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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
#1
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/28317864/targeted-deletion-of-crif1-in-mouse-epidermis-impairs-skin-homeostasis-and-hair-morphogenesis
#2
Jung-Min Shin, Dae-Kyoung Choi, Kyung-Cheol Sohn, Ji-Young Kim, Myung Im, Young Lee, Young-Joon Seo, Minho Shong, Jeung-Hoon Lee, Chang Deok Kim
The epidermis, which consists mainly of keratinocytes, acts as a physical barrier to infections by regulating keratinocyte proliferation and differentiation. Hair follicles undergo continuous cycling to produce new one. Therefore, optimum supply of energy from the mitochondria is essential for maintaining skin homeostasis and hair growth. CRIF1 is a mitochondrial protein that regulates mitoribosome-mediated synthesis and insertion of mitochondrial oxidative phosphorylation polypeptides into the mitochondrial membrane in mammals...
March 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28315609/the-levonorgestrel-releasing-intrauterine-device-potentiates-stress-reactivity
#3
Jurate Aleknaviciute, Joke H M Tulen, Yolanda B De Rijke, Christian G Bouwkamp, Mark van der Kroeg, Mirjam Timmermans, Vincent L Wester, Veerle Bergink, Witte J G Hoogendijk, Henning Tiemeier, Elisabeth F C van Rossum, Cornelis G Kooiman, Steven A Kushner
BACKGROUND: The levonorgestrel-releasing intrauterine device (LNG-IUD) is currently recommended as a first-line contraceptive with an exclusively local intrauterine influence. However, recent clinical trials have identified side effects of LNG-IUD that appear to be systemically mediated, including depressed mood and emotional lability. METHODS: We performed two experimental studies and a cross-sectional study. For each study, women were included from three groups: LNG-IUD (0...
February 28, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28303511/macro-and-microelement-status-in-animal-and-human-hypertension-the-role-of-the-ace-gene-i-d-polymorphism
#4
Olena Pavlyushchik, Viktor Afonin, Svetlana Fatykhava, Polina Shabunya, Viktoryia Sarokina, Aliaksandr Khapaliuk
Genetic factors that predispose to hypertension may contribute to element disturbances observed in hypertensive patients. We tested the hypothesis that the deletion allele of the angiotensin-converting enzyme (ACE) gene is associated with element imbalances in hypertension. The concentrations of elements in genetically predisposed to hypertension rats (SHRs) and their controls (WKY rats) were also examined. ICP-MS was used for elemental analysis of human hair and animal fur. Genotyping was performed by PCR...
March 16, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28300084/alopecia-areata
#5
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
#6
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/28278205/complement-effectors-c5a-and-c3a-in-cystic-fibrosis-lung-fluid-correlate-with-disease-severity
#7
Pamela S Hair, Laura A Sass, Turaj Vazifedan, Tushar A Shah, Neel K Krishna, Kenji M Cunnion
In cystic fibrosis (CF), lung damage is mediated by a cycle of obstruction, infection, inflammation and tissue destruction. The complement system is a major mediator of inflammation for many diseases with the effectors C5a and C3a often playing important roles. We have previously shown in a small pilot study that CF sputum soluble fraction concentrations of C5a and C3a were associated with clinical measures of CF disease. Here we report a much larger study of 34 CF subjects providing 169 testable sputum samples allowing longitudinal evaluation comparing C5a and C3a with clinical markers...
2017: PloS One
https://www.readbyqxmd.com/read/28276853/worsening-of-rest-activity-circadian-rhythm-and-quality-of-life-in-female-breast-cancer-patients-along-progression-of-chemotherapy-cycles
#8
Armiya Sultan, Vivek Choudhary, Arti Parganiha
Chemotherapy and its associated side effects can induce the disruption of circadian rest-activity rhythm and may have negative consequences on health-related quality of life (HRQoL) of cancer patients. In the current study, repeated-measures cross-sectional design was implemented to determine the status of circadian rest-activity rhythm and to assess the HRQoL of newly diagnosed female breast cancer patients those were planned to receive six cycles of chemotherapy. Rest activity and HRQoL were assessed in twenty-five patients during chemotherapy cycles 1st (C1), 3rd (C3), and 6th (C6) immediately after they reported to the outdoor ward of the Regional Cancer Center, Pt...
February 16, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28259688/hair-growth-cycle-is-arrested-in-scd1-deficiency-by-impaired-wnt3a-palmitoleoylation-and-retrieved-by-artificial-lipid-barrier
#9
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/28259680/slc1a3-creer-as-a-targeting-tool-for-the-k6-epithelial-stem-cell-niche-and-its-precursors-during-mouse-hair-follicle-cycle
#10
Aiko Sada, Prachi Jain, Sherry Wang, Eva Leung, Tudorita Tumbar
No abstract text is available yet for this article.
March 1, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28239926/documenting-dna-in-the-dust
#11
M T P Gilbert
I bought a robotic vacuum cleaner this summer and set it to work. Although my initial expectations were not high, my robot (christened Buddy) finished its cleaning cycle, and then insistently demanded that I empty its dust collection box. As I took the box out, my jaw dropped. I live in a modern house, we don't have pets, and I like to think that I keep it reasonably dust free. But, there was much dust in that box. And when I ran it again 2 days later, the same thing happened. And indeed, every 2 days, Buddy dutifully goes to work, and sucks up a similarly impressive quantity...
February 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28238662/coordination-by-cdc42-of-actin-contractility-and-adhesion-for-melanoblast-movement-in-mouse-skin
#12
Emma F Woodham, Nikki R Paul, Benjamin Tyrrell, Heather J Spence, Karthic Swaminathan, Michelle R Scribner, Evangelos Giampazolias, Ann Hedley, William Clark, Frieda Kage, Daniel J Marston, Klaus M Hahn, Stephen W G Tait, Lionel Larue, Cord H Brakebusch, Robert H Insall, Laura M Machesky
The individual molecular pathways downstream of Cdc42, Rac, and Rho GTPases are well documented, but we know surprisingly little about how these pathways are coordinated when cells move in a complex environment in vivo. In the developing embryo, melanoblasts originating from the neural crest must traverse the dermis to reach the epidermis of the skin and hair follicles. We previously established that Rac1 signals via Scar/WAVE and Arp2/3 to effect pseudopod extension and migration of melanoblasts in skin...
March 6, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28230212/establishment-of-planar-cell-polarity-is-coupled-to-regional-cell-cycle-exit-and-cell-differentiation-in-the-mouse-utricle
#13
Xiaoyu Yang, Xiaoqing Qian, Rui Ma, Xinwei Wang, Juanmei Yang, Wenwei Luo, Ping Chen, Fanglu Chi, Dongdong Ren
Sensory hair cells are coordinately oriented within each inner ear sensory organ to exhibit a particular form of planar cell polarity (PCP) necessary for mechanotransduction. However, the developmental events associated with establishing PCP in the vestibule are unclear, hindering data interpretation and employment of the vestibule for PCP studies. Herein, we investigated PCP of the mouse vestibular organs. We further characterised cell cycle exit, cell differentiation, and PCP establishment in the utricle...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28228108/expression-profiling-and-bioinformatic-analyses-suggest-new-target-genes-and-pathways-for-human-hair-follicle-related-micrornas
#14
Lara M Hochfeld, Thomas Anhalt, Céline S Reinbold, Marisol Herrera-Rivero, Nadine Fricker, Markus M Nöthen, Stefanie Heilmann-Heimbach
BACKGROUND: Human hair follicle (HF) cycling is characterised by the tight orchestration and regulation of signalling cascades. Research shows that micro(mi)RNAs are potent regulators of these pathways. However, knowledge of the expression of miRNAs and their target genes and pathways in the human HF is limited. The objective of this study was to improve understanding of the role of miRNAs and their regulatory interactions in the human HF. METHODS: Expression levels of ten candidate miRNAs with reported functions in hair biology were assessed in HFs from 25 healthy male donors...
February 22, 2017: BMC Dermatology
https://www.readbyqxmd.com/read/28225954/frequency-severity-and-related-factors-of-androgenetic-alopecia-in-dermatology-outpatient-clinic-hospital-based-cross-sectional-study-in-turkey
#15
Kubra Esen Salman, Ilknur Kivanc Altunay, Nihal Asli Kucukunal, Asli Aksu Cerman
BACKGROUND: Androgenetic alopecia (AGA) is a patterned hair loss occurring due to systemic androgen and genetic factors. It is the most common cause of hair loss in both genders. In recent years, many studies investigating the relation between systemic diseases and androgenetic alopecia presented controversial results. OBJECTIVES: In this study we aimed to investigate the frequency of androgenetic alopecia, the presence of accompanying systemic diseases, the relation between body mass index and androgenetic alopecia severity and the association of hyperandrogenemia signs with androgenetic alopecia in patients who referred to our outpatient clinic...
January 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28220468/the-hair-shedding-visual-scale-a-quick-tool-to-assess-hair-loss-in-women
#16
María Abril Martínez-Velasco, Norma Elizabeth Vázquez-Herrera, Austin John Maddy, Daniel Asz-Sigall, Antonella Tosti
INTRODUCTION: Hair shedding is a common consequence of the normal hair cycle that changes with internal and external factors. Female pattern hair loss (FPHL) is difficult to assess in terms of shedding severity as the conscious perception of hair shedding varies according to each individual, and most utilized methods are semi-invasive or very time consuming. In this study, we establish and validate a hair-shedding scale for women with thick hair of different lengths. METHODS: A visual analog scale was developed for thick hair of short, medium, and long lengths by dividing a bundle of hairs of each length into nine piles of increasing hair amount that were then photographed and arranged in order of size...
March 2017: Dermatology and Therapy
https://www.readbyqxmd.com/read/28211785/continuous-infusion-of-a-large-dose-of-cf-and-5-fu-combined-with-cddp-in-the-treatment-of-advanced-esophageal-cancer
#17
Zheng-Qiu Zhu, Zu-An Zhu, Hong-Xing Cai
5-fluorouracil (5-FU) and cisplatin (CDDP) are common chemotherapy drugs used in the treatment of patients with advanced esophageal cancer. We investigated the efficacy of adding a continuous infusion of a large dose of a common adjuvant, citrovorumfactor (CF), to the traditional 5-FU/wCDDP regimen. 50 patients with advanced esophageal cancer were treated with a continuous infusion of CF, 5-FU, and CDDP, and the short-term effects, adverse reactions, and survival periods after treatment were analyzed. Overall, the treatment was effective in 58% of patients, and the therapeutic effects of the first-line of chemotherapy were significantly better than the second-line (u = 4...
February 17, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28211089/icariin-promotes-mouse-hair-follicle-growth-by-increasing-insulin-like-growth-factor-1-expression-in-dermal-papillary-cells
#18
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/28196257/association-between-use-of-a-scalp-cooling-device-and-alopecia-after-chemotherapy-for-breast-cancer
#19
MULTICENTER STUDY
Hope S Rugo, Paula Klein, Susan Anitra Melin, Sara A Hurvitz, Michelle E Melisko, Anne Moore, Glen Park, Jules Mitchel, Erika Bågeman, Ralph B D'Agostino, Elizabeth S Ver Hoeve, Laura Esserman, Tessa Cigler
Importance: Chemotherapy-induced alopecia is a common and distressing adverse effect. In previous studies of scalp cooling to prevent chemotherapy-induced alopecia, conclusions have been limited. Objectives: To evaluate whether use of a scalp cooling system is associated with a lower amount of hair loss among women receiving specific chemotherapy regimens for early-stage breast cancer and to assess related changes in quality of life. Design, Setting, and Participants: A prospective cohort study conducted at 5 US medical centers of women with stage I or II breast cancer receiving adjuvant or neoadjuvant chemotherapy regimens excluding sequential or combination anthracycline and taxane (106 patients in the scalp cooling group and 16 in the control group; 14 matched by both age and chemotherapy regimen)...
February 14, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28196254/effect-of-a-scalp-cooling-device-on-alopecia-in-women-undergoing-chemotherapy-for-breast-cancer-the-scalp-randomized-clinical-trial
#20
RANDOMIZED CONTROLLED TRIAL
Julie Nangia, Tao Wang, Cynthia Osborne, Polly Niravath, Kristen Otte, Steven Papish, Frankie Holmes, Jame Abraham, Mario Lacouture, Jay Courtright, Richard Paxman, Mari Rude, Susan Hilsenbeck, C Kent Osborne, Mothaffar Rimawi
Importance: Chemotherapy may induce alopecia. Although scalp cooling devices have been used to prevent this alopecia, efficacy has not been assessed in a randomized clinical trial. Objectives: To assess whether a scalp cooling device is effective at reducing chemotherapy-induced alopecia and to assess adverse treatment effects. Design, Setting, and Participants: Multicenter randomized clinical trial of women with breast cancer undergoing chemotherapy...
February 14, 2017: JAMA: the Journal of the American Medical Association
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