ODCP (ornithine decarboxylase pseudogene)

symbol
ODCP
locus group
pseudogene
location
7q32.1
gene_family
-
alias symbol
-
alias name
None
entrez id
4954
ensembl gene id
ENSG00000244556
ucsc gene id
-
refseq accession
NG_023428
hgnc_id
HGNC:8110
approved reserved
2001-06-22
7q32.1

ODCP(Outer Dense Fiber of Sperm Tail 2,ODF2)是精子尾部外致密纤维的主要组成蛋白之一,属于ODF基因家族。该基因家族编码的蛋白质主要参与精子尾部结构的形成和稳定,对精子的运动功能至关重要。ODCP在精子发生过程中特异性表达,其表达产物ODF2蛋白是精子鞭毛外致密纤维的核心成分,为精子尾部提供机械支撑并维持其刚性结构,从而保障精子鞭毛的摆动能力和运动效率。ODCP的功能异常或表达量变化会直接影响精子的活力与形态,研究表明该基因突变可能导致精子鞭毛结构紊乱、运动障碍,甚至引发男性不育症。ODCP过表达可能干扰其他鞭毛相关蛋白(如AKAP4、SPAG16等)的组装平衡,造成精子尾部超微结构异常;而表达降低则会导致外致密纤维发育不全,削弱精子运动能力。此外,ODF2蛋白还参与中心粒稳定性维持,与纤毛发生和细胞分裂有关,因此ODCP功能缺陷可能影响纤毛相关疾病(如原发性纤毛运动障碍)。ODF基因家族的共性在于编码精子特异性结构蛋白,均具有高度保守的卷曲螺旋结构域,这些蛋白通过相互作用形成精子尾部特有的细胞骨架网络。目前针对ODCP的研究主要集中于男性生殖领域,其表达水平可作为精子质量评估的潜在分子标志物。

Nucleotide sequence of ODCP:[NCBI]
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Forward Primer
Forward Tm
Reverse Primer
Reverse Tm
Score
GGAAGTAGCTGTACCAATCC
58
AGACACAGTGGACATTGGAG
60
AAGTACACTGCCAATAATGGAG
59
ACATCAACTTGACCTCATTACC
59
AGTACACTGCCAATAATGGAG
58
GACATCAACTTGACCTCATTACC
60
Expression of ODC Antizyme Inhibitor 2 (AZIN2) in Human Secretory Cells and Tissues.
Rasila Tiina, Lehtonen Alexandra, Kanerva Kristiina, Mäkitie Laura T, Haglund Caj, Andersson Leif C PLoS One IF: 2.6 2016-11-09
Human ornithine decarboxylase paralogue (ODCp) is an antizyme inhibitor but not an arginine decarboxylase.
Kanerva Kristiina, Mäkitie Laura T, Pelander Anna, Heiskala Marja, Andersson Leif C Biochem J IF: 3.9 2008-01-08
Mouse ornithine decarboxylase-like gene encodes an antizyme inhibitor devoid of ornithine and arginine decarboxylating activity.
López-Contreras Andrés J, López-Garcia Carlos, Jiménez-Cervantes Celia, Cremades Asunción, Peñafiel Rafael J Biol Chem IF: 4.1 2006-11-27
Chromosomal assignment of 11 loci in the rat by mouse-rat somatic hybrids and linkage.
Deng A Y, Gu L, Rapp J P, Szpirer C, Szpirer J Mamm Genome IF: 2.6 1995-03-31

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