Evidence map›Paper›PMID 20353689›Full record

ArticleJournal of the American Association for Laboratory Animal Science : JAALAS2010

Lactate and adenosine triphosphate in the extender enhance the cryosurvival of rat epididymal sperm.

Hideaki Yamashiro, Masaaki Toyomizu, Motoi Kikusato, Natsuki Toyama, Satoshi Sugimura, Yumi Hoshino, Hiroyuki Abe, Stefan Moisyadi, Eimei Sato

Abstract read
In one paragraph

Article in Journal of the American Association for Laboratory Animal Science : JAALAS, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

6 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Short-term storage of rat sperm in the presence of various extenders.Journal of the American Association for Laboratory Animal Science : JAALAS · 2013
    Article
  6. Extracellular ATP and dibutyryl cAMP enhance the freezability of rat epididymal sperm.Journal of the American Association for Laboratory Animal Science : JAALAS · 2010
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Hideaki YamashiroLaboratory of Animal Reproduction, Graduate School of Agricultural Science, Tohoku University, Sendai, Japan. hideaki6@hawaii.edu
Masaaki Toyomizu
Motoi Kikusato
Natsuki Toyama
Satoshi Sugimura
Yumi Hoshino
Hiroyuki Abe
Stefan Moisyadi
Eimei Sato

Funding

Transgenic Mouse, ICSI and IVF CoreP20GM103457 · NIGMS · UNIVERSITY OF HAWAII AT MANOA · PI URSCHITZ, JOHANN · 2012 to 2018
$12.9M
NIGMS NIH HHS P20 GM103457
6 · The paper itself

Abstract

We evaluated the cryosurvival of rat epididymal sperm preserved in raffinose-modified Krebs-Ringer bicarbonate-egg yolk extender supplemented with various energy-yielding substrates (glucose, pyruvate, lactate, and ATP) and assessed the effect on sperm oxygen consumption. The incubation of sperm at 37 degrees C for 10 min in lactate-free extender decreased sperm motility and oxygen consumption before and after thawing compared with those of sperm in glucose- and pyruvate-free mediums. We then focused on the effect of supplementing the extender with lactate (0, 10.79, 21.58, 32.37, and 43.16 mM) and found that sperm frozen and thawed in extender supplemented with 32.37 mM lactate exhibited the highest motility. When we supplemented extender containing 32.37 mM lactate with ATP (0, 0.92, 1.85, 3.70, and 5.55 mM), sperm frozen and thawed in the extender supplemented with 1.85 mM ATP exhibited considerably higher motility and viability than those of sperm frozen and thawed in ATP-free extender. These results provide the first evidence that supplementation of the raffinose-modified Krebs-Ringer bicarbonate-egg yolk extender with 32.37 mM lactate and 1.85 mM ATP increases of number of motile sperm before freezing and enhances the cryosurvival of rat sperm. These supplements to the extender may enhance sperm cryosurvival by improving the metabolic capacity of sperm before freezing.

Indexed as

Adenosine TriphosphateAnimalsCell SurvivalCryopreservationCryoprotective AgentsEpididymisGlucoseLactic AcidMaleOxygen ConsumptionPyruvic AcidRatsRats, WistarSemen PreservationSolutionsSpermatozoaAdenosine TriphosphateCryoprotective AgentsGlucoseLactic AcidPyruvic AcidSolutions

Identifiers

PMID20353689
PMCPMC2846002

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.