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C M Luetjens

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Articles 32
Citations 382
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Recent Articles
1.
Luetjens C, Dorresteijn A
Rouxs Arch Dev Biol . 2017 Mar; 205(3-4):138-149. PMID: 28306075
In this study we reinvestigate the early development of the freshwater mussel Dreissena polymorpha, previously studied by Meisenheimer (1901). The data include video time-lapse recordings of living embryos and bisbenzimide...
2.
Rose C, Luetjens C, Grote-Wessels S, Weinbauer G
Regul Toxicol Pharmacol . 2015 Sep; 73(2):571-7. PMID: 26361857
Assessment of learning ability in nonhuman primate (NHP) models is sometimes requested by regulatory authorities. The double choice object discrimination task using a Wisconsin General Testing Apparatus (WGTA) approach is...
3.
Tuttelmann F, Damm O, Luetjens C, Baldi M, Zitzmann M, Kliesch S, et al.
Andrology . 2014 Feb; 2(2):275-81. PMID: 24574169
Klinefelter syndrome (KS, 47,XXY) is associated with low serum testosterone (T), long thought to arise from disturbed steroidogenesis in Leydig cells. However, intratesticular testosterone (ITT) concentrations were recently found to...
4.
Cappon G, Potter D, Hurtt M, Weinbauer G, Luetjens C, Bowman C
Reprod Toxicol . 2013 Jun; 41:67-72. PMID: 23792114
To determine the sensitivity of male reproductive toxicity endpoints in NHPs we performed a power analysis of routine and triggered endpoints using control data from sexually mature Asian and Mauritian...
5.
Luetjens C, Weinbauer G
Regul Toxicol Pharmacol . 2012 May; 63(3):391-400. PMID: 22579626
Selection of suitable criteria for assessing sexual maturity in the male long-tailed macaque (Macaca fascicularis) has yielded conflicting results. The present retrospective work investigates whether the sole presence of sperm...
6.
Adiga S, Ehmcke J, Schlatt S, Kliesch S, Westernstroer B, Luetjens C, et al.
Mol Hum Reprod . 2011 Apr; 17(9):545-9. PMID: 21482616
DNA methylation events during spermatogenesis have important implications for gamete integrity and transmission of epigenetic information to the next generation. However, the role of DNA methyltransferases in the disorders of...
7.
Luetjens C, Wesselmann R
J Med Primatol . 2008 Jul; 37(3):128-40. PMID: 18642435
Background: Sperm-derived mitochondria are integrated into the oocyte at fertilization but seem to vanish during the early cleavage phase. The developmental potential of pre-implantation embryos seems to be closely related...
8.
Yeung C, Beiglbock-Karau L, Luetjens C, Wunsch A, Nieschlag E
Int J Androl . 2007 Dec; 32(3):242-54. PMID: 18070047
In the treatment of male infertility by intra-cytoplasmic injection of spermatozoa (ICSI) extracted from testicular tissue (TESE), the high incidence of negative TESE outcome calls for non-invasive prognostic methods. Literature...
9.
Rudolph C, Sigruener A, Hartmann A, Orso E, Bals-Pratsch M, Gronwald W, et al.
Horm Metab Res . 2007 May; 39(5):322-35. PMID: 17533573
The screening for additional human YjeF_N domain containing proteins beside the apolipoprotein A-I interacting protein (AI-BP), identified two other genes designated hYjeF_N2-15q23 (formerly human homologue of yeast edc3) and hYjeF_N3-19p13.11...
10.
Chandolia R, Luetjens C, Wistuba J, Semjonow A, Puhse G, Nieschlag E
J Med Primatol . 2007 Mar; 36(1):21-4. PMID: 17359462
Background: The present communication reports intravesical semen coagulation and formation of a larger precipitate in two Cynomolgus monkeys. Methods: Ultrasound of the urinary bladder and light microscopy of intravesical coagulates....