$2 Million NIH Grant to Advance Understanding of Tissue and Organ Growth
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A team at the Department of Biomedical Engineering is poised to unlock new insights into how tissues and organs develop, thanks to a $2.17 million grant from the National Institutes of Health (NIH). Assistant Professor marisol Herrera-Perez received the Maximizing Investigators’ Research Award (MIRA) from the National Institute of General Medical Sciences (NIGMS) to investigate the crucial interplay between cells and the extracellular matrix (ECM). This research promises to illuminate the fundamental processes of development and possibly offer new avenues for treating developmental diseases and advancing regenerative medicine.
The Role of the Extracellular Matrix in Development
For years, research into cellular development has largely focused on the signals cells themselves generate – thru contraction, twitching, and othre internal mechanisms. Though, Herrera-Perez’s work highlights the critical, and frequently enough overlooked, role of the environment surrounding cells, notably the extracellular matrix. The ECM is a complex network of polymers secreted by cells that provides structural support and biochemical cues, essentially acting as a scaffold for tissue and organ formation. https://www.nigms.nih.gov/education/fact-sheets/extracellular-matrix
“Most of what we know about the mechanical signals for cellular development are those the cell produces itself,” Herrera-Perez explains. “But there are other forces that come from the environment and, perhaps most importantly, from the extracellular matrix.”
investigating Cell-ECM Interactions
Herrera-Perez and her team will focus on several key aspects of this interaction:
* Viscoelastic Properties: How the ECM’s ability to change shape and consistency (its viscoelasticity) influences development.
* Feedback Loops: The reciprocal dialog between cells and the ECM – how each influences the other.
* Cell-to-Cell Communication: How cells transmit signals to their neighboring cells within the ECM environment.
To conduct this research, the team will employ optogenetic techniques. This innovative approach allows them to precisely control protein activity within cells of Drosophila melanogaster (common fruit flies) using light, enabling observation of the resulting effects on development. Fruit flies are a powerful model organism in developmental biology due to their relatively simple genetics and rapid life cycle. https://www.fruitfly.org/
Implications for Disease and Regenerative Medicine
Understanding the fundamental principles governing embryonic development isn’t just an academic exercise. Herrera-Perez believes this research has meaningful implications for understanding and treating a range of diseases.
“Manny diseases that happen at the end of life or midlife are a recapitulation of processes gone wrong during development,” she notes. Conditions like cancer and impaired wound healing, for example, often involve the same developmental pathways but with errors in execution. https://www.cancer.gov/about-cancer/causes-prevention/genetics/developmental-origins-cancer
Furthermore, a deeper understanding of these processes could pave the way for advancements in regenerative medicine – the field focused on repairing or replacing damaged tissues and organs. By learning how life builds complex structures from the earliest stages,scientists can potentially develop strategies to guide tissue regeneration and repair in adults.
Key Takeaways:
* A $2.17 million NIH grant will fund research into the role of the extracellular matrix in tissue and organ development.
* The research will focus on the mechanical interactions between cells and the ECM,using optogenetic techniques in fruit flies.
* Understanding these fundamental processes could lead to new insights into developmental diseases and advancements in regenerative medicine.
This research represents a significant step forward in our understanding of the intricate processes that shape life, offering hope for future treatments and therapies. as Herrera-Perez and her team delve deeper into the mechanics of development, they are poised to shed light on the very foundations of biological form and function.