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https://www.readbyqxmd.com/read/28922518/accelerated-epithelialization-and-improved-wound-healing-metrics-in-porcine-full-thickness-wounds-transplanted-with-full-thickness-skin-micrografts
#1
Christina L Rettinger, John L Fletcher, Anders H Carlsson, Rodney K Chan
Split-thickness skin grafting (STSG) is the current gold standard for treatment of extensive burn and traumatic skin injuries. However, STSG is limited by donor-site morbidity and availability, and often leads to scarring and wound contracture. Furthermore, these thin grafts lack dermal elements such as nerves and adnexa which are important in recapitulating normal skin function. Methods of fractional skin replacement either as minced STSGs or microscopic skin tissue columns (MSTCs) have been proposed, though these techniques have not been fully-characterized and lack evidence of regenerated adnexal structures...
September 18, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28922112/effects-of-flexible-dry-electrode-design-on-electrodermal-activity-stimulus-response-detection
#2
Peter A Haddad, Amir Servati, Saeid Soltanian, Frank Ko, Peyman Servati
OBJECTIVE: The focus of this research is to evaluate the effects of design parameters including surface area, distance between and geometry of dry flexible electrodes on electrodermal activity (EDA) stimulus response detection. METHODS: EDA is a result of the autonomic nervous system (ANS) being stimulated, which causes sweat and changes the electrical characteristics of the skin. Standard silver/silver chloride (Ag/AgCl) EDA electrodes are rigid and lack conformability in contact with skin...
September 18, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28915945/potentiometric-sensor-for-non-invasive-lactate-determination-in-human-sweat
#3
Massimo Onor, Stefano Gufoni, Tommaso Lomonaco, Silvia Ghimenti, Pietro Salvo, Fiodor Sorrentino, Emilia Bramanti
The present work describes a non invasive lactate sensing in sweat during workout. The sensing system is based on a non-equilibrium potentiometric measure performed using disposable, chemically modified, screen printed carbon electrodes (SPCEs) that can be wetted with sweat during the exercise. The potentiometric signal, which is proportional to lactate concentration in sweat, is produced by a redox reaction activated by UV radiation, as opposed to the enzymatic reaction employed in traditional, blood-based measuring devices...
October 9, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28913302/eccrine-poroma-of-the-postauricular-area
#4
Hyun Rok Lee, Gyu Yong Jung, Hea Kyeong Shin, Dong Lark Lee, Jong Im Lee, Jung Hwan Kim
Eccrine poroma is a common benign cutaneous tumor that originates in an intraepidermal eccrine duct. This tumor exhibits acral distribution (sole, palm), and is rarely encountered in the head and neck area. In fact eccrine poroma in the postauricular area has only been rarely reported. A 55-year-old female visited our hospital with a main complaint of a mass that first developed in the left postauricular area about a year previously. The mass was painless, soft, protruding, domed, and dark red in color, and had slowly enlarged (at presentation it measured 1×1 cm)...
March 2017: Arch Craniofac Surg
https://www.readbyqxmd.com/read/28906499/-incomplete-poems-syndrome-with-multicentric-castleman-s-disease
#5
P González de la Aleja, M García-Navarro, R Sánchez-Rodríguez, J M Ramos-Rincón
Castleman's disease (CD) is an atypical lymphoproliferative disorder of unknown cause, characterized by non-clonal nodal hyperplastic growth. Two forms of clinical presentation are currently recognized, one localized and the other multicentric, and four histopathologic variants. It is characterized by generalized lymphadenopathy, hepatosplenomegaly, fever and night sweats. CD may present severe pancytopenia, multi-organ failure, lymphoma evolution and it can sometimes be associated with paraneoplastic syndromes such as POEMS syndrome...
September 14, 2017: Anales del Sistema Sanitario de Navarra
https://www.readbyqxmd.com/read/28906161/heat-stress-modulated-gastrointestinal-barrier-dysfunction-role-of-tight-junctions-and-heat-shock-proteins
#6
Avinash Gupta, Nishant Ranjan Chauhan, Daipayan Chowdhury, Ajeet Singh, Ramesh Chand Meena, Amitabha Chakrabarti, Shashi Bala Singh
Increased environmental temperature exerts a visible impact on an individual's physiology. At the onset of heat stress, there is an increase in core body temperature which triggers peripheral vasodilation and sweating in an effort to dissipate the elevated body heat. The increase in peripheral circulation however reduces blood flow to the internal organs which are thus adversely affected. In particular, the gastrointestinal (GI) tract gets adversely affected during hyperthermia resulting in loosening of the tight junctions (TJs) that finally leads to higher intestinal permeability...
September 14, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28905996/merkel-cells-and-meissner-s-corpuscles-in-human-digital-skin-display-piezo2-immunoreactivity
#7
Y García-Mesa, J García-Piqueras, B García, J Feito, R Cabo, J Cobo, J A Vega, O García-Suárez
The transformation of mechanical energy into electrical signals is the first step in mechanotransduction in the peripheral sensory nervous system and relies on the presence of mechanically gated ion channels within specialized sensory organs called mechanoreceptors. Piezo2 is a vertebrate stretch-gated ion channel necessary for mechanosensitive channels in mammalian cells. Functionally, it is related to light touch, which has been detected in murine cutaneous Merkel cell-neurite complexes, Meissner-like corpuscles and lanceolate nerve endings...
September 14, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28902090/endocrine-mucin-producing-sweat-gland-carcinoma-of-the-eyelid-associated-with-mucinous-adenocarcinoma
#8
Norman C Charles, Alan D Proia, Christopher Lo
Endocrine mucin-producing sweat gland carcinoma, a rare, low-grade neoplasm with predilection for the eyelids, has been posited as a precursor to invasive mucinous adenocarcinoma. Endocrine mucin-producing sweat gland carcinoma and its concurrence with mucinous adenocarcinoma have received little attention in the ophthalmic literature. The combination of the 2 histologic patterns parallels endocrine ductal carcinoma in situ of the breast and its transition to Type B invasive mucinous carcinoma. The authors describe a 59-year-old man who developed a tumor of the right upper eyelid showing endocrine mucin-producing sweat gland carcinoma in the outer dermis and extensive mucinous carcinoma in the deeper tissue...
September 1, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28902056/what-are-the-spiritual-needs-associated-with-grief
#9
Mary T Sweat
No abstract text is available yet for this article.
October 2017: Journal of Christian Nursing: a Quarterly Publication of Nurses Christian Fellowship
https://www.readbyqxmd.com/read/28901746/a-lab-on-skin-a-review-of-flexible-and-stretchable-electronics-for-wearable-health-monitoring
#10
Yuhao Liu, Matt Pharr, Giovanni Antonio Salvatore
Skin is the largest organ of the human body, and it offers a diagnostic interface rich with vital biological signals from the inner organs, blood vessels, muscles, and dermis/epidermis. Soft, flexible, and stretchable electronic devices provide a novel platform to interface with soft tissues for robotic feedback and control, regenerative medicine, and continuous health monitoring. Here, we introduce the term "lab-on-skin" to describe a set of electronic devices that have physical properties, such as thickness, thermal mass, elastic modulus, and water-vapor permeability, which resemble those of the skin...
September 13, 2017: ACS Nano
https://www.readbyqxmd.com/read/28899912/do-nitric-oxide-synthase-and-cyclooxygenase-contribute-to-sweating-response-during-passive-heating-in-endurance-trained-athletes
#11
Tatsuro Amano, Naoto Fujii, Glen P Kenny, Yoshimitsu Inoue, Narihiko Kondo
The aim of our study was to determine if habitual endurance training can influence the relative contribution of nitric oxide synthase (NOS) and cyclooxygenase (COX) in the regulation of sweating during a passive heat stress in young adults. Ten trained athletes and nine untrained counterparts were passively heated until oral temperature (as estimated by sublingual temperature, Tor) increased by 1.5°C above baseline resting. Forearm sweat rate (ventilated capsule) was measured at three skin sites continuously perfused with either lactated Ringer's solution (Control), 10 mmol/L N(G) -nitro-L-arginine methyl ester (L-NAME, non-selective NOS inhibitor), or 10 mmol/L ketorolac (Ketorolac, non-selective COX inhibitor) via intradermal microdialysis...
September 2017: Physiological Reports
https://www.readbyqxmd.com/read/28899687/proteomic-profiling-of-sweat-exosome-suggests-its-involvement-in-skin-immunity
#12
Chang-Xian Wu, Zheng-Fei Liu
The healthy human skin sustains an effective immune defense mechanism, formed by a complex physical and chemical epidermal barrier that coordinates with different cellular components of the skin immune system. However, the mechanism how skin cells regulate local immune homeostasis in health and disease contexts is not well known. To investigate whether exosomes exist in sweat, sweat samples from healthy individuals were collected after aerobic exercise. Sweat exosome was isolated via differential ultracentrifugation, observed under transmission electron microscope, measured by dynamic light scattering and confirmed by immunoblot...
September 9, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28894421/impact-of-different-personal-protective-clothing-on-wildland-firefighters-physiological-strain
#13
Belén Carballo-Leyenda, José G Villa, Jorge López-Satué, Jose A Rodríguez-Marroyo
Wildfire firefighting is an extremely demanding occupation performed under hot environment. The use of personal protective clothing (PPC) is needed to protect subjects from the thermal exposure. However, the additional use of PPC may increase the wildland firefighters' physiological strain, and consequently limit their performance. The aim of this study was to analyze the effect of four different PPC on the physiological strain of wildland firefighters under moderate conditions (30°C and 30% RH). Eight active and healthy wildland firefighters performed a submaximal walking test wearing a traditional short sports gear and 4 different PPC...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28892973/large-eccrine-acrospiroma-of-the-hand
#14
Surya Rao Rao Venkata Mahipathy, Alagar Raja Durairaj, Narayanamurthy Sundaramurthy, Vimal Chander Rajamanohar, Prabu Shankar Sivagnanam
Eccrine acrospiroma are benign skin tumours of sweat duct origin. They usually present as small solid or cystic lesions which are confused clinically with other solid or cystic lesions. These are generally benign lesions with few reports of malignant transformation. Here, we report a case of a middle aged female presenting with a swelling of the dorsum of left first web space which was histopathologically diagnosed as an eccrine acrospiroma, which was managed with surgical excision and covered with a regional flap...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28892501/implementation-of-a-study-to-examine-the-persistence-of-ebola-virus-in-the-body-fluids-of-ebola-virus-disease-survivors-in-sierra-leone-methodology-and-lessons-learned
#15
Gibrilla Fadlu Deen, Suzanna L R McDonald, Jaclyn E Marrinan, Foday R Sesay, Elizabeth Ervin, Anna E Thorson, Wenbo Xu, Ute Ströher, Patricia Ongpin, Neetu Abad, Archchun Ariyarajah, Tasneem Malik, Hongtu Liu, Christine Ross, Kara N Durski, Philippe Gaillard, Oliver Morgan, Pierre Formenty, Barbara Knust, Nathalie Broutet, Foday Sahr
BACKGROUND: The 2013-2016 West African Ebola virus disease epidemic was unprecedented in terms of the number of cases and survivors. Prior to this epidemic there was limited data available on the persistence of Ebola virus in survivors' body fluids and the potential risk of transmission, including sexual transmission. METHODOLOGY/PRINCIPAL FINDINGS: Given the urgent need to determine the persistence of Ebola virus in survivors' body fluids, an observational cohort study was designed and implemented during the epidemic response operation in Sierra Leone...
September 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28892490/development-of-risk-reduction-behavioral-counseling-for-ebola-virus-disease-survivors-enrolled-in-the-sierra-leone-ebola-virus-persistence-study-2015-2016
#16
Neetu Abad, Tasneem Malik, Archchun Ariyarajah, Patricia Ongpin, Matthew Hogben, Suzanna L R McDonald, Jaclyn Marrinan, Thomas Massaquoi, Anna Thorson, Elizabeth Ervin, Kyle Bernstein, Christine Ross, William J Liu, Karen Kroeger, Kara N Durski, Nathalie Broutet, Barbara Knust, Gibrilla F Deen
BACKGROUND: During the 2014-2016 West Africa Ebola Virus Disease (EVD) epidemic, the public health community had concerns that sexual transmission of the Ebola virus (EBOV) from EVD survivors was a risk, due to EBOV persistence in body fluids of EVD survivors, particularly semen. The Sierra Leone Ebola Virus Persistence Study was initiated to investigate this risk by assessing EBOV persistence in numerous body fluids of EVD survivors and providing risk reduction counseling based on test results for semen, vaginal fluid, menstrual blood, urine, rectal fluid, sweat, tears, saliva, and breast milk...
September 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28890784/first-record-of-locally-acquired-human-babesiosis-in-canada-caused-by-babesia-duncani-a-case-report
#17
John D Scott
OBJECTIVES: The aim of this clinical assessment was to ascertain whether a 70-year-old Canadian patient, who had no history of out-of-country travel, had contracted a Babesia infection. METHODS: The adult human male developed constitutional symptoms, which included sweats, chills, and immobilizing fatigue, and was screened for human babesiosis. Subsequent testing included a complete Babesia panel that consisted of B. microti immunoflourescent antibody IgM and IgG, B...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28890508/does-helicobacter-pylori-infection-play-a-role-in-susceptibility-to-brucellosis
#18
Shahla Afrasiabian, Behzad Mohsenpour, Ebrahim Ghaderi, Sara Nadri, Katayon Hajibagheri
Brucellosis is endemic in Iran. Several studies show that brucellosis is associated with other infectious diseases. This study aimed to determine the relationship between brucellosis and Helicobacter pylori. In this case-control study, 100 patients with brucellosis as ceases and 200 participants without brucellosis as controls were evaluated. To compare the prevalence of Helicobacter pylori in the two groups, odds ratio and confidence intervals for every variable were analyzed through using logistic regression model after adjustment for confounding factors...
September 11, 2017: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28890232/complete-progressive-ophthalmoplegia-and-numb-chin-syndrome-the-first-clinical-manifestations-of-a-lethal-abdominal-burkitt-lymphoma
#19
Smaranda Maier, Rodica Bălaşa, Zoltan Bajko, Iunius Simu, Emoke Horvath
A 57-year-old patient was admitted to the Neurology Clinic for hypoesthesia, intense pain in the right chin and double vision. During the hospitalization, the patient developed progressive complete bilateral ophthalmoplegia and numbness of both sides of the chin. Brain CT and MRI scans with gadolinium were normal. Standard laboratory tests on admission were normal. The cerebral spinal fluid examination and the infectious and autoimmune workup were also normal. A thoracic-abdominal and pelvic CT scan revealed two hypodense lesions in the liver, irregular thickening of the gastric and ileal wall, and multiple abdominal adenopathies...
August 18, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28888369/structure-analysis-of-the-membrane-bound-dermcidin-derived-peptide-ssl-25-from-human-sweat
#20
Philipp Mühlhäuser, Parvesh Wadhwani, Erik Strandberg, Jochen Bürck, Anne S Ulrich
SSL-25 (SSLLEKGLDGAKKAVGGLGKLGKDA) is one of the shortest peptides present in human sweat and is produced after the proteolytic processing of the parent peptide dermcidin. Both peptides are reported to have antimicrobial function. To determine the structure of SSL-25 in lipid bilayers, a series of (19)F-labeled SSL-25 analogs were synthesized. Circular dichroism (CD) analysis showed that SSL-25 and all of its analogs formed α-helices in the presence of lipid vesicles, thus allowing a detailed analysis via oriented CD and solid-state NMR...
September 6, 2017: Biochimica et Biophysica Acta
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