Inštitut za patološko fiziologijo

Laboratorij za endokrinologijo - molekularna celična fiziologija (LN-MCP)

 

Spletna stran Laboratorija LN-MCP

Vodja laboratorija: Robert Zorec

Člani laboratorija:

  • Mičo Božič
  • Katja Fink
  • Helena Chowdhury Haque
  • Mateja Gabrijel
  • Anemari Horvat
  • Jernej Jorgačevski
  • Marko Kreft
  • Marjeta Lisjak
  • Miha Pate
  • Maja Potokar
  • Boštjan Rituper
  • Primož Runovc
  • Saša Trkov
  • Tina Smolič
  • Matjaž Stenovec
  • Nina Vardjan

 

The longterm program of the Laboratory of Neuroendocrinology, is to study molecular mechanisms of regulated exocytotic hormone secretion. The function of a single cell is studied by electrophysiological techniques of patch-clamping, where the secretory activity is monitored by changes in membrane capacitance. Since cytosolic calcium activity is the trigger of exocytosis in excitable cells, fluorescence (photometric and imaging) methods are used to measure changes in cytosolic calcium. Caged calcium photolysis is used to produce a step change in cytosolic calcium. A method was developed to quantify the interaction between a single secretory granule and plasmalemma, detected as discrete steps in membrane capacitance (femtofarad steps). A combination of molecular biology and electrophysiology approach was adopted to inhibit expression of monomeric GTP-binding proteins. Confocal microscopy is used to study molecular mechanisms of regulated exocytosis in endocrine cells, astrocytes and photoreceptors. We also use confocal microscopy to evaluate our bioengeneering products.

 

Bibliografija: SICRIS

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