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153 results on '"Chou, M M"'

1. Authors' response Re: Some concerns regarding aortic cross‐clamping in caesarean hysterectomy for placenta accreta spectrum (Re: Vascular control by infrarenal aortic cross‐clamping in placenta accreta spectrum disorders: description of technique; something old, something new & something borrowed)

Author

Chou, M‐M, primary, Su, H‐W, additional, Chen, M‐J, additional, Kung, H‐F, additional, Tseng, J‐J, additional, Chen, W‐C, additional, Chen, Y‐F, additional, and Yuan, J‐C, additional

Published
2021
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9. Vascular control by infrarenal aortic cross‐clamping in placenta accreta spectrum disorders: description of technique.

Author

Chou, M‐M, Chen, M‐J, Su, H‐W, Chan, C‐W, Kung, H‐F, Tseng, J‐J, Chen, W‐C, Chen, Y‐F, and Yuan, J‐C

Subjects
*PLACENTA accreta, *OPERATIVE surgery, *HYSTERECTOMY
Abstract

We describe a novel surgical technique in 31 women with histopathologically confirmed placenta accreta spectrum (PAS) disorders managed by a multidisciplinary team using a prophylactic infrarenal abdominal aortic cross‐clamping technique during caesarean hysterectomy. We conclude that this new surgical procedure is a relatively safe technique to potentially control operative blood loss. Our work may stimulate others to develop protocols assessing this innovative technique to improve the surgical outcome of PAS disorders. [ABSTRACT FROM AUTHOR]

Published
2021
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18. Antiphase ordering and surface phases in lithium aluminate.

Author

Vanfleet, R. R., Simmons, J. A., Hill, D. W., Chou, M. M. C., and Chai, B. H.

Subjects
LITHIUM, ALUMINATES, CRYSTAL whiskers, EPITAXY, SUBSTRATES (Materials science), SEMICONDUCTOR wafers
Abstract

Antiphase domains are seen in single crystal gamma lithium aluminate (γ-LiAlO2) with 16.7 nm periodicity in the <110> direction. Alternate domains have a 12 [001] shift. Beta phase lithium aluminate (β-LiAlO2) is seen to form on the surface of the as-received wafers with an epitaxial strain limited relationship with the bulk γ phase. The orthorhombic β phase aligns with the a and b axes (0.528 and 0.630 nm) matching with the tetragonal γ phase’s a and c axes (0.5168 and 0.6268 nm). The γ and β phases are seen to have different etch rates. The β phase converts back to the γ phase above 450 °C. [ABSTRACT FROM AUTHOR]

Published
2008
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28. SIRT1 Is Essential for Normal Cognitive Function and Synaptic Plasticity

Author

Michan, S., primary, Li, Y., additional, Chou, M. M.-H., additional, Parrella, E., additional, Ge, H., additional, Long, J. M., additional, Allard, J. S., additional, Lewis, K., additional, Miller, M., additional, Xu, W., additional, Mervis, R. F., additional, Chen, J., additional, Guerin, K. I., additional, Smith, L. E. H., additional, McBurney, M. W., additional, Sinclair, D. A., additional, Baudry, M., additional, de Cabo, R., additional, and Longo, V. D., additional

Published
2010
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30. Impact of nitridation on structural and optical properties of MOVPE-grown m-plane GaN layers on LiAlO2

Author

Mauder, C., primary, Rahimzadeh Khoshroo, L., additional, Behmenburg, H., additional, Reuters, B., additional, Bösing, M., additional, Rzheutskii, M. V., additional, Lutsenko, E. V., additional, Yablonskii, G. P., additional, Woitok, J. F., additional, Chou, M. M. C., additional, Heuken, M., additional, Kalisch, H., additional, and Jansen, R. H., additional

Published
2009
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32. m -plane GaN/InGaN/AlInN on LiAlO2 grown by MOVPE

Author

Behmenburg, H., primary, Wen, T. C., additional, Dikme, Y., additional, Mauder, C., additional, Khoshroo, L. Rahimzadeh, additional, Chou, M. M. C., additional, Rzheutskii, M. V., additional, Lutsenko, E. V., additional, Yablonskii, G. P., additional, Woitok, J., additional, Kalisch, H., additional, Jansen, R. H., additional, and Heuken, M., additional

Published
2008
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46. Correlation between Helicobacter pylori infection and gastrointestinal symptoms in pregnancy.

Author

Wu, Chun-Ying, Tseng, Jenn-Jhy, Chou, Min-Min, Lin, Sheng-Kai, Poon, Sek-Kwang, Chen, Gran-Hum, Wu, C Y, Tseng, J J, Chou, M M, Lin, S K, Poon, S K, and Chen, G H

Abstract

Nausea, vomiting, and other dyspeptic symptoms are common in pregnancy. This hospital-based, cross-sectional study was designed to determine the role of Helicobacter pylori infection in gastrointestinal (GI) symptoms during pregnancy. Standardized verbal scales were used to evaluate the frequency and severity of GI symptoms in 54 women whose pregnancies were in the first 16 gestational weeks. H. pylori infection was defined as a positive serum immunoglobulin G result on an immunochromatographic assay. The H. pylori seropositivity rate was higher in the pregnant women (69%) than in the general population (approximately 50%-55%), but seropositivity did not correlate with clinical symptoms. Moreover, no specific patterns of GI symptoms were uncovered in the H. pylori-infected patients. Maternal age, body weight, parity, gestational week, and educational level were not associated with H. pylori infection; neither were the prevalence and severity of GI symptoms. [ABSTRACT FROM AUTHOR]

Published
2000
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47. Atypical protein kinases Clambda and -zeta associate with the GTP-binding protein Cdc42 and mediate stress fiber loss.

Author

Coghlan, M P, Chou, M M, and Carpenter, C L

Abstract

Both the Rho family of low-molecular-weight GTP-binding proteins and protein kinases C (PKCs) mediate responses to a variety of extracellular and intracellular signals. They share many downstream targets, including remodeling of the actin cytoskeleton, activation of p70(S6) kinase and c-jun N-terminal kinase (JNK), and regulation of transcription and cell proliferation. We therefore investigated whether Rho family GTP-binding proteins bind to PKCs. We found that Cdc42 associates with atypical PKCs (aPKCs) PKCzeta and -lambda in a GTP-dependent manner. The regulatory domain of the aPKCs mediates the interaction. Expression of activated Cdc42 results in the translocation of PKClambda from the nucleus into the cytosol, and Cdc42 and PKClambda colocalize at the plasma membrane and in the cytoplasm. Expression of activated Cdc42 leads to a loss of stress fibers, as does overexpression of either the wild type or an activated form of PKClambda. Kinase-dead PKClambda and -zeta constructs acted as dominant negatives and restored stress fibers in cells expressing the activated V12 Cdc42 mutant, indicating that Cdc42-dependent loss of stress fibers requires aPKCs. Kinase-dead PKClambda and -zeta and dominant-negative N17 Cdc42 also blocked Ras-induced loss of stress fibers, suggesting that this pathway may also be important for Ras-dependent cytoskeletal changes. N17 Rac did not block Ras-induced loss of stress fibers, nor did kinase-dead PKClambda block V12 Rac-stimulated loss of stress fibers. These results indicate that Cdc42 and Rac use different pathways to regulate stress fibers.

Published
2000

49. A novel ligand for SH3 domains. The Nck adaptor protein binds to a serine/threonine kinase via an SH3 domain.

Author

Chou, M M and Hanafusa, H

Abstract

We have previously shown that overexpression of the SH2- and SH3-containing Nck adaptor protein causes transformation of mammalian fibroblast. To elucidate the mechanism by which it deregulates growth, we have sought to identify potential effectors for Nck. We report that a serine/threonine kinase, which we term NAK (for Nck-associated kinase), associates with Nck in vivo and in vitro. Using glutathione S-transferase fusion proteins generated with isolated domains of Nck, we demonstrate that NAK binds specifically to the second of Nck's three SH3 domains. NAK is complexed with Nck in a wide variety of cell types, including NIH3T3, A431, PC12, and Hela cells.

Published
1995

50. PDGF signalling is required for gastrulation of Xenopus laevis.

Author

Ataliotis, P, Symes, K, Chou, M M, Ho, L, and Mercola, M

Abstract

During Xenopus gastrulation, platelet-derived growth factor (PDGF) receptor-alpha is expressed in involuting marginal zone cells which migrate over ectodermal cells expressing PDGF-A. To investigate the role of PDGF signalling during this process, we have generated a novel point mutant of PDGF receptor-alpha analogous to the W37 mutation of c-kit. This molecule is a specific, potent, dominant inhibitor of PDGF signalling in vivo. Injection of RNA encoding this protein into Xenopus embryos prevents closure of the blastopore, leads to abnormal gastrulation and a loss of anterior structures. Convergent extension is not inhibited in these embryos, but rather, involuting mesodermal cells fail to adhere to the overlying ectoderm. PDGF may therefore be required for mesodermal cell-substratum interaction.

Published
1995

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