Species diversity regarding the presence of proximal tubular progenitor cells of the kidney

  • J. Hansson Lund University, Sweden.
  • A.E. Ericsson Astra-Zeneca R&D Mölndal, CKD, Bioscience HB258, Sweden.
  • H. Axelson Lund University, Sweden.
  • M.E. Johansson | martin.johansson@med.lu.se Lund University, SkÃ¥ne University Hospital, Sweden.

Abstract

The cellular source for tubular regeneration following kidney injury is a matter of dispute, with reports suggesting a stem or progenitor cells as the regeneration source while linage tracing studies in mice seemingly favor the classical theory, where regeneration is performed by randomly surviving cells. We, and others have previously described a scattered cell population localized to the tubules of human kidney, which increases in number following injury. Here we have characterized the species distribution of these proximal tubular progenitor cells (PTPCs) in kidney tissue from chimpanzee, pig, rat and mouse using a set of human PTPC markers. We detected PTPCs in chimpanzee and pig kidneys, but not in mouse tissue. Also, subjecting mice to the unilateral urethral obstruction model, caused clear signs of tubular injury, but failed to induce the PTPC phenotype in renal tubules.

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Author Biographies

J. Hansson, Lund University
Translational Cancer Research, Department of Laboratory Medicine
H. Axelson, Lund University
Translational Cancer Research, Department of Laboratory Medicine
M.E. Johansson, Lund University, Skåne University Hospital
Center for Molecular Pathology, Department of Translational Medicine; Department of Pathology, Skåne University Hospital
Published
2016-02-05
Section
Brief Reports
Supporting Agencies
Marianne & Marcus Wallenberg Foundation, National Association against Kidney Diseases, Prof. Lars-Erik Gelins Commemorative fund, Governmental funding of Clinical Research within the ALF, SUS,
Keywords:
Acute tubular necrosis, tubular regeneration, species diversity, , proximal tubules.
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How to Cite
Hansson, J., Ericsson, A., Axelson, H., & Johansson, M. (2016). Species diversity regarding the presence of proximal tubular progenitor cells of the kidney. European Journal of Histochemistry, 60(1). https://doi.org/10.4081/ejh.2016.2567