Search Results - "Yurchenko, Olga V."

Nervous system development in the Pacific oyster, Crassostrea gigas (Mollusca: Bivalvia) by Yurchenko, Olga V, Skiteva, Olga I, Voronezhskaya, Elena E, Dyachuk, Vyacheslav A

“…Bivalves comprise a large, highly diverse taxon of invertebrate species. Developmental studies of neurogenesis among species of Bivalvia are limited. Due to a…”
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Peripheral sensory neurons govern development of the nervous system in bivalve larvae by Yurchenko, Olga V, Savelieva, Anna V, Kolotuchina, Natalia K, Voronezhskaya, Elena E, Dyachuk, Vyacheslav A

“…Recent findings regarding early lophotrochozoan development have altered the conventional model of neurogenesis and revealed that peripheral sensory elements…”
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Integrated assessment of the acclimation capacity of the marine bivalve Crenomytilus grayanus under naturally highly contaminated conditions: Subcellular distribution of trace metals and structural alterations of nephrocytes by Kavun, Victor Ya, Yurchenko, Olga V., Podgurskaya, Olga V.

“…The aim of our work was to assess whether the cellular processes in the nephrocytes of the long-lived mussel Crenomytilus grayanus tend to acclimation or…”
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Morphological aspects of oogenesis in the deep-sea clam Calyptogena pacifica (Pliocardiinae; Vesicomyidae) by Yurchenko, Olga V., Borzykh, Oleg G., Kalachev, Alexander V.

“…The ultrastructure of oogenic cells and mature oocytes has been described in a deep-sea clam, Calyptogena pacifica , for the first time. Specimens were…”
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Role of DNA hypomethylation in the development of the resistance to doxorubicin in human MCF-7 breast adenocarcinoma cells by Chekhun, Vasil F., Kulik, Galina I., Yurchenko, Olga V., Tryndyak, Volodymyr P., Todor, Igor N., Luniv, Liliana S., Tregubova, Nadiya A., Pryzimirska, Tamara V., Montgomery, Beverly, Rusetskaya, Nataliya V., Pogribny, Igor P.

“…The resistance of cancer cells to chemotherapeutic agents is a major clinical problem and an important cause of treatment failure in cancer. Mechanisms that…”
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Sperm morphology and some aspects of acrosomal complex development in four species of Heteronemertea (Pilidiophora, Nemertea) by Yurchenko, Olga V., Chernyshev, Alexey V.

“…The ultrastructure of sperm morphology and some aspects of acrosomal complex development were examined in Kulikovia alborostrata, K. torquata, Kulikovia sp.,…”
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Spermatozoa ultrastructure of two basal pilidiophoran nemerteans, Hubrechtella juliae and Sonnenemertes cantelli (Nemertea, Pilidiophora) by Chernyshev, Alexei V., Neznanova, Svetlana Yu, Yurchenko, Olga V.

“…•Spermatozoa of two basal nemerteans have been studied at the ultrastructural level.•Both species have primitive spermatozoa with ovoid head and five…”
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Ultrastructural aspects of spermatogenesis in Calyptogena pacifica Dall 1891 (Vesicomyidae; Bivalvia) by Yurchenko, Olga V., Borzykh, Oleg G., Kalachev, Alexander V.

“…The process of spermatogenesis and spermatozoon morphology was characterized from a deep‐sea bivalve, Calyptogena pacifica (Vesicomyidae, Pliocardiinae), a…”
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Morphology of nutrient storage cells in the gonadal area of the Pacific oyster, Crassostrea gigas (Thunberg, 1793) by Yurchenko, Olga V., Kalachev, Alexander V.

“…•Oysters accumulate glycogen and lipids within a single cell type, the VCT-cells.•VCT-cells are morphologically similar to brown adipocytes of mammals.•The…”
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Autophagy in nutrient storage cells of the Pacific oyster, Crassostrea gigas by Kalachev, Alexander V., Yurchenko, Olga V.

“…•Number of autophagosomes in nutrient storage cells increases during gametogenesis.•Number of autophagosomes in nutrient storage cells in females is higher…”
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Microscopic anatomy of gonadal area in the deep-sea clam Calyptogena pacifica (Bivalvia: Vesicomyidae) with emphasis on somatic cells by Yurchenko, Olga V., Borzykh, Oleg G., Kalachev, Alexander V.

“…•Interacinar space is filled by hemocytes and muscle cells.•In males, numerous accessory cells are present in pre-spawning acini.•In females, accessory cells…”
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The adaptor protein SH2D1A regulates signaling through CD150 (SLAM) in B cells by Mikhalap, Svitlana V., Shlapatska, Larysa M., Yurchenko, Olga V., Yurchenko, Maria Y., Berdova, Ganna G., Nichols, Kim E., Clark, Edward A., Sidorenko, Svetlana P.

“…The CD150 receptor is expressed on activated T and B lymphocytes, dendritic cells, and monocytes. A TxYxxV/I motif in the CD150 cytoplasmic tail can bind…”
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Microautophagy in nutritive phagocytes of sea urchins by Kalachev, Alexander V., Yurchenko, Olga V.

“…Two types of cells were observed in germinative epithelium of male and female sea urchins: germ cells and somatic accessory cells; the latter referred to as…”
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A comparative morphological study of the testes, spermatogenesis, and spermatozoa in two nemertean species, Callinera sp. and Parahubrechtia sp. (Palaeonemertea, Tubulanidae) by Yurchenko, Olga V., Neznanova, Svetlana Yu, Chernyshev, Alexei V.

“…The testis morphology, spermatogenesis, and the spermatozoon structure in two palaeonemerteans, Callinera sp. and Parahubrechtia sp., have been examined by…”
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Fine structure of the gametes and spermiogenesis in Spiophanes uschakowi (Annelida: Spionidae) from the Sea of Japan, with comments on fertilization biology in broadcast-spawning spionids by Radashevsky, Vasily I., Yurchenko, Olga V., Alexandrova, Yana N.

“…•We describe the structure of the oocytes and spermiogenesis of a polychaete.•The oocytes are lentiform, with honey-combed envelope and 41–49 cortical…”
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MicroRNA-mediated drug resistance in breast cancer by Kutanzi, Kristy R, Yurchenko, Olga V, Beland, Frederick A, Checkhun, Vasyl' F, Pogribny, Igor P

“…Chemoresistance is one of the major hurdles to overcome for the successful treatment of breast cancer. At present, there are several mechanisms proposed to…”
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Comparative ultrastructural study of spermatozoa in some oyster species from the Asian-Pacific Coast by Yurchenko, Olga V.

“…Sperm organization in the oysters Crassostrea gigas, Crassostrea nippona, Crassostrea cf. rivularis and Saccostrea cf. mordax inhabiting Asian Pacific coast…”
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A tale of two soft-shell clams: an integrative taxonomic analysis confirms Mya japonica as a valid species distinct from Mya arenaria (Bivalvia: Myidae) by Zhang, Junlong, Yurchenko, Olga V, Lutaenko, Konstantin A, Kalachev, Alexander V, Nekhaev, Ivan O, Aguilar, Robert, Zhan, Zifeng, Ogburn, Matthew B

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Is gamete morphology involved in hybridization in oysters? by Yurchenko, Olga V, Kalachev, Alexander V

“…Some pairs of oyster species in the genus Crassostrea can produce viable hybrids, and heterospecific fertilization may be symmetric, asymmetric, or very low…”
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Macroautophagy is involved in residual bodies formation during spermatogenesis in sea urchins, Strongylocentrotus intermedius by Kalachev, Alexander V., Yurchenko, Olga V., Kiselev, Konstantin V.

“…•Excessive cytoplasm in spermatids is sequestered in vesicles, surrounded by a double membrane.•Morphology of the vesicles is similar to autophagosomes.•In…”
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