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- Medical English LInking keywords finder for the PubMed Zipped Archive (ELIZA) -

return kwic search for observed out of >500 occurrences
392826 occurrences (No.45 in the rank) during 5 years in the PubMed. [no cache] 500 found
325) Increasing autophagosomes in spermatogenetic cells was observed by electron microscopy in formaldehyde exposure group.
--- ABSTRACT ---
PMID:24142868 DOI:10.1002/tox.21910
2015 Environmental toxicology
* Formaldehyde exposure induces autophagy in testicular tissues of adult male rats.
- Formaldehyde, a ubiquitous environmental pollutant, has long been suspected of causing adverse male reproductive effects. However, the molecular and cellular mechanisms underlying this phenomenon remain elusive. The overall aim of this study is to clarify the role of autophagy in male reproductive injuries induced by formaldehyde exposure, by which we can further understand the molecular mechanism of spermatogenesis and develop new targets for prevention and treatment of male infertility. In this study, electron microscopy, Western blot, and RT-PCR analysis were used to detect autophagy in testicular tissues. Moreover, testicular weights, histopathology, and morphometry were used to evaluate the reproductive injuries of formaldehyde exposure. We found that formaldehyde exposure-induced autophagy in testicular tissues was dose dependent. Increasing autophagosomes in spermatogenetic cells was observed by electron microscopy in formaldehyde exposure group. In addition, RT-PCR and Western blot analysis showed the transcription levels of the LC3-II, as well as the conversion from LC3-I to LC3-II, an indicator of autophagy, significantly increased in testicular tissue of formaldehyde exposure group in a dose dependent manner when compared with those in control group. Furthermore, the alterations of autophage were basically consistent with the changes in testicular weight and morphologic findings. In summary, formaldehyde exposure triggered autophagy, and autophagy may be a scathing factor responsible for male reproductive impairment induced by formaldehyde.
--- ABSTRACT END ---
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--- WordNet output for observed --- Overview of verb observe The verb observe has 9 senses (first 8 from tagged texts) 1. (39) detect, observe, find, discover, notice -- (discover or determine the existence, presence, or fact of; "She detected high levels of lead in her drinking water"; "We found traces of lead in the paint") 2. (17) note, observe, mention, remark -- (make mention of; "She observed that his presentation took up too much time"; "They noted that it was a fine day to go sailing") 3. (12) note, take note, observe -- (observe with care or pay close attention to; "Take note of this chemical reaction") 4. (10) observe -- (watch attentively; "Please observe the reaction of these two chemicals") 5. (4) respect, honor, honour, abide by, observe -- (show respect towards; "honor your parents!") 6. (3) observe, celebrate, keep -- (behave as expected during of holidays or rites; "Keep the commandments"; "celebrate Christmas"; "Observe Yom Kippur") 7. (2) watch, observe, follow, watch over, keep an eye on -- (follow with the eyes or the mind; "Keep an eye on the baby, please!"; "The world is watching Sarajevo"; "She followed the men with the binoculars") 8. (1) observe, keep, maintain -- (stick to correctly or closely; "The pianist kept time with the metronome"; "keep count"; "I cannot keep track of all my employees") 9. observe, keep -- (conform one's action or practice to; "keep appointments"; "she never keeps her promises"; "We kept to the original conditions of the contract") Overview of adj observed The adj observed has 1 sense (first 1 from tagged texts) 1. (7) ascertained, discovered, observed -- (discovered or determined by scientific observation; "variation in the ascertained flux depends on a number of factors"; "the discovered behavior norms"; "discovered differences in achievement"; "no explanation for the observed phenomena") --- WordNet end ---