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PMID |
Sentence |
1 |
15125025
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The immunohistochemical data showed that, among the established islet hormones, insulin was present in more than 50% of cells, whereas glucagon and somatostatin occurred only sporadically.
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2 |
15125025
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Though cells positive for pancreatic polypeptide (PP) were not found, PP-related peptides (NPY and PYY) however could be detected in a minority of cells.
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3 |
15125025
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The great majority of RINm5F cells were immunoreactive for chromogranin B (CgB), followed by insulin, chromogranin A (CgA), and serotonin (5-HT).
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4 |
16497807
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Semiquantitative RT-PCR confirmed the overexpression of four genes involved in neuroendocrine differentiation and neuronal plasticity (chromogranin B, growth-associated protein 43, neurofilament 3, and Slit2) in the adrenal glands of FR50 rats.
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5 |
18437352
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Beta cell chromogranin B is partially segregated in distinct granules and can be released separately from insulin in response to stimulation.
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6 |
21898210
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RT-PCR was performed on a range of mRNAs, including Pdx1, Npy, Egr1, Pld1, Chgb, InsI, InsII, and Actb in biological triplicate analyses.Reproducible amplification of these mRNAs from MIN6, MIN6 B1, and Vero-PPI cells and their CM suggests that beta cells transcribe and release these mRNAs into their environment. mRNAs secreted from insulin-producing cells into their extracellular environment may have potential as extracellular biomarkers for assessing beta cell mass and function.
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7 |
23939195
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The biochemical utility of chromogranin A, chromogranin B and cocaine- and amphetamine-regulated transcript for neuroendocrine neoplasia.
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8 |
23939195
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The peptides chromogranin A (CgA), chromogranin B (CgB) and cocaine- and amphetamine-regulated transcript (CART) are widely distributed throughout the neuroendocrine system.
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9 |
23939195
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CgA and CgB have been used as general NEN biomarkers for many years, while CART has only recently been identified.
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10 |
23939195
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However, circulating CgA concentrations exhibit considerable intra-individual biological variation, are altered by proton pump inhibitors (PPIs) and somatostatin analogues and are elevated in non-NEN malignancies.
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11 |
23939195
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The effects of treatment and non-NEN conditions on circulating CgB and CART concentrations are less well understood.
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12 |
23939195
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CgB is less affected by impaired renal function and PPIs than CgA; while, circulating CART concentrations lack a diurnal variation in humans and are more reliable markers of pancreatic NEN malignancy than CgA.
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13 |
23939195
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However, the utility of CgB and CART in NEN management is yet to be elucidated.
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14 |
23939195
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Further studies are needed to establish whether CgB and CART are useful alternatives to CgA.
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15 |
23939195
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The biochemical utility of chromogranin A, chromogranin B and cocaine- and amphetamine-regulated transcript for neuroendocrine neoplasia.
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16 |
23939195
|
The peptides chromogranin A (CgA), chromogranin B (CgB) and cocaine- and amphetamine-regulated transcript (CART) are widely distributed throughout the neuroendocrine system.
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17 |
23939195
|
CgA and CgB have been used as general NEN biomarkers for many years, while CART has only recently been identified.
|
18 |
23939195
|
However, circulating CgA concentrations exhibit considerable intra-individual biological variation, are altered by proton pump inhibitors (PPIs) and somatostatin analogues and are elevated in non-NEN malignancies.
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19 |
23939195
|
The effects of treatment and non-NEN conditions on circulating CgB and CART concentrations are less well understood.
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20 |
23939195
|
CgB is less affected by impaired renal function and PPIs than CgA; while, circulating CART concentrations lack a diurnal variation in humans and are more reliable markers of pancreatic NEN malignancy than CgA.
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21 |
23939195
|
However, the utility of CgB and CART in NEN management is yet to be elucidated.
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22 |
23939195
|
Further studies are needed to establish whether CgB and CART are useful alternatives to CgA.
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