Name: isolation, characterization and functional examination of the gingival immune cell network
Uploaded: 2016-02-16T15:00:00
Description: Watch this Scientific Journal Video about Isolation, Characterization and Functional Examination of the Gingival Immune Cell Network at JoVE.com

Authors were funded in part by the intramural program of NIDCR (N.M.M) and supported by a Wellcome Trust Stepping Stones Fellowship (097820/Z/11/B to J.E.K) and by a Manchester Collaborative Centre for Inflammation Research grant (to J.E.K). The authors thank Teresa Wild for critically reviewing the manuscript.

このプロトコルに記載されている全ての実験手順は、必要なガイドラインに従い、施設内動物管理使用委員会、NIDCR / NIHによって承認されました。 1.事前に準備<ol><li>完全培地を調製する：RPMIは2mM L-グルタミン、100単位/ mlのペニシリン、100μgの/ mlストレプトマイシン、10％FBSを補充しました。 </li><li> 7.5μgのDNA分解酵素を添加したRPMI培地50ミリリットル（、新鮮なメイク常に氷上に保?...

<ol>
	<li>Aas, J. A., Paster, B. J., Stokes, L. N., Olsen, I., Dewhirst, F. E. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Defining+The+Normal+Bacterial+Flora+Of+The+Oral+Cavity.">Defining The Normal Bacterial Flora Of The Oral Cavity.</a> J Clin Microbiol. 43, 5721-5732 (2005).</li><li>Belkaid, Y., Naik, S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Compartmentalized+And+Systemic+Control+Of+Tissue+Immunity+By+Commensals.">Compartmentalized And Systemic Control Of Tissue Immunity By Commensals.</a> Nat Immunol. 14, 646-653 (2013).</li><li>Darveau, R. P. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Periodontitis:+A+Polymicrobial+Disruption+Of+Host+Homeostasis.">Periodontitis: A Polymicrobial Disruption Of Host Homeostasis.</a> Nat Rev Microbiol. 8, 481-490 (2010).</li><li>Hajishengallis, G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Immunomicrobial+Pathogenesis+Of+Periodontitis:+Keystones,+Pathobionts,+And+Host+Response.">Immunomicrobial Pathogenesis Of Periodontitis: Keystones, Pathobionts, And Host Response.</a> Trends Immunol. 35, 3-11 (2014).</li><li>Eke, P. I., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Prevalence+Of+Periodontitis+In+Adults+In+The+United+States:+2009+And+2010.">Prevalence Of Periodontitis In Adults In The United States: 2009 And 2010.</a> J Dent Res. 91, 914-920 (2012).</li><li>Moutsopoulos, N. M., Lionakis, M. S., Hajishengallis, G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Inborn+Errors+In+Immunity:+Unique+Natural+Models+To+Dissect+Oral+Immunity.">Inborn Errors In Immunity: Unique Natural Models To Dissect Oral Immunity.</a> J Dent Res. , (2015).</li><li>Hajishengallis, G., Lamont, R. J., Graves, D. T. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+Enduring+Importance+Of+Animal+Modelsin+Understanding+Periodontal+Disease.">The Enduring Importance Of Animal Modelsin Understanding Periodontal Disease.</a> Virulence. 6, 229-235 (2015).</li><li>Sharrow, S. O., Coligan, J. E., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Analysis+Of+Flow+Cytometry+Data.">Analysis Of Flow Cytometry Data.</a> Current Protocols In Immunology. , (2001).</li><li>Arizon, M., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Langerhans+Cells+Down-Regulate+Inflammation-Driven+Alveolar+Bone+Loss.">Langerhans Cells Down-Regulate Inflammation-Driven Alveolar Bone Loss.</a> Proc Natl Acad Sci U S A. 109, 7043-7048 (2012).</li><li>Moutsopoulos, N. M., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Defective+Neutrophil+Recruitment+In+Leukocyte+Adhesion+Deficiency+Type+I+Disease+Causes+Local+IL-17-Driven+Inflammatory+Bone+Loss.">Defective Neutrophil Recruitment In Leukocyte Adhesion Deficiency Type I Disease Causes Local IL-17-Driven Inflammatory Bone Loss.</a> Sci Transl Med. 6, 229-240 (2014).</li><li>Gaffen, S. L., Jain, R., Garg, A. V., Cua, D. J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+IL-23-IL-17+Immune+Axis:+From+Mechanisms+To+Therapeutic+Testing.">The IL-23-IL-17 Immune Axis: From Mechanisms To Therapeutic Testing.</a> Nat Rev Immunol. 14, 585-600 (2014).</li></ol>

現在の技術では、成功した表現型の特徴付けのためだけでなく、ex vivoでの機能研究のためだけではなく、適切な（シングルマウスからの）免疫細胞の多数をもたらします。別のグループは、以前に分離し、マウスの歯肉の免疫細胞を特徴付けるためのプロトコルを公開し、動物モデル9における歯周炎の研究で、フローサイトメトリー多色を使用しての値を導入していました。...

歯肉組織は、ヒトおよびマウスの歯列を囲み、常に歯 1の複雑なバイオフィルムにさらされています。歯肉障壁をポリシング免疫細胞ネットワークは、組織の完全性を維持するローカル共生微生物に恒常性を確保し、同時に、病原性のチャレンジ2に対して有効な免疫を提供するために不可欠です。恒常性を達成するために、免疫系を注意深くまだ少し詳細は歯肉の免疫細胞集団および組織免疫2の維持における役割の知られている高度に特化した免疫細胞ネットワークを作成歯肉環境に合わせて調整されます。 免疫恒常性が歯肉に破壊される場合には、いずれかの増加ホスト感受性および/ ​​またはdysbiotic微生物群集、炎症状態の存在を通して、歯周炎は、3〜4を発生します。歯周炎は、歯の喪失につながる、一般的な炎症性疾患でありますupporting構造。その重篤な形態では、一般集団5の約10％に見られます。歯周炎感受性および進行に関与する重要な要因を解剖すると6困難であることが判明しました。しかし、動物モデルは、歯周炎の開始および進行7のメカニズムを理解する上で極めて有用でした。モデルは、免疫ホメオスタシスおよび歯周炎の駆動開発を​​維持するために不可欠な重要な細胞集団および分子メディエーターを定義するために使用することができます。このような洞察は、免疫恒常性の歯肉固有の制御の我々の理解を変換し、疾患の病因の我々の現在の理解を促進します。

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			<td height="21" style="height:21px;width:304px;">Fine Scissors</td>
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			<td height="21" style="height:21px;width:304px;">RPMI 1640</td>
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			<td style="width:188px;">25030-081</td>
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			<td>Polypropylene, sterile</td>
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			<td height="21" style="height:21px;width:304px;">70 &#956;M Cell Strainers</td>
			<td style="width:188px;">Corning</td>
			<td style="width:188px;">352350</td>
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			<td height="21" style="height:21px;width:304px;">Petri dishes</td>
			<td style="width:188px;">Corning</td>
			<td style="width:188px;">351029</td>
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			<td height="21" style="height:21px;width:304px;">5 mL FACS tubes</td>
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			<td style="width:188px;">13909</td>
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			<td height="21" style="height:21px;">Anti-Mouse gamma delta TCR FITC</td>
			<td style="width:188px;">eBioscience</td>
			<td style="width:188px;">11-5711-82</td>
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			<td height="21" style="height:21px;width:304px;">Anti-Mouse IL-17A APC</td>
			<td style="width:188px;">eBioscience</td>
			<td style="width:188px;">12-7311-82</td>
			<td></td>
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			<td height="21" style="height:21px;width:304px;">Anti-Mouse IFN-&#947; PE</td>
			<td style="width:188px;">eBioscience</td>
			<td>11-5931-82</td>
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			<td height="21" style="height:21px;width:304px;">Anti-Mouse NK1.1 PE-Cy7</td>
			<td style="width:188px;">eBioscience</td>
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			<td style="width:188px;">11-0031-82</td>
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			<td height="21" style="height:21px;width:304px;">Anti-Mouse CD19 FITC</td>
			<td style="width:188px;">eBioscience</td>
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			<td height="21" style="height:21px;width:304px;">Anti-Mouse CD11b FITC</td>
			<td style="width:188px;">eBioscience</td>
			<td style="width:188px;">11-0112-82</td>
			<td></td>
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			<td height="21" style="height:21px;width:304px;">Anti-Mouse CD11c FITC</td>
			<td style="width:188px;">eBioscience</td>
			<td style="width:188px;">11-0114-82</td>
			<td></td>
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			<td height="21" style="height:21px;width:304px;">Anti-Mouse TCR beta FITC</td>
			<td style="width:188px;">eBioscience</td>
			<td style="width:188px;">11-5961-82</td>
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			<td height="21" style="height:21px;width:304px;">Anti-Mouse Ly-6G FITC</td>
			<td style="width:188px;">eBioscience</td>
			<td style="width:188px;">11-5931-82</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:304px;">Anti-Mouse Ly-6C FITC</td>
			<td style="width:188px;">BD Pharmingen</td>
			<td style="width:188px;">553104</td>
			<td></td>
		</tr>
	</tbody>
</table>

isolation, characterization and functional examination of the gingival immune cell network

Immune cell networks in tissues play a vital role in mediating local immunity and maintaining tissue homeostasis, yet little is known of the resident immune cell populations in the oral mucosa and gingiva. We have established a technique for the isolation and study of immune cells from murine gingival tissues, an area of constant microbial exposure and a vulnerable site to a common inflammatory disease, periodontitis. Our protocol allows for a detailed phenotypic characterization of the immune cell populations resident in the gingiva, even at steady state. Our procedure also yields sufficient cells with high viability for use in functional studies, such as the assessment of cytokine secretion ex vivo. This combination of phenotypic and functional characterization of the gingival immune cell network should aid towards investigating the mechanisms involved in oral immunity and periodontal homeostasis, but will also advance our understanding of the mechanisms involved in local immunopathology.

プロトコルの適用を説明するために、我々は（ - / - 、 図2A - C LFA対WT）とし、歯周炎のないマウスの歯肉における免疫細胞のネットワークを調べる代表的な結果を示しています。代表的FACSプロットは、歯肉（ 図2A、2C）でのライブCD45 +造血細胞を示します。このプロトコルで免疫細胞の単離および処?...

Watch this Scientific Journal Video about Isolation, Characterization and Functional Examination of the Gingival Immune Cell Network at JoVE.com

Isolation, Characterization and Functional Examination of the Gingival Immune Cell Network

我々は、分離、表現型の特徴およびマウス歯肉からの免疫細胞の機能解析のための手法を確立しました。

単離、特徴付けおよび歯肉免疫細胞ネットワークの機能検討

Immune cell networks in tissues play a vital role in mediating local immunity and maintaining tissue homeostasis, yet little is known of the resident ...

The overall goal of this method is to isolate gingival immune cells for the in-depth characterization of the immune responses related to oral immunity and periodontitis. This method can help answer key questions in the field of oral immunity, such as what cellular factors are implicated in the pathogenesis of periodontitis. The main advantages of this technique are that it allows the evaluation of the oral immune cell network and the isolation of enough viable cells for downstream in-vitro investigations.As a first step of this protocol, begin by placing pins to immobilize the body of the mouse and open the thoracic and abdominal cavities to expose the heart and internal organs. Next, make an incision in the vena cava, and use a 3-milliliter syringe, equipped with a 27-gauge needle, to profuse 3 milliliters of PBS via the left ventricle. When all of the blood has been flushed, pin the head of the mouse onto a dissecting pad, with the stomach facing up.Then use scissors to cut each commissure of the lip towards the neck, separating the skin that covers the mandible and neck region, and exposing the underlying tissues and muscles. Cut between the lower incisors to separate both sides of the mandible. Immobilize each side of the separated mandible with 25-gauge needles to access the oral cavity.After identifying the palate, use a number 10 surgical blade to make vertical incisions just anterior to the first molar, and posterior to the third molar. Then dissect the tissue away from the nasal cavity, and also dissect the blocks from the mandible. Then eliminate the excess tissue from the border of the gingiva and transfer the maxillary and mandibular blocks into a 50-milliliter conical tube containing 5 milliliters of collagenase and DNase on ice.Digest the tissue in a shaker incubator at 37 degrees Celsius for one hour, adding 50 microliters of 0.5 molar EDTA during the last five minutes. Then add 5 milliliters of cold DNase medium to the tissues, and gently mix the tube contents by swirling. Next, transfer the four blocks of tissue into a petri dish.And cover them with 500 microliters of fresh DNase medium. Use a scalpel to remove the gingiva from each block of tissue. And transfer the entire contents of the dish into a 70 micron cell strainer on top of a 50-milliliter tube.Wash the petri dish and strainer with 3 to 5 milliliters of fresh DNase medium. And then use the plunger of a sterile, 3-milliliter syringe to mash the gingival tissue against the mesh of the strainer. Rinse the strainer with 30 to 35 millilters of cold DNase medium, and centrifuge the filtrate.Then resuspend the palate in 1 milliliter of complete medium, and determine the number of viable cells. The isolation and processing of immune cells as just demonstrated, yields a sufficient number of cells to perfom an ex-vivo stimulation and characterization of the gingival cell cytokine secretion patterns from both wild-type, as well as periodontitis-susceptible animals. Indeed, the murine gingival immune cell composition can be analyzed as demonstrated in these density plots evaluating the t and natural killer cell compartments in periodontitis-susceptible LFA knockout mice.Using the appropriate gating strategies, the intracellular cytokine production of TCR beta CD4 positive, TCR beta CD8 positive, and TCR gamma delta positive t cells, as well as NK, and innate lymphoid cells, can also be determined. Once mastered, the cells can be isolated in three hours for immunostaining if the technique is performed properly. While attempting this procedure, it's important to remember to complete all of the steps efficiently and quickly, keeping the cells on ice whenever they are not being manipulated.Following this procedure, other methods, like cell sorting, can be performed to answer additional questions related to the function of the specific cell subsets.

Research

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フローサイトメトリーで固定し、生細胞におけるカルパイン活性の測定

Calpains are ubiquitous intracellular, calcium-sensitive, neutral cysteine proteases 1. Calpains play crucial roles in many physiological processes, ...

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機能心臓の免疫細胞の単離

Cardiac immune cells are gaining interest for the roles they play in the pathological remodeling in many cardiac diseases.1-5  These immune cells, which ...

Differentiating Functional Roles of Gene Expression from Immune and Non-immune Cells in Mouse Colitis by Bone Marrow Transplantation

骨髄移植によるマウス大腸炎における免疫および非免疫細胞からの遺伝子発現の機能的役割を差別化

To understand the role of a gene in the development of colitis, we compared the responses of wild-type mice and gene-of-interest deficient knockout mice ...

Flow Cytometric Isolation of Primary Murine Type II Alveolar Epithelial Cells for Functional and Molecular Studies

機能と分子生物学的研究のためのプライマリマウスII型肺胞上皮細胞のフローサイトメトリ分離

Throughout  the last years, the contribution of alveolar type II epithelial cells (AECII)  to various aspects of immune regulation in the lung has been ...

Isolation, Processing and Analysis of Murine Gingival Cells

マウス歯肉細胞の単離、処理と解析

We have developed a technique to precisely isolate and process murine gingival tissue for flow cytometry and molecular studies. The gingiva is a unique ...

Isolation of Adipose Tissue Immune Cells

脂肪組織の免疫細胞の単離

The discovery of increased macrophage infiltration in  the adipose tissue (AT) of obese rodents and humans has led to an  intensification of interest in ...

An In Vitro Model for Measuring Immune Responses to Malaria in the Context of HIV Co-infection

An In Vitro Model for Measuring Immune Responses to Malaria in the Context of HIV Co-infection

アン<em&gt;インビトロ</em&gt; HIV重感染のコンテキストでのマラリアに対する免疫応答を測定するためのモデル

Malaria and HIV co-infection is a growing health priority. However, most research on malaria or HIV currently focuses on each infection individually. ...

Isolation and Flow Cytometric Analysis of Immune Cells from the Ischemic Mouse Brain

虚血性マウス脳からの免疫細胞の単離およびフローサイトメトリー分析

Ischemic stroke initiates a robust inflammatory response that starts in the intravascular compartment and involves rapid activation of brain resident ...

Isolation and Characterization of Neutrophil-derived Microparticles for Functional Studies

分離と機能研究の好中球由来の微粒子のキャラクタリゼーション

Polymorphonuclear neutrophil-derived microparticles (PMN)-MPs) are lipid bilayer, spherical microvesicles with sizes ranging from 50&#8211;1,000 nm in ...

Isolation of Peritoneum-derived Mast Cells and Their Functional Characterization with Ca2+-imaging and Degranulation Assays

Isolation of Peritoneum-derived Mast Cells and Their Functional Characterization with Ca2+-imaging and Degranulation Assays

腹膜由来マスト細胞とその機能特性と Ca2 +の単離-イメージングと脱顆粒の試金

Mast cells (MCs), as a part of the immune system, play a key role in defending the host against several pathogens and in the initiation of the allergic ...