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This narrative review discusses the challenges and special care needs of laryngectomy patients with tracheoesophageal bypass during the COVID-19 pandemic and reports no new clinical results.

This study found that melatonin treatment improved cashmere fiber quality and production in cashmere goats during the first growth cycle but had no effects in the subsequent cycle.

This study suggests that NAG-1 overexpression may prevent some metabolic dysfunctions linked to polycystic ovary syndrome in a mouse model.

This article reviews advances in hair transplant techniques such as megasessions of micro and mini grafts, highlighting platelet growth factors' potential to enhance hair density, without reporting new clinical findings.

This study found that carbon nanotube impurities induced immunological toxicity in mice, whereas purified nanotubes showed good biocompatibility, suggesting high-temperature thermal treatment may improve nanotube biocompatibility.

The study found that bioengineered hair follicles work when using cells from the same species but have issues when combining human and mouse cells.

This study reports that the autotaxin–LPA–LPA3 signaling pathway at the embryo-epithelial boundary plays a critical role in decidualization by up-regulating HB-EGF and COX-2 in the uterine epithelium.

This study introduced a bioengineered model that simulates acne's microenvironment in mice, enabling the exploration of host and P. acnes interactions and presenting a novel platform for anti-acne drug and vaccine screening.

This study reviews the causes, mechanisms, and treatments for thin endometrium, highlighting multiple contributing factors such as hormonal influences, long-term oral contraceptive use, and uterine inflammation, while noting unclear mechanisms in promising therapeutic strategies like pharmacological treatments and regenerative medicine approaches.

This review describes three mouse models using fluorescent proteins to image tumor angiogenesis in real-time, but reports no new clinical results.

This study found that transplanted microencapsulated dermal papilla cells in rat footpads can regenerate hair follicles and sebaceous gland structures, suggesting a potential substitute for fresh dermal papillae cells.

This study describes the stages of hair follicle development and foetal pelage growth in southern elephant seals, highlighting the formation and shedding processes of the first and subsequent hair generations.

This study found that longitudinal partial follicular unit transplantation may be an effective method for regenerating hair follicles and achieving satisfactory cosmetic outcomes in patients with facial and scalp burns, while preserving the donor area.

This review discusses the roles of fibroblasts in foreign body response and highlights the need for further research on their specific functions to improve antifibrotic and regenerative therapies.

This article discusses various issues and controversies in hair transplantation, including ethical considerations, the debate between follicular unit transplantation and excision, the concept of a safe donor area, the use of platelet-rich plasma, and the minimum qualifications needed for practitioners.

This study evaluated the effectiveness of follicular units and growth factors derived from autologous platelet-rich plasma in improving hair growth and density in 23 male patients with pattern hair loss.

This study observed that direct hair transplantation, as a modification of follicular unit extraction, was effective in improving baldness in the majority of treated male patients.

This study suggests that 3D spheroid cultivation of dermal papilla cells can restore their hair-inductive capabilities, which are lost in 2D-cultured cells.

This study found that intrauterine administration of botulinum toxin A improved endometrial environment and receptivity in a murine model of thin endometrium through mechanisms involving IGFBP3 and osteopontin.

This study found that thymus transplantation in athymic mice resulted in T-cell-driven hair follicle depigmentation and loss, without multiorgan autoimmune disease, highlighting mechanisms of tissue-specific tolerance.

In this study, co-administering adipose-derived stem cells with platelet-rich plasma reduced radiation therapy-induced skin and hair follicle damage in mice, suggesting potential for clinical application.

This article reviews the immunometabolic mechanisms linking polycystic ovary syndrome to infertility and stresses the need for interdisciplinary approaches to treat PCOS-related fertility issues; it reports no new clinical results.

This review discusses the evolution of follicular unit extraction techniques for hair transplant, highlighting various devices and methods but reports no clinical results; it emphasizes advancements in tools and techniques over the years.

In animal studies, this research found that minoxidil-loaded air-pocket microneedles improved hair loss treatment efficiency compared to topical application, while effectively sealing punctured skin openings.

This study reports that a new multi-slit knife for hair transplant procedures reduces surgical time and increases precision by enabling quick creation of equidistant "brick-pattern" sagittal slits.

This study concluded that a regimen of transdermal estradiol and oral medroxyprogesterone acetate effectively reduces hirsutism while minimizing side effects in women with polycystic ovary syndrome.

This study describes a new tissue culture method that successfully induces outer root sheath cells from hair follicles to differentiate into a multilayered epithelium with characteristics similar to normal interfollicular epidermis.

This study suggests that supplementing with a cell-free fat extract might enhance embryo development and improve clinical outcomes in older women experiencing in vitro fertilization failure.

This article reviews the protective and regenerative mechanisms of nerve fibers and Schwann cells after injury but reports no new findings.

This study found that hair growth was maintained in alopecic sites using scalp autografts with triamcinolone acetonide, but homografts were typically rejected.