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1.
J Nanosci Nanotechnol ; 20(2): 1013-1019, 2020 Feb 01.
Artigo em Inglês | MEDLINE | ID: mdl-31383099

RESUMO

Nanomaterial-based flexible strain sensors have developed rapidly in recent years. Here, we propose a flexible strain sensor based on polydimethylsiloxane with carbon nanotubes (CNTs) and graphene quantum dots (GQDs). Different weight ratios of CNTs and GQDs were used as the sensitive units of the strain sensors. After analyzing the results of current-voltage curves and the strain effects of the sensors, we concluded that the introduction of GQDs played an important role in improving the sensitivity of the sensors. The gauge factor of the as-prepared strain sensors ranges from 0 to 841.42.

2.
Cancer Lett ; 468: 27-40, 2020 Jan 01.
Artigo em Inglês | MEDLINE | ID: mdl-31604115

RESUMO

Patients with recurrent nasopharyngeal carcinoma (NPC) have more co-existing distant metastasis than those of no-recurrence and are more likely to suffer distant metastasis after re-irradiation than patients with newly diagnosed NPC. However, the relationship between radioresistance and distant metastasis and the mechanisms involved in radioresistance-associated metastasis are still unclear. In this study, we proved that C-C motif chemokine ligand 2 (CCL2) expression was significantly elevated in HONE1-IR cells and recurrent NPC tumour. Inhibition of CCL2 enhanced sensitivity to radiotherapy in NPC cells. Moreover, autocrine CCL2 promoted NPC cell adaptive radioresistance, metastasis and epithelial-mesenchymal transition. Additionally, p53 activated CCL2 transcription. High CCL2 expression was highly associated with poorer locoregional recurrence free survival, progression free survival and overall survival in patients with newly diagnosed NPC. Notably, high CCL2 expression was an independent prognostic factor for distant metastasis free survival in recurrent NPC patients. Our results provide insights into the autocrine signalling mechanisms of CCL2 and suggest that inhibition of autocrine CCL2 may be a candidate treatment strategy for management of radioresistant NPC.

3.
J Nanosci Nanotechnol ; 20(4): 2087-2094, 2020 Apr 01.
Artigo em Inglês | MEDLINE | ID: mdl-31492216

RESUMO

The wound of diabetic foot is difficult to heal, and in severe cases, diabetic patients have to undergo limb amputation even after wound management. Hyperglycemia-caused vascular dysfunction and serious wound bacterial infection are the two main causes of unhealed diabetic foot ulcers. Therefore, it would be of great benefit to rescue stalled healing in diabetic wound if the blood glucose concentration can be efficiently decreased while controlling the bacterial infection in diabetic wound. Herein, we report glucose oxidase (GOx)-loaded antimicrobial peptide hydrogels and investigate their potential as diabetic wound dressings. The antimicrobial hydrogels are formed by the selfassembly of a heptapeptide (IKYLSVN) driven by intermolecular hydrogen bonding and π-π stacking interaction. The loaded GOx can convert glucose into hydrogen peroxide (H2O2), thus reducing blood glucose concentration of diabetic patients. At the same time, the produced H2O2 is antimicrobial and can combat bacterial infection in diabetic wound together with the antimicrobial hydrogels. Microscopic morphology observation of hydrogel shows uniform fibers with approximately 40 nm in size. The embedding rate can still reach 90% when the loading rate of the hydrogel loaded glucose oxidase is 12%. GOx is released by the swelling of the hydrogel based on the mechanism of free diffusion, and the cumulative release rate reaches 55%. Moreover, in vitro experiments showed that our GOx-loaded peptide hydrogel exhibits outstanding antimicrobial activity while can efficiently reduce glucose concentration of blood samples, showing great potential as promising diabetic wound dressings.

4.
J Biomed Mater Res A ; 108(1): 127-135, 2020 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-31515867

RESUMO

The foreign body reaction (FBR) is described as a local chronic inflammation after implantation of biomaterials in which macrophages involved intimately. At the stage of acute inflammation, mast cells release histamine, Interleukin-4 (IL-4) and Interleukin-13 (IL-13), enhancing recruitment, and fusion of macrophages in the following phase. As for chronic intensive inflammation, degradation of biomaterials would be promoted by macrophage-derived foreign body giant cells releasing degradative enzymes, acid and reactive oxygen intermediates. Nevertheless, it could be seen as a breakthrough point for regulating FBR, considering the dominant role of the macrophage in the immune response as exemplified by the decrease of IL-4 and IL-13, stabilizing an appropriate balance between two macrophage phenotypes, selectively suppressing some function of macrophages, and so on. Moreover, the relationship between macrophages polarization and the development of a fibrous capsule, which increase the possibility of implantation failure, will be illustrated later. This review aims at providing readers a comprehensive understanding of FBR and its correlative treatment strategy.

5.
J Pharm Biomed Anal ; 177: 112848, 2020 Jan 05.
Artigo em Inglês | MEDLINE | ID: mdl-31479998

RESUMO

Metabolic syndrome (MetS) is an important risk factor for type 2 diabetes, cardiovascular diseases and all-cause morbidity and mortality. Biomarkers can provide insight into the mechanism, facilitate early detection, and monitor progression of MetS and its response to therapeutic interventions. To identify potential biomarkers, we applied a non-targeted and targeted lipidomics method to characterize plasma metabolic profile in MetS patients. Metabolic profiling was performed on a non-target set (40 cases and 40 controls) on UHPLC-Q-TOF/MS and target set (80 MetS patients and 80 healthy controls) on UHPLC-Q-orbitrap MS. Using comprehensive screening and validation workflow, we identified a panel of three metabolites including PC(18:1/P-16:0), PC(o-22:3/22:3), PC(P-18:1/16:1). Our results indicated that the identified biomarkers may improve the risk prediction and provide a novel tool for monitoring of the progression of disease and response to treatment in MetS patients.

6.
Cardiorenal Med ; : 1-9, 2019 Nov 06.
Artigo em Inglês | MEDLINE | ID: mdl-31694019

RESUMO

INTRODUCTION: Vascular calcification (VC) is a complex, regulated process involved in many disease entities. So far, there are no treatments to reverse it. Exploring novel strategies to prevent VC is important and necessary for VC-related disease intervention. OBJECTIVE: In this study, we evaluated whether MOTS-c, a novel mitochondria-related 16-aa peptide, can reduce vitamin D3 and nicotine-induced VC in rats. METHODS: Vitamin D3 plus nicotine-treated rats were injected with MOTS-c at a dose of 5 mg/kg once a day for 4 weeks. Blood pressure, heart rate, and body weight were measured, and echocardiography was performed. The expression of phosphorylated adenosine monophosphate-activated protein kinase (AMPK) and the angiotensin II type 1 (AT-1) and endothelin B (ET-B) receptors was determined by Western blot analysis. RESULTS: Our results showed that MOTS-c treatment significantly attenuated VC. Furthermore, we found that the level of phosphorylated AMPK was increased and the expression levels of the AT-1 and ET-B receptors were decreased after MOTS-c treatment. CONCLUSIONS: Our findings provide evidence that MOTS-c may act as an inhibitor of VC by activating the AMPK signaling pathway and suppressing the expression of the AT-1 and ET-B receptors.

7.
Int J Psychol ; 2019 Nov 06.
Artigo em Inglês | MEDLINE | ID: mdl-31696515

RESUMO

Findings on the effect of power on corruption are mixed. To make sense of these mixed results, three studies were conducted to examine the moderating role of status on this effect. In Study 1, corrupt intent was measured using a corruption scenario that contained manipulations of power and status. In Study 2, corrupt behaviour was measured in a corruption game that contained manipulations of power and status. Study 3 was conducted in real organisational settings, and aimed to expand the external validity of Studies 1 and 2. The results of all three studies consistently indicated that the effect of power was moderated by status. Specifically, power increased corruption when status was low, whereas this effect disappeared when status was high. The implications of reducing the facilitating effect of power on corruption by considering status from the perspective of social hierarchy are discussed.

8.
Artigo em Inglês | MEDLINE | ID: mdl-31701195

RESUMO

Imatinib resistance remains the biggest hurdle for the treatment of chronic myeloid leukemia (CML), with the underlying mechanisms not fully understood. In this study, we found that miR328 significantly and strikingly decreased among other miRNA candidates during the induction of imatinib resistance. Overexpression of miR328 sensitized resistant cells to imatinib via post-transcriptionally decreasing ABCG2 expression, while miR328 knockdown conferred imatinib resistance in parental K562 cells. Moreover, miR328 was found selectively degraded in the lysosomes of K562R cells, as inhibition of lysosome with chloroquine restored miR328 expression and increased sensitivity to imatinib. Moreover, delivery of alkalized exosomes increased endogenous miR328 expression. Compared with the corresponding controls, the alkalized exosomes with or without miR328 sensitized the chronic leukemia cells to imatinib. Taken together, our study has revealed that lysosomal clearance of miR328 in imatinib-resistant cells at least partially contributes to the drug resistance, while delivery of alkalized exosomes would sensitize the chromic leukemia cells to imatinib.

9.
Protein Cell ; 2019 Nov 07.
Artigo em Inglês | MEDLINE | ID: mdl-31701394

RESUMO

In recent years, many studies have shown that histone methylation plays an important role in maintaining the active and silent state of gene expression in human diseases. The Jumonji domain-containing protein D3 (JMJD3), specifically demethylate di- and trimethyl-lysine 27 on histone H3 (H3K27me2/3), has been widely studied in immune diseases, infectious diseases, cancer, developmental diseases, and aging related diseases. We will focus on the recent advances of JMJD3 function in human diseases, and looks ahead to the future of JMJD3 gene research in this review.

10.
Curr Mol Med ; 2019 Nov 05.
Artigo em Inglês | MEDLINE | ID: mdl-31702499

RESUMO

AIMS: To confirm the effects of hydrogen-rich water on apoptosis via the PI3K/AKT signaling pathway in rats with myocardial ischemia-reperfusion injury (MIRI). BACKGROUND: 5 signaling pathways involved in the effect of hydrogen-rich water on myocardial ischemia reperfusion injury (MIRI) were analyzed. OBJECTIVE: The effects of hydrogen-rich water on apoptosis via the PI3K/AKT signaling pathway were studied in rats with myocardial ischemia-reperfusion injury (MIRI). METHOD: Sixty rats were divided randomly into a hydrogen-rich water group and control group. The hearts were removed and were fixed in a Langendorff device. The control group was perfused with K-R solution, and the hydrogen-rich water group was perfused with K-R solution + hydrogen-rich water. The two groups were then divided randomly into pre-ischemic period, ischemic period and reperfusion period groups, 10 rats per group, which were subjected to reverse perfusion for 10 min, normal treatment for 20 min, and reperfusion for 20 min, respectively. The mRNA and protein expression levels of PI3K, AKT, p-AKT, FoxO1, Bim and Caspase-3 in each group were detected by RT-qPCR, immunohistochemistry (IHC) and Western blotting. RESULT: The PI3K/AKT signaling pathway was significantly activated, while FoxO1, Bim, and Caspase-3 mRNA and protein levels were significantly decreased in the hydrogen-rich water group compared with those in the pre-ischemic and ischemic phase groups. PI3K, AKT and p-AKT mRNA and protein expression levels were increased, while the FoxO1, Bim and Caspase-3 expression levels were significantly decreased in the hydrogen-water group compared with those in the control group in the ischemia-reperfusion phase (P<0.05). CONCLUSION: Hydrogen-rich water can activate the PI3K/AKT signaling pathway, alleviate ischemia-reperfusion injury in isolated rat hearts, and inhibit cardiomyocyte apoptosis.

11.
Medicine (Baltimore) ; 98(45): e17843, 2019 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-31702640

RESUMO

BACKGROUND: Acupuncture therapy is frequently used to treat Knee Osteoarthritis (KOA) in clinic, and usually used local acupoints near the diseased knees as therapeutic targets. Some local acupoints appeared sensitization phenomenon which was called sensitized acupoints, which were regarded as important therapeutic targets to get better therapeutic effect on clinic. Therefore, it is necessary to explore the biological basis of acupoint sensitization. Meanwhile, there is a lack of an analysis of the metabolism for sensitized acupoints in KOA patients. Considering that acupuncture effect could be multi-targeted, omics (such as metabolomics) may be a useful method to reveal the relationship between sensitized acupoints and clinical efficacy of acupuncture. METHODS AND ANALYSIS: This study is a parallel design trial. Thirty KOA patients and 30 healthy volunteers will be recruited in this study. Mechanical pain threshold will be measured by Electron Von frey in order to confirm the highest sensitized acupoints. Then collect tissue fluid from the highest sensitized acupoints by micro dialysis technical, then apply electro-acupuncture method on the highest sensitized acupoints to treat KOA patients, after 20 sessions treatments, measure and collect again. Liquid chromatography-tandem mass spectrometry method will be used to analyze the metabonomics of dialysate. RESULTS: This study will provide a high-quality evidence to reveal the local molecular mechanism of acupuncture sensitized acupoints for patient with KOA. CONCLUSION: This study will provide up-date evidence of whether acupuncture sensitized acupoints have local molecular mechanism for KOA. TRIAL REGISTRATION NUMBER: NCT03599180 (24 Jul. 2018).

12.
Opt Express ; 27(19): 26738-26748, 2019 Sep 16.
Artigo em Inglês | MEDLINE | ID: mdl-31674549

RESUMO

When employing the light field method with standard lens array and the holographic functional screen (HFS) to realize the tabletop three-dimensional (3D) display, the viewing area of the reconstructed 3D images is right above the screen. As the observers sit around the table, the generated viewpoints in the middle of the viewing area are wasteful. Here, a 360-degree viewable light-field display system is demonstrated, which can present 3D images to multiple viewers in ring-shaped viewing range. The proposed display system consists of the HFS, the aspheric conical lens array, a 27-inch LCD with the resolution of 3840×2160, the LEDs array and the Fresnel lens array. By designing the aspheric conical lens, the light rays emitting from the elemental images forms the viewpoints in a ring-type arrangement. And the corresponding coding method is given. Compared with the light field display with standard lens array, the viewpoint density is increased and the aliasing phenomenon is reduced. In the experiment, the tabletop light-field display based on aspheric conical lens array can present high quality 360-degree viewable 3D image with the right perception and occlusion.

13.
Phys Chem Chem Phys ; 2019 Nov 01.
Artigo em Inglês | MEDLINE | ID: mdl-31674604

RESUMO

The TiO2-Pt-water interface is of great relevance in photocatalysis where Pt is widely used as a co-catalyst for enhancing hydrogen evolution in aqueous TiO2. Using ab initio molecular dynamics, we investigated this interface focusing on Pt single atoms supported on anatase TiO2(101) in a water environment. Based on recent experiments showing a broad distribution of Pt coordination sites in TiO2, we examined six distinct single-Pt supported species with different nominal Pt oxidation states, namely: Pt, PtOH, and PtO2 species adsorbed on the stoichiometric surface; Pt adsorbed at a surface oxygen vacancy (Ov); and Pt substituting a surface Ti cation (PtTi), both without and with an accompanying Ov (PtTi + Ov). As found for the pristine anatase surface, interfacial water remained intact in the presence of a nearly neutral Pt adatom within the time duration of our simulations (∼15 ps). Similarly, no (or only temporary) water dissociation was observed at the PtTi + Ov and PtO2 interfaces, due to the formation of very stable planar Pt coordination structures that interact only weakly with water. In contrast, water dissociated with OH- (H+) on the Pt atom when this substituted a surface Ti (oxygen) ion as well as on PtOH. The significant proton affinity of Pt atoms at surface oxygen vacancies suggests that negatively charged Pt species are particularly efficient at catalyzing hydrogen evolution in aqueous TiO2.

14.
Mol Oncol ; 2019 Oct 31.
Artigo em Inglês | MEDLINE | ID: mdl-31670863

RESUMO

Hepatocellular carcinoma (HCC), with its ineffective therapeutic options and poor prognosis, represents a global threat. In the present study, we show that RAD52 motif 1 (RDM1), a key regulator of DNA double-strand break repair and recombination, is downregulated in HCC tissues and suppresses tumor growth. In clinical HCC samples, low expression of RDM1 correlates with larger tumor size, poor tumor differentiation and unfavorable survival. In vitro and in vivo data demonstrate that knockdown of RDM1 increases HCC cell proliferation, colony formation and cell population at G2/M phase, whereas RDM1 overexpression results in the opposite phenotypes. Mechanistically, RDM1 binds to the tumor suppressor p53 and enhances its protein stability. In the presence of p53, RDM1 suppresses the phosphorylation of Raf and ERK. Overexpression of p53 or treatment with ERK inhibitor significantly abolishes cell proliferation induced by the depletion of RDM1. In addition, overexpression of methyltransferase-like 3 (METTL3) markedly induces N6-methyladenosine (m6 A) modification of RDM1 mRNA and represses its expression. Taken together, our study indicates that RDM1 functions as a tumor suppressor and may be a potential prognostic and therapeutic factor for HCC.

15.
Microb Pathog ; : 103823, 2019 Oct 29.
Artigo em Inglês | MEDLINE | ID: mdl-31676365

RESUMO

BACKGROUND: Associations between polymorphisms in interleukin-6 (IL-6)/interleukin-18 (IL-18) and tuberculosis (TB) were already reported by many publications. The aim of this meta-analysis was to better clarify associations between polymorphisms in IL-6/IL-18 and TB by combing the results of all relevant publications. METHODS: Eligible publications were searched from Pubmed, Embase, WOS and CNKI. We used Review Manager to combine the results of individual studies. RESULTS: Twenty-five studies were included in this study. IL-6 rs1800795 (dominant comparison: OR 1.43, 95% CI 1.23-1.67; recessive comparison: OR 0.48, 95% CI 0.35-0.65; allele comparison: OR 1.43, 95% CI 1.27-1.62), IL-18 rs1946518 (dominant comparison: OR 1.19, 95% CI 1.04-1.35; recessive comparison: OR 0.82, 95% CI 0.71-0.96; allele comparison: OR 1.14, 95% CI 1.05-1.24) and IL-18 rs187238 (dominant comparison: OR 1.35, 95% CI 1.15-1.58; allele comparison: OR 1.31, 95% CI 1.14-1.50) polymorphisms were all significantly associated with TB in the total population. Subgroup analyses showed that positive findings for rs1946518, rs187238 and rs1800795 polymorphisms were mainly driven by the Asians. CONCLUSIONS: Collectively, this meta-analysis proved that IL-6 rs1800795, IL-18 rs1946518 and IL-18 rs187238 polymorphisms may confer susceptibility to TB, especially for Asians.

16.
Artigo em Inglês | MEDLINE | ID: mdl-31676431

RESUMO

Trionyx sinensis Hemorrhagic Syndrome Virus (TSHSV) is the firstly discovered aquatic arterivirus inducing high mortality of Trionyx sinensis. So far, the lack of genomic resources has hindered further research on revealing the immunological characteristics of T. sinensis in response to TSHSV. In the present study, we performed a transcriptome analysis from the lungs of T. sinensis challenged by TSHSV using Illumina-based RNA-Seq. The validity of transcriptomic data was confirmed with the gradual increase of TSHSV RNA copies detected in lung. A total of 103079339 clean reads were generated, and 58374764 unique mapped reads were analyzed. Assembly of the sequence data allowed identifying 16383 unigenes consisting of 36 significant differentially expressed genes (DEGs). These DEGs were categorized into 30 GO-enriched bioprocesses and 9 KEGG pathways. The combinational analysis of GO-enriched bioprocesses and KEGG pathways demonstrated that TSHSV modulated several immune genes of T. sinensis related to various biological processes, including virus recognition (RIG-I/MDA-5), immune initiation (IFIT-1 and IFIT-5), endocytosis (CUBN, ENPP2 and LRP2) and steroid metabolism (FCNIL and STAR). In summary, the finding of this study revealed several immune pathways and candidated genes involved in the immune response of T. sinensis against TSHSV-infection. These results will provide helpful information to investigate molecular mechanism of T. sinensis in response to TSHSV.

17.
Plant Biol (Stuttg) ; 2019 Nov 02.
Artigo em Inglês | MEDLINE | ID: mdl-31677322

RESUMO

The fast growth of mulberry depends on high water consumption, but considerable variations in drought tolerance exist across different cultivars. Physiological and anatomical mechanisms are important to plant survival under drought. However, few fundamental research efforts have been made to reveal the relationships of these two aspects in relation to mulberry potential drought tolerance. In this study, growth rates, leaf functional physiology and anatomical characteristics of leaf and xylem on one-year-old saplings of seven mulberry cultivars at a common garden were compared. Their relationships were also explored. Growth, leaf physiology and anatomy were significantly different among the tested cultivars. Foliar stable carbon isotope composition (δ13 C) was negatively correlated with growth rates, and closely related to several leaf and xylem anatomical traits. Particularly, leaf thickness, predicted hydraulic conductivity and vessel element length jointly contributed 77% of the variability in δ13 C. Cultivar Wupu had small stomata, intermediate leaf thickness, the smallest hydraulically weighted vessel diameter and highest vessel number, and higher δ13 C; Yunguo1 had high abaxial stomatal density, low specific leaf area (SLA), moderate hydraulic conductivity and δ13 C. These are beneficial features to reduce leaf water loss and drought-induced xylem embolism in arid areas. Conversely, cultivar Liaolu11 had contrasting physiological and anatomical traits compared with the latter two cultivars, suggesting that it might be sensitive to drought. Our findings indicate that growth and δ13 C are closely associated with both leaf and xylem anatomical characteristics in mulberry, which provides fundamental information to assist evaluation of drought tolerant mulberry cultivars and other woody trees.

18.
Nat Commun ; 10(1): 4936, 2019 Oct 30.
Artigo em Inglês | MEDLINE | ID: mdl-31666505

RESUMO

Single atom catalysts exhibit particularly high catalytic activities in contrast to regular nanomaterial-based catalysts. Until recently, research has been mostly focused on single atom catalysts, and it remains a great challenge to synthesize bimetallic dimer structures. Herein, we successfully prepare high-quality one-to-one A-B bimetallic dimer structures (Pt-Ru dimers) through an atomic layer deposition (ALD) process. The Pt-Ru dimers show much higher hydrogen evolution activity (more than 50 times) and excellent stability compared to commercial Pt/C catalysts. X-ray absorption spectroscopy indicates that the Pt-Ru dimers structure model contains one Pt-Ru bonding configuration. First principle calculations reveal that the Pt-Ru dimer generates a synergy effect by modulating the electronic structure, which results in the enhanced hydrogen evolution activity. This work paves the way for the rational design of bimetallic dimers with good activity and stability, which have a great potential to be applied in various catalytic reactions.

19.
Artigo em Inglês | MEDLINE | ID: mdl-31678194

RESUMO

Heparin is a naturally occurring glycosaminoglycan isolated from animal tissues and is medically used as an anticoagulant drug. Adulteration attempts of isolated heparin with chondroitin sulfate in the past resulted in great safety concerns. Also, increasing demands on batch-to-batch homogeneity for better evaluation and control of its pharmacodynamic and pharmacokinetic properties kindled the development of synthetic routes for the production of heparin and its derivatives. The discovery of enzymes involved in glycosaminoglycan biosynthesis and their application in chemoenzymatic synthesis makes it feasible to generate low molecular weight heparins (LMWHs) and ultra-low molecular weight heparins (ULMWHs). Understanding the scope and limitations of these enzymes currently used in the production of synthetic heparins will help to achieve more defined heparins with controlled medicative properties. Here, we summarized the recent advances in the chemoenzymatic synthesis of LMW/ULMW heparins.

20.
Clin Biochem ; 2019 Nov 11.
Artigo em Inglês | MEDLINE | ID: mdl-31669513

RESUMO

OBJECTIVES: Multiple myeloma (MM) is characterized by malignant growth of plasma cells, usually producing a monoclonal antibody (mAb). New treatments for MM include therapeutic monoclonal antibodies (tmAbs), but patients treated with tmAb demonstrate interference on serum electrophoresis (SPE) and immunoprecipitation electrophoresis (IEP). Evaluation of treatment efficacy and determination of MM remission include SPE and IEP which identifies mAb, but cannot differentiate between disease associated mAb and tmAb. We hypothesized that tmAb could be removed from patient sera before testing by SPE and IEP to provide accurate diagnoses for clinicians. DESIGN AND METHODS: We developed the Antigen Specific therapeutic monoclonal Antibody Depletion Assay (ASADA), that utilizes magnetic beads coated with the cognate antigen of the tmAbs, to deplete two different tmAb (daratumumab, elotuzumab) from saline and patient sera and assessed for complete removal of tmAb by SPE and IEP. RESULTS: We found that tmAb could be efficiently removed from saline and patient sera. ASADA demonstrated acceptable analytical specificity and sensitivity in IEP. Recovery of appropriate quantitative values by SPE was demonstrated with clinically acceptable precision. A single bead cocktail could be used to treat both daratumumab and elotuzumab. CONCLUSIONS: This demonstrates proof of principle that ASADA can be used to remove current and future tmAb from patient sera, regardless of platform. This research provides for accurate diagnosis, disease monitoring, and remission status in MM patients being treated with tmAb.

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