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https://www.readbyqxmd.com/read/28927259/generation-diversity-determination-and-application-to-antibody-selection-of-a-human-na%C3%A3-ve-fab-library
#1
Sangkyu Kim, Insoo Park, Seung Gu Park, Seulki Cho, Jin Hong Kim, Nagesh S Ipper, Sun Shim Choi, Eung Suk Lee, Hyo Jeong Hong
We constructed a large naïve human Fab library (3 x 1010 colonies) from the lymphocytes of 809 human donors, assessed available diversities of the heavy-chain variable (VH) and κ light-chain variable (VK) domain repertoires, and validated the library by selecting Fabs against 10 therapeutically relevant antigens by phage display. We obtained a database of unique 7,373 VH and 41,804 VK sequences by 454 pyrosequencing, and analyzed the repertoires. The distribution of VH and VK subfamilies and germline genes in our antibody repertoires slightly differed from those in earlier published natural antibody libraries...
September 20, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28927243/early-endometriosis-in-females-is-directed-by-immune-mediated-estrogen-receptor-alpha-and-il6-cross-talk
#2
Katherine A Burns, Seddon Y Thomas, Katherine J Hamilton, Steven L Young, Donald N Cook, Kenneth S Korach
Endometriosis is a gynecological disease that negatively affects the health of 1 in 10 women. While more information is known about late stage disease, the early initiation of endometriosis and lesion development is poorly understood. Herein, we use a uterine tissue transfer mouse model of endometriosis to examine early disease development and its dependence on estradiol (E2) and estrogen receptor a (ERα) within 72 h of disease initiation. Using wild type and ERα knockout mice as hosts or donors, we find significant infiltration of neutrophils and macrophages into the peritoneal cavity...
September 11, 2017: Endocrinology
https://www.readbyqxmd.com/read/28927217/surgical-technique-for-high-flow-internal-maxillary-artery-to-middle-cerebral-artery-bypass-using-a-superficial-temporal-artery-interposition-graft
#3
Xuequan Feng, Ali Tayebi Meybodi, Jordina Rincon-Torroella, Ivan H El-Sayed, Michael T Lawton, Arnau Benet
BACKGROUND: Extracranial-to-intracranial high-flow bypass often requires cranial, cervical, and graft site incisions. The internal maxillary artery (IMA) has been proposed as a donor to decrease invasiveness, but its length is insufficient for direct intracranial bypass. We report interposition of a superficial temporal artery (STA) graft for high-flow IMA to middle cerebral artery (MCA) bypass using a middle fossa approach. OBJECTIVE: To assess the feasibility of an IMA-STA graft-MCA bypass using a new middle fossa approach...
April 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28927137/atypical-chronic-myeloid-leukemia-with-isochromosome-x-p10-a-case-report
#4
Masahide Yamamoto, Sayaka Suzuki, Jun-Ichi Mukae, Keisuke Tanaka, Ken Watanabe, Gaku Oshikawa, Tetsuya Fukuda, Naomi Murakami, Osamu Miura
Atypical chronic myeloid leukemia (aCML) is a rare subtype of myelodysplastic/myeloproliferative neoplasm (MDS/MPN). Although recurrent chromosomal and genetic abnormalities are frequently observed in aCML, none are specific to this type of leukemia. The present study reported a case of aCML associated with i(X)(p10), a rare recurrent chromosomal abnormality of hematological malignancy. A 40-year-old female was referred to the Tokyo Medical and Dental University Hospital (Tokyo, Japan) due to slight leukocytosis and anemia...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927009/brush-polymer-of-donor-accepter-dyads-via-adduct-formation-between-lewis-base-polymer-donor-and-all-carbon-lewis-acid-acceptor
#5
Yang Wang, Miao Hong, Travis S Bailey, Eugene Y-X Chen
A synthetic method that taps into the facile Lewis base (LB)→Lewis acid (LA) adduct forming reaction between the semiconducting polymeric LB and all carbon LA C60 for the construction of covalently linked donor-acceptor dyads and brush polymer of dyads is reported. The polymeric LB is built on poly(3-hexylthiophene) (P3HT) macromers containing either an alkyl or vinyl imidazolium end group that can be readily converted into the N-heterocyclic carbene (NHC) LB site, while the brush polymer architecture is conveniently constructed via radical polymerization of the macromer P3HT with the vinyl imidazolium chain end...
September 18, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28926877/-clinical-effects-of-repair-of-wounds-in-fingers-after-electrical-burn-with-wrist-perforator-free-flaps
#6
H P Di, C D Xia, P P Xing, Q Li, D W Han, J D Xue, D Y Cao
Objective: To explore the clinical effects of repair of wounds in the fingers after electrical burn with wrist perforator free flaps. Methods: Twelve patients (13 fingers) with electrical burn were hospitalized in our burn ward from January 2016 to January 2017. After radical debridement, the size of wounds ranged from 5.0 cm×2.0 cm to 10.0 cm×7.0 cm. Wounds with size below or equal to 6.0 cm ×2.5 cm were repaired with free flaps based on the superficial palmar branch of radial artery, with flap area ranging from 2...
September 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28926875/-effects-of-perforator-flaps-combined-with-muscle-flaps-for-repairing-grade-%C3%A2-pressure-ulcers-in-ischial-tuberosity-of-elderly-patients
#7
W G Su, D P Li, P P Xing, L G Xu, F C Shi, B Wen, X H Niu
Objective: To explore effects of perforator flaps combined with muscle flaps for repairing grade Ⅳ pressure ulcers in ischial tuberosity of elderly patients. Methods: Nine elderly patients with grade Ⅳ pressure ulcers in ischial tuberosity were hospitalized in our burn ward from April 2014 to April 2017. Size of wounds ranged from 5 cm×3 cm to 12 cm×7 cm, and depth of sinus ranged from 6 to 22 cm. After admission, emergency debridement or debridement in selective time was performed. After debridement, the wounds were treated with continuous vacuum assisted closure therapy...
September 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28926566/guidelines-for-the-management-of-a-brain-death-donor-in-the-rhesus-macaque-a-translational-transplant-model
#8
Tiffany J Zens, Juan S Danobeitia, Peter J Chlebeck, Laura J Zitur, Scott Odorico, Kevin Brunner, Jennifer Coonen, Saverio Capuano, Anthony M D'Alessandro, Kristina Matkowskyj, Weixiong Zhong, Jose Torrealba, Luis Fernandez
INTRODUCTION: The development of a translatable brain death animal model has significant potential to advance not only transplant research, but also the understanding of the pathophysiologic changes that occur in brain death and severe traumatic brain injury. The aim of this paper is to describe a rhesus macaque model of brain death designed to simulate the average time and medical management described in the human literature. METHODS: Following approval by the Institutional Animal Care and Use Committee, a brain death model was developed...
2017: PloS One
https://www.readbyqxmd.com/read/28926407/dysfunctional-hdl-from-hiv-individuals-promotes-monocyte-derived-foam-cell-formation-in-vitro
#9
Thomas A Angelovich, Anna C Hearps, Michael N Oda, Mark S Borja, Diana Huynh, Stefanie Homann, Anthony Jaworowski, Theodoros Kelesidis
OBJECTIVE: The role of HDL function in HIV-related atherosclerotic cardiovascular disease (CVD) is unclear. HDLs isolated from HIV+ [HIV(+)HDL] and HIV-uninfected individuals (HDL) were assessed for HDL function and ability to promote monocyte-derived foam cell formation (MDFCF) (a key event in HIV-related CVD) ex vivo. DESIGN/METHODS: Using an established in vitro model of atherogenesis and plasma samples from an established cross-sectional study of virologically-suppressed HIV+ males on stable effective antiretroviral therapy (ART) and with low CVD risk (median age: 42 years; n = 10), we explored the impact of native HDL [HIV(+)HDL] on MDFCF...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28926189/environmental-peer-pressure-cd4-t-cell-help-in-tolerance-and-transplantation
#10
REVIEW
Dana Tedesco, Arash Grakoui
The liver participates in a multitude of metabolic functions that are critical for sustaining human life. Despite constant encounters with antigenic-rich intestinal blood, oxidative stress and metabolic intermediates, there is no appreciable immune response. Interestingly, patients undergoing orthotopic liver transplantation benefit from a high rate of graft acceptance in comparison to other solid organ transplant recipients. In fact, co-transplantation of a donor liver in tandem with a rejection-prone graft increases the likelihood of graft acceptance...
September 19, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28926173/excellent-outcomes-in-combined-liver-kidney-transplantation-impact-of-kdpi-and-delayed-kidney-transplantation
#11
Burcin Ekser, Richard S Mangus, Chandrashekhar A Kubal, John A Powelson, Jonathan A Fridell, William C Goggins
The positive impact of delayed kidney transplantation (KT) on patient survival for combined liver-KT (CLKT) has already been demonstrated by our group. The purpose of this study is to identify whether the quality of the kidneys (based on KDPI) or the delayed approach KT contributes to improved patient survival. 130 CLKT were performed between 2002-2015; 69 with simultaneous KT (Group S) and 61 with delayed KT (Group D) (performed as a second operation with a mean cold ischemia time [CIT] of 50±15h). All patients were categorized according to the KDPI score; 1-33%, 34-66%, and 67-99%...
September 19, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28926172/hydrogen-transfer-mediated-a-functionalization-of-1-8-naphthyridines-by-a-strategy-overcoming-the-over-hydrogenation-barrier
#12
Xiuwen Chen, He Zhao, Chunlian Chen, Huanfeng Jiang, Min Zhang
By a hydrogen transfer-mediated activation mode for non-activated pyridyl nucleus, a general catalytic hydrogen transfer-mediated -functionalization of 1,8-naphthyridines is reported for the first time. Its -site selectively couples with the C8-site of various tetrahydroquinolines (THQs) to afford novel -functionalized tetrahydro 1,8-naphthyridines, a class of synthetically useful building blocks and potential candidates for the discovery of therapeutic and bio-active products. The utilization of THQs as inactive hydrogen donors (HDs) appears to be a key strategy to overcome the over-hydrogenation barrier and address the chemo-selectivity issue...
September 19, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28926171/biliary-reconstructive-techniques-and-associated-anatomic-variants-in-adult-living-donor-liver-transplants-the-a2all-experience
#13
Talia B Baker, Michael A Zimmerman, Nathan P Goodrich, Benjamin Samstein, Elizabeth A Pomfret, James J Pomposelli, Brenda W Gillespie, Carl L Berg, Jean C Emond, Robert M Merion
INTRODUCTION: Living donor liver transplantation (LDLT) is a technically demanding endeavor, requiring command of the complex anatomy of partial liver grafts. We examined the influence of anatomic variation and reconstruction technique on surgical outcomes and graft survival in the nine-center A2ALL Study. METHODS: Data from 272 adult LDLT recipients (2011-2015) included details on anatomic characteristics and types of intraoperative biliary reconstruction. Associations were tested between reconstruction technique and complications, which included first biliary complication ([BC]; leak, stricture, or biloma) and first vascular complication (hepatic artery thrombosis [HAT] or portal vein thrombosis [PVT])...
September 19, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28926139/the-synonymous-nucleotide-substitution-rhd-1056c-g-alters-mrna-splicing-associated-with-serologically-weak-d-phenotype
#14
Sejong Chun, Jae Won Yun, Geon Park, Duck Cho
BACKGROUND: D antigen is one of the most clinically significant blood group antigens. Variation of the RHD gene can cause weak D or partial D phenotypes. While most variations are missense substitutions with amino acid changes, those without are called "silent" or "synonymous" substitutions. Synonymous substitutions often have little effect on the protein, not altering the phenotype. However, effect on splicing can affect end-product protein. We report a new synonymous variation, RHD 1056C>G, that resulted in weak D phenotype, and predicted its effect with various in silico methods...
September 19, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28926067/3-aminoperylene-and-ascorbate-in-aqueous-sds-one-green-laser-flash-%C3%A2-and-action-sustainably-detoxifying-a-recalcitrant-chloro-organic
#15
Tim Kohlmann, Robert Naumann, Christoph Kerzig, Martin Goez
The hydrated electron represents a "super-reductant" in water, providing 2.9 eV of reductive power, which suffices to decompose nonactivated aliphatic halides. We show that 3-amino-perylene in SDS micelles, when combined with the bioavailable ascorbate as an extramicellar sacrificial donor, sustainably produces hydrated electrons through photoredox catalysis with green light, from a metal-free system, and at near-physiological pH. Photoionization of the amine with a 532 nm laser yields an extremely long-lived radical cation as the by-product, and a subsequent reaction of the latter with the sacrificial donor across the micelle/water interface regenerates the catalyst...
September 19, 2017: Photochemical & Photobiological Sciences
https://www.readbyqxmd.com/read/28926052/pseudo-electron-deficient-organometallics-limited-reactivity-towards-electron-donating-ligands
#16
Anaïs Pitto-Barry, Alexandru Lupan, Markus Zegke, Thomas Swift, Amr A A Attia, Rianne M Lord, Nicolas P E Barry
Half-sandwich metal complexes are of considerable interest in medicinal, material, and nanomaterial chemistry. The design of libraries of such complexes with particular reactivity and properties is therefore a major quest. Here, we report the unique and peculiar reactivity of eight apparently 16-electron half-sandwich metal (ruthenium, osmium, rhodium, and iridium) complexes based on benzene-1,2-dithiolato and 3,6-dichlorobenzene-1,2-dithiolato chelating ligands. These electron-deficient complexes do not react with electron-donor pyridine derivatives, even with the strong σ-donor 4-dimethylaminopyridine (DMAP) ligand...
September 19, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28925953/transesterification-synthesis-of-chloramphenicol-esters-with-the-lipase-from-bacillus-amyloliquefaciens
#17
Fengying Dong, Lingmeng Li, Lin Lin, Dannong He, Jingwen Chen, Wei Wei, Dongzhi Wei
This work presents a synthetic route to produce chloramphenicol esters by taking advantage the high enantio- and regio-selectivity of lipases. A series of chloramphenicol esters were synthesized using chloramphenicol, acyl donors of different carbon chain length and lipase LipBA (lipase cloned from Bacillus amyloliquefaciens). Among acyl donors with different carbon chain lengths, vinyl propionate was found to be the best. The influences of different organic solvents, reaction temperature, reaction time, enzyme loading and water content on the synthesis of the chloramphenicol esters were studied...
September 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28925897/role-of-apoptosis-in-the-pathogenesis-of-common-variable-immunodeficiency-cvid
#18
Mazdak Ganjalikhani-Hakemi, Reza Yazdani, Mohammad Esmaeili, Hassan Abolhassani, Wiliam Rae, Gholamreza Azizi, Majid Zaki Dizaji, Mohammadreza Shaghaghi, Faezeh Abbasi-Rad, Abbas Rezaei, Sanaz Afshar-Qasemloo, Saeed Mohammadi, Nima Rezaei, Asghar Aghamohammadi
BACKGROUND: Common variable immunodeficiency (CVID) is a heterogeneous immune deficiency characterized by hypogammaglobulinemia. Since B cell maturation and differentiation is defective in this disorder, we evaluated apoptosis in B cells of patients with CVID compared with healthy donors (HD). METHODS: Determination of peripheral blood B-cell subsets in CVID and HDs, was performed using flow cytometry. We compared total apoptosis, early apoptosis and late apoptosis/necrosis in unstimulated and stimulated B-cells of patients with CVID and HDs...
September 19, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/28925732/interleukin-10-gene-transfer-in-rat-limbal-transplantation
#19
Claude Kaufmann, Lauren A Mortimer, Helen M Brereton, Yazad D Irani, Douglas Ga Parker, Donald S Anson, Lucas M Bachmann, Keryn A Williams
PURPOSE: To evaluate the gene transfer of the interleukin (IL)-10 cytokine as a treatment modality for prolonging limbal allograft survival in a rat model. MATERIALS AND METHODS: Adenoviral (AV) and lentiviral (LV) vectors were produced for ex vivo gene transfer into limbal graft tissue prior to orthotopic transplantation. Experimental groups comprised unmodified isografts, unmodified allografts, allografts transfected with a reporter gene, and allografts transfected with IL-10...
September 19, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28925705/incoherent-pathways-of-charge-separation-in-organic-hybrid-solar-cells
#20
Alexander Grupp, Philipp Ehrenreich, Julian Kalb, Arne Budweg, Lukas Schmidt-Mende, Daniele Brida
In this work, we investigate the exciton dissociation dynamics occurring at the donor-acceptor interface in organic and hybrid blends employed in the realization of photovoltaic cells. Fundamental differences in the charge separation process are studied with the organic semiconductor polymer poly(3-hexylthiophene) (P3HT) and either [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) or titanium dioxide (TiO2) acting as acceptor. By using ultrafast broadband transient absorption spectroscopy with few-fs temporal resolution, we observe that in both cases the incoherent formation of free charges is dominating the charge generation process...
September 19, 2017: Journal of Physical Chemistry Letters
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