Search Results - "QAMAR, Ahmad Yar"

Improved viability and fertility of frozen-thawed dog sperm using adipose-derived mesenchymal stem cells by Qamar, Ahmad Yar, Fang, Xun, Kim, Min Jung, Cho, JongKi

“…Cryopreservation procedures negatively affect the quality traits of sperm, causing certain changes at structural and molecular levels due to thermal,…”
Get full text

Semen evaluation: methodological advancements in sperm quality-specific fertility assessment — A review by Tanga, Bereket Molla, Qamar, Ahmad Yar, Raza, Sanan, Bang, Seonggyu, Fang, Xun, Yoon, Kiyoung, Cho, Jongki

“…Assessment of male fertility is based on the evaluation of sperm. Semen evaluation measures various sperm quality parameters as fertility indicators. However,…”
Get full text

Resveratrol supplementation into extender protects against cryodamage in dog post-thaw sperm by BANG, Seonggyu, QAMAR, Ahmad Yar, TANGA, Bereket Molla, FANG, Xun, CHO, Jongki

“…Antioxidants have multiple protective roles in a variety of cells and thus can be used to protect sperm against cryo-damage during freezing, which affects…”
Get full text

Modified Spirulina maxima Pectin Nanoparticles Improve the Developmental Competence of In Vitro Matured Porcine Oocytes by Roy, Pantu-Kumar, Qamar, Ahmad-Yar, Tanga, Bereket-Molla, Bang, Seonggyu, Seong, Gyeonghwan, Fang, Xun, Kim, Ghangyong, Edirisinghe, Shan-Lakmal, De Zoysa, Mahanama, Kang, Do-Hyung, Saadeldin, Islam M., Cho, Jongki

“…Molecular approaches have been used to determine metabolic substrates involved in the early embryonic processes to provide adequate culture conditions. To…”
Get full text

Canine amniotic membrane derived mesenchymal stem cells exosomes addition in canine sperm freezing medium by Mahiddine, Feriel Yasmine, Qamar, Ahmad Yar, Kim, Min Jung

“…Amniotic membrane stem cells are considered as a good alternative to embryonic stem cells, but their use in clinical studies is still not common. Here,…”
Get full text

Effects of kinetin supplementation on the post-thaw motility, viability, and structural integrity of dog sperm by Qamar, Ahmad Yar, Fang, Xun, Bang, Seonggyu, Kim, Min Jung, Cho, Jongki

“…Oxidative stress is one of the major issues associated with cryopreservation because it causes a marked reduction in the post-thaw quality of semen. This study…”
Get full text

Chitosan nanoparticles enhance developmental competence of in vitro‐matured porcine oocytes by Roy, Pantu Kumar, Qamar, Ahmad Yar, Fang, Xun, Kim, Ghangyong, Bang, Seonggyu, De Zoysa, Mahanama, Shin, Sang Tae, Cho, Jongki

“…Oxidative stress is inevitable as it is derived from the handling, culturing, inherent metabolic activities and medium supplementation of embryos. This study…”
Get full text

Improved Post-Thaw Quality of Canine Semen after Treatment with Exosomes from Conditioned Medium of Adipose-Derived Mesenchymal Stem Cells by Qamar, Ahmad Yar, Fang, Xun, Kim, Min Jung, Cho, Jongki

“…Freezing decreases sperm quality, ultimately affecting fertilizing ability. The repair of freeze-damaged sperm is considered crucial for improving post-thaw…”
Get full text

The combination of rolipram and cilostamide improved the developmental competence of cloned porcine embryos by Tanga, Bereket Molla, Fang, Xun, Bang, Seonggyu, Seo, Chaerim, Kang, Heejae, Cha, Dabin, Qamar, Ahmad Yar, Shim, Joohyun, Choi, Kimyung, Saadeldin, Islam M., Lee, Sanghoon, Cho, Jongki

“…In vitro maturation of porcine oocytes is characterized by asynchronous cytoplasmic and nuclear maturation, leading to less competent oocytes supporting embryo…”
Get full text

The effect of astaxanthin supplementation on the post‐thaw quality of dog semen by Qamar, Ahmad Yar, Fang, Xun, Bang, Seonggyu, Shin, Sang Tae, Cho, Jongki

“…Astaxanthin is a member of the carotenoid family well known for its anti‐cancer, anti‐diabetic, anti‐inflammatory and antioxidant nature. This study was…”
Get full text

Myoinositol Supplementation of Freezing Medium Improves the Quality-Related Parameters of Dog Sperm by Qamar, Ahmad Yar, Fang, Xun, Kim, Min Jung, Cho, Jongki

“…Oxidative stress during freeze-thaw procedures results in reduced semen fertility. A decrease in free radical levels can improve the post-thaw sperm quality…”
Get full text

Quercetin improves the apoptotic index and oxidative stress in post-thaw dog sperm by Bang, Seonggyu, Qamar, Ahmad Yar, Tanga, Bereket Molla, Fang, Xun, Seong, Gyeonghwan, Nabeel, Abdelbagi Hamad Talha, Yu, Il-Jeoung, Saadeldin, Islam M., Cho, Jongki

“…Freeze storage of ejaculated sperms is a crucial technique for the semen preservation of valuable pet animals such as dogs. The current study was conducted to…”
Get full text

Improved efficiencies in the generation of multigene-modified pigs by recloning and using sows as the recipient by Cho, Jongki, Kim, Ghangyong, Qamar, Ahmad Yar, Fang, Xun, Roy, Pantu Kumar, Tanga, Bereket Molla, Bang, Seonggyu, Kim, Jong Keun, Galli, Cesare, Perota, Andrea, Kim, Young Tae, Che, Jeong-Hwan, Park, Chung-Gyu

“…This study was performed to improve production efficiency at the level of recipient pig and donor nuclei of transgenic cloned pigs used for…”
Get more information

Embryotrophic effect of exogenous protein contained adipose-derived stem cell extracellular vesicles by Bang, Seonggyu, Qamar, Ahmad Yar, Yun, Sung Ho, Gu, Na-Yeon, Kim, Heyyoung, Han, Ayeong, Kang, Heejae, Park, Hye Sun, Kim, Seung II, Saadeldin, Islam M., Lee, Sanghoon, Cho, Jongki

“…Abstract Background Extracellular vesicles (EVs) regulate cell metabolism and various biological processes by delivering specific proteins and nucleic acids to…”
Get full text

Role of antioxidants in fertility preservation of sperm — A narrative review by Qamar, Ahmad Yar, Naveed, Muhammad Ilyas, Raza, Sanan, Fang, Xun, Roy, Pantu Kumar, Bang, Seonggyu, Tanga, Bereket Molla, Saadeldin, Islam M., Lee, Sanghoon, Cho, Jongki

“…Male fertility is affected by multiple endogenous stressors, including reactive oxygen species (ROS), which greatly deteriorate the fertility. However,…”
Get full text

Extracellular Vesicle Mediated Crosstalk Between the Gametes, Conceptus, and Female Reproductive Tract by Qamar, Ahmad Yar, Mahiddine, Feriel Yasmine, Bang, Seonggyu, Fang, Xun, Shin, Sang Tae, Kim, Min Jung, Cho, Jongki

“…Extracellular vesicles (EVs) mediated intracellular communication plays an imperative role in the proper completion of different physiological events. Most of…”
Get full text

Enhancing Oocyte Competence With Milrinone as a Phosphodiesterase 3A Inhibitor to Improve the Development of Porcine Cloned Embryos by Roy, Pantu Kumar, Qamar, Ahmad Yar, Tanga, Bereket Molla, Fang, Xun, Kim, Ghangyong, Bang, Seonggyu, Cho, Jongki

“…The objective of this study was to investigate the effect of milrinone supplementation as a phosphodiesterase 3A inhibitor during maturation (IVM) to…”
Get full text

Conditioned Medium from Canine Amniotic Membrane-Derived Mesenchymal Stem Cells Improved Dog Sperm Post-Thaw Quality-Related Parameters by Mahiddine, Feriel Yasmine, Kim, Jin Wook, Qamar, Ahmad Yar, Ra, Jeong Chan, Kim, Soo Hyun, Jung, Eun Joong, Kim, Min Jung

“…This study investigated the effects of conditioned medium (CM) from canine amniotic membrane-derived MSCs (cAMSCs) on dog sperm cryopreservation. For this…”
Get full text

Perosomus elumbus fetal monster: a rare cause of dystocia in a beetal goat - a case report from Pakistan by Hassan, Mubbashar, Raza, Sanan, Qamar, Ahmad Yar, Naveed, Muhammad Ilyas, Mateen, Abdul, Noman, Muhammad, Muhammad, Sayed Aun, Shahzad, Abid Hussain

“…Dystocia, a challenging condition in obstetrics, can arise from various causes, including fetal monsters with structural abnormalities. This case report…”
Get full text

Canine amniotic membrane derived mesenchymal stem cells exosomes addition in canine sperm freezing medium by Mahiddine, Feriel Yasmine, Qamar, Ahmad Yar, Kim, Min Jung

“…Amniotic membrane stem cells are considered as a good alternative to embryonic stem cells, but their use in clinical studies is still not common. Here,…”
Get full text