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https://www.readbyqxmd.com/read/28343171/circulating-free-light-chain-measurement-in-the-diagnosis-prognostic-assessment-and-evaluation-of-response-of-al-amyloidosis-comparison-of-freelite-and-n-latex-flc-assays
#1
Giovanni Palladini, Arnaud Jaccard, Paolo Milani, David Lavergne, Andrea Foli, Sebastien Bender, Francesca Lavatelli, Tiziana Bosoni, Veronica Valentini, Laura Pirolini, Giovanni Ferraro, Marco Basset, Francesca Russo, Mario Nuvolone, Riccardo Albertini, Michel Cogne, Giampaolo Merlini
BACKGROUND: The measurement of circulating free light chain (FLC) is essential in the diagnosis, prognostic stratification and evaluation of response to therapy in light chain (AL) amyloidosis. For more than 10 years, this has been done with an immunonephelometric assay based on polyclonal antibodies (Freelite), and cutoffs for staging and response assessment have been validated with this method. Recently, a new assay based on monoclonal antibodies (N latex FLC) has been marketed in Europe...
March 27, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28333300/comparison-of-global-gene-expression-profiles-of-microdissected-human-foetal-leydig-cells-with-their-normal-and-hyperplastic-adult-equivalents
#2
Grete Lottrup, Kirstine Belling, Henrik Leffers, John E Nielsen, Marlene D Dalgaard, Anders Juul, Niels E Skakkebæk, Søren Brunak, Ewa Rajpert-De Meyts
STUDY QUESTION: Do human adult Leydig cells (ALCs) within hyperplastic micronodules display characteristics of foetal LCs (FLCs)? SUMMARY ANSWER: The gene expression profiles of FLCs and all ALC subgroups were clearly different, but there were no significant differences in expressed genes between the normally clustered and hyperplastic ALCs. WHAT IS KNOWN ALREADY: LCs are the primary androgen producing cells in males throughout development and appear in chronologically distinct populations; FLCs, neonatal LCs and ALCs...
March 17, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28316114/a-single-haplotype-hyposensitive-to-light-and-requiring-strong-vernalization-dominates-arabidopsis-thaliana-populations-in-patagonia-argentina
#3
Luciana Kasulin, Beth Rowan, Rolando J C León, Verena J Schuenemann, Detlef Weigel, Javier F Botto
The growing collection of sequenced or genotyped Arabidopsis thaliana accessions includes mostly individuals from the native Eurasian and N. African range and introduced North American populations. Here, we describe the genetic and phenotypic diversity, along with habitats and life history, of A. thaliana plants collected at the southernmost end of its worldwide distribution. Seed samples were harvested from plants growing in four sites within a ~3500-km(2) -area in Patagonia, Argentina, and represent the first germplasm to be collected in South America for this species...
March 17, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28304380/comprehensive-analysis-of-the-cancer-genome-atlas-reveals-a-unique-gene-and-non-coding-rna-signature-of-fibrolamellar-carcinoma
#4
Timothy A Dinh, Eva C M Vitucci, Eliane Wauthier, Rondell P Graham, Wendy A Pitman, Tsunekazu Oikawa, Mengjie Chen, Grace O Silva, Kevin G Greene, Michael S Torbenson, Lola M Reid, Praveen Sethupathy
Fibrolamellar carcinoma (FLC) is a unique liver cancer primarily affecting young adults and characterized by a fusion event between DNAJB1 and PRKACA. By analyzing RNA-sequencing data from The Cancer Genome Atlas (TCGA) for >9,100 tumors across ~30 cancer types, we show that the DNAJB1-PRKACA fusion is specific to FLCs. We demonstrate that FLC tumors (n = 6) exhibit distinct messenger RNA (mRNA) and long intergenic non-coding RNA (lincRNA) profiles compared to hepatocellular carcinoma (n = 263) and cholangiocarcinoma (n = 36), the two most common liver cancers...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28284031/immunoparesis-in-igm-gammopathies-as-a-useful-biomarker-to-predict-disease-progression
#5
Marcio Andrade-Campos, Ilda Murillo-Flórez, Ramón García-Sanz, Pilar Giraldo
BACKGROUND: The management of IgM monoclonal gammopathies undetermined significance (IgM-MGUS) and Waldenstrom's macroglobulinemia (WM) may be challenging. Modern immunoassays that quantify specific monoclonal heavy and light chain immunoglobulins are promising for their use in these applications. METHODS: Ninety consecutive patients (39 IgM-MGUS, 32 indolent WM [iWM], and 19 WM) seen between January 2007 and March 2014 were analyzed. Heavy/light chain (HLC) and serum free light chains assays (FLC) were determined at diagnosis to study their utility as biomarkers in IgM monoclonal gammopathies...
March 11, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28273088/depletion-of-arabidopsis-sc35-and-sc35-like-serine-arginine-rich-proteins-affects-the-transcription-and-splicing-of-a-subset-of-genes
#6
Qingqing Yan, Xi Xia, Zhenfei Sun, Yuda Fang
Serine/arginine-rich (SR) proteins are important splicing factors which play significant roles in spliceosome assembly and splicing regulation. However, little is known regarding their biological functions in plants. Here, we analyzed the phenotypes of mutants upon depleting different subfamilies of Arabidopsis SR proteins. We found that loss of the functions of SC35 and SC35-like (SCL) proteins cause pleiotropic changes in plant morphology and development, including serrated leaves, late flowering, shorter roots and abnormal silique phyllotaxy...
March 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28261921/divergence-of-annual-and-perennial-species-in-the-brassicaceae-and-the-contribution-of-cis-acting-variation-at-flc-orthologues
#7
C Kiefer, E Severing, R Karl, S Bergonzi, M Koch, A Tresch, G Coupland
Variation in life history contributes to reproductive success in different environments. Divergence of annual and perennial angiosperm species is an extreme example that has occurred frequently. Perennials survive for several years and restrict the duration of reproduction by cycling between vegetative growth and flowering, whereas annuals live for one year and flower once. We used the tribe Arabideae (Brassicaceae) to study the divergence of seasonal flowering behavior among annual and perennial species. In perennial Brassicaceae, orthologues of FLOWERING LOCUS C (FLC), a floral inhibitor in Arabidopsis thaliana, are repressed by winter cold and reactivated in spring conferring seasonal flowering patterns, whereas in annuals they are stably repressed by cold...
March 6, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28261246/possible-role-of-mads-affecting-flowering-3-and-b-box-domain-protein-19-in-flowering-time-regulation-of-arabidopsis-mutants-with-defects-in-nonsense-mediated-mrna-decay
#8
Zeeshan Nasim, Muhammad Fahim, Ji Hoon Ahn
Eukaryotic cells use nonsense-mediated mRNA decay (NMD) to clear aberrant mRNAs from the cell, thus preventing the accumulation of truncated proteins. In Arabidopsis, two UP-Frameshift (UPF) proteins, UPF1 and UPF3, play a critical role in NMD. Although deficiency of UPF1 and UPF3 leads to various developmental defects, little is known about the mechanism underlying the regulation of flowering time by NMD. Here, we showed that the upf1-5 and upf3-1 mutants had a late-flowering phenotype under long-day conditions and the upf1-5 upf3-1 double mutants had an additive effect in delaying flowering time...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28214923/urinary-free-light-chains-may-help-to-identify-infection-in-patients-with-elevated-systemic-inflammation-due-to-rheumatic-disease
#9
Carsten P Bramlage, Britta Froelich, Manuel Wallbach, Joan Minguet, Clemens Grupp, Cornelia Deutsch, Peter Bramlage, Gerhard A Müller, Michael Koziolek
The risk of infection in patients with rheumatic diseases is elevated, but a clear marker to differentiate the cause of the systemic inflammation is missing. We assessed the ability urinary immunoglobulin free light chains (FLCs) to indicate the presence of infection in patients with rheumatic disease. We performed a retrospective analysis of patients with rheumatic disease attending the Georg-August University Hospital in Goettingen, Germany, from January 2011 to December 2013. Subjects were included if they had urine levels of κ and λ FLCs available...
February 18, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28210504/comparison-of-maximum-stretch-forces-between-femtosecond-laser-assisted-capsulotomy-and-continuous-curvilinear-capsulorhexis
#10
Mari Takagi, Takashi Kojima, Kei Ichikawa, Yoshiki Tanaka, Yukihito Kato, Rie Horai, Akeno Tamaoki, Kazuo Ichikawa
The current study reports comparing the postoperative mechanical properties of the anterior capsule between femtosecond laser capsulotomy (FLC) and continuous curvilinear capsulorhexis (CCC) of variable size and shape in porcine eyes. All CCCs were created using capsule forceps. Irregular or eccentric CCCs were also created to simulate real cataract surgery. For FLC, capsulotomies 5.3 mm in diameter were created using the LenSx® (Alcon) platform. Fresh porcine eyes were used in all experiments. The edges of the capsule openings were pulled at a constant speed using two L-shaped jigs...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28188267/phosphorylation-of-spt5-by-cdkd-2-is-required-for-vip5-recruitment-and-normal-flowering-in-arabidopsis-thaliana
#11
Chengyuan Lu, Yongke Tian, Shiliang Wang, Yanhua Su, Ting Mao, Tongtong Huang, Qingqing Chen, Zuntao Xu, Yong Ding
The elongation factor suppressor of Ty 5 homolog (Spt5) is a regulator of transcription and histone methylation. In humans, phosphorylation of SPT5 by P-TEFb, a protein kinase composed of Cyclin-dependent kinase 9 (CDK9) and cyclin T, interacts with the RNA polymerase II-associated factor1 (PAF1) complex. However, the mechanism of SPT5 phosphorylation is not well understood in plants. Here, we examine the function of SPT5 in Arabidopsis thaliana and find that spt5 mutant flowers early under long-day and short-day conditions...
February 2017: Plant Cell
https://www.readbyqxmd.com/read/28181910/clinical-usefulness-of-serum-free-light-chains-measurement-in-patients-with-multiple-myeloma-comparative-analysis-of-two-different-tests
#12
Tadeusz Kubicki, Dominik Dytfeld, Aleksandra Baszczuk, Ewa Wysocka, Mieczysław Komarnicki, Krzysztof Lewandowski
INTRODUCTION: There are two commercially available tests for measurement of serum free light chains (sFLC) in multiple myeloma (MM) patients - Freelite and N Latex FLC. The aim of this study was to perform an assessment and direct comparison of the usefulness of the methods in routine clinical practice. METHODS: 40 refractory/relapsed MM patients underwent routine disease activity assessment studies, along with sFLC analysis using both assays. Correlation and concordance between the tests and sensitivity of studied methods of sFLC assessment were established...
January 4, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28176517/regulation-of-erg3-erg6-and-erg11-genes-in-antifungal-resistant-isolates-of-candida-parapsilosis
#13
Ensieh Lotfali, Ali Ghajari, Parivash Kordbacheh, Farideh Zaini, Hossein Mirhendi, Rasoul Mohammadi, Fatemeh Noorbakhsh, Sassan Rezaie
Background: Candida parapsilosis is one of the five common strains of yeasts involved in invasive candidiasis. The expression analysis of sterol biosynthesis pathway genes, which are associated with resistance, can assist the better understanding of antifungal resistance mechanisms. Method: The antifungal susceptibility of 120 clinical C. parapsilosis isolates was examined. The changes in the gene expression related to resistance were analyzed. Results: Eight strains were resistant to fluconazole (FLC), itraconazole (ITC), and amphotericin B (AMB)...
February 8, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28173754/genome-wide-analyses-of-four-major-histone-modifications-in-arabidopsis-hybrids-at-the-germinating-seed-stage
#14
Anyu Zhu, Ian K Greaves, Elizabeth S Dennis, W James Peacock
BACKGROUND: Hybrid vigour (heterosis) has been used for decades in cropping agriculture, especially in the production of maize and rice, because hybrid varieties exceed their parents in plant biomass and seed yield. The molecular basis of hybrid vigour is not fully understood. Previous studies have suggested that epigenetic systems could play a role in heterosis. RESULTS: In this project, we investigated genome-wide patterns of four histone modifications in Arabidopsis hybrids in germinating seeds...
February 7, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28165502/post-polyploidisation-morphotype-diversification-associates-with-gene-copy-number-variation
#15
Sarah Schiessl, Bruno Huettel, Diana Kuehn, Richard Reinhardt, Rod Snowdon
Genetic models for polyploid crop adaptation provide important information relevant for future breeding prospects. A well-suited model is Brassica napus, a recent allopolyploid closely related to Arabidopsis thaliana. Flowering time is a major adaptation trait determining life cycle synchronization with the environment. Here we unravel natural genetic variation in B. napus flowering time regulators and investigate associations with evolutionary diversification into different life cycle morphotypes. Deep sequencing of 35 flowering regulators was performed in 280 diverse B...
February 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28144822/in-vitro-activity-of-berberine-alone-and-in-combination-with-antifungal-drugs-against-planktonic-forms-and-biofilms-of-trichosporon-asahii
#16
Lin Cong, Yong Liao, Suteng Yang, Rongya Yang
Trichosporon asahii (T. asahii) is an opportunistic pathogen that can cause life-threatening infections in immunocompromised patients, with high mortality rates up to 80% despite treated with antifungal drugs. The biofilms-forming ability of T. asahii on indwelling medical devices may account for the resistance to antifungal drugs. Berberine (BBR) has been demonstrated to have antifungal activity and synergistic effects in combination with antifungal drugs against pathogenic fungi. In the present study, the in vitro activities of BBR alone or combined with fluconazole (FLC), itraconazole (ITC), voriconazole (VRC), caspofungin (CAS) and amphotericin B (AMB) against planktonic forms and biofilms of 21 clinical T...
January 31, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28138121/activity-of-allyl-isothiocyanate-and-its-synergy-with-fluconazole-against-candida-albicans-biofilms
#17
Jayant Shankar Raut, Bhagyashree Shridhar Bansode, Ashwini Khanderao Jadhav, Sankunny Mohan Karuppayil
Candidiasis involving the biofilms of Candida albicans is a threat to the immunocompromised patients. Candida biofilms are intrinsically resistant to the antifungal drugs hence novel treatment strategies are desired. The study intended to evaluate the anti-Candida activity of allyl isothiocyanate (AITC) alone and with fluconazole (FLC), particularly against the biofilms. Results exhibit the concentration-dependent activity of AITC against the planktonic growth and virulence factors of C. albicans. Significant (p <0...
January 31, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28133872/comparison-of-two-in%C3%A2-vitro-antifungal-sensitivity-tests-and-monitoring-during-therapy-of-sporothrix-schenckii-sensu-stricto-in-malaysian-cats
#18
Hock Siew Han, Rui Kano, Charles Chen, Chiara Noli
BACKGROUND: Feline sporotrichosis is common in Malaysia. Thermosensitivity and effects of azole treatment on fungal susceptibility are unknown. OBJECTIVES: To evaluate thermotolerance and antifungal susceptibility of feline Malaysian Sporothrix isolates, compare microdilution (MD) and E-test results, and investigate changes in susceptibility during azole therapy. METHODS: Sporothrix schenckii sensu stricto was isolated from 44 cats. Thermotolerance was determined via culture at 37°C for 7 days...
February 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28132848/vernalization-triggered-intragenic-chromatin-loop-formation-by-long-noncoding-rnas
#19
Dong-Hwan Kim, Sibum Sung
Long noncoding RNAs (lncRNAs) affect gene regulation through structural and regulatory interactions with associated proteins. The Polycomb complex often binds to lncRNAs in eukaryotes, and an lncRNA, COLDAIR, associates with Polycomb to mediate silencing of the floral repressor FLOWERING LOCUS C (FLC) during the process of vernalization in Arabidopsis. Here, we identified an additional Polycomb-binding lncRNA, COLDWRAP. COLDWRAP is derived from the repressed promoter of FLC and is necessary for the establishment of the stable repressed state of FLC by vernalization...
February 6, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28128051/functional-imaging-in-the-evaluation-of-diabetic-gastroparesis
#20
Prasanna Santhanam, Wael Marashdeh, Lilja B Solnes
Introduction Gastroparesis (a complication of both type 1 and type 2 diabetes mellitus) is delayed gastric emptying in the absence of a mechanical obstruction. Overall prevalence of Gastroparesis is close to 5 % in type 1 diabetes and 1 % in type 2 diabetes. It is unclear if good glycemic control leads to delay of development and progression of gastroparesis. Methods Gastric enteric neurons as well as interstitial cells of Cajal (ICC) are depleted, truncated and are surrounded by immune infiltrates composed of macrophages...
January 26, 2017: Current Diabetes Reviews
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