Name: long-term catheterization of the intestinal lymph trunk and collection of lymph in neonatal pigs
Uploaded: 2016-03-05T14:00:00
Description: Watch this Scientific Journal Video about Long-Term Catheterization of the Intestinal Lymph Trunk and Collection of Lymph in Neonatal Pigs at JoVE.com

The work was supported in part by funding from Alberta Livestock and Meat Agency and Natural Science and Research Council Discovery grant to S. D. Proctor.

비디오와 원고 모두에 설명 된 실험 동물의 모든 절차는 동물 케어의 캐나다위원회가 설정 한 가이드 라인을 기관 동물 관리 및 사용위원회의 승인을 관찰 하였다. 1. 수술 마취 및 신생아 돼지의 수술 준비 <ol><li> 된 azaperone (0.3 ㎎ / ㎏), 케타민 하이드로 클로라이드 (10 ㎎ / ㎏), 덱스 메데 토미 딘 (15 μg의 / kg) : 분리 대기실에서 25kg에 포함 된 근육 진정 마취 약물 칵테일 목...

장 림프를 수집하는 다양한 실험 동물 모델에서 지질 8-12 및 약물 13-15 대사, 암 전이 16, 17, 셀 인신 매매와 면역 기능 18-26에 관여하는 메커니즘을 조사 할 수있는 좋은 방법입니다. 실제로, 장기간에 걸쳐 어느 주연 (심성) 및 중앙 (원심성 큰 트렁크 용기) 림프 다량 수확 할 수있는 능력은 면역 변조 제 18-22을 가진 도전 다음 세포 집단에서 발생하는 시간 ?...

림프 시스템은 생리학의 파악 하였다 영역입니다. 림프 카테터의 전임상 모델은 다른 동물 종 1-8에서 발생하는 지질 8-12 및 약물 대사 13-15, 실험적인 치료 (17)와 암 전이 (16)에 관여하는 메커니즘을 조사하기 위해 제약 산업 및 연구 기관에 의해 사용되며, 면역 기능 (18) -26. 본 연구는 지단백질 대사의 성분을 측정하는 돼지 모델에서 장 림프 트렁크 카테터의 사용을 탐구한다. 지단백질 대사는 생산과 분비 킬로 미크론의뿐만 아니라 연관된 지질 및 총 단백질의 변화에​​ 관여한다. 일반적으로 사용되는 설치류 모델과 인간 사이와 같은 지질 대사에 큰 차이가 있기 때문에이 날 지질 연구를 더 비교 정보를 제공 할 수있는 장 림프를 수집하기 위해 돼지 모델을 사용, 중요한 고려 사항입니다사람들 27-31에서 tabolism. 여러 가지 수술 기법은 많은 동물 종에서 장 림프 수집하는 데 사용됩니다 두개골 어깨 접근 방식 (즉, 흉부 덕트 카테터) (5), 측면 상부 측면의 접근 방식 32-34, 및 복부 정중선 또는 paramedian 접근 22,35. 이 동영상은 자세히 장 림프 줄기의 카테터를위한 복부 정중선 수술 방법을 사용하여 돼지의 수술 절차를 설명합니다. 조심 수술 기법의 허가 림프 카테터의이 방법은 장시간에 걸쳐 큰 림프의 수량과 그 구성 요소를 수집합니다. 이 기술은 다양한 생리적 기능을 검사 다양한 분야에 응용 프로그램의 무수를 엽니 다. 응용 프로그램이 포함될 수 있지만, 전신 지질 및 지단백질 대사 immunosurveillance 종양 기원 및 전이, 장 기능, developm, 이에 한정되지 않는다엔트과 장 염증 질환의 진행.

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long-term catheterization of the intestinal lymph trunk and collection of lymph in neonatal pigs

Catheterization of the intestinal lymph trunk in neonatal pigs is a technique allowing for the long-term collection of large quantities of intestinal (central) efferent lymph. Importantly, the collection of central lymph from the intestine enables researchers to study both the mechanisms and lipid constitutes associated with lipid metabolism, intestinal inflammation and cancer metastasis, as well as cells involved in immune function and immunosurveillance. A ventral mid-line surgical approach permits excellent surgical exposure to the cranial abdomen and relatively easy access to the intestinal lymph trunk vessel that lies near the pancreas and the right ventral segment of the portal vein underneath the visceral aspect of the right liver lobe. The vessel is meticulously dissected and released from the surrounding fascia and then dilated with sutures allowing for insertion and subsequent securing of the catheter into the vessel. The catheter is exteriorized and approximately 1 L/24 hr of lymph is collected over a 7 day period. While this technique enables the collection of large quantities of central lymph over an extended period of time, the success depends on careful surgical dissection, tissue handling and close attention to proper surgical technique. This is particularly important with surgeries in young animals as the lymph vessels can easily tear, potentially leading to surgical and experimental failure. The video demonstrates an excellent surgical technique for the collection of intestinal lymph.

<html> 신생아 돼지의 창자 림프 트렁크의 림프 카테터는 7 일 동안 약 1 L 중앙 림프의 / 24 시간의 모음을 할 수 있습니다. 이 실험에서 수집 된 림프 지질 대사, 즉 총 림프 단백질, ApoB48 지단백, 중성 지방, 총 단백질, 콜레스테롤의 구성 요소가 포함되어 있습니다. 표 1 주요 세 돼지 풀 림프 샘플에서 이러한 지질 성분의 대표 양. 특히, 림프의 흐름과 지질 성분은 인라인 장 ?...

Watch this Scientific Journal Video about Long-Term Catheterization of the Intestinal Lymph Trunk and Collection of Lymph in Neonatal Pigs at JoVE.com

Long-Term Catheterization of the Intestinal Lymph Trunk and Collection of Lymph in Neonatal Pigs

We present a surgical procedure to catheterize the intestinal lymph trunk in neonatal pigs to collect large quantities of lipid metabolism components from efferent lymph.

신생아 돼지에서 림프의 창자 림프 트렁크와 컬렉션의 장기 도관

Catheterization of the intestinal lymph trunk in neonatal pigs is a technique allowing for the long-term collection of large quantities of intestinal ...

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Arrhythmias are common, affecting millions of patients worldwide. Current treatment strategies are associated with significant side effects and remain ...

Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer

로봇 보조 총 중각 절제술 및 측면 골반 림프절 해부 국소 고급 중간 낮은 직장 암

Since their approval for clinical use, da Vinci surgical robots have shown great advantages in gastrointestinal surgical operations, especially in complex ...

Long-Term Continuous Measurement of Renal Blood Flow in Conscious Rats

의식이있는 쥐의 신장 혈류에 대한 장기간 연속 측정

The kidneys play a crucial role in maintaining the homeostasis of body fluids. The regulation of renal blood flow (RBF) is essential to the vital ...