ENS	Enteric nervous system
CNS	Central nervous system
GI	Gastrointestinal
ISCs	Intestinal stem cells
ECs	Enterocytes
EE	Enteroendocrine
EBs	Enteroblasts
GBA	Gut-brain axis
VNC	Ventral nerve cord
PDF	Pigment dispersing factor
ITP	Ion transport peptide
Akh	Adipokinetic hormone
AST	Allatostatin
Dh44	Diuretic hormone 44
sNPF	Short neuropeptide F
Tk	Tachykinin
HGN1	Hindgut neuron1
IN1	Interneurons neurons
Ilp7	Insulin-like peptide 7
Hh	Hedgehog
DILP2	Drosophila insulin-like peptide
PNS	Peripheral nervous system
Lst	Limostatin
NPF	Neuropeptide F
Lk	Leucokinin
DTKR	Drosophila Tk receptor
IPCs	Insulin-producing cell
Upd2	Unpaired 2
EGFR	EGF receptor
ICN	IPC-connecting neurons
Ast-A	Allatostatin-A
Ast-B	Allatostatin-B
Ast-C	Allatostatin-C
Crz	Corazonin
DTKR	Drosophila Tk receptor
JH	Juvenile hormone
CRH	Corticotropin-releasing hormone
DMS	Dromyosuppressin
AMP	Adenosine monophosphate
ATPase	Adenosine triphosphatase
ASD	Autism spectrum disorder
Aβ	Amyloid β
SCFAs	Short-chain fatty acid
APC	Adenomatous polyposis coli gene
CRISPRa	CRISPR transcriptional activation
CRISPRi	CRISPR interference
TAS1R	Taste receptor family 1
OLFR544	Olfactory receptor 544
FFAR	Free fatty acid receptor
GLP1	Glucagon-like peptide 1
PUFA	Polyunsaturated fatty acid
CCK	Cholecystokinin
GIP	Gastric inhibitory polypeptide