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Du F, Li J, Zhang S, Zeng X, Nie J, Li Z. Oxidative stress in hair follicle development and hair growth: Signalling pathways, intervening mechanisms and potential of natural antioxidants. J Cell Mol Med 2024; 28:e18486. [PMID: 38923380 PMCID: PMC11196958 DOI: 10.1111/jcmm.18486] [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: 02/08/2024] [Revised: 05/02/2024] [Accepted: 05/28/2024] [Indexed: 06/28/2024] Open
Abstract
Hair follicle development and hair growth are regulated by multiple factors and multiple signalling pathways. The hair follicle, as an important skin appendage, is the basis for hair growth, and it has the functions of safeguarding the body, perceiving the environment and regulating body temperature. Hair growth undergoes a regular hair cycle, including anagen, catagen and telogen. A small amount of physiological shedding of hair occurs under normal conditions, always in a dynamic equilibrium. Hair loss occurs when the skin or hair follicles are stimulated by oxidative stress, inflammation or hormonal disorders that disrupt the homeostasis of the hair follicles. Numerous researches have indicated that oxidative stress is an important factor causing hair loss. Here, we summarize the signalling pathways and intervention mechanisms by which oxidative stress affects hair follicle development and hair growth, discuss existing treatments for hair loss via the antioxidant pathway and provide our own insights. In addition, we collate antioxidant natural products promoting hair growth in recent years and discuss the limitations and perspectives of current hair loss prevention and treatment.
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Affiliation(s)
- Fanpan Du
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of EducationZunyi Medical UniversityZunyiChina
- Key Laboratory of Basic Pharmacology of Guizhou ProvinceZunyi Medical UniversityZunyiChina
- Department of Pharmacology, School of PharmacyZunyi Medical UniversityZunyiChina
| | - Jingjie Li
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of EducationZunyi Medical UniversityZunyiChina
- Key Laboratory of Basic Pharmacology of Guizhou ProvinceZunyi Medical UniversityZunyiChina
- Department of Pharmacology, School of PharmacyZunyi Medical UniversityZunyiChina
| | - Shiqian Zhang
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of EducationZunyi Medical UniversityZunyiChina
- Key Laboratory of Basic Pharmacology of Guizhou ProvinceZunyi Medical UniversityZunyiChina
- Department of Pharmacology, School of PharmacyZunyi Medical UniversityZunyiChina
| | - Xuemei Zeng
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of EducationZunyi Medical UniversityZunyiChina
- Key Laboratory of Basic Pharmacology of Guizhou ProvinceZunyi Medical UniversityZunyiChina
- Department of Pharmacology, School of PharmacyZunyi Medical UniversityZunyiChina
| | - Jing Nie
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of EducationZunyi Medical UniversityZunyiChina
- Key Laboratory of Basic Pharmacology of Guizhou ProvinceZunyi Medical UniversityZunyiChina
- Department of Pharmacology, School of PharmacyZunyi Medical UniversityZunyiChina
| | - Zheng Li
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of EducationZunyi Medical UniversityZunyiChina
- Key Laboratory of Basic Pharmacology of Guizhou ProvinceZunyi Medical UniversityZunyiChina
- Department of Pharmacology, School of PharmacyZunyi Medical UniversityZunyiChina
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Park PJ, Mondal H, Pi BS, Kim ST, Jee JP. The effect of oxygen supply using perfluorocarbon-based nanoemulsions on human hair growth. J Mater Chem B 2024; 12:991-1000. [PMID: 38193597 DOI: 10.1039/d3tb02237d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
Hair dermal papilla cells (hDPCs) play a crucial role in hair growth and regeneration, and their function is influenced by nutrient and oxygen supply. A microenvironment with significantly low oxygen (O2) levels, known as anoxic conditions (<0.2%) due to oxygen deficiency, hinders hDPC promotion and retards hair regrowth. Here, a nanoemulsion (NE) based on perfluorooctyl bromide (PFOB), a member of the perfluorocarbon family, is presented to provide a sustainable O2 supply and maintain physical stability in vitro. The PFOB-NE has been shown to continuously release oxygen for 36 h, increasing and maintaining the O2 concentration in the anoxic microenvironment of up to 0.8%. This sustainable O2 supply using PFOB-NE has promoted hDPC growth and also induced a complex cascade of effects. These effects encompass regulation via inhibiting lactate accumulation caused via oxygen deficiency, increasing lactate dehydrogenase activity, and promoting the expression of genes, such as the hypoxia-inducible factor 1 family and NADPH oxidase 4 under anoxic conditions. Sustained O2 supply is shown to enhance human hair organ elongation approximately four times compared to the control under anoxic conditions. In conclusion, the perfluorocarbon-based NE containing oxygen proves to be an important strategic tool for improving hair growth and alleviating hair loss.
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Affiliation(s)
- Phil June Park
- Basic Research & Innovation Division, AMOREPACIFIC R&I Center, Gyeonggi-do, 17074, Republic of Korea
| | - Himangsu Mondal
- College of Pharmacy, Chosun University, Gwangju, 61452, Republic of Korea
| | - Bong Soo Pi
- Basic Research & Innovation Division, AMOREPACIFIC R&I Center, Gyeonggi-do, 17074, Republic of Korea
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Sung Tae Kim
- Department of Pharmaceutical Engineering/Department of Nanoscience and Engineering, Inje University, Gyeongsangnam-do, 50834, Republic of Korea
| | - Jun-Pil Jee
- College of Pharmacy, Chosun University, Gwangju, 61452, Republic of Korea
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Stolecka‐Warzecha A, Wilczyński S, Bożek M, Libionka S, Chmielewski Ł. Assessment of the photoprotection properties of hair cosmetics using the hemispherical directional reflectance method. Skin Res Technol 2023; 29:e13443. [PMID: 37881048 PMCID: PMC10577393 DOI: 10.1111/srt.13443] [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: 06/26/2023] [Accepted: 08/09/2023] [Indexed: 10/27/2023]
Abstract
BACKGROUND Solar radiation is responsible for changes in the structure of human hair, the damages include proteins (65%-95%), lipids, and melanin. The aim was to examine the effectiveness of sunscreen in hair cosmetics and whether hair color affects it. MATERIALS AND METHODS The study included nine women, divided according to hair color to three groups: light, dark, and gray hair. The 410-Solar reflectometer was used in five time points. The hair was divided into three strands, one product applied to each. RESULTS Dark hair showed the highest absorption of radiation in all wavelength ranges, the reflectance before products application was significantly higher than the hair reflectance immediately after application. The effect of sunscreens on light hair reflectance was found at wavelengths 400 and 720 nm and between 1000 and 2500 nm, the reflectance before application was significantly higher than the reflectance after. The use of products on gray hair did not have a significant effect on hair reflectance at wavelengths 400-1100 nm, the effect of sunscreens on the gray hair reflectance was observed in the UV and infrared range, the reflectance before application was significantly higher than immediately after. CONCLUSIONS The results showed that the 410-Solar reflectometer is useful to assess the effectiveness of hair sunscreens. All three tested hair products do not show the expected protection properties. Dark hair showed the highest absorption of radiation in all wavelength ranges, suggesting that dark hair should be more protected against radiation than light and gray hair.
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Affiliation(s)
- Anna Stolecka‐Warzecha
- Department of Basic Biomedical Science, Faculty of Pharmaceutical SciencesMedical University of Silesia in KatowiceSosnowiecPoland
| | - Sławomir Wilczyński
- Department of Basic Biomedical Science, Faculty of Pharmaceutical SciencesMedical University of Silesia in KatowiceSosnowiecPoland
| | - Małgorzata Bożek
- Department of Basic Biomedical Science, Faculty of Pharmaceutical SciencesMedical University of Silesia in KatowiceSosnowiecPoland
| | - Sylwia Libionka
- Department of Basic Biomedical Science, Faculty of Pharmaceutical SciencesMedical University of Silesia in KatowiceSosnowiecPoland
| | - Łukasz Chmielewski
- Department of Motion Organ Reconstruction SurgeryProvincial Specialist Hospital MegrezTychyPoland
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Integrative and Mechanistic Approach to the Hair Growth Cycle and Hair Loss. J Clin Med 2023; 12:jcm12030893. [PMID: 36769541 PMCID: PMC9917549 DOI: 10.3390/jcm12030893] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 01/16/2023] [Accepted: 01/20/2023] [Indexed: 01/24/2023] Open
Abstract
The hair cycle is composed of four primary phases: anagen, catagen, telogen, and exogen. Anagen is a highly mitotic phase characterized by the production of a hair shaft from the hair follicle, whereas catagen and telogen describe regression and the resting phase of the follicle, respectively, ultimately resulting in hair shedding. While 9% of hair follicles reside in telogen at any time, a variety of factors promote anagen to telogen transition, including inflammation, hormones, stress, nutritional deficiency, poor sleep quality, and cellular division inhibiting medication. Conversely, increased blood flow, direct stimulation of the hair follicle, and growth factors promote telogen to anagen transition and subsequent hair growth. This review seeks to comprehensively describe the hair cycle, anagen and telogen balance, factors that promote anagen to telogen transition and vice versa, and the clinical utility of a variety of lab testing and evaluations. Ultimately, a variety of factors impact the hair cycle, necessitating a holistic approach to hair loss.
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Drake L, Reyes-Hadsall S, Martinez J, Heinrich C, Huang K, Mostaghimi A. Evaluation of the Safety and Effectiveness of Nutritional Supplements for Treating Hair Loss: A Systematic Review. JAMA Dermatol 2023; 159:79-86. [PMID: 36449274 DOI: 10.1001/jamadermatol.2022.4867] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Importance Despite the widespread use of nutritional supplements and dietary interventions for treating hair loss, the safety and effectiveness of available products remain unclear. Objective To evaluate and compile the findings of all dietary and nutritional interventions for treatment of hair loss among individuals without a known baseline nutritional deficiency. Evidence Review The MEDLINE, Embase, and CINAHL databases were searched from inception through October 20, 2021, to identify articles written in English with original findings from investigations of dietary and nutritional interventions in individuals with alopecia or hair loss without a known baseline nutritional deficiency. Quality was assessed with Oxford Centre for Evidence Based Medicine criteria. Outcomes of interest were disease course, both objectively and subjectively measured. Data were evaluated from January 3 to 11, 2022. Findings The database searches yielded 6347 citations to which 11 articles from reference lists were added. Of this total, 30 articles were included: 17 randomized clinical trials (RCTs), 11 clinical studies (non-RCT), and 2 case series studies. No diet-based interventional studies met inclusion criteria. Studies of nutritional interventions with the highest-quality evidence showed the potential benefit of Viviscal, Nourkrin, Nutrafol, Lamdapil, Pantogar, capsaicin and isoflavone, omegas 3 and 6 with antioxidants, apple nutraceutical, total glucosides of paeony and compound glycyrrhizin tablets, zinc, tocotrienol, and pumpkin seed oil. Kimchi and cheonggukjang, vitamin D3, and Forti5 had low-quality evidence for disease course improvement. Adverse effects were rare and mild for all the therapies evaluated. Conclusions and Relevance The findings of this systematic review should be interpreted in the context of each study's design; however, this work suggests a potential role for nutritional supplements in the treatment of hair loss. Physicians should engage in shared decision-making by covering the potential risks and benefits of these treatments with patients experiencing hair loss. Future research should focus on larger RCTs with active comparators.
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Affiliation(s)
- Lara Drake
- Tufts University School of Medicine, Boston, Massachusetts
| | | | - Jeremy Martinez
- Department of Dermatology, Harvard Medical School, Boston, Massachusetts
| | | | - Kathie Huang
- Department of Dermatology, Harvard Medical School, Boston, Massachusetts
- Department of Dermatology, Brigham and Women's Hospital, Boston, Massachusetts
| | - Arash Mostaghimi
- Department of Dermatology, Harvard Medical School, Boston, Massachusetts
- Department of Dermatology, Brigham and Women's Hospital, Boston, Massachusetts
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Evaluation of Tolerance and Trichological Efficacy of a Food Supplement in Men and Women with Telogen Effluvium-like Disorder. COSMETICS 2022. [DOI: 10.3390/cosmetics9060135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Hair thinning is a very common problem in dermatology, affecting both men and women, and can strongly impact the quality of life of subjects. In this view, therapies that aim to reduce the appearance of thinning by delaying, arresting, or reversing the course of hair thinning are highly desirable. A novel nutraceutical product (NS) containing active botanicals, a patented composition comprising rutin and polyunsaturated fatty acids (PUFAs), zinc, biotin, and ornithine, has been developed to improve hair growth in subjects with hair thinning. Sixty subjects with telogen effluvium-like hair loss were randomized 1:1 in two groups (NS vs. placebo) and treated for three months and evaluated at the baseline visit (T0), and after 15 days (T1) and one (T2), two (T3), and three (T4) months of treatment. Two follow-up visits one month (T5) and two months after the last assumption (T6) were also included in the protocol. Subjects were evaluated for the percentage of hair in the anagen phase, density of hair in the anagen phase (n/cm2), vellus hair (miniaturized, smaller, and thinner hair), and the entity of hair loss in the telogen phase (pull test). NS supplementation produced a statistically significant (p < 0.05) increase in anagen hair and hair density versus baseline from 15 days (T1) of treatment and this effect was not detectable for placebo. Moreover, a clinically/statistically significant (p < 0.05) decrease in vellus hair was also reported, suggesting not only a rapid reduction of the process of miniaturization of the hair but also a transformation of vellus hair into terminal hair. The NS treatment also showed a significant (p < 0.05) increase in tensile strength till T6 (vs. placebo). A higher percentage of subjects who took the NS noted a reduction in daily hair loss, an increase in brightness, and the presence of stronger hair. No side effects were reported. The present study confirms the clinical efficacy and safety of novel nutraceutical supplements in men and women with hair thinning, acting as a multi-targeted therapeutic approach to hair thinning due to TE-like phenomena.
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Piccini I, Sousa M, Altendorf S, Jimenez F, Rossi A, Funk W, Bíró T, Paus R, Seibel J, Jakobs M, Yesilkaya T, Edelkamp J, Bertolini M. Intermediate Hair Follicles from Patients with Female Pattern Hair Loss Are Associated with Nutrient Insufficiency and a Quiescent Metabolic Phenotype. Nutrients 2022; 14:nu14163357. [PMID: 36014862 PMCID: PMC9416027 DOI: 10.3390/nu14163357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 11/28/2022] Open
Abstract
Female pattern hair loss (FPHL) is a non-scarring alopecia resulting from the progressive conversion of the terminal (t) scalp hair follicles (HFs) into intermediate/miniaturized (i/m) HFs. Although data supporting nutrient deficiency in FPHL HFs are lacking, therapeutic strategies are often associated with nutritional supplementation. Here, we show by metabolic analysis that selected nutrients important for hair growth such as essential amino acids and vitamins are indeed decreased in affected iHFs compared to tHFs in FPHL scalp skin, confirming nutrient insufficiency. iHFs also displayed a more quiescent metabolic phenotype, as indicated by altered metabolite abundance in freshly collected HFs and release/consumption during organ culture of products/substrates of TCA cycle, aerobic glycolysis, and glutaminolysis. Yet, as assessed by exogenous nutrient supplementation ex vivo, nutrient uptake mechanisms are not impaired in affected FPHL iHFs. Moreover, blood vessel density is not diminished in iHFs versus tHFs, despite differences in tHFs from different FPHL scalp locations or versus healthy scalp or changes in the expression of angiogenesis-associated growth factors. Thus, our data reveal that affected iHFs in FPHL display a relative nutrient insufficiency and dormant metabolism, but are still capable of absorbing nutrients, supporting the potential of nutritional supplementation as an adjunct therapy for FPHL.
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Affiliation(s)
- Ilaria Piccini
- Monasterium Laboratory Skin & Hair Research Solutions GmbH, 48149 Münster, Germany
| | - Marta Sousa
- Monasterium Laboratory Skin & Hair Research Solutions GmbH, 48149 Münster, Germany
| | - Sabrina Altendorf
- Monasterium Laboratory Skin & Hair Research Solutions GmbH, 48149 Münster, Germany
| | - Francisco Jimenez
- Mediteknia Hair Transplant Clinic and Hair Lab, Universidad Fernando Pessoa Canarias, Gran Canaria, Canary Islands, 35450 Guía, Spain
| | - Alfredo Rossi
- Department of Clinical Internal Anesthesiological and Cardiovascular Sciences, “Sapienza” University of Rome, 00161 Rome, Italy
| | | | - Tamás Bíró
- Monasterium Laboratory Skin & Hair Research Solutions GmbH, 48149 Münster, Germany
| | - Ralf Paus
- Monasterium Laboratory Skin & Hair Research Solutions GmbH, 48149 Münster, Germany
- Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | | | | | | | - Janin Edelkamp
- Monasterium Laboratory Skin & Hair Research Solutions GmbH, 48149 Münster, Germany
| | - Marta Bertolini
- Monasterium Laboratory Skin & Hair Research Solutions GmbH, 48149 Münster, Germany
- Correspondence: ; Tel.: +49-(0)251-93263-080
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Naeem Z, Zukunft S, Günther S, Liebner S, Weigert A, Hammock BD, Frömel T, Fleming I. Role of the soluble epoxide hydrolase in the hair follicle stem cell homeostasis and hair growth. Pflugers Arch 2022; 474:1021-1035. [PMID: 35648219 PMCID: PMC9393123 DOI: 10.1007/s00424-022-02709-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 05/18/2022] [Accepted: 05/19/2022] [Indexed: 11/29/2022]
Abstract
Polyunsaturated fatty acids (PUFAs) are used as traditional remedies to treat hair loss, but the mechanisms underlying their beneficial effects are not well understood. Here, we explored the role of PUFA metabolites generated by the cytochrome P450/soluble epoxide hydrolase (sEH) pathway in the regulation of the hair follicle cycle. Histological analysis of the skin from wild-type and sEH−/− mice revealed that sEH deletion delayed telogen to anagen transition, and the associated activation of hair follicle stem cells. Interestingly, EdU labeling during the late anagen stage revealed that hair matrix cells from sEH−/− mice proliferated at a greater rate which translated into increased hair growth. Similar effects were observed in in vitro studies using hair follicle explants, where a sEH inhibitor was also able to augment whisker growth in follicles from wild-type mice. sEH activity in the dorsal skin was not constant but altered with the cell cycle, having the most prominent effects on levels of the linoleic acid derivatives 12,13-epoxyoctadecenoic acid (12,13-EpOME), and 12,13-dihydroxyoctadecenoic acid (12,13-DiHOME). Fitting with this, the sEH substrate 12,13-EpOME significantly increased hair shaft growth in isolated anagen stage hair follicles, while its diol; 12,13-DiHOME, had no effect. RNA sequencing of isolated hair matrix cells implicated altered Wnt signaling in the changes associated with sEH deletion. Taken together, our data indicate that the activity of the sEH in hair follicle changes during the hair follicle cycle and impacts on two stem cell populations, i.e., hair follicle stem cells and matrix cells to affect telogen to anagen transition and hair growth.
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Affiliation(s)
- Zumer Naeem
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany
| | - Sven Zukunft
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany
| | - Stephan Günther
- Bioinformatics and Deep Sequencing Platform, Max Planck Institute for Heart and Lung Research, 61231, Bad Nauheim, Germany
| | - Stefan Liebner
- Institute of Neurology (Edinger-Institute), Goethe-University Frankfurt, 60528, Frankfurt am Main, Germany
| | - Andreas Weigert
- Institute of Biochemistry I, Goethe-University Frankfurt, 60590, Frankfurt am Main, Germany
| | - Bruce D Hammock
- Department of Entomology and Nematology and Comprehensive Cancer Center, University of California, Davis, CA, USA
| | - Timo Frömel
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany
| | - Ingrid Fleming
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany. .,German Center of Cardiovascular Research (DZHK), Partner site RheinMain, Frankfurt am Main, Germany.
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9
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New Hair Growth Cream Formulation with Cocoa Pod Peel (Theobroma cacao L.). ScientificWorldJournal 2022; 2022:2299725. [PMID: 35320948 PMCID: PMC8938051 DOI: 10.1155/2022/2299725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 01/12/2022] [Indexed: 11/17/2022] Open
Abstract
Our previous study verified that the waste skin of cocoa (Theobroma cacao L) fruit or waste cocoa pod husks had the efficacy to overcome hair loss or alopecia. This study aims to determine the formula and activity of hair cream of cocoa pod peel water fraction, which is effective in stimulating hair growth. Activity testing uses the modified Tanaka method. The results showed that the cocoa husk wastewater fraction could be formulated into hair cream, but there were changes in viscosity and pH after the freeze-thaw test, but still within the allowed limit. The hair cream water fraction gel stimulated hair growth activity based on the hair length data with a significant difference in concentration of the preparation. The best activity in hair cream preparation was at 12.5% concentration. In addition, there were no signs of irritation to the rabbit's skin where hair cream preparation was applied. The results of this study indicated that cocoa fruit peel cream can be used for antialopecia treatments.
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Wang P, Xiang K, Xu YY, He YS, Hu YQ, Ni J, Pan HF. Genetically Predicted Circulating Omega-3 Fatty Acids Levels Are Causally Associated With Increased Risk for Systemic Lupus Erythematosus. Front Nutr 2022; 9:783338. [PMID: 35223943 PMCID: PMC8864316 DOI: 10.3389/fnut.2022.783338] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Accepted: 01/06/2022] [Indexed: 11/22/2022] Open
Abstract
Background Accumulating evidence has demonstrated the associations of omega-3 or omega-6 polyunsaturated fatty acids (PUFAs) with the disease activity and inflammatory mediators of systemic lupus erythematosus (SLE), but the evidence of causal links of omega-3 or omega-6 PUFAs on the risk for SLE remains inconclusive. Objectives This study was conducted to evaluate the causal relationships between omega-3/omega-6 PUFAs and SLE by performing the Mendelian randomization (MR) analysis. Methods Genome-wide significant single-nucleotide polymorphisms (SNPs) were obtained from genome-wide association studies (GWASs) of circulating omega-3/omega-6 levels (n = up to 13,544) and GWAS meta-analyses of SLE (n = 14,267), respectively. The bidirectional two-sample MR (TSMR) analysis was conducted to infer the causality. Results The inverse-variance weighted (IVW) method revealed that genetically determined per SD increase in omega-3 levels were causally associated with an increased risk for SLE (odds ratios [ORs] = 1.49, 95% CI: 1.07, 2.08, p = 0.021), but no causal effect of omega-6 on the risk SLE was observed (IVW OR = 1.06, 95% CI: 0.72, 1.57, p = 0.759). In addition, there were no significantly causal associations in genetic predisposition to SLE with the changes of omega-3 and omega-6 levels, respectively (IVW beta for omega-3: 0.007, 95% CI: −0.006, 0.022, p = 0.299; IVW beta for omega-6: −0.008, 95% CI: −0.023, 0.006, p = 0.255). Conclusion The present study revealed the possible causal role of omega-3 on increasing the risk for SLE, it could be the potential implications for dietary recommendations.
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Affiliation(s)
- Peng Wang
- Teaching Center for Preventive Medicine, School of Public Health, Anhui Medical University, Hefei, China
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
| | - Kun Xiang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China
| | - Yuan-Yuan Xu
- Department of Outpatient Wound Care Center, 901 Hospital of Joint Logistics Support Force of People Liberation Army, Hefei, China
| | - Yi-Sheng He
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China
| | - Yu-Qian Hu
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China
| | - Jing Ni
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China
- Jing Ni
| | - Hai-Feng Pan
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China
- *Correspondence: Hai-Feng Pan ;
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Li Y, Li Q, Cao Z, Wu J. The causal association of polyunsaturated fatty acids with allergic disease: A two-sample Mendelian randomization study. Front Nutr 2022; 9:962787. [PMID: 36159460 PMCID: PMC9500587 DOI: 10.3389/fnut.2022.962787] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 08/22/2022] [Indexed: 12/03/2022] Open
Abstract
Objectives Previous studies have reported a potential association of polyunsaturated fatty acids (PUFAs) levels with allergic disease risk and the possible benefit of PUFAs supplementation on allergic disease prevention. This study was performed to estimate the genetic association between PUFAs and allergic diseases using the method of both univariable and multivariable two-sample Mendelian randomization (MR). Methods As indicators of the PUFAs levels, we included the omega-3, omega-6, docosahexaenoic acid (DHA), eicosapentaenoic acid (EPA), linoleic acid (LA), and the ratio of omega-6 to omega-3 (omega-6:3). Summarized statistics of genome-wide association studies (GWASs) for these PUFAs were obtained from the United Kingdom Biobank and the Twins United Kingdom cohort. Genetic data relating to allergic diseases, including atopic dermatitis (AD), allergic rhinitis (AR), allergic conjunctivitis (AC), allergic urticaria (AU) and asthma, were accessed from the FinnGen biobank analysis. Odds ratios and 95% CIs were used to express the impact. Results The MR results denoted a genetic association between the genetically determined increase in omega-3 levels and the decreased risk of some allergic diseases including AD (OR: 0.863; 95% CI: 0.785 to 0.949; p = 3.86E-03), AC (OR:0.720; 95% CI: 0.547 to 0.947; p = 1.87E-02) and AU (OR:0.821; 95% CI: 0.684 to 0.985; p = 3.42E-02), while omega-6 and DHA level was only found to have negatively correlation with risk of AC with ORs of 0.655 (95% CI: 0.445 to 0.964; p = 3.18E-02) and 0.671 (95% CI 0.490 to 0.918; p = 1.25E-02), respectively. Omega-6:3 were causally significantly associated with the increased risk of AD (OR:1.171; 95% CI: 1.045 to 1.312; p = 6.46E-03) and AC (IVW: OR:1.341; 95% CI: 1.032 to 1.743; p = 2.83E-02). After adjustment of age, economic level, BMI, smoking and alcohol behaviors in the multivariable MR analysis, a direct causal protective effect of omega-3 on AD and AC, as well as a direct causal association between DHA and AD were observed. Omega-6:3 was also found to be directly associated with an increased risk of AD and AC. No association was found of EPA or LA with allergic diseases. Conclusion Higher PUFA concentrations (omega-3, omega-6, DHA) and lower omega-6:3 ratios were genetically associated with a lower risk of some allergic diseases.
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Affiliation(s)
- Yajia Li
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Qiangxiang Li
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Ningxia Geriatric Disease Clinical Research Center, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, China.,Hunan People's Hospital, Department of Hunan Institute of Geriatrics, Changsha, China
| | - Ziqin Cao
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
| | - Jianhuang Wu
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
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12
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Kash N, Leavitt M, Leavitt A, Hawkins SD, Roopani RB. Clinical Patterns of Hair Loss in Men: Is Dihydrotestosterone the Only Culprit? Dermatol Clin 2021; 39:361-370. [PMID: 34053589 DOI: 10.1016/j.det.2021.03.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A number of pathways and factors including oxidative stress, inflammation, prostaglandins, vasculogenesis, Wnt/β-catenin, and transforming growth factor-β have been shown to be important in male androgenetic alopecia. There is limited but increasing evidence of the potential usefulness of antioxidants, anti-inflammatory agents, prostaglandins, and growth factors for treating of androgenetic alopecia. Lifestyle factors and comorbidities including cardiovascular risk factors have been shown to be associated with male androgenetic alopecia. Further study of these pathways, factors, and comorbidities is needed to better understand the pathophysiology, find potentially useful therapeutic targets, and ensure a comprehensive approach to the management of androgenetic alopecia in men.
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Affiliation(s)
- Natalie Kash
- Department of Dermatology, Kansas City University-Graduate Medical Education Consortium/Advanced Dermatology and Cosmetic Surgery Orlando Dermatology Program, 260 Lookout Place, Suite 103, Maitland, FL 32751, USA
| | - Matt Leavitt
- Department of Dermatology, Kansas City University-Graduate Medical Education Consortium/Advanced Dermatology and Cosmetic Surgery Orlando Dermatology Program, 260 Lookout Place, Suite 103, Maitland, FL 32751, USA; Advanced Dermatology and Cosmetic Surgery, Maitland, FL, USA; University of Central Florida, College of Medicine, Orlando, FL, USA; Bosley Medical Group, Maitland, FL, USA.
| | - Adam Leavitt
- Department of Dermatology, The University of Michigan, Ann Arbor, MI, USA
| | - Spencer D Hawkins
- Department of Dermatology, The University of Michigan, Ann Arbor, MI, USA
| | - Rahil B Roopani
- Hair Restoration Surgery Program, Leavitt Medical Associates, 260 Lookout Place, Suite 103, Maitland, FL 32751, USA
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13
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Ablon G. Nutraceuticals. Dermatol Clin 2021; 39:417-427. [PMID: 34053595 DOI: 10.1016/j.det.2021.03.006] [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: 11/24/2022]
Abstract
Hair loss has a multifactorial etiology that includes internal and external triggers. These include poor diet and nutrition (extrinsic), as well as the natural aging process (intrinsic). Other external factors include pollution, hair products, hair styling, and ultraviolet exposure, which can cause free radical formation, oxidative stress, and microinflammation at the site of the hair follicles. Botanic substances have demonstrated antioxidant, anti-inflammatory, and immune-enhancing properties. Vitamins and minerals are needed when deficiencies are apparent or demonstrate efficacy at higher doses than normally found in one's diet. The safety and efficacy of oral nutraceuticals have been demonstrated in clinical trials.
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Affiliation(s)
- Glynis Ablon
- UCLA Dermatology, 1600 Rosecrans Avenue, 4B, Manhattan Beach, CA 90266, USA.
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14
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Cockerham K, Laplant J. Putting the Pieces Back Together: Optimizing Function and Appearance after Orbital Surgery. J Neurol Surg B Skull Base 2021; 82:154-160. [PMID: 33777629 DOI: 10.1055/s-0040-1722631] [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: 10/22/2022] Open
Abstract
Objectives To describe medical and surgical options and techniques for functional and aesthetic abnormalities after orbital surgery and multidisciplinary approaches that include the orbit. Design A review of current management options in outpatient clinics and ambulatory surgery centers with selected illustrative cases. The rationale for choosing specific medical and surgical interventions will be discussed with a focus on eyelid malposition and double vision. Setting Outpatient clinics and ambulatory surgery centers. Participants Patients with eyelid, orbital, eye muscle, and scalp contour abnormalities as a result of medical and surgical interventions for brain and/or orbital tumors. Main Outcome Measures Descriptive outcomes. Results A variety of medical and surgical options are available to optimize eyelid, orbit, extraocular muscle, and scalp structure and function.
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Affiliation(s)
- Kimberly Cockerham
- Stanford Department of Ophthalmology, Byers Eye Institute, Palo Alto, California, United States
| | - Jacquelyn Laplant
- Department of Ophthalmology, Tulane University, New Orleans, Louisiana, United States
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15
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Dell’Acqua G, Richards A, Thornton MJ. The Potential Role of Nutraceuticals as an Adjuvant in Breast Cancer Patients to Prevent Hair Loss Induced by Endocrine Therapy. Nutrients 2020; 12:nu12113537. [PMID: 33217935 PMCID: PMC7698784 DOI: 10.3390/nu12113537] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/10/2020] [Accepted: 11/16/2020] [Indexed: 12/21/2022] Open
Abstract
Nutraceuticals, natural dietary and botanical supplements offering health benefits, provide a basis for complementary and alternative medicine (CAM). Use of CAM by healthy individuals and patients with medical conditions is rapidly increasing. For the majority of breast cancer patients, treatment plans involve 5–10 yrs of endocrine therapy, but hair loss/thinning is a common side effect. Many women consider this significant, severely impacting on quality of life, even leading to non-compliance of therapy. Therefore, nutraceuticals that stimulate/maintain hair growth can be proposed. Although nutraceuticals are often available without prescription and taken at the discretion of patients, physicians can be reluctant to recommend them, even as adjuvants, since potential interactions with endocrine therapy have not been fully elucidated. It is, therefore, important to understand the modus operandi of ingredients to be confident that their use will not interfere/interact with therapy. The aim is to improve clinical/healthcare outcomes by combining specific nutraceuticals with conventional care whilst avoiding detrimental interactions. This review presents the current understanding of nutraceuticals beneficial to hair wellness and outcomes concerning efficacy/safety in breast cancer patients. We will focus on describing endocrine therapy and the role of estrogens in cancer and hair growth before evaluating the effects of natural ingredients on breast cancer and hair growth.
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Affiliation(s)
| | | | - M. Julie Thornton
- Centre for Skin Sciences, University of Bradford, Bradford BD17 7DF, UK
- Correspondence:
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16
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Jimenez F, López E, Bertolini M, Alam M, Chéret J, Westgate G, Rinaldi F, Marzani B, Paus R. Topical odorant application of the specific olfactory receptor OR2AT4 agonist, Sandalore ® , improves telogen effluvium-associated parameters. J Cosmet Dermatol 2020; 20:784-791. [PMID: 32645251 DOI: 10.1111/jocd.13608] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Accepted: 07/04/2020] [Indexed: 11/27/2022]
Abstract
BACKGROUND Human hair follicles (HFs) express the olfactory receptor (OR)2AT4, which is selectively stimulated by the synthetic sandalwood-like odorant, Sandalore® . In organ-cultured, human scalp HFs, Sandalore® prolongs anagen and suppresses apoptosis by up-regulating intrafollicular IGF-1 mediated signaling. AIMS The objective of this study is to demonstrate whether effects of Sandalore® observed ex vivo translate into a clinically relevant effect in patients with telogen effluvium. PATIENTS/METHODS In a randomized, double-blinded, placebo-controlled, clinical trial, 60 female volunteers (18-65 years) affected by telogen effluvium received over a period of 24 weeks treatment with either 1% Sandalore® solution (n = 30) or placebo (identically smelling, but non-OR2AT4 activating sandalwood oil n = 30). The study read-out parameters were the degree of hair shedding, hair volume, terminal/vellus hair ratio, anagen/catagen-telogen ratio, and patient self-assessment. RESULTS Sandalore® 1% ameliorated clinical signs of telogen effluvium, namely it reduced hair shedding, and increased hair volume and the percentage of anagen HFs, the latter two parameters significantly more than placebo when changes were calculated to baseline. Sandalore® also increased the ratio of terminal/vellus hairs at week 8. Most of the anti-hair shedding effects were seen after 8 weeks and maintained at week 24. Patient questionnaire showed that verum group patients were more satisfied than the placebo group in regard to the overall results. CONCLUSION This clinical trial supports previous findings of anagen-prolonging effects of Sandalore® ex vivo with similar results now reproduced in clinical practice. It also provides proof-of-principle that a topically applied cosmetic odorant acting through HF olfactory receptors can be a therapeutic alternative to treat hair loss disorders characterized by excessive hair shedding such as telogen effluvium.
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Affiliation(s)
- Francisco Jimenez
- Mediteknia Clinic and Monasterium Clinical Hair Trial Unit, Gran Canaria, Spain.,Universidad Fernando Pessoa Canarias, Gran Canaria, Spain
| | - Esmeralda López
- Mediteknia Clinic and Monasterium Clinical Hair Trial Unit, Gran Canaria, Spain
| | - Marta Bertolini
- Monasterium Laboratory, Skin and Hair Research Solutions GmbH, Muenster, Germany
| | - Majid Alam
- Universidad Fernando Pessoa Canarias, Gran Canaria, Spain.,Monasterium Laboratory, Skin and Hair Research Solutions GmbH, Muenster, Germany.,Mediteknia Skin & Hair Lab, Gran Canaria, Spain.,Department of Dermatology and Venereology, Qatar Translational Research Institute, Hamad Medical Corporation, Doha, Qatar
| | - Jérémy Chéret
- Monasterium Laboratory, Skin and Hair Research Solutions GmbH, Muenster, Germany.,Dr. Phillip Frost Department of Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | | | | | | | - Ralf Paus
- Monasterium Laboratory, Skin and Hair Research Solutions GmbH, Muenster, Germany.,Dr. Phillip Frost Department of Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA.,Centre for Dermatology Research, University of Manchester, Manchester, UK
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17
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Chen Q, Sun T, Wang J, Jia J, Yi Y, Chen Y, Miao Y, Hu Z. Hydroxytyrosol prevents dermal papilla cells inflammation under oxidative stress by inducing autophagy. J Biochem Mol Toxicol 2019; 33:e22377. [DOI: 10.1002/jbt.22377] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 05/10/2019] [Accepted: 06/17/2019] [Indexed: 11/11/2022]
Affiliation(s)
- Qian Chen
- Department of Plastic Surgery, Nanfang HospitalSouthern Medical University Guangzhou China
| | - Tian Sun
- Department of Orthopedic Spinal Surgery, Nanfang HospitalSouthern Medical University Guangzhou China
| | - Jin Wang
- Department of Plastic Surgery, Nanfang HospitalSouthern Medical University Guangzhou China
| | - James Jia
- Department of Plastic Surgery, Nanfang HospitalSouthern Medical University Guangzhou China
| | - Yan‐Hua Yi
- Department of Plastic Surgery, Nanfang HospitalSouthern Medical University Guangzhou China
| | - Yu‐Xin Chen
- Department of Plastic Surgery, Nanfang HospitalSouthern Medical University Guangzhou China
| | - Yong Miao
- Department of Plastic Surgery, Nanfang HospitalSouthern Medical University Guangzhou China
| | - Zhi‐Qi Hu
- Department of Plastic Surgery, Nanfang HospitalSouthern Medical University Guangzhou China
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18
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Riccio G, Sommella E, Badolati N, Salviati E, Bottone S, Campiglia P, Dentice M, Tenore GC, Stornaiuolo M, Novellino E. Annurca Apple Polyphenols Protect Murine Hair Follicles from Taxane Induced Dystrophy and Hijacks Polyunsaturated Fatty Acid Metabolism toward β-Oxidation. Nutrients 2018; 10:nu10111808. [PMID: 30463345 PMCID: PMC6267362 DOI: 10.3390/nu10111808] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 10/31/2018] [Accepted: 11/14/2018] [Indexed: 11/16/2022] Open
Abstract
Chemotherapy-induced alopecia (CIA) is a common side effect of conventional chemotherapy and represents a major problem in clinical oncology. Even months after the end of chemotherapy, many cancer patients complain of hair loss, a condition that is psychologically difficult to manage. CIA disturbs social and sexual interactions and causes anxiety and depression. Synthetic drugs protecting from CIA and endowed with hair growth stimulatory properties are prescribed with caution by oncologists. Hormones, growth factors, morphogens could unwontedly protect tumour cells or induce cancer cell proliferation and are thus considered incompatible with many chemotherapy regimens. Nutraceuticals, on the contrary, have been shown to be safe and effective treatment options for hair loss. We here show that polyphenols from Malus Pumila Miller cv Annurca are endowed with hair growth promoting activity and can be considered a safe alternative to avoid CIA. In vitro, Annurca Apple Polyphenolic Extract (AAE) protects murine Hair Follicles (HF) from taxanes induced dystrophy. Moreover, in virtue of its mechanism of action, AAE is herein proven to be compatible with chemotherapy regimens. AAE forces HFs to produce ATP using mitochondrial β-oxidation, reducing Pentose Phosphate Pathway (PPP) rate and nucleotides production. As consequence, DNA replication and mitosis are not stimulated, while a pool of free amino acids usually involved in catabolic reactions are spared for keratin production. Moreover, measuring the effect exerted on Poly Unsaturated Fatty Acid (PUFA) metabolism, we prove that AAE promotes hair-growth by increasing the intracellular levels of Prostaglandins F2α (PGF2α) and by hijacking PUFA catabolites toward β-oxidation.
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Affiliation(s)
- Gennaro Riccio
- Department of Pharmacy, University of Naples Federico II. Via Montesano 49, 80149 Naples, Italy.
| | - Eduardo Sommella
- Department of Pharmacy, School of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano, Italy.
| | - Nadia Badolati
- Department of Pharmacy, University of Naples Federico II. Via Montesano 49, 80149 Naples, Italy.
| | - Emanuela Salviati
- Department of Pharmacy, School of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano, Italy.
- PhD Program in Drug Discovery and Development, University of Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano, Italy.
| | - Sara Bottone
- Department of Pharmacy, University of Naples Federico II. Via Montesano 49, 80149 Naples, Italy.
| | - Pietro Campiglia
- Department of Pharmacy, School of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano, Italy.
| | - Monica Dentice
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Via Pansini 5, 80149 Naples, Italy.
| | - Gian Carlo Tenore
- Department of Pharmacy, University of Naples Federico II. Via Montesano 49, 80149 Naples, Italy.
| | - Mariano Stornaiuolo
- Department of Pharmacy, University of Naples Federico II. Via Montesano 49, 80149 Naples, Italy.
| | - Ettore Novellino
- Department of Pharmacy, University of Naples Federico II. Via Montesano 49, 80149 Naples, Italy.
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19
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Bassino E, Gasparri F, Munaron L. Serenoa repens and N-acetyl glucosamine/milk proteins complex differentially affect the paracrine communication between endothelial and follicle dermal papilla cells. J Cell Physiol 2018; 234:7320-7329. [PMID: 30417926 DOI: 10.1002/jcp.27491] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Accepted: 09/06/2018] [Indexed: 12/12/2022]
Abstract
Current treatments for hair follicle (HF) disruption are based on 5-α reductase inhibitors and prostaglandin modulators. Botanicals and nutraceutical compounds interfere with hair loss or stimulate its partial regrowth. Here, we used in vitro cocultures to investigate the activity of Serenoa repens ( SR) and N-acetyl glucosamine + milk proteins (NAG/Lac) on the paracrine interactions between human microvascular endothelial cells (HMVEC) and HF dermal papilla cells (FDPC). Both SR and NAG/Lac-induced endothelial tubulogenesis were enhanced by FDPC. SR promoted proliferation of both the cell types, while NAG/Lac was effective on endothelium. Vascular endothelial growth factor production, enhanced by SR, was further augmented by FDPC. In FDPC 5-α reductase-II and β-catenin expressions were modified by SR and less by NAG/Lac, with no additional effect by HMVEC. SR and NAG/Lac prevented lipid peroxidation, whereas NAG/Lac was effective on interleukin 1β production. Finally, SR and NAG/Lac differentially affected HMVEC permeability and tight junction proteins content. These data provide a mechanistic background for the potential use of these compounds as promoters of HF vascularization.
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Affiliation(s)
- Eleonora Bassino
- Department of Life Sciences and Systems Biology, University of Turin, Turin, Italy
| | - Franco Gasparri
- Department of Pharmacy, University of Salerno, Salerno, Italy
| | - Luca Munaron
- Department of Life Sciences and Systems Biology, University of Turin, Turin, Italy
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20
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Badolati N, Sommella E, Riccio G, Salviati E, Heintz D, Bottone S, Di Cicco E, Dentice M, Tenore G, Campiglia P, Stornaiuolo M, Novellino E. Annurca Apple Polyphenols Ignite Keratin Production in Hair Follicles by Inhibiting the Pentose Phosphate Pathway and Amino Acid Oxidation. Nutrients 2018; 10:nu10101406. [PMID: 30279339 PMCID: PMC6213762 DOI: 10.3390/nu10101406] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 09/25/2018] [Accepted: 09/26/2018] [Indexed: 12/17/2022] Open
Abstract
Patterned hair loss (PHL) affects around 50% of the adult population worldwide. The negative impact that this condition exerts on people’s life quality has boosted the appearance of over-the-counter products endowed with hair-promoting activity. Nutraceuticals enriched in polyphenols have been recently shown to promote hair growth and counteract PHL. Malus pumila Miller cv. Annurca is an apple native to Southern Italy presenting one of the highest contents of Procyanidin B2. We have recently shown that oral consumption of Annurca polyphenolic extracts (AAE) stimulates hair growth, hair number, hair weight and keratin content in healthy human subjects. Despite its activity, the analysis of the molecular mechanism behind its hair promoting effect is still partially unclear. In this work we performed an unprecedented metabolite analysis of hair follicles (HFs) in mice topically treated with AAE. The metabolomic profile, based on a high-resolution mass spectrometry approach, revealed that AAE re-programs murine HF metabolism. AAE acts by inhibiting several NADPH dependent reactions. Glutaminolysis, pentose phosphate pathway, glutathione, citrulline and nucleotide synthesis are all halted in vivo by the treatment of HFs with AAE. On the contrary, mitochondrial respiration, β-oxidation and keratin production are stimulated by the treatment with AAE. The metabolic shift induced by AAE spares amino acids from being oxidized, ultimately keeping them available for keratin biosynthesis.
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Affiliation(s)
- Nadia Badolati
- Department of Pharmacy, University of Naples Federico II. Via Montesano 49, 80149 Naples, Italy.
| | - Eduardo Sommella
- Department of Pharmacy, School of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano, Italy.
| | - Gennaro Riccio
- Department of Pharmacy, University of Naples Federico II. Via Montesano 49, 80149 Naples, Italy.
| | - Emanuela Salviati
- Department of Pharmacy, School of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano, Italy.
- PhD Program in Drug Discovery and Development, University of Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano, Italy.
| | - Dimitri Heintz
- Plant Imaging and Mass Spectrometry, Institut de Biologie Moleculaire des Plantes, CNRS, Universite de Strasbourg, 67000 Strasbourg, France.
| | - Sara Bottone
- Department of Pharmacy, University of Naples Federico II. Via Montesano 49, 80149 Naples, Italy.
| | - Emery Di Cicco
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Via Pansini 5, 80149 Naples, Italy.
| | - Monica Dentice
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Via Pansini 5, 80149 Naples, Italy.
| | - Giancarlo Tenore
- Department of Pharmacy, University of Naples Federico II. Via Montesano 49, 80149 Naples, Italy.
| | - Pietro Campiglia
- Department of Pharmacy, School of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano, Italy.
| | - Mariano Stornaiuolo
- Department of Pharmacy, University of Naples Federico II. Via Montesano 49, 80149 Naples, Italy.
| | - Ettore Novellino
- Department of Pharmacy, University of Naples Federico II. Via Montesano 49, 80149 Naples, Italy.
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21
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Kanti V, Messenger A, Dobos G, Reygagne P, Finner A, Blumeyer A, Trakatelli M, Tosti A, Del Marmol V, Piraccini BM, Nast A, Blume-Peytavi U. Evidence-based (S3) guideline for the treatment of androgenetic alopecia in women and in men - short version. J Eur Acad Dermatol Venereol 2017; 32:11-22. [PMID: 29178529 DOI: 10.1111/jdv.14624] [Citation(s) in RCA: 113] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Accepted: 09/25/2017] [Indexed: 12/28/2022]
Abstract
Androgenetic alopecia is the most common hair loss disorder, affecting both men and women. Initial signs of androgenetic alopecia usually develop during teenage years leading to progressive hair loss with a pattern distribution. Moreover, its frequency increases with age and affects up to 80% Caucasian men and 42% of women. Patients afflicted with androgenetic alopecia may undergo significant impairment of quality of life. The European Dermatology Forum (EDF) initiated a project to develop evidence-based guidelines for the treatment of androgenetic alopecia. Based on a systematic literature research the efficacy of the currently available therapeutic options was assessed and therapeutic recommendations were passed in a consensus conference. The purpose of the guideline is to provide dermatologists with an evidence-based tool for choosing an efficacious and safe therapy for patients with androgenetic alopecia.
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Affiliation(s)
- V Kanti
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Dermatology and Allergy, Clinical Research Center for Hair and Skin Science, Berlin, Germany
| | - A Messenger
- Department of Dermatology, University of Sheffield, Sheffield, UK
| | - G Dobos
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Dermatology and Allergy, Clinical Research Center for Hair and Skin Science, Berlin, Germany
| | - P Reygagne
- Centre Sabouraud, Hôpital St. Louis, Paris, France
| | - A Finner
- Private Practices, Berlin, Leipzig, Germany
| | | | - M Trakatelli
- Department of Dermatology and Venerology, Papageorgiou Hospital, Aristotle University, Thessaloniki, Greece
| | - A Tosti
- Department of Dermatology and Cutaneous Surgery, Miller School of Medicine, University of Miami, Miami, FL, USA.,Private Practice, Bologna, Italy
| | - V Del Marmol
- Department of Dermatology, Hopital Erasme, Université Libre de Bruxelles, Brussels, Belgium
| | - B M Piraccini
- Department of Dermatology, University of Bologna, Bologna, Italy
| | - A Nast
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Dermatology and Allergy, Division of Evidence Based Medicine, Berlin, Germany
| | - U Blume-Peytavi
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Dermatology and Allergy, Clinical Research Center for Hair and Skin Science, Berlin, Germany
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22
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Hornfeldt CS. Growing evidence of the beneficial effects of a marine protein-based dietary supplement for treating hair loss. J Cosmet Dermatol 2017; 17:209-213. [PMID: 28921826 DOI: 10.1111/jocd.12400] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/20/2017] [Indexed: 11/28/2022]
Abstract
BACKGROUND Hair loss is a common condition among women with a range of causes including nutritional deficiencies. AIMS To review the clinical data supporting the use of an oral marine supplement designed to promote hair growth. PATIENTS/METHODS Adult women with temporary thinning hair. Following an initial pilot study, five randomized, double-blind studies assessed the effectiveness of the oral marine supplement for promoting hair growth. Each study was approved by one or more institutional review boards. RESULTS Together, these studies demonstrated the ability of oral marine supplements to increase the growth of terminal and vellus hairs, increase the diameter of terminal and vellus hairs, and decrease hair loss. This product is beneficial for men as well as women. CONCLUSIONS A dietary supplement containing a marine complex and other natural ingredients can safely and effectively promote hair growth and decrease hair shedding in women and men with thinning hair.
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Fortes C, Mastroeni S, Mannooranparampil TJ, Ribuffo M. The combination of overweight and smoking increases the severity of androgenetic alopecia. Int J Dermatol 2017; 56:862-867. [DOI: 10.1111/ijd.13652] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 03/29/2017] [Accepted: 04/17/2017] [Indexed: 11/30/2022]
Affiliation(s)
- Cristina Fortes
- Epidemiology Unit; Istituto Dermopatico dell'Immacolata (IDI-IRCCS-FLMM); Rome Italy
| | - Simona Mastroeni
- Epidemiology Unit; Istituto Dermopatico dell'Immacolata (IDI-IRCCS-FLMM); Rome Italy
| | | | - Marcella Ribuffo
- Dermatology Unit; Istituto Dermopatico dell'Immacolata (IDI-IRCCS-FLMM); Rome Italy
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Guo EL, Katta R. Diet and hair loss: effects of nutrient deficiency and supplement use. Dermatol Pract Concept 2017; 7:1-10. [PMID: 28243487 PMCID: PMC5315033 DOI: 10.5826/dpc.0701a01] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 11/25/2016] [Indexed: 02/05/2023] Open
Abstract
Patients presenting with hair loss should be screened by medical history, dietary history and physical exam for risk factors for nutrient deficiency. If warranted, laboratory studies may be performed. In patients with no risk factors, further laboratory evaluation searching for nutritional deficiencies is not warranted. For patients with nutritional deficiencies, it is clear that those deficiencies should be corrected. Further research is required to determine whether any benefit exists for nutrient supplementation in the absence of documented deficiency. At this time, patients must be informed that such research is lacking and that in fact some supplements carry the risk of worsening hair loss or the risk of toxicity.
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Affiliation(s)
| | - Rajani Katta
- Department of Dermatology, Houston Methodist Hospital, Houston, TX, USA
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Siavash M, Tavakoli F, Mokhtari F. Comparing the Effects of Zinc Sulfate, Calcium Pantothenate, Their Combination and Minoxidil Solution Regimens on Controlling Hair Loss in Women: A Randomized Controlled Trial. J Res Pharm Pract 2017; 6:89-93. [PMID: 28616431 PMCID: PMC5463555 DOI: 10.4103/jrpp.jrpp_17_17] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
OBJECTIVE This study was conducted to evaluate the combination of oral supplements with 2% minoxidil solution in four groups of women with hair loss. METHODS A prospective, randomized controlled trial was conducted from July to December 2016 in dermatology clinics affiliated to Isfahan University of Medical Sciences. A total of 73, 15-45-year-old, women with hair loss participated in this 4-month study. Simple randomization using Random Allocation Software was done to put the participants in four groups to receive coadministration of zinc sulfate and calcium pantothenate, zinc sulfate, calcium pantothenate, and 2% minoxidil solution. The primary endpoint was the change in hair density and diameter measured by dermatoscope. Secondary endpoints included the researcher's evaluation, dermatologist's opinion - which was blinded to the study - from comparing the participants' photographs before and after treatment and finally, overall changes in hair density measured by participants' self-assessment. FINDINGS Seventy-three women participated in this study. Primary hair count and thickness were 118.5 ± 10 hairs/cm2 and 58.8 ± 5.8 μ that changed to 124 ± 11 hairs/cm2 and 62.3 ± 4.3 μ respectively (P < 0.001) which in the zinc plus pantothenate group these changes were from 118.6 ± 9.9 hairs/cm2 to 121.9 ± 11.1 hairs/cm2 (P = 0.042) and from 62.2 ± 6.6 μ to 64.0 ± 5.0 μ (P = 0.126), respectively. Hair density increments were more obvious in the minoxidil group, and hair thickness increments were more obvious in pantothenate group. Participants' satisfaction was 85% in the combination therapy which was more than other groups. Participants' satisfaction, author's and blind dermatologist's opinion showed a significant correlation (P = 0.0001). CONCLUSION Based on the participants' satisfaction, the combination of zinc sulfate and calcium pantothenate when administered in a pulse therapy way could be a good choice for hair loss controlling in initial stages.
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Affiliation(s)
- Mansour Siavash
- Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Fereshteh Tavakoli
- Department of Internal Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Fatemeh Mokhtari
- Department of Dermatology, Skin Diseases and Leishmaniasis Research Center, Isfahan University of Medical Science, Isfahan, Iran
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Abstract
BACKGROUND Female pattern hair loss (FPHL), or androgenic alopecia, is the most common type of hair loss affecting women. It is characterised by progressive shortening of the duration of the growth phase of the hair with successive hair cycles, and progressive follicular miniaturisation with conversion of terminal to vellus hair follicles (terminal hairs are thicker and longer, while vellus hairs are soft, fine, and short). The frontal hair line may or may not be preserved. Hair loss can have a serious psychological impact on women. OBJECTIVES To determine the efficacy and safety of the available options for the treatment of female pattern hair loss in women. SEARCH METHODS We updated our searches of the following databases to July 2015: the Cochrane Skin Group Specialised Register, CENTRAL in the Cochrane Library (2015, Issue 6), MEDLINE (from 1946), EMBASE (from 1974), PsycINFO (from 1872), AMED (from 1985), LILACS (from 1982), PubMed (from 1947), and Web of Science (from 1945). We also searched five trial registries and checked the reference lists of included and excluded studies. SELECTION CRITERIA We included randomised controlled trials that assessed the efficacy of interventions for FPHL in women. DATA COLLECTION AND ANALYSIS Two review authors independently assessed trial quality, extracted data and carried out analyses. MAIN RESULTS We included 47 trials, with 5290 participants, of which 25 trials were new to this update. Only five trials were at 'low risk of bias', 26 were at 'unclear risk', and 16 were at 'high risk of bias'.The included trials evaluated a wide range of interventions, and 17 studies evaluated minoxidil. Pooled data from six studies indicated that a greater proportion of participants (157/593) treated with minoxidil (2% and one study with 1%) reported a moderate to marked increase in their hair regrowth when compared with placebo (77/555) (risk ratio (RR) = 1.93, 95% confidence interval (CI) 1.51 to 2.47; moderate quality evidence). These results were confirmed by the investigator-rated assessments in seven studies with 1181 participants (RR 2.35, 95% CI 1.68 to 3.28; moderate quality evidence). Only one study reported on quality of life (QoL) (260 participants), albeit inadequately (low quality evidence). There was an important increase of 13.18 in total hair count per cm² in the minoxidil group compared to the placebo group (95% CI 10.92 to 15.44; low quality evidence) in eight studies (1242 participants). There were 40/407 adverse events in the twice daily minoxidil 2% group versus 28/320 in the placebo group (RR 1.24, 95% CI 0.82 to 1.87; low quality evidence). There was also no statistically significant difference in adverse events between any of the individual concentrations against placebo.Four studies (1006 participants) evaluated minoxidil 2% versus 5%. In one study, 25/57 participants in the minoxidil 2% group experienced moderate to greatly increased hair regrowth versus 22/56 in the 5% group (RR 1.12, 95% CI 0.72 to 1.73). In another study, 209 participants experienced no difference based on a visual analogue scale (P = 0.062; low quality evidence). The assessments of the investigators based on three studies (586 participants) were in agreement with these findings (moderate quality evidence). One study assessed QoL (209 participants) and reported limited data (low quality evidence). Four trials (1006 participants) did not show a difference in number of adverse events between the two concentrations (RR 1.02, 95% CI 0.91 to 1.20; low quality evidence). Both concentrations did not show a difference in increase in total hair count at end of study in three trials with 631 participants (mean difference (MD) -2.12, 95% CI -5.47 to 1.23; low quality evidence).Three studies investigated finasteride 1 mg compared to placebo. In the finasteride group 30/67 participants experienced improvement compared to 33/70 in the placebo group (RR 0.95, 95% CI 0.66 to 1.37; low quality evidence). This was consistent with the investigators' assessments (RR 0.77, 95% CI 0.31 to 1.90; low quality evidence). QoL was not assessed. Only one study addressed adverse events (137 participants) (RR 1.03, 95% CI 0.45 to 2.34; low quality evidence). In two studies (219 participants) there was no clinically meaningful difference in change of hair count, whilst one study (12 participants) favoured finasteride (low quality evidence).Two studies (141 participants) evaluated low-level laser comb therapy compared to a sham device. According to the participants, the low-level laser comb was not more effective than the sham device (RR 1.54, 95% CI 0.96 to 2.49; and RR 1.18, 95% CI 0.74 to 1.89; moderate quality evidence). However, there was a difference in favour of low-level laser comb for change from baseline in hair count (MD 17.40, 95% CI 9.74 to 25.06; and MD 17.60, 95% CI 11.97 to 23.23; low quality evidence). These studies did not assess QoL and did not report adverse events per treatment arm and only in a generic way (low quality evidence). Low-level laser therapy against sham comparisons in two separate studies also showed an increase in total hair count but with limited further data.Single studies addressed the other comparisons and provided limited evidence of either the efficacy or safety of these interventions, or were unlikely to be examined in future trials. AUTHORS' CONCLUSIONS Although there was a predominance of included studies at unclear to high risk of bias, there was evidence to support the efficacy and safety of topical minoxidil in the treatment of FPHL (mainly moderate to low quality evidence). Furthermore, there was no difference in effect between the minoxidil 2% and 5% with the quality of evidence rated moderate to low for most outcomes. Finasteride was no more effective than placebo (low quality evidence). There were inconsistent results in the studies that evaluated laser devices (moderate to low quality evidence), but there was an improvement in total hair count measured from baseline.Further randomised controlled trials of other widely-used treatments, such as spironolactone, finasteride (different dosages), dutasteride, cyproterone acetate, and laser-based therapy are needed.
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Affiliation(s)
- Esther J van Zuuren
- Leiden University Medical CenterDepartment of DermatologyPO Box 9600B1‐QLeidenNetherlands2300 RC
| | | | - Jan Schoones
- Leiden University Medical CenterWalaeus LibraryPO Box 9600LeidenNetherlands2300 RC
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Ganesan P, Choi DK. Current application of phytocompound-based nanocosmeceuticals for beauty and skin therapy. Int J Nanomedicine 2016; 11:1987-2007. [PMID: 27274231 PMCID: PMC4869672 DOI: 10.2147/ijn.s104701] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Phytocompounds have been used in cosmeceuticals for decades and have shown potential for beauty applications, including sunscreen, moisturizing and antiaging, and skin-based therapy. The major concerns in the usage of phyto-based cosmeceuticals are lower penetration and high compound instability of various cosmetic products for sustained and enhanced compound delivery to the beauty-based skin therapy. To overcome these disadvantages, nanosized delivery technologies are currently in use for sustained and enhanced delivery of phyto-derived bioactive compounds in cosmeceutical sectors and products. Nanosizing of phytocompounds enhances the aseptic feel in various cosmeceutical products with sustained delivery and enhanced skin protecting activities. Solid lipid nanoparticles, transfersomes, ethosomes, nanostructured lipid carriers, fullerenes, and carbon nanotubes are some of the emerging nanotechnologies currently in use for their enhanced delivery of phytocompounds in skin care. Aloe vera, curcumin, resveratrol, quercetin, vitamins C and E, genistein, and green tea catechins were successfully nanosized using various delivery technologies and incorporated in various gels, lotions, and creams for skin, lip, and hair care for their sustained effects. However, certain delivery agents such as carbon nanotubes need to be studied for their roles in toxicity. This review broadly focuses on the usage of phytocompounds in various cosmeceutical products, nanodelivery technologies used in the delivery of phytocompounds to various cosmeceuticals, and various nanosized phytocompounds used in the development of novel nanocosmeceuticals to enhance skin-based therapy.
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Affiliation(s)
- Palanivel Ganesan
- Department of Applied Life Science, Nanotechnology Research Center, Chungju, Republic of Korea; Department of Biotechnology, College of Biomedical and Health Science, Konkuk University, Chungju, Republic of Korea
| | - Dong-Kug Choi
- Department of Applied Life Science, Nanotechnology Research Center, Chungju, Republic of Korea; Department of Biotechnology, College of Biomedical and Health Science, Konkuk University, Chungju, Republic of Korea
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Karatas F, Sahin S, Sever AR, Altundag K. Management of hair loss associated with endocrine therapy in patients with breast cancer: an overview. SPRINGERPLUS 2016; 5:585. [PMID: 27247882 PMCID: PMC4864803 DOI: 10.1186/s40064-016-2216-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Accepted: 04/22/2016] [Indexed: 12/14/2022]
Abstract
Endocrine therapy-induced hair loss (ETIHL) associated with aromatase inhibitors and tamoxifen treatment is currently mostly reported but remained an unresolved therapeutic issue in patients with breast cancer (BC) since the number of studies regarding the management is limited in literature. Herein we investigated the possible causes of this clinical problem and its relation with endocrine therapies widely used for BC survivors and made some modest practical recommendations in light of the literature review in order to provide an optimal management. On the basis of literature findings, common causes of hair loss apart from endocrine therapies should be investigated with an initial evaluation workup and then should be corrected, if observed. Treatment with topical 5-alpha reductase inhibitors and supplementation of Vitamin C and omega-3 fatty acids are likely appeared to be the most appropriate treatment agents for ETIHL without causing an adverse effect on BC prognosis. However, more prospective, randomised, placebo-controlled studied are required in order to confirm our results and also identify the clinical effects of this problem on patients with BC.
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Affiliation(s)
- Fatih Karatas
- Department of Medical Oncology, Diskapi Yildirim Beyazit Education and Training Hospital, Ankara, Turkey
| | - Suleyman Sahin
- Department of Medical Oncology, Diskapi Yildirim Beyazit Education and Training Hospital, Ankara, Turkey
| | - Ali R Sever
- Department of Radiology, Hacettepe University School of Medicine, Ankara, Turkey
| | - Kadri Altundag
- Department of Medical Oncology, Hacettepe University Cancer Institute, 06100 Ankara, Turkey
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