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https://www.readbyqxmd.com/read/28423200/cd80cd86-deficiency-disrupts-regulatory-cd4-foxp3-t-cell-homeostasis-and-induces-autoimmune-like-alopecia
#1
Ji-Hyun Bae, Woo-Sung Hwang, Yoo-Jin Jang, Yoon-Hoo Lee, Da-Eun Jang, Jung-Sik Kim, Su-Cheong Yeom
Alopecia areata (AA) is an autoimmune disease that results in spot baldness in humans. Adequate animal models for AA are currently lacking. The objective of this study was to elucidate the mechanism of autoimmune-like alopecia (ALA) in C57BL/6.CD80CD86-deficient (B6.CD80CD86(-/-) ) mice. Incidence and severity of alopecia were analyzed in 58 B6.CD80CD86(-/-) mice by using histological examination, flow cytometry, multiplex enzyme-linked immunosorbent assay, quantitative RT-PCR, and CD25 inhibition test. Both male and female B6...
April 19, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28422407/mutations-in-tgds-associated-with-additional-malformations-of-the-middle-fingers-and-halluces-atypical-catel-manzke-syndrome-in-a-fetus
#2
Katharina Schoner, Rainer Bald, Denise Horn, Helga Rehder, Uwe Kornak, Nadja Ehmke
Pierre-Robin sequence, radial deviation, and ulnar clinodactyly of the index fingers due to an additional phalangeal bone, as well as heart defects are the key features of Catel-Manzke syndrome. Although mutations in TGDS were identified as the cause of this disorder, the pathogenetic mechanism remains unknown. Here, we report on a fetus with severe heart defect, nuchal edema, talipes, Pierre-Robin sequence, and bilateral deviation and clinodactyly of the index and middle fingers. Pregnancy was terminated at the 22nd week of gestation...
April 19, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28419572/genome-wide-differential-expression-profiling-of-long-non-coding-rnas-in-androgenetic-alopecia-in-a-chinese-male-population
#3
Linlin Bao, Aijiao Yu, Yaojia Luo, Tian Tian, Yuxi Dong, Haifeng Zong, Hongduo Chen, Xinghua Gao, Xuegang Xu, Yuanhong Li
BACKGROUND: Androgenetic alopecia (AGA), or male pattern baldness (MPB), is the most common form of hair loss in males. A combination of genetic and androgen causes have been suggested as factors that contribute to the development of AGA. However, the specific molecular mechanisms that underly AGA remain largely unknown. Long noncoding RNAs (lncRNAs), a new class of regulatory noncoding RNAs that are longer than 200 nucleotides, have been shown to play important roles in a number of cellular processes, including transcription, chromosome remodelling, and posttranscriptional processing...
April 17, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28403520/study-of-gene-expression-alteration-in-male-androgenetic-alopecia-evidence-of-predominant-molecular-signaling-pathways
#4
L Michel, P Reygagne, P Benech, F Jean-Louis, S Scalvino, S Ly Ka So, Z Hamidou, S Bianovici, J Pouch, B Ducos, M Bonnet, A Bensussan, A Patatian, E Lati, J Wdzieczak-Bakala, J-C Choulot, E Loing, M Hocquaux
BACKGROUND: Male androgenetic alopecia (AGA) is the most common form of hair loss in men and is characterized by a distinct pattern of progressive hair loss starting from the frontal area and the vertex of the scalp. Although several genetic risk loci have been identified, relevant genes for AGA remain to be defined. OBJECTIVES: Herein, molecular biomarkers associated with premature AGA were identified through gene expression analysis using cDNA generated from scalp vertex biopsies of hairless/bald men with premature AGA and healthy volunteers...
April 12, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28400527/targeting-energy-metabolism-in-mycobacterium-tuberculosis-a-new-paradigm-in-antimycobacterial-drug-discovery
#5
REVIEW
Dirk Bald, Cristina Villellas, Ping Lu, Anil Koul
Drug-resistant mycobacterial infections are a serious global health challenge, leading to high mortality and socioeconomic burdens in developing countries worldwide. New innovative approaches, from identification of new targets to discovery of novel chemical scaffolds, are urgently needed. Recently, energy metabolism in mycobacteria, in particular the oxidative phosphorylation pathway, has emerged as an object of intense microbiological investigation and as a novel target pathway in drug discovery. New classes of antibacterials interfering with elements of the oxidative phosphorylation pathway are highly active in combating dormant or latent mycobacterial infections, with a promise of shortening tuberculosis chemotherapy...
April 11, 2017: MBio
https://www.readbyqxmd.com/read/28372367/fast-piezoelectric-valve-offering-controlled-gas-injection-in-magnetically-confined-fusion-plasmas-for-diagnostic-and-fuelling-purposes
#6
M Griener, O Schmitz, K Bald, D Bösser, M Cavedon, P De Marné, T Eich, G Fuchert, A Herrmann, A Kappatou, T Lunt, V Rohde, B Schweer, M Sochor, U Stroth, A Terra, E Wolfrum
In magnetically confined fusion plasmas controlled gas injection is crucial for plasma fuelling as well as for various diagnostic applications such as active spectroscopy. We present a new, versatile system for the injection of collimated thermal gas beams into a vacuum chamber. This system consists of a gas pressure chamber, sealed by a custom made piezo valve towards a small capillary for gas injection. The setup can directly be placed inside of the vacuum chamber of fusion devices as it is small and immune against high magnetic fields...
March 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28370750/dyslipidemia-after-pediatric-renal-transplantation-the-impact-of-immunosuppressive-regimens
#7
Sandra Habbig, Ruth Volland, Kai Krupka, Uwe Querfeld, Luca Dello Strologo, Aytül Noyan, Fatos Yalcinkaya, Rezan Topaloglu, Nicholas J A Webb, Markus J Kemper, Lars Pape, Martin Bald, Birgitta Kranz, Christina Taylan, Britta Höcker, Burkhard Tönshoff, Lutz T Weber
Dyslipidemia contributes to cardiovascular morbidity and mortality in pediatric transplant recipients. Data on prevalence and risk factors in pediatric cohorts are, however, scarce. We therefore determined the prevalence of dyslipidemia in 386 pediatric renal transplant recipients enrolled in the CERTAIN registry. Data were obtained before and during the first year after RTx to analyze possible non-modifiable and modifiable risk factors. The prevalence of dyslipidemia was 95% before engraftment and 88% at 1 year post-transplant...
May 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28355494/potential-methane-emission-reductions-for-two-manure-treatment-technologies
#8
Andrew VanderZaag, Hambaliou Baldé, Anna Crolla, Robert J Gordon, Martin Ngwabie, Claudia Wagner-Riddle, Ray Desjardins, Doug MacDonald
The biochemical methane potential (BMP) of manure is needed to predict CH4 emissions from stored livestock manure and to assess emission mitigation techniques. This study evaluated the effect of two dairy manure treatments, solid-liquid separation (SLS) and anaerobic digestion (AD), on methane potential and the speed of production. Assays were performed in the lab to measure methane (CH4) production over 202 d from dairy manure samples taken before and after each treatment. Compared to raw manure, CH4 emissions on a per-L basis were reduced 81% by SLS and 59% by AD, on average...
March 29, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28349362/androgenetic-alopecia-a-review
#9
REVIEW
Francesca Lolli, Francesco Pallotti, Alfredo Rossi, Maria C Fortuna, Gemma Caro, Andrea Lenzi, Andrea Sansone, Francesco Lombardo
PURPOSE: Androgenetic alopecia, commonly known as male pattern baldness, is the most common type of progressive hair loss disorder in men. The aim of this paper is to review recent advances in understanding the pathophysiology and molecular mechanism of androgenetic alopecia. METHODS: Using the PubMed database, we conducted a systematic review of the literature, selecting studies published from 1916 to 2016. RESULTS: The occurrence and development of androgenetic alopecia depends on the interaction of endocrine factors and genetic predisposition...
March 28, 2017: Endocrine
https://www.readbyqxmd.com/read/28346212/stability-of-extemporaneously-prepared-hydroxycarbamide-oral-suspensions
#10
Djamila Kabiche, Issa-Bella Balde, Elyes Majoul, Sofiane Kabiche, Elodie Bourguignon, Jean-Eudes Fontan, Salvatore Cisternino, Jöel Schlatter
Hydroxycarbamide, available as tablets, is a pharmacological agent for fetal hemoglobin induction such as sickle cell anemia. The need for alternative dosage form options for patients unable to take tablets led hospital pharmacies to prepare solutions and suspensions. The objective of this study was to determine the stability of hydroxycarbamide in Ora-Plus in combination with either Ora-Sweet or Ora-Sweet SF, Ora-Blend, or Ora-Blend SF suspending agents. The studied samples were compounded into 100-mg/mL suspensions and stored in 60-mL amber glass bottles at room (22°C to 25°C) or refrigerated (4°C to 8°C) temperature...
March 2017: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28340207/effect-of-the-2014-2015-ebola-outbreak-on-reproductive-health-services-in-a-rural-district-of-guinea-an-ecological-study
#11
Bienvenu S Camara, Alexandre Delamou, Ermias Diro, Abdoul H Béavogui, Alison M El Ayadi, Sidikiba Sidibé, Fassou M Grovogui, Kudakwashe C Takarinda, Patrice Bouedouno, Sah D Sandouno, Junko Okumura, Mamadou D Baldé, Johan Van Griensven, Rony Zachariah
Background: The 2014/2015 Ebola outbreak was the most sustained in history. In Guinea, we compared trends in family planning, antenatal care, and institutional deliveries over the period before, during and after the outbreak. Methods: We carried out an ecological study involving all the health facilities during pre-Ebola (1 March 2013 to 28 February 2014), intra-Ebola (1 March 2014 to 28 February 2015) and post-Ebola (1 March to 31 July 2016) periods in Macenta district...
March 18, 2017: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28328705/novel-approach-to-treating-androgenetic-alopecia-in-females-with-photobiomodulation-low-level-laser-therapy
#12
Shelly Friedman, Patricia Schnoor
BACKGROUND: Photobiomodulation, also referred to as low-level laser therapy (LLLT), has been studied and used for (among other diseases) the promotion of hair regrowth. OBJECTIVE/MATERIALS AND METHODS/RESULTS: A clinical study was developed to define the physiologic effects that occur when the human hair follicle and surrounding tissue structures are exposed to laser light using a novel device that is fitted with an array of laser diode sources operating at 650 nm and placed inside a sports cap to promote discretion while in use...
March 21, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28323050/antiplasmodial-activity-of-mezoneuron-benthamianum-leaves-and-identification-of-its-active-constituents
#13
Olivia Jansen, Alembert T Tchinda, Jean Loua, Virginie Esters, Ewa Cieckiewicz, Allison Ledoux, Paul D Toukam, Luc Angenot, Monique Tits, Aliou M Balde, Michel Frédérich
ETHNOPHARMACOLOGICAL RELEVANCE: Decoctions of the leaves of M. benthamianum Baill. are used by traditional healers in Guinea to treat malaria and this use was validated by a preliminary clinical assay. AIM OF THE STUDY: To evaluate the in vitro antiplasmodial activity and to identify active compounds from extracts of M. benthamianum leaves. MATERIAL AND METHODS: Antiplasmodial activity of extracts, fractions and pure compounds was evaluated in vitro against a chloroquine-sensitive strain of Plasmodium falciparum (3D7) using the measurement of the plasmodial lactate dehydrogenase activity...
May 5, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28316922/miracle-cells-for-natural-dentistry-a-review
#14
REVIEW
Rani Somani, Shipra Jaidka, Neeti Bajaj, Sameksha Arora
Stem cells are undifferentiated cells that can differentiate into specialized cells. Recently, enormous growth has been seen in the recognition of stem cell-based therapies, which have the potential to ameliorate the life of patients with conditions that span from Parkinson's disease to cardiac ischemia to bone or tooth loss. This research has produced new but unexplored possibilities in the regeneration of different organs and tissues. Presently, research is focused on the proficiency of stem cells and their utilization in dentistry, which is gaining interest...
January 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28274230/appraisal-of-phytochemical-and-in-vitro-biological-attributes-of-an-unexplored-folklore-rhus-punjabensis-stewart
#15
Saira Tabassum, Madiha Ahmed, Bushra Mirza, Muhammad Naeem, Muhammad Zia, Zabta Khan Shanwari, Gul Majid Khan
BACKGROUND: The role of plants for discovery of therapeutic potential accentuates the need to know their biological attributes. The present study aims to comprehend the biological attributes of Rhus punjabensis, an unexplored traditional medicinal plant. METHODS: Leaf and stem extracts of R. punjabensis prepared in 11 different organic solvents are evaluated for multimode antioxidant potential, total phenolic and flavonoid contents were determined through colorimetric assays, HPLC-DAD analysis was carried out for quantification of various polyphenols in extracts...
March 9, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28272467/meta-analysis-identifies-novel-risk-loci-and-yields-systematic-insights-into-the-biology-of-male-pattern-baldness
#16
Stefanie Heilmann-Heimbach, Christine Herold, Lara M Hochfeld, Axel M Hillmer, Dale R Nyholt, Julian Hecker, Asif Javed, Elaine G Y Chew, Sonali Pechlivanis, Dmitriy Drichel, Xiu Ting Heng, Ricardo C-H Del Rosario, Heide L Fier, Ralf Paus, Rico Rueedi, Tessel E Galesloot, Susanne Moebus, Thomas Anhalt, Shyam Prabhakar, Rui Li, Stavroula Kanoni, George Papanikolaou, Zoltán Kutalik, Panos Deloukas, Michael P Philpott, Gérard Waeber, Tim D Spector, Peter Vollenweider, Lambertus A L M Kiemeney, George Dedoussis, J Brent Richards, Michael Nothnagel, Nicholas G Martin, Tim Becker, David A Hinds, Markus M Nöthen
Male-pattern baldness (MPB) is a common and highly heritable trait characterized by androgen-dependent, progressive hair loss from the scalp. Here, we carry out the largest GWAS meta-analysis of MPB to date, comprising 10,846 early-onset cases and 11,672 controls from eight independent cohorts. We identify 63 MPB-associated loci (P<5 × 10(-8), METAL) of which 23 have not been reported previously. The 63 loci explain ∼39% of the phenotypic variance in MPB and highlight several plausible candidate genes (FGF5, IRF4, DKK2) and pathways (melatonin signalling, adipogenesis) that are likely to be implicated in the key-pathophysiological features of MPB and may represent promising targets for the development of novel therapeutic options...
March 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/28270628/temperature-induced-remodeling-of-the-photosynthetic-machinery-tunes-photosynthesis-in-a-thermophyllic-alga
#17
Denitsa Nikolova, Dieter Weber, Martin Scholz, Till Bald, Jörn Peter Scharsack, Michael Hippler
The thermophilic alga C. merolae thrives in extreme environments (low pH and temperature between 40 and 56{degree sign}C. In this study we investigated the acclimation process of the alga to a colder temperature (25{degree sign}C). A long-term cell growth experiment revealed an extensive remodeling of the photosynthetic apparatus in the first 250 h of acclimation, which was followed by cell growth to an even higher density than the control (grown at 42{degree sign}C) cell density. Once the cells were shifted to the lower temperature, the proteins of the light-harvesting antenna were greatly down regulated and the phycobilisome (PBS) composition was altered...
March 7, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28270190/social-media-for-arthritis-related-comparative-effectiveness-and-safety-research-and-the-impact-of-direct-to-consumer-advertising
#18
Jeffrey R Curtis, Lang Chen, Phillip Higginbotham, W Benjamin Nowell, Ronit Gal-Levy, James Willig, Monika Safford, Joseph Coe, Kaitlin O'Hara, Roee Sa'adon
BACKGROUND: Social media may complement traditional data sources to answer comparative effectiveness/safety questions after medication licensure. METHODS: The Treato platform was used to analyze all publicly available social media data including Facebook, blogs, and discussion boards for posts mentioning inflammatory arthritis (e.g. rheumatoid, psoriatic). Safety events were self-reported by patients and mapped to medical ontologies, resolving synonyms. Disease and symptom-related treatment indications were manually redacted...
March 7, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28265294/the-bare-head-of-the-northern-bald-ibis-geronticus-eremita-fulfills-a-thermoregulatory-function
#19
REVIEW
Ismael Galván, Daniel Palacios, Juan José Negro
BACKGROUND: Dark pigments provide animals with several adaptive benefits such as protection against ultraviolet (UV) radiation and mechanical abrasion, but may also impose several constraints like a high absorbance of solar radiation. Endotherms, with relatively constant and high body temperatures, may be especially prone to thermoregulatory limitations if dark coloured and inhabiting hot environments. It is therefore expected that adaptations have specifically evolved because of these limitations...
2017: Frontiers in Zoology
https://www.readbyqxmd.com/read/28263792/a-genomic-approach-to-susceptibility-and-pathogenesis-leads-to-identifying-potential-novel-therapeutic-targets-in-androgenetic-alopecia
#20
R Dey-Rao, A A Sinha
We studied genome-wide gene expression from bald and haired scalp of individuals to evaluate pathogenic mechanisms underlying the development and progression of androgenetic alopecia (AGA). Unbiased analyses revealed a "bald pathology" based signature. Ontology enrichment analyses of the differentially expressed genes (DEGs) underscored apoptosis, cell proliferation, perturbed neurological pathways, and WNT signaling as central drivers of the hair loss process. Interactome analysis uncovered several known and novel key transcriptional regulators potentially affecting disease pathogenesis both within and "hidden" from the dataset...
March 2, 2017: Genomics
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