41 citations
,
January 2020 in “BioMed Research International” This study found that micrografts containing human hair follicle mesenchymal stem cells significantly increased hair count and density compared to placebo over 58 weeks in patients experiencing hair loss.
4 citations
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April 2022 in “Dermatologic Therapy” This study found that using autologous micrografts from scalp tissues significantly improved hair thickness and density in patients experiencing telogen effluvium following COVID-19, with notable improvements observed over a 6-month follow-up period.
2 citations
,
February 2024 in “STAR Protocols” In this research, an optimized protocol was developed for dissociating human scalp tissue to produce high-quality single-cell suspensions suitable for single-cell RNA sequencing, aimed at studying the transcriptomics of human hair follicles.
December 2023 in “Medicine” This study observed that platelet-rich gel for scalp defect reconstruction was more cost-effective and less painful but resulted in poorer hair growth compared to the external tissue expansion technique.
6 citations
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September 1995 in “The American Journal of Cosmetic Surgery” This study found that prolonged acute tissue expansion notably increased the amount of scalp tissue removed during scalp reduction surgery in three patients.
4 citations
,
November 2015 in “Aesthetic Plastic Surgery” Using tissue expanders for scalp reconstruction in patients with extensive Aplasia Cutis Congenita is effective and has minimal complications.
July 2024 in “International Journal of Dermatology Venereology and Leprosy Sciences” This study observed that techniques using autologous cellular micrografts to isolate hair follicle stem cells from scalp biopsies show promise in improving hair density and thickness for androgenetic alopecia, offering a minimally invasive and potentially more compliant alternative to existing treatments like finasteride and minoxidil.
October 2022 in “Hair Transplantation” This review discusses techniques for repairing large scalp defects, emphasizing the combination of older methods like scalp reduction and tissue expansion with modern hair restoration surgery to achieve satisfactory results, despite challenges like compromised scalp viability due to factors like trauma or radiation.
21 citations
,
August 1991 in “The Journal of Dermatologic Surgery and Oncology” This study found that intraoperative tissue expansion increased the amount of excised scalp by 20-30% during scalp reduction surgery for male pattern alopecia.
4 citations
,
September 2012 in “Journal of dermatological science” The hair follicle's connective tissue is a key source of a certain collagen in human scalp skin.
11 citations
,
August 2013 in “Facial Plastic Surgery Clinics of North America” This article discusses the use of tissue expansion combined with older surgical techniques to repair large scalp defects and reports no new clinical results.
October 2024 in “Plastic & Reconstructive Surgery Global Open” This study found that using overexpanded tissue expanders effectively restored the hairy scalp in 25 patients with scalp alopecia, resulting in high satisfaction and minimal complications, emphasizing the importance of careful patient selection and follow-up.
January 2026 in “International Society of Hair Restoration Surgery” In this case study, a 35-year-old male with severe burn-related scalp injuries underwent successful reconstruction through tissue expansion, skin grafts, and multiple hair transplant sessions, resulting in satisfactory aesthetic and functional recovery.
1 citations
,
October 2021 in “PubMed” This case report describes a 43-year-old woman with scarring burn alopecia treated with tissue expansion and local flap reconstruction, who experienced reversible acute hair loss (Telogen Effluvium) after the procedure.
32 citations
,
June 2003 in “The American Journal of Dermatopathology” This report describes the third known case of lipedematous scalp in a 51-year-old woman, marked by progressive thickening of the scalp without hair loss, and notes its association with early meningitis symptoms.
47 citations
,
October 2020 in “Communications Biology” This study found that maintaining tension-force balance in a human skin equivalent improved characteristics of skin homeostasis and structure, suggesting potential as an alternative to animal models for studying skin physiology.
30 citations
,
August 2004 in “British Journal of Plastic Surgery” This case study reports that a patient with extensive scalp scarring achieved an excellent cosmetic result when transplanted chest hair grew from an average of 4 cm at transplant to 15 cm after 18 months.
3 citations
,
October 2019 in “Pharmaceutics” This study suggests that newly developed micro-pigment-encapsulated biodegradable microneedles accurately implant pigments in pig cadaver skin, potentially advancing scalp micro-pigmentation methods.
5 citations
,
May 2021 in “EMBO journal” This review discusses the role of polarity signaling in coordinating tissue mechanics, micro-environmental functions, and cell fate decisions, but it reports no new results, highlighting the need for further study in mammalian models.
2 citations
,
January 2011 in “Journal of Cosmetics, Dermatological Sciences and Applications” This study reported that connective tissue diseases frequently lead to severe scalp and hair issues, including a risk of permanent cicatricial alopecia, particularly among young women.
July 2025 in “The Egyptian Journal of Hospital Medicine” This study concluded that preparing scars with either platelet-rich plasma or CO₂ laser significantly improved outcomes in hair transplantation for patients with cicatricial alopecia.
68 citations
,
March 2018 in “Biomaterials” This study found that fibronectin nanofiber dressings, made using rotary jet spinning, accelerated wound healing and improved tissue restoration in a full-thickness wound mouse model.
This study found that individuals with both androgenetic alopecia and metabolic syndrome had thicker subcutaneous adipose tissue in the frontal scalp, along with unfavorable metabolic parameters, compared to those without metabolic syndrome.
14 citations
,
February 2020 in “Scientific reports” This study found that telocytes in human scalp tissue were located around hair follicles and glands and may be involved in skin regeneration and homeostasis.
30 citations
,
July 2000 in “PubMed” This study used advanced analytical techniques to reveal that proteins and lipids are distributed unevenly in hair, with distinct structural differences depending on their location within the fiber.
May 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” In this study, researchers found potential evidence of inducible skin-associated lymphoid tissue (iSALT) in alopecia areata patients undergoing topical immunotherapy, which may suggest an essential role in treatment efficacy.
28 citations
,
January 2021 in “Burns & Trauma” This study found that wound healing after scald burns in mice was slower in deeper burns, but the healing quality in second-degree deep scalds was similar to normal healing.
September 2019 in “Journal of Investigative Dermatology” This study found that in chronic alopecia areata, increased IL-17 expression and CD8+CD49a-Trm cell infiltration in hair follicles were associated with more severe histopathologic gradings, while Foxp3+mTreg infiltration decreased.
28 citations
,
November 2009 in “Journal of Structural Biology” This study found that the molecular structure of hair is more sensitive to synchrotron X-ray radiation than its supramolecular architecture, indicating potential concerns for biological analyses using such radiation.
33 citations
,
June 2017 in “Developmental Biology” This study found that local refinement of hair follicles into higher order patterns can occur without the core planar cell polarity system, but global alignment with body axes requires its function throughout development and regeneration.