Calcium-sensing beyond neurotransmitters: functions of synaptotagmins in neuroendocrine and endocrine secretion
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Calcium-sensing beyond neurotransmitters : functions of synaptotagmins in neuroendocrine and endocrine secretion. / Gustavsson, Natalia; Han, Weiping.
In: Bioscience Reports, Vol. 29, No. 4, 08.2009, p. 245-59.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Calcium-sensing beyond neurotransmitters
T2 - functions of synaptotagmins in neuroendocrine and endocrine secretion
AU - Gustavsson, Natalia
AU - Han, Weiping
PY - 2009/8
Y1 - 2009/8
N2 - Neurotransmitters, neuropeptides and hormones are released through the regulated exocytosis of SVs (synaptic vesicles) and LDCVs (large dense-core vesicles), a process that is controlled by calcium. Synaptotagmins are a family of type 1 membrane proteins that share a common domain structure. Most synaptotagmins are located in brain and endocrine cells, and some of these synaptotagmins bind to phospholipids and calcium at levels that trigger regulated exocytosis of SVs and LDCVs. This led to the proposed synaptotagmin-calcium-sensor paradigm, that is, members of the synaptotagmin family function as calcium sensors for the regulated exocytosis of neurotransmitters, neuropeptides and hormones. Here, we provide an overview of the synaptotagmin family, and review the recent mouse genetic studies aimed at understanding the functions of synaptotagmins in neurotransmission and endocrine-hormone secretion. Also, we discuss potential roles of synaptotagmins in non-traditional endocrine systems.
AB - Neurotransmitters, neuropeptides and hormones are released through the regulated exocytosis of SVs (synaptic vesicles) and LDCVs (large dense-core vesicles), a process that is controlled by calcium. Synaptotagmins are a family of type 1 membrane proteins that share a common domain structure. Most synaptotagmins are located in brain and endocrine cells, and some of these synaptotagmins bind to phospholipids and calcium at levels that trigger regulated exocytosis of SVs and LDCVs. This led to the proposed synaptotagmin-calcium-sensor paradigm, that is, members of the synaptotagmin family function as calcium sensors for the regulated exocytosis of neurotransmitters, neuropeptides and hormones. Here, we provide an overview of the synaptotagmin family, and review the recent mouse genetic studies aimed at understanding the functions of synaptotagmins in neurotransmission and endocrine-hormone secretion. Also, we discuss potential roles of synaptotagmins in non-traditional endocrine systems.
KW - Animals
KW - Calcium
KW - Endocrine System
KW - Exocytosis
KW - Mice
KW - Neurosecretory Systems
KW - Neurotransmitter Agents
KW - Synaptotagmins
KW - Journal Article
KW - Research Support, Non-U.S. Gov't
KW - Review
U2 - 10.1042/BSR20090031
DO - 10.1042/BSR20090031
M3 - Journal article
C2 - 19500075
VL - 29
SP - 245
EP - 259
JO - Bioscience Reports
JF - Bioscience Reports
SN - 0144-8463
IS - 4
ER -
ID: 172513234