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▶Ep 11 · 3:55
Remarkably, when we treat these hypoplastic lungs with the amniotic fluid stem cell derived extracellular vesicles, we are able to restore these primary markers, as you can see in the green shaded area, thus indicating that cell homeostasis can be achieved.
One of the biggest challenges for babies with CDH is that fetal hypoplastic lungs are immature, whereby there is an impairment of cell differentiation, especially in the epithelium.
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▶Ep 11 · 1:13
clinicalCongenital diaphragmatic hernia is characterized by impaired fetal lung growth and maturation with unacceptably high mortality and morbidity rates.↗
▶Ep 11 · 1:13
quoteCongenital diaphragmatic hernia is characterized by impaired fetal lung growth and maturation. This condition has unacceptably high mortality and morbidity rates.↗
▶Ep 11 · 1:35
quoteOne of the biggest challenges for babies with CDH is that fetal hypoplastic lungs are immature, whereby there is an impairment of cell differentiation, especially in the epithelium.↗
▶Ep 11 · 1:35
clinicalOne of the biggest challenges for babies with CDH is that fetal hypoplastic lungs are immature with impairment of cell differentiation, especially in the epithelium.↗
▶Ep 11 · 1:50
clinicalExtracellular vesicles (EVs) are the main mediators of stem cell paracrine signaling.↗
▶Ep 11 · 2:05
clinicalAmniotic fluid stem cell derived EVs can rescue fetal lung growth and maturation in several models of CDH at the pseudoglandular stage, which corresponds to 7 to 16 weeks of human gestation.↗
▶Ep 11 · 2:35
clinicalCDH is diagnosed around 18 to 20 weeks gestation.↗
▶Ep 11 · 2:50
clinicalThe nitrophin model is a well-established model for studying CDH, created by administering the herbicide nitrophin to pregnant rat dams at embryonic day 9.5.↗
▶Ep 11 · 3:30
clinicalHypoplastic lungs at canalicular and saccular stages show down-regulation of alveolar type 1 and 2 cells, as well as basal and club cells compared to control.↗
▶Ep 11 · 3:55
quoteRemarkably, when we treat these hypoplastic lungs with the amniotic fluid stem cell derived extracellular vesicles, we are able to restore these primary markers, as you can see in the green shaded area, thus indicating that cell homeostasis can be achieved.↗
▶Ep 11 · 3:55
clinicalTreatment of hypoplastic lungs with amniotic fluid stem cell derived extracellular vesicles restores primary markers of alveolar type 1 and 2 cells, basal cells, and club cells, indicating that cell homeostasis can be achieved.↗
▶Ep 11 · 5:26
clinicalIn vivo experiments have been performed in a rat model using different administration routes including intraamniotic and tracheal, with promising results.↗
▶Ep 11 · 6:20
clinicalThere is active collaboration with Dr. Jan De Prest to investigate the safety and feasibility of EV treatment in a lab model.↗
▶Ep 11 · 7:17
clinicalCiliated cells did not show a difference with EV treatment, potentially due to an imbalance of different cell types in the hypoplastic fetal lung creating a different homeostatic cell composition.↗
▶Ep 11 · 7:40
clinicalKey markers expressed in branching morphogenesis are being rescued effectively by EV treatment, suggesting the importance is the greater cell homeostatic balance rather than any specific cell type.↗