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https://www.readbyqxmd.com/read/29159700/expression-and-distribution-patterns-of-spermine-spermidine-and-putrescine-in-rat-hair-follicle
#1
Yutaro Yamamoto, Takamitsu Makino, Hideo Kudo, Hironobu Ihn, Yasuko Murakami, Senya Matsufuji, Kunio Fujiwara, Masashi Shin
No expression and distribution patterns of polyamines (PAs), spermine, spermidine, and their precursor putrescine in mammalian hair follicle are available, although polyamines are known to correlate well with hair growth and epidermal tumor genesis. Immunohistochemistry (IHC) using our original two monoclonal antibodies (mAbs) ASPM-29 specific for spermine or spermidine, and APUT-32 specific for putrescine allowed us to detect immunoreactivity for polyamines in hair follicles from normal adult rats. A wide range of immunoreactivity for the total spermine and spermidine was observed in the compartments of hair follicle: The highest degree of immunoreactivity for polyamines was observed in the matrix, in the Huxley's layer, in the deeper Henle's layer, and in the cuticle of the inner root sheath/the hair cuticle, while moderate immunoreactivity existed in the lower-to-mid cortex and the companion layer, followed by lower immunoreactivity in the outer root sheath, including the bulge region and in the deeper medulla, in which the immunoreactivity was also evident in their nuclei...
November 21, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/29159692/germacrone-and-sesquiterpene-enriched-extracts-from%C3%A2-curcuma-aeruginosa-roxb-increase-skin-penetration-of-minoxidil-a-hair-growth-promoter
#2
Jukkarin Srivilai, Neti Waranuch, Anothai Tangsumranjit, Nantaka Khorana, Kornkanok Ingkaninan
Minoxidil is approved for topical treatment of androgenic alopecia but hampered by poor cutaneous absorption. Recently, the randomized control trial showed that hair loss treatment of minoxidil was improved by co-application of the anti-androgen, Curcuma aeruginosa Roxb. extract. Here, we aimed to show that the apparent synergism arises from improved cutaneous penetration of minoxidil by bioactive compound, germacrone or C. aeruginosa (as an n-hexane extract, or essential oil). The partition coefficient of germacrone was determined by HPLC...
November 20, 2017: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/29157820/nymphaeol-c-a-prenylflavonoid-from-macaranga-tanarius-suppresses-the-expression-of-fibroblast-growth-factor-18
#3
Kazuki Yoshimura, Takahiro Hosoya, Misa Fujinami, Toshiro Ohta, Shigenori Kumazawa
BACKGROUND: Fibroblast growth factor 18 (FGF18) is one of the key factors in human signaling pathways and has been reported to be associated with the formation of various tissues. Additionally, FGF18 has been reported to maintain the telogen stage of the hair cycle, and its over-expression has also been observed in cancer cells. HYPOTHESIS/PURPOSE: We searched for natural compounds that inhibit the expression of FGF18 expression in vitro and evaluated their inhibitory mechanisms...
December 1, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29157806/trigonelline-promotes-auditory-function-through-nerve-growth-factor-signaling-on-diabetic-animal-models
#4
Rodrigo Castañeda, Isabel Rodriguez, Youn Hee Nam, Bin Na Hong, Tong Ho Kang
BACKGROUND: Protection of cochlear function and reconstruction of neuronal networks in damaged auditory sensory structures is crucial for therapeutic treatment of diabetic hearing loss. Nerve growth factor (NGF) has been used as a novel therapeutic target to protect against the neurodegenerative effects of Diabetes Mellitus (DM). PURPOSE: We aimed to evaluate the potential effect of trigonelline (TRG) on reducing auditory damage produced by DM using NGF as a potential marker...
December 1, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29150339/hair-concentration-of-trace-elements-and-growth-in-homeless-children-aged-6years-results-from-the-enfams-study
#5
Lucia Fábelová, Stéphanie Vandentorren, Cécile Vuillermoz, Robert Garnier, Sandrine Lioret, Jérémie Botton
BACKGROUND: Growth is an important indicator of health in early childhood. This is a critical developmental period, during which a number of factors, including exposure to metals, might play a role in later physical and metabolic functions. OBJECTIVE: To study the association between exposure to arsenic (As), cadmium (Cd), mercury (Hg), lead (Pb) and selenium (Se), and physical growth of children from homeless families aged <6years. METHODS: This study was based on data of the cross-sectional survey (ENFAMS), which was conducted by the Observatoire du Samu Social on a random sample of homeless sheltered families in the Paris region during winter 2013...
November 14, 2017: Environment International
https://www.readbyqxmd.com/read/29149771/hoxc13-and-hsp27-expression-in-skin-and-the-periodic-growth-of-secondary-fiber-follicles-from-longdong-cashmere-goats-raised-in-different-production-systems
#6
Jiqing Wang, Ping Yu, Haifang Wang, Yanyu He
This experiment was conducted to identify periodic changes in secondary follicles (SFs) over one year of extensive (grazed) and intensive (housed and fed supplement) farming of Longdong cashmere goats. One-year old goats (n = 24, 12 extensively fed and 12 intensively fed) were studied. The diameter, depth, density, activity, and ultra-structural features of SFs were assessed using light microscopy and transmission electron microscopy (TEM). HOXC13 and HSP27 expression were studied using immunohistochemistry and immunofluorescence method...
November 17, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29145277/tricho-hepato-enteric-syndrome-with-novel-skiv2l-gene-mutations-a-case-report
#7
Eitaro Hiejima, Takahiro Yasumi, Hiroshi Nakase, Minoru Matsuura, Yusuke Honzawa, Hirokazu Higuchi, Ikuo Okafuji, Tohru Yorifuji, Takayuki Tanaka, Kazushi Izawa, Tomoki Kawai, Ryuta Nishikomori, Toshio Heike
RATIONALE: Tricho-hepato-enteric syndrome (THES) is a rare disorder caused by mutations in the TTC37 or SKIV2L genes and characterized by chronic diarrhea, liver disease, hair abnormalities, and high mortality in early childhood due to severe infection or liver cirrhosis. PATIENT CONCERNS: The patient is the second child of three siblings born to non-consanguineous healthy Japanese parents. She had intrauterine growth retardation and was delivered at 33 weeks of gestation due to placental abruption...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29143984/crispr-cas9-mediated-knockout-of-lim-domain-only-4-retards-organ-of-corti-cell-growth
#8
Rajamani Rathinam, Rita Rosati, Samson Jamesdaniel
Lim-domain only 4 (LMO4) plays a critical role in mediating the ototoxic side-effects of cisplatin, a highly effective anti-cancer drug. However, the signaling mechanism by which cochlear LMO4 mediates otopathology is yet to be fully understood. Knockout cell culture models are useful tools for investigating the functional roles of novel genes and delineating associated signaling pathways. Therefore, LMO4 knockout organ of Corti cells were generated by using the CRISPR (clustered regularly interspersed short palindromic repeats)/Cas9 (CRISPR-associated protein 9) system...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29143575/determination-of-illegal-adulteration-of-dietary-supplements-with-synthetic-hair-growth-compounds-by-uplc-and-lc-q-tof-ms
#9
Ji Hyun Lee, Gihaeng Kang, Han Na Park, Jihee Kim, Nam Sook Kim, Seongsoo Park, Sung-Kwan Park, Sun Young Baek, Hoil Kang
In this study, we developed a UPLC-PDA and LC-Q-TOF/MS method to identify and measure the following prohibited substances that may be found in dietary supplements: triaminodil, minoxidil, bimatoprost, alimemazine, diphenylcyclopropenone, α-tradiol, finasteride, methyltestosterone, spironolatone, flutamide, cyproterone, dutasteride, and testosterone 17-propionate.The method was validated according to International Conference on Harmonization guidelines in terms of specificity, linearity, accuracy, precision, LOD, LOQ, recovery, and stability...
November 16, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/29142765/duplication-of-19p13-3-in-11-year-old-male-patient-with-dysmorphic-features-and-intellectual-disability-a-review
#10
Irina Novikova, Paushpala Sen, Ann Manzardo, Merlin G Butler
We present a clinical report of an 11-year-old male patient with an interstitial duplication of 19p13.3 (829 kb in size) at genomic coordinates 3,804,495-4,033,722 bp (hg19) identified by chromosomal microarray analysis and review the literature from nine published reports adding knowledge regarding this chromosomal anomaly and clinical outcomes. The size of the duplication ranged from 0.83 to 8.9 Mb in the nine individuals. The young boy in our report was dysmorphic with microcephaly, abnormal craniofacial features, intellectual disability, aggression, and a heart murmur...
December 2017: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29139542/temporal-and-spatial-expression-patterns-of-hedgehog-receptors-in-the-developing-inner-and-middle-ear
#11
Jeong-Oh Shin, Harinarayana Ankamreddy, Naga Mahesh Jakka, Seokwon Lee, Un-Kyung Kim, Jinwoong Bok
The mammalian inner ear is a complex organ responsible for balance and hearing. Sonic hedgehog (Shh), a member of the Hedgehog (Hh) family of secreted proteins, has been shown to play important roles in several aspects of inner ear development, including dorsoventral axial specification, cochlear elongation, tonotopic patterning, and hair cell differentiation. Hh proteins initiate a downstream signaling cascade by binding to the Patched 1 (Ptch1) receptor. Recent studies have revealed that other types of co-receptors can also mediate Hh signaling, including growth arrest-specific 1 (Gas1), cell-adhesion molecules-related/down-regulated by oncogenes (Cdon), and biregional Cdon binding protein (Boc)...
2017: International Journal of Developmental Biology
https://www.readbyqxmd.com/read/29138430/extracellular-vesicles-derived-from-mscs-activates-dermal-papilla-cell-in-vitro-and-promotes-hair-follicle-conversion-from-telogen-to-anagen-in-mice
#12
Ramya Lakshmi Rajendran, Prakash Gangadaran, Soon Sun Bak, Ji Min Oh, Senthilkumar Kalimuthu, Ho Won Lee, Se Hwan Baek, Liya Zhu, Young Kwan Sung, Shin Young Jeong, Sang-Woo Lee, Jaetae Lee, Byeong-Cheol Ahn
Hair loss is a common medical problem. In this study, we investigated the proliferation, migration, and growth factor expression of human dermal papilla (DP) cells in the presence or absence of treatment with mesenchymal stem cell extracellular vesicles (MSC-EVs). In addition, we tested the efficacy of MSC-EV treatment on hair growth in an animal model. MSC-EV treatment increased DP cell proliferation and migration, and elevated the levels of Bcl-2, phosphorylated Akt and ERK. In addition; DP cells treated with MSC-EVs displayed increased expression and secretion of VEGF and IGF-1...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29136296/scalp-melanoma-after-anti-hair-loss-mesotherapy
#13
M Arenbergerova, P Arenberger, S Gkalpakiotis, R A Dahmen, E Sticova, A Fialova
Scalp melanoma comprises 3-5% of all cutaneous melanomas. The median age of the patients is 53 years and males are more frequently affected. The scalp melanomas tend to have nodular histology with a higher mitotic rate (>3/mm) and poorer prognosis (1). The risk factors for development of this tumor are still not defined but UV light and baldness may play a significant role (2-4). Mesotherapy is a non-surgical procedure currently being used to combat hair loss and promote hair growth. Usually a mixture of vitamins, minerals, growth factors, DHT blockers and/or stem cells extracts is injected into the dermal layer of skin (5,6)...
November 14, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29136266/prostanoids-and-hair-follicles-implications-for-therapy-of-hair-disorders
#14
Xue-Gang Xu, Hong-Duo Chen
Prostanoids, including prostaglandins (PGs) and thromboxane A2 (TXA2), are a family of lipid-derived autacoids that modulate many physiological systems and pathological contexts. Prostanoids are generated by sequential metabolism of arachidonic acid, catalysed by cyclo-oxygenase, to PGH2, which is then converted to PGD2, PGE2, PGF2α, PGI2 and TXA2, catalysed by their specific synthases. Recent evidence suggests that prostanoids play a role in regulating hair growth. The PGF2α analogue is Food and Drug Administration-approved and routinely used to enhance the growth of human eyelashes...
November 14, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/29131041/skin-manifestations-of-targeted-antineoplastic-therapy
#15
Onofre Sanmartín
The management of oncology patients has changed significantly over recent years, with the development of new targeted anticancer therapies. Cutaneous adverse effects are among the most frequently observed toxicities with many targeted agents; their intensity can be dose-limiting or lead to the discontinuation of therapy. Tyrosine kinase inhibitors can cause maculopapular rash and hand-foot reaction, whereas papulopustular rash, paronychia, regulatory changes in hair, and dryness are caused by epidermal growth factor receptor inhibitors...
2018: Current Problems in Dermatology
https://www.readbyqxmd.com/read/29130636/efficacy-of-subcutaneous-injection-of-platelet-rich-plasma-in-alopecia-a-clinical-and-histological-pilot-study-on-a-rat-model-with-a-six-month-long-term-follow-up-experience
#16
Sophie Orliac, Jean-Michel Serfaty, Anne Perozziello, Olivier Zurlinden, Liliane Louedec, Benjamin Dallaudière
PURPOSE: To assess the potential of platelet-rich plasma (PRP) subcutaneous injection of to treat alopecia and to evaluate local toxicity. MATERIALS-METHODS: Twelve Hairless rats were used. At D0, we performed systematic clinical examination and divided the rat back into four quadrants (Q). We initiated subcutaneous injection using either PRP in PRPQ+, platelet-poor plasma (PPP) in PPPQ+, physiological serum (PS) in PSQ+, or no treatment (Q4). At D7, D14, D21, and D28 but also second month (M2), M3, M4, M5, rats had exactly the same injection procedure...
November 11, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/29129979/hair-germ-model-in-vitro-via-human-postnatal-keratinocyte-dermal-papilla-interactions-impact-of-hyaluronic-acid
#17
Ekaterina Kalabusheva, Vasily Terskikh, Ekaterina Vorotelyak
Hair follicle (HF) reconstruction in vitro is a promising field in alopecia treatment and human HF development research. Here, we combined postnatal human dermal papilla (DP) cells and skin epidermal keratinocytes (KCs) in a hanging drop culture to develop an artificial HF germ. The method is based on DP cell hair-inducing properties and KC self-organization. We evaluated two protocols of aggregate assembling. Mixed HF germ-like structures demonstrated the initiation of epithelial-mesenchymal interaction, including WNT pathway activation and expression of follicular markers...
2017: Stem Cells International
https://www.readbyqxmd.com/read/29128463/objective-outcome-measures-collecting-meaningful-data-on-alopecia-areata
#18
Elise A Olsen, Janet Roberts, Leonard Sperling, Antonella Tosti, Jerry Shapiro, Amy McMichael, Wilma Bergfeld, Valerie Callender, Paradi Mirmirani, Ken Washenik, David Whiting, George Cotsarelis, Maria Hordinsky
BACKGROUND: Although alopecia areata is a common disorder, it has no FDA approved treatment and evidence-based therapeutic data is lacking. OBJECTIVE: To develop guidelines for the diagnosis, evaluation, assessment, response criteria and endpoints for alopecia areata. METHODS: Literature review and expert opinion of a group of dermatologists specializing in hair disorders. RESULTS: Standardized methods of assessing and tracking hair loss and growth including new scoring techniques, response criteria and endpoints in alopecia areata are presented...
November 8, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29125191/dual-flow-rootchip-reveals-local-adaptations-of-roots-towards-environmental-asymmetry-at-the-physiological-and-genetic-levels
#19
Claire E Stanley, Jagriti Shrivastava, Rik Brugman, Elisa Heinzelmann, Dirk van Swaay, Guido Grossmann
Roots grow in highly dynamic and heterogeneous environments. Biological activity as well as uneven nutrient availability or localized stress factors result in diverse microenvironments. Plants adapt their root morphology in response to changing environmental conditions, yet it remains largely unknown to what extent developmental adaptations are based on systemic or cell-autonomous responses. We present the dual-flow-RootChip, a microfluidic platform for asymmetric perfusion of Arabidopsis roots to investigate root-environment interactions under simulated environmental heterogeneity...
November 10, 2017: New Phytologist
https://www.readbyqxmd.com/read/29125183/ovarian-surgery-for-symptom-relief-in-women-with-polycystic-ovary-syndrome
#20
REVIEW
Sam Lepine, Junyoung Jo, Mostafa Metwally, Ying C Cheong
BACKGROUND: Polycystic ovary syndrome (PCOS) is a common endocrine condition, affecting approximately one in 10 women. PCOS is defined by two of three features: oligo- or anovulation, clinical or biochemical hyperandrogenism or both, or polycystic ovaries.Women with PCOS can have a wide range of health problems, including infrequent and irregular periods, unwanted hair growth and acne, and subnormal fertility. Long-term health concerns include an increased risk of heart disease, diabetes and the development of precancerous disease of the womb...
November 10, 2017: Cochrane Database of Systematic Reviews
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