Evidence map›Paper›PMID 42886446›Full record

ArticleMolecular and cellular biochemistry2026

ROCK2 regulates a stress-responsive transcriptional state and calcium signaling in renal cell carcinoma.

Zhengdong Hong, Qian Yang, Xiaofang Wei, Cunlong Zhu, Yiqian Wang, Tengfei Hu

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Article in Molecular and cellular biochemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Zhengdong HongDepartment of Urology, The Second Affiliated Hospital, Nanchang University, Nanchang, China.
Qian YangGMU-GIBH Joint School of Life Sciences, Guangdong Provincial Key Laboratory of Protein Modification and Disease, The Guangdong-Hong Kong-Macao Joint Laboratory for Cell Fate Regulation and Diseases, Guangzhou Medical University, Guangzhou, China.
Xiaofang WeiGMU-GIBH Joint School of Life Sciences, Guangdong Provincial Key Laboratory of Protein Modification and Disease, The Guangdong-Hong Kong-Macao Joint Laboratory for Cell Fate Regulation and Diseases, Guangzhou Medical University, Guangzhou, China.
Cunlong ZhuDepartment of Urology, The Second Affiliated Hospital, Nanchang University, Nanchang, China.
Yiqian WangGMU-GIBH Joint School of Life Sciences, Guangdong Provincial Key Laboratory of Protein Modification and Disease, The Guangdong-Hong Kong-Macao Joint Laboratory for Cell Fate Regulation and Diseases, Guangzhou Medical University, Guangzhou, China. yiqian.wang@gzhmu.edu.cn.ORCID https://orcid.org/0000-0001-5369-6636
Tengfei HuDepartment of Urology, The Second Affiliated Hospital, Nanchang University, Nanchang, China. aoxiangchangkongde@163.com.

Funding

National Natural Science Foundation of China 82200186
6 · The paper itself

Abstract

Renal cell carcinoma (RCC) exhibits marked intratumoral heterogeneity that contributes to disease progression and therapeutic resistance. Although ROCK2 has been implicated in RCC progression, its role in regulating tumor cell heterogeneity and cell-state plasticity remains poorly understood. Using single-cell RNA sequencing, we identified a ROCK2-associated stress-responsive transcriptional state characterized by inflammatory signaling and enhanced calcium pathway activity. ROCK2 knockdown was associated with a lower representation of this transcriptional state together with proliferative tumor cells, and integration with the TCGA-KIRC cohort supported the presence of this stress-associated transcriptional program in bulk RCC tumors. Mechanistically, ROCK2 depletion reduced intracellular calcium levels, suppressed CALM1 and CREB1 expression, promoted apoptosis, and impaired cell-cycle progression and proliferation. Pharmacological restoration of calcium signaling with Bay K8644, together with CALM1 or CREB1 overexpression, partially rescued these defects, supporting functional interactions among ROCK2, calcium signaling, CALM1, and CREB1. Collectively, our findings identify a ROCK2-associated stress-responsive transcriptional state linked to altered calcium signaling and provide new mechanistic insight into RCC cellular heterogeneity, highlighting the functional relationship between ROCK2 and calcium signaling as a potential therapeutic vulnerability in RCC.

Indexed as

Calcium signalingRenal cell carcinomaROCK2Single-cell RNA sequencingStress-responsive transcriptional state

Identifiers

PMID42886446

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