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Updated: Jul 2, 2026

A Microfluidic Model of Biomimetically Breathing Pulmonary Acinar Airways
Published on: May 9, 2016
[An amphibian model for the study of evolutionary respiratory control]
1Servicio de Pediatría y Neonatología, Hospital Privado, Centro Formador, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba. ecuestas@hospitalprivadosa.com.ar
Insights
Premature newborns require intensive care for respiratory immaturity. Bullfrog brainstem models offer advantages for studying respiratory control development and modulation in vertebrates.
Area of Science:
- Neurobiology
- Developmental Biology
- Comparative Physiology
Context:
- Advances in perinatal care increase premature newborn survival.
- Premature infants often experience respiratory system immaturity, leading to instability and apnea.
- This necessitates sophisticated intensive care and prolonged hospitalization.
Purpose:
- To review recent advances in respiratory evolutionary neurobiology.
- To highlight the utility of in vitro bullfrog (Rana catesbeiana) brainstem preparations as a model system.
- To explore the ontogeny of respiratory control and episodic breathing.
Summary:
- The article reviews research on respiratory control development, focusing on episodic breathing.
- It discusses the technical advantages of using bullfrog brainstem preparations over traditional rodent models.
- The role of serotoninergic and GABAergic modulation in respiratory control during development is examined.
Impact:
- Provides insights into the fundamental principles of respiratory control across vertebrates.
- Offers a valuable comparative model for understanding developmental respiratory challenges.
- Informs potential therapeutic strategies for respiratory disorders in premature infants.
Abstract:
Recent perinal advances have made possible that premature newborns survive increasingtly in earlier developmental stages. This babies requires sophisticated and costly critical intensive care to address the problems associated with inmadurity of the respiratory system. In addition respiratory instability and apnea reflecting inmaturity of the respiratory control system are major causes of morbidity and prolonged hospitalization in this highly vulnerable group of patients. These concerns have contributed to the development of research in respiratoy evolutionary neurobiology. While the majority of researchers working in this field use rodents as an animal model, recent research using in vitro brainstem preparations from bullfrog (Rana catesbeiana) have reveled the technical advantages of this model to study the basic principles underlying respiratory control and its ontogeny between vertebrates. The present article review the recent advances in the area of research with special interest on episodic breathing and the role of serotoninergic and GABAergic modulation of respiratory control during development.
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