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KIF3B

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https://www.readbyqxmd.com/read/29037933/role-of-maternal-xenopus-syntabulin-in-germ-plasm-aggregation-and-primordial-germ-cell-specification
#1
Denise Oh, Douglas W Houston
The localization and organization of mitochondria- and ribonucleoprotein granule-rich germ plasm is essential for many aspects of germ cell development. In Xenopus, germ plasm is maternally inherited and is required for the specification of primordial germ cells (PGCs). Germ plasm is aggregated into larger patches during egg activation and cleavage and is ultimately translocated perinuclearly during gastrulation. Although microtubule dynamics and a kinesin (Kif4a) have been implicated in Xenopus germ plasm localization, little is known about how germ plasm distribution is regulated...
October 14, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28855254/the-cytoplasmic-tail-of-rhodopsin-triggers-rapid-rod-degeneration-in-kinesin-2-mutants
#2
Dong Feng, Zhe Chen, Kuang Yang, Shanshan Miao, Bolin Xu, Yunsi Kang, Haibo Xie, Chengtian Zhao
Photoreceptor degeneration can lead to blindness and represents the most common form of neural degenerative disease worldwide. Although many genes involved in photoreceptor degeneration have been identified, the underlying mechanisms remain to be elucidated. Here we examined photoreceptor development in zebrafish kif3a and kif3b mutants, which affect two subunits of the kinesin-2 complex. In both mutants, rods degenerated quickly, whereas cones underwent a slow degeneration process. Notably, the photoreceptor defects were considerably more severe in kif3a mutants than in kif3b mutants...
October 20, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28808088/the-armadillo-protein-p0071-controls-kif3-motor-transport
#3
Alexander Becher, Tim Eiseler, Marc Porzner, Paul Walther, René Keil, Susanne Bobrovich, Mechthild Hatzfeld, Thomas Seufferlein
We here report a novel function of the armadillo protein p0071 (also known as PKP4) during transport mediated by the KIF3 transport complex. Secretion of chromogranin A and matrix metallopeptidase 9 from pancreatic neuroendocrine tumor cells or pancreatic cancer cells, respectively, was substantially reduced following knockdown of p0071. Vesicle tracking indicated that there was impaired directional persistence of vesicle movement upon p0071 depletion. This suggests a disturbed balance between plus- and minus-end directed microtubule transport in cells lacking p0071...
October 1, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28689636/dynamic-transcription-and-expression-patterns-of-kif3a-and-kif3b-genes-during-spermiogenesis-in-the-shrimp-palaemon-carincauda
#4
Yong-Qiang Zhao, Hai-Yan Yang, Dan-Dan Zhang, Ying-Li Han, Cong-Cong Hou, Jun-Quan Zhu
Spermiogenesis is a highly ordered and complex process in the male germ cell differentiation. The microtubule-based motor proteins KIF3A and KIF3B are required for the progression of the stages of spermiogenesis. In this study, the main goal was to determine whether KIF3A and KIF3B have a key role in spermiogenesis in Palaemon carincauda. The complete cDNA of KIF3A/3B from the testis of P. carincauda was cloned by using PCR and rapid amplification of cDNA ends (RACE). The predicted secondary and tertiary structures of KIF3A/3B contained three domains which were the: a) head region, b) stalk region, and c) tail region...
July 1, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28298306/il-1%C3%AE-induces-nf-%C3%AE%C2%BAb-and-upregulates-microrna-372-to-inhibit-spinal-cord-injury-recovery
#5
Wei Zhou, Tongzhou Yuan, Youshui Gao, Peipei Yin, Wei Liu, Chenhao Pan, Yingjie Liu, Xiaowei Yu
Excessive inflammation including IL-1β-initiated signaling is among the earlies reactions that can cause neuronal damage following spinal cord injury (SCI). It has been suggested that microRNAs may participate in stem cell repair to facilitate functional recovery following SCI. In this study we have shown that in cultured human neural stem cells (hNSC), IL-1β reduced the expression of both KIF3B (kinesin family member 3B) and NOSIP (nitric oxide synthase-interacting protein), two key modulators for restricting inflammation and promoting neuronal regeneration...
June 1, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28161539/a-novel-role-of-kif3b-in-the-seminoma-cell-cycle
#6
Hao-Qing Shen, Yu-Xi Xiao, Zhen-Yu She, Fu-Qing Tan, Wan-Xi Yang
KIF3b is a protein of the kinesin-2 family which plays an important role in intraflagellar transport. Testis cancer is a common cancer among young men. Its diagnostic rate is increasing and over half of the cases are seminomas. Many aspects of the mechanism and gene expression background of this cancer remain unclear. Using western-blotting and semi-quantitative PCR we found high protein levels of KIF3b enrichment in seminoma tissue despite the mRNA levels remaining equivalent to that of normal testicular tissues...
March 1, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/27723755/simul-seq-combined-dna-and-rna-sequencing-for-whole-genome-and-transcriptome-profiling
#7
Jason A Reuter, Damek V Spacek, Reetesh K Pai, Michael P Snyder
Paired DNA and RNA profiling is increasingly employed in genomics research to uncover molecular mechanisms of disease and to explore personal genotype and phenotype correlations. Here, we introduce Simul-seq, a technique for the production of high-quality whole-genome and transcriptome sequencing libraries from small quantities of cells or tissues. We apply the method to laser-capture-microdissected esophageal adenocarcinoma tissue, revealing a highly aneuploid tumor genome with extensive blocks of increased homozygosity and corresponding increases in allele-specific expression...
November 2016: Nature Methods
https://www.readbyqxmd.com/read/26937622/perianal-crohn-s-disease-is-associated-with-distal-colonic-disease-stricturing-disease-behavior-ibd-associated-serologies-and-genetic-variation-in-the-jak-stat-pathway
#8
COMPARATIVE STUDY
Manreet Kaur, Deepa Panikkath, Xiaofei Yan, Zhenqiu Liu, Dror Berel, Dalin Li, Eric A Vasiliauskas, Andrew Ippoliti, Marla Dubinsky, David Q Shih, Gil Y Melmed, Talin Haritunians, Phillip Fleshner, Stephan R Targan, Dermot P B McGovern
BACKGROUND: Perianal Crohn's Disease (pCD) is a particularly severe phenotype associated with poor quality of life with a reported prevalence of 12%-40%. Previous studies investigating the etiology of pCD have been limited in the numbers of subjects and the intensity of genotyping. The aim of this study was to identify clinical, serological, and genetic factors associated with pCD. METHODS: We performed a case-control study comparing patients with (pCD+) and without perianal (pCD) involvement in CD; defined as the presence of perianal abscesses or fistulae...
April 2016: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/25588831/the-heterotrimeric-kinesin-2-complex-interacts-with-and-regulates-gli-protein-function
#9
Brandon S Carpenter, Renee L Barry, Kristen J Verhey, Benjamin L Allen
GLI transport to the primary cilium and nucleus is required for proper Hedgehog (HH) signaling; however, the mechanisms that mediate these trafficking events are poorly understood. Kinesin-2 motor proteins regulate ciliary transport of cargo, yet their role in GLI protein function remains unexplored. To examine a role for the heterotrimeric KIF3A-KIF3B-KAP3 kinesin-2 motor complex in regulating GLI activity, we performed a series of structure-function analyses using biochemical, cell signaling and in vivo approaches that define novel specific interactions between GLI proteins and two components of this complex, KAP3 and KIF3A...
March 1, 2015: Journal of Cell Science
https://www.readbyqxmd.com/read/25581648/dual-trait-selection-for-ethanol-consumption-and-withdrawal-genetic-and-transcriptional-network-effects
#10
Pamela Metten, Ovidiu D Iancu, Stephanie E Spence, Nicole A R Walter, Denesa Oberbeck, Christina A Harrington, Alexandre Colville, Shannon McWeeney, Tamara J Phillips, Kari J Buck, John C Crabbe, John K Belknap, Robert J Hitzemann
BACKGROUND: Data from C57BL/6J (B6) × DBA/2J (D2) F2 intercrosses (B6xD2 F2 ), standard and recombinant inbred strains, and heterogeneous stock mice indicate that a reciprocal (or inverse) genetic relationship exists between alcohol consumption and withdrawal severity. Furthermore, some genetic studies have detected reciprocal quantitative trait loci (QTLs) for these traits. We used a novel mouse model developed by simultaneous selection for both high alcohol consumption/low withdrawal and low alcohol consumption/high withdrawal and analyzed the gene expression and genome-wide genotypic differences...
December 2014: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/25243405/regulation-of-cilium-length-and-intraflagellar-transport-by-the-rck-kinases-ick-and-mok-in-renal-epithelial-cells
#11
Joost R Broekhuis, Kristen J Verhey, Gert Jansen
Primary cilia are important sensory organelles. They exist in a wide variety of lengths, which could reflect different cell-specific functions. How cilium length is regulated is unclear, but it probably involves intraflagellar transport (IFT), which transports protein complexes along the ciliary axoneme. Studies in various organisms have identified the small, conserved family of ros-cross hybridizing kinases (RCK) as regulators of cilium length. Here we show that Intestinal Cell Kinase (ICK) and MAPK/MAK/MRK overlapping kinase (MOK), two members of this family, localize to cilia of mouse renal epithelial (IMCD-3) cells and negatively regulate cilium length...
2014: PloS One
https://www.readbyqxmd.com/read/25203204/flipping-a-phosphate-switch-on-kinesin-ii-to-turn-ift-around
#12
COMMENT
Branch Craige, George B Witman
Cilia and flagella are assembled and maintained by the motor-driven, bidirectional traffic of large protein complexes in a process termed intraflagellar transport (IFT). In this issue of Developmental Cell, Liang et al. (2014) report that IFT is regulated in part by the phosphorylation status of the kinesin-II subunit FLA8/KIF3B.
September 8, 2014: Developmental Cell
https://www.readbyqxmd.com/read/25175706/fla8-kif3b-phosphorylation-regulates-kinesin-ii-interaction-with-ift-b-to-control-ift-entry-and-turnaround
#13
Yinwen Liang, Yunong Pang, Qiong Wu, Zhangfeng Hu, Xue Han, Yisheng Xu, Haiteng Deng, Junmin Pan
The assembly and maintenance of cilia depends on intraflagellar transport (IFT). Activated IFT motor kinesin-II enters the cilium with loaded IFT particles comprising IFT-A and IFT-B complexes. At the ciliary tip, kinesin-II becomes inactivated, and IFT particles are released. Moreover, the rate of IFT entry is dynamically regulated during cilium assembly. However, the regulatory mechanism of IFT entry and loading/unloading of IFT particles remains elusive. We show that the kinesin-II motor subunit FLA8, a homolog of KIF3B, is phosphorylated on the conserved S663 by a calcium-dependent kinase in Chlamydomonas...
September 8, 2014: Developmental Cell
https://www.readbyqxmd.com/read/25122755/kinesin-2-kif3ab-exhibits-novel-atpase-characteristics
#14
Clayton D Albracht, Katherine C Rank, Steven Obrzut, Ivan Rayment, Susan P Gilbert
KIF3AB is an N-terminal processive kinesin-2 family member best known for its role in intraflagellar transport. There has been significant interest in KIF3AB in defining the key principles that underlie the processivity of KIF3AB in comparison with homodimeric processive kinesins. To define the ATPase mechanism and coordination of KIF3A and KIF3B stepping, a presteady-state kinetic analysis was pursued. For these studies, a truncated murine KIF3AB was generated. The results presented show that microtubule association was fast at 5...
October 3, 2014: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/24870586/functional-analysis-of-kif3a-and-kif3b-during-spermiogenesis-of-chinese-mitten-crab-eriocheir-sinensis
#15
Yang Lu, Qi Wang, Da-Hui Wang, Hong Zhou, Yan-Jun Hu, Wan-Xi Yang
BACKGROUND: Spermatogenesis represents the transformation process at the level of cellular development. KIF3A and KIF3B are believed to play some roles in the assembly and maintenance of flagella, intracellular transport of materials including organelles and proteins, and other unknown functions during this process. During spermatogenesis in Eriocheir sinensis, if the sperm shaping machinery is dependent on KIF3A and KIF3B remains unknown. METHODOLOGY/PRINCIPAL FINDINGS: The cDNA of KIF3A and KIF3B were obtained by designing degenerate primers, 3'RACE, and 5'RACE...
2014: PloS One
https://www.readbyqxmd.com/read/24368420/suppression-of-kif3b-expression-inhibits-human-hepatocellular-carcinoma-proliferation
#16
Xiaodong Huang, Fang Liu, Changlai Zhu, Jing Cai, Hua Wang, Xinxiu Wang, Song He, Cheng Liu, Li Yao, Zongmei Ding, Yixin Zhang, Tianyi Zhang
BACKGROUND: Human hepatocellular carcinoma (HCC) is one of the most common fatal cancers and an important health problem worldwide, but its mechanism is still unclear. Microtubule (MT) kinesin motor proteins orchestrate a variety of cellular processes (e.g. mitosis, motility and organelle transportation) and have been involved in human carcinogenesis. KIF3B, the kinesin superfamily of proteins (KIFs), plays an important role in the regulation of mitotic progression. AIM: The expression of KIF3B and its involvement in HCC was investigated...
April 2014: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/24338362/popx2-phosphatase-regulates-the-kif3-kinesin-motor-complex
#17
Hui-Qun Phang, Jing-Ling Hoon, Soak-Kuan Lai, Yukai Zeng, Keng-Hwee Chiam, Hoi-Yeung Li, Cheng-Gee Koh
The kinesin motors are important in the regulation of cellular functions such as protein trafficking, spindle organization and centrosome separation. In this study, we have identified POPX2, a serine-threonine phosphatase, as an interacting partner of the KAP3 subunit of the kinesin-2 motor. The kinesin-2 motor is a heterotrimeric complex composed of KIF3A, KIF3B motor subunits and KAP3, the non-motor subunit, which binds the cargo. Here we report that the phosphatase POPX2 is a negative regulator of the trafficking of N-cadherin and other cargoes; consequently, it markedly influences cell-cell adhesion...
February 15, 2014: Journal of Cell Science
https://www.readbyqxmd.com/read/24217388/gain-of-20q11-21-in-human-embryonic-stem-cells-improves-cell-survival-by-increased-expression-of-bcl-xl
#18
H T Nguyen, M Geens, A Mertzanidou, K Jacobs, C Heirman, K Breckpot, C Spits
Gain of 20q11.21 is a chromosomal abnormality that is recurrently found in human pluripotent stem cells and cancers, strongly suggesting that this mutation confers a proliferative or survival advantage to these cells. In this work we studied three human embryonic stem cell (hESC) lines that acquired a gain of 20q11.21 during in vitro culture. The study of the mRNA gene expression levels of the loci located in the common region of duplication showed that HM13, ID1, BCL2L1, KIF3B and the immature form of the micro-RNA miR-1825 were up-regulated in mutant cells...
February 2014: Molecular Human Reproduction
https://www.readbyqxmd.com/read/23946439/differential-roles-for-3-osts-in-the-regulation-of-cilia-length-and-motility
#19
Judith M Neugebauer, Adam B Cadwallader, Jeffrey D Amack, Brent W Bisgrove, H Joseph Yost
As cells integrate molecular signals from their environment, cell surface receptors require modified proteoglycans for the robust activation of signaling pathways. Heparan sulfate proteoglycans (HSPGs) have long unbranched chains of repetitive disaccharide units that can be sulfated at specific positions by heparan sulfate O-sulfotransferase (OST) families. Here, we show that two members of the 3-OST family are required in distinct signaling pathways to control left-right (LR) patterning through control of Kupffer's vesicle (KV) cilia length and motility...
September 2013: Development
https://www.readbyqxmd.com/read/23123805/kinesin-2-family-motors-in-the-unusual-photoreceptor-cilium
#20
REVIEW
Jarema Malicki, Joseph C Besharse
This review focuses on recent advances in the understanding of kinesin-2 family motors in vertebrate photoreceptor development. Zebrafish photoreceptors develop by the 3rd day of embryogenesis, making it possible to study mutant phenotypes without the use of conditional alleles. Recent work using a zebrafish kif3b mutant allele validates the concept that the heterotrimeric kinesin II motor is generally required for ciliogenesis. In zebrafish photoreceptors, however, loss of kif3b function delays but does not block cilium formation...
December 15, 2012: Vision Research
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