Table 2.

Basic studies affecting the secretion of GLP-1.

factors	object	Secretion	reference
ketone body	cell	↓	42
Palmitate	GLUTag cell	↓	31
Palmitate	GLUTag cell	↓	32
Palmitate	GLUTag cell	↓	33
Palmitate	GLUTag cell	↓	34
Palmitate	GLUTag cell	↓	37
Palmitate	GLUTag cell	↓	30
oleic acid	GLUTag cell	↑	31
oleic acid	GLUTag cell	↑	32
oleic acid	GLUTag cell	↑	33
oleic acid	GLUTag cell	↑	34
nutrient excess	rat	↓	30
obese	rat	↓	56
obese	rat	↓	57
TNFα	rat	Short term↑	64
TNFα	rat	long term↓	64
IL-6	rat	↑	66
protein	rat	↑	52
dark cycle	rat	↑	56
Akkermansia	rat	↑	82
H. pylori	rat	↓	85
Lactobacillus	rat	↑	86
Somatostatin	rat	↑	96
SCGN	rat	↑	97
exercise		↑