Syed G Haider
Syed G Haider
This article reviews results on differentiation, structure, and regulation of Leydig cells in the testes of rodents and men. Two different populations-fetal and adult Leydig cells-can be recognized in rodents. The cells in these two populat...
Apoptosis in plants: specific features of plant apoptotic cells and effect of various factors and agents [0.03%]
植物细胞凋亡及其特殊性特征和各种因素及试剂的影响
B F Vanyushin,L E Bakeeva,V A Zamyatnina et al.
B F Vanyushin et al.
Apoptosis is an integral part of plant ontogenesis; it is controlled by cellular oxidative status, phytohormones, and DNA methylation. In wheat plants apoptosis appears at early stages of development in coleoptile and initial leaf of 5- to ...
The bacterial flagellar motor: structure and function of a complex molecular machine [0.03%]
细菌鞭毛马达：一个复杂分子机器的结构与功能
Seiji Kojima,David F Blair
Seiji Kojima
The bacterial flagellar motor harnesses ion flow to drive rotary motion, at speeds reaching 100000 rpm and with apparently tight coupling. The functional properties of the motor are quite well understood, but its molecular mechanism remains...
Cellular deflagellation [0.03%]
细胞去鞭毛化
Lynne M Quarmby
Lynne M Quarmby
Deciliation, also known as deflagellation, flagellar autotomy, flagellar excision, or flagellar shedding, refers to the process whereby eukaryotic cells shed their cilia or flagella, often in response to stress. Used for many decades as a t...
M Benjamin,J R Ralphs
M Benjamin
Fibrocartilage is an avascular tissue that is best documented in menisci, intervertebral discs, tendons, ligaments, and the temporomandibular joint. Several of these sites are of particular interest to those in the emerging field of tissue ...
Regulation by RNA [0.03%]
RNA调控机制
Maciej Szymański,Jan Barciszewski
Maciej Szymański
In recent years, noncoding RNAs (ncRNAs) have been shown to constitute key elements implicated in a number of regulatory mechanisms in the cell. They are present in bacteria and eukaryotes. The ncRNAs are involved in regulation of expressio...
Robin R Hodges,Darlene A Dartt
Robin R Hodges
Tears are a complex fluid that continuously cover the exposed surface of the eye, namely the cornea and conjunctiva. Tears are secreted in response to the multitude of environmental stresses that can harm the ocular surface such as cold, me...
Estrogen receptors in the spinal cord, sensory ganglia, and pelvic autonomic ganglia [0.03%]
脊髓、感觉神经节和盆腔自主神经节中的雌激素受体
R E Papka,C N Mowa
R E Papka
Until relatively recently, most studies of the effects of estradiol in the nervous system focused on hypothalamic, limbic, and other brain centers involved in reproductive hormone output, feedback, and behaviors. Almost no studies addressed...
Brendan J Smyth,Richard W Snyder,Daniel F Balkovetz et al.
Brendan J Smyth et al.
Autosomal dominant polycystic kidney disease (ADPKD) is a significant familial disorder, crossing multiple ethnicities as well as organ systems. The goal of understanding and, ultimately, curing ADPKD has fostered collaborative efforts amon...
Ilene K Gipson,Pablo Argüeso
Ilene K Gipson
The surface of the eye is covered by a tear film, which is held in place by a wet-surfaced, stratified, corneal and conjunctival epithelia. Both are vital for light refraction and protection of vision. Maintenance of tear film on the ocular...