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Matamá T, Costa C, Fernandes B, Araújo R, Cruz CF, Tortosa F, Sheeba CJ, Becker JD, Gomes A, Cavaco-Paulo A. Changing human hair fibre colour and shape from the follicle. J Adv Res 2023:S2090-1232(23)00350-8. [PMID: 37967812 DOI: 10.1016/j.jare.2023.11.013] [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: 12/01/2022] [Revised: 09/21/2023] [Accepted: 11/12/2023] [Indexed: 11/17/2023] Open
Abstract
INTRODUCTION Natural hair curvature and colour are genetically determined human traits, that we intentionally change by applying thermal and chemical treatments to the fibre. Presently, those cosmetic methodologies act externally and their recurrent use is quite detrimental to hair fibre quality and even to our health. OBJECTIVES This work represents a disruptive concept to modify natural hair colour and curvature. We aim to model the fibre phenotype as it is actively produced in the follicle through the topical delivery of specific bioactive molecules to the scalp. METHODS Transcriptome differences between curly and straight hairs were identified by microarray. In scalp samples, the most variable transcripts were mapped by in situ hybridization. Then, by using appropriate cellular models, we screened a chemical library of 1200 generic drugs, searching for molecules that could lead to changes in either fibre colour or curvature. A pilot-scale, single-centre, investigator-initiated, prospective, blind, bilateral (split-scalp) placebo-controlled clinical study with the intervention of cosmetics was conducted to obtain a proof of concept (RNEC n.92938). RESULTS We found 85 genes transcribed significantly different between curly and straight hair, not previously associated with this human trait. Next, we mapped some of the most variable genes to the inner root sheath of follicles, reinforcing the role of this cell layer in fibre shape moulding. From the drug library screening, we selected 3 and 4 hits as modulators of melanin synthesis and gene transcription, respectively, to be further tested in 33 volunteers. The intentional specific hair change occurred: 8 of 14 volunteers exhibited colour changes, and 16 of 19 volunteers presented curvature modifications, by the end of the study. CONCLUSION The promising results obtained are the first step towards future cosmetics, complementary or alternative to current methodologies, taking hair styling to a new level: changing hair from the inside out.
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Affiliation(s)
- Teresa Matamá
- CEB - Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal; LABBELS - Associate Laboratory, 4710-057 Braga, Portugal.
| | - Cristiana Costa
- CEB - Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal
| | - Bruno Fernandes
- CEB - Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal
| | - Rita Araújo
- CBMA - Centre of Molecular and Environmental Biology, University of Minho, Campus of Gualtar, 4710-057, Braga, Portugal; CIBIO - Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO - Laboratório Associado, Campus de Vairão, Universidade do Porto, 4485-661 Vairão, Portugal
| | - Célia F Cruz
- CEB - Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal
| | - Francisco Tortosa
- Serviço de Anatomia Patológica, CHLN - Hospital de Santa Maria / Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal; Unidade de Anatomia Patológica, Hospital CUF Descobertas, Rua Mário Botas (Parque das Nações), 1998-018, Lisboa, Portugal
| | - Caroline J Sheeba
- ICVS - Life and Health Sciences Research Institute, University of Minho, 4710-057 Braga, Portugal; NIHR Central Commissioning Facility (CCF), Grange House, 15 Church Street, Twickenham, TW1 3NL, UK
| | - Jörg D Becker
- Instituto Gulbenkian de Ciência, Rua da Quinta Grande 6, Oeiras, 2780-156, Portugal; Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Av. da República, Oeiras, 2780-157, Portugal
| | - Andreia Gomes
- CBMA - Centre of Molecular and Environmental Biology, University of Minho, Campus of Gualtar, 4710-057, Braga, Portugal
| | - Artur Cavaco-Paulo
- CEB - Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal; LABBELS - Associate Laboratory, 4710-057 Braga, Portugal; Solfarcos - Pharmaceutical and Cosmetic Solutions Ltd, Avenida Imaculada Conceição n. 589, 4700-034 Braga, Portugal.
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Jiang S, Hao Z, Qi W, Wang Z, Zhou M, Guo N. The efficacy of topical prostaglandin analogs for hair loss: A systematic review and meta-analysis. Front Med (Lausanne) 2023; 10:1130623. [PMID: 36999072 PMCID: PMC10043424 DOI: 10.3389/fmed.2023.1130623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 02/23/2023] [Indexed: 03/15/2023] Open
Abstract
BackgroundProstaglandin analogs have been found to have more versatile uses: treatment of open-angle glaucoma, high intraocular pressure, vitiligo, and other treatments. And prostaglandin analogs have been found to have an important role in the hair growth cycle. However, prostaglandin analogs have not been sufficiently studied for hair (including hair, eyelashes, and eyebrows) regeneration. In this study, a systematic review and meta-analysis of topical prostaglandin analogs on hair loss was performed.ObjectiveThe purpose of this meta-analysis is to determine the efficacy and safety of topical prostaglandin analogs for treating hair loss.MethodsWe searched PubMed, Embase, and Cochrane Library databases comprehensively. Data were pooled using Review Manager 5.4.1, and subgroup analyses were performed if necessary.ResultsThere were six randomized controlled trials included in this meta-analysis. All studies compared prostaglandin analogs with placebo, and one trial consisted of two sets of data. The results showed that prostaglandin analogs could significantly improve the hair length and density (p < 0.001). As far as adverse events are concerned, there was no significant difference between the experimental group and the control group.ConclusionIn patients with hair loss, the topical prostaglandin analogs have better therapeutic efficacy and safety than placebo. However, the best dose and frequency of experimental treatment require further studies.
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Cheng H, Liu F, Zhou M, Chen S, Huang H, Liu Y, Zhao X, Zhang Q, Zhou X, Li Z, Cai H. Enhancement of hair growth through stimulation of hair follicle stem cells by prostaglandin E2 collagen matrix. Exp Cell Res 2022; 421:113411. [PMID: 36351501 DOI: 10.1016/j.yexcr.2022.113411] [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: 07/29/2022] [Revised: 10/02/2022] [Accepted: 11/04/2022] [Indexed: 11/07/2022]
Abstract
Prostaglandin metabolism is involved in the regulation of the periodic process of hair follicles. Preliminary research data reported that prostaglandin E2 (PGE2) exhibits potential in hair growth. However, the relevant evidence is still insufficient. Herein, we prepared a PGE2 matrix by conjugating PGE2 with collagen via crosslinkers to avoid rapid degradation of PGE2 molecules in vivo. First, we measured the physical properties of the PGE2 matrix. A mouse model of hair loss was established, and PGE2 matrix subcutaneous injection was applied to evaluate hair growth. Under different treatments with the PGE2 matrix, the morphology of hair follicles, the dynamic expression of hair follicle stem cell markers and key regulators in the hair growth cycle were explored. Our data revealed that the PGE2 matrix increased the proportion of developing hair follicles at the early growth stage. Improvements in hair follicle stem cells, such as Sox9+ and Lgr5+ cells, have also been confirmed as therapeutic effects of PGE2 to stimulate hair follicle growth. Our study indicated that PGE2 exhibits effective roles in hair development during anagen. Furthermore, the results also highlight the potential of the PGE2 delivery system as a novel therapeutic strategy for the treatment of hair disorders in the future.
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Affiliation(s)
- Hui Cheng
- Nankai University School of Medicine, Tianjin, China; The Key Laboratory of Bioactive Materials, Ministry of Education, Nankai University, The College of Life Sciences, Tianjin, China; Tianjin Key Laboratory of Human Development and Reproductive Regulation, Tianjin Central Hospital of Gynecology Obstetrics, Nankai University Affiliated Hospital of Obstetrics and Gynecology, Tianjin, China
| | - Fei Liu
- Department of Urology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Manqian Zhou
- Department of Radiation Oncology, Tianjin Union Medical Center, Nankai University, Tianjin, China
| | - Shang Chen
- Nankai University School of Medicine, Tianjin, China
| | - Haoyan Huang
- Nankai University School of Medicine, Tianjin, China
| | - Yue Liu
- Nankai University School of Medicine, Tianjin, China
| | - Xiaotong Zhao
- Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang Medical University, Xinxiang, China
| | - Qiaonan Zhang
- Nankai University School of Medicine, Tianjin, China
| | - Xinrun Zhou
- Nankai University School of Medicine, Tianjin, China
| | - Zongjin Li
- Nankai University School of Medicine, Tianjin, China; The Key Laboratory of Bioactive Materials, Ministry of Education, Nankai University, The College of Life Sciences, Tianjin, China; Tianjin Key Laboratory of Human Development and Reproductive Regulation, Tianjin Central Hospital of Gynecology Obstetrics, Nankai University Affiliated Hospital of Obstetrics and Gynecology, Tianjin, China; Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang Medical University, Xinxiang, China; State Key Laboratory of Kidney Diseases, Chinese PLA General Hospital, Beijing, China.
| | - Hong Cai
- Department of Dermatology, Air Force Medical Center, PLA, Beijing, China.
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Shin DW. The physiological and pharmacological roles of prostaglandins in hair growth. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2022; 26:405-413. [PMID: 36302616 PMCID: PMC9614392 DOI: 10.4196/kjpp.2022.26.6.405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/12/2022] [Accepted: 10/12/2022] [Indexed: 11/07/2022]
Abstract
Hair loss is a common status found among people of all ages. Since the role of hair is much more related to culture and individual identity, hair loss can have a great influence on well-being and quality of life. It is a disorder that is observed in only scalp patients with androgenetic alopecia (AGA) or alopecia areata caused by stress or immune response abnormalities. Food and Drug Administration (FDA)-approved therapeutic medicines such as finasteride, and minoxidil improve hair loss temporarily, but when they stop, they have a limitation in that hair loss occurs again. As an alternative strategy for improving hair growth, many studies reported that there is a relationship between the expression levels of prostaglandins (PGs) and hair growth. Four major PGs such as prostaglandin D2 (PGD2), prostaglandin I2 (PGI2), prostaglandin E2 (PGE2), and prostaglandin F2 alpha (PGF2α) are spatiotemporally expressed in hair follicles and are implicated in hair loss. This review investigated the physiological roles and pharmacological interventions of the PGs in the pathogenesis of hair loss and provided these novel insights for clinical therapeutics for patients suffering from alopecia.
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Affiliation(s)
- Dong Wook Shin
- College of Biomedical and Health Science, Konkuk University, Chungju 27478, Korea,Correspondence Dong Wook Shin, E-mail:
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Glycyrrhizic Acid Alleviates Lipopolysaccharide (LPS)-Induced Acute Lung Injury by Regulating Angiotensin-Converting Enzyme-2 (ACE2) and Caveolin-1 Signaling Pathway. Inflammation 2021; 45:253-266. [PMID: 34427852 DOI: 10.1007/s10753-021-01542-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 08/08/2021] [Accepted: 08/10/2021] [Indexed: 10/20/2022]
Abstract
Acute lung injury (ALI) is mainly caused by severe infection, shock, trauma, and burn, which causes the extensive release of inflammatory factors and other mediators. As a major bioactive constituent of traditional Chinese herb licorice, glycyrrhizic acid (GA) plays an important effect on inflammatory regulation. Nevertheless, the exact mechanism of this effect remains unclear. The present study aims to explore the potential protective effect of GA on LPS-induced ALI. Our results showed that GA significantly attenuated LPS-induced ALI and decreased the production of inflammatory factors, including IL-1β, MCP-1, COX2, HMGB1, and adhesion molecules, such as E-selectin, VCAM-1, and modulated expression of angiotensin-converting enzyme 2 (ACE2). Moreover, treatment of ACE2 inhibitor (MLN-4760) reversed the effects of GA on the secretion of pro-inflammatory factors in ALI. Additionally, GA exerts its protective effect by regulating the ACE2 and caveolin-1/NF-κB signaling pathway. In conclusion, this study showed that GA alleviated LPS-induced ALI by upregulating ACE2 and inhibiting the caveolin-1/NF-κB signaling pathway.
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Reduced levels of prostaglandin I 2 synthase: a distinctive feature of the cancer-free trichothiodystrophy. Proc Natl Acad Sci U S A 2021; 118:2024502118. [PMID: 34155103 DOI: 10.1073/pnas.2024502118] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The cancer-free photosensitive trichothiodystrophy (PS-TTD) and the cancer-prone xeroderma pigmentosum (XP) are rare monogenic disorders that can arise from mutations in the same genes, namely ERCC2/XPD or ERCC3/XPB Both XPD and XPB proteins belong to the 10-subunit complex transcription factor IIH (TFIIH) that plays a key role in transcription and nucleotide excision repair, the DNA repair pathway devoted to the removal of ultraviolet-induced DNA lesions. Compelling evidence suggests that mutations affecting the DNA repair activity of TFIIH are responsible for the pathological features of XP, whereas those also impairing transcription give rise to TTD. By adopting a relatives-based whole transcriptome sequencing approach followed by specific gene expression profiling in primary fibroblasts from a large cohort of TTD or XP cases with mutations in ERCC2/XPD gene, we identify the expression alterations specific for TTD primary dermal fibroblasts. While most of these transcription deregulations do not impact on the protein level, very low amounts of prostaglandin I2 synthase (PTGIS) are found in TTD cells. PTGIS catalyzes the last step of prostaglandin I2 synthesis, a potent vasodilator and inhibitor of platelet aggregation. Its reduction characterizes all TTD cases so far investigated, both the PS-TTD with mutations in TFIIH coding genes as well as the nonphotosensitive (NPS)-TTD. A severe impairment of TFIIH and RNA polymerase II recruitment on the PTGIS promoter is found in TTD but not in XP cells. Thus, PTGIS represents a biomarker that combines all PS- and NPS-TTD cases and distinguishes them from XP.
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Chovarda E, Sotiriou E, Lazaridou E, Vakirlis E, Ioannides D. The role of prostaglandins in androgenetic alopecia. Int J Dermatol 2021; 60:730-735. [PMID: 33528035 DOI: 10.1111/ijd.15378] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 10/06/2020] [Accepted: 12/01/2020] [Indexed: 01/01/2023]
Abstract
BACKGROUND Though androgenetic alopecia (AGA) is one of the most common diseases affecting both sexes and all races, its pathogenesis is not completely clarified. The aim of this study was to investigate the role of the four major prostaglandins (PGs) (PGE2 , PGD2 , PGF2α , and PI2 or prostacyclin) in the pathogenesis of AGA in males and females. METHODS Human scalp biopsies were obtained from 30 adults (17 males and 13 females) suffering from AGA and from 30 healthy adults (18 males and 12 females). In each subject, two skin biopsies were performed, one from the frontal bald area and another one from the occipital area with normal hair growth. In the healthy group, biopsies were taken from both areas too. In each sample, all four PGs were measured. RESULTS In the patient group, PGD2 and prostacyclin or PGI2 levels were increased in bald compared to haired scalp. On the contrary, measurements of PGE2 and PGF2α showed that they were diminished in bald areas compared to haired areas. PG levels in healthy samples were comparable to the haired areas. CONCLUSION These results support that there is a fine balance between these four proteins in scalp hair follicles, and its maintenance may be crucial for hair growth. Furthermore, their receptors could be potential targets for treatment of AGA.
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Affiliation(s)
- Eleni Chovarda
- First Department of Dermatology-Venereology, Aristotle University, State Hospital of Skin and Venereal Diseases, Thessaloniki, Greece
| | - Eleni Sotiriou
- First Department of Dermatology-Venereology, Aristotle University, State Hospital of Skin and Venereal Diseases, Thessaloniki, Greece
| | - Elizabeth Lazaridou
- First Department of Dermatology-Venereology, Aristotle University, State Hospital of Skin and Venereal Diseases, Thessaloniki, Greece
| | - Efstratios Vakirlis
- First Department of Dermatology-Venereology, Aristotle University, State Hospital of Skin and Venereal Diseases, Thessaloniki, Greece
| | - Demetrios Ioannides
- First Department of Dermatology-Venereology, Aristotle University, State Hospital of Skin and Venereal Diseases, Thessaloniki, Greece
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Wu Z, Hai E, Di Z, Ma R, Shang F, Wang Y, Wang M, Liang L, Rong Y, Pan J, Wu W, Su R, Wang Z, Wang R, Zhang Y, Li J. Using WGCNA (weighted gene co-expression network analysis) to identify the hub genes of skin hair follicle development in fetus stage of Inner Mongolia cashmere goat. PLoS One 2020; 15:e0243507. [PMID: 33351808 PMCID: PMC7755285 DOI: 10.1371/journal.pone.0243507] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 11/20/2020] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVE Mature hair follicles represent an important stage of hair follicle development, which determines the stability of hair follicle structure and its ability to enter the hair cycle. Here, we used weighted gene co-expression network analysis (WGCNA) to identify hub genes of mature skin and hair follicles in Inner Mongolian cashmere goats. METHODS We used transcriptome sequencing data for the skin of Inner Mongolian cashmere goats from fetal days 45-135 days, and divided the co expressed genes into different modules by WGCNA. Characteristic values were used to screen out modules that were highly expressed in mature skin follicles. Module hub genes were then selected based on the correlation coefficients between the gene and module eigenvalue, gene connectivity, and Gene Ontology (GO)/Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis. The results were confirmed by quantitative polymerase chain reaction (qPCR). RESULTS Ten modules were successfully defined, of which one, with a total of 3166 genes, was selected as a specific module through sample and gene expression pattern analyses. A total of 584 candidate hub genes in the module were screened by the correlation coefficients between the genes and module eigenvalue and gene connectivity. Finally, GO/KEGG functional enrichment analyses detected WNT10A as a key gene in the development and maturation of skin hair follicles in fetal Inner Mongolian cashmere goats. qPCR showed that the expression trends of 13 genes from seven fetal skin samples were consistent with the sequencing results, indicating that the sequencing results were reliable.n.
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Affiliation(s)
- Zhihong Wu
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Erhan Hai
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Zhengyang Di
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Rong Ma
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Fangzheng Shang
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Yu Wang
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Min Wang
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Lili Liang
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Youjun Rong
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Jianfeng Pan
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Wenbin Wu
- Zhenlai Hehe Animal Husbandry Development Co., Ltd, Baicheng, China
| | - Rui Su
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Zhiying Wang
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Ruijun Wang
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Yanjun Zhang
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
- Engineering Research Center for Goat Genetics and Breeding, Hohhot, Inner Mongolia Autonomous Region, China
- * E-mail: (JL); , (YZ)
| | - Jinquan Li
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
- Key Laboratory of Animal Genetics, Breeding and Reproduction, Hohhot, Inner Mongolia Autonomous Region, China
- Key Laboratory of Mutton Sheep Genetics and Breeding, Ministry of Agriculture, Hohhot, China
- Engineering Research Center for Goat Genetics and Breeding, Hohhot, Inner Mongolia Autonomous Region, China
- * E-mail: (JL); , (YZ)
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Deaton DN, Do Y, Holt J, Jeune MR, Kramer HF, Larkin AL, Orband-Miller LA, Peckham GE, Poole C, Price DJ, Schaller LT, Shen Y, Shewchuk LM, Stewart EL, Stuart JD, Thomson SA, Ward P, Wilson JW, Xu T, Guss JH, Musetti C, Rendina AR, Affleck K, Anders D, Hancock AP, Hobbs H, Hodgson ST, Hutchinson J, Leveridge MV, Nicholls H, Smith IE, Somers DO, Sneddon HF, Uddin S, Cleasby A, Mortenson PN, Richardson C, Saxty G. The discovery of quinoline-3-carboxamides as hematopoietic prostaglandin D synthase (H-PGDS) inhibitors. Bioorg Med Chem 2019; 27:1456-1478. [DOI: 10.1016/j.bmc.2019.02.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 01/30/2019] [Accepted: 02/08/2019] [Indexed: 11/30/2022]
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Alonso MR, Damonte SP, Anesini C. Jarilla-Coffea extract: a natural cosmetic product that improves eyelash and eyebrow growth in women. Clin Cosmet Investig Dermatol 2019; 12:47-55. [PMID: 30666142 PMCID: PMC6330964 DOI: 10.2147/ccid.s182497] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Purpose A combination of extracts, from two plant species, ie, Coffea arabica and Larrea divaricata (Jarilla) (ECOHAIR®), is being successfully used in Argentina as a cosmetic for hair recovery in androgenic and areata alopecia, and for eyelash and eyebrow growth. The objectives of this prospective study were to evaluate the capacity of Jarilla–Coffea extract gel of improving hair growth in relation to thickness, appearance of new hair, and hair length in comparison with a placebo in premenopausal and postmenopausal volunteers and to identify possible signs of ocular adverse local reactions related to the application of the gel. Volunteers and methods An open-label, placebo-controlled, prospective study was performed in healthy premenopausal and postmenopausal women during a daily administration period of 2 months (eyebrow growth) and 3 months (eyelash growth). The thickness of hair was determined using a video microscope MedicalScope®. The appearance of new hairs and total area with hair in eyebrow and eyelash length were quantified using a photographic record with Fotofinder® (Germany). The number of volunteers presenting variation in growth of new hair and length were also recorded. Results The product significantly increased the thickness of eyebrows (20% in 80% women) and eyelashes (19.44% in 100% of women). The gel also increased the appearance of new hairs, total area with hair, and length but there was no statistical difference between treatment and placebo. Conclusion The gel was capable of improving growth of eyelashes and eyebrows by inducing principally hair thickening without causing local adverse effects in a high percentage of volunteers.
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Affiliation(s)
- María Rosario Alonso
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Química y Metabolismo del Fármaco (IQUIMEFA), Department of Pharmacology, Facultad de Farmacia y Bioquímica, Buenos Aires, Argentina,
| | - Silvia Pérez Damonte
- CLAIM, José Bonifacio 717 (C1424 CHO) Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
| | - Claudia Anesini
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Química y Metabolismo del Fármaco (IQUIMEFA), Department of Pharmacology, Facultad de Farmacia y Bioquímica, Buenos Aires, Argentina,
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Dermatology today and tomorrow: from symptom control to targeted therapy. J Eur Acad Dermatol Venereol 2018; 33 Suppl 1:3-36. [DOI: 10.1111/jdv.15335] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 11/05/2018] [Indexed: 02/07/2023]
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Stimulation of mouse vibrissal follicle growth by recombinant human fibroblast growth factor 20. Biotechnol Lett 2018; 40:1009-1014. [DOI: 10.1007/s10529-018-2554-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Accepted: 04/10/2018] [Indexed: 01/21/2023]
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