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Radu V. Stan, MD, PhD

Professor of Biochemistry and Cell Biology

Additional Titles/Positions/Affiliations
Director, Optical Cell Imaging Facility, Co-Director, Irradiation, Pre-clinical Imaging and Microscopy Shared Resource, Norris Cotton Cancer Center, Lebanon, NH

Biochemistry and Cell Biology

M.D. 1993 - Cluj, Romania
Postdoctoral, 1994-1999 at University of California San Diego Medical (Advisor George E. Palade)
Ph.D. 2013 - Groningen, The Netherlands

Heart and Vascular Research Center
Dartmouth Cancer Center
Program in Experimental and Molecular Medicine


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Contact Information

Geisel School of Medicine at Dartmouth
Department of Biochemistry and Cell Biology
One Medical Center Drive
Lebanon NH 03756

Office: Rubin 623
Phone: 603-650-8781
Fax: 603-653-9952
Email: Radu.V.Stan@Dartmouth.edu

Professional Interests

Our laboratory studies the biology of endothelial cells related to cardiovascular function in normal undisturbed tissues as well as in adaptive and pathologic processes underlying inflammatory diseases and cancer.

Our efforts are currently focused on several distinct but interactive project areas, relying on a wide array of experimental approaches including electron microscopy, fluorescence live cell imaging, biochemical, cell biological, genetic and whole animal physiology approaches. These current focus areas are:

1) Cell biology of the endothelium: The laboratory studies how, on one hand, fundamental mechanisms of signaling and membrane traffic control endothelial cell differentiation and organization in different vascular beds. Specific endothelial structures (fenestrae, transendothelial channels, vesiculo-vacuolar organelles, caveolae and other vesicular carriers) have been shown to mediate the exchanges between blood and tissues. Our laboratory has cloned and characterized Plasmalemma Vesicle Associated Protein (PLVAP) gene, whose gene product, the PLVAP/PV1 protein, is the first known component of the endothelial stomatal and fenestral diaphragms, present on the endothelial structures involved in permeability. Taking advantage of PV1 we are currently trying to understand the biogenesis, cellular function and regulation of the endothelial structures involved in transendothelial exchange.

2) Pathways of exchange between blood and the interstitial space: We are particularly interested in elucidating the molecular mechanisms involved in the transendothelial exchanges between the blood plasma and the interstitial fluid in health and disease. We are using genetically engineered mice generated in the lab to understand the precise role of vesicular trafficking as well as the role of endothelial microdomains such as transendothelial channels, fenestrae and vesiculo-vacuolar organelles in microvascular permeability.

3) Role of PV1 in inflammation: PV1 is unregulated on the activated endothelium in inflammatory lesions. Downregulation of PV1 results in blunted diapedesis of leukocytes, which prompted studies as to the precise mechanism by which PV1 participates in this process.

4) Role of PV1 in cancer: Previous work has shown that PV1 is expressed in most, if not all, solid tumor vessels. We have shown that intratumoral deletion of PV1 results in impaired tumor growth, which prompted studies as to the precise mechanism by which PV1 promotes tumor formation and growth.

Keywords: Inflammation, cancer, angiogenesis, microvascular permeability endothelial differentiation, endothelial cell biology, endocytosis, transcytosis, fenestrae, caveolae, transendothelial channels.

Rotations and Thesis Projects

1. Cell biology of endothelial diaphragm. Characterize the role of PLVAP and its interacting partners in the biogenesis and function of the diaphragms of caveolae and fenestrae. Determine the roles of these endothelial structures in vivo.
2. Determine the role of PLVAP in cancer. We are employing multiple cancer models to study the role of PLVAP in tumor growth.
3. Development of anticancer diagnostics and therapeutics.

Grant Information


Courses Taught

PEMM 101
PEMM 102
PEMM 275
PEMM 126


Dr. Stan did his postdoctoral training 1994-1999 at University of California San Diego Medical in the laboratory of George Palade, where he worked on the role of caveolae/lipid rafts and fenestrae in the cell biology of vascular permeability. He joined the faculty at UCSD as a Project Scientist (1999 ) and Research Assistant Professor (2000) in the Department of Cellular and Molecular Medicine continuing his studies of the molecular mechanisms of vascular permeability and the structures involved. In 2004, Dr. Stan joined the faculty of the departments of Pathology, and of Microbiology and Immunology at Dartmouth Medical School as an Assistant Professor. Currently Dr Stan is Associate Professor of Biochemistry and Cell Biology, a member of the Norris Cotton Cancer Center and affiliated with the BioMT COBRE. Since 2013 Dr Stan serves as the Director of the Optical Cell Imaging Facility and Co-Director, Irradiation, Pre-clinical Imaging and Microscopy Shared Resource, Norris Cotton Cancer Center.

Selected Publications


Acute ACAT1/SOAT1 Blockade Increases MAM Cholesterol and Strengthens ER-Mitochondria Connectivity.
Harned TC, Stan RV, Cao Z, Chakrabarti R, Higgs HN, Chang CCY, Chang TY
Int J Mol Sci. 2023 Mar 14;24(6) doi: 10.3390/ijms24065525. Epub 2023 Mar 14.
PMID: 36982602

Pattern of tamoxifen-induced Tie2 deletion in endothelial cells in mature blood vessels using endo SCL-Cre-ERT transgenic mice.
Zwiers PJ, Jongman RM, Kuiper T, Moser J, Stan RV, Gothert JR, van Meurs M, Popa ER, Molema G
PLoS One. 2022;17(6):e0268986. doi: 10.1371/journal.pone.0268986. Epub 2022 Jun 8.
PMID: 35675336

Primary myxoid and epithelioid mesenchymal tumor of the kidney with a novel GLI1-FOXO4 fusion.
Pettus JR, Kerr DA, Stan RV, Tse JY, Sverrisson EF, Bridge JA, Linos K
Genes Chromosomes Cancer. 2021 Feb;60(2):116-122. doi: 10.1002/gcc.22916. Epub 2020 Nov 18.
PMID: 33159395

The Role of PTEN in Neurodevelopment.
Skelton PD, Stan RV, Luikart BW
Mol Neuropsychiatry. 2020 Apr;5(Suppl 1):60-71. doi: 10.1159/000504782. Epub 2020 Jan 21.
PMID: 32399470

EphB1 interaction with caveolin-1 in endothelial cells modulates caveolae biogenesis.
Tiruppathi C, Regmi SC, Wang DM, Mo GCH, Toth PT, Vogel SM, Stan RV, Henkemeyer M, Minshall RD, Rehman J, Malik AB
Mol Biol Cell. 2020 May 15;31(11):1167-1182. doi: 10.1091/mbc.E19-12-0713. Epub 2020 Apr 2.
PMID: 32238105

Lymph node conduits transport virions for rapid T cell activation.
Reynoso GV, Weisberg AS, Shannon JP, McManus DT, Shores L, Americo JL, Stan RV, Yewdell JW, Hickman HD
Nat Immunol. 2019 May;20(5):602-612. doi: 10.1038/s41590-019-0342-0. Epub 2019 Mar 18.
PMID: 30886418

Phorbol esters induce PLVAP expression via VEGF and additional secreted molecules in MEK1-dependent and p38, JNK and PI3K/Akt-independent manner.
Hamilton BJ, Tse D, Stan RV
J Cell Mol Med. 2019 Feb;23(2):920-933. doi: 10.1111/jcmm.13993. Epub 2018 Nov 5.
PMID: 30394679

Spatially controlled assembly of affinity ligand and enzyme cargo enables targeting ferritin nanocarriers to caveolae.
Shuvaev VV, Khoshnejad M, Pulsipher KW, Kiseleva RY, Arguiri E, Cheung-Lau JC, LeFort KM, Christofidou-Solomidou M, Stan RV, Dmochowski IJ, Muzykantov VR
Biomaterials. 2018 Dec;185:348-359. doi: 10.1016/j.biomaterials.2018.09.015. Epub 2018 Sep 12.
PMID: 30273834

Flexible Nanoparticles Reach Sterically Obscured Endothelial Targets Inaccessible to Rigid Nanoparticles.
Myerson JW, Braender B, Mcpherson O, Glassman PM, Kiseleva RY, Shuvaev VV, Marcos-Contreras O, Grady ME, Lee HS, Greineder CF, Stan RV, Composto RJ, Eckmann DM, Muzykantov VR
Adv Mater. 2018 Aug;30(32):e1802373. doi: 10.1002/adma.201802373. Epub 2018 Jun 28.
PMID: 29956381

Targeting superoxide dismutase to endothelial caveolae profoundly alleviates inflammation caused by endotoxin.
Shuvaev VV, Kiseleva RY, Arguiri E, Villa CH, Muro S, Christofidou-Solomidou M, Stan RV, Muzykantov VR
J Control Release. 2018 Feb 28;272:1-8. doi: 10.1016/j.jconrel.2017.12.025. Epub 2017 Dec 29.
PMID: 29292038

View more publications on PubMed