What are the clinical applications of snake venom?
The research and clinical application of snake venom have made rapid progress in China. A large number of clinical practices have proved that snake venom has the following clinical applications.
⑴ analgesic effect as early as the 1970s, the cobra venom injection developed by Guangzhou Medical College was used in clinic. It has a good effect on trigeminal neuralgia, sciatica, malignant tumor pain, rheumatic and rheumatoid arthralgia, migraine, herpes zoster and other diseases with pain as the main symptoms. Snake venom as an analgesics has the following advantages: significant and lasting effect, wide safety range, no drug resistance in continuous use, and unlike morphine, there is no hidden feeling and danger. Kunming Animal Research Institute successfully trial-produced Ketongling from Naja naja atra venom in 1976, which has a good effect on the treatment of various painful diseases.
⑵ lowers blood pressure reported abroad, a bioactive peptide was isolated from the venom of Agkistrodon acutus, which can block the conversion of angiotensin, thus reducing the pressurized activity of angiotensin. It can be used to prevent and treat renal hypertension and the increase of blood pressure caused by long-term compression of renal artery. In China, it has also been found that there are components with obvious antihypertensive activity in Agkistrodon acutus venom, which can be developed into a new antihypertensive drug.
⑶ hemostatic viper venom can turn fibrinogen in the blood into fibrin and form clots. 0.1% viper venom sterilization solution can be used to treat hemophilia and other bleeding. In addition, it can also be used for the differential diagnosis of hematological diseases and become one of the clinical testing methods.
⑷ Anticancer effect Shenyang military General Hospital used Agkistrodon acutus venom combined with chemotherapy to treat osteosarcoma patients, so that the survival time of patients was significantly prolonged. In recent years, Shanghai Changning District New East District Hospital has used snake venom capsule to treat all kinds of cancer, which can reduce the mass and prolong the survival time of cancer patients. China Medical University carried out a study on the inhibitory effect of the original venom and isolated venom of Agkistrodon halys on tumor, and the results showed that the tumor inhibition rate was 30% to 87.1%. In addition, the extraction and separation of anticancer and anti-cancer components from snake venom in the Clinical Application Research Center of Snake Venom seen in the 238 Hospital of the people's Liberation Army has been completed, and has entered the animal experimental and clinical stage.
⑸ treatment of Cerebral Thrombosis and Angitis the Venom of Agkistrodon acutus in Changbai Mountain was purified at high temperature to obtain thrombin-like enzyme, which does not contain any toxic ingredients and treats cerebral thrombosis and its sequelae. The clinical results show that the enzyme is safe and reliable and the curative effect is very good. It can quickly relieve pain and promote appetite and sleep in patients with vasculitis. Some patients with cerebral thrombosis and hemiplegia have recovered from then on.
⑹ treatment of gastric and duodenal ulcer 6 cases of gastric and duodenal ulcer were treated with venomous snake in the laboratory of China Medical University. After barium meal and gastroscopy, only 30 days after treatment, 5 cases were completely cured and 1 case of ulcer reduced. It has also been clinically proved that the application of snake venom in the treatment of digestive tract ulcers has the effect of relieving pain and promoting sleep, and has the advantages of increasing patients' appetite and weight, so it is worth popularizing.
⑺ antivenom preparation China began to produce antivenom in the 1930s, and successively studied and refined antivenom against Agkistrodon halys, Agkistrodon acutus, Bungarus bungaroides, cobras, Agkistrodon halys, sea snakes, gold ring snakes, vipers and other venom serpents, which made great contributions to the treatment of people bitten by poisonous snakes.
⑻ snake venom is also used in the field of detoxification and the military. American research institutions have been engaged in this area of research.
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Raising grass silver carp in cages in reservoir
The so-called "reservoir cage set box" is to set up four small cages in a large cage. "raising grass carp on top and raising silver carp below" means raising grass carp in small cages and raising silver carp in the upper and lower layers of small cages and large cages (5m in height of small cages, 5.5m in height of large cages and 0.5m in interlayer height). Grass carp in small cages are fed with pellet feed for high-density intensive culture, while silver carp in large cages mainly use grass carp stool and leaking feed as bait, not special bait, for grazing type sparse and rough breeding. This kind of culture model
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Is there a prevalence of snake diseases
Everything should be demonstrated in two ways. After snakes are farmed in the wild, snakes who understand technology and management can make snakes stronger, but people who do not understand this way can make snakes thin and sick. at present, this is not a rare situation. If we want to raise snakes well and reduce the occurrence of diseases, we should actively implement the principle of "comprehensive prevention, timely treatment, prevention is more important than treatment". As long as we can strengthen the management of snake farms, do a good job in cleaning and hygiene, strengthen the physique of snakes, and understand the occurrence regularity of snake disease, we should adopt comprehensive measures.
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