CSN6-SPOP-HMGCS1 Axis Promotes Hepatocellular Carcinoma Progression via YAP1 Activation

© 2024 The Authors. Advanced Science published by Wiley‐VCH GmbH..

Cholesterol metabolism has important roles in maintaining membrane integrity and countering the development of diseases such as obesity and cancers. Cancer cells sustain cholesterol biogenesis for their proliferation and microenvironment reprograming even when sterols are abundant. However, efficacy of targeting cholesterol metabolism for cancer treatment is always compromised. Here it is shown that CSN6 is elevated in HCC and is a positive regulator of hydroxymethylglutaryl-CoA synthase 1 (HMGCS1) of mevalonate (MVA) pathway to promote tumorigenesis. Mechanistically, CSN6 antagonizes speckle-type POZ protein (SPOP) ubiquitin ligase to stabilize HMGCS1, which in turn activates YAP1 to promote tumor growth. In orthotopic liver cancer models, targeting CSN6 and HMGCS1 hinders tumor growth in both normal and high fat diet. Significantly, HMGCS1 depletion improves YAP inhibitor efficacy in patient derived xenograft models. The results identify a CSN6-HMGCS1-YAP1 axis mediating tumor outgrowth in HCC and propose a therapeutic strategy of targeting non-alcoholic fatty liver diseases- associated HCC.

Medienart:

E-Artikel

Erscheinungsjahr:

2024

Erschienen:

2024

Enthalten in:

Zur Gesamtaufnahme - volume:11

Enthalten in:

Advanced science (Weinheim, Baden-Wurttemberg, Germany) - 11(2024), 14 vom: 24. Apr., Seite e2306827

Sprache:

Englisch

Beteiligte Personen:

Li, Kai [VerfasserIn]
Zhang, Jiayu [VerfasserIn]
Lyu, Haiwen [VerfasserIn]
Yang, Jinneng [VerfasserIn]
Wei, Wenxia [VerfasserIn]
Wang, Yuzhi [VerfasserIn]
Luo, Haidan [VerfasserIn]
Zhang, Yijing [VerfasserIn]
Jiang, Xin [VerfasserIn]
Yi, Hairong [VerfasserIn]
Wang, Mengan [VerfasserIn]
Zhang, Caiyun [VerfasserIn]
Wu, Kang [VerfasserIn]
Xiao, Lishi [VerfasserIn]
Wen, Weijie [VerfasserIn]
Xu, Hui [VerfasserIn]
Li, Guolin [VerfasserIn]
Wan, Yunle [VerfasserIn]
Yang, Fang [VerfasserIn]
Yang, Runxiang [VerfasserIn]
Fu, Xinhui [VerfasserIn]
Qin, Baifu [VerfasserIn]
Zhou, Zhongguo [VerfasserIn]
Zhang, Haipeng [VerfasserIn]
Lee, Mong-Hong [VerfasserIn]

Links:

Volltext

Themen:

97C5T2UQ7J
Cholesterol
Cholesterol metabolism
EC 2.3.3.10
HFD
HMGCS1 protein, human
Hepatocellular carcinoma(HCC)
Hydroxymethylglutaryl-CoA Synthase
Journal Article
Nuclear Proteins
Repressor Proteins
SPOP protein, human
Ubiquitin
YAP-Signaling Proteins
YAP1
YAP1 protein, human

Anmerkungen:

Date Completed 11.04.2024

Date Revised 25.04.2024

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1002/advs.202306827

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM367975629