SPACA4 Activators
The molecular intricacies associated with SPACA4, a protein pivotal in the acrosome reaction during fertilization, hinge on a delicate balance of ionic and molecular events. The chemicals classified as SPACA4 activators predominantly aim to modulate this balance, steering cells toward the environment conducive for SPACA4's optimal activity. One consistent theme with these activators is their ability to manipulate intracellular calcium dynamics. Calcium is a central player in the initiation and progression of the acrosome reaction, a process where SPACA4 has been implicated. Progesterone, a steroid hormone, interacts with sperm receptors to elevate intracellular calcium, a trigger for the acrosome reaction. In parallel, compounds like Ionomycin and A23187, both calcium ionophores, facilitate a direct influx of calcium, mimicking the natural cues leading to SPACA4 activation.
The subtle art of ionic manipulation extends beyond calcium. 4-AP, a potassium channel blocker, and Niflumic Acid, a chloride channel, are examples of how tweaking the ionic milieu can set the stage for the acrosome reaction. On a broader spectrum, chemicals like Estradiol bring into play intricate intracellular signaling cascades, influencing the milieu that governs SPACA4's function. Such a multi-pronged approach to influencing SPACA4's activity spectrum underscores the complex interplay of ions, molecules, and signaling pathways in the realm of reproductive biology. From directly targeting calcium dynamics with compounds like BAY K 8644 to the nuanced modulation using NiCl2, these activators collectively paint a comprehensive picture of the routes to modulate SPACA4.
SEE ALSO...
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Progesterone | 57-83-0 | sc-296138A sc-296138 sc-296138B | 1 g 5 g 50 g | $20.00 $52.00 $298.00 | 3 | |
Steroid hormone that plays a role in the acrosome reaction. Progesterone, by interacting with sperm receptors, can elevate intracellular calcium levels. This event is known to drive the acrosome reaction, where SPACA4 functions, leading to potential modulation of SPACA4 activity. | ||||||
Ionomycin | 56092-82-1 | sc-3592 sc-3592A | 1 mg 5 mg | $78.00 $270.00 | 80 | |
Calcium ionophore that can raise intracellular calcium. By boosting calcium concentrations within the sperm cell, Ionomycin facilitates the acrosome reaction, potentially influencing SPACA4's role in this process. | ||||||
4-Aminopyridine | 504-24-5 | sc-202421 sc-202421B sc-202421A | 25 g 1 kg 100 g | $38.00 $1155.00 $122.00 | 3 | |
Potassium channel blocker. By modulating the potassium ion flux in sperm cells, 4-AP can impact the ionic environment, subsequently promoting conditions favorable for the acrosome reaction, indirectly influencing SPACA4. | ||||||
A23187 | 52665-69-7 | sc-3591 sc-3591B sc-3591A sc-3591C | 1 mg 5 mg 10 mg 25 mg | $55.00 $131.00 $203.00 $317.00 | 23 | |
Calcium ionophore. Calcimycin promotes calcium entry into cells. In sperm, an influx of calcium is a pivotal event preceding the acrosome reaction, in which SPACA4 plays an integral role, leading to potential modulation of its activity. | ||||||
Niflumic acid | 4394-00-7 | sc-204820 | 5 g | $32.00 | 3 | |
Cl− channel inhibitor. By affecting chloride channels and altering the ion balance in sperm cells, Niflumic Acid can create an environment conducive to the acrosome reaction, potentially impacting the function of SPACA4. | ||||||
(±)-Bay K 8644 | 71145-03-4 | sc-203324 sc-203324A sc-203324B | 1 mg 5 mg 50 mg | $84.00 $196.00 $817.00 | ||
L-type calcium channel activator. BAY K 8644 enhances calcium entry in cells. Elevated intracellular calcium in sperm is instrumental for the acrosome reaction, potentially modulating SPACA4's activity within this context. | ||||||
Ryanodine | 15662-33-6 | sc-201523 sc-201523A | 1 mg 5 mg | $223.00 $799.00 | 19 | |
Modulator of intracellular calcium-release channels. Ryanodine can promote calcium release from internal stores, contributing to the ionic conditions promoting the acrosome reaction and possibly influencing SPACA4's role therein. | ||||||
β-Estradiol | 50-28-2 | sc-204431 sc-204431A | 500 mg 5 g | $63.00 $182.00 | 8 | |
Steroid hormone. Estradiol can interact with specific receptors on sperm, modulating intracellular signaling cascades, which may subsequently influence the conditions for the acrosome reaction and potentially the function of SPACA4. | ||||||
Nickel(II) chloride | 7718-54-9 | sc-236169 sc-236169A | 100 g 500 g | $68.00 $188.00 | ||
T-type calcium channel blocker. NiCl2 can modulate calcium dynamics in sperm, affecting conditions leading up to the acrosome reaction, which can potentially influence the activity of SPACA4. | ||||||
Capsaicin | 404-86-4 | sc-3577 sc-3577C sc-3577D sc-3577A | 50 mg 250 mg 500 mg 1 g | $96.00 $160.00 $240.00 $405.00 | 26 | |
TRPV1 channel activator. Capsaicin's activation of TRPV1 channels leads to calcium influx. In sperm, such calcium dynamics can promote the acrosome reaction, offering a potential avenue to modulate SPACA4. | ||||||