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This review summarizes existing reports on placenta extract for treating liver injury and discusses its mechanisms but provides no new clinical results.

This study concluded that placental mesenchymal stem cells from aborted fetal tissue may serve as an in vitro model for studying spontaneous abortion mechanisms and potential regenerative therapies due to their abnormal gene expression and differentiation capabilities.

This review discusses the hypothesis that polycystic ovary syndrome may originate in fetal life due to prenatal androgen exposure, but reports no new clinical results.

This review discusses current advancements in mesenchymal stem cell-based therapies for skin repair and rejuvenation, focusing on therapeutic strategies, particularly highlighting the potential of neonatal and placenta-derived MSCs, and reports no new clinical results.

This article reviews human placenta hydrolysates and their complex molecular mechanisms in treating various conditions but does not present new clinical findings.

In this phase I/II clinical trial, placenta-derived mesenchymal stem cell exosome therapy significantly improved hair density and diameter, and reduced hair loss in patients with androgenetic alopecia, though further large-scale studies are needed to confirm these results and investigate the underlying molecular mechanisms.

This study suggests that in rats, maternal hyperandrogenism and insulin resistance lead to activation of ferroptosis in the gravid uterus and placenta, mediated by different molecular and cellular mechanisms.

This study suggests that maternal hyperandrogenism and insulin resistance may induce ferroptosis in the gravid uterus and placenta in rats, but through distinct molecular mechanisms.

This study explored the structure and keratin composition of marsupial hairs, finding similarities in keratin localization to hairs in placental mammals, and highlighting potential roles of trichohyalin and transglutaminase during hair development and shedding.

This mouse study found that offspring of parents with uveitis showed increased susceptibility to experimental autoimmune uveitis, potentially due to altered immune and cellular processes.

This study found that cow placenta extract increased hair follicle size and hair length in mice but was less effective than minoxidil, suggesting potential with further refinement.

This review discusses peptide "biogenic stimulants" from human placenta extracts, highlighting their potential wide-ranging clinical applications across multiple diseases, and reports no new clinical results.

This study found dependencies between genetic variants and various phenotypes related to fetal and early childhood growth and neurological development in healthy infants, suggesting significant gene candidates for further investigation.

This study suggests that the epidermis of monotremes and marsupials exhibits a more primitive pattern of protein distribution compared to eutherian mammals, with differences in loricrin distribution and keratinocyte maturation.

This article compares the immunology of cancer and the placenta and suggests that immunotherapy for pregnant cancer patients could be feasible with careful exploration, though no new clinical results are reported.

This paper discusses X-linked ichthyosis and its genetic causes, focusing on biochemical pathways and their role in epidermal differentiation and barrier function, but it presents no new clinical findings.

This study identified the placenta at the base of the ovary as the origin of poplar seed hair development and detailed transcriptome dynamics during the growth process.

This study suggests that a purified sphingolipid fraction can activate melanocyte stem cells via p38 signalling, potentially offering a non-UV-based treatment for vitiligo, though additional validation is needed.

This study found that a combination of vitamins in hair care products promoted hair shaft elongation in a mouse model by activating the PlGF/VEGFR-1 signaling pathway.

This systematic review suggests that human placental extracts may offer therapeutic benefits for non-communicable diseases such as liver pathologies and metabolic disorders, but larger trials are needed to confirm efficacy and understand molecular pathways.

This review discusses advancements in regenerative medicine for hair loss treatments, highlighting stem cell techniques for rejuvenating or creating hair follicles, but provides no new clinical results.

In this study involving mice, the researchers observed that circadian rhythm disorder can pass alopecia risk to male offspring, and parental Pu-erh tea consumption, particularly by females or both parents, mitigated this risk through various biological mechanisms.

This review discusses the potential of adipose-derived stem cell extracellular vesicles (ADSC-EVs) in skin regeneration, highlighting mechanisms like inflammation and angiogenesis, but reports no new clinical results; challenges and future prospects are also considered.

The document concludes that the exact way alcohol causes harm to fetal development is unknown, but it significantly affects nutrient transport to the fetus and a safe level of alcohol during pregnancy is not determined.

This study suggests that IGF-1, a component of human placenta hydrolysate, promotes hair growth by increasing the number and size of hair follicles in mice.

This review summarizes proposed pathophysiological mechanisms of postpartum depression, highlighting neuroendocrine and neurobiological changes, but reports no new findings and calls for integrated understanding of the disorder.

This review examines rodent models to explore how maternal conditions like undernutrition, obesity, hypoxia, and androgen exposure affect fetal programming and metabolic outcomes in offspring, but presents no new clinical findings.

This study found that PRL-1-overexpressing PD-MSCs reduced adipogenesis in orbital fibroblasts from Graves' ophthalmopathy patients by secreting IGFBPs and modulating the FAK pathway.

This review outlines the biological effects of various placental extracts, noting their reported antioxidant, anti-inflammatory, and immunomodulatory activities, but highlights that the relationship between these effects and the extracts' specific contents remains unclear.

This study found that mesotherapy with placenta polypeptide injection significantly reduced skin inflammation and improved aesthetic outcomes in adults with moderate-to-severe sensitive skin, without increasing adverse events compared to controls.