Curl rent hypotheses of insulin resistance mostly emphasize cellular mechanisms in peripheral tissues. Although received broad recognition, these opinions may have overlooked the interaction between pancreatic endocrine cells and the peripheral tissues in the process of establishment and maintenance of insulin resistance in the whole body. It has been suggested that basal hyperinsulinemia is the root cause of insulin resistance. Basal insulin release does not share the same intracellular mechanism of high glucose stimulated insulin release; instead, it is regulated by local Ca2+ fluctuation and activation of the cAMP-Epac2/Rap1 signaling pathway. Basal insulin release is controlled by the interaction between pancreatic head β-cells and pancreatic tail α-cells, which release insulin and glucagon, respectively. In diabetes, an elevated basal insulin level would mitigate the sensitivity of peripheral tissues to insulin; the decreased insulin sensitivity and elevated plasma glucose concentration could further stimulate more basal insulin release partially by increasing T-type Ca2+ channel expression and activity in β-cells. This interaction forms a positive feedback loop. Therefore, T-type Ca2+ channel antagonists can potentially be employed to break this positive feedback loop, thus reversing insulin resistance.
Published in | Clinical Medicine Research (Volume 7, Issue 5) |
DOI | 10.11648/j.cmr.20180705.14 |
Page(s) | 124-130 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
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Copyright © The Author(s), 2018. Published by Science Publishing Group |
nsulin Resistance, Hyperinsulinemia, T-type Ca2+ Channel
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APA Style
Ming Li, You Lu, Alun Rongxiang Wang. (2018). View Insulin Resistance from an Interaction Between Pancreatic Islets and Peripheral Tissues. Clinical Medicine Research, 7(5), 124-130. https://doi.org/10.11648/j.cmr.20180705.14
ACS Style
Ming Li; You Lu; Alun Rongxiang Wang. View Insulin Resistance from an Interaction Between Pancreatic Islets and Peripheral Tissues. Clin. Med. Res. 2018, 7(5), 124-130. doi: 10.11648/j.cmr.20180705.14
AMA Style
Ming Li, You Lu, Alun Rongxiang Wang. View Insulin Resistance from an Interaction Between Pancreatic Islets and Peripheral Tissues. Clin Med Res. 2018;7(5):124-130. doi: 10.11648/j.cmr.20180705.14
@article{10.11648/j.cmr.20180705.14, author = {Ming Li and You Lu and Alun Rongxiang Wang}, title = {View Insulin Resistance from an Interaction Between Pancreatic Islets and Peripheral Tissues}, journal = {Clinical Medicine Research}, volume = {7}, number = {5}, pages = {124-130}, doi = {10.11648/j.cmr.20180705.14}, url = {https://doi.org/10.11648/j.cmr.20180705.14}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.cmr.20180705.14}, abstract = {Curl rent hypotheses of insulin resistance mostly emphasize cellular mechanisms in peripheral tissues. Although received broad recognition, these opinions may have overlooked the interaction between pancreatic endocrine cells and the peripheral tissues in the process of establishment and maintenance of insulin resistance in the whole body. It has been suggested that basal hyperinsulinemia is the root cause of insulin resistance. Basal insulin release does not share the same intracellular mechanism of high glucose stimulated insulin release; instead, it is regulated by local Ca2+ fluctuation and activation of the cAMP-Epac2/Rap1 signaling pathway. Basal insulin release is controlled by the interaction between pancreatic head β-cells and pancreatic tail α-cells, which release insulin and glucagon, respectively. In diabetes, an elevated basal insulin level would mitigate the sensitivity of peripheral tissues to insulin; the decreased insulin sensitivity and elevated plasma glucose concentration could further stimulate more basal insulin release partially by increasing T-type Ca2+ channel expression and activity in β-cells. This interaction forms a positive feedback loop. Therefore, T-type Ca2+ channel antagonists can potentially be employed to break this positive feedback loop, thus reversing insulin resistance.}, year = {2018} }
TY - JOUR T1 - View Insulin Resistance from an Interaction Between Pancreatic Islets and Peripheral Tissues AU - Ming Li AU - You Lu AU - Alun Rongxiang Wang Y1 - 2018/11/26 PY - 2018 N1 - https://doi.org/10.11648/j.cmr.20180705.14 DO - 10.11648/j.cmr.20180705.14 T2 - Clinical Medicine Research JF - Clinical Medicine Research JO - Clinical Medicine Research SP - 124 EP - 130 PB - Science Publishing Group SN - 2326-9057 UR - https://doi.org/10.11648/j.cmr.20180705.14 AB - Curl rent hypotheses of insulin resistance mostly emphasize cellular mechanisms in peripheral tissues. Although received broad recognition, these opinions may have overlooked the interaction between pancreatic endocrine cells and the peripheral tissues in the process of establishment and maintenance of insulin resistance in the whole body. It has been suggested that basal hyperinsulinemia is the root cause of insulin resistance. Basal insulin release does not share the same intracellular mechanism of high glucose stimulated insulin release; instead, it is regulated by local Ca2+ fluctuation and activation of the cAMP-Epac2/Rap1 signaling pathway. Basal insulin release is controlled by the interaction between pancreatic head β-cells and pancreatic tail α-cells, which release insulin and glucagon, respectively. In diabetes, an elevated basal insulin level would mitigate the sensitivity of peripheral tissues to insulin; the decreased insulin sensitivity and elevated plasma glucose concentration could further stimulate more basal insulin release partially by increasing T-type Ca2+ channel expression and activity in β-cells. This interaction forms a positive feedback loop. Therefore, T-type Ca2+ channel antagonists can potentially be employed to break this positive feedback loop, thus reversing insulin resistance. VL - 7 IS - 5 ER -