J. Courtens

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Nucleus of the boar spermatozoon: Structure and modifications in frozen, frozen‐thawed, or sodium dodecyl sulfate‐treated cells

J. Courtens, M. Paquignon, F. Blaise, 1989, Molecular reproduction and development.

Bull semen in vitro fertility after cryopreservation using egg yolk LDL: a comparison with Optidyl, a commercial egg yolk extender.

J. Courtens, M. Anton, D. Tainturier, 2004, Theriogenology.

Distribution of DNA, nuclear micro-heterogeneities and compaction of the chromatin in rabbit epididymal spermatozoa. Ultrastructural evaluation of the Feulgen-like technique using osmium ammine.

S. Fakan, M. Biggiogera, J. Courtens, 1994, Reproduction, nutrition, development.

Proteome analysis of spermatogonia: identification of a first set of 53 proteins

C. Pineau, B. Jégou, J. Courtens, 2000 .

Induction of the acrosome reaction in the spermatozoa of the goat by secretions of the male accessory glands and milk

J. Courtens, J. Nunes, J. Corteel, 1984 .

Acrosomal and nuclear morphogenesis in ram spermatids: An experimental study of hypophysectomized and testosterone‐supplemented animals

J. Courtens, M. Courot, Ram Spermatids, 1980, The Anatomical record.

Binding of Epididymal Proteins to the Spermatozoa of Ram

J. Courtens, J. Rozinek, S. Fournier-delpech, 2009, Andrologia.

Osmium ammine: review of current applications to visualize DNA in electron microscopy.

M. Derenzini, D. Hernandez-Verdun, S. Fakan, 1996, Biology of the cell.

The perinuclear substance of boar, bull ram and rabbit spermatozoa.

J. Fléchon, J. Courtens, M. Courot, 1976, Journal of ultrastructure research.

Microtubules and Spermiogenesis

J. Courtens, M. Loir, B. Delaleu, 1983 .

Convoluted cords, a new nuclear body in spermatocytes and spermatids of the rabbit

J. Courtens, 1998, Cell and Tissue Research.

Nuclear reorganization in ram spermatids.

J. Courtens, M. Loir, 1979, Journal of ultrastructure research.

A cytochemical and immunocytochemical study of DNA distribution in spermatid nuclei of mouse, rabbit, and bull

S. Fakan, M. Biggiogera, J. Courtens, 1991, Cell and Tissue Research.

The striated body: a new structure in the sperm head of the rabbit spermatozoon.

G. Gabbiani, S. Fakan, M. Biggiogera, 1991, The Journal of experimental zoology.

A cytochemical study of nuclear changes in boar, bull, goat, mouse, rat, and stallion spermatids.

J. Courtens, M. Loir, 1981, Journal of ultrastructure research.

Immunoelectron microscopical distribution of histones H2B and H3 and protamines in the course of mouse spermiogenesis

S. Fakan, M. Romanini, M. Biggiogera, 1992, Microscopy research and technique.

Ultrastructural immunolocalisation of histones (H2B, H3, H4), transition protein (TP1) and protamine in rabbit spermatids and spermatozoa nuclei. Relation to condensation of the chromatin.

J. Courtens, L. Plöen, W. Kistler, 1995, Reproduction, nutrition, development.

Immunocytochemical localization of protamine in the boar testis.

J. Courtens, L. Plöen, M. Loir, 1988, Journal of reproduction and fertility.

Immunocytochemical localization of protamine in the spermatids of the ram

J. Courtens, M. Dubois, M. Lanneau, 1983 .

Preliminary study of water and some element contents in boar spermatozoa, before, during and after freezing.

J. Courtens, M. Paquignon, H. Ekwall, 1989, Journal of reproduction and fertility.

Modifications of bull spermatozoa induced by three extenders: Biociphos, low density lipoprotein and Triladyl, before, during and after freezing and thawing.

J. Courtens, M. Anton, D. Tainturier, 2005, Reproduction.

Acquisition of zona binding by ram spermatozoa during epididymal passage, as revealed by interaction with rat oocytes

J. Courtens, M. Courot, S. Fournier-delpech, 1982 .

Immunocytochemical localization of nuclear protamine in boar spermatozoa during epididymal transit.

H. Rodríguez-Martínez, J. Courtens, L. Plöen, 1990, Journal of reproduction and fertility.

Modifications in the plasma membranes of epididymal ram spermatozoa during maturation and incubation in utero.

J. Courtens, S. Fournier-delpech, 1979, Journal of ultrastructure research.

Comparative aspects of mammalian spermiogenesis.

J. Courtens, L. Plöen, 1986, Scanning electron microscopy.

Immunogold distribution of actin during spermiogenesis in the normal rabbit and after experimental cryptorchidism.

J. Courtens, L. Plöen, J. Fouquet, 1989, Gamete research.

Abnormal spermiogenesis in bulls treated with ethylene dibromide: an ultrastructural and ultracytochemical study.

J. Courtens, D. Amir, J. Durand, 1980, Journal of ultrastructure research.

Improvement of spermatogenesis in adult cryptorchid rat testis by intratesticular infusion of lactate.

J. Courtens, L. Plöen, 1999, Biology of reproduction.

Spermiogenesis ofLacerta vivipara

J. Courtens, A. Depeiges, 1985 .

Ultrastructure of fresh, frozen, and frozen-thawed spermatozoa of the boar

J. Courtens, M. Paquignon, 1985 .

Immunocytochemical localization of histones H2B, H3 and H4 in pronuclei and four-cell stages of porcine embryos. Preliminary results.

J. Courtens, J. Rozinek, S. Muller, 1989, Reproduction, nutrition, development.

Numerical simulation for freezing and thawing mammalian spermatozoa. Evaluation of cell injuries at different depths in bags or straws during all steps

J. Courtens, J. Réty, 2001, Genetics Selection Evolution.

Ultrastructural detection of basic nucleoproteins: alcoholic phosphotungstic acid does not bind to arginine residues.

J. Courtens, M. Loir, M. Loir, 1981, Journal of ultrastructure research.

The spermatid manchette of mammals: formation and relations with the nuclear envelope and the chromatin.

J. Courtens, M. Loir, 1981, Reproduction, nutrition, developpement.

Cytochemical localization of glycoproteins in the developing acrosome of ram spermatids.

J. Courtens, 1978, Journal of ultrastructure research.

Study in vitro of the phagocytic function of Sertoli cells in the rat

C. Pineau, B. Jégou, J. Courtens, 1991, Cell and Tissue Research.

Modifications in the plasma membrane of elongated ram spermatids : A cytochemical study

J. Courtens, 1979 .

Type I and type II interleukin-1 receptor expression in rat, mouse, and human testes.

B. Jégou, A. Cavalier, G. Morel, 1997, Biology of reproduction.

Embedding resin space, water contents and chromatin compaction in rabbit sperm nuclei: Electron microscopic X‐ray spectrophotometry of a brominated probe

J. Courtens, H. Ekwall, L. Plöen, 2009, Andrologia.

Effect of acrosome defects and sperm chromatin decondensation on fertility and litter size in the rabbit. Preliminary electron-microscopic study.

J. Courtens, M. Theau-Clément, G. Bolet, 1994, Reproduction, nutrition, development.

Comparison of nuclear hydration in boar spermatozoa before and after freeze‐thawing: Contrast analysis of cells embedded in bromide‐labeled medium

J. Courtens, H. Ekwall, L. Plöen, 1992, Microscopy research and technique.

E.M. Localization of Sugars Having Affinity for Lectins on the Ram Spermatozoa

J. Courtens, S. Hamamah, S. Fournier-delpech, 1983 .

Migration of centromere proteins in rabbit spermatids

M. Burnier, S. Fakan, M. Biggiogera, 1992, Molecular reproduction and development.

Release of carbohydrate-containing vesicles by the developing acrosomes of ram spermatids--relation to morphometric changes of the acrosome.

J. Courtens, 1978, Journal of ultrastructure research.

The appearance of new electrical properties in the plasma membrane of ram spermatids

J. Courtens, 1979 .

Morphogenesis of postacrosomal cytoplasm in the spermatid head. Experimental study of hypophysectomized and testosterone-injected rams

J. Courtens, 1978 .

Osmium ammine: Review of current applications to visualize DNA in electron microscopy

M. Derenzini, D. Hernandez-Verdun, S. Fakan, 2004 .