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https://www.readbyqxmd.com/read/28447433/serum-vitamin-d-level-is-related-to-disease-severity-in-pediatric-alopecia-areata
#1
Mehmet Unal, Gulsum Gonulalan
BACKGROUND: Alopecia areata (AA) is the most common cause of inflammatory hair loss. AA is considered an autoimmune disease and occurs with various autoimmune disorders. Recent studies have revealed connection between autoimmune diseases and vitamin D deficiency. OBJECTIVES: In this study, we investigated vitamin D status in AA and its relationship with disease severity, number of patches, and disease duration. METHODS: This study included 20 pediatric patients with AA and 34 pediatric healthy controls...
April 26, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28446866/the-contribution-of-immune-infiltrates-to-ototoxicity-and-cochlear-hair-cell-loss
#2
REVIEW
Megan B Wood, Jian Zuo
Cells of the immune system have been shown to infiltrate the cochlea after acoustic trauma or ototoxic drug treatment; however, the contribution of the immune system to hair cell loss in the inner ear is incompletely understood. Most studies have concentrated on the immediate innate response to hair cell damage using CD45 as a broad marker for all immune cells. More recent studies have used RNA sequencing, GeneChip arrays and quantitative PCR to analyze gene expression in the entire cochlea after auditory trauma, leading to a better understanding of the chemokines and cytokines that attract immune cells to the cochlea...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28442873/anagen-effluvium-following-acute-colchicine-poisoning
#3
Andrea Combalia, Carola Baliu-Piqué, Adriana Fortea, Juan Ferrando
We present a case of a 17-year-old girl admitted to the Psychiatric Department recovering from a suicide attempt with colchicine. One week after poisoning, a sudden onset of hair loss was observed. Positive hair pull test and trichoscopy demonstrated the presence of anagen hairs with pigmented long roots covered by the root sheaths. Colchicine poisoning is an uncommon, but potentially life-threatening toxicologic emergency. An overdose of colchicine inhibits cell division, and thus the most affected organs are those which have a high rate of cell turnover...
October 2016: International Journal of Trichology
https://www.readbyqxmd.com/read/28440437/autophagy-related-protein-12-associates-with-anti-apoptotic-b-cell-lymphoma-2-to-promote-apoptosis-in-gentamicin-induced-inner-ear-hair-cell-loss
#4
Xiaofeng Ma, Yongze Liu, Waqas Muhammad, Dingding Liu, Junguo Wang, Han Zhou, Xia Gao, Xiaoyun Qian
The aim of the present study was to investigate the underlying mechanisms of autophagy in a gentamicin (GM)-induced ototoxic model, and to establish whether the blocking of autophagy significantly increases the survival of inner ear hair cells. Cochleae were carefully dissected from four day‑old C57BL/6J mice and randomly divided into three groups prior to explant culture: Control (culture medium), GM‑treated (culture medium + GM) and GM + 3-methyladenine (3-MA; culture medium + GM + 3‑MA). Transmission electron microscopy, immunofluorescence and western blotting were performed to observe the expression of the autophagy protein microtubule‑associated protein 1A/B‑light chain 3 in explant cultures treated with GM and the autophagy inhibitor 3‑MA...
April 11, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28437267/reconstruction-of-pediatric-scalp-avulsion-injuries-after-dog-bites
#5
Zhi Yang Ng, Kyle R Eberlin, Tianyu Lin, Peter T Masiakos, Curtis L Cetrulo
Dog bite injuries are common and the head and neck is most frequently involved in pediatric patients. In severe cases, the combination of crushing, tearing, and puncturing can result in scalp avulsion. Currently, microsurgical replantation of the avulsed scalp remains the gold standard but may not always be possible. The authors present their treatment algorithm with 2 patient examples. In Patient 1, the scalp was deemed unsuitable for replantation due to extensive soft tissue injury; in Patient 2, the scalp was not available on presentation...
April 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28432593/talking-about-breast-cancer-which-symptoms-and-treatment-side-effects-are-important-to-patients-with-advanced-disease
#6
Anna Niklasson, Jean Paty, Anna Rydén
BACKGROUND: Patients' experience of symptoms and associated treatment is an increasingly important consideration in both regulatory and health technology assessments, and can inform treatment decisions. OBJECTIVE: This study aimed to gain insight directly from patients with advanced breast cancer about which symptoms and treatment side effects are important to them. METHODS: Women with locally advanced or metastatic breast cancer were interviewed individually by trained interviewers, using a semi-structured interview guide...
April 21, 2017: Patient
https://www.readbyqxmd.com/read/28429999/beneficial-effects-of-oral-supplementation-with-ovoderm-on-human-skin-physiology-two-pilot-studies
#7
Andrés Aguirre, Erena Gil-Quintana, Marisa Fenaux, Sandra Erdozain, Itziar Sarria
Collagens and hyaluronic acid have long been used in pharmaceuticals and food supplements for the improvement of skin elasticity and hydration. These compounds provide the building blocks of the skin. Ovoderm is an oral supplement obtained from eggshells that contains naturally occurring collagen and glycosaminoglycans, such as hyaluronic acid. We evaluated the efficacy of Ovoderm on skin biophysical parameters related to cutaneous aging such as elasticity, hydration, and pigmentation. Two pilot studies were run to assess the effect of daily oral supplementation with 300 mg Ovoderm on skin parameters...
April 21, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28427959/beneficial-effects-of-heparin-and-l-arginine-on-dermonecrosis-effect-induced-by-vipera-lebetina-venom-involvement-of-no-in-skin-regeneration
#8
Nouara Bennacef-Heffar, Fatima Laraba-Djebari
It is well known that snake venoms such as Viperidae caused severe local effects such as hemorrhage, myonecrosis and dermonecrosis which can lead to permanent tissue loss or the disability. The aim of this study is to evaluate the skin regeneration using heparin and l-arginine as well as the dermonecrotic effects induced by Vipera lebetina venom (VLV). To better understand the toxic effects induced by VLV and to prevent or treat these effects, we evaluate the local effects and the skin regeneration with or without drugs...
April 17, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28424585/efr3a-insufficiency-attenuates-the-degeneration-of-spiral-ganglion-neurons-after-hair-cell-loss
#9
Haixia Hu, Bin Ye, Le Zhang, Quan Wang, Zhiwei Liu, Suying Ji, Qiuju Liu, Jingrong Lv, Yan Ma, Ying Xu, Hao Wu, Fude Huang, Mingliang Xiang
Sensorineural hearing loss (SNHL) is caused by an irreversible impairment of cochlear hair cells and subsequent progressive degeneration of spiral ganglion neurons (SGNs). Eighty-five requiring 3 (Efr3) is a plasma membrane protein conserved from yeast to human, and knockout of Efr3a was reported to facilitate the survival of hippocampal newborn neurons in adult mice. Previously, we found Efr3a expression in the auditory neural pathway is upregulated soon after the destruction of hair cells. Here we conducted a time-course analysis of drug-caused damage to hearing ability, hair cells and SGNs in Efr3a knocking down mice (Efr3a(-/+), Efr3a KD) and their wild type littermates...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28418931/socs3-treatment-prevents-the-development-of-alopecia-areata-by-inhibiting-cd8-t-cell-mediated-autoimmune-destruction
#10
Zhen Gao, Yu-Qing Jin, Wei Wu
Alopecia areata is one of the most common autoimmune diseases resulting from T cell-mediated damage of hair follicles. CD8+ T cells infiltrate hair follicles and are responsible for destruction of hair follicles. However the underlying mechanisms for hair loss remain still obscure. In the present study, we identified that suppressor of cytokine signaling-3 (SOCS3), a classical inhibitor of cytokine signaling, significantly inhibits CD8+T cell maturation, interferon-γ (IFN-γ) production and alopecia areata...
March 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414155/recent-advances-in-cochlear-hair-cell-regeneration-a-promising-opportunity-for-the-treatment-of-age-related-hearing-loss
#11
REVIEW
Miren Revuelta, Francisco Santaolalla, Olatz Arteaga, Antonia Alvarez, Ana Sánchez-Del-Rey, Enrique Hilario
The objective of this paper is to review current information regarding the treatment of age-related hearing loss by using cochlear hair cell regeneration. Recent advances in the regeneration of the inner ear, including the usefulness of stem cells, are also presented. Based on the current literature, cochlear cell regeneration may well be possible in the short term and cochlear gene therapy may also be useful for the treatment of hearing loss associated with ageing. The present review provide further insight into the pathogenesis of Inner Ear senescence and aged-related hearing loss and facilitate the development of therapeutic strategies to repair hair cells damaged by ageing...
April 13, 2017: Ageing Research Reviews
https://www.readbyqxmd.com/read/28405467/anti-apoptotic-effect-of-dexamethasone-in-an-ototoxicity-model
#12
Jin Ho Lee, Se Heang Oh, Tae Ho Kim, Yoon Young Go, Jae-Jun Song
BACKGROUND: Dexamethasone (DEX) is used for the treatment of various inner ear diseases. However, the molecular mechanism of DEX on gentamicin induced hair cell damage is not known. Therefore, this study investigated the protective effect of DEX on gentamicin (GM)-induced ototoxicity and the effect of GM on the expression of apoptosis related genes. METHODS: The protective effects of DEX were measured by phalloidin staining of explant cultures of organ of Corti from postnatal day 2-3 mice with GM-induced hair cell loss...
2017: Biomaterials Research
https://www.readbyqxmd.com/read/28396101/the-effectiveness-of-treatments-for-androgenetic-alopecia-a-systematic-review-and-meta-analysis
#13
REVIEW
Areej Adil, Marshall Godwin
BACKGROUND: Androgenetic alopecia, or male pattern hair loss, is a hair loss disorder mediated by dihydrotestosterone, the potent form of testosterone. Currently, minoxidil and finasteride are Food and Drug Administration (FDA)-approved, and HairMax LaserComb, which is FDA-cleared, are the only treatments recognized by the FDA as treatments of androgenetic alopecia. OBJECTIVE: This systematic review and meta-analysis assesses the efficacy of nonsurgical treatments of androgenetic alopecia in comparison to placebo for improving hair density, thickness, growth (defined by an increased anagen:telogen ratio), or subjective global assessments done by patients and investigators...
April 7, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28390615/protective-effects-of-1-2-3-triazole-derivative-kpr-a020-against-cisplatin-induced-ototoxicity-in-murine-cochlear-cultures
#14
Ye-Ri Kim, Da Jung Jung, Se-Kyung Oh, Taeho Lee, In-Kyu Lee, Kyu-Yup Lee, Un-Kyung Kim
Cisplatin (cis-diaminedichloridoplatinum(II), cis-[PtCl2(NH3)2]) is an effective chemotherapeutic agent in the treatment of several types of malignant solid tumors but its clinical use is associated with ototoxicity. Several studies have investigated the effect of antioxidants on cisplatin-induced ototoxicity in mice. The triazole KPR-A020 has been shown to play a protective role against mitochondrial dysfunction by reducing the production of mitochondrial reactive oxygen species (ROS). The effect of KPR-A020 on cisplatin-induced ototoxicity was examined using cultures of cochlear explants...
May 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28384320/direct-administration-of-2-hydroxypropyl-beta-cyclodextrin-into-guinea-pig-cochleae-effects-on-physiological-and-histological-measurements
#15
J T Lichtenhan, K Hirose, C A Buchman, R K Duncan, A N Salt
2-Hydroxypropyl-Beta-Cyclodextrin (HPβCD) can be used to treat Niemann-Pick type C disease, Alzheimer's disease, and atherosclerosis. But, a consequence is that HPβCD can cause hearing loss. HPβCD was recently found to be toxic to outer hair cells (OHCs) in the organ of Corti. Previous studies on the chronic effects of in vivo HPβCD toxicity did not know the intra-cochlear concentration of HPβCD and attributed variable effects on OHCs to indirect drug delivery to the cochlea. We studied the acute effects of known HPβCD concentrations administered directly into intact guinea pig cochleae...
2017: PloS One
https://www.readbyqxmd.com/read/28383465/emerging-therapies-for-sensorineural-hearing-loss
#16
Matthew Gordon Crowson, Ronna Hertzano, Debara L Tucci
OBJECTIVE: To critically review and evaluate the proposed mechanisms and documented results of the therapeutics currently in active clinical drug trials for the treatment of sensorineural hearing loss. DATA SOURCES: US National Institutes of Health (NIH) Clinical Trials registry, MEDLINE/PubMed. STUDY SELECTION & DATA EXTRACTION: A review of the NIH Clinical Trials registry identified candidate hearing loss therapies, and supporting publications were acquired from MEDLINE/PubMed...
April 5, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28380612/effect-of-rest-stop-duration-during-long-distance-transport-on-welfare-indicators-in-recently-weaned-beef-calves
#17
S Marti, R E Wilde, D Moya, C E M Heuston, F Brown, K S Schwartzkopf-Genswein
Forty newly weaned beef calves (260 ± 32.6 kg) were transported 15 h in a livestock trailer (7.3 by 2.1 m) on 2 separate hauls 1 wk apart (20 calves/haul) to evaluate the effect of rest stop duration on indicators of calf welfare. Immediately following the 15-h journey, 15 calves/haul were randomly unloaded at a feedlot and randomly assigned to 1 of 3 rest stop treatments; calves without resting time (5 calves/haul) remained on the trailer and were used as the control group. Treatments included 0- (Control [CON]), 5- (RS5), 10- (RS10), or 15-h (RS15) rest periods in pens containing ad libitum access to water and long-stem hay...
February 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28378336/review-of-treatment-for-alopecia-totalis-and-alopecia-universalis
#18
REVIEW
Sama Kassira, Dorota Z Korta, Lance W Chapman, Francis Dann
Alopecia areata (AA) is an autoimmune disease directed at the hair follicle. Although usually limited to patchy hair loss over the scalp (focalis), AA can present as total loss of scalp hair (totalis; AT) or as total loss of both scalp and body hair (universalis; AU). Management of AT and AU can be challenging, and although multiple treatment modalities have been explored, no therapy is currently FDA-approved. This review focuses on the evidence for current treatment options for AT and AU. The PubMed database was searched from January 1, 2000, to September 1, 2016, for clinical trials, retrospective studies, and case reports of treatments for AT and AU...
April 5, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28375977/platelet-rich-plasma-for-the-treatment-of-female-pattern-hair-loss-a-patient-survey
#19
Mary E Laird, Kristen I Lo Sicco, Michael L Reed, Nooshin K Brinster
No abstract text is available yet for this article.
April 3, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28373074/netrin-1-mediates-protective-effects-exerted-by-insulin-like-growth-factor-1-on-cochlear-hair-cells
#20
Kohei Yamahara, Takayuki Nakagawa, Juichi Ito, Kazuo Kinoshita, Koichi Omori, Norio Yamamoto
Sensorineural hearing loss (SNHL) is mainly caused by the damage of cochlear hair cells (HCs). As HCs and supporting cells (SCs) do not proliferate in postnatal mammals, the loss of HCs and SCs is irreversible, emphasizing the importance of preserving their numbers to prevent SNHL. It is known that insulin-like growth factor 1 (IGF1) is instrumental in the treatment of SNHL. Our previous study indicates that IGF1 protects HCs against aminoglycoside by activating IGF1 receptor and its two major downstream pathways, PI3K/AKT and MEK/ERK, in SCs, which results in the upregulation of the expression of the Netrin1-encoding gene (Ntn1)...
April 1, 2017: Neuropharmacology
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