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In the case of ordinary transgenes, the expression region depends on the promoter. Transgenic mice expressing whole body can be obtained by selecting promoters expressing whole body such as Rosa26 and CAG...
2020-07-28During the growth period of experimental animals, the feed must contain a variety of nutrients that can meet the needs of animal growth and assimilation in the body.. The growth of animals refers to the accumulation due to the absorption of the human...
2020-07-28The nutritional requirements of laboratory animals The nutritional requirements of laboratory animals refer to the basic requirements of various nutrients required to maintain normal animal growth and reproduction. In other words, you need nutrients ...
2020-07-2812% of Caenorhabditis elegans cells are lost due to apoptosis, and 80% of them are lost during embryonic development. Now, studies on mutant individuals have shown that apoptosis genes constitute a linear regulatory pathway for genetic regulation of ...
2020-07-28Caenorhabditis elegans (Caenorhabditis elegans) plays a vital role in today\'s life science research. After establishing the core principles of molecular genetics in the 1960s, Brenner finally chose Caenorhabditis elegans (a simpler animal than fruit...
2020-07-28Model animals play an important role in the field of animal medicine due to their simple structure, short life cycle, simple cultivation and small genome. As a model animal, it can not only answer the most basic zoological questions in life science r...
2020-07-28The recommended animal and sex are as consistent as possible with the animal and sex used for pharmacological effects or toxicology studies. is compulsory. Determination of pharmacokinetic parameters: It is best to use large animals, such as dogs and...
2020-07-27Infectious disease-the source of epidemic hemorrhagic fever virus. Apodem and Nortgicus infected with the virus...
2020-07-27Mice, rats, guinea pigs and rabbits are common in pharmacological research...
2020-07-27Popular has three basic links. The source of infection is mainly affected animals (incubation period, onset, recovery period) and animals with pathogens. Facilities contaminated by laboratory animal secretions and feces, waste, feed, drinking water, ...
2020-07-27The animal models of TCM syndromes are \"Yang Deficiency\", \"Yin Deficiency\", \"Spleen Deficiency\", \"Very Weak Pulse\", \"Blood Deficiency\", \"Congestion\", \"Liver Congestion\&quo...
2020-07-27Catecholamines and other fluid infusions in this type of model cause short-term hypertension and are therefore not suitable for long-term studies. The model of chronic experimental hypertension should be replicated. Except for hereditary hypertension...
2020-07-27The swordtail fish (Xiphophorushelleri) belongs to the medaka family. The body shapes of male and female fish are completely different. The male fish is elongated, some fins on the lower caudal fin extend into a sword shape, and the anal fin becomes ...
2020-07-27Mice belong to mammals, rodents and Mur family. Easy to catch, high fertility and cheap price. It is easy to meet the requirements of the same species, purebred, sex and age of experimental animals, and easy to manage living conditions. Therefore, it...
2020-07-27Inbred mice have a high incidence of spontaneous tumors, such as 90% of leukemia in AKR mice and 97% of breast cancer in C3H mice. The results show that C3H has a milk factor inherited from female offspring, and the combined action of this milk facto...
2020-07-27The correct choice of experimental animals will not only affect the expenditure and work schedule, but also affect the accuracy and reliability of the experimental results and whether the entire experiment can proceed smoothly. One of the keys to the...
2020-07-27