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https://www.readbyqxmd.com/read/28231604/variations-in-body-morphology-explain-gender-differences-in-thermoeffector-function-during-compensable-heat-stress
#1
Sean R Notley, Joonhee Park, Kyoko Tagami, Norikazu Ohnishi, Nigel A S Taylor
Gender is sometimes thought to independently modulate cutaneous vasomotor and sudomotor function during heat exposure. Nevertheless, it was hypothesised that, when assessed during compensable exercise that evoked equal heat-loss requirements across participants, gender differences in those thermoeffectors would be explained by variations in the ratio between body surface area and mass (specific surface area). To evaluate that possibility, vasomotor and sudomotor functions were assessed in sixty individuals (36 males, 24 females) with widely varying (overlapping) specific surface areas (range: 232...
February 23, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28230777/cryptomphalus-aspersa-mollusc-egg-extract-promotes-regenerative-effects-in-human-dermal-papilla-stem-cells
#2
María Teresa Alameda, Esther Morel, Concepción Parrado, Salvador González, Ángeles Juarranz
The aim of this study was to test, by an in vitro approach, whether a natural extract derived from eggs of the mollusc Cryptomphalus aspersa (e-CAF) that seems to present regenerative properties, can enhance the mobilization of human hair dermal papilla cells (HHDPCs) and play a role on tissue repair and regeneration. We have tested HHDPCs proliferation by the 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium-bromide (MTT) assay; cell migration by using a wound healing assay, as well as the modulation of the expression of cytoskeletal (F-actin and vimentin) and cell adhesion to the extracellular matrix (ECM) (vinculin and P-FAK) proteins...
February 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28230162/n-acetylated-proline-glycine-proline-accelerates-cutaneous-wound-healing-and-neovascularization-by-human-endothelial-progenitor-cells
#3
Yang Woo Kwon, Soon Chul Heo, Tae Wook Lee, Gyu Tae Park, Jung Won Yoon, Il Ho Jang, Seung-Chul Kim, Hyun-Chang Ko, Youngjae Ryu, Hyeona Kang, Chang Man Ha, Sang Chul Lee, Jae Ho Kim
Human endothelial progenitor cells (hEPCs) are promising therapeutic resources for wound repair through stimulating neovascularization. However, the hEPCs-based cell therapy has been hampered by poor engraftment of transplanted cells. In this study, we explored the effects of N-acetylated Proline-Glycine-Proline (Ac-PGP), a degradation product of collagen, on hEPC-mediated cutaneous wound healing and neovascularization. Treatment of hEPCs with Ac-PGP increased migration, proliferation, and tube-forming activity of hEPCs in vitro...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28229829/six-minute-walk-test-in-or-out-in-evaluation-of-systemic-sclerosis-patients
#4
Els Vandecasteele, Kristof Thevissen, Karin Melsens, Filip De Keyser, Michel De Pauw, Ellen Deschepper, Saskia Decuman, Yves Piette, Guy Brusselle, Vanessa Smith
OBJECTIVES: Interstitial lung disease (ILD) and pulmonary arterial hypertension (PAH) are the leading causes of death in systemic sclerosis (SSc) patients. Although the six-minute walk test (6MWT) is used for evaluating ILD and PAH in clinical practice, no data are available on six-minute walk distance (6MWD) and oxygen desaturation in SSc patients without ILD and PAH. METHODS: Prospectively collected data of the 6MWTs at baseline and 6-month follow-up of 300 consecutive SSc patients, included in the Ghent University Hospital Systemic Sclerosis Unit between May 2006 and April 2015 were analysed...
February 15, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28229265/low-vitamin-d-status-and-obesity-role-of-nutritionist
#5
REVIEW
Silvia Savastano, Luigi Barrea, Maria Cristina Savanelli, Francesca Nappi, Carolina Di Somma, Francesco Orio, Annamaria Colao
Low vitamin D status and obesity have concomitantly reached epidemic levels worldwide. Up to now the direction of the association between low vitamin D status and obesity, the exact mechanisms responsible for this association and the clinical usefulness to increase vitamin D status for reducing adiposity still warrant further evaluation. The aim of the present review was to examine the current evidence linking low vitamin D status and obesity in relation to the role of the nutritionist. On the one side, considering obesity as a causal factor, low sun exposure in obese individuals due to their sedentary lifestyle and less outdoor activity, vitamin D sequestration in adipose tissue, and volumetric dilution of ingested or cutaneously synthesized vitamin D3 in the large fat mass of obese patients, might represent some of the factors playing a major role in the pathogenesis of the low vitamin D status...
February 23, 2017: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/28229253/the-biology-of-uveal-melanoma
#6
Adriana Amaro, Rosaria Gangemi, Francesca Piaggio, Giovanna Angelini, Gaia Barisione, Silvano Ferrini, Ulrich Pfeffer
Uveal melanoma (UM), a rare cancer of the eye, is distinct from cutaneous melanoma by its etiology, the mutation frequency and profile, and its clinical behavior including resistance to targeted therapy and immune checkpoint blockers. Primary disease is efficiently controlled by surgery or radiation therapy, but about half of UMs develop distant metastasis mostly to the liver. Survival of patients with metastasis is below 1 year and has not improved in decades. Recent years have brought a deep understanding of UM biology characterized by initiating mutations in the G proteins GNAQ and GNA11...
February 22, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28229118/petechial-purpuric-and-ecchymotic-presentation-of-cutaneous-cryptococcus-in-mantle-cell-lymphoma
#7
Christie D Kimball, Allison Cruse, Lauren Craig, Joy King, Stephen Helms, Julie Wyatt, Jeremy Jackson, Robert Brodell
No abstract text is available yet for this article.
January 2017: JAAD Case Reports
https://www.readbyqxmd.com/read/28228711/cutaneous-metastasis-from-breast-tumour-seeding-in-percutaneous-needle-biopsy
#8
Imma Savarese, Federica Scarfì, Alessia Gori, Federica Papi, Antonietta D'Errico, Marta Grazzini, Piero Covarelli, Vincenzo De Giorgi
No abstract text is available yet for this article.
December 2016: Breast Care
https://www.readbyqxmd.com/read/28228431/right-upper-quadrant-abdominal-pain-as-the-initial-presentation-of-polyarteritis-nodosa
#9
Ricardo Gago, Lee Ming Shum, Luis M Vilá
Polyarteritis nodosa (PAN) is a necrotising vasculitis that involves medium and small vessels. PAN generally presents with constitutional, cutaneous, neurological, renal and gastrointestinal manifestations. However, PAN initially involving a single organ/system is uncommon. Here, we present a 42-year-old man who was hospitalised because of severe right upper quadrant abdominal pain that started 2 months before. Physical examination was remarkable for right upper quadrant abdominal tenderness. Abdominopelvic CT showed lymphadenopathy but no hepatic, gallbladder, pancreatic, intestinal or renal abnormalities...
February 22, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28228418/folic-acid-supplementation-increases-cutaneous-vasodilator-sensitivity-to-sympathetic-nerve-activity-in-older-adults
#10
Anna E Stanhewicz, Jody L Greaney, Lacy M Alexander, W Larry Kenney
During heat stress, blunted increases in skin sympathetic nervous system activity (SSNA) and reductions in end-organ vascular responsiveness contribute to the age-related reduction in reflex cutaneous vasodilation. In older adults, folic acid supplementation improves the cutaneous vascular conductance (CVC) response to passive heating; however, the influence of folic acid supplementation on SSNA:CVC transduction is unknown. Fourteen older adults (66±1yrs, 8M/6F) ingested folic acid (5mg·day(-1)) or placebo for 6 weeks in a randomized, double-blind, crossover design...
February 22, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28228154/circulating-species-of-leishmania-at-microclimate-area-of-boulemane-province-morocco-impact-of-environmental-and-human-factors
#11
Asmae Hmamouch, Mahmoud Mohamed El Alem, Maryam Hakkour, Fatima Amarir, Hassan Daghbach, Khalid Habbari, Hajiba Fellah, Khadija Bekhti, Faiza Sebti
BACKGROUND: Cutaneous leishmaniasis (CL) is widely distributed in Morocco where its geographical range and incidence are related to environmental factors. This study aimed to examine the impact of several factors on the distribution of CL in Boulemane Province, which is characterized by several microclimates, and to identify the Leishmania species circulating in these areas. METHODS: Ordinary least squares regression (OLSR) analysis was performed to study the impact of poverty, vulnerability, population density, urbanization and bioclimatic factors on the distribution of CL in this province...
February 22, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28227284/on-the-pleasantness-of-a-haptic-stimulation-how-different-textures-can-be-recognized-through-heart-rate-variability-nonlinear-analysis
#12
Mimma Nardelli, Alberto Greco, Matteo Bianchi, Enzo Pasquale Scilingo, Gaetano Valenza, Mimma Nardelli, Alberto Greco, Matteo Bianchi, Enzo Pasquale Scilingo, Gaetano Valenza, Gaetano Valenza, Mimma Nardelli, Alberto Greco, Matteo Bianchi
The hedonic attributes of cutaneous elicitation play a crucial role in everyday life, influencing our behavior and psychophysical state. However, the correlation between such a hedonic aspect of touch and the Autonomic Nervous System (ANS)-related physiological response, which is intimately connected to emotions, still needs to be deeply investigated. This study reports on caress-like stimuli conveyed to the forearm of 32 healthy subjects through different fabrics actuated by a haptic device, which can control both the strength (i...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227180/electrical-stimulation-of-the-saphenous-nerve-in-anesthetized-rats-a-novel-therapeutic-approach-to-treating-overactive-bladder
#13
Zainab Moazzam, Paul B Yoo, Zainab Moazzam, Paul B Yoo, Paul B Yoo, Zainab Moazzam
Posterior Tibial Nerve Stimulation (PTNS) is a minimally invasive yet effective therapy for treating overactive bladder (OAB) symptoms with electrical stimulations applied at 20 Hz coupled with amplitudes approximating the foot-twitch threshold (T). However, pre-clinical studies indicate that PTNS-evoked bladder reflexes require stimulation amplitudes exceeding 2T. The objective of this work was to evaluate the presence of secondary low-threshold sensory pathways in the hind-limb region that can be a potential target of activation during clinical PTNS set-up...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226857/development-of-a-closed-loop-system-for-tremor-suppression-in-patients-with-parkinson-s-disease
#14
F L Xu, M Z Hao, S Q Xu, Z X Hu, Q Xiao, N Lan, F L Xu, M Z Hao, S Q Xu, Z X Hu, Q Xiao, N Lan, S Q Xu, Z X Hu, Q Xiao, M Z Hao, N Lan, F L Xu
More than 70% of patients suffering Parkinson's disease (PD) exhibit resting tremor in their extremities, hampering their ability to perform daily activities. Based on our earlier studies on corticospinal transmission of tremor signals [10,11], we hypothesize that cutaneous afferents evoked by surface stimulation can produce an inhibitory effect on propriospinal neurons (PN), which in turn will suppress tremor signals passing through the PN. This paper presents the development of a closed-loop system for tremor suppression by transcutaneous electrical nerve stimulation (TENS) of sensory fibers beneath the skin...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226379/cutaneous-lymphadenoma-a-trichoblastoma-with-regressive-inflammatory-changes
#15
Sarah Keesecker, Jad Saab, Cynthia M Magro, Vivek Dokania, Anthony P Sclafani
The authors address the entity of cutaneous lymphadenoma. Although considered benign, cutaneous lymphadenoma can be easily misdiagnosed as basal cell carcinoma because of its close clinical and histological resemblance. This entity is rare and controversial both in terms of its histogenesis and the various diagnostic terms assigned to it throughout the literature. While rare, cutaneous lymphadenoma should be considered in the differential of any facial nodule or papule in addition to the more common basal cell carcinoma, nevi, cysts, and appendiceal tumors...
February 2017: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/28226372/reconstruction-of-the-intranasal-lining
#16
Joseph Zenga, John J Chi
Reconstruction of full-thickness nasal defects has been the subject of surgical inquiry and innovation for over 2,000 years. The replacement of the internal nasal lining is a critical feature of complex nasal reconstruction. Successful reconstruction can prevent cicatricial contraction, external distortion, and internal stenosis. An array of reconstructive possibilities has been described, including cutaneous, mucosal, and fascial options. The challenge to the reconstructive surgeon is to select the repair that maximizes internal stability, while maintaining a patent nasal airway, minimizing morbidity, and meeting patient expectations...
February 2017: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/28226368/local-cutaneous-flaps-in-nasal-reconstruction
#17
Guanning Nina Lu, J David Kriet, Clinton D Humphrey
Facial plastic surgeons use a variety of reconstruction techniques to overcome challenges in restoring the function, structural integrity, and intricate nasal contour in nasal reconstruction. Local cutaneous flaps provide excellent skin texture, thickness, and color match in nasal reconstruction. They offer an excellent cosmetic appearance for small- to medium-sized defects and are preferentially utilized when feasible. This article aims to provide an updated review of local cutaneous flaps for nasal defect repair and describe the major principles related to flap selection...
February 2017: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/28226366/principles-of-nasal-reconstruction
#18
Emily Spataro, Gregory H Branham
The rise in cutaneous malignancies over the past 20 years has led to significant advances in reconstructing the nose from an aesthetic and functional standpoint. The principles of nasal reconstruction center on application of the nasal subunit principle, three-layered reconstruction, nasal skin characteristics, and patient factors. Reconstructive planning starts with proper defect analysis, followed by application of the reconstructive ladder for soft-tissue repair, adequate structural support, and repair of nasal lining deficits...
February 2017: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/28226228/antigen-presenting-cells-in-the-skin
#19
Sakeen W Kashem, Muzlifah Haniffa, Daniel H Kaplan
Professional antigen-presenting cells (APCs) in the skin include dendritic cells, monocytes, and macrophages. They are highly dynamic, with the capacity to enter skin from the peripheral circulation, patrol within tissue, and migrate through lymphatics to draining lymph nodes. Skin APCs are endowed with antigen sensing, processing, and presenting machinery and play key roles in initiating, modulating, and resolving cutaneous inflammation. Skin APCs are a highly heterogeneous population with functionally specialized subsets that are developmentally imprinted and modulated by local tissue microenvironmental and inflammatory cues...
February 6, 2017: Annual Review of Immunology
https://www.readbyqxmd.com/read/28225977/identifying-the-incidence-of-rash-stevens-johnson-syndrome-and-toxic-epidermal-necrolysis-in-patients-taking-lamotrigine-a-systematic-review-of-122-randomized-controlled-trials
#20
Romi Bloom, Kyle T Amber
Lamotrigine is an antiepileptic drug used for the treatment of epilepsy, bipolar disorder and numerous off-label uses. The development of rash significantly affects its use. The most concerning of these adverse reactions is Stevens-Johnson syndrome/toxic epidermal necrolysis. We performed a systematic review of randomized controlled trials using lamotrigine as a monotherapy to quantify the incidence of cutaneous reactions, particularly Stevens-Johnson syndrome/toxic epidermal necrolysis. Of a total of 4,364 papers regarding lamotrigine, 122 studies met our inclusion and exclusion criteria...
January 2017: Anais Brasileiros de Dermatologia
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