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Zou Y, Liu S, Peng Y, Chen D, Tan H. Net Energy Prediction Equations Used in Chinese Yellow Chickens for Energy Evaluation. BRAZILIAN JOURNAL OF POULTRY SCIENCE 2021. [DOI: 10.1590/1806-9061-2020-1293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Tan H, How AX, Wang XX, Lee JE, Lim WS. Letter to the Editor: COVID-19 and Persons with Dementia in Acute Care Settings: How to "EVADE" Challenging Behaviors. J Frailty Aging 2020; 10:73-74. [PMID: 33331627 PMCID: PMC7539550 DOI: 10.14283/jfa.2020.53] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The double whammy of dementia and coronavirus disease 2019 (COVID-19) has raised huge concerns for healthcare systems which are already struggling to cope with care demands of persons with dementia (PWD) in non-pandemic times (1). PWD who are admitted to acute care services are particularly vulnerable to behavioural changes and adverse outcomes from delirium (2, 3). During the COVID-19 period, ward relocation is frequently encountered due to COVID-19 screening and segregation; this constant changing of environment and care teams puts PWD at risk of behavioural exacerbations. This is aggravated by restrictive visitor policies in hospitals, depriving PWD of the reassuring presence of family members. Not surprisingly, caring for persons with dementia (PWD) with behavioral issues in acute care settings has become extremely challenging.
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Yang YB, Tan H, Wang Q. MiRNA-300 suppresses proliferation, migration and invasion of non-small cell lung cancer via targeting ETS1. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2020; 23:10827-10834. [PMID: 31858551 DOI: 10.26355/eurrev_201912_19786] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE To elucidate the biological function of microRNA-300 (miRNA-300) in influencing the progression of non-small cell lung cancer (NSCLC). PATIENTS AND METHODS The relative level of miRNA-300 in NSCLC tissues and cells was determined by quantitative Real Time-Polymerase Chain Reaction (qRT-PCR). The influences of miRNA-300 on the proliferative, migratory, and invasive potentials of A549 cells were assessed. The binding relationship between miRNA-300 and ETS1 was verified by the Dual-Luciferase Reporter Gene Assay. Finally, the regulatory effect of the interactive miRNA-300 and ETS1 on the progression of NSCLC was identified. RESULTS MiRNA-300 was downregulated in NSCLC tissues and cells. The overexpression of miRNA-300 suppressed A549 cells to proliferate, migrate, and invade. MiRNA-300 could bind to ETS1 3'UTR and suppress its level in A549 cells. Notably, the knockdown of miRNA-300 could reverse the regulatory role of ETS1 in the cellular behaviors of NSCLC. CONCLUSIONS MiRNA-300 suppresses NSCLC to proliferate, migrate, and invade by targeting ETS1.
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Wiest C, Tinkhauser G, Pogosyan A, Bange M, Muthuraman M, Groppa S, Baig F, Mostofi A, Pereira EA, Tan H, Brown P, Torrecillos F. Local field potential activity dynamics in response to deep brain stimulation of the subthalamic nucleus in Parkinson's disease. Neurobiol Dis 2020; 143:105019. [PMID: 32681881 PMCID: PMC7115855 DOI: 10.1016/j.nbd.2020.105019] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 06/17/2020] [Accepted: 07/11/2020] [Indexed: 02/06/2023] Open
Abstract
Local field potentials (LFPs) may afford insight into the mechanisms of action of deep brain stimulation (DBS) and potential feedback signals for adaptive DBS. In Parkinson's disease (PD) DBS of the subthalamic nucleus (STN) suppresses spontaneous activity in the beta band and drives evoked resonant neural activity (ERNA). Here, we investigate how STN LFP activities change over time following the onset and offset of DBS. To this end we recorded LFPs from the STN in 14 PD patients during long (mean: 181.2 s) and short (14.2 s) blocks of continuous stimulation at 130 Hz. LFP activities were evaluated in the temporal and spectral domains. During long stimulation blocks, the frequency and amplitude of the ERNA decreased before reaching a steady state after ~70 s. Maximal ERNA amplitudes diminished over repeated stimulation blocks. Upon DBS cessation, the ERNA was revealed as an under-damped oscillation, and was more marked and lasted longer after short duration stimulation blocks. In contrast, activity in the beta band suppressed within 0.5 s of continuous DBS onset and drifted less over time. Spontaneous activity was also suppressed in the low gamma band, suggesting that the effects of high frequency stimulation on spontaneous oscillations may not be selective for pathological beta activity. High frequency oscillations were present in only six STN recordings before stimulation onset and their frequency was depressed by stimulation. The different dynamics of the ERNA and beta activity with stimulation imply different DBS mechanisms and may impact how these activities may be used in adaptive feedback.
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Tan H, Velasco R, San Juan M, Cornelio G. P-114 Cytokines as a prognostic marker of overall survival in pancreatic cancer: A meta-analysis and systematic review. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.04.196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Kim G, Tan H, Sundar R, Wang L, Shabbir A, Yong W, So J. P-159 First-in-human phase 1 dose-escalating study protocol of pressurized intraperitoneal aerosol chemotherapy with paclitaxel in peritoneal carcinomatosis (PIPAC2 study). Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.04.241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Fu D, Zhang P, Wang L, Liu W, Tan H, Di M, Cai M, Zhang P, Tao K, Wang G, Jiang C, Wang Z. Emergency abdominal surgery in COVID-19 patients: a note of caution from Wuhan. Br J Surg 2020; 107:e262. [PMID: 32491190 PMCID: PMC7300454 DOI: 10.1002/bjs.11722] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 04/30/2020] [Indexed: 12/23/2022]
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Tan H, Zhang L, Yang B, Zhou L. FRI0022 THE ANALYSIS OF THE INVOLVEMENT OF TRANSFORMING-GROWTH INTERACTING FACTOR POLYMORPHISMS IN THE BONE METABOLISM OF RHEUMATOID ARTHRITIS. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.3126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Rheumatoid arthritis (RA) is an autoimmune disease that mainly invades synovial membranes and further damage to articular cartilage and bone. The abnormal activation of transforming-growth factor β (TGF-β) in the subchondral bone is related to the onset of RA joint cartilage degeneration and transforming-growth interacting factor (TGIF) is a negative regulator of TGF-β signaling, while there is no literature addressing the relationship between TGIF polymorphisms and the bone metabolism of RA.Objectives:The aim of the study was to comprehensively explore the possible association for single nucleotide polymorphisms (SNPs) in the TGIF gene with serum bone metabolism markers and RA susceptibility.Methods:Three SNPs within the TGIF gene were genotyped in 155 RA patients and 168 healthy controls by high resolution melting (HRM) analysis in a case-control study. The serum levels of osteocalcin, bone alkaline phosphatase (BALP) and β type I collagen-crosslinked C telopeptide (β-CTX) were detected by electrochemical luminescence in 108 RA patients randomly selected from RA patients group.Results:Genotypes and alleles frequency analysis showed rs7362020 was associated with bone erosion in RA (P=0.012, P=0.003, respectively) and individuals carrying T allele for rs7362020 showed a decreased RA risk (OR=0.59, 95% CI = 0.42-0.84; P= 0.003). In the gender-specific analysis, rs73620203 polymorphism was associated with bone erosion of female RA patients (P values of the distribution of genotypes and alleles were 0.022 and 0.006, respectively). In addition, RA patients with CC, CT and TT genotypes at rs73620203 locus had statistically significant differences in serum osteocalcin and BALP (P=0.006, P=0.037, respectively) and the serum levels in TT genotype RA patients were significantly lower than CC and CT genotype RA patients. The serum levels of β-CTX in rs85440 AA genotype male RA patients were significantly higher than female RA patients (P=0.001), while the serum levels of osteocalcin and BALP in genotype AA, AG and GG female and male RA patients were not significantly different (P all>0.05).Conclusion:Our study provided the first evidence that rs73620203 is associated with bone erosion of RA and provided new insight into the relationship between three SNPs within TGIF gene and regulation of bone metabolism in RA patients of different genders.Acknowledgments:This work was supported by the National Natural Science Foundation of China (Nos. 81772258) and Science and Technology Agency of Sichuan Province (Nos. 2019YFS0310, 2018FZ0106).Disclosure of Interests:None declared
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Li L, Zhang Y, Tan H, Bai Y, Fang F, Faramand A, Chong W, Hai Y. Effect of progestogen for women with threatened miscarriage: a systematic review and meta‐analysis. BJOG 2020; 127:1055-1063. [PMID: 32324957 DOI: 10.1111/1471-0528.16261] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/25/2020] [Indexed: 02/05/2023]
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Zhao R, Wang Y, Zou L, Luo Y, Tan H, Yao J, Zhang M, Liu S. Hox genes reveal variations in the genomic DNA of allotetraploid hybrids derived from Carassius auratus red var. (female) × Cyprinus carpio L. (male). BMC Genet 2020; 21:24. [PMID: 32131722 PMCID: PMC7057633 DOI: 10.1186/s12863-020-0823-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 02/04/2020] [Indexed: 11/10/2022] Open
Abstract
Background Hox transcription factors are master regulators of animal development. Although highly conserved, they can contribute to the formation of novel biological characteristics when modified, such as during the generation of hybrid species, thus potentially serving as species-specific molecular markers. Here, we systematically studied the evolution of genomic sequences of Hox loci in an artificial allotetraploid lineage (4nAT, 4n = 200) derived from a red crucian carp (♀, RCC, 2n = 100) × common carp (♂, CC, 2n = 100) cross and its parents (RCC and CC). Results PCR amplification yielded 23 distinct Hox gene fragments from 160 clones in 4nAT, 22 fragments from 90 clones in RCC, and 19 fragments from 90 clones in CC. Sequence alignment of the HoxA3a and HoxC10a genes indicated both the inheritance and loss of paternal genomic DNA in 4nAT. The HoxA5a gene from 4nAT consisted of two subtypes from RCC and two subtypes from CC, indicating that homologous recombination occurred in the 4nAT hybrid genome. Moreover, 4nAT carried genomic pseudogenization in the HoxA10b and HoxC13a loci. Interestingly, a new type of HoxC9a gene was found in 4nAT as a hybrid sequence of CC and RCC by recombination in the intronic region. Conclusion The results revealed the influence of Hox genes during polyploidization in hybrid fish. The data provided insight into the evolution of vertebrate genomes and might be benefit for artificial breeding programs.
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Wang Y, Tan H, Zhang M, Zhao R, Wang S, Qin Q, Wang J, Zhang C, Tao M, Ma M, Chen B, Liu S. The Hybrid Genome of a New Goldfish-Like Fish Lineage Provides Insights Into the Origin of the Goldfish. Front Genet 2020; 11:122. [PMID: 32194618 PMCID: PMC7063666 DOI: 10.3389/fgene.2020.00122] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 02/03/2020] [Indexed: 11/13/2022] Open
Abstract
Distant hybridization leads to obvious changes in genotypes and phenotypes, giving rise to species with novel capabilities. However, the fusion of distinct genomes also polymerizes the DNA or gene variations that occur during the course of evolution. Knowledge of the early stages of post-hybridization evolution is particularly important. Here, we investigated the full-length (FL) transcriptomes and the sequences resulting from the genome resequencing of the red crucian carp-like homodiploid fish (RCC-L) and goldfish-like homodiploid fish (GF-L) derived from the interspecific hybridization of koi carp (KOC) and blunt snout bream (BSB) to provide molecular evidence for the hybrid origin of the goldfish (GF). We compared the orthologous genes in the transcriptomes of RCC-L and GF-L with those of KOC and BSB. We also mapped the orthologous genes to the common carp (CC) and BSB genomes and classified them into eight gene patterns in three categories (chimaera, mutant, and biparental origin genes). The results showed that 48.20% and 46.50% of the genes were chimaera and that 3.70% and 8.30% of the genes were mutations of orthologous genes in RCC-L and GF-L, respectively. In RCC-L and GF-L, 63.70% and 68.20% of the genetic materials were from KOC, and 12.30% and 11.90% of the genetic materials were from BSB. The sequences from the genome resequencing of RCC-L and GF-L were mapped to the genome sequences of CC and BSB, revealing that the similarities of both RCC-L and GF-L to the CC genome (92.52%, 90.18%) were obviously higher than to the BSB genome (50.33%, 49.18%), supporting the suggestion that the genomes of both RCC-L and GF-L were mainly inherited from KOC but had some DNA fragments from BSB. Overall, our results provide molecular biological evidence for the hybrid origin of red crucian carp (RCC) and GF.
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Tan H, Wu WZ, Zhao Q, Hong ZC, Feng JY, Zeng H. [HIV/AIDS related frailty syndrome in the elderly and related research progress]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2020; 41:127-130. [PMID: 32062955 DOI: 10.3760/cma.j.issn.0254-6450.2020.01.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Frailty syndrome, caused by degenerative changes in the body and the body vulnerability due to a variety of chronic diseases, is associated with adverse outcomes, such as fall, disability and mortality. With the development of antiretroviral therapy, the average life span of HIV/AIDS patients is extended, the number of elderly living with HIV/AIDS has increased, resulting the increase of the incidence of frailty syndrome in this population. The incidence of frailty syndrome in the elderly is associated with HIV infection and adverse reaction of antiretroviral therapy. Early assessment and intervention of frailty syndrome in elderly HIV/AIDS patients can reduce adverse clinical events and improve the quality of life.
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Lan N, Tan H, Erickson M, Gupta A. 275 A Novel Method for Detecting Coronary Artery Dissection Using Computed Tomography Coronary Angiography. Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Wang J, Tan H, Li K, Yin H. Two‐stage fermentation optimization for poly‐3‐hydroxybutyrate production from methanol by a new Methylobacterium isolate from oil fields. J Appl Microbiol 2019; 128:171-181. [DOI: 10.1111/jam.14463] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Revised: 09/13/2019] [Accepted: 09/13/2019] [Indexed: 01/08/2023]
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Tan H, Hannon C, Gopalan A, Alexander A, Patel J, Bergeon D, Andreoli L, Jarski R, McKeown T, Gunaga S. 204 Screening for Balance and Vision Symptoms in Triage to Enhance Identification of Strokes in the Emergency Department. Ann Emerg Med 2019. [DOI: 10.1016/j.annemergmed.2019.08.372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Dumas G, Tan H, Dumas L, Perrin P, Lion A, Schmerber S. Skull vibration induced nystagmus in patients with superior semicircular canal dehiscence. Eur Ann Otorhinolaryngol Head Neck Dis 2019; 136:263-272. [DOI: 10.1016/j.anorl.2019.04.008] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Ständer S, Yosipovitch G, Bushmakin A, Cappelleri J, Luger T, Tom W, Ports W, Zielinski M, Tallman A, Tan H, Gerber R. Examining the association between pruritus and quality of life in patients with atopic dermatitis treated with crisaborole. J Eur Acad Dermatol Venereol 2019; 33:1742-1746. [DOI: 10.1111/jdv.15712] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 05/17/2019] [Indexed: 11/27/2022]
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Kim G, Tan H, Wang L, Teo S, Jang C, Shabbir A, Yong W, So J. Acute pancreatitis after pressurized intraperitoneal aerosol chemotherapy oxaliplatin in an ongoing phase 1 study for peritoneal metastasis. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz155.068] [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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Tan H, Kim G, Jang C, Shabbir A, Charles C, Li R, Wang L, Goh B, So J, Yong W. PIPAC paclitaxel: A systematic and peritoneal tissue pharmacokinetic study in swine. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz155.268] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Lin J, Tan H, Nie Y, Wu D, Zheng W, Lin W, Zhu Z, Yang B, Chen X, Chen T. Krüppel-like factor 2 inhibits hepatocarcinogenesis through negative regulation of the Hedgehog pathway. Cancer Sci 2019; 110:1220-1231. [PMID: 30719823 PMCID: PMC6447955 DOI: 10.1111/cas.13961] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 01/24/2019] [Accepted: 01/30/2019] [Indexed: 12/18/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the most common malignancies worldwide. The most important reason for the occurrence of HCC is hepatitis C or B infection. Moreover, genetic factors play an important role in the tumorigenesis of HCC. Here, we demonstrated that Krüppel-like factor 2 (KLF2) expression was downregulated in HCC samples compared with adjacent tissues. Additionally, KLF2 was shown to inhibit the growth, migration and colony-formation ability of liver cancer cells. Further mechanistic studies revealed that KLF2 can compete with Gli1 for interaction with HDAC1 and restrains Hedgehog signal activation. Together, our results suggest that KLF2 has potential as a diagnostic biomarker and therapeutic target for the treatment of HCC.
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Huang HQ, Bai B, Gao YH, Zou DH, Zou SH, Tan H, Song YP, Li ZY, Jin J, Li W, Su H, Gong YP, Zhong MZ, Shuang YR, Zhu J, Zhang JQ, Cai Z, Teng QL, Sun WJ, Yang Y, Xia ZJ, Chen HL, Hua LM, Bao YY, Wu N. [Application of pegylated recombinant human granulocyte colony-stimulating factor to prevent chemotherapy-induced neutropenia in patients with lymphoma: a prospective, multicenter, open-label clinical trial]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2019; 38:825-830. [PMID: 29166732 PMCID: PMC7364967 DOI: 10.3760/cma.j.issn.0253-2727.2017.10.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
目的 评价聚乙二醇化重组人粒细胞刺激因子(PEG-rhG-CSF)预防淋巴瘤患者化疗后发生中性粒细胞减少症的有效性和安全性。 方法 本研究为多中心、开放、单臂、Ⅳ期临床试验。纳入410例淋巴瘤患者接受多周期化疗并预防性使用PEG-rhG-CSF。主要观察患者各化疗周期Ⅲ/Ⅳ度中性粒细胞减少症和发热性中性粒细胞减少(FN)的发生率,同时观察患者整个化疗期间抗生素的使用率。 结果 ①410例患者中,违背入选标准8例(1.95%),失访35例(8.54%),发生不良事件19例(4.63%),出现符合终止研究标准者12例(2.93%),疾病进展或复发15例(3.66%),故最终321例(78.29%)进入符合方案集。②在第1~4个治疗周期,初级预防给予PEG-rhG-CSF后,Ⅳ度中性粒细胞减少症的发生率分别为19.14%(49/256)、12.50%(32/256)、12.18%(24/197)、13.61%(20/147),FN的发生率分别为3.52%(9/256)、0.39%(1/256)、2.54%(5/197)、2.04%(3/147);次级预防给药后,Ⅳ度中性粒细胞减少症的发生率从61.54%(40/65)降至16.92%(11/65)、18.46%(12/65)、20.75%(11/53),FN的发生率从16.92%(11/65)降至1.54%(1/65)、4.62%(3/65)、3.77%(2/53)。③整个化疗期间接受抗生素治疗的受试者比例为34.39%(141/410)。④与PEG-rhG-CSF相关的不良事件发生率为4.63%(19/410),最常见的不良反应为骨痛[3.90%(16/410)]、乏力(0.49%)和发热(0.24%)。 结论 在淋巴瘤患者化疗过程中,预防性使用PEG-rhG-CSF能够有效降低化疗过程中Ⅲ/Ⅳ度中性粒细胞减少症和FN的发生率,确保淋巴瘤患者接受标准剂量化疗,提高治愈率。
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Yang QQ, Tan H, Fu ZP, Ma Q, Song JL. [HSP90 inhibitor 17-AAG plays an important role in JAK3/STAT5 signaling pathways in HTLV-1 infection cell line HUT-102]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2019; 38:710-715. [PMID: 28954352 PMCID: PMC7348253 DOI: 10.3760/cma.j.issn.0253-2727.2017.08.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze whether heat-shock protein 90 (HSP90) be involved in a permanently abnormal activated JAK/STAT signaling in ATL cells in vitro. Methods: The effect of 17-AAG on proliferation of ATL cell lines HUT-102 was assessed using CCK8 at different time points. Cell apoptosis was measured by flow cytometry. The specific proteins HSP90, STAT5, p-STAT5 and JAK3 were detected by Western blotting. Results: Overexpression of HSP90 in HUT-102 cell lines was disclosed (P<0.05) , and constitutive activation of JAK3/STAT5 signaling was observed in HTLV-1-infected T-cell lines but not in normal PBMCs; Treatment of ATL cell lines with 17-AAG led to reduced cell proliferation, but there was no significant change in terms of cell proliferation when the concentration of 17-AAG between 2 000-8 000 nmol/L (P>0.05) . 17-AAG induced cell apoptosis in different time-points and concentrations. 17-AAG don't affect the expression of JAK3 gene. Conclusion: This study indicated that JAK3 as HSP90 client protein was aberrantly activated in HTLV-1-infected T-cell lines, leading to constitutive activation of p-STAT5 in JAK/STAT signal pathway, which demonstrated that HSP90-inhibitors 17-AAG inhibited the growth of HTLV-1-infected T-cell lines by reducing cell proliferation and inducing cell apoptosis.
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Strober B, Gottlieb A, Kerkhof P, Puig L, Bachelez H, Chouela E, Imafuku S, Thaçi D, Tan H, Valdez H, Gupta P, Kaur M, Frajzyngier V, Wolk R. Tofacitinib benefit‐risk profile in chronic plaque psoriasis. Br J Dermatol 2019. [DOI: 10.1111/bjd.17373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Strober B, Gottlieb A, Kerkhof P, Puig L, Bachelez H, Chouela E, Imafuku S, Thaçi D, Tan H, Valdez H, Gupta P, Kaur M, Frajzyngier V, Wolk R. 托法替布在慢性斑块型银屑病中的获益风险特征. Br J Dermatol 2019. [DOI: 10.1111/bjd.17387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Strober BE, Gottlieb AB, van de Kerkhof PCM, Puig L, Bachelez H, Chouela E, Imafuku S, Thaçi D, Tan H, Valdez H, Gupta P, Kaur M, Frajzyngier V, Wolk R. Benefit-risk profile of tofacitinib in patients with moderate-to-severe chronic plaque psoriasis: pooled analysis across six clinical trials. Br J Dermatol 2018; 180:67-75. [PMID: 30188571 PMCID: PMC7379291 DOI: 10.1111/bjd.17149] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/22/2018] [Indexed: 12/30/2022]
Abstract
Background Although existing psoriasis treatments are effective and well tolerated in many patients, there is still a need for new effective targeted treatment options. Tofacitinib is an oral Janus kinase inhibitor that has been investigated in patients with moderate‐to‐severe chronic plaque psoriasis. Objectives To consider the benefits and risks of tofacitinib in patients with moderate‐to‐severe psoriasis. Methods Data were pooled from one phase II, four phase III and one long‐term extension study comprising 5204 patient‐years of tofacitinib treatment. Efficacy end points included patients achieving Physician's Global Assessments of ‘clear’ or ‘almost clear’, ≥ 75% and ≥ 90% reduction in Psoriasis Area and Severity Index (coprimary end points) and improvements in Dermatology Life Quality Index score, Hospital Anxiety and Depression Scale depression score and Itch Severity Item score, at weeks 16 and 52. Safety data were summarized for 3 years of tofacitinib exposure. Results Tofacitinib 5 and 10 mg twice daily (BID) showed superiority over placebo for all efficacy end points at week 16, with response maintained for 52 weeks of continued treatment. Tofacitinib improved patients’ quality of life and was well tolerated. Rates of safety events of interest (except herpes zoster) were similar to those in the published literature and healthcare databases for other systemic psoriasis therapies. Tofacitinib 10 mg BID demonstrated greater efficacy than 5 mg BID. Conclusions Tofacitinib has a benefit–risk profile in moderate‐to‐severe psoriasis consistent with that of other systemic treatments. What's already known about this topic? Psoriasis is a chronic, systemic inflammatory disease, which has a significant impact on patients’ health‐related quality of life. Although several existing psoriasis treatments are efficacious and well tolerated in many patients, some patients require treatment switching, and a proportion of patients remain untreated or undertreated. Potential challenges to the use of existing therapies include safety issues and limited efficacy in some patients with conventional oral psoriasis treatments, inconvenience of topical treatments and the requirement for parenteral administration of biologics.
What does this study add? Consistent efficacy and a safety profile consistent with that seen in rheumatoid arthritis, psoriatic arthritis and ulcerative colitis were demonstrated for oral tofacitinib in patients with moderate‐to‐severe psoriasis. Tofacitinib has a benefit–risk profile in patients with moderate‐to‐severe psoriasis that is consistent with that of other systemic psoriasis treatments.
Linked Comment: Fleming. Br J Dermatol 2019; 180:13–14. Plain language summary available online Respond to this article
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