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https://www.readbyqxmd.com/read/27898091/restoring-ureagenesis-in-hepatocytes-by-crispr-cas9-mediated-genomic-addition-to-arginase-deficient-induced-pluripotent-stem-cells
#1
Patrick C Lee, Brian Truong, Agustin Vega-Crespo, W Blake Gilmore, Kip Hermann, Stephanie Ak Angarita, Jonathan K Tang, Katherine M Chang, Austin E Wininger, Alex K Lam, Benjamen E Schoenberg, Stephen D Cederbaum, April D Pyle, James A Byrne, Gerald S Lipshutz
Urea cycle disorders are incurable enzymopathies that affect nitrogen metabolism and typically lead to hyperammonemia. Arginase deficiency results from a mutation in Arg1, the enzyme regulating the final step of ureagenesis and typically results in developmental disabilities, seizures, spastic diplegia, and sometimes death. Current medical treatments for urea cycle disorders are only marginally effective, and for proximal disorders, liver transplantation is effective but limited by graft availability. Advances in human induced pluripotent stem cell research has allowed for the genetic modification of stem cells for potential cellular replacement therapies...
November 29, 2016: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/27895634/cytosolic-proteome-profiling-of-aminoglycosides-resistant-mycobacterium-tuberculosis-clinical-isolates-using-maldi-tof-ms
#2
Divakar Sharma, Manju Lata, Rananjay Singh, Nirmala Deo, Krishnamurthy Venkatesan, Deepa Bisht
Emergence of extensively drug resistant tuberculosis (XDR-TB) is the consequence of the failure of second line TB treatment. Aminoglycosides are the important second line anti-TB drugs used to treat the multi drug resistant tuberculosis (MDR-TB). Main known mechanism of action of aminoglycosides is to inhibit the protein synthesis by inhibiting the normal functioning of ribosome. Primary target of aminoglycosides are the ribosomal RNA and its associated proteins. Various mechanisms have been proposed for aminoglycosides resistance but still some are unsolved...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27894246/therapy-related-changes-in-serum-proteome-patterns-of-early-stage-breast-cancer-patients-with-different-outcome
#3
Anna Walaszczyk, Monika Pietrowska, Anna Wojakowska, Agata Abramowicz, Aleksandra Chmura, Barbara Masłyk, Paweł Rodziewicz, Joanna Polańska, Katarzyna Behrendt, Elżbieta Nowicka, Rafał Tarnawski, Piotr Widłak
Adjuvant chemo- and/or radiotherapy is applied in majority of patients treated because of early stage breast cancer even though only a small fraction of them is at high risk of metastasis or recurrence. Hence, knowledge of biomarkers associated with risk of disease progression might help planning of an optimal therapy, and to protect large group of patients from toxicity of unnecessary treatment. Here we aimed to characterize serum proteome of patients diagnosed with early stage breast cancer who either showed no evidence of disease five years after the end of therapy or suffered from metastasis, relapse or second cancer during corresponding follow-up...
November 28, 2016: Protein and Peptide Letters
https://www.readbyqxmd.com/read/27889922/haloperidol-for-long-term-aggression-in-psychosis
#4
REVIEW
Abha Khushu, Melanie J Powney
BACKGROUND: Psychotic disorders can lead some people to become agitated. Characterised by restlessness, excitability and irritability, this can result in verbal and physically aggressive behaviour - and both can be prolonged. Aggression within the psychiatric setting imposes a significant challenge to clinicians and risk to service users; it is a frequent cause for admission to inpatient facilities. If people continue to be aggressive it can lengthen hospitalisation. Haloperidol is used to treat people with long-term aggression...
November 27, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27879948/efficacy-and-local-tolerability-of-different-spray-products-in-the-treatment-of-mild-to-moderate-acne-of-the-back-and-chest-a-controlled-3-arm-assessor-blinded-prospective-trial
#5
Ada Lo Schiavo, Rosa V Puca, Francesca Romano, Massimo Milani
BACKGROUND: A spray formulation containing 2 vitamin-A derivatives (hydroxypinacolone retinoate and retinol) carried in glycospheres (RetinSphere®) combined with an antimicrobial peptide (BIOPEP-15), salicylic acid and vitamin E (BR) has been recently developed for the treatment of truncal acne. We evaluated clinical efficacy of BR in comparison with two commonly used sprays, containing triethylcitrate and ethylinoleate (AK) and containing betaine, glycine and salicylic acid 2% (SP)...
November 23, 2016: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/27874294/dacryoadenitis-and-extraocular-muscle-inflammation-associated-with-contact-lens-related-acanthamoeba-keratitis-a-case-report-and-review-of-the-literature
#6
Tomris Sengor, Erdal Yuzbasioglu, Sevda Aydın Kurna, Murat Irkec, Ahmet Altun, Kubra Kökcen, Nazli Gul Yalcin
The present report discusses a new case of dacryoadenitis with extraocular muscle inflammation associated with Acanthamoeba keratitis (AK) in a contact lens wearer. A 41-year-old male, who has worn silicone hydrogel contact lenses on an extended basis for about 10 years, attended with the complaints of vision disturbance, hyperemia, and pain in his right eye. His history revealed that 1.5 month ago, he had been diagnosed with allergic conjunctivitis and had used steroid eye drops. Biomicroscopic examination revealed eyelid edema, chemosis, and ring infiltration, radial keratoneuritis and an epithelial defect in the cornea...
November 22, 2016: Orbit
https://www.readbyqxmd.com/read/27859890/phosphorylation-of-serine-148-in-giardia-lamblia-end-binding-1-protein-is-important-for-cell-division
#7
Juri Kim, Hye Yeon Lee, Kyu-Ho Lee, Soon-Jung Park
Giardia lamblia is a unicellular organism, showing a polarity with two nuclei and cytoskeletal structures. Accurate positioning of these organelles is essential for division of G. lamblia, which is poorly understood. G. lamblia end-binding 1 (GlEB1) protein and G. lamblia aurora kinase (GlAK) have been shown to modulate microtubule (MT) distribution during cytokinesis. A direct association between GlEB1 and GlAK was demonstrated. Like GlEB1, GlAK was also found at nuclear envelopes and median bodies of G. lamblia...
November 16, 2016: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/27853385/efficacy-of-ingenol-mebutate-gel-for-actinic-keratosis-in-patients-treated-by-thiazide-diuretics
#8
Elena Campione, Monia Di Prete, Laura Diluvio, Luca Bianchi, Augusto Orlandi
Actinic keratosis (AK) is considered as superficial squamous cell carcinoma. Chronic sun exposure plays a central role in its pathogenesis. In particular, ultraviolet B radiation causes direct damage to the DNA, producing pyrimidine dimers that suppress the protective role of p53. Other risk factors include advanced age, male sex, and fair skin type. Even some drugs used for treating blood hypertension, such as thiazide diuretics, can increase the risk of developing AK. Their photosensitizing action seems to be connected with reactive oxygen species production...
2016: Clinical, Cosmetic and Investigational Dermatology
https://www.readbyqxmd.com/read/27843579/a-prospective-clinical-trial-to-assess-lapatinib-effects-on-cutaneous-squamous-cell-carcinoma-and-actinic-keratosis
#9
D Jenni, M B Karpova, B Mühleisen, J Mangana, J Dreier, J Hafner, R Dummer
BACKGROUND: Antiepidermal growth factor receptor (EGFR)-targeted therapy is widely used in many epithelial cancer types. We investigated lapatinib effects on cutaneous squamous cell carcinoma (cSCC) scheduled for resection and in coexisting precursor lesions (actinic keratosis (AK) and Bowen's disease (BD)) in a phase 2 mode of action clinical trial including a histological workup of the cSCC. PATIENTS AND METHODS: We initiated a prospective single-centre, open-label, non-controlled clinical study with translational intentions to investigate changes in size and histopathological features in cSCC after a 14-day period of neoadjuvant lapatinib therapy at a dose of 1500 mg/day prior to surgery, to quantify the impact on AK and BD in the same patient after 56 days and to evaluate the tolerability in patients with cSCC and precursor lesions...
2016: ESMO Open
https://www.readbyqxmd.com/read/27836717/therapeutic-agents-and-biocides-for-ocular-infections-by-free-living-amoebae-of-acanthamoeba-genus
#10
REVIEW
Linda Christian Carrijo-Carvalho, Viviane Peracini Sant'ana, Annette Silva Foronda, Denise de Freitas, Fabio Ramos de Souza Carvalho
Acanthamoeba keratitis (AK) is a sight-threatening infectious disease. Resistance of the cystic form of the protozoan to biocides and the potential toxicity of chemical compounds to corneal cells are the main concerns related to long-term treatment with the clinically available ophthalmic drugs. Currently, a limited number of recognized antimicrobial agents are available to treat ocular amoebic infections. Topical application of biguanide and diamidine antiseptic solutions is the first-line therapy. We consider the current challenges when treating AK and review the chemical properties, toxicities, and mechanisms of action of the available biocides...
November 8, 2016: Survey of Ophthalmology
https://www.readbyqxmd.com/read/27826172/personalized-medicine-in-rheumatology
#11
REVIEW
Anna Kłak, Agnieszka Paradowska-Gorycka, Brygida Kwiatkowska, Filip Raciborski
In the era of the 21(st) century, rheumatoid arthritis (RA) is still poorly characterized. Rheumatoid arthritis is a common but heterogeneous disease, not only in the course and clinical symptoms, but also in the clinical response to treatment. Now it is known that early, correct diagnosis and starting treatment with disease-modifying drugs (DMARDs), of which methotrexate (MTX) remains the gold standard in the treatment of RA, is crucial in order to prevent joint destruction, functional disability and an unfavourable disease outcome...
2016: Reumatologia
https://www.readbyqxmd.com/read/27815965/ionizing-radiation-affects-profile-of-serum-metabolites-increased-level-of-3-hydroxybutyric-acid-in-serum-of-cancer-patients-treated-with-radiotherapy
#12
Małgorzata Roś-Mazurczyk, Anna Wojakowska, Łukasz Marczak, Krzysztof Polański, Monika Pietrowska, Karol Jelonek, Iwona Domińczyk, Agata Hajduk, Tomasz Rutkowski, Krzysztof Składowski, Piotr Widłak
Radiotherapy causes molecular changes observed at the level of body fluids, which are potential biomarker candidates for assessment of radiation exposure. Here we analyzed radiotherapy-induced changes in a profile of small metabolites detected in sera of head and neck cancer patients using the gas chromatography coupled with mass spectrometry approach. There were about 20 compounds, including carboxylic acids, sugars, amines and amino acids, whose levels significantly differed between pre-treatment and post-treatment samples...
November 4, 2016: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/27796187/real-world-approach-to-actinic-keratosis-management-practical-treatment-algorithm-for-office-based-dermatology
#13
Thomas Dirschka, Girish Gupta, Giuseppe Micali, Eggert Stockfleth, Nicole Basset-Séguin, Véronique Del Marmol, Reinhard Dummer, Gregor B E Jemec, Josep Malvehy, Ketty Peris, Susana Puig, Alexander J Stratigos, Iris Zalaudek, Giovanni Pellacani
Actinic keratosis (AK) is a chronic skin disease in which multiple clinical and subclinical lesions co-exist across large areas of sun-exposed skin, resulting in field cancerisation. Lesions require treatment because of their potential to transform into invasive squamous cell carcinoma. This article aims to provide office-based dermatologists and general practitioners with simple guidance on AK treatment in daily clinical practice to supplement existing evidence-based guidelines. Novel aspects of the proposed treatment algorithm include differentiating patients according to whether they have isolated scattered lesions, lesions clustered in small areas or large affected fields without reference to specific absolute numbers of lesions...
October 31, 2016: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/27784514/survey-of-patient-satisfaction-with-ingenol-mebutate-gel-treatment-for-actinic-keratosis-from-a-community-dermatology-practice
#14
Dale Schaefer
Actinic keratosis (AK) is a condition that can present as a discrete lesion or as areas of confluent lesions. It is generally treated either with cryosurgery or, less frequently, with patient-applied topical medications or photodynamic therapy. Topical therapies can offer benefits over cryosurgery, especially in patients with significant actinic damage. The long durations of topical treatment required and the persistence of associated local skin reactions (LSRs) may deter some patients from adhering to topical therapies and thus affect clinical outcomes...
2016: Skinmed
https://www.readbyqxmd.com/read/27782094/photodynamic-therapy-and-non-melanoma-skin-cancer
#15
REVIEW
Liezel L Griffin, John T Lear
Non-melanoma skin cancer (NMSC) is the most common malignancy among the Caucasian population. Photodynamic therapy (PDT) is gaining popularity for the treatment of basal cell carcinoma (BCC), Bowen's disease (BD) and actinic keratosis (AK). A topical or systemic exogenous photosensitiser, results in selective uptake by malignant cells. Protoporphyrin IX (PpIX) is produced then activated by the introduction of a light source. Daylight-mediated MAL (methyl aminolaevulinate) PDT for AKs has the advantage of decreased pain and better patient tolerance...
October 22, 2016: Cancers
https://www.readbyqxmd.com/read/27776849/activation-of-persulfate-by-fe-iii-species-implications-for-4-tert-butylphenol-degradation
#16
Yanlin Wu, Romain Prulho, Marcello Brigante, Wenbo Dong, Khalil Hanna, Gilles Mailhot
In this study, the activation of persulfate induced by Fe(III) species, including 5 kinds of iron oxhydroxides (IOs) and dissolved Fe(3+) under dark condition were investigated. Ferrihydrite (FH) and akaganeite (AK) showed the highest activity in 4-tert-butylphenol (4tBP) removal. The 4tBP degradation rate constant decreased as the solution pH increased from pH 3.2 to 7.8 in FH/S2O8(2-) system. However, the pH value had no significant effect on the 4tBP degradation in AK/S2O8(2-) system. The degradation of 4tBP in Fe(3+)/S2O8(2-) system was also performed to investigate the role of ferric species in persulfate activation...
October 11, 2016: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/27759816/randomized-double-blind-clinical-trial-comparing-two-anesthetic-techniques-for-ultrasound-guided-transvaginal-follicular-puncture
#17
Gilvandro Lins de Oliveira, Fernando Cesar Serralheiro, Fernando Luiz Affonso Fonseca, Onésimo Duarte Ribeiro, Fernando Adami, Denise Maria Christofolini, Bianca Bianco, Caio Parente Barbosa
Objective: To compare the anesthetic techniques using propofol and fentanyl versus midazolam and remifentanil associated with a paracervical block with lidocaine in performing ultrasound-guided transvaginal oocyte aspiration. Methods: A randomized double-blind clinical trial (#RBR-8kqqxh) performed in 61 women submitted to assisted reproductive treatment. The patients were divided into two groups: anesthetic induction with 1mcg/kg of fentanyl associated with 1.5mg/kg of propofol (FP Group, n=32), in comparison with anesthetic induction using 0...
July 2016: Einstein
https://www.readbyqxmd.com/read/27741339/efficacy-safety-and-tolerability-of-4-5-fluorouracil-cream-in-a-novel-patented-aqueous-cream-containing-peanut-oil-once-daily-compared-with-5-5-fluorouracil-cream-twice-daily-meeting-the-challenge-in-the-treatment-of-actinic-keratosis
#18
Magdalene A Dohil
BACKGROUND: Actinic keratosis (AK) is a neoplastic keratosis and a precursor of squamous cell carcinoma (SCC). OBJECTIVE: We are presenting data on a novel formulation of 4% 5-Fluorouracil (5-FU) in an aqueous vehicle cream containing peanut oil (Tolak) with once daily application versus treatment with 5% 5-FU twice daily for 4 weeks. METHODS: 1) A dose ranging study of 4% 5-FU cream once or twice daily for 2 or 4 weeks and its vehicle, compared to 5% 5-FU cream twice daily for 4 weeks in 121 subjects...
October 1, 2016: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/27741334/biological-effects-of-ingenol-mebutate-gel-in-moderate-to-severe-actinic-fields-assessed-by-reflectance-confocal-microscopy-a-phase-i-study
#19
Martina Ulrich, Susanne Lange-Asschenfeldt, Kresten Skak, Torsten Skov, Marie Louise Østerdal, Hans-Joachim Röwert-Huber, John Robert Zibert, Eggert Stockfleth
Ingenol mebutate represents a topical treatment for fields with actinic keratosis (AK). The biological effects of ingenol mebutate in AK, subclinical (SC)-AK, and reference-skin were assessed and graded by in vivo reflectance confocal microscopy (RCM) and histology. Patients with AK and SC-AK lesions in one 25 cm2 field on hands or forearms, and with an area of reference skin on the inner upper arm, were included. The two fields were each treated with ingenol mebutate 0.05% gel (n=16), or vehicle (n=8), on 2 consecutive days; clinical and RCM assessments were performed on days 1, 2, 3, 8, and 57, and biopsies on day 3...
October 1, 2016: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/27741114/mycosis-fungoides-patient-accompanied-actinic-keratosis-actinic-keratosis-with-squamous-cell-carcinoma-transformation-and-porokeratosis-after-nbuvb-therapy-1st-case-report-and-review-of-the-literature
#20
Meng-Jie Zhao, Bilal Abdul-Fattah, Xiao-Ying Qu, Cui-Yan Wang, Xia Wang, Yi Ran, Ting Lai, Si-Yuan Chen, Chang-Zheng Huang
INTRODUCTION: Mycosis fungoides (MF) is the most common form of primary cutaneous T cell lymphoma. Narrowband ultraviolet B light (NBUVB) is used increasingly in treating MF because of its good toleration and well-established management. CONCERNS: To discuss the risk factors and underlying pathogenic factors in the patients with secondary skin diseases after NBUVB therapy. METHODS: We report in details the first case of a patient with MF accompanied with actinic keratosis (AK), AK with squamous cell carcinoma (SCC) transformation and porokeratosis after NBUVB therapy...
October 2016: Medicine (Baltimore)
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