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https://www.readbyqxmd.com/read/28649248/a-combination-of-podophyllotoxin-and-rutin-alleviates-radiation-induced-pneumonitis-and-fibrosis-through-modulation-of-lung-inflammation-in-mice
#1
Savita Verma, Bhargab Kalita, Sania Bajaj, Hridayesh Prakash, Ajay Kumar Singh, Manju Lata Gupta
Pneumonitis and pulmonary fibrosis are predominant consequences of radiation exposure, whether planned or accidental. The present study, demonstrates radioprotective potential of a formulation, prepared by combining podophyllotoxin and rutin (G-003M), in mice exposed to 11 Gy thoracic gamma radiation (TGR). Treated mice were observed for survival and other symptomatic features. Formation of reactive oxygen species (ROS)/nitric oxide (NO) was measured in bronchoalveolar lavage cells. DNA damage and cell death were assessed in alveolar cells by terminal deoxynucleotidyl transferase dUTP nick-end labeling assay...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28646092/deletion-analysis-of-agd1-reveals-domains-crucial-for-its-plasma-membrane-recruitment-and-function-in-root-hair-polarity
#2
Cheol-Min Yoo, Satoshi Naramoto, J Alan Sparks, Bibi Rafeiza Khan, Jin Nakashima, Hiroo Fukuda, Elison B Blancaflor
AGD1, a plant ACAP-type ADP-ribosylation factor-GTPase activating protein (ARF-GAP), functions in specifying root hair polarity in Arabidopsis thaliana To better understand how AGD1 modulates root hair growth, we generated full length and domain-deleted AGD1-green fluorescent protein (GFP) constructs, and followed their localization during root hair development. AGD1-GFP localized to the cytoplasm and was recruited to specific regions of the root hair plasma membrane (PM). Distinct PM AGD1-GFP signal was first detected along the site of root hair bulge formation...
June 23, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28644898/spatio-temporal-orientation-of-microtubules-controls-conical-cell-shape-in-arabidopsis-thaliana-petals
#3
Huibo Ren, Xie Dang, Xianzhi Cai, Peihang Yu, Yajun Li, Shanshan Zhang, Menghong Liu, Binqing Chen, Deshu Lin
The physiological functions of epidermal cells are largely determined by their diverse morphologies. Most flowering plants have special conical-shaped petal epidermal cells that are thought to influence light capture and reflectance, and provide pollinator grips, but the molecular mechanisms controlling conical cell shape remain largely unknown. Here, we developed a live-confocal imaging approach to quantify geometric parameters of conical cells in Arabidopsis thaliana (A.thaliana). Through genetic screens, we identified katanin (KTN1) mutants showing a phenotype of decreased tip sharpening of conical cells...
June 23, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28635319/a-case-of-topical-ruxolitinib-treatment-failure-in-alopecia-areata
#4
Maya Deeb, Renée A Beach
Alopecia areata (AA) is an autoimmune-mediated, nonscarring form of hair loss. Despite its prevalence, current management options are limited, especially when the disease has progressed to alopecia totalis (AT) or alopecia universalis (AU). Recent evidence that janus kinase (JAK) signaling contributes to AA pathogenesis prompted the investigation of JAK inhibitors such as tofacitinib and ruxolitinib as possible oral treatments. However, the potential for significant adverse effects with systemic JAK inhibition makes local administration a more attractive option...
June 1, 2017: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28632712/regulating-hair-growth
#5
Ioana Visan
No abstract text is available yet for this article.
June 20, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28631368/crispr-cas9-mediated-loss-of-fgf5-function-increases-wool-staple-length-in-sheep
#6
Wen-Rong Li, Chen-Xi Liu, Xue-Mei Zhang, Lei Chen, Xin-Rong Peng, San-Gang He, Jia-Peng Lin, Bin Han, Li-Qin Wang, Jun-Cheng Huang, Ming-Jun Liu
Fibroblast growth factor 5 (FGF5) regulates hair length in humans and a variety of other animals. To investigate whether FGF5 has similar effects in sheep, we used CRISPR/Cas9 to generate loss-of-function mutations with the FGF5 gene in Chinese Merino sheep. A total of 16 lambs were identified with genetic mutations within the targeting locus: 13 lambs had biallelic modifications and 3 lambs had monoallelic modifications. Characterization of the modifications revealed that 13 were frame shift mutations that led to premature termination; the other 3 were in-frame deletions...
June 20, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28628687/the-infatuation-with-biotin-supplementation-is-there-truth-behind-its-rising-popularity-a-comparative-analysis-of-clinical-efficacy-versus-social-popularity
#7
Teo Soleymani, Kristen Lo Sicco, Jerry Shapiro
<p>Biotin, also known as Vitamin B7 or vitamin H, is a water-soluble B vitamin that acts as an essential cofactor for several carboxylases involved in the cellular metabolism of fatty acids, amino acids, and gluconeogenesis. Although there exists an incredible amount of social media hype and market advertising touting its efficacy for the improvement of hair quantity and quality, biotin's efficacy for hair remains largely unsubstantiated in scientific literature. We reviewed all pertinent scientific literature regarding the efficacy of biotin supplementation for hair growth and quality improvement, and we also investigated its popularity in society defined as a function of market analytics...
May 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28626889/from-basal-cell-morphogenesis-to-the-alopecia-induced-by-hedgehog-inhibitors-connecting-the-dots
#8
REVIEW
C Dessinioti, C Antoniou, A J Stratigos
The deciphering of the hedgehog (Hh) signaling pathway implicated in the tumorigenesis of basal cell carcinoma (BCC), led to the development of targeted drug therapies, e.g. the hedgehog pathway inhibitors (HPI), vismodegib and sonidegib. In the skin, physiologic Hh signaling is activated in growing hair follicles, where it is required for proliferation of the epithelium of hair follicles during morphogenesis and for their postnatal growth. The effects of HPI treatment leading to the regression of BCC and the development of alopecia, underpin the central role of the Hh pathway in BCC formation as well as hair cycling...
June 18, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28624115/evaluation-of-amnion-in-creation-of-neovagina-in-women-with-mayer-rokitansky-kuster-hauser-syndrome
#9
Richa Vatsa, Juhi Bharti, Kallol Kumar Roy, Sunesh Kumar, Jai Bhagwan Sharma, Neeta Singh, Seema Singhal, Jyoti Meena
OBJECTIVE: To assess the outcome of amnion vaginoplasty in cases of vaginal agenesis due to Mayer-Rokitansky-Kuster-Hauser (MRKH) syndrome managed at the authors' institution. DESIGN: Retrospective study. SETTING: Tertiary care hospital. PATIENT(S): Fifty women with MRKH who underwent neovaginoplasty. INTERVENTION(S): Modified McIndoe's vaginoplasty was done in all the patients, using human amnion graft...
June 14, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28619931/immune-control-of-hair-growth
#10
Lisa D Chong
No abstract text is available yet for this article.
June 16, 2017: Science
https://www.readbyqxmd.com/read/28612487/anagen-effluvium-in-association-with-extracorporeal-membrane-oxygenation
#11
Lisa Cotter, Kyle Cheng, Anna Yasmine Kirkorian
Anagen effluvium (AE) is a type of alopecia with hair loss during the growth phase of a hair follicle and is most often associated with cytotoxic chemotherapy. This report describes a case of AE in a critically ill 2-year-old boy who developed cardiorespiratory failure requiring extracorporeal membranous oxygenation. We postulate that the combination of hypotension and hypoxia with subsequent reperfusion triggered an apoptotic cascade in the hair matrix, resulting in AE.
June 13, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28607955/wound-healing-protects-against-chemotherapy-induced-alopecia-in-young-rats-via-up-regulating-interleukin-1%C3%AE-mediated-signaling
#12
Olivera Stojadinovic, Tongyu C Wikramanayake, Alexandra C Villasante Fricke, Natalie C Yin, Liang Liang, Eleanor Hinde, Julia Escandon, Marjana Tomic-Canic, David M Ansell, Ralf Paus, Joaquin J Jimenez
Wound healing is a complex process regulated by various cell types and a plethora of mediators. While interactions between wounded skin and the hair follicles (HFs) could induce HF neogenesis or promote wound healing, it remains unknown whether the wound healing-associated signaling milieu can be manipulated to protect against alopecia, such as chemotherapy-induced alopecia (CIA). Utilizing a well-established neonatal rat model of CIA, we show here that skin wounding protects from alopecia caused by several clinically relevant chemotherapeutic regimens, and that protection is dependent on the time of wounding and hair cycle stage...
May 2017: Heliyon
https://www.readbyqxmd.com/read/28607088/skin-specific-regulation-of-srebp-processing-and-lipid-biosynthesis-by-glycerol-kinase-5
#13
Duanwu Zhang, Wataru Tomisato, Lijing Su, Lei Sun, Jin Huk Choi, Zhao Zhang, Kuan-Wen Wang, Xiaoming Zhan, Mihwa Choi, Xiaohong Li, Miao Tang, Jose M Castro-Perez, Sara Hildebrand, Anne R Murray, Eva Marie Y Moresco, Bruce Beutler
The recessive N-ethyl-N-nitrosourea-induced phenotype toku is characterized by delayed hair growth, progressive hair loss, and excessive accumulation of dermal cholesterol, triglycerides, and ceramides. The toku phenotype was attributed to a null allele of Gk5, encoding glycerol kinase 5 (GK5), a skin-specific kinase expressed predominantly in sebaceous glands. GK5 formed a complex with the sterol regulatory element-binding proteins (SREBPs) through their C-terminal regulatory domains, inhibiting SREBP processing and activation...
June 12, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28604133/a-preliminary-study-on-topical-cetirizine-in-the-therapeutic-management-of-androgenetic-alopecia
#14
A Rossi, D Campo, M C Fortuna, V Garelli, G Pranteda, D Di Nunno, M Carlesimo
Androgenetic alopecia (AGA) is a common form of scalp hair loss that affects up to 50% of males between 18-40 years old. Several molecules are commonly used for the treatment of AGA, acting on different steps of its pathogenesis (Minoxidil, Finasteride, Serenoa repens) and show some side effects. In literature, on the basis of hypertrichosis observed in patients treated with analogues of prostaglandin PGF2α, was supposed that prostaglandins would have an important role in the hair growth: PGE and PGF2α play a positive role, while PGD2 a negative one...
June 12, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28599846/planar-cell-polarity-dependent-and-independent-functions-in-the-emergence-of-tissue-scale-hair-follicle-patterns
#15
Maureen Cetera, Liliya Leybova, Frank W Woo, Michael Deans, Danelle Devenport
Hair follicles of the mammalian epidermis display local order and global alignment, a complex pattern instructed by the core planar cell polarity (PCP) pathway. Here we address the contributions of core PCP genes, Van Gogh-like and Frizzled, to the establishment, local refinement, and global order of embryonic and postnatal hair follicles. We find that, similar to Fz6 mutants, the disordered hair patterns of Vangl2 mutants are refined over time and eventually corrected. In both mutants, we find that tissue-level reorientation occurs through locally coordinated follicle rotation at stereotyped locations...
June 7, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28598005/higher-concentrations-of-dithranol-appear-to-induce-hair-growth-even-in-severe-alopecia-areata
#16
M R Ngwanya, N A Gray, F Gumedze, A Ndyenga, N P Khumalo
Alopecia areata (AA) is the commonest autoimmune cause of non-scarring alopecia. Topical treatments including corticosteroids and irritants maybe beneficial. Studies report variable hair regrowth with dithranol (anthralin) but all used low concentrations (0.1-1.25%) and inconsistent measurements of AA severity. We report retrospective data (2005-2014) of 102 patients who had failed ultra-potent topical steroids and were referred to a specialist hair clinic for treatment with dithranol up to 3%. The severity of alopecia areata tool was used and participants graded as mild (<25%), moderate (>25 to 75%), and severe (>75%) hair loss...
June 9, 2017: Dermatologic Therapy
https://www.readbyqxmd.com/read/28595998/targeting-of-cxxc5-by-a-competing-peptide-stimulates-hair-re-growth-and-wound-induced-hair-neogenesis
#17
Soung-Hoon Lee, Seol Hwa Seo, Dong-Hwan Lee, Long-Quan Pi, Won-Soo Lee, Kang-Yell Choi
The Wnt/β-catenin pathway has been implicated in hair follicle development and hair regeneration in adults. We discovered that CXXC-type zinc finger protein 5 (CXXC5) is a negative regulator of the Wnt/β-catenin pathway involved in hair re-growth and wound-induced hair follicle neogenesis (WIHN) via an interaction with Dishevelled (Dvl). CXXC5 was up-regulated in miniaturized hair follicles and arrector pili muscles in human balding scalps. The inhibitory effects of CXXC5 on alkaline phosphatase activity and cell proliferation were demonstrated using human hair follicle dermal papilla cells...
June 5, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28595564/electric-field-oriented-growth-of-long-hair-like-silica-microfibrils-and-derived-functional-monolithic-solids
#18
Michael Z Hu, David W DePaoli, Tanya Kuritz, Ogbemi O Omatete
We present a "bottom-up" fabrication approach to first grow a new class of inorganic (silica) long hair-like microfibrils or microwires and then to form monolithic solid pellet that contains parallel arrays of bundled microfibrils with a controlled orientation. During the sol-gel solution processing, reactive precursor species are utilized as molecular "building blocks" for the field-directed assembly growth of microfibrils driven by an electric field of pulsed direct current (dc) with controlled frequency...
April 20, 2017: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/28593779/-hirsutism
#19
M Fanta
OBJECTIVE: Overview of excessive hair growth in women, hirsutism. Although women with hirsutism typically present because of cosmetic concerns, the majority also have an underlying endocrine disorder. DESIGN: Review article. SETTING: Department of Gynecology and Obstetrics, General Faculty Hospital and 1st Faculty of Medicine of Charles Universtity, Prague. MATERIAL AND METHODS: Hirsutism is a clinical diagnosis defined by the presence of excess terminal hair growth (dark, coarse hairs) in androgen-sensitive areas...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/28593683/aging-in-hair-follicle-stem-cells-and-niche-microenvironment
#20
REVIEW
Jiang Ji, Bryan Siu-Yin Ho, Ge Qian, Xiao-Ming Xie, Paul Lorenz Bigliardi, Mei Bigliardi-Qi
Hair graying and hair loss are prominent and common characteristics of the elderly population. In some individuals these processes can significantly impact their quality of life, leading to depression, anxiety and other serious mental health problems. Accordingly, there has been much interest in understanding the complex physiological changes within the hair follicle in the aging individual. It is now known that hair follicles represent a prototypical stem cell niche, where both micro- and macroenvironmental influences are integrated alongside stem cell-stem cell and stem cell-stem niche interactions to determine hair growth or hair follicle senescence...
June 8, 2017: Journal of Dermatology
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