Description
Lamins are components of the nuclear lamina, a fibrous layer on the nucleoplasmic side of the inner nuclear membrane, which is thought to provide a framework for the nuclear envelope and may also interact with chromatin (PubMed:3126192, PubMed:15035436). May have a role in the localization of the LEM domain proteins Ote, bocks and MAN1 to the nuclear membrane (PubMed:15035436, PubMed:16439308). In spermatocytes, plays a role in maintaining type-A lamin LamC nuclear localization; regulates meiotic cytokinesis by maintaining the structure of the spindle envelope, and by contributing to the formation of the contractile ring and central spindle (PubMed:27402967).
Lamins are components of the nuclear lamina, a fibrous layer on the nucleoplasmic side of the inner nuclear membrane, which is thought to provide a framework for the nuclear envelope and may also interact with chromatin (By similarity). In spermatocytes, regulates cytokinesis during meiosis (PubMed:27402967).
Subcellular location
Nucleus
Nuclear periphery (PubMed:7593280). At metaphase and anaphase, weakly expressed in the nuclear envelope and spindle poles (PubMed:16439308). Expression in oocyte cytoplasm increases after stages 6 to 7 of egg development (PubMed:9199347). In spermatocytes detected at the spindle envelope, spindle poles and astral membrane throughout meiosis I, whereas mostly depleted in meiosis II (PubMed:27402967). Colocalizes with nuclear pore complex component Nup107 throughout meiosis I (PubMed:27402967). With evidence from 7 publications.
Nucleus inner membrane
Nuclear periphery (PubMed:7593280). At metaphase and anaphase, weakly expressed in the nuclear envelope and spindle poles (PubMed:16439308). Expression in oocyte cytoplasm increases after stages 6 to 7 of egg development (PubMed:9199347). In spermatocytes detected at the spindle envelope, spindle poles and astral membrane throughout meiosis I, whereas mostly depleted in meiosis II (PubMed:27402967). Colocalizes with nuclear pore complex component Nup107 throughout meiosis I (PubMed:27402967). With evidence from 7 publications.
Nucleus envelope
Nuclear periphery (PubMed:7593280). At metaphase and anaphase, weakly expressed in the nuclear envelope and spindle poles (PubMed:16439308). Expression in oocyte cytoplasm increases after stages 6 to 7 of egg development (PubMed:9199347). In spermatocytes detected at the spindle envelope, spindle poles and astral membrane throughout meiosis I, whereas mostly depleted in meiosis II (PubMed:27402967). Colocalizes with nuclear pore complex component Nup107 throughout meiosis I (PubMed:27402967). With evidence from 7 publications.
Nucleus lamina
Nuclear periphery (PubMed:7593280). At metaphase and anaphase, weakly expressed in the nuclear envelope and spindle poles (PubMed:16439308). Expression in oocyte cytoplasm increases after stages 6 to 7 of egg development (PubMed:9199347). In spermatocytes detected at the spindle envelope, spindle poles and astral membrane throughout meiosis I, whereas mostly depleted in meiosis II (PubMed:27402967). Colocalizes with nuclear pore complex component Nup107 throughout meiosis I (PubMed:27402967). With evidence from 7 publications.
Cytoplasm
Nuclear periphery (PubMed:7593280). At metaphase and anaphase, weakly expressed in the nuclear envelope and spindle poles (PubMed:16439308). Expression in oocyte cytoplasm increases after stages 6 to 7 of egg development (PubMed:9199347). In spermatocytes detected at the spindle envelope, spindle poles and astral membrane throughout meiosis I, whereas mostly depleted in meiosis II (PubMed:27402967). Colocalizes with nuclear pore complex component Nup107 throughout meiosis I (PubMed:27402967). With evidence from 7 publications.
Cytoskeleton
Nuclear periphery (PubMed:7593280). At metaphase and anaphase, weakly expressed in the nuclear envelope and spindle poles (PubMed:16439308). Expression in oocyte cytoplasm increases after stages 6 to 7 of egg development (PubMed:9199347). In spermatocytes detected at the spindle envelope, spindle poles and astral membrane throughout meiosis I, whereas mostly depleted in meiosis II (PubMed:27402967). Colocalizes with nuclear pore complex component Nup107 throughout meiosis I (PubMed:27402967). With evidence from 7 publications.
Spindle pole
Nuclear periphery (PubMed:7593280). At metaphase and anaphase, weakly expressed in the nuclear envelope and spindle poles (PubMed:16439308). Expression in oocyte cytoplasm increases after stages 6 to 7 of egg development (PubMed:9199347). In spermatocytes detected at the spindle envelope, spindle poles and astral membrane throughout meiosis I, whereas mostly depleted in meiosis II (PubMed:27402967). Colocalizes with nuclear pore complex component Nup107 throughout meiosis I (PubMed:27402967). With evidence from 7 publications.