Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UNIPROT:P50583 (asymmetrical)
 12,197 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

WNT/planar cell polarity (PCP) signaling pathway controls tissue polarity and cell movement through the activation of RHOA, c-Jun N-terminal kinase (JNK), and nemo-like kinase (NLK) signaling cascades. PCP is induced in Drosophila by the asymmetrical localization of Frizzled-Dishevelled-Diego-Starry night (Flamingo) complex and Van Gogh (Strabismus)-Prickle complex. Here, WNT/PCP signaling pathway implicated in human carcinogenesis is reviewed. Human WNT5A, WNT5B, and WNT11 are representative non-canonical WNTs transducing PCP signals through FZD3 or FZD6 receptors, and ROR1, ROR2 or PTK7 co-receptors. Human VANGL1, VANGL2 (Van Gogh homologs), CELSR1, CELSR2, CELSR3 (Starry night homologs), DVL1, DVL2, DVL3 (Dishevelled homologs), PRICKLE1, PRICKLE2 (Prickle homologs), and ANKRD6 (Diego homolog) are core PCP signaling molecules. MAGI3 assembles FZD, VANGL, PTEN, and adhesion molecules. Dishevelled-dependent WNT/PCP signals are transduced to the RHOA signaling cascade through Formin homology proteins DAAM1 and DAAM2, and to the JNK signaling cascade through MAPKKKs and MAPKK4/7. Dishevelled-independent WNT/ PCP signals are transduced to the NLK signaling cascade through MAP3K7 (TAK1). ANKRD6, NKD1 and NKD2 induce class switch from the WNT/GSK3beta signaling pathway to the WNT/PCP signaling pathway. WNT5A is up-regulated in various types of human cancer, such as gastric cancer, lung cancer, and melanoma. FZD3/FZD6 receptor and ROR2 co-receptor transduce WNT5A signal in gastric cancer. Aberrant activation of WNT/PCP signaling pathway in human cancer leads to more malignant phenotypes, such as abnormal tissue polarity, invasion, and metastasis. cDNA-PCR, microarray or ELISA reflecting aberrant activation of WNT/PCP signaling pathway could be developed as novel cancer prognostics. Single nucleotide polymorphism (SNP) and copy number polymorphism (CNP) of WNT/PCP signaling molecules mentioned above are suitable for use in screening of cancer predisposition, especially for gastric cancer. Antibody, RNAi, or small molecule compounds to regulate the function of WNT/PCP signaling molecules mentioned above are good candidates for development as novel cancer therapeutics.
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PMID:WNT/PCP signaling pathway and human cancer (review). 1627 60

Primary microcephaly is a congenital neurodevelopmental disorder of reduced head circumference and brain volume, with fewer neurons in the cortex of the developing brain due to premature transition between symmetrical and asymmetrical cellular division of the neuronal stem cell layer during neurogenesis. We now show through linkage analysis and whole exome sequencing, that a dominant mutation in ALFY, encoding an autophagy scaffold protein, causes human primary microcephaly. We demonstrate the dominant effect of the mutation in drosophila: transgenic flies harboring the human mutant allele display small brain volume, recapitulating the disease phenotype. Moreover, eye-specific expression of human mutant ALFY causes rough eye phenotype. In molecular terms, we demonstrate that normally ALFY attenuates the canonical Wnt signaling pathway via autophagy-dependent removal specifically of aggregates of DVL3 and not of Dvl1 or Dvl2. Thus, autophagic attenuation of Wnt signaling through removal of Dvl3 aggregates by ALFY acts in determining human brain size.
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PMID:ALFY-Controlled DVL3 Autophagy Regulates Wnt Signaling, Determining Human Brain Size. 2700 44