In vitro differentiation of germ cells from nonobstructive azoospermic patients using three-dimensional culture in a collagen gel matrix

Objective To assess the effectiveness of the three-dimensional culture of spermatogenic cells in a collagen gel matrix from nonobstructive azoospermic patients and examine the relation between the success rate of in vitro spermatogenesis and serum FSH level as a diagnostic prediction. Design Prospec...

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Published in:Fertility and sterility Vol. 87; no. 4; pp. 824 - 833
Main Authors: Lee, Jae-Ho, Ph.D, Gye, Myung C., Ph.D, Choi, Kyoo Wan, Ph.D, Hong, Jae Yup, M.D., Ph.D, Lee, Yong Bok, M.D, Park, Dong-Wook, Ph.D, Lee, Seung Jae, M.D, Min, Churl K., Ph.D
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Language:English
Published: New York, NY Elsevier Inc 01-04-2007
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Abstract Objective To assess the effectiveness of the three-dimensional culture of spermatogenic cells in a collagen gel matrix from nonobstructive azoospermic patients and examine the relation between the success rate of in vitro spermatogenesis and serum FSH level as a diagnostic prediction. Design Prospective study using radioimmunoassay, immunocytochemistry, and flow cytometry with primary cultured cells. Setting Gynecologic clinics and human reproduction research laboratory. Patient(s) Primary culture of spermatogenic cells established from 18 nonobstructive azoospermic patients who underwent histologic diagnoses. Intervention(s) Primary culture of spermatogenic cells in a collagen-based gel matrix, subjected to immunological and flow cytometric analyses. Main Outcome Measure(s) In vitro culture of spermatogenic cells was established in an extracellular milieu that more closely resembled the in vivo condition. The number of chromosomes in newly generated cells during culture was determined by fluorescence-activated cell sorter (FACS) and immunocytochemical analysis. Effects of FSH on the differentiation of the spermatogenic cells were measured. Result(s) Results of histologic studies indicated that 8 of 18 patients showed the spermatocyte arrest. Immunocytochemical and FACS analysis indicated that after 12 days in culture, haploid cells comprised 11%–37% of the cultured cell population with a characteristic expression of a cellular marker for spermatids. The serum level of FSH appeared to be closely correlated with an increase in the number of haploid cells in culture. Conclusion(s) The present three-dimensional culture in a collagen gel matrix provides a suitable means by which spermatocytes could be induced to differentiate into presumptive spermatids in vitro. In addition, the plasma FSH level could be a good indicator for the success of differentiation of cultured spermatogenic cells obtained from patients with spermatogenic arrest.
AbstractList To assess the effectiveness of the three-dimensional culture of spermatogenic cells in a collagen gel matrix from nonobstructive azoospermic patients and examine the relation between the success rate of in vitro spermatogenesis and serum FSH level as a diagnostic prediction. Prospective study using radioimmunoassay, immunocytochemistry, and flow cytometry with primary cultured cells. Gynecologic clinics and human reproduction research laboratory. Primary culture of spermatogenic cells established from 18 nonobstructive azoospermic patients who underwent histologic diagnoses. Primary culture of spermatogenic cells in a collagen-based gel matrix, subjected to immunological and flow cytometric analyses. In vitro culture of spermatogenic cells was established in an extracellular milieu that more closely resembled the in vivo condition. The number of chromosomes in newly generated cells during culture was determined by fluorescence-activated cell sorter (FACS) and immunocytochemical analysis. Effects of FSH on the differentiation of the spermatogenic cells were measured. Results of histologic studies indicated that 8 of 18 patients showed the spermatocyte arrest. Immunocytochemical and FACS analysis indicated that after 12 days in culture, haploid cells comprised 11%-37% of the cultured cell population with a characteristic expression of a cellular marker for spermatids. The serum level of FSH appeared to be closely correlated with an increase in the number of haploid cells in culture. The present three-dimensional culture in a collagen gel matrix provides a suitable means by which spermatocytes could be induced to differentiate into presumptive spermatids in vitro. In addition, the plasma FSH level could be a good indicator for the success of differentiation of cultured spermatogenic cells obtained from patients with spermatogenic arrest.
Objective To assess the effectiveness of the three-dimensional culture of spermatogenic cells in a collagen gel matrix from nonobstructive azoospermic patients and examine the relation between the success rate of in vitro spermatogenesis and serum FSH level as a diagnostic prediction. Design Prospective study using radioimmunoassay, immunocytochemistry, and flow cytometry with primary cultured cells. Setting Gynecologic clinics and human reproduction research laboratory. Patient(s) Primary culture of spermatogenic cells established from 18 nonobstructive azoospermic patients who underwent histologic diagnoses. Intervention(s) Primary culture of spermatogenic cells in a collagen-based gel matrix, subjected to immunological and flow cytometric analyses. Main Outcome Measure(s) In vitro culture of spermatogenic cells was established in an extracellular milieu that more closely resembled the in vivo condition. The number of chromosomes in newly generated cells during culture was determined by fluorescence-activated cell sorter (FACS) and immunocytochemical analysis. Effects of FSH on the differentiation of the spermatogenic cells were measured. Result(s) Results of histologic studies indicated that 8 of 18 patients showed the spermatocyte arrest. Immunocytochemical and FACS analysis indicated that after 12 days in culture, haploid cells comprised 11%–37% of the cultured cell population with a characteristic expression of a cellular marker for spermatids. The serum level of FSH appeared to be closely correlated with an increase in the number of haploid cells in culture. Conclusion(s) The present three-dimensional culture in a collagen gel matrix provides a suitable means by which spermatocytes could be induced to differentiate into presumptive spermatids in vitro. In addition, the plasma FSH level could be a good indicator for the success of differentiation of cultured spermatogenic cells obtained from patients with spermatogenic arrest.
OBJECTIVETo assess the effectiveness of the three-dimensional culture of spermatogenic cells in a collagen gel matrix from nonobstructive azoospermic patients and examine the relation between the success rate of in vitro spermatogenesis and serum FSH level as a diagnostic prediction.DESIGNProspective study using radioimmunoassay, immunocytochemistry, and flow cytometry with primary cultured cells.SETTINGGynecologic clinics and human reproduction research laboratory.PATIENT(S)Primary culture of spermatogenic cells established from 18 nonobstructive azoospermic patients who underwent histologic diagnoses.INTERVENTION(S)Primary culture of spermatogenic cells in a collagen-based gel matrix, subjected to immunological and flow cytometric analyses.MAIN OUTCOME MEASURE(S)In vitro culture of spermatogenic cells was established in an extracellular milieu that more closely resembled the in vivo condition. The number of chromosomes in newly generated cells during culture was determined by fluorescence-activated cell sorter (FACS) and immunocytochemical analysis. Effects of FSH on the differentiation of the spermatogenic cells were measured.RESULT(S)Results of histologic studies indicated that 8 of 18 patients showed the spermatocyte arrest. Immunocytochemical and FACS analysis indicated that after 12 days in culture, haploid cells comprised 11%-37% of the cultured cell population with a characteristic expression of a cellular marker for spermatids. The serum level of FSH appeared to be closely correlated with an increase in the number of haploid cells in culture.CONCLUSION(S)The present three-dimensional culture in a collagen gel matrix provides a suitable means by which spermatocytes could be induced to differentiate into presumptive spermatids in vitro. In addition, the plasma FSH level could be a good indicator for the success of differentiation of cultured spermatogenic cells obtained from patients with spermatogenic arrest.
Author Choi, Kyoo Wan, Ph.D
Lee, Yong Bok, M.D
Gye, Myung C., Ph.D
Lee, Jae-Ho, Ph.D
Hong, Jae Yup, M.D., Ph.D
Lee, Seung Jae, M.D
Park, Dong-Wook, Ph.D
Min, Churl K., Ph.D
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  fullname: Hong, Jae Yup, M.D., Ph.D
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  fullname: Lee, Yong Bok, M.D
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  fullname: Park, Dong-Wook, Ph.D
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  fullname: Lee, Seung Jae, M.D
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  fullname: Min, Churl K., Ph.D
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Issue 4
Keywords three-dimensional culture
collagen gel matrix
In vitro spermatogenesis
Human
Spermatogenesis
Glycoprotein
Cell differentiation
In vitro
Azoospermia
Three dimensional culture
Fertility
Collagen
Male sterility
Extracellular matrix
Male genital diseases
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Snippet Objective To assess the effectiveness of the three-dimensional culture of spermatogenic cells in a collagen gel matrix from nonobstructive azoospermic patients...
To assess the effectiveness of the three-dimensional culture of spermatogenic cells in a collagen gel matrix from nonobstructive azoospermic patients and...
OBJECTIVETo assess the effectiveness of the three-dimensional culture of spermatogenic cells in a collagen gel matrix from nonobstructive azoospermic patients...
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pascalfrancis
elsevier
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SubjectTerms Animals
Azoospermia - physiopathology
Biological and medical sciences
Birth control
Cell Differentiation
Cells, Cultured
Collagen - physiology
collagen gel matrix
Flow Cytometry
Follicle Stimulating Hormone - blood
Gels
Gynecology. Andrology. Obstetrics
Humans
Immunohistochemistry
In vitro spermatogenesis
Internal Medicine
Male
Medical sciences
Obstetrics and Gynecology
Rats
Rats, Sprague-Dawley
Spermatogenesis
Spermatogonia - cytology
Sterility. Assisted procreation
three-dimensional culture
Title In vitro differentiation of germ cells from nonobstructive azoospermic patients using three-dimensional culture in a collagen gel matrix
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https://dx.doi.org/10.1016/j.fertnstert.2006.09.015
https://www.ncbi.nlm.nih.gov/pubmed/17239867
https://search.proquest.com/docview/70386254
Volume 87
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