Exosomal miR-125b-5p derived from cancer-associated fibroblasts promotes the growth, migration, and invasion of pancreatic cancer cells by decreasing adenomatous polyposis coli (APC) expression DOI Open Access
Yuting Guo,

Haiyang Li,

Chengyi Sun

et al.

Journal of Gastrointestinal Oncology, Journal Year: 2023, Volume and Issue: 14(2), P. 1064 - 1076

Published: April 1, 2023

A significant desmoplastic response, particularly in the fibroblasts, is a characteristic of pancreatic ductal adenocarcinoma (PDAC). Increasing evidence has shown that cancer-associated fibroblasts (CAFs) assist tumor development, invasion, and metastasis PDAC. However, CAFs-derived molecular determinants regulate mechanisms PDAC have not been fully characterized.The expression microRNA 125b-5p (miR-125b-5p) Pancreas Cancer (PC) tissue para-cancerous normal was examined using Polymerase Chain Reaction (PCR). Cell counting kit-8 (CCK8), wound healing, transwell experiments were utilized to assess effect miR-125b-5p. Using cell luciferase activity test bioinformatics, it demonstrated miR-125b-5p may bind 3'-untranslated region (3'-UTR) adenomatous polyposis coli (APC), thereby limiting progression cancer.PDAC cells are prompted proliferate, undergo epithelial-mesenchymal transition (EMT), spread. Importantly, CAFs release exosomes into cells, which significantly increase level those cells. Meanwhile, cancer lines tissues considerably higher expression. MiR-125b-5p's elevated mechanically suppresses APC accelerates spread cancer.Exosomes released by promote growth, metastasis. Exosomal inhibition offers an alternate strategy for combating basic malady

Language: Английский

Crosstalk between the circadian clock, intestinal stem cell niche, and epithelial cell fate decision DOI Creative Commons
Ji Liu,

Zhihui Jiang,

Juanmin Zha

et al.

Genes & Diseases, Journal Year: 2025, Volume and Issue: unknown, P. 101650 - 101650

Published: April 1, 2025

Language: Английский

Citations

0

Tissue mechanics in tumor heterogeneity and aggression DOI Creative Commons
Anna‐Marie Finger, Audrey M. Hendley, Diego Figueroa

et al.

Trends in cancer, Journal Year: 2025, Volume and Issue: unknown

Published: April 1, 2025

Tumorigenesis ensues within a heterogeneous tissue microenvironment that promotes malignant transformation, metastasis and treatment resistance. A major feature of the tumor is population cancer-associated fibroblasts myeloid cells stiffen extracellular matrix. The heterogeneously stiffened matrix in turn activates cellular mechanotransduction creates hypoxic metabolically hostile microenvironment. elevated mechanosignaling also drive aggression by fostering cell growth, survival, invasion, compromising antitumor immunity, expanding cancer stem frequency, increasing mutational burden, which promote intratumor heterogeneity. Delineating molecular mechanisms whereby mechanics regulate these phenotypes should help to clarify basis for heterogeneity identify novel therapeutic targets could improve patient outcome. Here, we discuss role driving through its impact on

Language: Английский

Citations

0

Genetic disruption of the circadian gene Bmal1 in the intestinal epithelium reduces colonic inflammation DOI Creative Commons

Shan Hua,

Ze Zhang, Zhe Zhang

et al.

EMBO Reports, Journal Year: 2025, Volume and Issue: unknown

Published: April 30, 2025

Disruption of the circadian clock is associated with development inflammatory bowel disease (IBD), but underlying mechanisms remain unclear. Here, we observe that mice in early active phase (Zeitgeber time 12, ZT12) are more tolerant to dextran sodium sulfate (DSS)-induced colitis, compared those resting (ZT0). The expression gene Bmal1 peaks and declines phase. knockout intestinal epithelium reduces DSS-induced symptoms. Mechanistically, BMAL1 promotes apoptosis by binding apoptosis-related genes, including Bax, p53, Bak1, their expression. Intriguingly, apoptotic rhythms homeostatic epithelium, while deletion cell apoptosis. Consistently, reducing REV-ERBα agonist SR9009 has best therapeutic efficacy against colitis at ZT0. Collectively, our data demonstrate Bmal1-centered involved injury repair.

Language: Английский

Citations

0

How and Why the Circadian Clock Regulates Proliferation of Adult Epithelial Stem Cells DOI Creative Commons
Bogi Andersen, Junyan Duan, Satya Swaroop Karri

et al.

Stem Cells, Journal Year: 2023, Volume and Issue: 41(4), P. 319 - 327

Published: Feb. 6, 2023

Abstract First described in the early 20th century, diurnal oscillations stem cell proliferation exist multiple internal epithelia, including gastrointestinal tract, and epidermis. In mouse epidermis, 3- to 4-fold more cells are S-phase during night than day. More recent work showed that an intact circadian clock intrinsic keratinocytes is required for these epidermal proliferation. The also regulates DNA excision repair damage response ultraviolet B radiation. During skin inflammation, increased suspended. Here we discuss possible reasons evolution of this phenomenon. We argue coordinates intermediary metabolism cycle minimize accumulation from metabolism-generated reactive oxygen species. Circadian disruption, common modern society, leads asynchrony between cycle, speculate will lead oxidative damage, dysfunction cells, aging.

Language: Английский

Citations

10

Exosomal miR-125b-5p derived from cancer-associated fibroblasts promotes the growth, migration, and invasion of pancreatic cancer cells by decreasing adenomatous polyposis coli (APC) expression DOI Open Access
Yuting Guo,

Haiyang Li,

Chengyi Sun

et al.

Journal of Gastrointestinal Oncology, Journal Year: 2023, Volume and Issue: 14(2), P. 1064 - 1076

Published: April 1, 2023

A significant desmoplastic response, particularly in the fibroblasts, is a characteristic of pancreatic ductal adenocarcinoma (PDAC). Increasing evidence has shown that cancer-associated fibroblasts (CAFs) assist tumor development, invasion, and metastasis PDAC. However, CAFs-derived molecular determinants regulate mechanisms PDAC have not been fully characterized.The expression microRNA 125b-5p (miR-125b-5p) Pancreas Cancer (PC) tissue para-cancerous normal was examined using Polymerase Chain Reaction (PCR). Cell counting kit-8 (CCK8), wound healing, transwell experiments were utilized to assess effect miR-125b-5p. Using cell luciferase activity test bioinformatics, it demonstrated miR-125b-5p may bind 3'-untranslated region (3'-UTR) adenomatous polyposis coli (APC), thereby limiting progression cancer.PDAC cells are prompted proliferate, undergo epithelial-mesenchymal transition (EMT), spread. Importantly, CAFs release exosomes into cells, which significantly increase level those cells. Meanwhile, cancer lines tissues considerably higher expression. MiR-125b-5p's elevated mechanically suppresses APC accelerates spread cancer.Exosomes released by promote growth, metastasis. Exosomal inhibition offers an alternate strategy for combating basic malady

Language: Английский

Citations

10