產品參數：

特點：

       1、優(yōu)化設計的實驗方案，1小時即可完成

       2、靈敏度高，操作便捷

       3、試劑盒提供檢測所需的全套試劑 

樣品制備：

1）. 直接或稀釋使用清亮無色中性液體樣品，體積可達2.000ml。

2）. 過濾混濁溶液。

3）. 除去樣品中的CO 2 （測試盒說明書過過濾）。

4 ）. 測試盒說明書過加氫氧化鉀或氫氧化鈉將酸性樣品的PH值調至8.0。

5 ）. 調整酸性淺色樣品的PH值至8.0，孵育約15分鐘。

6 ）. 用空白樣品做對照測定有色樣品（如有必要調整PH值至8.0）。

7 ）. 用PVPP（ 聚乙烯吡咯烷酮）或聚酰胺處理深色未經稀釋或體積更大的樣品。

8 ）. 壓碎、攪勻固體或半固體樣品，用水溶解提取。

9 ）. 用Carrez試劑將含有蛋白質的樣品去蛋白。

10）.含脂肪的樣品用熱水提取。

優(yōu)點如下：

1、快速簡便：全程約50分鐘，可測100例左右樣本。

2、取樣量微：本法取手指或耳垂等末梢血20ul～50ul即可測紅細胞中的SOD，只需2ml靜脈血可測白細胞中的SOD及血小板中SOD，只需50mg左右組織就可測組織勻漿、胞漿中的SOD，0.2g組織可測線粒體及微粒體中的SOD。

3、靈敏度高：IC50=0.05g/ml，是鄰苯三酚法的18倍。

4、穩(wěn)定性好：試劑盒2～8℃存放6個月有效。

5、再現性好：變異系數CV=1.7%。

6、回收試驗： X =103.3%。

7、受外界影響因素?。焊蓴_因素少，重復性強。

8、測試面廣：可測動物血液、組織、各種體液、灌流液等、各種培養(yǎng)細胞、植物組織、各種水產以及化妝品、保健品等，效果均佳。

操作步驟(僅供參考)：  

1.配制65mM H2O2基液：本試劑盒提供的H2O2基液中的H2O2濃度約為1M。由于過氧化氫不是非常穩(wěn)定，使用前需自行測定過氧化氫的實際濃度。把濃度約為1M的H2O2基液用本試劑盒提供的CAT Assay buffer稀釋100倍，使H2O2基液中的H2O2濃度約為10mM。

2.準備樣品：  

a,細胞或組織樣品：取恰當細胞或組織進行裂解，可以采用Leagene Western及IP 細胞裂解液，如果有必要需進行適當勻漿，低速離心取上清，-70℃凍存，用于CAT的檢測。  

b,血漿、血清和尿液樣品：血漿、血清按照常規(guī)方法制備，用生理鹽水10倍稀釋后， 可以直接用于本試劑盒的測定，尿液通常也可以直接用于測定，-70℃凍存，用于CAT的檢測。  

c,全血樣品：收集適量的全血(whole blood)至一抗凝管內，顛倒混勻。取100μl全 血凍融一次，用CAT Assay buffer1000倍后進行CAT檢測。

d,血液中的紅細胞裂解液：用抗凝管收集血液，顛倒混勻。取至少500μl全血4℃ 3000g離心5min，棄上清，沉淀用預冷的生理鹽水洗滌3次。  

e,高活性樣品：如果樣品中含有較高活性的CAT，可以使用CAT Assay buffer稀釋。

f,(選做)樣品準備完畢后可以用BCA蛋白濃度測定試劑盒測定蛋白濃度，以便于后續(xù) 計算單位蛋白重量組織或細胞內的CAT含量。  

3、 CAT檢測：按照下表設置空白管、自身對照管、測定管，溶液應按照順序依次加入，并 注意避免產生氣泡。如果樣品中的酶活性過高，可以減少樣品用量或適當稀釋后再進行測定。樣品的檢測能設置平行孔。

4、分光光度計檢測405nm處吸光度，分光光度計比色杯光徑0.5cm。如果沒有分光光度計，亦可用酶標儀檢測，但如果有條件，盡量采用分光光度計檢測。蒸餾水調零，讀取各管吸光度值。一般應數小時內檢測完畢。

（石蠟切片需做抗原修復）

 not yet tested in other applications.

 optimal dilutions/concentrations should be determined by the end user.  

保存條件  Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.

Important Note  This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.

產品介紹 Teneurin-3, also known as Ten-3, TNM3 or ODZ3, is a 2,699 amino acid single-pass type II membrane protein that contains 25 YD repeats, 8 EGF-like domains, 5 NHL repeats and one teneurin N-terminal domain. Localized to the membrane and expressed in brain, testis and ovary, Teneurin-3 exists as a disulfide-liked homodimer that is thought to function as a cellular signal transducer. Additionally, Teneurin-3 may participate in eye-specific patterning in the visual pathway and is required for aligned binocular vision. The gene encoding Teneurin-3 maps to chromosome 4. Representing approximately 6% of the human genome, chromosome 4 contains nearly 900 genes, one of which is the Huntingtin gene, which is found to encode an expanded glutamine tract in cases of Huntington's disease. FGFR-3 is also encoded on chromosome 4 and has been associated with thanatophoric dwarfism, achondroplasia, Muenke syndrome and bladder cancer. Chromosome 4 is also tied to Ellis-van Creveld syndrome, methylmalonic acidemia and polycystic kidney disease.

Function : Involved in neural development, regulating the establishment of proper connectivity within the nervous system. Promotes axon guidance and homophilic cell adhesion. Plays a role in the development of the visual pathway; regulates the formation in ipsilateral retinal mapping to both the dorsal lateral geniculate nucleus (dLGN) and the superior colliculus (SC). May be involved in the differentiation of the fibroblast-like cells in the superficial layer of mandibular condylar cartilage into chondrocytes. May function as a cellular signal transducer (By similarity).

Subunit : Homodimer; disulfide-linked (Probable).

Subcellular Location : Membrane; Single-pass type II membrane protein.Cell projection, axon (By similarity).

Tissue Specificity : Expressed in ***** and fetal brain, slightly lower levels in testis and ovary, and intermediate levels in all other peripheral tissues examined. Not expressed in spleen or liver. Expression was high in brain, with highest levels in amygdala and caudate nucleus, followed by thalamus and subthalamic nucleus.

DISEASE : Note=Defects in TENM3 are a cause of microphthalmia, isolated, with coloboma (MCOPCB). Microphthalmia is a disorder of eye formation, ranging from small size of a single eye to complete bilateral absence of ocular tissues. Ocular abnormalities like opacities of the cornea and lens, scaring of the retina and choroid, cataract and other abnormalities like cataract may also be present. Ocular colobomas are a set of malformations resulting from abnormal morphogenesis of the optic cup and stalk, and the fusion of the fetal fissure (optic fissure). [SIMILARITY] Belongs to the tenascin family. Teneurin subfamily.

Similarity : Contains 8 EGF-like domains.

Contains 5 NHL repeats.

Contains 1 teneurin N-terminal domain.

Contains 23 YD repeats.

Database links :

Entrez Gene: 55714 Human

Entrez Gene: 23965 Mouse
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