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最新の出版物 – 機能獲得に関する特許

Gain-of-Function Research

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Gain-of-function research
機能獲得研究は、ウイルスの進化に関する理解を深め、潜在的なパンデミックに対する革新的な医療対応策を策定する上で役立つ。

機能獲得研究(GoFR)とは、伝染性、病原性、宿主範囲などの特定の表現型特性を変化させるために、生物学的因子を標的的に改変する研究である。この分野では、逆遺伝学、部位特異的変異誘発、継代培養などの手法を用いて、ウイルスの進化や人獣共通感染症の伝播における分子的な要因を解明する。

免疫回避や異種間適応を可能にする突然変異を特定することで、科学者たちはパンデミックの脅威を予測し、医療対策の設計を加速させる。

以下のインデックスは、最近の査読済み出版物を集約し、 特許 合成ゲノミクスとウイルス工学における技術的進歩を記録した提出書類。これらの書類は、二重用途研究の監督とバイオセーフティプロトコルの規制上の制約内における、強化された潜在的パンデミック病原体(ePPP)の現状を明確に示している。

これは、多数の科学オンラインジャーナルの中から、機能獲得に関する英語の世界中の出版物と特許の最新のセレクションです。分類され、連続継代、懸念されるデュアルユース研究、機能獲得、潜在的パンデミック病原体の増強、P3CO、病原性増強、伝染性増強、宿主範囲の拡大、ウイルス指向性、部位特異的変異誘発、逆遺伝学、合成ゲノム、選択圧、逃避変異体、ウイルスバックボーン、スパイクタンパク質の修飾、受容体結合親和性、人獣共通感染症のスピルオーバーの可能性、バイオセーフティレベル4、バイオセキュリティ監視、バイオリスク管理、実験室獲得感染、キメラウイルス、ウイルスレスキュー、フリン切断部位挿入、生体内適応、GoFR、機能獲得に焦点を当てています。

Muscle-Specific DNM2 Overexpression Improves Charcot&ndash;Marie&ndash;Tooth Disease In Vivo and Reveals a Narrow Therapeutic Window in Skeletal Muscle

Published on 2026-02-02 by Marie Goret, Gwenaelle Piccolo, Jocelyn Laporte @MDPI

Abstract: Charcot&amp;ndash;Marie&amp;ndash;Tooth disease (CMT), caused by dominant loss-of-function mutations in DNM2, encoding the GTPase dynamin-2, impairs motor and sensory function. However, the respective contributions of muscle and nerve pathology, and the therapeutic potential of increasing DNM2 expression, remain unresolved. We evaluated tissue-targeted and systemic approaches to increase DNM2 in a mouse model carrying the common K562E-CMT mutation. Muscle-specific DNM2 overexpression fro[...]


Our summary: Muscle-specific DNM2 overexpression improves symptoms in a mouse model of Charcot-Marie-Tooth disease. Systemic delivery of DNM2 worsens muscle pathology despite increased expression. Findings emphasize the importance of precise DNM2 dosage for effective treatment and highlight a narrow therapeutic window.

DNM2, Charcot-Marie-Tooth, muscle pathology, therapeutic window

Publication

Sublethal Antibiotic Exposure Induces Microevolution of Quinolone Resistance in Pathogenic Vibrio parahaemolyticus

Published on 2026-01-30 by Qian Wu, Han Yang, Tianming Xu, Pradeep K. Malakar, Huan Li, Yong Zhao @MDPI

Abstract: The microevolutionary pathways and molecular mechanisms by which the important pathogen Vibrio parahaemolyticus acquires resistance in the aquatic environment under continuous selective pressure from quinolone antibiotic residues are still unknown. Here, the study successfully simulated the long-term pressure of antibiotic residues in aquaculture by susceptible V. parahaemolyticus (VPD14) which was isolated from seafood, to a 30-day in vitro induction with sublethal concentrations of levofloxaci[...]


Our summary: Sublethal exposure to quinolone antibiotics induces microevolution in Vibrio parahaemolyticus. Mutants exhibit resistance to multiple antibiotics and adaptations such as decreased growth rates. Whole-genome sequencing reveals key mutations in resistance-determining regions associated with this resistance.

Microevolution, Quinolone Resistance, Vibrio parahaemolyticus, Antibiotic Exposure

Publication

Occurrence, Seasonal Variation, and Microbial Drivers of Antibiotic Resistance Genes in a Residential Secondary Water Supply System

Published on 2026-01-22 by Huaiyu Tian, Yu Zhou, Dawei Zhang, Weiying Li @MDPI

Abstract: The widespread use of antibiotics has led to the persistence of antibiotic-resistant bacteria (ARB) and antibiotic resistance genes (ARGs) in drinking water systems, posing potential public health risks at the point of use. In this study, a residential secondary water supply system (SWSS) in eastern China was investigated over one year to characterize microbial communities, ARB and ARG occurrence, and their associations with water quality in bulk water and biofilms. Culture-based methods, flow c[...]


Our summary: This study investigates the occurrence of antibiotic resistance genes (ARGs) in a residential secondary water supply system over one year. Significant microbial regrowth and higher ARG concentrations were observed, particularly in autumn and winter. The findings emphasize the influence of secondary distribution conditions and microbial interactions on resistance risks in drinking water systems.

Antibiotic Resistance, Microbial Communities, Water Quality, Seasonal Variation

Publication

Kr&uuml;ppel-like Factor 2 (KLF2) in the Regulation of Lipid Accumulation, ROS, and Mitochondrial Functions During Foam Cell Formation in RAW264.7 Cells

Published on 2026-01-06 by Md Sariful Islam Howlader, Manjusri Das, Surajit Hansda, Prathyusha Naidu, Hiranmoy Das @MDPI

Abstract: Foam cell formation, a hallmark of early atherosclerotic lesion development, is closely associated with mitochondrial dysfunction and excessive reactive oxygen species (ROS) production. Disruption in mitochondrial activity leads to electron leakage, elevated ROS generation, and collapse of mitochondrial membrane potential, contributing to vascular pathogenesis. In this study, we investigated the role of Kr&amp;uuml;ppel-like factor 2 (KLF2), a transcription factor known for its vasculoprotec[...]


Our summary: KLF2 regulates lipid accumulation and mitochondrial functions during foam cell formation in RAW264.7 cells. Its loss promotes foam cell formation and increases ROS, while its gain reduces these effects. This study highlights KLF2 s potential as a therapeutic target for cardiovascular diseases.

KLF2, foam cells, mitochondrial dysfunction, reactive oxygen species

Publication

Methods of treatment of neurological disorders

Patent published on the 2025-12-18 in WO under Ref WO2025259553 by PRAXIS PREC MEDICINES INC [US] (Frizzo Silvana [us], Silva De Souza Marcio [us], Petrou Steven [us])

Abstract: The present disclosure is generally directed to methods of treating a disease, disorder, or condition, e.g., a neurological disorder, a disorder associated with excessive neuronal excitability, or a disorder associated with de novo gain-of-function or loss-of-function mutations in major central nervous system sodium channel genes, such as for example, SCN1A, SCN2A, and SCN8A, using Compound 1 represented by the following structural formula:or a pharmaceutically acceptable salt thereof.[...]


Our summary: The document discusses treatment methods for neurological disorders linked to sodium channel gene mutations. It focuses on using Compound 1 or its pharmaceutically acceptable salts. The target disorders involve excessive neuronal excitability due to specific genetic mutations.

neurological disorders, sodium channel genes, treatment methods, Compound 1

Patent

取り上げるトピック: 機能獲得、ウイルス進化、医療対応、標的改変、表現型特性、伝染性、病原性、宿主範囲、逆遺伝学、部位特異的変異誘発、継代培養、人獣共通感染症の伝播、免疫回避、異種間適応、パンデミックの脅威、医療対策、パンデミック病原体の潜在的増強、デュアルユース研究の監督、バイオセーフティプロトコル ISO 35001、ISO 9001、ISO 14001、ISO 45001、および ISO 17025。

歴史的背景

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2013-09-24

(日付が不明または関連性がない場合、例えば「流体力学」などでは、その注目すべき出現時期の概算値が提示されます。)

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