Fluorescent dextrans in intravital multi- photon microscopy

Ruben M. Sandoval, Bruce Molitoris

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Intravital Multi-photon microscopy stands unique among investigative tools because of the rich and dynamic information that can be rapidly collected and quickly analyzed. Additionally, data gathered from an intact in vivo subject in many cases is more meaningful than that derived from isolated in vitro methods that lack the complex interactions only found within intact organs. There are numerous fluorescent compounds that have been utilized in intravital microscopy studies to delineate compartments and label organelles. Dextrans are unique in that they are inert, are polymers and as such available in various sizes, and are easily modified to accept fluorophores. Here we describe how dextrans can be used to label different compartments within the kidney based solely on molecular weight. Parameters such as microvascular flow rates and vascular integrity, vesicular trafficking, and renal function can be studied using established techniques. Despite their broad versatility, precautions must be taken when using specified molecular weight sizes because preparations with a broad heterogeneity of their polymer sizes can lead to misinterpretation of data in parameters such as membrane integrity and renal function.

Original languageEnglish (US)
Title of host publicationAdvances in Intravital Microscopy: From Basic to Clinical Research
PublisherSpringer Netherlands
Pages205-219
Number of pages15
ISBN (Print)9789401793612, 9789401793605
DOIs
StatePublished - Jan 1 2014

Fingerprint

Dextrans
Photons
Microscopy
Kidney
Polymers
Molecular Weight
Organelles
Blood Vessels
Membranes

Keywords

  • Dextrans
  • Endocytosis
  • GFR
  • Glomeruli filtration
  • In vivo physiology
  • Kidney
  • RBC velocity
  • WBC dynamics

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Sandoval, R. M., & Molitoris, B. (2014). Fluorescent dextrans in intravital multi- photon microscopy. In Advances in Intravital Microscopy: From Basic to Clinical Research (pp. 205-219). Springer Netherlands. https://doi.org/10.1007/978-94-017-9361-2_10

Fluorescent dextrans in intravital multi- photon microscopy. / Sandoval, Ruben M.; Molitoris, Bruce.

Advances in Intravital Microscopy: From Basic to Clinical Research. Springer Netherlands, 2014. p. 205-219.

Research output: Chapter in Book/Report/Conference proceedingChapter

Sandoval, RM & Molitoris, B 2014, Fluorescent dextrans in intravital multi- photon microscopy. in Advances in Intravital Microscopy: From Basic to Clinical Research. Springer Netherlands, pp. 205-219. https://doi.org/10.1007/978-94-017-9361-2_10
Sandoval RM, Molitoris B. Fluorescent dextrans in intravital multi- photon microscopy. In Advances in Intravital Microscopy: From Basic to Clinical Research. Springer Netherlands. 2014. p. 205-219 https://doi.org/10.1007/978-94-017-9361-2_10
Sandoval, Ruben M. ; Molitoris, Bruce. / Fluorescent dextrans in intravital multi- photon microscopy. Advances in Intravital Microscopy: From Basic to Clinical Research. Springer Netherlands, 2014. pp. 205-219
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