Evidence map›Paper›PMID 38116449›Full record

ArticleACS medicinal chemistry letters2023

Bispecific Antibodies Produced via Chemical Site-Specific Conjugation Technology: AJICAP Second-Generation.

Tomohiro Fujii, Kenichiro Ito, Kazutoshi Takahashi, Tsubasa Aoki, Rika Takasugi, Takuya Seki, Yusuke Iwai, Tomohiro Watanabe, Ryusuke Hirama, Ryo Tsumura and 3 more

Open access · greenAbstract read
In one paragraph

Article in ACS medicinal chemistry letters, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
2.1field-weighted citation impact, top 12% of its field
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

3 citing papers in PubMed, 9 citations in OpenAlex.

  1. Article
  2. Article
  3. Current advances in separation chemistry for antibody purification and analysis.Analytical sciences : the international journal of the Japan Society for Analytical Chemistry · 2025
    Review
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

13 authors at 3 institutions in 2 countries.

Tomohiro FujiiAjinomoto Co., Inc, 1-1, Suzuki-Cho, Kawasaki-Ku, Kawasaki-Shi, Kanagawa 210-8681, Japan.
Kenichiro ItoAjinomoto Co., Inc, 1-1, Suzuki-Cho, Kawasaki-Ku, Kawasaki-Shi, Kanagawa 210-8681, Japan.ORCID https://orcid.org/0000-0001-7231-6838
Kazutoshi TakahashiAjinomoto Co., Inc, 1-1, Suzuki-Cho, Kawasaki-Ku, Kawasaki-Shi, Kanagawa 210-8681, Japan.ORCID https://orcid.org/0000-0003-3275-4109
Tsubasa AokiAjinomoto Co., Inc, 1-1, Suzuki-Cho, Kawasaki-Ku, Kawasaki-Shi, Kanagawa 210-8681, Japan.
Rika TakasugiAjinomoto Co., Inc, 1-1, Suzuki-Cho, Kawasaki-Ku, Kawasaki-Shi, Kanagawa 210-8681, Japan.
Takuya SekiAjinomoto Co., Inc, 1-1, Suzuki-Cho, Kawasaki-Ku, Kawasaki-Shi, Kanagawa 210-8681, Japan.
Yusuke IwaiAjinomoto Co., Inc, 1-1, Suzuki-Cho, Kawasaki-Ku, Kawasaki-Shi, Kanagawa 210-8681, Japan.
Tomohiro WatanabeAjinomoto Co., Inc, 1-1, Suzuki-Cho, Kawasaki-Ku, Kawasaki-Shi, Kanagawa 210-8681, Japan.
Ryusuke HiramaAjinomoto Co., Inc, 1-1, Suzuki-Cho, Kawasaki-Ku, Kawasaki-Shi, Kanagawa 210-8681, Japan.
Ryo TsumuraDivision of Developmental Therapeutics, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa City 277-8577, Japan.
Hirobumi FuchigamiDivision of Developmental Therapeutics, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa City 277-8577, Japan.
Masahiro YasunagaDivision of Developmental Therapeutics, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa City 277-8577, Japan.ORCID https://orcid.org/0000-0003-3356-0197
Yutaka MatsudaAjinomoto Bio-Pharma Services, 11040 Roselle Street, San Diego, California 92121, United States.ORCID https://orcid.org/0000-0003-2801-4706
Suzuki (Japan) · JPNational Cancer Center Hospital East · JPAjinomoto (United States) · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Bispecific antibodies (BisAbs) are biotherapeutics that amalgamate the specificities of two distinct antibodies into one molecule, however, their engineering requires genetic modification and remains time-consuming. Therefore, we used AJICAP second-generation technology, which drives the production of site-specific conjugation without genetic modification requirements, to generate BisAbs. Using haloketone chemistry as an alternative to maleimide chemistry, we successfully produced site-specific antibody conjugates. Pharmacokinetic studies revealed that the haloketone-based antibody conjugate was stable in the rat plasma. The resultant BisAbs were rigorously evaluated, and surface plasmon resonance measurements and flow cytometry analyses confirmed that the antigen binding remained intact. Additionally, the affinity for the neonatal Fc receptor (FcRn) was retained after conjugation. Further cytotoxicity evaluation emphasized the pronounced activity of the generated BisAbs. This novel approach introduces a fully chemical, site-specific strategy capable of producing BisAbs, heralding a new era in the field of biotherapeutics.

Identifiers

PMID38116449
PMCPMC10726434
OpenAlexW4388861191

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.