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https://www.readbyqxmd.com/read/30515140/sublethal-injury-and-viable-but-non-culturable-vbnc-state-in-microorganisms-during-preservation-of-food-and-biological-materials-by-non-thermal-processes
#1
REVIEW
Felix Schottroff, Antje Fröhling, Marija Zunabovic-Pichler, Anna Krottenthaler, Oliver Schlüter, Henry Jäger
The viable but non-culturable (VBNC) state, as well as sublethal injury of microorganisms pose a distinct threat to food safety, as the use of traditional, culture-based microbiological analyses might lead to an underestimation or a misinterpretation of the product's microbial status and recovery phenomena of microorganisms may occur. For thermal treatments, a large amount of data and experience is available and processes are designed accordingly. In case of innovative inactivation treatments, however, there are still several open points with relevance for the investigation of inactivation mechanisms as well as for the application and validation of the preservation processes...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/30506955/amylin-a-peptide-expressed-by-nociceptors-modulates-chronic-neuropathic-pain
#2
Lígia Sofia Almeida, José Manuel Castro-Lopes, Fani Lourença Neto, Catarina Soares Potes
BACKGROUND: Amylin is a calcitonin gene-related peptide family member expressed by nociceptors. Amylin's expression is down-regulated following nerve damage and studies suggested it affects nociception. We aimed at clarifying amylin's effects on chronic neuropathic pain and investigating its site of action. METHODS: Chronic neuropathic pain was induced in rats by spared nerve injury (SNI) surgery. Mechanical allodynia/hyperalgesia and cold allodynia/hyperalgesia were assessed by the von Frey, pin-prick, acetone and cold plate behavioural tests, respectively...
December 2, 2018: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/30505787/the-direct-use-of-mobile-phone-and-the-occurrence-of-chondrodermatitis-nodularis-in-the-antihelix-an-exemplificative-case
#3
Federica Di Berardino, Diego Zanetti
Chondrodermatitis nodularis helicis (CNH) is an idiopathic inflammatory painful condition of the ear characterized by a tender nodule located on the helix or antihelix. Even if various causes have been ascribed, such as a microvascular injury due to acute exposure to cold or trauma, pressure, or rubbing, etiopathogenesis still remains unknown. We describe the unusual case of a young female with a peculiar sequential onset of bilateral CNH in the antihelix region, possibly ascribed to the direct use of mobile phone without earphones...
November 2018: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/30498765/hypothermic-oxygenated-machine-perfusion-of-the-human-donor-pancreas
#4
Marjolein Leemkuil, Grietje Lier, Marten A Engelse, Rutger J Ploeg, Eelco J P de Koning, Nils A 't Hart, Christina Krikke, Henri G D Leuvenink
Background: Transplantation of beta cells by pancreas or islet transplantation is the treatment of choice for a selected group of patients suffering from type 1 diabetes mellitus. Pancreata are frequently not accepted for transplantation, because of the relatively high vulnerability of these organs to ischemic injury. In this study, we evaluated the effects of hypothermic machine perfusion (HMP) on the quality of human pancreas grafts. Methods: Five pancreata derived from donation after circulatory death (DCD) and 5 from donation after brain death (DBD) donors were preserved by oxygenated HMP...
October 2018: Transplantation Direct
https://www.readbyqxmd.com/read/30496025/dropping-the-hammer-an-uncommon-case-of-right-hand-pain-in-a-professional-hockey-player
#5
Donald Kasitinon, Robert J Dimeff
A 26-year-old, right-handed male professional hockey player presented for a second opinion with dysesthesia of the tips of his right third, fourth, and fifth fingers after 2 previous incidents of hyperextension injuries to his right wrist while holding his hockey stick. Radiographs and computed tomography scans were negative for fracture. After magnetic resonance angiography and Doppler ultrasound imaging, the athlete was diagnosed with hypothenar hammer syndrome (HHS) with ulnar artery aneurysm and thrombosis...
November 29, 2018: Sports Health
https://www.readbyqxmd.com/read/30482566/electrophysiology-in-diagnosis-and-management-of-neuropathic-pain
#6
REVIEW
L Garcia-Larrea, K Hagiwara
Electrophysiological techniques demonstrate abnormalities in somatosensory transmission, hence providing objective evidence of 'somatosensory lesion or disease' which is crucial to the diagnosis of neuropathic pain (NP). Since most instances of NP result from damage to thermo-nociceptive pathways (thin fibres and spino-thalamo-cortical systems), specific activation of these is critical to ensure diagnostic accuracy. This is currently achieved using laser pulses or contact heat stimuli, and in a near future probably also with contact cold and intra-epidermal low-intensity currents...
October 25, 2018: Revue Neurologique
https://www.readbyqxmd.com/read/30477939/factors-associated-with-postoperative-renal-dysfunction-and-the-subsequent-impact-on-survival-after-open-juxtarenal-abdominal-aortic-aneurysm-repair
#7
Thomas F X O'Donnell, Laura T Boitano, Sarah E Deery, William D Clouse, Jeffrey J Siracuse, Marc L Schermerhorn, Richard Green, Hiroo Takayama, Virendra I Patel
BACKGROUND: Renal dysfunction is a well-described complication of open juxtarenal abdominal aortic aneurysm repair, but the associated risk factors and corresponding impact on survival are not well described. METHODS: We identified all patients not on hemodialysis undergoing open repair of nonruptured juxtarenal aneurysms in the Vascular Quality Initiative from 2003 to 2017. We used mixed-effects logistic regression to determine factors associated with in-hospital postoperative renal dysfunction, including acute kidney injury (AKI, defined as serum creatinine concentration increase >0...
November 23, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/30475637/update-cold-weather-injuries-active-and-reserve-components-u-s-armed-forces-july-2013-june-2018
#8
(no author information available yet)
From July 2017 through June 2018, a total of 478 members of the active (n=402) and reserve (n=76) components had at least one medical encounter with a primary diagnosis of cold injury. The crude overall incidence rate of cold injury for all active component service members in 2017-2018 was 19.6% higher than the rate for the 2016-2017 cold season and was the highest rate since the 2013-2014 season. Frostbite was the most common type of cold injury among active component service members in 2017-2018. Among active component members during the 2013-2018 cold seasons, overall rates of cold injuries were generally highest among males, non-Hispanic black service members, the youngest (less than 20 years old), and those who were enlisted...
November 2018: MSMR
https://www.readbyqxmd.com/read/30470437/deceased-donor-acute-kidney-injury-is-not-associated-with-kidney-allograft-failure
#9
Isaac E Hall, Enver Akalin, Jonathan S Bromberg, Mona D Doshi, Tom Greene, Meera N Harhay, Yaqi Jia, Sherry G Mansour, Sumit Mohan, Thangamani Muthukumar, Peter P Reese, Bernd Schröppel, Pooja Singh, Heather R Thiessen-Philbrook, Francis L Weng, Chirag R Parikh
Deceased-donor acute kidney injury (AKI) is associated with organ discard and delayed graft function, but data on longer-term allograft survival are limited. We performed a multicenter study to determine associations between donor AKI (from none to severe based on AKI Network stages) and all-cause graft failure, adjusting for donor, transplant, and recipient factors. We examined whether any of the following factors modified the relationship between donor AKI and graft survival: kidney donor profile index, cold ischemia time, donation after cardiac death, expanded-criteria donation, kidney machine perfusion, donor-recipient gender combinations, or delayed graft function...
November 14, 2018: Kidney International
https://www.readbyqxmd.com/read/30467544/postpolypectomy-bleeding-prevention-and-more-complete-precancerous-colon-polyp-removal-with-endoscopic-mucosal-stripping-ems
#10
Zongyu John Chen, Kenneth P Batts
Background and Aims: Postpolypectomy bleeding and incomplete polyp removal are important complication and quality concerns of colonoscopy for colon cancer prevention. We investigated if endoscopic mucosal stripping (EMS) as a technical modification of traditional cold snare polypectomy to avoid submucosal injury during removal of non-pedunculated colon polyps could prevent postpolypectomy bleeding and facilitate complete polyp removal. Methods: This is an Internal Review Board exemption-granted retrospective analysis of 5,142 colonoscopies with snare polypectomy performed by one of the authors (ZJC) at Minnesota Gastroenterology ambulatory endoscopy centers during a 12-year period divided into pre-EMS era (2005-2012, n = 2,973) and EMS era (2013-2016, n = 2169) with systemic adoption of EMS starting 2013...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/30467306/protective-effects-of-apoptosis-of-kupffer-cells-induced-by-zoledronate-liposomes-following-hepatic-ischemia-reperfusion-injury
#11
Qiao-Hong Zhao, Feng Han, Kun Wu, Jie Zhang, Tian-Fang Xia, Jian Chen, Zhen-Shen Qing, Li-Qun Pang
BACKGROUND The goal of this study was to observe the effect of the apoptosis of Kupffer cells (KCs) selectively induced by zoledronate liposomes following the hepatic ischemia-reperfusion injury (IRI) in the rat liver transplantation model and to explore its mechanisms. MATERIAL AND METHODS The rat liver transplantation model was established using the improved Kamada method. Male Sprague Dawley rats were randomly divided into 3 groups: no liver transplantation or drug treatment (Group A); donor rats were injected with 1 mL normal saline through the tail vein for 3 continuous days before transplantation, and the donor liver was preserved in cold for 2 hours (Group B); donor rats were injected with 1 mL zoledronate liposomes (0...
November 23, 2018: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/30465999/therapeutic-and-preventative-effects-of-ankaferd-blood-stopper-in-an-experimental-necrotizing-enterocolitis-model
#12
Mehmet Buyuktiryaki, Cuneyt Tayman, Ismail Koyuncu, Ufuk Cakir, Tugba Taskin Turkmenoglu, Esra Cakir, Nilufer Okur
Necrotizing enterocolitis (NEC) is a major neonatal health problem that especially affects preterm infants and causes severe morbidity and mortality. Although its pathogenesis is not fully understood, important risk factors include prematurity, oxidative stress, inflammation, and apoptosis. Ankaferd Blood Stopper® (ABS) has antioxidant, antiinflammatory, antimicrobial, antiapoptotic, and wound healing accelerant properties. In this study, we aimed to investigate whether treatment with ABS reduced the severity of NEC in rat pups in an experimental NEC model...
November 19, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/30463709/reduced-hypoxia-related-genes-in-porcine-limbs-in-ex-vivo-hypothermic-perfusion-versus-cold-storage
#13
Nicco Krezdorn, Dharaniya Sakthivel, Marvee Turk, Mario A Aycart, Sotirios Tasigiorgos, Ericka M Bueno, Indranil Sinha, Bohdan Pomahac
BACKGROUND: Ischemia-reperfusion injury remains the major limiting factor for limb replantation and transplantation. Static cold storage (SCS) on ice currently represents the standard mode of preservation but is limited to 6 h of duration. Ex vivo machine perfusion has evolved as a potential alternative to safely extend the duration of ex vivo preservation by providing continuous supply of oxygen and nutrients. This study aims to evaluate underlying molecular mechanisms of both preservation modalities...
December 2018: Journal of Surgical Research
https://www.readbyqxmd.com/read/30461725/human-atrial-natriuretic-peptide-in-cold-storage-of-donation-after-circulatory-death-rat-livers-an-old-but-new-agent-for-protecting-vascular-endothelia
#14
Yermek Nigmet, Koichiro Hata, Ichiro Tamaki, Yusuke Okamura, Tatsuaki Tsuruyama, Hidetaka Miyauchi, Jiro Kusakabe, Tetsuya Tajima, Hirofumi Hirao, Toyonari Kubota, Osamu Inamoto, Junichi Yoshikawa, Toru Goto, Hirokazu Tanaka, Shinji Uemoto
BACKGROUND: Current critical shortage of donor organs has increased the use of donation after circulatory death (DCD) livers for transplantation, despite higher risk for primary non-function or ischemic cholangiopathy. Human atrial natriuretic peptide (hANP) is a cardiovascular hormone that possesses protective action to vascular endothelia. We aimed to clarify the therapeutic potential of hANP in cold storage of DCD livers. METHODS: Male Wistar rats were exposed to 30-minute warm ischemia in situ...
November 19, 2018: Transplantation
https://www.readbyqxmd.com/read/30461215/the-regulation-of-cirbp-by-transforming-growth-factor-beta-during-heat-shock-induced-testicular-injury
#15
M Rao, D Ke, G Cheng, S Hu, Y Wu, Y Wang, F Zhou, H Liu, C Zhu, W Xia
BACKGROUND: Cold-inducible RNA-binding protein (CIRBP) is associated with cell stress. However, its upstream regulatory factors are still largely unknown. OBJECTIVES: This study investigated whether CIRBP expression was regulated by transforming growth factor beta (TGF-β) during the process of heat-induced testicular damage. MATERIALS AND METHODS: Ten male adult ICR mice were allocated to heat treatment (scrotal hyperthermia at 43 °C for 30 min, n = 5) and control group (n = 5); CIRBP and TGF-β1, TGF-β2, and TGF-β3 expression levels in the testis in mRNA and protein were analyzed...
November 21, 2018: Andrology
https://www.readbyqxmd.com/read/30459044/selective-brain-hypothermia
#16
Jae H Choi, John Pile-Spellman
Selective brain hypothermia is a powerful concept for neuroprotection that has been successfully investigated in a variety of animal models of global and focal ischemia. Its major advantages over systemic hypothermia include rapid induction of cooling, ability to achieve profound target brain temperatures, organ-selective cooling, and temperature control. Clinical systems and devices are available or are currently under development that utilize conductive (surface-cooling pads, closed-loop catheters), convective (transnasal coolant delivery), or mass and energy transport (cold intra-arterial infusion) methods to achieve and maintain selective brain hypothermia...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/30459042/thermoregulation-following-spinal-cord-injury
#17
Mike J Price, Michelle Trbovich
Spinal cord injury results in physiologic adaptations affecting heat production (reduced muscle mass) and heat dissipation (blood redistribution and reduced sweating capacity below the level of lesion). However, it is the balance between these factors which determines whether heat balance is achieved. Core temperature estimates are generally consistent with those for the able-bodied, with cooler values reported in some instances. More notable differences are demonstrated through cooler lower-body skin temperatures at rest and a loss of anticipatory control during exposure to heat and cold when compared to the able-bodied...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/30454608/peripheral-thermoreceptors-in-innocuous-temperature-detection
#18
Wilfrid Jänig
The mammalian skin is innervated by cold-sensitive afferent neurons. These neurons exhibit ongoing activity at temperatures between ~10 and 42°C, are activated by innocuous cold stimuli, inhibited by warm stimuli and are mechanoinsensitive. Their axons are small-diameter myelinated (Aδ-) fibers in primates and unmyelinated (C-) fibers in nonprimate mammals. The mammalian skin is innervated by warm-sensitive afferent neurons. The density of innervation by these neurons is lower than that by cold-sensitive afferents...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/30447334/temporal-proteomics-of-arabidopsis-plasma-membrane-during-cold-and-de-acclimation
#19
Yushi Miki, Daisuke Takahashi, Yukio Kawamura, Matsuo Uemura
Freezing stress is one of the most important limiting factors of plant survival. Plants have developed a freezing adaptation mechanism upon sensing low temperatures (cold acclimation). Compositional changes in the plasma membrane, one of the initial sites of freezing injury, is prerequisite of achieving cold acclimation and have been investigated in several plant species. Conversely, the cold dehardening process at elevated temperatures (de-acclimation) has not yet been fully characterized and few studies have addressed the importance of the plasma membrane in the de-acclimation process...
November 14, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/30445022/physiology-of-crapemyrtle-bark-scale-acanthococcus-lagerstroemiae-kuwana-associated-with-seasonally-altered-cold-tolerance
#20
Zinan Wang, Yan Chen, Rodrigo Diaz, Roger A Laine
Temperature is one of the most important abiotic factors influencing the adaptation and diversification of insects. Diverse and complex physiological mechanisms have evolved to help insects adapt to seasonal changes in temperature and prevent cold injury. Although the mechanisms of seasonal adaptation to low temperatures have been studied for insects in different taxa, none of these mechanisms have been investigated in scale insects in the superfamily Coccoidea. The crapemyrtle bark scale, Acanthococcus lagerstroemiae (Kuwana) (Hemiptera: Eriococcidae), is a newly introduced scale pest of crapemyrtles, Lagerstroemia spp...
November 13, 2018: Journal of Insect Physiology
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