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Träfflista för sökning "WFRF:(Andersson Susanne) srt2:(1995-1999)"

Sökning: WFRF:(Andersson Susanne) > (1995-1999)

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  • Andersson, Yvonne, et al. (författare)
  • Three variants of parathyroid hormone-related protein messenger RNA are expressed in human mammary gland.
  • 1997
  • Ingår i: Pediatric Research. - 0031-3998 .- 1530-0447. ; 41:3, s. 380-3
  • Tidskriftsartikel (refereegranskat)abstract
    • PTH-related protein (PTHrP) is found in a variety of tissues; particularly high levels are present in human milk. The structure of the human PTHrP gene is complex, and alternative splicing allows expression of three different variants PTHrP139, PTHrP173, and PTHrP141, respectively. To determine which of the variants are expressed in human mammary gland a reverse transcriptase polymerase chain reaction (RT-PCR) method was elaborated, distinguishing the three variants. mRNA isolated from human milk cells, human mammary epithelial cells (HMEC) and human nonlactating mammary gland cells were analyzed. The RT-PCR experiments resulted in amplification of DNA fragments corresponding to all three variants for all three cell sources tested. The nucleotide sequences of the PCR fragments were determined and verified to be identical to the reported sequences. Hence, it is concluded that human mammary gland epithelial cells express three variants of PTHrP. Whether these have different physiologic effects in the mammary gland or in the breast fed infant remain to be explored.
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  • Lindberg, A. Michael, et al. (författare)
  • Echovirus 5 : infectious transcripts and complete nucleotide sequence from uncloned cDNA
  • 1999
  • Ingår i: Virus Research. - 0168-1702. ; 59:1, s. 75-87
  • Tidskriftsartikel (refereegranskat)abstract
    • Echovirus 5 (EV5) may be isolated from various neurological and exanthematic diseases. To determine the relationship of EV5 to other enteroviruses and for studies of its interactions with the target cell, the complete nucleotide sequence of EV5 was determined. Three overlapping fragments, collectively representing the complete genome, were amplified with RT–PCR and sequenced. Analysis of the EV5 sequence revealed a typical enterovirus-like organization of the genome. To verify that the cDNA generated sequence was derived from infectious viruses, complete EV5 genomes were amplified in one amplicon by long distance PCR. Transfection of in vitro transcribed RNA from these amplicons into cell cultures resulted in replicating EV5. Comparison of the overall nucleotide and amino acid sequences demonstrates that EV5 can be regarded as a coxsackievirus B-like enterovirus. Variable sequences between EV5 and the well characterized coxsackievirus B3 (CVB3) are for the most part observed for amino acid residues that correspond to exposed sequences in the CVB3 capsid. This observation indicates that the reported EV5 strain recently diverged from group B coxsackieviruses.
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