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You J, Woo J, Roh KB, Jeon K, Jang Y, Choi SA, Ryu D, Cho E, Park D, Lee J, Jang M, Jung E. Evaluation of efficacy of Silybum marianum flower extract on the mitigating hair loss in vitro and in vivo. J Cosmet Dermatol 2024; 23:529-542. [PMID: 37675655 DOI: 10.1111/jocd.15978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 07/06/2023] [Accepted: 08/20/2023] [Indexed: 09/08/2023]
Abstract
BACKGROUND Natural components that can exert a wide range of anti-hair loss activity with fewer side effects are in high demand. The objective of this study was to investigate the anti-hair loss potential of Silybum marianum flower extract (SMFE) in vitro and in vivo. METHODS The effect of SMFE on dermal papilla cells was evaluated by measuring cell proliferation and VEGF production in hair follicle dermal papilla cells (HFDPCs). In addition, to confirm the effect of SMFE on dermal papilla senescence, SA-β-gal staining and senescence associated secretory phenotype (SASP) production such as IL-6 was observed in both replicative and hydrogen peroxide (H2 O2 )-induced senescence models. In a clinical study, hair growth was determined by reconstitution analysis after shaving the hair of the clinical subject's scalp and hair area. RESULTS SMFE increased the proliferation and VEGF production of HFDPCs. It also suppressed cellular senescence of HFDPCs and IL-6 production in replicative senescence and oxidative stress-induced senescence models. The hair density and total hair count at 16 and 24 weeks after using hair shampoo containing SMFE were significantly increased compared with those of the placebo group. CONCLUSION SMFE has the potential to be used as a natural ingredient for alleviating hair loss.
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Affiliation(s)
- Jiyoung You
- Biospectrum Life Science Institute, Yongin, South Korea
| | - Jieun Woo
- Biospectrum Life Science Institute, Yongin, South Korea
| | | | - Kyungeun Jeon
- Biospectrum Life Science Institute, Yongin, South Korea
| | - Youngsu Jang
- Biospectrum Life Science Institute, Yongin, South Korea
| | - Song-Ah Choi
- Biospectrum Life Science Institute, Yongin, South Korea
| | - Daehoon Ryu
- Biospectrum Life Science Institute, Yongin, South Korea
| | - Eunae Cho
- Biospectrum Life Science Institute, Yongin, South Korea
| | - Deokhoon Park
- Biospectrum Life Science Institute, Yongin, South Korea
| | | | - Min Jang
- Seoul Cosmetics, Incheon, South Korea
| | - Eunsun Jung
- Biospectrum Life Science Institute, Yongin, South Korea
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2
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Liu F, Liu S, Luo X, Fan Z, Huang S, Deng F, Liu H, Shi G. Combatting ageing in dermal papilla cells and promoting hair follicle regeneration using exosomes from human hair follicle dermal sheath cup cells. Exp Dermatol 2024; 33:e14948. [PMID: 37950506 DOI: 10.1111/exd.14948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 08/30/2023] [Accepted: 09/11/2023] [Indexed: 11/12/2023]
Abstract
Dermal papilla cells (DPCs) undergo premature ageing in androgenetic alopecia and senescent alopecia. As critical components of hair follicle reconstruction, DPCs are also prone to senescence in vitro, resulting in a diminished hair follicle inductivity capacity. Dermal sheath cup cells (DSCCs), a specific subset of hair follicle mesenchymal stem cells, intimately linked to the function of DPCs. The primary objective of this research is to investigate the anti-ageing effect of exosomes derived from DSCCs (ExoDSCCs ) on DPCs. Exosomes were utilized to treat H2 O2 -induced DPCs or long-generation DPCs(P10). Our findings demonstrate that ExoDSCCs(P3) promote the proliferation, viability and migration of senescent DPCs while inhibiting cell apoptosis. The expression of senescence marker SA-β-Gal were significantly downregulated in senescent DPCs. When treated with ExoDSCCs(P3) , expression of inducibility related markers alkaline phosphatase and Versican were significantly upregulated. Additionally, ExoDSCCs(P3) activated the Wnt/β-catenin signalling in vitro. In patch assay, ExoDSCCs(P3) significantly promoted hair follicle reconstruction in senescent DPCs. In summary, our work highlights that ExoDSCCs(P3) may restore the biological functions and improve the hair follicle induction ability of senescent DPCs. Therefore, ExoDSCCs(P3) may represent a new strategy for intervening in the ageing process of DPCs, contributing to the prevention of senile alopecia.
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Affiliation(s)
- Fang Liu
- Medical Cosmetic and Plastic Surgery Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Si Liu
- Medical Cosmetic and Plastic Surgery Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Xiaohua Luo
- Medical Cosmetic and Plastic Surgery Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Zirui Fan
- Medical Cosmetic and Plastic Surgery Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Shaobin Huang
- Medical Cosmetic and Plastic Surgery Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Fangqi Deng
- Medical Cosmetic and Plastic Surgery Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Huanliang Liu
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
- Department of Clinical Laboratory, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Ge Shi
- Medical Cosmetic and Plastic Surgery Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
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3
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Jang H, Jo Y, Lee JH, Choi S. Aging of hair follicle stem cells and their niches. BMB Rep 2023; 56:2-9. [PMID: 36379515 PMCID: PMC9887102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Indexed: 01/28/2023] Open
Abstract
Hair follicles in the skin undergo cyclic rounds of regeneration, degeneration, and rest throughout life. Stem cells residing in hair follicles play a pivotal role in maintaining tissue homeostasis and hair growth cycles. Research on hair follicle aging and age-related hair loss has demonstrated that a decline in hair follicle stem cell (HFSC) activity with aging can decrease the regeneration capacity of hair follicles. This review summarizes our understanding of how age-associated HFSC intrinsic and extrinsic mechanisms can induce HFSC aging and hair loss. In addition, we discuss approaches developed to attenuate ageassociated changes in HFSCs and their niches, thereby promoting hair regrowth. [BMB Reports 2023; 56(1): 2-9].
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Affiliation(s)
- Hansaem Jang
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea, Incheon 21983, Korea
| | - Yemin Jo
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea, Incheon 21983, Korea
| | - Jung Hyun Lee
- Division of Dermatology, Department of Medicine, University of Washington, Seattle, WA 98109, Korea,Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98109, USA, Incheon 21983, Korea
| | - Sekyu Choi
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea, Incheon 21983, Korea,School of Medical Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea,School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea,Institute for Convergence Research and Education in Advanced Technology (I_CREATE), Yonsei University, Incheon 21983, Korea,Corresponding author. Tel: +82-54-279-2359; Fax: +82-54-279-2199; E-mail:
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4
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Jang H, Jo Y, Lee JH, Choi S. Aging of hair follicle stem cells and their niches. BMB Rep 2023; 56:2-9. [PMID: 36379515 PMCID: PMC9887102 DOI: 10.5483/bmbrep.2022-0183] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/14/2022] [Accepted: 11/14/2022] [Indexed: 09/06/2023] Open
Abstract
Hair follicles in the skin undergo cyclic rounds of regeneration, degeneration, and rest throughout life. Stem cells residing in hair follicles play a pivotal role in maintaining tissue homeostasis and hair growth cycles. Research on hair follicle aging and age-related hair loss has demonstrated that a decline in hair follicle stem cell (HFSC) activity with aging can decrease the regeneration capacity of hair follicles. This review summarizes our understanding of how age-associated HFSC intrinsic and extrinsic mechanisms can induce HFSC aging and hair loss. In addition, we discuss approaches developed to attenuate ageassociated changes in HFSCs and their niches, thereby promoting hair regrowth. [BMB Reports 2023; 56(1): 2-9].
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Affiliation(s)
- Hansaem Jang
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea, Incheon 21983, Korea
| | - Yemin Jo
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea, Incheon 21983, Korea
| | - Jung Hyun Lee
- Division of Dermatology, Department of Medicine, University of Washington, Seattle, WA 98109, Korea
- Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98109, USA, Incheon 21983, Korea
| | - Sekyu Choi
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea, Incheon 21983, Korea
- School of Medical Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea
- Institute for Convergence Research and Education in Advanced Technology (I_CREATE), Yonsei University, Incheon 21983, Korea
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5
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Meyer-Gonzalez T, Bacqueville D, Grimalt R, Mengeaud V, Piraccini BM, Rudnicka L, Saceda-Corralo D, Vogt A, Vano-Galvan S. Current controversies in trichology: a European expert consensus statement. J Eur Acad Dermatol Venereol 2021; 35 Suppl 2:3-11. [PMID: 34668238 DOI: 10.1111/jdv.17601] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 08/13/2021] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Hair disorders are one of the most common conditions within dermatology practice but, although new diagnostic tools and therapeutic options have arisen, the management of these patients still represents a major clinical challenge. OBJECTIVE This study aimed at gathering information and achieving consensus on relevant recommendations on the latest advances in alopecia, trichoscopy and hair dermocosmetics. METHODS Experts of the steering committee consulted the available evidence on trichology-related areas from the past 5 years and formulated recommendations based on the evidence and their experience. A modified two-round Delphi procedure was performed among 45 European dermatologists experts in trichology to consult their degree of agreement on twenty recommendations, using a 4-point Likert scale. Consensus was defined as >80% of participants scoring either 1 (totally agree) or 2 (agree). RESULTS In the first round of the Delphi questionnaire, 75% of the recommendations reached consensus. Those that were not agreed upon were reformulated by the steering committee and voted again after an online meeting, where consensus was achieved in all recommendations. CONCLUSIONS All recommendations reached consensus after the two-round Delphi questionnaire and may be useful in clinical practice for dermatologists. The participants agreed that besides this consensus, further clinical studies are needed to assess the benefits of the emerging tools and treatments and to clarify the controversies that still exist in the field, aiming at improving patients' quality of life.
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Affiliation(s)
- T Meyer-Gonzalez
- Trichology Unit, Dermatology Service Hospital Dr. Gálvez, Malaga, Spain
| | - D Bacqueville
- Pierre Fabre Laboratories, Centre R&D Pierre Fabre Toulouse, Toulouse, France
| | - R Grimalt
- Department of Dermatology, Universitat Internacional de Catalunya, Barcelona, Spain
| | - V Mengeaud
- Pierre Fabre Laboratories, Centre R&D Pierre Fabre Toulouse, Toulouse, France
| | - B M Piraccini
- IRCCS Azienda Ospedaliero-Universitaria di Bologna - Department of Experimental, Diagnostic and Specialty Medicine (DIMES) Alma Mater Studiorum, University of Bologna, Bologna, Italy
| | - L Rudnicka
- Department of Dermatology, Medical University of Warsaw, Warsaw, Poland
| | - D Saceda-Corralo
- Trichology Unit, #TricoHRC Research Group, Dermatology Service, IRYCIS, Ramon y Cajal Hospital, University of Alcala, Madrid, Spain
| | - A Vogt
- Clinical Research Center for Hair and Skin Science, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | | | - S Vano-Galvan
- Trichology Unit, #TricoHRC Research Group, Dermatology Service, IRYCIS, Ramon y Cajal Hospital, University of Alcala, Madrid, Spain
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6
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Li KN, Tumbar T. Hair follicle stem cells as a skin-organizing signaling center during adult homeostasis. EMBO J 2021; 40:e107135. [PMID: 33880808 PMCID: PMC8167365 DOI: 10.15252/embj.2020107135] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 12/16/2020] [Accepted: 02/09/2021] [Indexed: 12/12/2022] Open
Abstract
Stem cells are the essential source of building blocks for tissue homeostasis and regeneration. Their behavior is dictated by both cell-intrinsic cues and extrinsic cues from the microenvironment, known as the stem cell niche. Interestingly, recent work began to demonstrate that hair follicle stem cells (HFSCs) are not only passive recipients of signals from the surroundings, but also actively send out signals to modulate the organization and function of their own niches. Here, we discuss recent findings, and briefly refer to the old, on the interaction of HFSCs and their niches with the emphasis on the outwards signals from HFSCs toward their niches. We also highlight recent technology advancements that further promote our understanding of HFSC niches. Taken together, the HFSCs emerge as a skin-organizing center rich in signaling output for niche remodeling during various stages of adult skin homeostasis. The intricate crosstalk between HFSCs and their niches adds important insight to skin biology that will inform clinical and bioengineering fields aiming to build complete and functional 3D organotypic cultures for skin replacement therapies.
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Affiliation(s)
- Kefei Nina Li
- Molecular Biology and GeneticsCornell UniversityIthacaNYUSA
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7
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Sugaya K. Changes in characteristics of murine hair follicles and tissue stem cells by aging. Mech Dev 2020; 163:103630. [PMID: 32645346 DOI: 10.1016/j.mod.2020.103630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 07/01/2020] [Accepted: 07/02/2020] [Indexed: 10/23/2022]
Abstract
The aging process is closely related to the organization of stem cells, and skin is thought to be one of the suitable models for its investigation. We have focused on the murine hair follicle to verify this idea because it shows typical aging phenotypes and is a self-renewing structure reconstituted by its own stem cells. However, how changes in the characteristics of the hair follicle and in the behavior of tissue stem cells in the natural hair cycle occur are not fully understood. We investigated the number, morphology and pigmentation of hair follicles in anagen phases during the aging process. In addition, stem cells for keratinocytes and melanocytes were examined to evaluate the correlation between changes in skin characteristics and the stem cells. The remarkable changes caused by aging appeared to be the significant increase in qualitative phenotypes such as curved hair follicles and white hair. A significant difference between the number of keratinocyte and melanocyte stem cells in the hair bulge region is likely to be involved in these changes. Our findings may be important for understanding the mechanisms of the actions of stem cells on hair regeneration and for clarifying the mechanisms of age-related phenotypes.
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Affiliation(s)
- Kimihiko Sugaya
- Functional and Molecular Imaging Group, Department of Molecular Imaging and Theranostics, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum and Radiological Science and Technology (QST), Chiba, Japan.
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8
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Sameri S, Samadi P, Dehghan R, Salem E, Fayazi N, Amini R. Stem Cell Aging in Lifespan and Disease: A State-of-the-Art Review. Curr Stem Cell Res Ther 2020; 15:362-378. [DOI: 10.2174/1574888x15666200213105155] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 11/09/2019] [Accepted: 12/31/2019] [Indexed: 12/11/2022]
Abstract
Aging is considered as inevitable changes at different levels of genome, cell, and organism.
From the accumulation of DNA damages to imperfect protein homeostasis, altered cellular communication
and exhaustion of stem cells, aging is a major risk factor for many prevalent diseases, such as
cancer, cardiovascular disease, pulmonary disease, diabetes, and neurological disorders. The cells are
dynamic systems, which, through a cycle of processes such as replication, growth, and death, could
replenish the bodies’ organs and tissues, keeping an entire organism in optimal working order. In many
different tissues, adult stem cells are behind these processes, replenishing dying cells to maintain normal
tissue function and regenerating injured tissues. Therefore, adult stem cells play a vital role in preventing
the aging of organs and tissues, and can delay aging. However, during aging, these cells also
undergo some detrimental changes such as alterations in the microenvironment, a decline in the regenerative
capacity, and loss of function. This review aimed to discuss age-related changes of stem cells in
different tissues and cells, including skin, muscles, brain, heart, hair follicles, liver, and lung.
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Affiliation(s)
- Saba Sameri
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Pouria Samadi
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Razieh Dehghan
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Elham Salem
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Nashmin Fayazi
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Razieh Amini
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
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9
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Williams R, Pawlus AD, Thornton MJ. Getting under the skin of hair aging: the impact of the hair follicle environment. Exp Dermatol 2020; 29:588-597. [DOI: 10.1111/exd.14109] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 01/24/2020] [Accepted: 04/25/2020] [Indexed: 11/30/2022]
Affiliation(s)
- Rachael Williams
- The Centre for Skin Sciences Faculty of Life Sciences The University of Bradford Bradford UK
| | - Alison D Pawlus
- Aveda, Hair Innovation and Technology Blaine Minneapolis USA
| | - M Julie Thornton
- The Centre for Skin Sciences Faculty of Life Sciences The University of Bradford Bradford UK
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10
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Curley M, Milne L, Smith S, Jørgensen A, Frederiksen H, Hadoke P, Potter P, Smith LB. A young testicular microenvironment protects Leydig cells against age-related dysfunction in a mouse model of premature aging. FASEB J 2018; 33:978-995. [PMID: 30080443 PMCID: PMC6355079 DOI: 10.1096/fj.201800612r] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Testicular Leydig cells (LCs) are the primary source of circulating androgen in men. As men age, circulating androgen levels decline. However, whether reduced LC steroidogenesis results from specific effects of aging within LCs or reflects degenerative alterations to the wider supporting microenvironment is unclear; inability to separate intrinsic LC aging from that of the testicular microenvironment in vivo has made this question difficult to address. To resolve this, we generated novel mouse models of premature aging, driven by CDGSH iron sulfur domain 2 (Cisd2) deletion, to separate the effects of cell intrinsic aging from extrinsic effects of aging on LC function. At 6 mo of age, constitutive Cisd2-deficient mice display signs of premature aging, including testicular atrophy, reduced LC and Sertoli cell (SC) number, decreased circulating testosterone, increased luteinizing hormone/testosterone ratio, and decreased expression of steroidogenic mRNAs, appropriately modeling primary testicular dysfunction observed in aging men. However, mice with Cisd2 deletion (and thus premature aging) restricted to either LCs or SCs were protected against testicular degeneration, demonstrating that age-related LCs dysfunction cannot be explained by intrinsic aging within either the LC or SC lineages alone. We conclude that age-related LC dysfunction is largely driven by aging of the supporting testicular microenvironment.—Curley, M., Milne, L., Smith, S., Jørgensen, A., Frederiksen, H., Hadoke, P., Potter, P., Smith, L. B. A Young testicular microenvironment protects Leydig cells against age-related dysfunction in a mouse model of premature aging.
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Affiliation(s)
- Michael Curley
- Medical Research Council (MRC) Centre for Reproductive Health, University of Edinburgh, The Queen's Medical Research Institute, Edinburgh, United Kingdom
| | - Laura Milne
- Medical Research Council (MRC) Centre for Reproductive Health, University of Edinburgh, The Queen's Medical Research Institute, Edinburgh, United Kingdom
| | - Sarah Smith
- Medical Research Council (MRC) Centre for Reproductive Health, University of Edinburgh, The Queen's Medical Research Institute, Edinburgh, United Kingdom
| | - Anne Jørgensen
- Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.,International Centre for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Hanne Frederiksen
- Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.,International Centre for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Patrick Hadoke
- The British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, The Queen's Medical Research Institute, Edinburgh, United Kingdom
| | - Paul Potter
- MRC Mammalian Genetics Unit, MRC Harwell, Harwell, United Kingdom; and
| | - Lee B Smith
- Medical Research Council (MRC) Centre for Reproductive Health, University of Edinburgh, The Queen's Medical Research Institute, Edinburgh, United Kingdom.,School of Environmental and Life Sciences, University of Newcastle, Callaghan, New South Wales, Australia
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11
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Ji J, Ho BSY, Qian G, Xie XM, Bigliardi PL, Bigliardi-Qi M. Aging in hair follicle stem cells and niche microenvironment. J Dermatol 2017; 44:1097-1104. [PMID: 28593683 DOI: 10.1111/1346-8138.13897] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 03/23/2017] [Indexed: 01/25/2023]
Abstract
Hair graying and hair loss are prominent and common characteristics of the elderly population. In some individuals these processes can significantly impact their quality of life, leading to depression, anxiety and other serious mental health problems. Accordingly, there has been much interest in understanding the complex physiological changes within the hair follicle in the aging individual. It is now known that hair follicles represent a prototypical stem cell niche, where both micro- and macroenvironmental influences are integrated alongside stem cell-stem cell and stem cell-stem niche interactions to determine hair growth or hair follicle senescence. Recent studies have identified imbalanced stem cell differentiation and altered stem cell activity as important factors during hair loss, indicating new avenues for the development of therapeutic agents to stimulate hair growth. Here, we pull together the latest findings on the hair follicle stem cell niche and the multifactorial interactions underlying the various forms of hair loss.
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Affiliation(s)
- Jiang Ji
- Department of Dermatology, The Second Affiliated Hospital of Soochow University, Su Zhou, China
| | - Bryan Siu-Yin Ho
- Institute of Medical Biology, Agency for Science, Technology and Research, Singapore
| | - Ge Qian
- Department of Dermatology, Zhengzhou Children's Hospital, Zhengzhou, China
| | - Xiao-Ming Xie
- Department of Dermatology, The Second Affiliated Hospital of Soochow University, Su Zhou, China
| | - Paul Lorenz Bigliardi
- Institute of Medical Biology, Agency for Science, Technology and Research, Singapore
| | - Mei Bigliardi-Qi
- Institute of Medical Biology, Agency for Science, Technology and Research, Singapore
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12
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Yamazaki A, Hamada Y, Arakawa N, Yashiro M, Mii S, Aki R, Kawahara K, Hoffman RM, Amoh Y. Early-age-dependent selective decrease of differentiation potential of hair-follicle-associated pluripotent (HAP) stem cells to beating cardiac-muscle cells. Cell Cycle 2016; 15:2619-2625. [PMID: 27428074 DOI: 10.1080/15384101.2016.1208870] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
We have previously discovered nestin-expressing hair-follicle-associated pluripotent (HAP) stem cells and have shown that they can differentiate to neurons, glia, and many other cell types. HAP stem cells can be used for nerve and spinal cord repair. We have recently shown the HAP stem cells can differentiate to beating heart-muscle cells and tissue sheets of beating heart-muscle cells. In the present study, we determined the efficiency of HAP stem cells from mouse vibrissa hair follicles of various ages to differentiate to beating heart-muscle cells. We observed that the whiskers located near the ear were more efficient to differentiate to cardiac-muscle cells compared to whiskers located near the nose. Differentiation to cardiac-muscle cells from HAP stem cells in cultured whiskers in 4-week-old mice was significantly greater than in 10-, 20-, and 40-week-old mice. There was a strong decrease in differentiation potential of HAP stem cells to cardiac-muscle cells by 10 weeks of age. In contrast, the differentiation potential of HAP stem cells to other cell types did not decrease with age. The possibility of rejuvenation of HAP stem cells to differentiate at high efficiency to cardiac-muscle cells is discussed.
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Affiliation(s)
- Aiko Yamazaki
- a Department of Dermatology , Kitasato University School of Medicine, Minami Ward , Sagamihara , Japan
| | - Yuko Hamada
- a Department of Dermatology , Kitasato University School of Medicine, Minami Ward , Sagamihara , Japan
| | - Nobuko Arakawa
- a Department of Dermatology , Kitasato University School of Medicine, Minami Ward , Sagamihara , Japan
| | - Masateru Yashiro
- a Department of Dermatology , Kitasato University School of Medicine, Minami Ward , Sagamihara , Japan
| | - Sumiyuki Mii
- a Department of Dermatology , Kitasato University School of Medicine, Minami Ward , Sagamihara , Japan
| | - Ryoichi Aki
- a Department of Dermatology , Kitasato University School of Medicine, Minami Ward , Sagamihara , Japan
| | - Katsumasa Kawahara
- b Department of Physiology , Kitasato University School of Medicine, Minami Ward , Sagamihara , Japan.,c Department of Cellular & Molecular Physiology , Kitasato University Graduate School of Medical Sciences , Minami Ward, Sagamihara , Japan
| | - Robert M Hoffman
- d AntiCancer, Inc. , San Diego , CA , USA.,e Department of Surgery , University of California San Diego , San Diego , CA , USA
| | - Yasuyuki Amoh
- a Department of Dermatology , Kitasato University School of Medicine, Minami Ward , Sagamihara , Japan
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