In vitro amplification of the alpha sub(1)-antitrypsin gene

TRRP Training: 2022 Program

presented by: GSI Environmetal Inc.

Texas Risk Reduction Program regulations (TRRP; 30 TAC 350) establish consistent risk-based protocols for assessment and response to soil, groundwater, or surface water impacts associated with environmental releases of regulated wastes or substances.

Presented by GSI Environmental Inc., this popular and informative training series is a must for professionals who need a working understanding of TRRP and those needing to stay up-to-date with the latest TCEQ TRRP guidance and policies.

TRRP Training Course (2 Days): Provides an overview of the TRRP framework and step-by-step training on property assessment and response action procedures established under the TRRP rule

Attendees will become acquainted with rules, key guidance and policies covering affected property assessments, protective concentration levels, and response actions. The course material presents strategies for efficient project management in compliance with TRRP and explains the various report forms adopted by TCEQ.

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Dates and Location

Dates

June 14th and 15th, 2022

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Crowne Plaza River Oaks 2712 SW Freeway Houston, Texas 77098 713.523.8448 http://www.crowneplaza.com/

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Authors: J. Hejtmancik, J. Holcomb, Lyndsey Howard, Mindy Vanderford

Published: February 1989 in Prenatal Diagnosis volume 9 (3) pages 177-186.

Abstract
Discrimination of the M, Z, and S alleles of alpha 1-antritrypsin (AAT) has been carried out using in vitro gene amplification with the polymerase chain reaction (PCR). Amplification of 90 nucleotides surrounding the Z mutation site and 120 nucleotides surrounding the S mutation site dramatically improves the sensitivity and reliability of allele-specific oligonucleotide (ASO) hybridization for direct detection of these alleles. Analysis is performed using Southern blots or dot blots hybridized with 19 base oligonucleotides and differentially washed for allele specificity. Amplification of the Z and S mutation sites can be combined in one PCR to allow detection of both mutations when analysed by gel electrophoresis and Southern transfer. This technique can be performed reliably using less than 0.1 micrograms of genomic DNA or less than 100 amniocytes or white blood cells. This technique has been used to perform prenatal diagnosis on a chorionic villus sample (CVS) in a fetus at risk for the ZZ Pi type form of AAT deficiency.