Development of a Bmi1+ Cardiac Mouse Progenitor Immortalized Model to Unravel the Relationship with Its Protective Vascular Endothelial Niche DOI Open Access
Guillermo Albericio,

Marina Higuera,

Paula Araque

и другие.

International Journal of Molecular Sciences, Год журнала: 2024, Номер 25(16), С. 8815 - 8815

Опубликована: Авг. 13, 2024

The adult mammalian heart has been demonstrated to be endowed with low but real turnover capacity, especially for cardiomyocytes, the key functional cell type. source, however, of that capacity remains controversial. In this regard, we have defined and characterized a resident multipotent cardiac mouse progenitor population, Bmi1+DR (for Bmi1+ Damage-Responsive cells). is one types lowest ROS (Reactive Oxygen Species) levels in heart, being particularly by their close relationship vessels, most probably involved regulation proliferation/maintenance Bmi1+DR. This was proposed work as endothelial niche. Due scarcity cells generated an immortalization/dis-immortalization model using Simian Vacuolating Virus 40-Large Antigen T (SV40-T) facilitate vitro characterization. We obtained heterogeneous population immortalized (Bmi1+DRIMM) validated attending different criteria, also showing comparable sensitivity strong oxidative damage. Then, concluded Bmi1-DRIMM appropriate primary studies. co-culture Bmi1+DRIMM protects them against damage, moderate depletion non-canonical autophagy contributing modest metabolic regulation.

Язык: Английский

Standardization and quality assessment for human intestinal organoids DOI Creative Commons
Hana Lee,

Seunghye Yang,

Kyung Jin Lee

и другие.

Frontiers in Cell and Developmental Biology, Год журнала: 2024, Номер 12

Опубликована: Сен. 12, 2024

To enhance the practical application of intestinal organoids, it is imperative to establish standardized guidelines. This proposed standardization outlines a comprehensive framework ensure consistency and reliability in development, characterization, organoids. The recommended guidelines encompass crucial parameters, including culture conditions, critical quality attributes, control measures, functional assessments, aimed at fostering approach across diverse research initiatives. implementation these anticipated significantly contribute reproducibility comparability results burgeoning field organoid research.

Язык: Английский

Процитировано

2

Synthetic soldiers: Turning T cells into immortal warriors DOI Open Access
Nicholas P. Restifo, Luca Gattinoni

The Journal of Experimental Medicine, Год журнала: 2024, Номер 221(5)

Опубликована: Апрель 18, 2024

The creation of synthetic T cell states has captivated the field cell-based therapies. Wang et al. (https://doi.org/10.1084/jem.20232368) describe how disruption BCOR and ZC3H12A unleashes anti-tumor cells with unprecedented lifespan killer instinct. Are we witnessing birth immortal super-soldiers in medicine?

Язык: Английский

Процитировано

1

The transmembrane protein Syndecan regulates stem cell nuclear properties and cell maintenance DOI Creative Commons
Buffy L. Eldridge-Thomas, Jérôme Bohère, Chantal Roubinet

и другие.

bioRxiv (Cold Spring Harbor Laboratory), Год журнала: 2024, Номер unknown

Опубликована: Фев. 15, 2024

Abstract Tissue maintenance is underpinned by resident stem cells whose activity modulated microenvironmental cues. Using Drosophila as a simple model to identify regulators of cell behaviour and survival in vivo , we have identified novel connections between the conserved transmembrane proteoglycan Syndecan, nuclear properties function. In midgut, Syndecan depletion intestinal results their loss from tissue, impairing tissue renewal. At cellular level, alters shape, causes lamina invaginations DNA damage. second developing brain, live imaging revealed that neural envelope remodelling defects which arise upon division. Our findings reveal new role for diverse types. Graphical

Язык: Английский

Процитировано

0

Exosomes derived from hTERT-immortalized cells delay cellular senescence of human fibroblasts DOI Creative Commons
Yang Liu,

Zhaoying Sheng,

Linlin Sun

и другие.

Experimental Gerontology, Год журнала: 2024, Номер 194, С. 112508 - 112508

Опубликована: Июль 9, 2024

hTERT gene therapies hold significant promise for treating age-related diseases. However, further research is required to address the challenges of delivery and ethical considerations. We hypothesized that exosomes derived from hTERT-immortalized cells could function similarly by maintaining telomere length attenuating cellular senescence biomarkers. In this study, we overexpressed in Human Foreskin Fibroblast-1 (HFF cells) produce HFF (hT-HFF cells). then used these hT-HFF treat human fibroblasts, cells. Our results demonstrated effectively attenuated biomarkers Furthermore, analysis revealed mRNA was indeed packaged into This capable elongating telomeres delaying Therefore, show potential as a treatment

Язык: Английский

Процитировано

0

Development of a Bmi1+ Cardiac Mouse Progenitor Immortalized Model to Unravel the Relationship with Its Protective Vascular Endothelial Niche DOI Open Access
Guillermo Albericio,

Marina Higuera,

Paula Araque

и другие.

International Journal of Molecular Sciences, Год журнала: 2024, Номер 25(16), С. 8815 - 8815

Опубликована: Авг. 13, 2024

The adult mammalian heart has been demonstrated to be endowed with low but real turnover capacity, especially for cardiomyocytes, the key functional cell type. source, however, of that capacity remains controversial. In this regard, we have defined and characterized a resident multipotent cardiac mouse progenitor population, Bmi1+DR (for Bmi1+ Damage-Responsive cells). is one types lowest ROS (Reactive Oxygen Species) levels in heart, being particularly by their close relationship vessels, most probably involved regulation proliferation/maintenance Bmi1+DR. This was proposed work as endothelial niche. Due scarcity cells generated an immortalization/dis-immortalization model using Simian Vacuolating Virus 40-Large Antigen T (SV40-T) facilitate vitro characterization. We obtained heterogeneous population immortalized (Bmi1+DRIMM) validated attending different criteria, also showing comparable sensitivity strong oxidative damage. Then, concluded Bmi1-DRIMM appropriate primary studies. co-culture Bmi1+DRIMM protects them against damage, moderate depletion non-canonical autophagy contributing modest metabolic regulation.

Язык: Английский

Процитировано

0