Search Results - "Steger, K"

Lessons learned in Andrology: Occupy a scientific niche, be proactive, and stay visible for the scientific community by Steger, K.

Get full text

The impact of sperm protamine deficiency and sperm DNA damage on human male fertility: a systematic review and meta‐analysis by Ni, K., Spiess, A.‐N., Schuppe, H.‐C., Steger, K.

“…Summary Existing literature suggests evidence that protamine deficiency is related to DNA damage and male fertility. In this meta‐analysis, we analyzed the…”
Get full text

Invasive floating macrophytes reduce greenhouse gas emissions from a small tropical lake by Attermeyer, K., Flury, S., Jayakumar, R., Fiener, P., Steger, K., Arya, V., Wilken, F., van Geldern, R., Premke, K.

“…Floating macrophytes, including water hyacinth ( Eichhornia crassipes ), are dominant invasive organisms in tropical aquatic systems and they may play an…”
Get full text

17α-Ethynylestradiol alters testicular epigenetic profiles and histone-to-protamine exchange in mice by Ded, L., Zatecka-Lanska, E., Vaculikova, E., Frolikova, M., Sanovec, O., Palenikova, V., Simonik, O., Dorosh, A., Margaryan, H., Elzeinova, F., Kubatova, A., Peknicova, J., Paradowska-Dogan, A., Steger, K., Komrskova, K.

“…Spermatogenesis starts with the onset of puberty within the seminiferous epithelium of the testes. It is a complex process under intricate control of the…”
Get full text

A comprehensive investigation of sperm DNA damage and oxidative stress injury in infertile patients with subclinical, normozoospermic, and astheno/oligozoospermic clinical varicocoele by Ni, K., Steger, K., Yang, H., Wang, H., Hu, K., Zhang, T., Chen, B.

“…Summary One of the main pathogeneses of varicocoele and infertility is oxidative stress (OS), nevertheless, the oxidative damaged DNA in infertile patients…”
Get full text

Neuronal expression of the NADPH oxidase NOX4, and its regulation in mouse experimental brain ischemia by Vallet, P., Charnay, Y., Steger, K., Ogier-Denis, E., Kovari, E., Herrmann, F., Michel, J.-P., Szanto, I.

“…Ischemia-induced neuronal damage has been linked to elevated production of reactive oxygen species (ROS) both in animal models and in humans. NADPH oxidase…”
Get full text

Expression of NOXI, a superoxide-generating NADPH oxidase, in colon cancer and inflammatory bowel disease by SZANTO, I, RUBBIA-BRANDT, L, KISS, P, STEGER, K, BANFI, B, KOVARI, E, HERRMANN, F, HADENGUE, A, KRAUSE, K.-H

Get full text

Effects of Progressive Resistance Training on Body Composition in Frail Older Adults: Results of a Randomized, Controlled Trial by Binder, Ellen F., Yarasheski, Kevin E., Steger-May, Karen, Sinacore, David R., Brown, Marybeth, Schechtman, Kenneth B., Holloszy, John O.

“…Background. Progressive resistance exercise training (PRT) has been shown to increase muscle strength and fat-free mass (FFM) in elderly persons. Limited…”
Get full text

Haploid spermatids exhibit translationally repressed mRNAs by Steger, K

“…During spermiogenesis, DNA-binding histones are replaced by protamines. DNA-protamine-interactions result in chromatin condensation causing cessation of…”
Get full text

Expression of NOX1, a superoxide-generating NADPH oxidase, in colon cancer and inflammatory bowel disease by Szanto, I, Rubbia-Brandt, L, Kiss, P, Steger, K, Banfi, B, Kovari, E, Herrmann, F, Hadengue, A, Krause, K-H

“…Reactive oxygen species (ROS) are at the centre of many physiological and pathological processes. NOX1, a ROS‐producing NADPH oxidase, is highly expressed in…”
Get full text

Memory and PTPIP51 — A new protein in hippocampus and cerebellum by Brobeil, A., Viard, M., Petri, M.K., Steger, K., Tag, C., Wimmer, M.

“…Previously the expression of Protein Tyrosine Phosphatase Interacting Protein 51 (PTPIP51) in mouse brain was reported. Here, we investigated PTPIP51 mRNA and…”
Get full text

Both protamine-1 to protamine-2 mRNA ratio and Bcl2 mRNA content in testicular spermatids and ejaculated spermatozoa discriminate between fertile and infertile men by Steger, Klaus, Wilhelm, Jochen, Konrad, Lutz, Stalf, Thomas, Greb, Robert, Diemer, Thorsten, Kliesch, Sabine, Bergmann, Martin, Weidner, Wolfgang

“…BACKGROUND Human sperm contain similar amounts of protamine-1 (P1) and protamine-2 (P2). Although aberrant protamine ratios have been observed in infertile…”
Get full text

Development of compost maturity and Actinobacteria populations during full-scale composting of organic household waste by Steger, K, Sjögren, Å.M, Jarvis, Å, Jansson, J.K, Sundh, I

“…This study investigates changes in microbiological and physicochemical parameters during large-scale, thermophilic composting of a single batch of municipal…”
Get full text

H3K79 methylation directly precedes the histone‐to‐protamine transition in mammalian spermatids and is sensitive to bacterial infections by Dottermusch‐Heidel, C., Klaus, E. S., Gonzalez, N. H., Bhushan, S., Meinhardt, A., Bergmann, M., Renkawitz‐Pohl, R., Rathke, C., Steger, K.

“…Summary In both mammalian and Drosophila spermatids, the completely histone‐based chromatin structure is reorganized to a largely protamine‐based structure…”
Get full text

Presence of histone H3 acetylated at lysine 9 in male germ cells and its distribution pattern in the genome of human spermatozoa by Steilmann, C, Paradowska, A, Bartkuhn, M, Vieweg, M, Schuppe, H-C, Bergmann, M, Kliesch, S, Weidner, W, Steger, K

“…During spermatogenesis, approximately 85% of histones are replaced by protamines. The remaining histones have been proposed to carry essential marks for the…”
Get more information

Epidemiology of nosocomial pneumonia. New perspectives on an old disease by Craven, D E, Steger, K A

Get more information

Epigenetic dysregulation of LINE-1 retrotransposon is observable in motile spermatozoa of sub-fertile men and impacts the outcome of ICSI by Gies, S., Ozturk, N., Schuppe, H.C., Steger, K., Rogenhofer, N., Calay, D., Dansranjavin, T., Schagdarsurengin, U.

Get full text

Expression of hyperacetylated histone H4 during normal and impaired human spermatogenesis by Sonnack, V., Failing, K., Bergmann, M., Steger, K.

“…Histone‐to‐protamine exchange in haploid spermatids is preceded by hyperacetylation of core histones resulting in decreased DNA–histone interaction. During…”
Get full text

PTPIP51 interaction with PTP1B and 14-3-3β in adipose tissue of insulin-resistant mice by Bobrich, M, Brobeil, A, Mooren, F.C, Kruger, K, Steger, K, Tag, C, Wimmer, M

“…Objective: We investigated the expression of protein tyrosine phosphatase-interacting protein 51 (PTPIP51) and its interaction with protein tyrosine…”
Get full text

Carbon Turnover and Ammonia Emissions during Composting of Biowaste at Different Temperatures by Eklind, Y, Sundberg, C, Smars, S, Steger, K, Sundh, I, Kirchmann, H, Jonsson, H

“…The effects of different process temperatures (40, 55, and 67°C) during composting of source-separated household waste were studied in a 200 L compost reactor…”
Get full text