C2

There are 7 papers on C2 in aging research: 6 observational studies in people, 1 in animals.

Biomarker

7 papers study it4 findings

1 new paper in 30 daysSee all 7 papers on C2

“C2 (OR = 1.051, CI = 1.019-1.085, p = 0.002)”
Non-Invasive radial pressure wave analysis may digitally predict women's risks of type 2 diabetes (T2DM): A case and control group studyPloS one2021doi:10.1371/journal.pone.0259269
  • Humans6
  • Animals1

Associations

4

Worsened outcomes over 2 years

upin humans1

1 study
  1. C2 is associated with worsened outcomes over 2 years in community-based KFACS cohort (p = 0.002).

    “were elevated in individuals with worsened outcomes over 2 years (p = 0.002 and p = 0.034, respectively)”

    Humansin community-based KFACS cohortplasma extracellular vesicle-associated protein2 yearsn = 90

    Plasma Extracellular Vesicles-Derived Complement Proteins as Biomarkers of Sarcopenia Progression in Longitudinal Cohorts

    Journal of cachexia, sarcopenia and muscle

Gait speed decline

downin humans1

1 study
  1. C2 is associated with gait speed decline in community-based KFACS cohort (β = -0.302, p = 0.006).

    “EV-associated complement proteins, particularly C2 and C4B, were strongly associated with declines in gait speed (β = -0.302, p = 0.006; β = -0.231, p = 0.028, respectively)”

    Humansin community-based KFACS cohortplasma extracellular vesicle-associated protein2 yearsn = 90

    Plasma Extracellular Vesicles-Derived Complement Proteins as Biomarkers of Sarcopenia Progression in Longitudinal Cohorts

    Journal of cachexia, sarcopenia and muscle

Diastolic oscillation amplitude

upin humans1

1 study
  1. Diastolic oscillation amplitude is associated with C2 in humans.

    “we found a strong linear correlation with C2”

    Humans

    The Diastolic Oscillation Amplitude Used as an Arterial Aging Indicator

    Vascular health and risk management

More on Diastolic oscillation amplitude

Type 2 diabetes

upin humans1OR 1.051

1 study
  1. C2 is associated with type 2 diabetes in humans (non-pregnant) (OR 1.051, CI 1.019-1.085).

    “C2 (OR = 1.051, CI = 1.019-1.085, p = 0.002)”

    Humansnon-pregnantfemalesn = 808

    Non-Invasive radial pressure wave analysis may digitally predict women's risks of type 2 diabetes (T2DM): A case and control group study

    PloS one

More on Type 2 diabetes

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Dec 2025: 0Jan 2026: 1Feb 2026: 0Mar 2026: 1Apr 2026: 0May 2026: 0Jun 2026: 0Jul 2026: 1Aug 2026: 0Sep 2026: 0Oct 2026: 0Nov 2026: 14 papers in 12 months