-gamma, Leukocyte Count, Male, Physical Endurance, Exercise, T-Lymphocyte Subsets, Th1 Cells, Th2 Cells

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