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https://www.readbyqxmd.com/read/29344305/a-tumor-activatable-theranostic-nanomedicine-platform-for-nir-fluorescence-guided-surgery-and-combinatorial-phototherapy
#1
Xiaoning Li, Canan Schumann, Hassan A Albarqi, Christopher J Lee, Adam W G Alani, Shay Bracha, Milan Milovancev, Olena Taratula, Oleh Taratula
Fluorescence image-guided surgery combined with intraoperative therapeutic modalities has great potential for intraoperative detection of oncologic targets and eradication of unresectable cancer residues. Therefore, we have developed an activatable theranostic nanoplatform that can be used concurrently for two purposes: (1) tumor delineation with real-time near infrared (NIR) fluorescence signal during surgery, and (2) intraoperative targeted treatment to further eliminate unresected disease sites by non-toxic phototherapy...
2018: Theranostics
https://www.readbyqxmd.com/read/29330859/differential-effects-of-phototherapy-adalimumab-and-betamethasone-calcipotriol-on-effector-and-regulatory-t-cells-in-psoriasis
#2
I S Kotb, B J Lewis, R N Barker, A D Ormerod
BACKGROUND: Psoriasis is a chronic T cell-mediated skin disease with marked social and economic burdens. Current treatments are unsatisfactory, with unpredictable remission times and incompletely understood modes of action. Recent advances in our understanding of the pathogenesis of psoriasis identify the imbalance between CD4+ T effector cells, particularly the T helper (Th) 17 subset, and regulatory T cells (Treg) as key to the development of psoriatic lesions, and therefore a novel therapeutic target...
January 12, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29325773/how-safe-is-metformin-when-initiated-in-early-pregnancy-a-retrospective-5-year-study-of-pregnant-women-with-gestational-diabetes-mellitus-from-india
#3
Vanlalhruaii, Riddhi Dasgupta, Roshna Ramachandran, Jiji E Mathews, Annie Regi, Niranjan Thomas, Vijay Gupta, P Visalakshi, H S Asha, Thomas Paul, Nihal Thomas
BACKGROUND: The initiation of metformin in early pregnancy in Gestational Diabetes mellitus(GDM) remains controversial. The aim of our study was to assess the influence of Metformin on maternal and fetal outcomes when initiated within the first trimester of pregnancy in GDM. METHODS AND MATERIALS: A retrospective analysis of 540 women with diabetes complicating pregnancy (IADPSG criteria) over five years(January 2011 to May 2016)was done. The study population comprised of patients initiated on a)metformin within the first trimester (Group A:n=186),b) metformin after the first trimester(Group B:n=203) and c)insulin at any time during their pregnancy(Group C:n=151)...
January 8, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29320614/deep-tumor-penetrating-bioparticulates-inspired-burst-intracelluar-drug-release-for-precision-chemo-phototherapy
#4
Ruoning Wang, Yue Han, Bo Sun, Ziqiang Zhao, Yaw Opoku-Damoah, Hao Cheng, Huaqing Zhang, Jianping Zhou, Yang Ding
The relevance of personalized medicine has inspired research for individually concerted diagnosis and therapy. Numerous efforts are devoted to designing drug particulates with capabilities of tumor penetrating and subcellular trafficking to concurrently discharge theranostics in response to multistimulations. In this study, a bioinspired particulate, formulated with whole components of native high-density lipoproteins (HDLs) and decorated with the tumor-penetrating peptide iRGD, is proposed to promote tumor penetration of HDLs (pHDLs) together with payloads...
January 10, 2018: Small
https://www.readbyqxmd.com/read/29318693/4-6-4-trimethylangelicin-shows-high-anti-proliferative-activity-on-du145-cells-under-both-uva-and-blue-light
#5
G Miolo, G Sturaro, G Cigolini, L Menilli, A Tasso, I Zago, M T Conconi
OBJECTIVES: Furocoumarins (psoralens and angelicins) have been already used under ultraviolet A light (UVA) for the treatment of skin diseases and cutaneous T-cell lymphoma. Besides their high anti-proliferative activity, some severe long-term side effects have been observed, for example genotoxicity and mutagenicity, likely strictly related to the formation of crosslinks. It has been demonstrated that blue light (BL) activation of 8-methoxypsoralen, an FDA-approved drug, leads to less mutagenic monoadducts in the DNA...
January 10, 2018: Cell Proliferation
https://www.readbyqxmd.com/read/29318598/efficacy-and-safety-of-noncultured-melanocyte-keratinocyte-transplant-procedure-for-vitiligo-and-other-leukodermas-a-critical-analysis-of-the-evidence
#6
REVIEW
Paras P Vakharia, Dylan E Lee, Amor Khachemoune
Vitiligo is an acquired pigmentary skin of depigmentation occurring secondary to melanocyte destruction. Vitiligo and other leukodermas have a profound impact on quality of life. Current therapies include medical options, such as phototherapy, topical and systemic corticosteroids, topical calcineurin inhibitors, immunomodulators, and antioxidiants, and surgical options. Surgical options provide melanocytic cells to previously depigmented areas and use either tissue grafting or cellular grafting methods. Topical treatments are often insufficient, and many of the current surgical procedures have shown variable response rates...
January 10, 2018: International Journal of Dermatology
https://www.readbyqxmd.com/read/29315771/pityriasis-lichenoides-long-term-follow-up-study
#7
Julie B Zang, Sarah J Coates, Jing Huang, Eric C Vonderheid, Bernard A Cohen
BACKGROUND/OBJECTIVES: Pityriasis lichenoides is an uncommon papulosquamous disorder of unknown etiology. The objective of this study was to review the clinical features and treatment responses of individuals with pityriasis lichenoides seen at a tertiary referral center. METHODS: Seventy-five patients diagnosed with pityriasis lichenoides between 1997 and 2013 were reviewed, and 46 had long-term follow-up via telephone interviews. RESULTS: Fifty (67%) patients were diagnosed with pityriasis lichenoides chronica, 22 (29%) with pityriasis lichenoides et varioliformis acuta, and 3 (4%) with mixed pityriasis lichenoides chronica and pityriasis lichenoides et varioliformis acuta features...
January 9, 2018: Pediatric Dermatology
https://www.readbyqxmd.com/read/29308494/vibrating-droplet-generation-to-assemble-zwitterion-coated-gold-graphene-oxide-stealth-nanovesicles-for-effective-pancreatic-cancer-chemo-phototherapy
#8
Raj Kumar Thapa, Sae Kwang Ku, Han-Gon Choi, Chul Soon Yong, Jeong Hoon Byeon, Jong Oh Kim
A vibrating nozzle approach was used to produce uniform (∼2 μm) hybrid droplets containing gold-graphene oxide (Au-GO), doxorubicin (DOX), and zwitterionic chitosan (ZC) for assembly of Au-GO@ZC-DOX stealth nanovesicles (NVs) via a single-pass diffusion drying process without any hydrothermal reactions, separations, or purifications. NVs were prepared with a lateral dimension of ∼53.0 nm, a pH-triggered high DOX release profile, and strong photothermal effects. Macrophage opsonization was prevented, resulting in anti-cancer and anti-migration effects, with high intracellular uptake in PANC-1 and MIA PaCa-2 cells...
January 8, 2018: Nanoscale
https://www.readbyqxmd.com/read/29306847/human-nitric-oxide-biomarker-as-potential-no-donor-in-conjunction-with-superparamagnetic-iron-oxide-gold-core-shell-nanoparticles-for-cancer-therapeutics
#9
Nimisha Singh, Khushbu Patel, Suban K Sahoo, Rajender Kumar
Nitric oxide releasing superparamagnetic (Fe3O4-Au@NTHP) nanoparticles were synthesized by conjugation of human biomarker of nitric oxide, N-nitrosothioproline with iron oxide-gold (Fe3O4-Au) core shell nanoparticles. The structure and morphology of the prepared nanoparticles were confirmed by ATR-FTIR, HR-TEM, EDAX, XPS, DLS and VSM measurements. N-nitrosothioproline is a natural molecule and nontoxic to humans. Thus, the core shell nanoparticles prepared were highly biocompatible. The prepared Fe3O4-Au@NTHP nanoparticles also provided an excellent release of nitric oxide in dark and upon light irradiation for cancer treatment...
December 29, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29303196/biodegradable-moox-nanoparticles-with-efficient-near-infrared-photothermal-and-photodynamic-synergetic-cancer-therapy-at-the-second-biological-window
#10
Wenyan Yin, Tao Bao, Xiao Zhang, Qin Gao, Jie Yu, Xinghua Dong, Liang Yan, Zhanjun Gu, Yuliang Zhao
Near-infrared (NIR) laser induced phototherapy has been considered as a noninvasive option for cancer therapy. Herein, we report plasmonic PEGylated molybdenum oxide nanoparticles (PEG-MoOx NPs) that were synthesized by using a facile hydrothermal method. The PEG-MoOx NPs exhibit broad absorption at the NIR biological window and remarkable photothermal conversion ability in the first (808 nm) and the second (1064 nm) windows. Moreover, the biocompatible PEG-MoOx NPs exhibit effective cellular uptake and could be eliminated gradually from the liver and spleen in mice...
January 5, 2018: Nanoscale
https://www.readbyqxmd.com/read/29302043/heme-oxygenase-1-genetic-variants-and-the-conundrum-of-hyperbilirubinemia-in-african-american-newborns
#11
David L Schutzman, Erica Gatien, Samuel Ajayi, Ronald J Wong
BACKGROUND: African-American (AA) infants are known to have, overall, lower bilirubin levels than infants of other ethnicities during their birth hospitalization. However, they are known to have a higher incidence of severe hyperbilirubinemia and are over represented in the US Kernicterus Registry. Heme oxygenase-1 (HO) is the rate limiting enzyme in heme metabolism leading to the equimolar production of bilirubin, carbon monoxide (CO) and free iron (Fe). Short (S) (GT)n repeats (<25) in the promoter region of the gene encoding the inducible HO-1 isozyme augment its expression, while long (L) repeats (>33) lead to an attenuation, modulating the production of bilirubin and CO...
January 4, 2018: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/29299629/-the-308%C3%A2-nm-excimer-laser-for-the-treatment-of-psoriasis-and-inflammatory-skin-diseases
#12
REVIEW
K Fritz, C Salavastru
Overall, the 308 nm Excimer laser enables not only a more effective and safer UVB therapy than classical UV phototherapy, but also targeted irradiation in higher doses with a lower cumulative load, which results in faster healing of mainly circumscribed skin changes. This also applies to therapy-resistant residual lesions which, despite systemic therapy, did not diminish. Combination therapies usually improve the result and enable the dose of UVB and systemic medication to be reduced. Excimer laser therapy can be used for an increasing number of skin diseases, especially those that respond to phototherapy or photochemotherapy...
January 3, 2018: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/29297664/contemporary-management-of-moderate-to-severe-plaque-psoriasis
#13
Jashin J Wu
Psoriasis is a multisystem inflammatory disease that is often underdiagnosed, leaving many patients untreated. Plaque psoriasis, the most common form of the disease, affects approximately 80% to 90% of patients with psoriasis. Formulating a treatment plan can be complicated when various factors are considered. For example, type of therapy is dependent on the severity of the disease. Topical agents are preferred for mild disease, while phototherapy alone or in combination with systemic agents is recommended for the treatment of moderate to severe plaque psoriasis...
December 2017: American Journal of Managed Care
https://www.readbyqxmd.com/read/29295661/neonatal-hyperbilirubinemia-secondary-to-combined-anti-e-and-anti-c-isoimmunisation-a-literature-review
#14
Deepak Sharma, Nazanin Farahbakhsh
A term male infant was admitted at 48 hours of postnatal life to the neonatal unit for jaundice. The investigation showed total serum bilirubin (TSB) of 17.1 mg/dl, haemoglobin of 11 g/dl, reticulocyte count of 9.5% and peripheral smear was suggestive of macrocytic, normochromic red blood cell (RBC) with target cells and multiple spherocytes with occasional nucleated RBC. The infant's blood group was B positive. Direct antiglobulin test was strongly positive by gel method (3+). Mother's blood group was B positive and indirect antiglobulin test was positive when tested postnatally...
January 2, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29284716/burden-of-early-term-birth-on-adverse-infant-outcomes-a-population-based-cohort-study-in-brazil
#15
Maria do Carmo Leal, Ana Paula Esteves-Pereira, Marcos Nakamura-Pereira, Rosa Maria Soares Madeira Domingues, Marcos Augusto Bastos Dias, Maria Elisabeth Moreira, Mariza Theme-Filha, Silvana Granado Nogueira da Gama
OBJECTIVES: To estimate the national rate of early-term live births in Brazil and to evaluate the effect of birth at 37 and 38 weeks' gestation, as compared with 39 and 40 weeks' gestation on infant outcomes according to precursors of birth and the existence of maternal/fetal medical conditions. DESIGN: National perinatal population-based cohort study. SETTING: 266 maternity services located in the five Brazilian macroregions. PARTICIPANTS: 18 652 singleton live newborns from 37 0/7 to 40 6/7 weeks of gestation...
December 27, 2017: BMJ Open
https://www.readbyqxmd.com/read/29282849/laser-assisted-removal-of-all-ceramic-fixed-dental-prostheses-a-comprehensive-review
#16
REVIEW
Sergio Varela Kellesarian, Vanessa Ros Malignaggi, Khaled M Aldosary, Fawad Javed
OBJECTIVE: The aim of this comprehensive review was to assess the effectiveness of erbium lasers in the removal of all ceramic fixed dental prostheses (FDPs). OVERVIEW: Indexed databases were searched without language or time restriction up to and including December 2017 using different combinations of the following keywords: "lasers"; "phototherapy"; "crowns"; "prostheses and implants"; "inlays"; "ceramics"; "dental porcelain"; "zirconium"; "removal"; "debonding"; "fixed dental prostheses"; "veneers"; "laminates"; and "fixed bridge...
December 28, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29282672/successful-treatment-of-refractory-vitiligo-with-a-combination-of-khellin-and-308-nm-excimer-lamp-an-open-label-1-year-prospective-study
#17
Samy Fenniche, Anissa Zaouak, Azima Ben Tanfous, Meriem Jrad, Houda Hammami
INTRODUCTION: Phototherapy is the cornerstone of treatment of vitiligo. The 308-nm excimer lamp (EL) induces T cell apoptosis and the stimulation of melanocyte proliferation. Khellin is a furanochromone with a chemical structure close to psoralens. The objective of the study was to evaluate the safety and efficacy of 1-year treatment of recalcitrant vitiligo with a combination of 308-nm EL and khellin. METHODS: Twenty patients with resistant vitiligo were included...
December 27, 2017: Dermatology and Therapy
https://www.readbyqxmd.com/read/29280140/pkc%C3%AE%C2%B5%C3%A2-promotes-human-th17-differentiation-implications-in-the-pathophysiology-of-psoriasis
#18
Silvia Martini, Giulia Pozzi, Cecilia Carubbi, Elena Masselli, Daniela Galli, Sergio Di Nuzzo, Antonio Banchini, Giuliana Gobbi, Marco Vitale, Prisco Mirandola
PKCε is implicated in T cell activation and proliferation and is overexpressed in CD4+ -T cells from patients with autoimmune Hashimoto's Thyroiditis. Although this might induce the suspicion that PKCε takes part in autoimmunity, its role in the molecular pathophysiology of immune-mediated disorders is still largely unknown. We studied PKCε expression in circulating CD4+ -T cells from patients with Psoriasis, a skin disorder characterized by an increased amount of Th17 cells, a CD4+ subset that is critical in the development of autoimmunity...
December 27, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/29280133/itching-for-answers-prevalence-and-severity-of-pruritus-in-psoriasis
#19
Philippa Dickison, Grace Swain, Jonathan J Peek, Saxon D Smith
BACKGROUND/OBJECTIVES: Pruritus is the most frequently reported complaint or symptom for psoriasis patients. Despite the morbidity associated with pruritus in psoriasis few studies have evaluated the prevalence of itch in psoriasis with the current use of biological agents. METHOD: This was a multi-site cross-sectional observational study conducted in New South Wales, Australia. Psoriasis patients were approached during their outpatient clinic, phototherapy or private consultations...
December 26, 2017: Australasian Journal of Dermatology
https://www.readbyqxmd.com/read/29277585/a-comparison-of-time-taken-to-return-to-baseline-erectile-function-following-focal-and-whole-gland-ablative-therapies-for-localized-prostate-cancer-a-systematic-review
#20
REVIEW
Nicholas A Faure Walker, Joseph M Norris, Taimur T Shah, Tet Yap, Paul Cathcart, Caroline M Moore, Hashim U Ahmed, Mark Emberton, Suks Minhas
OBJECTIVES: To systematically review erectile function (EF) outcomes following primary whole gland (WG) and focal ablative therapies for localized prostate cancer to ascertain whether the treatment modality or intended treatment volume affects the time taken to recover baseline EF. METHOD AND MATERIALS: A systematic review was performed according to the preferred reporting items for systematic review and meta-analysis statement. Inclusion criteria were men with localized prostate cancer treated with primary, ablative therapy...
December 22, 2017: Urologic Oncology
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