β-Cell Glucose Sensitivity Is Linked to Insulin/Glucagon Bihormonal Cells in Nondiabetic Humans
Author(s) -
Teresa Mezza,
Gian Pio Sorice,
Caterina Conte,
Vinsin A. Sun,
C. Cefalo,
Simona Moffa,
Alfredo Pontecorvi,
Andrea Mari,
Rohit Kulkarni,
Andrea Giaccari
Publication year - 2015
Publication title -
the journal of clinical endocrinology and metabolism
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.206
H-Index - 353
eISSN - 1945-7197
pISSN - 0021-972X
DOI - 10.1210/jc.2015-2802
Subject(s) - medicine , endocrinology , islet , neogenesis , transdifferentiation , insulin , glucagon , insulin oscillation , insulin resistance , pancreas , biology , diabetes mellitus , alpha cell , pancreatic hormone , cell , beta cell , biochemistry
Insulin resistance impacts virtually all tissues, including pancreatic β cells. Individuals with insulin resistance, but without diabetes, exhibit an increased islet size because of an elevated number of both β and α cells. Neogenesis from duct cells and transdifferentiation of α cells have been postulated to contribute to the β-cell compensatory response to insulin resistance.
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