101
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Xu D, Zhang T, Chen X, Zhou Q, Liu C, Deng Z, Zhang L, Ying C, Zhang W, Gu M. Reduction of osteopontin in vivo inhibits tubular epithelial to mesenchymal transition in rats with chronic allograft nephropathy. Transplant Proc 2013; 45:659-65. [PMID: 23498805 DOI: 10.1016/j.transproceed.2012.02.048] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2012] [Accepted: 02/13/2012] [Indexed: 12/28/2022]
Abstract
OBJECTIVE Chronic allograft nephropathy (CAN) is an important etiological factor causing graft loss. However, the mechanism of CAN is unclear. Osteopontin (OPN), a proinflammatory and profibrosis molecule, plays a key role in late stages of renal diseases. We investigated the potential role of OPN in the pathogenesis of CAN. METHODS Using a F344 to Lewis rat CAN model, we injected short hairpin RNA (shRNA) constructs targeting OPN or negative control plasmids through the renal vein following electroporation. At 12 weeks after the transplantation, we determined interstitial fibrosis (IF) and tubular atrophy (TA) of the tubular epithelial cells (TECs). OPN expression was examined using Western blots and immunohistochemistry (IHC). Molecules involved in epithelial to mesenchymal transition (EMT) of TECs were examined using IHC and Western blots. RESULTS OPN expression in kidney grafts was decreased by the RNA interference (RNAi) group. Histology observations showed IF and TA to be mild with stable renal function in the RNAi-treated group. EMT of TECs was significantly lessened after reducing OPN. CONCLUSION Reduction of OPN in vivo inhibited progression of CAN. OPN may be of therapeutic value in transplantation settings.
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Liang K, Ke Z, Chen L, Nie M, Cheng Y, Deng Z. Scaphoid nonunion reconstructed with vascularized bone-grafting pedicled on 1,2 intercompartmental supraretinacular artery and external fixation. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2013; 17:1447-1454. [PMID: 23771533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
BACKGROUND Vascularized bone-grafting pedicled on 1,2 intercompartmental supraretinacular artery (1,2 ICSRA) has been recommended as a treatment alternative for established scaphoid nonunion complicated with proximal pole avascular necrosis (AVN). Previous reports focused the studies on the union rate and the revascularization of the transferred graft. However, the postoperative wrist stiffness still a challenging problem and remaining to be solved. The purpose of our study was to determine whether the combination of vascularized bone-grafting pedicled on 1,2 ICSRA and wrist external fixator immobilization provides a more effective strategy for treating established scaphoid nonunion complicated with AVN and improving postoperative range of motion (ROM) of the injured wrist. PATIENTS AND METHODS We retrospectively reviewed a consecutive series of 11 patients who had cases of established scaphoid nonunion involving AVN of the proximal pole were treated with vascularized bone-grafting pedicled on 1,2 1,2 ICSRA, internal fixation, and wrist external fixator immobilization. Procedure of wrist arthrolysis was performed before vascularized bone graft transferring. Preoperative and postoperative evaluation included measurement of clinical (wrist ROM and grip strength), radiographic (intrascaphoid angle, scapholunate angle) and functional (Mayo wrist score) parameters. RESULTS Osseous union was achieved in all of the 11 cases within an average period of 11.4 weeks. On an average 6.1 years follow-up, there were three excellent, six good and two fair results. Significant improvements were found for Mayo wrist score, wrist ROM, and grip strength (p < 0.01). Intrascaphoid angle and scapholunate angle were significantly improved postoperatively, and there was no significant difference between the postoperative values and the values at the last follow-up. Early functional rehabilitation of the injured wrist under the protection of the fixator did not result in displacement of the transferred graft. CONCLUSIONS The results of the present investigation support the use of the vascularized bone graft pedicled on 1,2 ICSRA in the treatment of scaphoid nonunion complicated with proximal pole AVN. Procedures of wrist arthrolysis and early institution of wrist functional rehabilitation under the protection of the external fixator play important role in the restoration of range of motion of the injured wrist.
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Lu Y, Wang J, Deng Z, Wu H, Deng Q, Tan H, Cao L. Isolation and characterization of fatty acid methyl ester (FAME)-producing Streptomyces sp. S161 from sheep (Ovis aries) faeces. Lett Appl Microbiol 2013; 57:200-5. [PMID: 23692633 DOI: 10.1111/lam.12096] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2012] [Revised: 04/23/2013] [Accepted: 04/26/2013] [Indexed: 12/26/2022]
Abstract
An actinomycete producing oil-like mixtures was isolated and characterized. The strain was isolated from sheep faeces and identified as Streptomyces sp. S161 based on 16S rRNA gene sequence analysis. The strain showed cellulase and xylanase activities. The (1) H nuclear magnetic resonance (NMR) spectra of the mixtures showed that the mixtures were composed of fatty acid methyl esters (52·5), triglycerides (13·7) and monoglycerides (9·1) (mol.%). Based on the gas chromatography-mass spectrometry (GC-MS) analysis, the fatty acid methyl esters were mainly composed of C14-C16 long-chain fatty acids. The results indicated that Streptomyces sp. S161 could produce fatty acid methyl esters (FAME) directly from starch. To our knowledge, this is the first isolated strain that can produce biodiesel (FAME) directly from starch.
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He L, Xu Y, Wang D, Deng Z. Characterization of a novel variant alleleHLA-DPA1*02:02:05, identified in a Chinese Han individual. ACTA ACUST UNITED AC 2013; 81:234-6. [DOI: 10.1111/tan.12066] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2012] [Revised: 12/12/2012] [Accepted: 01/10/2013] [Indexed: 11/28/2022]
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105
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Deng Z, Xiao S, Huang S, Gmitter FG. Development and characterization of SCAR markers linked to the citrus tristeza virus resistance gene from Poncirus trifoliata. Genome 2012; 40:697-704. [PMID: 18464859 DOI: 10.1139/g97-792] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Twelve new dominant randomly amplified polymorphic DNA (RAPD) fragments associated with a single dominant gene for resistance to citrus tristeza virus (CTV) were identified using bulked segregant analysis of an intergeneric backcross family. These and eight previously reported RAPDs were mapped in the resistance gene (Ctv) region; the resulting localized linkage map spans about 32 cM, with nine close flanking markers within 2.5 cM of Ctv. Seven of 20 RAPD fragments linked with the resistance gene were cloned and sequenced, and their sequences were used to design longer primers to develop sequence characterized amplified region (SCAR) markers that can be utilized reliably in marker-assisted selection, high-resolution mapping, and map-based cloning of the resistance gene. All seven cloned RAPDs were converted successfully into SCARs by redesigning primers, optimizing PCR parameters (especially the annealing temperature), or digesting amplification products with restriction enzymes. Four of the seven remained dominant markers, displaying presence-absence polymorphism patterns; the other three detected restriction site changes or length variations and thus were transformed into codominant markers. Two genomic regions rich in variability were also detected by two codominant SCAR markers.
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Liang K, Gan X, Deng Z. Traumatic forequarter amputation associated acute lung injury (ALI): report of one case. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2012; 16:974-976. [PMID: 22953649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
One case of traumatic forequarter amputation associated acute lung injury (ALI) was presented. A discussion reviewing the treatment guidelines for this devastating injury, and pointing out the importance of supporting the lung and preventing the development of acute respiratory distress syndrome (ARDS) was included.
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Wang D, Xu Y, Zou H, Deng Z. A novel HLA-A allele detected by sequence-based typing: A*11:01:18. ACTA ACUST UNITED AC 2012; 80:192-3. [PMID: 22631627 DOI: 10.1111/j.1399-0039.2012.01891.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
HLA-A*11:01:18 shows one nucleotide difference at genomic nt 331 G>A (codon 43 CAG>CAA) in exon 2.
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108
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Wang D, Xu Y, He LM, Deng Z. Characterization of the novel HLA-DPB1*139:01 allele identified by sequence-based typing in a Chinese Han individual. ACTA ACUST UNITED AC 2012; 80:197-8. [DOI: 10.1111/j.1399-0039.2012.01896.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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109
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Deng Z, Xu S, Chalkley RJ, Oses-Prieto JA, Burlingame AL, Wang ZY, Kutschera U. Rapid auxin-mediated changes in the proteome of the epidermal cells in rye coleoptiles: implications for the initiation of growth. PLANT BIOLOGY (STUTTGART, GERMANY) 2012; 14:420-7. [PMID: 22117532 PMCID: PMC3312047 DOI: 10.1111/j.1438-8677.2011.00513.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
In axial organs of juvenile plants, the phytohormone auxin (indole-3-acetic acid, IAA) rapidly mediates cell wall loosening and hence promotes turgor-driven elongation. In this study, we used rye (Secale cereale) coleoptile sections to investigate possible effects of IAA on the proteome of the cells. In a first set of experiments, we document that IAA causes organ elongation via promotion of expansion of the rigid outer wall of the outer epidermis. A quantitative comparison of the proteome (membrane-associated proteins), using two-dimensional difference gel electrophoresis (2-D DIGE), revealed that, within 2 h of auxin treatment, at least 16 protein spots were up- or down-regulated by IAA. These proteins were identified using reverse-phase liquid chromatography electrospray tandem mass spectrometry. Four of these proteins were detected in the growth-controlling outer epidermis and were further analysed. One epidermal polypeptide, a small Ras-related GTP-binding protein, was rapidly down-regulated by IAA (after 0.5 h of incubation) by -35% compared to the control. Concomitantly, a subunit of the 26S proteasome was up-regulated by IAA (+30% within 1 h). In addition, this protein displayed IAA-mediated post-translational modification. The implications of these rapid auxin effects with respect to signal transduction and IAA-mediated secretion of glycoproteins (osmiophilic nano-particles) into the growth-controlling outer epidermal wall are discussed.
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110
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Deng Z, Xu S, Chalkley RJ, Oses-Prieto JA, Burlingame AL, Wang ZY, Kutschera U. Rapid auxin-mediated changes in the proteome of the epidermal cells in rye coleoptiles: implications for the initiation of growth. PLANT BIOLOGY (STUTTGART, GERMANY) 2012; 14:420-427. [PMID: 22117532 DOI: 10.111/j.1438-8677.2011.00513.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
In axial organs of juvenile plants, the phytohormone auxin (indole-3-acetic acid, IAA) rapidly mediates cell wall loosening and hence promotes turgor-driven elongation. In this study, we used rye (Secale cereale) coleoptile sections to investigate possible effects of IAA on the proteome of the cells. In a first set of experiments, we document that IAA causes organ elongation via promotion of expansion of the rigid outer wall of the outer epidermis. A quantitative comparison of the proteome (membrane-associated proteins), using two-dimensional difference gel electrophoresis (2-D DIGE), revealed that, within 2 h of auxin treatment, at least 16 protein spots were up- or down-regulated by IAA. These proteins were identified using reverse-phase liquid chromatography electrospray tandem mass spectrometry. Four of these proteins were detected in the growth-controlling outer epidermis and were further analysed. One epidermal polypeptide, a small Ras-related GTP-binding protein, was rapidly down-regulated by IAA (after 0.5 h of incubation) by -35% compared to the control. Concomitantly, a subunit of the 26S proteasome was up-regulated by IAA (+30% within 1 h). In addition, this protein displayed IAA-mediated post-translational modification. The implications of these rapid auxin effects with respect to signal transduction and IAA-mediated secretion of glycoproteins (osmiophilic nano-particles) into the growth-controlling outer epidermal wall are discussed.
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111
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Xu Y, Sun Y, He L, Deng Z. Characterization of the genomic full-length sequence of C*04:03 and C*04:06 in Chinese Han individuals. TISSUE ANTIGENS 2011; 78:402-403. [PMID: 21707542 DOI: 10.1111/j.1399-0039.2011.01724.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The genomic full-length sequences of C*04:03 and C*04:06 were first identified by cloning and sequencing.
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112
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Deng Z, Lin F, Yu H, Lin H, Sun C, Zhu P. Effects of pyridoxamine on preliferation of rat vascular smooth muscle cells. BRITISH HEART JOURNAL 2011. [DOI: 10.1136/heartjnl-2011-300867.32] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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113
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He L, Deng Z, Xu Y, Wang D. Characterization of a novel variant allele, HLA-C*07:01:19, identified in a Chinese Han individual. TISSUE ANTIGENS 2011; 78:291-292. [PMID: 21615337 DOI: 10.1111/j.1399-0039.2011.01701.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The novel HLA-C*07:01:19 allele differs from the closest allele C*07:01:01 by a single nucleotide change at coding sequence nucleotide 738 G>A (codon 222 GAG>GAA) in exon 4.
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114
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Li S, Guo J, Wu J, Sun Z, Han M, Shan S, Deng Z, Yang B, Weisel R, Li R. 180 microrna-17 Accelerates Cardiac Matrix Remodeling After Myocardial Infarction by Targeting Timp-1 and Timp-2. Can J Cardiol 2011. [DOI: 10.1016/j.cjca.2011.07.127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022] Open
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115
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Wan H, Zhang L, Brown M, Wu X, Wang J, Yang L, Deng Z, Wu J. Influence of Aging Days and Age at Harvest on Meat Quality of Gannan Black Yak. ACTA ACUST UNITED AC 2011. [DOI: 10.3923/javaa.2011.1089.1096] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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116
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Xu Y, Li Z, Zou H, Deng Z. Two novel HLA-A alleles, A*29:02:01:02 and A*68:01:01:02, were identified by genomic full-length cloning and sequencing. ACTA ACUST UNITED AC 2011; 79:72-4. [DOI: 10.1111/j.1399-0039.2011.01752.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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117
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Hu QN, Deng Z, Hu H, Cao DS, Liang YZ. RxnFinder: biochemical reaction search engines using molecular structures, molecular fragments and reaction similarity. Bioinformatics 2011; 27:2465-7. [DOI: 10.1093/bioinformatics/btr413] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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118
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Koehne J, Stevens R, Zink T, Deng Z, Chen H, Weng I, Liu F, Liu G. Using carbon nanotube probes for high-resolution three-dimensional imaging of cells. Ultramicroscopy 2011; 111:1155-62. [DOI: 10.1016/j.ultramic.2011.01.030] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2010] [Revised: 01/18/2011] [Accepted: 01/21/2011] [Indexed: 11/29/2022]
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119
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Deng Z, Nicolas CH, Guo Y, Giroir-Fendler A, Pera-Titus M. Isomorphously substituted B-MFI hollow fibre membranes for p-xylene separation from C8 aromatic mixtures. Sep Purif Technol 2011. [DOI: 10.1016/j.seppur.2011.05.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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120
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Xu Y, Deng Z, O'hUigin C, Wang D, Gao S, Zeng J, Yang B, Jin S, Zou H. Characterization and polymorphic analysis of 4.5 kb genomic full-length HLA-C in the Chinese Han population. ACTA ACUST UNITED AC 2011; 78:102-14. [PMID: 21658009 DOI: 10.1111/j.1399-0039.2011.01710.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
This study used long-range polymerase chain reaction to sequence 4.5 or 4.3 kb of genomic DNA covering human leukocyte antigen C (HLA-C) and its flanks in 45 Chinese Han subjects to better characterize variation in the gene in a single population. Sequences of 35 HLA-C alleles were obtained from the population, including major alleles of 13 lineages of HLA-C. Four novel alleles, C*03:04:01:02, C*04:01:01:03, C*08:22, and C*17:01:01:02, were identified, and complete full-length sequences of 18 HLA-C alleles were obtained for the first time. All sequences herein reported also represent extensions through the promoter region and the 3'-untranslated region. Fourteen 5'-nucleotide sequences and 14 3'-nucleotide sequences were detected outside the coding region. In total, 316 single-nucleotide polymorphisms unequally distributed in HLA-C subregions were observed. In addition to exons 2 and 3, nucleotide variability was found to be particularly high in exon 5, which encodes the transmembrane region. The differentiation of the C*07 and C*17 lineages in this region accounts for the high variability. The congruence of phylogeny across most regions of the gene suggests that gene conversion or recombination has not markedly influenced divergence between lineages in the evolution of HLA-C.
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Deng Z, Pera-Titus M, Guo Y, Giroir-Fendler A. Molecular Sieving Separation of Hexane Isomers within Nanocomposite (B)-MFI-Alumina Hollow Fiber Membranes: A Modeling Study. Ind Eng Chem Res 2010. [DOI: 10.1021/ie101566q] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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122
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Deng Z, Nicolas CH, Daramola M, Sublet J, Schiestel T, Burger A, Guo Y, Giroir-Fendler A, Pera-Titus M. Nanocomposite MFI-alumina hollow fibre membranes prepared via pore-plugging synthesis: Influence of the porous structure of hollow fibres on the gas/vapour separation performance. J Memb Sci 2010. [DOI: 10.1016/j.memsci.2010.05.065] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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123
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Daramola M, Deng Z, Pera-Titus M, Giroir-Fendler A, Miachon S, Burger A, Lorenzen L, Guo Y. Nanocomposite MFI–alumina membranes prepared via pore-pugging synthesis: Application as packed-bed membrane reactors for m-xylene isomerization over a Pt-HZSM-5 catalyst. Catal Today 2010. [DOI: 10.1016/j.cattod.2010.03.077] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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124
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Fang L, Deng Z, Shatseva T, Yang J, Peng C, Du WW, Yee AJ, Ang LC, He C, Shan SW, Yang BB. MicroRNA miR-93 promotes tumor growth and angiogenesis by targeting integrin-β8. Oncogene 2010; 30:806-21. [PMID: 20956944 DOI: 10.1038/onc.2010.465] [Citation(s) in RCA: 247] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
It has been reported that the miR-106b∼25 cluster, a paralog of the miR-17∼92 cluster, possesses oncogenic activities. However, the precise role of each microRNA (miRNA) in the miR-106b∼25 cluster is not yet known. In this study, we examined the function of miR-93, one of the microRNAs within the miR-106b∼25 cluster, in angiogenesis and tumor formation. We found that miR-93 enhanced cell survival, promoted sphere formation and augmented tumor growth. Most strikingly, when miR-93-overexpressing U87 cells were co-cultured with endothelial cells, they supported endothelial cell spreading, growth, migration and tube formation. In vivo studies revealed that miR-93-expressing cells induced blood vessel formation, allowing blood vessels to extend to tumor tissues in high densities. Angiogenesis promoted by miR-93 in return facilitated cell survival, resulting in enhanced tumor growth. We further showed that integrin-β8 is a target of miR-93. Higher levels of integrin-β8 are associated with cell death in tumor mass and in human glioblastoma. Silencing of integrin-β8 expression using small interfering RNA promoted cell proliferation, whereas ectopic expression of integrin-β8 decreased cell growth. These findings showed that miR-93 promotes tumor growth and angiogenesis by suppressing, at least in part, integrin-β8 expression. Our results suggest that inhibition of miR-93 function may be a feasible approach to suppress angiogenesis and tumor growth.
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Zhao K, Liu QQ, Wang XC, Deng Z, Lv YX, Zhu JL, Li FY, Jin CQ. Superconductivity above 33 K in (Ca(₁ - x)Na(x))Fe₂As₂. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2010; 22:222203. [PMID: 21393737 DOI: 10.1088/0953-8984/22/22/222203] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
We report the synthesis of (Ca₀.₃₃Na₀.₆₆)Fe₂As₂ showing a superconducting transition with T(c) above 33 K. Both dc magnetic susceptibility or specific heat measurements indicated the bulk superconductivity nature of the sample. We also have successfully grown single crystals of the (Ca₀.₃₃Na₀.₆₆)Fe₂As₂ superconductors. The single crystals exhibit sharp superconducting transitions with T(c) above 33 K. The effects of magnetic field on the superconducting transitions are studied, giving rise to high upper critical fields with H(c₂)(c)≈85 T and H(c₂)(ab)≈172 T, respectively. The anisotropy parameter was calculated to be around 2.
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