1
|
Adatto M. Clinical evaluation of the efficacy of fractional radiofrequency for the treatment and reduction of stretch marks: A prospective study. J Cosmet Dermatol 2023; 22:214-221. [PMID: 36229028 DOI: 10.1111/jocd.15463] [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: 04/06/2022] [Revised: 09/21/2022] [Accepted: 10/11/2022] [Indexed: 01/24/2023]
Abstract
BACKGROUND/OBJECTIVES Skin resurfacing with fractional radiofrequency results in reepithelization, collagen shrinkage, fibroblast stimulation, and neocollagenesis which may be beneficial for the improvement of various skin lesions. This clinical study was conducted to evaluate the safety and efficacy of fractional radiofrequency device (FRF) for the treatment of striae. METHODS Seventeen subjects, totaling 67 treatment zones were evaluated. Subjects had 4 FRF treatment sessions to the striae areas, at 4-weeks interval. 3D-standardized photographs of the treatment area with a 3D camera were used to evaluate striae volumetric improvement from baseline to follow up (FU) visits at 12 and 16 weeks post-final treatment. A satisfaction questionnaire was completed by subjects at each of the follow-up visits. Additionally, the mean scores of the live investigator assessments of Global Aesthetic Improvement Scale (GAIS), Subject Satisfaction Scale, Pain Visual Analog Scale and Tolerability Score were calculated. RESULTS A total of 15 subjects completed the study (Fitzpatrick skin type I-III, average age 36.2 years) received 4 FRF treatments on multiple different body zones with multiple passes over stretch marks on the abdomen, inner arms, lower buttocks, inner thighs, and/or flanks. Analysis of 3D photographs of the striae affected zones at 16-week FU revealed an average reduction in the striae volume of 19.1%, a reduction of redness of 14.3%, a reduction of pigmentation of 11.2%, and a reduction of striae color of 8.82%. The GAIS improved by 1.7-points when compared to baseline. Treatments were well tolerated with subjects reporting a mean score of 3.8 out of 10 for pain and 3.1 out of 4 for tolerability (indicating the treatment was "tolerable"), with no occurrences of serious adverse events. The average subject satisfaction at 16-week follow-up was 3.1, out of a total of 4, which signified subjects were "satisfied" with their treatment. CONCLUSION 3D Image analysis of the treated zones presented overall reductions in the color and texture of striae after four treatments with FRF. A combination of ablation and coagulation introduced by FRF treatment resulted in improvement to the appearance of the treated striae.
Collapse
Affiliation(s)
- Maurice Adatto
- Skinpulse Dermatology & Laser Centre, Geneva, Switzerland.,Department of Dermatology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.,Department of Dermatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| |
Collapse
|
2
|
Lichtman Y, Horev A, Matyashov T, Rotem R, Katz ME, Eshkoli T, Weintraub AY. Association between striae gravidarum and pelvic floor dysfunction symptoms during pregnancy. Int Urogynecol J 2022; 33:3441-3447. [PMID: 35666288 DOI: 10.1007/s00192-022-05249-8] [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: 04/08/2022] [Accepted: 05/12/2022] [Indexed: 10/18/2022]
Abstract
INTRODUCTION AND HYPOTHESIS Striae gravidarum are linear atrophic scars appearing on the abdomen of pregnant women reported to be related to pregnancy-induced changes in the connective tissue. Pelvic floor distress symptoms are also known to be linked to connective tissue weakness. Given that common pathophysiological pathways may play a role in both striae gravidarum and pelvic floor dysfunction symptoms, we sought to examine whether there is a correlation between them during pregnancy. METHODS A prospective observational study among third-trimester pregnant women who visited a tertiary medical center for routine pregnancy follow-up was conducted by using the Pelvic Floor Distress Inventory (PFDI-20) questionnaire to evaluate pelvic floor distress symptoms and the Davey method for evaluating striae gravidarum severity. Obstetrical characteristics as well as pelvic floor distress symptoms were compared between two groups according to the severity of striae gravidarum. Univariate analysis was carried out using appropriate tests; PFDI scores were compared between the groups using the Mann-Whitney test. RESULTS Women with striae gravidarum were significantly older (31.06 vs. 28.83 years, p < 0.01), had a lower body mass index (27.5 vs. 30.98, p < 0.01), and gave birth to smaller neonates (3155 vs. 3389 g, p < 0.01). In addition, the overall and median PFDI-20 scores differed between the groups (with severe SG having the highest median score of 20 and those with milder SG having a score of 16 compared to 14 in those without SG). A distinct association between the PFDI-20 score and SG severity was not demonstrated (p = 0.63). CONCLUSIONS In our population, an association was demonstrated between pelvic floor distress symptoms and the presence of striae gravidarum. However, following a linear regression model, no statistically significant association between SG severity and total PFD-20 score was seen. Our findings strengthen the hypothesis of common connective tissue involvement in the pathophysiology of both conditions.
Collapse
Affiliation(s)
- Yael Lichtman
- Department of Obstetrics and Gynecology, Soroka Medical Center, Beer-Sheva, Israel
| | - Amir Horev
- Pediatric Dermatology Services, Soroka Medical Center, Beer-Sheva, Israel. .,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
| | - Tamar Matyashov
- Department of Obstetrics and Gynecology, Soroka Medical Center, Beer-Sheva, Israel
| | - Reut Rotem
- Department of Obstetrics and Gynecology, Shaare Zedek Medical Center, Affiliated with the Hebrew University Medical School of Jerusalem, 12 Bayit Street, 91031, Jerusalem, Israel
| | - Maayan Elnir Katz
- Department of Obstetrics and Gynecology, Soroka Medical Center, Beer-Sheva, Israel
| | - Tamar Eshkoli
- Department of Obstetrics and Gynecology, Soroka Medical Center, Beer-Sheva, Israel
| | - Adi Y Weintraub
- Department of Obstetrics and Gynecology, Soroka Medical Center, Beer-Sheva, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| |
Collapse
|
3
|
Sany I, Mohamed Sobhi R, Badawi A, Mohamed Elmaadawi Z, Mostafa PIN. Comparative Study Between the Efficacy of Fractional CO 2 Laser/Radiofrequency, PRP and a Combination of Both in the Treatment of Striae Distensae: A Pilot Study. Clin Cosmet Investig Dermatol 2022; 15:1687-1694. [PMID: 36017418 PMCID: PMC9398515 DOI: 10.2147/ccid.s365952] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 08/04/2022] [Indexed: 11/23/2022]
Abstract
Purpose The work aims to compare the effect of platelet-rich plasma versus fractional CO22 laser/radiofrequency versus both methods combined in treating striae distensae. Patients & Methods The study included ten female patients with striae alba with Fitzpatrick IV skin. Three sites of striae were chosen; one was treated with platelet-rich plasma, another with fractional CO2 /radiofrequency (CO2/RF), and the third received both treatments. Every patient received three treatment sessions one month apart. Patients were photographed, and a skin biopsy was taken from each area before and one month after treatment. Results Assessment of the clinical photos showed that fractional CO2/radiofrequency gave a mild improvement in 22%, moderate improvement in 55.5% and marked improvement in 22.5%. Clinically, the combined treatment showed mild improvement in 44% of patients, moderate results in 33% and marked improvement in 23% of patients. The PRP as an only mode of treatment showed poor improvement in 22%, mild improvement in 23% and moderate improvement in 55% of patients. Biopsy results showed a decrease in collagen and elastin after treatment with the solitary methods, while the combined approach resulted in an increase in collagen and a reduction in elastin. Conclusion Fractional CO2 laser/radiofrequency combined with PRP or either of them showed clinical improvement to variable degrees with superior results clinically and histologically with the combined method.
Collapse
Affiliation(s)
- Iman Sany
- Department of Dermatology, Kasr Alainy Medical School, Cairo University, Cairo, Egypt
| | - Rehab Mohamed Sobhi
- Department of Dermatology, Kasr Alainy Medical School, Cairo University, Cairo, Egypt
| | - Ashraf Badawi
- Department of Medical Laser Applications, National Institute of Laser Enhanced Sciences, Cairo University, Cairo, Egypt.,Department of Dermatology, Faculty of Medicine, University of Szeged, Szeged, Hungary
| | - Zeinab Mohamed Elmaadawi
- Department of Histology & Cell Biology, Kasr Alainy Medical School, Cairo University, Cairo, Egypt
| | | |
Collapse
|
4
|
The Alleviating Effect of Lagerstroemia indica Flower Extract on Stretch Marks through Regulation of Mast Cells. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27041274. [PMID: 35209065 PMCID: PMC8877584 DOI: 10.3390/molecules27041274] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 02/11/2022] [Accepted: 02/12/2022] [Indexed: 11/17/2022]
Abstract
Striae distensae (SD) or stretch marks are common linear scars of atrophic skin with disintegrating extracellular matrix (ECM) structures. Although fibroblasts contribute to the construction of ECM structure in SD, some studies have reported that mast cell degranulation causes the disruption of ECM in early SD lesions. Lagerstroemia indica flower (LIF) has traditionally been used in India as a diuretic. However, little is known about the effect and molecular action of Lagerstroemia indica flower extract (LIFE) on alleviating SD. This study evaluated the effects of LIFE on mast cell degranulation and the synthesis of ECM components in fibroblasts. LIFE inhibits the adhesion of rat basophilic leukemia (RBL) cells, RBL-2H3 on fibronectin (FN) and the expression of integrin, a receptor for FN, thereby reducing focal adhesion kinase (FAK) phosphorylation. In addition, LIFE attenuated the allergen-induced granules and cytokine interleukin 3 (IL-3) through the adhesion with FN. Moreover, the conditioned medium (CM) of activated mast cells decreases the synthesis of ECM components, and LIFE restores the abnormal expressions induced by activated mast cells. These results demonstrate that LIFE suppresses FN-induced mast cell activation and promotes the synthesis of ECM components in fibroblast, which indicates that LIFE may be a useful cosmetic agent for SD treatment.
Collapse
|
5
|
Abstract
SUMMARY Striae distensae, or stretch marks, are common linear lesions of atrophic skin characterized histologically by epidermal atrophy, absent rete ridges, and alterations in connective tissue architecture. Hormonal excess, mechanical stress, and genetic predisposition are all associated with striae distensae, but their exact pathogenesis remains unknown. Despite a multitude of options, no single treatment has yet proven effective. In this article, the authors describe an up-to-date overview of striae distensae in terms of their etiology, pathophysiology, and therapeutic options. Further research is required to better elucidate their pathophysiology and to develop targeted effective treatments.
Collapse
|
6
|
La Padula S, Hersant B, Pizza C, Chesné C, Jamin A, Ben Mosbah I, Errico C, D’Andrea F, Rega U, Persichetti P, Meningaud JP. Striae Distensae: In Vitro Study and Assessment of Combined Treatment With Sodium Ascorbate and Platelet-Rich Plasma on Fibroblasts. Aesthetic Plast Surg 2021; 45:1282-1293. [PMID: 33474574 DOI: 10.1007/s00266-020-02100-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 12/13/2020] [Indexed: 12/22/2022]
Abstract
INTRODUCTION Striae distensae (SD) appear clinically as parallel striae, lying perpendicular to the tension lines of the skin. SD evolve into two clinical phases, an initial inflammatory phase in which they are called "striae rubrae" (SR) and a chronic phase in which they are called striae albae (SA). Fibroblasts seem to play a key role in the pathogenesis of stretch marks. This study was aimed at describing and analyzing stretch marks-derived fibroblasts (SMF), the differences between SR- and SA-derived fibroblasts (SRF, SAF), testing two treatments in vitro (sodium ascorbate and PrP) on SAF. MATERIAL AND METHODS To characterize the SMF, the expression of alpha smooth muscle actin (alpha SMA) was investigated. Type I collagen expression was measured in SAF, before and after adding different PrP concentrations and sodium ascorbate in the culture medium. Results were processed through statistical analysis models using the Student's t-test. RESULTS A significant increase in alpha SMA (P <0.001) was observed in SRF. SAF treated with PrP and sodium ascorbate showed a resumption of their metabolic activity by an increase in collagen type I production and cell proliferation. After 24 h of incubation with PrP 1% and PrP 5% + sodium ascorbate, cell viability was increased by 140% and 151% and by 156 and 178% after 48 h, respectively, compared to the control. CONCLUSION Our study shows that a biologically mediated improvement in SMF metabolic activity is possible. Our promising results require further trials to be able to confirm the reproducibility of this combined treatment, particularly in vivo. NO LEVEL ASSIGNED This journal requires that authors assign a level of evidence to each submission to which Evidence-Based Medicine rankings are applicable.
Collapse
|
7
|
Lin WC, Byers RA, Li W, Danby SG, Cork MJ, Matcher SJ. Imaging striae distensae: a comparison between PS-OCT and digital dermoscopy. BIOMEDICAL OPTICS EXPRESS 2021; 12:3296-3311. [PMID: 34221661 PMCID: PMC8221947 DOI: 10.1364/boe.417084] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 03/26/2021] [Accepted: 04/02/2021] [Indexed: 05/11/2023]
Abstract
Stretch marks or striae distensae (SD) cause emotional distress and negatively affect the psychological well-being of patients. We investigate and compare two methods for quantifying the severity of SD: visual scoring of images captured using a clinical visible-light dermatological camera (C-Cube, Pixience Inc) and measuring the local birefringence of skin using polarization-sensitive optical coherence tomography (PS-OCT). Data on skin visually affected by SD and visually normal skin were collected from 19 human volunteers. Our results show a weak correlation between visual scores of the C-Cube images and the birefringence values obtained from the PS-OCT system. SD datasets have a significantly larger birefringence values compared to visually normal datasets.
Collapse
Affiliation(s)
- Wai Ching Lin
- Department of Electronic and Electrical Engineering, University of Sheffield, Sir Frederick Mappin Building, Sheffield, S1 3JD, UK
| | - Robert A. Byers
- Department of Electronic and Electrical Engineering, University of Sheffield, Sir Frederick Mappin Building, Sheffield, S1 3JD, UK
- Sheffield Dermatology Research, Department of Infection and Immunity and Cardiovascular Disease, University of Sheffield, Beech Hill Road, Sheffield, S10 2RX, UK
| | - Wei Li
- Department of Electronic and Electrical Engineering, University of Sheffield, Sir Frederick Mappin Building, Sheffield, S1 3JD, UK
| | - Simon G. Danby
- Sheffield Dermatology Research, Department of Infection and Immunity and Cardiovascular Disease, University of Sheffield, Beech Hill Road, Sheffield, S10 2RX, UK
| | - Michael J. Cork
- Sheffield Dermatology Research, Department of Infection and Immunity and Cardiovascular Disease, University of Sheffield, Beech Hill Road, Sheffield, S10 2RX, UK
| | - Stephen J. Matcher
- Department of Electronic and Electrical Engineering, University of Sheffield, Sir Frederick Mappin Building, Sheffield, S1 3JD, UK
| |
Collapse
|
8
|
Boer J, Jemec GBE. Mechanical forces and Hidradenitis Suppurativa. Exp Dermatol 2020; 30:212-215. [PMID: 33155312 DOI: 10.1111/exd.14234] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/23/2020] [Accepted: 10/30/2020] [Indexed: 01/01/2023]
Abstract
The mechanism by which inflammatory skin disease forms localized patterns of lesions is poorly understood. Hidradenitis suppurtiva (HS) is strikingly located to intertriginous areas. These areas are subject to considerable mechanical stress (friction, pressure and shear forces). Koebner phenomenon (KP) describes the appearance of typical skin lesions of a pre-existing dermatosis on previously clear skin following trauma, such as friction, pressure and more often penetrating injury with subsequent scarring. Striae distensae (SD) are a form of dermal scarring and can be considered as a form of inflammation-driven dermal disarray. Ectopic HS lesions may occur as KP due to trauma and locally increased susceptibility consisting of either altered mechanical qualities or inflammation. SD and mechanical stress may thus provide a model for the development of lesions. In the absence of an (animal) model or experiment, two patients are described who show HS (-like) lesions along co-localized with SD. The suggested two-hits model may be necessary for the development of KP in HS, that is that the general susceptibility, conferred by obesity, requires a local susceptibility factor to result in ectopic lesions. Ultimately, if ectopic HS lesions are considered true HS lesions it may be speculated that similar interaction occurs in the naturally stressed skin areas offering a possible explanation of the localized pattern of the disease.
Collapse
Affiliation(s)
- Jurr Boer
- Department of Dermatology, Deventer Hospital, N.Bolksteinlaan 75, Deventer, 7416 SE, The Netherlands
| | - Gregor B E Jemec
- Department of Dermatology, Zealand University Hospital, Roskilde, Denmark.,Health Sciences Faculty, University of Copenhagen, Copenhagen, Denmark
| |
Collapse
|
9
|
Hocaoglu E, Hocaoglu M, Akdeniz E. Association between serum 25-hydroxyvitamin D levels and the presence and severity of striae gravidarum in primigravid women. J Cosmet Dermatol 2020; 19:3107-3114. [PMID: 32227578 DOI: 10.1111/jocd.13386] [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: 12/07/2019] [Accepted: 03/06/2020] [Indexed: 11/29/2022]
Abstract
BACKGROUND Striae gravidarum (SG) are a form of scarring on the skin observed during pregnancy and an important cosmetic problem. Vitamin D plays an important role in the skin. AIMS To assess the association between serum 25-hydroxyvitamin D (25(OH)D) levels and the presence and severity of SG in primigravid women. METHODS The study included 91 primigravid women at the gestational age of 36-41 weeks. Patients were examined and divided into two groups with respect to whether they had SG or not. Striae were scored using the numerical scoring system of Atwal et al. The serum 25(OH)D levels were evaluated. RESULTS While 55 patients (60.5%) had SG, 36 (39.5%) did not. The mean serum 25(OH)D level of women with SG was 17.69 ± 9.81 ng/mL and of women without SG was 21.18 ± 11.71 ng/mL. There was no statistically significant difference between two groups (P = .144). Multivariate logistic regression analysis has shown that women who have normal values of serum 25(OH)D (≥30 ng/mL) have a lower risk of having SG than women who have scarce levels of serum 25(OH)D (<20 ng/mL) after adjusting for confounding factors (adjusted odds ratio = 0.18, 95% confidence interval: 0.04-0.72, P = .015). According to the results of the linear-by-linear test, the association between serum 25(OH)D levels and the severity of SG was not found significant (P = .82). CONCLUSIONS This is the first study to show that having normal values of serum 25(OH)D is linked to a lower risk of having SG than scarce levels. Therefore, management of vitamin D deficiency might help prevent SG in primigravid women.
Collapse
Affiliation(s)
- Emre Hocaoglu
- Private Practice (Emre Hocaoglu Clinic), Plastic, Reconstructive, and Aesthetic Surgery, Istanbul, Turkey
| | - Meryem Hocaoglu
- Department of Obstetrics and Gynaecology, Goztepe Training and Research Hospital, Istanbul Medeniyet University, Istanbul, Turkey
| | - Esra Akdeniz
- Department of Medical Education, School of Medicine, Marmara University, Istanbul, Turkey
| |
Collapse
|
10
|
Hirt PA, Castillo DE, Yosipovitch G, Keri JE. Skin changes in the obese patient. J Am Acad Dermatol 2019; 81:1037-1057. [DOI: 10.1016/j.jaad.2018.12.070] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 12/17/2018] [Accepted: 12/18/2018] [Indexed: 12/31/2022]
|
11
|
Kan O, Gorkem U, Alkilic A, Cetin M. Efficacy of striae gravidarum extension and localization on predicting intraperitoneal adhesion risk. J Obstet Gynaecol Res 2019; 45:2358-2363. [PMID: 31531933 DOI: 10.1111/jog.14125] [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: 05/20/2019] [Accepted: 08/30/2019] [Indexed: 11/30/2022]
Abstract
AIM To evaluate the diagnostic value of striae gravidarum (SG) presence and localization in predicting the intraperitoneal adhesion (IPA) risk in pregnant women with a history of at least one previous cesarean delivery (CD). METHODS A total of 100 pregnant women with repeated CD were included in this prospective observational study. Patients were divided into three groups according to severity of SG with Davey scoring system. Intraoperative adhesion severity and extension were evaluated by using Nair classification system. Moreover, operation duration and neonatal outcomes were analyzed. RESULTS Demographic features were comparable between the groups. Adhesion scores were significantly higher in mild and severe SG groups (for mild SG: 1.93 ± 0.99, for severe SG: 2.81 ± 0.88 and for no SG: 1.4 ± 0.57; P < 0.001). Analysis revealed a positive correlation between IPA and severity of SG (P < 0.001). There was a correlation between increased striae density and adhesion severity especially in the right and left upper quadrants of the abdomen (for right quadrant: r = 0.515, P < 0.001; for left quadrant: r = 0.359, P = 0.005). CONCLUSION Our results suggest that preoperative evaluation of SG severity and extend particularly in upper quadrants is a feasible option to predict IPA risk in patients with repeated CD.
Collapse
Affiliation(s)
- Ozgur Kan
- Department of Obstetrics and Gynecology, Faculty of Medicine, Hitit University, Corum, Turkey
| | - Umit Gorkem
- Department of Obstetrics and Gynecology, Faculty of Medicine, Hitit University, Corum, Turkey
| | - Aysegul Alkilic
- Department of Obstetrics and Gynecology, Faculty of Medicine, TOBB University, Ankara, Turkey
| | - Mustafa Cetin
- Department of Obstetrics and Gynecology, Faculty of Medicine, Hitit University, Corum, Turkey
| |
Collapse
|
12
|
Perez‐Aso M, Roca A, Bosch J, Martínez‐Teipel B. Striae reconstructed, a full thickness skin model that recapitulates the pathology behind stretch marks. Int J Cosmet Sci 2019; 41:311-319. [DOI: 10.1111/ics.12538] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Accepted: 05/03/2019] [Indexed: 01/08/2023]
Affiliation(s)
- M. Perez‐Aso
- Provital, S.A. Gorgs Llado 200, 08210 Barbera del Valles Barcelona Spain
| | - A. Roca
- Provital, S.A. Gorgs Llado 200, 08210 Barbera del Valles Barcelona Spain
| | - J. Bosch
- Provital, S.A. Gorgs Llado 200, 08210 Barbera del Valles Barcelona Spain
| | - B. Martínez‐Teipel
- Provital, S.A. Gorgs Llado 200, 08210 Barbera del Valles Barcelona Spain
| |
Collapse
|
13
|
Schuck DC, de Carvalho CM, Sousa MPJ, Fávero PP, Martin AA, Lorencini M, Brohem CA. Unraveling the molecular and cellular mechanisms of stretch marks. J Cosmet Dermatol 2019; 19:190-198. [PMID: 31131982 DOI: 10.1111/jocd.12974] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 01/17/2019] [Indexed: 12/19/2022]
Abstract
BACKGROUND Striae distensae, commonly known as stretch marks, are cutaneous lesions that accompany the hormonal upheavals of the major stages of life: puberty and pregnancy. Stretch marks occur in 90% of women, and they appear as red or purple lines that slowly fade to pale lines on the skin. There have been few studies regarding stretch mark origins, and new preventive and corrective treatments are needed. AIMS The aim of this work was to understand the primary genes and proteins involved in the regulation of striae compared to normal skin and to identify the differentially expressed genes and biochemical aspects of SA and SR Importantly, this is the first published study to use a molecular high-throughput approach combined with in vivo evaluation. METHODS In this study, we analyzed the molecular differences between skin with and without stretch marks (rubra [SR] and alba [SA]) of female volunteers using DNA microarray (Whole Human Genome Microarray Kit, 4×44 K, Agilent Technologies) analyses of cutaneous biopsies (2 mm) and in vivo confocal Raman spectroscopy of selected buttock regions, a technique recently introduced as a noninvasive skin evaluation method. RESULTS We identified gene expression alterations related to ECM, cellular homeostasis, and hormones such as secretoglobulins. Spectral analyses of collagen, fibrillin, and glycosaminoglycans were conducted by Raman spectroscopy at different skin depths. The main differences observed when comparing skin with and without stretch marks were at depths between 75 and 95 μm, corresponding to the dermal-epidermal junction and dermis regions and showing differences between normal skin and stretched skin regarding collagen, collagen hydration, and elastin fibers. CONCLUSION The results obtained by RNA and protein analyses are complementary and show that significant changes occur in the skin affected by stretch marks. These results suggest new strategies and opportunities to treat this skin disorder and for the development of new and eficiente cosmetic products.
Collapse
Affiliation(s)
- Desirée C Schuck
- Grupo Boticário, Research & Development, São José dos Pinhais, Brazil
| | - Camila M de Carvalho
- Grupo Boticário, Research & Development, São José dos Pinhais, Brazil.,Laboratório de Espectroscopia Vibracional Biomédica, Universidade do Vale do Paraíba, São José dos Campos, Brazil
| | - Mariane P J Sousa
- Biomedical Vibrational Spectroscopy Group, Biomedical Engineering Innovation Center, Universidade Brasil, Itaquera, Brazil
| | - Priscila P Fávero
- Departamento de Física, Universidade Federal do Piauí, Teresina, Brazil
| | - Airton A Martin
- Departamento de Física, Universidade Federal do Piauí, Teresina, Brazil.,Industrial Biotechnology Department, Universidade Positivo, Curitiba, Brazil
| | - Márcio Lorencini
- Grupo Boticário, Research & Development, São José dos Pinhais, Brazil
| | - Carla A Brohem
- Grupo Boticário, Research & Development, São José dos Pinhais, Brazil
| |
Collapse
|
14
|
Pietrusiński M, Kasielska-Trojan A, Sitek A, Borowiec M, Antoszewski B. Selected genes polymorphisms and the risk of non-syndromic striae. A case-control study in the Polish population. J Eur Acad Dermatol Venereol 2019; 33:e286-e288. [PMID: 30851193 DOI: 10.1111/jdv.15558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- M Pietrusiński
- Department of Clinical Genetics, Medical University of Łódź, Łódź, Poland
| | - A Kasielska-Trojan
- Plastic, Reconstructive and Aesthetic Surgery Clinic, Medical University of Lodz, Kopcinskiego 22, Lodz 90-153, Poland
| | - A Sitek
- Department of Anthropology, University of Łódź, Łódź, Poland
| | - M Borowiec
- Department of Clinical Genetics, Medical University of Łódź, Łódź, Poland
| | - B Antoszewski
- Plastic, Reconstructive and Aesthetic Surgery Clinic, Medical University of Lodz, Kopcinskiego 22, Lodz 90-153, Poland
| |
Collapse
|
15
|
Liu L, Huang J, Wang Y, Li Y. Risk factors of striae gravidarum in Chinese primiparous women. PLoS One 2018; 13:e0198720. [PMID: 29927959 PMCID: PMC6013206 DOI: 10.1371/journal.pone.0198720] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Accepted: 05/06/2018] [Indexed: 11/19/2022] Open
Abstract
Background Striae gravidarum is a common skin problem of considerable cosmetic concern for many pregnant women. Various risk factors associated with the development of striae have been reported, with conflicting results. Objectives To analyze the risk factors of striae gravidarum in Chinese primiparous women and to provide evidence relevant to the prevention of this condition. Methods Singleton primiparous pregnant women who were hospitalized for delivery were included, and relevant data were collected. Independent risk factors associated with striae gravidarum in women with and those without striae gravidarum were identified using logistic regression. Results Among 213 singleton primiparous pregnant women, 125 had striae gravidarum, yielding a prevalence of up to 58.9%. There was a significant variation (P < 0.05, odds ratio >1) between the striae gravidarum and non-striae gravidarum groups in terms of several factors, including younger maternal age, weight gain during pregnancy, body mass index gain, uterine height, abdominal girth, and positive family history. Factors such as maternal height, birth weight, systemic disease, skin type, and neonatal gender did not significantly differ between the 2 groups. Conclusion This study showed that the independent risk factors for striae gravidarum in primiparous women were younger maternal age, weight gain during pregnancy, body mass index gain, uterine height, abdominal girth, and a positive family history. The severity of striae gravidarum was associated with weight gain during pregnancy, body mass index gain, abdominal girth, and timing of the onset of striae gravidarum.
Collapse
Affiliation(s)
- Liping Liu
- Department of Dermatology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
- Regeneration Medicine Research Center, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
| | - Jianling Huang
- Department of Dermatology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
- Regeneration Medicine Research Center, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
- The Central Hospital of Xiaogan, Xiaogan, Hubei, China
| | - Ying Wang
- Department of Dermatology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
- Regeneration Medicine Research Center, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
| | - Yumei Li
- Department of Dermatology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
- Regeneration Medicine Research Center, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
- * E-mail:
| |
Collapse
|
16
|
Sambi P, Watson REB. Cause or consequence? Identification of collagen remodelling in striae. Br J Dermatol 2018; 178:590-591. [PMID: 29595222 DOI: 10.1111/bjd.16259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- P Sambi
- Queen Elizabeth Hospital Birmingham, Mindelsohn Way, Birmingham, B15 2TH, U.K.,Centre for Dermatology Research, Faculty of Biology, Medicine & Health, Manchester Academic Health Science Centre, The University of Manchester, Manchester, M13 9PT, U.K
| | - R E B Watson
- Centre for Dermatology Research, Faculty of Biology, Medicine & Health, Manchester Academic Health Science Centre, The University of Manchester, Manchester, M13 9PT, U.K.,The Dermatology Centre, Salford Royal NHS Foundation Trust, Salford, M6 8HD, U.K
| |
Collapse
|
17
|
Abstract
OBJECTIVE Our objective was to estimate the prevalence of abdominal wall striae among women with and without pelvic organ prolapse (POP) in a population with pelvic floor disorders. METHODS This cross-sectional study included nonpregnant women with urinary incontinence and POP presenting to a tertiary urogynecology practice between December 2012 and August 2013. Participants completed a nonvalidated questionnaire about striae, and the degree of abdominal wall striae was quantified on physical examination. Baseline demographics, clinical characteristics, and Pelvic Organ Prolapse Quantification (POP-Q) measurements were recorded. RESULTS One hundred thirty-two women were approached for participation, of which 110 (83%) completed study questionnaires. Of these 110, 59 had POP defined at POP-Q stages 2-4, whereas 51 had normal pelvic support, POP-Q stages 0-1. The mean (SD) age was 55.5 (12) years, and most (78/110) were sexually active. Women with POP were more parous than women without POP (median 2 vs 1, respectively; P = 0.03). However, there was no difference in medical comorbidities, smoking status, or steroid use between groups (P > 0.05). More women with POP reported striae (42/59 [71%] vs 23/51 [45%], P = 0.006) and had quantifiable abdominal wall striae compared with women with normal support (39/59 [66%] vs 22/51 [44%], P = 0.02). On multivariate logistic regression, women with POP were 2.5 times more likely to have striae compared with women without POP after adjusting for skin type and smoking status (odds ratio, 2.5; 95% confidence interval, 1.03-6.06; P = 0.04). CONCLUSION Women with POP are more likely to have striae compared with women without POP.
Collapse
|
18
|
Kasielska-Trojan A, Pietrusiński M, Borowiec M, Antoszewski B. Collagen type III and elastin genes polymorphism and the risk of nonsyndromic striae. J Cosmet Dermatol 2018; 18:342-345. [PMID: 29498185 DOI: 10.1111/jocd.12522] [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] [Accepted: 02/02/2018] [Indexed: 11/28/2022]
Abstract
BACKGROUND Striae have been reported to be one of the most common skin lesions and a commonly encountered esthetic problem. OBJECTIVES The aim of this research was to examine elastin gene polymorphism (rs7787362, ELN) and collagen type III alpha 1 polymorphism (rs1800255, COL3A1) among polish woman population with SD in comparison with women without the lesions and to verify these polymorphisms as risk factors for SD. METHODS Seventy female students (35 with striae (the mean age 23.9 years, SD 1.2 years) and 35 without these lesions (22.9 years, SD 1.7 years)) were included in the study. The subjects were asked to fill out a questionnaire including questions concerning risk factors for SD and had a cheek swabbed for cells for DNA isolation. RESULTS Analysis of polymorphisms of elastin gene (rs7787362) and COL3A1 gene (rs1800255) showed that women with SD and without these lesions did not differ in these aspects. Polymorphism rs7787362 was also analyzed in relation to SD in different locations, and showed no differences. CONCLUSION In conclusion, we found that there are some clinical factors that reduced the risk of SD: history of intended weight loss, negative family history of SD, and lower BMI. Gene polymorphisms analysis in patients with SD may help to establish the etiology of these lesions and to target the therapy. Analysis of polymorphisms of elastin gene (rs7787362) did not show differences in allele distribution between women with and without SD. Polymorphisms of COL3A1 gene (rs1800255) also did not differ between the examined groups.
Collapse
Affiliation(s)
- Anna Kasielska-Trojan
- Plastic, Reconstructive and Aesthetic Surgery Clinic, Institute of Surgery, Medical University of Lodz, Łódź, Poland
| | | | - Maciej Borowiec
- Department of Clinical Genetics, Medical University of Łódź, Łódź, Poland
| | - Bogusław Antoszewski
- Plastic, Reconstructive and Aesthetic Surgery Clinic, Institute of Surgery, Medical University of Lodz, Łódź, Poland
| |
Collapse
|
19
|
Hodeib AA, Hassan GFR, Ragab MNM, Hasby EA. Clinical and immunohistochemical comparative study of the efficacy of carboxytherapy vs platelet‐rich plasma in treatment of stretch marks. J Cosmet Dermatol 2018; 17:1008-1015. [PMID: 29316152 DOI: 10.1111/jocd.12481] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/20/2017] [Indexed: 02/05/2023]
Affiliation(s)
- Abeer A Hodeib
- Dermatology and Venereology Department Faculty of Medicine Tanta University Tanta Egypt
| | - Ghada F R Hassan
- Dermatology and Venereology Department Faculty of Medicine Tanta University Tanta Egypt
| | - Marwa N M Ragab
- Dermatology and Venereology Department Faculty of Medicine Tanta University Tanta Egypt
| | - Eiman A Hasby
- Pathology Department Faculty of Medicine Tanta University Tanta Egypt
| |
Collapse
|
20
|
Lung PW, Tippavajhala VK, de Oliveira Mendes T, Téllez-Soto CA, Schuck DC, Brohem CA, Lorencini M, Martin AA. In vivo study of dermal collagen of striae distensae by confocal Raman spectroscopy. Lasers Med Sci 2018; 33:609-617. [PMID: 29308552 DOI: 10.1007/s10103-017-2431-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Accepted: 12/26/2017] [Indexed: 11/29/2022]
Abstract
This research work mainly deals with studying qualitatively the changes in the dermal collagen of two forms of striae distensae (SD) namely striae rubrae (SR) and striae albae (SA) when compared to normal skin (NS) using confocal Raman spectroscopy. The methodology includes an in vivo human skin study for the comparison of confocal Raman spectra of dermis region of SR, SA, and NS by supervised multivariate analysis using partial least squares discriminant analysis (PLS-DA) to determine qualitatively the changes in dermal collagen. These groups are further analyzed for the extent of hydration of dermal collagen by studying the changes in the water content bound to it. PLS-DA score plot showed good separation of the confocal Raman spectra of dermis region into SR, SA, and NS data groups. Further analysis using loading plot and S-plot indicated the participation of various components of dermal collagen in the separation of these groups. Bound water content analysis showed that the extent of hydration of collagen is more in SD when compared to NS. Based on the results obtained, this study confirms the active involvement of dermal collagen in the formation of SD. It also emphasizes the need to study quantitatively the role of these various biochemical changes in the dermal collagen responsible for the variance between SR, SA, and NS.
Collapse
Affiliation(s)
- Pam Wen Lung
- Institute of Research and Development (IP&D), Universidade do Vale do Paraiba (UNIVAP), Av. Shishima Hifumi, 2911, Urbanova, São José dos Campos, SP, CEP: 12244-000, Brazil
| | - Vamshi Krishna Tippavajhala
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India.
| | - Thiago de Oliveira Mendes
- Biomedical Engineering Innovation Center, Biomedical Vibrational Spectroscopy Group, Universidade Brasil-UNBr, Rua Carolina Fonseca, 235-08230-030, Itaquera, Sao Paulo, Brazil
| | - Claudio A Téllez-Soto
- Biomedical Engineering Innovation Center, Biomedical Vibrational Spectroscopy Group, Universidade Brasil-UNBr, Rua Carolina Fonseca, 235-08230-030, Itaquera, Sao Paulo, Brazil
| | - Desirée Cigaran Schuck
- Grupo O Boticário, Av. Rui Barbosa, 4.110, Parque da Fonte, São José dos Pinhais, PR, CEP: 83050-010, Brazil
| | - Carla Abdo Brohem
- Grupo O Boticário, Av. Rui Barbosa, 4.110, Parque da Fonte, São José dos Pinhais, PR, CEP: 83050-010, Brazil
| | - Marcio Lorencini
- Grupo O Boticário, Av. Rui Barbosa, 4.110, Parque da Fonte, São José dos Pinhais, PR, CEP: 83050-010, Brazil
| | - Airton Abrahão Martin
- Biomedical Engineering Innovation Center, Biomedical Vibrational Spectroscopy Group, Universidade Brasil-UNBr, Rua Carolina Fonseca, 235-08230-030, Itaquera, Sao Paulo, Brazil. .,Departmento de Fisica, Universidade Federal do Piaui (UFPI), Campus Ministro Petronio Portella, Teresina, PI, CEP: 64049-550, Brazil.
| |
Collapse
|
21
|
Kasielska-Trojan A, Antoszewski B. Do body build and composition influence striae distensae occurrence and visibility in women? J Cosmet Dermatol 2017; 17:1165-1169. [PMID: 29105985 DOI: 10.1111/jocd.12455] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/19/2017] [Indexed: 11/28/2022]
Abstract
BACKGROUND Striae have been reported to be one of the most common skin changes and a commonly encountered esthetic problem. OBJECTIVES To analyze risk factors of striae not associated with pregnancy and verify if body build and composition influence striae distensae (SD) occurrence and visibility. METHODS Eighty female students (40 with striae (the mean age 23.9 years, SD 2.05 years) and 40 without these lesions (24.7 years, SD 6.2 years)) were included in the study. The subjects were asked to fill out a questionnaire including questions concerning risk factors of SD. Body build and composition were examined using Tanita SC-331S Body Composition Analyzer. RESULTS Women without striae more often reported a history of intended weight loss (P < .0001), less frequently had a history of contraceptives intake (P < .001) and more often their family history of striae was negative or unknown (P = .01). Multivariate analysis including body build and composition parameters indicated BMI as risk factor of SD (P = .021; OR =1.155, 95% CI 1.006; 1.325). CONCLUSIONS History of contraceptives intake and a family history of striae are risk factors of SD occurrence, while weight loss can reduce the risk of these lesions. BMI appeared to be the risk factor of striae visibility, especially in abdomen, but not on the buttocks. Further clinical researches are needed to examine the pathophysiology of this condition and to inform patients about the possibility to reduce the risk of striae occurrence.
Collapse
Affiliation(s)
- Anna Kasielska-Trojan
- Plastic, Reconstructive and Aesthetic Surgery Clinic, Institute of Surgery, Medical University of Lodz, Lodz, Poland
| | - Bogusław Antoszewski
- Plastic, Reconstructive and Aesthetic Surgery Clinic, Institute of Surgery, Medical University of Lodz, Lodz, Poland
| |
Collapse
|
22
|
Calcium Hydroxylapatite Combined with Microneedling and Ascorbic Acid is Effective for Treating Stretch Marks. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2017; 5:e1474. [PMID: 29062646 PMCID: PMC5640351 DOI: 10.1097/gox.0000000000001474] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Accepted: 07/10/2017] [Indexed: 11/29/2022]
Abstract
Background: Stretch marks can have a negative psychological impact on some individuals. Methods are available for treating stretch marks, but high-quality evidence supporting their use is limited. We treat stretch marks using injections of diluted calcium hydroxylapatite (CaHA, Radiesse) filler combined with microneedling and topical ascorbic acid. This retrospective study evaluated the effectiveness of this combined therapy. Methods: Subjects presented with red (n = 25) or white (n = 10) striae on their buttocks, thighs, knees, abdomen, and breasts. CaHA filler was diluted 1:1 with lidocaine 2% without epinephrine. A maximum of 3.0 mL of filler was injected per patient at all skin depths using a 23G needle. This was immediately followed by microneedling and topical application of 20% ascorbic acid. Microneedling with ascorbic acid was repeated after 1 and 2 months. Skin biopsies were obtained from a patient who later underwent abdominoplasty. Results: The mean (±SD) pretreatment Manchester Scar Scale scores were 12.0 (±0.8), decreasing to 7.1 (±1.4) 1 month after the final treatment, indicating improvement in stretch mark appearance (P < 0.001). Subjects were very satisfied (n = 22; 62.9%), satisfied (n = 8; 22.9%), neither satisfied nor dissatisfied (n = 4; 11.4%), or unsatisfied (n = 1; 2.8%) with their treatment results. Analysis revealed a significant correlation between Scar Scale scores and Patient Satisfaction scores (r = 0.483; P = 0.003). Skin biopsies showed increased quantity and quality of collagen and elastin fibers in areas treated with combination therapy. Procedures were well tolerated. Conclusion: Combining 1:1 diluted CaHA with microneedling and topical ascorbic is safe and effective for treating stretch marks.
Collapse
|
23
|
Gokalp H. Long-term results of the treatment of pregnancy-induced striae distensae using a 1550-nm non-ablative fractional laser. J COSMET LASER THER 2017; 19:378-382. [DOI: 10.1080/14764172.2017.1342040] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Hilal Gokalp
- Department of Dermatology, Koc University School of Medicine, Istanbul, Turkey
| |
Collapse
|
24
|
Hague A, Bayat A. Therapeutic targets in the management of striae distensae: A systematic review. J Am Acad Dermatol 2017; 77:559-568.e18. [PMID: 28551068 DOI: 10.1016/j.jaad.2017.02.048] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Revised: 02/14/2017] [Accepted: 02/19/2017] [Indexed: 10/19/2022]
Abstract
BACKGROUND Striae distensae are permanent dermal lesions that can cause significant psychosocial distress. A detailed understanding of the numerous treatment modalities available is essential to ensuring optimal patient outcomes. OBJECTIVE Our objective was to evaluate and summarize the different treatment methods for striae distensae by linking their proposed modes of action with the histopathogenesis of the condition to guide patient treatment. METHODS A systematic review of the literature was performed with no limits placed on publication date. Relevant studies were assigned a level of evidence by the authors. RESULTS Ninety-two articles were identified, with 74 being eligible for quality assessment. The majority of treatments aim to increase collagen production. The use of vascular lasers can reduce erythema in striae rubrae by targeting hemoglobin, whereas increasing melanin through methods such as ultraviolet light is a major focus for treatment of striae albae. Despite some topical treatments being widely used, uncertainty regarding their mode of action remains. No treatment has proved to be completely effective. LIMITATIONS Limitations of the study include low-quality evidence, small sample sizes, and varying treatment protocols and outcome measures, along with concerns regarding publication bias. CONCLUSIONS Further randomized, controlled trials are needed before definitive conclusions and recommendations can be made.
Collapse
Affiliation(s)
- Adam Hague
- Centre for Dermatological Research, University of Manchester, Manchester, United Kingdom
| | - Ardeshir Bayat
- Centre for Dermatological Research, University of Manchester, Manchester, United Kingdom.
| |
Collapse
|
25
|
Striae Distensae: Preventative and Therapeutic Modalities to Improve Aesthetic Appearance. Dermatol Surg 2017; 43:635-648. [DOI: 10.1097/dss.0000000000001079] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
26
|
Ozturk P, Kıran H, Kurutas EB, Mulayim K, Avcı F. Serum collagenase-2 and BMI levels in pregnant women with striae gravidarum. J Cosmet Dermatol 2016; 16:416-420. [PMID: 27605330 DOI: 10.1111/jocd.12269] [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: 08/03/2016] [Indexed: 11/29/2022]
Abstract
OBJECTIVE Striae gravidarum is a form of scarring on the skin observed during pregnancy and can cause serious cosmetic problems. Striae gravidarum may be influenced by hormonal changes, although the etiology is not clear. The aim of this study was to investigate whether body mass index (BMI) and serum collagenase-2 levels in pregnant women are related to the development of striae gravidarum. METHODS Thirty pregnant women with striae, 30 pregnant women without striae, and 32 health controls were enrolled in the study. RESULTS BMI and serum collagenase-2 levels were measured in the participants. CONCLUSION Pregnant women with striae gravidarum had increased serum collagenase-2 and BMI levels when compared to pregnant women without striae gravidarum and healthy controls (P < 0.05). The increase in serum collagenase-2 levels was related to the development of striae gravidarum alone, or secondary to BMI increase.
Collapse
Affiliation(s)
- Perihan Ozturk
- Department of Dermatology, Medical Faculty, KSU, Kahramanmaras, Turkey
| | - Hakan Kıran
- Department of Obstetrics, Medical Faculty, KSU, Maternal-Foetal Medicine Unit, Kahramanmaras, Turkey
| | | | - Kamil Mulayim
- Department of Dermatology, Medical Faculty, KSU, Kahramanmaras, Turkey
| | - Fazıl Avcı
- Department of Obstetrics, Medical Faculty, KSU, Maternal-Foetal Medicine Unit, Kahramanmaras, Turkey
| |
Collapse
|
27
|
El Taieb MA, Ibrahim AK. Fractional CO2 Laser Versus Intense Pulsed Light in Treating Striae Distensae. Indian J Dermatol 2016; 61:174-80. [PMID: 27057017 PMCID: PMC4817442 DOI: 10.4103/0019-5154.177774] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Context: Striae distensae are linear atrophic dermal scars covered with flat atrophic epidermis. They may cause disfigurement, especially in females. Many factors may cause striae distensae such as steroids, obesity, and pregnancy. Although there is no standard treatment for striae; many topical applications, peeling, and light and laser systems have been tried. Aims: To evaluate and compare the efficacy of fractional CO2 laser with intense pulse light in treating striae distensae. Subjects and Methods: Forty patients with striae distensae were recruited. Twenty of them were treated by fractional CO2 laser and 20 were treated with intense pulse light. Length and width of the largest striae were measured pre- and post-treatment. Patient satisfaction was also evaluated and graded. Patients were photographed after each treatment session and photos were examined by a blinded physician who had no knowledge about the cases. Results: Both groups showed significant improvement after treatments (P < 0.05). Patients treated with fractional CO2 laser showed significant improvement after the fifth session compared with those treated with ten sessions of intense pulsed light (P < 0.05) in all parameters except in the length of striae (P > 0.05). Conclusions: The current study has provided supportive evidence to the effectiveness of both fractional CO2 laser and intense pulse light as treatments for striae distensae. Fractional CO2 laser was found to be more effective in the treatment of striae distensae compared with intense pulse light.
Collapse
Affiliation(s)
- Moustafa Adam El Taieb
- Department of Dermatology, Venereology and Andrology, Qina Faculty of Medicine, South Valley University, Qena, Egypt
| | - Ahmed Khair Ibrahim
- Department of Public Health and Community Medicine, Faculty of Medicine, Assiut University, Asyut, Egypt
| |
Collapse
|
28
|
Evaluation of a 1540-nm and a 1410-nm Nonablative Fractionated Laser for the Treatment of Striae. Dermatol Surg 2016; 42:225-31. [DOI: 10.1097/dss.0000000000000629] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
29
|
Al-Himdani S, Ud-Din S, Gilmore S, Bayat A. Striae distensae: a comprehensive review and evidence-based evaluation of prophylaxis and treatment. Br J Dermatol 2014; 170:527-47. [DOI: 10.1111/bjd.12681] [Citation(s) in RCA: 117] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/05/2013] [Indexed: 12/29/2022]
Affiliation(s)
- S. Al-Himdani
- Plastic and Reconstructive Surgery Research; Manchester Institute of Biotechnology; University of Manchester; 131 Princess Street Manchester M1 7DN U.K
- Faculty of Medical and Human Sciences; Institute of Inflammation and Repair; Manchester Academic Health Science Centre; University Hospital of South Manchester NHS Foundation Trust; University of Manchester; Manchester U.K
| | - S. Ud-Din
- Plastic and Reconstructive Surgery Research; Manchester Institute of Biotechnology; University of Manchester; 131 Princess Street Manchester M1 7DN U.K
- Faculty of Medical and Human Sciences; Institute of Inflammation and Repair; Manchester Academic Health Science Centre; University Hospital of South Manchester NHS Foundation Trust; University of Manchester; Manchester U.K
| | - S. Gilmore
- Dermatology Research Centre; School of Medicine; University of Queensland; Brisbane Qld Australia
| | - A. Bayat
- Plastic and Reconstructive Surgery Research; Manchester Institute of Biotechnology; University of Manchester; 131 Princess Street Manchester M1 7DN U.K
- Faculty of Medical and Human Sciences; Institute of Inflammation and Repair; Manchester Academic Health Science Centre; University Hospital of South Manchester NHS Foundation Trust; University of Manchester; Manchester U.K
| |
Collapse
|
30
|
Elshimy N, Gandhi A. A teenager with lumbar striae distensae (when a bruise is not a bruise). BMJ Case Rep 2013; 2013:bcr-2013-201962. [PMID: 24351515 DOI: 10.1136/bcr-2013-201962] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
A 14-year-old boy was referred to a paediatric clinic after a recent diagnosis of coeliac disease, which was well controlled on a gluten-free diet. During the consultation, the mother raised concerns regarding marks that had developed over her son's back over the past 6 months. On examination, a number of horizontal, coloured bruise-like marks were noted over the lower back. The appearance was suspicious of bruising and possible non-accidental injury, although a history of trauma or injury was denied. Blood tests including a coagulation screen were arranged which were normal and the patient was followed up twice during a 6-month period. He remained well but the bruising was persistent. It was concluded that these were striae associated with pubertal growth. This case summarises the importance of careful surveillance of bruising in children and illustrates the association between striae and pubertal growth which may be confused with non-accidental injury.
Collapse
|
31
|
Cakir Gungor AN, Oguz S, Hacivelioglu S, Isik S, Uysal A, Gencer M, Cosar E. Predictive value of striae gravidarum severity for intraperitoneal adhesions or uterine scar healing in patients with previous caesarean delivery. J Matern Fetal Neonatal Med 2013; 27:1312-5. [DOI: 10.3109/14767058.2013.856876] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
|
32
|
Lasers and lights for the treatment of striae distensae. Lasers Med Sci 2013; 29:1735-43. [DOI: 10.1007/s10103-013-1342-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2013] [Accepted: 04/25/2013] [Indexed: 11/26/2022]
|
33
|
Genome-wide association analysis implicates elastic microfibrils in the development of nonsyndromic striae distensae. J Invest Dermatol 2013; 133:2628-2631. [PMID: 23633020 PMCID: PMC3806248 DOI: 10.1038/jid.2013.196] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
|
34
|
Ud-Din S, McAnelly SL, Bowring A, Whiteside S, Morris J, Chaudhry I, Bayat A. A double-blind controlled clinical trial assessing the effect of topical gels on striae distensae (stretch marks): a non-invasive imaging, morphological and immunohistochemical study. Arch Dermatol Res 2013; 305:603-17. [DOI: 10.1007/s00403-013-1336-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Revised: 02/23/2013] [Accepted: 03/01/2013] [Indexed: 10/27/2022]
|
35
|
|
36
|
Gilmore SJ, Vaughan BL, Madzvamuse A, Maini PK. A mechanochemical model of striae distensae. Math Biosci 2012; 240:141-7. [PMID: 22796062 DOI: 10.1016/j.mbs.2012.06.007] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2011] [Revised: 06/28/2012] [Accepted: 06/29/2012] [Indexed: 11/16/2022]
Abstract
Striae distensae, otherwise known as stretch marks, are common skin lesions found in a variety of clinical settings. They occur frequently during adolescence or pregnancy where there is rapid tissue expansion and in clinical situations associated with corticosteroid excess. Heralding their onset is the appearance of parallel inflammatory streaks aligned perpendicular to the direction of skin tension. Despite a considerable amount of investigative research, the pathogenesis of striae remains obscure. The interpretation of histologic samples - the major investigative tool - demonstrates an association between dermal lymphocytic inflammation, elastolysis, and a scarring response. Yet the primary causal factor in their aetiology is mechanical; either skin stretching due to underlying tissue expansion or, less frequently, a compromised dermis affected by normal loads. In this paper, we investigate the pathogenesis of striae by addressing the coupling between mechanical forces and dermal pathology. We develop a mathematical model that incorporates the mechanical properties of cutaneous fibroblasts and dermal extracellular matrix. By using linear stability analysis and numerical simulations of our governing nonlinear equations, we show that this quantitative approach may provide a realistic framework that may account for the initiating events.
Collapse
Affiliation(s)
- Stephen J Gilmore
- Dermatology Research Centre, University of Queensland, School of Medicine, Princess Alexandra Hospital, Brisbane, Australia.
| | | | | | | |
Collapse
|
37
|
Rolfe H, Wurm E, Gilmore S. An investigation of striae distensae using reflectance confocal microscopy. Australas J Dermatol 2012; 53:181-5. [PMID: 22458385 DOI: 10.1111/j.1440-0960.2012.00884.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Striae distensae, otherwise known as stretch marks, are white or red scar-like streaks on the skin. Although they are not associated with adverse health outcomes, striae are associated with significant cosmetic morbidity. While they have been well characterised histopathologically, a non-invasive method of microscopic lesion assessment of striae would be welcome. METHODS To gain insight into the small-scale morphological features associated with striae we undertook an in vivo investigation of nine patients with striae alba and one with striae rubra utilising reflectance confocal microscopy (RCM). RESULTS Here we demonstrate that features known to be present using light microscopy, such as parallel collagen bundles in the dermis, and some features that are not well recognised by light microscopy, including distortion of dermal papillae, are demonstrable using RCM. CONCLUSIONS Characterising the features of early and established striae distensae with confocal microscopy is an important foundation for future work. The potential ability to reliably identify the earliest pathological changes in skin in early lesions or before clinically manifest striae develop--a task facilitated by our findings--will increase the understanding of their pathogenesis and will have significant practical utility in monitoring the impact of future preventative interventions.
Collapse
Affiliation(s)
- Heidi Rolfe
- Dermatology Research Centre, School of Medicine, University of Queensland, Brisbane, QLD 4102, Australia
| | | | | |
Collapse
|
38
|
Kelekci KH, Kelekci S, Destegul E, Aksoy A, Sut N, Yilmaz B. Prematurity: is it a risk factor for striae distensae? Int J Dermatol 2011; 50:1240-5. [DOI: 10.1111/j.1365-4632.2011.04899.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
39
|
Murphy BA, Bunda S, Mitts T, Hinek A. The hyperthermia-enhanced association between tropoelastin and its 67-kDa chaperone results in better deposition of elastic fibers. J Biol Chem 2010; 285:40282-93. [PMID: 20947500 PMCID: PMC3001008 DOI: 10.1074/jbc.m110.169656] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2010] [Revised: 09/20/2010] [Indexed: 11/06/2022] Open
Abstract
The results of our in vitro experiments indicate that exposing cultured human aortic smooth muscle cells and dermal fibroblasts to 39 to 41 °C induces a significant up-regulation in the net deposition of elastic fibers, but not of collagen I or fibronectin, and also decreases the deposition of chondroitin sulfate-containing moieties. We further demonstrate that mild hyperthermia also rectifies the insufficient elastogenesis notable in cultures of fibroblasts derived from the stretch-marked skin of adult patients and in cultures of dermal fibroblasts from children with Costello syndrome, which is characterized by the accumulation of chondroitin 6-sulfate glycosaminoglycans that induce shedding and inactivation of the 67-kDa elastin-binding protein. We have previously established that this protein serves as a reusable chaperone for tropoelastin and that its recycling is essential for the normal deposition of elastic fibers. We now report that hyperthermia not only inhibits deposition of chondroitin 6-sulfate moieties and the consequent preservation of elastin-binding protein molecules but also induces their faster recycling. This, in turn, triggers a more efficient preservation of tropoelastin, enhancement of its secretion and extracellular assembly into elastic fibers. The presented results encourage using mild hyperthermia to restore elastic fiber production in damaged adult skin and to enhance elastogenesis in children with genetic elastinopathies.
Collapse
Affiliation(s)
- Brooke A. Murphy
- From the Cardiovascular Research Program, The Hospital for Sick Children
| | - Severa Bunda
- From the Cardiovascular Research Program, The Hospital for Sick Children
| | - Thomas Mitts
- Human Matrix Sciences, LLC, Visalia, California 93291
| | - Aleksander Hinek
- From the Cardiovascular Research Program, The Hospital for Sick Children
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario M5G 1X8, Canada and
| |
Collapse
|
40
|
Aldosterone and mineralocorticoid receptor antagonists modulate elastin and collagen deposition in human skin. J Invest Dermatol 2010; 130:2396-406. [PMID: 20535129 DOI: 10.1038/jid.2010.155] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
We have shown that the steroid hormone aldosterone, recognized for its action on the kidney and the cardiovascular system, also modulates deposition of extracellular matrix in human skin. We have shown that treatment of primary cultures of normal skin fibroblasts with aldosterone (10 n-1 μM), in addition to stimulation of collagen type I expression, induces elastin gene expression and elastic fiber deposition. We have further shown that the elastogenic effect of aldosterone, which can be enhanced in the presence of mineralocorticoid receptor (MR) antagonists spironolactone and eplerenone, is executed in a MR-independent manner via amplification of IGF-I receptor-mediated signaling. Because aldosterone applied alone stimulates both collagen and elastin deposition in cultures of fibroblasts and in cultures of skin explants derived from dermal stretch marks, we postulate that this steroid should be used in the treatment of damaged skin that loses its volume and elasticity. Moreover, aldosterone applied in conjunction with spironolactone or eplerenone induces matrix remodeling and exclusively enhances elastogenesis in cultures of fibroblasts and explants derived from dermal scars and keloids. We therefore propose that intra-lesional injection of these factors should be considered in therapy for disfiguring dermal lesions and especially in prevention of their recurrence after surgical excision.
Collapse
|
41
|
Abstract
Striae distensae or stretch marks are cutaneous changes which may appear everywhere on the body, except for the face, and they usually occur in stretching areas. We want to present unusually large striae that developed nearly all the body of a 14-year-old patient during steroid therapy. Such huge striae are very rare, especially when the doses of steroids are not high. Widely spread striae are not a serious disease or disability, but only a cosmetic problem. However, they may lead to a persistent complex and feeling of inferiority or even cause serious depression states, especially in teenagers, as in this case.
Collapse
|
42
|
Elsaie ML, Baumann LS, Elsaaiee LT. Striae distensae (stretch marks) and different modalities of therapy: an update. Dermatol Surg 2009; 35:563-73. [PMID: 19400881 DOI: 10.1111/j.1524-4725.2009.01094.x] [Citation(s) in RCA: 103] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND Striae distensea (SD; stretch marks) are a well-recognized, common skin condition that rarely causes any significant medical problems but are often a significant source of distress to those affected. The origins of SD are poorly understood, and a number of treatment modalities are available for their treatment, yet none of them is consistently effective, and no single therapy is considered to be pivotal for this problem. With a high incidence and unsatisfactory treatments, stretch marks remain an important target of research for an optimum consensus of treatment. OBJECTIVE To identify the current treatment modalities and their effectiveness in the treatment of stretch marks. MATERIALS AND METHODS Review of the recent literature regarding clinical treatment of stretch marks with emphasis on the safety and efficacy of the newer optical devices and laser applications. RESULTS No current therapeutic option offers complete treatment, although there are a number of emerging new modalities that are encouraging. CONCLUSION The therapeutic strategies are numerous, and no single modality has been far more consistent than the rest. The long-term future of treatment strategies is encouraging with the advance in laser technologies.
Collapse
Affiliation(s)
- Mohamed L Elsaie
- Department of Dermatology and Cutaneous Surgery, Miller School of Medicine, University of Miami, Miami, Florida 33140, USA.
| | | | | |
Collapse
|
43
|
Cho S, Park ES, Lee DH, Li K, Chung JH. Clinical features and risk factors for striae distensae in Korean adolescents. J Eur Acad Dermatol Venereol 2006; 20:1108-13. [PMID: 16987267 DOI: 10.1111/j.1468-3083.2006.01747.x] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Despite the high prevalence of striae distensae, clinical studies are few in number, and their pathophysiology still obscure. OBJECTIVES To determine the prevalence and clinical characteristics of striae distensae that occur in Korean adolescents, and to correlate their clinical features with family history, other dermatological conditions, and body measurements. METHODS One hundred and fifty-seven healthy Korean students, aged 15 to 17, were studied. A questionnaire and physical examination were employed to assess the subjects' past and family history, and the distribution, clinical features and severity of striae distensae. RESULTS Striae distensae were present in 131 subjects (83.4%). Ninety-four (88.2%) of 109 male and 37 (77.1%) of 48 female subjects were affected. The striae were white in colour in 69.5% and asymptomatic in most of the subjects. They developed at an average age of 13.8 years. Family history was present in 18 subjects (11.5%). Seborrhoea of the face was positively correlated (P < 0.035) with striae distensae, and atopic dermatitis negatively correlated (P < 0.001). In both sexes, the buttock was the most prevalent area of striae development, followed by the lower back and knee in boys and by the thigh and calf in girls. Striae were significantly more common on the thigh of girls and on the knee of boys. CONCLUSIONS Our results indicate that striae distensae are a common skin condition that occurs early in puberty regardless of gender, and that they have a different anatomical distribution and relationship with body measurements in each gender.
Collapse
Affiliation(s)
- S Cho
- Department of Dermatology, Seoul National University College of Medicine, Seoul, Korea
| | | | | | | | | |
Collapse
|
44
|
Watson REB. Stretching the point: an association between the occurrence of striae and pelvic relaxation? J Invest Dermatol 2006; 126:1688-9. [PMID: 16845405 DOI: 10.1038/sj.jid.5700316] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Striae are seen in numerous clinical conditions, including pregnancy, and may be resultant from progressive, continuous skin stretching. Regardless of etiology, they appear as raised pink/purple lesions, which mature leaving depressed silver 'scars'. In this issue, Salter et al. explore the possibility that occurrence of striae may predict pelvic relaxation (prolapse of the pelvic organs) in later life.
Collapse
Affiliation(s)
- Rachel E B Watson
- Dermatological Sciences Research Group, Faculty of Medicine and Human Sciences, The University of Manchester, Manchester, United Kingdom.
| |
Collapse
|
45
|
Abstract
BACKGROUND Colours of striae distensae are often different from that of the surrounding skin. A close look using dermoscopy discloses distinct patterns of melanized networks at these sites. The aim of the study was to design a method of high-\resolution analytical analysis of the skin colours using the combination of photographic dermoscopy and small field reflectance colorimetry. METHODS Clinical photographs were taken from striae distensae and their surrounding skin using a Dermaphot (Heine Optotechnik, Hersching, Germany). A final magnification of 125x was obtained on paper photographs. The reflectance colorimeter Visi-Chroma VC-100 (Biophotonics, Lessines, Belgium) was used to measure colours of the pigmentary networks in the L*a*b* system. Differential colour parameters (deltaE*ab, deltaL*, deltaa*, deltab*) were calculated for each case between the lesional and the surrounding normal skin, and between the melanized reticulated pattern and the enclosed lighter areas. RESULTS Objective colorimetric assessments distinguished four distinct types, namely striae albae, striae rubrae, striae caeruleae and striae nigrae. The latter peculiar hyperpigmented type of striae distensae was specifically identified by epiluminescence examination in dark-skinned subjects. The fine-melanized honeycomb network present on the adjacent intact skin was reshaped inside striae in a streaky pattern perpendicular to the striae axis. Strong linear correlations were found between all combinations of deltaL* and deltab* evaluating colours of the reticulated and the honeycomb alveolar patterns both inside and outside the striae distensae. By contrast, no correlations were found between deltaa* and the other colorimetric parameters. CONCLUSION The direct and/or indirect influences of melanocyte mechanobiology appear to have a prominent effect on the various colours of striae distensae.
Collapse
Affiliation(s)
- J-F Hermanns
- Department of Dermatopathology, University Hospital Sart Tilman, Liège, Belgium
| | | |
Collapse
|
46
|
Viennet C, Bride J, Armbruster V, Aubin F, Gabiot AC, Gharbi T, Humbert P. Contractile forces generated by striae distensae fibroblasts embedded in collagen lattices. Arch Dermatol Res 2005; 297:10-7. [PMID: 15883849 DOI: 10.1007/s00403-005-0557-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2004] [Revised: 01/21/2005] [Accepted: 03/07/2005] [Indexed: 11/26/2022]
Abstract
Striae distensae are characterized by linear, smooth bands of atrophic-appearing skin that are reddish at first and finally white. They are due to stretching of the skin, as in rapid weight gain, or mechanical stress, as in weight lifting. The pathogenesis of striae distensae is unknown but probably relates to changes in the fibroblast phenotype. In order to characterize striae distensae fibroblasts, alpha-smooth muscle actin expression and contractile forces were studied. Five healthy women with early erythematous striae and five healthy women with older striae were selected. Paired biopsies were taken from the center of lesional striae and adjacent normal skin. Fibroblasts were obtained by an explant technique and expanded in vitro in Dulbecco's modified Eagle's medium. Contractile forces generated by fibroblasts in collagen lattices were measured with the Glasbox device developed in our laboratory. Alpha-smooth muscle actin expression was studied by immunofluorescence labeling of cells and by flow cytometry. Fibroblasts from early striae distensae were the richest cells in alpha-smooth muscle actin filaments and generated the highest contractile forces. Their peak contractile force was 26% greater than normal fibroblasts. There was a 150% higher level of alpha-smooth muscle actin content in fibroblasts from early striae distensae compared with fibroblasts from normal skin. In contrast, there was no significant difference in force generation between old striae fibroblasts and normal fibroblasts with cells expressing no alpha-smooth muscle actin. The contractile properties of fibroblasts from striae distensae varies depending on the stage of the disease. In early striae distensae, fibroblasts acquire a more contractile phenotype, corresponding to that of myofibroblasts.
Collapse
Affiliation(s)
- Céline Viennet
- Engineering and Cutaneous Biology Laboratory, IFR 133, School of Medicine and Pharmacy, 25000 Besançon, France
| | | | | | | | | | | | | |
Collapse
|
47
|
Piérard-Franchimont C, Hermanns JF, Hermanns-Lê T, Piérard GE. Striae distensae in darker skin types: the influence of melanocyte mechanobiology. J Cosmet Dermatol 2005; 4:174-8. [PMID: 17129262 DOI: 10.1111/j.1473-2165.2005.00306.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
INTRODUCTION Striae distensae in White people are commonly described as being reddish at first and turning white in time. This dual perception has been challenged. Indeed, the color difference between striae distensae and their surrounding skin varies on a wide range in part depending upon typology. AIM To study striae nigrae that are found only in subjects of darker complexion. MATERIALS AND METHODS In the present study conducted in 44 darker skin adults, dermoscopy was combined to reflectance colorimetry. RESULTS Striae nigrae exhibited hypermelanosis of the epidermal rete ridges crossing transversally the lesions in a laddering pattern. By contrast, striae albae showed only faint melanotic networks. CONCLUSIONS As striae distensae are in part under the influence of skin stretching, their colors are likely to be controlled by some mechanobiological process activating or inhibiting melanogenesis in people of darker complexion. No argument involving an inflammatory mechanism is supported by the present observations.
Collapse
Affiliation(s)
- C Piérard-Franchimont
- Dermocosmetology Unit, Department of Dermatopathology, University Hospital of Liège, Belgium
| | | | | | | |
Collapse
|
48
|
Abstract
BACKGROUND Striae gravidarum (SG) is a poorly characterized but common disfiguring condition of pregnancy. OBJECTIVE To better characterize the epidemiological factors associated with SG. METHODS An anonymous survey administered at Stanford Ambulatory Clinics sampled 161 women who had given birth. RESULTS Forty-eight-point-three percent of women with SG (43/89) versus 19.4% without SG (14/72) reported mothers with SG (odds ratio = 7.0, 95% confidence interval [CI] 2.7, 18.6). Forty-seven percent of women with SG (42/89 women) versus 18.1% without SG (13/72) reported additional relatives with SG (odds ratio = 7.2, 95% CI 2.9, 18.2). Eighty-one percent of women with SG (68/84) versus 30.5% without SG (18/59) reported a history of breast or thigh striae (odds ratio = 8.6, 95% CI 3.8, 19.9). Forty-seven percent of women with SG versus 17% without SG were non-white (odds ratio = 4.2, 95% CI 1.9, 9.6). CONCLUSION This study suggests that a history of breast or thigh striae, family history, and race is significantly predictive of SG development.
Collapse
Affiliation(s)
- Anne Lynn S Chang
- Department of Dermatology, Stanford University School of Medicine, Stanford, California, USA
| | | | | |
Collapse
|
49
|
|