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Luo Y, Bollag WB. The Role of PGC-1α in Aging Skin Barrier Function. Cells 2024; 13:1135. [PMID: 38994987 PMCID: PMC11240425 DOI: 10.3390/cells13131135] [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: 05/20/2024] [Revised: 06/21/2024] [Accepted: 06/28/2024] [Indexed: 07/13/2024] Open
Abstract
Skin provides a physical and immune barrier to protect the body from foreign substances, microbial invasion, and desiccation. Aging reduces the barrier function of skin and its rate of repair. Aged skin exhibits decreased mitochondrial function and prolonged low-level inflammation that can be seen in other organs with aging. Peroxisome proliferator-activated receptor (PPAR)-γ coactivator-1α (PGC-1α), an important transcriptional coactivator, plays a central role in modulating mitochondrial function and antioxidant production. Mitochondrial function and inflammation have been linked to epidermal function, but the mechanisms are unclear. The aim of this review is to discuss the mechanisms by which PGC-1α might exert a positive effect on aged skin barrier function. Initially, we provide an overview of the function of skin under physiological and aging conditions, focusing on the epidermis. We then discuss mitochondrial function, oxidative stress, cellular senescence, and inflamm-aging, the chronic low-level inflammation observed in aging individuals. Finally, we discuss the effects of PGC-1α on mitochondrial function, as well as the regulation and role of PGC-1α in the aging epidermis.
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Affiliation(s)
- Yonghong Luo
- Department of Physiology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Wendy B Bollag
- Department of Physiology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
- Charlie Norwood VA Medical Center, Augusta, GA 30904, USA
- Department of Dermatology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
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Agrawal R, Hu A, Bollag WB. The Skin and Inflamm-Aging. BIOLOGY 2023; 12:1396. [PMID: 37997995 PMCID: PMC10669244 DOI: 10.3390/biology12111396] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 10/24/2023] [Accepted: 10/27/2023] [Indexed: 11/25/2023]
Abstract
With its unique anatomical location facing both the external and internal environment, the skin has crucial functions, including shielding the body from damage caused by ultraviolet radiation and chemicals, preventing water loss, acting as a primary barrier against pathogens, participating in metabolic processes like vitamin D production and temperature control and relaying information to the body through sensory and proprioceptor nerves. Like all organ systems, skin is known to undergo multiple changes with aging. A better understanding of the mechanisms that mediate aging-related skin dysfunction may allow the creation of targeted therapeutics that have beneficial effects not only on aged skin but also on other organs and tissues that experience a loss of or decline in function with aging. The skin is the largest organ of the body and can contribute to serum inflammatory mediator levels. One alteration known to occur with age is an impairment of skin barrier function; since disruption of the barrier is known to induce inflammation, skin may be a major contributor to the sustained, sub-clinical systemic inflammation associated with aging. Such "inflamm-aging" may underlie many of the deleterious changes observed in aged individuals. This review explores the role of age-related skin changes, skin inflammation and inflamm-aging.
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Affiliation(s)
- Rashi Agrawal
- Department of Medicine, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA; (R.A.); (A.H.)
| | - Anne Hu
- Department of Medicine, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA; (R.A.); (A.H.)
| | - Wendy B. Bollag
- Department of Medicine, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA; (R.A.); (A.H.)
- Charlie Norwood VA Medical Center, Augusta, GA 30904, USA
- Department of Physiology, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA
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Luo Y, Vivaldi Marrero E, Choudhary V, Bollag WB. Phosphatidylglycerol to Treat Chronic Skin Wounds in Diabetes. Pharmaceutics 2023; 15:1497. [PMID: 37242739 PMCID: PMC10222993 DOI: 10.3390/pharmaceutics15051497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/02/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
This review proposes the use of dioleoylphosphatidylglycerol (DOPG) to enhance diabetic wound healing. Initially, the characteristics of diabetic wounds are examined, focusing on the epidermis. Hyperglycemia accompanying diabetes results in enhanced inflammation and oxidative stress in part through the generation of advanced glycation end-products (AGEs), in which glucose is conjugated to macromolecules. These AGEs activate inflammatory pathways; oxidative stress results from increased reactive oxygen species generation by mitochondria rendered dysfunctional by hyperglycemia. These factors work together to reduce the ability of keratinocytes to restore epidermal integrity, contributing to chronic diabetic wounds. DOPG has a pro-proliferative action on keratinocytes (through an unclear mechanism) and exerts an anti-inflammatory effect on keratinocytes and the innate immune system by inhibiting the activation of Toll-like receptors. DOPG has also been found to enhance macrophage mitochondrial function. Since these DOPG effects would be expected to counteract the increased oxidative stress (attributable in part to mitochondrial dysfunction), decreased keratinocyte proliferation, and enhanced inflammation that characterize chronic diabetic wounds, DOPG may be useful in stimulating wound healing. To date, efficacious therapies to promote the healing of chronic diabetic wounds are largely lacking; thus, DOPG may be added to the armamentarium of drugs to enhance diabetic wound healing.
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Affiliation(s)
- Yonghong Luo
- Department of Physiology, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA; (Y.L.); (E.V.M.); (V.C.)
| | - Edymarie Vivaldi Marrero
- Department of Physiology, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA; (Y.L.); (E.V.M.); (V.C.)
| | - Vivek Choudhary
- Department of Physiology, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA; (Y.L.); (E.V.M.); (V.C.)
- Charlie Norwood VA Medical Center, One Freedom Way, Augusta, GA 30904, USA
| | - Wendy B. Bollag
- Department of Physiology, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA; (Y.L.); (E.V.M.); (V.C.)
- Charlie Norwood VA Medical Center, One Freedom Way, Augusta, GA 30904, USA
- Department of Dermatology, Medical College of Georgia at Augusta University, Augusta, GA 30912, USA
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Abstract
The skin is the largest organ of our body and plays a protective role against the external environment. The skin functions as a mechanical and water permeability barrier, assisting with thermoregulation and defending our body against a variety of stresses such as ultraviolet radiation, microbial infection, physical injuries, and chemical hazards. The structure of the skin consists of three main layers: the hypodermis, the dermis, and the epidermis. Aquaporins (AQPs) are a family of integral membrane proteins whose function is to regulate intracellular fluid hemostasis by facilitating the transportation of water, and in some cases small molecules, across the cell membranes. Up to six different AQPs (AQP1, 3, 5, 7, 9, and 10) are expressed in a variety of cell types in the skin. The AQP family plays an important role in these various locations, contributing to many key functions of the skin including hydration, wound healing, and immune responses. The involvement of different aquaporin family members in skin is discussed.
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Affiliation(s)
- Zhuming Yin
- Department of Breast Oncoplastic Surgery, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
- National Clinical Research Center for Cancer, Tianjin, China
- Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin Medical University, Ministry of Education, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, Tianjin, China
- Tianjin's Clinical Research Center for Cancer, Tianjin, China
- Sino-Russian Joint Research Center for Oncoplastic Breast Surgery, Tianjin, China
| | - Huiwen Ren
- Department of Pharmacology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China.
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5
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Anti-senescent effects of long non-coding RNA H19 on human dermal fibroblast cells through impairing microRNA-296-5p-dependent inhibition of IGF2. Cell Signal 2022; 94:110327. [DOI: 10.1016/j.cellsig.2022.110327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 03/19/2022] [Accepted: 03/29/2022] [Indexed: 11/23/2022]
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Pterostilbene Attenuates Particulate Matter-Induced Oxidative Stress, Inflammation and Aging in Keratinocytes. Antioxidants (Basel) 2021; 10:antiox10101552. [PMID: 34679686 PMCID: PMC8533475 DOI: 10.3390/antiox10101552] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 09/15/2021] [Accepted: 09/26/2021] [Indexed: 02/07/2023] Open
Abstract
Particulate matter (PM) is the main indicator of air pollutants, and it may increase the level of reactive oxygen species (ROS) in keratinocytes, leading to skin inflammation, aging, and decreased moisturizing ability. Pterostilbene (PTS) is a dimethylated analog of resveratrol that has antioxidant effects. However, the molecular mechanisms of PTS in preventing PM-induced keratinocyte inflammation and aging have not been investigated yet. Therefore, we used PM-induced human keratinocytes to investigate the protective mechanisms of PTS. The results showed that 20 μM PTS had no toxicity to HaCaT keratinocytes and significantly reduced PM-induced intracellular ROS production. In addition, nuclear translocation of the aryl hydrocarbon receptor (AHR) was inhibited by PTS, leading to reduced expression of its downstream CYP1A1. PTS further inhibited PM-induced MAPKs, inflammation (COX-2), and aging (MMP-9) protein cascades, and rescued moisturizing (AQP-3) protein expression. We analyzed the PTS content in cells at different time points and compared the concentration required for PTS to inhibit the target proteins. Finally, we used the skin penetration assay to show that the PTS essence mainly exists in the epidermal layer and did not enter the system circulation. In conclusion, PTS could protect HaCaT keratinocytes from PM-induced damage and has the potential to become a cosmetic ingredient.
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Bollag WB, Aitkens L, White J, Hyndman KA. Aquaporin-3 in the epidermis: more than skin deep. Am J Physiol Cell Physiol 2020; 318:C1144-C1153. [PMID: 32267715 DOI: 10.1152/ajpcell.00075.2020] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The skin is essential for terrestrial life. It is responsible for regulating water permeability and functions as a mechanical barrier that protects against environmental insults such as microbial infection, ultraviolet light, injury, and heat and cold, which could damage the cells of the body and compromise survival of the organism. This barrier is provided by the outer layer, the epidermis, which is composed predominantly of keratinocytes; keratinocytes undergo a program of differentiation to form the stratum corneum comprising the cornified squame "bricks" and lipid "mortar." Dysregulation of this differentiation program can result in skin diseases, including psoriasis and nonmelanoma skin cancers, among others. Accumulating evidence in the literature indicates that the water-, glycerol-, and hydrogen peroxide-transporting channel aquaporin-3 (AQP3) plays a key role in various processes involved in keratinocyte function, and abnormalities in this channel have been observed in several human skin diseases. Here, we discuss the data linking AQP3 to keratinocyte proliferation, migration, differentiation, and survival as well as its role in skin properties and functions like hydration, water retention, wound healing, and barrier repair. We also discuss the mechanisms regulating AQP3 levels, localization, and function and the anomalies in AQP3 that are associated with various skin diseases.
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Affiliation(s)
- Wendy B Bollag
- Charlie Norwood Veterans Affairs Medical Center, Augusta, Georgia.,Department of Physiology, Medical College of Georgia at Augusta University, Augusta, Georgia.,Department of Dermatology, Medical College of Georgia at Augusta University, Augusta, Georgia.,Department of Medicine, Medical College of Georgia at Augusta University, Augusta, Georgia
| | - Lorry Aitkens
- Department of Physiology, Medical College of Georgia at Augusta University, Augusta, Georgia
| | - Joseph White
- Department of Pathology, Medical College of Georgia at Augusta University, Augusta, Georgia
| | - Kelly A Hyndman
- Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
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Aging-associated alterations in epidermal function and their clinical significance. Aging (Albany NY) 2020; 12:5551-5565. [PMID: 32217811 PMCID: PMC7138575 DOI: 10.18632/aging.102946] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 03/10/2020] [Indexed: 12/11/2022]
Abstract
Chronologically-aged skin displays multiple functional changes in both the dermis and the epidermis. It appears that epidermal dysfunction, compromised permeability homeostasis, reduced stratum corneum hydration and elevated skin surface pH predispose to the development of aging-associated cutaneous and extracutaneous disorders. Improvements in epidermal function have been shown to be an effective alternative therapy in the prevention and treatment of some aging-associated cutaneous disorders, including eczematous dermatitis, pruritus, and xerosis. Recent studies demonstrated that epidermal dysfunction leads to the development of chronic, low-grade systemic inflammation, termed ‘inflammaging,’ which is linked to the development of aging-associated systemic disorders. Thus, correction of epidermal dysfunction could comprise a novel strategy in the prevention and treatment of aging-associated systemic disorders as well. In this review, we summarize aging-associated alterations in epidermal function, their underlying mechanisms, and their clinical significance. Regimens to improve epidermal function in the elderly are also discussed.
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Rong ML, Zhang ZW, Luo Y, Shi G, Fan YM. Epidermal aquaporin-3 downexpression in symmetrical acrokeratoderma. J Eur Acad Dermatol Venereol 2019; 33:e208-e209. [PMID: 30739344 DOI: 10.1111/jdv.15476] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- M-L Rong
- Department of Dermatology, Affiliated Hospital of Guangdong Medical University, 57 Southern Renmin Avenue, Xiashan District, Zhanjiang, Guangdong, 524001, China
| | - Z-W Zhang
- Department of Dermatology, Affiliated Hospital of Guangdong Medical University, 57 Southern Renmin Avenue, Xiashan District, Zhanjiang, Guangdong, 524001, China
| | - Y Luo
- Department of Dermatology, Affiliated Hospital of Guangdong Medical University, 57 Southern Renmin Avenue, Xiashan District, Zhanjiang, Guangdong, 524001, China
| | - G Shi
- Department of Dermatology, Affiliated Hospital of Guangdong Medical University, 57 Southern Renmin Avenue, Xiashan District, Zhanjiang, Guangdong, 524001, China
| | - Y-M Fan
- Department of Dermatology, Affiliated Hospital of Guangdong Medical University, 57 Southern Renmin Avenue, Xiashan District, Zhanjiang, Guangdong, 524001, China
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Aquaporin Membrane Channels in Oxidative Stress, Cell Signaling, and Aging: Recent Advances and Research Trends. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:1501847. [PMID: 29770164 PMCID: PMC5892239 DOI: 10.1155/2018/1501847] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 01/29/2018] [Accepted: 02/20/2018] [Indexed: 02/07/2023]
Abstract
Reactive oxygen species (ROS) are produced as a result of aerobic metabolism and as by-products through numerous physiological and biochemical processes. While ROS-dependent modifications are fundamental in transducing intracellular signals controlling pleiotropic functions, imbalanced ROS can cause oxidative damage, eventually leading to many chronic diseases. Moreover, increased ROS and reduced nitric oxide (NO) bioavailability are main key factors in dysfunctions underlying aging, frailty, hypertension, and atherosclerosis. Extensive investigation aims to elucidate the beneficial effects of ROS and NO, providing novel insights into the current medical treatment of oxidative stress-related diseases of high epidemiological impact. This review focuses on emerging topics encompassing the functional involvement of aquaporin channel proteins (AQPs) and membrane transport systems, also allowing permeation of NO and hydrogen peroxide, a major ROS, in oxidative stress physiology and pathophysiology. The most recent advances regarding the modulation exerted by food phytocompounds with antioxidant action on AQPs are also reviewed.
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11
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Fernández JR, Webb C, Rouzard K, Voronkov M, Huber KL, Stock JB, Stock M, Gordon JS, Perez E. N-Acetylglutaminoyl-S-farnesyl-L-cysteine (SIG-1191): an anti-inflammatory molecule that increases the expression of the aquaglyceroporin, aquaporin-3, in human keratinocytes. Arch Dermatol Res 2017; 309:103-110. [PMID: 27988893 PMCID: PMC5309294 DOI: 10.1007/s00403-016-1708-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Revised: 12/05/2016] [Accepted: 12/08/2016] [Indexed: 01/01/2023]
Abstract
Isoprenylcysteine (IPC) small molecules were discovered as signal transduction modulating compounds ~25 years ago. More recently, IPC molecules have demonstrated antioxidant and anti-inflammatory properties in a variety of dermal cells as well as antimicrobial activity, representing a novel class of compounds to ameliorate skin conditions and disease. Here, we demonstrate a new IPC compound, N-acetylglutaminoyl-S-farnesyl-L-cysteine (SIG-1191), which inhibits UVB-induced inflammation blocking pro-inflammatory cytokine interleukin-6 (IL-6) and tumor necrosis factor alpha (TNF-α) production. To investigate further the previously reported hydrating potential of IPC compounds, SIG-1191 was tested for its ability to modulate aquaporin expression. Specifically, aquaporin 3 (AQP3) the most abundant aquaporin found in skin has been reported to play a key role in skin hydration, elasticity and barrier repair. Results show here for the first time that SIG-1191 increases AQP3 expression in both cultured normal human epidermal keratinocytes as well as when applied topically in a three-dimensional (3D) reconstructed human skin equivalent. Additionally, SIG-1191 dose dependently increased AQP3 protein levels, as determined by specific antibody staining, in the epidermis of the 3D skin equivalents. To begin to elucidate which signaling pathways SIG-1191 may be modulating to increase AQP3 levels, we used several pharmacological pathway inhibitors and determined that AQP3 expression is mediated by the Mitogen-activated protein kinase/Extracellular signal-regulated kinase kinase (MEK) pathway. Altogether, these data suggest SIG-1191 represents a new IPC derivative with anti-inflammatory activity that may also promote increased skin hydration based on its ability to increase AQP3 levels.
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Affiliation(s)
| | - Corey Webb
- Signum Dermalogix, 133 Wall Street, Princeton, NJ, 08540, USA
| | - Karl Rouzard
- Signum Dermalogix, 133 Wall Street, Princeton, NJ, 08540, USA
| | | | - Kristen L Huber
- Signum Dermalogix, 133 Wall Street, Princeton, NJ, 08540, USA
| | - Jeffry B Stock
- Signum Dermalogix, 133 Wall Street, Princeton, NJ, 08540, USA
- Department of Molecular Biology, Princeton University, Princeton, NJ, USA
| | - Maxwell Stock
- Signum Dermalogix, 133 Wall Street, Princeton, NJ, 08540, USA
| | - Joel S Gordon
- Signum Dermalogix, 133 Wall Street, Princeton, NJ, 08540, USA
| | - Eduardo Perez
- Signum Dermalogix, 133 Wall Street, Princeton, NJ, 08540, USA.
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12
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Aquaporins in the Skin. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 969:173-191. [DOI: 10.1007/978-94-024-1057-0_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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13
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Seleit I, Bakry OA, El Repey HS, Ali R. Intrinsic versus Extrinsic Aging: A Histopathological, Morphometric and Immunohistochemical Study of Estrogen Receptor β and Androgen Receptor. Skin Pharmacol Physiol 2016; 29:178-89. [PMID: 27399919 DOI: 10.1159/000446662] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Accepted: 04/28/2016] [Indexed: 11/19/2022]
Abstract
Skin is a target organ of sex steroids which play important roles in skin health and disease. The aim of this study is to investigate the expression of estrogen receptor β (ERβ) and androgen receptor (AR) in human skin from different age groups for a better understanding of the hormonal regulation of skin aging. Using standard immunohistochemical techniques, biopsies of sun-unprotected and sun-protected skin were taken from 60 normal subjects. Sun-protected skin showed significantly higher immunoreactivity for ERβ and AR compared to sun-unprotected skin of all age groups. Significantly higher ERβ H score and percent of expression were associated with the 20-35 years age group compared to the groups that were 35-50 years and >50 years old (p < 0.02, p = 0.03, respectively) in sun-unprotected and sun-protected skin (p < 0.001, p = 0.01, respectively). AR H score showed a negative correlation with age (p = 0.04) with no significant difference in immunoreactivity in different age groups, either in sun-unprotected or sun-protected skin. There was also a significant correlation between ERβ H score and epidermal thickness in sun-unprotected (p = 0.04) and sun-protected skin (p = 0.04) in studied subjects regardless of age. The same relationships did not reach significance with AR expression. However, a significant positive correlation was detected between H scores and percent of expression of ERβ and AR in sun-unprotected (p = 0.01, p = 0.02, respectively) and sun-protected skin (p = 0.005, p = 0.02, respectively) regardless of age. In conclusion, both ERβ and AR decline gradually with intrinsic and extrinsic aging. This decline is more obvious with extrinsic aging. Further large-scaled studies are recommended to expand, validate and translate current findings to clinically significant, diagnostic and therapeutic applications. Molecular studies to investigate the probable ligand-independent action of both receptors are warranted. In addition, their gene expression patterns and associated signaling and metabolic pathways can also be tackled to provide a basis for further interventions in pathological processes that involve their dysregulation.
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Affiliation(s)
- Iman Seleit
- Department of Dermatology, Andrology and STDs, Faculty of Medicine, Menoufiya University, Shibin El Koom, Egypt
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Arrighi S, Bosi G, Accogli G, Desantis S. Seasonal and Ageing-Depending Changes of Aquaporins 1 and 9 Expression in the Genital Tract of Buffalo Bulls (Bubalus bubalis). Reprod Domest Anim 2016; 51:515-23. [DOI: 10.1111/rda.12713] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 05/03/2016] [Indexed: 01/19/2023]
Affiliation(s)
- S. Arrighi
- Department of Health, Animal Science and Food Safety (VESPA); Laboratory of Anatomy; Università degli Studi di Milano; Milano Italy
| | - G. Bosi
- Department of Health, Animal Science and Food Safety (VESPA); Laboratory of Anatomy; Università degli Studi di Milano; Milano Italy
| | - G. Accogli
- Department of Emergency and Organ Transplantation (DETO); Veterinary Clinics and Animal Productions Section; University of Bari “Aldo Moro”; Bari Italy
| | - S. Desantis
- Department of Emergency and Organ Transplantation (DETO); Veterinary Clinics and Animal Productions Section; University of Bari “Aldo Moro”; Bari Italy
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