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This article reviews the development and use of induced pluripotent stem cell models and artificial organoids for studying neurodevelopmental disorders, but it reports no new clinical findings.

This review discusses recent findings on the plasticity and regulation of epithelial stem cells and reports no new experimental results.

This review describes recent advances in regenerating functional 3D organs from stem cells, particularly ectodermal organs, but reports no new clinical findings and highlights future research directions for organ replacement therapy.

This review discusses methods for evaluating hair growth-promoting effects of candidate substances for androgenetic alopecia, focusing on cell assays, organ cultures, and animal models, and reports no new results.

This study identified Saponin Re and Emodin as top candidates for treating androgenetic alopecia, suggesting future research in dermal papilla cell cultures and scalp organoids despite safety concerns.

This study reviews advancements in hair follicle regeneration, discussing the benefits and limitations of methods such as organ germ assembling, stem cell induction, and bioprinting, while highlighting the challenges of replicating embryonic signals and finding suitable cell sources for clinical applications.

This study found that hyaluronic acid increased the size of hair follicle germ-like aggregates and the number of proliferative cells but did not maintain specific markers during the process.

Using mouse hair follicle organoids, this study demonstrated that BMP4 plays a key role in controlling hair follicle coloration and growth, as well as directing Nestin-positive stem cells towards becoming melanocytes, the pigment-producing cells responsible for hair color.

This study concluded that MEX3A is critical for maintaining Lgr5+ intestinal stem cells by regulating the PPARγ pathway, impacting intestinal homeostasis during postnatal development in mice.

This study found that mammary resident macrophages play a key role in mammary tissue development by influencing cell division and maintaining mammary stem cell activity through the TNF-α-Cdk1/Cyclin B1 signaling pathway, highlighting their importance in the mammary stem cell niche.

This study found that mammary resident macrophages regulate mammary epithelium cell division and development, with implications for maintaining mammary stem cell activity and homeostasis.

This study found that biallelic mutations in the TTC7A gene affect lymphocyte and gut epithelial cell function, thereby contributing to the development of inflammatory bowel disease in patients.

This study identified Lgr5 and Lgr6 as receptors expressed by small populations of stem cells in various adult organs, with Lgr5+ve cells forming long-lived organoids in certain mouse models.

In this study, mouse models of 22q11.2 deletion syndrome showed that growth issues in small embryonic thymuses were linked to mesenchymal cells, which could be corrected by substituting with normal mesenchyme.

In this review, researchers highlighted the pivotal role of the epicardium in heart regeneration and repair, particularly through its cellular programs and signaling during myocardial infarction, though they noted challenges in replicating these processes in nonregenerative mammals, suggesting pathways for innovative cardiovascular therapies.

This review highlights recent advancements in microfluidics for 3D tissue model generation and discusses its applications in tissue engineering and high-throughput drug screening without reporting new experimental results.

This study presents a new mouse model for investigating chronic graft-versus-host disease, highlighting the role of human thymic tissue in developing multiorgan fibrosis driven by human immune cells.

This study integrated single-cell RNA-seq data from four previous studies to create a comprehensive human corneal cell state meta-atlas, revealing novel marker genes, rare cell states, and distinct transcription factors, and offering a tool to enhance future cornea research.

This review discusses various therapeutic strategies targeting platelet-derived growth factor signaling in diseases like cancer and atherosclerosis, and evaluates existing treatments without presenting new clinical data.

This paper discusses the multipotency of cyst cells and proposes that understanding molecular circuits in cyst formation could enable engineering of desired stem cell culture phenotypes, but reports no new experimental outcomes.

This review discusses the current state of research on skin organoids, highlighting their potential for replicating complex skin structures and comparing recent studies on stem cell microenvironments.

This study demonstrated that stem cells from the small intestine can differentiate into skin cells and reduce skin damage in irradiated mice, supporting the theory of stem cell plasticity.

This review outlines the potential of using human pluripotent stem cells for hair follicle bioengineering, detailing current HF morphogenesis and cycling knowledge, various cell sources, and strategies using iPSCs, while discussing the challenges and prospects for therapeutic use in addressing hair loss.

This case report details the first pediatric occurrence of naevus trichilemmocysticus, a newly defined type of organoid naevus.

This study found that Smad7 perturbs hair follicle development while promoting sebaceous gland formation by antagonizing Wnt/β-catenin signaling in transgenic mice.

This study suggests that an in ovo injection of CHIR-99021 promoted feather growth and follicle development in goose embryos by activating the Wnt signaling pathway.

This review discusses the advancements in intraoperative stem cell therapies and highlights their potential to improve hair regrowth, but it reports no new clinical results.

This study found that newborn mouse skin organoids can robustly grow hair in vivo, while adult organoids require specific interventions to restore their hair-forming ability.

In this study, researchers developed a novel 3D bio-printed skin scaffold using exosomes from liver cells, which enhanced wound healing by promoting cell growth, angiogenesis, and reducing inflammation in large skin injuries, suggesting potential applications in treating chronic skin conditions.

This study found that red ginseng oil may enhance hair growth and protect skin from UV damage in mouse models by promoting regenerative processes and reducing inflammation.