Search

Your search keyword '"Charles H. Muller"' showing total 4 results
Start Over Author "Charles H. Muller" Publication Year Range Last 3 years
4 results on '"Charles H. Muller"'

1. Standards in semen examination: publishing reproducible and reliable data based on high-quality methodology

Author

Lars Björndahl, Christopher L R Barratt, David Mortimer, Ashok Agarwal, Robert J Aitken, Juan G Alvarez, Natalie Aneck-Hahn, Stefan Arver, Elisabetta Baldi, Lluís Bassas, Florence Boitrelle, Riana Bornman, Douglas T Carrell, José A Castilla, Gerardo Cerezo Parra, Jerome H Check, Patricia S Cuasnicu, Sally Perreault Darney, Christiaan de Jager, Christopher J De Jonge, Joël R Drevet, Erma Z Drobnis, Stefan S Du Plessis, Michael L Eisenberg, Sandro C Esteves, Evangelini A Evgeni, Alberto Ferlin, Nicolas Garrido, Aleksander Giwercman, Ilse G F Goovaerts, Trine B Haugen, Ralf Henkel, Lars Henningsohn, Marie-Claude Hofmann, James M Hotaling, Piotr Jedrzejczak, Pierre Jouannet, Niels Jørgensen, Jackson C Kirkman Brown, Csilla Krausz, Maciej Kurpisz, Ulrik Kvist, Dolores J Lamb, Hagai Levine, Kate L Loveland, Robert I McLachlan, Ali Mahran, Liana Maree, Sarah Martins da Silva, Michael T Mbizvo, Andreas Meinhardt, Roelof Menkveld, Sharon T Mortimer, Sergey Moskovtsev, Charles H Muller, Maria José Munuce, Monica Muratori, Craig Niederberger, Cristian O’Flaherty, Rafael Oliva, Willem Ombelet, Allan A Pacey, Michael A Palladino, Ranjith Ramasamy, Liliana Ramos, Nathalie Rives, Eduardo Rs Roldan, Susan Rothmann, Denny Sakkas, Andrea Salonia, Maria Cristina Sánchez-Pozo, Rosanna Sapiro, Stefan Schlatt, Peter N Schlegel, Hans-Christian Schuppe, Rupin Shah, Niels E Skakkebæk, Katja Teerds, Igor Toskin, Herman Tournaye, Paul J Turek, Gerhard van der Horst, Monica Vazquez-Levin, Christina Wang, Alex Wetzels, Theodosia Zeginiadou, Armand Zini, Faculty of Medicine and Pharmacy, Clinical sciences, Biology of the Testis, Centre for Reproductive Medicine - Gynaecology, Génétique, Reproduction et Développement (GReD), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Clermont Auvergne [2017-2020] (UCA [2017-2020])-Centre National de la Recherche Scientifique (CNRS), CHU Rouen, Normandie Université (NU), UNIROUEN - UFR Santé (UNIROUEN UFR Santé), Université de Rouen Normandie (UNIROUEN), Normandie Université (NU)-Normandie Université (NU), Neuroendocrine, Endocrine and Germinal Differentiation Communication (NorDic), Normandie Université (NU)-Normandie Université (NU)-Institut National de la Santé et de la Recherche Médicale (INSERM), Björndahl, L, Barratt, Clr, Mortimer, D, Agarwal, A, Aitken, Rj, Alvarez, Jg, Aneck-Hahn, N, Arver, S, Baldi, E, Bassas, L, Boitrelle, F, Bornman, R, Carrell, Dt, Castilla, Ja, Cerezo Parra, G, Check, Jh, Cuasnicu, P, Darney, Sp, de Jager, C, De Jonge, Cj, Drevet, Jr, Drobnis, Ez, Du Plessis, S, Eisenberg, Ml, Esteves, Sc, Evgeni, Ea, Ferlin, A, Garrido, N, Giwercman, A, Goovaerts, Igf, Haugen, Tb, Henkel, R, Henningsohn, L, Hofmann, Mc, Hotaling, Jm, Jedrzejczak, P, Jouannet, P, Jørgensen, N, Kirkman Brown, Jc, Krausz, C, Kurpisz, M, Kvist, U, Lamb, Dj, Levine, H, Loveland, Kl, Mclachlan, Ri, Mahran, A, Maree, L, Martins da Silva, S, Mbizvo, Mt, Meinhardt, A, Menkveld, R, Mortimer, St, Moskovtsev, S, Muller, Ch, Munuce, Mj, Muratori, M, Niederberger, C, O'Flaherty, C, Oliva, R, Ombelet, W, Pacey, Aa, Palladino, Ma, Ramasamy, R, Ramos, L, Rives, N, Roldan, Er, Rothmann, S, Sakkas, D, Salonia, A, Sánchez-Pozo, Mc, Sapiro, R, Schlatt, S, Schlegel, Pn, Schuppe, Hc, Shah, R, Skakkebæk, Ne, Teerds, K, Toskin, I, Tournaye, H, Turek, Pj, van der Horst, G, Vazquez-Levin, M, Wang, C, Wetzels, A, Zeginiadou, T, Zini, A., Pacey, Allan/0000-0002-4387-8871, Arver, Stefan/0000-0002-2925-355X, Mortimer, David/0000-0002-0638-2893, Barratt, christopher/0000-0003-0062-9979, Kirkman-Brown, Jackson, C/0000-0003-2833-8970, Bjorndahl, Lars/0000-0002-4709-5807, Baldi, Elisabetta/0000-0003-1808-3097, Aitken, Robert John/0000-0002-9152-156X, Bjorndahl, Lars, Barratt, Christopher L. R., Mortimer, David, Agarwal, Ashok, Aitken, Robert J., Alvarez, Juan G., Aneck-Hahn, Natalie, Arver, Stefan, Baldi, Elisabetta, Bassas, Lluis, Boitrelle, Florence, Bornman, Riana, Carrell, Douglas T., Castilla, Jose A., Cerezo Parra, Gerardo, Check, Jerome H., Cuasnicu, Patricia S., Darney, Sally Perreault, de Jager, Christiaan, De Jonge, Christopher J., Drevet, Joel R., Drobnis, Erma Z., Du Plessis, Stefan S., Eisenberg, Michael L., Esteves, Sandro C., Evgeni, Evangelini A., Ferlin, Alberto, Garrido, Nicolas, Giwercman, Aleksander, Goovaerts, Ilse G. F., Haugen, Trine B., Henkel, Ralf, Henningsohn, Lars, Hofmann, Marie-Claude, Hotaling, James M., Jedrzejczak, Piotr, Jouannet, Pierre, Jorgensen, Niels, Brown, Jackson C. Kirkman, Krausz, Csilla, Kurpisz, Maciej, Kvist, Ulrik, Lamb, Dolores J., Levine, Hagai, Loveland, Kate L., McLachlan, Robert, I, Mahran, Ali, Maree, Liana, da Silva, Sarah Martins, Mbizvo, Michael T., Meinhardt, Andreas, Menkveld, Roelof, Mortimer, Sharon T., Moskovtsev, Sergey, Muller, Charles H., Jose Munuce, Maria, Muratori, Monica, Niederberger, Craig, O'Flaherty, Cristian, Oliva, Rafael, OMBELET, Willem, Pacey, Allan A., Palladino, Michael A., Ramasamy, Ranjith, Ramos, Liliana, Rives, Nathalie, Roldan, Eduardo Rs, Rothmann, Susan, Sakkas, Denny, Salonia, Andrea, Cristina Sanchez-Pozo, Maria, Sapiro, Rosanna, Schlatt, Stefan, Schlegel, Peter N., Schuppe, Hans-Christian, Shah, Rupin, Skakkebaek, Niels E., Teerds, Katja, Toskin, Igor, Tournaye, Herman, Turek, Paul J., van der Horst, Gerhard, Vazquez-Levin, Monica, Wang, Christina, Wetzels, Alex, Zeginiadou, Theodosia, and Zini, Armand

Subjects
Reproducitibility, [SDV]Life Sciences [q-bio], andrology, basic semen examination, journal requirements, laboratory training, patient security, quality control, reproducibility, reproductive medicine, science development, standardized laboratory procedures, Humans, Reproducibility of Results, Publishing, Semen, Semen Analysis, Andrology, Obstetrics & Reproductive Medicine, Biology, 11 Medical and Health Sciences, Reproductive Biology, Science & Technology, Rehabilitation, Obstetrics & Gynecology, Obstetrics and Gynecology, Reproductive Medicine, 16 Studies in Human Society, Human and Animal Physiology, Fysiologie van Mens en Dier, Human medicine, Life Sciences & Biomedicine
Abstract

Biomedical science is rapidly developing in terms of more transparency, openness and reproducibility of scientific publications. This is even more important for all studies that are based on results from basic semen examination. Recently two concordant documents have been published: the 6th edition of the WHO Laboratory Manual for the Examination and Processing of Human Semen, and the International Standard ISO 23162:2021. With these tools, we propose that authors should be instructed to follow these laboratory methods in order to publish studies in peer-reviewed journals, preferable by using a checklist as suggested in an Appendix to this article.

Published
2022
Full Text
View/download PDF

3. Phthalates in Albumin from Human Serum: Implications for Assisted Reproductive Technology

Author

Charles H. Muller, Sandra Soto-Heras, David J. Miller, and Jennifer R. Hughes

Subjects
endocrine system, Assisted reproductive technology, medicine.medical_treatment, Metabolite, Albumin, Phthalate, Embryo, Human serum albumin, Article, Andrology, chemistry.chemical_compound, chemistry, medicine, Endocrine system, Whole blood, medicine.drug
Abstract

Albumin, a vital protein in cell culture systems, is derived from whole blood or blood products. The culture of human gametes and developing embryos for assisted reproductive technology (ART) uses albumin of human origin. Human serum albumin (HSA) is derived from expired blood obtained from blood banks. This blood has been stored in polyvinyl chloride bags made clear and flexible with di-2-ethylhexyl phthalate (DEHP). However, DEHP can leach from the bags into stored blood and cofractionate with HSA during albumin isolation. DEHP and its metabolite, mono-ethylhexyl phthalate, are known endocrine disruptors that are reported to have negative effects when directly supplemented in media for in vitro fertilization using gametes from a variety of animals. Therefore, the contamination of ART media with DEHP and mono-ethylhexyl phthalate through HSA supplementation may affect the outcomes of ART procedures. Although the embryology laboratory is strictly monitored to prevent a wide variety of contaminations, phthalate contamination of HSA has not been broadly examined. This review outlines the function of HSA in ART procedures and the production of HSA from whole blood. Finally, the review highlights the effects of acute phthalate exposures on gametes during in vitro procedures. Phthalates found in human serum albumin are present in media used for ART at levels that impair developmental endpoints in model species.

Published
2022

4. Cultivable vaginal Lactobacillus is not associated with fecundability in Kenyan women attempting to conceive

Author

Erica M. Lokken, Clayton Jisuvei, James P. Hughes, Kishor Mandaliya, Lisa E. Manhart, Khamis Mwinyikai, Charles H. Muller, Walter Jaoko, John Kinuthia, and R. Scott McClelland

Subjects
Adult, Obstetrics and Gynecology, Middle Aged, Kenya, Article, Cohort Studies, Lactobacillus, Time-to-Pregnancy, Young Adult, Fertility, Reproductive Medicine, Pregnancy, Fertilization, Vagina, Humans, Female, Prospective Studies, Preconception Care
Abstract

OBJECTIVE: To examine the association between cultivable vaginal Lactobacillus and fecundability in Kenyan women attempting non-medically assisted conception DESIGN: Prospective preconception cohort SETTING: Nairobi and Mombasa, Kenya PATIENTS: Women trying to conceive who reported ≤3 months of pre-enrollment conception attempt time EXPOSURE: Cultivable Lactobacillus (primary), Lactobacillus morphotypes on Gram stain (secondary) MAIN OUTCOME MEASURES: Participants reported first day of last menstrual period and recent sexual behavior, underwent pregnancy testing, and provided vaginal specimen samples for Lactobacillus culture and Gram stain at ≤6 monthly preconception visits. The outcome was fecundability – the per-menstrual cycle probability of pregnancy. Associations between 1) cultivable Lactobacillus and 2) Lactobacillus morphotypes on Gram stain at the visit prior to each pregnancy test and fecundability were estimated using proportional probabilities models to generate fecundability ratios (FRs). RESULTS: 458 women contributed 1,376 menstrual cycles. At enrollment, 65.3% (n=299) of participants had cultivable Lactobacillus, 47.4% (n=217) had cultivable hydrogen peroxide producing Lactobacillus, and 64.6% (n=296) had Lactobacillus detected on Gram stain. In unadjusted analysis, there was no association between cultivable Lactobacillus at the visit prior and fecundability (FR 0.92, 95%CI 0.73–1.16); results were similar after adjustment for age, frequency of condomless sex, and study site (adjusted FR 0.92, 95%CI 0.72–1.18). Lactobacillus on Gram stain at the visit prior was associated with modestly higher fecundability (adjusted FR 1.18, 95%CI 0.92–1.51). CONCLUSIONS: Cultivable Lactobacillus was not associated with fecundability while Lactobacillus morphotypes detected on Gram stain were somewhat associated with increased fecundability. The relationship between vaginal Lactobacillus and fecundity may be species-specific.

Published
2022

Catalog

Books, media, physical & digital resources
See catalog results