Search Results - "Nagdas, Subir K"

Apolipoprotein E Receptor-2 (ApoER2) Mediates Selenium Uptake from Selenoprotein P by the Mouse Testis by Olson, Gary E., Winfrey, Virginia P., NagDas, Subir K., Hill, Kristina E., Burk, Raymond F.

“…Selenium is a micronutrient that is essential for the production of normal spermatozoa. The selenium-rich plasma protein selenoprotein P (Sepp1) is required…”
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Selenoprotein P Is Required for Mouse Sperm Development by OLSON, Gary E, WINFREY, Virginia P, NAGDAS, Subir K, HILL, Kristina E, BURK, Raymond F

“…Selenoprotein P (SEPP1), an extracellular glycoprotein of unknown function, is a unique member of the selenoprotein family that, depending on species, contains…”
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Isolation of a calcium-binding protein of the acrosomal membrane of bovine spermatozoa by Nagdas, Subir K., Buchanan, Teresa, McCaskill, Shaina, Mackey, Jared, Alvarez, George E., Raychoudhury, Samir

“…The mammalian sperm acrosome reaction is a calcium-dependent exocytotic event characterized by extensive fusion between the plasma and the outer acrosomal…”
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Identification and Characterization of TEX101 in Bovine Epididymal Spermatozoa by Nagdas, Subir K., McLean, Eric L., Richardson, Leeá P., Raychoudhury, Samir

“…Several studies exhibit the presence of Ricinus Communis Agglutinin I (RCA) binding glycocalyx in mammalian spermatozoa. However, the molecular…”
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Tyrosine Phosphorylation Generates Multiple Isoforms of the Mitochondrial Capsule Protein, Phospholipid Hydroperoxide Glutathione Peroxidase (PHGPx), During Hamster Sperm Capacitation by NAGDAS, Subir K, WINFREY, Virginia P, OLSON, Gary E

“…Sperm capacitation is a maturation process, occurring in the female reproductive tract, that produces fertilization-competent spermatozoa. Protein tyrosine…”
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Zonadhesin Assembly into the Hamster Sperm Acrosomal Matrix Occurs by Distinct Targeting Strategies During Spermiogenesis and Maturation in the Epididymis by OLSON, Gary E, WINFREY, Virginia P, MING BI, HARDY, Daniel M, NAGDAS, Subir K

“…Zonadhesin is the only sperm protein known to bind in a species-specific manner to the zona pellucida. The zonadhesin precursor is a mosaic protein with a…”
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Region-specific Expression and Secretion of the Fibrinogen-related Protein, fgl2, by Epithelial Cells of the Hamster Epididymis and Its Role in Disposal of Defective Spermatozoa by Olson, Gary E., Winfrey, Virginia P., NagDas, Subir K., Melner, Michael H.

“…The cauda epididymidis functions in the storage and protection of mature, fertile spermatozoa. We previously identified a region-specific secretory…”
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Fibrinogen‐related protein, FGL2, of hamster cauda epididymal fluid: Purification, kinetic analysis of its prothrombinase activity, and its role in segregation of nonviable spermatozoa by Nagdas, Subir K., Wallace, Shamar, Eaford, Don, Baker, Rashad, Carr, Ky'ara, Raychoudhuri, Samir S.

“…Although the epididymal environment promotes the maturation and survival of spermatozoa, not all spermatozoa remain viable during passage through the…”
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Two fibrinogen-like proteins, FGL1 and FGL2 are disulfide-linked subunits of oligomers that specifically bind nonviable spermatozoa by Nagdas, Subir K., Winfrey, Virginia P., Olson, Gary E.

“…Nevertheless, a nonviable sperm population is present in the cauda epididymidis of many species. Degenerating spermatozoa release enzymes that could have…”
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Identification of Ras and Its Downstream Signaling Elements and Their Potential Role in Hamster Sperm Motility by NAGDAS, Subir K, WINFREY, Virginia P, OLSON, Gary E

“…Ras, a member of the small G-protein family, regulates multiple signaling pathways in somatic cells. The objectives of the present study included the…”
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Identification of peroxiredoxin-5 in bovine cauda epididymal sperm by Nagdas, Subir K., Buchanan, Teresa, Raychoudhury, Samir

“…Developing spermatozoa require a series of posttesticular modifications within the luminal environment of the epididymis to achieve maturation; this involves…”
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Identification of bovine sperm acrosomal proteins that interact with a 32-kDa acrosomal matrix protein by Nagdas, Subir K., Smith, Linda, Medina-Ortiz, Ilza, Hernandez-Encarnacion, Luisa, Raychoudhury, Samir

“…Mammalian fertilization is accomplished by the interaction between sperm and egg. Previous studies from this laboratory have identified a stable acrosomal…”
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Identification of a Hamster Sperm 26-Kilodalton Dehydrogenase/Reductase That Is Exclusively Localized to the Mitochondria of the Flagellum by NAGDAS, Subir K, WINFREY, Virginia P, OLSON, Gary E

“…Sperm mitochondria undergo remodeling during posttesticular maturation that includes extensive disulfide cross-linking of proteins of the outer membrane to…”
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Structural modification of the hamster sperm acrosome during posttesticular development in the epididymis by Olson, Gary E., Winfrey, Virginia P., Nagdas, Subir K.

“…The acrosome of the mature spermatozoon functions as a regulated secretory vesicle which performs several critical functions in mammalian fertilization…”
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Identification and characterization of a bovine sperm acrosomal matrix protein and its mechanism of interaction with acrosomal hydrolases by Nagdas, Subir K., Smith, Linda, Mcnamara, Allen, Hernandez-Encarnacion, Luisa, Medina-Ortiz, Ilza

“…Fertilization, the union of male and female gametes to create offspring, is an intricate biological process dependent upon several biochemical and…”
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Stage-Specific Expression of the Intermediate Filament Protein Cytokeratin 13 in Luminal Epithelial Cells of Secretory Phase Human Endometrium and Peri-Implantation Stage Rabbit Endometrium by OLSON, Gary E, WINFREY, Virginia P, BLAEUER, Gareth L, PALISANO, John R, NAGDAS, Subir K

“…In preparation for blastocyst implantation, uterine luminal epithelial cells express new cell adhesion molecules on their apical plasma membrane. Since one…”
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Identification of Acrosomal Matrix-Specific Hydrolases Binding Proteins of Bovine Cauda Epididymal Spermatozoa by Nagdas, Subir K, Hamilton, Shatasha L, Raychoudhury, Samirsubas

“…Previously, we described the isolation of a detergent‐stable complex from bovine sperm acrosome, termed the outer acrosomal membrane–associated matrix complex…”
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Identification of a Hamster Sperm 26-Kilodalton Dehydrogenase/Reductase That Is Exclusively Localized to the Mitochondria of the Flagellum1 by Nagdas, Subir K, Winfrey, Virginia P, Olson, Gary E

“…Sperm mitochondria undergo remodeling during posttesticular maturation that includes extensive disulfide cross-linking of proteins of the outer membrane to…”
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Demonstration of ubiquitin thiolester formation of UBE2Q2 (UBCi), a novel ubiquitin-conjugating enzyme with implantation site-specific expression by MELNER, Michael H, HAAS, Arthur L, KLEIN, Jennifer M, BRASH, Alan R, BOEGLIN, William E, NAGDAS, Subir K, WINFREY, Virginia P, OLSON, Gary E

“…We recently identified a differentially expressed gene in implantation stage rabbit endometrium encoding a new member of the ubiquitin-conjugating enzyme…”
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Tyrosine Phosphorylation Generates Multiple Isoforms of the Mitochondrial Capsule Protein, Phospholipid Hydroperoxide Glutathione Peroxidase (PHGPx), During Hamster Sperm Capacitation1 by NagDas, Subir K, Winfrey, Virginia P, Olson, Gary E

“…Sperm capacitation is a maturation process, occurring in the female reproductive tract, that produces fertilization-competent spermatozoa. Protein tyrosine…”
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