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https://www.readbyqxmd.com/read/28329578/localized-anagen-effluvium-and-cataract-development-following-an-extended-fluoroscopic-interventional-procedure
#1
Calida Danko, Jason Suszko, Nicole Fett
The skin and the eyes are prone to radiation-induced injury in fluoroscopic procedures. The degree of injury is related to various exposure and patient-related factors. We report a man who presented with an alopecic patch on the left occipital scalp following an extended fluoroscopically-guided endovascular procedure. He subsequently experienced complete hair regrowth, but was later diagnosed with a cataract in his left eye. To our knowledge this is the first report of both anagen effluvium and cataract development in a patient following fluoroscopic radiation exposure...
November 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28324846/novel-alk5-inhibitor-tp0427736-reduces-tgf-%C3%AE-%C3%A3-induced-growth-inhibition-in-human-outer-root-sheath-cells-and-elongates-anagen-phase-in-mouse-hair-follicles
#2
Takumi Naruse, Mari Aoki, Natsuko Fujimoto, Seiji Arase, Hajimu Oura, Yasuji Ueda, Akiko Ikeda
BACKGROUND: Androgenic alopecia (AGA) occurs as a result of the contraction of the anagen phase because of the action of androgens on hair follicles. TGF-β production from dermal papillae is enhanced by androgens, and growth inhibition of hair-follicle cells is induced by TGF-β, and the hair cycle progresses from the anagen phase to the catagen phase. We investigated both the in vitro and in vivo potency of the newly identified ALK5 inhibitor TP0427736 {6-[4-(4-methyl-1,3-thiazol-2-yl)-1H-imidazol-5-yl]-1,3-benzothiazole}...
January 25, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28321536/effect-of-sinapic-acid-on-hair-growth-promoting-in-human-hair-follicle-dermal-papilla-cells-via-akt-activation
#3
Hyunju Woo, Seungjun Lee, Seungbeom Kim, Deokhoon Park, Eunsun Jung
Hair loss known as alopecia is caused by abnormal hair follicle cycling including shortening of the anagen (growth) phase and changing of hair follicle morphology with miniaturization. In accordance with the life extension, the quality of life is considered to be a most important thing. The yearning for healthy and beautiful hair and low self esteem due to hair loss had negative influence on the quality of life with psychosocial maladjustment. The objective of this research was to identify new compound that can be used as a drug to promote hair growth...
March 20, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28300084/alopecia-areata
#4
REVIEW
C Herbert Pratt, Lloyd E King, Andrew G Messenger, Angela M Christiano, John P Sundberg
Alopecia areata is an autoimmune disorder characterized by transient, non-scarring hair loss and preservation of the hair follicle. Hair loss can take many forms ranging from loss in well-defined patches to diffuse or total hair loss, which can affect all hair-bearing sites. Patchy alopecia areata affecting the scalp is the most common type. Alopecia areata affects nearly 2% of the general population at some point during their lifetime. Skin biopsies of affected skin show a lymphocytic infiltrate in and around the bulb or the lower part of the hair follicle in the anagen (hair growth) phase...
March 16, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28284826/permanent-alopecia-in-patients-with-breast-cancer-after-taxane-chemotherapy-and-adjuvant-hormonal-therapy-clinicopathologic-findings-in-a-cohort-of-10-patients
#5
Athina Fonia, Carlo Cota, Jane F Setterfield, Lynne J Goldberg, David A Fenton, Catherine M Stefanato
BACKGROUND: Anagen effluvium with reversible scalp alopecia is a known side effect of chemotherapy. However, there are an increasing number of reports in the literature documenting permanent alopecia in patients treated with taxanes. OBJECTIVE: We sought to describe the clinicopathologic features in breast cancer patients who underwent treatment with taxanes and adjuvant hormonal chemotherapy. METHODS: We reviewed the clinical and histopathologic information of a cohort of 10 patients treated with taxanes and adjuvant hormonal chemotherapy...
March 8, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28280377/promotion-of-anagen-increased-hair-density-and-reduction-of-hair-fall-in-a-clinical-setting-following-identification-of-fgf5-inhibiting-compounds-via-a-novel-2-stage-process
#6
Dominic Burg, Masakuni Yamamoto, Masato Namekata, Joseph Haklani, Koichiro Koike, Maria Halasz
BACKGROUND: There are very few effective, scientifically validated treatments with known mechanisms of action for treatment of hair loss in both men and women. Fibroblast growth factor 5 (FGF5) is an important factor in the irreversible transition from anagen to catagen, and inhibition of FGF5 prolongs anagen phase and reduces hair loss. OBJECTIVE: We aimed to screen botanically derived molecules for FGF5 inhibitory activity in vitro and assess efficacy in a clinical setting...
2017: Clinical, Cosmetic and Investigational Dermatology
https://www.readbyqxmd.com/read/28259688/hair-growth-cycle-is-arrested-in-scd1-deficiency-by-impaired-wnt3a-palmitoleoylation-and-retrieved-by-artificial-lipid-barrier
#7
Wilhelm Stoffel, Inga Schmidt-Soltau, Britta Jenke, Erika Binczek, Ina Hammels
Stearoyl-CoA desaturase 1 (SCD1) is the dominant member of the SCD-isozyme family, regarded as a major regulator of lipid and energy metabolism in liver and adipose tissue. SCD1-deficiency impairs the desaturation of de novo-synthesized palmitoyl- and stearoyl-CoA to palmitoleoyl- and oleoyl- CoA. Scd1-/- mice develop metabolic waste syndrome and skin lesions: epidermal barrier disruption, alopecia and degeneration of sebaceous glands. The unifying molecular link between the two divergent traits remains incompletely understood...
March 1, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28229231/hair-follicle-changes-following-intense-pulsed-light-axillary-hair-reduction-histometrical-histological-and-immunohistochemical-evaluation
#8
Moetaz El-Domyati, Wael Hosam, Noha H Moftah, Hamza Abdel Raouf, Selwet M Saad
Intense pulsed light (IPL) has been used for years in hair reduction; however, no previous studies discussed quantitative histological and immunohistochemical changes of hair follicles after IPL. Accordingly, this study aims to objectively quantify histological and immunohistochemical changes of hair follicles after IPL hair reduction. Right axillae of 21 volunteers were subjected to 6 IPL sessions using Quanta system IPL and evaluated at 1 week and 1 month after last session (i.e., 3 and 4 months from the start of treatment, respectively) in comparison to baseline and left control axillae...
April 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28211089/icariin-promotes-mouse-hair-follicle-growth-by-increasing-insulin-like-growth-factor-1-expression-in-dermal-papillary-cells
#9
Y-S Su, Z-X Fan, S-E Xiao, B-J Lin, Y Miao, Z-Q Hu, H Liu
BACKGROUND: Icariin is a major flavonoid isolated from Epimedium spp. leaves (Epimedium Herba), and has multiple pharmacological functions, including anti-angiogenesis, anti-oxidant, anti-inflammatory and immunoprotective effects. AIM: To investigate whether icariin can stimulate growth of hair follicles in mice and the underlying mechanism. METHODS: In vitro, the effect of icariin on hair growth was assessed by using a vibrissae hair follicle (VHF) organ-culture model...
February 16, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28193226/hair-growth-promoting-effect-of-geranium-sibiricum-extract-in-human-dermal-papilla-cells-and-c57bl-6-mice
#10
William A Boisvert, Miri Yu, Youngbin Choi, Gi Hee Jeong, Yi-Lin Zhang, Sunghun Cho, Changsun Choi, Sanghyun Lee, Bog-Hieu Lee
BACKGROUND: Geranium sibiricum L. has been used as a medicinal plant to treat diarrhea, bacterial infection, and cancer in Bulgaria, Peru, and Korea. However, its hair growth-promoting effect was not investigated so far. This study examined the effects of Geranium sibiricum L. extract (GSE) on hair growth, using in vitro and in vivo models. METHODS: Antioxidant, proliferation and migration assay of GSE was performed with human dermal papilla cells (hDPCs). Hair-growth promoting effect was measured in animal model...
February 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28185006/hair-follicle-stem-cell-proliferation-akt-and-wnt-signaling-activation-in-tpa-induced-hair-regeneration
#11
Weiming Qiu, Mingxing Lei, Ling Zhou, Xiufeng Bai, Xiangdong Lai, Yu Yu, Tian Yang, Xiaohua Lian
Regeneration of hair follicles relies on activation of hair follicle stem cells during telogen to anagen transition process in hair cycle. This process is rigorously controlled by intrinsic and environmental factors. 12-o-tetradecanoylphorbol-13-acetate (TPA), a tumor promoter, accelerates reentry of hair follicles into anagen phase. However, it is unclear that how TPA promotes the hair regeneration. In the present study, we topically applied TPA onto the dorsal skin of 2-month-old C57BL/6 female mice to examine the activity of hair follicle stem cells and alteration of signaling pathways during hair regeneration...
February 9, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/28144274/noonan-syndrome-a-new-survey
#12
Alireza Tafazoli, Peyman Eshraghi, Zahra Kamel Koleti, Mohammadreza Abbaszadegan
Noonan syndrome (NS) is an autosomal dominant disorder with vast heterogeneity in clinical and genetic features. Various symptoms have been reported for this abnormality such as short stature, unusual facial characteristics, congenital heart abnormalities, developmental complications, and an elevated tumor incidence rate. Noonan syndrome shares clinical features with other rare conditions, including LEOPARD syndrome, cardio-facio-cutaneous syndrome, Noonan-like syndrome with loose anagen hair, and Costello syndrome...
February 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28143780/msi2-maintains-quiescent-state-of-hair-follicle-stem-cells-by-directly-repressing-the-hh-signaling-pathway
#13
Xianghui Ma, Yuhua Tian, Yongli Song, Jianyun Shi, Jiuzhi Xu, Kai Xiong, Jia Li, Wenjie Xu, Yiqiang Zhao, Jianwei Shuai, Lei Chen, Maksim V Plikus, Christopher Lengner, Fazheng Ren, Lixiang Xue, Zhengquan Yu
Hair follicles (HFs) undergo precisely regulated cycles of active regeneration consisting of (anagen), involution (catagen), and relative quiescence (telogen) phases. HF stem cells (HFSCs) play important roles in regenerative cycling. Elucidating mechanisms that governs HFSC behavior can help uncover the underlying principles of hair development, hair growth disorders and skin cancers. RNA-binding proteins of the Musashi (Msi) have been implicated in the biology of different stem cell types, yet they have not been studied in HFSCs...
January 28, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28117106/stress-induced-premature-senescence-of-dermal-papilla-cells-compromises-hair-follicle-epithelial-mesenchymal-interaction
#14
Wen-Yen Huang, Yi-Ching Huang, Kai-Shin Huang, Chih-Chieh Chan, Hsien-Yi Chiu, Ren-Yeu Tsai, Jung-Yi Chan, Sung-Jan Lin
BACKGROUND: Hair follicle is miniorgan constituted by keratinocytes and its distinctive mesenchyme of dermal papilla. Its aging is characterized by organ atrophy and impaired stem cell activation and differentiation. The contribution of dermal papilla to hair follicle aging change is not well understood. OBJECTIVE: This work was aimed at exploring the possible role of premature dermal papilla senescence in the pathogenesis of hair follicle aging. METHODS: Dermal papilla cells were challenged with H2O2 to induce premature senescence and the proliferation, apoptosis, gene expression and protein secretion were characterized...
January 5, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28094870/igf1r-signaling-acts-on-the-anagen-to-catagen-transition-in-the-hair-cycle
#15
Mathieu Castela, Fabien Linay, Edwige Roy, Philippe Moguelet, Jie Xu, Martin Holzenberger, Kiarash Khosrotehrani, Selim Aractingi
Insulin like growth factor 1 (IGF1) is important for skin development and homeostasis. However, overexpression and inactivation studies have produced variable findings regarding its role in hair follicle (HF) biology. Here, we studied a conditional and inducible knockout of the IGF1 receptor (IGF1R) in keratin 15-expressing bulge cells. Deletion of IGF1R after the development of the skin appendages in K15-IGF1R(KO) mice showed no abnormalities in epidermal homeostasis. Numbers of bulge cells were lower in K15-IGF1R(KO) mice than in controls, without consequences on wound healing, at least in young mice...
January 17, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28093668/molecular-characterization-of-hoxc8-gene-and-methylation-status-analysis-of-its-exon-1-associated-with-the-length-of-cashmere-fiber-in-liaoning-cashmere-goat
#16
Wen L Bai, Jiao J Wang, Rong H Yin, Yun L Dang, Ze Y Wang, Yu B Zhu, Yu Y Cong, Liang Deng, Dan Guo, Shi Q Wang, Shu H Yang, Hui L Xue
Homeobox protein Hox-C8 (HOXC8) is a member of Hox family. It is expressed in the dermal papilla of the skin and is thought to be associated with the hair inductive capacity of dermal papilla cells. In the present study, we isolated and characterized a full-length open reading frame of HOXC8 cDNA from the skin tissue of Liaoning cashmere goat, as well as, established a phylogenetic relationship of goat HOXC8 with that of other species. Also, we investigated the effect of methylation status of HOXC8 exon 1 at anagen secondary hair follicle on the cashmere fiber traits in Liaoning cashmere goat...
February 2017: Genetica
https://www.readbyqxmd.com/read/28028522/preparation-and-evaluation-of-a-hair-wax-containing-propolis-and-eruca-sativa-seed-oil-for-hair-growth
#17
Mohammad-Ali Shatalebi, Leila Safaeian, Azar Baradaran, Mozhde Alamdarian
BACKGROUND: Hair growth as a key consumer objective has important role in the hair care products researches. This study was aimed to investigate the effect of a hair wax containing propolis, a resinous mixture produced by honeybees in Eruca sativa seed oil base on hair growth. MATERIALS AND METHODS: The hair wax was designed and formulated compared with marketed brand hair wax and evaluated for pharmaceutical parameters including pH, homogeneity, consistency, spread ability, in vitro drug release, and stability...
2016: Advanced Biomedical Research
https://www.readbyqxmd.com/read/27997570/the-study-on-biological-function-of-keratin-26-a-novel-member-of-liaoning-cashmere-goat-keratin-gene-family
#18
Mei Jin, Jing Wang, Ming-Xing Chu, Jun Piao, Jing-Ai Piao, Feng-Qin Zhao
In our research, we explored the relationship between Keratin 26 and the regulation of fine hair, BMP signaling pathway, MT, FGF5, and IGF-I. The result of hybridization in situ revealed that Keratin 26 was specially expressed in cortex of skin hair follicles; the result of immunohistochemistry indicated that Keratin 26 was expressed in internal root sheath, external root sheath. Then, Real-time quantitative PCR results showed that relative expressive quantity of Keratin 26 was 1.08 or 3.3 × greater in secondary follicle than primary follicle during anagen or catagen; the difference during anagen was not remarkable (p>0...
2016: PloS One
https://www.readbyqxmd.com/read/27974900/the-hair-growth-promoting-effect-of-rumex-japonicus-houtt-extract
#19
Hyunkyoung Lee, Na-Hyun Kim, Hyeryeon Yang, Seong Kyeong Bae, Yunwi Heo, Indu Choudhary, Young Chul Kwon, Jae Kuk Byun, Hyeong Jun Yim, Byung Seung Noh, Jeong-Doo Heo, Euikyung Kim, Changkeun Kang
Rumex japonicus Houtt. is traditionally used as a medicinal plant to treat patients suffering from skin disease in Korea. However, the beneficial effect of Rumex japonicus Houtt. on hair growth has not been thoroughly examined. Therefore, the present study aims to investigate the hair growth-promoting effect of Rumex japonicus (RJ) Houtt. root extract using human dermal papilla cells (DPCs), HaCaT cells, and C57BL/6 mice model. RJ induced antiapoptotic and proliferative effects on DPCs and HaCaT cells by increasing Bcl-2/Bax ratio and activating cellular proliferation-related proteins, ERK and Akt...
2016: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/27932380/absence-of-vitamin-d-receptor-vdr-mediated-ppar%C3%AE-suppression-causes-alopecia-in-vdr-null-mice
#20
Vaibhav Saini, Hengguang Zhao, Elizabeth T Petit, Francesca Gori, Marie B Demay
Vitamin D receptor (VDR) mutations in humans and mice cause alopecia. VDR-null (VDR(-/-)) mice exhibit lack of postmorphogenic hair cycles as a result of impaired keratinocyte stem cell (KSC) function. To identify the molecular basis for abnormal KSC function, RNA sequencing of wild-type (WT) and VDR(-/-) KSCs was performed. These studies demonstrated that >80% of differentially expressed genes are up-regulated in VDR(-/-) KSCs; thus, the VDR is a transcriptional suppressor in WT KSCs. Peroxisome proliferator-activated receptor γ (PPARγ), PPARγ coactivator 1β (PGC1β), and lipoprotein lipase (LPL) were among the up-regulated genes identified...
March 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
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