Author

R. Qayyum

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Open access Sep 2026

Spectral Analysis of the T Cell Repertoire Recovery Following Allogeneic Stem Cell Transplantation

The analyses reported here demonstrate that the healthy SCT donors have a spectral signature occupying short to intermediate wavelegnths in the frequency domain, PT CY recipients recover with donor-like spectra on the average, however ATG recipients tend to shift towards higher frequencies.

A. Toor, A. Mariños-Velarde, R. Qayyum · medRxiv · 0 citations

Open access Aug 2026

T cell repertoire diversity measurement; inferences from a dynamical systems model, Fourier Analysis of the T cell repertoire

These findings are consistent with a normal organized distribution of TRB V segment usage in healthy individuals, and a more diffuse and disorderly usage in recipients, consistent with the notion of T cell responses constituting a dynamical system which evolves as a function of time.

A. Toor, A. Mariños-Velarde, R. Qayyum · bioRxiv · 0 citations