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Utvärdering och implementering av antikroppen anti-NKX3.1 för diagnostik av metastaserande prostata-adenocarcinom
Jönköping University, School of Health and Welfare, HHJ, Dep. of Natural Science and Biomedicine.
2021 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Evaluation and implementation of anti-NKX3.1 antibody for diagnosis of metastatic prostate adenocarcinoma (English)
Abstract [sv]

Prostata-adenocarcinom är den vanligaste cancerformen hos män. Anti-PSA och anti-P501S är frekvent använda antikroppar för diagnostisering av prostata-adenocarcinom i vävnadsbiopsier, men kan ha svag eller negativ infärgning av antigenen. Antikroppen anti-NKX3.1 har visat sig ha en högre sensitivitet och starkare infärgning än anti-PSA och anti-P501S vid prostata-adenocarcinom. Det rekommenderas att använda anti-NKX3.1 tillsammans med anti-PSA och/eller anti-P501S för att diagnostisera metastaserande prostata-adenocarcinom.

Studiens syfte var att utvärdera och implementera antikroppen anti-NKX3.1 för diagnostisering av metastaserande prostata-adenocarcinom.

Positiva vävnadskontroller (prostatavävnad och testisvävnad) och negativ vävnadskontroll (appendix) färgades med anti-NKX3.1 i Roche Ventana Benchmark ULTRA med immunohistokemisk färgning. Förbehandlingarna CC1 mild, CC1 standard och Proteas 1 samt visualiseringskiten OptiView samt UltraView jämfördes. Spädningen optimerades från 1:50-1:200. Vävnadssnitten graderades sedan från 1 (ingen infärgning)-6 (starkast infärgning).

Visualiseringskitet OptiView samt förbehandlingen CC1 standard gav den starkaste infärgningen med anti-NKX3.1 och valdes som det optimala visualiseringskitet respektive förbehandlingen. Med tanke på materialkostnad och smidighet valdes spädningen 1:100 som den optimala spädningen.

Abstract [en]

Prostate adenocarcinoma is the most common form of cancer in men. Anti-PSA and anti-P501S are frequently used antibodies for diagnosing of prostate adenocarcinoma in tissue biopsies but may show weak or negative staining of the antigens. Antibody anti-NKX3.1 has been shown to have a higher sensitivity and stronger staining then anti-PSA and anti-P501S in prostate adenocarcinoma. It is recommended to use anti-NKX3.1 along with anti-PSA and/or anti-P501S to diagnose metastases of prostate adenocarcinoma.

The purpose of the study was to evaluate and implement the antibody anti-NKX3.1 for diagnosis of metastatic prostate adenocarcinoma.

Positive tissue controls (prostate and testis) and negative tissue control (appendix) were stained with anti-NKX3.1 immunohistochemical staining in Roche Ventana Benchmark ULTRA machine. The pre-treatments CC1 mild, CC1 standard and Protease 1 and the visualization kits OptiView and UltraView were compared. The dilution was optimized from 1:50-1:200. Immunohistochemical staining of the tissue was graded from 1 (no staining) - 6 (strongest staining).

Visualization kit OptiView and pre-treatment CC1 standard gave the strongest staining with anti-NKX3.1 and were chosen as the optimal visualization kit and pre-treatment. Considering the material cost and flexibility, the 1:100 dilution was chosen as the optimal dilution. 

Place, publisher, year, edition, pages
2021. , p. 37
Keywords [en]
Pathology, prostate, testis, immunohistochemical staining, nuclear staining
Keywords [sv]
Patologi, prostata, testis, immunohistokemiska färgningar, kärnfärgning
National Category
Biomedical Laboratory Science/Technology
Identifiers
URN: urn:nbn:se:hj:diva-53076ISRN: JU-HHJ-BLA-1-20210112OAI: oai:DiVA.org:hj-53076DiVA, id: diva2:1564481
Subject / course
HHJ, Biomedical Laboratory Science
Supervisors
Examiners
Available from: 2021-06-15 Created: 2021-06-11 Last updated: 2025-10-13Bibliographically approved

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Utvärdering och implementering av antikroppen anti-NKX3.1 för diagnostik av metastaserande prostata-adenocarcinom(4845 kB)387 downloads
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