PubMed · 11847914
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U Schüklenk. 2001. Ethical issues in continuing professional development.. https://pubmed.ncbi.nlm.nih.gov/11847914/
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We report the results of Spanish and Portuguese working group (GEP) of International Society of Forensic Genetics (ISFG) Collaborative Exercise 2001-2002 on mitochondrial DNA (mtDNA) analysis. 64 laboratories from Spain, Portugal and several Latin-American countries participated in this quality control exercise. Five samples were sent to the participating laboratories, four blood stains (M1-M4) and a sample (M5) consisting of two hair shaft fragments. M4 was non-human (Felis catus) in origin; therefore, the capacity of the labs to identify the biological source of this sample was an integral part of the exercise. Some labs detected the non-human origin of M4 by carrying out immuno-diffussion techniques using antihuman serum, whereas others identified the specific animal origin by testing the sample against a set of animal antibodies or by means of the analysis of mtDNA regions (Cyt-b, 12S, and 16S genes). The results of the other three human blood stains (M1-M3) improved in relation to the last Collaborative Exercises but those related to hairs yielded a low rate of success which clearly contrasts with previous results. As a consequence of this, some labs performed additional analysis showing that the origin of this low efficiency was not the presence of inhibitors, but the low quantity of DNA present in these specific hair samples and the degradation. As a general conclusion the results emphasize the need of external proficiency testing as part of the accreditation procedure for the labs performing mtDNA analysis in forensic casework.
Cervical screening in Australia is a successful public health initiative. Since the introduction of the National Cervical Screening Program in 1991, there has been a significant fall in incidence of and mortality from cervical cancer. Laboratory quality procedures are critical to ensuring optimal outcomes. Laboratory accreditation procedures are being reviewed in line with recent government recommendations. For a sustainable program, cost-containment issues need to be considered; screening interval, management of screen-detected abnormalities, and new technologies are the critical drivers of cost.