阳光能够刺激黑色素细胞产生黑素，这是因为黑素要在紫外线的辐射下保护我们的身体。
Sunlight is therefore a stimulus for melanocytes to produce melanin because they are trying to protect the body from UV rays.
这种情况就是说黑色素细胞因遭到免疫系统攻击而变得虚弱，从而无法产生黑素。
There is an autoimmune condition called vitiligo in which melanocytes are attacked by the immune system and become too weak to produce melanin.
黑素的多少决定了雀斑，但是这与成团的黑色素细胞是有很大不同的。
The concentrations of melanin that are responsible for freckles are much different than clusters of melanocytes, which is associated with skin cancer.
有雀斑的人呢，他们的黑色素细胞数量是正常的，只是他们的黑色素细胞产生了一些黑素。
People with freckles have a normal number of melanocytes; their melanocytes just create clusters of melanin.
另一个是非图像形成的视网膜神经细胞，包括黑视素，昼夜调节图像色素。
the other is the non-image-forming retinal ganglion cells where melanopsin, a circadian rhythm-regulating photo-pigment, is located.
维生素c能抑制色素母细胞沉积，不仅可以预防黑斑及雀斑，还可能将多余的色素排出体外，改善暗淡的肤色，令皮肤变得白皙明亮。
Vitamin C inhibited pigment mother cell deposition, not only can prevent spots and freckles, but could also be redundant pigment excretion, improve dull skin tone, make skin white and bright.
图中中央静脉周围坏死肝细胞中的浅褐色色素为脂褐素。
The light brown pigment seen here in the necrotic hepatocytes around the central vein is lipochrome.
这个基因的蛋白质编码协助维生素a转换成一种被视网膜感觉细胞(视杆细胞和视锥细胞)用来产生视紫红质的物质，而视紫红质是一种能吸光的色素。
The protein encoded by the gene helps convert vitamin a into a form used by the retina's light-sensing cells (rods and cones) to make rhodopsin, a pigment that absorbs light.
材料固定后，经蓝光激发，均未产生细胞内源的叶绿素和甲藻素等色素荧光干扰杂交信号的现象，说明固定材料的方法正确。
After being fixed and excited by blue light, there was no autofluorescence from algal cell chlorophyll and phycopyrrin observed under epifluorescent microscopy, which show that the fixation is valid.
例如血球细胞中的血红素，其独特的红色便是由血色素所造成。
The heme of the hemoglobin in blood cells gives them their characteristic red hue.
目的：观察细胞色素P 450 -CYP2J3基因对果糖诱导的高血压和胰岛素抵抗的干预作用。
AIM: to investigate the interventional effect of cytochrome P450-CYP2J3 gene on hypertension and insulin resistance induced by fructose.
目的探讨活体染料羧基荧光素乙酰乙酸琥珀酰亚胺酯（CFSE）标记兔眼虹膜色素上皮（IPE）细胞的可行性。
Objective To investigate the feasibility of labeling iris pigment epithelial(IPE)cells of rabbits with 5-(and 6-)carboxyfluorescein diacetate succinimidyl ester(CFSE).
我们提出了肺结核分支杆菌细胞色素P 450CYP121与三氮唑类药物氟康唑的复合物的晶体结构，揭示了唑类与亚铁血红素新的结合模式。
We present here the crystal structure of Mycobacterium tuberculosis cytochrome P450 CYP121 in complex with the triazole drug fluconazole, revealing a new azole heme ligation mode.
有些人会用漂白来去掉雀斑。他们用一种含有对苯二酚的药，这种药能够减缓黑色素细胞产生黑素。有一种自身免疫系统引发的问题叫做白癜风。
Some people try to get rid of freckles through a bleaching process involving an agent such as hydroquinone that slows down the process at which melanocytes produce melanin.
研究了油菜素内酯（BR）对培养的滇紫草细胞产生紫草色素的影响。
The effect of brassinolide (BR) on shikonin formation in Onosma paniculatum cell suspension culture system was studied.
测定壬二酸对人表皮黑素细胞和鼠黑色素瘤B16细胞酪氨酸酶活性及黑素含量变化观察壬二酸的脱色素作用。
The influence of azelaic acid on melanin synthesis and tyrosinase activity of human melanocytes and murine B16 melanoma cells were studied.
目的探讨白细胞介素12（IL12）基因转移对弱免疫原性的小鼠B16黑色素瘤细胞生长与转移的影响。
Objective To study the tumorigenicity and metastasis of poorly immunogenic murine B16 melanoma cells transfected with murine interleukin12 (IL12) gene.
图6叶绿素与细胞色素的血红素辅基之间在结构上的相似性。
Fig. 6 Structural homology between chlorophyll and the heme of cytochrome.
在这项研究中，研究人员对晚期黑色素瘤患者进行静脉注射4天白细胞介素- 2治疗后再注射疫苗或安慰剂。
In the study, people with advanced melanoma were given the vaccine or a placebo injection, followed by four days of intravenous interleukin-2 treatment.
采用高等品质的植物皂基（发泡剂）及天然草本植物的营养素能有效防止头皮及麦拉宁黑色素细胞受损。
The high grade of plant surfactant & herbal plant essence offer variety of nutrients to prevent dandruff but promote protection of melanin cells.
羊胎盘素，富含细胞成长因子及抗老化因子，具活化细胞及防止黑色素沉淀，保持皮肤柔细及美白效果。
Placenta Extract contains a growth factor and resisting age factor, which stimulates the skin and prevent pigmentation to retain softness and whiteness.
羊胎盘素，富含细胞成长因子及抗老化因子，具活化细胞及防止黑色素沉淀，保持皮肤柔细及美白效果。
Placenta Extract contains a growth factor and resisting age factor, which stimulates the skin and prevent pigmentation to retain softness and whiteness.
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