A simplified, competitive RT-PCR method for measuring rat IFN- y mRNA expression (Record no. 45218)

MARC details
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fixed length control field 02271nam a2200325Ia 4500
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control field MX-MdCICY
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control field 20250625140642.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-10990
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Title A simplified, competitive RT-PCR method for measuring rat IFN- y mRNA expression
490 0# - SERIES STATEMENT
Volume/sequential designation Journal of Immunological Methods, 195, p.139-148, 1996
520 3# - SUMMARY, ETC.
Summary, etc. We describe an adaptation of competitive RT-PCR to quantitate rat IFN--y mRNA expression. An IFN-y DNA mimic that shared the same primers and had an identical sequence to the target mRNA except for deletion of 66 nucleotides, was created by a simple PCR amplification from target cDNA. To reduce variations of initial RNA concentrations, p-actin cDNAs from each target RNA sample were normalized using the densitometric data. A known amount of pretitrated DNA competitor was then used to analyze the relative levels of target cDNA in different samples by PCR co-amplification. The amplification efficiency for both target and competitor remained constant throughout the PCR reaction, and the ratio of target to competitor PCR product remained proportional to the initial ratio of target to competitor. Relative mRNA levels among samples determined by this method were comparable to levels determined by northern blot analysis. They were also comparable to levels of IFN-7 protein estimated by ELISA. We conclude that this method can be used to estimate the relative abundance of the target mRNA. This method is adaptable to quantitation of other cytokines and is particularly valuable if there are numerous samples, or if the amount of initial mRNA is limited.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element REVERSE TRANSCRIPTASE-POLYMERASE CHAIN REACTION
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Topical term or geographic name entry element HOUSEKEEPING GENE
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Topical term or geographic name entry element NORTHERN BLOT ANALYSIS
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Topical term or geographic name entry element ELISA
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element DNA MIMIC
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element IFN-Y MRNA
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element (RAT)
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Sun, B.
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Personal name Wells, J.
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Personal name Goldmuntz, E.
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Personal name Silver, P.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Remmers, E.F.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Wilder, R.L.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Caspi, R.R.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/10lblbSmOEiwKrMRqQ7UzgSTHIr3w3_mc/view?usp=drivesdk">https://drive.google.com/file/d/10lblbSmOEiwKrMRqQ7UzgSTHIr3w3_mc/view?usp=drivesdk</a>
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-10990 25.06.2025 25.06.2025 Documentos solicitados