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Cai YN, Ma YL, Luo HB, Xiao MY, Niu J, Song LJ, Li XH, Fu LR, Zhang ZY, Dai QH, Zhang YL, Jia MH. [Knowledge, related behavior and on AIDS/HIV infection among rural adults with Derung minority, in Yunnan province, 2016]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2018; 39:483-486. [PMID: 29699042 DOI: 10.3760/cma.j.issn.0254-6450.2018.04.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To understand the related risk behaviors, knowledge and status of HIV/AIDS infection among rural adults of Derung minority, to provide relevant messages for the development of HIV/AIDS intervention strategy in this minority group. Methods: We used system sampling method to conduct a cross-sectional survey in 6 administration villages of Derung Township, Gongshan Derung and Nu Autonomous County in Nujiang Lisu Autonomous Prefecture of Yunnan Province, with a sample size estimated as 383. Adult residents with Derung minority in six villages of Gongshan County were involved, with relevant information collected through door-to-door visit. HIV antibody was tested and SPSS 17.0 was used for statistical analysis. Results: Information on 394 valid respondents was collected, with age as between 18 and 65 (34.39±9.74), 80.7% (318/394) as married, 54.0% (213/394) having had primary school education, 13.2% (52/394) as migrant workers. In this population, the overall HIV infection rate appeared as 0.5% (2/400), mainly through sexually transmission. The rate of awareness on HIV/AIDS was 69.8% (275/394), mainly through free publicized materials 50.0% (197/394). Rates on premarital sexual behavior on multiple sexual partners in the past year, on temporary sexual partners in the past year, having commercial sexual experiences in the past year and ever used condoms when engaging in casual sex, were 6.4% (60/366), 18.0%(66/366), 5.7%(21/366), 1.9%(7/366) and 8.0%(25/311), respectively. Conclusions: Few numbers of HIV infections were identified among the migrating workers with Derung minority, with sexual transmission as the major route, along with the increased number of rural migrant workers and the low rates both on AIDS knowledge and condom use, accompanied by the high risk sexual behavior appeared in this rural adult residents of Derung minority. Relative strategies on HIV/AIDS intervention and control should be developed.
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Fu K, Duan G, Liu C, Niu J, Wang F. Changes in femoral trochlear morphology following surgical correction of recurrent patellar dislocation associated with trochlear dysplasia in children. Bone Joint J 2018; 100-B:811-821. [PMID: 29855234 DOI: 10.1302/0301-620x.100b6.bjj-2017-1295.r1] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Aims The aim of this study was to investigate the changes in femoral trochlear morphology following surgical correction of recurrent patellar dislocation associated with trochlear dysplasia in children. Patients and Methods A total of 23 patients with a mean age of 9.6 years (7 to 11) were included All had bilateral recurrent patellar dislocation associated with femoral trochlear dysplasia. The knee with traumatic dislocation at the time of presentation or that had dislocated most frequently was treated with medial patellar retinacular plasty (Group S). The contralateral knee served as a control and was treated conservatively (Group C). All patients were treated between October 2008 and August 2013. The mean follow-up was 48.7 months (43 to 56). Axial CT scans were undertaken in all patients to assess the trochlear morphological characteristics on a particular axial image which was established at the point with the greatest epicondylar width based on measurements preoperatively and at the final follow-up. Results Preoperatively, there were no statistically significant differences between the trochlear morphology in the two groups (sulcus angle, p 0.852; trochlear groove depth, p 0.885; lateral trochlear inclination, p 0.676; lateral-to-medial facet ratio, p 0.468; lateral condylar height, p 0.899; medial condylar height, p 0.816). Many radiological parameters of trochlear morphology were significantly different between the two groups at the final follow-up, including well-known parameters, such as the mean sulcus angle (Group S, 146.27° (sd 7.18); Group C, 160.61° (sd 9.29); p < 0.001), the mean trochlear groove depth (Group S, 6.25 mm (sd 0.41); Group C, 3.48 mm (sd 0.65); p < 0.001) and the mean lateral trochlear inclination (Group S, 20.99° (sd 3.87); Group C, 12.18° (sd 1.85); p < 0.001). Lesser known parameters such as the ratio of the lateral to medial trochlear length (Group S, 1.46 (sd 0.19); Group C, 2.14 (sd 0.42); p < 0.001), which is a measurement of facet asymmetry, and the lateral and medial condylar height were also significantly different between the two groups (p < 0.001). Conclusion The femoral trochlear morphology can be improved by early (before epiphyseal closure) surgical correction in children with recurrent patellar dislocation associated with femoral trochlear dysplasia. Cite this article: Bone Joint J 2018;100-B:811–21.
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He Y, Yan Y, Ke L, Hu X, Wu S, Niu J, Li H, Xu H, Luo H, Cao L, Chen W, Ji C, Sun Y, Wang G, Xu T, Hu B. A randomized clinical trial of apatinib on an intermittent versus continuous dosing schedule in combination with docetaxel for advanced gastric cancer in second-line setting - Trial in progress. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy151.094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Ma T, Li J, Niu J, Zhang L, Etman AS, Lin C, Shi D, Chen P, Li LH, Du X, Sun J, Wang W. Observation of Interpenetration Isomerism in Covalent Organic Frameworks. J Am Chem Soc 2018; 140:6763-6766. [DOI: 10.1021/jacs.8b03169] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Kaminker R, Kaminker I, Gutekunst WR, Luo Y, Lee S, Niu J, Han S, Hawker CJ. Tuning conformation and properties of peptidomimetic backbones through dual N/C α-substitution. Chem Commun (Camb) 2018; 54:5237-5240. [PMID: 29726557 PMCID: PMC6089238 DOI: 10.1039/c8cc01356j] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
We demonstrate that changing the backbone between peptides, peptoids and the underexplored dual N/Cα-substituted peptoids analogues allows for control over the preferred conformation of the intrinsically disordered biomimetic oligomers. The conformation tunability is directly probed using electron paramagnetic resonance (EPR), and is shown to manifest itself in differences in the nanoparticle-oligomer hybridization propensity.
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Pal A, Shenoy S, Gautam A, Munjal S, Niu J, Gopalakrishnan M, Gobburru J. Pharmacokinetics of DFN-15, a Novel Oral Solution of Celecoxib, Versus Celecoxib 400-mg Capsules: A Randomized Crossover Study in Fasting Healthy Volunteers. Clin Drug Investig 2018; 37:937-946. [PMID: 28748412 PMCID: PMC5602059 DOI: 10.1007/s40261-017-0548-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Background COX-2 inhibitors can be effective for acute migraine, but none is supplied in a rapidly absorbed, ready-to-use oral liquid formulation. DFN-15, a novel oral liquid formulation of celecoxib, is being developed for the acute treatment of migraine with or without aura. Clinical studies with this formulation are ongoing. Objectives The objectives of the present study were to compare the bioavailability of DFN-15 with that of the commercial formulation of celecoxib 400-mg oral capsules (Celebrex®) and to determine the dose proportionality of DFN-15 in healthy fasted volunteers. Methods This single-dose randomized crossover study in 16 healthy fasted volunteers evaluated the pharmacokinetics and relative bioavailability of DFN-15 at doses of 120, 180, and 240 mg against the commercial formulation of celecoxib 400-mg oral capsules and determined the dose proportionality of DFN-15. Results The maximum observed plasma concentrations (Cmax) of celecoxib after the administration of DFN-15 120, 180, and 240 mg (1062–1933 ng/ml) were higher than for the 400-mg oral capsules (611 ng/ml). The median time to peak concentration (Tmax) was within 1 h for DFN-15 and 2.5 h for the oral capsules. The pharmacokinetics of DFN-15 were dose proportional from 120 to 240 mg. Partial area under the plasma concentration–time curves (AUCs) from 15 min to 2 h for DFN-15 120 mg were at least threefold higher than for the oral capsules, and the relative bioavailability of DFN-15 was approximately 140% that of the oral capsules. DFN-15 was well tolerated, with no new or unexpected adverse events. Conclusions Based on a faster rate of absorption and increased bioavailability, DFN-15 is being evaluated as an abortive medication for acute treatment in patients with migraine.
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Niu J, Zhang S, Liu S, Ma H, Chen J, Shen Q, Ge C, Zhang X, Pang C, Zhao X. The compensation effects of physiology and yield in cotton after drought stress. JOURNAL OF PLANT PHYSIOLOGY 2018; 224-225:30-48. [PMID: 29597066 DOI: 10.1016/j.jplph.2018.03.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 03/02/2018] [Accepted: 03/02/2018] [Indexed: 06/08/2023]
Abstract
The objective of this study was to investigate the root growth compensatory effects and cotton yield under drought stress. The results indicate that the root dry weight, boll weight, and cotton yield increased in both the drought-resistant cultivar (CCRI-45) and the drought-sensitive cultivar (CCRI-60). Compensation effects were exhibited under the three-day drought stress treatment at a soil relative water content (SRWC) of 60% and 45% during the seedling stage, and flowering and boll-forming stage over two years. The yield of the drought-resistant cultivar (CCRI-45) was higher than the control, however, following the six-day 45% SRWC drought treatments, the yield of the drought-sensitive cultivar (CCRI-60) was lower than the control. The soluble sugar content, proline content, superoxide dismutase (SOD) activity, and peroxidase (POD) activity of the roots increased under drought stress and then decreased after re-watering, although the values remained higher than those of the controls for a short period. These physiological measures may represent stress reactions and thus may not indicate factors that result in compensation effects. However, catalase (CAT) activity and gibberellic acid (GA) content of the roots decreased under drought stress. After re-watering, the CAT activity and the GA content increased and were significantly higher than those of the controls under the six-day 60% SRWC and 45% SRWC drought treatments. The abscisic acid (ABA) content of the roots increased under drought stress. After re-watering, the ABA content decreased to a lower level under the three and six-day 60% SRWC and 45% SRWC drought treatments than in the controls. According to an analysis of various indicators, the interaction between ABA and GA signals may play an important role in root growth compensatory effects. In summary, the results demonstrate that moderate drought stress is beneficial to root growth and yield. This conclusion is of great significance to improving our understanding of the maximum utilization of limited water resources.
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Niu J, Zhai Z, Hao F, Zhang Y, Song Z, Zhong H. Dissection of a circulating CD3 + CD20 + T cell subpopulation in patients with psoriasis. Clin Exp Immunol 2018; 192:206-212. [PMID: 29377068 DOI: 10.1111/cei.13106] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/17/2018] [Indexed: 12/26/2022] Open
Abstract
CD3+ CD20+ T cells are a population of CD3+ T cells that express CD20 and identified in healthy donors and autoimmune diseases. However, the nature and role of these cells in patients with psoriasis remain unclear. In this study, we aimed to investigate the level, phenotype, functional and clinical relevance of CD3+ CD20+ T cells in the peripheral blood of patients with psoriasis. We found that a small subset of CD3+ T cells expressed CD20 molecule in the peripheral blood of patients with psoriasis, and their levels were similar to those in healthy donors. Circulating CD3+ CD20+ T cells in patients with psoriasis were enriched in CD4+ cells and displayed an activated effector phenotype, as these cells contained fewer CD45RA+ -naive and CCR7+ cells with increased activity than those of CD3+ T cells lacking CD20. In addition, compared with healthy donors, circulating CD3+ CD20+ T cells in patients with psoriasis produced more cytokines, interleukin (IL)-17A, tumour necrosis factor (TNF)-α and IL-21, but not IL-4 and IFN-γ. Furthermore, a significantly positive correlation was found between the levels of IL-17A, TNF-α and IL-21-production CD3+ CD20+ T cells with Psoriasis Area and Severity Index scores. Our findings suggest that CD3+ CD20+ T cells may play a role in the pathogenesis of psoriasis.
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Liang X, Xie Q, Tan D, Ning Q, Niu J, Bai X, Chen S, Cheng J, Yu Y, Wang H, Xu M, Shi G, Wan M, Chen X, Tang H, Sheng J, Dou X, Shi J, Ren H, Wang M, Zhang H, Gao Z, Chen C, Ma H, Chen Y, Fan R, Sun J, Jia J, Hou J. Interpretation of liver stiffness measurement-based approach for the monitoring of hepatitis B patients with antiviral therapy: A 2-year prospective study. J Viral Hepat 2018; 25:296-305. [PMID: 29080299 DOI: 10.1111/jvh.12814] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 09/25/2017] [Indexed: 02/05/2023]
Abstract
Liver biopsy is not routinely performed in treated chronic hepatitis B. Liver stiffness measurement has been validated for noninvasive liver fibrosis assessment in pretreatment chronic hepatitis B but has not been assessed for fibrosis monitoring during antiviral therapy. Liver stiffness was systemically monitored by Fibroscan® every 6 months in a cohort of patients with hepatitis B receiving antiviral therapy and compared with liver biopsies at baseline and week 104. A total of 534 hepatitis B e antigen-positive treatment-naive patients receiving telbivudine-based therapy with qualified liver stiffness measurement at baseline and week 104 were analyzed, 164 of which had adequate paired liver biopsies. Liver stiffness decreased rapidly (-2.2 kPa/24 weeks) in parallel with alanine aminotransferase (ALT) from 8.6 (2.6-49.5) kPa at baseline to 6.1 (2.2-37.4) kPa at week 24. Interestingly, liver stiffness decreased slowly (-0.3 kPa/24 weeks) but continually from week 24 to week 104 (6.1 vs 5.3 kPa, P < .001) while ALT levels remained stable within the normal range. More importantly, liver stiffness declined significantly irrespective of baseline ALT levels and liver necroinflammation grades. From baseline to week 104, the proportion of patients with no or mild fibrosis (Ishak, 0-2) increased from 74.4% (122/164) to 93.9% (154/164). Multivariate analysis revealed that percentage decline of 52-week liver stiffness from baseline was independently associated with 104-week liver fibrosis regression (odds ratio, 3.742; P = .016). Early decline of 52-week liver stiffness from baseline may reflect the remission of both liver inflammation and fibrosis and was predictive of 104-week fibrosis regression in treated patients with chronic hepatitis B.
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Guermazi A, Kalsi G, Niu J, Crema MD, Copeland RO, Orlando A, Noh MJ, Roemer FW. Structural effects of intra-articular TGF-β1 in moderate to advanced knee osteoarthritis: MRI-based assessment in a randomized controlled trial. BMC Musculoskelet Disord 2017; 18:461. [PMID: 29145839 PMCID: PMC5689208 DOI: 10.1186/s12891-017-1830-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Accepted: 11/10/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND To determine effects of allogeneic human chondrocytes expressing TGF-β1 (TG-C) on structural progression of MRI features of knee osteoarthritis over a 1 year period. METHODS This phase II randomized controlled trial of TG-C included patients with moderate to advanced osteoarthritis. Patients were randomized to receive an intraarticular 3:1 mixture of non-transduced allogeneic human chondrocytes and TG-C or placebo. 3 T MRI was acquired for all patients at baseline and follow-up (3, 6 and 12 months). MRIs were assessed using the WORMS system including cartilage damage, bone marrow lesions (BMLs), meniscal damage/extrusion, Hoffa-, effusion-synovitis, and osteophytes. Analyses were performed on a whole knee level, compartmental level, and subregional level. Binary logistic regression with Generalized Estimating Equation was used to compare risks of progression, adjusting for baseline age and gender. Mann - Whitney - Wilcoxon tests were used to assess differences for continuous variables. RESULTS Fifty-seven Patients were included in the TG-C group and 29 in the placebo group. At 12 months, knees in the TG-C group showed less progression of cartilage damage compared to placebo on a whole knee level (34.6% vs. 47.9%; adjusted RR 0.7, 95%CI [0.5-1.1], p = 0.077). Less progression of Hoffa-synovitis and effusion-synovitis was observed in the TG-C group compared to placebo (9.6% vs. 21.1%, adjusted RR 0.5, 95%CI [0.2,1.2], p = 0.115). No statistically significant differences were seen for BMLs, meniscal damage and osteophytes. CONCLUSIONS Intraarticular treatment with TG-C showed fewer patients in the treated group with progression in structural OA features and other MRI-defined inflammatory markers such as Hoffa-synovitis and effusion-synovitis. However, no differences were observed in regard to progression of BMLs and meniscal damage, or hypertrophic osteophyte formation. TRIAL REGISTRATION NCT01221441 .Registered 13th October, 2010.
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Zhang YT, Niu J, Wang Z, Liu S, Wu J, Yu B. Repair of Osteochondral Defects in a Rabbit Model Using Bilayer Poly(Lactide-co-Glycolide) Scaffolds Loaded with Autologous Platelet-Rich Plasma. Med Sci Monit 2017; 23:5189-5201. [PMID: 29088126 PMCID: PMC5676501 DOI: 10.12659/msm.904082] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 05/08/2017] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND To examine the effects of the addition of autologous platelet-rich plasma (PRP) into bilayer poly(lactide-co-glycolide) (PLGA) scaffolds on the reconstruction of osteochondral defects in a rabbit model. MATERIAL AND METHODS Porous PLGA scaffolds were prepared in a bilayered manner to reflect the structure of chondral and subchondral bone. Bone defects, measuring 4 mm in diameter and 4 mm in thickness, were created in both knee joints in 18 healthy New Zealand white rabbits, aged between 120-180 days old. Rabbits were randomly divided into three groups: rabbits with bone defects implanted with bilayer PLGA scaffolds (PLGA group) (N=6); or with bilayer PLGA and autologous PRP (PLGA/PRP group) (N=6); and the untreated group (control group) (N=6). The gross morphology, histology, and immunohistochemistry for the expression of collagen type II and aggrecan were observed at 12 weeks after surgery and compared using a scoring system. Micro-computed tomography (CT) imaging and relative expression of specific genes were also assessed. RESULTS The platelet concentrations in the PRP samples were found to be 4.9 times greater than that of whole blood samples. The total score on gross appearance and histology was greatest in the PLGA/PRP group, as was the expression of collagen II and aggrecan of the neo-tissue. Micro-CT imaging showed that more subchondral bone was formed in the PLGA/PRP group. CONCLUSIONS Bilayer PLGA scaffolds loaded with autologous PRP improve the reconstruction of osteochondral defects in the rabbit model.
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Coronado AC, Tran K, Chadder J, Niu J, Fung S, Louzado C, Rahal R. The experience of patients with cancer during diagnosis and treatment planning: a descriptive study of Canadian survey results. ACTA ACUST UNITED AC 2017; 24:332-337. [PMID: 29089801 DOI: 10.3747/co.24.3782] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Communication with health care providers during diagnosis and treatment planning is of special importance because it can influence a patient's emotional state, attitude, and decisions about their care. Qualitative evidence suggests that some patients experience poor communication with health care providers and have negative experiences when receiving their cancer diagnosis. Here, we use survey data from 8 provinces to present findings about the experiences of Canadian patients, specifically with respect to patient-provider communication, during the diagnosis and treatment planning phases of their cancer care. METHODS Data from the Ambulatory Oncology Patient Satisfaction Survey, representing 17,809 survey respondents, were obtained for the study. RESULTS Most respondents (92%) felt that their care provider told them of their cancer diagnosis in a sensitive manner. Most respondents (95%) also felt that they were provided with enough information about their planned cancer treatment. In contrast, more than half the respondents who had emotional concerns upon diagnosis (56%) were not referred to services that could help with their anxieties and fears. Also, 18% of respondents reported that they were not given the opportunity to discuss treatment options with a care provider, and 17% reported that their care providers did not consider their travel concerns while planning for treatment. CONCLUSIONS Measuring the patient experience allows for an understanding of how well the cancer control system is addressing the physical, emotional, and practical needs of patients during diagnosis and treatment planning. Although results suggest high levels of patient satisfaction with some aspects of care, quality improvement efforts are still needed to provide person-centred care.
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Crema MD, Felson DT, Guermazi A, Nevitt MC, Niu J, Lynch JA, Marra MD, Torner J, Lewis CE, Roemer FW. Is the atrophic phenotype of tibiofemoral osteoarthritis associated with faster progression of disease? The MOST study. Osteoarthritis Cartilage 2017; 25:1647-1653. [PMID: 28606556 PMCID: PMC5605441 DOI: 10.1016/j.joca.2017.05.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Revised: 03/31/2017] [Accepted: 05/31/2017] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To assess the associations of atrophic tibiofemoral osteoarthritis (OA) with progression of radiographic joint space narrowing (JSN) and magnetic resonance imaging (MRI)-defined progression of cartilage damage. DESIGN Participants of the Multicenter Osteoarthritis (MOST) Study with available radiographic and MRI assessments at baseline and 30 months were included. The atrophic OA phenotype was defined as Osteoarthritis Research Society International (OARSI) grades 1 or 2 for JSN and grade 0 for osteophytes. Based on MRI, atrophic OA was defined as tibiofemoral (TF) cartilage damage grades ≥3 in at least 2 of 10 subregions with absent or tiny osteophytes in all TF subregions. Progression of JSN and cartilage loss on MRI, was defined as (1) no, (2) slow, and (3) fast progression. Co-variance and logistic regression with generalized estimated equations were performed to assess the association of atrophic knee OA with any progression, compared to non-atrophic OA knees. RESULTS A total of 476 knees from 432 participants were included. There were 50 (10.5%) knees with atrophic OA using the radiographic definition, and 16 (3.4%) knees with atrophic OA using MRI definition. Non-atrophic OA knees more commonly exhibited fast progression of JSN and cartilage damage. Logistic regression showed that the atrophic phenotype of knee OA was associated with a decreased likelihood of progression of JSN and cartilage loss. CONCLUSION In this sample, the atrophic phenotype of knee OA was associated with a decreased likelihood of progression of JSN and cartilage loss compared to the non-atrophic knee OA phenotype.
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Nelson D, Rice D, Niu J, Vaporciyan A, Antonoff M, Hofstetter W, Walsh G, Swisher S, Roth J, Giordano S, Mehran R, Sepesi B. F-028PREDICTORS OF TRIMODALITY THERAPY AND TRENDS IN THERAPY FOR MALIGNANT PLEURAL MESOTHELIOMA. Interact Cardiovasc Thorac Surg 2017. [DOI: 10.1093/icvts/ivx280.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Wang Q, Lv Y, Bai M, Wang Z, Liu H, He C, Niu J, Guo W, Luo B, Yin Z, Bai W, Chen H, Wang E, Xia D, Li X, Yuan J, Han N, Cai H, Li T, Xie H, Xia J, Wang J, Zhang H, Wu K, Fan D, Han G. Eight millimetre covered TIPS does not compromise shunt function but reduces hepatic encephalopathy in preventing variceal rebleeding. J Hepatol 2017; 67:508-516. [PMID: 28506905 DOI: 10.1016/j.jhep.2017.05.006] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2017] [Revised: 04/20/2017] [Accepted: 05/03/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Currently, there are no recommendations in guidelines concerning the preferred diameter of stents for transjugular intrahepatic portosystemic shunt (TIPS), owing to the lack of adequate evidence. We therefore compared 8mm stents with 10mm stents, to evaluate whether 8mm stents would achieve similar shunt function, with less hepatic encephalopathy (HE) and better liver function. METHODS Cirrhotic patients were randomly assigned to receive TIPS with an 8mm or 10mm covered stent to prevent variceal rebleeding. The primary endpoint was shunt dysfunction. All-cause rebleeding, orthotopic liver transplantation (OLT)-free survival, their composite endpoint, overt HE (overall and spontaneous) and liver function were designated as the secondary endpoints. RESULTS From July 2012 to January 2014, 64 and 63 patients were allocated to the 8mm and 10mm groups, respectively. During a median follow-up of 27months in both arms, dysfunction rates (16% vs. 16% at two years, p=0.62), two-year rebleeding (16% vs. 17%, p=0.65), OLT-free survival (95% vs. 86%, p=0.37), and the composite endpoint (p=0.62) were not statistically different between the groups. Despite a marginal decrease in overall overt HE, there were significantly fewer spontaneous overt HE incidents in the 8mm group within two years (27% vs. 43%, p=0.03), with a risk reduction of 47%. Notably, patients receiving 8mm stents also developed less hepatic impairment. CONCLUSIONS TIPS with 8mm covered stents showed similar shunt function to TIPS with 10mm stents, but halved the risk of spontaneous overt HE and reduced hepatic impairment. Therefore, 8mm TIPS stents should be preferred for the prevention of variceal rebleeding in cirrhotic patients. Lay summary: The optimal diameter for transjugular intrahepatic portosystemic shunt (TIPS) remained uncertain. This study showed that TIPS with 8mm covered stents did not compromise shunt patency, or influence the efficacy of variceal rebleeding prevention compared to TIPS with 10mm stents, but reduced the risk of spontaneous overt hepatic encephalopathy and the incidence of severe encephalopathy. Moreover, liver function reserve was also better in the 8mm stents group, suggesting that 8mm TIPS stents should be preferred for the prevention of variceal rebleeding in cirrhotic patients.
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Aggarwal R, Mansfield A, Beltran H, Farago A, Hann C, Kaye F, Lewis K, Niu J, Richey S, Smith D, Soares H, Spira A, Taylor M, Waqar S, Lally S, Rossi M, Saunders L, Dylla S, Kavalerchik E, Anthony L. Preliminary safety and efficacy of rovalpituzumab tesirine in patients with delta-like protein 3-expressing advanced solid tumors. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx368.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Wang Q, Lv Y, Bai M, Wang Z, Liu H, He C, Niu J, Guo W, Luo B, Yin Z, Bai W, Chen H, Wang E, Xia D, Li X, Yuan J, Han N, Cai H, Li T, Xie H, Xia J, Wang J, Zhang H, Wu K, Fan D, Han G. Eight millimetre covered TIPS does not compromise shunt function but reduces hepatic encephalopathy in preventing variceal rebleeding. J Hepatol 2017; 67:508-516. [PMID: 28506905 DOI: 10.1016/j.jhep.2017.05.006.pmid28506905] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2017] [Revised: 04/20/2017] [Accepted: 05/03/2017] [Indexed: 05/21/2023]
Abstract
BACKGROUND & AIMS Currently, there are no recommendations in guidelines concerning the preferred diameter of stents for transjugular intrahepatic portosystemic shunt (TIPS), owing to the lack of adequate evidence. We therefore compared 8mm stents with 10mm stents, to evaluate whether 8mm stents would achieve similar shunt function, with less hepatic encephalopathy (HE) and better liver function. METHODS Cirrhotic patients were randomly assigned to receive TIPS with an 8mm or 10mm covered stent to prevent variceal rebleeding. The primary endpoint was shunt dysfunction. All-cause rebleeding, orthotopic liver transplantation (OLT)-free survival, their composite endpoint, overt HE (overall and spontaneous) and liver function were designated as the secondary endpoints. RESULTS From July 2012 to January 2014, 64 and 63 patients were allocated to the 8mm and 10mm groups, respectively. During a median follow-up of 27months in both arms, dysfunction rates (16% vs. 16% at two years, p=0.62), two-year rebleeding (16% vs. 17%, p=0.65), OLT-free survival (95% vs. 86%, p=0.37), and the composite endpoint (p=0.62) were not statistically different between the groups. Despite a marginal decrease in overall overt HE, there were significantly fewer spontaneous overt HE incidents in the 8mm group within two years (27% vs. 43%, p=0.03), with a risk reduction of 47%. Notably, patients receiving 8mm stents also developed less hepatic impairment. CONCLUSIONS TIPS with 8mm covered stents showed similar shunt function to TIPS with 10mm stents, but halved the risk of spontaneous overt HE and reduced hepatic impairment. Therefore, 8mm TIPS stents should be preferred for the prevention of variceal rebleeding in cirrhotic patients. Lay summary: The optimal diameter for transjugular intrahepatic portosystemic shunt (TIPS) remained uncertain. This study showed that TIPS with 8mm covered stents did not compromise shunt patency, or influence the efficacy of variceal rebleeding prevention compared to TIPS with 10mm stents, but reduced the risk of spontaneous overt hepatic encephalopathy and the incidence of severe encephalopathy. Moreover, liver function reserve was also better in the 8mm stents group, suggesting that 8mm TIPS stents should be preferred for the prevention of variceal rebleeding in cirrhotic patients.
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DeCaria K, Dudgeon D, Green E, Shaw Moxam R, Rahal R, Niu J, Bryant H. Acute care hospitalization near the end of life for cancer patients who die in hospital in Canada. ACTA ACUST UNITED AC 2017; 24:256-261. [PMID: 28874894 DOI: 10.3747/co.24.3704] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Acute care hospitals have a role in managing the health care needs of people affected by cancer when they are at the end of life. However, there is a need to provide end-of-life care in other settings, including at home or in hospice, when such settings are more appropriate. Using data from 9 provinces, we examined indicators that describe the current landscape of acute care hospital use at the end of life for patients who died of cancer in hospital in Canada. Interprovincial variation was observed in acute care hospital deaths, length of stay in hospital, readmission to hospital, and intensive care unit use at the end of life. High rates of acute care hospital use near the end of life might suggest that community and home-based end-of-life care might not be suiting patient needs.
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Huang W, Zhang C, Cui M, Niu J, Ding W. Inhibition of Bevacizumab-induced Epithelial-Mesenchymal Transition by BATF2 Overexpression Involves the Suppression of Wnt/β-Catenin Signaling in Glioblastoma Cells. Anticancer Res 2017; 37:4285-4294. [PMID: 28739720 DOI: 10.21873/anticanres.11821] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 06/09/2017] [Accepted: 06/12/2017] [Indexed: 11/10/2022]
Abstract
BACKGROUND/AIM Bevacizumab (BV) has been used for the treatment of recurrent glioblastoma. However, it also induces epithelial-mesenchymal transition (EMT) in glioblastoma cells, which compromises its efficacy. BATF2 (basic leucine zipper ATF-like transcription factor 2), a multi-target transcriptional repressor, has been found to suppress cancer development partly through inhibition of Wnt/β-catenin singling. The roles of BATF2 and Wnt/β-catenin signaling in BV-induced EMT in glioblastoma cells were investigated in this study. MATERIALS AND METHODS BV was used to treat U87MG cells, and TOP/FOP FLASH luciferase reporters were employed to determine the activity of Wnt/β-catenin signaling. EMT markers were detected with quantitative reverse transcription-PCR and western blotting. Immunofluorescence (IF) was used to determine the compartmentation of β-catenin. Wound-healing, TransWell and ECIS assays were used to analyze cell adhesion, invasion and migration. RESULTS BV induced EMT phenotype in U87MG cells, and BATF2 overexpression significantly inhibited BV-induced EMT with suppression of Wnt/β-catenin signaling. CONCLUSION Our findings expanded the understanding of the role of BATF2 in tumors, and also suggested a potential of using BATF2 as a therapeutic target to hinder bevacizumab induced EMT in glioblastoma.
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Han JL, He LY, Cui M, Zhang YZ, Liu XB, Xu XY, Wang YP, Wang FF, Wang GS, Niu J, Zhang FC, Mi L, Guo LJ, Gao W. [Feasibility and value of index of microcirculatory resistance in patients with acute myocardial infarction after primary percutaneous coronary intervention]. ZHONGHUA YI XUE ZA ZHI 2017; 97:2261-2265. [PMID: 28780839 DOI: 10.3760/cma.j.issn.0376-2491.2017.29.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluate the feasibility of detecting index of microcirculatory resistance (IMR) and the relationship between IMR and left ventricular (LV) systolic function after acute myocardial infarction (AMI) undergoing primary percutaneous coronary intervention (PCI). Methods: The patients with first AMI received primary PCI in Peking University Third Hospital were enrolled from January 2014 to March 2016. IMR were measured immediately after PCI by using pressure/temperature wire. The relationship between IMR and left ventricular ejection fraction (LVEF) assessed by echocardiography at first day and 6 months after admission was evaluated. Results: Twenty-eight patients with anterior wall AMI were enrolled, with an average age (56±13) years. The success rate of IMR detection was 100%. The mean IMR was (33±18 )mmHg·s. There was no complication related to intravenous adenosine triphosphate (ATP) (140 μg· kg(-1)· min(-1)). The IMR was negatively correlated with TIMI blood flow grade after primary PCI (r=-0.386, P=0.043), and positively correlated with female gender, CK peak value and TnT peak value (r=0.430, P=0.022; r=0.431, P=0.025; r=0.434, P=0.024). After 6 months of follow-up, no adverse cardiovascular events (including cardiac death, nonfatal myocardial infarction, malignant arrhythmia, unplanned revascularization, hospitalization for unstable angina pectoris and severe heart failure requiring hospitalization) occurred. LVEF increased significantly compared with the first day after PCI (0.54±0.08 vs 0.47±0.06, P=0.001), and IMR was negatively correlated with LVEF after 6 months (r=-0.477, P=0.014). Multivariable linear regression analysis showed that CK peak and IMR were predictors of LVEF after six months ( β=-0.595, t=-3.814, P=0.01; β=-0.352, t=-2.26, P=0.036). Conclusions: Immediate detection of IMR in patients with anterior wall AMI after PCI is safe and feasible. The immediate IMR after PCI reflects the extent of myocardial necrosis and myocardial perfusion, and is a predictor of LVEF at 6 months after PCI.
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Lv Y, He C, Wang Z, Guo W, Wang J, Bai W, Zhang L, Wang Q, Liu H, Luo B, Niu J, Li K, Tie J, Yin Z, Fan D, Han G. Association of Nonmalignant Portal Vein Thrombosis and Outcomes after Transjugular Intrahepatic Portosystemic Shunt in Patients with Cirrhosis. Radiology 2017; 285:999-1010. [PMID: 28682164 DOI: 10.1148/radiol.2017162266] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Purpose To assess the effects of preexisting nonmalignant portal vein thrombosis (PVT) on mortality, clinical relapse, shunt dysfunction, and overt hepatic encephalopathy (HE) after transjugular intrahepatic portosystemic shunt (TIPS) placement. Materials and Methods This retrospective study was approved by the institutional ethics committee, and written informed consent was obtained from all patients. From March 2001 to December 2014, 1171 consecutive patients with cirrhosis (762 men, 409 women; mean age, 50.0 years ± 12.8) and PVT (n = 212; 18%) or without PVT (n = 959; 82%) who underwent TIPS placement were included. The association between PVT and outcomes after TIPS placement was measured by using Fine and Gray competing risk regression model after adjusting for important baseline characteristics or by using propensity score. The Wald test was used to assess the homogeneity of the effects of PVT across different strata (stratified PVT according to the stages, degrees, and extents) and major subgroups. Results During a median follow-up period of 28.4 months, 507 (43%) patients died, 373 (32%) experienced clinical relapse, 217 (19%) developed shunt dysfunction, and 475 (41%) experienced overt HE. Compared with patients without PVT, patients with PVT had a similar risk of mortality (adjusted hazard ratio, 0.82; 95% confidence interval [CI]: 0.63, 1.09; P = .17), clinical relapse (adjusted hazard ratio, 1.24; 95% CI: 0.92, 1.69; P = .15), shunt dysfunction (adjusted hazard ratio, 1.03; 95% CI: 0.70, 1.51; P = .43), and overt HE (adjusted hazard ratio, 0.88; 95% CI: 0.70, 1.11; P = .29). Furthermore, the effects of PVT were consistent across the relevant strata and subgroups. Conclusion There was no evidence that preexisting PVT was associated with an improved or worsened outcome after TIPS. © RSNA, 2017 Online supplemental material is available for this article.
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Shen Y, Cai MH, Ji W, Bai J, Huang Y, Sun Y, Lin L, Niu J, Zhang MZ. Unrepaired Tetralogy of Fallot-related Pathophysiologic Changes Reduce Systemic Clearance of Etomidate in Children. Anesth Analg 2017; 123:722-30. [PMID: 27537760 DOI: 10.1213/ane.0000000000001477] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
BACKGROUND Pathophysiologic changes in children with congenital heart disease may alter the effect of drugs by influencing the pharmacokinetics (PK). Considering the limited literature that describes the PK of etomidate in pediatric patients, especially in those with tetralogy of Fallot (TOF), our aim was to characterize the PK of etomidate and explore the effects of TOF. METHODS Twenty-nine pediatric patients (15 with TOF and 14 with normal cardiac anatomy) scheduled to undergo elective surgery under general anesthesia were recruited in the study. All children received etomidate 60 μg/kg/min intravenously until a bispectral index of ≤50 was reached for 5 seconds during anesthesia induction. Arterial blood samples were drawn and analyzed. Population analysis was performed by using NONMEM to define PK characteristics. The estimates were standardized to a 70-kg adult using a per-kilogram model. RESULTS Data consisting of 244 samples from 29 children with a mean age of 236 days (range, 86-360 days) were used, including a TOF group with a mean age of 250 days (range, 165-360 days) and a normal cardiac anatomy group with a mean age of 221 days (range, 86-360 days). A 3-compartment disposition model was best fitted to describe the PK of etomidate. The introduction of TOF as a covariate for systemic clearance (Cl1) improved the model and resulted in a significant reduction of objective function (Δobjective function = -7.33; P = .0068), which means that TOF was a significant covariate of Cl1, and the etomidate Cl1 in children with TOF (1.67 × (weight [WT]/70 kg) L/min) was lower than those with normal cardiac anatomy (2.28 × (WT/70 kg) L/min). Other PK parameter values were as follows: V1 = 8.05 × (WT/70 kg) L; V2 = 13.7 × (WT/70 kg) L; V3 = 41.3 × (WT/70 kg) L; Cl2 = 3.35 × (WT/70 kg) L/min; Cl3 = 0.563 × (WT/70 kg) L/min. CONCLUSIONS A decreased systemic clearance for etomidate in children with TOF resulted in a lower required infusion rate and variation with time to achieve the same plasma concentration and maintain an equivalent target concentration or have longer sedation and recovery times after bolus or continuous infusion than normal children.
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Haramboure M, Smagghe G, Niu J, Christiaens O, Spanoghe P, Alzogaray RA. Toxicity and Metabolism of Zeta-Cypermethrin in Field-Collected and Laboratory Strains of the Neotropical Predator Chrysoperla externa Hagen (Neuroptera: Chrysopidae). NEOTROPICAL ENTOMOLOGY 2017; 46:310-315. [PMID: 28281214 DOI: 10.1007/s13744-017-0497-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Accepted: 02/15/2017] [Indexed: 06/06/2023]
Abstract
Resistance to pesticides has been studied in several insect pests, but information on the natural enemies of pests-including the Neotropical predator Chrysoperla externa Hagen (Neuroptera: Chrysopidae), a major biological control agent in South America-is lacking. We report here a comparative study between a field-collected strain of C. externa subjected to monthly sprayings of pyrethroids and neonicotinoids and a laboratory strain without exposure to pesticides. The tolerance of both strains against zeta-cypermethrin was similar, and addition of the synergist piperonyl butoxide increased the toxicity by 30% in both strains. Gas-chromatography analyses and mixed-function-oxidase measurements indicated similar values in both strains and also confirmed the key role of oxidative metabolism in this species. Because C. externa has maintained a tolerance to zeta-cypermethrin without previous pesticide exposure, this species could potentially be mass-reared and released in fields in the presence of pesticide pressure.
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Wink AE, Gross KD, Brown CA, Guermazi A, Roemer F, Niu J, Torner J, Lewis CE, Nevitt MC, Tolstykh I, Sharma L, Felson DT. Varus thrust during walking and the risk of incident and worsening medial tibiofemoral MRI lesions: the Multicenter Osteoarthritis Study. Osteoarthritis Cartilage 2017; 25:839-845. [PMID: 28104540 PMCID: PMC5473434 DOI: 10.1016/j.joca.2017.01.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 12/13/2016] [Accepted: 01/10/2017] [Indexed: 02/07/2023]
Abstract
OBJECTIVE To determine the association of varus thrust during walking to incident and worsening medial tibiofemoral cartilage damage and bone marrow lesions (BMLs) over 2 years in older adults with or at risk for osteoarthritis (OA). METHOD Subjects from the Multicenter Osteoarthritis Study (MOST) were studied. Varus thrust was visually assessed from high-speed videos of forward walking trials. Baseline and two-year MRIs were acquired from one knee per subject and read for cartilage loss and BMLs. Logistic regression with generalized estimating equations was used to estimate the odds of incident and worsening cartilage loss and BMLs, adjusting for age, sex, race, body mass index (BMI), and clinic site. The analysis was repeated stratified by varus, neutral, and valgus alignment. RESULTS 1007 participants contributed one knee each. Varus thrust was observed in 29.9% of knees. Knees with thrust had 2.17 [95% CI: 1.51, 3.11] times the odds of incident medial BML, 2.51 [1.85, 3.40] times the odds of worsening medial BML, and 1.85 [1.35, 2.55] times the odds of worsening medial cartilage loss. When stratified by alignment, varus knees also had significantly increased odds of these outcomes. CONCLUSION Varus thrust observed during walking is associated with increased odds of incident and worsening medial BMLs and worsening medial cartilage loss. Increased odds of these outcomes persist in varus-aligned knees.
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Song Y, Niu J, Yue Z, Gao R, Zhang C, Ding W. Increased chemo-sensitivity by knockdown coilin expression involved acceleration of premature cellular senescence in HeLa cells. Biochem Biophys Res Commun 2017; 489:123-129. [PMID: 28536075 DOI: 10.1016/j.bbrc.2017.05.108] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 05/19/2017] [Indexed: 12/22/2022]
Abstract
Coilin is a marker protein of the Cajal body (CB). Cajal bodies, functional nuclear structure, play important roles for the maturation of telomerase mRNAs. However, whether CB participates in the process of cell senescence is unknown. Cisplatin is a frequently used drug for the chemotherapy for various cancers, which was recently reported to be able to induce premature senescence of tumor cells. In this study, we found that when HeLa cells were treated with 2 μg/ml cisplatin for 4 days, stagnant cell growth, especially in cells stained positive of SA-β-gal, was accompanied with significant changes in CB morphologies. The removal of cisplatin allowed the recovery of normal CB appearance, but was not able to restore cells from senescent states. Knocking down coilin expression by siRNA attenuated the growth and reduced the viability of treated cells, and the decreased rate of CB formation correlated with increased staining of SA-β-gal. Interestingly, when coilin knocked-down cells exposed to cisplatin, the drug sensitivity as shown by the reduction of cell viability was significantly increased compared to the control siRNA transfection groups. Overexpression of coilin phosphomutants increased SA-β-gal fluorescence following treatments with cisplatin as compared to the wild type coilin transfection. Our results indicated that coilin was an important functional player that involved in cisplatin-induced premature cell senescence. It suggested that the modulation of coilin expression could be considered as a potential anti-tumor strategy to increase the sensitivity of chemotherapy through which drug-induced cell senescence was accelerated.
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