Name: a choroid plexus epithelial cell-based model of the human blood-cerebrospinal fluid barrier to study bacterial infection from the basolateral side
Uploaded: 2016-05-06T15:00:00
Description: Watch this Scientific Journal Video about A Choroid Plexus Epithelial Cell-based Model of the Human Blood-Cerebrospinal Fluid Barrier to Study Bacterial Infection from the Basolateral Side at JoVE.com

The authors would like to thank Prof. Hartwig Wolburg for performing the electron microscopy.

1.倒立モデル系で播種HIBCPP細胞のための細胞培養フィルターインサートを準備します<ol><li>前加温DMEM / F12（ハム）を5μg/ mlのインスリン、100 U / mlペニシリン、100μg/ mlのストレプトマイシンおよび10％ウシ胎児血清（FCS）を補充しました。 </li><li>逆さまに12ウェルプレート（ 図1E）に3ミクロンの細孔サイズで0.33 cm 2の成長領域の細胞培養フィルターインサートを配置するために?...

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CPの上皮細胞は、血液2,3からCSFを分離BCSFBを形成します。我々は最近、BCSFBの機能性ヒトモデルとしてHIBCPP細胞株を確立しました。細胞は、高い膜電位の開発、巨大分子のための低透過性、ならびにのTJ 5の連続ストランドの存在を含むin vitroでの BCSFBの重要なバリア機能を表示します。 TJ蛋白質は、細胞の基底外側/頂端の極性に寄与する。極性は、表面受容体ならびに?...

血液脳脊髄液関門（BCSFB）は、血液と脳の1の間に3つのバリアサイトの一つです。その形態学的相関脈絡叢（CP）2,3、強く脳室に血管新生および配置されている内皮上皮回旋の上皮細胞です。 CPは、脳脊髄液（CSF）を生成するだけでなく、血液から後者を分離するのに役立ちます。バリア機能を実現するために、CP上皮細胞は、低飲作用活性を示す特定のトランスポーターを発現し、そして密に密着結合（のTJ）2,3の連続的なネットワークで接続されています。 日本人女性4の悪性脈絡叢乳頭腫由来のヒト脈絡叢乳頭腫（HIBCPP）細胞は、BCSFBのインビトロモデルで機能を構築するために使用しました。 HIBCPP細胞は、TJの形成などの機能BCSFBの特性のいくつかを示してストランド、経上皮電気抵抗（TEER）のように決定することができる高い経上皮膜電位の開発、および高分子のマイナー透過性。また、HIBCPP細胞は、イオン性微小環境を調節するために機能し、基底外側/アピカル極性5,6,7を示すことが特徴的なトランスポーターを発現します。 BCSFBは、中枢神経系（CNS）8への病原体（細菌、ウイルス、および真菌）のための侵入部位として機能することが示されています。 髄膜炎菌 （ 髄膜炎菌 ）、グラム陰性菌、などの病原体の侵入は、髄膜炎などの重篤な病気を引き起こす可能性があります。 それはCPの保護上皮バリアを克服したという証拠は、血管およびCP上皮細胞9,10で髄膜炎菌の増加量を示す髄膜炎菌性疾患を有する患者における組織病 ​​理学的観察によってサポートされています。宿主細胞のBAへの参入を得るために、cteriaは、多くの場合、宿主細胞上にある特定の表面受容体によって媒介またはトリガされるエンドサイトーシス機構を乗っ取ります。これらの受容体と病原体の相互作用は11種特異的であることができるので、動物モデルにのみ制限された範囲に相談することができます。 HIBCPP細胞株は、浸潤プロセスならびにヒトモデル系において根底にある分子メカニズムを研究する機会を提供します。細胞培養インサートを採用するには、2つのセルの側面から宿主細胞と病原体の相互作用を分析することを可能にしています。 N.含む多くの細菌、 髄膜炎菌は 、感染アッセイ中の重力の影響を強く受けます。アッセイ中HIBCPP細胞と病原体の最適な相互作用のために、細菌は、最初に細胞培養フィルターインサートシステムの上部コンパートメントに追加されます。それぞれ、頂端または側底細胞側からの感染を有効にするには、in vitroの系の2つのバリエーションは、ESTAされていますblished：標準システムではHIBCPP細胞は微生物がCSF-側に位置し、細胞（ 図1A、C）の頂端側と接触するように取得されたときの状況を模倣し、フィルタインサートの上部コンパートメントに播種します。対照的に、反転細胞培養フィルターインサートシステムにおいてHIBCPP細胞を使用して細菌が血流に入っている状態を反映しています。微生物は、側底側からの血液との出会いCP上皮細胞（ 図1B、D）に広めます。注目すべきは、このモデル系では、細菌は、基底細胞の側5,7から特に極性様式でHIBCPP細胞に侵入することが示されています。 続いてCPの感染、侵入する病原体パターン認識受容体（PRRは）への連結を介して自然免疫系によって認識され得ます。 PRRのよく説明メンバーは、Toll様受容体（TLR）ファミリーに属します。 TLRは缶ビン病原体関連分子パターン（PAMP）と呼ばれている感染性微生物の特徴構成に、D。受容体のライゲーションは、次にBCSFB 13,14を横切って免疫細胞の遊出を促進するサイトカインおよびケモカイン12の発現を誘発する宿主細胞のシグナル伝達カスケードの活性化をもたらします。 HIBCPP細胞は、mRNAレベルでいくつかのTLRを発現することが示され、N.とその感染されています髄膜炎菌は CXCL1-3、IL6、IL8およびTNFα15,16を含むいくつかのサイトカインおよびケモカインの分泌をもたらします。 ここでは、BCSFBを模倣反転細胞培養インサートシステムで栽培し、ヒト細胞株HIBCPPの感染を記述しています。このモデルシステムは、生体内の関連する側底細胞側だけでなく、その後の細胞応答と病原体の相互作用を研究することができます。

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			<td height="21" style="height:21px;width:216px;">0.25% Trypsin-EDTA</td>
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		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">12-well plates</td>
			<td>Starlab</td>
			<td>CC7682-7512</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">24-well plates</td>
			<td>Starlab</td>
			<td>CC7682-7524</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Anti Neisseria meningitidis &#945;-OMP</td>
			<td></td>
			<td></td>
			<td>This antibody was a gift from Drs. H. Claus and U. Vogel (University of W&#252;rzburg, Germany)</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Alexa Fluor 488 (chicken anti rabbit)</td>
			<td>Invitrogen</td>
			<td>A21441</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Alexa Fluor 594 (chicken anti rabbit)</td>
			<td>Invitrogen</td>
			<td>A21442</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Alexa Fluor 660 Phalloidin</td>
			<td>Invitrogen</td>
			<td>A22285</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Bovine serum albumine (BSA)</td>
			<td>Calbiochem</td>
			<td>12659</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Chocolate agar plates</td>
			<td>Biomerieux</td>
			<td>43109</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Cytochalasin D</td>
			<td>Sigma</td>
			<td>C8273</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">DMEM/F12 + L-Glut + 15 mM HEPES</td>
			<td>Gibco</td>
			<td>31330-095</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">DMEM/F12 + L-Glut + 15 mM HEPES w/o Phenolred</td>
			<td>Gibco</td>
			<td>11039-047</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Dimethyl sulfoxide</td>
			<td>Sigma</td>
			<td>D2650</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Fetal calf serum (FCS)</td>
			<td>Life Technologies</td>
			<td>10270106</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">FITC-Inulin</td>
			<td>Sigma</td>
			<td>F3272</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Insulin</td>
			<td>Sigma</td>
			<td>19278</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">MgCl2</td>
			<td>Sigma</td>
			<td>2393</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">NaHCO3</td>
			<td>Sigma</td>
			<td>55761</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">PBS + Mg +Ca</td>
			<td>Gibco</td>
			<td>14040-174</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Penicillin/Streptomycin</td>
			<td>MP Biomedicals</td>
			<td>1670049</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Polyvitex</td>
			<td>Biomerieux</td>
			<td>55651</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Proteose peptone</td>
			<td>BD</td>
			<td>211684</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Serum-free medium</td>
			<td>Gibco</td>
			<td>10902-096</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Thincert cell culture inserts for 24-well plates, pore size 3 &#181;m</td>
			<td>Greiner</td>
			<td>662630</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Tissue culture flask 75 cm&#178; red cap sterile</td>
			<td>Greiner</td>
			<td>658175</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Triton X-100</td>
			<td>Sigma</td>
			<td>T8787</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Volt-Ohm Meter Millicell-ERS2 with MERSSTX01 electrode</td>
			<td>Millipore</td>
			<td>MERSSTX00</td>
			<td></td>
		</tr>
	</tbody>
</table>

a choroid plexus epithelial cell-based model of the human blood-cerebrospinal fluid barrier to study bacterial infection from the basolateral side

The epithelial cells of the choroid plexus (CP), located in the ventricular system of the brain, form the blood-cerebrospinal fluid barrier (BCSFB). The BCSFB functions in separating the cerebrospinal fluid (CSF) from the blood and restricting the molecular exchange to a minimum extent. An in vitro model of the BCSFB is based on cells derived from a human choroid plexus papilloma (HIBCPP). HIBCPP cells display typical barrier functions including formation of tight junctions (TJs), development of a transepithelial electrical resistance (TEER), as well as minor permeabilities for macromolecules. There are several pathogens that can enter the central nervous system (CNS) via the BCSFB and subsequently cause severe disease like meningitis. One of these pathogens is Neisseria meningitidis (N. meningitidis), a human-specific bacterium. Employing the HIBCPP cells in an inverted cell culture filter insert system enables to study interactions of pathogens with cells of the BCSFB from the basolateral cell side, which is relevant in vivo. In this article, we describe seeding and culturing of HIBCPP cells on cell culture inserts. Further, infection of the cells with N. meningitidis along with analysis of invaded and adhered bacteria via double immunofluorescence is demonstrated. As the cells of the CP are also involved in other diseases, including neurodegenerative disorders like Alzheimer`s disease and Multiple Sclerosis, as well as during the brain metastasis of tumor cells, the model system can also be applied in other fields of research. It provides the potential to decipher molecular mechanisms and to identify novel therapeutic targets.

ここでは、反転し、細胞培養インサートシステムでHIBCPP細胞の培養および感染を説明します。このモデルは、私たちは（ 図1）を普及し、血流を介して上皮細胞に侵入する細菌の生理学的状況を再現、側底細胞側から侵入メカニズムとその下にある分子のシグナル伝達経路を研究することができます。 HIBCPP細...

Watch this Scientific Journal Video about A Choroid Plexus Epithelial Cell-based Model of the Human Blood-Cerebrospinal Fluid Barrier to Study Bacterial Infection from the Basolateral Side at JoVE.com

A Choroid Plexus Epithelial Cell-based Model of the Human Blood-Cerebrospinal Fluid Barrier to Study Bacterial Infection from the Basolateral Side

The epithelial cells of the choroid plexus (CP) form the blood-cerebrospinal fluid barrier (BCSFB). An in vitro model of the BCSFB employs human choroid plexus papilloma (HIBCPP) cells. This article describes culturing and basolateral infection of HIBCPP cells using a cell culture filter insert system.

ヒトの血液脳脊髄液関門の脈絡叢上皮細胞ベースのモデルは、基底外側からの細菌感染症を研究するために、

The epithelial cells of the choroid plexus (CP), located in the ventricular system of the brain, form the blood-cerebrospinal fluid barrier (BCSFB). The ...

Research

JoVE Journal

Medicine

Biomarkers in an Animal Model for Revealing Neural, Hematologic, and Behavioral Correlates of PTSD

PTSDの、ニューラル血液学的および行動的相関関係を明らかにするための動物モデルにおけるバイオマーカー

Identification of biomarkers representing the evolution of the pathophysiology of Post Traumatic Stress Disorder (PTSD) is vitally important, not only for ...

Utilizing Transcranial Magnetic Stimulation to Study the Human Neuromuscular System

人間の神経筋システムを研究するために経頭蓋磁気刺激の活用

Transcranial magnetic stimulation (TMS) has been in use for more than 20 years 1, and has grown exponentially in popularity over the past decade.  While ...

Human Internal Mammary Artery (IMA) Transplantation and Stenting: A Human Model to Study the Development of In-Stent Restenosis

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人間の内胸動脈（IMA）移植およびステント留置術：ステント内再狭窄の開発を研究するための人体モデル

Preclinical in vivo research models to investigate pathobiological and pathophysiological processes in the development of intimal hyperplasia after vessel ...

Human Neuroendocrine Tumor Cell Lines as a Three-Dimensional Model for the Study of Human Neuroendocrine Tumor Therapy

人間の神経内分泌腫瘍療法の研究のための三次元モデルとしての人間の神経内分泌腫瘍細胞株

Neuroendocrine tumors (NETs) are rare tumors, with an incidence of two per 100,&#x200A;000 individuals per year, and they account for 0.5% of all human ...

A Human Ex Vivo Atherosclerotic Plaque Model to Study Lesion Biology

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ヒューマン<em&gt;生体外</em&gt;動脈硬化性プラークのモデルは、病変生物学を研究する

Atherosclerosis is a chronic inflammatory disease of the vasculature. There are various methods to study the inflammatory compound in atherosclerotic ...

High-throughput Flow Cytometry Cell-based Assay to Detect Antibodies to N-Methyl-D-aspartate Receptor or Dopamine-2 Receptor in Human Serum

ハイスループットフローサイトメトリー細胞ベースのアッセイN-メチル-D-アスパラギン酸受容体またはヒト血清中のドーパ​​ミン-2受容体に対する抗体を検出する

Over the recent years, antibodies against surface and conformational proteins involved in neurotransmission have been detected in autoimmune CNS diseases ...

Excitotoxic Stimulation of Brain Microslices as an In vitro Model of Stroke

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脳Microslicesの興奮毒性刺激<em&gt;インビトロ</em&gt;脳卒中のモデル

Examining molecular mechanisms involved in neuropathological conditions, such as ischemic stroke, can be difficult when using whole animal systems. As ...

An Ex vivo Model to Study Hormone Action in the Human Breast

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アン<em&gt;エクスビボ</emヒト乳癌でホルモンの作用を研究するために&gt;モデル

The study of hormone action in the human breast has been hampered by lack of adequate model systems. Upon in vitro culture, primary mammary epithelial ...

Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function

正常および病的脳機能を研究するために脳深部刺激でSaccadometryを使用します

The oculomotor system involves a large number of brain areas including parts of the basal ganglia, and various neurodegenerative diseases including ...

Stem-cell Based Engineered Immunity Against HIV Infection in the Humanized Mouse Model

ヒト化マウスモデルにおけるHIV感染に対する幹細胞ベースの設計さイミュニティ

With the rapid development of stem cell-based gene therapies against HIV, there is pressing requirement for an animal model to study the hematopoietic ...