circRNA basic information
circBase ID: hsa_circ_0003076
Name: hsa_circ_PAPPA
Synonym: circPAPPA-814nt
Host Gene: PAPPA
Genomic location(hg19): chr9:118982215-118997916:+
Genomic location(hg38): chr9:116219936-116235637:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0006774
MONDO name: habitual spontaneous abortion
Disease details: spontaneous abortion
Disease DO ID:
-
Disease MeSH ID:
D000026
Disease NCIt ID:
-
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

chorionic villi; mature placental samples; villus tissues

Cell lines:

JAR; 293 T

In vivo animal model:

-

circRNA-disease information
Expression pattern:
DN
Associated gene: PAPPA protein
Associated microRNA: -
Biological function: promotes trophoblast proliferation in vitro; influences trophoblast development
Molecular mechanism: circPAPPA binds PAPPA protein and promotes JAR cell growth by forming a circRNA-protein complex with PAPPA protein
Biological pathway or process:

proliferation (promotes)

Detected method:
Q
S
Validation methods:

Back-Splice Junction PCR / divergent primers PCR; RNase R Treatment; Sanger Sequencing; circRNA-seq; RT-qPCR; FISH / smFISH; IF (Immunofluorescence); Clinical Sample Validation; RIP (RNA Immunoprecipitation); RNA Pull-Down; Transfection; CCK8; Western Blot; Bioinformatics Analysis

Clinical significance:

potential predictive disease target or therapeutic target; targeting the circPAPPA-PAPPA interaction might be a novel therapeutic strategy for addressing spontaneous abortion

Description:

circPAPPA (hsa_circ_0003076), derived from the PAPPA gene, is down-regulated in villus tissues from spontaneous abortion. It promotes trophoblast/JAR cell proliferation in vitro by interacting with PAPPA protein and forming a circPAPPA-PAPPA circRNA-protein complex, suggesting potential therapeutic relevance in spontaneous abortion.

Confidence score:

0.8311

Other information
Title:

CircPAPPA binds to PAPPA and promotes trophoblast proliferation in spontaneous abortion through the formation of circPAPPA-PAPPA complexes.

Journal: Gene
Published: 2025
PubMed ID: 40318815
Study type:

combined biological and clinical study

Data availability: Data will be made available on request.
Code availability: -