Evidence mapPaperPMID 41275303Full record

ArticleJournal of cannabis research2025

Genotype and chemotype insights of high-THC medicinal Cannabis sativa L.: the role of SSR markers in the identification of cultivars.

Ana Patrícia Gomes, Sara Vicente, Joana Rosa, Iva Vinhas, António Marques da Costa, Michael Sassano, Luis Monteiro Rodrigues, Patrícia Rijo, Helena Trindade, Maria do Céu Costa

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Article in Journal of cannabis research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Ana Patrícia GomesCBIOS - Universidade Lusófona's Research Center for Biosciences & Health Technologies, Campo Grande 376, Lisboa, 1749-024, Portugal.ORCID http://orcid.org/0009-0006-2286-9817
Sara VicenteNICiTeS, IPLUSO, ERISA-Escola Superior de Saúde Ribeiro Sanches, Lisboa, Portugal.ORCID http://orcid.org/0000-0002-8538-3586
Joana RosaSOMAÍ Pharmaceuticals, R. 13 de Maio 52, Carregado, 2580-507, Portugal.
Iva VinhasSOMAÍ Pharmaceuticals, R. 13 de Maio 52, Carregado, 2580-507, Portugal.
António Marques da CostaSOMAÍ Pharmaceuticals, R. 13 de Maio 52, Carregado, 2580-507, Portugal.
Michael SassanoSOMAÍ Pharmaceuticals, R. 13 de Maio 52, Carregado, 2580-507, Portugal.
Luis Monteiro RodriguesCBIOS - Universidade Lusófona's Research Center for Biosciences & Health Technologies, Campo Grande 376, Lisboa, 1749-024, Portugal.ORCID http://orcid.org/0000-0003-0198-7671
Patrícia RijoCBIOS - Universidade Lusófona's Research Center for Biosciences & Health Technologies, Campo Grande 376, Lisboa, 1749-024, Portugal.ORCID http://orcid.org/0000-0001-7992-8343
Helena TrindadecE3c - Centre for Ecology, Evolution and Environmental Changes & CHANGE - Global Change and Sustainability Institute, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Lisboa, 1749-016, Portugal. mhdonato@ciencias.ulisboa.pt.ORCID http://orcid.org/0000-0002-1209-2622
Maria do Céu CostaCBIOS - Universidade Lusófona's Research Center for Biosciences & Health Technologies, Campo Grande 376, Lisboa, 1749-024, Portugal.ORCID http://orcid.org/0000-0002-9887-0973

Funding

Fundação para a Ciência e a Tecnologia 10.54499/UIDP/04567/2020Fundação para a Ciência e a Tecnologia UID/BIA/00329/2020
6 · The paper itself

Abstract

backgroundStandardized methods for distinguishing high-THC Cannabis sativa L. genotype versus chemotype of cultivars remain limited, posing challenges for quality control and regulatory compliance in the medicinal cannabis industry. This study addresses the integration of genetic and chemical profiling for the standardization and quality control of medicinal High-THC Cannabis sativa L. clonal cultivars, focusing on the potential use of SSR markers combined with high-performance liquid chromatography (HPLC) for cultivar characterization.

methodsDNA was extracted from C. sativa L. leaf using a modified Mini-CTAB protocol, followed by PCR amplification based on 12 SSR primers, and capillary electrophoresis for genetic analysis. HPLC-PDA was used to quantify cannabinoid content, while non-cannabinoid components, including phenolics, flavonoids, chlorophyll, and waxes, were investigated using specific methods. Using eight individual specimens of the plants, the study evaluated three distinct cultivars (identified as A, B, and C), representing key genetic variations.

resultsGenetic analysis revealed that the eight SSR markers amplified allele sizes ranging from 147 to 326 bp, depending on the locus. ANUCS303, ANNUCS304, and C11CANN1 amplified respectively two, three, and three alleles and were valuable tools for cultivar fingerprinting. Further validation based on a broader range of cultivars and primers is needed to enhance the reliability of SSR-based cultivar identification. Chemical analysis showed similar cannabinoid profiles across cultivars, with a high THC [82–84% (w/w)] and a low CBD [0.5–0.8% (w/w)]. Non-cannabinoids, including waxes and chlorophylls, were quantified and efficiently removed during process purification. The extraction and purification processes significantly increased ∆9-THC content, with total cannabinoid content reaching 97% in purified extracts while preserving cannabinoid profiles, with minor differences across the cultivars’ chemical fingerprints.

conclusionsThe study highlights the importance of combining genetic and chemical profiling for standardizing C. sativa L. cultivars. SSR markers can effectively aid in cultivar identification and quality control, and the combined “identity fingerprint” is important to ensure therapeutic equivalence across batches of clonal lines. These efforts should be designed to enhance the safety, reliability, and efficacy of vegetatively propagated cannabis-based therapeutics.

Indexed as

CannabinoidsCannabis sativa L.Cultivar fingerprintingFlavonoidsPhenolicsSSR markerTherapeutic applications

Identifiers

PMID41275303
PMCPMC12763954

What Socratic holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.