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Lei Y, Jiang W, Peng C, Wu D, Wu J, Xu Y, Yan H, Xia X. Advances in polymeric nano-delivery systems targeting hair follicles for the treatment of acne. Drug Deliv 2024; 31:2372269. [PMID: 38956885 PMCID: PMC11225637 DOI: 10.1080/10717544.2024.2372269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 06/05/2024] [Indexed: 07/04/2024] Open
Abstract
Acne is a common chronic inflammatory disorder of the sebaceous gland in the hair follicle. Commonly used external medications cause skin irritation, and the transdermal capacity is weak, making it difficult to penetrate the cuticle skin barrier. Hair follicles can aid in the breakdown of this barrier. As nanomaterials progress, polymer-based nanocarriers are routinely used for hair follicle drug delivery to treat acne and other skin issues. Based on the physiological and anatomical characteristics of hair follicles, this paper discusses factors affecting hair follicle delivery by polymer nanocarriers, summarizes the common combination technology to improve the targeting of hair follicles by carriers, and finally reviews the most recent research progress of different polymer nanodrug-delivery systems for the treatment of acne by targeting hair follicles.
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Affiliation(s)
- Yujing Lei
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Wanting Jiang
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Cheng Peng
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Donghai Wu
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Jing Wu
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Yiling Xu
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Hong Yan
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Xinhua Xia
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
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Kim DH, Briceño CA, McGeehan B, VanderBeek BL. Risk Factors for Chalazion Diagnosis and Subsequent Surgical Excision. Ophthalmic Epidemiol 2024; 31:84-90. [PMID: 37032590 PMCID: PMC10560700 DOI: 10.1080/09286586.2023.2199838] [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: 02/06/2023] [Revised: 03/22/2023] [Accepted: 04/01/2023] [Indexed: 04/11/2023]
Abstract
PURPOSE To identify factors associated with chalazion diagnosis and surgical excision. METHODS Patients with an incident chalazion diagnosis from 2002 to 2019 were compared 1:5 with matched controls. Multivariable logistic regression was performed to identify variables associated with diagnosis and surgical excision. RESULTS Chalazion patients (n = 134,959) and controls (678,160) were analyzed. Risk factors for diagnosis included female sex, non-white race, northeast location, conditions affecting periocular skin and tear film (blepharitis, meibomian gland dysfunction, rosacea, pterygium), non-ocular inflammatory conditions (gastritis, inflammatory bowel disease, sarcoidosis, seborrheic dermatitis, Graves' disease), and smoking (p < .001 for all comparisons). Thirteen percent of patients with chalazion underwent subsequent surgical excision. Diabetes and systemic sclerosis diagnoses decreased odds of diagnosis (p < .001). Male sex, rosacea diagnosis, Black and Hispanic race, antibiotic use, and doxycycline use increased odds of surgery (p < .001). CONCLUSION Female sex, non-white race, conditions affecting periocular skin and the tear film, several non-ocular inflammatory conditions, and smoking were risk factors for chalazion diagnosis. Male sex, rosacea diagnosis, Black and Hispanic race, antibiotic use, and doxycycline use were risk factors for surgical intervention for chalazion. Our results prompt further study of these variables and their relationship to chalazion diagnosis to understand physiology and improve clinical outcomes. Furthermore, the results of this study suggest early recognition and treatment of concomitant rosacea may serve an important role in the management of chalazion and in the prevention of surgical intervention.
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Affiliation(s)
- Diana H. Kim
- Scheie Eye Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - César A. Briceño
- Scheie Eye Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Brendan McGeehan
- Scheie Eye Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Center for Preventative Ophthalmology and Biostatistics, University of Pennsylvania, Philadelphia PA
| | - Brian L. VanderBeek
- Scheie Eye Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Center for Pharmacoepidemiology Research and Training, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Leonard Davis Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
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Hidayah RMN, Widjaya MRH, Gunawan H, Sutedja E, Dwiyana RF, Sutedja EK. Evaluation of Scalp Hydration and pH Values in Hijab-Wearing and Non-Hijab-Wearing Women. Int J Womens Health 2023; 15:1661-1672. [PMID: 37937224 PMCID: PMC10625903 DOI: 10.2147/ijwh.s431755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 10/23/2023] [Indexed: 11/09/2023] Open
Abstract
Introduction Indonesia is the most populous Muslim-majority country, where some women wear hijab covering their scalp and neck. Some hijab-wearing women complain of scalp problems eg, itch, dandruff, and hair loss, which might be related to severe and chronic skin barrier impairment due to occlusion. Excessive water accumulation in the occluded stratum corneum might result in increased permeability, followed by increased skin pH values. This study aimed to evaluate scalp hydration and pH values in hijab-wearing and non-hijab-wearing women. Material and Methods This was a cross-sectional comparative analytical study using stratified random sampling methods conducted on 63 subjects, who were divided into two groups, consisting of 33 hijab-wearing and 30 non-hijab-wearing women. Both groups underwent physical examination and their medical history recorded. Scalp hydration was measured using a Corneometer (Courage + Khazaka, Koln, Germany), and scalp pH value was measured using a Skin & Scalp pH Tester (Hanna Instruments® HI981037, Rumania). This study was conducted at the Dermatology and Venereology Clinic of Hasan Sadikin General Hospital Bandung. Results The mean scalp hydration and pH values were 18.34 ± 2.91 AU and 4.93 ± 0.17, respectively, in hijab-wearing women. Meanwhile, the mean scalp hydration and pH values were 17.71 ± 3.35 AU and 4.91 ± 0.16, respectively, in non-hijab-wearing women. The difference of scalp hydration and pH values between the groups was not statistically significant based on the independent t-test, with p-values of 0.430 and 0.597, respectively. Conclusion Scalp hydration and pH values in hijab-wearing and non-hijab-wearing women did not differ significantly. Hijab-wearing women should not worry about scalp barrier impairment as long as they do not have any history of underlying scalp and skin disorders, and do not wear hijab in wet condition.
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Affiliation(s)
- Risa Miliawati Nurul Hidayah
- Department of Dermatology and Venereology, Faculty of Medicine, Universitas Padjadjaran - Dr. Hasan Sadikin Hospital, Bandung, Indonesia
| | - Muhamad Radyn Haryadi Widjaya
- Department of Dermatology and Venereology, Faculty of Medicine, Universitas Padjadjaran - Dr. Hasan Sadikin Hospital, Bandung, Indonesia
| | - Hendra Gunawan
- Department of Dermatology and Venereology, Faculty of Medicine, Universitas Padjadjaran - Dr. Hasan Sadikin Hospital, Bandung, Indonesia
| | - Endang Sutedja
- Department of Dermatology and Venereology, Faculty of Medicine, Universitas Padjadjaran - Dr. Hasan Sadikin Hospital, Bandung, Indonesia
| | - Reiva Farah Dwiyana
- Department of Dermatology and Venereology, Faculty of Medicine, Universitas Padjadjaran - Dr. Hasan Sadikin Hospital, Bandung, Indonesia
| | - Eva Krishna Sutedja
- Department of Dermatology and Venereology, Faculty of Medicine, Universitas Padjadjaran - Dr. Hasan Sadikin Hospital, Bandung, Indonesia
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Barbosa V, Hight R, Grullon K. Scalp Infection, Inflammation, and Infestation. Dermatol Clin 2023; 41:539-545. [PMID: 37236720 DOI: 10.1016/j.det.2023.02.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Tinea capitis, folliculitis, seborrheic dermatitis, and pediculosis capitis are four common scalp conditions. Although tinea capitis and seborrheic dermatitis are found more commonly in patients with skin of color and highly textured hair, all of these conditions have special diagnostic or management considerations in these populations. This article reviews the diagnosis and management of these common scalp conditions.
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Affiliation(s)
- Victoria Barbosa
- University of Chicago Medicine Section of Dermatology, 5841 South Maryland Avenue, MC5067, L518B, Chicago, IL 60637, USA.
| | - Robert Hight
- University of Chicago Pritzker School of Medicine, 121 West Central Avenue, Maywood, NJ 07607, USA
| | - Karina Grullon
- University of Chicago Pritzker School of Medicine, 121 West Central Avenue, Maywood, NJ 07607, USA
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Kiener S, McMahill BG, Affolter VK, Welle M, Yager JA, Jagannathan V, Leeb T. SOAT1 missense variant in two cats with sebaceous gland dysplasia. Mol Genet Genomics 2023; 298:837-843. [PMID: 37060467 DOI: 10.1007/s00438-023-02020-6] [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: 02/15/2023] [Accepted: 04/08/2023] [Indexed: 04/16/2023]
Abstract
Spontaneously arisen hereditary diseases in domestic animals provide an excellent opportunity to study the physiological functions of the altered genes. We investigated two 4-month-old sibling domestic short haired kittens with dry dark debris around the eyes, nose, and ears, dark crusting on the legs and a thin poor hair coat. Skin biopsies revealed abnormal sebaceous gland morphology with lack of normal sebocyte arrangement and differentiation. Hair follicles had a distorted silhouette, interpreted as a change secondary to the observed sebaceous gland dysplasia. Whole genome sequencing on both affected kittens and 65 genetically diverse feline genomes was performed. Filtering for variants that were present in both kittens but absent from the control genomes revealed a homozygous missense variant in SOAT1, encoding sterol O-acyltransferase 1. The protein is localized in the endoplasmic reticulum and catalyzes the formation of cholesteryl esters, an essential component of sebum and meibum. The identified SOAT1:c.1531G > A variant is predicted to change a highly conserved glycine residue within the last transmembrane domain of SOAT1, p.Gly511Arg. In mice, variants in Soat1 or complete knockout of the gene lead to the "hair interior defect" (hid) or abnormal Meibomian glands, respectively. SOAT1:c.1531G > A represents a plausible candidate variant for the observed sebaceous gland dysplasia in both kittens of this study. The variant was not present in 10 additional cats with a similar clinical and histopathological phenotype suggesting genetic heterogeneity. SOAT1 variants should be considered as potential cause in hereditary sebaceous gland dysplasias of humans and domestic animals.
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Affiliation(s)
- Sarah Kiener
- Institute of Genetics, Vetsuisse Faculty, University of Bern, Bremgartenstrasse 109a, 3001, Bern, Switzerland
- Dermfocus, University of Bern, 3001, Bern, Switzerland
| | - Barbara G McMahill
- Pathology Services, IDEXX Reference Laboratories Inc., Lander, WY, 82520, USA
| | - Verena K Affolter
- Department of Pathology, Microbiology, Immunology, School of Veterinary Medicine, University California Davis, Davis, CA, 95616, USA
| | - Monika Welle
- Dermfocus, University of Bern, 3001, Bern, Switzerland
- Institute of Animal Pathology, Vetsuisse Faculty, University of Bern, 3001, Bern, Switzerland
| | - Julie A Yager
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, ON, N1G 2W1, Canada
- School of Veterinary Science, University of Sydney, Sydney, NSW, 2006, Australia
| | - Vidhya Jagannathan
- Institute of Genetics, Vetsuisse Faculty, University of Bern, Bremgartenstrasse 109a, 3001, Bern, Switzerland
| | - Tosso Leeb
- Institute of Genetics, Vetsuisse Faculty, University of Bern, Bremgartenstrasse 109a, 3001, Bern, Switzerland.
- Dermfocus, University of Bern, 3001, Bern, Switzerland.
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Khadria A, Paavola CD, Zhang Y, Davis SPX, Grealish PF, Maslov K, Shi J, Beals JM, Oladipupo SS, Wang LV. Long-Duration and Non-Invasive Photoacoustic Imaging of Multiple Anatomical Structures in a Live Mouse Using a Single Contrast Agent. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2202907. [PMID: 35975459 PMCID: PMC9534965 DOI: 10.1002/advs.202202907] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 07/29/2022] [Indexed: 06/15/2023]
Abstract
Long-duration in vivo simultaneous imaging of multiple anatomical structures is useful for understanding physiological aspects of diseases, informative for molecular optimization in preclinical models, and has potential applications in surgical settings to improve clinical outcomes. Previous studies involving simultaneous imaging of multiple anatomical structures, for example, blood and lymphatic vessels as well as peripheral nerves and sebaceous glands, have used genetically engineered mice, which require expensive and time-consuming methods. Here, an IgG4 isotype control antibody is labeled with a near-infrared dye and injected into a mouse ear to enable simultaneous visualization of blood and lymphatic vessels, peripheral nerves, and sebaceous glands for up to 3 h using photoacoustic microscopy. For multiple anatomical structure imaging, peripheral nerves and sebaceous glands are imaged inside the injected dye-labeled antibody mass while the lymphatic vessels are visualized outside the mass. The efficacy of the contrast agent to label and localize deep medial lymphatic vessels and lymph nodes using photoacoustic computed tomography is demonstrated. The capability of a single injectable contrast agent to image multiple structures for several hours will potentially improve preclinical therapeutic optimization, shorten discovery timelines, and enable clinical treatments.
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Affiliation(s)
- Anjul Khadria
- Caltech Optical Imaging LaboratoryAndrew and Peggy Cherng Department of Medical EngineeringCalifornia Institute of TechnologyPasadenaCA91125USA
| | - Chad D. Paavola
- Lilly Research LaboratoriesEli Lilly and CompanyLilly Corporate CenterIndianapolisIN46285USA
| | - Yang Zhang
- Caltech Optical Imaging LaboratoryAndrew and Peggy Cherng Department of Medical EngineeringCalifornia Institute of TechnologyPasadenaCA91125USA
| | - Samuel P. X. Davis
- Caltech Optical Imaging LaboratoryAndrew and Peggy Cherng Department of Medical EngineeringCalifornia Institute of TechnologyPasadenaCA91125USA
| | - Patrick F. Grealish
- Lilly Research LaboratoriesEli Lilly and CompanyLilly Corporate CenterIndianapolisIN46285USA
| | - Konstantin Maslov
- Caltech Optical Imaging LaboratoryAndrew and Peggy Cherng Department of Medical EngineeringCalifornia Institute of TechnologyPasadenaCA91125USA
| | - Junhui Shi
- Caltech Optical Imaging LaboratoryAndrew and Peggy Cherng Department of Medical EngineeringCalifornia Institute of TechnologyPasadenaCA91125USA
| | - John M. Beals
- Lilly Research LaboratoriesEli Lilly and CompanyLilly Biotechnology CenterSan DiegoCA92121USA
| | - Sunday S. Oladipupo
- Lilly Research LaboratoriesEli Lilly and CompanyLilly Corporate CenterIndianapolisIN46285USA
| | - Lihong V. Wang
- Caltech Optical Imaging LaboratoryAndrew and Peggy Cherng Department of Medical EngineeringCalifornia Institute of TechnologyPasadenaCA91125USA
- Caltech Optical Imaging LaboratoryDepartment of Electrical EngineeringCalifornia Institute of TechnologyPasadenaCA91125USA
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Gu Y, Bian Q, Zhou Y, Huang Q, Gao J. Hair follicle-targeting drug delivery strategies for the management of hair follicle-associated disorders. Asian J Pharm Sci 2022; 17:333-352. [PMID: 35782323 PMCID: PMC9237597 DOI: 10.1016/j.ajps.2022.04.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/30/2022] [Accepted: 04/14/2022] [Indexed: 12/12/2022] Open
Abstract
The hair follicle is not only a critical penetration route in percutaneous absorption but also has been recognized to be a target for hair follicle-associated disorders, such as androgenetic alopecia (AGA) and acne vulgaris. Hair follicle-targeting drug delivery systems allow for controlled drug release and enhance therapeutic efficacy with minimal side effects, exerting a promising method for the management of hair follicle-associated dysfunctions. Therefore, they have obtained much attention in several fields of research in recent years. This review gives an overview of potential follicle-targeting drug delivery formulations currently applied based on the particularities of the hair follicles, including a comprehensive assessment of their preclinical and clinical performance.
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Affiliation(s)
- Yueting Gu
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Qiong Bian
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yanjun Zhou
- Zhejiang Huanling Pharmaceutical Technology Company, Jinhua 321000, China
| | - Qiaoling Huang
- The Third People's Hospital of Hangzhou, Hangzhou 310009, China
| | - Jianqing Gao
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- Jiangsu Engineering Research Center for New-type External and Transdermal Preparations, Changzhou 213149, China
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