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Lois Johanna Arend, M.D., Ph.D.

Photo of Dr. Lois Johanna Arend, M.D., Ph.D.

Director, Pathology Clinical Fellowship Programs

Associate Professor of Pathology


Expertise: Pathology, Renal Pathology, Transplant Pathology

Research Interests: Renal pathology


The Johns Hopkins Hospital

600 N. Wolfe Street
Sheikh Zayed Tower
Baltimore, MD 21287 map
Phone: 443-287-0166


Dr. Lois Arend is an associate professor of pathology at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include renal pathology and transplant pathology. Dr. Arend serves as the program director of the renal pathology fellowship training program and director of clincial fellowships.

Dr. Arend earned her Ph.D. and M.D. from Michigan State University. She completed her residency in pathology and performed a fellowship in renal pathology at the University of Michigan Medical School.

Her research interests include the mechanisms of mammalian kidney development, transplant pathology, and renal pathology. more


  • Director, Pathology Clinical Fellowship Programs
  • Program Director, Renal Pathology Fellowship Training Program
  • Associate Professor of Pathology

Departments / Divisions



  • MD, Michigan State University Medical Education and Research Center (1992)


  • University of Michigan Medical School / Pathology (1996)


  • University of Michigan Medical School / Pathology (1998)

Board Certifications

  • American Board of Pathology / Anatomic Pathology (1995)

Research & Publications

Research Summary

Dr. Arend's research interests are in the area of pathologic aspects of kidney disease.

Selected Publications

View all on Pubmed

Kirby RJ, Swertfeger, D, Arend LJ. Crosstalk between GDNF/RET and S1P/S1PR signaling pathways regulates kidney epithelial cell migration. In Preparation.

Shah S, Sethi S, Arend L, Geetha D. Crystal-storing histiocytosis. Kidney Int. 2016 Feb; 89(2):507. doi: 10.1016/j.kint.2015.12.012

Cebotaru L, Cebotaru V, Wang H, Arend LJ, Guggino WB. STIM1fl/fl Ksp-Cre Mouse has Impaired Renal Water Balance. Cell Physiol Biochem. 2016;39(1):172-82. doi: 10.1159/000445614. Epub 2016 Jun 24. PMID: 27336410

Martina MN, Noel S, Saxena A, Bandapalle S, Majithia R, Jie C, Arend LJ, Allaf ME, Rabb H, Rahim A, Hamad A. Double-Negative αβ T Cells Are Early Responders to AKI and Are Found in Human Kidney. J Am Soc Nephrol. 2015 Aug 27. pii: ASN.2014121214. [Epub ahead of print] PMID: 26315532

Bagnasco SM, Gottipati S, Kraus E, Alachkar N, Montgomery RA, Racusen LC, Arend LJ. Sarcoidosis in native and transplanted kidneys: incidence, pathologic findings, and clinical course. PLoS One. 2014 Oct 20;9(10):e110778. doi: 10.1371/journal.pone.0110778. eCollection 2014. PMID:25329890

Activities & Honors


  • Renal Pathology Society
  • American Society of Nephrology
  • International Society of Nephrology
  • United States & Canadian Academy of Pathology
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