Evidence map›Paper›PMID 33945121›Full record

ArticleJournal of natural medicines2021

Brazilian propolis (AF-08) inhibits collagen-induced platelet aggregation without affecting blood coagulation.

Chihiro Sugita, Atsushi Yamashita, Shigetoshi Tsutsumi, Hisahiro Kai, Tohru Sonoda, Hiroki Yoshida, Ryuichi Yamamoto, Yujiro Asada, Masahiko Kurokawa

Abstract read
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Article in Journal of natural medicines, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
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

2 citing papers in PubMed.

  1. Article
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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

9 authors.

Chihiro SugitaGraduate School of Clinical Pharmacy, Kyushu University of Health and Welfare, 1714-1 Yoshino-cho, Nobeoka, Miyazaki, 882-8508, Japan.
Atsushi YamashitaDepartment of Pathology, Faculty of Medicine, University of Miyazaki, 5200 Kihara, Kiyotake, Miyazaki, 889-1692, Japan.
Shigetoshi TsutsumiAmazonfood Co., Ltd, 3-1-8 Misaki-cho, Chiyoda, Tokyo, 101-0061, Japan.
Hisahiro KaiGraduate School of Clinical Pharmacy, Kyushu University of Health and Welfare, 1714-1 Yoshino-cho, Nobeoka, Miyazaki, 882-8508, Japan.
Tohru SonodaDepartment of Occupational Therapy, School of Health and Science, Kyushu University of Health and Welfare, 1714-1 Yoshino-cho, Nobeoka, Miyazaki, 882-8508, Japan.
Hiroki YoshidaGraduate School of Clinical Pharmacy, Kyushu University of Health and Welfare, 1714-1 Yoshino-cho, Nobeoka, Miyazaki, 882-8508, Japan.
Ryuichi YamamotoGraduate School of Clinical Pharmacy, Kyushu University of Health and Welfare, 1714-1 Yoshino-cho, Nobeoka, Miyazaki, 882-8508, Japan.
Yujiro AsadaDepartment of Pathology, Faculty of Medicine, University of Miyazaki, 5200 Kihara, Kiyotake, Miyazaki, 889-1692, Japan.
Masahiko KurokawaGraduate School of Clinical Pharmacy, Kyushu University of Health and Welfare, 1714-1 Yoshino-cho, Nobeoka, Miyazaki, 882-8508, Japan. b2mk@phoenix.ac.jp.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Brazilian propolis (AF-08) is a dietary supplement containing a variety of flavonoids. It is used worldwide as a folk medicine. Flavonoids and a diet of fruits and vegetables containing them have been shown to reduce the risk of cardiovascular diseases (CVDs). Most of CVDs are caused by arterial thrombus formation. A thrombus is formed by the interaction between adhesion and aggregation of platelets to damaged blood vessels and blood coagulation consisting of extrisic and intrinsic pathways. Platelet aggregation and blood coagulation are closely linked to thrombosis. Therefore, we evaluated the effectiveness of AF-08 or its component flavonoids against thrombosis by examining their inhibition of platelet aggregation and blood coagulation. Human platelet-rich plasma was incubated with serial dilutions of AF-08 for 10 min to assess its inhibitory effect on platelet aggregation caused by collagen. The inhibitory effect of AF-08 on blood coagulation was evaluated by the prothrombin time (PT) and activated partial thromboplastin time (APTT), which reflect the coagulation function of extrinsic and intrinsic pathways, respectively. AF-08 significantly inhibited collagen-induced platelet aggregation but not PT and APTT, indicating that AF-08 inhibited platelet aggregation but not blood coagulation. Among three flavonoids contained in AF-08, apigenin and chrysin obviously inhibited platelet aggregation but the inhibitory effect of kaempferol was less effective. The three flavonoids did not affect PT and APTT. The inhibitory activity of AF-08 on human platelet aggregation without affecting blood coagulation was suggested to be partially due to apigenin and chrysin. AF-08 may be effective in suppressing platelet-based arterial thrombus formation and reducing the risk of CVDs.

Indexed as

Platelet AggregationPropolisBlood CoagulationBlood PlateletsCollagenHumansCollagenPropolisApigeninBlood coagulationBrazilian propolisChrysinPlatelet aggregation

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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 OpenQuestion graph.