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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/28316988/bioengineered-plants-can-be-a-useful-source-of-omega-3-fatty-acids
#3
REVIEW
Waleed Amjad Khan, Hu Chun-Mei, Nadeem Khan, Amjad Iqbal, Shan-Wu Lyu, Farooq Shah
Omega-3 fatty acids have proven to be very essential for human health due to their multiple health benefits. These essential fatty acids (EFAs) need to be uptaken through diet because they are unable to be produced by the human body. These are important for skin and hair growth as well as for proper visual, neural, and reproductive functions of the body. These fatty acids are proven to be extremely vital for normal tissue development during pregnancy and infancy. Omega-3 fatty acids can be obtained mainly from two dietary sources: marine and plant oils...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28314794/the-microtubule-associated-protein-map18-affects-rop2-gtpase-activity-during-root-hair-growth
#4
Erfang Kang, Mingzhi Zheng, Yan Zhang, Ming Yuan, Shaul Yalovsky, Lei Zhu, Ying Fu
Establishment and maintenance of the polar site are important for root hair tip growth. We previously reported that Arabidopsis (Arabidopsis thaliana) MICROTUBULE-ASSOCIATED PROTEIN18 (MAP18) functions in controlling the direction of pollen tube growth and root hair elongation. Additionally, the Rop GTPase ROP2 was reported as a positive regulator of both root hair initiation and tip growth in Arabidopsis. Both loss-of-function of ROP2 or knock-down of MAP18 leads to a decrease in root hair length, whereas overexpression of either MAP18 or ROP2 causes multiple tips or a branching hair phenotype...
March 17, 2017: Plant Physiology
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/28299199/advances-in-understanding-hypopituitarism
#6
REVIEW
Mareike R Stieg, Ulrich Renner, Günter K Stalla, Anna Kopczak
The understanding of hypopituitarism has increased over the last three years. This review provides an overview of the most important recent findings. Most of the recent research in hypopituitarism has focused on genetics. New diagnostic techniques like next-generation sequencing have led to the description of different genetic mutations causative for congenital dysfunction of the pituitary gland while new molecular mechanisms underlying pituitary ontogenesis have also been described. Furthermore, hypopituitarism may occur because of an impairment of the distinctive vascularization of the pituitary gland, especially by disruption of the long vessel connection between the hypothalamus and the pituitary...
2017: F1000Research
https://www.readbyqxmd.com/read/28298846/menkes-disease-and-response-to-copper-histidine-an-indian-case-series
#7
Sangeetha Yoganathan, Sniya Valsa Sudhakar, Gautham Arunachal, Maya Thomas, Annadurai Subramanian, Renu George, Sumita Danda
BACKGROUND: Menkes disease (MD) is an X-linked recessive neurodegenerative disorder caused by mutations in ATP7A gene. Depending on the residual ATP7A activity, manifestation may be classical MD, occipital horn syndrome, or distal motor neuropathy. Neurological sparing is expected in female carriers. However, on rare occasions, females may manifest with classical clinical phenotype due to skewed X-chromosome inactivation, X-autosome translocation, and XO genotype. Here, we describe a small series of probands with MD and their response to copper histidine therapy...
January 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28297140/foxn1-duplication-and-congenital-hypertrichosis
#8
Eimear Gilhooley, Siobhan Gormally, Alan Irvine, Sally Ann Lynch, Sinead Collins
We report a case of congenital hypertrichosis and FOXN1 duplication. FOXN1 is a member of the forkhead box gene family, located on chromosome 17. Its function includes differentiation of epithelial cells and regulation of keratinocytes, especially hair keratins. Loss of function of these transcription factors leads to a disruption in hair growth. As far as we are aware, this is the first case of FOXN1 duplication associated with congenital hypertrichosis to be reported in the literature.
March 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28286514/ethylene-improves-root-system-development-under-cadmium-stress-by-modulating-superoxide-anion-concentration-in-arabidopsis-thaliana
#9
Ann Abozeid, Zuojia Ying, Yingchao Lin, Jia Liu, Zhonghua Zhang, Zhonghua Tang
This work aims at identifying the effects of ethylene on the response of Arabidopsis thaliana root system to cadmium chloride (CdCl2) stress. Two ethylene-insensitive mutants, ein2-5 and ein3-1eil1-1, were subjected to (25, 50, 75, and 100 μM) CdCl2 concentrations, from which 75 μM concentration decreased root growth by 40% compared with wild type Col-0 as a control. Ethylene biosynthesis increased in response to CdCl2 treatment. The length of primary root and root tip in ein2-5 and ein3-1eil1-1 decreased compared with wild type after CdCl2 treatment, suggesting that ethylene play a role in root system response to Cd stress...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28285661/colonization-and-beneficial-effects-on-annual-ryegrass-by-mixed-inoculation-with-plant-growth-promoting-bacteria
#10
Nádia L Castanheira, Ana Catarina Dourado, Isabel Pais, José Semedo, Paula Scotti-Campos, Nuno Borges, Gilda Carvalho, Maria Teresa Barreto Crespo, Paula Fareleira
Multi-strain inoculants have increased potential to accomplish a diversity of plant needs, mainly attributed to its multi-functionality. This work evaluated the ability of a mixture of three bacteria to colonize and induce a beneficial response on the pasture crop annual ryegrass. Pseudomonas G1Dc10 and Paenibacillus G3Ac9 were previously isolated from annual ryegrass and were selected for their ability to perform multiple functions related to plant growth promotion. Sphingomonas azotifigens DSMZ 18530(T) was included due to nitrogen fixing ability...
May 2017: Microbiological Research
https://www.readbyqxmd.com/read/28280893/aesthetic-eyebrow-reconstruction-with-an-expanded-scalp-island-flap-pedicled-by-the-superficial-temporal-artery
#11
Xing Yuan Pang, Jun Ren, Wei Xu, Rui Wan, Wei Yuan, Ying Shu
PURPOSE: This case study demonstrates a new operative method of eyebrow reconstruction, in which the hair density of the reconstructed eyebrow is controlled by the surgeon and is more similar to that of the uninjured side, resulting in a more natural facial expression and greater aesthetic value for our patients. MATERIALS AND METHODS: The operation was divided into two stages: Stage 1: Implantation of a soft tissue expander into the corresponding subgaleal position of the parietal branch of the superficial temporal artery on the injured side, followed by dilation of the expander until the density of the hair on the expanded scalp reached a suitable value and was lower than that of the uninjured eyebrow...
March 9, 2017: Aesthetic Plastic Surgery
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
#12
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/28279165/root-morphogenic-pathways-in-eucalyptus-grandis-are-modified-by-the-activity-of-protein-arginine-methyltransferases
#13
Krista L Plett, Anita E Raposo, Stephen Bullivant, Ian C Anderson, Sabine C Piller, Jonathan M Plett
BACKGROUND: Methylation of proteins at arginine residues, catalysed by members of the protein arginine methyltransferase (PRMT) family, is crucial for the regulation of gene transcription and for protein function in eukaryotic organisms. Inhibition of the activity of PRMTs in annual model plants has demonstrated wide-ranging involvement of PRMTs in key plant developmental processes, however, PRMTs have not been characterised or studied in long-lived tree species. RESULTS: Taking advantage of the recently available genome for Eucalyptus grandis, we demonstrate that most of the major plant PRMTs are conserved in E...
March 9, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28278205/complement-effectors-c5a-and-c3a-in-cystic-fibrosis-lung-fluid-correlate-with-disease-severity
#14
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/28277973/an-ancient-transcriptional-regulatory-module-for-tip-growth-has-been-conserved-throughout-the-vascular-plant-lineage
#15
Hyung-Taeg Cho
The root hair development of vascular plants can be divided into two major processes, fate determination and hair morphogenesis, and the latter should be governed by the former so as to express the morphogenetic toolkits in a root hair-specific manner. Vascular plants, depending on taxa, show different fate-determining mechanisms for hair cell/non-hair cell fates, which leads to a question whether the downstream mophogenetic regulatory module is diverged accordingly to the upstream fate determiners or not. Our study demonstrates that the module of a transcription factor and a root hair-specific cis-element (RHE) for root hair-specific expression of morphogenetic toolkit genes is conserved in spite of different fate-determing mechanisms...
February 17, 2017: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/28264599/bimatoprost-for-the-treatment-of-eyelash-eyebrow-and-scalp-alopecia
#16
Yevher Lorena Barrón-Hernández, Antonella Tosti
Alopecia is a common condition observed among people of all ages. It is a disorder that can involve only the scalp as observed in androgenetic alopecia or scalp and body as in alopecia areata or patients under chemotherapy treatment. There are several treatment options with different safety and efficacy outcomes. Bimatoprost, a synthetic prostamide F2α analog originally approved for the treatment of ocular hypertension and open-angle glaucoma, is now FDA approved as a 0.03%, solution to be applied once daily to increase eyelashes growth...
March 16, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28264554/hearing-improvement-in-a-j-mice-via-the-mouse-nerve-growth-factor
#17
Lixiang Gao, Ruli Ge, Gang Xie, Dandan Yao, Ping Li, Oumei Wang, Xiufang Ma, Fengchan Han
Objectives: To investigate the otoprotective effects of mouse nerve growth factor (mNGF) in A/J mice. Methods: The mice at postnatal day 7 (P7) were randomly separated into a mNGF treated group (mNGF group) and a distilled water (for injection) treated group (control group). The mNGF dissolved in distilled water or distilled water alone was given to the mice once every other day from P7 by intramuscular injection in the hips. The otoprotective effects of mNGF in A/J mice were observed in a time course manner...
March 8, 2017: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/28259916/notch-signaling-is-significantly-suppressed-in-basal-cell-carcinomas-and-activation-induces-basal-cell-carcinoma-cell-apoptosis
#18
Feng-Tao Shi, Mei Yu, David Zloty, Robert H Bell, Eddy Wang, Noushin Akhoundsadegh, Gigi Leung, Anne Haegert, Nicholas Carr, Jerry Shapiro, Kevin J McElwee
A subset of basal cell carcinomas (BCCs) are directly derived from hair follicles (HFs). In some respects, HFs can be defined as 'ordered' skin appendage growths, while BCCs can be regarded as 'disordered' skin appendage growths. The aim of the present study was to examine HFs and BCCs to define the expression of common and unique signaling pathways in each skin appendage. Human nodular BCCs, along with HFs and non‑follicular skin epithelium from normal individuals, were examined using microarrays, qPCR, and immunohistochemistry...
February 2, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28259688/hair-growth-cycle-is-arrested-in-scd1-deficiency-by-impaired-wnt3a-palmitoleoylation-and-retrieved-by-artificial-lipid-barrier
#19
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/28251567/fungal-succession-on-keratinous-hair-and-nail-baits-of-human-origin
#20
Sunita Mahariya, Meenakshi Sharma
Mycologically, succession is more precisely the sequential occupation of the same site by thalli (normally mycelia) either of different fungi or of different associations of fungi. For the study of fungal succession on hair bait, different soil samples were collected from different habitats of Jaipur. The fungal growth isolated from soil samples was observed macroscopically and microscopically for the appearance of fungi at regular interval of 15 days for more than 6 months. Regular microscopic examination of fungi of soil samples baited with hair showed a successional colonization of non-keratinophilic and keratinophilic fungi...
March 1, 2017: Mycopathologia
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