Jun 2026· Signal Transduction and Targeted Therapy· Vol 11· 1 citation· 468 references
Medicine
TL;DR
Advances in cardiac regeneration are highlighted by the transplantation of pluripotent stem cells, direct reprogramming, stimulation of endogenous adult cardiomyocyte proliferation, and noncell strategies, all of which aim to restore cardiac tissue integrity.
Abstract
The rise of biologics, including recombinant proteins, gene therapies, and cell therapies, is reshaping the landscape of modern therapeutics, offering new strategies to address previously “undruggable” targets. Cardiovascular diseases (CVDs), the leading cause of mortality worldwide, remain inadequately managed by traditional therapies, but biologics offer a paradigm shift from symptom control to disease modification. This review provides a comprehensive analysis of biologics in cardiovascular medicine, focusing on five key biological processes: cardiac regeneration, cardiac reverse remodeling, genetic cardiomyopathy correction, vascular function modulation, and lipid metabolism modulation. Advances in cardiac regeneration are highlighted by the transplantation of pluripotent stem cells, direct reprogramming, stimulation of endogenous adult cardiomyocyte proliferation, and noncell strategies, all of which aim to restore cardiac tissue integrity. In reverse cardiac remodeling, therapies targeting key signaling pathways, metabolic processes, and contractility-enhancing agents offer promising new approaches for CVD management. The development of gene therapies targeting genetic cardiomyopathies, including gene replacement, genome editing, and gene silencing, is discussed. For vascular function modulation, therapies targeting angiotensinogen, natriuretic peptide receptor 1, and the gut microbiome have been explored as innovative approaches to regulate vascular tone and hemodynamics. Finally, lipid modulation therapies, including agents targeting proprotein convertase subtilisin/kexin type 9 (PCSK9) and atherogenic lipoproteins, have redefined the management of dyslipidemia and cardiovascular risk. Collectively, these advancements underscore the transformative potential of biologics to provide targeted, personalized, and disease-modifying treatments for CVD. By addressing both the pathophysiological roots and clinical manifestations of CVDs, biologics represent a promising frontier in cardiovascular medicine.
This review examines emerging mechanisms that govern kidney fibrogenesis, with emphasis on therapeutic tractability, and considers how experimental models can improve target prioritization and drug development, and summarizes repurposed drugs, pathway-targeted agents, receptor-directed strategies and cell-based approaches under preclinical or clinical evaluation.
Simple Summary Cardiovascular diseases are the leading cause of death worldwide, accounting for 19.2 million deaths in 2023. When a heart attack occurs, the affected cardiomyocytes die rapidly, and the adult heart replaces them at only about 1% per year, far too slowly to compensate for the loss following a large infarction. Current treatments stabilise patients but cannot rebuild lost muscle. Over the past two decades, clinical trials have tested stem cells from bone marrow, fat tissue, umbilical cord blood, and reprogrammed adult cells. These approaches are consistently safe. Some have produced modest improvements in cardiac function and scar reduction, but the transplanted cells rarely persist long enough to form new heart muscle. The benefit they confer appears to arise mainly from signalling particles they release called extracellular vesicles and exosomes, which carry microRNAs and proteins that reduce scarring, stimulate blood vessel growth, and dampen post-injury inflammation. This finding has opened a new research direction: engineering those particles directly, without transplanting cells at all. This review examines the full range of cell-based strategies studied to date, the clinical trial evidence, the barriers to progress, and what engineered vesicles, bioengineered tissue constructs, gene editing, and improved trial design might offer.
Advanced Therapy Medicinal Products — cell therapies, gene therapies, and tissue-engineered products — are beginning to deliver on the promise of curative medicine: CAR-T therapies double survival in chemotherapy-refractory lymphomas, gene therapies reverse the natural history of spinal muscular atrophy and hemoglobinopathies, and Pluripotent Stem Cell (PSC)-derived islet transplantation renders type 1 diabetic patients insulin-independent. Yet the trajectory from proof-of-concept to equitable, scalable deployment is consistently impeded not only by unresolved biology but also by engineering, manufacturing, logistical, regulatory, and economic bottlenecks that the bioengineering community has not engaged with at the required scale. In this Perspective, grounded in clinical experience across hematological malignancies, monogenic diseases, and metabolic disorders, we identify five rate-limiting bottlenecks where bioengineering intervention is urgently needed and uniquely tractable: scalable and adaptive biomanufacturing; real-time in-process quality control; precise targeted delivery; biomaterial and scaffold engineering for cellular engraftment and immune protection; and data-driven patient stratification constrained by health equity. We argue that the evolving regulatory landscape in Europe — including the European Biotech Act framework and ICH Quality by Design principles — creates structural incentives for engineering-led solutions, and that economic sustainability requires bioengineering to drive down production costs and enable the off-the-shelf transition. We call on the bioengineering community to engage with ATMP translation not as technical support to clinical medicine, but as a constitutive partner shaping its pace, cost, and equity.
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